REPAIR TO HT SWITCH GEARS INCLUDING PREVENTIVE MAINTENANCE CABLING LT PANELS AND OTHER CONNECTED EXTERNAL ELECTRIC WORKS AT CABS STIR AND CEMILAC UNDER GE I R D EAST BANGALORE

Amount

Excavation in trenches n. exc. 1.5m wide and n exc. 1.5m in depth for taking out/laying cables in soft / loose soil all as directed.

Returning filling in, including, spreading, leveling, watering and well ramming in layers n exc. 25 cm all as directed.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point all as directed.

M&L for sand filling (pulverized stone dust) for cable cushioning inducing spreading and levelling as directed Note - punned thickness only will be measured and paid

M & L for precast concrete cable cover class HVP type I with peak of size 300 x 180 x 40mm .

S & lay GI pipe galvanised medium grade of the following size for protection of cable across road. Make : JINDAL/ ZENITH/ TATA

Taking down in trenches, fixed on walls, passing through pipes, jointing and testing of electric LT UG cables, PVC insulated, PVC sheathed, galvanised steel strip or wire armoured electric power cables with stranded aluminium conductors 1100 Volts grade for the following :-

240 SQ MM 3.5 Core

185 SQ MM 3.5 Core

150 SQ MM 3.5 Core

120 SQ MM 3.5 Core

95 SQ MM 3.5 Core

70 SQ MM 3.5 Core

50 SQ MM 3.5 Core

35 SQ MM 3.5 Core

25 SQ MM 3.5 Core

16 SQ MM 4.0 Core

10 SQ MM 4.0 Core

Suppy and laying in trenches, fixed on walls, passing through pipes, jointing and testing of electric LT UG cables, PVC insulated, PVC sheathed, galvanised steel strip or wire armoured electric power XLPE cables with stranded aluminium conductors 1100 Volts grade for the following :-

240 SQ MM 3.5 Core

185 SQ MM 3.5 Core

150 SQ MM 3.5 Core

120 SQ MM 3.5 Core

95 SQ MM 3.5 Core

70 SQ MM 3.5 Core

50 SQ MM 3.5 Core

35 SQ MM 3.5 Core

25 SQ MM 3.5 Core

16 SQ MM 4.0 Core

10 SQ MM 4.0 Core

Taking down in trenches, fixed on walls, passing through pipes, jointing and testing of electric HT UG cables, PVC insulated, PVC sheathed, galvanised steel strip or wire armoured electric power cables with stranded aluminium conductors 11000 Volts of any sizes.

Material and labour for HT cable 95 Sqmm 3 core PVC insulated , screened, PVC bedded, galvanised steel strip or wire, XLPE armoured power cable (heavy duty) with aluminium conductor 11000 Volts grade cross sectional area complete laying on trenches all as specified and directed.

Material and labour for HT cable 120 Sqmm 3 core PVC insulated , screened, PVC bedded, galvanised steel strip or wire, XLPE armoured power cable (heavy duty) with aluminium conductor 11000 Volts grade cross sectional area complete laying on trenches all as specified and directed.

M & L for taking out bottom trolly of HT VCB 11 KV 400/800 Amps capacity after disconnecting power supply for carrying out servicing and maintenance of operating mechanism, latch assembly, spring mechanism. checking of electrical control wiring of OCB and checking for proper functioning of shunt trip coil, lubricating of all moving parts and checking/cleaning of alignment of moving contacts with fixed contact assembly for proper functioning of operation. Re- assembling of bottom trolly of HT OCB fixed in its original position and testing commissioning for smooth functioning complete all as specified and as directed.

Supply and fixing of moving contact assembly suitable for HT VCB/OCB 11 KV 400 amps VCB/OCB includes dismantling the old unserviceable moving contact assembly suitable for HT VCB/OCB complete all as specified and as directed. Make :- Crompton Greaves or equivalent

M & L for calibration IDMT relays set of three through relay test kit inlcuding other required measuring equipment to the site by secondary injection method and testing for proper functioning/tripping systems of relays complete all as specified and as directed. Note : The rate quoted by the contractor is deemed to be included for quarterly checking of relays in VCB/OBC for its proper setting/fuctioning and tripping of VCB/OCB during over load/earth fault.

