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| 1 | Dismantling of complete defective AC plant with AHU and condensing unit,outdoor units etc of capacity 3 x 8.3 TR, Air cooled type including control panel, indoor unit, out door unit, copper tubing any size, duct, duct grill and all accessories complete including of all fittings, valves etc. including transportation for deposit to MES store yard at Minniebay from NAD. Note: The quoted rate deemed to include the cost of necessary T&P, transportation and manpower for dismantling, loading and unloading complete all as directed. |
| 2 | Central Air conditioning with AHU and Consensing units : Contd/-……… |
| 3 | Central air conditioning with AHU and Consensing units :Design, Supply, Installation Testing and Commissioning of Central air conditioning with AHU and condensing unit, air cooled type air-conditioning system of capacity 3 x 8.5 TR (2 x 8.5 TR working and 1 x 8.5 TR standby) for NAD storage shed to maintain inside conditions for year round at inside design condition DBT 24 ± 2°C and RH (55 ± 5) % with 2 air changes per hour as per floor plan suitable for climatic conditions of Andaman Nicobar Island. The units shall be air cooled, factory fabricated and factory assembled and shall be capable maintain the given temperature & RH complete as per specification given here under :-OUTDOOR UNITDesign, supply, Installation Testing and Commissioning of outdoor units comprising of 8.5 TR, side dischargeOutdoor unit of Model No. DSA1021R3 - 03 Nos of Blue Star or equivalent in Carrier/ Trane/ York including vaccumising , Gas charging of Modular type units having actual capacity suitable outside temp and providing non stop cooling.Outdoor units shall comprise of highly efficient scroll compressors, with heat exchanger, low noise condenser fan control complete as per OEM specifications. Contd/-......... |
| 4 | Note -1. After installation Leakage test for copper pipe will be done before gas charging..2. Pressure testing & charging of environmentalfriendly refrigerant gas as per OEM design of complete AC system will be performed as required at site.3. ODU with necessary stand and foundation shall be installed at suitable location as directed by dept. Contd/-........ |
| 5 | Design, Supply, installation, testing and commissioning of factory built, floor mounted double skin DX type, Air handling unit (AHU) of minimum cap 17 TR of minimum cap 6800 CFM , SP 65mm wg or as per OEM design - 01 Nos complete with specifications and capacities as under :-(a) Panel Construction and Casing as per OEM design.(b) Panel: Panel shall be double construction, CFC free PUF insulation panel 25mm thick having density 40 ± 2 Kg/M3. factory injected by injection moulding machine.Outer skin-----0.6 mm thick pre coated GI sheet.Inner skin ----0.6 mm thick plain GI sheet.(c) AHU shall have Water Tight Positive Pressure access/ service door duly interlocked with fan. AHU shall have Thermally insulated totally sealed glass inspection window. Door shall be hinged type, hinged shall be casted powder coated zinc alloy. Flush Lock and Handle shall be of glass fiber reinforced polyamide . Inspection lamp with limit switch .(d) Base Frame : Base frame made of G.S.S.(e) Filter Section : Filter section with 50 mm thick box type pre- filter (MERV-8). Pre filters shall haveefficiency 90% down to 10 micron. Make : as per manufacturer design.(f) AHU make shall be of OEM approved any channel partner as per design.Contd/-.......... |
| 6 | (g) COIL SECTION : The interwined type DX cooling coil having 8 Rows Deep having suitable coil correspond to each ODU , copper tubes of suitable dia with thickness as per OEM recommendations, with aluminium fins & 2 Row deep water cooled heating coil. The Drain Pan material shall be SS-304 and drain Pan thickness 20 gauge duly insulated with 13mm closed cell Nitrile insulation for drain tray.(h) FAN SECTION :(i) Blower Section with blower DIDW Forward/ backward curved centrifugal fan with suitable capacity T.E.F.C motor.(ii) Fan shall be dynamically trim (Two stage) balanced to ISO1940 and AMCA 204/3 - G2.5 quality gradeafter assembly.(iii) Fan Impeller should be made as per OEM recommendations.(iv) Fan assembly should be mounted on Cushy foot mounted Vibration isolator.(v) Fan performance curve should be of Single RPM curve. It should not be multi RPM curve.Make of Fan : Nicotra/Kruger/Greenheck.Make of Motor : Siemens/Bharat Bijlee/Havells.(Flame Proof)Contd/-.......... |
