Military Engineer Services-MES has published Tender For Special Repairs To Mtp Ac Plant At Naval Base Karwar. Submission Date for this Tender is 15-05-2024. HVAC Tenders in karwar Karnataka. Bidders can get complete Tender details and download the document.
| FileName | File Description | File Size |
| 8cc120b0-6660-4981-b7f1-4992b6384c5d.html | Tender Notice | 0 KB |
| 87941Tenderpages.pdf | Tender Document | 0 KB |
| BOQ_727703.xls | Tender Document | 0 KB |
| CHW_PIPING_LAYOUT_MTP_Kar_1.pdf | Tender Document | 0 KB |
| Tendernotice_1.pdf | Tender Document | 0 KB |
| Sl. No. | Item Description |
| 1 | DISMANTLING & REMOVAL OF EXISTING EQUIPMENT Carefully dismantling all the parts and components of existing central AC plant of running capacity not less than 240 TR consisting of 3 x 120 TR Screw Chillers and following major components including relocation to the premises/storeyard as allocated by Engineer-in-charge. -Scroll chillers -Chilled Water Pumps -Cooling Water Pumps -Pipes and valves -Cooling Towers -Main Chiller Panel, cabling and wiring etc -AHUs, ducting, etc., Note: (i) Capacities mentioned above are approximate. (ii) After the dismantling process, if the plant room or any other building structure is damaged or disrupted, it shall be restored and prepared accordingly. This includes all necessary civil works required for the installation of new air conditioning plants and machinery, as per scope of work. |
| 2 | CENTRAL AIR CONDITIONING SYSTEM Supply, Install, testing, balancing and commissioning of central air-conditioning plant and air conditioning sub systems for total runnning capacity of not less than 230 TR as per scope of work given in the following items and sub items of work to maintain the design temperature of 23 ± 2°C and humidity of 60 ± 5% at the given buildings and as shown on drgs and based on other conditions as given in the User Data sheet and all as required as per the standard code of practice in the given field. Note: Care has been taken to include all items as per below given scope of works, however in case any item of work civil or electrical or mechanical not specifically specified but essentially required for successful and efficient completion and commissioning of air conditioning system shall be procured and fitted in the system to achieve the targetted and optimum performance, the cost of which is deemed to be included in the quoted tender rates against each item and as a whole for the air conditioning of given building in this tender. |
| 3 | CHILLERS (2W+1S) Water Cooled VFD type Screw Chiller Package Supply, Installation, Testing & Commissioning of VFD enabled water cooled Screw Chiller as per following capacity and specifications complete with Semi-hermetic Compressor, R-134A or R-407C refrigerant, Motor, Water Cooled Condenser, Insulated Chiller, Integral acoustic insulation for the entire chiller to reduce noise level, Differential pressure switch, Victaulic coupling, Electronic expansion valve, Flow switch at Chiller & Condenser, Power control and microprocessor based control system, Vibration Isolator, Integral Refrigerant piping & wiring, Accessories as required and called for Automatic safety Control mounted in central Console Panel, Necessary Cabling & Earthing Strip & All mounted on a Steel frame complete & Factory tested at test bed. Operating Voltage 415 V ± 15%, 50 c/s, 3 Phase, AC supply and in accordance with following :- |
| 4 | Nominal Cooling capacity not less than - 115 TR (Actual - at design parameters) Chilled Water I/O Temp - 7°C / 12°C Cooling Water I/O Temp - 32°C / 36°C Evaporator side Fouling Factor - 0.000010 to 0.000018 m² °C/W Condenser Fouling Factor - 0.000025-0.000044 m² °C/W Condenser Water Flow- 280USGPM Part load energy efficiency at AHRI Relief ->6 Minimum COP at AHRI Relief - 5 Sound Pressure Level @ 3m should not exceed 75 db(A) Maximum AP across Evaporator = 3.0 mwc Maximum AP across Condenser = 8.0 mwc Note: 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. |
| 5 | Restrained Spring/Vibration Isolator: Supply, Installation, Testing & commissioning Restrained Spring/Vibration Isolator Of Approved Make Required For Following Equipment & Rating:- Spring elements shall have a lateral stiffness greater than 1.2 times the rated vertical stiffness and shall be designed to provide a minimum of 50% overload capacity. Non-welded spring elements shall be polyester powder coated, and shall have a 1000 hr rating when tested in accordance with ASTM B-117. Springs shall be designed for deflections as per operating design load of equipment. |
| 6 | (a) Suitable for the above mentioned Chiller Operating Weight |
| 7 | (b) Suitable for Chilled Water & Cooling Water Pumps with their Operating Weight as per details given in subsequent items |
| 8 | Supply, Installation, Testing & commissioning of Single Arch Rubber Bellow for Chillers and Pumps complete with Control Guide Assembly: |
| 9 | (a) Single Arch Rubber Bellow of appropriate size/dia for Chillers and chiller Pumps as given in the schedule |
| 10 | (b) Single Arch Rubber Bellow of appropriate size/dia for Chillers and condensor Pumps as given in the schedule |
