Military Engineer Services-MES has published Tender For Upgradation Provision Of Air Conditioning And Humidity Control Of Ac At Af Station Utarlai. Submission Date for this Tender is 16-02-2023. Air Conditioner Tenders in utarlai Rajasthan. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 09-Jan-2023 | 1st amendment in critical date in tender document | Date | 20-01-2023 |
| 2 | 12-Jan-2023 | 2nd amendment in critical date in tender document | Date | 26-01-2023 |
| 3 | 16-Jan-2023 | Revised BOQ | BOQ | 26-01-2023 |
| 4 | 16-Jan-2023 | 3rd amendment in tender for additional document | Other | 26-01-2023 |
| 5 | 16-Jan-2023 | 3rd amendment in tender document and NIT | Other | 26-01-2023 |
| 6 | 26-Jan-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 02-02-2023 |
| 7 | 01-Feb-2023 | 4thamendment | Date | 06-02-2023 |
| 8 | 01-Feb-2023 | 4thamendment | Other | 06-02-2023 |
| 9 | 06-Feb-2023 | 5th Amendment | Date | 11-02-2023 |
| 10 | 07-Feb-2023 | 6th Amendment | Other | 11-02-2023 |
| 11 | 11-Feb-2023 | 7th amendment | Date | 16-02-2023 |
| Sl. No. | Item Description |
| 1 | NOTE: Schedule ‘A’ Part Ito XII are under Ser No. 1.00to 12.00 are Prepriced by MES. Bidders shall insert their lumpsum amount in the Green coloured field under Col-6 only. |
| 2 | Lump sum price worked outforBuilding / Structures as listed in Sch `A’ Part I. |
| 3 | Lump sum price worked outfor Excavation & Earthwork as listed in Sch `A’ Part II |
| 4 | Lump sum price worked out for Internal Water Supplyas listed in Sch `A’ Part III |
| 5 | Lump sum price worked out for Internal Electrificationas listed in Sch `A’ Part IV |
| 6 | Lump sum price worked out for Additional Items of B/R and Stagingas listed in Sch `A’ Part V |
| 7 | Lump sum price worked out for Road/Path as listed in Sch `A’ Part VI |
| 8 | Lump sum price worked out for Sewage Disposalas listed in Sch `A’ Part VII |
| 9 | Lump sum price worked out for Area Drainageas listed in Sch `A’ Part VIII |
| 10 | Lump sum price worked out for Security Fencing as listed in Sch `A’ Part IX |
| 11 | Lump sum price worked out for External Water Supplyas listed in Sch `A’ Part X |
| 12 | Lump sum price worked out for External Electrification as listed in Sch `A’ Part XI |
| 13 | Lump sum price worked out for Certain items for Central Air conditioning Plant as listed in Sch `A’ Part XII |
| 14 | SCHEDULE "A" PART - XIII is not prepriced by MES and prepriced rates indicates 0.0 under column 5 signified this fact only. Bidder shall insert their rates in Green filed under Col-6. |
| 15 | ROAD, PATH |
| 16 | Material and labour for 150 mm compacted thickness Granular Sub base (GSB) Gde–V in two layer (75 mm Each) over preparedsub grade, with stone aggregate by using motor grader, spreading, levelling and rolling with vibratory roller of capacity 80-100KN static wt and consolidating to required gradient and camber etc, all as per table 400-1 and 400-2 in MORTH & H specificationcomplete all as specified and directed. |
| 17 | Material and labour for 100 mm thick (compacted thickness) Wet Mix Macadam (WMM)with coarse aggregate of specification grade as per MORTH spread rolled and consolidated to required gradient and camber complete using mechanical paver/grader and tandem vibratory rollerd/earth compactor of capacity exc 8 tonne and not exceeding 15 tonne at OMC to achieve the min 98% density of MOD determined using modified density determination method as per IS Code on prepared subgrade complete all as specified and directed. |
| 18 | M & L for Dry Lean Concrete ( DLC) of Thickness125 mm having compressivestrength 7 Mpa at 07 days ( Para 4.1 IRC:SP:49-2014) for each consective group of 5 cubes individual strength of each cube must not be less than 5.5 MPa at 07 days (Para 4.1 IRC:SP:49-2014) Size of aggregates not excceding 26.5 mm ( Grading and other physical parameters as table 600-1 of MoRTH specificaions for Roads and Bridge works/ table 1 IRC:SP:49-2014) Mixedin batching plant , transported to site and laid by sensor paver including spreading and compacting using double drum smooth wheelled vibratory rollers with 80-100KN static wt including necessary form work, finishing etc complete all asspecified and directed. Transeverse joints, where required will be paid seprately |
| 19 | Supply and laying ( No additional payment for overlap) 400 micron thick HDPE sheet (Virgin Quality) having minimum weight 390 gm/ Sqm over tack coat/sand cushion as specified in design with over lap between adjacent strip as minimum 100 mm and transverse joints at ends as minimum 150 mm etc complete all as specified and directed. |
| 20 | SEWAGE DISPOSAL |
| 21 | Supply and fix hume pipe Septic tank for 5 users designed to carry sewage and sullage water, including necessary excavation in any type of soil, PCC 1:4:8 foundation, vent shaft etc complete all as specified and directed. |
| 22 | Provn of of soak well 1.2m dia and 3 m deepcomplete excavation in any type of soil PCC 1:3:6 wall of honey combed maspnry complete all as shown indrawings in TD drawing No. CEAA/TD/80 Sheet no.1/2 & 2/2, as specified and as directed. |
| 23 | STAGING |
| 24 | S & F Rotational moulded polythylene water storage tank of capacity 3000 litres (Cylindrical vertal with closed top) hoisted and fixed in position including connections, fixtures complete all as specified and directed |
| 25 | INTERNAL ELECTRIFICATION |
| 26 | Supply and Fixing Energy efficient 10 Watts B-22 bore LED Lamp working at 230 volts 50 Hz complete as specified and directed. |
| 27 | Supply and fixing LED light fitting with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver and LED lamp 5700K Rated CCT energy efficientwith lumen efficiency corrosponding to five star BEE rating published for year of installation, pf 0.8, colour rendering index not less than 70%, IP20 complete with all accessories internally pre wired and including connecting up with twin core twisted flexible copper conductor cable with suitable size all as directed . |
| 28 | EXTERNAL ELECTRIFICATION |
| 29 | Supply & install ,testing and commissioning of transformer as per IS : 1180 part - I, EEL-2 stepdown, copper Cu 99.9% purity, electrolytic gradewound 11KV/433 Volts (at no load) AC 3 phase 50 Hz500 KVA capacity, core type,oil immersed naturally air cooled, oil natural air natural (ON/AN) , with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYn-11 with neutral brought out on secondry side (LV) and having taping at +5% to -10% in steps of 2.5% on HV side to be changed by means of hand operated off load tap changer gear.The maximum temperature rise should not exceed 50 degree celsius in oil and 55 degree celsius in HV/LV winding when measured by resistance method after continuous full load run on an ambient temp of 40 degree celsius transformer shall be of BOLTLESS core design. |
| 30 | Transformer shall be double wound, core type with low loss, non ageing, high permeability CRGO primecore grade M-3/ M-OH / ZDKH /TCHgrade, perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS/IEC 60076 and as per IS-1180 part - I of 2014 marked. Flux Density at rated voltage and rated frequency should be 1.688 T the transformer shall be designed as per CBIP manual 317 for over-fluxing witstand capacityof 110% continuous, 125% for 1 minute and 140% for 5 seconds. and over loading capacity of transformer shall be as per IS 6600 , Noise level as per NEMA TR1, with class A insulation, Tank pressure, Vaccum witstand capability & minimum clearances as per CBIP manual, No Load Current within 1% to 2% of Full load current Tranformer losses shall not exceed the loses mentioned in Table 6 ofIS: 1180 of2014 Part - I with Energy Effeciency Level - 2andshall comprise of the following accessories :- |
| 31 | (a)One cable box on HT side (Primary side) consisting of three no. porcelain bushing with copper rods, complete with nuts and washer , with cable glands suitable for reception/taking out 3 core 120 Sq mm, HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty , armoured cables including jointing materials complete. (b)One cable box on LT side(secondary side) consisting of four no. porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception/taking out single core/3.5 core of rated size/ runs of secondary currents, LT 1100 volts grade, PVC/XLPE insulated and PVC sheathed, heavy duty, armoured cables including jointing materials complete. with Bi metallic flexible connectors and copper bus bars of rated capacity with insulators support to be provided. (c) Conservator with filter type drain valve and oil level gauge. (d)De-hydrating breather with first fill of dehydrating agent (Silica Gel). |
| 32 | (e)Explosive vent, Thermometer pocket on tank cover, oil level gauge, Oil drain filter valve, Jacking / Lifting lugs, Marshalling Box, IP 55,with oil filling hole with cap/plug with connection plate complete, Air release valve plug and four no. plain solid cast steel detachable rollers. (f)One no 100 mm dia, dial typethermometer, vapour pressure type, having range 0-120 degree Celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. (g)Two earthing terminals on tank cover to facilitate fixing of 50x6mm galvanised iron earth strip for earthing of body. (h) Rating plate and terminal marking plate. (j)Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (k) First fill of new and unused transformer oil, IS-335 of 1986 marked, filtered and tested up to 50 KV dielectric strength at 2.5 mm air gap between testing electrodes, specific resistance at 27 Degree Celsius Ohm-ohm 500 x 10 the power12, water content 50PPM, Dielectric dissipation factor (tan Delta at 90 degree Celsius) 0.005, Neutralisation value mg of KOH/gm of oil 0.03, Inter facial tension N/M at 27 Degree Celsius - 0.04, flash point 140 Degree Celsius and sludge 0.1 % by weight. |
| 33 | (l)Detachable Rollers of adequate load capacity andno. of channels, embedded in floor, for movement of transformer. (m) Top and Bottom Filter cum drain Valves with Dummy (n) 6" Oil temperature indicator and winding temperature indicator with alarm and Trip contacts (o) Radiators shall be of Detachable type with proper butter fly valves |
| 34 | S & FAutomatic Power Factor Correction (APFC) Panel for 3 Phase, 415 V & 50 Hz system of capacity 250 KVAR with incoming MCCBs 3 pole 315 Amp alongwith the following accessories :- (a) Microprocessor based APFC relay (b) Heavy duty capacitors (c)Thyristor based contactors (d) 250 KVAR (100x1, 50x2, 20x2, 10x1) (e) MCCB 315 A, Microprocessor based (f) Control cable from LT panel to APFC panel alongwith CT. |
| 35 | Supply & install testing and commissioning outdoor typeLT electric panel costituting of double door Kiosk type mounted fabricated out of3.15 mm thick CRCA sheet duly painted powder coated precoated provisioned with following mounted on suitable PCC plateform made of PCC 1:3:6 type C2 with 40 mm graded stone aggregate complete all as specified and as directed by Engr-in-Charge includingBus bar chamber of 3 phase 4 strip415 volts with 1200 Amps aluminium strip 1 set (a) Incommer MCCB 4 P ACB 800 A 50 KA, 4 Pole, HDO, Microprocessor based relay- 01 Nos (b) Outgoing MCCB4 P 630Amp 16 KA with magnetic and thermal releases - 02 Nos (c) Outgoing MCCB4 P 400Amp 16 KA with magnetic and thermal releases - 01 Nos (d) Multifunctional meter= 01 No (e) CT 500/5A - 01 No (f)Indicator lampsR, Y & B with selector switch - 01 set (g) Complete wiring . |
