CA NO CWE/AF AMB/AMB-45/2020-21 PROVISION OF TRANSFORMER AND OTHER CONNECTED WORKS SERVICES AT AF SCHOOL UNDER GE (AF) AMBALA

Amount

Supplying, installation, commissioning and testing of transformer step down, 11 KV/433 volts as per IS-1180-2014 (Level- III), outdoor type, copper wound, suitable for AC, three phase, 4 wire, 50 Hz system of capacity 200 KVA, oil immersed having Vector group DYN-11, naturally cooled type with and including first filling of transformer oil, delta connection on HT side, star connection on LT side, manually, operated, off-load tap changer on HT side to vary secondary voltage to + 7.5% & -7.5% in five steps & above of 2.5% each, cable end box at HT & LT side, LT side cable box shall also be fitted with suitable size of cable glands for making connections with all the accessories and the under mentioned fittings complete all as specified and directed:- (a) Rating plate and terminal marking plate. (b) Two earthing terminal for body earthing and two additional for neutral brought out on a bushing.

(c) Lifting lugs. (d) Drain valve with plug or cover plate. (e) Dehydrating breather. (f) Oil level indicator with aluminium and maximum marking. (g) Cooling radiator. (h) Thermometer pocket. (j) Conservator. (k) Oil filling hole with cover. (l) Thermometer 100mm dial/stem type with metal guard having maximum temperature indication with resetting. (m) Silica gel breather duly filled with silica Gel. (n) Any other fittings as recommended by the manufacturer of efficient functioning of the transformer.

Notes for Srl item No. 1.00: - (i) The cost of platform/foundation as per manufacturer’s recommendation shall be included in the quoted rates and the drawing of the foundation shall be got approved by GE before construction. (ii) The transformer shall be of latest star rated and energy conservation (Energy conservation Binary Corps) for which necessary test certificate of manufacturer shall be produced by the contractor. (iii) Transformer manufacturer shall be in possession of licence from bureau of Indian standard. (iv) The fitting & accessories of the transformer shall be conforming to is 3639 : 1996. (v) The transformer shall be tested as per IS for all routine tests in the factory premises in the presence of rep of Accepting Officer on the receipt of request from the contractor in addition to routine tests . The transformer shall be tested for 10% over load at factory premises for minimum 01 hour after full load cycle of 08 hours. (vi) The Transformer shall be tested by SEI/EI/AEI beore commissing. (vii)All the test results shall be produced before RAR. All necessary arrangements i.e. Co-ordination with the manufacturer & testing officer, arranging equipments and material to facilitate testing at the manufacture’s premises etc. shall be borne by the contractor.

Supplying, laying, jointing, testing and commissioning of HT XLPE cable, 11000 volts (earthed), insulated, screened, sound compacted aluminium conductor, screening with extruded semi conducting layers, insulation screening with copper tape covers laid up with PVC (ST-2), extruded inner sheathed GI strip armoured PVC (ST-2) out sheathed, ISI marked with IS-7098 Part II with amendment, size cross sectional area 120 Sqmm, 3 core , laid in trenches /pipes /ducts /along poles/ walls/ equipment etc complete all as specified and directed. NOTES : (i) Cable shall be of manufacturing date not earlier than Oct 2020. All the cable shall be embossed with year of manufacturing, meterage at every metre, in addition to its own standard markings as per IS i.e. Size, voltage etc. (ii) Excavation & earth work, sand cushioning, protection pipes, end termination joints & protection covers shall be measured and paid separately. (iii) No straight through joint shall be permitted in less than single drum length. (iv) The contractor shall produce original purchase vouchers duly machine numbered alongwith excise duty gate pass of factory for verification and record.

Supplying, laying, jointing, testing and commissioning under ground XLPE LT electric cable 1100 Volts grade, heavy duty, PVC insulated and sheathed armoued electric power cable with stranded aluminium conductor, of cross sectional area 185 Sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc served with an inner sheathing of PVC tape and overall PVC sheathed armoured with galvanized steel wire or tape, complete all as specified and directed.

