Diversion of 11 KV MSEB Overhead line from Kolgaon to Ramnagar at Dhoptala Opencast Mine of Ballarpur Area

Amount

Erecting rolled steel joist (girder) pole 100 x 116 mm (23 kg/m) with provided base plate in provided foundation as per specification no. OH-PL/RSJ

Loading/unloading, transporting of MS girder, poles 10/12 mtrs long to the site by departmental truck, handling, shifting at that site to and from Area store

Supplying and erectingG.l. stay set for poles, including loop insulators at inaccessible height complete with anchor plate 300 x 300 x 6 mm., straining screws, G.l. stay wire 7/8 SWG, G.l. stay rod 20 mm x 1.8 m length and pole clamps duly erected in provided cement concrete foundation

Making cement concrete foundation including excavation for the poles 60 cm x 60 cm x deep 1/6 of pole length in 1:3:6 cement concrete (20 x 25 mm stone metal) and 45 cm x 45 cm x 45 cm /45 cm dia. x 45 cm. height plinth duly plastered and with necessary curing and finishing in an approved manner.(for above 9 m poles)

Providing Cement Concrete foundation including excavation for stay 60 cm x 60 cm x 1.5 m deep in 1:3:6 cement concrete (20x25mm stone metal) with necessary curing and finishing in an approved manner.

Supplying and erecting 100 x 50 x6 mmwith 4.7 mm thick web and 7.5 mm thick flange channel iron cross arm of suitable length for 2.4m wide DP structure and erecting on DP with 50x6 mm clamp as per approved method of construction and complete as per specification No.OH-PL/BKT

Supplying and erecting porcelain disc type insulator with necessary hardware suitable for 11kV line, complete as per specification no. OH-INS/DI

Supplying and erecting porcelain pin type insulator suitable for 11kV line, complete as per specification No. OH-INS/PN

Supplying and erecting porcelain post type insulator suitable for 11kVline, complete as per specification No. OH-INS/PST

Supplying and erecting vee cross arm with ISM channel of 75x40x6mm, for 11kV HTOH line with arrangement to fix insulator at 45mm from the end & horizontal distance between insulators 1220 mm bent at angle of 60 degree keeping base 305 mm and the total vertical height of V cross arm as 460mm, and fixed on pole with MS clamp of 80x10 mm, nut bolts,washers complete as per specification no. OH?PL/VCA

Supplying and erecting bracket for guarding of HT OH Line, made from channel iron 1600 mm in length and 75x40x6 mm. erected on pole complete as per specification no. OH-PL/VCA

Supplying and erecting pole clamp made from 50 x 6 mm MS flat for pole or pipe, post complete erected with 15 mm bolts and nuts, complete duly painted with one coat of red oxide and two coats of aluminium paint.

Erecting ACSR conductor of size - 6/1-4.72 mm (Dog) complete. (394 kg/km) as per specification no. OH-CON/ACSR

Supplying and erecting hard drawn G.I. wire 8 SWG complete erected for overhead line with proper size of G.I. wire for binding with jumpering etc.

Supplying and erecting guarding lace for H.T.O.H. line with 8 SWG G.I. wire to protect the H.T. overhead line with binding wire of 20 SWG G.I. wire for 75 mm section on either side

Supplying and Erecting approved make 11 kV outdoor type gang operated air break, triple pole switch 400 A capacity with 3 post pin type insulator per phase, mounted in horizontal or vertical position with necessary channels on provided cross arm with adequate length of "C" class G.l. pipe for operating handle erected on extended square shaft. The operating handle provided with lock and key at suitable height from ground level with necessary clamp.

Painting of steel tubular / rail / RSJ pole above 6.0 m length along with street light pole brackets, clamps etc by scrapping the existing paint complete. Specification no CW -PTG/PTP.

Supplying and erecting distribution class, 11 kV thyrite type lightning arrester with nut bolts, on provided MS channel as per specification no. OH-INS/LA

Supplying & erecting barbed wire two ply with 12 SWG ply and 12 SWG barb with a gap between two bars of 75 mm. firmly fixed on provided angle supports with necessary materials complete. (6.044 meters/kg.).

Dismantling the existing pole/angle pole above 6 m height with brackets, clamps, insulators, stay from the cement concrete foundation and making the site clear by refilling the pits with excavated materials and bringing it to the ground level.

Dismantling existing lightning arrestor set, insulator complete from DP structure in an approved manner.

Dismantling the existing overhead line including G.I. wires of all sizes without damaging & making the coils in suitable sizes.

Dismantling existing DO / AB switch set complete from D.P. set structure in an approved manner

Providing earthing with galvanized iron earth plate size 60 x 60 x 0.6 cm with funnel with a wire mesh for watering and brick masonry block C.l. cover complete with all materials, testing & recording the results as per specification no. EA-EP

Total impact of GST for the purpose of CTC

M S R MURTHY

Harshita Electricals