| 36 | Supply & install testing and commissioning outdoor typeLT electric panel costituting of double door Kiosk type mounted fabricated out of3.15 mm thick CRCA sheet duly painted powder coated precoated provisioned with following mounted on suitable PCC plateform made of PCC 1:3:6 type C2 with 40 mm graded stone aggregate complete all as specified and as directed by Engr-in-Charge includingBus bar chamber of 3 phase 4 strip415 volts with 1000 Amps aluminium strip 1 set (a) Incommer MCCB 4 P 630Amp 25 KA with with magnetic and thermal releases - 01 Nos (b) Outgoing MCCB4 P 400Amp 16 KA with magnetic and thermal releases - 02 Nos (c) Outgoing MCCB4 P 200Amp 16 KA with magnetic and thermal releases - 01 Nos (c) Outgoing MCB SPN 32A C Curve 10 KA- 02 Nos (d) Multifunctional meter= 01 No (e) CT 500/5A - 01 No (f)Indicator lampsR, Y & B with selector switch - 01 set (g) Complete wiring |
| 37 | Supply & install testing and commissioning outdoorLT electric panel costituting of double door Kiosk type mounted fabricated out of3.15 mm thick CRCA sheet duly painted powder coated precoated provisioned with following mounted on suitable PCC plateform made of PCC 1:3:6 type C2 with 40 mm graded stone aggregate complete all as specified and as directed by Engr-in-Charge includingBus bar chamber of 3 phase 4 strip415 volts with 250 Amps aluminium strip 1 set (a) Incommer MCCB 4 P 160Amp 16 KA with with magnetic and thermal releases -01 Nos (b) Outgoing MCCBMCCB 4 P 125Amp 16 KA with magnetic and thermal releases -02 Nos (c) MCB DP 32A 10 KA, C curve - 02 No (d) Multifunctional meter= 01 No (e) CT 500/5A - 01 No (f)Indicator lampsR,Y & B with selector switch - 01 set (g) Complete wiring |
| 38 | Supply & install testing and commissioning outdoorLT electric panel costituting of double door Kiosk type mounted fabricated out of3.15 mm thick CRCA sheet duly painted powder coated precoated provisioned with following mounted on suitable PCC plateform made of PCC 1:3:6 type C2 with 40 mm graded stone aggregate complete all as specified and as directed by Engr-in-Charge includingBus bar chamber of 3 phase 4 strip415 volts with 250 Amps aluminium strip 1 set (a) Incommer MCCB 4 P 160Amp 16 KA with with magnetic and thermal releases -01 Nos (b) Outgoing MCCBMCCB 4 P 125Amp 16 KA with magnetic and thermal releases -02 Nos (c) MCB DP 32A 10 KA, C curve - 02 No (d) Multifunctional meter= 01 No (e) CT 500/5A - 01 No (f)Indicator lampsR,Y & B with selector switch - 01 set (g) Complete wiring . |
| 39 | Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure. |
| 40 | Supply only LT / HT cable route indicator cast iron of suitable size mounted on 40 x 40 x 3 mm angle iron with height of 1.5 metre along with LT cable trench including planting in ground with PCC complete all as specified and directed.by Engr-in-Charge. |
| 41 | Excavation of already laid XLPE cable 185 sqmm 3.5 core approx 80 RM without damaging to cable and further laying 50 RM towards NB-4 AC plant Room. Note : During excavation cable damaged by contractor then complete cable will be provided by the contractor as new at no extra cost |
| 42 | M&L for sand cushioning for underground cable using fine sand 8cm before laying cable and 15cm after laying and punned to 180mm after laying of cable complete all as specified. (Note: Punned thickness shall be considered for payment purpose) |
| 43 | STAND BY POWER SUPPLY DG SET |
| 44 | Supply, Installalation and testing of water cooled Diesel Engine driven Prime duty Generating Set of capacity after all derating factors net of not less than500 KVA/ 400 KWe ,50Hz 415 volt 3 phase, 4 wire,0.8 lagg, 280bhp minimum Required Power for Rated kVA (bhp) along with AMF system with Acoustic Enclosure as per CPCB Norms, exhaust silencer-Hospital Grade in line , with emission control device alongwith accessories, supporting brackets as per Central Pollution Control norms/national green tribunal |
| 45 | A) Engine ?comprising of the following: Rugged engine natural liquid cooled (EG Compleat 50:50) with radiator as secondary media withworld class OEM such as Cummins/Perkins/Kohler/Greaves/Ashok Leyland Engines for powered diesel generator set Advanced in-cylinder technology turbo charged , air cooled aspriatedto meet latest emission norms without any after-treatment device.? Class defining technology engine is designed to meet stringent exhaust emission tests as per revised MoEF norms, thus offering environment friendly powe Compact in size with optimum power to weight ratio, 6 cylinder, In-line 4 stroke, radiator cooled engine Well designed air handling system with Dry type, heavy duty, replaceable paper element aircleaner with restriction indicator, Air to air aftercooling,Optimised turbocharger for increased altitudecapabilities, Best in class fuel economy with Inline fuel pump with A1 class mechanical governing, Spin on fuel filter, Standard integral set-mounted radiator system, designedand tested for 50°C ambient temperature,Full flow spin on lube oil filte,First fill of lube oil and coolant, Electrical starter motor with soft start engagement feature, Battery charging alternator,1 x 12 V DC battery/Alternator |
| 46 | b) AlternatorPMG type comprising of the following: Stamford UC/jyothi/cromptonalternator frames from Cummins Generator Technologiesb?Brushless type, Screen protected, Revolving field, Self excited alternator conforming to IS/IEC 60034-1?3 Phase reconnectable winding with 12 terminals brought out for connection Dedicated winding specially designed for 1 phase / 3 pahse operation ?Better motor starting capability? Best in class efficiency ??Compact design with sealed bearings for longer life andlesser maintenance Impregnation on all wound components for better mechanical strength, alternator of IP 23, Voltage regulation (Max.)±1%,Class of Insulation H Class, Winding Pitch 2/3,Stator Winding Double layer lap Rotor Dynamically Balanced,Waveform distortion/ Total Harmonic Distortion No load < 1.5 %, Non distorting balanced linear load < 5 %,Maximum Unbalanced Load across phases# less than or equal to 25%, Telephonic Harmonic factor < 2% alternator capcity out put shall not be less than200 KVA /180KWe ,50Hz 415 volt 3 phase, 4 wire,0.8 lagg. 313Amp / phase |
| 47 | Control Panelcomprising of the following: c) AMF / Control panel is manufactured with 14/16 gauge CRCA sheet and is powder coated for weather-proof and long lasting finish.The control panel consists of the following parts of makes as per OEM recomendation: microprocessor based generator set monitoring and control system. AMF Functionality is inbuilt and this control includes an intuitive operator interface that allows for complete generator set control as well as system metering, fault annunciation, configuration, and diagnostics, Copper bus bars with suitable capacity with incoming/outgoing terminals, ??Indicating lamps for ‘Load ON’ and ‘Set Running’,Instrument fuses / MCBs duly wired and ferruled, Air Circuit breakers 02 Nos EDO of suitable rating with overload and shortcircuit protections. Copperbusbars, cables and protective acessories with load / bypass arrangements |
| 48 | ?Hospital grade silencersilencer suitably optimized to meet stringentnoise emission standards laid down by MoEF / CPCBalong with MS supporting structures .along with thermal Insulation on horizontal pipe with Mineral Wool/ Asbestos Rope50mm Thick wire mesh and 26 gaugealuminium cladding (12"). |
| 49 | d) Controller should be compatable to the following specifications: (i) AMF Functionality controllers of Makes from the OEM : Deep Sea/ Cummins/ Wood Ward/ Com Amp ??(II)Intuitive operator interface which includes LED backlitdisplay with tactile feel soft-switches.Indications - Generator set, Utility Status Lamp. (iii)Remote start-stop?? with Engine Metering: Oil pressure, Engine temperature, Startingbattery voltage, Engine running hours(iv)AC Alternator Metering: L-L Voltage and L-N Voltage,Current (phase and total), kVA (phase and total) andFrequency. kwh, Total & per phase (kw & kVA), PF, UtilityVoltage and Freq.??(v)Engine Protection: Low lube oil pressure, High/Low coolanttemperature, Battery Over/Under/Weak Volts, Fail to Crank/Start, Sensor failure, Cranking lockout, Low fuel level.??(vi)AC Alternator Protection: Over/Under Voltage, Over/UnderFrequency, Loss of AC sensing. Overspeed, Over Current.(vii)Data Logging: Engine hours, Control hours and upto 5 recent fault codes ??(viii)Configurable glow plug control, Cycle Cranking?(ix)12/24 Volt DC operation,Sleep mode,Modbus interface (RS485 RTU),InPower compatible (PC based service tool),Certifications - meets the requirement of relevant ISO, EN,Mil Std. and CE standards(e)Maintenance due alarm based on Engine Run Time and duedate,Exercisor scheduler(f) Remote HMI, Digital electronic governor with temperture compensation and smooth starting, digital AVR for shunt of PMG excitor with Torque monitoring, Digital electronic governor with temperture compensation and smooth starting, digital AVR for shunt of PMG excitor with Torque monitoring |
| 50 | (e) All pipe line connections, valves etc.required for the lube oils, fuel and cooling system (f) Battery & Battery charger of rated capacity as per the alternator/ Engine compatability (g)Mounting Arrangement shall be of the following: ?(i) Engine and alternator are mounted on a common MSfabricated base frame with AVM pads. (ii) Base frame with integral fuel tank is provided with drainplug, air vent, inlet and outlet connection, level indicator andprovision for cleaning (h) Fuel Tank of capacity 12 hrs running capacity along with Fuel pipe MS c class 25mm ID with bends , flanges , valves, tees and bends. (I) Residnetial type silencer with MS pipe as designed by the OEM horizontal Exhaust pipe complete with bends and flanges of adeeaquate length not less than 10 Mtr.along with thermal Insulation on horizontal pipe with Mineral Wool/ Asbestos Rope50mm Thick wire mesh and 26 gaugealuminium cladding (12") |
| 51 | (j) Controll / service cables shall be of 4cx 2.5 sqmm, 24 c x 2.5 sqmm , 2 c x 2.5 sqmm, and 8c x 0.75 sqmm shieldedcontrol cables ,pvc insulated copper armoured, controll panel for auxilaries with starters for pumps,heaters etc (k) RCC foundation with necessary earth work ,PCC 1:4:8 type D-2 (40mm graded stone aggregate) as in foundation, filling and mass concrete / RCC M-30(20 mm graded aggregate) as in foundations, Plinth beam along with necessary form work / TMT bars of 10mm dia and over cut to length bend to shape required including cranking, bending, spirally for hooping for columns, hooking ends and bidning with and including MS wire (annealed) not less than 0.9mm dia securing with clips / 10 mm thick plastering on fair faces of brick work or concrete surface in CM (1:6),even and smooth without using extra cement / Sand filling in layers around the foundation including watering and consolidation as per OEM dimensions |
| 52 | (l) Acoustic Enclosure shall comprise of the following (i)?Specially designed to meet stringent MoEF/ CPCB norms of75 dBA @ 1mtr at 75% load under free field conditions ??(ii)The Acoustic Enclosure as per CPCB Norms is made of CRCA sheets in Munselgreen shade and a structural/ sheet metal base frame painted in black. or any other standard colour as specified by the OEM ??(iii)High quality noise absorbant and fire-retardant gradeacoustic insulation material (P.U. Foam) complying to IS8183 designed to have optimum serviceability ??(iv)Air inlet louvers specially designed to operate at rated load,? Made on special purpose CNC machines for consistency inquality and workmanship ??(v)11 tank pretreatment process and UV resistant powdercoating of all parts to withstand extreme environment, Use of special hardware for longer life,?? Flush styling - no projections,?? Fluid drains for lube oil and fuel,?Fuel filling arrangement inside the enclosure |
