REPAIR AND MAINTENANCE OF WATER SUPPLY SYSTEM OF ZONE I UNDER GE 871 EWS

Amount

Excavation in trenches in hard/dense soil not exceeding 1.5 mtr width and not exc 1.5 mtr deep for laying of pipe etc and getting out all as specified.

Returning, filling including spreading leveling watering and well ramming in layers not exceeding 25 cm thick hard soil all as specified and directed by Engr-in-charge.

Removing surplus soil to a distance 150 mtr and deposit where directed at a level not exceeding 1.5 mtr above the starting point.

Taking down GI tubing incl connections and joints, segregation of serviceable water tubing incl removing U/S water tubing from site of size 150 mm dia complete all as specified and directed by Engr-in-charge.

All as per item No 4 here-in-before but of size 100 mm dia pipe

All as per item No 4 here-in-before but of size 80 mm dia pipe

All as per item No 4 here-in-before but of size 50 mm dia pipe

All as per item No 4 here-in-before but of size 40 mm dia pipe

All as per item No 4 here-in-before but of size 25 mm dia pipe

All as per item No 4 here-in-before but of size 20 mm dia pipe

All as per item No 4 here-in-before but of size 15 mm dia pipe

Supply and laying in trenches GI water tubing 150 mm dia medium grade ISI marked incl all types of fittings and accessories complete all as specified and directed by Engr-in-charge.

All as per item No 12 here-in-before but of size 100 mm dia pipe.

All as per item No 12 here-in-before but of size 80 mm dia pipe

All as per item No 12 here-in-before but of size 50 mm dia pipe

All as per item No 12 here-in-before but of size 40 mm dia pipe

All as per item No 12 here-in-before but of size 25 mm dia pipe

All as per item No 12 here-in-before but of size 20 mm dia pipe

All as per item No 12 here-in-before but of size 15 mm dia pipe

Supply and laying on wall, floor and Ceiling GI water tubing 150 mm dia medium grade ISI marked incl all types of fittings and accessories complete all as specified and directed by Engr-in-charge.

All as per item No 20 here-in-before but of size 100 mm dia pipe.

All as per item No 20 here-in-before but of size 80 mm dia pipe.

All as per item No 20 here-in-before but of size 50 mm dia pipe.

All as per item No 20 here-in-before but of size 40 mm dia pipe.

All as per item No 20 here-in-before but of size 25 mm dia pipe.

All as per item No 20 here-in-before but of size 20 mm dia pipe.

All as per item No 20 here-in-before but of size 15 mm dia pipe.

Supply and fixing in replacement Gun metal gate valve/ glove valve 50 mm dia ISI marked with Iron wheel head screwed both end for GI tubing complete all as specified and directed by Engr-in-charge.

All as per item No 28 here-in-before but of size 40 mm dia pipe.

All as per item No 28 here-in-before but of size 25 mm dia pipe.

All as per item No 28 here-in-before but of size 20 mm dia pipe.

All as per item No 28 here-in-before but of size 15 mm dia pipe.

S &F in repair of GI union 150 dia ISI marked complete all as specified and directed by Engr-in-charge. Make: ISI Marked

All as per item No 33 here-in-before but of size 100 mm dia pipe Make: ISI Marked

All as per item No 33 here-in-before but of size 80 mm dia Make: ISI Marked

All as per item No 33 here-in-before but of size 50 mm dia pipe. Make: ISI Marked

All as per item No 33 here-in-before but of size 40 mm dia pipe Make: ISI Marked

All as per item No 33 here-in-before but of size 25 mm dia pipe Make: ISI Marked

All as per item No 33 here-in-before but of size 20 mm dia pipe Make: ISI Marked

All as per item No 33 here-in-before but of size 15 mm dia pipe Make: ISI Marked

Supply and fixing in replacement GI nipple150 mm dia ,24 inches long for GI tubing complete all as specified and directed by Engr-in-charge. Make: ISI Marked

All as per item No 41 here-in-before but of size 150 mm dia pipe but 12" long Make: ISI Marked

All as per item No 41 here-in-before but of size 100 mm dia pipe but 12" long Make: ISI Marked

All as per item No 41 here-in-before but of size 100 mm dia pipe but 6" long Make: ISI Marked

All as per item No 41 here-in-before but of size 80 mm dia pipe but 12" long Make: ISI Marked

All as per item No 41 here-in-before but of size 80 mm dia pipe but 6" long Make: ISI Marked

All as per item No 41 here-in-before but of size 50 mm dia pipe but 4" long Make: ISI Marked

All as per item No 41 here-in-before but of size 50 mm dia pipe but 2" long Make: ISI Marked

All as per item No 41 here-in-before but of size 25 mm dia pipe but 4" long Make: ISI Marked

All as per item No 41here-in-before but of size 25 mm dia pipe but 2" long Make: ISI Marked

All as per item No 41 here-in-before but of size 20 mm dia pipe but 4" long Make: ISI Marked

All as per item No 41 here-in-before but of size 20 mm dia pipe but 2" long Make: ISI Marked