| 11 | COOLING TOWER Supply, Installation, Testing and Commissioning of FRP, induced Draught Counter flowrectangular/circular Cooling Tower (CTI Certified) with direct driven VFD fan and motor with requisite water connections and float valves etc. as per specifications with following operating parameters : Type - Twin Cell Certification - CTI certified Wet Bulb Temp. - 28.3° C Entering Water Temp. - 37.8° C Leaving Water Temp. - 32.2° C Cooling Capacity - 140 TR Flow Rate capacity per cooling tower - 462 GPM Notes:- Necessary foundation, fabrication & installation of MS structure for cooling towers as per OEM recommendation is deemed included in the quoted rates. |
| 12 | CHILLED WATER DISTRIBUTION SYSTEM (WITH INSULATION) Chilled Water Pumps (2W+1S) with the following parameters : Supply, Installation, Testing and Commissioning of Horizontal End suction back pull out type, IE-3 motor rating, Centrifugal pump sets with Cast Iron casing & bronze Impeller & Shaft seals with TEFC motor suitable for 3 Phase, 415 V ± 10 %, 50 c/s, AC Power supply, Necessary Cabling & Earthing Strip, mounted on inertia block with spring isolator etc. The pump shall be duly insulated, as per specifications. Technical Data: Water Quantity - 300 GPM Static Head - 26 meters Speed - 1450 RPM Impeller - Bronze |
| 13 | Chilled Water Piping: Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled piping including flanges, gaskets and bends/tees or fittings as required inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with closed cell elastometric nitrile rubber of minimum 45 kg/cum density, material shall have flamabillity class V-0 as per UL 94, thermal conductivity 0.037 W/MK or better at 20 deg mean temperature class "O" insulation applied by suitable adhesive complete including repairing of damage to building etc. as per specifications and as required complete in all respect. Note:- The Pipes of sizes 150mm & below shall be M.S. "C" class as per IS:1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.Closed Cell Class ‘O’ Nitrile rubber with plain tubing & separate layer of Glass Cloth |
| 14 | (a) 150 mm dia.(44 mm thick insulation)(Layer-1:19+Layer 2:25 With GC) |
| 15 | (b) 125 mm dia.(44 mm thick insulation)(Layer-1:19+Layer 2:25 With GC) |
| 16 | (c) 100 mm dia.(44 mm thick insulation)(Layer-1:19+Layer 2:25 With GC) |
| 17 | (d) 80 mm dia.(44 mm thick insulation)(Layer-1:19+Layer 2:25 With GC) |
| 18 | Note: 1. In case the chilled water pipe is run over ground on concrete pedestals or laid in underground, the insulation will be nitrile rubber as per above however the final covering shall be of either 26 SWG aluminium sheet or non abrasive AC application cloth fiber of appropriate thickness duly riveted/sealed/covered and bound over the nitrile insulation as specified. 2. Cost of above arrangements as may be applicable is deemed to have been included in quoted rates. |
| 19 | Drain Piping: Supply, Installation, Testing & Commissioning for Drain of M.S. "B" class piping confirming to IS: 1239/3569 heavy class chilled water piping including all necessary fitting like anchor fasteners, pipe supporting frame structure, couplings, seamless bends, elbows, Tees, union, reducers, expander ASA 150 ISRF flanges, CAF gaskets, nuts & bolts etc. insulated with 13mm thickness Nitrile Rubber as per specifications. |
| 20 | (a) 32 mm piping |
| 21 | (B) 25 mm piping |
| 22 | Butterfly Valve:Supplying, fixing, testing and commissioning Butterfly valves with CI body SS Disc, Nitrile Rubber Seal & O-Ring PN 16 pressure rating for chilled water circulation as specified and with insulation as per specification. |
| 23 | (a) For 125 mm dia pipes |
| 24 | (b) For 100 mm dia pipes |
| 25 | (c) For 80 mm dia pipes |
| 26 | Ball valves: Supply, Installation, Testing & commissioning of heavy duty valves PN-16 rated for all valves, except for AHU valve station which shall be with PN-10 Rating valves as specified and adequately supported with required supports, nuts bolts, gasket etc and shown on the drawing complete with insulation as per specification. |
| 27 | (a) For 32 mm dia pipes |
| 28 | (b) For 25 mm dia pipes |
| 29 | 3-Way Diverting ON/OFF Valve: Supply, installation, testing & commissioning of insulated 3 way ON/OFF valves of forged brass body in a single body, flow regulation cartridge assembly shall be precision ground, 304 SS and shall be available in three KPaD control range, minimum flow range shall be capable of being activated by minimum 10 KPa & shall be capable of controlling flow with in ± 5% of rated flow. The actuator shall be for ON/OFF operation of valve & shall be suitable for 230 ± 10% V & 50± 3% Hz. The valve shall be complete with thermostat control box for precise control of the supply air to achieve requisite temperature inside the given space fitted with sensors in return air and contactors/breakers as required & control wiring. |
| 30 | (a) For 100 mm dia pipes (PTM1/2/3 Bldg AHU) |
| 31 | (b) For 80 mm dia pipes (PTM 4 Bldg AHU) |
| 32 | BALANCING VALVE WITH BUILT IN MEASURING FACILITY for 125mm dia pipes with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified with insulation as per specification. |
| 33 | NON-RETURN VALVE for 125mm dia pipes with dual plate of CI body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation as specified. |