| 53 | Note for Item No. 01 (i) Rate quoted shall include the necessary T&P , RCC foundation , structural works required to support the acessoriess of Dg set such asAMF panels, controll cables, Radiators / cooling tower, Exhaust mufflers and water circualtion system / cooling System (ii) rate quoted includes the cost of All fuel ( high speed diesel) , lubes and collant required to carry out the no load and full load test of not less than 24 hrs as diercted by the accepting officer (iii) Rate quoted includes the cost of B check for the DG setsuch as replacement of lube oil, oil/ fuel filters /belts, O rings consumeables after the test run of the DG set during the warrenty period frist 250 hrs/ 1 st year which ever is earlier after the date of commissioning |
| 54 | Shifting and installation of existing DG Set of capacity 225 KVA and its AMF panel from WSA to BDP-2 AC plant location including connecting its cables and control wiring complete all as specified and directed by Engr-in-Charge. Note : Necessary foundation and earth work shall be paid seperately in the B/R Items only. |
| 55 | CENTRAL AIRCONDITIONING SYSTEM |
| 56 | Building DB 3 |
| 57 | TREATED FRESH AIR(TFAU)UNIT |
| 58 | Supply, installation, testing and commissioning of 5250 ft3/min @ 550 Pa (42 TR) floor mounted double skin treated fresh air unit (TFAU) having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes, 0.8 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 45±2 mm thick double skin panel with pressure injected CFC/HCFC free PUF having "k" value = 0.035 W/°C/m & density = 40 kg/m³, Washable type of "EU4" filter (pre-filter, efficiency 90% down to 10 micron) and "EU7" filters (Micro Vee filters, efficiency 99% down to 3 micron) mounted on a common frame, 8 rows deep chilled-water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm², with SS sandwiched drain tray, etc., dynamically balanced DIDW backward curved fan along with IE3 motor complete with necessary chilled water piping, valves, etc. complete all as specified and directed |
| 59 | Notes:- [i] Necessary civil work viz. foundation / padestal for placement of TFAU and accessories shall be covered in the scope of work. |
| 60 | Supply, installation, testing & balancing and commissioning offactory fabricated galvanized steel sheet metal ducting(G.S.S.) round / rectangular low pressure ducting of following sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to IS 655: 2006 & the latest edition of HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by engineer-in-charge. NOTES: [i] The connection of ducts shall be carried out by angle flange technique. [ii] The quoted shall be inclusive of hangers & supports, etc. |
| 61 | 22 G (MS angle flange) |
| 62 | 24 G (MS angle flange) |
| 63 | THERMAL INSULATION |
| 64 | S & F black flexible closed-cell 19 mm thick elastomeric thermal insulation, made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. |
| 65 | MS ERW CLASS- C CHILLED WATER PIPING |
| 66 | M & L for chilled MS EWR Class C water piping of 80 mm NB including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. |
| 67 | NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239-1: 2004 & IS 1239-2: 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately. [v] All necessary fittings and other accessories shall be deemed included in the quoted rate. |
| 68 | PIPE INSULATION |
| 69 | S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation of 80 mm NB pipe (in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. |
| 70 | Y-STRAINER |
| 71 | Supply, installation, testing and commissioning of 80 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 72 | MANUAL BALANCING VALVE |
| 73 | Supply, installation, testing and commissioning of 80 mm NB precise balancing, double regulation type brass balancing valve having brass body, brass steam, copper alloy trim, 2.4 MPa body test pressure & 1.6 MPa maximum working pressure and standard screwed female thread ends duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 74 | TEMPERATURE GAUGE |
| 75 | S & F of 6" dual scale (°F / °C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C with necessary accessories all complete as specified and directed by the engineer-in-charge. Make: General, WIKA, TSI |
| 76 | PRESSURE GAUGE |
| 77 | S & F of 4" bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar with necessary accessories all complete as specified and directed by the engineer-in-charge. Make: General, WIKA, TSI |
| 78 | REPLACEMENT OF CHILLED WATER COIL |
| 79 | Dismantling of cooling coil of existing AHU, including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge. |
| 80 | M & L for 8 rows deep chilled-water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm², with SS sandwiched drain tray, etc., condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness complete all as specified and directed by the engineer-in-charge. |
| 81 | HOT CIRCULATION PUMP (1W+ 1S) |
| 82 | Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump, capable of 2.6 LPS discharge at 8 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (KDS0510), Wilo, Crompton Greaves NOTES : [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. |
| 83 | EXPANSION TANK |
| 84 | S & F SS- 304 closed expansion tank of 100 litre capacity with pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, conforming to IS: 2825- 1969 for "non-fired pressure vessels" complete with inter-connection piping, non-return valve, safety relief valve and pressure gauge, insulated with 50 mm thick elastomeric insulation and cladded with 26 gauge aluminium complete with accessories as specified and directed by the engineer-in-charge. Make: Anergy, Emerald or Xylem |
| 85 | MS ERW CLASS-C PIPE HOT WATER PIPING M & L for hot water piping with MS ERW CLASS-C PIPE including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya for pipes & Armacell, K-Flex, Aeroflex for insulation |
| 86 | 50 mm NB |
| 87 | 40 mm NB |
| 88 | 20 mm NB |
| 89 | NOTES : [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately. |
| 90 | S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation (in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories to following NB pipe complete all as specified and directed . Make: Armaflex, Vidoflex, Kaimenflex |
| 91 | 50 mm NB |
| 92 | 40 mm NB |
| 93 | 20 mm NB |
| 94 | Y-STRAINER |
| 95 | Supply, installation, testing and commissioning of following size Y- strainer cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 96 | 50 mm NB |
| 97 | 40 mm NB |
| 98 | BUTTERFLY VALVE |
| 99 | Supply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve of following NB having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 100 | 40 mm NB |
| 101 | NON-RETURN VALVE Supply, installation, testing and commissioning of Non return valve 50 mm NB vertical type two piece design vertical lift check valve, having bronze IBR 282 Gr.B body, renewable seat & disc, SS AISI-410 trim, 35 Kg/cm2 body test pressure & 17 Kg/cm2 seat test pressure and standard screw female BSP taper threads end conforming to BS 21 duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. |
| 102 | 3-WAY DIVERTING GLOBE VALVE |
| 103 | Supply, installation, testing and commissioning of 40 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider |
| 104 | The valve and actuator shall conform to the following technical specifications: (1)Valve : (i) Body, Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem : SS630 (iv) Valve Seat : SS304 (v)Stem Seat : : PTFE & FFKM (vi) Flow Media : Chilled Water (vii) Rangeability : 100:1 (viii)Leakaage Rate : Max. 0.02% on all path (2)Actuator : (i) NominalVoltage : AC/ DC 24 V (ii) Nominal Frequency : 50 Hz (iii)Power Consumption in Operation : 2W (iv) Power Consumption in Rest Position : 1.5 W (v) Actuating Force Motor : 1.5 KN (vi) Operating Range : Y : 0.5...10 V (vii) Input Impedance : 100kQ (viii) Position Accuracy : +5% NOTES : [i] The3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with3-way diverting globe valve shall not be less than the pump head. |
| 105 | S & F of PN 25 rated 20 mm NB forged brassball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 106 | DRAIN & INSTRUMENTATION PIPING |
| 107 | M & L for mild steel electric resistance welding class-C 15 mm NBdrain water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. |
| 108 | BALL VALVE |
| 109 | S & F of PN 25 rated 15 mm NB forged brassball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 110 | AUTO AIR-VENT |
| 111 | Supply, installation, testing and commissioning of automatic air-vent valve with 20 mm end connections, brass body and cover, plastic float, brass cap etc. suitable for maximum operating pressure of 16 bar and maximum operating temperature 100 °C respectively, installed on all high points in the water piping system to automatically remove the trapped air complete all as specified and directed. Make: Advance, Sant, Hindustan |
| 112 | PAN-TYPE HUMIDIFIER |
| 113 | Supply, installation, testing and commissioning of PAN-type humidifier, suitable for 125 LPH evaporation rate, having SS-304 sheet welded construction with unitized stainless steel reservoir divided into two chambers from inside having 25 mm thick fiberglass insulation cladded with aluminium foil, snap-acting humidistat, support legs for free-standing or wall hanging brackets for wall-mounting, factory mounted & wired humidifier control cabinet, steam outlet nozzle, water make-up, drain, over-flow, quick fill connections, immersion heaters made of copper or stainless steel, terminal blocks suitable for field power and control wiring and safety thermostat complete all as specified and directed by the engineer-in-charge. Make: Rapid cool, Cellcraft or sigma airtech |
| 114 | HOT WATER GENERATOR |
| 115 | Supply, installation, testing and commissioning of SS 304 shell type vertical electric hot water generator suitable for 200000 kCal/hr heat output at 122º F (50º C) temperature, tested for 350 psig pressure, having resin insulation bonded with fiber glasswool along with aluminium cladding, thermostat for individual step, digital thermometer for inlet & outlet pipes, pressure gauge with ball valve for inlet & outlet pipes, SCR based stepless linear controller, float switch, audio/visual alarm for low water level, audio/visual alarm for high temperature, pressure relief valve, door switch, safety thermostat, etc. including suitable pump complete all as specified and directed by the engineer-in-charge. Make :Bechtel, SAZ Boilers, HEAT-Max |
| 116 | S & F of wall mounted digital temperature cum %RH controller (Digital Thermo Hygrometer) complete with large LCD, English display having operating voltage 24±10% V AC, 50 Hz frequency, = 8 VA power consumption,0.5 ºC temperature display resolution, 0.1% relative humidity display resolution, IP20 protection, etc. including battery and control wiring in PVC conduit from return air duct to AC Plant Room complete as specified and directed by engineer-in-charge. Make: Honeywell, HTC, General Or Make As Per Zonal Specification |
