Repair And Modification In Dr V Ananth Sem Lab- 1 Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete. 2 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 2.1 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stoneaggregate 40 mm nominal size) 3 Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 3.1 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stoneaggregate 20 mm nominal size) 4 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: 4.1 Cement mortar 1:6 (1 cement : 6 coarse sand) 5 Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. 5.1 In gratings, frames, guard bar, ladder, railings, brackets, gatesand similar works 6 S/I/T/C of existing chiller unit 7 Chilling unit installation with the help of crain for lifting the existing unit and re installation at designated place including p/f of vibration pads (16 nos) with GI sheet all complete as per direction of Engineer in Charge 8 Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water SS 304 piping inside the building (with necessary clamps, vibration isolators, SS flanges and SS fittings, SS nut bolts, neprenere rubber gasket but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elastometric nitrile rubber of minimum 45 Kg / cu m density, 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. Make Jindal (Hissar) 8.1 65 mm dia main line 8.2 50 mm dia pump and AHU connection 9 BUTTERFLY VALVE flanged type(MANUAL) with SS 304 body SS Disc, Nuprene Rubber Seal & O- Ring PN 16 pressure rating for chilled water/hot eater circulation as specified Castle/ Advance/ Uttam/ AUDCO 9.1 65mm 9.2 50mm 10 NON - RETURN VALVE flanged with dual plate of SS 304 body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating as specified.. Make Advance/ Audco/ Castle/ UTTAM 10.1 50 mm dia pump connection 11 Y - STRAINER flanged type of Ductile SS 304 Body flanged ends with fine stainless steel mesh (strainer) for chilled / hot water circulation including insulation as specified. Castle/ Advance/ Uttam/ Audco 11.1 50 mm 12 P/f of 25 mm brass Flow switch/ pressure switch operating at 3-4 sqcm water pressure. Make Fireware/ safetygear 13 P/f of SS 304 fittings like socket, hexa nipple, 3/8 ball valve for installation of pressure and temperature guages 14 S/I/T/C of Chilled Water Pumps having bronze impeller and mechanical seal type with fitings 3HP (1W+1S) Kirloskar Model no 325/2800 RPM Pressure 3-4 Kg or equivalent capacity in other make Crompton Greaves/ Grundfuss 15 Controls for AHU comprising of three way mixing valve with modulating motor, proportionate thermostat and operational contriling with lab temperature and RH. Make Honeywell/ Siemens 15.1 50mm 16 Providing and fixing of dial type temperature guage 0-50 degree centigrate Make Zeel, capilary length 3 mtr, dial size 100 mm with brass/ SS 304 thermowell 17 Existing panel modification (contactor with relay, indicator, isolator 03 numbers each) for pump and chilling unit (24 TR) and interlocking with AHU 18 Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water SS piping inside the building (with necessary clamps, vibration isolators, flanges and fittings but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elastometric nitrile rubber of minimum 45 Kg / cu m density, 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. 18.1 25 mm dia taping 19 P/f of 25 mm SS 304 ball valve flanged/ threaded. Make Zoloto/ Audoco 20 P/f of 25mmSS 304 disc type NRV flanged/ threaded 21 Y - STRAINER 25 mm of SS 304 Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation and union connection as specified. Castle/ Advance/ Uttam 22 P/f of flexible connections for lab equipment with SS flexible pipe of length 3 mtr (aapx) with socket, hexa nipple, 3/8 SS ball valve 23 P/f of pressure switch of 3/8 with SS 304 ball valve, SS 304 socket, SS 304 hexa nipple operating 3-4 kg/sqcm water pressure 24 Providing and fixing of Pressure guages Make H Guru/WIKA with Hexa nipple ISI standard 25 S/I/T/C of Chilled Water Pumps having bronze impellor and mechanical seal with fitings 1HP Kirloskar 2800 RPM Pressure 3-4 Kg or equivalent capacity in other make Crompton Greaves/ Grundfuss 26 Supply, Installation, Testing and Commissioning of heavy duty Chilled water coil header type having copper tubes and aluminium fills 6 row 45x42x8 with SS 304 header specially design for 6500 CFM AHU obtainable 1.4 due point including dismantling of already installed old coil. 27 Make up PVC tank 500 ltr with suitable MS frame with 3/4 float ball and necessary piping of 12 mm (7 mtr) to the buffer tank 28 P/f of 4 core 50 sqmm aluminium armoured cable 29 P/f of 4 core 2.5 sqmm copper conductor armoured cable 30 P/f of SS 304 grade buffer tank including making of two nos of flanged connections of 50mm dia for inlet and outlet. Two flanged or threaded connections of 25 mm dia for inlet and outlet. One connection for float valve. Top cover must be 400 mm dia with SS 304 nuts and bols with rubber gasket 31 P/f of nitrile rubber insulation 25 mm thick for water make up tank over polythene sheet and aluminium cladding with 0.6mm thickness aluminium sheet 32 Water softner unit having 500 ltr capacity of size 8x35 33 P/f of 10 micron water filter SS 304L body containing 3 sliding filter candles having size 12x30 with 25 mm dia stub connection (inlet and outlet) or flanged in chilled water line. 34 Ethelyne Glycol specific gravity 1.1/ 1.2