Supply and fixing of HT current transformer of capacity 200 / 100 / 5-5 HT 11 KV including testing commissioning of through primary injection method with suitable testing kit and also checking the control panel wiring including setting the CT range with relays setting for proper functioning/tripping and taking out old unserviceable CT complete all as specified and as directed. Make : Kalpa/Instrans

Supply and fixing HT digital display voltmeter suitbale for HT OCBs,HT VCBs at various substation suitable for HT panel 1100 / 100 volts (auxiliary volts) including necessary connections and taking out old unservicebale complete all as specified and as directed. Make : Schnider/ Elmeasure

Supply and fixing HT digital type ammeter suitable for CT ratio 50 / 100 / 200 amps including necessary connections and taking out unserviceable ammeter complete all as specified and as directed. Make : Schnider/ Elmeasure

M & L for filtration of transformer oil through stream line/high vaccum filtration plant for extracting moisture content in the oil and carbon deposits and bringing the di-electric strength not less than 40 KV for one minute with sphere gap of 2.5 mm including checking the value of acidity of oil with a acidity test kit and submitting test report for Die electric strength and acidity of transformer oil before/after filteration complete all as specified and as directed. Note : 1.The contractor should submit the Test sheet for all transformer in which dehydration of transformer oil carried out

Supply and filling of New transformer oil confirming to IS 335-1963 as amended and die electric strength not less than 60 KV for topping up/replacement of unserviceable transformer oil complete all as specified and as directed.

S & Fixing of supporting HT Bushing for kirloskar Electric breakers suitable for HT 11 KV existing VCB all as directed and specified by Engr in charge.

Material and labour for painting distribution transformer with two coats of synthetic enamel paint of smoke grey colour after neatly cleaning and preparing the surface for the transformer including all bus ducts of the following capacity including writing SM / MES No (5 cm height) with white enamel paint complete all as specified and as directed.

800 KVA TO 1000 KVA

200 KVA TO 400 KVA

Supply, joint, test, end termination joint kit heat shrinkable indoor type, suitable for HT 11 KV XLPE cable 3 core 120 to185 sqmm with necessary jointing materials including connecting etc including taking down unserviceable end joint complete and laying on floor/trenches complete all as specified and as directed. Make : Densons/Birla M/M Seal or equivalent

Supply, joint, test, end termination joint kit heat shrinkable indoor type, suitable for HT 11 KV XLPE cable 3 core 95 sqmm with necessary jointing materials including connecting etc including taking down unserviceable end joint complete and laying on floor/trenches complete all as specified and as directed. Make : Densons/Birla M/M Seal or equivalent

Supply and fixing silica jel breather with new silica gel suitable for distribution transformer up to capacity 2000 KVA including taking out unserviceable complete all as specified and as directed.

Supply and fix inlet and outlet brass gate valve 32 mm/40mm heavy duty complete all as specified and as directed.

Material and labour for rewinding of HT/LT transformers by winding the defective coils with copper wire as IS of same gauge as per existing size together with new material and aluminium bracings beore placing into the transformer and assembling the HT/LT coil with new insulation between core and LT coil and fixing the coil in the chamber , testing and commissioning the transformer and recording the test result up to satisfactin levels of Engr-in -Charge complete all as specified and directed

Removing, transporting the indoor/outdoor type transformers of capacity 630KVA to 1000 KVA from one location /work shop tto cary out the necessary repairs/modification of HT/LT indoor/outdoor transforner . After dismantling HT/LT side carefully and removing primary and secondary terminals, top cover, conservator tank, neutral earth strips and draining out the transformer oil to the required level and storing careully in cleaned containers, cleaning of terminals, inspection of core replacing the 5mm thick rubberise cork sheet gasket for tank top cover reassembling the complete dismantled items, reconnecting the HT/LT supply cable ends at the site complete all as directed

All as per item No. 27 here in before but of transformer of capacity 200 to 400KVA

Supply and fix in repair MCCB 3 Pole, 415 V, fixed type, 25 to 100 Amps with breaking capacity 16 KA rupturing capacity in existing panel board including modification on existing panel including complete connection as required at site including taking down old unserviceable MCCB . Make : L & T / ABB / Schneider / Legrand

Supply and fix in repair MCCB 4 Pole, 415 V, Adjustable type, 160 Amps with breaking capacity 36 KArupturing capacity in existing panel board including modification on existing panel including complete connection as required at site including taking down old unserviceable MCCB . Make : L & T / ABB / Schneider / Legrand

Supply and fix in repair MCCB 4 Pole, 415 V, Adjustable type,200 Amps with breaking capacity 36 KArupturing capacity in existing panel board including modification on existing panel including complete connection as required at site including taking down old unserviceable MCCB . Make : L & T / ABB / Schneider / Legrand

Supply and fix in repair MCCB 4 Pole, 415 V, Adjustable type,250 Amps with breaking capacity 36 KArupturing capacity in existing panel board including modification on existing panel including complete connection as required at site including taking down old unserviceable MCCB . Make : L & T / ABB / Schneider / Legrand