| 7 | (vii) AHU manufacturer should not fabricate Fan motor structure etc at their manufacturing unit and theyshould supply entire assembly from fan manufacturer.(viii) Quoted rate inclusive for provision of one spare AHU flame proof motor and fan motor for redundancy.(ix) All motors shall be flame proof.Contd/-.......... |
| 8 | Design, Supply and Installation of AHU Expansion kit having (Expansion valve, dryer, shut off valves & site glass) (sets 03) for Outdoor unit 8.5 TR cap complete as specified as per OEM recommendation for automatic control of temp & RH with suitable mounting arrangement & necessary safety protection as per OEM recommendation.Make:- Danfoss/ EmersonContd/-.......... |
| 9 | Design, supply, installation, testing/ commissioning of cubical compartment type wall mounted electrical control panel for AHU starter,with necessary switchgear, starter and protection for AHU complete all as specified and directed as per recommendations of OEM. CPRI APPROVED - 01 Nos.Contd/-.......... |
| 10 | Design, supply, Installation, testing and commissioning of Interconnecting refrigerant copper pipe of minimum size 28.6 mm dia (OD) or any nearest higher size as per OEM diesign with required fitting like elbow ,couplers ,tee , joints, brass fitting,\"U\" loops etc work with closed cell elastomeric nitrile rubber tubular insulation 19mm thick between AHU & outdoor units as per specifications, all piping shall be properly supported with MS hanger as per specifications and as standard Engrs practice. (approx 45 RM or any length as per site requirement). Contd/-.......... |
| 11 | Design, supply, Installation, testing and commissioning of Interconnecting refrigerant copper pipe of minimum size 12.7mm dia (OD) or any nearest higher size as per OEM diesign with required fitting like elbow ,couplers ,tee , joints, brass fitting,\"U\" loops etc work with closed cell elastomeric nitrile rubber tubular insulation 19mm thick between AHU & outdoor units as per specifications, all piping shall be properly supported with MS hanger as per specifications and as standard Engrs practice. (approx 45 RM or any length as per site requirement). Contd/-.......... |
| 12 | Design, Supply, Installation, testing and commissioning of 40mm dia UPVC piping pressure rating 10 kgf/cm2 (IS No- 4985) complete with fittings, supports complete as per specifications and as directed. (approx 5 RMor any length as per site requirement).Contd/-.......... |
| 13 | Design , supply, installation, testing, balancing and commissioning of supply air ducting and return air ducting system made of factory GSS sheet of thickness 22 Gauge confirming to IS: 277 with Zinc coating of not less than 120 grade, site fabricated as per SMACNA-1995 standard and as per IS:655 , complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications complete and quantity as required at site. Make: Sail/Tata/Jindal.Contd/-.......... |
| 14 | Design , supply, installation, testing, balancing and commissioning of supply air ducting and return air ducting system made of factory GSS sheet of thickness 24 Gauge confirming to IS: 277 with Zinc coating of not less than 120 grade, site fabricated as per SMACNA-1995 standard and as per IS:655 , complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications complete and quantity as requiredat site. Make: Sail/Tata/Jindal.Contd/-.......... |
| 15 | Supply, installation, testing and commissioning of closed cell Nitrile rubber insulation 13mm thick ofdensity min 40 - 60 kg/m3 with proper adhesive complete as per specifications and quantity as requiredat site. Make : A-Flex/Kflex/Armaflex/AccoflexContd/-.......... |
| 16 | Supply and Application of internal acoustic lining of 10 mm thick over supply air ducting using open cellnitrile rubber insulation with density within 30-40 Kg/m3, quantity as requiredat site.Make : A-Flex/Kflex/Armaflex/ AccoflexContd/-.......... |