All as per item No 41 here-in-before but of size 15 mm dia pipe but 4" long Make: ISI Marked

All as per item No 41 here-in-before but of size 15 mm dia pipe but 2" long Make: ISI Marked

Supply and fixing in replacement GI socket for GI tubing 150 mm dia pipe complete all as specified and directed by Engr-in-charge. Make: ISI Marked

All as per item No 55 here-in-before but of size 100 mm dia pipe Make: ISI Marked

All as per item No 55 here-in-before but of size 80 mm dia pipe Make: ISI marked

All as per item No 55 here-in-before but of size 50 mm dia pipe Make: ISI marked

All as per item No 55 here-in-before but of size 40 mm dia pipe Make: ISI marked

All as per item No 55 here-in-before but of size 25 mm dia pipe Make: ISI marked

All as per item No 55 here-in-before but of size 20 mm dia pipe Make: ISI marked

All as per item No 55 here-in-before but of size 15 mm dia pipe Make: ISI marked

Supply and fixing in replacement GI elbow for GI tubing 150 mm dia pipe complete all as specified and directed by Engr-in-charge. Make: ISI marked

All as per item No 63 here-in-before but of size 100 mm dia pipe Make: ISI marked

All as per item No 63 here-in-before but of size 80 mm dia pipe Make: ISI marked

All as per item No 63 here-in-before but of size 50 mm dia pipe Make: ISI marked

All as per item No 63 here-in-before but of size 40 mm dia pipe Make: ISI marked

All as per item No 63 here-in-before but of size 25 mm dia pipe Make: ISI marked

All as per item No 63 here-in-before but of size 20 mm dia pipe Make: ISI marked

All as per item No 63 here-in-before but of size 15 mm dia pipe Make: ISI marked

Supply and fixing in replacement GI tee for GI tubing 150 mm dia pipe complete all as specified and directed by Engr-in-charge. Make: ISI marked

All as per item No 71 here-in-before but of size 100 mm dia pipe Make: ISI marked

All as per item No 71 here-in-before but of size 80 mm dia pipe Make: ISI marked

All as per item No 71 here-in-before but of size 50 mm dia pipe Make: ISI marked

All as per item No 71 here-in-before but of size 40 mm dia pipe Make: ISI marked

All as per item No 71 here-in-before but of size 25 mm dia pipe Make: ISI marked

All as per item No 71 here-in-before but of size 20 mm dia pipe Make: ISI marked

Repair of service water tanks leakage from inlet pipe and connected to float valve by removing the sort peace of pipe / barrel nipple from the RCC/PVC service tanks and repairs the same by replacing the barrel nipple socket elbow and arrest check nut with accessories complete all as directed.

Supply and fix in replacement 25 mm dia brass ball valves high pressure of PTMT with epoxy coated brass rod and high density plastic ball screwed for iron pipe.

All as per item No 79 here-in-before but of size 20 mm dia pipe

All as per item No 79 here-in-before but of size 15 mm dia pipe

M&L for construction of PCC block walling valve pit of size 1200 mm x 1200 mm x 1200 mm (internal dimension) with precast cement concrete block of PCC 1:3:6 (PCC 1:3:6) type-C-1 using 20mm graded stone aggregate and 10 mm thick rendering in CM 1:4 on internal and exposed external surfaces with and incl 40 x 40 x 6 mm mild steel angle iron frame and 3 mm thick MS sheet cover with locking arrangement and 1 No 50 mm size 4 lever lock with key in duplicate of make : Navtal or equivalent, incl painting to steel and iron surfaces with two coats of black bituminous paint over a coat of red oxide primer complete all as specified and shown on drawing and as directed by Engr-in-Charge including demolition of existing.

All as per item No : 82 above but valve pit of size 600mm x 600mm x 600mm.

M&L for rendering 10 mm thick in cement mortar 1:3 on stone massonary surface other than fair face of brick work, finishing the surfaces even and fair without using extra cement complete all as specified and directed. including demolition of existing including demolition of existing.

S&F in replacement of cast iron sluice valve of size 150 mm bore class-I PN-1.6 with gun metal spindle both end flanged complete with all fitting all as specified and directed by Engr in Charge. Make : Kirloskar/leader/Kartar.

S&F in repair of cast iron sluice valve of size 100 mm bore class-I PN-1.6 with gun metal spindle both end flanged complete with all fitting all as specified and directed by Engr in Charge. Make : Kirloskar/leader/Kartar.

S&F in repair of cast iron sluice valve of size 80 mm bore class-I PN-1:6 with gun metal spindle both end flanged complete with all fitting all as specified and directed by Engr in Charge. Make : Kirloskar/leader/Kartar.

S&F in repair galvanised iron flange with out thread on existing pipe of 100 mm bore (02 Nos in each pipe) with nuts, bolts and washers complete all as specified and directed.

All as per item No 88 here in before but for 80 mm.

Replacing fins of Altoch GP plant ,cylinder mounded type out 2US GPD TO 40 US GPD, Declibec new machine Kolkata, including replacing of pipe of desired diameter from latch dozing machine to water supply Tank ( approx 5 Mtr Long) for mixing as specified.