| 34 | Y-STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified. |
| 35 | (a) For 125mm dia pipes |
| 36 | (b) For 100mm dia pipes |
| 37 | (c) For 80mm dia pipes |
| 38 | Providing and fixing in position the industrial type pressure gauges with gun metal / brass valves complete as required |
| 39 | Providing & fixing in position the mercury in glass industrial type thermometer. |
| 40 | Supply, installation, testing and commissioning of Automatic Air vents - 15/25mm dia. |
| 41 | OPEN EXPANSION TANK : Supply, installation, testing & commissioning of Open expansion tank of 3/5 ply PVC construction as per the specification complete with Heavy duty float valves, accessories & insulation with nitrile rubber as per specs. Capacity - 500 litres Note: The expansion tank shall be installed at highest level in the system by providing new MS support structure as per requirement cost of which is deemed to be included in the above quoted rates. |
| 42 | Supply, installation, testing & commissioning of Chilled water Flow Switches Notes: All valves and fittings/ fixtures shall be suitable for PN 16 rating. All motorized valves (butterfly, three / two way and ball valves) actuators shall be "BMS" compatible. All chilled water shall be duly insulated. |
| 43 | CONDENSOR WATER DISTRIBUTION SYSTEM Cooling Water Pumps with the following parameters : Supply, Installation, Testing and Commissioning of Horizontal End suction back pull out type, IE-3 motor rating, Cooling Water Centrifugal pump sets with Cast Iron casing & bronze Impeller & Shaft seals with TEFC motor suitable for 3 Phase, 415 V + 10 %, 50 c/s, AC Power supply, Necessary Cabling & Earthing Strip, mounted on common base frame etc. The pump shall be duly insulated, as per specifications. Technical Data : (1W+1S) Water Quantity - 462 GPM Static Head - 20 meters Speed - 1450 RPM Impeller - Bronze |
| 44 | CONDENSER WATER PIPE: Supplying, fixing, testing and commissioning of condenser water pipes including flanges, gaskets and bends/tees or fittings as required of following sizes of MS "C" class along with necessary clamps, vibration isolators and fittings such as bends,tees etc.but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect. Note:-The Pipes size 150mm & below shall be M.S. "C" class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 8mm thick MS sheet for pipes of 400 mm dia and above with GC Cloth and 2mm thick FRP Coating |
| 45 | (a) 150mm dia |
| 46 | (b) 50mm dia |
| 47 | (c) 40mm dia |
| 48 | BUTTERFLY VALVE (MANUAL) - Supplying, fixing, testing and commissioning of butterfly valve for 150mm dia pipes with CI body SS disc nitrile sheet & O-Ring & PN 16 pressure rating as specified. |
| 49 | Ball valves: Supply, installation, testing & commissioning of heavy duty valves PN-16 rated for all valves, except for AHU valve station which shall be with PN-10 Rating valves as specified including additional supports, nuts, bolts, gaskets etc. |
| 50 | (a) For 50mm dia pipes |
| 51 | (b) For 40mm dia pipes |
| 52 | BALANCING VALVE WITH BUILT IN MEASURING FACILITY for 150mm dia pipes with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified. |
| 53 | NON-RETURN VALVE for 150mm dia pipes with dual plate of CI body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating as specified. |
| 54 | POT Strainers Supply, installation, testing and commissioning of PN 16 Rating Pot Strainer for 150mm dia pipes, MS body, bolted cover, flanged ends, basket of bronze wire mesh 24G X 14 mesh for condenser water application complete with flanges, nuts-bolts, gaskets as specified and required. |
| 55 | Providing and fixing in position the industrial type pressure gauges with gun metal / brass valves complete as required |
| 56 | Providing & fixing in position the mercury in glass industrial type thermometers |
| 57 | Miscellaneous Supply, installation, testing and commissioning of Automatic Air vents - 15/25mm dia. Notes: All valves and fittings/ fixtures shall be suitable for PN 16 rating. All motorized valves (butterfly, three / two way and ball valves) actuators shall be "BMS" compatible |
| 58 | AIR HANDLING UNITS Supply, installation, testing & commissioning Of OUTDOOR Floor Mounted Horizontal Air handling units of following specifications: - Chilled Water Type AHU Frame Structure: It shall consist of 48mm Extruded Aluminium with thermal break profile Panel: 48 ± 2mm thick double skin sandwich panels with rockwool/PUF insulation of density not less than 40 kg/cum. The sheet thickness shall be minimum 0.8 mm for the outer skin and 0.6 mm thickness for the inner skin of GI. Mixing Box: shall be provided to enter return air in a closed loop with fresh air intake duct and damper Filtration Section: It shall be provided with 2 stage washable type of "G4" first stage and "F9" final stage (Combination Filters) Coil Section: Chilled Water Coil Multi row deep constructed with Aluminium/copper fins of minimum 0.11mm thickness and copper tubes of minimum 29 Gauge thickness. The coil section shall be equipped with factory fitted pressure independent control valves. The coil face velocity shall not exceed 2.5 m/s. Drain Pan: Condensate drain pan shall be fabricated from 18G SS 304 powder coated, insulated with 19 mm thick closed cell