IMPROVEMENT TO CERTAIN E/M SERVICES AT AF STN AMBALA

Amount

Dismantling ACSR over head conductor complete all as specified and directed.

Dismantling M.S. channels/ cross arms and section angles complete all as specified and directed.

Dismantling stay assembly complete all as specified and directed.

Dismantling insulators of any type complete all as specified and directed.

Taking down existing PCC poles of any type including struts complete including making good the disturbed surface complete all as specified and as directed.

Taking down existing steel poles of any type including struts complete including making good the distrubed surface complete all as specified and directed. Note for item No. 1 to 6:- old material will be contractor property against schedule of credit.

Supply, fixing testing, commissioning, designing of non extensible SF6 insulated 5 way 11 KV ring main unit outdoor type with gas tank IP-67 protection and outdoor enclosure IP4X protection with 02 Nos 11 KV SF6 insulated vaccum circuit breaker for incoming and 02 Nos SF6 insulated VCB for outgoing and a bus coupler shall be of nominal voltage 12 KV 400 A, rated short time current 21KA/3S. The complete switch gear shall be tested for internal arc of 21KA FLR for 1 second. HT compartment- (Circuit breaker)-I/C feeder and O/G feeder:- (i) This function unit consists of a SF6 insulated vaccum circuit breaker in combination with a three position switch. The three position switch fullfills the operation of the disconnector function and the earth function. The circuit breaker unit is equipped with an over current time released for the protection. (ii) VCB 12KV 400A, 21kA motorized VCB with spring assisted mechanism and series trip coil with built in manual line side three position disconnector cum earth switch - 01 No

Supply, fixing, testing, commissioning, designing of extensible SF6 insulated 5 way 11 KV ring main unit outdoor type with gas tank IP-67 protection and outdoor enclosure IP-67 protection and outdoor enclosure IP-54 protection with 01 No 11 KV vaccum circuit breaker for incoming and 04 Nos LBS for outgoing and be of nominal voltage 12 KV 400 A, 21kA/3S. The complete switch gear shall be tested for internal arc of 21KA FLR for 1 second. HT compartment- (Circuit breaker)-I/C feeder and O/G feeder:- (i) This function unit consists of a vaccum breaker in combination with a three position switch. The three position switch fullfills the operation of the disconnector function and the earth function. The circuit breaker unit is equipped with an over current time released for the protection. (ii) VCB 12KV 400A, 21kA motorized VCB with spring assisted mechanism and series trip coil with built in manual line side three position disconnector cum earth switch - 01 No

All as per item No.9 Herein before but 4 way LBS type (one incomer VCB and 03 outgoing LBS)

M&L for Earthing complete with galvanised steel earth plate electrode 600 cm x 600 cm x 6.0mm thick burried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below normal ground level connected to earth lead of 32x6 mm GI strip by means of bolts, nuts check nuts, washers of GI and GI strip, protected by GI pipe 40mm bore, light grade and 15 mm for water with wire mesh funnel all as shown on electrical plat no. 03 of SSR part-I complete including necessary excavation & earth work in any type of soil and PCC (1:3:6) type CI using 20m graded stone aggregate earth chamber, RCC (1:2:4) type B1 cover slab 40mm thick complete including testing all specified and directed.

Disconnecting and dismantling of existing transformer of capacity below 500 KVA from 2/4 pole structure and shifting to new location/plinth including construction of tranformer platform of size 3.5x3.5x1.2M height from ground level incl excavation in trenches below ground level, 0.45 M, PCC 1:4:8 type D-2 15 cm thick as in bedding, brick work in two steps of 15 cm (1st step 46 cm wide and 2nd step of 34.5 cm above ground level 23cm thick brick wall, plastering 15cm thick in cement mortar 1:4 on bricks/ concrete surface, PCC flooring 100mm thick 1:2:4 type B-2 over 75mm thick sub base of PCC 1:4:8 type D-2, balance portion filled with aggregate of size 40-63mm including compacting/ramming in layers below sub base upto ground level including returning, filling and removal of surplus soil upto a distance n. exc 50cm from starting point, cement work painted with three coats of white wash colour as directed. ISMC 100mm-02 Nos grouted for fixing of tranformer complete all as directed at site.

Supplying and laying or passing through pipe, 11000 volts grade earthed heavy duty cable with XLPE insulated aluminium stranded conductor served with an inner sheathing of PVC tape armoured with galvanized steel wire or tape and overall PVC sheathed 185 Sq mm nominal cross sectional area 3.0 core complete all as specified and directed.

