REPAIRS/REPLACEMENT OF ELECTRIC UG CABLES LT PANELS AND CERTAIN IMPROVEMENTS OF ELECTRICITY DISTRIBUTION SYSTEM UNDER GE I RND RCI HYDERABAD

Amount

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m depth for foundation, for laying of pipes/cables/poles etc., and getting out in any type of soil complete all as specified and directed.

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

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

Supply and spreading natural river sand of approved quality for cushioning of cable laid in trenches including compacting and leveling complete all as specified and as directed Note: Punned thickness will only be measured and paid.

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

Supply and laying un reinforced precast concrete cable cover, class HV Type 1, size 300mm x 180mm x 40mm, laid flat adjacent to each other, perpendicular to cable in trenches for protection of cable complete all as directed.

Supplying, laying, jointing, testing and commissioning 1100 volts grade, LT XLPE insulated, PVC sheathed as per IS-7098 (Part-I), 1988 galvanized steel strip or wire armoured, heavy duty, electric cables, with multistranded aluminium conductor laid in trenches/ passing through pipe/duct/road crossing or fixed on poles, walls with suitable size clamps made out of mild steel flat iron including jointing material such as crimping type lugs, brass cable glands, heavy duty double compression type etc., including disconnecting and taking down unserviceable cable complete all as specified and directed for the following sizes:- Note: Earthwork Excavation, sand cushioning, GI pipe and cable protection will be measured and paid separately.

3.5core 300Sqmm

3.5core 240Sqmm

3.5core 150Sqmm

3.5core 95Sqmm

Supplying, laying, jointing, testing and commissioning 11000 volts grade, Earthed, HT XLPE insulated, insulation screened with extruded semi-conducting compound in combination with copper tape cores laid up, PVC inner sheath with fillers, galvanized steel flat strip armoured, heavy duty, electric cables, with multistranded aluminium conductor, conductor screen with extruded semi conducting compound and overall PVC sheathed cable as per IS-7098 (Part-2) 1988 with latest amendments, laid in trenches/ passing through pipe/duct/road crossing or fixed on poles, walls with suitable size clamps made out of mild steel flat iron including jointing material such as crimping type lugs, brass cable glands, heavy duty double compression type etc., including disconnecting and taking down unserviceable cable complete all as specified and directed for the following sizes:- Note: Earthwork Excavation, sand cushioning, GI pipe and cable protection will be measured and paid separately.

3core 150Sqmm

3core 120Sqmm

3core 95Sqmm

Supply and jointing new outdoor termination, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120sqmm to 185sqmm for 11KV(Earthed) grade including testing complete all as specified and directed.

All as per item No 10 above but cable of size 3core 95sqmm

Supply and jointing new straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120sqmm to 185sqmm for 11KV (Earthed) grade including testing complete all as specified and directed.

All as per item No 11 above but cable of size 3core 95sqmm.

Supply, Install, testing and commissioning, factory made and tested, CPRI approved LT panel board indoor type, weather, dust and vermin proof, free standing floor mounting type mounted on floor, separate cable alley for all the feeders, suitable for 440Volts, 3 Phase 4wire 50Hz AC supply system, conforming to IS, IP-54 class protection and made of 2mm CRCA mild steel sheet & angle iron frame, compartmentalized with rubber gasket hinged doors, front & rear opening and locking arrangement (including provision of 65mm Godrej (freedom) lock with 2 keys) with necessary bus bar arrangement with electrolytic grade aluminium bus bar 1200Amps rating for phase and neutral 4 strips with colour coded PVC sleeves, installed on epoxy insulators housed in separate bus chambers covered with heat shrinkable sleeves with necessary bus bar

tapings for ACBs/MCCBs, copper control wiring using suitable size of PVC insulated, multi stranded copper conductors with all connected accessories, duly powder coated on the outside and inside including air ventilation for heat dissipation, suitable size knock out holes for cable glands, cable gland and lugs for incoming and outgoing cable etc., independent multilayer chambers to accommodate accessories including dismantling the unserviceable LT panel board from the existing position after disconnection of all electrical connections complete all as specified and directed with and including the following accessories :-

ACB 4pole, 800Amps with adjustable thermal and magnetic settings (over load, short circuit, earth fault protection and metering relay), 50KA rupturing capacity at 415volt, mechanical draw out type with manual spring charge mechanism with self contained CTs - 01 No (Incoming)

