Military Engineer Services Tender

Material and labour for provision of tripod chemical earthing including disconnecting and dismantling of existing earthing comprising of three chemical earthing as per drawing attached (Sketch No 01). The chemical earthing will have specification as follows :- (a) Copper electrode of wall thickness minimum 2 mm not less than 3 mtr length with not less than 75mm outer dia . (b) Fixing of copper Earth Electrode by drilling / boring 175 mm dia hole, 5.00 mtr deep in any type of strata, placing electrode in hole, returning filling excavated soil by mixing min 10 kg GEL per bore and 75 kg Soil Resistivity Improvement (SRIP) compound as per manufacturer instruction (c) FRP earthing result display board 254 x 380mm made out of plastic material showing information related to type of earthing, earthing result,due date of testing along with fixing size 610mm height made of plastic hollow pipe of dia 20 mm. (d) PCC earthing protection chamber for each earthing pit in PCC 1:2:4 type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 kg/sqm) Make:- Powertrac/MML Earthing Solution/Ashlock. Note :- (a) The copper strip connection to each electrode and to the equipment will be measured and paid separately. (b) All other items are included for chemical earthing in the item except copper strip as mentioned in note(a) above every other items are deemed to be included in the item. (c) The chemical earthing will be carried out by the manufacturer or its authorized representative on the site.

(d) The earthing result will be obtained for each electrode must be less than 1Ω. Otherwise contractor is liable to do chemical earthing to meet the result without extra cost if the results are above 1Ω. (e) Contractor must visit the site before quoting the tender to understand the difficulty and cost for carrying out the job in the station. It is important that contactor ascertain the quantum of work. (f) Contractor must produce the certificate from the manufacturer that chemical earthing has been carried out by manufacturer. The manufacturer must also mention the warranty for chemical earthing. (g) Extension strip from electrode strip upto 0.15 m height from GL to be deemed included in quoted rate including brazing

Supply only Testing of World Class AT-Spain Lightning Terminal, wide area protection system based on pro-active early streamer emission (ESE) technology device shall emit electromagnetic impulse in the form of a controllered emission of streamers in to the air 60 micro seconds Early than naturally formed streamers device, World class group AT, Spain (FlashCaptor) Complies to NF C17-102:2011, UNE 21186:2011 and NP 4426:2013,  AENOR Certified products  First products to certified endurance to Extreme Environmental conditions (Salt mist and humid sulphurous atmosphere tests)  Certified to withstood Current 100KA (10/350micro Sec)  Withstand strike current for 20 impacts of 100KA & Specific energy over 2.5 MJ/Ohm test according to IEC60060-1 and IEC61083-1  Certification of performance under rain Insulation superior to 95% according to IEC6006-1, (79mtr Radius, Level 1, Very High Protection) Make:AIDITEC(SPAIN),Model: ESEONE