Supplying and laying or passing through pipe, 11000 volts grade earthed heavy duty cable with XLPE insulated aluminium stranded conductor served with an inner sheathing of PVC tape armoured with galvanized steel wire or tape and overall PVC sheathed 120 Sq mm nominal cross sectional area 3.0 core complete all as specified and directed.

Supplying and laying or passing through pipe, 11000 volts grade earthed heavy duty cable with XLPE insulated aluminium stranded conductor served with an inner sheathing of PVC tape armoured with galvanized steel wire or tape and overall PVC sheathed 95 Sq mm nominal cross sectional area 3.0 core complete all as specified and directed.

S&F cable jointing kit for 11 KV grade cable for indoor type termination joint cold shrinkable type with jointing material for 3 core 185 Sqmm cable complete all as specified and directed.

S&F cable jointing kit for 11 KV grade cable for indoor type termination joint cold shrinkable type with jointing material for 3 core 120 Sqmm cable complete all as specified and directed.

S&F cable jointing kit for 11 KV grade cable for indoor type termination joint cold shrinkable type with jointing material for 3 core 95Sqmm cable complete all as specified and directed.

S&F cable jointing kit for 11 KV grade cable for outdoor type termination joint cold shrinkable type with jointing material for 3 core 95Sqmm cable complete all as specified and directed.

S&F cable jointing kit for 11 KV grade cable for outdoor type termination joint cold shrinkable type with jointing material for 3 core 185Sqmm cable complete all as specified and directed.

S&F cable jointing kit for 11 KV grade cable for straight through joint cold shrinkable type with jointing material for 3 core 185 Sqmm cable complete all as specified and directed.

S&F cable jointing kit for 11 KV grade cable for straight through joint cold shrinkable type with jointing material for 3 core 120 Sqmm cable complete all as specified and directed.

S&F cable jointing kit for 11 KV grade cable for straight through joint cold shrinkable type with jointing material for 3 core 95 Sqmm cable complete all as specified and directed.

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

M&L for sand cushioning with a layer of sand 80mm thick before laying of cable and 150mm thick after laying of cable in trenches complete all as specified and directed. Note: punned thickness of sand shall be measured.

M&L for unreinforced precast factory made ISI marked concrete cable cover, class HVP type 1 with flat, size 300mmx180mmx40mm perpendicular to the cable abutting each other all as specified and directed over sand cushioning for complete all as specified and directed.

Removal of surplus soil to a distance n.exc 50 mtr and depositing where directed n.exc 1.5 mtr above the starting point complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25cm in soft loose soil complete all as specified and directed.

Supply and laying GI pipe light grade 100mm size under hard standing and road for cable protection with all fittings complete all as specified and directed.

Boring of holes 150mm dia under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine for inserting HDPE pipe 150 mm dia complete all as specified and directed. Note: HDPE Pipe shall be paid seperately

M&L for boring holes 100 mm dia by trench less technology with help of HDD machine to under road/cement path hard standing for providing GI pipe 100 mm both end socketed for passing armored cable incl making good the disturbed surface complete all as specified and directed. Note: GI Pipe shall be all paid seperately

S&F for HT cable route indicator made of CI of size 100mm dia and thickness not less than 5mm marked with HT cable including suitable angle iron & PCC work complete all as specified and directed.

Excavation in post holes (or similar holes) each not exceeding 0.5 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25cm thick in soft/loose soil and making good surface complete all as specified and directed.

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

S&F mild steel workas in 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 and directed.

S&F 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 0.9 mm dia or fixing with galvanised steel staples supplied and fixed complete to wood or steel members complete all as specified and directed. Note: Fencing post & fillets shall be measured & paid separately.

Supply and spreading 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 20mm graded stone aggregate in layer not exceeding 150mm their each layer around the transformer / LT panel at sub station complete all as specified and directed.

Supply and laying 100mm in bore HDPE pipe PN 1.0, PE 100 complete all as specified and directed.

Leo Air and Power Solution pvt Ltd.

SAGGI ELECTRIC COMPANY

SATISH AND CO

Phoenix Infra

Raman Electric Trading Co

Ridhi engineers and builders

Electromech Engineers

M/s GANJOO AND CO

Vardhman Airport Solutions Pvt Ltd