REPAIR/ REPLACEMENT AND MAINT OF CI/GI/DI/ PPR PIPE LINE AND HDPE PIPE LINES AND CONNECTED WKS AT OTUSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

Demolition of Cement Concrete (un-reinforced) in Ground Floors and Pavings not exc. 150mm thickness (above or below Ground Level), complete all as specified and directed.

Demolition of Brick Work built in Cement Mortar including all Quoins, Arches, Pillars, etc. of any descriptions, complete all as specified and as directed.

M&L for plain cement concrete (1:3:6) type C-2 (40mm graded aggregate) as in foundations, fillings, and mass concrete etc., complete all as specified and directed.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation or for shafts, wells cesspits, manholes etc., not exceeding 10 sqm on plan and getting out in soft/loose soils, complete all as specified and directed.

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

Removing excavated material not exceeding 50 metre and deposited where directed at a level not exceeding 1.5 metre above the starting point in soil complete all as specified and directed.

M&L Brick Work with fly-ash bricks (with Old Size Bricks), Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed.

M&L 10 mm thick rendering in cement mortar (1:4) to brick or concrete wall surfaces, finished even and smooth without using extra cement, all as specified and as directed.

M&L for preparation of new plastered surfaces of any description and applying two coats of acrylic distemper, white or tinted on walls cornices etc over a coat of alkali resistant primer complete all as specified and directed.

Taking up/down CI/DI water mains and connections/ fittings of any type from trenches /walls/floors/(or any other location) for replacement /reuse in old/new location/ diversion by burning out /removing of lead joints/ tyton joints/rubber gasket joint complete all as specified and directed for the following size of pipes :- (Note: Necessary earthwork, if any shall be measured and paid separately under relevant item.

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Relaying of CI/DI water mains after thoroughly cleaning, with new fittings fixed to wall/ceiling/floor or laid in trenches complete all as specified and directed for the following size of pipes :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Supply, laying and testing of cast iron pipes with spigot and socket ends centrifugally cast of Class 'A' in any length, laid in trenches complete all as specified and directed for following size of pipes :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Supply, laying and testing of cast iron pipes with flanged ends centrifugally cast of Class 'A' in any length, laid in trenches complete all as specified and directed for following size of pipes :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Supply, laying, connecting and testing of ductile iron pipe, spigot and socket ends, class K-7 in standard working length conforming to IS-8329 laid in trenches, complete all as specified and directed for the following size :-

Burning out lead joints in position of cast iron pipes, fittings and re-making joints using old retrieved lead complete all as specified and directed for following size of pipes :-

80mm bore

100mm bore

150mm bore

200mm bore

Note for Item No 15.01 to 15.04: In case, inadequate lead is retrieved from burning out, for remaking joints, additional lead required shall be measured and paid separately as "Supply only".

S&F CI bends upto 150 mm bore (any type, radius and angle) taper any type (straight, bend, increasing, decreasing or double socket etc) tee pieces, 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs complete all as specified and as directed.

All as per item No 16.00 above, but fittings for pipes of 200 - 300 mm dia

S&F DI bends upto 150 mm bore (any type, radius and angle) taper any type (straight, bend, increasing, decreasing or double socket etc) tee pieces, 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs complete all as specified and as directed.

All as per item No 18.00 above, but fittings for pipes of 200 - 300 mm dia

Taking up or down GI Steel Water Tubing including Connections and Fittings, Segregating Serviceable Pipes & Fittings, Stacking properly at Site(s) and keep in Safe Custody for re-use, complete all as specified and as directed for the following size of pipes :-

100mm bore

80mm bore

50mm bore

40mm bore

25mm bore

20mm bore

15mm bore

Relaying/Re-fixing Galvanised Steel Tubing and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush, laid in trenches complete all as specified and directed for the follwing size of pipes :-

100mm bore

80mm bore

50mm bore

40mm bore

25mm bore

20mm bore

15mm bore

Relaying/Re-fixing Galvanised Steel Tubing and Connections in New or Old Position (Serviceable Pipes and Fittings obtained from taking down item) after Cleaning both Inner and Outer Surfaces of Pipes by using of Wire Brush, fixed to walls and ceilings or laid in floors complete all as specified and as directed for the follwing size of pipes :-

100mm bore

80mm bore

50mm bore

40mm bore

25mm bore

20mm bore

15mm bore

Supply, Laying and testing Steel Water Tubing, Galvanised, ‘Medium Grade’ with all Fittings, laid in trenches or any other Situation, complete as all specified and directed for the follwing size of pipes :-

100mm bore

80mm bore

50mm bore

40mm bore

25mm bore

20mm bore

15mm bore

S&F Cast Iron Sluice valve of Class PN-1.6 long body type, heavy duty, ISI marked (IS 1538) flanged end with iron wheel and brass spindle including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed for the following size of pipes :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

S&F in repair, Cast Iron non-return valve, with bypass arrangement, ISI marked, with flanged ends including rubber gasket joints, nuts, bolts etc complete all as specified and directed for the following size of pipes :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

S&F Gun metal gate valve as per IS : 778-84 Class-1 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repairs, complete as all specified and as directed for the following size of pipes :-

50 mm bore

40 mm bore

25 mm bore

20 mm bore

S&F in repair Buller fly valve DI body with stainless steel disc & Stem , nitrile/EPDM liner, level operated, ISI marked, with necessary rubber gaskets, nuts and bolts and washers of suitable size complete all as specified and directed for the following size of pipes :-

80mm bore

100mm bore

150mm bore

200mm bore

S&F in repair CI butterfly valve, BS-5155 Gear operated with necessary rubber gaskets, nuts and bolts and washers of suitable size complete all as specified and directed for the following size of pipes :-

80mm bore

100mm bore

150mm bore

200mm bore

Supply only lead confirming to IS 782 complete all as specified and as directed.

