REPAIR AND MAINTENANCE OF SWITCH GEAR ,LT PANELS, SUB PANELS AND CONNECTED EM WORKS IN MILITARY STATION BELGAUM UNDER GE BELGAUM.

Amount

Supply and fix in repairs LT Panel Outdoor type floor mounted free standing dust and vermin proof panel / DB with IP-55 protection, CPRI approved, frame fabricated out of 40mm x 40mm x 4mm Mild steel angle iron, 3 mm thick CRCA sheet for entire outer panel with single door and locking arrangements and 1.6 mm thick CRCA sheet for inner compartment with 40mmx4mmMild steel flat Iron, including Separate cubicle chamber with cable alley not less than 300mm width for installation/connecting switchgears with the main bus bar using aluminium bus link or copper conductor flexible wires suitable for switch rating and connecting outgoing terminals of the switchgear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles, MS surfaces epoxy based powder coated, shade as approved over 2 coats of red oxide primer, surfaces pre-treated in seven tank process for de-greasing, de-rusting & Phosphated, panel having front and rear opening and provision for installation of separate cable alleys, all MCCBs must be have thermal magnetic relrase, busbar chamber and switchgear compartments, Provision in cable alleys for bottom cable entry for incoming & outgoing cables, affixing MV danger plate at suitable intervals / locations including erection, testing and commissioning complete all as specified and directed including the following fixtures amd fitments mentioned against srl 1.01 & 1.04 below.

Outgoing:- Separate cubical chamber with a cable alley not less than 300 mm width for installation/connecting the following switch gear with the main bus bar using aluminium bus link or copper conductor flexible wires suitable to the switch rating and connecting outgoing terminals of the switch gear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles.

Note:- (i) A clear space of 200 mm shall be kept from floor level for switchgear compartment. (ii) Air ventilation breathers with exhaust fan plastic body 100mm sweep to be provided for heat dissipation. Suitable sized knock-out holes for cable glands shall be provided. (iii) Each compartment shall be numbered / lettered as approved by GE. (iv) LT panel shall be fixed in existing location and the disturbed surrounding surfaces shall be made good as per exising specifications. The cost of making good shall be deemed to be included in the unit quoted rate by the contractor.. (v) The Contractor shall submit the GA drawings of LT Panel for approval of GE before commencement of work.

All as per Serial item No. 1 here in before but with the following fittings & fixures :-

All as per serial item No. 1 here in before but with the following fittings & fixures :-

All as per serial item No. 1 here in before but with the following fittings & fixures :-

All as per serial item No. 1 here in before but with the following fittings & fixures :-

All as per serial item No. 1 here in before but with the following fittings & fixures :-

Outgoing:- Separate cubical chamber with a cable alley not less than 300 mm width for installation/connecting the following switch gear with the main bus bar using aluminium bus link or copper conductor flexible wires suitable to the switch rating and connecting outgoing terminals of the switch gear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles.

Note(cont)(v) A clear space of 200mm shall be kept from floor level for switchgear compartment. (vi) Air ventilation breathers with exhaust fan plastic body 100mm sweep to be provided for heat dissipation. Suitable sized knock-out holes for cable glands shall be provided. (vii Each compartment shall be numbered / lettered as approved by GE. (iv) LT panel shall be fixed in existing location and the disturbed surrounding surfaces shall be made good as per exising specifications. The cost of making good shall be deemed included in unit quoted rate. (viii) Contractor shall submit the GA drawings of LT Panel for approval of GE before placing the bulk order

All as per serial item No. 1 here in before but with the following fittings & fixures :-

All as per serial item No. 1 here in before but with the following fittings & fixures :-

All as per serial item No. 1 here in before but with the following fittings & fixures :-

Outgoing:- Separate cubical chamber with a cable alley not less than 300 mm width for installation/connecting the following switch gear with the main bus bar using aluminium bus link or copper conductor flexible wires suitable to the switch rating and connecting outgoing terminals of the switch gear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles.

Note:- (i) A clear space of 200mm shall be kept from floor level for switchgear compartment. (ii) Air ventilation breathers with exhaust fan plastic body 100mm sweep to be provided for heat dissipation. Suitable sized knock-out holes for cable glands shall be provided. (iii) Each compartment shall be numbered / lettered as approved by GE. (iv) LT panel shall be fixed in existing location and the disturbed surrounding surfaces shall be made good as per exising specifications. The cost of making good shall be deemed included in unit quoted rate. (v) The Contractor shall submit the GA drawings of LT Panel for approval of GE before commencement of work

All as per serial item No. 1 here in before but with the following fittings & fixures :-

Outgoing:- Separate cubical chamber with a cable alley not less than 300 mm width for installation/connecting the following switch gear with the main bus bar using aluminium bus link or copper conductor flexible wires suitable to the switch rating and connecting outgoing terminals of the switch gear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles.