elastomeric insulation. Fan Section: Direct drive/Belt driven backward curved EC fan (Electronically commutated) with IP 55 protection and permanent magnet brushless DC motor for stepless variation of speed of fan based on temperature sensor inputs. The fan section shall be provided with limit switch/sensor controller for safety to shut off fan during opening of access door. Controller shall also have fire trip alarm to shut AHU in case of signal from fire panel. Quoted cost shall include control & starter panel, transformer for Energy valve, copper armoured cable from control panel to motor, copper earthing, copper armoured control cabling and hook up to its controller. The control & starter panel shall be complete with necessary control, including OLP, SPP, ON/OFF push buttons with ON indications, 2 Each non polarised NO-NC contacts tripping on signal from Fire Dampers/Fire Alarm Panel. ISP = 40 mm The AHU selection shall be: |
| 59 | (a) 65.2 AHU TR / 24463 CFM / 32 ESP (mm WG) / FM AHU |
| 60 | (b) 34.3 AHU TR / 13100 CFM / 32 ESP (mm WG) / FM AHU |
| 61 | Heater box: For fixing strip heaters Instrumentation Kit to be provided in starter control panel to give out the following option: 1. Supply air temperature 2. Return air temperature 3. Chilled water in temperature 4. Chilled water out temperature 5. DP switch across filter for "filter clog" Controller module with RS 485 port compatible with BMS, on board MOD BUS protocol with touch screen to display following: 1. EC fan operation status 2. Chilled water valve operation status 3. AHU power consumption 4. Chilled water in/out Temp 5. Common Alarm Humidistat & Strip Heaters: Fully automated humidity control system consisting of strip heater in steps of 3 KW and control panel. The manufacturer shall furnish a control box containing contactors & relays of appropriate current capacity/size, circuit breaker and appropriate Air conditioning application Humidistat to ensure precise humidity control of 60 +/- 5%. Heater control box shall be mounted on the designated hand side of the unit. |
| 62 | (a) 30 KW strip heater |
| 63 | (b) 18 KW strip heater |
| 64 | DUCTING, GRILLS, DIFFUSER AND INSULATION Supply, installation, testing & commissioning of FACTORY / SITE FABRICATED rectangular sheet metal ducts, as per specifications detailed in tender, made of Class VIII GP sheet as per SMACNA Standard for medium pressure air flow with MS angle / TDF flanges, supports, anchor fasteners, food grade gaskets and RTV sealant in accordance with the approved shop drawings. It is mandatory to use factory fabricated ducts/fittings for minimum 75% of the ducting system. Use of Site fabricated ducts should be restricted to only "to suit" pieces. Cold rolled sheets continuous galvanized sheet steel with zinc coating as per class VIII confirming to IS:277-2018 (where ever specified) of LFQ (Lock Forming Quality) grade. Galvanizing shall be of 120gms/sqm. (Total coating on both sides) The fabrication of the ducting system for air-conditioning & Ventilation shall confirm to SMACNA-1995 standards ("HVAC Duct Construction Standards - Metal and Flexible - Second Edition - 1995"-SMACNA). G.I. Sheet Metal Duct (Rectangular) as per SMACNA: |
| 65 | (a) Ducting - 22 G |
| 66 | (b) Ducting - 24 G |
| 67 | (c) Ducting - 26 G |
| 68 | Note: [i] Necessary opening in the walls shall be carried out for the installation of supply and return air ducts and all the opening shall be made good and sealed with water proofing mortar compound and matched with existing colour surface. [ii] The layout of the ducting system shall be approved by the Garrison Engineer before installation. |
| 69 | Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws, linkages, flanges etc, as per specifications. |
| 70 | Supplying, fixing, testing & commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring, the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. |
| 71 | (a) Fire Damper |
| 72 | (b) Actuator |
| 73 | Supply & installation of aluminium extruded powder coated square type (600mm x 600mm grid ceiling type) supply air diffusers with VCD and 32mm nitrile insulated plenum. |
| 74 | Supply & installation of aluminium extruded powder coated square type (600mm x 600mm grid ceiling type) return air diffusers without VCD and 32mm nitrile insulated plenum. |
| 75 | Supply, installation, testing & commissioning of 25mm thick thermal insulation of ducts with nitrile rubber. Density of Material shall be between 40 to 60 kg/cum. Material shall have flamabillity class V-0 as per UL 94 and shall be FM Approved. |
| 76 | Supply and installation of acoustic lining within supply air ducts with 32mm thick open cell nitrile rubber. |
| 77 | Data Logger: Supply, installation, testing and commissioning of temperature & humiditydigital data logger with memory to hold historical data of upto 3 months & audio visual alarm system including all sensors, cabling and wiring (Indor + Outdoor). |
| 78 | ELECTRICAL WORK |
