PROVISION OF WATER SUPPLY PIPE LINE TO WATCH TOWERS UNDER AGE EM AT INA EZHIMALA

Amount

Excavation in trenches, n exc 1.5m wide and n.exc 1.5m in depth and getting out in soft/loose soil for laying/taking out of pipe lines etc complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm, in excavated soil complete all as specified and directed by Engineer-in-Charge.

Removing excavated soil n exc 50m and depositing where directed at level n exc 1.5m above the starting point complete all as specified and directed by Engineer-in-Charge.

M&L for demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided complete all as specified and directed by Engineer-in-Charge.

M&L for cement concrete in sub floors, sub-bases, floors and pavings of cement concrete type B2, 1:2:4 (40mm graded aggregate) of 150 mm thickness complete all as specified and directed by Engineer-in-Charge.

M&L for cutting existing CI pipe 80mm bore in position for insertions of CI specials complete all as specified and directed by Engineer-in-Charge. Note:- CI special and jointing shall be measured and paid separately.

Supply and laying of CPVC pipes SDR-11 and plain CPVC SDR -11 with all fittings in trenches complete all as specified and directed by Engineer-in-Charge for the following sizes of pipes:-

25mm bore

32mm bore

50mm bore

Material and labour for run lead joints using pig lead and spun yarn and caulking complete including testing for the CI pipe 80mm bore and fittings of spigot and socket end complete all as specified and as directed.

S&F CI specials such as bends (any type,radius,and angle) tapers any type (straight, bend, or double sockets etc) Tee pieces,single branch 'Y' junction,double branch cross, collars caps and plugs etc of dia up to 150mm bore complete all as specified and as directed.

Material and labour for tyton joints with rubber gasket for CI spigot ,socket pipes and fitting for 80mm bore complete all as specified and as directed by Engineer-in-Charge.

Supply and fix sluice valve ,flanged end of class PN 1.6 with stainless steel spindle with all accessories suitable for size 80mm bore, confirming to IS specification complete all as specified and as directed.

Supply and fix 25mm bore Gun metal gate valves with iron wheel head screwed both ends for iron pipe, confirming to IS specification complete all as specified and directed by Engineer-in-Charge.

M&L for construction of valve chamber of internal size 600mmx 600mmx600mm with foundation PCC 1:4:8 type D2 (100mm thick) laterite stone masonary 200 mm thick in CM 1:4,PCC 1:2:4 TYPE B1 for coping (75 mm thick) , rendering in cm 1:4 ,15 mm thick on both internal and external surfaces (15cm below GL) including provision of MS sheet cover 3 mm thick and 40x6 mm flat frame, 50x6 mm hold fast embedded in coping with two coat of synthetic enamel paint over a coat of red oxide primer with necessary 3 coats white wash to external surface, earth work and excavation ,handle of 12mm dia MS rod etc complete all as specified and directed by Engr-in-charge.

Supply and fix 25mm bore brass ferrule on the existing pipe line complete all as specified and directed by Engineer-in-Charge.

Supply and fix 25mm bore ( minimum weight -455 gram) ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe complete all as specified and as directed.

Supply and laying 80mm bore CI pipes spigot and socket ends centrifugally cast class B in any length laid in trenches complete all as specified and directed by Engineer-in-Charge. Note:- Fittings shall be measured and paid separately.

LUCKY ENTERPRISES

PADMANABHAN. K.V

RS ENTERPRISES

KARATHAT ITTYATHI GOPALAN

Gates Infra Construction Co