| 117 | M & L for low smoke zero halogen (LS0H) fire survival control cable of size 2 core, 2.5 mm² (for instrumentation)with circuit integrity, conforming to BS 7846 and rated for 600 V, having plain annealed stranded copper conductor with fire-resistant mica tapes covered by an extruded layer of cross-linked polyethylene, extruded layer of thermoplastic low smoke zero halogen (LS0H) compound, single layr of galvanized steel wires and thermoplastic LS0H compound sheath, suitable for operating temperature range -40 °C to +90 °C and minimum bending radius being 12 times the overall cable diameter, including laying, clamping, termination and ferruling complete all as specified and directed by the engineer-in-charge. Make: Havells, Polycab, Finolex, RR Kabel |
| 118 | SYSTEM CONTROLING, MONITORING & ACCESSORIES |
| 119 | Supply, installation, testing and commissioning of wall mounted panel with PLC, temperature & RH sensor with Data logger inlcuding control wiring, contactor and required accessories, etc. to control TFAU, PAN Type humidifier and hot water generator for a particular air-conditioned space complete all as specified and directed by the engineer-in-charge. The Control Panel shall be capable of the following: [i] Automatic switching on / off of hot water generator based on feedback from thermostat and/or humidistat [ii] Manual switching on / off of TFAU [iii] Providing electric power to the actuator of fire damper [iv] Integration and sequential operation of TFAU, PAN type humidifier, hot water generator, temperature and RH sensor, etc. as per requirement |
| 120 | HVAC PANEL |
| 121 | Supply, installation, testing and commissioning of factory made, CPRI / ERDA type tested, fully compartmentalized bolted type HVAC Panel of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for outdoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 3.15 mm thick mild steel CRCA sheet, having both sides openable with hinged doors and locking arrangement, IP 43 & IK 10 protection, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labelling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel vitreous enamelled (white) with letters, figures and conventional skull and bones in signal red colour suitable for 3-Phase, 4-Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length and size, including fixing lugs, bolts, screws, etc. complete all as specified and directed by the engineer-in-charge. Make: Schneider, ABB, Siemens, L & T |
| 122 | The HVAC Panel shall comprise of the following: Busbar Chamber: [i] 01 Set (3L + N) of copper busbar of rated capacity 800 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection Incoming : [i] 630 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [ii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 01 Nos. [iii] LED phase indicators (Red, Yellow, Blue)- 01 Set Outgoing: [i] 500 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [for HWG] [iii] 32 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 05 Nos. [for TFAU, HWP, PAN-type humidifier] |
| 123 | [iv] Fully automatic DOL starter, suitable for chilled water circulation pumps, condenser water pumps & hot water pumps motor complete with contactors, push button, LED type indicators, auto/manual selector switch, overload protection, current sensing type single phase preventer complete with all accessories and wiring etc- 03 Nos. [for TFAU, HWP] [vi] LED phase indicators (Red, Yellow, Blue)- 06 Set [vii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 06 Nos. NOTES : [i] The Panel shall be purchased from the original equipment manufacturer (OEM) or their authorised channel partner only. |
| 124 | M & L for Back Draft Damper having 1.2 mm galvanised mild steel casing confirming to BS EN 10346 DX51 D+Z 275, injection moulded nylon 66 blade bushes, extruded aluminium blade of 1.2 mm thickness confirming to BS EN 755-9, 50% glass filled nylone black blade splindle, nylon brush edge seal, water based protective paint, 0 ºC to 70 ºC temparature range, having 1 m/s to 14 m/s velocity and other necessary accessories complete all as specified and directed by engineer-in-charge. |
| 125 | M & L for 1.1 kV 3 core, 2.5 mm² grade copper conductor, XLPE insulated armoured cable conforming to IS 7098 (Part 1): 1988, having stranded coppercompact shaped conductors as per Cl. 2 of IS 8130: 1984, PVC inner sheath, single armoring of galvanised steel strip/wire and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete all as specified and directed by engineer-in-charge.(for Hot water circulation pumps, PAN type Humidifier) Make: RR Kabel, Polycab, Havells |
| 126 | AC PLANT ROOM BUILDING NB-4 |
| 127 | WATER-COOLED SCROLL TYPE CHILLER UNIT (2W + 1S) Supply, installation, testing and commissioning of AHRI certified, factory designed, pre-fabricated and floor-mounted twin scroll type water cooled chiller machine of at least 11 TR nominal capacity at site conditions complete with semi-hermetic scroll compressors having independent refrigerant circuits & automatic stepless capacity control, water-cooled S/T type condenser, ASME stamped S/T horizontal flooded type evaporator with carbon steel shell and seamless copper tubes with elastomeric insulation, suitable numbers of squirrel cage induction motor of suitable rating with class "B" insulation, along with necessary drive arrangement, lubrication system as per manufacturer"s design required for smooth and trouble-free operation of the chiller package,common base frame, interconnected copper refrigerant piping along with elastomeric insulation, fittings, valves, expansion valves and accessories to interconnect compressor, condenser, chiller and expansion valve, microprocessor based control panel comprising of controls including sensors and equipped with a keyboard, LCD touchscreen access input system, protection and monitoring devices to perform control functions , wiring, vibration isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser and ozone friendly, CFC-free refrigerant all complete as specified and directed by the engineer-in-charge. Make: Blue Star, Daikin, Voltas |
| 128 | The chiller shall conform to the following requirements / specifications: [i] Chilled water inlet/outlet temperature: 12/7 °C [ii] Evaporator fouling factor: 0.00010 °Fft²hr/Btu [iii] Evaporator side pressure drop: 3 m of H2O (maximum) [iv] Condenser water inlet/outlet temperature: 32/36 °C [v] Condenser fouling factor: 0.00025 °Fft²hr/Btu [vi] Condenser side pressure drop: 6 m of H2O (maximum) [vii] Minimum COP @ 100% load: 4.7 at AHRI condition [viii] Minimum IPLV @ 100% load: 5.8 at design condition [ix] Refrigerant (Ozone friendly type): R407C / R134a [x] Test standard: ARI 550 / 590 NOTES : [i] The quoted rate shall be inclusive of drive arrangement, victaulic coupling and system integrator capable of giving industry standard (Modbus/BACnet) output to BMS for critical paramete[ii] Mapping shall be required for all critical points displayed on the chiller control panel. The chiller shall be BMS compatible and shall have RS485 / RS232 serial communication protocol. [iii] The motor shall be suitable for 3- Phase, 415 V ± 10%, 50 Hz AC electric supply and the microprocessor based control panel shall have an IP 54 rating. [iv] Initial / first charge of refrigerant gas & compressor shall be deemed included in the quoted rate. [iv] Necessary civil work viz. foundation for placement of chillers, etc. shall be deemed included in the scope of work. |
| 129 | CHILLED WATER CIRCULATION PUMP (1W + 1S) Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump, capable of 3.6 LPS discharge at 12 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (GMC-123+), Crompton Greaves, Wilo NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. |
| 130 | HOT WATER CIRCULATION PUMP (1W + 1S) Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump, capable of 2.6 LPS discharge at 8 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (KDS0510), Crompton Greaves, Wilo NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. |
| 131 | FRP INDUCED DRAUGHT COOLING TOWER(1W + 1S) Supply, installation, testing and commissioning of FRP rectangular shape, vertical, induced draught counter flow cooling tower of 30 TR size with uniform water distribution and optimal heat transfer, having tough fiberglass reinforced plastic (FRP) casing of sufficient structural strength to withstand vibrations and wind velocity up to 60 m/s, FRP basin, rigid honeycomb type PVC fill of suitable thickness, SS sprinklers and non-clogging sprinkler pipes, FRP drift eliminator, energy efficient induced draught axial type fans with factory set and dynamically balanced blades pitch, TEFC squirrel cage induction motor,conforming to IS 12615: 2018, suitable for operation on 3- Ph, 415 V, 50 Hz AC supply with IP 65 protection for enclosure, inlet, outlet, drain and over-flow nozzle connections, etc. complete with accessories as specified and directed by the engineer-in-charge. Make: Delta, Advance, National, Paharpur NOTES: [i] Necessary civil work viz. foundation, supporting structure, etc. for placement of cooling tower shall be deemed included in the scope of work. |
| 132 | CONDENSER WATER PUMP (1W + 1S) |
| 133 | Supply, installation, testing and commissioning of monobloc, self-priming, single-stage centrifugal pump, capable of 5.1 LPS discharge at 14.0 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018 and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting complete all as specified and directed by engineer-in-charge. Make: Kirloskar (GMC-1.522++), Wilo, Crompton Greaves NOTES : [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. |
| 134 | S & F SS- 304 closed expansion tank of 100 litre capacity with pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, conforming to IS: 2825- 1969 for "non-fired pressure vessels" complete with inter-connection piping, non-return valve, safety relief valve and pressure gauge, insulated with 50 mm thick elastomeric insulation and cladded with 26 gauge aluminium complete with accessories as specified and directed by the engineer-in-charge. Make: Anergy, Emerald or Xylem |
| 135 | HDPE MAKE-UP WATER TANK FOR COOLING TOWER S & F multi-layered HDPE make-up water tank of 5,000 litre capacity made up of 100% virgin material, having 100% UV stabilized white outer layer, threaded lid, extra insert lid for protection against algae formationcomplete with inter-connection piping and non-return valve etc. complete all as specified and directed. Make: Sintex, National Plastic, Aquatech |
| 136 | HVAC PANEL Supply, installation, testing and commissioning of factory made, CPRI / ERDA type tested, fully compartmentalized bolted type HVAC Panel of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for outdoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 3.15 mm thick mild steel CRCA sheet, having both sides openable with hinged doors and locking arrangement, IP 43 & IK 10 protection, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labelling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel vitreous enamelled (white) with letters, figures and conventional skull and bones in signal red colour suitable for 3-Phase, 4-Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length and size, including fixing lugs, bolts, screws, etc. complete all as specified and directed by the engineer-in-charge. Make: Schneider, ABB, Siemens, L & T |
| 137 | Incoming: [i] 200 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [ii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 01 Nos. [iii] LED phase indicators (Red, Yellow, Blue)- 01 Set |
