WBPHED/EE/AMD/NIeT-17 of 2024-2025/6

Amount

Supply delivery the following materials at site :-

Supply delivery and storage at site Full Bore type Electro-Megnatic Flow Meter on 250 mm dia Rising main line and as per specification DN-250, DIN PN-10 With IP 68 Rating.

Supply delivery at site 3 Core X 6 Sqmm 1.1 KV Grade flat submersible copper conductor cable.(For 5 Nos RBTWs)(20 Mtr. For Each RBTW (Make : Approved Make ) (3 nos. T/W X @ 20 m Cable per TW).

80 mm dia. ERW M.S. column pipe having thickness 4.85 mm,(as per IS 1239 Part-I Heavy Type) having 11 TPI thread at both end with one heavy type socket and painted by 2 coats of anticorrosive synthetic paint.(Each pipe 1.5 mtr long)(5 Nos Column Pipe for Each RBTW @ X 5 Nos RBTWs= 25 Nos-20 Nos in Stock) (Make : Approved Make )

Vertical submersible pumping machinery directly coupled with wet winding type suitable size submersible motor with following specification: Capacity-45 m3/Hr. at a Head of 41 mtrs.,Motor submersible type-10 HP, 3 phase,50 Hz+/- 3%,415 Volt ± 6% ,2900 RPM, Star-delta starter.(Test certificate and guarantee certificate is to be submitted at the time of delivery)( Other 4 Nos S/M P/M Set Supplied by Department) (Make- Approved Make)

Supply and delivery and storage at site 3 Core X 10 Sqmm Al.Ar. Cable , XLPE Insulated 1.1 KV Grade conforming to IS 7098(I) and as per Technical Specification given in NIT. (Test certificate and guarantee certificate is to be submitted at the time of delivery)( Extra Cable Stored at site)

3 core 1.1 KV Grade 50 sq. mm. XLPE Insulated Al. Armoured Cables (From PDB cum MCC Panel to motor)

3 core 1.1 KV Grade 4 sq. mm. XLPE Insulated Al. Armoured Cables (From actuator feeder of PDB cum MCC Panel to Actuator BFV)

12 core 1.1 KV Grade 1.5 sq. mm. XLPE Insulated Armoured Copper control Cable.

Supply and delivery at site of split type M.S. combine Nos clamp made with M.S. Flat 40 mm width x 6 mm thick of size 150 mm dia or as per size of collecting line and arrangement for drawing the cable through this clamp with suitable No. of drilled holes on clamp for fixing and holding of 10 mm2 Al. Ar. Cable & pump collecting main lines including necessary nuts, bolts, washer etc as per direction of EIC. (20 Nos. @ x 3 Nos T/W)

Making straight through joint between 1.5 mm2 or 2.5 mm2(motor cable) and 3 core X 6 mm2 submersible flat copper cable for extension of motor cable up to required lengh by supplying necessary seal kit to make joints leak proof all complete as per direction.(One For Star and Other for Delta)

Sand cutting and removing from the river bed Ajoy for withdrawing and laying of cable line up to the depth of 1.5m from the damodar level as per direction of EIC.(New cable laying)

Earth work in excavation of Cable line trenches, in all sorts of soil including removing, spreading or stacking the spoils within a lead of 75 m. as directed &filling the same with excaveted soil including ramming dressing after all complete. The item includes necessary trimming the sides of trenches,levelling,dressing and ramming the bottom,bailing out water as required complete.(For Two Nos of RBTW)

Depth of excavation not exceeding 1,500 mm.

Laying of 3 Core X 10 Sqmm Al. Ar. Cable along the length of G.I. collecting line including fixing with supplied clamps, nuts and bolts at a suitable interval so as to prevent sagging of cable complete as per direction of EIC.(Panel to RBTW)(For Four Nos RBTWs)(3 x 300 mtrs)x 2Nos cable

Filling the trenches with excavated sand by engaging manual labour as per direction.(Both new cable laying and damaged cable withdrawing)

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm.including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work)

With earth obtained from excavation of foundation.

