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 BUSDUCTS 1. Phase Segregated LT Busduct- 1.1. 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 sectionsand length of 15 m. BUS duct to be connected from LT Panel to two existing transformers and one new transformer. The removal of existing bus ducts between the existing two transformers and existing LT Panel (2 assemblies) also to be in Vendor scope and same is deemed to be inclusive in Vendor quoted rates. i) Standard length for 2500 A busduct straight run ii) Horizontal/vertical cross section iii) Phase cross over iv) Non standard matching section v) Mandatory Spares for LV Busduct"

Bus Support Insulator — "B. CABLES AND BUSDUCTS 1. Phase Segregated LT Busduct- 1.1.415V, 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 sectionsand length of 15 m. BUS duct to be connected from LT Panel to two existing transformers and one new transformer. The removal of existing bus ducts between the existing two transformers and existing LT Panel (2 assemblies) also to be in Vendor scope and same is deemed to be inclusive in Vendor quoted rates. v) Mandatory Spares for LV Busduct a) Bus Support Insulator"

Gaskets EPDM — "B. CABLES AND BUSDUCTS 1. Phase Segregated LT Busduct- 1.1.415V, 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 sectionsand length of 15 m. BUS duct to be connected from LT Panel to two existing transformers and one new transformer. The removal of existing bus ducts between the existing two transformers and existing LT Panel (2 assemblies) also to be in Vendor scope and same is deemed to be inclusive in Vendor quoted rates. v) Mandatory Spares for LV Busduct b) Gaskets (EPDM): 1 set for cover and 1 set for flange (1 SET = 10 meter)"

Laminated Cu flexible — "B. CABLES AND BUSDUCTS 1. Phase Segregated LT Busduct- 1.1.415V, 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 sectionsand length of 15 m. BUS duct to be connected from LT Panel to two existing transformers and one new transformer. The removal of existing bus ducts between the existing two transformers and existing LT Panel (2 assemblies) also to be in Vendor scope and same is deemed to be inclusive in Vendor quoted rates. v) Mandatory Spares for LV Busduct c) Laminated Copper flexible"

2000A LT BD — "B. CABLES AND BUSDUCTS 1.2 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 sectionsand length of 15 m. BUS duct to be connected from LT Panel to two existing transformers and one new transformer. The removal of existing bus ducts between the existing two transformers and existing LT Panel (2 assemblies) also to be in Vendor scope and same is deemed to be inclusive in Vendor quoted rates. i) Standard length for 2000 A busduct straight run ii) Horizontal/vertical cross section iii) Phase cross over iv) Non standard matching section v) Mandatory Spares for LV Busduct"

Support Insulator — "B. CABLES AND BUSDUCTS 1.2 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 sectionsand length of 15 m. BUS duct to be connected from LT Panel to two existing transformers and one new transformer. The removal of existing bus ducts between the existing two transformers and existing LT Panel (2 assemblies) also to be in Vendor scope and same is deemed to be inclusive in Vendor quoted rates. v) Mandatory Spares for LV Busduct a) Support Insulator"

Gaskets — "B. CABLES AND BUSDUCTS 1.2 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 sectionsand length of 15 m. BUS duct to be connected from LT Panel to two existing transformers and one new transformer. The removal of existing bus ducts between the existing two transformers and existing LT Panel (2 assemblies) also to be in Vendor scope and same is deemed to be inclusive in Vendor quoted rates. v) Mandatory Spares for LV Busduct b) Gaskets"

Lam Cu Flexible — "B. CABLES AND BUSDUCTS 1.2 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 sectionsand length of 15 m. BUS duct to be connected from LT Panel to two existing transformers and one new transformer. The removal of existing bus ducts between the existing two transformers and existing LT Panel (2 assemblies) also to be in Vendor scope and same is deemed to be inclusive in Vendor quoted rates. v) Mandatory Spares for LV Busduct c) 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"