MAINTENANCE AND REPAIRS TO EXTERNAL WATER SUPPLY SYSTEM AT AFAC UNDER AGE (I) AF COIMBATORE.

Amount

Excavation in trenches not exc 1.50 meter wide and not exc 1.50 meter deep and getting out in hard dense soil all as specified and directed.

Returning filling in spreading, levelling and well ramming in layers not exc 25 cm thick including watering as required all as specified and directed.

Removal of surplus soil to a distance not exc. 50 meter and depositing where directed at a level not exc 1.5 meter above starting point all as specified and directed.

M & L for cutting the existing bituminous road 20 cm depth including refilling and consolidating the disturbed portion all as specified and directed.

Supply and lay 80 mm bore galvanised steel tubing medium grade with all fittings and fixtures in trenches all as specified and directed incluing taking down the old unserviceable pipes and fittings complete.

Supply and lay 100 mm bore galvanised steel tubing medium grade with all fittings and fixtures in trenches all as specified and directed incluing taking down the old unserviceable pipes and fittings complete.

Supply and lay 150 mm bore galvanised steel tubing medium grade with all fittings and fixtures in trenches all as specified and directed incluing taking down the old unserviceable pipes and fittings complete.

Supplying and laying 25 mm bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors/trenches complete all as specified incluing taking down the old unserviceable pipes and fittings complete

Supplying and laying 40 mm bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors/trenches complete all as specified incluing taking down the old unserviceable pipes and fittings complete

Supplying and laying 50 mm bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors/trenches complete all as specified incluing taking down the old unserviceable pipes and fittings complete

S&F CPVC ball valve of size 25 mm outer dia including taking down the unserviceable one all as specified and directed.

S&F CPVC ball valve of size 40 mm outer dia including taking down the unserviceable one all as specified and directed.

S&F CPVC ball valve of size 50 mm outer dia including taking down the unserviceable one all as specified and directed.

Supply and fix in replacement gun metal gate valve heavy duly ISI marked with iron wheel head screwed both ends for iron pipes 25 mm bore dia all as specified and directed.

Supply and fix in replacement gun metal gate valve heavy duly ISI marked with iron wheel head screwed both ends for iron pipes 40 mm bore dia all as specified and directed.

Supply and fix in replacement gun metal gate valve heavy duly ISI marked with iron wheel head screwed both ends for iron pipes 50 mm bore dia all as specified and directed.

Material and labour for run lead joints for cast iron spigot and socket pipes and fittings for 100 mm bore including burning out the old existing joints and removing the old lead complete all as specified and directed.

Material and labour for run lead joints for cast iron spigot and socket pipes and fittings for 150 mm bore including burning out the old existing joints and removing the old lead complete all as specified and directed.

Supply and fix cast iron fittings for cast iron pipes such as bends, tapers, ‘T’, collars, flange sockets, etc for pipes up to 150 mm dia bore including cutting the existing lines and making good including taking down the old one. Note:- Lead joints shall be measured and paid separately.

Supply and fix 80 mm dia bore cast iron non return sluice valve flanged type heavy duty conforming to IS with rubber gasket joints including bolts, nuts, etc complete including taking down the old unserviceable non return valve

Supply and fix cast iron sluice valve of size 150 mm dia flanged of class PN 1.6 confirming to IS with rubber gasket joints bolts nuts etc. complete including taking down the old unserviceable sluice valve all as specified and directed.

Supply and fix cast iron sluice valve of size 100 mm dia flanged of class PN 1.6 confirming to IS with rubber gasket joints bolts nuts etc. complete including taking down the old unserviceable sluice valve all as specified and directed.

Supply and fix cast iron sluice valve of size 80 mm dia flanged of class PN 1.6 confirming to IS with rubber gasket joints bolts nuts etc. complete including taking down the old unserviceable sluice valve all as specified and directed.

Supply and fix cast iron foot valve with leather flap scaling clamped on cast iron disc plates conforming to IS 4038 of size 100 mm dia including taking down the old unsv foot valve all as specified and directed.

Supply and fix cast iron foot valve with leather flap scaling clamped on cast iron disc plates conforming to IS 4038 of size 80 mm dia including taking down the old unsv foot valve all as specified and directed.

Repair of water supply line (raw/fresh water) with mechanical joint , of cast iron pipe line size 100 to 150 mm including taking out the punctured /cracked exsiting pipe and cutting of damaged /cracked portion of pipe making rough surfaces smooth and champhered by grinding and then connected through mechanical joint of adequate size with rubber rings both sides and fasteners of required size and shape as per site requirement complete all as specified and as directed

Supply and fix cast iron pipe 100 mm dia bore with flanged ends centrifugally cast class ‘B’ in any length laid in trenches or on floors including taking down the unserviceable pipe all as specified and directed.

Supply and fix cast iron pipe 150 mm dia bore with spigot and socket ends and centrifugally cast class 'B' in any lengh, laid in trenchesincluding taking down the unserviceable pipe all as specified and directed.

Supply and fix cast iron pipe 80 mm dia bore with flanged ends centrifugally cast class ‘B’ in any length laid in trenches or on floors including taking down the unserviceable pipe all as specified and directed.

Supply and fix in replacement 20 mm bore dia ball valve of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe (Miimum weight 20 mm - 210 m gms) all as specified and directed.

Supply and fix in replacement 25 mm bore dia ball valve of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe (Miimum weight 25 mm - 455 gms) all as specified and directed.

S & F in replacement rotational moulded polythylene water storage tank (Cylindrical vertical with closed top) double layered, hoisted and fixed in position of capacity 500 Ltrs all as specified in SSR Part -I including taking down the unserviceable one all as specified and directed.

All as per item No 32 above but 750 Ltrs capacity.

All as per item No 32 above but 1000 Ltrs capacity.

Supply and fix in repairs lid suitable for polyethylene water storage tank with locking arrangement suitable for 500/750/1000 Ltrs capacity all as specified and directed.

Construction of valve chamber with inner dimension 900 x 900 x 900 mm suitable for 80/100/150 mm dia sluice valve with PCC (1:4:8) type D2 using 40 mm graded stone aggregate 150 mm thick for foundation, brick masonry 230 mm wall in CM 1:4, PCC (1:2:4) type B1 using 20 mm graded stone aggregate 75 mm thick as in coping. Rendering in CM 1:4, 15 mm thick including provision of 3 mm thick MS sheet covers and 25 x 25x 3 mm angle iron frame embedded in coping with locking arrangments including necessary earth work and excavation in hard dense soil complete all as specified and directed.

M & L for plain cement concrete in foundation, filling and mass concrete type D2 1:4:8 (40 mm graded stone aggregate) for making good the damaged roads/ hard standing all as specified and directed.

Supply only High strengh calcium based granular chlorination chemical having 65 % to 70 % available chlorine factory sealed packed in 45 Kgs plastic drums with anti corrosion and anti scaling agents all as specified and directed. Make : Sathiya Sai Aqua Pura or Declibac Altoch -GP

SENTOOR BUILDERSS