WBPHED/EE/MAAD/NIeT _10 of 2025-2026. Sl. No. 05

N.B: i) Any deviation from required clear cover of 1.10mtr., due to site adverse condition, prior permission is to be obtained from the EIC in exceptional situation and payment will be made on prorate basis over the rate of entire item ii) No payment will be made without hydraulic test of the pipe line either part or full iii) The pipes, specials and valves , rubber gasket will be supplied deptt. free of cost.

a) 100 mm dia

b) 150 mm dia

c) 250 mm dia

d) 300 mm dia

a) 100mm dia.

b) 150mm dia.

a) 150mm.dia.to 200 mm.dia pipe

a) 150mm dia.

N.B. i) Manufacturer’s test certificate for UPVC pipe & specials to be produced before laying of pipe line. ii) 3rd party inspection of UPVC pipe & specials to be done by CEPET or (India) SGS/NTH Kolkata or as per direction of EIC as per approved vender list. iii)No part payment at any stage on account of supply of materials shall be entertained. iv)Payment will be made on actual consumption of materials. v)UPVC pipes for the works to be supplied as per approved vendor list and as per direction & satisfaction of EIC. No pipes will be allowed beyond recommendated vendor list. vi)Submission of drawing of pipe line with statement of materials consumed between node to node points against each R.A. & final bill.if so. vii) Any deviation from required clear cover of 1.10mtr.due to site adverse condition, prior permission is to be obtained from EIC and payment for such work will be made on prorate basis over the rate of entire item. viii)All pipe connection shall be completed in all respect and as per directionof EIC. Decision of EIC in this respect is final & binding. In case of any deviation/or any left out pipe connections an amount of Rs.10,000.00 for each pipe connection will be realized/recovered from the bill. (A) Pressure Rating : Class - III (ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves.

a) 140 mm (OD)

A) For CI/DI pipe

a) 100mm dia.

b) 150mm dia.

c) 250mm dia.

d) 300mm dia.

B) For UPVC/HDPE Pipe

a) 140 mm (OD)

i) 100 mm dia

iii) 200 mm dia

iv) 300 mm dia

(a) 300mm inner dia MS

(b) 250mm inner dia MS

Derusting, scraping, brushing and cleaning (to the extent of exposing the original surface; the outer surface of manufactured M.S. pipes and specials, applying first coat of synthetic primer Type-B as per 18:15337:2003 of approved make over it and wrapping the same with coal tar based insulating tape 2mm thick as per 18:15337:2003 of approved make and applying the second coat of synthetic primer Type-B (As specified above) over the firs layer of insulating ktape and wrapping kthe same with second layer of 2mm thick coal tai based insulating tape (as specified above) in staggered pattern(including overlapping ai ends) by torching etc. as per manufacturer's specification and as per direction of EIC (Each layer of protective wrapping shall be tested with Holiday detector at Contractor's coat and the Contractor shall repair all holidays to the satisfaction of EIC at no extra cost (Payment will be made on finished area of work).

Welding in M.S. structural work with gas or electric:(a) continuous Weld

Track welding

Cutting to requisite length or shape departmental R.S. joists, channels, angles, tees, plates etc.

ALL SOCKET TEE 300 X 80

ALL SOCKET TEE 300 X 100

Double Socket Bend 300 X 11.25

Double Socket Bend 300 X 90

Flange Socket 300

Mechanical Collar 300

ALL SOCKET TEE 250 X 80

ALL SOCKET TEE 250 X 100

Double Socket Bend 250 X 22.5

Double Socket Bend 250 X 45

Double Socket Bend 250 X 11.25

Double Socket Bend 250 X 90

Flange Socket 250

Mechanical Collar 250

ALL SOCKET TEE 200 X 80

Double Socket Bend 200 X 45

Double Socket Bend 200 X 11.25

Double Socket Bend 200 X 22.5

Mechanical Collar 200

Flanged Spigot 100

FLANGED SPIGOT 80 IS9523

In ground floor including roof.

(a) upto 150 mm. thick

(i) Pakur Variety

Add Includng GST @18%

Add Includng CESS @1%