ELECTRICAL WORKS FOR COEBPT LAB

Distribution Transformer — A. 11 / 0.433 kV,3 phase,2 winding, 1250 kVA with 5% Impedance, Oil Type transformer,indoor, Delta / star, Dyn 11, OCTC with +/- 5 % variation in 5 equalsteps, with HV cable box with air insulated disconnect chamber, LVterminals suitable for TPN busduct/Cable box, LV neutral bushing CTs,additional neutral bushing, cable sealing kits for incoming XLPE cable,accessories, as per specification.

2500A LT BD — "B. CABLES AND BUSDUCTS1. Phase Segregated LT Busduct- 1.1. 415V, 50Hz, 2500A, 50kA (1sec) segregated phase, indoor busduct with aluminium busbars, 3 mm thick aluminium IP 55 Indoor / IP65 Outdoor enclosure with all accessories comprising of transformer and switchgear lead-in sections, straight section, matching sections, horizontal/ vertical bends, phase cross-overs, space heaters etc connecting transformer and PCC. Scope shall include the transformer and switchgear end terminations with laminated Copper flexibles, 1 no phase crossover, 2 horizontal/vertical corner sections and length of 15 m.i) Standard length for 2500 A busduct straight runii) Horizontal/vertical cross sectioniii) Phase cross overiv) Non standard matching sectionv) Mandatory Spares for LV Busduct"

Bus Support Insulator — "B. CABLES AND BUSDUCTS1. Phase Segregated LT Busduct- 1.1.415V, 50Hz, 2500A, 50kA (1sec) segregated phase, indoor busduct with aluminium busbars, 3 mm thick aluminium IP 55 Indoor / IP65 Outdoor enclosure with all accessories comprising of transformer and switchgear lead-in sections, straight section, matching sections, horizontal/ vertical bends, phase cross-overs, space heaters etc connecting transformer and PCC. Scope shall include the transformer and switchgear end terminations with laminated Copper flexibles, 1 no phase crossover, 2 horizontal/vertical corner sections and length of 15 m.v) Mandatory Spares for LV Busducta) Bus Support Insulator"

Gaskets EPDM — "B. CABLES AND BUSDUCTS1. Phase Segregated LT Busduct- 1.1.415V, 50Hz, 2500A, 50kA (1sec) segregated phase, indoor busduct with aluminium busbars, 3 mm thick aluminium IP 55 Indoor / IP65 Outdoor enclosure with all accessories comprising of transformer and switchgear lead-in sections, straight section, matching sections, horizontal/ vertical bends, phase cross-overs, space heaters etc connecting transformer and PCC. Scope shall include the transformer and switchgear end terminations with laminated Copper flexibles, 1 no phase crossover, 2 horizontal/vertical corner sections and length of 15 m.v) Mandatory Spares for LV Busductb) Gaskets (EPDM): 1 set for cover and 1 set for flange (1 SET = 10 meter)"

Laminated Cu flexible — "B. CABLES AND BUSDUCTS1. Phase Segregated LT Busduct- 1.1.415V, 50Hz, 2500A, 50kA (1sec) segregated phase, indoor busduct with aluminium busbars, 3 mm thick aluminium IP 55 Indoor / IP65 Outdoor enclosure with all accessories comprising of transformer and switchgear lead-in sections, straight section, matching sections, horizontal/ vertical bends, phase cross-overs, space heaters etc connecting transformer and PCC. Scope shall include the transformer and switchgear end terminations with laminated Copper flexibles, 1 no phase crossover, 2 horizontal/vertical corner sections and length of 15 m.v) Mandatory Spares for LV Busductc) Laminated Copper flexible"

2000A LT BD — "B. CABLES AND BUSDUCTS1.2 415V, 50Hz, 2000A, 50kA (1sec) segregated phase, indoor busduct with aluminium busbars, 3 mm thick aluminium IP 55 Indoor / IP65 Outdoor enclosure with all accessories comprising of transformer and switchgear lead-in sections, straight section, matching sections, horizontal/ vertical bends, phase cross-overs, space heaters etc connecting transformer and PCC. Scope shall include the transformer and switchgear end terminations with laminated Copper flexibles, 1 no phase crossover, 2 horizontal/vertical corner sections and length of 15 m.i) Standard length for 2000 A busduct straight runii) Horizontal/vertical cross sectioniii) Phase cross overiv) Non standard matching sectionv) Mandatory Spares for LV Busduct"

Support Insulator — "B. CABLES AND BUSDUCTS1.2 415V, 50Hz, 2000A, 50kA (1sec) segregated phase, indoor busduct with aluminium busbars, 3 mm thick aluminium IP 55 Indoor / IP65 Outdoor enclosure with all accessories comprising of transformer and switchgear lead-in sections, straight section, matching sections, horizontal/ vertical bends, phase cross-overs, space heaters etc connecting transformer and PCC. Scope shall include the transformer and switchgear end terminations with laminated Copper flexibles, 1 no phase crossover, 2 horizontal/vertical corner sections and length of 15 m.v) Mandatory Spares for LV Busducta) Support Insulator"

Gaskets — "B. CABLES AND BUSDUCTS1.2 415V, 50Hz, 2000A, 50kA (1sec) segregated phase, indoor busduct with aluminium busbars, 3 mm thick aluminium IP 55 Indoor / IP65 Outdoor enclosure with all accessories comprising of transformer and switchgear lead-in sections, straight section, matching sections, horizontal/ vertical bends, phase cross-overs, space heaters etc connecting transformer and PCC. Scope shall include the transformer and switchgear end terminations with laminated Copper flexibles, 1 no phase crossover, 2 horizontal/vertical corner sections and length of 15 m.v) Mandatory Spares for LV Busductb) Gaskets"

Lam Cu Flexible — "B. CABLES AND BUSDUCTS1.2 415V, 50Hz, 2000A, 50kA (1sec) segregated phase, indoor busduct with aluminium busbars, 3 mm thick aluminium IP 55 Indoor / IP65 Outdoor enclosure with all accessories comprising of transformer and switchgear lead-in sections, straight section, matching sections, horizontal/ vertical bends, phase cross-overs, space heaters etc connecting transformer and PCC. Scope shall include the transformer and switchgear end terminations with laminated Copper flexibles, 1 no phase crossover, 2 horizontal/vertical corner sections and length of 15 m.v) Mandatory Spares for LV Busductc) Laminated Copper Flexible"

AL 3Cx240 sqmm HT — "B. CABLES AND BUSDUCTS2. HT Power cables:2.1 Supplying & Laying of 11kV (UE) Grade Cable Non effectively earthed system,multi-core,with stranded & compacted aluminium conductors,extruded semi-conducting compound conductor screen,extruded XLPE insulation,Extruded semi-conducting compound with a layer of non magnetic metallic tape insulation screen,extruded PVC (Type ST-2) inner sheath, single round wire/flat strip galvanized steel armored,extruded PVC (Type-ST-2) outer sheathed,conforming to IS 7098-1985(Part II), IEC-502 in different elevation in Stockade, buried in cable trenches as per technical specification :i) AL, 3Cx240 sq.mm HT cable 11 kV UE"