Military Engineer Services Tender

M&L for earthing complete with galvanized steel earth plate electrode of size 60cm x 60cm x 6mm thick burried directly in ground vertically at a depth not less than 2.25 metre deep below normal ground level with top edge of the plate not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using galvanized iron earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers made of galvanized iron or steel and protected by light grade 15 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type C2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 3 of SSR Part I (1991)incl dismanteling of existing unserviceable earth pit all as specified and directed by Engr-in-Charge.

M&L for earthing complete with galvanized steel earth plate electrode of size 60cm x 60cm x 6mm thick burried directly in ground vertically at a depth not less than 2.25 metre deep below normal ground level with top edge of the plate not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using galvanized iron strip 25X4mm as earth lead by means of bolts, nuts, check nuts and washers made of galvanized iron or steel and protected by light grade 15 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type C2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 3 of SSR Part I (1991)dismanteling of existing unserviceable erth pit all as specified and directed by Engr-in-Charge.

Material and labour for providing chemical earthing of advance system of Copper pipe Chemrode 3 mtrs long 50mm dia and inner strip of copper as earthing electrodesand filled with conducting concrete back fill compounds with the permanent sealings at both the ends. Top of the earth electrode shall be compressed to form an extended lead with 2 holes for connecting the strip/wire to the load. To ensure the moisture content and electrical conductivity, each earthing pit shall be provided with minimum 03 bags of 25 kgs chemical compound. An arrangement for connection of copper cable suitable size from rod to be made with given Terminal point with SS Nut Bolts, provision of polymer chamber with cover, including necessary excavation in any type of soil, returning, filling in, removal of surplus soil, the desired value of resistance should be less than 1 Ohm, Entire work will be executed by OEM, and three year warranty of resistance value below one Ohm, complete all as specified and as directed. Note : The quoted rates included with copper strip of size 25x3.15 mmup to 10 mtr connection both side with inter connection, Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw, Brazing of strip joint complete.