SPECIAL REPAIRS OF LIGHTENING ARRESTORS AND EARTHING POINT AT VAJRAKOSH UNDER GE(SB) KARWAR

Amount

Material and Labour for earthing complete with copper earth plate electrode 600mmx600mmx3.15mm thick buried directly in the ground vertically to a depth not less than 3 metre below the ground level with top edge of the earth plate not less than 2.25 metre below the ground level connected to copper earth strip of 20mmx3mm size by means of bolts, nuts and washers protected by GI tubing light grade 40mm bore and GI watering pipe medium grade 20mm bore with funnel and wire mesh, PCC pit in PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) chamber 40mm thick RCC cover slab (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) complete all as specified and shown in electrical plate No. 3 of SSR Part-I including earth work in any type of soil removal of surplus soil and providing charcoal dust and salt layers all around the earth plate upto 15cm complete all as required, specified and as directed. (Note: Upto 7.5 mtr length of pipe of 40mm bore and GI strip shall be deemed to be included in unit rate quoted by tenderer.

Taking down Aluminium/Copper/GI strip situated on the roof, fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation of IGLOOs/Magazine Buildings or any other buiding complete as specified and directed by Engr-in-Charge. Note: The height in which the taking down/fixing of the strips to be carried out is at the average height of 10Mtrs.

Supply and fixing in replacement of old unsv Aluminium strip of size 25 x 4 mm fixed to wall on batten or roof of the building or side walls of the building or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation alongwith carrying out welding, brazing. cutting and joining work wherever required as per the site requirement all as specified and directed by Engr-In-Charge. Note:- The nut & bolts for joining of the strip and the epoxy insulators used for insulating from the building are measured under relevant items seperately.

Supply and fixing in replacement of Copper strip 25x4mm fixed to wall on batten or roof of the building or side walls of the building or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation alongwith carrying out welding, brazing, cutting and joining work wherever required as per the site requirement all as specified and directed by Engr-In-Charge. Note: The nut & bolts for joining of the strip and the epoxy insulators used for insulating from the building are measured under relevant items seperately.

Supply and fixing in replacement of earth continuity conductor or main earthing lead fixed to wall on batten or roof of the building or side walls of the building or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required but 32x6mm galvanised iron strip complete all as specified and directed.

Supply and fixing in replacement of old unserviceable Air termination, single pointed, copper rod 12mm dia and 300mm long alongwith all the fixing arrangements as required at site including connecting the same with the continuity earth strip complete all as specified and directed by Engr-In-Charge.

Supply and Fixing in repairs PCC bricks of size 16x8x6 inch situated on roof of IGLOO/Magazine or any other indicated building complete all as directed by Engr-in Charge.

Material and labour for supply and fixing in replacement of old unsv nuts and bolts with Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut of length 5 cm to 10 cm and a diameter ranging from 16 to 20 mm as required at site complete all as specified and directed by Engr-In-Charge.

Supply and Fixing epoxy electrical insulators used for insulating the GI/Copper strip lightening arrester and Earthing strip from the ground by fixing the insulator to already existing PCC block or as required at the site complete all as specified and directed by Engr- in Charge

BRO TECH ELECTRICAL & ENGINEERING SOLUTION (BID ID -3114331)

M/S SURAT SINGH AND SONS (BID ID -3115290)

JAI SHREE GOPAL ELECTRICALS (BID ID -3109793)

ABDUL RAHIM (BID ID -3114507)

M/S. B G GAONKAR (BID ID -3113817)

RAVINDRA BROTHERS (BID ID -3115998)

ANKIT SHIP REPAIRERS AND SUPPLIERS (BID ID -3112250)

SRI GURUPRASAD INFRATECH (BID ID -3103137)

SHRI MALLIKARJUN BATTERY AND ELECTRICAL WORKS (BID ID -3112976)