WBPWD/EE/N24/EL/e-NIQ165/24-25

Amount

Supplying, installation, testing & commissioning of LT cubical type fully compartmentalized distribution panel board (Raw Normal Power), having rigid and self supporting structure fabricated with 14 SWG CRCA sheet with M.S. angle iron frame (main frame with 50 x 50 x 6 mm angle and each vertical compartment with 40 x 40 x 6 mm MS angle iron). The base of panel should be made with 75 mm x 40 mm x 4.4 mm M.S. channel. (Main LT panel comprises of one no. 630 A, ACB, MDO as incomer) [Manufacturer/Fabricator having Test Certificates from CPRI]. An Auto Cad Drawing of this item has to approved by EIC before making of it mentioning all major technical details with specification and make of each and individual part.

Construction Details: All incoming & outgoing switches are to be housed in respective compartments hinged and gasket doors at the front. All doors should have panel locking arrangement in such a fashion that it can not be on unless the feeder remains in off position. The rear panel should gasketed arrangement will be made of easy accessibility to each compartment by providing rear panel doors with locking system . The panel is to be properly gasketed to prevent the dust & vermin. All vertical bus bar chambers is to properly arrange and all electrical equipments are to be fixed by nuts and bolts on suitable Hylam board / porcelain insulators of adequate size and dimension. The outgoing feeder connection from respective switches are to be made at rear side of panel by means of busbar, copper multi core cables, to be terminated on bolted type terminals for cable connection or on bush insulators for bus bar connection. Each compartment will be providing with DMC/FRP board at back side.

Incoming Arrangement: 415 V, 630 A, 50 kA 4(four) pole manually draw-out type A.C.B. with Microprocessor-based protection release. (Make – L & T/ Siemens/ABB) ----- 01 no. (LSIG protection)

Busbar section: 500V, 800 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar Copper bus bar mounted on non-hygroscopic porcelain insulator / hylam sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification - 1 set. The busbar is to be rigidly supported on suitable non-hygroscopic insulating materials of robust ration to with stand electromechanical stress in the event of earth fault. All connection to bus to made by suitable nuts & bolts. The busbar is too wrapped with coloured PVC (Red. Yellow, Blue & Black) for colour identifications.

Outgoing arrangement: a) 415 V, 250 Amps TPN SFU units with HRC fuses (Make:- L&T/Siemens/ABB/ Schneider) in open exexution.---- 03 nos. b) 415 V 125 Amps TPN SFU units with HRC fuses (Make:- L&T / Siemens/ABB/ Schneider) in open exexution.---- 01 no. c) E.I. Danger Board of suitable size ------- 1 no.

Metering panel: a) Multipurpose Meter Digital Type Load Monitor ( Make L&T/SIEMENS/ABB/ SCHNEIDER) - 1 no. b) Indicating LED Lamp with colour glasses showing (Red/Yellow/Blue/Amber) (Make: Siemens /L&T/ABB/ SCHNEIDER) - 3 sets. (R, Y - 2 sets & R, Y, Amber for ACB On/Off/Trip) c)630/5 Amp ratio C.T (Kappa or equivalent) --- 3 nos. d) Supplying & Fixing 6 Amp SP MCB ---- 9 nos.

Interconnection: All interconnection between incoming main to busbar are to be made with suitable size electrolytic tinned Copper bars or equivalent flexible pve insulated multistranded single core Aluminium cable and the same between busbar to each outgoing mains and & for metering arrangements are to be made by suitable size of Copper with proper socketing of the end of each wire leads.

Earthing: A separate continuous GI earth busbar of size 50mm x 6mm is to be placed at the inside bottom of the panel and run across the full length of the panel board atleast extended for 75 mm at both side end of panel and should have drill hole to fit in 12x50mm GI nut bolt for earth strip connection. The complete panel board is to be spray painted after required surface treatment by 7 tanks process / sand blasting with 2 coat of red oxide primer & 2 coat of finished paint over dried or powder coating.

