Proposal to avoid the Electrical interruption from HFL zone of Damodar river by re-organisation of complete electrical power system to a safe zone along with fabrication and erection of lighting tower for illumination of pumping station at IWSS

Amount

Supply of cement pole RCC, 8M long.

Erection of RCC/PCC pole of following length in brick ballast and ramming the foundation, finishing with 150 mm thick cement concrete (1:3:6) layer on top with including excavation and re-filling etc. as required.: Above 8.0 metre and upto 11.0 metre

Supply of 220 V grade 10 sqmm 2 core aluminium cable ISI mark

Supplying and erection of stay set complete (galvanised) with 19/20 mm dia x 1.8 metres long stay rod, anchor plate of size 45cm * 45cm * 7.5 mm, thimble, stay clamps, turn buckle (20mm * 60cm) 7/4.00 mm dia G.I. stay wire and strain wire and strain insulator etc in cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required.

Supplying and erection of galvanised 'D' iron clamps complete with shackle insulator (100 mm x 110 mm), G.I. bolts, nuts and washers, coach screw etc. as required 220V grade.

Supplying and erection of 100mm * 80mm pin insulator complete with G.I. spindle and nuts etc. as required 220V grade.

Erection of ACSR conductor of 7/3.35mm to 7/4.00 dianieter and above including binding etc. as required.

Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75cm deep) and re-filling etc. as required: 50mm dia.

Providing and fixing C.I. 50mm dia flanges.

Welding.

Plate 4" jamming with nut & bolts below tower.

Cutting

Earthing with copper earth plate 500mm * 600mm * 3 min thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Tested and certified by CPRI (Central power research institute), Govt. of India for impulse current of (8/20us) in 70KA with 5 positive and 5 negative impulse. No external power supply will be provided. Protection radius upto 52 mtr. in level-3 and 57 mtr. in level-4, minimum height 5 mtr. of lighting arrestor with elevation rod, ESE lighting arrester to be stainless steel location

Providing and fixing of 6 digit non resistible lighting event counter with IP67 enclosure to count lighting strike.

Erection & maintenance of free earthing with following materials: Earthing electrode (outer dia 76mm and inner dia 40mm and strip size 14 * 6.3 mtr. long or 17.2 sqmm dia 3 mtr. logn copper bonded rod).

Providing of back fill compound 2 bag per site (25 Kg. per bag).

Providing and fixing 70mm x 6mm G.I. strip as required (approx 20 mtr. for each site).

Installation charge for ESE type lighting arrestor advance lighting arrestor.

Plant Mix Method (Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401): For Grading-Il materials.

Providing and laying Pitching on slopes laid over prepared filter media Including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications: Stone/Boulder.

Total impact of GST for the purpose of CTC

M/S UPENDRA ELECTRICAL (BID ID -1134161)