| 138 | Outgoing: [i] 160 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [for HWG] [ii] 40 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 03 Nos. [for chiller] [iii] 32 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 09 Nos. [for AHU, CT, CHWP, CDWP, HWP, PAN-type humidifier] [iv] Fully automatic DOL starter, suitable for chilled water circulation pumps, condenser water pumps & hot water pumps motor complete with contactors, push button, LED type indicators, auto/manual selector switch, overload protection, current sensing type single phase preventer complete with all accessories and wiring etc- 07 Nos. (for CHWP, CDWP, HWP & CT) [v] 32 A, 230 V, 50 Hz, SPN MCB (C- curve)- 01 Nos. [for AC Plant Room] [vi] LED phase indicators (Red, Yellow, Blue)- 13 Set [vii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 13 Nos. |
| 139 | NOTES [i] The Panel shall be purchased from the original equipment manufacturer (OEM) or their authorised channel partner only. [ii] The Panel shall be equipped with necessary automation hardware for sequencial switching on / off of HVAC equipment in the event of shutdown / start up of the AC Plant or preventive shutdown of rest of the equipment in the event of malfunction of a particular equipment. The sequence of operation shall be: CT > CDWP > Chiller > CHWP > AHU |
| 140 | M & L for 1.1 kV grade copper conductor, XLPE insulated armoured cable conforming to IS 7098 (Part 1): 1988, having stranded coppercompact shaped conductors as per Cl. 2 of IS 8130: 1984, PVC inner sheath, single armoring of galvanised steel strip/wire and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete all as specified and directed by engineer-in-charge. |
| 141 | 4 core, 2.5 mm² (for Chilled Water Circulation Pumps, Condenser Water Pump, Cooling Tower, Hot water circulation pumps, Humidifier) |
| 142 | 4 core, 6 mm² (for Chillers) |
| 143 | CONDENSER WATER PIPING |
| 144 | Supply, laying / fixing, testing and commissioning of MS ERW class C pipe of following NB forcondenser water piping including necessary fittings viz. bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories complete all as specified and directed by engineer-in-charge. |
| 145 | 80mm NB |
| 146 | 50mm NB |
| 147 | 40mm NB |
| 148 | Y- STRAINER Supply, installation, testing and commissioning of 80 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 149 | BUTTERFLY VALVE Supply, installation, testing and commissioning of 40 mm NB butterfly valve wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 150 | NON-RETURN VALVE Supply, installation, testing and commissioning of 80 mm NB straight pattern PN 1.6 rated stop cum non return valve (NRV), designed & tested as per BS 5152, having Gr. FG-200 CI body, bonet, valve disc, gland & handwheel confirming to IS:210, AISI- 410 stainless steel stem, 26 Kg/cm2 body test pressure & 16 Kg/cm2 seat test pressure and standard flange end conforming to DIN 2533 RF with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 151 | CHILLED WATER PIPING M & L for MS ERW CLASS- C PIPE as in chilled water piping of following NBincluding necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately. |
| 152 | 65 mm NB |
| 153 | 40 mm NB |
| 154 | 20 mm NB |
| 155 | S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation (in tubular form)to following NB pipe,insulation made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make:Armacell, K Flex, Kaimann Flex, Vidoflex |
| 156 | 65 mm NB |
| 157 | 40 mm NB |
| 158 | 20 mm NB |
| 159 | Y- STRAINER Supply, installation, testing and commissioning of 65 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 160 | BUTTERFLY VALVE Supply, installation, testing and commissioning of 40 mm NB butterfly valve wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 161 | Supply, installation, testing and commissioning of NON-RETURN VALVE 65 mm NB straight pattern PN 1.6 rated stop cum non return valve (NRV), designed & tested as per BS 5152, having Gr. FG-200 CI body, bonet, valve disc, gland & handwheel confirming to IS:210, AISI- 410 stainless steel stem, 26 Kg/cm2 body test pressure & 16 Kg/cm2 seat test pressure and standard flange end conforming to DIN 2533 RF duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 162 | 3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 65 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider |
| 163 | The valve and actuator shall conform to the following technical specifications: [1] Valve: (i) Body: Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem: SS630 (iv) Valve Seat: SS304 (v) Stem Seat: PTFE & FFKM (vi) Flow Media: Chilled Water (vii) Rangeability: 100:1 (viii) Leakage Rate: Max. 0.02% on all path [2] Actuator: (i) Nominal Voltage: AC / DC 24 V (ii) Nominal Frequency: 50 Hz (iii) Power Consumption in Operation: 2 W (iv) Power Consumption in Rest Position: 1.5 W (v) Actuating Force Motor: 1.5 kN (vi) Operating Range: Y: 0.5… 10 V (vii) Input Impedance: 100 kO (viii) Position Accuracy: ±5% NOTES: [i] The3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with3-way diverting globe valve shall not be less than the pump head. |
| 164 | BALL VALVE S & F of PN 25 rated forged brass 20 mm NB ball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 165 | HOT WATER PIPING M & LMS ERW CLASS- C PIPE for hot water piping of following NB including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya for pipes & Armacell, K-Flex, Aeroflex for insulation NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately. |
| 166 | 32 mm NB |
| 167 | 20 mm NB |
| 168 | S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation of(in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories to following NB pipes complete all as specified and directed by the engineer-in-charge. Make:Armacell, K Flex, Kaimann Flex, Vidoflex |
| 169 | 32 mm NB |
| 170 | 20 mm NB |
| 171 | Y- STRAINER Supply, installation, testing and commissioning of 32 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 172 | BALL VALVE S & F of PN 25 rated forged brassball valve of following size, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 173 | 32 mm NB |
| 174 | 20 mm NB |
| 175 | NON-RETURN VALVE Supply, installation, testing and commissioning of 32 mm NB vertical type two piece design vertical lift check valve, having bronze IBR 282 Gr.B body, renewable seat & disc, SS AISI-410 trim, 35 Kg/cm2 body test pressure & 17 Kg/cm2 seat test pressure and standard screw female BSP taper threads end conforming to BS 21 duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan for strainer & Armacell, K-Flex, Aeroflex for insulation |
| 176 | 3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 32 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider |
| 177 | The valve and actuator shall conform to the following technical specifications: [1] Valve: (i) Body: Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem: SS630 (iv) Valve Seat: SS304 (v) Stem Seat: PTFE & FFKM (vi) Flow Media: Chilled Water (vii) Rangeability: 100:1 (viii) Leakage Rate: Max. 0.02% on all path [2] Actuator: (i) Nominal Voltage: AC / DC 24 V (ii) Nominal Frequency: 50 Hz (iii) Power Consumption in Operation: 2 W (iv) Power Consumption in Rest Position: 1.5 W (v) Actuating Force Motor: 1.5 kN (vi) Operating Range: Y: 0.5… 10 V (vii) Input Impedance: 100 kO (viii) Position Accuracy: ±5% NOTES: [i] The3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with3-way diverting globe valve shall not be less than the pump head. |
| 178 | DRAIN & INSTRUMENTATION PIPING M & L for MS ERW CLASS- C PIPEdrain water piping of following size including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. |
| 179 | 15 mm NB |
| 180 | 25 mm NB |
| 181 | BALL VALVE S & F of PN 25 rated forged brassball valve of following size, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 182 | 15 mm NB |
| 183 | 25 mm NB |
| 184 | PIPING ACCESSORIES |
| 185 | AUTO AIR-VENT Supply, installation, testing and commissioning of automatic air-vent valve with 20 mm end connections, brass body and cover, plastic float, brass cap etc. suitable for maximum operating pressure of 16 bar and maximum operating temperature 100 °C respectively, installed on all high points in the water piping system to automatically remove the trapped air complete all as specified and directed. Make: Advance, Sant, Hindustan |
| 186 | TEMPERATURE GAUGE S & F of 6" dual scale (°F/°C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI |
| 187 | PRESSURE GAUGE S & F of 4" bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI |
| 188 | AIR DISTRIBUTION |
| 189 | DOUBLE SKIN AIR HANDLING UNIT Supply, installation, testing and commissioning of 12000 CFM @ 3"" w.g. static pressure double-skin type horizontal, floor-mounted, top / side discharge air handling unit and having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes 0.8 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 45±2 mm thick double skin panel with pressure injected CFC/HCFC free PUF having "k" value of 0.02 W/°C/m & density 40 kg/m³, AMCA certified energy efficient plug fan(s) with backward curved impellers for high static pressure mounted on aluminium extruded siderail base frame with VFD, EU4 pre-filter and EU7 fine filter (mounted on a common frame), combination of 6/8 rows deep chilled water coil(s), 1/2 rows deep hot water coil(s) with anti-corrosion aluminium fins, suitable high efficiency (IE3) TEFC squirrel cage flame proof induction motor, PVC/nylon hinges & handles, view port and marine lamp, limit switch, SS-304 drain pan, vibration isolators/rubber pads (minimum 1" thick) inspection windows / doors, mixing box and supply / return / fresh air openings fitted with aluminium volume control dampers, thermostat & humidistat, etc. complete all as specified and directed by the engineer-in-charge. Make: Trane, Carrier, York, Flaktgroup |
| 190 | The AHU shall comprise of the following: [a] Suitable SISW backward curved plug fan, dynamically balanced, with AMCA certified blower [b] Flameproof foot mounted (B3 construction) 3-Phase squirrel cage induction motor 415 V ± 10%, 50 Hz ± 5 %, combined variation ±10%, insulation class F, (for Blower of AHU) of 15 kW capacity, 22000 CFM with temperature rise limited to class B, degree of protection IP 55, duty 51, ambient temperature 45 ºC, conforming to IS 12615: 2011, IS/IEC 60079-1: 2007, IS 3682: 1966 gas group II A, II B [c] Flexible connection made with airtight ASTM E84 (Class I) polyester fire retardant cloth riveted on periphery of cloth with extruded aluminium "L" angle flange as per fan size at discharge duct/plenum [d] Washable type of "EU4" filter (pre-filter, efficiency 90% down to 10 micron) and "EU7" filters (Micro Vee filters, efficiency 99% down to 3 micron) [e] 6 / 8 rows deep chilled water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm²,with SS sandwiched drain tray, etc. (a 350 mm service section between eliminator and heater is required) [f] Condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness [g] 1/2 row deep heating coil section with aluminium fins and copper tube tested on 21 kg/cm² with SS sandwiched drain tray, etc. |