| 17 | Supply and fixing alumimium grill for supply air complete with coller damper , quantity as requiredat site, all as specified and directed. Make Systemair /caryaire /Trox/ Mapro/DynamicContd/-.......... |
| 18 | Supply and fixing alumimium grill for return air without collar damper complete quantity as requiredat site all as specified and directed. Make Systemair /caryaire /Trox/ Mapro/DynamicContd/-.......... |
| 19 | Supply & fixing of opposed blade G.I construction volume control dampers adjustable type with quantity as requiredat site,as per approved and specifications.Make Systemair /caryaire /Trox/ Mapro/DynamicContd/-.......... |
| 20 | Supply & fixingfire dampers in both Supply & return duct as per approved drawings and specifications.Make Systemair /caryaire /Trox/ Mapro/DynamicContd/-.......... |
| 21 | Supply and fixing Fire retardent non porous double layer flexible canvass connection between eachindoor unit and duct as per approved drawings and specifications. (Quoted rate shall deemed to include the costof dismantling of exisitng false ceiling is any and provn of new ceiling considered as per site requirement)Contd/-.......... |
| 22 | Supply and fixing control wiring of PVC insulated 7 core x 1.5 sqmm copper conductor (confirming to IS) in PVC concealed/surface conduits medium grade inclusive of all tees, bends, elbows, reducers and accessories between indoor and outdoor unit complete all as specified and directed.Contd/-............ |
| 23 | Supplying and laying/ fixing of XLPE insulated and PVC sheathed copper conductor unarmoured cable as required of 1.1 KV grade for power wiring of 4 core x 10 sqmm through pipe/ in duct/ on surface complete all as specified and directed. Contd/-............ |
| 24 | Supplying and laying/ fixing of XLPE insulated and PVC sheathed copper conductor unarmoured cable as required of 1.1 KV grade for power wiring of 3 core x 6 sqmm through pipe/ in duct/ on surface complete all as specified and directed. Contd/-............ |
| 25 | Supply & fixing of MS ODU stands complete all as specified and directed. Contd/-………….. |
| 26 | Envinronmental friendly Refrigarant gas charging with proper T&P as per standard engineering practice complete all as specified and directed. Contd/-………….. |
| 27 | Hot Water Generators : -Design, Supply, installation and commissioning of electrical hot water generator equipped with sufficient no. of flanges and electric immersion heaters. The pressure vessel shall be constructed as per ASME standards and insulated on all sides with 2 layers of 50 mm thick fiberglass with 28 guage aluminium cladding as per specifications. The hot water generator shall be equipped with all automatic and safety controls such as manual reset, high temperature water outlet, step controller and recycling relay, on/off switch type thermostat, pilot light, low water cut off and other controls as per manufacturers recommendations. All basic control and terminals shall be located in an integral control abinet factory wired and tested. The hot water generator shall be suitable for 415+/- 10% volts/50 cycles, 3 phase power supply. The entire hot water generator shall be factor assembled and tested of cap 32 KW water in -110 Deg F Water out -120 Deg F. Make:- Rapid cool/ Thermax/ KEPL/ AO Smith Contd/-………….. |
| 28 | Design, Supply, installation, testing and commissioning of hot water monoblock type centrifugal pump, capable of 2 LPS discharge at 18-20 MWC head, having cast iron casing, enclosed type dynamically balanced bronze impeller, SS shaft, mechenical seal, deep groove ball bearings, etc. with TEFC squirrel cage induction motor having class \"F\" insulation 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 and other necessary accessories complete all as specified and as directed. (1 working 1 standby). Make:- Kirloskar/ Jyoti/ Beacon/Granfoss/Wilo Contd/-………….. |
| 29 | Design, Supply and fixing of hot water piping with MS, Heavy Grade(class C) ERW pipes, including all weldable fittings for butterfly valves, NRVs & \"Y\" strainers interconnection between HWG, Hot water pumps with AHUs heating coil units. Hot water piping shall be insulated with 19mm thick nitrile sheet Aluminium sheet cladding faced with necessary steel supporting structure complete all as specified and as recommended. Make of pipe :-Jindal/ TATA/ Parkash Surya and Make of insulation :-A- Flex/ K-Flex/ Armaflex/Accoflex Contd/-………….. |
