Augmentation of 33 kV outdoor switchyard and automation of 132/33 kV switchyard with operation and maintenance during defect liability period on Turnkey basis at Nandira Substation, Jagannath Area

(a) Detailed survey of the area within the battery limit & submission of reports (complete works as per Tender document) (b) Sub soil exploration, field and laboratory testing of samples and submission of reports (complete works as per Tender document)

Design Engineering cost: (a) Preparation of system engineering (Complete works for system as per system requirement) (b) G.A. & detailed engineering designs and drawings of all civil and structurals included in system & Scope of works (Complete works for system as per system requirement) (c) G.A. & detailed engineering designs and drawings including working and maintenance manuals of (Complete works for system as per system requirement) : (i) Modification of 132 kV switchyard (ii) Modification of 33 kV switchyard (iii) 33 kV power tapping arrangement (iv) 33 kV busbar (v) outdoor switchyard equipment (Electricals) (vi) Indoor switchgear equipment (vii) Illumination system (viii)Cables (ix) Earthing system (x) Lightning protection system (xi) Fire fighting system (xii) Pressurization system (xiii)SCADA system (d) Documentation as per tender specifications (Complete works for system as per system requirement)

Civil and structural work (Outdoor Switchyard and Substation building) i)Earthwork for all types of soil and rock a) Earthwork in cutting b) Earthwork in filling c) Sand filling ii) a) PCC at all levels as per system requirement b) RCC (excluding reinforcement) at all levels as per system requirement c) Supply, bending, binding and placing of TMT steel in position iii)Brick work with all finishing iv)Structural steel works at all levels as per requirement including double pole and four pole lattice structures v) Misc. items of works like flooring, painting, waterproofing, tiling, fixing doors,windows,shutters etc vi) 15 m high lattice 2 Pole structures/ 4 Pole structures

Developmental work and infra-structures a) Internal road (Bituminous) of 3.5 m wide and drains b) Levelling, dressing of vacant area gravel/ stone balast filling in Yard c) Borewell with pipe line arrangement for potable water and sanitary fittings d) Boundary wall & Fencing e) Parking Shed f) Bush cutting & cleating for overhead line

ELECTRICAL P&M EQUIPMENT AND ACCESSORIES

MODIFICATION OF EXISTING 132 KV OUTDOOR SWITCHYARD (As per clause no. 3.5.1) a) Single Isolator, 132 kV (nominal), 1250 A, 31.5 kA auto operated (motorized), off-load, double break, 3 poles, pole mounted, without earthing switch, arrangement for interlocking with SF6 Circuit breaker - 9 sets b) Double Isolator, 132 kV (nominal), 1250 A, 31.5 kA auto operated (motorized), off-load, double break, 3 poles, pole mounted, with earthing switch, arrangement for interlocking with SF6 Circuit breaker - 2 sets c) Double Isolator, 132 kV (nominal), 1250 A, 31.5 kA auto operated (motorized), off-load, double break, 3 poles, pole mounted, without earthing switch, arrangement for interlocking with SF6 Circuit breaker. - 3 sets d) 132 kV, 1600 A outdoor type SF6 circuit breaker in incomer-2- 1 set e) 132 kV indoor type remote control and relay panels including instrumentation for 132 kV SF6 circuit breakers with all types of protective relays (i.e. O/C, O/L, E/F, E/L, differential, distance protection relay) suitable for SCADA as per requirement.- 8 sets

MODIFICATION OF EXISTING 33 KV SWITCH YARD (As per clause no. 3.5.2) a) Single Isolator, 33 kV (nominal), 1600 A, 25 kA auto operated (motorized), off-load, double break, 3 poles, pole mounted, without earthing switch, arrangement for interlocking with Vacuum Circuit breaker-15 sets b) Single Isolator, 33 kV (nominal), 1250 A, 25 kA auto operated (motorized), off-load, double break, 3 poles, pole mounted, without earthing switch, arrangement for interlocking with Vacuum Circuit breaker.-19 set c) Double Isolator, 33 kV (nominal), 1250 A,25 kA auto operated (motorized), off-load, double break, 3 poles, pole mounted, with earthing switch, arrangement for interlocking with Vacuum Circuit breaker.-18 set d) Double Isolator, 33 kV (nominal), 1600 A, 25 kA auto operated (motorized), off-load, double break, 3 poles, pole mounted, without earthing switch, arrangement for interlocking with Vacuum Circuit breaker.-4 sets e) Vacuum Circuit Breaker, outdoor type, 33 kV, 1250 A, 25 kA, 1429 MVA, symmetrical breaking capacity.-8 sets f) 33 kV indoor type remote control and relay panels including instrumentation for 33kV Vacuum circuit breakers with all types of protective relays (i.e. O/C, O/L, E/F, E/L, differential, distance protection relay) and suitable for SCADA as per requirement.- 24 sets