Note:- (i) A clear space of 200mm shall be kept from floor level for switchgear compartment. (ii) Air ventilation breathers with exhaust fan plastic body 100mm sweep to be provided for heat dissipation. Suitable sized knock-out holes for cable glands shall be provided. (iii) Each compartment shall be numbered / lettered as approved by GE. (iv) LT panel shall be fixed in existing location and the disturbed surrounding surfaces shall be made good as per exising specifications. The cost of making good shall be deemed included in unit quoted rate. (v) The Contractor shall submit the GA drawings of LT Panel for approval of GE beforecommencement of work.

All as per serial item No. 1 here in before but with the following fittings & fixures :-

Material and Labour for Painting old surfaces of Feeder Pillar boxes / LT panels of any sizes at site with one coat of epoxy based paint DANCOT/Asian make shade / tint as approved including preparation of surfaces, cleaning rusted portion complete all as specified and as directed.

Supply only following fixtures / fittings for replacement in LT Panel boards:-

MCCB, 36 KA, 4 pole, 400A Make : Indo Asian / Seimens / Schneider/Havells

MCCB, 36 KA, 4 pole, 200A Make :Indo Asian / Seimens / Schneider/Havells

MCCB, 36 KA, 4 pole, 160A Make : Indo Asian / Seimens / Schneider/Havells

MCCB, 16 KA, 3 pole, 125A Make :Indo Asian / Seimens / Schneider/Havells

MCCB, 16 KA, 3 pole, 100A Make : Indo Asian / Seimens / Schneider/Havells

Onload change over switch 4 pole 415 Volt 100 Amps, Make : L&T / Indo Asian / Seimens / Schneider/Havells

Onload change over switch 4 pole 415 Volt 200 Amps, Make : L&T / Indo Asian / Seimens / Schneider/Havells

Supply and fix in repairs Automatic Power Factor Correction Panel of capacity 150 KVA in 12 stages with micro processor based by Supply, assembly, erection, testing and commissioning of Indoor type floor mounted free standing, dust and vermin proof panel/DB with IP-42 protection CPRI approved ISO 9001 certified frame fabricated out of 40mm x 40mm x 4mm Mild steel angle iron with 2 mm thick CRCA sheet for entire outer panel and single door and locking arrangements and 1.6 mm for inner compartment with 40mmx4mm Mild steel flat Iron, and exposed surfaces treated with epoxy based powder coated, shade as approved over 2 coats of red oxide primer, surfaces pre-treated in seven tank process for de-greasing, de-rusting & Phosphated, Panel / DB having front and rear opening for installation of separate cable alleys, busbar chamber and switchgear compartments, Provision in cable alleys to be kept for bottom cable entry for incoming & outgoing cables. A clear space of 200mm to be kept from floor level for switchgear compartment. Air ventilation breathers shall be provided for heat dissipation. Suitable sized knock-out holes for cable glands shall be provided. Each compartment shall be numbered/lettered as per the approved drawing. Affixing MV danger plate as suitable intervals/locations, fully internally wired with suitable size of thimbles. Incoming / outgoing internal connection with PVC insulated and sheathed multistranded copper wire of suitable size all as directed and comprising the following :-

BUS BAR CHAMBER :- (a) 400 Amp 3 Strips & Neutral Strip 200 Amp, Aluminium conductor, with color coded heat shrinkable sleave and shall be mounted on non hygroscopic, non combustible, track resistant, high strength DMC material, interconnection of all incomings & outgoings. INSTRUMENT CHAMBER :- (i) Digital Multifunction Meter- 01 Set. (ii) Red,Yellow,Green Phase indicating Lights LED type 220V AC- 1 Set. (Set of three). (iii) Protection MCB 6 A SP C Series- 1 Set. (Set of three). .

Supply only following parts suitable for three phase servo voltage stabilizer 40 KVA capacity as per existing make or as recommanded by original stabilizer manufacturer complete all as specified and as directed.

Volt Meter (Digital / Analog)

Ampere meter with CT (Digital / analog)

Micro Processor based control card for each phase

Servo synchronizing motor single phase AC 230 Volts, 3 Kg torque

Carbon Brush of any capacity

Supply and fix Dimmerstate unit suitable for Capacity 40 KVA, 25 Amps of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer complete all as specified and as directed.

