PWD/SE/KEC/NIT-16/18-19

Amount

SUB HEAD I: SITC OF 11KV VCB PANEL & TRANSFORMERS Supply & Delivery Indoor-type, floor mounted,metal clad, single tier, fully compartmentalized,free standing, 11 kV VCB Panel with single VCB (1 Incomer & 1 Outgoing feeder), totally enclosed and fully interlocked, horizontal drawout, horizontal / vertical isolation type breaker as per IS 13188, as ammended upto date and as per detail specification attached (uploaded in the Annexure-A-Detail specification of the Items), suitable for use on 11 KV, 3 Phase, 50 Hz AC supply to energise one 500 KVA and Dry Type Transformers. [Make: ABB / Siemens / CGL].

Installation & commissioning of the above 11 kV VCB Panel with P.T & all the accessories including carriage, by placing in position, assembling, lining up, levelling and checking all instruments, relays, correctly set according to requirement.

Supply & Delivery of Cast Resin / VPI Dry Type 11KV/415V 500 KVA, 3 Phase,50Hz, Dyn11,copper wound, Class F insulation associated with winding temperature indicator/controller,having cable end box in the HV & LV sides and all accessories and conforming to IS 11171-1985 & IS - 2026 with latest modification (if any) & CBIP Specification and as per detail specification attached (uploaded in the Annexure-A-Detail specification of the Items) [Make: ABB/Voltamp (Vadodara) / CGL].

Installation & commissioning of 11 KV/ 415 volt, one 500 KVA distribution transformer incl. carriage to the substation building within a lead of 30mtr by placing in position and fixing after leveling fitting all components, connecting, checking & set of all instrument, relays according to requirement as instructed by the EIC incl. S&F base channels etc.

SITC of floor mounted Indoor type extensible cubical MV switchboard,fabricated by CPRI approved panel maker having compartmentalized design, fabricated out of 14 SWG (2.0 mm) nominal thickness CRCA sheet steel,front and back openable, hinged, single shuttered, with incoming ACBs & Outgoing MCBS and all accessories as per size, design & drawing to be approved by EIC and conforming to IS with latest modification and as per detail specification attached (uploaded in the Annexure-A-Detail specification of the Items) [LT MAIN PANEL No-I IN THE SUBSTATION]

SITC of floor mounted Indoor type extensible cubical MV switchboard,fabricated by CPRI approved panel maker having compartmentalized design, fabricated out of 14 SWG (2.0 mm) nominal thickness CRCA sheet steel,front and back openable, hinged, single shuttered, with incoming ACBs & Outgoing MCBS and all accessories as per size, design & drawing to be approved by EIC and conforming to IS with latest modification and as per detail specification attached (uploaded in the Annexure-A-Detail specification of the Items) [LT MAIN PANEL No. 2 IN THE SUBSTATION]

Making testing arrangement and submitting the test report for high voltage testing of specified voltage incl. checking & testing of all HT / LT equipments by authorized firm of Directorate of Electricity & commissioning the installation after obtaining the Approval of Directorate of Electricity.The scope shall be also included the necessary approval from Authority also.

SUB HEAD II - HT/ LT CABLING IN SUBSTATION Supplying of 11KV (UE) Grade XLPE Aluminium conductor, PVC sheathed, armoured cable conforming to IS 7098, of earthed system of following size. [From Supplier HT Gear to Consumer HT Gear and to Transformer]. [Make : Nicco / Gloster/Polycab/Havells/Crystal] (a) 3 Core x 300 Sq.mm

Making heatshrinkable joints indoor type to the ends of the following XLPE HT cable at the transformer end as well as at the VCB ends supplying with necy. jointing kits, sockets, sleeves, anti-corrossive paste, wires, solders, jointing compounds, rubber sheets etc. incl. supplying of necy. tools & tackeles for crimping the end sockets, soldering irons & making of glands at the both end of the cable as per directions of EIC. (a) 3 Core x 300 Sq.mm

Laying of 1 No. 11KV (UE) Grade XLPE Aluminium conductor, PVC sheathed, armoured cable confirming to IS 7098, of earthed system of following size in the existing Masonary Open Duct as required. (a) 3 core 300 sqmm 11KV XLPE HT cable

Supplying of PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade conforming to IS 7098 of following size in the existing Masonary Open Duct. [From TR & DG set to main panel]. [Make: Nicco / Gloster/Polycab / Havells/Crystal] (a) 4 Core x 300 sq.mm

Laying of PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing Masonary Open Duct. (a) 3 nos 4 Core x 300 sq.mm

Supplying and making end termination with Brass compression gland and aluminium lugs for the following sizes of PVC insulated and PVC sheathed aluminium conductor cable of 1.1 KV Grade as required. (a) 4 Core x 300 sq.mm

Supply & Drawing 1.1 KV Grade 7 Core 1.5 sq.mm PVC Armoured Copper Cable from Transformer WT relay to VCB WT relay for Power & Control Supply as per direction of EIC

Supply & Drawing 1.1 KV Grade 2 Core 2.5 sq.mm PVC Armoured Copper Cable from power DB to VCB on wall with GI saddle.

SUB HEAD III - EARTHING S& laying 240 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.