M&L complete removal of existing paint from water supply pipeline network of 50mm bore including valves, NRVs/joints of any type and size at various pump houses and aplying two coats of synthetic enamel paint (colour/shade as approved by Engr-in-Charge) and marking the water flow directions on pipe lines complete all as specified and as directed for the following sizes :-

50 mm bore pipe

65 mm bore pipe

80 mm bore pipe

100 mm bore pipe

150 mm bore pipe

200 mm bore pipe

Construction of valve chamber of size 900x900x800mm internal size suitable for housing sluice valve/ gate valve etc with PCC 1:4:8 type D2 for foundation 15mm thick with an offset of 5 cm on all sides, 230mm thick brick work in CM 1:4, 15mm thick rendering in CM 1:4, 50mm thick PCC 1:2:4 type B1 coping all over brick work around, including provision of MS angle iron frame 40x40x6mm embedded in concrete with suitable hinges 5mm thick MS sheet cover and locking arrangements including two coats of synthetic enamel paint over a coat of red oxide metal primer on exposed steel surfaces, with and including demolition of existing damaged valve chamber and necessary excavation & earth work etc., all as specified and directed

Cutting of existing CI/DI pipe to required length for insertion of Tee/Valves/Taking branch connection /addn/altn/etc complete all as specified and as directed by the Engineer- in -Charge for the following size of pipes :-

100 mm bore

150 mm bore

200mm bore

M&L for cutting of road/hard standing not exc 30cm in width and not exc 60cm in depth for removal/laying of water tubing including returning filling and making good the disturbed surfaces with PCC 1:2:4 type B1 using 20mm graded aggregates, 100 mm thick, on top, finishing surfaces even and smooth without using extra cement complete all as specified and directed.

S&F in repair MS studs with nut & bolts of any size or length with suitable mild steel washers for joining flange pipes/valve gland etc complete all as specified and as directed.

Taking out suction pipe of 200mm bore with defective CI foot valve/stainer of 200 mm dia and replace foot valve (ISI marked) including necessary nut, bolt, washers and cutting threading of GI pipe if required and lowering in the sump complete all as directed by the Engr-in-Charge.

Taking out suction pipe of 150mm bore with defective CI foot valve/stainer of 150 mm dia and replace foot valve (ISI marked) including necessary nut, bolt, washers and cutting threading of GI pipe and lowering in the sump complete all as directed by the Engr-in-Charge.

Taking out suction pipe of 100mm bore with defective CI foot valve/stainer of 100 mm dia and replace foot valve (ISI marked) including necessary nut, bolt, washers and cutting threading of GI pipe and lowering in the sump complete all as directed by the Engr-in-Charge.

S&F in repair Rotational Moulded Polyethylene (HDPE) Water Storage Tank (Cylindrical Vertical with Closed Top), Black in Colour, Three Layered Construction, hoisted and fixed in Position all specified in MES Schedule Part-I including provision of 25mm x 100mm GI nippples with check nuts for inlet, outlet wash and overflow pipe including Lowering of old/ unserviceable Water Storage Tank of any description, complete all as specified and as directed for the following capacities :-

500 Litres

1000 Litres

2000 Litres

Supply, laying and testing of 110 mm outer dia, 3- layer PP-R Polypropylene random copolymer) pipes SDR 11 UV stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed by Engr-in-Charge.

All as per Item No. 39.00 above, but of 90 mm outer dia

All as per Item No. 39.00 above, but of 63 mm outer dia

All as per Item No. 39.00 above, but of 50 mm outer dia

All as per Item No. 39.00 above, but of 40 mm outer dia

All as per Item No. 39.00 above, but of 32 mm outer dia

All as per Item No. 39.00 above, but of 25 mm outer dia

All as per Item No. 39.00 above, but of 20 mm outer dia

S&F 20 mm bore Ball brass valves, high pressure, with HDPE float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed. (MAKE : PRAYAG, Cat No. B-152 or equivalent model in JEXON / POLYTUF / SHAKTI)

All as per Item No. 47.00 here-in-before but 25 mm bore Ball brass valves. (MAKE : PRAYAG, Cat No. B-153 or equivalent model in JEXON / POLYTUF / SHAKTI)

All as per Item No. 47.00 here-in-before but 40 mm bore Ball brass valves. (MAKE : PRAYAG, Cat No. I-155 or equivalent model in JEXON / POLYTUF / SHAKTI)

S&F Mild steel Pump set base frame suitable for 7.5 to 15 HP pump set including necessary dismantling of old PCC and provision of new PCC 1:2:4 type B1(20mm graded stone aggregate) foundation, Mild steel foundation bolt, nut & washers as in repair complete all as specified and as directed. (NOTE: Quoted rate is deemed to be inclusive of the cost of PCC foundation)

S&F Mild steel Pump set base frame suitable for 20 to 25 HP pump set including necessary dismantling of old PCC and provision of new PCC 1:2:4 type B1(20mm graded stone aggregate) foundation, Mild steel foundation bolt, nut & washers as in repair complete all as specified and as directed. (NOTE: Quoted rate is deemed to be inclusive of the cost of PCC foundation)

UNITED ENGINEERS

M/S SHRI P K ACHARJEE

MS JYOTI INDUSTRIES

JOY-EN-JOY

MS HORIZEN

SK CONSTRUCTION SYNDICATE & ENGG CO

SIMPLEX DRILLING COMPANY