8812 REPAIR, MAINTENANCE OF AC INSTALLATIONS INCLUDING REPLACING UNDER DECK INSULATION, REFLECTIVE PAINT, DIFFUSERS, SPRINKLERS AND OTHER CONNECTED ITEMS AT AF STATION BAREILLY

Amount

Taking down of old damaged under deck insulation along with connected accessories of any type complete all as specified and directed.

Taking down of old damaged PUF slab of any type and size from MS pipes complete all as specified and directed.

M&L for under deck insulation for RCC roof with bonded fibre glass wool of density 48 Kg/m³, 75 mm thick, suitably factory laminated with aluminium foil having flange on one side, backed up by scrim and craft paper, with and including (insulating material shall conform to BS - 476, Part 4,5, 6 & 7), 50 x 50 mm or 75 x 75 mm size slotted angles 50mm wide, fixed to the ceiling by means of rawl plug 600 mm c/c, draw GI tie wire 22 SWG from vertical slots, for holding the insulating material in position with and including GI washer, aluminium foil, adhesive tape 50mm for sealing of aluminium foil flanges and providing additional support to the insulation with and including chicken wire mesh of size 12.5 mm x 0.51 mm (24 SWG) hexagonal construction, stretched firmly over the insulation complete all as specified and directed including necessary scaffolding arrangement. Make of Fibre glass wool: U. P. Twiga Fiberglass Ltd/ Knauf Insulation/ Sheth Insulation

M&L for insulation of MS Pipe 50mm dia with two half round sections of PUF (Polyurethane), 30mm thick in density 36±2 Kg/m³ conforming to IS: 12436. Sections shall be bonded to the surface of pipe with adhesive fevicol SR 998 and binded with metal binding wire, apply fevicol AC Duct Lag Coating AF:5590 on insulated surface uniformly and wrap the glass cloth tightly with over lapping so that no gaps are left and no air pockets are formed. Immediately apply additional coating as a final finish layer on the wrap cloth with necessary hardware fitting. Make of PUF pipe sections: Lloyd / Unifix Plast Pvt Ltd/ Alaska PUF Industries

M&L for insulation of MS Pipe 80mm dia with two half round sections of PUF (Polyurethane), 30mm thick in density 36±2 Kg/m³ conforming to IS: 12436. Sections shall be bonded to the surface of pipe with adhesive fevicol SR 998 and binded with metal binding wire, apply fevicol AC Duct Lag Coating AF:5590 on insulated surface uniformly and wrap the glass cloth tightly with over lapping so that no gaps are left and no air pockets are formed. Immediately apply additional coating as a final finish layer on the wrap cloth with necessary hardware fitting. Make of PUF pipe sections: Lloyd / Unifix Plast Pvt Ltd/ Alaska PUF Industries

Dismantling of old broken plaster insulation and M&L for external thermal insulation to supply and return air duct laid outside the conditioned space/ room with closed cell class O nitrile rubber elastomeric insulation of 19 mm thick density 40-50 Kg/m3 , thermal conductivity of 0.037 W/mK at 200° C mean Temp and with factory laminated aluminium foil of minimum 60 microns thickness to be applied on ducts using manufacturer's recommended rubber based adhesive in a solvent complete and finally finished with 26 SWG aluminium sheet complete to make it weather proof all as specified and as directed.

S&F of Electrical insulating rubber mat of size (2 mtr X 1 mtr, 3mm thick) tested for LT voltage 1100 volts, conforming to IS-15652 - 2006 complete all as specified and directed by Engineer-in-charge. Make: Jaipuria/ Raychem RPG/ Safe Volt

Supply & installation of supply/ return air square ceiling anti-smudge diffusers having neck size 450mm X450mm, flush mounting, suitable for 4 way throw, core removable type, powder coated with opposed blade damper. The frame and core shall be constructed from high quality aluminium profile with necessary hardware complete all as specified and directed. Make- Air Master /AB Luftech/ Dynacraft/ Trox

