WBPHED/EE/AMD/ NIeT-23 of 2025-2026/1

Amount

Supply of following materials at site:-

500 mm dia, P.N.-1.6, Cast iron double flanged single door swing non-return valve generally conforming to IS:5312 Part I, having body, door, cover in graded cast iron to IS:210 Gr.FG200, body and door rings & bearing block of leaded tin bronze to IS:318 Gr.LTB 2 (350mm & above), hinge pin of st.st.AISI410, valve suitable for a maximum working pressure of 16 kg/cm2 (Seat test) & body tested to 24 kg/Sqcm.(Make- Approved Make)

100 mm dia, P.N.-1.6, cast Iron kinetic double orifice air release valve generally conforming to IS: 14845, body of CI to IS: 210 Gr. FG 260 having small orifice elastic ball resting on a gunmetal orifice nipple and large orifice vulcanite ball seating on a moulded seat ring, with built-in kinetic features, isolating sluice valve mounted in a horizontal position, inlet faced and drilled to IS 1538 Table 4 & 6.Valves suitable for a maximum working pressure of 16 kg/cm².(Make- Approved Make)

100 mm dia, P.N.-1.6, Cast iron double flanged Non- Rising Spindle Sluice Valve generally confirming to IS:14846 having body door /dome/Bonnet and cover of cast Iron Gr FG 260, Spindle of IS:6603, Gr-12 cr-13, spindle nut & seat rings are of Gunmetal as per IS:318 LTB 2. Flanges flat faced and drilled to IS:1538 Part IV & VI, Valves are suitable for maximum working pressure of 16 kg/sqcm (seat test) and body tested to 24 kg/sqcm, All the valves should be tested by closed end method only.(Make- Approved Make)

Conesphere eccentric design short body type electrically gear operated, double flanged cast iron butterfly valves generally confirming IS :13095, having body, disc and end cover in graded cast iron to IS: 210 GR FG 260 EPDM rubber face ring secured on disc by a SS AISI 304 retaining ring with stainless steel screws, rubber ring seating on a corresponding SS AISI 304 seat in body, Shaft Stainless Steel; AISI 410 valves suitable for a working pressure of 16 kg/cm² seat test & body tested to 24 kg/cm². Flanges drilled to IS 1538 Table 4 & 6. Motorized valves are operated by suitable ROTORK syncropak/Auma Epac electrical actuator having inbuilt reversal starter.(Make- Approved Make)

500 mm dia with 2 Mtr long Headstock.(P.N.-1.6)

450 mm dia with 1.7 Mtr long Headstock.(P.N.-1.0)

200 mm dia with 1.7 Mtr long Headstock.(P.N.-1.0)

150 mm dia with 1.7 Mtr long Headstock.(P.N.-1.0)

MS dismantling joints with Rubber Compression Ring and adjustable follower flanged complete assembled unit with galvanized stud and nuts.

500 mm dia DM Joint.(P.N.-1.6)

450 mm dia DM Joint.(P.N.-1.0)

200 mm dia DM Joint.(P.N.-1.0)

150 mm dia DM Joint.(P.N.-1.0)

500 mm dia MS Slip on Flange as per IS:6392.

100 mm dia MS Pipe as per P/E conforming to IS:1239 PART-1, Class-C, Heavy Duty Type (2004).

100 mm dia MS Flange as per IS:1538.

500 mm dia, 9.5 mm thick MS Pipe as per P/E confirming to IS:3589 Gr.330.

Concentric Reducer 200 mm X 150 mm dia as per IS:2062.

450 mm dia MS Flange as per IS:2062.

150 mm dia MS Flange as per IS:2062.

200 mm dia MS Flange as per IS:2062.

450 mm dia, 9.5 mm thick MS Pipe as per P/E confirming to IS:3589 Gr.330.

200 mm dia, 9.5 mm thick MS Pipe as per P/E confirming to IS:3589 Gr.330.

150 mm dia MS Pipe as per P/E conforming to IS:1239 PART-1, Class-C, Heavy Duty Type (2004).

2 mm thickness CRCA Sheet steel enclosed cubical type indoor wall mounted 415 Volt, Valve Actuator Panel having 4 Nos Valve control starter feeders as per NIT specification.(Make- Approved Make)

3 Core X 4.0 Sq. mm. XLPE insulated, 1.1 KV grade Al.Ar Cable as per IS:7098(Part-1)2011. (For MCC Panel to individual valve actuator)

12 Core 1.5 Sq. mm², 1.1 KV Grade, XLPE insulated Copper armoured control Cable. (For MCC Panel to individual valve actuator)

3½ Core X 25 Sqmm 1.1 KV Grade XLPE insulated Al.Ar Cable as per IS:7098(Part-1)2011. (For MCC Panel to valve actuator panel)

100 A TPN Main Switch with Re-wireable fuse link within sheet steel enclosure.(Make -Approved make)

M.S. Nuts & Bolts.

Rubber Sheet 6 mm thick.

Earthing of Valve Actuator panel as per ISS and IE rules.(Earth Pit 2 Nos)

Atfirst removing damaged Sluice, air release valve & N.R.V. from the existing trench (450mm,500mm,200 mm,150mm) of O.H.R. delivery line, then placing newly supplied actuator operated butterfly valve, N.R.V., & Air release Valve at the same place, making flange joints also replacing damaged dismantle joints, rubber sheet, Nuts & bolts etc, then installation of Valve actuator panel on wall of pump house, laying of power & control cables through G.I. saddling, Soil trench, PVC pipes doing all necessary connections, functioning the panel through main switch act as a incomer,from existing panel feeders of the pump house, this cost includes all welding & erection jobs by using all kind of tools & tackles etc, also painting of pipe lines, as per direction of EIC & wholly satisfaction of EIC.

Testing of whole system as per direction of EIC.

Valve Chamber making Portion:-

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. a) In ground floor including roof.

Surface Dressing of the ground in any kind of soil including removing vegetation inequalities not exceeding 15 cm depth and disposal of the rubbish within a lead upto 75 m as directed.

Ordinary Cement Concrete (mix 1:1.5:3) with graded stone chips (20 mm Nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. a) Pakur variety.

Brick work with 1st class bricks in cement mortar (1:4) (b) In superstructure, ground floor.

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, (c) 10 mm thick plaster.

Net cement punning about 1.5mm thick in wall, dado,floor etc.

M.S. structural works in columns, beams etc. with simple rolled structural members(e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc.II) II) For Structural Works in Roof Trusses etc. using joists, channels and angles of specified section weighing less than 22.5 kg/ m.

Add GST @ 18%

Add CESS @ 1%

EASTERN INDIA SALES AND SERVICE (BID ID -6883440)

Tarun Kumar Bhattacharya (BID ID -6885803)