Supplying, laying, jointing, testing and commissioning under ground XLPE LT electric cable 1100 Volts grade, heavy duty, PVC insulated and sheathed armoued electric power cable with stranded aluminium conductor, of cross sectional area 150 Sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc served with an inner sheathing of PVC tape and overall PVC sheathed armoured with galvanized steel wire or tape, complete all as specified and directed.

Supplying, laying, jointing, testing and commissioning under ground XLPE LT electric cable 1100 Volts grade, heavy duty, PVC insulated and sheathed armoued electric power cable with stranded aluminium conductor, of cross sectional area 120 Sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc served with an inner sheathing of PVC tape and overall PVC sheathed armoured with galvanized steel wire or tape, complete all as specified and directed. Note for Srl item No 3.00 to 5.00:- Excavation & earth work, sand cushioning, protection pipes, end termination joints & protection covers shall be measured and paid separately.

Supply and fixing cable jointing kit for 11 KV earthed grade cable for outdoor end termination heat shrinkable type joints with jointing material and accessories for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm including cutting complete all as specified and as directed.

Supply and fixing cable jointing kit for 1.1 KV earthed grade cable for outdoor/indoor end termination heat shrinkable type joints with jointing material and accessories for 3.5 core XLPE armoured aluminium conductor cable of size 185 Sqmm including cutting complete all as specified and as directed.

Supply and fixing cable jointing kit for 1.1 KV earthed grade cable for outdoor/indoor end termination heat shrinkable type joints with jointing material and accessories for 3.5 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 150 Sqmm including cutting complete all as specified and as directed.

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for foundation etc or for walls, shafts, manholes not exc 10 Sqm on plan or for laying pipes/cables etc and getting out, in soft/loose soil complete all as directed

Excavation in trenches not exc 1.5m wide and exc 1.5m in depth but not exc 3.00 mtrs depth for foundation etc or for walls, shafts, manholes not exc 10 Sqm on plan or for laying pipes/cables etc and getting out, in soft/loose soil complete all as directed

Returning filling in including spreading leveling watering and well ramming in layers not exc 25 cm thick each in soft/loose soil complete all as specified and as directed.

Removal of surplus soil to a distance not exc 500 mtrs & depositing where directed at a level not exc 1.5 mtrs above the starting point complete all as specified and as directed.

Material and labour for Sand cushioning to cable with a layer of sand 8 cm deep before laying the cable and 15 cms deep after laying the cable (punned down to 18 cms depth after laying and stretching of cable ) complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable cover , Class HVP type-1 ,peak size 300mmx180mmx40mm, laid flat for protection of cable , adjacent to each other, perpendicular to central axis of cable complete all as specified and as directed.

Supply and laying old size, sub class 'B' bricks, laid flat for protection of cable , adjacent to each other, perpendicular to central axis of cable complete all as specified and as directed.

Material and labour GI pipe 80 mm bore , light grade as in trenches, under road,under floor, fixed to wall with fixing arrangement with suitable size of MS clamps made from 40x3 mm size flat iron including nuts,bolts & washers or along the pole with fixing arrangement etc for cable protection complete all as specified and as directed .

Material and labour for earthing complete with galvanized steel earth plate 60 cm X 60 cm X 6 mm thick buried vertically in ground to depth not less than 2.25 metres below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to GI earth lead strip 32x6 mm upto 7.5 mtrs long by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly including watering pipe GI 20 mm bore, light grade including protection pipe GI light grade 40mm bore , wire mesh, funnel,lugs, salt, charcoal dust, excavation & earthwork in soft/losse soil and refilling pit chamber with PCC 1:2:4 type B1 using 20 mm graded mechnically crushed stone aggregates , RCC 1:2:4 type B-1 using 20 mm graded mechnically crushed stone aggregates pit cover slab 50 mm thick reinforced with 8 mm dia TMT bars @ 15 cm c/c both ways including necessary form work all as shown in electrical plate No 3 of SSR part-I (2009), including testing on completion on site complete all as specified and as directed.