| 79 | Supply, installation, testing and commissioning 3 phase and neutral, 415 volts indoor type, factory made free standing, floor mounting, dust and vermin proof cubical type, CPRI approved, LT panel fabricated from 2.0 mm indoor type thick CRCA sheet duly compartmentalized for each switch gear, front and rear open-able (front hinged opening), locking arrangement with chromium plated 19 mm dia locks (min 2 Nos in each compartment), lifting lugs of suitable size on top, louvers and air vent gasket for natural air, `U` shape rubber gasket, voltmeter, ammeter, Frequency meter. Panel should be anti corrosive coating and finally epoxy polyester powder coating of Siemens Grey shade (RAL-7032), Protection class IP 43, fully compartmentalized design with aluminium busbars (For AWS1/2/3 Plant) |
| 80 | (A) Incoming (i) MCCB, rating 200 amps, 36 kA, 440 volts 4 pole micro process based with connection of suitable rating for material"s breaking capacity and earth leakage protection. (ii) Digital voltmeter and ampere meter 96x96 mm as per rated capacity of incoming MCCB with suitable CT"s and with 3 way and off rotary type selector switch - 01 No. (iii) Three indication lamps 22.5 mm dia LED type for three phases with back up protection by 2 Amps MCB - 2 Sets (B) Outgoing - (i) 63 Amps, 3 pole, 415 V AC, 50 Hz, ultimate breaking capacity 25 kA, TM Based MCCB With On/Off/Trip indication and MFM Meter with CT - 02 Nos (Chillar No.1 & 2) - 1 Working + 1 Standby (ii) 40 Amps, TP, MCCB & DOL Starter 25 kA – 02 Nos, (02 Nos Chilled Water Pumps - 1 Working + 1 Standby). (iii) 40 Amps, TP, MCCB & DOL Starter 25 kA – 02 Nos, (02 Nos Condensor Water Pumps - 1 Working + 1 Standby). (iv) 32 Amps, TP, MCCB & DOL Starter 25 kA – 02 Nos, (02 Nos Cooling Tower - 1 Working +1 Standby) (v) 40 Amps, TPN, MCCB, 25 kA – 03 Nos,For AHU (vii) 63 Amps, TP, MCCB, 25 kA – 01 Nos, (For APFC - 25KVAR (Only Power Provision)) (viii) 32 A FP MCB - for local wiring Note: Minor changes in control panel for any extra/additional provisions as may be essentially required for successful commisioning and functioning of various plants and components as per the overall requirement to meet the specified air-conditioning perforamance shall be provided by the contractor without any additional cost to the department. |
| 81 | Supply, installation, testing and commissioning 3 phase and neutral, 415 volts indoor type, factory made free standing, floor mounting, dust and vermin proof cubical type, CPRI approved, LT panel fabricated from 2.0 mm indoor type thick CRCA sheet duly compartmentalized for each switch gear, front and rear open-able (front hinged opening), locking arrangement with chromium plated 19 mm dia locks (min 2 Nos in each compartment), lifting lugs of suitable size on top, louvers and air vent gasket for natural air, `U` shape rubber gasket, voltmeter, ammeter, Frequency meter. Panel should be anti corrosive coating and finally epoxy polyester powder coating of Siemens Grey shade (RAL-7032), Protection class IP 43, fully compartmentalized design with 400 A Al. Busbars (For P-5 Bldg AC Plant) |
| 82 | (A) Incoming (i) MCCB, rating 250 amps, 36 KA, 440 volts 4 pole micro process based with connection of suitable rating by materials Breaking capacity earth leakage protection. (ii) Digital voltmeter and ampere meter 96x96 mm as per rated capacity of incoming MCCB with suitable CT`s and with 3 way and off rotary type selector switch..- 01 No. (iii) Three indication lamps 22.5 mm dia LED type for three phases with back up protection by 2 Amps MCB.- 2 Sets (B) Outgoing - (i) 100 amps, 3 pole, 415 V AC, 50 Hz, ultimate breaking capacity 25 KA, TM Based MCCB With On/Off/Trip Indication and MFM Meter with CT - 02 Nos (Chillar No.1 & 2) - 1 Working + 1 Standby (ii) 40 Amps, TP, MCCB & DOL Starter 25 KA – 02 Nos, (02 Nos CHILLED Water PUMPS - 1 Working + 1 Standby). (iii) 40 Amps, TP, MCCB & DOL Starter 25 KA – 02 Nos, (02 Nos CONDENSER WATER PUMPS - 1 Working + 1 Standby). (iv) 32 Amps, TP, MCCB & DOL Starter 25 KA – 02 Nos, (02 Nos COOLING Tower - 1 Working +1 S/by) (v) 63 Amps, TPN, MCCB, 25 KA – 01 Nos,For AHU power provision only (vii) 63 Amps, TP, MCCB, 25 KA – 01 Nos, (For APFC - 30 KVAR (Only Power Provision) (viii) 32 A FP MCB - for local wiring Note: Minor changes in control panel for any extra/additional provisions as may be essentially required for succesful commisioning and functioning of various plants and components as per the overall requirement to meet the specified air-conditioning perforamance shall be provided by the contractor without any additional cost to the department. |
| 83 | AHU Panels (AWS-1/2/3): Supply, installation, testing and commissioning 3 phase and neutral, 415 volts indoor type, factory made free standing floor mounting or Wall mounting, dust and vermin proof cubical type, LT panel fabricated from 2.0 mm Indoor type thick CRCA sheet duly compartmentalized for each switch gear, front hinged opening locking arrangement with chromium plated 19 mm dia locks, louvers and air vent gasket for natural air, `U` shape rubber gasket, voltmeter, ammeter, Frequency meter. Panel should be anti corrosive coating and finally epoxy polyester powder coating of Siemens Grey shade (RAL-7032), Protection class IP 43, fully compartmentalized design with 150 Amp Al. Busbars and comprising following:- Incoming - 100 A MCCB FP35 KA with MF meter and dispalys Outgoing: (i) 25 A MCCB TP 25 KA - for AHU fan (i) 40 Amps, TP, MCCB, 25 KA – 01 No For Humidistat/ Heater control box (iii) 10 A SP MCB - for Thermosat and 3 way diverting valve control box |
