SPECIAL REPAIR TO CONVERSION OF OH HT LINE INTO HT UG CABLE FROM SUB STN NO 5 JCO OR MD ACCN TO SUB STN NO 6 OFFRS MD ACCN AT LEKHAPANI MIL STN UNDER GE LEKHAPANI

Amount

Dismantling ACSR or AAC conductors from HT oh lines/structures and removing to store or taken on schedule of credit complete all as specified and as directed.

Dismantling cross-arms of mild steel channel or angle sections etc. complete and setting aside by diconnecting all electrical connections for re-use or removing to store or for schedule of credit all as directed by Engr-in-Charge

Dismantling HT/LT insulators any type, any size by diconnecting all electrical connections complete all as specified and as directed.

Dismantling concrete poles/ struts by diconnecting all electrical connections, any size, transporting to store and stacking or for schedule of credit all as directed by Engr-in-Charge

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 95 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing including taking down complete all as specified and as directed.

S & F XLPE cable end termination, heat shrinkable, outdoor type complete with jointing material and accessories suitable for voltage 6.35 kV/ 11 kV (Earthed), XLPE, armourned, Al conductor cable of size 3 core 95 sqmm including taking down complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0 in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and exceeding 1.5 m but not exceeding 3 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Supply & spreading in trenches sand cushioning to underground cable in trenches including spreading, levelling hand punning down complete all as specified and directed Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

Supply & laying unreinforced precast concrete cable cover class HV type 1, flat shape, dimension 300 mm X 180 mm X 40 mm as per IS 5820: 1970 complete all as specified and directed.

M & L for steel tubular swaged pole 410 SP-55 (11.0 metre long) seamless type, including CI base plate, finial taper plug, bolts, nuts & screws as per IS 2713 Part -I & II including painting with two coats of bituminious paint over a coat of red oxide zinc chrome primer on exposed portion and making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and two coats of anticorrosive paint over a coat of red oxide primer to embedded portion of pole including making good to match existing area complete all as specified and as directed. Note- Earthwork shall be measured and paid seperately. Volume occupied by steel pole shall be deducted to derive the quantity of PCC.

M & L for cement concrete in foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete M10 (Nominal Mix) using 20 mm nominal size coarse aggregate in pole coping or roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and as directed.

S & F gang operated air break switch, three poles, outdoor type, nominal system voltage 11 kV, rated voltage 12 kV, rated normal current 200 Amps, rated frequency 50 Hz, with 15 No of insulators, rated one minute power frequency withstand voltage between (i) earth & poles 28 kV (rms) (ii) across the isolating distance 32 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 75 kV (Peak) (ii) across the isolating distance 85 kV (Peak), Rated short-time withstand current 25 kA for 3 seconds, rated peak withstand current 63 kA for climatic conditions at the site, mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level for current complete all as specified and as directed.

Supply and erection of lightning arrestor (set of 03), explusion type suitable for 11 kV continuous operating voltage (3 phase) with rated voltage 24 kV (rms) with nominal discharge capacity of 65 kA and complete with galvanised clamping arrangements, GI bolts, nuts, washers etc. complete as specified and as directed. Note- Lightning attester shall be able to withstand wind load of 196Kg/Sqm and seismic acceleration of 0.39g.

S & F expulsion fuse unit single pole 11 KV drop out fuse unit comprising insulator set of two Nos. complete set capacity 100 A complete all as specified and as directed.

M & L for cross arms, bracings, supports, clamps, back plates and stay clamp 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 applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed.

M & L for danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with mild steel clamps, bolts and nuts of approved size, for HT, 250 mm X 200 mm complete all as specified and as directed.

M & L for boring under road, pavement, hard standing by trenchless technology using latest boring technique/ or by mechanical means for insertion of GI/CI/PP-R/PVC pipe/cable of any dia/ bore/size 50 to 100 mm complete all as specified and as directed. Note- Pipes shall be measured and paid separtely.

Supplying & laying, in repair, in trenches 80 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supply install testing and commissioning feeder pillar box of size 1200x1200x1000 mm, factory made outdoor pedestal type double door fabricated out of 3.15 mm thick CRCA sheet and angle iron 50x50x6 mm sloppy roof locking arrangement comprising 50 mm size Godrej brass pad lock with duplicate keys two earth terminal suitable cable gland plate for incoming and outgoing HT cables and protection of joint grouting of feeder pillar box by providing 90 cm long angle iron of size 50x50x6mm welded on all the four corners embedded in platform mounted with PCC(1:3:6) type B1 (using 20 mm graded stone aggregate)/brick work as required as in foundation upto a height of 45 cm above ground level. All steel metal works including frame shall be with anticorrosive coating with seven tank process and finally expoxy polyster powder coating of flint grey shade. The panel shall having aluminium bus bar three strips of minimum size 600mm x 40mm x 10mm with DMC/SMC/FRP HT long insulator complete all as specified and as directed. Note :- (a) Joints shall be measured and paid for separately under respective item of this schedule.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

S & F earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 32 mm X 6 mm galvanised mild steel strip complete all as specified and as directed.

M & L for cable route indicator made out of CI plate 150 dia, 8 mm thick, embossed with lettering "MES HT Cable", welded or bolted onto 35 mm X 35 mm X 6 mm angle iron, 600 mm long duly painted with anti-corrosive paint in brown colour & including necessary earthwork and excavation, embedded in PCC M15(Nominal Mix) using 20 nominal size graded crushed stone aggregate of size 400 mm X 400 mm X 300 mm complete all as specified and as directed.

RIA CONSTRUCTION

M/s PRABIR ENTERPRISE