Painting and numbering of Poles and preventive maintenance of the 11 kV OH Line between D.D. Mines Substation to the Central Magazine, under Bokaro Colliery, BnK Area

Amount

Applying priming coat with ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works (for 90 lbs Rail Pole Surface Area of 1 Pole: 6.35 sqm; thus, for 120 nos. of poles (120 x 6.35 = 762 sqm) and for 132 no. of Channel Bracket (132 nos. x 0.3195 sqm = 42.174 sqm) Total 894 sqm)

Painting with aluminium paint of approved brand and manufacture to give an even shade (two or more coats on new work)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade: Two or more coats on new workover an under coat of suitable shade with ordinary paint of approved brand and manufacture (for numbering) (On one no. Pole: 0.25 sqm)

Lettering with black Japan paint of approved brand and manufacture

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 diameter and above including binding etc. as required (15 conductors x 50 m x 1 phase) = 750 m x 0.394 kg/m = 295.5 kg

Supplying & erection of 11 KV disc insulator for 11 KV over head lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required.

Dismantling of over head lines comprising of copper/ aluminium over head conductor, G.I. wire, cross arms, insulators etc. as required. ((50 m x 3 phase x 5 span x 0.394 kg = 295.5 kg)

Dismantling of over head lines comprising of copper/ aluminium over head conductor, G.I. wire, cross arms, insulators etc. as required. ((50 m x 1 phase x 15 conductors x 0.394 kg = 295.5 kg)

Total impact of GST for the purpose of CTC

SANTOSH KUMAR SINGH

NATIONAL ELECTRICAL WORKS