8525 E8 SPECIAL REPAIR TO LIGHTENING ARRESTER AT VARIOUS PLACES AT MOUNT ABU AND GURUSHIKHAR CAMPUS AT AF STN MOUNT ABU

Amount

M&L for chemical earthing with copper plate 90cm x 60cm x 5mm thick electrode buried directly in Ground (Earth pit not less than 3.60mtrs deep below ground level) with top edge of the plate not less than 2.85 mtrs below normal ground level connected to copper earth strip 50mm x 6mm (as earth lead) by means of bolts nuts check nuts and washers complete including 50mm bore GI tubing medium grade upto 7.5mtrs long, excavation in any type of strata, PCC 1: 3 : 6 type CI earthing chamer/pre cast RCC slab 50mm thick in cement concrete 1:2:4 type B1 reinforced with welded steel wire fabricated funnel wire, GI watering pipe of 20mm bore medium grade wire mesh complete all as specified and connected to electric panel board/test point shown in earth plate No 5 of SSR-I 1991 and all as specified and directed by Engineer-in-Charge. Note:- (i) The rate quoted by the tenderer shall be deemed to be included for provn of all Excavation and Earthwork in any typeof soil,PCC in pit,Precast RCC cover,funnel and watering pipe. (ii) The rates for earthing under item includes the cost of: Main earthing lead from earth electrode to test point upto 7.5 metre. (iii) It also Include Composite bentonite 40% ,Copper sulphate 10% , Gypsum 5% , Graphite 10% , Alum 5%, Zinc Sulphate 10%, Aluminium Sulphate 10%

M&L in replacement copper strips size 32x 6mm , fixed on wall/Roof with porcelain insulator properly with GI bolts and nut in and including site requirment brazing to copper strips all as specified and directed by Engineer-in-Charge.

M&L in replacement of Copper strips 20x3.15 mm with saddles and fixing screws etc. for roof and down conductors above ground all as specified and directed by Engineer-in-Charge.

M&L Air Termination , single pointed ,copper rod 12mm dia and 300mm long all as specified and directed by Engineer-in-Charge.

M&L for GI pipe, medium grade with all fittings and fixtures, 50mm dia for air termination mast on roof of building height 2m or above all as specified and directed by Engineer-in-Charge.

S&F for porcelain insulator suitable for copper strip of size 20 x 3.15 mm properly fixed on wall and roof all as specified and directed by Engineer-in-Charge.

Refixing of old serviceable copper strips of any size with porclain insulators on wall/floor including brazing of broken strips allall as specified and directed by Engineer-in-Charge.

Taking down Copper Strips of any size complete all as specified and as directed.

BK CONSTRUCTION

M.S. ENTERPRISES

M/S Balkishan Panwar Construction