Annual Rate Contract for Maintenance of 33 KV Bhola Kankerkhera Line

Amount

Patrolling of entire stretch of 33 KV Bhola-Kankerkhera Line (length approx.- 13 Km ).

Trimming of tree branches and cutting of bushes etc. along 33 KV line

Excavation of hole / pit & placing stone pad Erection of single Pole STP- 13/11 Mtr. Concreting with 1:4:8 Cement Concrete and back filling and fitting of V-type Cross Arm, F-bracket, all Clamps, Nut & Bolts, Pin Insulators with Pins, Wrapping of Barbed Wire (2 Kg.), painting with surface preparation etc., Cartage, Civil Material, Labour and T&P required for completion of work.

Laying, lifting, stringing and proper sagging of loose 33 KV line spans on ACSR raccoon conductor with opening the binding from the insulators and rebinding after proper sagging.

Straightening of 11 mtrs.long tilted supports of 33 KV line as follow (3 Nos.):-

(i) Binding of gye ropes in the pole in four sides of 11 mtr. Long pole and manually holding in straight position to avoid its falling

(ii) Digging of pit of proper size approx.2.00 mtr. Deep and 2.00 mtr. Wide and making the pole straight and resetting of 33 KV X-arms in proper alignment with opening/refixing the same. Filling the pit and properly ramming of earth into pit

Grouting of supports in ratio 1:4:8 in cement, coarse sand & stone ballast in a block of 0.45 X 0.45 X 1.00 mtr. All civil material, shuttering, labour, cartage etc. shall be arranged by the contractor at his own cost.

Making cylindrical plinths of the support around the pole in ratio 1:4:8 in cement, sand & stone ballast and plastering in ratio 1:4 of 12 mm thick complete in all respect.

Replacement of damaged, old, flash overed 33 KV Pin insulators & Pin with nuts at various places along the line.

Replacement of damaged 'F'-bracket at various places along the line.

Replacement of damaged 'E'-bracket at various places along the line.

Replacement of damaged Disc fitting at various places along the line.

Fixing of PG clamps for ACSR raccoon conductor at different places along the line.

Mounting and fixing of MS angle iron cross bracing set at different places along the line on double and four ploes alongwith its accessories.

Mounting and fixing of MS angle iron guarding channel at different places along the line along with its accessories.

Gaurding on the telephone line, road, L.T. and H.T. Line crossing i.e. stringing of G.I. Wire 8 SWG, Labour and T&P required for completion of work.

Fixing of stay Rod and back filling with complete nozzling including fitting of stay clamps, stay wire and nut & bolts etc. Labour and T&P required for completion of work.

Making alignment of 33 KV tilted X-arms after opening the same with cutting of jammed, bolts/nuts, making in proper alignment and tightening the same with MS clamps, bolts & nuts etc. complete in all respect.

Laying with 1 no. G.S. Earth Wire 7/16 SWG along 33 KV line along with all its accessories.

Dismantling of old 33 KV line cross arms, top channel, clamps etc. from old STP after cutting of the jammed and rusted bolts, nuts etc. and safely dismounting the same.

Uprooting of old STP supports after digging of pits in all type of soil and safely grounding.

Dragging of old STP from agricultural fields/ site to road side for loading on vehicle.

Cartage of old STP, Top channel, Cross arm etc. from work site to Store at Bhola Power House.

Replacement of damaged old disc insulators B&S type 7000 Kg. at various places along the line

Excavation of hole / pit & placing stone pad Erection of double Pole STP-SP-72 13 Mtr. Concreting with 1:4:8 Cement Concrete and back filling and fitting of top channel, Wrapping of Barbed Wire (4 Kg.), painting with surface preparation etc., Cartage, Civil Material, Labour and T&P required for completion of work.

Supply and fixing new number plate with clamp of poles for 33 KV lines

Supply and fixing new danger board with clamp of poles for 33 KV lines

Printing & painting of old number plate of 33 KV line

Printing & painting of old danger board of 33 KV line

Earthing of pole by MS earthing rod 20x2500 mm. and 6 SWG earthing wire etc.

Supply & Replacement of 33 KV Lightening Arrester

ADS POWER SOLUTIONS (BID ID -5174243)