Supply & installation of supply/ return air square ceiling anti-smudge diffusers having neck size 375mm X375mm, flush mounting, suitable for 4 way throw, core removable type, powder coated with opposed blade damper. The frame and core shall be constructed from high quality aluminium profile with necessary hardware complete all as specified and directed. Make- Air Master /AB Luftech/ Dynacraft/ Trox

M&L for replacement of old defective earthing by providing new earthing comprising of copper earth plate electrode 600mm X 600mm X 3.15mm thick buried directly in ground (earth pit not less than 2.25 m below ground level) with top edge of earth plate not less than 1.50m below normal ground level, connected to copper earth strip of size 20x3mm by means of copper nut-bolts, check nuts and washers all as shown on electrical plate No. 3 of MES Schedule 2009, Part–I (Specifications) and connected to main switch board/ main DBs/ earthing test point including all necessary excavation and earth work in any type of soil, adequate quantity of charcoal dust and common salt all around the earth plate in alternate layers minimum 150mm (compacted thickness) in all directions with and including watering pipe 20mm dia GI light grade, GI funnel made out of 0.63mm thick GI sheet, wire gauge, 50mm thick RCC cover of size 450mm X 450mm in cement concrete 1:2:4, type B-1, duly reinforced with 8mm dia mild steel TMT bars @ 100mm c/c both ways with suitable lifting handle made of 10mm dia MS round bar to lift the cover, earth pit of PCC 1:3:6 type C-1, GI protection pipe light grade 40 mm bore including testing on completion of job complete all as specified and directed.

S&F of water sprinkler of cooling tower of capacity 15 TR to 120 TR to distribute the water properly inside the cooling tower complete all as specified and directed.

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 400 Amps, 415V, four pole, 36 KA complete all as specified and directed Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 200 Amps, 415V, four pole, 25 KA complete all as specified and directed. Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 160 Amps, 415V, four pole, 25 KA complete all as specified and directed. Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 125 Amps, 415V, four pole, 16 KA complete all as specified and directed. Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 63 Amps, 415V, four pole, 16 KA complete all as specified and directed. Make: Havells/ L&T/ Schneider/ Legrand

M&L for PVC insulated electric copper cable of size 16 sq mm 4 core including saddles & screws and laying in cable lay trunk perfectly complete all as specified and directed. Make:-Havells/ Polycab/ Finolex

M&L for PVC insulated electric copper cable of size 35 sq mm 4 core including saddles,& screws and laying in cable lay trunk perfectly complete all as specified and directed. Make:-Havells/ Polycab/ Finolex

M&L for PVC insulated electric copper cable of size 4.0 sq mm 4 core including saddles & screws and laying in cable lay trunk perfectly complete all as specified and directed Make:-Havells/ Polycab/ Finolex

Supply and replacement triple layer rotational molded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position of Capacity 5000 liters complete all as specified and as directed Make : Sintex / Plasto/ Ashirwad

Supply and fixing in repair of Butterfly valve of size 50 mm as per API 609, BS 5155, wafer type for mounting between specified flanges and shall be rated for 1034 kPa shutoff and non-shock working pressure, bodies shall be cast ferrous metal conforming to ASTM A126 CL B/ IS 210 Gr FG 200 for body wall thickness and disc shall be of S.G. Iron, with Replaceable EPDM seats and seals shall be of the resilient elastomeric type designed for field removal and replacement. accessories shall be matching flanges, gasket, hardware etc. Butterfly valves shall confirm to API 609. duly insulated complete all as specified and directed. Make : Audco/ Honeywell/ Intervalve/ KSB/ VTM

Supply and fixing in repair of Butterfly valve of size 80 mm as per API 609, BS 5155, wafer type for mounting between specified flanges and shall be rated for 1034 kPa shutoff and non-shock working pressure, bodies shall be cast ferrous metal conforming to ASTM A126 CL B/ IS 210 Gr FG 200 for body wall thickness and disc shall be of S.G. Iron, with Replaceable EPDM seats and seals shall be of the resilient elastomeric type designed for field removal and replacement. accessories shall be matching flanges, gasket, hardware etc. Butterfly valves shall confirm to API 609. duly insulated complete all as specified and directed. Make : Audco/ Honeywell/ Intervalve/ KSB/ VTM

