WBPHED/EE/JD/e-NIT- 15/2025-26

IRON ELIMINATION PLANT

Supplying, fabrication, erection on suitable R.C.C. foundation and commissioning with 3 (three) months trial run (including cost of routein testing of water sample for performance evalution) of pressure type Iron removal plant as per design norms of the P.H.E. Dte. with necessary accessories viz. MS fabricated shell with minimum 10 mm thick MS plate with 2 (two) coats of anticorrosive paint & minimum 12 mm thick MS media supporting plate fitted with required no. of pot strainer, MS fabricated oxidation chamber with minimum 10 mm thick plate with necessary pipe connection, valves, gauges & other instruments as required, as per departmental approved design & drawing including cost of filter media. Air compressor & Air blower with motor starter, main switch etc. of required capacity & approved specification including power connection from main line etc. all complete.(Rate excludes the cost of concrete Platform & drain, and the cost of Blower Room)(For more than 50 cum/hr. twin unit of equal size in paralled shall be adopted.)

Capacity = 25 CuM/Hr.

Ordinary cement concrete (Mix 1:2:4) with graded stone chips (20 mm normal size) excluding shuttering and reinforcement, if any, in ground floor as per relavent IS code. a) River bazree

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm. As directed and consolidating same by thorough saturation with water ramming complete,including the cost of supply of sand (Payment to be made on measurement of finished quantity)

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] With 1:4 cement mortar, 10 mm thick plaster

Neat cement punning about 1.5 mm thick in wall,dado, window, sills, floor, drain etc. (Note: Cement 0.152 cu.m. per 100 sq.m.)

Hire & labour charges for shuttering with centering & necessary staging upto 4m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs,beams, and columns, lintels, curved or straight including fitting fixing & striking out after completion of works (upto roof of ground floor) 25 mm to 30 mm shuttering without staging in foundation.

Supply the following materials for connection of inlet, outlet, overflow, washout of OHR as per dept. Drawings (A) CIDF pipe Class - B as per I.S. 7181-1986 with latest amended.

Supply the following materials for connection of inlet, outlet, overflow, washout of OHR as per dept. Drawings (B) CIDF Duck foot bend as per I.S. 1538-1976 with latest revision (D) C.I.D.F. 90 Bend as per I.S. 1538 ( Part - XXI) - 1976 with latest amended.