ELECTRICAL WORK

Amount

Sorting and Stacking of following structure. (A) AXM

Erection of various type main and auxilary structure after sorting using nuts bolts and washer (AXM, BTI, BBL, ALP and BCT etc) AXM

Erection of following equipment, as per instruction manual of various equipments and Tech. specification including shifting of material/equipment from store to erection site by crane including all other associated works to complete the job satisfactorily :145 KV Circuit Breaker

145 KV bus isolator/line isolator/tandem isolator

145 KV Current transformer/Potential transformer

120 KV Lightning Arrestor with surge counter

145 KV Post Insulators

145KV CT/PT junction box

145KV Numerical line distance protection panel

132 KV Double feeder control panel

Stringing of 132 KV three phase main and Jack Bus bar of ACSR Zebra conductor 48 mtr long. The work involve fitting of tension clamp, hoisting of 70 KN disc/tension fitting/PG Clamps, cutting of conductor fo bus -bar . all other associated work to complete the work satisfactorily as per technical specification.

Making U jumpers with supporting string for 132 KV system.

Interconnection of all equipments of bay specified conductor of various 132 KV equipments with main/jack transfer bus bar of ACSR moose/zebra/panther conductor. the work including cutting, bending conductor and Jumpering, clamping along with all other associated work.

Earthing of various equipments 132 KV yard viz CB, CT, CVT, PT, Isolators, Panels, etc. with earthmat laid below 700 mm ground level by M.S. Flat of various sizes as per specification given by Engineer incharge.work, straightening bending, cutting, welding and drilling holes including painting of MS Flat with one coat of red oxide and two coat of MS Bus green paint for proper completion of work. (A) Earthing as above by MS Flat of size 75×10 mm

(B)Earthing as above by MS Flat of size 50×6 mm

Making Delta earthing of LA of new bay consisting of fabrication of 03 Nos. 3100mm. Long electrodes after making conical shape 100MM its piercing inside ground below 600 mm ground level and connecting all four electrodes with 75×10 mm M.S. Flat including strengthening, welding, painting of joints with Black Japan Paint as per specification given by Engineer Incharge. (M.S. Round and flat provided by the Deptt. Free of cost).

Leveling of excavated earth at various place newly constructed 132 KV yard.

Laying of following sizes of control cable in the cable trench from control Relay Panel to various equipments, marshalling boxes/Junction Boxes etc. in switchyard as per cable schedule, including carriage of cable drums form store to site and shifting back to store and all other associated works to complete the job satisfactorily as per tech. specification including making necessary holes on glands plates or Box wherever required fixing of cable glands (cable gland shall be provided by the department) (A) 2×2.5 Sq. mm

(B) 4×2.5 Sq. mm

(C) 6×2.5 Sq. mm

Termination of control cable per core per end

Making cable/ wire shedule for Interconnection & laying of cable accoding required size & core.

Interconnection of cable with providing & fixing of 2.5mm cable farrules as per shedule.

Providing & fixing of name plate made of 02 mm thick aluminium sheet with covering of 3M HIP/MDG retro reflective sheeting of size 300mmx150mm. Plate to be fixed with the help of nut & bolts of already installed equipments structure as per sample. after opening of old and rusted and damaged phase plate.

Providing & fixing of phase plate equipment (R,Y,B phase ) made of 02 mm thick aluminium sheet of size 5" dia covering of 3M HIP/MDG retro reflective sheeting of size 300mmx150mm. Plate to be fixed with the help of nut & bolts after opening of old and rusted and damaged phase plate.

(SUPPLY) Supply of Bolted type single tension fitting for ACSR Zebra conductor without turn buckle for 132 KV main bus suitable for each disc string 10 nos. disc insulator with hardware fitting D shackle D socket, Ball hook York Plate, D clamp Tension clamp etc as per technical specification and sample.

Supply of bolted type single tension fitting for ACSR panther conductor with turn buckle for 132 KV Bus suitable for each disc string 10 Nos. disc insulator with hardware fitting D schackle D socket, Ball hook Yoke plate, D clamp Tension clamp etc as per techncial specification and sample.

Supply of five Bolted type gun fitting made of alluminium alloy LM-6 single zebra conductor for jack bus per technical specification and sample.

Supply of five Bolted type gun fitting made of alluminium alloy LM-6 single panther conductor for jack bus per technical specification and sample.

"U" type two bolted type Suspension fitting suitable for single panther conductor with clamp. Made of alluminium alloy LM-6 coplete with socket eye, ball link, anchor shackle and galvanized double nut, spring and plain suitable for zebra conductor as per technical specification and sample.

Four Bolted type PG Clamp made of aluminium alloy LM-6, suitable for moose to Panther conductor complete with hot dip galvanized nuts, bolts spring & plain washers as per technical specification and sample.

Four Bolted type Parallel Groove Clamp made of aluminium alloy LM-6, suitable for ACSR panther to Zebra conductor complete with hot dip galvanized nuts, bolts spring & plain washers as per technical specification and sample.

Bus post clamp for single zebra conductor made of alu. Alloy LM-6.

Supply of hot dip galvanised perforated cable tray made of 18 SWG GI sheet having width 75mm as per standard technical specification.

Supply of hot dip galvanised perforated cable tray made of 18 SWG GI sheet having width 150mm as per standard technical specification.

Flexible Copper Bond made of copper rope of size 37/7/0.457 having length 550 mm long complete with both side lugs as per technical specification.

Supply of 132 KV isolator clamp for single panther conductor made of allu, alloy LM-6 as per sample.

Supply of 132 KV cricuit breaker clamp for panther conductor made of allu. Alloy LM-6 as per sample

Supply of 132 KV CT & PT clamps for single zebra conductor made of allu. Alloy LM-6 as per sample.

KARAN SINGH

RAHUL ELECTRIC ENGGINEERING WORKS