| 30 | Supply and fixing of Ball/ Butterfly valve of PN 1.6 of size 32mmMake:- Deepak/ Sant/ Kartar/ Advance/ Castle/ Kirloskar Contd/-………….. |
| 31 | Supply and fixing of NRV of PN 1.6 of size 32 mmMake:- Deepak/ Sant/ Kartar/ Advance/ Castle/ Kisrloskar Contd/-………….. |
| 32 | Supply and fixing of Y Strainer of PN 1.6 of size 32 mmMake:- Emerald/ sant/ Rapid Strain/ Castle/ Kisrloskar Contd/-………….. |
| 33 | Supply and fixing of Three way Mixing valve of 32 mm size with motorised actuator and modulating control for AHU including control wiring of suitable size as per OEM.Make of valve:- Rapid control/ Honeywell/ Belimo/Siemens Contd/-………….. |
| 34 | Supply and fixing of Auto air vent of size 15 mm. Make:- Rapid cool/ Anergy/ Honeywell Contd/-………….. |
| 35 | Supply and fixing of Pressure gauge of 100mm dia.Make:- Febig/ H Guru Contd/-………….. |
| 36 | Supply and fixing of Stem type thermometer (Brass).Make:-Febig/ H Guru Contd/-………….. |
| 37 | Structural steel for duct supports, panel, AHU etc complete as per OEM design. Contd/-………….. |
| 38 | Note for Item No 2.0 to 2.35:-(a) The quoted rate shall deemed to include the costof designing the AC plant including heat load calculations, duct design, diffusers, hot water generator, refrigerant piping, controls etc complete as per ASHRAE standards and STEC pamphplets. Duly completed design drawings with specifications shall be got approved from any IIT/NIT/ any govt institute/agency/ NABL agency/ ASHRAE/ ISHRAE certified agency and shall be submitted to Accepting Officer for final approval before execution of work. (b) The quoted rate inclusive of all equipments, controls wiring, switchgears, ducts,complete refrigerant piping, hot water piping, make up water tank piping etc complete as specified and mentioned above with quantity as required at site and any other materials required for making the AC plant fully functional to satisfaction of Department. Quoted rate shall deemed to include the costof24 Hrs Phase-I testing and 72 Hrs phase-II testing during Summer and monsooncomplete through Sr IEM/any testing Officer nominated byHQ CE (A&N) Zone through Accepting Officer. Provisional completion will be issued after completion of phase-I testing and an approx amount of 10% quoted rate will be kept reserve for phase-II testing. Final Completion and Final Bill shall be processed after successful completion of Phase-II testing Contd/-.... |
| 39 | Note for Item No 2.0 to 2.35 Contd.....:-(c) The quoted rate shall deemed to include the cost of all necessary foundations, structural steel for supporting of ducts, control wiring,control panel with switchgears,making good of disturbed surfaces such as flooring with tiles & mat, false ceiling etc complete. (d) The quoted rate inclusive of comprehensive maintenance of AC plant during defect liability period and the contractor shall depute service engineer alongwith staff for preventive maintenance for minimum once in three months in addition to breakdown call complete and contractor shall keep one set of spares for emergency maintenance inorder to avoid any breakdown of plant and ensuring 24x7 running of AC plant.(e) Contractor shall deploy adequate technical staff to operate the plant 24x7 continuously till completion of all the Phase-II tests and quoted rate shall deemed to include the cost of same. |
| 40 | Supply, installing, testing and commissioning of LT feeder pillar box factory made, outdoor type, double door type, slopy canopy, fabricated out of 3.15mm thick CRCA sheet with angle iron frame made of minimum 50 x50 x 6mm at vertical corners or as per OEM design & suitable size of channel frame at base of Panel board floor mounted, dust and vermine proof, suitable for voltage 415 V 3 Phase 4 wire weather proof, with IP-54 protection, with separate hinge door for each compartment with locking arrangement, with back door common openable (Screwed), groutedin PCC (1:2:4) type B1 complete including paintingwith two coats of epoxy powder paint over a coat of primer after under going a rigorous metal treatment process involving alkaline degreasing, descaling in dilute sulphuric acid or any other acid and phosphate and with 300 Amps rated aluminium busbar (TPN), suitable double compression copper cable glands and includingprovn of the following:-Note: The panel shall be of similar CPRI type tested paneland cost of foundation for LT panel board is deemed to be included in panel board.Quoted rate inclusive of dismanlting old panel, disconnecting existing cables and reconnection wherever required.Contd/-................ |
