WBPHE/01/RSD OF 2026-27 (SL NO.1)

Close Bamboo Walling made of 65mm to 75mm dia. bamboos (in single line) driven about half-length into the ground side by side, with stout stays at an interval of 1m, 3nos. of half split bamboo runner of same dia fitted and fixed with nails etc. complete as per direction. (Measurement to be taken along the length of piling after finishing the works). (ii) With bamboos of length above 2.00m and upto 2.50m

Earth work in filling in compound, tank, low land, ditches etc. with good earth, in layers not exceeding 150 mm. including breaking clods and consolidating the same by ramming and dressing complete. (Payment will be made on profile measurement before and after the work) (ii) With carried earth arranged by the contractor within a radius exceeding 3 km. but not exceeding 5 km. including the cost of carried earth.

Supply empty cement bags in good condition.

Labour for filling Gunny bags with dry earth, stitising the bag carrying and placingin position all complete.

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

Plaster (to wall, ) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] In ground floor (b) 15 mm thick plaster(1:4)

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes.

Supplying, laying, fiting, fixing and jointing of UPVC pipes conforming to IS:4985-2000 with latest revision and amendments, if any, with necessary UPVC/CI specials, CIDF sluice valves, as per relevant I.S. specification including supplying required quantity of nuts, bolts and rubber insertion (CIDF sluice valves will be supplied by the department free of cost) as required at site by adopting suitable method so as to facilate the maintenance of pipe line locally as per conventional method including back filling the trenches with good earth obtained from excavation of trenches including consolidation with watering in layer not exceeding 150mm thk. with maintaining an average depth of cushion of 1.10mtr. from the top of pipe line including making interconnection with distribution pipes etc. all complete as per drawing direction and satisfaction of the E.I.C. 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 (iii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves. ii)75 mm (OD)

Supply and delivery of CIDF sluice valve (Special type) PW-1.00 of different dia make with CI double flanged non rusting spindle sluice valves conforming to IS 14846 -2000 with latest emended having body dome/bonnet and cover of C.I.Gr-F.G 210mtr. spindle of IS-6603 G.R12/Gr-13 non-magnetic, nuts seat rings are of Gunonetal as per IS:318 LTB-2 flanges and drilled to IS:1538 Part IV & VI valves are suitable for max. working pressure of 10kg/cm2(seat test) and body tested to 15kg/cm2. N.B: The above item should be procured from the reputed manufactures as per deptt. approved vender list i) 100 mm dia.