Renovation of High Tension Substations by replacing outdoor DP structure by RMU and VCB panel at substation i and II.

Amount

Supply , Installation, Testing & Commissioning of 11KV 630A VCB 1I/C+3 O/G VCB OUTDOOR PANEL BOARD outdoor type , with 1 Incoming SF6 filled & 3 nos Outgoing SF6 Filled Vacuum Circuit breakers with details complete in approved manner as per the specification as per the direction of Engineer Incharge.No of Feeders --4 (1 Incomer & 3 Outgoing) Schneider Electric/ABB/L&T Make at Substation I (Details as are given at page 37 & 38 of Tehnical Bid Volume II).

Supply , Installation, Testing & Commissioning of 11KV 630A VCB 1 I/C+2 O/G VCB OUTDOOR PANEL BOARD outdoor type , with 1 Incoming SF6 filled & 3 nos Outgoing SF6 Filled Vacuum Circuit breakers with details complete in approved manner as per the specification as per the direction of Engineer Incharge. No of Feeders --3 (1 Incomer & 2 Outgoing)Schneider Electric/ABB/L&T Make at Substation I. ( Details as are given at page 39 & 40 of Tehnical Bid Volume II).

Supplying & laying in provided trench at site following cable:- HT XLPE, PVC sheathed, G.I.Round armoured, Aluminium conductor Cable of 11 KV grade, (E) 3 core x 300 Sq.mm. Make:-Polycab / GLOSTER/Asian at NCL site. Cable should have clear embossing of Make, Voltage Grade on running length. Rate is inclusive of :- Transport, loading Unloading, unwinding, laying of XLPE insulated, PVC sheathed,armoured, aluminium conductor HT Cable of 11 KV grade, 3 core x 300 sq.mm.HT cable in trench &Testing of cable from authorised Test Laboratory.

S.I.T.C.of INDOOR type Cable end termination by using Raychem Heat Shrinkable Cable Termination kit for H.T. XLPE ,armoured, aluminium conductor 11 KV grade, (E), 3 core x300 sq.mm.cable. The jointing should be executed from Raychem Company authorized cable jointer. Rate should be inclusive of necessary gland(Epoxy packing,lugs,nut bolts, washers etc complete. The contractor have to give written gurantee of TWO YEARs for each HT termination.

S.I.T.C.of OUTDOOR type Cable end termination by using Raychem Heat Shrinkable Cable Termination kit for H.T. XLPE ,armoured, aluminium conductor 11 KV grade, (E), 3 core x300 sq.mm.cable. The jointing should be executed from Raychem Company authorized cable jointer. Rate should be inclusive of necessary gland(Epoxy packing,lugs,nut bolts, washers etc complete. The contractor have to give written gurantee of TWO YEARs for each HT termination.

S.I.T.C.of Straight Through type Cable joint by using Raychem Heat Shrinkable Cable Jointing kit for H.T. XLPE ,armoured, aluminium conductor 11 KV grade, (E), 3 core x 300 sq.mm.cable. The jointing should be executed from Raychem Company authorized cable jointer.The contractor have to give written gurantee of TWO YEARS for each HT joint. While making joint care should be taken to match the existing cors & phase sequence with existing cable( This is for jointing new cable supplied vide Item No.1 to existing HT cable)

Labour charges required for disconnecting & removing existing 3 x 300 Sq.mm. HT cable from the H.T.pole/VCB & Transfomer.The rate includes labour charges required for digging to remove cable. Rate should be inclusive of a.Removing end termination from HT pole,VCB & Transformer, b.Removing HT cable from pole, c.Removing the underground cable about 1.2mtr deep with necessary care, d.Laying the removed cable from exisitng pole in the new cable trench.

Supply & Installation including excavation of 250mm dia heavy duty Hume pipe NP2 for road crossing.Including all collars, bends, jointing with cement morter 1:2, including trenching & refilling etc complete.s etc., complete.

Making trench in ground including excavation in hard strata of suitable width of 1200 mm deep and laying 3 core x 120 Sq.mm HT electrical cable in it and embedding the same with screened sand bed below and above of 30 cm thick. Half round hume pipe of 150 mm placed length wise on top of the cable all over the run and backfilling the excavated earth without stone and other hard/sharp material and making the surface proper with 15 cm. crown on the top etc including site cleaning as required by site Engineer. Considering the hard ground strata use of Compressor may be required to dig the trench. Contractor should inspect the site carefully before quoting.

Supplying & erecting C.I.Cable route marker with inscription engraved as “HT CABLE” on it.The flag should be of 100mm dia 5mm thick & MS angle of 60cm long for grouting.The marker should be grouted in cement concrete with necessary curing thereof with silver painting.

Supply, installing, and testing of maintenance free earthing comprising of electrode of 17.2 mm diameter Low Carbon Steel with 250 micron molecular copper bonded earthing rod of Length 3m along with Carbon based environment friendly back fill ground enhancing compound required to fill up the excavated earth with required quantity (min. 125kg) complete, and recording the results specification no. EA-MF

Supplying & Laying on wall or under ground G.I. earth strip of size 50mm x 6mm, 0.5m below ground including excavation as an earth conductor including connections / termination with nut bolts,spring washer etc. As required.(Jointing shall be done by overlapping & with 2 sets of G.I. bolts & spring washer spaced at 50mm.)

Supplying & Laying on wall or under ground G.I. earth strip of size 25mm x 3x2mm,0.5m below ground including excavation as an earth conductor including connections / termination with nut bolts,spring washer etc. As required.(Jointing shall be done by overlapping & with 2 sets of G.I. bolts & spring washer spaced at 50mm.)

Supplying and fixing PVC Synthetic elastomer electrically insulating mat with class B insulation conforming to IS:15652 – 2006 & CPRI tested having 2.5 mm thickness upto 11 kV

Supplying & erecting Carbon Dioxide (CO2) fire extinguisher of 4.5 kg. capacity cartridge type conform to IS 2878 /15683 complete erected with necessary clamp made from 50 x 6 mm. M. S. flat with nut & bolts routed in wall complete

Providing round bottom FIRE Bucket of 9 Litres capacity asper IS : 2546 made out of 24 gauge G.I. sheet with extrahandle at bottom duly painted white inside and red outside with FIRE Mark, on provided stand/ wall hook.

Providing floor mounting stand for keeping 4 Nos. of FIRE buckets 1500mm in length, 900mm in height framemade out of 30x30x4 mm angle iron with cross supports forlegs, welded with 4 hooks and duly painted with one coat o fred lead and two coats of silver paint.

Dismantling the MS poles inthe substation of height upto 8.00mtrs from the foundation alongwith the cross arms & plinth with the help of mechanical means carefully & return to the NCL stores at the distance of about 800mtrs. Care should be taken while dismantling & removing the pole so a not to damage the othe raccessories loacted in the vicinity of Pole.

Dismantling the GOAB switch/DO Fuse located on the DP structure with the help of mechanical means carefully & return to the NCL stores at the distance of about 800mtrs. Care should be taken while dismantling & removing the GOB switch so a not to damage the othe raccessories loacted in the vicinity of Pole.

Dismantling the All Aluminium stranded/Solid Copper conductors 7/3.10 mm. from the Pin insulator carefully & retunr the Busbar to the NCL stores located at about 800mtrs distance.

SIDDHAI ELECTRICALS (BID ID -746629)