| 41 | (a) MCCB 200A, 25KA, FP with Thermal magnetic release,lcs=100% lcs -01 Nos.(b) MCCB 63A, 16KA, FP with Thermal magnetic release,lcs=100% lcs -04 Nos.(c) MCB TPN 16Amp-03 Nos.(d) Digital Multifunction meter of size 96x96mm suitable for measuring Amps, Voltage, KVA, KWH etc complete- 01 Nos Make: L&T/ Legrand/ Schneider/Siemens (e) RYB LED indicator- one set.(f) Aluminium Bus bar 300-A- mounted on porcelain insulator - 01 Set ( Set of 4 Nos) with PVC sleeve insulation. |
| 42 | Material and labour earthing with steelearth plate electrode ofsize 60x60cmx6mm thick buried directly in ground to a depth not less than 2.25mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to galvanized iron strip of size 32x6mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full lenght of earth plate,40mm dia GI tubing light grade protection pipe upto test point, 20mm dia GI watering pipe with funnel and wire mesh, PCC pit 1:3:6 with pit cover of size 30X30 cm made of RCC 1:3:6 with 8mm dia bars & with 6 mm dia size MS handle,angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate, earth work in any type of soil, removal of excavated soil and returning filling in all as required at site complete all as specified in plate No 3 of SSR Part-I and all as specified orindicatedincludingtesting on completion.NOTE :-Rates inclusive of necessary excavation in any type of soil, earth work, PCC pit, CI cover, funnel with watering pipe, suitable size of light grade GI Protection pipe for earth strip in ground, GI earth strip upto 7.5 m long for connecting totest point etc. all as required at site for complete earthing). |
| 43 | Supply, laying and testing of LT UG cable,XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 3.5 core x 150 Sqmmcomplete all as specified and directed including dismanlting old one. Note:- Earth work, DWC pipe for cable protection,GI pipe protection for road crossings will be measured and paid separately under relevant items. |
| 44 | Excavation in trenches in any type of hard/dense soil n exc 1.5 mtr in width and n. exc 1.5 mtr in depth and getting out all as required for laying of cables,Foundation filling of poles or stays complete all as specified and directed. |
| 45 | Returning filling, in including spreading ,leveling, watering and well ramming in layers not exc 25 cm each complete all as required. |
| 46 | Removing excavated material to a distance not exceeding 50 meters and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed. |
| 47 | S&F GI pipe of medium grade 63 mm dia all fitting fixture for fixing with wall and road crossing etc. complete all as specified and directed. |
| 48 | M&L for Cutting the tarmac / hard standings and excavating in trenches across the road for laying cable including making good the excavated portion by means of PCC 1:3:6, type C2 matching with the surroundings complete all as specified and directed. |
| 49 | Supply & Laying as in repair ofDWC (Double Wall corrugated) HDPE pipe ISI marked of outer dia of 77 mm and inner dia 63 mm polythylene including coupler & Bend with smooth internal and profiled external surface for non pressue under ground cable complete all as specified and as directed. |
| 50 | S&F as in repairs for cable jointing kit for 1100Voltgrade cable for indoor / outdoor end termination joint kit, heat shrinkable type joint complete with jointing materials and accessories suitable for LT, XLPE armoured aluminium conductor cable of size 150 to 185 Sqmm 3.5 Core complete all as specified and as directed. |
| 51 | S&F as in repairs for cable jointing kit for 1100Voltgrade cable for Straight through, heat shrinkabletype joint complete with jointing materials and accessories suitable for LT, XLPE armoured aluminium conductor cable of size 150 to 185 Sqmm 3.5 Core complete all as specified and as directed. |