MCCB 4pole, 630Amps, with adjustable thermal and magnetic settings, 50KA rupturing capacity at 415volt, conform to IEC -60947-II/ IS-13947-II - 02 No (Outgoing)

MCCB 4pole, 250Amps, with adjustable thermal and magnetic settings, 36KA rupturing capacity at 415volt, conform to IEC -60947-II/ IS-13947-II - 06 No (Outgoing)

MCCB 3pole, 100Amps, with adjustable thermal and magnetic settings, 16KA rupturing capacity at 415volt, conform to IEC -60947-II/ IS-13947-II - 02 No (Outgoing)

Indicator lamp R,Y,B LED type with 3 Nos of 2A HRC fuses - 01 Set

Note: Necessary arrangement shall be made for connecting and proper alignment of the panel board with the existing panel boards.

Supply, Install, testing and commissioning, factory made and tested, CPRI approved LT panel board indoor type, weather, dust and vermin proof, free standing floor mounting type mounted on floor, separate cable alley for all the feeders, suitable for 440Volts, 3 Phase 4wire 50Hz AC supply system, conforming to IS, IP-54 class protection and made of 2mm CRCA mild steel sheet & angle iron frame, compartmentalized with rubber gasket hinged doors, front & rear opening and locking arrangement (including provision of 65mm Godrej (freedom) lock with 2 keys) with necessary bus bar arrangement with electrolytic grade aluminium bus bar 600Amps rating for phase and neutral 4 strips with colour coded PVC sleeves, installed on epoxy insulators housed in separate bus chambers covered with heat shrinkable sleeves with necessary bus bar

tapings for MCCBs, copper control wiring using suitable size of PVC insulated, multi stranded copper conductors with all connected accessories, duly powder coated on the outside and inside including air ventilation for heat dissipation, suitable size knock out holes for cable glands, cable gland and lugs for incoming and outgoing cable etc., independent multilayer chambers to accommodate accessories including dismantling the unserviceable LT panel board from the existing position after disconnection of all electrical connections complete all as specified and directed with and including the following accessories :-

MCCB 4pole, 400Amps, with adjustable thermal and magnetic settings, 36KA rupturing capacity at 415volt, conform to IEC -60947-II/ IS-13947-II - 01 No (Incoming)

MCCB 4pole, 200Amps, with adjustable thermal and magnetic settings, 36KA rupturing capacity at 415volt, conform to IEC -60947-II/ IS-13947-II - 02 No (Outgoing)

MCCB 3pole, 100Amps, with adjustable thermal and magnetic settings, 16KA rupturing capacity at 415volt, conform to IEC -60947-II/ IS-13947-II - 02 No (Outgoing)

MCCB 3pole, 63Amps, with adjustable thermal and magnetic settings, 16KA rupturing capacity at 415volt, conform to IEC -60947-II/ IS-13947-II - 02 No (Outgoing)

Indicator lamp R,Y,B LED type with 3 Nos of 2A HRC fuses - 01 Set

Note: Necessary arrangement shall be made for connecting and proper alignment of the panel board with the existing panel boards.

M&L in repairs, Earthing complete with galvanized steel earth plate electrode of size 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25m deep below the normal ground level) with top edge of plate not less than 1.5m below normal ground level connected to GI strip 25x4mm as earth lead by means of bolts, nuts, washers and check nuts made out of galvanized iron or steel all as shown on Electrical Plate No. 3 of SSR Part-I including testing on completion complete all as specified and directed.

Note 1: The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, 50mm thick RCC 1:2:4 type B-1 using 20mm graded stone aggregate cover slab reinforced with 6 Nos of 8mm dia TMT bars both ways, funnel with watering pipe 20mm dia medium grade, GI protection pipe medium grade 40mm dia and wire mesh complete in addition to item No. 1(a) to (e) of preamble (Notes) under sub-heading earthing, specified on Sl Page No. 422 of SSR Part-II.

Note 2: Earthing lead beyond 7.5m will be measured and paid separately.

S&F GI Earth strip 25 x 4mm as in earth continuity conductor fixed to wall on battens or buried on ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing complete all as specified and directed.

CHITRA ENGINEERING CORPORATION

S.S.ENGINEERING CORPORATION

UNITY ENGINEERING TRADERS

Maruthi international

Shreshta Associates

shanti enterprises

Rama Electricals

ELEVATORS MAINTENANCE ENGINEER WORKS

STANDARD AGENCIES

UNITED TECHNO PROJECTS PVT LTD