REPAIR/REPLACEMENT OF UNSV LIGHTENING CONDCUTOR, EARTHING TEST POINT AT ESH SHED, OTHER STORAGE SHED IN A A BANAR UNDER GE BANAR

Amount

M&L for earthing in replacement with galvanized steel earth plate of size 60x60x6 mm thick electrode and 32x6mm GI strip length up to 7.5 mtr as earth lead, buried directly in ground protected by GI pipe 40 mm dia medium grade (earth pit not less than 2.25 mtr below normal ground level) with top edge of earth plate should not less than 1.5 mtr below normal ground level and connected to galvanized iron earth, GI strip of size 32X6 mm dia by means of bolts, nuts, washers of galvanized iron all as shown in electrical plate No.3 of MES SSR Part I connected to earth test terminal point all asa specified or as indicated including testing on completion (Rates inclusive of neccessary excavation in any type of soil,earth work,PCC pit,PCC/stone cover,funnel with watering pipe, wire mesh, common salt, charcoal etc.all as required at site for complete earthing complete all as specified.

Material and labour for replacement of unserviceable existing earthing with bore well earthing with the help of mechanical boring machine of 150 mm dia, 30 mtr depth with 50mm dia medium GI pipe duly drilled all around 150 mm dia hole at a distance of 200 mm from hole to hole upto min 20 mtr depth upto water level including supply and fix 150 mm dia (O.D), UPVC pipe 6 kg/sqcm rating -06 mtr long with the help of suitable size clamp with nut bolt and washer -01 No. M&L for providing 32x6 mm GI strip from bore well to test point protected by GI pipe 40 mm dia medium grade in ground and connected to terminal block,grounding of borewell with PCC (1:2:4) type B-1 / Brick masonry pit of size 60x60x45cm complete all as specified. Note :- (i) The charge for mechanical boring machine is deemed to be include in above quoted rate. (ii) UPVC Pipe 150 mm heavy duty, GI Strip 32x6, and protection pipe, PCC Work and GI pipe 50mm dia med grade shall be measured and paid separately items of schedule.

Supply and fixing in replacement of UPVC pipe 150 mm dia pressure 6 kg/sqcm rating for bore well earthing complete all as specified.

Supply and fixing in replacement of GI tubing 50mm dia medium grade in incl necessary fittings for lowering in borewell of depth upto 30mtr and grouting at roof top in cement concrete to mount the air termination rod complete all as specified. Note: PCC work for grouting on roof shall be measured and paid seperately under relevant item of Schedule.

Supply and fixing in replacement of GI tubing 40mm dia medium grade in incl necessary fittings for protection of GI strip and grouting at roof top in cement concrete to mount the air termination rod complete all as specified.

S&F in replacement of GI strip of size 32x6 mm incl mounting on including PVC/Porcelain insulators on wall and burried in ground depth not less than 60 cm in ground complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of aluminum strip of size 25x3.15 mm incl saddles / supporting insulators to run over the roof complete all as specified.

Taking out carefully existing aluminum strip of any size including porcelain / PVC insulators from roof/wall and refixing the same in position including provision of new insulators & nut,bolts,screws and proper layout on roof/wall at a height upto 10 mtr complete all as specified.

Taking out carefully existing GI strip of any size including porcelain / PVC insulators from roof/wall/under ground and re-fixing the same in position including provision of new insulators & nut,bolts,screws and proper layout on roof/wall/ at a height upto 6 mtr and burried in ground complete all as specified.

M&L in replacement for air termination single pointed aluminium rod 12mm dia 300mm long fixed proper on GI pipe/pcc by drilling,nut,bolt etc complete all as specified.

Supply and fixing in replacement test point terninal block made of gun metal or phasphorus bronze size 75x75x25mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hex head screw fixed on wall complete all as specified.

M&L PCC (1:3:6) type C-I using 20mm graded stone aggregate for coping of GI pipe at roof top with form work and Brick masonry pit for bore well as required complete all as specified.

M&L for earth identification board made out of MS Sheet of size 300x300x6mm and fixed with angle iron 40x40x5mm, 90cm long grouting 45 cm depth in ground by PCC 1:3:6 of minimum size 30cmx30cmx20cmm duly board painted with black enamelled paint as background and write the descreption of earthing No, results with white enamelled paint complete all as specified.

Shri Electrical Enterprises (BID ID -3309210)

SACHIYAY MAA ELECTRICALS (BID ID -3302275)

SARASWATI ELECTRIC STORE (BID ID -3303184)

GITANSH ENGINEERS AND COMPANY (BID ID -3303277)

Elmek Engineers (BID ID -3303335)