SPECIAL REPAIR REPLACEMENT OF OLD 02, 04 POLE STRUCTURES TO VCBS AT MD ACCN AT ARMY AREA UNDER GE AVADI

Earthwork excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out in soft / loose soil for laying cables / pipes / erection of poles etc complete all as specified

Removing excavated material (soil) to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified

Returning filling in soil including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified

M&L for fine seived excavated dry soil laid to the required width of trench at bottom and top of cable as cushioning to cable complete all as specified. Note :- Thickness shall be measured after punning

Supply and laying reinforced precast concrete cable cover, class HV, type 1, flat of size 300 mm x 180 mm x 40 mm complete all as specified

Supply and laying HT UG XLPE insulated with multistranded aluminium conductor armoured with galvanised steel wire / taps 11000 volts grade cable of size 3 core, 95 Sqmm conforming to IS laid in trenches/poles/wall etc complete all as specified and as directed.

S & F outdoor termination heat shrink type joint for 11 KV (Earthed) grade underground HT XLPE / armoured heavy duty cable with aluminium conductor of size 3 core, 95 Sqmm including jointing materials and accessories including labour complete as specified and as directed.

S & F straight through cold shrink type joint for 11 KV(Earthed) grade underground .HT XLPE / armoured heavy duty cable with aluminium conductor of size 3 core, 95 Sqmm including jointing materials and accessories including labour complete as specified and as directed.

Supply, Install, testing and commissioning of RMU panel Outdoor type (01 No Incoming LBS & 02 Nos out going VCB)11KV, 630A, 26.3kA load break switch -01 No, 11KV 1250A 26.3kA drawout type Vaccum Circuit breaker with 230AC Motor & 110V dc closing/ opening shunt, aux contact- 6NO + 6NC - 02 Nos Ring Main unit Motorised operated RMU with PT Chamber, Auxillary transformer, battery & battery charger complete all as specified and directe with following accessories:- Make :ABB/ Schneider/ Siemns (a) Potential Transformer Fixed type of Epoxy resin cast 3PH of Ratio 11KV//110V Core 15VA CL0.2 accy - 2 Nos (b) Current Transformer Epoxy resin cast, Ratio 100-50/5-5A, Core1: 0.2S/5VA per phase for Metering, Core2: 5P20/15VA for protection - 06 Nos (c) Relays: 3-OC, 1- EF relay - 2 Nos, Master tripping Relay -02 Nos (d) Meters- Ammeter with selector switch -02 Nos, Voltmeter with selector switch -02 Nos, Provision of TOD Meter -02 Nos, (e) Indications/ Switches/ Annunciator: R/Y/B/ ON/ OFF/ TRIP/ Trip ckt healthy/ Spring Charged Indication Lamp - 14Nos, TNC Switch - 02 Nos, Space heater/ Illumination lamp- 03 Nos, Test Terminal block - 02 Nos

(f) Copper Bus bars 50x10mm mounted on epoxy resin cast insulators - 03 Nos, Door switch actuated CFL for panel illumination- 03 Nos, LV control fuses/ Power & control terminals as required- 03 Nos (g) Tripping Coil for tripping the circuit breaker in fault condition, Local 'PUSH TO TRIP' mechanism for emergency trip, Right Angle boots (Non touch proof type) (h) The combined unit shall consist of standard mechanical interlocks to avoid unsafe operation, Mimic diagram on front panel, complete with status indicators (ON-OFF-EARTH), provision for padlocking for Open, Close, Earth position in correct sequence,The earth bus bar shall boot of copper flat and provided inside the cable chamber throughout the switch gear including necessary PCC foundation as recommended by OEM, Cable doors shall be Arc proof and interlocked with respective switches, door with locking arrangement to prevent unauthorized access complete all as specified and directed.