M&L for cleaning of sedimentation water tank of 50,000 gln capacity of size 11 m x 9.2 m with chamber complete as specified and directed by Engr-in-Charge, comprising the following works.

(a) Dewatering of left out water from the tank manually or by pumping out through pump set

(b) Taking out complete sludge/mud from the tank and removing/storing the same at low level are earmarked by Engr-in-Charge within 50 m radius

(c ) Cleaning inner surface of wall and bottom of tank with the help of wire brushes, scrapper and broom for cleaning of sludge from walls/floors

(d) Washing of inner walls of tank by bleaching powder solution

(e) The empty sedimentation tank shall be first cleaned with fresh water twice and there after cleaned with fresh water sterilized with 2% solution of potassium permagnate and writing location, capacity and date of cleaning with white paint firm and hand written over a black plate with synthetic enamel paint etc complete for entire satisfaction of Engr-in-Charge.

M&L for cleaning of Water Storage tank of 40,000 gln capacity of size 11m x 11m complete as specified and directed by Engr-in-Charge and comprising of the following works :-

(a) Wash out the complete tank by opening wash out valves and dewatering the left out water from tank manually or by pumping out through pump set

(b) Taking out complete sludge/mud from the tank and removing and storing the same at low level area earmarked by Engr - in Charge with in 50 m radius

(c ) Cleaning of inner surface of walls of tank and bottom of tank with the help of wire brushes, scrapper and boom for cleaning of sludge from walls/floors

(d) Washing of inner walls of tank by bleaching powder solution

(e) The empty Water storage tank shall be first cleaned with fresh water twice and there after cleaned with fresh water sterilized with 2% solution of potassium permagnate and writing location, capacity and date of cleaning with white paint firm and hand written over a black plate with synthetic enamel paint etc complete for entire satisfaction of Engr-in-Charge

M&L for cleaning of complete water static tank of capacity 1,00,000 ltr complete all as specified and directed by Engr-in- Charge and comprising the following works :-

(a) Wash out the complete tank by opening wash valves and dewatering the left out water from tank manually or by pumping out through pump set

(b) Taking out complete sludge/mud from the tank and removing and storing the same at low level area earmarked by Engr - in Charge with in 50 m radius

(c) Cleaning of inner surface of walls of tank and bottom of tank with the help of wire brushes, scrapper and boom for cleaning of sludge from walls/floors

(d) Washing of inner walls of tank by bleaching powder solution

(e) The empty Water storage tank shall be first cleaned with fresh water twice and there after cleaned with fresh water sterilized with 2% solution of potassium permagnate and writing location, capacity and date of cleaning with white paint firm and hand written over a black plate with synthetic enamel paint etc complete for entire satisfaction of Engr-in-Charge

M&L for one coat of water proof weather proof paint epoxy paint over a coat of primer on old surface of iron and surface of iron incl preparation of surface, complete all as per manufactures instruction all as directed by Engr-in-charge.

Removing old Material from sand filter tank and Supply and Laying new material for (20000 ltr sand filter tank ) filling the following filter media in the filter bed duly cleaned and washed with 5% concentrated solution of NaOH complete including cleaning of tank as per standard procedure all as directed by Engr-in charge.

(a) Filter gravels (pebbles) 1.5'' -2'' - 3.5 Cum

(b) -do- but size 3/41.5'' - 2.5 Cum

(c ) -do- but size 1/2''-3/4'' - 2.0 Cum

(d) -do- but size 1/4'' - 3/8'' -2.0 Cum

(e) -do- but size 1/8'' - 1/4'' - 2.0 Cum

(f) Fine sand of size 1/32'' -1/16'' - 8 Cum

Supply & fixing in repair of Cast iron air release valve with two air outlets, 80 mm dia to 100 mm dia bore of air release valve all as specified and as directed by Engineer-in-Charge.

S&F in repair 2-Layer of convas pipe 100 mm having thermal stability for cold water with 08 Nos connector GI pipe 100 mm both side with clamps threaded including all fittings laid in wall complete all as specified and directed .

Dismantling the old unserviceable valve pit chamber & Construction of Brick masonary Valve pit of size 1000x1000x1000mm for opening and closing valve build in CM 1:6 including necessary excavation and earth work in any type of soil/strata including fixing MS sheet of cover 3 mm thick over angle iron frame of size 40x40x6mm with laying and locking arrangement with two coat of synthetic enamel paint over one coat of red oxide primer and 15 mm thick plaster in CM 1:4 internally, complete all as specified and directed.

Testing of water sample for chemical test and bacterial test complete report in respect of water sample of Joshimath station from NABL authorised lab.

Supply and fixing in replacement GI bend L type and V type as per site requirement for GI tubing 80/100 mm dia pipe complete all as specified and directed by Engr-in-charge.

Supply and fixing in replacement nuts and bolts with both side washer 2 inch long as per site requirement for GI tubing 100 mm dia pipe complete all as specified and directed by Engr-in-charge.

sagar associates