Supply and fix Main control transformer for synchronizing motor suitable for 50 KVA capacity of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer complete all as specified and as directed.

Supply and fix Main control transformer for synchronizing motor suitable for 100 KVA capacity of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer complete all as specified and as directed.

Supplying and laying synthetic Rubber insulated mat of size 2m x 1m x 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) IEC/BS EN 61111: 2009 BIS/ERDA/CPRI approved suitable for electrical shock safety .complete all as specified and as directed.

Supplying and laying synthetic Rubber insulated mat of size 2m x 1mx 3 mm thick for voltage upto 33 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) IEC/BS EN 61111: 2009 BIS/ERDA/CPRI approved suitable for electrical shock safety complete all as specified and as directed.

Material and labour for XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with multi-stranded aluminium conductor, 1100 Volts grade, of cross sectional area 50 Sqmm x 4 core, laid in trenches/ passing through pipe/ duct or fixed to wall including provision of necessary lugs/ thimbles/ ferrules, connecting up, testing and commissioning complete and taking down existing old unserviceable LT UG cables of any description and size and making good disturbed surfaces and taken as credit complete all as specified and as directed. Note: (i)Excavation, earth work, riddled earth cushioning, bricks/ GI pipe for protection shall be measured and paid separately under relevant items in this BOQ. (ii) Make of XLPE cable : GLOSTER/POLYCAB/NICCO/PLAZA/Havells

Description all as per item no : 22 here in before but of cross sectional area 70 Sqmm x 3.5 core

Description all as per item no : 22 here in before but of cross sectional area 95 Sqmm x 3.5 core

Description all as per item no : 22 here in before but of cross sectional area 185 Sqmm x 3.5 core

Description all as per item no : 22 here in before but of cross sectional area 300 Sqmm x 3.5 core

Description all as per item no : 22 here in before but of cross sectional area 400 Sqmm x 3.5 core

Material and labour for LT straight through joint heat shrinkable type for 4 core LT UG cable of size varies between 50 sqmm to 400 sqmm complete all as specified and as directed. Note Make of LT Joint : Denson/Raychem/M seal

All as per description in item no :28 here in before but of size 70 sqmm x 3.5 core

All as per description in item no :28 here in before but of size 95 sqmm x 3.5 core

All as per description in item no :28 here in before but of size 185 sqmm x 3.5 core

All as per description in item no :28 here in before but of size 300 sqmm x 3.5 core

All as per description in item no :28 here in before but of size 400 sqmm x 3.5 core

Material and labour for Earthing complete with galvanised earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly in ground in vertical position, earth pit not less than 2.25 Metre deep below ground level with top edge of the plate not less than 1.5 Metre below ground level connetced with galvanised iron earthing strip of size 25 mm x 4 mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary excavation & earth work, returning filling and removal of surplus earth upto a distance not exceeding 50 Mtr etc all as shown on electrical plate No. 3 of MES Schedule Part-I complete to obtain less than 1 Ohm earth resistance, fiaxed in repairs including taking out existing old unservicableearthing materials of any description and taken as credit complete all as specified and as directed..

NOTE : (i) Cost of this items includes the scope of earth work viz :charcoal, salt, PCC, RCC pit cover of required size. (ii) Unit rate of this items includes the cost of galvanised iron strip upto 7.5 metre. After 7.5 metre, strip shall be measured and paid for separately.

Material and labour for Earthing continuity conductor or main earthing lead fixed to wall on batten on recess or chases or buried in ground or dawn in conduit / pipe or fixed to poles or any other indicated situation for loop earthing etc. as required of size 32 x 6 mm Aluminium strip for connection. complete all as specified and as directed..

Material and labour for Sand cushioning using dry clean river sand for protection of underground cable, consolidated and compacted complete all as specified and as directed.

Material and labour well burnt old size sub Class ‘B’ bricks, laid flat, in trenches for cable protection complete all as specified and as directed.

Excavating in trenches n. exc. 1.5m wide and n exc 1.5m depth and getting out in soft/ loose soil for laying cables, pipes, etc. complete all as specified and as directed.

Returning filling in approved excavated earth including spreading leveling, watering and well ramming in layers n.exc 25cm thick complete all as specified and as directed.

Removing surplus excavated soil to a distance n exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed.

SANJAY B SHARMA

Green Ray Enterprises

metro electrical services