| 191 | [h] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalized construction with incomer and outgoing feeders for AHU motor, PAN type humidifier, 3-way valve actuator motor, fire damper actuator motor, etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. [i] Variable Frequency Drive (VFD) with IP 55 enclosures and mains disconnect switch suitable for 5.5 kW and comprising of the following complete with accessories of Danfoss, Schneider, L & T, ABB or Fuji make. (1) Built in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the Variable Frequency Drive. (2) Built in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800:3 (un restricted distribution) :2004 Category C 1 (50 meter). (3) Three feedback PID controller having capability to simultaneously accept 3 feedback signals from temperature sensors or pressure sensors for process optimization and accordingly control the speed of the AHUs or pumps. (4) Integral graphical keypad. NOTES: [i] The price of VFD and other necessary control equipment is deemed included in the quoted rate. [ii] Necessary civil work viz. foundation for placement of AHU, mounting of variable frequency drive (VFD) panel, construction of opening(s) for fresh/exhaust air etc. shall be covered in the scope of work. |
| 192 | FIRE DAMPER Supply, installation, testing and commissioning of 16 gauge GI fire damper, at least of 120 minutes fire-rating, spring activated on melting of fusible link having melting point 67.13° C complete with smoke detector / thermistor, fusible link etc. and actuator as required for operation, located in the SA / RA ducts, at all fire rated crossoevers (shafts, walls, etc.). along with control panel (located in such a way that the reset can easily be done), interlocked with the building management system for the fire detection or HVAC to trip / close in the event of fire/smoke in the respective zone and tested as per ULL- 555 and certified by CBRI complete all as specified and directed by engineer-in-charge. The fire dampers shall meet the following criteria: [a] Bare fire dampers with 400 mm sleeve [b] Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. [c] Interconnection wire for the fire detection & alarm system with the AHU and the smoke dampers [d] Sealing any openings around the sleeve of the fire dampers with approved fire sealant as per the specification & recommendations of the manufacturer. |
| 193 | Motorized, spring return type, combination fire and smoke damper Make: Air Flow, Caryaire, Dynacraft, Ravistar |
| 194 | Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. Make: Anergy, Belimo, Honeywell |
| 195 | VOLUME CONTROL DAMPER Supply, installation, testing and commissioning of high performance airfoil class 1A leakage rated GI volume control damper having galvanised steel hat channel frame reinforced with corner braces, galvanised steel airfoil shaped blades (double skin construction) of 14 gauge thickness, neoprene blade edge seals, flexible metal compressible jamb seals, stainless steel sleeve, linkage concealed in frame, etc. tested as per AMCA Standard 500-D-98 complete all as specified and directed by engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar |
| 196 | PAN-TYPE HUMIDIFIER Supply, installation, testing and commissioning of PAN-type humidifier, suitable for 100 LPH evaporation rate, having SS-304 sheet welded construction with unitized stainless steel reservoir divided into two chambers from inside having 25 mm thick fiberglass insulation cladded with aluminium foil, snap-acting humidistat, support legs for free-standing or wall hanging brackets for wall-mounting, factory mounted & wired humidifier control cabinet, steam outlet nozzle, water make-up, drain, over-flow, quick fill connections, immersion heaters made of copper or stainless steel, terminal blocks suitable for field power and control wiring and safety thermostat complete all as specified and directed by the engineer-in-charge. Make: Rapid cool, Cellcraft or sigma airtech |
| 197 | HOT WATER GENERATOR Supply, installation, testing and commissioning of SS 304 shell type vertical electric hot water generator suitable for 50000 kCal/hr heat output at 122º F (50º C) temperature, tested for 350 psig pressure, having resin insulation bonded with fiber glasswool along with aluminium cladding, thermostat for individual step, digital thermometer for inlet & outlet pipes, pressure gauge with ball valve for inlet & outlet pipes, SCR based stepless linear controller, float switch, audio/visual alarm for low water level, audio/visual alarm for high temperature, pressure relief valve, door switch, safety thermostat, etc. including suitable pump complete all as specified and directed by the engineer-in-charge. Make :Bechtel, SAZ Boilers, HEAT-Max |
| 198 | GALVANIZED STEEL SHEET DUCTING Supply, installation, balancing and commissioning of factory fabricated galvanized steel sheet metal (G.S.S.) round / rectangular ducting of following sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to the latest edition of IS 655: 2006 & HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by engineer-in-charge. Make: Approved Manufacturer of SMACNA Standard NOTES: [i] Duct connection shall be carried out by angle flange technique. [ii] The quoted shall be inclusive of hangers & supports, etc. [iii] Volume Control Damper shall be measured and paid for separately. |
| 199 | 24 G (MS angle flanges) |
| 200 | 22 G (MS angle flanges) |
| 201 | 20 G (MS angle flanges) |
| 202 | AIR TERMINALS M & L for return grille having welded steel border with aerodynamically shaped extruded aluminium blades having 30º fixed deflection & 20 mm blade spacing, countersunk screw holes in border, anodic acrylic paint finish, etc. and tested as per ANSI / ASHRAE standard 70-2006 complete all as specified and directed by the engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar |
| 203 | Return grille of nominal duct size 24" X 08" |
| 204 | Return grille of nominal duct size 36" X 10" |
| 205 | THERMAL INSULATION S & F ofblack flexible closed-cell elastomeric thermal insulation made of elastomeric foam based on synthetic rubber (NBR / PVC) with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM, tested for maximum service temperature 100 ºC as per ASTM C411 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C1763, fire spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Armacell, K-Flex or Aeroflex |
| 206 | 19 mm thick thermal insulation (for supply) |
| 207 | 13 mm thick thermal insulation ( for return) |
| 208 | S & F of FM approved fibre-free, super-silent, microbe resistant, easy to apply 10 mm thick acoustic duct lining insulation of open cell elastomeric foam based on synthetic rubber tested for acoustic performance as per EN ISO 354, EN ISO 11654: 1997 & ASTM C 423, service temperature range -20- 85 °C as per EN 14706 & EN 14304, thermal conductivity ? = 0.047 W/mK at mean temperature ?m = 20 °C as per EN 12667, Class 1 surface spread of flame as per BS 476 7: 1997, flammability HB, V-0 as per UL- 94, anti-microbial behaviour (no fungal growth visible with the naked eye & no bacterial growth) as per EN ISO 846, air erosion resistance (no erosion, cracking or delamination at air velocity of 10000 FPM) as per ASTM C 1071- 05, density 140- 180 kg/m3 along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Armaflex, Vidoflex, Kaimenflex or as per zonal specification |
| 209 | S & F of Indoor type wall mounted digital temperature cum %RH meter (Digital Thermos Hygrometer) complete with large LCD, English display having operating with 12/24H Max/Min temperature and humidity memory function range -50°C to70°C Temperature accuracy 0.5 ºC and Humidity range 10% to 99% RH Humidity accuracy 5% RH Humidity resolution 1% RH Power source 1*AAA (1.5V) battery for AC Plant Room complete as specified and directed by the engineer-in-charge. Make: Honeywell, HTC, General or Make As Per Zonal Specification |
| 210 | BUILDING : BDP-2AC PLANT ROOM |
| 211 | WATER-COOLED SCROLL TYPE CHILLER UNIT (1W + 1S) Supply, installation, testing and commissioning of AHRI certified, factory designed, pre-fabricated and floor-mounted twin scroll type water cooled chiller machine of at least 11 TR nominal capacity at site conditions complete with semi-hermetic scroll compressors having independent refrigerant circuits & automatic stepless capacity control, water-cooled S/T type condenser, ASME stamped S/T horizontal flooded type evaporator with carbon steel shell and seamless copper tubes with elastomeric insulation, suitable numbers of squirrel cage induction motor of suitable rating with class "B" insulation, along with necessary drive arrangement, lubrication system as per manufacturer"s design required for smooth and trouble-free operation of the chiller package,common base frame, interconnected copper refrigerant piping along with elastomeric insulation, fittings, valves, expansion valves and accessories to interconnect compressor, condenser, chiller and expansion valve, microprocessor based control panel comprising of controls including sensors and equipped with a keyboard, LCD touchscreen access input system, protection and monitoring devices to perform control functions , wiring, vibration isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser and ozone friendly, CFC-free refrigerant all complete as specified and directed by the engineer-in-charge. Make: Blue Star, Daikin, Voltas |
| 212 | The chiller shall conform to the following requirements / specifications: [i] Chilled water inlet/outlet temperature: 12/7 °C [ii] Evaporator fouling factor: 0.00010 °Fft²hr/Btu [iii] Evaporator side pressure drop: 3 m of H2O (maximum) [iv] Condenser water inlet/outlet temperature: 32/36 °C [v] Condenser fouling factor: 0.00025 °Fft²hr/Btu [vi] Condenser side pressure drop: 6 m of H2O (maximum) [vii] Minimum COP @ 100% load: 4.7 at AHRI condition [viii] Minimum IPLV @ 100% load: 5.8 at design condition [ix] Refrigerant (Ozone friendly type): R407C / R134a [x] Test standard: ARI 550 / 590 NOTES: [i] The quoted rate shall be inclusive of victaulic coupling and system integrator capable of giving industry standard (Modbus/BACnet) output to BMS for critical parameters. [ii] Mapping shall be required for all critical points displayed on the chiller control panel. The chiller shall be BMS compatible and shall have RS485 / RS232 serial communication protocol. [iii] The motor shall be suitable for 3- Phase, 415 V ± 10%, 50 Hz AC electric supply and the microprocessor based control panel shall have an IP 54 rating. [iv] Initial / first charge of refrigerant gas & compressor shall be deemed included in the quoted rate. [v] Necessary civil work viz. foundation for placement of chillers, etc. shall be deemed included in the scope of work. |
| 213 | CHILLED WATER CIRCULATION PUMP (1W + 1S) Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump, capable of 2.4 LPS discharge at 14 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (GMC-1.525), Wilo, Crompton Greaves NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. |
| 214 | HOT WATER CIRCULATION PUMP (1W + 1S) Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump, capable of 3.4 LPS discharge at 6 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (KDS0510), Wilo, Crompton Greaves NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. |
