Tender For supply installation testing and commissioning Of 2 No. Chillers With Cooling Tower In Central Ac Plant Of Main Hospital At Skims Soura=- 1 SITC of VFD based, AHRI/ Eurovent certified, water-cooled, Mono/ Twin Screw Type Chiller of capacity not less than 100 TR with allied items. The item shall be complete and ready to be connected with main headers in the existing Central Air Conditioning Plant of SKIMS Soura. The chiller shall be accompanied with microprocessor based control panel with all safety, switch gears needed for safe, smooth and hassle-free operation. The job includes laying of foundation as per OEM recommendation which shall be not less than 6 inches above the finished floor level. The technical specifications are further detailed in Annexure B. 2 SITC electric-motor driven Centrifugal Pump for condenser and chiller sides having a discharge of 15 to 18 Litres per second, Head of 30 metres, 1450 rpm. The technical specifications are furhter detailled in Annexure B. 3 INSULATED CHILLED WATER PIPING (Nitrile rubber Insulation)Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elastometric nitrile rubber of minimum 45 Kg/ cum 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.Note: The Pipes of sizes 150mm & below shall be M.S. C class as per IS: 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. 4 300 mm (32mmnitrile insulation thickness) 5 250 mm (32mmnitrile insulationthickness) 6 150 mm (32mm nitrile insulationthickness) 7 125mm (32mmnitrile insulation thickness) 8 100 mm (32mmnitrile insulationthickness) 9 80 mm (32mmnitrile insulation thickness) 10 65 mm (32mmnitrile insulationthickness) 11 SITCof Butterfly Valves with DI body double flanged construction with EPDM coated disc with long pitch and PN 16 pressure rating as per IS 13095 (1991) 12 250 mm ϕ 13 150 mm ϕ 14 125 mm ϕ 15 100 mm ϕ 16 80 mm ϕ 17 65 mm ϕ 18 Providing and fixing of Aluminum Cladding of 0.63 mm thick sheet to the insulated pipelines including bends, valves, fittings, etc. The job includes grooving, providing and fixing of screws, washers etc. as per IS : 2676 - 1981 19 300 mm (32mm nitrile insulation thickness) 20 250 mm (32mmnitrile insulation thickness) 21 150 mm (32mmnitrile insulationthickness) 22 125mm (32mm nitrileinsulationthickness) 23 100 mm (32mm nitrileinsulation thickness) 24 80 mm (32mm nitrile insulationthickness) 25 65 mm (32mmnitrileinsulation thickness) 26 SITC of ductile iron Non-return valve of following size with allied jobs as per site requirement. The valve shall be conforming to IS-5312. Pressure Rating : PN16 27 150 mm ϕ 28 125 mmϕ 29 100 mm ϕ 30 SITC of Y-Strainer (CI) flanged end,of following size with allied jobs as per site requirement. Pressure Rating : PN16 31 150 mm ϕ 32 125 mm ϕ 33 100 mm ϕ 34 80 mm ϕ 35 SITC of Balancing valve (ductile iron) of following size with allied jobs as per site requirement. Pressure Rating : PN16 36 150 mm ϕ 37 125 mm ϕ 38 SITCof T-Strainer (C.I.) of following size with allied jobs as per site requirement. Pressure Rating : PN16 39 250mm ϕ 40 SITC of Fully Stainless Steel Pressure Gauge (Bourdon Beryllium copper, Socket SS316L, Case and Bazel SS304), rugged Construction with EPDM Blowback, safety glass. 0-40 KG/CM², Dual display bar/Psi or Selectable 41 SITC in position the Bi-metal Dial thermometer Temperature Guage 4” Dail Size ½ “ BSP (M) connection, SS case and SS Wetted parts completer as required 42 SITC of Air Release Valve of following size. Air release valves shall be provided at all higher points in piping system for venting. 43 25 mm dia ϕ 44 SITCof forged brass Ball Valve (PN-16) for drain of following size. 45 25mm ϕ 46 40mm ϕ 47 SITC of powder coated, vermin proof, Electric Panel fabricated out of 14 SWG CRCA sheet laid overMS angle frmae, internally wired, with modular construction having incoming and outgoing MCCBs, cable way module, metering module, copper bus bars with all protections and as per Technical specifications detailed in Annexure B. 48 Electric Cable:- SITC of PVC insulated armored sheathed XLPE copper conductor cables from main panel boards to various equipments and from sub-panel to cooling tower and centrifugal pumps through walls/ceiling with appropriate clamps and fixing arrangement. The job includes electric cable tray with all accessories for laying of electric cable The electric cable shall be conforming to IS-7098 49 35 mm sq. 3.5 core, 11 kV,LV 50 10 mm sq. 3 core 11 kV,LV 51 6 mm sq. 3 core 11 kV,LV 52 Annual CMC for two (02) no. chillers of 100 TR capacity. 