Shifting of the pump at river side, pre monsoon, after monsoon and during the flood occurrence in river side Damodar river IWSS CCD and making shed at lower side of Damodar river and earthing arrangement for motor connection under G.M. unit, Dhori Ar

Amount

Dismantling & reinstallation (including all electrical connections) after shifting of pump, motor & starter with base plate from existing installed place to upper level due to rise in the water level.

Dismantling & reinstallation (including all electrical connections) after shifting of pumps, motors & starters with base plate from upper level to lower level due to fall in the water level.

Cutting of 4” & 5” G.I. pipe making connection including pipe after shifting of pump all stage.

Welding of pipe and fitting making connection of pipe in proper size.

Earthing with copper earth plate 600 mm x 600 mm x 3 mm 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.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost ofpurlins, rafters and trusses and including cutting to size and shape wherever required.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. All work upto plinth level : 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) for jamming of angle structure.

Supply of Tirpal for covering of motor.

Supply of rope.

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 x 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.

Total impact of GST for the purpose of CTC