SPECIAL REPAIR TO 11 KV OVERHEAD TO UNDERGRPUND CABLE TO BDE HQ AND FAMILY ACCN FEEDER FROM POWER HOUSE UNDER GE SOUTH AKHNOOR

Amount

Taking out concrete poles/struts, any size complete all as specified and as directed.

Taking down existing rusted/worn out MS cross arm, angle, clamps, nuts, bolts , washers and GI bracket from existing pole complete all as specified and as directed.

Taking down existing unserviceable insulators, shackle type, Pin type, including nuts, bolts and washers, complete all as specified and as directed.

Taking down existing unserviceable ACSR Conductor from pole including nuts, bolts and washers, complete all as specified and as directed.(From HT Pole)

Supply, laying, jointing and testing underground cables XLPE insulated screened PVC bedded galvanised steel strips armoured electric power cables (heavy duty) with aluminium conductor HT 11000 volts grade and 95 sqmm 3 core cross sectional area conforming to latest IS and ISI marked, complete all as specified and directed by Engr-in-charge.

M&L for steel tubular swaged with cast iron base plate, final tapper plug, bolts, nuts and screws and specified type 410 SP-55 (11metre long) in truly vertical position 1.5 m length pof pole above ground level shall be painted with two coats of black bituminous paint internally through out and externally for embedded portion and applying one coat of red oxide primer for the remaining portion and two coats of aluminium paint beyond 1.5M from ground level/coping and making 30cm black and white strips with two coats of super enameled paint up to 1.5M from ground level/coping, complete all as specified and directed.(Note:-Excavation and PCC shall be measured and paid separetly)

PCC (1:4:8) type D-2 using 40mm graded stone aggregates as in foundation and sides of poles & PCC blocks etc including necessary form work, complete all as specified and directed.

PCC (1:3:6) type C-1 using 20mm graded stone aggregates as in stay and coping of poles including necessary form work and fair finish to exposed surface without using cement complete all as specified and directed.

M&L for PCC (1:2:4) type B-1 using (20mm) graded stone aggregates as in PCC coping of poles or for stays complete all as specified.

M&L for cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint, complete all as specified and as directed.

Material and labour for stay assembly with stay rod of 20 mm diameter complete with accessories as shown in electrical plate No.1 (loop type insulator, stay clamps,excavation and concrete measured separetly.

Material and labour for Loop type insulator, vitreous porcelain, white, brown or green, large size, with overall dimensions 90 x 140 mm, clearance of hole 25.5 mm.

Material and labour for galvanised stay strand, 7/4mm complete all as specified.

Excavation in trenches n.exc. 1.5 mtr wide and n.exc 1.5 mtr deep for foundations of poles/stays/cable etc not exc 10 Sqm area on plan and getting out in any type of soil, complete all as specified and directed.

All as per item No. 12 here-in before but depth exceeding 1.5 mtr and not exceeding 3 mtr, complete all as specified and directed.

Returining filling in including spreading ,levelling,watering and wall ramming in layers not exc 25cm in soft/loose soil, complete all as specified and directed.

Removing surplus soil to a distance not exc. 50 mtr and depositing where directed at a level n.exc. 1.5 mtr above the starting point, complete all as specified and directed.

Sub class ‘B’ bricks, old size, brick covering laid dry, flat, transversally along the length of cable on sand cushioning for mechanical protection of cable, with width equal to the length of the brick, complete all as specified and directed by Engineer-In-Charge.

Sand cushioning to protection of underground cables, laid 8 Cm before laying and 15 Cm after laying of cable, and punned to form an overall layer of 18 Cm thick, complete all as specified and directed by Engineer-In-Charge. Note: Punned thickness shall be measured.

S & F Lightning arrestor expulsion type complete with all fittings, station class, discharge capacity 65 KA 11 KV grade , complete all as specified and directed.

S & F Switch air break gang operated (Swing out expulsion fuse insulators), tripple pole mechnical operated from ground level mounted on insulator and Mild steel frame (15 insulators type) out door type suitable for vertical installation single break provided with locking arrangement consisting of MS channel HT post top insulator with drop out fuses operating rod 20mm dia GI medium grade pipe worked from ground level confirming of IS 1818 of 1972 and contineous current rating upto 200 amp and volt 11 KV, complete all as specified and as directed.

Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified.

Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick burried directly in ground vertically to a depth not less than 2.25 meter below ground level with top edge of the earth plate at a depth not less than 2.25 mtr below ground level earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filling in alternate layers, all around top and bottom and electrode connection by using GI Wire 4 Sqmm (upto the body of equipment) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles. GI pipe 20mm bore light grade for watering with funnel and wire mesh including medium grade GI Pipe 40mm bore protection and 40 mm GI pipe light grade for protection of strip. PCC chamber in cement concrete 1:3:6 type C-2 and RCC pit cover in M20 (design mix) complete all as shown in Electrical Plate No.3 of MES Standard Schedule of Rates (Part-I) of 2009, complete all as specified and testing on completion i) The unit rate shall include for protection pipe, GI water pipe, wire mesh, funnel, excavation. RCC pit cover, test point, 32mm GI strip from top of earth plate upto 7.5 above ground level and if GI protection is less than 7.5 meter, no price adjustment shall be made. ii) If the testing result of earthing work is not been found satisfactorily then the contractor shall do other earthing work at his own cost and nothing shall be permissible on this account. iii) Earthing work will be carried out in presence of MES representative.

Note:- Deduction for Schedule of credit (Sch 'A' Part-II) to be made of ₹ 64496.00 from the total quoted amount of BOQ while accepting the bid. Details of schedule of credit is given in tender documents.

M/S BHARAT LIGHT ELECRIC.CO

Northern cable fault locatoers

vijay kumar gupta and co

M/S JIWAN SINGH

Usha Engineering Co.

SHSS ASSOCIATES

darshan kumar gandhi

Continental Enterprises

Standard engineers