PROVISION OF 33 KV INTERCONNECTION LINE UNDER GE (ARMY) SURATGARH AT SURATGARH MIL STN (JOB NO SOG/MAJ WK/2026-27/02)

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 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.

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

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.

S & F XLPE cable end termination, heat shrinkable, indoor type complete with jointing material and accessories suitable for voltage 19 kV/ 33 kV (Earthed), 3 core, 240 sqmm to 300 sqmm 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 19 kV/ 33 kV (Earthed), 3 core, 240 sqmm to 300 sqmm complete all as specified and as directed.

S & F cable jointing kit for 19 kV/ 33 kV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 400 sqmm complete all as specified and as directed.

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 19 kV/ 33 kV, three phase, earthed system, 3 core, screened, armoured power cable, 300 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 and to be laid in trenches, under floors, through pipe laid under floors/roads and in trenches, through concealed GI pipe etc. making all connections with necessary glands, lugs, bushing complete all as specified and as directed.

M & L for earthing complete with galvanised steel perforated pipe electrode 40 mm nominal bore, medium grade, 2.5 metre length buried directly in ground with top edge of the pipe not less than 1.25 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 pipe electrode to test point upto 7.5 metre including all as shown in electrical plate No. 2 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 both ways 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.

Supply and fix metal oxide surge arrester without gap for AC system as per IEC 60099-4: 2014, outdoor type, polymer housing, single column and single phase construction, station class, heavy duty, nominal discharge current 20 kA, switching impulse discharge current 2 kA, repetitive charge transfer rating (Qrs) more than 2.4 C, thermal energy rating (Wth) more than 10 kJ/kV, nominal system voltage 33 kV, highest system voltage 36 kV, rated voltage of arrester 27 kV, continuous operating voltage 21.6 kV, temporary overvoltage (30.45 kV for 1 s, 28.50 kV for 10 s, 26.35 kV for 100 s), rated short circuit current 20 kA, low short circuit current 600 A, insulation withstand level (lightning impulse voltage 1.2/ 50 µs) 170 kV, lightning impulse residual voltage (8/20 µs) at nominal discharge current maximum 69 kV, switching impulse residual voltage (30/60 µs) at switching impulse discharge current maximum 58 kV, high current impulse withstand capability (4/10 µs) 100 kA, minimum creepage distance 900 mm complete all as specified and as directed.