WBPWD/EE-II/KNHED/NIQ-68/20-21

Amount

DG SET Supply , delivery at site on foundation , commissioning of 250KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-II approved Engine & Acoustic Enclosure as per detail specification attached ( uploaded in the specification section )

INSTALLATION OF DG SET Providing cement concrete foundation for the DG set with 1:2:4 (1 cement : 2 course sand : 4 graded stone aggregate 20 mm nominal size)[M20 grade ] including excavation, providing base concrete with 1:5:10 cement concrete, required centering/ shuttering, finishing the exposed portion etc. as reqd. ( Item will be paid based on measurements for 1:2:4 CC, but excluding the 1 : 5: 10 leveling course of base concrete) as per direction of E-in-Charge and manufacturer recommendation.

Supply & fixing of exhaust gas piping of 150 mm dia MS black class B pipe welded incl. all necessary bend supports and clamps anti vibration mounting insulation of exhaust system with 50 mm thick mineral wool covered with wire mesh and aluminium cladding ( from DG sets to top of the building plus 3mtr or as per CPCB) for 250 KVA DG set as per direction of EIC.

S&F special type MS angle iron support structure made of MS angle with flat iron clamp with nuts, bolts & washers etc. for 150 mm. dia exhaust pipe.

S&F rain protection canopy for 150 mm exhaust pipe

Hire charges for scaffolding by bamboo required rope of square type arrangement for smooth working & carriage of MS black pipe by vertical run & dismantling at the end of work.

S& delivery of 500 ltrs. Capacity heavy gauge MS sheet barrel with MS angle made support stand.

Supply & making of fuel pipe line completed with 40mm MS pipe, ball valves, elbow, matching flanges, gaskets, nut bolts etc.

Supply & delivery of best quality oil hand pump with 1" dia PVC flexible pipe (12' ft. approx.)

S & pouring (including transportation) of HSD for testing & immediate run of DG set incl. carrying charge

Supply & laying of 1.1 KV grade 10 core 1.5 sq.mm. PVC copper conductor control cable on existing cable tray for interconnect DG set with AMF panel.

S& laying 120 sq. mm. single core multistrand PVC insulated flexible Cu wire in suitable size of PVC flexible pipe (reinforced) from nutral earth busbar to transformer point as required (for Transformer /Generator neutral earthing) including Socketing both sides by Cu Socket.

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 65 mm x 8 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos.12 mm dia holes on the GI pipe

Extra treatment of soil by using salt & charcoal for plate electrode as to G.S.

Supply & Fixing of earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Connecting the equipments body to earth busbar incl. S & F 25 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Supplying & fixing medium gauge 80 mm dia GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required ISI-M.

Supply & Delivery of 1.1 KV grade XLPE/PVC insulated. PVC sheathed, steel Armoured Al. conductor Cable of the following size, and conforming to IS: 7098(Part-I):1988/1554(Part-I):1988/ 5831:1984/ 3961(Part-I):1967/ 3975:1970/ 10810:1984 / 3975:1970 /8130:1984/ 3961:1967/ 10418:1982 / 10810:1984 as amended upto date, in respect of component materials and tests, and as per the approved makes list attached herewith. [Make - Nicco / Gloster/Polycab/Havells/RR Kable] (i) 4 core 240 sqmm

Laying of one No. cable above 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed

Laying of cable on existing Cable Tray and binding with suitable size GI wire.

Laying of cable on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting

Laying only Cable through existing RCC/ Hume/GI Pipe/open masonary trench.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of following XLPE/PVC armoured Al cables incl. finishing the end with Al socket (Dowels make), anticorrosive paste, tapes etc. 4 C x 240 sqmm A/Al cable

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials : 4 C x 240 sqmm A/Al cable

Design, Manufacture, testing, supply and commissioning of Double door outdoor type Distribution Feeder Pillar box conforming to Indian Standard IS : 5039-1969 with latest amendments,suitable for use on 3 phase 4 wire, 400/440 Volts 50 Cycles A.C. Supply and shall be suitable for short circuit fault of 31 MVA at 415 Volts, fabricated as per size, design & drawing to be approved by EIC. The Enclosure shall provide Degree of protection IP -54 in accordance with IS : 2147 -1962 with its latest ammendmentThe feeder pillar box will be fabricated by CPRI approved fabricator as per detail specification attached ( uploaded in the specification section )

[ Rates Should be quoted including all Taxes and Duties]

C. CHOWDHURY AND CO

PARTHA SARKAR

R.T.ELECTRICALS

SHANKAR BHATTACHARJEE