Supply and Fixing in repair of Dual Plate Check Valve (NRV) of size 50mm dia conforming to MSS SP-125, valve disc or plate shall be of S.G Iron close before line flow can reverse to eliminate slam and water-hammer due to check-valve closure, valve shall be class 125 rated for 1379 kilopascal maximum, valves shall be wafer type to fit between flanges conforming to ASME B16.5, valve body shall be cast iron, conforming to ASTM A126/ IS 210 Gr. FG 200 or equivalent strength ductile iron, disks shall be manufacturers standard S.G. Iron ASTM A 536, Spring should be of SS 316 duly insulated complete all as specified and directed. Make : Audco/ Honeywell/ Intervalve/ KSB/ VTM

Supply and Fixing in repair of Dual Plate Check Valve (NRV) in sizes of 80mm dia conforming to MSS SP-125, valve disc or plate shall S.G Iron close before line flow can reverse to eliminate slam and water-hammer due to check-valve closure, valve shall be class 125 rated for 1379 kilopascal maximum, valves shall be wafer type to fit between flanges conforming to ASME B16.5, valve body may be cast iron, conforming to ASTM A126/ IS 210 Gr. FG 200 or equivalent strength ductile iron, disks shall be manufacturers standard S.G. Iron ASTM A 536, Spring should be of SS 316. duly insulated complete all as specified and directed. Make : Audco/ Honeywell/ Intervalve/ KSB/ VTM

M&L for replacement of PVC filling blocks of size 600mm X 300mm X 150mm complete all as specified and directed. Make : MIHIR/ SUVIDHA/ AVIRATS

S&F for PVC spray Nozzles for cooling tower of Central AC Plant as per Sample complete all as specified and directed. Make: ETI/ Gokul Plast or equivalent

S&F variable frequency drive of capacity 22 KW with IP-20 protection having EMC filter for noise reduction with 1 PID control to control fan speed based on velocity, pressure or temperature feedback having ports for the input and output variables complete all as specified and directed. Make- Danfos/ Siemens

Supply, fabrication, erection, testing and commissioning of MS pipes of size 50mm dia, 'C' class heavy duty including fittings like couplings, bends, elbows, tees etc. Piping shall be supported with frame structure, necessary hardware complete all as specified and directed. Make: TATA/ Jindal/ Surya Roshni Ltd

Supply, fabrication, erection, testing and commissioning of MS pipes of size 80mm dia, 'C' class heavy duty including fittings like couplings, bends, elbows, tees etc. Piping shall be supported with frame structure, necessary hardware complete all as specified and directed. Make: TATA/ Jindal/ Surya Roshni Ltd

Supply, Installation, testing and commissioning of cast iron pump, 10 HP, 3000 rpm with mechanical seal in stainless steel, IP-54 motor protection, stainless steel AISI-420 shaft, stainless steel AISI-316 strainer basket. Connection with PN-16 according to DIN2501. Flow rate: 123 m³/hr, 12 meter head, voltage 400V/ 3 ph (50 cycles AC), including vibration pads, PCC foundation, suitable starter and including PVC copper cable laid on MS channel, from LT indoor panel to starter and further starter to electric motor laid through flexible conduit as specified and directed. Make: Armstrong/ Grundfos/ Kirloskar

S&F Step controller card with and including Display, Relay, Sensor wire & SMPS for Hot water generator of make Rapid cool of capacity 30 KW to 63 KW complete all as specified and directed.

Deduct: Amount of Schedule of Credit b/f from Sl. Page No. 17 of tender document i.e. Rs. 1,07,540.00

Pal Engineering Services

M/s. S.S. Refrigeration, Bareilly

ZAIGHAM ENTERPRISES