PROVISION OF CENTRAL COOLING FOR CERTAIN OTMS AT GTC OF AGNIVEER AND OR AT GTC IN VARANASI STATION UNDER GE (EAST) PRAYAGRAJ.

Supply & fixing, installation, testing & commissioning of Evaporative industrial heavy grade weather resistant UV Plasic body capacity not less than 20000 CMH (or 12000 CFM) air cooler, 20000CMH air flow,minimum 80% cooling efficient 100 mm thicknees honey comb pads on four side with 20 microns pre dust filters, 1.1 kw single phase fan motor (V/Hz/P -230/50/1), three wings single piece fan blade, top and bottom discharge universal options so it can be used for top and down discharge as per site need, cool flow dispener for enhanced cooling, 70/40 Ltr tank capacity, pump flow rate 3200 LPH with V/Hz/w -240/50/85, provision of time delay relay in PLC panel for auto cut of the pump supply for humidity control, Thermal over protection in fan motor amd water pump as specified and directed by Engr - in- Charge. Make:- Symphony, Havells, Crompton and equivalent as approved by GE/AGE(I).

Design ,Supply, Installation & Testing of Galvanished sheet FABRICATED RECTANGULAR DUCT as required as site with connections with hanging arrangement and support mpev IS-277 GI Flanges, Turning vanes, with proper duct sealing etc.GI sheet 22 gauge ducting as specified and directed Engr-in-Charge Note :- (a) Detail calculation and layout drawing of CFM for duct design for buildig duly vetted from IIT/NITs shall be approved by Accepting officer before excution. (b) The drawing shall indicate the exact route of ducting, dimensions, air velocity , air quality passing through different routine location if grill/diffusier etc as per required. (c) Minor B/R work like opening of duck on wall and repair in PCC 1:2:4/plastering in CM 1:4 after fixing of duck shall be inclusived in quoted rates.

Supply and fixing of adjustable type aluminium double luver grill with volume control damper, sizes varies as cfm required, grill velocity will be approx 900FPM and sound should not more than 50 DB as specified and directed Engr-in-Charge

M&L Duct opening in wall and repair for cooler duct,good the disturbed surfacres of wall by using putty and match with existing colour of wall complete as specified and directed Engr-in-Charge

S&F nitrial rubber 10mm thick Acostic absorber having open cell structure with complex pore geometry for effective absorption of air borne sound across broad range of frequnces complete as specified and directed Engr-in-Charge

S&F of fire resitant silcon Canvas connection of duct complete as specified and directed Engr-in-Charge

Supply and fix Exhaust Fan Metal Body AC single phase 230/240V of size 380 mm sweep 2500 cfmwith louver complete all specified and directed.

M&L for Hole cutting in wall for fixing of exhaust fan of size 300 mm and good the disturbed surfacres of wall by using putty and match with existing colour of wall complete all as specified and directed. Note:- Cost of repairing work and material (cement and sand) included in quoted rate.

M&L for point wiring light/fan/bell point with PVC insulated FRLSH unsheathed single core cable of multistranded copper conductor of size 1.5 sqmm as phase & neutral drawn in and including PVC conduit medium grade not less than 20 mm dia, ISI marked, duly concealed to wall/floor or above false ceiling of suitable size with all fitting and accessories laid on wall/ceiling alongwith 1.5 sqmm stranded PVC insulated FRLSH unsheathed copper conductor(Green in color) as earth wire and connected to common earth dolly for the following incl provn of CI/pressed steel terminal switch box and white bakelite plastic laminated top sheet cover and fixed with brass screws cup washer for fixing switches/socket/regulators for one light/fan point/socket point complete all as specified and directed.

All as per item No. 9 above but for One 6 pin 15/16 amps socket outlet on independent board with cables of size 4 sqmm for Duct cooler