CA NO CWE/CHM(U)-51/2020-21 PROVISIONS OF HT RING MAIN CIRCUIT SUPPLY FOR AD REGT (ACROSS KALKA ROAD), 250 KVA TRANSFORMER IN SECTOR D, HT RING MAIN CIRCUIT FROM TOP TO SUB STN NEAR TW NO 9 AND BIFURCATION OF ESSENTIAL AND NON ESSENTIAL ELECTRIC LOAD

Amount

Excavation in trenches in any type of soil n. exc. 1.50 m wide and n. exc. 1.50m in depth, for laying of cable and getting out complete all as specified and directed.

All as per item No 1 here-in-above but depth exc 1.5m and n. exc. 3.0m.

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

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

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1 flat , size 300mm x 180mm x 40mm complete all as specified and directed. Make : Suryakiran/Mehtab or equivalent approved make specified in Appx B.

M&L dry sand filling under and around UG cable to provide cushioning complete all as specified and directed.

M&L tubes 80 mm bore, light grade galvanized fixed for cable protection on poles/walls/under road/culvert etc complete all as specified and directed.

Supply & laying in trenches, ducts or fixing along the poles or passing through pipes or laid under floors etc and testing XLPE insulated , screened PVC bedded, galvanised steel strip armoured, heavy duty HT power cables ISI marked with aluminium conductor, 11000 volts grade cross sectional area 95 sqmm 3 core, 11 KV earthed, complete all as specified and directed. Note :- Straight through joints as per requirement shall be deemed to be included in the unit rate quoted. Joint shall be permitted after a lenth of min 500 RM only.

S&F gang operated air break switches, (GO & DO assembly) triple pole, manually operated, mounted on insulators and steel frame,vertical isolation 12 insulators type with operating mechanism worked from ground level for rating 200 Amps, 11000 volts complete with GI operating pipe of heavy duty grade of suitable length and operating handle complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60x60cmx6 mm thick burried directly in ground (earth pit not less than 2.25 Mtr deep below ground level ) with top edge of the plate not less than 1.5 Mtr below normal ground level, connected to galvanised earth lead strip 32x6mm by means of bolts, nuts, check nuts and washers of GI or steel all as shown in electrical plate No. 3 of SSR Part-I 2009 connected to earthing test point panel all as specified or indicated and testing on completion as directed by the Engr-in-Charge incl necessary excavation & earth work in any type of soil, funnel, PCC chamber (1:3:6) type C1, CI pit cover and frame , charcol, salt including earth lead protected by 40 mm dia medium grade GI pipe and 20mm dia medium grade GI Pipe for watering complete all as specified and directed. Note :- Earth lead strip 32 x 6 mm and GI 40 mm dia protecion pipe upto 7.5 mtr length will be deemed to include in the unit rate quoted.

M&L cross arms,supports, clamps etc fabricated from structural steel section including nuts, bolts , washers, welding, bending ( cold or hot ) drilling holes for bolts bent to any shape or size as indicated or directed inclusive of one primer coat of red oxide zinc chromate one under coat and one finishing coat of aluminium paint complete all as directed

S&F jumpers in red/yellow/blue colour for HT lines/connections made from aluminium conductor single core PVC insulated cable of suitable size complete including winding wires, aluminium tapes etc complete all as specified and directed.

M&L RCC 1:2:4 type B-1 using 20 mm graded stone aggregate for making HT cable route indicator of size and shape as directed incl painting exposed portion with red enamelled paint and writing work , duly grouted in ground complete all as specified and directed. Note :- 8 mm dia MS bars shall be measured and paid separately.

M&L TMT bars 8 mm dia incl binding wires for RCC work for casting of HT cable route indicators complete all as specified and directed.

M&L for cutting road/hard surface of width appx 300 mm and depth not less than 800 mm for laying of 80 mm dia GI pipe and refilling the soil in layers incl watering and well ramming and repairing the disturbed road/hard surface with 200mm thick PCC 1:2:4 type B-1 properly and incl removal of surplus soil complete all as specified and directed.

S&F HT heat shrinkable type outdoor end termination cable jointing kit with jointing material and accessories sutable for 11000 volt (Earthed) grade XLPE cable of size 95 Sqmm, 3 core complete all as specified and directed.

