Military Engineer Services Tender

M&L in replacement Earthing with copper Earth Plate Electrode 600x600x3.15mm thick burried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, connected with copper Earth Strip of size 20x3mm by means of Bolts, Nuts, Check Nuts and Washers of copper and connected Earthing Testing Point/Bus-bar including GI 40mm bore (dia) light grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt, Magneisum Sulphate (1 : 1 : 0.5) in alternate layers of not exc 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregate) and Pre-cast RCC Cover Slab of size 350x350x50 mm in Cement Concrete 1:2:4 (20mm graded stone aggregate), reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, Funnel with GI Watering Pipe 20mm bore (dia) medium grade including necessary Excavation in any type of soil, Returning, Filling in and Removal of surplus Spoil disposal to out side MD land and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

Material and Labour for Earth continuity conductor or main earthling lead fixed to wall on battern or recess or chases or buried in ground or drawn in conduit / pipe or fixed to poles 32 x 6 mm galvanized steel strip complete all as specified and directed by Engr-in-Charge.

All as per item No 5 but 20x3 mm copper strip complete all as specified and directed by Engr-in-Charge.

Supply & fixing in repair and connect earth continuity conductor or main earthing lead of size 4.0 mm galvanised iron wire including necessary welding etc, incl taking down old unsv earth wire of any specification complete all as specified and directed by Engr-in-Charge.

M & L for cleaning the earth pit by removing mud/soil etc from any type of earth pit as required at site and removing rust from the aluminium/copper strip and taking reading of earth resistance by using good quality earth resistance machine and preparing of test results in prescribed format all as directed by Engr in Charge. Note :- 1. Each earth pit result to be submitted to Engr-in-Charge duly signed by user and MES rep. 2. EP No should be mentioned on individual earth pits and ER value of installation etc complete all as specified and directed by Engr-in-Charge.

M&L for repairing earth pit with brick work /PCC work / Plastering work etc as required at site complete all as specified and directed by Engr-in-Charge.

S&F epoxy base insulators of specified size of 40mm height for fixing GI earth strip on wall/ceiling/floor/poles etc complete all as specified and directed by Engr-in-Charge.

M&L for earth 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 and GI bolts, nuts and washers complete all as specified and directed by Engr-in-Charge.

Supply and spread common salt commercial in trenches to improve the ER value of existing earth pits complete all as specified and directed by Engr-in-Charge. (Note : Excavation and earth work shall be measured and paid separetly)

Supply and spread charcoal dust/Breeze in trenches to improve the ER value of existing earth pits complete all as specified and directed by Engr-in-Charge. (Note : Excavation and earth work shall be measured and paid separetly)

Excavation in existing earth pit and spreading Common Salt, Charcoal dust and Magnesium sulfate complete all as specified and directed by Engr-in-Charge. (Note : Common Salt, Charcoal dust and Magnesium sulfate shall be measured in relevant item of schedule)

Supply and fixing PCC earth chamber of plain cement concrete of 1:3:6, with cover slab of RCC 1:2:4 with 8mm dia TMT bar,100mm c/c including MS bar lifting hook including replacement of rusted watering pipe 20mm bore light grade, unsv GI funnel with wire mesh complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material (Epoxy Based) and accessories suitable for 3½/ 4 core XLPE armoured Al conductor cable of size 70 to 95 sqmm indoor/outdoor type complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement MCCB, 4 pole, 3 phase, 415 volts, 400 Amps, repturing capacity 35 KA with overload and thermal tripping features complete all as specified and as directed by Engr-in-Charge. Make: Havell’s/ABB/Standard or equivalent as mentioned in list of makes in Appx B-1.

All as per item No 17 here-in-before but 200 Amps repuring capacity 25 KA complete all as specified and as directed by Engr-in-Charge.

All as per item No 17 here-in-before but 250 Amps repuring capacity 25 KA complete all as specified and as directed by Engr-in-Charge.

All as per item No 17 here-in-before but TPN 160 Amps repuring capacity 16 KA complete all as specified and as directed by Engr-in-Charge.

Supply and fixing aluminum thimbles crimping type of size 16 to 25 Sqmm complete all as specified and as directed by Engr-in-Charge.

Supply and fixing aluminum thimbles crimping type of size 50 to 120 Sqmm complete all as specified and as directed by Engr-in-Charge.

Supply and fixing aluminum thimbles crimping type of size 150 Sqmm to 240 Sqmm complete all as specified and as directed by Engr-in-Charge.