SITC Indoor Metering/switching Panel for the 315KVA Indoor USS at RTTC, TVM (Revised)(recall

Amount

Supply & Installation of 11KV, Indoor floor mounting type LBS & Metering Panel consisting the following components with provision for fixing the existing TOD Meter, seal off bushings, Space heater with thermostat, Aluminium/copper Busbars and support insulators, testing, commissioning etc. as required. (CTs and PT shall be of KSEB approved make only )

11KV, 26.2KA, 630A Load Break Switch with earth switch.- 1 No

Dry Type, Resin cast CTPT Unit with

i) CTs of ratio -/5 A, 10 VA burden with accuracy class 0.2 S suitable for system voltage of 11000 volts.- 3 Nos

ii)Fixed type 11000/110Volts 3 phase 3 limb potential transformer having rated burden of 25 VA/phase accuracy class 0.2 - 1 No

25A HT HRC Fuse- 3 Nos

230 V AC Shunt Trip Coil

Necessary armoured cabling for extending230 V supply to the HT Panel

( Note :- The work include necessary liaisoning with the KSEB for testing the components and installation, shifting of TOD meter to the new panel, wiring connections from CTs and PT using suitable size copper wires , isolating/ effecting supply with minimum shut down of plants and other works deemed necessary during execution of the above work. The agency has to pay the fees to the KSEB for CTs/PT testing and is included under the scope of this work.The CT ratio -primary will be decided by Enginer in charge after verifying the recorded maximum demand at the time of drawing approval )

Complete as above

Supply and Laying of of XLPE insulated 11 KV Grade earthed system 3 core 300 sqmm aluminium conductor cable confirming to latest IS Specifications amended upto date with IS in the existing masonry open duct/ in the existing RCC/ HUME/ METAL pipe as required.as required.

Supplying and making straight through cable jointing with heat shrinkable jointing kit omplete with all accessories including ferrules for the following size 3 core XLPE Aluminium conductor of 11 KV grade as required.

supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 kV grade as required.

(a) 300 sq. mm

Servicing the existing 1x315 KVA Indoor USS Substation consisting 315KVA Dry type, resin Cast Transformer, 630A LBS, 630A, 4 PMCCB, metering/ protection CTs/PT etc. checking the accessories, connections and terminals, checking functions of the protection system, including checking the cables and earth system, meggerring for insulation and earth values, submitting reports etc. as required.

Hari and Gopal