All as per item No 16 here-in-before but indoor end termination.

M&L bricks for under ground cable protection with old size bricks laid flat prependicular to the axis of cable complete all as specified and as directed.

Suppy, installing, connecting, commissioning and testing of energy effficient transformer (level 3 of IS 1180) 5 star rating , of capacity 250 KVA outdoor type, step down 11/0.433 KV, core type oil immersed, copper wound, natural oil cooled with external cooling tubes/radiators, having 3 phase 50 Hz, AC supply, DYn-11 design, off load tap changer on HT side to vary secondary voltage ±7.5% in steps of 2.5% as per IS 1180 (Pt-I to III) with all standerd accessories including HT and LT bushing, cable box on LT side, including first filling of new transformer oil (of di-electric strength not less than 50 KV) upto required level in conservator tank complete all as specified and as directed by Engr-in-Charge with and including the following :-

(a) One No 100 mm dia, dial type thermometer vapour pressure type having range 0 to 120 degree centigrade. (b) Rating plate and terminal marking plate. (c) Two earthing terminals for body earthing and two additional for neutral brought out on a bushing.. (d) Oil level gauge with max & min level marking. (e) Oil drain filter valve. (f) Oil drain valve. (g) Lifting hooks. (h) Oil conservator with filling hole and cap. (j) Air relief valve plug. (k) Four solid cast steel detachable rollers. (l) Earth bushing for neutral outside the LT cable box for providing independent earthing for neutral. (m) Clear view type silica gel breather with first fill of fresh bluish color silica gel. Note - The transformer should be 5 Star rating and energy conservation (Energy conservation Binary Corps) for which necessasry test certificate to be produced by contractor from manufacturer of the transformer. Transformer shall be installed on four pole structure and all T&P, crane, labour etc required for the job shall be arranged by the contractor with out any extra cost to the deptt.

S&F steel tubular swaged poles complete with mild steel base plate, closed at top as specified, type 410 SP-55 (11 metre long) including painting with two coats of black bitumonous paint externally up to the planted depth and internally through out and remaining external portion with two coats of aluminium paint , over a coat of red oxide primer complete all as specified. Note:- Excavation & earthwork, foundation concrete will be meaured & paid for separately under respective item(s).

Supply, installation, testing and commissioning of CPRI approved , outdoor type double door panel board suitable for floor mounting size not less than 1200 x 1200 x 500 mm , with locking arrangement , fabricated out of 3.15 mm thick CRCA sheet and MC 75 for base frame & angle iron 50 x 50 x 6 mm size for legs , 04 nos legs 750 mm long, PCC 1:2:4 type B-1 for grouting, dully powder coated , dust/water & vermin proof , suitable for 415 volts 3 phase 50 Hz , complete with and incl the following accessories :-

M&L PCC 1:4:8 type D-2 using 40 mm graded crushed stone aggregate as in pole foundations etc complete all as specified and directed.

M&L PCC 1:3:6 type C-2 using 40 mm graded crushed stone aggregate in foundation filling & mass concrete for poles/struts etc including provision of necessary form work complete all as specified and directed.

M&L PCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregate in pole / strut coping complete all as specified and directed.

M&L anti climbing devices, spikes type fabricated out of M.S. bars ( round,square and flat ) including nuts,bolts,Washers and clamps in two halves made to shape to suit the cross section of the pole complete all as specified and directed.

S&F lightening arrestors expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp complete all as specified and directed.

M&L pin type insulator porcelain, vitreous white/brown including one galvanised MS spindle nut and two GI washers of size 150 mm height, 150 mm dia for 11000 volts complete all as specified and directed.

M&L single disc porcelain, vitreous white/brown insulator 255 mm dia and 145 mm height assembly for tension with tension clamps for conductor working pressure 11000 volts complete all as specified and directed.

Supply, laying, jointing and testing LT underground cable XLPE insulated , PVC sheathed, armoured heavy duty and 1100 volts grade with multistranded aluminium conductor of size 300 sqmm 3.5 core in trenches/ducts/through pipes/ under culverts etc complete all as specified and directed.

Supply, laying, jointing and testing LT underground cable XLPE insulated , PVC sheathed, armoured heavy duty and 1100 volts grade with multistranded aluminium conductor of size 240 sqmm 3.5 core in trenches/ducts/through pipes/ under culverts etc complete all as specified and directed.

