SPECIAL REPAIR TO SPLIT/WINDOW AC AGAINST BER AT AF STN BAGDOGRA

Amount

Taking down carefully unserviceable sub main wiring of any size/core/type including making good the disturbed surfaces.

Taking down DB's,Main Switch,earth plug & socket including MCB's etc all as directed.

Fixing and testing only Window air conditioning of capacity 1.5/2.0 TR from MES store yard to existing location at 20 Wing complete all as specified and as directed. Note : Window air conditioner will be issued free of cost under Sch 'B' stores

Fixing and testing only Split air conditioning of capacity 1.5/2.0 TR from MES store yard to existing location at 20 Wing complete all as specified and as directed. Note : Split air conditioner will be issued free of cost under Sch 'B' stores

Supply install, testing & commisioning of Variable Refrigerant Flow modular type airconditioning system suitable for operation with R 410a referigerant and having capacity VRF Outdoor Units with all inverter compressor 6 HP (4.8 TR) Side Discharge -01 No and Indoor Units Hi-Wall Type with Cordless Remote Controll of capacity 1.0TR(1.25 HP)-5 Nos complete with indoor and out door units with individual controller as per detail given in specifications and having following items . All inverter multiple scroll compressors,in each module unit able to operate in case of break down one compressors,with heating and cooling mode, air cooled condenser with protective coated fins . low noise propeller type fan with motor , auto address setting,auto check function for connection error,electronic expansion valve,refrigerant cooled PCB,outdoor mounting frame,micro processor panel and other standard accessories as per specification.The unit shall be operational in very very silent mode(approx 40 db) in night time operation.(Note- Installation ,Testing and commissioning charges are included for ser item No-10 to 14)

Supply only 25.4mm size CU referigerant pipes duly insulated with 19mm close cell elastomeric nitrile rubber insulation between each set of outdoor and indoor units complete all as specified and as directed.

All as per item No.6 above, but 22.2 mm size pipe

All as per item No.6 above, but 15.9 mm size pipe

All as per item No.6 above, but 2.70 mm size pipe

All as per item No.6 above, but 9.5 mm size pipe

All as per item No.6 above, but 6.4 mm size pipe

Supply only imported distribution joint for VRF system complete all as specified and as directed.

Supply only refrigerant gas R-410a for initial charging of VRF typr Air Conditioner complete all as specified.

Supply only hard CPVC drainage pipe medium class (for drainge of water from IDU) of the 25 mm size with 9 mm thick nitrile rubber elastomeric complete all as specified and as directed.

Supply only 3 Core x 1.5 sqmm copper cable with conduit for communication cabling between ODU and IDU as per OEM specification with all fitting on roof/wall /ceiling making good of wall/floor with cement plaster in cement morter(1:6) and distemparing/white washing to match the existing surface complete all as specified and directed by the Engineer-in-charge.

M &L for sub main wiring with PVC insulated unsheathed copper conductor FRLS cable of size 10 Sqmm four core in and including pvc conduit 25 mm dia on wall including 10 sqmm two core insulated unsheathed copper conductor cable for continuous earthing form main earth dolly complete all as specified & directed.(For VRF Outdoor Unit) Note :- Four runs of 10 Sqmm copper cable one run of 10 Sqmm two core copper cable and PVC conduit will be measured as one unit.

M &L for sub main wiring with PVC insulated unsheathed copper conductor FRLS cable of size 2.5 Sqmm two core in and including pvc casing caping on wall including 2.5 sqmm insulated unsheathed copper conductor cable for continuous earthing form main earth dolly complete all as specified & directed. (For VRF Indoor Unit) Note :- Two run of 2.5 Sqmm copper cable one run of 2.5 Sqmm copper cable and pvc casing caping will be measured as one unit.

S & F DB with sheet metal enclouser 415 volts, 4 way with 200 Amp rated bus bar three pole & neutral double door incl fixing on suitable rectanguler block complete.(For VRF Outdoor unit)

Supply and fix distribution board sheet metal enlosure double door shutter type factory made fixed flush with wall or outside on wall surface suitable for mounting isolators & MCB's 240 volts, 200 Amp rated bus bar with front openable cover suitable for SPN 4 ways double door complete all as specified & directed.(For VRF Indoor unit)

S & F MCB ,TPN of 415 volts ,AC ,50 Hz of capacity 6-32 Amps 10 KA rupturing capacity complete all as specified and as directed.(For VRF Outdoor unit)

Supply and Fixing in replacement of MCB SP 6-32 Amps, 230 Volts, 50 Hz with 10 KA ,'C' series complete all as specified & directed.(For Indoor Unit)

M & L in replacement Earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm X 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the GI strip 25 x 4mm, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 40 mm incl provision of concrete pit in PCC (1:2:4) type B-1 using 20 mm graded stone aggregated with 40 mm thick cover with RCC (1:2:4) reinforced with XPM (weight not less than 4 Kg / Sqm) and frame of angle iron 25mm X 25 mm X 3mm with lugs 2 Nos and with 6 mm dia MS bar handle made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, taste point made out of phosphorus bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exceeding than 50 mtr, all as per electric plate No 3 of SSR Part I 2009 and connection to earth test point all as specified incl testing on completion”.

S & F sheet metal enclosure single pole and neutral enclosure with a two pin and earth plug & socket complete with one single pole MCB 20 Amp complete all as specified and as directed.

M &L for sub main wiring with PVC insulated unsheathed copper conductor cable of size 6.0 Sqmm two core in and including PVC PVC casing caping on wall including 6.0 sqmm insulated unsheathed copper conductor cable for continuous earthing form main earth dolly. Note :- Two run of 6 Sqmm copper cable one run of 6 Sqmm copper cable and PVC casing caping will be measured as one unit.

S&F Copper refrigerant pipe of size 3/8”(9.5 mm OD) complete all as specified.(For Split AC)

S&F Copper refrigerant pipe of size 1/4”(6.4 mm OD) complete all as specified.(For Split Ac)

S&F Copper refrigerant pipe of size 1/2”(12.7 mm OD) complete all as specified.(For Split AC)

S&F 15mm drain water pipe including provision of saddles/clamps upto 100 mm above the ground level. (For Split AC)

S&F AC outdoor unit mounting bracket for split AC 1.5/2 TR complete all as specified and s directed.(For Split AC Outdoor Unit)

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc., required for complete and proper execution of the work. Refer Schedule A notes for details.

KD SAHA and CO.INDIA

M/S SARKAR ELECTRIC

M/S East India Traders

Shree Ram Construction

M/S BIJAY KUMAR SHIVA

ANIL KUMAR GUPTA

SARKAR ENGINEERING CO.