80922 Special repairs to power supply cables for refit store complex at NSRY under GE Haddo, Port Blair

Amount

Taking down old unserviceable LT UG cable of any size complete all as directed.

Supply, laying, testing and commissioning of LT XLPE insulated, sheathed, armoured heavy duty electric aluminium conductor cable 1100 Volts grade of size 3.5 core x 500 Sqmm laid in trenches, ducts, on pole, on wall with suitable clamps etc.,) complete all as specified and as directed by Engineer-in-Charge.

All as per item No.2.00 above but 3.5 core 70 Sqmm LT UG Cable

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep for foundation of poles, cables, pipes stays and struts etc. and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25cm in soils complete all as specified and directed.

Removing surplus excavated soil to a distance not exceeding 50m depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

M&L for road cutting for laying of LT cables and making good with shali patch cold bitumin premix all as specified and directed.

M&L for structural steel of MS anlge clamp of any size & section, cutting, welding, fabricating for supporting of cable etc all as specified and directed.

Supply and laying GI pipe 100mm dia medium grade at road crossings/ obstructions complete all as specified and directed. [Make : TATA/PRAKASH/JINDAL/ZENITH/BANSAL]

Supply and laying in trenches or in cable ducts, HDPE DWC pipe of size 120mm (OD) X 103.5mm (ID) along with connected accessories like couplers, bends, end caps etc. for LT/HT cables protection complete all as specified and as directed by Engineer-in-charge. [Make : Rex Poly Extrusion ltd/ Tirupati Plastomatics Pvt td]

Supply and laying HDPE DWC pipe size 77mm (OD) x 63mm (ID) along with connected accessories like couplers, bends, end caps etc for LT/HT cable protection complete all as specified and as directed by Engineer-in-Charge [Make : Rex Poly Extrusion ltd/ Tirupati Plastomatics Pvt td]

Supply and fixing of 4 pole, manual drawn out electrically operated Air circuit breaker of capacity 1000A. 50KA @ 440 V AC with microprocessor based tripping system against short circuit, instantaneous and earth fault protectio along with motor mechanism, closing coil, shunt release and instaneous under volt release pre trip alaram and individual fault LED indications all as specified and directed. Make : Cat No.SL96063 OF L&T or equivalent in Schniender/ SIEMENS/ ABB. Note : The quoted rate is deemed to be included necessary fabrication and modification to existing LT panels and bus bars as per site requipment for fixing the ACB.

Taking down existing LT panel board and supply and fixing of Out door LT panel/ LT pillar box of required size with following specifications. Fabrication details: CPRI approved main frame 3.15 mm thick CRCA sheet, partition sheets/ covers/ doors of 3.15 mm thick CRCA sheet, gland plates 3.15 mm thick MS sheet (undrilled), base frame on ICMS channel with provision of incoming and outgoing cable entry at the bottom for outdoor installation, free standing floor mounted with degree of protection IP-65 and locking arrangements. Bus bar details : Material shall be aluminium bus bar, sleeving heat shrinkable type, with bus bar sizes for phase 75mmx20mm aluminium Flat, neutral 75x10mm aluminium flat and bus bar support of epoxy type. Painting details : Pillar box shall be powder coated and painted with two coats of synthetic enamel spray paint over a coat of redoxide primer.

Accessories for Piller Box: 0-500V Digital volmeter -01 No and 0-630V Digital ammeter-01 No 0-500A), (Flush type) and Indication lamps (LED) -03 No (a) Incomer : - 1000A 4 pole, ACB -1 No (Cat No.SL96063 of make L&T or equivalent in Schneinder/ABB/Legrand & 1000A 4 pole Change over switch-1 No (Cat No.CO51000OOOO of make : L&T or equivalent in Schneinder/ ABB/ Legrand (b) Outgoing :- (i) 250 A, 4 pole MCCB, 36 KA- 4 Nos (Cat No. CM98065OOPO of make : L&T or equivalent in Schneinder/ ABB/ Legrand (c) 125 A, 4 pole MCCB, 30KA - 4 Nos (Cat No. CM90679OOLO of make : L&T or equivalent in Schneinder/ ABB/ Legrand Note : (i) All MCCBs should be of adjustable over load 80-100%, with thermal magnetic release Ics = 100% Icu, suitable for any type of loads, (ii) Quoted rate is deemed to be inclusive cost of ACBs, MCCBs, Volt meter, Ammeter, Indication lamps, Change over switches and connected wiring with necessary spreader links, lugs, stainless steel glands and connecting of cables of complete all as specified as per site conditions and as directed by Engineer-in-Charge. (iii) Earth work and PCC foundation for fixing of LT panel is deemed to be included in the quoted rate. (iv) LT panel drawings shall be approved by Engineer-in-Charge and GE.

M&L for earthing complete with GI strip of size 32 x 6 mm thick earth plate electrode 600 x 600 x 6mm thick, buried directly into ground vertically not less than 2.25 Mtr below the ground level with top edge of the earth plate to a depth not less than 1.5Mtr below the ground level, connected to a Galvanised 32 x 6 mm including GI protection pipe 15mm bore light grade connted from electrode up to test point including necessary earth work, funnel arrangement etc as per electrical plate No.5 of SSR Part-I Note : Qoted rate is deemed to be incusive of necessary excavation and earth work in any type of soil, removal of surplus soil to a distance not excedding 50m, RCC cover slab and PCC chamber etc.,

S& F GI earth strip of size 32 x 6mm laid in trench or fixed to wall/ pole with necessary clamps and nuts, bolts, etc. complete all as specified and as directed by Engineer-in-Charge

Prasur Electricals & Engineering Co.

ICON AGENCIES

BABBAR ENGINEERS

M/S VISHAL CONSTRUCTION

SRI HARSHITA ELECTRICALS

Gulmarg Electrical Service

SMS Engineering Corporation

JKS CONSTRUCTION

M/S KHUSHICONSTRUCTION