SPECIAL REPAIRS / REPLACEMENT OF OLD UNSERCEABLE TRANSFORMERS AGAINST BER AT SOA UNDER GE DEOLALI

Amount

Supply, Install, commissioning and testing of Transformer step down, indoor type, copper wound complete with standard fittings HT 11/0.433 KV, 3 phase, LT 433 Volts, 3 phase 4 wire with off loads tapping on HT side to varry secondary voltage with in limit, all as per IS: 2026 of capacity 400 KVA with connection, including all accesories complete all as specified and directed.With External cooling tubes, core type delta type connected on primary ( HV side) and LV side star connected in accordance with vector symbol DYN-11 ( Vector Group-4)with neutral brought on secondary (LV) side & having tapping in equal steps of 2.5% from +/-2.5%, to +/-5% on primary side by means of hand operated Off load Tap changer, so as to correct change LT Voltage on secondary side incl provn of all necessary standard fittings all as per IS-1180 complete all as specified and directed.

All As per Item No 01 above but Outdoor type capacirty of 200 KVA

All As per Item No 01 above but Outdoor type capacirty of 100 KVA

Supplying laying jointing and testing 3 core x 120 sqmm XLPE insulated, PVC bedded galvanised steel strips armoured heavy duty power cable with aluminiam conductor suitable for rated voltage of 11000 volt grade Earthed system and manufactured by triple extrusion using single (comman) crosshead extrusion technique and dry cure inert gas cured cross linking process and conforming to IS: , laid in trenches/ducts/pipe or on poles complete all as specified and directed

Supply and jointing heat shrinkable end termination joints for 11 KV ( Earthed) XLPE cable size of 120 Sq mm 3 core Outdoor type complete all as specified and as directed. Make : Mseal/RAYCHEM/Dension

Supply and jointing heat shrinkable end termination joints for 11 KV ( Earthed) XLPE cable size of 120 Sq mm 3 core Indoor type complete all as specified and as directed. Make : Mseal/RAYCHEM/Dension

Earthing complete with galvanised Mild steel earth plate electrode size 600 x 600 x 6 mm thick buried directly in ground (preferably in vertical position earth pit not less than 2.25 mtr below normal ground level with top edge of the earth plate not less than 3 mm (BGL) connected to galvanised iron strip 32x6mm as earthing lead by means bolts, nuts check nuts including PCC pit in RCC 1:2:4 type B-I, 20 mm bore medium grade, GI water tubing fixed with CI funnel wire mesh 15 mm light grade for protection pipe including charcoal common salt complete all as specified in EP No 3 of SSR -1991 Part-I connected to test complete all as specified.

Supply and installation of earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawin in conduit / pipe or fixed to poles or any other indicated situation for loop earthing etc as required 32x6mm GI strip incl taking down u/s strip any type complete

Excavation in trenches not exceeding 1.5 metres wide and not exceeding1.5 metres in depth and getting out in soft soil complete all as specified.

Returning, filling in, including spreading , leveling , watering and well ramming in layer not exceeding 25cm each layer all as specified.

Removing excavated material not exceeding 50M and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified.

Sand cushioning to underground cables provided with a layer of sand 8cm thick before laying the cable in trenches and 15cm thick after laying the cable in trenches complete all as specified.

Supply and laying reinforced precast concrete HT cable cover, class HV, Type-1 flat size 300x180x40mm complete all as specified

Suply and fix Aluminum conductor steel reinforced for HT/LT line on steel poles stretching without kinks and bends including binding wires all as specified of size: 6/1x 2.59 sqmm and 6/1x 2.11.

M & LCross arms bracing supports , clamps and back plate fabricated frame structural steel section including nuts , bolts , washers , welding , binding , cold or hot , drilling hole for bolts in any shape or size indicated or directed and inclusive of one primer coat and one finishing coat of alum. Paint complete all as specified.

S&F in repair 'Tubes "light grade" galvanised iron, laid under roads/drain, fixed to poles, walls, with flat iron clamps bolts/nuts/washers of sizes of 80 mm dia bore complete all as specified and directed.

M&L for cutting of PCC/Hard standing/WBM road not exceeding 20 cm in width not exceeding 45 cm in depth for passing of LT cable and making good of disturbed surface to match with the existing surfaces by using old and new material i.e bitumen / PCC (1:3:6) type C-1 complete all as specified and directed .

KOYNA ENGINEERS PVT LTD

DHARMESH ENTERPRISES

M/S SANTOSH CONSTRUCTION CO