Day to Day Electrical work of HT and LT OH line including Dismantling, Erection, shifting, installation, Extension and other works at NMOC II (A) Mine for a period of one year

Amount

Erecting rolled steel joist pole (200mmx100 mm)(25.9kg/m)with provided base plate in provided foundation as per specification no OH-PL/RJS (item no. 8-1-10)

Supplying and erecting G.I. stay set for poles, including loop insulators at inaccessible height complete with anchor plate 300 x 300 x 6 mm., straining screws, G.I. 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 (item no 8-7-2)

Making cement concrete foundation including excavation (60 x 60 x 150) cm deep in 1:3:6 cement concrete 20 x 25 mm stone metal,(45 x45 x45)cm/45 cm dia. x 45cm height plinth duly plastered, with necessary curing and finishing complete. (above 6 m to 9 m poles) (item no 16-3-3)

Making cement concrete foundation including excavation (60 x 60) cm x deep 1/6 of pole length in 1:3:6 cement concrete 20x25 mm stone metal, 45cmx45cmx45cm /45 cm dia. x 45 cm. height plinth duly plastered, with necessary curing and finishing complete. (for above 9 m poles) (item no 16-3-4)

Making cement concrete foundation including excavation (60 x 60) cm x deep 1/6 of pole length in 1 deep in 1:3:6 cement concrete, (20 to 25) mm stone metal with necessary curing and finishing complete.(for stay). (item no 16-3-6)

Supplying & erecting MS pole bracket for guarding/LT OH Line, fabricated from angle iron 50x50x6 mm and 1100mm long for necessary nos. of provided insulators and erecting on pole with 50x6mm clamp complete as per specification no. OH -PL/BKT (SOR item 8-4-2)

Erecting ACSR conductor of size 6/1-4.72mm (Mink) complete(394kg/km) as per specifications no OH CON/ACSR (item no 8-5-9)

Erecting ACSR conductor of size 6/1-4.72mm (DOG) complete(394kg/km) as per specifications no OH CON/ACSR (item no 8-5-11)

Supplying and erecting pin type LT medium insulator 100 mm x 62 mm dia. with suitable G.I. spindle, nut, bolts complete erected (item no 8-6-1)

Supplying and erecting porcelain shackle type LT medium insulator 75x115 mm dia. with G.I. (Shackle) strips , nuts and bolts, complete. (item no 8-6-2)

Supplying and erecting porcelain type disc insulator 11 KV grade complete as per specification no OH-INS/DISC (item no 8-6-6)

Supplying and erecting PIN type insulator 100mmX60 mm dia with suitable GI spindle, nut bolts suitable for 11 KV line as per specifications OH-INS/PIN (item no 8-6-9)

Supplying 100 x 50 mm with 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.(item no 8-4-11)

Supply and erecting V cross arm for 11 KV OH line with arrangement to fix insulators at 45 mm from the end and horizontal distance between insulators 1220 mm bend at angle of 60 degree keeping base 305 mm and the total vertical height of V cross arm as 460 mm and fixed on pole with MS clamp of 80mm X10mm nut bolts washers complete as per specifications No O/H-PL/VCA (item no 8.4.12)

Supplying and erecting 75x40mm and 4.4 mm thick and 7.3mm thick flange channel (top pin) with clamp of suitable length for erection of top pin insulator complete fas per specification no OH-PL/VCA (item no 8-4-14)

Erecting hard drawn GI wire 8 SWG complete erected for overhead line with proper size of GI wire for winding with jumpering etc (item 8-5-12) (SOR 2017-18)

Supply and erecting guarding loop using GI wire 8 SWG for horizontal overhead line complete erected with suitable binding wire and 50 mm section on each side complete (item no 8-7-8)

Providing pipe type earthing with 40mm. dia. G.l. pipe or 20 mm dia. G.l. Rod complete with all materials as per specification no. EA- EP (item no 9-1-4)

Dismantling the existing 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. (item no 8-8-2)

Dismantling the existing overhead line including G.I. wires of all sizes without damaging & making the coils in suitable sizes. (item no 8-8-3)

Dismantling the existing overhead line including G.I. wires of all sizes without damaging & making the coils in suitable sizes. (item no 8-8-3)

Total impact of GST for the purpose of CTC

SHANKAR TOTAWAR