Material and labour for earthing complete with galvanized steel earth plate 60 cm X 60 cm X 6 mm thick buried vertically in ground to depth not less than 2.25 metres below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to GI earth wire 4.0 mm upto 7.5 mtrs long by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly including watering pipe GI 20 mm bore, light grade including protection pipe GI light grade 40mm bore , wire mesh, funnel,lugs, salt, charcoal dust, excavation & earthwork in soft/losse soil and refilling pit chamber with PCC 1:2:4 type B1 using 20 mm graded mechnically crushed stone aggregates , RCC 1:2:4 type B-1 using 20 mm graded mechnically crushed stone aggregates pit cover slab 50 mm thick reinforced with 8 mm dia TMT bars @ 15 cm c/c both ways including necessary form work all as shown in electrical plate No 3 of SSR part-I (2009), including testing on completion on site complete all as specified and as directed. Notes for Srl item 17.00 & 18.00 :- (i) Any variation in length of earth lead and protection pipe of earth lead shall be adjusted through DO. (ii) On testing if the earth resistance is not obtained, earthing will be generated at No extra cost ,till the desired earth resistance is obtained. (iii) The chamber shall be constructed atleast 0.5 mtr away from the earth electrode.

Supply and fixing gang operated air breaker switch ,triple pole, mechanically operated , mounted on insulators and steel frame with operating mechanism worked from ground level using heavy duty GI pipe, for current rating 200 amps, out door type (confirming to IS specifications) HT 11 KV , triple pole with fixed contacts of phosphorous and bronze and a set of drop out HT fuse Assembly , fuse carrier fitting , 9 insulator type mounted on MS channel operating rod with pad lock arrangement complete all as specified and as directed.

Supply and fixing lightening arrester (set of three), expulsion type,11000 Volts, 65 kilo amp discharge capacity with all fittings and necessary connections & testing, complete all as specified and as directed.

Supply and fixing 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 with and including applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed.

Supply and fixing anti climbing device ,spikes type fabricated out of MS bars ,round square and flat with and including providing required nuts ,bolts,washers etc., welding in two halves, made to shape, to suit the cross section of the pole and applying two coats of aluminium paint over a coat of red oxide complete all as specified and as directed.

Supplying and errecting, true vertical strut steel tubular, swaged welded pole conforming to IS-2713 part II ,type 410 SP 55, 11 metre long complete with mild steel base plate of 6 mm thick of size 300 X 300 mm, finial taper plug, cap, bolts, nuts, washer and screws, hole of required size and Nos for fixing cross arms including painting with two coats of aluminium paint over a coat of red oxide primer for exposed surface and two coats of black bituminious paint for embeded portion in concrete complete all as specified and as directed. Note :- Excavation and earth work and PCC shall be measured and paid separately.

Material and labour for PCC 1:3:6, type C-2 using 40 mm graded mechanically crushed stone aggregates as in foundation to pole/stays/struts etc complete all as specified & as directed.

Material and labour for PCC 1:2:4, type B-1 using 20 mm graded mechanically crushed stone aggregate as in coping/padestal to pole/ stays/ struts etc with & including necessary form work with fair finished to exposed surfaces without using extra cement complete all as specified & as directed.

Excavation in post holes (or similar holes) each n.exc 0.5cum getting out, returning, filling in and ramming earth or broken rubble mixed with earth around in layers n.exc 25cm thick in hard/dense soil and making good surface complete all as specified.

Material and labour for two coats of synthetic enamel paint over one coat of red oxide primer on new steel and iron surfaces of walls or of any description including preparation of surface over 10cm width or girth complete all as specified and as directed.

S&F for mild steel work Hand rails, half round or other steel section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified & directed.

M&L for mild steel XPM, Expanded metal of weight not less than 4Kg per Sqm, cut to length, bent to shape required and tying with and including annealed mild steel wire not less than 0.9mm dia or fixing with galvanised steel staples supplied and fixed complete to wood or steel members complete all as specified & directed. Note : Fencing post, Shutters & fillets shall be measured & paid for separately.

Supply and spread 40 mm graded crushed stone aggregate in layer not exceeding 150mm thick each layer around the transformer/LT Panel at sub station complete all as specified and directed.

Supply and spreading/filling 20mm graded stone aggrgate in layer not exceeding 150mm each layer complete all as specified and directed.

Baliyan Electrical Works

Esha Engineers