Day to day annual maintenance/repairing of 11KV,3.3KV,550V and 440V ,220V OH line on as and when required basis for a period of one year for Central Saunda Colliery.

Amount

Erection of metallic pole of above 10.00 meter and upto 12.00 meter length in cement concrete 1:3:6 (1 Cement : 3 coarse sand: 6 grade stone aggregate 40 mm nominal size) foundation including excavation and refilling etc as required.

Erection of ACSR conductor of 7/2.11 mm to 7/3.00 mm diameter including binding etc as required. (3.3KM x 214Kg/Km =706.2Kg).

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 mm diameter and above including binding etc as required. (3.3KM x 394Kg/Km =1300Kg).

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

Supplying and erection of 100 mm x 80 mm pin insulator complete with G.I spindle and nuts etc. as required.

Erection of LV/MV shackle/pin insulator etc. as required

Supplying of channel iron 75 mm x 40 mm x 6 mm (7.14 Kg per meter) cross arm for 2 wire over head line complete with clamps, bolts, Nuts and washer etc including drilling of holes for insulator pins etc (as per drawing) and painting with primer and finished paint as required.

Supplying of channel iron 75 mm x 40 mm x 6 mm (7.14 Kg per meter) cross arm for 4 wire over head line complete with clamps, bolts, Nuts and washer etc including drilling of holes for insulator pins etc (as per drawing) and painting with primer and finished paint as required

Erection of angle iron/ channel iron cross arm on wood/RCC/PCC/steel tubular/rail pole etc. as required

Erection of disc/ pin insulator for 11 KV over head line as required.

SErection of pole top/ straight two wire/ V shape two wire, angle iron/ channel iron, cross arm on steel tubular/rail/PCC pole 11/22/33 KV as required

Supplying and erection of galvanised stay set for 11 KV over head line complete with 19/20 mm dia x 1.8 meters long stay rod, anchor plate of size 45 cm x 45 cm x 7.5 mm thick, thimble, stay clamps, turn buckle (20 mm x 600 mm), 7/4.00 mm dia G.I stay wire and 11KV strain insulator etc in cement concrete 1:3:6 (1 cement : 3 coars sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc as required.

Connecting / disconnecting 3.3Kv 3phase power cable from OH line as required

Disconnecting/ connecting 3.3 Kv 4 phase jumper wire between overhead line as required

Dismantling/installation of gang operating system (isolator) 400Amp for 3.3Kv OH lines as required.

Dismantling of over head lines comprising of copper/ aluminium over head conductor, G.I wire cross arms, insulators etc. as required. Rabbit conductor = 03Km x 214 Kg/Km = 642.00 Kg Dog conductor = 03Km x 394 Kg/Km = 1182.00 Kg Total = 1824.00Kg

Dismantling of pole/ street light standard/ strut embedded in cement, concrete foundation etc as required

Loading transporting and un loading of dismantled materials from site to store (truck will be provided by department).

Loading Unloading and transporting of poles (60 nos) (truck will be provided by department).

Total impact of GST for the purpose of CTC

Reliable systems (BID ID -1191224)

indra deep nayak (BID ID -1190322)