Supply, laying, jointing and testing LT underground cable XLPE insulated , PVC sheathed, armoured heavy duty and 1100 volts grade with multistranded aluminium conductor of size 185 sqmm 3.5 core in trenches/ducts/through pipes/ under culverts etc complete all as specified and directed.

All as per item No 31 here-in-before but size 150 sqmm 3.5 core.

All as per item No 31 here-in-before but size 50 sqmm 3.5 core.

M&L 32x6 mm dia GI strip connecting from earth test point to lightening arrestor installed on top of 11 mtr long poles four pole/ two pole structures complete all as specified and directed.

Suppy, installing, connecting, commissioning and testing of energy efficient transformer (level 3 of IS 1180) 5 star rating , of capacity 160 KVA outdoor type, step down 11/0.433 KV, core type oil immersed, copper wound, natural oil cooled with external cooling tubes/radiators, having 3 phase 50 Hz, AC supply, DYn-11 design, off load tap changer on HT side to vary secondary voltage ±7.5% in steps of 2.5% as per IS 1180 (Pt-I to III) with all standerd accessories including HT and LT bushing, cable box on LT side, including first filling of new transformer oil (of di-electric strength not less than 50 KV) upto required level in conservator tank complete all as specified and as directed by Engr-in-Charge with and including the following :-

(a) One No 100 mm dia, dial type thermometer vapour pressure type having range 0 to 120 degree centigrade. (b) Rating plate and terminal marking plate. (c) Two earthing terminals for body earthing and two additional for neutral brought out on a bushing.. (d) Oil level gauge with max & min level marking. (e) Oil drain filter valve. (f) Oil drain valve. (g) Lifting hooks. (h) Oil conservator with filling hole and cap. (j) Air relief valve plug. (k) Four solid cast steel detachable rollers. (l) Earth bushing for neutral outside the LT cable box for providing independent earthing for neutral. (m) Clear view type silica gel breather with first fill of fresh bluish color silica gel. Note - The transformer should be 5 Star rating and energy conservation (Energy conservation Binary Corps) for which necessasry test certificate to be produced by contractor from manufacturer of the transformer. Transformer shall be installed on four pole structure and all T&P, crane, labour etc required for the job shall be arranged by the contractor with out any extra cost to the deptt.

Supply, installation,commissioning and testing outdoor type of CPRI approved make, floor mounting double door feeder pillar box of size not less than 1000 x 1000 x 450 mm , fabricated from 3.15 mm thick CRCA sheet and MC 75 for base channel, 04 nos legs 750 mm long made from 50 x 50 x 6 mm angle iron , dully powder coated, dust/water and vermin proof , grouted in PCC 1:2:4 type B-1 foundation, suitable for 415 volts, 3 phase, 4 wire , 50 Hz complete with and including the following:-

[a] Aluminium strip bus bar TPN sleeve insulated mounted on epoxy insulators of capacity 400 amps - 01 set. [b] MCCB FP 250 amps , 415 volts, 50 Hz, 35 KA with adjustable thermal and magnetic release and Ics=100% of Icu - 01 No (Incoming). [c] MCCB TP 200 amps , 415 volts, 50 Hz, 35 KA with adjustable thermal and magnetic release and Ics=100% of Icu - 01 No and MCCB TP 100 amps , 415 volts, 50 Hz, 25 KA with adjustable thermal and magnetic release and Ics=100% of Icu - 02 No (Outgoing). [d] Earthing terminals - 02 Nos. [e] Digital multifunctional meter flush mounting type 96 sqmm size - 01 no , LED indicators RYB - 03 Nos, internal wiring circuits with copper conductor single core cable of suitable size with SP MCB in each circuit, danger notice plate dully rivetted/pasted on panel body complete.

M&L in danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and onventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT,25x 20 cm size complete all as specified and directed.

S&F danger notice board made from 3 mm thick MS sheet size 300 x 300 mm , painted with two coats of red enamelled paint over a coat of red oxide primer and writing work with white paint all as specified, necessary fixing arrangement with pole complete all as specified and directed.

Goblin Electric Co.

JAZZCON ENGINEERS PVT LTD