Installation: The complete panel board is to be installed on suitable brick padestal as directed by the E.I.C. All incoming/outgoing switches is to be properly lebeled on Acrylic sheet as per direction of EIC.

Supplying & fixing 415 V, 415 A TPN SFU with sheet steel enclosure (Make: L&T/Siemens/ABB) on angle iron frame on wall with nuts, bolts etc. incl. S & F 3 nos. DIN type HRC fuse as per rating.

Supply & delivery of following size of 1.1 KV grade, XLPE/PVC insulated Al armoured cable. (Make: Gloster/Polycab/RR Kabel) 4 core 185 sq. mm

4 core 150 sq. mm

4 core 95 sq. mm

Laying of 4 core 185, 150 & 95 sq. mm Al armoured cable in underground trench 460 mm wide x 760 mm average depth with brick protection on the top of the cable with 08 (eight) nos. bricks per mtr. including filling the space between the bricks and cable and also the trench with shifted soil, leveling up and restoring surface duly rammed. [185 for meter room to ACB (85 mtr.), 150 for emergency loads at Old & Annex buildings (205 mtr.) & 95 for ACB to CT scan (25 mtr.)]

Supplying & fixing 100 mm dia medium gauge GI Pipe (ISI-Medium) protection with necessary fittings and jointing metarials as required.

Laying of 4 core 185 sq. mm cable through floor/pavement/wall after cutting floor/pavement/wall and making holes including embedding the cable at an average depth of 100 mm and mending good the damages to original finish including removing the rubbish.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of following size of XLPE/PVC Al armoured cable. 4 core 185 sq. mm

4 core 150 sq. mm

4 core 95 sq. mm

Finishing the end of following Al armoured XLPE/PVC cable by crimping method incl. supplying and fixing solderless socket (Make: Dowels), tapes, anticorrosive paste & jointing materials. 4 core 185 sq. mm

4 core 150 sq. mm

4 core 95 sq. mm

Laying of 150 & 95 sq. mm cable on wall/surface including S & F MS clamps with earthing attachment in 2 x 10 SWG GI (Hot dip) wire, making holes etc. as necessary, mending good damages and painting. (150 cable - 25 mtr. & 95 cable - 25 mtr.)

Supplying & fixing sheet metal (16 SWG) Iron clad busbar chambers of the sizes: 4 bars, 415 V, 600 A, Dimension of Cu bars (850 mm long) - 4 x (2 x 40 x 5) mm, Dimension of sheet metal box- (500 x 150) mm on angle iron frame on wall, incl. earthing attachment and painting as required. (As per drawing no.- 470 of PWD Specification Book- May, 1991)

Supplying and fixing 415 V, 200 A, TPN on load front operated changeover switch (Make: L & T/Siemens/ABB) with sheet steel enclosure on angle iron frame on wall with nuts, bolts etc.

Supplying & fixing 415 V, 200 A TPN SFU with sheet steel enclosure (Make: L&T) on angle iron frame on wall with nuts, bolts etc. including S & F 3 nos. DIN type HRC fuse as per rating.

Supplying & fixing 415 V, 250 A TPN SFU with sheet steel enclosure (Make: L&T) on angle iron frame on wall with nuts, bolts etc. including S & F 3 nos. DIN type HRC fuse as per rating.

Excavation of soil for installation of earth electrode and filling & ramming. (For soft soil)

Earthing with 50 mm dia ISI-Medium GI pipe 3.64 mm thick x 3.04 mtr. long and 1 x 4 SWG GI (Hot dip) wire (4 mtr. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 mtr. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 mtr. below the ground level.

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.

Supplying & fixing earth busbar of galvanized (Hot dip) MS flat 40 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

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

M/S R. K. ENTERPRISE (BID ID -5498228)

Messrs HI- Q - ENTERPRISE (BID ID -5499658)

SINHA TRADING CORPORATION (BID ID -5559367)