| 215 | FRP INDUCED DRAUGHT COOLING TOWER Supply, installation, testing and commissioning of FRP rectangular shape, vertical, induced draught counter flow cooling tower of 15 TR size with uniform water distribution and optimal heat transfer, having tough fiberglass reinforced plastic (FRP) casing of sufficient structural strength to withstand vibrations and wind velocity up to 60 m/s, FRP basin, rigid honeycomb type PVC fill of suitable thickness, SS sprinklers and non-clogging sprinkler pipes, FRP drift eliminator, energy efficient induced draught axial type fans with factory set and dynamically balanced blades pitch, TEFC squirrel cage induction motor,conforming to IS 12615: 2018, suitable for operation on 3- Ph, 415 V, 50 Hz AC supply with IP 65 protection for enclosure, inlet, outlet, drain and over-flow nozzle connections, etc. complete with accessories as specified and directed by the engineer-in-charge. Make: Delta, Advance, National, Paharpur NOTES: [i] Necessary civil work viz. foundation, supporting structure, etc. for placement of cooling tower shall be deemed included in the scope of work. |
| 216 | CONDENSER WATER PUMP (1W + 1S) Supply, installation, testing and commissioning of monobloc, self-priming, single-stage centrifugal pump, capable of 3.6 LPS discharge at 14.0 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018 and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting complete all as specified and directed by engineer-in-charge. Make: Kirloskar (GMC-116), Wilo, Crompton Greaves NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. |
| 217 | EXPANSION TANK S & F SS- 304 closed expansion tank of 100 litre capacity with pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, conforming to IS: 2825- 1969 for "non-fired pressure vessels" complete with inter-connection piping, non-return valve, safety relief valve and pressure gauge, insulated with 50 mm thick elastomeric insulation and cladded with 26 gauge aluminium complete with accessories as specified and directed by the engineer-in-charge. Make: Anergy, Emerald or Xylem |
| 218 | HDPE MAKE-UP WATER TANK FOR COOLING TOWER S & F multi-layered HDPE make-up water tank of 2500 litre capacity made up of 100% virgin material, having 100% UV stabilized white outer layer, threaded lid, extra insert lid for protection against algae formationcomplete with inter-connection piping and non-return valve etc. complete all as specified and directed. Make: Sintex, National Plastic, Aquatech |
| 219 | HVAC PANEL Supply, installation, testing and commissioning of factory made, CPRI / ERDA type tested, fully compartmentalized bolted type HVAC Panel of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for outdoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 3.15 mm thick mild steel CRCA sheet, having both sides openable with hinged doors and locking arrangement, IP 43 & IK 10 protection, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labelling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel vitreous enamelled (white) with letters, figures and conventional skull and bones in signal red colour suitable for 3-Phase, 4-Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length and size, including fixing lugs, bolts, screws, etc. complete all as specified and directed by the engineer-in-charge. Make: Schneider, ABB, Siemens, L & T The HVAC Panel shall comprise of the following: Busbar Chamber: [i] 01 Set (3L + N) of copper busbar of rated capacity 200 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection |
| 220 | Incoming: [i] 160 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [ii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 01 Nos. [iii] LED phase indicators (Red, Yellow, Blue)- 01 Set Outgoing: [i] 125 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [for Hot Water Generator] [ii] 40 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 02 Nos. [for chiller] |
| 221 | [iii] 32 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 09 Nos. [for AHU, CT, CHWP, CDWP, HWP, PAN-tyype humidifier] [iv] Fully automatic DOL starter, suitable for chilled water circulation pumps, condenser water pumps & hot water pumps motor complete with contactors, push button, LED type indicators, auto/manual selector switch, overload protection, current sensing type single phase preventer complete with all accessories and wiring etc- 07 Nos. [for CHWP, CDWP, HWP & CT] [v] 32 A, 230 V, 50 Hz, SPN MCB (C- curve)- 01 Nos. [for AC Plant Room] [vi] LED phase indicators (Red, Yellow, Blue)- 12 Set [vii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 12 Nos. NOTES : [i] The Panel shall be purchased from the original equipment manufacturer (OEM) or their authorised channel partner only. [ii] The Panel shall be equipped with necessary automation hardware for sequencial switching on / off of HVAC equipment in the event of shutdown / start up of the AC Plant or preventive shutdown of rest of the equipment in the event of malfunction of a particular equipment. The sequence of operation shall be: CT > CDWP > Chiller > CHWP > AHU |
| 222 | M & L for 1.1 kV grade copper conductor, XLPE insulated armoured cable conforming to IS 7098 (Part 1): 1988, having stranded coppercompact shaped conductors as per Cl. 2 of IS 8130: 1984, PVC inner sheath, single armoring of galvanised steel strip/wire and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete all as specified and directed by engineer-in-charge. Make: RR Kabel, Polycab, Havells |
| 223 | 4 core, 2.5 mm² (for Chilled Water Circulation Pumps, Condenser Water Pump, Cooling Tower, Hot water circulation pumps, Humidifier) |
| 224 | 4 core, 6 mm² (for Chillers) |
| 225 | CONDENSER WATER PIPING Supply, laying / fixing, MS ERW CLASS- C PIPE testing and commissioning of condenser water piping of following sizeincluding necessary fittings viz. bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. |
| 226 | 50 mm NB |
| 227 | 40 mm NB |
| 228 | Y-STRAINER Supply, installation, testing and commissioning of 50 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 229 | BUTTERFLY VALVE Supply, installation, testing and commissioning of 10mm NB butterfly valve wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 230 | NON-RETURN VALVE Supply, installation, testing and commissioning of NON-RETURN VALVE 50 mm NB straight pattern PN 1.6 rated stop cum non return valve (NRV), designed & tested as per BS 5152, having Gr. FG-200 CI body, bonnet, valve disc, gland & handwheel confirming to IS:210, AISI- 410 stainless steel stem, 26 Kg/cm2 body test pressure & 16 Kg/cm2 seat test pressure and standard flange end conforming to DIN 2533 RF with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 231 | CHILLED WATER PIPING M & L MS ERW CLASS- C PIPE for chilled water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately. |
| 232 | 40 mm NB |
| 233 | 20 mm NB |
| 234 | S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation (in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Armaflex, Vidoflex, Kaimenflex |
| 235 | 40 mm NB |
| 236 | 20 mm NB |
| 237 | Y- STRAINER Supply, installation, testing and commissioning of 40 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 238 | BUTTERFLY VALVE Supply, installation, testing and commissioning of butterfly valve 40 mm NB wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 239 | NON-RETURN VALVE Supply, installation, testing and commissioning of 40 mm NB straight pattern PN 1.6 rated stop cum non return valve (NRV), designed & tested as per BS 5152, having Gr. FG-200 CI body, bonnet, valve disc, gland & handwheel confirming to IS:210, AISI- 410 stainless steel stem, 26 Kg/cm2 body test pressure & 16 Kg/cm2 seat test pressure and standard flange end conforming to DIN 2533 RF duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 240 | 3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 40 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider |
| 241 | The valve and actuator shall conform to the following technical specifications: [1] Valve: (i) Body: Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem: SS630 (iv) Valve Seat: SS304 (v) Stem Seat: PTFE & FFKM (vi) Flow Media: Chilled Water (vii) Rangeability: 100:1 (viii) Leakage Rate: Max. 0.02% on all path [2] Actuator: (i) Nominal Voltage: AC / DC 24 V (ii) Nominal Frequency: 50 Hz (iii) Power Consumption in Operation: 2 W (iv) Power Consumption in Rest Position: 1.5 W (v) Actuating Force Motor: 1.5 kN (vi) Operating Range: Y: 0.5… 10 V (vii) Input Impedance: 100 kO (viii) Position Accuracy: ±5% NOTES: [i] The3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with3-way diverting globe valve shall not be less than the pump head. |
| 242 | BALL VALVE S & F of PN 25 rated forged brass 20 mm NB ball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 243 | HOT WATER PIPING |
| 244 | MS ERW CLASS- C PIPE M & L for hot water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya for pipes & Armacell, K-Flex, Aeroflex for insulation NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately. |
| 245 | 32mm NB |
| 246 | 20mm NB |
| 247 | S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation of(in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make:Armacell, K Flex, Kaimann Flex, Vidoflex |
| 248 | 32 mm NB |
| 249 | 20 mm NB |
| 250 | Y- STRAINER Supply, installation, testing and commissioning of 32 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 251 | BALL VALVE S & F of PN 25 rated forged brassball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 252 | 32mm NB |
| 253 | 20 mm NB |
| 254 | NON-RETURN VALVE Supply, installation, testing and commissioning of 32 mm NB vertical type two piece design vertical lift check valve, having bronze IBR 282 Gr.B body, renewable seat & disc, SS AISI-410 trim, 35 Kg/cm2 body test pressure & 17 Kg/cm2 seat test pressure and standard screw female BSP taper threads end conforming to BS 21 duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan for strainer & Armacell, K-Flex, Aeroflex for insulation |
| 255 | 3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 32 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider |
| 256 | The valve and actuator shall conform to the following technical specifications: [1] Valve: (i) Body: Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem: SS630 (iv) Valve Seat: SS304 (v) Stem Seat: PTFE & FFKM (vi) Flow Media: Chilled Water (vii) Rangeability: 100:1 (viii) Leakage Rate: Max. 0.02% on all path [2] Actuator: (i) Nominal Voltage: AC / DC 24 V (ii) Nominal Frequency: 50 Hz (iii) Power Consumption in Operation: 2 W (iv) Power Consumption in Rest Position: 1.5 W (v) Actuating Force Motor: 1.5 kN (vi) Operating Range: Y: 0.5… 10 V (vii) Input Impedance: 100 kO (viii) Position Accuracy: ±5% NOTES: [i] The3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with3-way diverting globe valve shall not be less than the pump head. |
| 257 | DRAIN & INSTRUMENTATION PIPING |
| 258 | MS ERW CLASS- C PIPE M & L for mild steel electric resistance welding class-Cdrain water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS "C" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. |
| 259 | 15mm NB |
| 260 | 25mm NB |
| 261 | BALL VALVE S & F of PN 25 rated forged brassball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan |
| 262 | 15mm NB |
| 263 | 25mm NB |
| 264 | AUTO AIR-VENT Supply, installation, testing and commissioning of automatic air-vent valve with 20 mm end connections, brass body and cover, plastic float, brass cap etc. suitable for maximum operating pressure of 16 bar and maximum operating temperature 100 °C respectively, installed on all high points in the water piping system to automatically remove the trapped air complete all as specified and directed. Make: Advance, Sant, Hindustan |
| 265 | TEMPERATURE GAUGE S & F of 6" dual scale (°F/°C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI |
