Special Repairs / replacement of BER AC plant located at Bldg Library and IT EDP at ND V

Amount

Supplay, install, testing and commissioning of water cooled ductable package 16.5 TR (Make: Blue star model No @DPW1983R2 / or equivalent in Carrier / Hitachi / Mitsubasi (one running and one standby for Library and one running and one standby for EDP ) airconditioner fitted with scrool compressor, water cooled condenser thermistatic expansion value, direct expansion evaporator coil, all controls and microprocessor pendant control including 407°C refrigerant, Gas charge complete all as specified and directed

Supply, install, testing and commissioning of canvass connection of suitable size for indoor units complete all as specified and directed

Supply, install, testing and commissioning of 25 mm dia High density PVC drain piping complete all as specified and directed

Supply, install, testing and commissioning of GI volume control dampers piping of suitable size complete all as specified and directed

Supply , install, testing and commissioning of LT cubicle panel board indoor type floor mounted made with 2 mm thick CRCA sheet, chemically trated, epoxy power coated, CPRI approved factory made dust and varmin proof, individual cabinet with door for all switch gear, starter, busbar,cable trey including all necessary cable connection to compressor motor, water pumps, cooling tower, AHU and other misc items all as specified and directed complet with following switch gears :- Incoming : Motor protection MCCB with Micrologic 2M, 3 pole, 50 KA, 150 Amp - 1 No Make : Schneider, CAT No. LV430988 or equivalent of L&T / Legrand / ABB Outgoing : (i) Motor protection MCCB with Micrologic 2M, 3 pole, 36 KA, 50 Amp - 2 No Make : Schneider, CAT No. LV429827 or equivalent of L&T / Legrand / ABB (for compressor motor) (ii) Motor protection MCCB with micrologic 2M, 3 pole, 36KA, 25 Amp-4 No. Make: Schneider, CAT No. LV429828 or equivalent of L&T / Legrand / ABB (for water pump, CT fan motor and one spare) (iii) Automatic star delta starter suitable for 18.5 TR compressor motor with overload, under voltage, over voltage, short circuit and single phasing protection - 02 Nos. Complete motor starter items are of make : L&T/ C&S/ ABB/ CG. Protection items are of make : L&T / C&S/ ABB/ CG/ Minilec (iv) Automatic star delta starter suitable for water pump and CT fan motor with overload, under voltage, over voltage, short cirtuit and single phasing protection - 04 Nos (3 + 1 spare). Complete motor starter items are of Make : L&T/ C&S/ ABB/ CG. Protection items are of make : L&T / C&S/ ABB/ CG/ Minilec

Supply, lay and connecting up electrical cabling using copper cable of size 6 core 1.5 sqmm for inter connecting between electrical panel and indoor unit complete all as specified and directed

Supply, installation, testing and commissioning of condenser water end suction back pull out pumps with mechanical seal, CI body, mounted on common base with electric motor properly aligned for recirculating chilled water for central air conditioning suitable for 16.5 TR (open loop) total head 25 Mtr, (one working and one standby) complete all as specified and directed. [Make Kirlosker/KSB/BE/Grundfoss/Armstrong/CG]

Supply, assembling, installation, testing and commissioning of induced draft- crossflow design cooling tower with tower and basin, PVC fills, fan motor with impeller, fan motor and gear/direct drive suitable for 16.5 TR package type chiller AC plant complete with all necessary accessories complete all as specified and directed (Make Advance/paharpur/mihir/Polo)

Supply of condenser water piping of 100 mm dia duly made out of MS 'C' class pipe dully two coat of enamel painted, with necessary fittings complete all as specified and directed:- Make : Tata/Jindal/Sail, Insulation outdoor make : Berdcell or equivalent.

All as per item No. 9.00 above but 80 mm dia

Supply, installation, testing and commissioning of manual butter fly valve of 100 mm dia , rating PN-16, cast iron body, SGI (Nylon coating) disc with hand liver operated with necessary flangess and fittings complete all as specified and directed. Make : Advance / Audco / Kirloskar / Fountain

All as per item No. 11.00 above but 80 mm dia

All as per item No. 11.00 above but 50 mm dia

Supply, installation, testing and commissioning of rubber below with necessary flanges, nuts and bolts, PN-16 of 80 mm dia complete all as specified and directed. Make : Cori or equivalent

Supply, installation, testing and commissioning of dual plate check valve of 80 mm dia rating PN-16, cast iron to IS 210 Gr FG 260 body, SS-410 plates, SS-410 hinge/stop pin SS 316 springs (S) Buna-N seal to ANSI 125 (m,odel 11 water type complete all as specified and directed. Make :- Advance/Audco or equivalent.

Supply, installation, testing and commissioning of MS 'Y' strainer of 80 mm dia complete with stainless steel bucket having 03 nn perforation, flanged ends, filteration area 1:4 series EYSM -105 complete all as specified and directed. Make :- Emerald Advance/Audco or equivalent.

All as per item No. 16.00 above but 50 mm dia.

Supply, installation, testing and commissioning of fabrication and errection of rectangular GI ducting of 22 gauge for supply and return air all as specified and directed. Make: Jindal/Tata/Sail Note: Drawing for ducting showing lay out shall be submit before errection by the contractor for approval of the Engr-In-Charge

All as per item No. 18.00 above but for 24 Gauge

Supply, installation, testing and commissioning of 10 mm thick open cell rubber insulation for total duct acoustic insulation all as specified and directed

Supply, installation, testing and commissioning of 12 mm thick closed cell rubber covered with aluminium foil for thermal insulation to total ducting complete all as specified and directed

Earthing of electric equipments with galvanised steel earth plate electrode 600 x 600 x 6mm burried directly in ground earth pit not less than 2.25m deep below normal ground level, connecting to and incluiding GI strip 32 x 6mm (up to the body of the equipment ) by means of two GI bolts/nuts/washers. Earth plate shall be surrounded by packed layers of charcoal dust and common salt 15cm thick all around bottom and top and waterning pipe 50mm dia projected 30cm above the GL with one socket and removal GI plug on top X 2.25 meters light grade perforated galvanised steel top with socket and plug and bottom connected to earth plate by slit and two bolts/nuts/washers. Earth strip shall be protected by 40mm bore GI light grade pipe to test point/equipment complete all as specified & directed including Earth work, GI pipe etc.-02 jobs is deemed to be included in the quoted rate.

Supply, laying and connecting up GI iron strip 32 X 6 mm complete all as specified & directed.

Supply, laying and connecting up GI iron strip 25 x 4 mm complete all as specified & directed

M&L for cement concrete work in foundation filling and mass concrete type B2, 1:2:4 using 40 mm graded aggregate complete all as specified & directed

Taking down exsting BER central AC plant (One running and one standby from Library and one running and one standby from IT EDP) with pumps,cooling tower, condenser/chiller pipe, AHU, electrical LT panels, cables and same deposit to AGE E/M store yard rate included for labour and transport complete all as specified & directed

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