WBPWD/EE/BED/10/e-IT of 2020_21

Amount

Sub-Station related work: Indoor Type Compact sub-station - 11KV, 1000 KVA, Cast Resin Dry Type with Off Load Tap Changer Transformer, suitable for outdoor plinth mounted type (Make- Schneider/L&T/Siemens) Enclosure: Outdoor type enclosure having modular construction of Galvanized Sheet Steel. The degree of protection for HT & LT switchgear compartment shall be IP-54 & degree of protection of transformer compartment of the enclosure shall be minimum IP-23/34. The enclosure exterior shall be painted with polyurethene paint / powder coated and tropicalized to Indian weather conditions. Each compartment will be provided with the door and pad locking arrangement. Interlocking between Breaker and Transformer Door. The Compartment illumination lamp with door-operated switch shall be provided for each compartment. Structure of the substation shall be able to withstand the gross weight of all equipment. It should be possible to transport the equipment along with transformer, RMU & LT Panel from one site to another. Type test certificate require at the time of supply. Transformer : 11KV/415V, 1000 KVA, DYn11 Copper Wounded Cast Resin Dry Type Transformer with Off load tap links of +5% to -5% @2.5% with WTI scanner. Class of Insulation: F, Temperature rise 90 deg. C. Transformer losses: No load loss 2.5 KW (IS Tol) & Full Load Loss 10.5 KW (IS Tol) and Impedance of 5%(Subject to IS Tol.) with WTI scanner (Make :- VOLTAMP/RAYCHEM/ABB) HT Switchgear : 11KV 630Amps 21KA for 3 Sec. SF6 insulated Non-Extensible Compact switchgear consisting of 2 way manual RMU (1 LBS + 1 CB). Cable connection arrangement from outgoing of HT section to primary of Transformer by 11kV (E) XLPE unarmoured 3C x 240 sq.mm. aluminum cable per phase along with heat shrink cable kit. Incoming supply cable, termination lits, lugs , glands etc required for cable termination. Relay will be similar to: CSPR-V5 without communication port. Protection CT shall be 60/1A 2.5VA 5P10. Manometer. LT Switchgear : 1600 Amps 415V 50KA 4P Fixed LT ACB as incomer -- 1No (Make - ABB/L&T/Siemens), 630A, 4P MCCB - 2 Nos (Make - ABB/L&T/Siemens),320A, 4P MCCB - 2 Nos (Make - ABB/L&T/Siemens), 125A, 4P MCCB - 1 No (Make - ABB/L&T/Siemens), R,Y,B, On, Off, Trip Indications - 3 Nos (Make - L&T/Siemens), Interconnection between HT switchgear & Transformer using XLPE cable & Interconnection between Transformer & LT switchgear using copper busbars. Internal earthing busbar connections by GI strips 50 x 6 sq mm, Lugs, Terminals, Heaters, CFL, Sleeve, insulator including hardware as required.

Installation, testing & commissioning of 11 KV/ 415 volt, 1000KVA distribution transformer including carriage to the substation building within a lead of 30 mtr by placing in position and fixing after leveling fitting all components, connecting, checking & set of all instrument according to requirement as instructed by client.

Charges for cutting M25 concrete area with tools, tackles, pneumatic vibrator for underground trench as per direction of EIC

L.W.C. must be quoted manually @1% on the total quoted value else the total quoted rate shall be treated incl. LWC as per rule. N.B. Rate should be quoted inclusive of GST.

JAYBEECO

M/S N. C. HORE

PHINIX

T.D.K. ENTERPRISE