Military Engineer Services Tender

M&L for copper Earth continuity conductor or main earthing lead of size 25 x 3 mm with high insulation PVC sleeve fixed to wall on batten or recess or chases or buruied in ground or drawn in a conduit / pipe or fixed to pole or any other indicated situation for loop earthing etc., as required complete all as specified and as directed

Supply, installation, testing and commissioning of maintenance free chemical earthing station using ASEEL 39 ZC & AC 76.30mm dia, 3000mm long high tensile low carbon steel rod at centre and 04 Nos copper bounded 17.2 mm 250 microns steel rods with low carbon high tensile (UL specified ) CPRI tested 3 mtrs length with prewelded at 4 sided in circular pipe duly filled with Barion back fill compound ( conductolite) (4 legs for each rod) , molecularly bounded with copper on outer surface (minimum copper bounding thickness 250 microns ) meeting the requirements of under writer laboratories (UL ) 467-2007 with 250 mm long copper strips of size 50 x 3 mm exothermally welded on top of electrode complete including augur boring of 250 mm dia hole as required for electrode in good quality stone free soil and back filling with carbon based ground enhancing compound (GEC) (with minimum quantity 42 bags for electrode) conforming to IEEE/BS standards complete with FRP pit cover all as specified and as directed Notes:- (a) The work of earthing shall be carried out by authorised trained rep of OEM. (b) The acceptable earth resistance at earth busbar/test point shall not be more than 0.1 Ohm. (c) Loop conductors with copper strip 20mm X 3.15 mm shall be measured and paid seperately. (d) The Earth result shall be achieved less than 0.1 Ohm. In the event of earth resistance found higher, then earthing shall be re-done/rectified and no payment shall be allowed for earthing have earth resitance result more than 0.1 Ohm.) (e) The cost of excavation, earth work , augur boring is included in the quoted rate. Make: ELMECH/JEF Techno Solution Pvt/Tercel/McML/Macmet/ Erico/ Reslow JK earth electrode.

S& F Copper strip of size 20 x 3.15 mm with saddles and fixing screws etc., for roof conductors and down conductors above ground complete all as specified and as directed