| 84 | Note: 1. Minor changes in control panel for any extra/additional provisions as may be essentially required for succesful commisioning and functioning of various plants and components as per the overall requirement to meet the specified air-conditioning perforamance shall be provided by the contractor without any additional cost to the department. 2. Quoted cost shall include control & starter panel, transformer for Energy valve, copper armoured cable from control panel to motor, copper earthing, copper armoured control cabling and hook up to its controller. The control & starter panel shall be complete with necessary control, including OLP, SPP, ON/OFF push buttons with ON indications, 2 nos. non polarised NO-NC contacts tripping on signal from Fire Dampers / Fire Alarm Panel. 3. Controller shall also have fire trip alarm to shut AHU incase of signal from fire panel. |
| 85 | AHU Panels (P-5): Supply, Installation, testing and commissioning 3 phase and neutral, 415 volts indoor type, factory made free standing floor mounting or Wall mounting, dust and vermin proof cubical type, LT panel fabricated from 2.0 mm Indoor type thick CRCA sheet duly compartmentalized for each switch gear, front hinged opening locking arrangement with chromium plated 19 mm dia locks, louvers and air vent gasket for natural air, `U` shape rubber gasket, voltmeter, ammeter, Frequency meter. Panel should be anti corrosive coating and finally epoxy polyester powder coating of Siemens Grey shade (RAL-7032), Protection class IP 43, fully compartmentalized design with 150 Amp Al. Busbars and comprising following:- Incoming - 100 A MCCB FP35 KA with MF meter and dispalys Outgoing: (i) 32 A MCCB TP 25 KA - for AHU fan (i) 63 Amps, TP, MCCB, 25 KA – 01 No For Humidistat/ Heater control box (iii) 10 A SP MCB - for Thermosat and 3 way diverting valve control box |
| 86 | Note: 1. Minor changes in control panel for any extra/additional provisions as may be essentially required for succesful commisioning and functioning of various plants and components as per the overall requirement to meet the specified air-conditioning perforamance shall be provided by the contractor without any additional cost to the department. 2. Quoted cost shall include control & starter panel, transformer for Energy valve, copper armoured cable from control panel to motor, copper earthing, copper armoured control cabling and hook up to its controller. The control & starter panel shall be complete with necessary control, including OLP, SPP, ON/OFF push buttons with ON indications, 2 nos. non polarised NO-NC contacts tripping on signal from Fire Dampers / Fire Alarm Panel. 3. Controller shall also have fire trip alarm to shut AHU incase of signal from fire panel. |
| 87 | APFC: Supply, installation, Testing & Commissioning of fully automated power factor controlling APFC panel with all protection, displays and indicators and as per following capacity: 75 KVAR in steps of 2x25 kvar + 2x10 kvar + 1x5 Kvar |
| 88 | POWER CABLES - M&L for ISI marked 1.1 kV grade aluminium conductor, XLPE insulated armoured cables, conforming to IS:7098 (Part 1)-1988 having stranded aluminium compact shaped conductor laid in trenches or on cable trays as per Class 2, IS:8130-1984, PVC inner sheath, single armouring of galvanized steel strip/wire and PVC Type ST2 outer sheath conforming to IS: 5831- 1984, including termination complete as specified and directed. Make: RR Kabel, Polycab, Havells, RPG, Asian |
| 89 | (a) 3.5 core X 95 mm² (Chillers) |
| 90 | (b) 3.5 core X 50 mm² (AHU panel & Heaters * APFC Panel) |
| 91 | (c) 4 core X 16 mm² (Cooling Towers) |
| 92 | (d) 4 core X 10 mm² ( Pumps) |
| 93 | (e) 3 core X 6 mm² ( Local DB) |
| 94 | (f) 3 core X 1.5 mm² |
| 95 | (h) 3 core X 1.5 mm² |
| 96 | Cable Tray - Supply and installation of Hot Dipped Galavanised Ladder Type Tray 2mm thick Cable trays of following sizes: |
| 97 | (a) 400 W x 50 H x 2mm THK cable trays |
| 98 | (b) 200 W x 50 H x 2 mm THK cable trays |
| 99 | (c) 100 W x 50 H x 2mm THK cable trays |
| 100 | (d) 50 W x 25 H x 2mm THK cable trays |
| 101 | Earthing M&L for earthing complete with GI earth plate electrode of 60 cm x 60 cm x 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to copper strip of size 25 mm x 4 mm as earth lead, by means of bolts, nuts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40mm diameter, connected to earthing test point, all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. complete all as specified and directed by the engineer-in-charge. Notes: (i) The cost of GI earth continuity conductor with GI pipe 40mm medium grade upto 7.5m is deemed to be included in r/o above item. (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item. Note: Earthing shall be meshed together and will be terminated on two different wall mounted common bus/test link made of 50mm x 6mm GI strip with round holes for bolting of earthing connections. |
| 102 | Material and labour for 50 x 6 mm (GI Earth Strip) with suitable fixing arrangements. |
| 103 | Material and labour for 25 x 6 mm (GI Earth Strip) with suitable fixing arrangements. |
| 104 | Material and labour for 8 gauge GI wire with suitable fixing arrangements. |
