CWE/P-104/2020-21 REPAIR AND MAINTENANCE OF HT OVERHEAD LINES, HT UG CABLE AT JANGLOT, MADHOPUR AND BASOLI STATION UNDER GE BASOLI

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5mtr in depth for laying of UG cable and getting out in soft/loose of soil, complete all as specified and directed.

All as per Srl item no 1 here-in-before but exc 1.5 metre but n. exc 3.0 metre deep, complete all as specified and directed.

Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5M above the starting point, complete all as specified and directed.

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

M&L for sand cushioning to under ground cables 8 cm thick before laying the cable and 15 cm thick after laying and punned down to 18 cm, stretching and testing the cable as specified in clause 19.75 of SSR Part-1, complete all as specified and directed.

M&L for unreinforced precast concrete cable cover class HV , type 1 flat , size 300mmx180mmx40mm covering protection to the eletric cable laid dry flat transversally along the length of cable on sand cushioning, complete all as specified

M&L for PCC ( 1:2:4) type B1 using 20mm graded crushed stone aggregate for coping pedestal of poles. Including necessary form work fair finished to exposed surface, complete all as specified and directed.

M&L for PCC ( 1 : 3 : 6 ) type C2 using 40mm graded crushed stone aggreghate for foundation of poles and stay assembly, completed all as specified and directed.

Supply, laying, commissioning and testing of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable with aluminium stranded conductor of 6.35/11 KV (earthed) suitable for 11000 Volts grade, cross-sectional area 95 Sqmm 3 core, complete all as specified and directed

S&F DWC high density polyethelene pipes having dia 120 x 103 mm, inner as per site requirement having corrugation on the wall and plain surface on the inner wall conforming to IS: 14930 (Part I & II) for protection of underground cable laid along pole / along wall in PCC on GL/roof and including all fittings as required at site, complete all as specified and directed.

M&L for cable end jointing kit for 11 KV (earthed) grade cable for out door type termination cold shrinkable type joint complete with all joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sq mm, complete all as specified and directed.

M&L for HT lightening arrestor for outdoor use, expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo Amps, minimum working pressure 11000 volts grade conforming to IS, complete all as specified and directed.

S&F outdoor type triple pole, 11000 Volts mechanically operated air brake switch, mounted on 15 Nos polymer insulators including drop out fuse unit with fuses of suitable rating and steel frame, with operating mechanism worked from ground level for current rating up to 200 Amps and all accessories, complete all as specified and directed.

M&L for structural steel work conforming to grade Fe-410S as in cross arms, bracing, 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, one finishing coat of aluminium paint and epoxy coating sufficient for 11 KV insulation, complete all as specified and directed.

S&F disc type composite polymer insulators, specified mechanical load 45 KN (min) P F (dry) withstand voltage 65 KV/mint, P F (wet) withstand voltage 40 KV/mint, impulse withstand voltage 80 KVP for tension with tension clamp for conductors working pressure 11000 Volts, complete all as specified and directed.

S&F pin type polymer insulator 11 KV, 45 KN, 320 mm max creep including galvanised mild steel strap, washer and one galvanised iron nut of suitable size for 11000 Volts, complete all as specified and directed.

M&L for aluminium conductor steel re-inforced (ACSR) of any size for HT lines on PCC/Steel Tubular poles, stretching without kinks and bends, binding with (rates inclusive) binding wire, complete all as specified and directed.

M&L for galvanised steel wire 4 mm dia, complete all as specified and directed.

S&F stay assembly complete comprising of 20mm dia 40cm long stay bow rod 20mm dia x 1.8 Mtr long galvanised stay rod threaded and with nuts including 300mmx300mmx6mm thick plate necessary clamps etc as shown on plate No. 1 on page 495 of SSR Part-I 2009, complete including taking down u/s stay assembly all as specified and directed. Note : Loop type insulator, stay clamp, stay wire, excavation and concrete work measured separately).

S & F galvanised steel stranded stay wire size 7/4mm for stay assembly, complete all as specified and directed.

S & F loop type insulator in replacement with complete fitting porcelain, vitreous white or brown large size with over all dismensions 90x140mm , clearance of hole 25.5mm, complete all as specified and directed..

M&L for Anti climbing devices; comprising 2.24 mm dia galvanised steel 2-strand barbed wire wih 2.00mm dia barbs wrapped spirally round poles, to a lengh of 0.5 to 1.0 metre clammped and properly secured or as ordered (clamps measured separately), complete all as specified and directed.

M&L for Anti-climbing device;spikes type fabricated out of M. S bars (round, square and flat) inclluding nuts, bolts, washers and welding in wo halves made to shape to suit the cross section of the pole, complete all as specified and directed.

M&L for Danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letter,figures and conventional skull and bones in signal red colour and fix with MS clamps, bolts and nuts of approved size, for HT 25x20 cm, complete all as specified and directed.

S & F for Cradels, hexagonal/rectangular, fabricated and for stretching GI steel wire 4 mm dia including for pole to pole with binding wire in location/ area given by the Engr-in-charge, complete all as specified and directed.