S& laying 240 sq. mm. single core multistrand PVC insulated flexible Cu wire through pre laid GI pipe from earth electrode to earth busbar as required (for Transformer /Generator neutral earthing) including Socketing both sides by Cu Socket.

Earthing with Copper plate (610x610x3mm size) having weight of 9.84 Kg and 1 No. 25x5mm Copper strip (3.20 mt long) & 1 no. 6 sqmm PVC insulated stranded Copper wire (4 Mt long) incl. S & F 15 mm dia GI pipe (ISI-Medium) protection (4 mt. long) to be fillied with bitumen, partly under the ground level & partly above ground level as per detail specification attached (uploaded in the Annexure-A-Detail specification of the Items) [FOR TRANSFORMER NEUTRAL AND DG SET EARTHING]

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

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

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.

Excavation of soil for installation of Earth Electrode and filling & ramming. For Soft Soil

Supply & fixing earth busbar of galvanized (Hot dip) MS flat 65 mm x 8 mm on wall having clearence of 6 mm from wall incl. providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

Insulating the 65 x 8 mm M.S. flat incl. S&F black heat shrink PVC sleeves etc. The PVC tube sleeve to be inserted on the GI flat and heat shrinked by heating apparatus by skilled technician carefully without damaging the PVC sleeve as per direction of the EIC (for transformer neutral earth bus bar).

Connecting the equipment body to earth busbar by supply and fixing 50 mm X 6 mm G.I. flat (Hotdip) on wall /floor with GI saddle including connection with G.I. nut, bolt, spring, washer etc. as required.

S & F special type earth electrode clamp made of GI flat with nuts, bolts,, washer etc. suitable for 80 mm dia GI pipe earth.

SUB HEAD - IV (SAFETY EQUIPMENT) Providing & fixing danger plates made of mild steel at least 2mm thick & vitreous enameled white on both sides & with inscription in signal red colour on front side as required. (a) High Voltage - size 250mm x 200mm

Do----Do----Do (b) Medium Voltage - size 200mm x 150mm

Providing and fixing carbon dioxide (CO2) type fire extinguishers conforming to IS 15222-2002 and cylinders fully charged of following capacity(4.5 Kg ) [Make - Fire Shield/ Ceasefire]

Supply and fixing of foam fire extinguishers conforming to IS 4989-2006, Portable type 9 lit capacity hanged on wall with bracket complete as required. [Make - Fire Shield/ Ceasefire]

Supply and fixing safety instruction chart in word duly framed with 5mm thick glass as required (approx. Front area 1.20 sq.mt.)

Providing of set of 4 nos. 9.5 litre capacity GI bucket painted in post office red colour with prior coat of red-oxide paint and written with white paint 'FIRE' and mounted on MS angle iron frame with bracket and suitable base of appropriate size & capacity I/c filling sand etc.

Providing First Aid Box as approved by St. John Ambulance Brigade / Indian Red Cross conforming to IS 13115-1991.

Supply and fixing shock treatment chart duly mounted on a wooden frame with 5mm thick glass as reqd. (approximate front area 1.20 sq.metre).

Providing of rubber mat 2 mtrs Length x 1 m. wide and 12mm thick to withstand 15 KV dielectric strength as per IS 15652-2006.

Providing of rubber mat 2 mtrs Length x 1 m. wide and 6mm thick to with stand 3.3 KV dielectric strength as per IS 15652-2006.

S/F of 860 mm wide and 8 mm thick M.S checker plate including painting for covering the trench.

S/F of 11 KV Grade rubber Hand Glaves (ISI approved)

SUB HEAD V- LT CABLING FROM SUBSTATION Supplying of one number 1.1 KV Grade XLPE insulated and PVC sheathed aluminium conductor cable (Armoured) conforming to IS: 7098 / 1988 with its latest amendment of following size. [From Main panel]. [Make: Nicco/Gloster/Polycab/Havells/Crystal] (a) 4 Core x 150 sq.mm

Do----Do----Do (b) 4 Core x 95 sq.mm

Do----Do----Do (c) 4 Core x 25 sq.mm [MAIN LT PANEL TO SUBSTATION TPNDB]

Laying of PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing Masonary Open Duct. (a) 2 nos 4 Core x 150 sq.mm

Laying of cable as below, after cutting floor/pavement/wall/ and making holes incl., embedding the cable at an average depth as below and mending good the damages to original finish including removing the rubbish. From 2.5 sqmm to 35 sqmm at an average depth of 75 mm in floor/pavement/wall etc.

Do----Do----Do above 35 sqmm to 95 sqmm at an average depth of 100 mm in floor/pavement/wall etc.

Supply & Drawing 1.1 KV Grade 2 Core 16 sq.mm PVC Armoured Copper Cable from battery bank to battery charger and to DCDB on wall with GI saddle.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below including 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. a) 4 Core 25 Sq. mm

Do----Do----Do (b) 4 Core x 150 sq.mm

Do----Do----Do (c) 4 Core x 95 sq.mm

Do----Do----Do (d) 7 core 1.5 sq.mm copper cable

Do-----Do-----Do (e) 2 core 2.5 sq.mm copper cable

Do-----Do-----Do (f) 2 core 16 sq.mm copper cable

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

SIKDER ENTERPRISE

CHAKRABORTY ENTERPRISE

M/S N. C. HORE