| 105 | Note: Supply & installation of Structural Steel & Other Civil Works The scope of work for air conditioning system also includes all kind of civil works and complete supply, transport, unloading, shifting & fabrication of steel sections and erection of MS base frames, MS angle channels, flat, anchor fasteners etc. for supporting various items of equipment such as various panels/switchgear, dummy panels, adaptor boxes addition support for proper cable termination, MS fabricated cable trays, push button stations, junction boxes, DB etc. The scope include welding, bolting, chipping, grouting etc., including applying one anti-rust coat of approved primer and two finished coats of approved paint with primer & paint, breaking and finishing of walls, floors etc. Contractor has to apply one coat of anti-rust paint (red-oxide) before installation. The scope is inclusive of minor civil work as required, supply of GI hardware materials, consumables, tools & tackles and necessary labour with supervision but not limited to, and complete as per approved drawings, specification and directions of the engineer-In charge. The scope also includes transportation of material from owner’s issue point to actual place of work by contractor"s own lifting and transporting arrangement. The cost of all the above is deemed to be included in the quoted price against each item and nothing extra shall be payable to contractor. |
| 106 | COMPREHENSIVE MAINTENANCE OF AIR CONDITOINING |
| 107 | Comprehensive maintenance comprising of routine, preventive & breakdown maintenance of chilled water type central AC plant of capacity 3 x 120 TR installed, comprising of all devices and accessories through out 12 months on all days including sundays & holidays for a period of 03 years after expiry of defects liability period (i.e. 24 months after completion of all Phase II tests) all as specified and directed and as shown below:- |
| 108 | 1 year after expiry of defects liability period |
| 109 | 1 year after completion of BOQ item No 51.02 here-in-before |
| 110 | 1 year after completion of BOQ item No 51.03 here-in-before |
| 111 | (a) The Contractor shall be resposbible for periodical maintenance, as per standard maintenance schedule as mandated by various regulations & recommendations and specified including renewal/replacement of parts, fittings/ fixtures filling of refrigent gas etc. required for smooth fucntioning of the plant as per manufactureres instructions. The inspection and servicing of chillers & AHUs shall be carried out by OEM only and reported monthly. Non submission of insprction report would invite panel charges @ ?25,000/- as may be deducted by GE. |
| 112 | (b) All spares of minor/ major nature required to keep the plant in healthy functional state are considered to be included in the above mentioned annual maintenance. All defects shall be repaired promptly. Non-operation of plant due to any defect or inability to maintain the desired temperature and humidity inside the premises shall invite penal charges. The penalty applied will be @ ?1000/- per hour in case of repairs/rectification to achieve the requisite conditions are not completed within 12 hours of reporting by department. Not attending breakdowns which necessitates components/parts replacement shall be penalized as under :- i) Attending breakdown within 48 hours - ? Nil ii) Attending breakdown within 3 to 7 days - ? 5000/- per breakdown per day iii) Attending breakdown after 7 days - ? 10,000/- per breakdown per day Data loggers place at the premises will be referred in support of the functioning or non-functioning of the plant. |
| 113 | (c) The contractor is required to enter into a MOU with the OEM of chiller plant as well as AHU for providing comprehensive AMC inclusive complete coverage of the maintenance liability of the chiller units. The MOU shall be finalized before completion of the project and it shall cover the complete period of 5 years (2 years DLP and 3 years as per above schedule). |
| 114 | (d) The department reserves the right to keep an amount equivalent to total 16% of the chiller cost (@ 4% per annum AMC) as warranty money in case contractor fails to enter into MOU with the Chiller"s OEM. The department will be at liberty to enter into this kind of MOU directly with the OEM of chillers & AHUs and the liability so arising shall be adjusted against above mentioned reserve amount/payments due to contractor. |
| 115 | MANNING AND OPERATION OF CENTRAL AC PLANTS |
| 116 | Outsourcing of manning & operation services round the clock (consisting of three shifts) including sundays and holidays and operation of chilled water type central AC plants of capacity 3 x 120 TR including all connected electrical items such as main switch, starter, change over switch, MCCB, voltmeter, ammeter, panel board, cooling tower, condenser and water pump, valve system, controlling system, condenser, refrigerant line, adjusting valve, refrigerant valve, bypass valve, daily checking, leakage, checking noise, controlling temp. of plant, cleaning of plant and it"s surrounding area etc, by one Refrigeration Mechanic (Skilled) per shift for 03 shifts in a day each of 8 hours duration (0600 hrs to 1400 hrs; 1400 hrs to 2200 hrs & 2200 hrs to 0600 hrs) all as per manufacturer"s instructions and as specified and directed by the Engineer-in-charge. |
