Annual Maintenance works of Overhead Electrical Distribution System at HWP Colony, Talcher

Amount

Tree trimming from power line ( All branches of a single tree will be considered as one unit ) at distance of 1.50 mtrs

Glanding & termination of following size cable (Supply of cable gland and lugs is in Dept's scope)

Upto 3.5C X 50 sq.mm

3.5C X 70 sq.mm to 3.5C X 150 sq.mm

Supply and Laying of 3mm x 25 mm GI earthing strip by supplying hot dip GI strip conforming to IS: 2629, IS: 4759.

Supply of hot dip GI earth strip of size 3mm X 25mm as per IS : 2629, IS: 4759.

Laying of 3 mm x 25 mm GI earthing strip ( only GI strip will be supplied by dept. or covered in other item)

Fixing of pin/ shackle insulator (Supply of insulator by dept.) against replacement of damaged one and re-fixing of conductors. Dismantling of old one and safe delivery to site store at no extra cost.

Dismantling of over head materials Pin / Sackle insulator

Dismantling of over head materials Iron cross arms

Dismantling of over head materials Over head conductors

Dismantling of over head materials Light fittings

Dismantling of over head materials Tubular /RCC pole up to 13 mtrs.

Supply and fixing of fabricated MS structure items as per requirement ( i.e. cross arm, lighting support etc). The structure should be painted with metal oxide primer and two coat of synthetic enamel paint.

Detection of circuit fault and temporary rectification in over head power distribution.

Connection / disconnection of jumper of LT over head line, after taking proper safety precaution and ACSR conductor jointing ( per three phase and ancillary wires etc. i.e. up to 6 wires ).

Supply and erection of 9mtr Tubular steel swaged Pole

Supply of Tubular steel swaged Pole of 9 mtrs length and of designation 410 SP-30 marked confirming to IS: 2713 part-II of size - 139.7+114.3+88.9 mm dia with 4.5 x 4.5 x 3.25 mm thick 5+2+2 mtr length respectively and total weight -140 kg with CI/MS base with base plate of 30 X 30 X 0.6 cm thick bottom welded and pole cap complete. The pole should be painted with one coat of red oxide and two coat of aluminium paint. Bottom of the pole remain inside ground should be painted with bitumen.

Erection of Pole: Cutting of earth of 0.6m length X 0.6mwidth X 1.5 m depth; Supply of sand,cement,stone and erection/concreting the pole in ratio 1:3:6 and 8 SWG GI wire loop length 4 mtr shall be buried with pole (0.5 mtr above + 1.5 mtr down) upto 2 mtr depth for earthing of pole . Two no. of 2 mtr 1" GI pipe by supplying to be grouted/ welded alongwith pole for incoming as well as outgoing looping cable. Fixing of pole box at height of 1 meter above surface of earth on the pole. Numbering of poles after installations. Shifting of all equipments from site stores to required site are in contractor's scope. Pole box will be supplied by dept.

Supply and installation of spares for 45W LED street light fittings of Make: Jilco

Supply of driver card suitable for above LED street light

Supply of 45WLED plate with lense suitable for above street light

Replacement of defective components of above LED street light

Extra cement concrete 1:2:4 ( 1 cement, 2 sand, 4 graded stone aggreegate of 20 mm nominal size.)

Providing Brick work with common burnt clay F .P .S. (non modular) bricks of class designation 7.5 in superstructure above plinth level in all shapes and sizes in Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing 12 mm cement plaster with a floating coat of neat cement of mix 1 : 4 (1 cement : 4 fine sand) at all levels.

Excavation of earth in all types of soil and back filling and ramming and leveling as per the direction of EIC for cable fault detection etc.

Stringing / restringing of over head line group of conductor ( viz 3 wires, 4 wires, 6 wires etc).

CABLE LAYING : Laying of PVC / XLPE armoured / un armoured 3 or 4 core at depth 900 mm with brick supporting at side & top. Work involves cutting of trench, Backfilling, ramming etc.

4sqmm to 70 sq mm PVC.

Above 70 sq mm to 400 sq mm

Repairing of service line to quarters (dismantle & re-stringing)

Jointing of following size cable by supplying required size straight through jointing kit as and when required.

Supply of 4 C X 35 sq.mm straight through heat sink tubular sleeve jointing kit as and when required.

Supply of 3.5 C X 150 sq.mm straight through heat sink tubular sleeve jointing kit as and when required.

Jointing of electrical Cable upto size 4 C X 70 sq.mm using straight through jointing kit. (Jointing kit will be supplied by dept.)

Jointing of electrical Cable 3.5 C X 120 sq.mm or 3.5C X150 sq.mm (Jointing kit will be supplied by dept.)

Supply and installation 45W LED street light fittings

Supply 45W LED street light fittings Input voltage : 140-270V AC, 50Hz, Minimum 4500 lumens, Rated System efficacy > 100 lm/W, Beam Angle : 120 deg. Batwing Pattern with integrated lens, Constant current LED driver having min.85% efficiency.IP:65. and as per detail technical specification attached.

Installation of light fitting on electrical pole of height of 7 meter as per direction of EIC(E).

Supply and fixing of 40W, E27 cap size bulb in light fittings.