REPAIR MAINTENANCE OF EXTERNAL WATER SUPPLY PIPE LINES SLUICE BUTTERFLY AIR VALVES OTHER CONNECTED WORKS AT INFANTRY MH AREA AND DAY TO DAY COMPLAINT PETTY REPAIRS REPLACEMENT OF FLOAT VALVES ARRESTING LEAKAGES IN WATER SUPPLY DISTRIBUTION SYST

Amount

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

Earth work in excavation by mechanical means using Hydraulic excavator in over areas, exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan and getting out in any type of soil and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, all using as directed by Engineer - in - charge

Earth work in excavation by mechanical means using Hydraulic excavator over areas (exceeding 30 cm in depth 1.5 m in width as well as 10 sqm on plan) and getting out in ordinary rock and disposal of excavated earth lead upto 50 m and lift upto 1.5 m,all as directed by Engineer - in - charge

Returning filling in any type of soil including spreading levelling watering and well ramming in layers n.exc 25 cm thick complete all as specified and directed.

Removing excavated material (Soil) 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.

S&Fin repairs graphite carbon brushes with spring suitable for slip ring of flocculator as per existing as directed by Engineer - in - charge

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

100 mm bore

80 mm bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

15 mm bore

Supplying, fixing, laying & jointing in repair 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 clips, wall hooks etc. laid in trenches, on ground or fixing on wall and testing complete all as specified and directed of following sizes: -

100 mm bore

80 mm bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

15 mm bore

Taking up cast iron water main from trenches carefully without any damage (including all fittings) with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed for the following sizes:-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

Supply, fixing, jointing and testing in repair of cast iron pipe with spigot and socket ends suitable for run lead joints centrifugally cast class LA in any length laid in trenches complete all as specified and directed of the following sizes :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

M&L for CI fitting in repair, like cast iron bends (any type, radius and angle), tapers any type, (straight, bend, increasing, decreasing or double sockets etc.) tee pieces single branch, 'Y' junction, double branch, cross (all socket or spigot and socket) collars, caps and plug upto 150 mm bore for spigot and socket end pipes complete all as specified and directed.

M&L for CI fitting in repair, like cast iron bends (any type, radius and angle), tapers any type, (straight, bend, increasing, decreasing or double sockets etc.) tee pieces single branch, 'Y' junction, double branch, cross (all socket or spigot and socket) collars, caps and plug etc from size 200 mm bore to 400 mm bore for spigot and socket end pipes complete all as specified and directed.

S&F in repair Sluice valves cast iron body, double flanged, ISI marked (IS-14846), heavy duty, class PN-1.6 gun metal, with non rising spindle of solid forged bronze and operating handle, including rubber gaskets, nuts, bolts, washers etc complete all as specified and as directed of following sizes: -

80 mm bore

100 mm bore

150 mm bore

200 mm bore

450 mm bore

M&L for construction of brick masonry valve chamber of size 1200mm x 1200mm x 1200 mm (internal dimension) with brick masonry built in cement moter 1:6 including 15 mm thick plastering in CM (1:4) internal and external surface of chamber for sluice valves upto 400mm bore including angle iron frame with MS sheet cover and locking arrangement including applying two coats of synthetic enamel paint over a coat of primer including dismantling the existing valve chamber of any size and description complete all as specified and as directed.

All as per ser item No. 14 above but of size 900mm x 900mm x 900 mm (internal dimension) complete all as specified and directed.

M&L for cutting existing road of width not exceeding 750 mm and n.exc 1.0 m deep for laying of water mains and filling back with excavated soil except road portion and road portion 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/ Butterfly Valve by greasing/ oiling using necessary tools and plants as required as per Manufacture instructions & providing glands rope of superior quality and rubber gaskets/packing where necessary to stop any leakage of sluice valve of size 80 mm dia to 200 mm dia all as specified and directed

All as per ser item No. 17 above but sluice valve of size 250mm to 400mm dia

S&F in repair brass check nut as per existing size including opening head portion of the valve and refixing the same complete suitable for CI Sluice Valve of following sizes :-

80 mm to 200 mm dia

250 mm to 400 mm dia

Supply & fix in replacement of butterfly valve gear operated having epoxy coated cast iron body, PN 1.6, ISI marked SGI disc with integral seat of nitrile rubber, including taking down of the following sizes:- .

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

400 mm bore

450 mm bore

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

S&F cast iron body non return valve, swing horizontal type with rubberised steel ball , flanged type , fixed between existing pump and delivery pipe line of size 150 mm complete all as specified Make : NORMEX or other eEquivalent make as approved by GE

S&F in repairs 40 mm 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 (minimum weight : 690 gm) complete all as specified

S&F in repairs 25 mm 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 (minimum weight : 455 gm) complete all as specified

S&F in repairs 20 mm 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 (minimum weight : 210 gm) complete all as specified

S&F in repairs 15 mm 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 (minimum weight : 142 gm) complete all as specified

S&F in repair Bip taps of size 15 mm, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed including necessary GI fittings complete all as specified

S&F in repair gun metal gate or globe valve of following size with iron wheel head, screwed both ends for iron pipe including necessary GI fittings if required complete all as specified and directed

50 mm bore

40 mm bore

25 mm bore

20 mm bore

15 mm bore

M&L for cutting existing CI pipes, laid in position for taking out branch connection by inserting new Tee, branches, collar etc. complete all as specified and directed for the following sizes:-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

400 mm bore

M&L for burning out lead joint and taking out spun yarn carefully for the following sizes of pipes :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

400 mm bore

M&L for run lead Joint for cast iron pipes spigot and socket ends and cast iron special fitting with caulked spun yarn and lead for following size:-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

400 mm bore

S&F in repairs periphery wheel of traction rail of clarifloculator with double bearing as per existing sample complete all as specified

