WBPHED/EE/AMD/ NIeT-24-2026/5

Amount

Supply and delivery of following materials at site:-

FRP lined full hood for 100 Kg baby chlorine cylinder.(Make:-Capco recomended/Other approved make)

100 mm dia Flexible rubber hose pipe.(From Hood to Blower)(Make:-Capco recomended/Other approved make)

PP FRP Centrifugal Blower Direct Driven Blower RPM 2880 Cap –250 M3/hr @500 mm WC MOC-Casing – 5/6 mm PP FRP Sheet, Impeller – 6/7 mm FRP Sheet, mm, Inlet & Outlet size – Dia 100 mm, With 2 HP TEFC, Motor IE3 efficiency.(Make:-Capco recomended/Kay international/Other approved make)

100 mm dia UPVC/PP diffiuser 1.5 Mtr long.(Make:-Capco recomended/Other approved make)

100 mm dia SS Clips for clamping hose to blower & Hood.(Make:-Capco recomended/Other approved make)

100 mm dia UPVC Pipes rating PN-2.5.(From Blower to Neutralization Pit)(Make:-Capco recomended/Other approved make)

100 mm dia UPVC Flanges ASME B16.5.(Make:-Capco recomended/Other approved make)

100 mm dia some UPVC Fittings (4 Nos Tee, 4 Nos Elbow, 4 Nos Coupler etc) as per requirement.

3 CoreX 2.5 Sqmm industrial flexible copper cable wire/dia-50/0.25 PVC insulated with PVC sheathed.(For Blower Motor) (Make:-Approved Make)

63 Amp, 415V, TPN SFU with sheet steel enclosure on flat iron/angle iron frame on wall with nuts bolts etc, spacious sheet steel enclosure, separate cable gland box not required, terminal shrouds on both sides and phase barriers included, conforms to IEC 60947-3, IS/IEC 60947-3, suitable for DIN fuse-link, door interlock & padlock facility incl. S & F 3 nos. DIN type HRC fuse-63 Amps rating.(Make-L & K, FN 63 TPN, Cat No-SK90484*+Fuse Unit Cat No-SF94940/Other approved make)(In Chlorine Room)

4 Core X 4 Sqmm industrial flexible copper cable wire/dia-56/0.30 PVC insulated with PVC sheathed.(From Feeder Box to SFU)(Make:-Approved Make)

2 HP DOL starter with relay range 2.5-4 Amps, coil voltage 440 Volts, suitable for 415 VAC, 3 Phase, 50 Hz.(Make:-L & K, Model No-MK1 DOL, Cat No-SS96210PORO/Approved make)

Making of Neutralization Pit(Size 2.5 Mtr X 1.5 Mtr X 1.5 Mtr):-

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.

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.

(i)Single brick flat soling of picked jhama bricks, including ramming and dressing bed to proper level and filling joints with local sand.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening andremoval of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.(a) For works in foundation and upto roof of ground floor/upto 4 m.(i) Tor steel/Mild Steel I. SAIL/ TATA/RINL.

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.(4 inch)

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

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.(50 mm X 50 mm X 6 mm MS angle)

(A) Partition of commercial ply as per design fitted and fixed complete (excluding the supporting framework but including necessary teak wood battens of size 40mmx 25 mm): In Ground Floor.-12 mm thick

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.

FRP lining for neutralization pit.

Supply of Caustic Soda(NAOH) 99.00 % concentration.(To filled the neutralization Pit)

Installation of above said materials from 1.01 to 1.12, making RCC foundation for Blower then fixed by inserted SS foundation bolts, laying of pipe lines from Hood to blower to Pit by using supplied pipes and fittings, proper placing the diffiuser into neutralization pit, fitting, fixing of SFU & starter as per electrical drawing, doing all necessary connections into Motor, drawing power line from Panel to SFU by G.I. saddling, earthing arrangements for Motor by using 25 mm X 6 mm G.I. Strip into chemical treated earth pit also foundation, cover with CI made Chequred plate, next proper connection with FRP hood by using clamping clips, all works should be done by as per IS:4263(1967) wholly satisfaction of EIC.

Testing the whole arrangements as per direction of EIC, also thoroughly trained our chlorine operator in this regard and teached properly.

Add GST @ 18%

Add CESS @ 1%

BENGAL CONSTRUCTION (BID ID -7070135)

M/s. SOMA ENTERPRISE (BID ID -7070016)