Installation of 03 Nos submersible pumping machinery along with 80 mm dia. M.S. column pipe part by part in the newly sunk tube wells with an arrangement of derrick, lifting tackles, tools and plants etc. on hire basis and binding the vertical submersible cable with the column pipes properly and fixing M.S. Top Cover on the tube wells with supplying necessary Clamps, nuts, bolts, washers etc. all complete as per direction, along with Fitting fixing of the Newly supplied Flow Meter (Sl. No 1.01)

Making straight through joint of 3 core 10 mm2 and 3 Core X 6 sqmm Cu flat submersible cable by supplying ferule and necessary socket all complete as per direction.

Finishing the end of 3 Core X 10/16 Sqmm XLPE armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes,anticorrosive paste & jointing materials.

Supply, Delivery and Fitting Fixing of Power contactors , for High Lift Pumping Machinery, 3 Pole, DIN Rail Mount Type ,415 Volt, 65 A, IE AC3, for 30 KW Motor. (Make- Approved Make)

Uproating and cutting bushes and jungle top and side of the tube-well line and cleaning also of the deposited garbage from the collecting line for laying of cable.

Taking out the two nos. ejector assemblies from the gaseous chlorination sysytem after disconnecting all lines and connections and dismantling the same part by part and cleaning washing with proper cleaning agent to segregate serviceable & un-serviceable spares, along with re-assembling & re-connecting the same after necessary repair with departmentally supplied spares, all complete as per direction of EIC

Supply and delivery of following spares at site to repairing Gaseous Chlorination system:-

1'' PVC Double Union type Ball Valve.(Make- Approved Make)

½'' PVC Double Union type Ball Valve.(Make- Approved Make)

1"x 3/4" PVC Male Adaptor Brass Threaded - MABT (SCH 80)

3/8" x 1/2" PVC Adapter(Make- Approved Make)

1¼" x 3 m PVC diffuser(Make- Approved Make)

Horizontal multi-stage, end suction centrifugal pump (Booster) having Head=20 mtr, Q=3.3 m³/hr, impeller- S.S, Shaft- AISI and duly fitted with mechanical seal, Coupled with 0.46 KW, 3 phase,50 Hz motor suitable to handle water. (Make:r Approved Make)

Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories,specials viz. socket, bend, tee, union, cross, elbow, nipple,longscrew,reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc.complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately)(To making whole chlorine dosing network)

15 mm dia(For Exposed Work)

32 mm dia (For Exposed Work).

Making new dosing line from ejector to both CWR (new & old) by fitting fixing all the newly supplied items as mentioned in Sl.2 along with making suitable suspension system for the PVC dosing line over the CWR with suitable size MS clamping system and making saddling system for the PVC pipe to prevent from sagging with 25mm MS angle x 3200 mm long all complete as per direction of EIC

Thorough servicing of the gas line along with servicing of the liquid trap after taking out from the system and cleaning washing with proper cleaning agent and re-fitting fixing the same to the system

Fitting fixing of the above newly supplied Boosting Pump and spares on the existing position part by part with new ejector pipe line with necessary fitting materials and necessary welding job by expert mechanic, making base foundations for booster pump (Approx-200 mm height) and installed the same complete the job as per direction of EIC and as per IS:10553.

Brick work with 1st class bricks in lime and surki mortar (1:3) ( 1 lime putty/paste: 3 surki) lime to be slaked at site and the mortar to be prepared with such lime putty and first class surki made from kiln burnt bricks having its fineness modulus between 2 and 2.5 and which passes through B.S. sieve No 8 with correspondes to I.S sieve No 200 with considerable grinding and pugging it complete. (For Transformer Fire wall between 02 nos 400 KVA Transformer).

In Super structure, Ground Floor.

Supply and erection of 07 Nos MS-Chequered plate of 1100 mm × 600 mm size of Rectangle shape of 6mm thickness for Sub-Station Trench. (47 Kg/ Sq. Mtr)

Add. GST@18%

Add. Cess@1%

M/S. Sajahan Chowdhury (BID ID -5463033)

B T PROJECTS PRIVATE LIMITED (BID ID -5537030)

WEST BENGAL ENGINEERING CO. (BID ID -5468175)