53 Cooling Tower:Supply, testing and commissioning of round induced draft counter flow/ round bottle shaped Cooling Tower. The cooling capacity shall not be less than 200 TR as per the technical specifications detailed in Annexure B 54 Earthing for chillers/ pumping units/ Steel strtuctral frame work cooling towers by way of chemical earthing as per IS 3043. The job includes providing and laying of GI strip of size 25 mm x 5 mm from earthing electrode to the Panel, chiller/ cooling tower, motors, etc. of required length as per site requirement. 55 Platform Works FOR COOLING TOWER 56 Demolishing existing cement concrete manually/ by mechanical means including disposal of material within 50 meters lead as per direction of Engineer-in to make space for foundation pillarscharge: 1:3:6 or richer mix (i/c equivalent design mix) Size = [3 x 3 x 6] x 6 (no) 57 Earth work in bulk excavation by manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) includingdisposal of excavated earth lead upto 50meters and lift upto 1.5 m,as directed by Engineer-in-Charge. All kinds of soilSize = [3 x 3 x 6] x 6 (no) 58 Supply, Filling, Spreading and levelling soling stone for foundation of Column Foundation in required thickness with all leads and lifts complete.Size = (3 x 3 x 6) x 06 Nos. 59 CEMENT CONCRETE (CAST-IN-SITU) MudmatProviding and laying in position cement concrete (by making use of mechanical vibrator) of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) Size = (3 x 3 x 2) x 06 Nos. 60 FORM WORK Centering and shuttering including strutting, propping etc. and removal of form for: Columns, pillars, piers, abutments, posts and struts.Size = 12 x 34 x 6 nos 61 CAST-IN-SITUProviding and laying in position specified grade of reinforced cement concrete including curing but excluding the cost of centering, shuttering, finishing and reinforcement. All works upto plinth level:1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size) Size: 3 x 3 x 34 x 6 nos. 62 STEEL REINFORCEMENT Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level Thermo-Mechanically Treated bars of grade Fe-500D or more. 63 Demolishing brick work in cement mortarmanually/by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 meters lead as per direction of Engineer-in-charge: 64 Proving and laying of 20mm Cement plaster of mix: 13.3.11 : 4 ( 1 cement : 4 fine sand) 65 Providing and applying white cement based putty of specified thickness, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete. 2 mm thick 66 Distempering with 1st quality acrylic distemper, having VOC (Volatile Organic Compound) content less than 50 grams/ liter, of approved brand and manufacture, including applying additional coats wherever required,to achieve even shade and colour. Two coats 67 Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting , hoisting , fixing in position and applying a priming coat of approved steel primer, including weldingand bolted with special shaped washers etc. complete. Hot finished seamless type tubes, Round section 200 mm dia and 8 mm thick, 50 mm 2.9 mm thick 68 Providing and laying cement concrete (by making use of mechanical vibrator) in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts,struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchors blocks, plain window sills, fillets etcupto floor V level, including curing but excluding the cost of centring, shuttering and finishing with. 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) 69 Structural steel work (Welded) in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Setions to be used ISMB 250, ISMC 150, ISMC 75, ISA 50506, hollow square section of size 25x25x3mm etc. as per the details given in Annexure B 70 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. In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete. MS Plate 25 mm thick, MS Plate 16 mm thick, MS Chequered Plate 8 mm thick, etc. as per the details given in Annexure B 71 Providing and fixing in position M20 J Foundation Anchor Bolt with washers and double nuts to hold on to the foundation plates. M20 of length not less than 4 feet8 x 6 nos
