REPAIR MAINT IMPROVMENT OF OF EXTERNAL WATER SUPPLY SYSTEM OF

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep in any type of soil for foundation, laying pipe etc. or for shafts, wells, cesspits, manholes, pierholes, etc. and getting out complete all as specified and directed.

Returning filling in soft/loose soil including spreading levelling watering and well ramming in layers n.exc 25 cm thick complete all as specified and directed.

Removing excavated material (Soils) to a distance not exceeding 50 m and depositing where directed at a level n.exc. 1.5 m above the starting point complete all as specified and directed.

Taking down the gun metal gate valve with iron wheel head from iron pipe complete all as specified and directed of following sizes:-

(a) 50 mm bore

(b) 40 mm bore

(c) 25 mm bore

(d) 20 mm bore

(e) 15 mm bore

M&L for gun metal gate valve with iron wheel head, screwed both ends for iron pipe including necessary GI fittings and testing complete all as specified and directed of following sizes:-

(a) 50 mm bore

(b) 40 mm bore

(c) 25 mm bore

(d) 20 mm bore

(e) 15 mm bore

Taking up or down existing GI tubing and connections including cleaning for refixing for following size of pipes complete all as specified and directed :-

(a) 100 mm bore

(b) 80 mm bore

(c) 50 mm bore

(d) 40 mm bore

(e) 25 mm bore

(f) 20 mm bore

(g) 15 mm bore

Supply, fixing, laying & jointing galvanised iron water tubes 'medium grade' with and including all GI fittings such as flanges, unions, reducer sockets, socket reducing bends, elbows, tee, check nuts, caps, plugs etc.and clips, wall hooks etc. laid in trenches and testing complete all as specified and directed of following sizes: -

(a) 100 mm bore

(b) 80 mm bore

(c) 50 mm bore

(d) 40 mm bore

(e) 25 mm bore

Supply, fixing, laying & jointing galvanised iron water tubes 'medium grade' with and including all GI fittings such as flanges, unions, reducer sockets, socket reducing bends, elbows, tee, check nuts, caps, plugs etc.and clips, wall hooks etc. fixing on floor or wall and testing complete all as specified and directed of following sizes: -

(a) 40 mm bore

(b) 25 mm bore

(c) 20 mm bore

(d) 15 mm bore

Supply & Fixing in repair Sluice valves cast iron body, double flanged, ISI marked (IS-14846), heavy duty, class PN-1.6 gun metal, with rising spindle of solid forged bronze and operating handle, including rubber gaskets, nuts, bolts, washers etc including taking up. Make "Kirloskar/Leader/Venus" complete of following sizes: -

(a) 80 mm bore

(b) 100 mm bore

(c) 150 mm bore

(d) 200 mm bore

(e) 250 mm bore

(f) 300 mm bore

Dismantling of existing valve pit and M&L for construction of brick masonry valve pit of size 1200 x 1200 x 1200 mm (internal dimension)including 15 mm thick plastering in CM (1:4) inter and external for sluice valves upto 400mm bore including angle iron frame with MS sheet cover and locking arrangement including two coats of synthetic enamel paint over a coat of primer complete all as specified & directed.

All as per Srl item No. 10 above but of size 900 x 900 x 900 mm (internal dimension) complete all as specified and directed.

Supply only 25mm dia ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball for iron pipe all as specified and as directed (Min wt : 455 gm). Make : PRAYAG/WATER TEC

Supply only 20mm dia ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball for iron pipe all as specified and as directed. (Min wt : 210 gm). Make : PRAYAG/WATER TEC

Cutting existing road with width not exceeding 750 mm and 1.0 m deep for laying of water mains and filling back with excavated soil except road portion which shall be make good with cement concrete (1:2:4) type B1 (using 20 mm graded stone aggregate) complete all as specified and directed.

M & L for servicing of sluice valve cast iron body by greasing/ oiling using T&P as required as per manufacture instructions & providing glands rope of superior quality to stop any leakage of sluice valve of size 80 mm dia to 400 mm dia all as specified and directed

Supply and fixing in repair of brass check nut as per existing size suitable for CI Sluice Valve of following sizes :-

(a) 80 mm to 200 mm dia

(b) 250 mm to 300 mm dia

Supply & Fixing in repair of butterfly valves gear operated having epoxy coated cast iron body, PN 1.6, ISI marked SGI disc with integral seat of nitrle rubber, and including taking down of the following sizes:-

(a) 80 mm bore

(a) 100 mm bore

(b) 150 mm bore

(c) 200 mm bore

(d) 250 mm bore

(e) 300 mm bore

(F) 400 mm bore

S&F in repair air release valve 40 mm double action with two air outlets , ISI marked including jointing materials such as nuts, bolts, washers, rubber gasket and fixing up in cast iron pipe of any size complete all as specified and directed at site.

M&L for rectification of leakage of GI pipes laid in trenches/ on floor/ fixing to wall etc. of any size including excavation, earthwork, dewatering and removal of mud or pumping out water etc. By replacing of unserviceable GI fittings like elbow, union, sockets, tees, nipple etc. of appropriate sizes and GI pipes of the existing sizes upto 01 Mtr. Notes:- (a) GI Pipe above 01 Meter required will be measured and paid separately.

M&L for rectification of leakage of CI pipes laid in trenches/ on floor etc. of any size including excavation and eartwork, dewatering and removal of mud or pumping out water etc. By replacing of unserviceable CI fittings and piece of CI pipes of the existing size or cocking of lead wool in joints or replacing of rubber gaskets etc. Notes:- (a) CI Fittings, CI Pipes and lead joints incorporating with the job will be measured and paid separately.

Supply and fix including dismantling the old foot valve ball type foot valve with rubberised steel ball and CI body flanged/screwed at the end of the suction line for the following sizes:- (Make : NORMEX or Equivalent make as approved).

(a) 150 mm dia

(b) 200mm dia.

(c) 250mm dia.

Taking out sluice valves refacing, regrinding and refixing of following sizes :-

(a) 80 mm bore

(b) 100 mm bore

(c) 150 mm bore

(d) 200 mm bore

(e) 250 mm bore

Supply and fixing in repair of single dome aviation obstruction lights of type LEDAOL 2 with one No of 15 W LED lamp on overhead RCC tanks all as directed by Engr -in -charge. (Make Bajaj or Equivalent).

Supply and and laying in repairs of PVC insulated and PVC round sheathed copper conductor twin core flexible cable of size 1.5 sqmm (conforming to IS 694) all as directed by Engr - in - charge.

Supply and fixing in repair of soft starter suitable for 75 HP (55 KW), three phase, 415 V, 50 Hz, motor starter to protect motor from inrush current and voltage impact and providing necessary connection as per Manufacturers design, testing and commissioning all as required at site and as directed by engr-in-charge. Make SIEMENS/ABB/

PD GUPTA AND COMPANY