S&F MS Pipes of size 200 mm dia, 6 mm thick with double flanged including bends and fittings complete for fixing into pump sets suction & delivery line and integrating with main existing Header line including necessary gas welding and for provision of bends, tees, and other minor modification works as required at site complete all as specified and directed. Make : Jindal / TATA or other euivalent make as approved by GE

S&F MS Pipes of size 100 mm dia, 6 mm thick with double flanged including bends and fittings complete for fixing into pump sets suction & delivery line and integrating with main existing Header line including necessary gas welding and for provision of bends, tees, and other minor modification works as required at site complete all as specified and directed. Make : Jindal / TATA or other euivalent make as approved by GE

S&F MS flange 6 inch suitable for 200 mm dia MS pipe fixed to MS pipe by welding / duly drilled holes as per site requirement for pump/sluice valve/NRV including rubber insertion gasket, nut and bolts and washers complete all as specified and directed.

S&F Mild steel framed work as in grills, grating for valve chambers, for base frame of pump sets etc using suitable channels ,angle,plates,flat iron etc including making necessary locking arrangement etc complete all as specified and directed..

M&L for shifting of 75 HP pump sets from UG sump NO 01 of old pump house to refixing in UG sump NO 02 of new pump house and making all necessary electrical connection to existing LT panel for smooth and noise free operation including testing and commissioning all as directed by Engineer-in-Charge

S&F in repairs foot valve ball type with rubberised steel ball and CI body flanged at the end of the suction line of 200 mm bore. Make : NORMEX or other equivalent make as approved by GE

S&F in repairs Single core multi stranded copper conductor PVC insulated heavy duty cable of 50 sqmm

M&L for brick work with subclass 'B' bricks using straight or curved on plan exceeding 6 m mean radius built in cement mortar 1:4.

M&L for rendering 10 mm thick in cement plaster 1:4 on brick work or concrete surface ,finished even and smmoth all as specified

M&L for preparation of newly plastered surfaces of walls and applying three coats of white wash complete all as specified

M&L for preparation of new steel surfaces of any description over 10cm in width or girth not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified

M&L for rectification of leakages to water supply distribution lines 15 mm to 25 mm dia GI tubing by carrying out necessary earth work excavation in any type of soil , returning / filling, removing and dewatering as required ,tightening of loose joints including provision of GI fittings like union, sockets , nipple, elbow etc. as required , threading where required compete all as specified and as directed.

All as per Item No 44 above but for GI tubing of size 40 mm to 50 mm dia

All as per Item No 44 above but for GI tubing of size 80 mm to 100 mm dia

Note for item No 44 to 46 1. The quoted rate shall be inclusive of earth work eacavation in any type of soil . 2. The quoted rate shall be inclusive of necessary GI fittings and flanges, Sockets,clamps etc. as required and nothing extra shall be paid to the contractor on this account. 3. GI Pipe of lenght above 01 Meter for rectification of complaints shall be measured and paid seperately under the relevant items .

M&L for attending routine complaints of external water supply like 'No water', Over flowing of service tanks etc. including rectification of minor defects by taking down of existing GI tubing upto 25 mm dia, cutting/ threading and making joints where necessary, cleaning for blockage, opening of float valve of service tanks cleaning and repairing and refixing the same or replace the same where necessary, replacement of jumper valve / packing sheet of gate valves or replace the unserviceable gate or Globe valves and replacement of unserviceable GI fittings where required complete all as specified and as directed

All as per Item No 47 above but for GI tubing of size 40 mm to 50 mm dia bore.

Note for item No 47&48:- 1. Daily complaints shall be collected/received from the Water Supply Complaint cell of AGE E/M No-1, Filtration plant etc by the contractor and requried Nos of tradesmen shall be detailed immediately to resolve the complaint . 2. Stationery required such as complaint book, Job card etc. shall be provided by the contractor and quoted rate shall be inclusive of the same. 3. T&P including Ladder (wooden/Steel/Aluminium of required size) required for attending the above complaints shall be arranged by the contractor. 4. The complaints shall be attended and completed within 12 hours of the registration of the complaints including Sundays and Holidays. 5. The quoted rate shall be inclusive of earth work excavation in any type of soil if any . 7. The quoted rate shall be inclusive of GI fittings and flanges, sockets,clamps etc.as required . 8. Gate valves and Float valve of appropriate sizes as required shall be measured and paid seperately under the relevent items .

M&L for attending breakdown of water supply pipe line and repairs to CI water mains of size 80 mm to 200 mm dia including neceassary earth work excavation in any type of soil by using necessary tools and plants such as JCB etc. or equivalent manpower ,by dewatering from the trenches by using motar/pumps etc. rectification of leakages if any, rectify the same by cocking of lead wool, or replacement of run lead joints or replacement of CI Specials or broken pipes etc.

All as per Item No 49 above but CI water mains of size 250mm to 400mm dia .

Note for Item No 49 & 50:- (a) The CI Specials, Lead joints, cutting of CI pipes etc. shall be measured and paid seperately under respective items of BOQ/Schdule 'A' (b) The quoted rate shall inclusive of necessary earth work excavation in any type of soil and making good the damaged road surface as per existing and nothing extra shall be paid and admissible (c) Complaints shall be attended and completed immeditely within 12 hours of initiation by Department by deploying requried Tradesman, tools and plant, materials as requried at site

Supply and fix in repair Brass/ Gun metal non return valve of size 25mm screwed for iron pipe including necessary GI fitting complete all as specified and as directed by Engineer-in-Charge

Supply and fix in repair Brass/ Gun metal non return valve of size 20mm screwed for iron pipe including necessary GI fitting complete all as specified and as directed by Engineer-in-Charge

NIDHI CONSTRUCTION