| 117 | 11 months after completion of work |
| 118 | 11 months after completion of BOQ item No. 52.02 here-in-before |
| 119 | 11 months after completion of BOQ item No. 52.03 here-in-before |
| 120 | 11 months after completion of BOQ item No. 52.04 here-in-before |
| 121 | 11 months after completion of BOQ item No. 52.05 here-in-before |
| 122 | 5 months after completion of BOQ item No. 52.06 here-in-before |
| 123 | NOTE:- (a) Complete hourly log sheets and data records shall be maintained by the operating staff. The log sheets shall show a minimum of hourly details of - which Compressor/CHW pump/CDW Pump/Cooling tower is in operation, current drawn by various machines, voltage levels, condition in AHU room and in the air conditioned premises, state of DG set running/testing/oil position etc. The log sheets shall also show and record any defect in any plant/sub plant clearly in the remarks column. Log sheets of previous 30 days shall be always maintained at plant room. |
| 124 | (b) The Contractor shall employ refrigeration mechanic having minimum ITI qualification from Govt Recognised institute with adequate knowledge & minimum 2 years experience in maintenance/operation of AC plants. The operator must be competent enough to carry out minor maintenance all as directed. (Total number of operators required per day are 03 nos.) |
| 125 | (c) Contractor shall pay the wages to the employees through e-payment i.e Adhaar linked bank accounts (credit to their bank account). Engineer-in-charge shall ensure that e-payment made to employees and their wages shall not be less than minimum wages fixed by state Govt or Central Govt whichever is more. Monthly e-banking statement shall be furnished by the contractor to the Engineer-in-charge and the same shall be kept in record duly verified. |
| 126 | (d) It is the responsibility of contractor to deposit the Employees Provident Fund (EPF) to the concerned authority as per the prevailing scales as laid down by Ministry of labour for all operator/helper (as applicable) and necessary proof to this regard shall be submitted to the Engineer-in-charge for verification & record. The quoted rates shall be deemed to included above provisions. In case contractor fails to produce the proof of EPF, the same shall be recovered from his dues as per the prevailing scale plus 15 percent by the department. |
| 127 | (e) The contractor shall maintain all the registers under various Labour Laws, 2017 rules and shall be produced before Engineer-in-Charge as well as officers detailed by Central Labour Department. (f) Each shift duration shall be 8 hours & duty timing will be decided by Engineer-in-Charge. (g) The unit rates quoted shall be deemed to include for cost of labour for daily routine maintenance for trouble free functioning of installation. |
| 128 | (h) In case of any abnormal noise/complaint, the plant should be put off and same should be brought to the notice of Engineer-in-charge. (j) The operator employed by the contractor shall be capable enough to carry out minor repair/ maintenance work & should have well experience in AC plants as applicable. (k) The quoted rate is deemed to be inclusive of cotton waste, cleaning material, etc. & the contractor will ensure general area cleanliness and upkeep of the installation on daily basis. |
| 129 | (I) The quoted rate is deemed to be inclusive of tools & testing instruments required for operation & maintenance of AC plants. (m) The rate quoted shall be deemed to include all safety gear & required tools for minor maintenance. In case of failure to provide tools kit & safety kit (spanner sets, hand gloves), a penalty of ?3000/- will be recovered and levied from the contractor. (n) The contractor shall not employ same tradesman continuously for more than 11 months during the Contract period. |
| 130 | (o) The contractor shall provide 02 uniforms to each operator and design of uniform should have been approved by the Engineer-in-charge. In case of failure, a penalty of?2,000/- per uniform will be levied and recovered from their dues. (p) In case of failure due to absence of operative staff, the contractor shall be liable to pay compensation at twice the cost of a day"s Manning & Operation derived from pro rate of Sch "A" quoted rates. (q) The Contractor shall maintain proper records of all kinds of daily, weekly, monthly, quarterly, half yearly and yearly or whatsoever maintenance is carried out during contract period in a binded book/register and shall obtain the signature of Engineer-in-Charge every fortnight. |
| 131 | (r) The contractor shall provide board at proper location near each installation duly writing the name of operators and mobile numbers shift wise. (s) The contractor shall provide saferty gears to AC plant operator and cost shall be deemed to be included in quoted rates. (t) In case of absence of operator from place of duty, a penalty @ ?3,000/- per shift shall be levied. (u) In case of operator found without proper uniform, a penalty @ ? 2000/- per day per operator shall be levied. |
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