33 KV Sub-Station at Giddi Washery, Argada AREA, CCL

a.) Detailed survey of the area, within the battery limits & submission of reports (Complete work as per Tender document) b.) Sub soil exploration, field and laboratory testing of samples & submission of reports (Complete work as per Tender document)

a). Preparation and submission of system engineering drawings as per system requirements b). GA & detail engineering designs and drawings of all civil and structurals included in the system and scope of works (Complete details of the system) c). G.A. & detailed engineering designs and drawings including working and maintenance manuals of (Complete details of the system) : i) all individual equipment ( Electricals) ii) Fire-Fighting System iii) Earthing system & Lightening protection system iv) Cabling System v) Illumination system & Elerical Wiring Drawing of sub-station building vi) Single Line Diagram & GA Drawing of the switchyard vii)Any other system/unit to match the scope of work & requirement d).Documentation as per tender specification, complete as per scope of works

a). Earthwork in cutting in all types of soil and rock b). Earthwork in filling c). Sand filling d). PCC (M 10 and higer grade) at all levels as per system requirement e). RCC (excluding reinforcement) at all levels as per system requirement (M20 grade and above) including shuttering f). Supply, bending, binding and placing of Tor steel in position g).Supply, fabrication and erection of structural steel at all levels as per system requirement h). Masonary work i) Pavement in substation

a). Site development:- earthwork in excavation and banking for leveling & dressing b). Gravel packing in switchyard and Dyke Wall c). Roads and Culverts and Pathways d). Water supply for industrial, drinking and firefighting puposes including provision for deep bore-well, pipelines, ground water tank, pumps & pump houses with all electricals. e). Dwarf Wall f). Substation building g).Security Post h). Drainage arrangement i). Boundary wall, Fencing with barbed wire & gates J). Cable Trenches k). Lighting and Lightning Towers l). RCC foundation for Steel Structures and transformers in outer switchyard m). PCC foundation for Lightening and lighting towers n).Retaining wall o).Chain linked fencing & Gate p). Anti-weed treatment q). Soak Pit for transformers r). Sewerage s). DG Shed t). Parking Shed u). Pump House v). Miscellaneous

33 kV side comprising of following: i. Isolators, 33 kV (nominal),3 poles, pole mounted, 1250A,25kA, arrangement for interlocking with 33 kV Vacuum Circuit breaker- 10 Set ii. Isolators, 33 kV (nominal), 3 poles, pole mounted, 1250A,25kA, arrangement for interlocking with 33 kV Vacuum Circuit breaker with Earthing switch -08 Set. iii. Isolators, 33 kV (nominal), 3 poles, pole mounted, 1250A,25kA, with D.O. Fuses. -06 Set. iv. Lightning Arrestors, station class, 30 kV,10 kA, suitable for 33kV, solidly earthed (each set consists of 3 nos.) with counters/surge monitors -14 Set. v. Current transformers,33 kV out door type, accuracy class-1.0, suitable for installation on structures for metering and protection with required CT ratio - 11 Set vi. Potential transformers, 33 kV /110V, outdoor type, oil immersed, burden 100 VA,33/√ 3 kV/ 110/ √ 3 V for metering and protection each for three phase system suitable for installation on structures for metering and protection - 4 Set. vii. Vacuum Circuit Breaker, 33kV,1250A, outdoor type, 25 kA with remote control panel having IDMTL relay for O/L and E/F protection, ammeter,energymeter as per specification-11 Nos. viii. Transformer, outdoor type, 16 MVA, 3 Phase, 50 Hz, Primary Voltage: 33000 V Secondary Voltage: 11000 V, Connection: DYn11-2 Nos. ix.Transformer, outdoor type, 7.5 MVA, 3 Phase, 50 Hz, Primary Voltage: 33000 V Secondary Voltage: 3300 V, Connection: DYn11-2 Nos. x. 33 kV/0.230 kV(L-L), 100 kVA, Outdoor, lighting transformer ,50 Hz, DY11- 1No. xi. 33 kV/0.415 kV, 160 kVA, outdoor, station transformer (Cu)-1 No.