CALIBRATION OF 33 11 KV HT SWITCH GEARS AT AF STN NAL

Amount

Servicing of 33 KV Potential Transformer, cleaning of core, checking of all connections replacement of oil and testing of all connections complete all as specified and directed. Note:- Oil shall be measured and paid for separately under respective item of this Schedule.

Servicing of 33 KV Current Transformer, cleaning of core, replacement of oil (40 Ltr), testing of all connection complete all as specified and directed.

Testing and calibration of 11KV VCBs / SF6 (Make : CG Lucy / Crompton / Megawin / Dension / ABB Ltd, Alstom) indoor type alongwith control panel and control wiring, protection system and relays system (relay to tripping coil auxiliary switch male and female housing cut outs etc) , checking the functional status of vacuum interrupter, insulation resistances, static contact resistance, Testing (IR value, Ratio test, Polarity test) and connection verification of 11 KV Current transformer (Set of three) by PRIMARY INJECTION KIT and Testing and calibration of relay (set of two Over current and one earth fault) by SECONDARY INJECTION KIT including all other functional tests of the VCB, C&R panel and CTs, PTs. complete all as specified and directed.

Testing and calibration of 11KV RMU of any Make, outdoor/indoor type alongwith control panel and control wiring, protection system and relays system (relay to tripping coil auxiliary switch male and female housing cut outs etc) , checking of quality of vacuum interrupter, insulation resistances, static contact resistance, Testing (IR value, Ratio test, Polarity test) and connection verification of 11 KV Current transformer (Set of three) by PRIMARY INJECTION KIT and Testing and calibration of relay (set of two Over current and one earth fault) by SECONDARY INJECTION KIT including all other functional tests of the VCB, C&R panel and CTs, PTs. complete all as specified and directed.

Testing and calibration of 11KV Air insulated indoor type switch gear panel voltage rating 12KV , Busbar rating 1250 Amp , 800 Amps short circuit capacity 26-3 KV , consisting of 2 incomer and 10 outgoing and one bus coupler 1250 VCB of Make : Schneider alongwith control panel and control wiring, protection system and relays system (relay to tripping coil auxiliary switch male and female housing cut outs etc) , checking of quality of vacuum interrupter, insulation resistances, static contact resistance, Testing (IR value, Ratio test, Polarity test) and connection verification of 11 KV Current transformer (Set of three) by PRIMARY INJECTION KIT and Testing and calibration of relay (set of two Over current and one earth fault) by SECONDARY INJECTION KIT including all other functional tests of the VCB, C&R panel and CTs, PTs. complete all as specified and directed.

Disconnecting the 33 KV Outdoor VCB unit and indoor control panel capacity upto 1600 Amp , overhauling of complete unit, opening the total mechanical and electrical mechanism of breaker checking its contact , baffles plates and other minor parts , cleaning the complete accessories carefully. minor repairs rectified , parts/accessories cleaned the tank , baffle plates , rotating contact ,upper supports ,lower support ,drive assemblies and all other spare parts , reassembled after repair/replacement of the spare parts including calibration, testing of existing IDMT relay as per load parameter complete all as specified and directed .

Supply, laying and testing XLPE insulated, armoured 11000 Volts grade aluminium conductor cable, Cross sectional area 95 sq mm, 3 core, as per IS-7098 (Part-II), in trenches or fixed to wall /passing through pipe / pole, as directed for the following cross sections. Note : (i) Excavation and earth work shall be measured and paid for separately. (ii) Concrete cover protection and sand cushioning shall be measured and paid for separately. (iii) Pipe including clamps shall also be measured and paid for separately.

S& F straight through joint HT 11000 volts grade heat shrinkable of cable Cross sectional area 95 Sqmm, 3 core complete all as specified and directed. Note : 1. Excavation & earthwork shall be measured and paid for separately

S&F End termination joint (Out door type) heat shrinkable HT 11000 volts grade of cable Cross sectional area 95 Sqmm, 3 core complete all as specified and directed.

S& F End termination joint (Indoor type) heat shrinkable HT 11000 volts grade of cable Cross sectional area 95 Sqmm, 3 core complete all as specified and directed.

Tracing out fault in 11KV underground cable any size with the help of fault tracing machine and rectifying the same with joints as specified and directed to restore the supply complete all as specified. Note: (i). Joint kit shall be measured and paid separately. (ii) Excavation Earth work, returning filling removal for an approx 3-4m , shall be included in the quoted rate. (iii) All other necessary arrangements suitable for locating the faults deemed to be included in the unit rate quoted. (iv) T&P required for the entire job shall be provided by the contractor at his own end and nothing extra shall be admissible on this account. (v) Cable required, if any shall be measured and paid for separately.

M/s Rohit Construction Co.

B5BUILDING SOLUTIONS