Supply and erection of pole in vertical position Steel tubular swaged poles complete with cast iron base plate, finial welded with MS sheet at top as specified type 410 SP-55 (11 metres long) including painting the pole with two coats of aluminium paint over a coat of red oxide paint including making five nos of black and yellow strips 30 cm wide above PCC coping, complete all as specified and directed. Note : PCC in foundation, coping, Earth work ( Excavation, Returning & refilling and removal) will be measured and paid separately under respective items of BOQ/ Sch 'A'.

M&L for earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried in ground vertical to a depth not less than 2.25 mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal ground level connected to galvanized GI strip of size 32 X 6 mm and 40 mm dia bore 7.5 mtr long light grade GI protection pipe for earth strip and GI watering pipe 40 mm dia medium grade from the top edge of earth plate fixed with deep cut on one end of pipe and fix from earth plate up to one feet above ground level of other end and plugged watering pipe at top with MS cap and grouted in PCC 1:2:4 of size 30 X 30 X 30 CM etc and 15 CM alternate layer of charcoal and salt around all sides of earth plate all as shown in electric plate no 3 of SSR part I of 2009, complete all as specified and directed. Note :- All joints either strip to strip on strip or earth plate are fixed with welded joints.

M&L for earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried in ground vertical to a depth not less than 2.25 mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal ground level connected to galvanized GI wire of size 4 mm dia and 15 mm dia bore 7.5 mtr long light grade GI protection pipe for earth strip and GI watering pipe 40 mm dia medium grade from the top edge of earth plate fixed with deep cut on one end of pipe and fix from earth plate up to one feet above ground level of other end and plugged watering pipe at top with MS cap and grouted in PCC 1:2:4 of size 30 X 30 X 30 CM etc and 15 CM alternate layer of charcoal and salt around all sides of earth plate all as shown in electric plate no 3 of SSR part I of 2009, complete all as specified and directed.

M&L for construction of platform of size 3000 x 2500 x 1500 mm for transformer having side finished, PCC (1:4:8) up to 30 CM in foundation and PCC at top portion of platform upto 25 CM thick with suitbale size MS bars, brickwork and cement mortar (1:4) and complete plaster work 15 mm thick to exposed surface in CM including (1:4) including necessary MS work (i.e. MS jali/fencinfg/MS angle) on the top of platform around transformer upto height 3 feet, complete all as shown on Drawing No CEPZ/C-TD/002/13 dt 2/5, complete all as specified and directed.

Disconnecting all electric/ earthing connection of old existing serviceable transformer and lifting and shifting to another places on platform carefully by crane and connecting properly with HT/LT cables and earthing strips and testing, complete all as specified and directed.

Dismantling and taking down old existing ACSR conductor any type from existing HT/LT pole, complete all as specified and directed by Engr-in-charge.

Dismantling of steel work ( brackets,clamps, channels including disc and pin insulators, nut & bolts) from existing HT pole, complete all as specified and directed by Engr-in-Charge.

Dismantling insulators any type, any size and depositing to the MES store yard, complete all as specified and directed.

Dismantling of stay wire / earth wire, complete all as specified and directed.

Taking down existing HT/LT pole 11 mtr long PCC/steel including earth work and PCC of the poles, complete all as specified and directed by Engr-in-charge

Taking down OH/UG/AB cable any type any size including earth work, complete all as specified and directed.

Relaying the cable of any size in trenches after repair including all electrical connection etc, complete all as specified and directed. Note :- Excavation, earth work & sand cushioning paid separately in respective items.

M&L for painting of existing steel tubular HT pole by providing one coat of aluminium paint including preparation of surface upto complete height, complete all as specified and directed.

Trimming/cutting tree branches with clearing space upto 2 metre from the over head conductor's any side , all around for HT/LT distribution system, complete all as specified and as directed. Note- (i) Electrician shall be taken shutdown from JE Incharge and proper enter in to the shut down register at Power house and complete the work within the time, and clear the shut down from main power house after completion of the work.

M&L for surface dressing not exceeding 15 cm deep around 2 pole / 4 pole structure, feeder pillar box and transformer DG set platform plinth and out side Sub Station Building etc, complete all as specified and directed.

S&F in replacement of aluminium Bus bar strip of 40 x 5 mm from test point to transformer or other places complete with necessary nuts, bolts and washers, complete all as specified and directed.

Taking out existing old bricks from the trenches in respective items of taking out of old unserviceable cable and stagging for reuse in the same work where required including earthwork, complete all as specified and directed.

Restretching of existing loose OH, HT ACSR conductor wire including GI wire along the span of poles for sagging with the permissible limit including binding/rebinding/joining with aluminium winding wire in case of breakage of conductor, size of winding wire shall not be less than 2 Sqmm, complete all as specified and directed.

Notes : The Schedule of Credit amount shall be deducted from the total of this schedule(BoQ) to arrive at Contract Sum.

dinesh enterprises

Standard engineers

G.M. ENGINEERING SERVICES

kailu construction co