Supply and fix in repair MCCB 4 Pole, 415 V, Adjustable type,400 Amps with breaking capacity 36 KArupturing capacity in existing panel board including modification on existing panel including complete connection as required at site including taking down old unserviceable MCCB . Make : L & T / ABB / Schneider / Legrand

Supply and fix in repair MCCB 4 Pole, 415 V, Adjustable type,630 Amps, with breaking capacity 50 KA rupturing capacity in existing panel board including modification on existing panel including complete connection as required at site including taking down old unserviceable MCCB . Make : L & T / ABB / Schneider / Legrand

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

Supply and replace Gang operated Air Break switch tilting type combined with drop out fuse complete set of 400Amps including replacement of HT jumpers proper fixing with clamping on HT pole and all complete connections as directed by Engr in charge. make : PSI/RMCO

Supply only line discharging (earthing rod) assembly complete in 3/4 sections 20 feet long with Aluminium screw handed jaw contact, earth wire etc complete suitable for 11KV installations.

S & F in repair push botton on/off suitable for 11KV panel of existing size including removing old unserviceable of colour Red, Green, Blue ,Yellow(as per site requirment).

S & F in repair indicator lamp assembly complete LED type suitable for 30V DC or 110V AC including fixing of HT OCB. Make :Vaishno or Equiplent

S & F in repairs of Three pole VCB main shaft assembly suitable for HT 11 KV . Make : Kirloskar or equivlent

S & Fixing,testing & commisioning of vaccume Interputure bottol for the existing HT 11 KV VCB including taking out old unserviceable vaccume Interputure bottol complete all as specified and as directed. Make :BHEL Or equivalent

S & F Copper strip 32mm x 6 mm buried in ground including excavation /refill with 40 mm light grade pipe all as directed by Eng - in- Charge

S & F in repair shunt trip coil suitable for VCB/OCB of 600Amps capacity of 110 volt. Make : Crompton Greaves Or Equivlent

Supply & Replace HT End 11KV XLPE cable end joint Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size shrinkable type outdoor 3 core 50 to 95 Sqmm. Make : Denson / Raychem/3 M

Supply & Replace HT End 11KV XLPE cable end joint Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size shrinkable type outdoor 3 core 120 to 185 Sqmm. make : Denson / Raychem/3 M

Supply & Replace HT straight through 11KV XLPE cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size shrinkable type outdoor 3 core 50 sqmm to 95Sqmm 3 core UG cable complete. make :Denson / Raychem/3 M

S & Replace HT straight through joint heat 11KV XLPE cable end joint Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size shrinkable type outdoor 3 core 120 sqmm to 185 Sqmm 3 core UG cable complete. make : Denson / Raychem/3 M

S&F in repair temperature gauge of suitable size and capacity of the transformer of any make. make: Precimeasure or equipment

M&L for HT bushing 11000Volts insulator for transformer of following capacity :-

200 KVA to 400 KVA

800 KVA to 1000 KVA

M&L for LT bushing insulator 1100 Volts for transformer of following capacity :-

200 KVA to 400KVA

800 KVA to 1000 KVA

M & L for taking out the defects parts from LT ACB while servicing and then supply and replace the following new spare suitable for LT ACB s indoor type make : CG/Kirloskar of capcity upto 1600Amps 3 phase 50Hz all as directed by Engineer-in-Charge.

Tripping coil

Male & female contact

Locking assembly

Spring charge motor

NO Volt coil 110V DC

PT fuses (11KV/8Amps HT 5 x UTF 11) with stem

Closing coil

Spout Bushing

M & L for servicing of and repairing of HT 11 KV VCBs and replacement of the following spares all as specified and directed by Engr in charge.

Spring charge motor

Closing Mechnisiam spring

Limit switch

CAM switch

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or drawn in conduit/GI pipe or fixed to poles or any other indicated situation for loop earthing etc as required of GI strip 32 x 6 mm complete all as specified and as directed.

Supply and fix in replacement of old unserviceable PT with new potential transformer for incomer panel oil cooled with protective enclosure of ratio 11KV/110V/RT3/110/RT3 Class 1.0/3P , burden 200VA voltage factor 1.2 continuos/ 1.5 for 30 seconds , ILV 12/28/75KVP , Ins class B Ref Std IS: 3156/1992 , one end earthed type with one No. HRC fuse on HV side . Note : Primary neutral to be solidly earthed including removing of old unserviceable PTs. Make: KALPA/Instrans

Supply only hand gloves HT for operating /handling sub station of 11/33/66 KV ISI marked complete all as specified and as directed. Make : Jaipuria Brothers or equivalent

Supply and spread and leveling graded coarse aggregate in loose filling over the sand of guage 40 mm nominal size in the E/M installation yard

