Replacement of Transformers HT Panel APFC Panel and

Supply, installation, Testing & Commissioning of Indoor type 315 KVA,11KV/433 volts, 3 phase , 50 Hz, step down , Delta / Star connected (DYN 11), neutral earthed, copper wound ,core type, double wound, oil immersed, ONAN cooled transformer having Level 2 Energy Efficiency with OCTC (+) 10% to (-)10% in step of 2.5% of variation of HV, with automatic Remote tape changer panel including oil conservator, explosion vent, 150 mm dial type themometer for indicating winding & oil temparature fitted in a marshalling box, silica-gel breather ,Buchholz relay complete with weather proof cable end termination box on HT side suitable for termination of armoured cable of size upto 3 core 300 sq.mm on HT side, end termination box on LT side terminations of armoured cables, standard fitting and accessories , including first fill of filtered dehydrated oil etc. complete as per IS 1180, Level-2 as per specification enclosed. Job Includes, Dismantling 02 nos. of existing 250kVA transformers including all necessary connection and moving them within a distance of 100m safely and handing them over to AAI dismantle store as per directions of EIC.

SITC of indoor type IP 42 floor mounted metal clad, 11 KV Switch Board VCB panel with 03 Nos VCBs totally enclosed and fully interlocked, truck mounting, horizontal draw out, horizontal isolation type vacuum breaker as per IS IEC 62271 100 2007 and 200 2003, IS 3427 as amended up to date for breakers and panels, having capacities as mentioned below, free standing extensible on both sides, single break, trip free mechanism, motorised charged and auto-manually closing breaker suitable for use on 11 KV, 3 Phase, 50Hz A.C. supply with rack in and rack out mechanism, air insulated but encapsulated copper bus bars capacity meeting fault level current, DC power pack, breaker featured with mechanical ON- OFF indicator with hand trip device, Breaker control TNC switch and all accessories such as shunt trip coil, and auxiliary switch of 4NO and 4NC, motorised and manually operated spring assisted closing mechanism, emergency trip push button, interconnections, space heaters, earthing, etc. and equipped with following switchgears and accessories, connections suitable for cable upto 3C x 120 sqmm XLPE cable of 11 KV grade (cable entry from bottom). Job Includes, Dismantling 01 nos. of existing OCB panel including all necessary connection and moving them within a distance of 100m safely and handing them over to AAI dismantle store as per directions of EIC. (Detailed description of the item is available in attached Technical Specification Document).

Supply, Installation, Testing and Commissioning of Indoor type thyristor switched APFC panel consist of thyristors , intelligent APFC controller, thyristor firing modules, self current limiting coil complete with controls for automatic power factor improvement of capacitor bank(s) suitable for operation on 415 V, 50 Hz, AC supply and to maintain the p.f. upto 0.99 lagging. Fabricated from CRCA sheet steel enclosure made out of 2mm thick sheet steel with a common earth bus bar at rear with 2 Nos earth Studs at both the ends, cable alleys, 3 mm thick cable gland plates, extended rotary handles, 6 inch Fans with Filter for cooling etc. complete as required as per specification enclosed with the following equiped switch gears and accessories. Job Includes, Dismantling 01 nos. of existing APFC panel including all necessary connection and moving them within a distance of 100m safely and handing them over to AAI dismantle store as per directions of EIC. (Detailed description of the item is available in attached Technical Specification Document).

Supply of 3Cx95 sq.mm. size of XLPE insulated PVC sheathed aluminium conductor armoured power cable of 11kV grade earthed conforming to IS 7098 (Part-II) amended up to date.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. (a) Up to 120 sq.mm.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing masonry open duct as required. (a) Up to 120 sq.mm.

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) 3 x 95 sq.mm.

supplying and making outdoor 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) 3 x 95 sq.mm.

Supplying and making straight through cable jointing with heat shrinkable jointing kit complete with all accessories including ferrules suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required (a) 3 x 95 sq.mm.

Supplying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete as required. a) 63 mm dia (OD - 63 mm & ID - 51 mm nominal )