| 266 | PRESSURE GAUGE S & F of 4" bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI |
| 267 | AIR DISTRIBUTION DOUBLE SKIN AIR HANDLING UNIT |
| 268 | Supply, installation, testing and commissioning of 6000 CFM @ 3"" w.g. static pressure double-skin type horizontal, floor-mounted, top / side discharge air handling unit and having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes 0.8 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 45±2 mm thick double skin panel with pressure injected CFC/HCFC free PUF having "k" value of 0.02 W/°C/m & density 40 kg/m³, AMCA certified energy efficient plug fan(s) with backward curved impellers for high static pressure mounted on aluminium extruded siderail base frame with VFD, EU4 pre-filter and EU7 fine filter (mounted on a common frame), combination of 6/8 rows deep chilled water coil(s), 1/2 rows deep hot water coil(s) with anti-corrosion aluminium fins, suitable high efficiency (IE3) TEFC squirrel cage flame proof induction motor, PVC/nylon hinges & handles, view port and marine lamp, limit switch, SS-304 drain pan, vibration isolators/rubber pads (minimum 1" thick) inspection windows / doors, mixing box and supply / return / fresh air openings fitted with aluminium volume control dampers, thermostat & humidistate,etc. complete all as specified and directed by the engineer-in-charge. Make: Trane, Carrier, York, Flaktgroup |
| 269 | The AHU shall comprise of the following: [a] Suitable SISW backward curved plug fan, dynamically balanced, with AMCA certified blower [b] Flameproof foot mounted (B3 construction) 3-Phase squirrel cage induction motor 415 V ± 10%, 50 Hz ± 5 %, combined variation ±10%, insulation class F, (for Blower of AHU) of 15 kW capacity, 22000 CFM with temperature rise limited to class B, degree of protection IP 55, duty 51, ambient temperature 45 ºC, conforming to IS 12615: 2011, IS/IEC 60079-1: 2007, IS 3682: 1966 gas group II A, II B |
| 270 | [c] Flexible connection made with airtight ASTM E84 (Class I) polyester fire retardant cloth riveted on periphery of cloth with extruded aluminium "L" angle flange as per fan size at discharge duct/plenum [d] Washable type of "EU4" filter (pre-filter, efficiency 90% down to 10 micron) and "EU7" filters (Micro Vee filters, efficiency 99% down to 3 micron) [e] 6 / 8 rows deep chilled water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm²,with SS sandwiched drain tray, etc. (a 350 mm service section between eliminator and heater is required) [f] Condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness [g] 1/2 row deep heating coil section with aluminium fins and copper tube tested on 21 kg/cm² with SS sandwiched drain tray, etc. [h] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalized construction with incomer and outgoing feeders for AHU motor, PAN type humidifier, 3-way valve actuator motor, fire damper actuator motor, etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. [i] Variable Frequency Drive (VFD) with IP 55 enclosures and mains disconnect switch suitable for 5.5 kW and comprising of the following complete with accessories of Danfoss, Schneider, L & T, ABB or Fuji make. |
| 271 | (1) Built in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the Variable Frequency Drive. (2) Built in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800:3 (un restricted distribution) :2004 Category C 1 (50 meter). (3) Three feedback PID controller having capability to simultaneously accept 3 feedback signals from temperature sensors or pressure sensors for process optimization and accordingly control the speed of the AHUs or pumps. (4) Integral graphical keypad. NOTES: [i] The price of VFD and other necessary control equipment is deemed included in the quoted rate. [ii] Necessary civil work viz. foundation for placement of AHU, mounting of variable frequency drive (VFD) panel, construction of opening(s) for fresh/exhaust air etc. shall be covered in the scope of work. |
| 272 | FIRE DAMPER Supply, installation, testing and commissioning of 16 gauge GI fire damper, at least of 120 minutes fire-rating, spring activated on melting of fusible link having melting point 67.13° C complete with smoke detector / thermistor, fusible link etc. and actuator as required for operation, located in the SA / RA ducts, at all fire rated crossoevers (shafts, walls, etc.). along with control panel (located in such a way that the reset can easily be done), interlocked with the building management system for the fire detection or HVAC to trip / close in the event of fire/smoke in the respective zone and tested as per ULL- 555 and certified by CBRI complete all as specified and directed by engineer-in-charge. |
| 273 | The fire dampers shall meet the following criteria: [a] Bare fire dampers with 400 mm sleeve [b] Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. [c] Interconnection wire for the fire detection & alarm system with the AHU and the smoke dampers [d] Sealing any openings around the sleeve of the fire dampers with approved fire sealant as per the specification & recommendations of the manufacturer. |
| 274 | Motorized, spring return type, combination fire and smoke damper Make: Air Flow, Caryaire, Dynacraft, Ravistar |
| 275 | Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. Make: Anergy, Belimo, Honeywell |
| 276 | VOLUME CONTROL DAMPER Supply, installation, testing and commissioning of high performance airfoil class 1A leakage rated GI volume control damper having galvanised steel hat channel frame reinforced with corner braces, galvanised steel airfoil shaped blades (double skin construction) of 14 gauge thicknes, neoprene blade edge seals, flexible metal compressible jamb seals, stainless steel sleeve, linkage concealed in frame, etc. tested as per AMCA Standard 500-D-98 complete all as specified and directed by engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar |
| 277 | PAN-TYPE HUMIDIFIER Supply, installation, testing and commissioning of PAN-type humidifier, suitable for 50 LPH evaporation rate, having SS-304 sheet welded construction with unitized stainless steel reservoir divided into two chambers from inside having 25 mm thick fiberglass insulation cladded with aluminium foil, snap-acting humidistat, support legs for free-standing or wall hanging brackets for wall-mounting, factory mounted & wired humidifier control cabinet, steam outlet nozzle, water make-up, drain, over-flow, quick fill connections, immersion heaters made of copper or stainless steel, terminal blocks suitable for field power and control wiring and safety thermostat complete all as specified and directed by the engineer-in-charge. Make: Rapid cool, Cellcraft or sigma airtech |
| 278 | HOT WATER GENERATOR Supply, installation, testing and commissioning of SS 304 shell type vertical electric hot water generator suitable for 30000 kCal/hr heat output at 122º F (50º C) temperature, tested for 350 psig pressure, having resin insulation bonded with fiber glasswool along with aluminium cladding, thermostat for individual step, digital thermometer for inlet & outlet pipes, pressure gauge with ball valve for inlet & outlet pipes, SCR based stepless linear controller, float switch, audio/visual alarm for low water level, audio/visual alarm for high temperature, pressure relief valve, door switch, safety thermostat, etc. including suitable pump complete all as specified and directed by the engineer-in-charge. Make :Bechtel, SAZ Boilers, HEAT-Max |
| 279 | GALVANIZED STEEL SHEET DUCTING Supply, installation, balancing and commissioning of 24 G (MS angle flanges) factory fabricated galvanized steel sheet metal (G.S.S.) round / rectangular ducting of following sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to the latest edition of IS 655: 2006 & HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by engineer-in-charge. NOTES: |
| 280 | [i] Duct connection shall be carried out by angle flange technique. [ii] The quoted shall be inclusive of hangers & supports, etc. [iii] Volume Control Damper shall be measured and paid for separately. |
| 281 | AIR TERMINALS M & L for square / rectangular / round neck ceiling diffuser for fixed, horizontal discharge pattern consisting of an outer frame assembly with a square / rectangular inlet being an integral part thereof, an inner core assembly consisting of fixed deflection louvers, anodic acrylic paint finish, etc. and tested as per ANSI / ASHRAE standard 170-1991 complete all as specified and directed by the engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar |
| 282 | 300 mm X 300 mm rectangular neck 4-way discharge ceiling diffuser having neck velocity = 600 ft/min, throw = 12" @ 150 ft/min velocity NC = 23 for air flow = 520 ft3/min |
| 283 | THERMAL INSULATION S & F ofblack flexible closed-cell elastomeric thermal insulation made of elastomeric foam based on synthetic rubber (NBR / PVC) with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM, tested for maximum service temperature 100 ºC as per ASTM C411 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity ? = 0.037 W/mK at mean temperature ?m = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume = 0.2% as per ASTM C1763, fire spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Armacell, K-Flex, Aeroflex |
| 284 | 19 mm thick thermal insulation (for supply) |
| 285 | 13 mm thick thermal insulation ( for return) |
| 286 | S & F of FM approved fibre-free, super-silent, microbe resistant, easy to apply 10 mm thick acoustic duct lining insulation of open cell elastomeric foam based on synthetic rubber tested for acoustic performance as per EN ISO 354, EN ISO 11654: 1997 & ASTM C 423, service temperature range -20- 85 °C as per EN 14706 & EN 14304, thermal conductivity ? = 0.047 W/mK at mean temperature ?m = 20 °C as per EN 12667, Class 1 surface spread of flame as per BS 476 7: 1997, flammability HB, V-0 as per UL- 94, anti-microbial behaviour (no fungal growth visible with the naked eye & no bacterial growth) as per EN ISO 846, air erosion resistance (no erosion, cracking or delamination at air velocity of 10000 FPM) as per ASTM C 1071- 05, density 140- 180 kg/m3 along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Armaflex, Vidoflex, Kaimenflex or as per zonal specification |
| 287 | S & F of Indoor type wall mounted digital temperature cum %RH meter (Digital Thermos Hygrometer) complete with large LCD, English display having operating with 12/24H Max/Min temperature and humidity memory function range -50°C to70°C Temperature accuracy 0.5 ºC and Humidity range 10% to 99% RH Humidity accuracy 5% RH Humidity resolution 1% RH Power source 1*AAA (1.5V) battery for AC Plant Room complete as specified and directed by the engineer-in-charge. Make: Honeywell, HTC, General Or Make As Per Zonal Specification |
| 288 | Dismentling of old Package type ACs including indoor and outdoor units, piping connections etc complete of capacity 7.5 TR and depositing to E/M store yard from NB-4 all as specified and directed. |
| 289 | Dismentling of old Package type ACs including indoor and outdoor units, piping connections etc complete of capacity 5.5 TR and depositing to E/M store yard from BDP-2 all as specified and directed. |
| 290 | Dismentling of old inlet air duct from NB-4 building |
| 291 | Dismentling of old inlet air duct from BDP-2 building |
| 292 | Sch of credit Rs 19331.11 |
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