IMPROVEMENT TO AIR CONDITIONING INSTALLATION AT AF STN BHUJ

Amount

Supply and install in repairs non chemical water treatment scale preventer (SCALE OFF) of dia 100 mm & length 1 mtr for water flow rate 750 to 1800 LPM.The outer cylindrical casing shall be of 304 grade stainless steel having specially designed triangular core inside with both ends flanged and capable of preventing scale formation complete as per manufacturer's design/specifications, with all fittings complete all as specified and directed. Note: Make - M/s Weldon Engineers India (Make-Polo) or equivalent as per existing and as approved by Garrison Engineer. (Note for item Nos 1 to 22 :- Rates quoted for items 'in repairs' are deemed to include for All materials, labour, tools, plant, scaffolding and appliances required for taking out the old article (including plugs, holdfasts, etc.) removal of the old article to the M.E.S. Store, if required, making good all work disturbed at fixing, and obtaining access, by raising or removing covers, to fittings etc., and replacing covers on completion.dismantling of old item and supply, fixing, testing, etc., of the new items)

Supply, installation and commisssioning in repairs of Square type shape and FRP induced draft type counter flow, casting by fiber glass reinforced casing & basin (FRP) MSHDG type, mechanical equipment supports, electroplated hardware drain connections, suitable GI inspection ladder, steel supporting structure, PVC Fills, CT Fan motor with blades and sprinkler system, complete foundation arrangement etc suitable for 60 TR Cooling tower, complete as per manufacturer's design/specifications with all fittings complete all as specified and as directed Note : Make - Mihir / Paharpur / Delta / M/s Weldon Engineers India (Make-Polo) or equivalent as provided by the original manufacturer and as approved by the Garrison Engineer.

All as per item No.2 above but round in shape and suitable for 40 TR

All as per item No.2 above but round in shape and suitable for 30 TR

S & F in repairs of motor capacity 3 HP, 3 phase with suitable end dia for fixing of CT fan existing all as specified and directed by Engineer-in-charge.

Fabricating, supplying, installing, errection and testing / balancing, in repairs, GI sheet with TDF flange rectangular/ square duct made out of L' shaped hollow profile , duly factory boxed , including all accessories such as corner, cleat, carriage bolt, support, suspender, tie rod ,Gasket and appropriate sealant on longitudinal joints etc complete of size 20 Gauge. complete all as specified and as directed.

Supply & erection in repairs of 25 mm thick nitrile duct insulation with Aluminum foil thickness not less than 0.256mm. The thermal insulation shall be 25 mm thick non-fibrous, fire retardant, closed cell, tri- dimensional chemically cross linked polyethylene foam, conforming to class 'O' for fire propagation and class 1 for surface spread of flame & factory laminated aluminum foil complete all as specified and as directed. Note:- (i) After fixing of insulation the complete insulation should be tied with vergin PVC tape duly climped with clamps at an equal interval of 30 cm. (ii) Amount of PVC tape deemed to be included in rate quoted by contractor. (iii) M & L for applying rubber based adhesive CPRX compound deemed to be included in rate quoted by contractor.

M & L in repairs for structural rolled mild steel (Fe-410-W, E-250) work for supports of ducting work complete all as specified and directed by Engineer-in-charge.

M & L for rough excavation not exceeding 1.5 m deep and getting out in hard/dense soil complete all as specified and directed.

M & L for Cement concrete in type C2, (1:3:6) (40mm graded stone aggregate) in foundation filling and mass concrete etc complete all as specified and directed.

Removing excavated material (soil) n exc 50m and depositing where directed at a level n exc 1.5 mtr above the starting point in soft/loose soil.

S & F in repairs of monoblock pump capacity 3 HP three phase available head 6-14 mtr with suitable delivery size to existing all as specified and directed.

S & F in repairs of monoblock pump capacity 5 HP three phase available head 6-14 mtr with suitable delivery size to existing all as specified and directed.

Supply and lay in repairs M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of 100 mm bore complete all as specified and directed.

Supply and lay in repairs M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc 80 mm bore complete all as specified and directed.

Supply and lay in repairs M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of 65 mm bore complete all as specified and directed.

Supply, installation and testing in repairs of Butterfly Valves (Manual) with CI body, SS disc, nitrile rubber seal & O ring, PN 1.6 Pressure rating of size 100mm

Supply, installation and testing in repairs of Butterfly Valves (Manual) with CI body, SS disc, nitrile rubber seal & O ring, PN 1.6 Pressure rating of size 80mm

Supply, installation and testing in repairs of Butterfly Valves (Manual) with CI body, SS disc, nitrile rubber seal & O ring, PN 1.6 Pressure rating of size 65mm

Supply, installation and testing in repairs of Butterfly Valves (Manual) with CI body, SS disc, nitrile rubber seal & O ring, PN 1.6 Pressure rating of size 40mm

Supply, installation and testing in repairs of cast steel Y- type Strainer (40 mesh) of 100 mm dia of ductile Iron body flanged ends with stainless steel strainer. Make- Zoloto model 1070 or equivalent make shall be provided as per existing and as approved by GE.

Supply, installation and testing in repairs of cast steel Y- type Strainer (40 mesh) of 80 mm dia of ductile Iron body flanged ends with stainless steel strainer. Make- Zoloto model 1070 or equivalent make shall be provided as per existing and as approved by GE

shivrefrigeration (BID ID -3295853)

VATANUCOOL ENGINEERS (BID ID -3295837)

M/s Bombay Novelty Stores (BID ID -3294972)

Anil Builders (BID ID -3298921)