M&L for earthing complete with 60cm x 60cm x 6 mm thick GI plate electrode buried in ground vertically not less than 2.25mtrs deep below ground level with top edge of the plate not less than 1.5mtrs below ground level with GI strip of size 32 x 6mm as earthing lead including necessary excavation and earth work (in any of strata) providing charcoal dust, salt mixed with fine sand in continuous layers, PCC (1:3:6 ) type C1 in chember ,Precast 50 mm thick in cement ( 1: 2:4) type B.1 with CI frame with cover, 20mm dia bore light grade GI watering pipe furnel etc fixing of GI Pipe 40 mm bore protection for earthing strip from earth pit to test point complete & making connection all as specified in Electrical plate No 3 and as directed by Engineer-in-Charge.

M & L for Earthing complete with chemical earthing with copper plate 900x600x 3.15 mm as earthing lead buried directly in ground vertically to depth not less than 2.25 mtr below GL with the top edge of the plate not less than 1.5 mtr from GL, connected to copper earth strip of 32 x6 mm by means of bolts & nuts,to GI and connected to earthing test point all as shown in elecrical plate No-5 of SSR part -1 of 2009 * specified or indicated and testing on completion including excavation /earth work in any type of starta PCC (1:3:6) type C1 earthing chamder pre cast slab 50 mm thick in cement concrete (1 : 2 : 4 ) type B1 , Reinforced with welded steel wire fabric (XPM) weight not less than 4 KG /sqm cast iron frame ,funnel with wire mesh GI watering pipe of 20 mm bore medioum grade and lugs with and including copper strip 32X6 mm strip as earthing lead.7.5 meter long complete all as specified..

M & L for PCC (1:3:6) type C1 using 20 mm graded aggregate for making good the disturbed portion of road/floor/platform/foundation of RMU unit etc including form work completion etc all as specfied and directed .

M & L for well burned bricks , laid flat ( old size) sub class B designation 75 for cable protection copmplete all as specifed and directed.

Labour only to find HT cable fault of any rating through BESCOM by using High pot Test tool kit from BESCOM to locate the HT fault .If any jointing kit required then measured and paid separately. Note - No any additional cost to be provided to contractor for T & P.

S & F Copper strip 20mm x 3.15mm with saddles and fixing screws for roof conductor and down condition above ground.

Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv (size 2x1m) for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m.

M & L for servicing of 4 pole structure including replacemet of all jumpers with proper lugs/thimble, painting the structure and channels/cross arms , replacement of wornout nuts bolts, replacement of blown fuses , trimming of tree branches including painting to the structure with aluminium paint over a coat of red oxide primer complete all as specified and as directed Note: 1. Proper shut down should be taken in advance. 2. All Safety precautions should be taken by the tenderer

Labour & Painting of LT outdoor type feeder pillar box of size not more than 1.50 x 1.25 x 0.75m with two coats of enamelled paint over a coat of red oxide primer including repair to the hinges and locking system , cleaning inside the panel, cleaning the vegetation around the foundation upto 1.0 mtr around complete all as specified and as directed

Material and labour for painting of existing steel tubular street light poles above the PCC foundation/coping surface, etc with a coat of synthetic enamel paint alumium Paint including numbering of poles, cleaning of existing surface with wire brush complete all as directed by Engineer-in -charge.

Supply & Fix street light pole boxes of size 6x8x3.5 inches for MCB Sliding cover boxes,weather dust rain guarded cable entre and exit arrangement of suitable size of housing of with 01 No MCB SP 6/10 Amps Including Bolts & nuts Clamps for fixing to pole, painting a coat of synthetic enamel paint including termination of cable of any size with 2 Way 4 connectors Each in each boxes all as directed by Engineer - in - charge ( Sintex, Hensel)

S & Fixing of Power Pack Suitable for VCB/OCBs of suitable make suitable for operating Voltage 230 Volts

Cleaning of out door Sub Station by cutting and removing vegetation growth and surface leveling complete all as specified and as directed.

Maintenance and servicing of battery panel 220/110/30/24 V DC with battery 55 Nos and its control Panels wiring, PCB, Relays and terminal cables with replacement of defective parts with new one including testing and servicing battery charges complete all as specified and as directed.

M & L for disconnecction of HT and Earthing connections from RMU carefully and taking out of the RMU and shifting from Near Gate No -5 to four pole structure at CABS on the PCC foundation by using Crane and making HT /earthing connections,commessioning,charging complete all as directed and specified .

SREE VARU ELECTRICALS

Sai Ram Builders

C R R CONSTRUCTIONS

B5BUILDING SOLUTIONS

GURU ENTERPRISES

Lucky Enterprises

RAHUL ENTERPRISES

HEERA CONSTRUCTION CO.