PROVN OF EARTHING PITS AND CABLE FOR IAAMS SUPPLY AT INS UTKROSH UNDER GE MINNIEBAY PORT BLAIR

Amount

Material and Labour for for providing earthing complete with Copper earth plate electrode 600 mm x 600 mm x 3.15mm thick buried directly in ground earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 Mtr below normal ground level connected to copper earth strip 20 x 3 mm by means of bolts, nuts, checknuts & washers of copper and connecting to earth dolly all as shown in electrical plate No. 3 of SSR Part I of 2009 & & as specified or indicated and testing on completion including exaction/earth work in any type of strata PCC ( 1:3:6 ) type C1 earthing chamber, pre cast slab 50 mm thick in cement concrete ( 1: 2 : 4 ) type B 1 ( reinforced with welded steel wire fabric (XPM) weight not less than 4 Kg / Sqm), funnel with wire mesh, watering pipe of 20 mm bore medium grade and lugs, including copper earth strip 20 x 3 mm with GI protection pipe of 40 mm medium grade 7.5 meter long, etc complete all as specified and as directed by Engr-in-Charge. Note: (i) Cost of earth wire and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item. (ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returning & filling, PCC chamber pit, RCC cover & test point.(iii) PCC pit shall be provided at least 500mm away from the earth pit and not just on the earth pit.(iv) If the desired earth resistance is not achieved during testing as per IS , the complete earthing shall be replaced / repaired by the contractor at his own cost and no extra claim shall be admissible. (vi) Earth test report shall be submitted to Accepting Officer for the payment of RAR / FB

Material and Labour for for chemical earthing complete with copper earth plate electrode 90 x 60 cm x 5.0mm thick buried directly in ground (Earth pit not less than 3.25 meters deep below ground level) with top edge of the plate not less than 2.4 meters below normal ground level, connected to copper earth lead 32 X 6 mm shows in sketch and connected to test point including Magnesium sulphate , salt and coal mixture in each layers with IS specification & necessary excavation/ earth work in any type of soil / rock strata, PCC ( 1:3:6 ) type C1 earthing chamber, pre cast slab 50 mm thick in cement concrete ( 1: 2 : 4 ) type B 1 ( reinforced with welded steel wire fabric (XPM) weight not less than 4 Kg / Sqm), funnel with wire mesh, I watering pipe of 20 mm bore medium grade and lugs,including copper earth lead 32 X 6 mm with GI protection pipe of 40 mm 7.5 meter long, etc complete all as specified. Note: (i) Cost of earth wire and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item. (ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returning & filling, PCC chamber pit, RCC cover & test point.(iii) PCC pit shall be provided at least 500mm away from the earth pit and not just on the earth pit.(iv) If the desired earth resistance is not achieved during testing as per IS , the complete earthing shall be replaced / repaired by the contractor at his own cost and no extra claim shall be admissible. (vi) Earth test report shall be submitted to Accepting Officer for the payment of RAR / FB

M&L for earthing complete with Galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using Galvanized earth strip 32x6 mm size connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 15 mm dia GI pipe medium grade for protection of G1 earth wire and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type CI chamber. MS funnel, wire gauge. 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos. 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I complete all as specified and as directed by Engr-in-Charge Note: (i) Cost of earth wire and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item. (ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returning & filling, PCC chamber pit, RCC cover & test point.(iii) PCC pit shall be provided at least 500mm away from the earth pit and not just on the earth pit.(iv) If the desired earth resistance is not achieved during testing as per IS , the complete earthing shall be replaced / repaired by the contractor at his own cost and no extra claim shall be admissible. (vi) Earth test report shall be submitted to Accepting Officer for the payment of RAR / FB

M&L for earthing complete with Galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using galvanised iron strip 25×4mm connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 15 mm dia GI pipe medium grade for protection of G1 earth wire and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type CI chamber. MS funnel, wire gauge. 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos. 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I complete all as specified and as directed by Engr-in-Charge. Note: (i) Cost of earth wire and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item. (ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returning & filling, PCC chamber pit, RCC cover & test point.(iii) PCC pit shall be provided at least 500mm away from the earth pit and not just on the earth pit.(iv) If the desired earth resistance is not achieved during testing as per IS , the complete earthing shall be replaced / repaired by the contractor at his own cost and no extra claim shall be admissible. (vi) Earth test report shall be submitted to Accepting Officer for the payment of RAR / FB

Supply and Fix 32x6mm galvanised Iron earth continuity conductor or main earthing lead 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 for earthing etc. as required complete all as specified and as directed by Engr-in-Charge

Supply and Fix 25x3 copper earth continuity conductor or main earthing lead 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 for earthing etc. as required complete all as specified and as directed by Engr-in-Charge

Supply & Fix 32x6mm copper earth continuity conductor or main earthing lead 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 for earthing etc. as required complete all as specified and as directed by Engr-in-Charge

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth and not exceeding 10 Sqm on plan and n exc 1.5 m in depth and getting out in soft / loose soil complete all as specified and as directed by Engr-in-Charge

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth and not exceeding 10 Sqm on plan and n exc 1.5 m in depth and getting out in hard / dense soil complete all as specified and as directed by Engr-in-Charge

Returning filling including spreading leveling, watering and well ramming in layers not exceeding 25cms complete all as specified and as directed by Engineer-in-Charge..

Removal of surplus soil not exceeding 50mtrs and depositing where directed at a level n.exc 1.5 mtrs above the starting point complete all as specified and as directed by the Engr-in-Charge

Supply and laying 80mm bore GI tubing medium grade ISI marked for cable protection including road cutting complete all as specified and as directed by Engr-in-Charge

Supply and Laying under ground XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade of size 300 Sqmm 3.5 core complete all as specified and as directed by Engr-in-Charge

All as per item No 13.00 above but of zise 120 Sqmm 3.5 core complete all as specified and as directed by Engr-in-Charge

Supply and laying DWC (double Wall corrugated) HDPE pipe ISI marked of outer dia of 90 mm and inner dia 76 mm polyethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure to under ground cable complete all as specified and as directed by Engr-in-Charge.

Supply and laying DWC (double Wall corrugated) HDPE pipe ISI marked of outer dia of 120 mm and inner dia 103.5mm polyethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure to under ground cable complete all as specified and as directed by Engr-in-Charge.

Supply and jointing Straight through joint epoxy type for LT cable PVC/XLPE insulated armoured aluminium conductor of size 300 sqmm 3.5 core to 400 sqmm 3.5 core, 1100 volts grade with jointing kit complete all as specified and as directed by Engr-in-Charge.

Material and Labour for plain cement concrete 1:4:8 type D2 using 40 mm graded stone aggregate for foundation complete all as specified and as directed by Engr-in-Charge

SRI HARSHITA ELECTRICALS

M/S KHUSHICONSTRUCTION

A. R. ELECTRICALS

bansal construction

Kathir Marketing Services

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