REPAIR REPLACEMENT AND IMPROVEMENT OF EARTHING AND LA INFRASTRUCTURE AND ALLIED WORKS AT UMROI MIL STN UNDER GE UMROI

Amount

Supply & fix in repair single pointed air termination Copper rod 12mm dia, 300 mm long on Gi pipe 50mm with 20x3mm with MS clamps, nut bolt bracing etc. required at site, complete all as specified and as directed.

S&F in repair test point terminal block made of gun metal or phosphhorus bronze size 75x75x25mm, drilled and screwed including 3 Nos, 8mm dia 25mm long hexagonal head brass screws including suitable sheet metal powder coated enclosure complete all as specified and as directed.

Supply & fix in repair Aluminium Strip 25mm x 3 mm complete with epoxy insulators at every one mtr distance at normal run and 60cm at every corner and edges of bld tarrace and fixing screws for fitting the strip complete all as specified and as directed.

Supply & fix in repair Copper Strip 20 mm x 3 mm complete with epoxy insulators at every one mtr distance at normal run and 60cm at every corner and edges of bld tarrace and fixing screws for fitting the strip complete all as specified and as directed.

S&F in repair 40mm bore, light grade, galvanised iron steel tubing, with all fittings fixed complete to walls and ceiling or laid under floors complete all as specified and as directed.

M&L for PCC 1:2:4 type B-1 (using 20 mm graded stone aggregate) for copping of pole, as in benching and finished exposed surfaces even and smooth including necessary form work, complete as specified and directed.

M&L in repair for earthing complete with galvanized Steel earth plate electrode of 60 cm x 60 cm x 6 mm thick buried directly in ground [earth pit not less than 2.25 metre deep below normal ground level] with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip of size 32x6mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 of MES SSR Part I connected to earth test point all as specified and testing on completion including provision of earth lead protected by 40 mm bore light grade GI pipe & watering pipe shall be 20 mm bore medium grade GI pipe including all excavation and earh work in any type of soil, PCC pit with RCC cover, char coal, salt, funnel etc complete all as specified and directed

M&L in repair for earthing complete with Copper earth plate electrode of 60 cm x 60 cm x 3 mm thick buried directly in ground [earth pit not less than 2.25 metre deep below normal ground level] with top edge of the plate not less than 1.5 m below normal ground level, connected to Copper strip of size 20x3mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 of MES SSR Part I connected to earth test point all as specified and testing on completion including provision of earth lead protected by 40 mm bore light grade GI pipe & watering pipe shall be 20 mm bore medium grade GI pipe including all excavation and earh work in any type of soil, PCC pit with RCC cover, char coal, salt, funnel etc complete all as specified and directed

M&L for repairing of old earth pit Chambers by providing funnels, plastering and PCC work , checking the terminal connection , renewal withy new nuts and bolt of suitable size, providing brazing in case of Copper Earthing, marking of the earthings by providing suitable MS Sheet , noting the resistance values etc complete all as specified and directed

M&L in repair for earthing complete with galvanized Steel earth plate electrode of 60 cm x 60 cm x 6 mm thick buried directly in ground [earth pit not less than 2.25 metre deep below normal ground level] with top edge of the plate not less than 1.5 m below normal ground level, connected to GI Wire 4.0mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 of MES SSR Part I connected to earth test point all as specified and testing on completion including provision of earth lead protected by 15 mm bore light grade GI pipe & watering pipe shall be 20 mm bore medium grade GI pipe including all excavation and earh work in any type of soil, PCC pit with RCC cover, char coal, salt, funnel etc complete all as specified and directed

Schedule of Credit

M/S RAJA CONSTRUCTION (BID ID -3172628)

M/s Jaiswal and Co (BID ID -3175174)

M/S AKC ENTERPRISE (BID ID -3176001)

DWEL ENTERPRISE (BID ID -3175337)

KB Singha and Associates (BID ID -3175265)