Shifting, repair, maintenance and installation of one no. of old switchgears type VCB voltage grade 11Kv from kargali workshop to JRD PF-1 and repair and maintenance of VCB to make them in operation in respect of JRD siding PF-1 AKKOCP, BnK Area

Amount

Loading of Switchgear type VCB of 11KV/3.3KV from Kargali Workshop (Hydra/crane for loading shall be provided by the agency)

Transportation of switchgear from Kargali Workshop to JRD Siding /site (Truck/ vehicle to be provided by the agency)

Unloading of switchgear at JRD PF-1 / site as per instruction of Engineer In-Charge

Replacement of tripping coil 110V of standard make

Replacement of closing coil 110V of standard make

Replacement of electronic/ numerical type Earth Leakage relay operating at 110V

Supply of push button of suitable size (red/ green)

Replacement of moving contact of suitable type as per sample

Replacement of fixed contact of suitable type as per sample

Replacement of Ampere meter of suitable range as per sample size

Replacement of Voltmeter of suitable range as per sample size

Replacement of Potential Transformer (PT) of suitable type of minimum 100VA 3.3KV/110V (outdoor type)

Replacement of suitable type Current Transformer (CT) of ratio 100/50/5-5/1(outdoor type)

Supply of ferrules, lugs and other accessories for connections

Replacement of Bushing insulator of 3.3KV/11KV grade

Complete fixing of operating mechanism including washer, pin and other accessories

Labour charges including overhauling, fitting and fixing charges @10% of estimated price of Sl. No. 4 to 18

Complete overhauling, cleaning and painting of switchgear with standard paint

Erection of steel tubular or rail pole strut in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling and secured with holding clamps, bolts, nuts, etc. as required.

Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) pole top bracket/ cross arm for single 11 KV over head line conductor complete with 50 mm X 6mm flat iron clamp, bolts, nuts and washers including drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint as required.

Erection of pole top/ straight two wire/ V shape two wire, angle iron/ channel iron, cross arm on steel tubular/ rail/ PCC pole for 11/22/33 KV as required.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

Supplying and filling in plinth with Jamuna sand under floors, including watering, ramming, consolidating and dressing complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)

12 mm cement plaster finished with a floating coat of neat cement of mix : 1:4 (1 cement: 4 fine sand)

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 40 mm thick with 20 mm nominal size stone aggregate

Supply of Gang Operating Switch 11KV grade 400Amp with 3 insulator

Installation of GOAB

Supply and Providing of terminal end connector

Supply and Installation of limit switch 110 volt operating

Connection and charging of the GOAB to the line

Total impact of GST for the purpose of CTC

Vedant Enterprises

RAJA ELECTRICAL WORKS

M/s Kiran Electrical works