Military Engineer Services Tender

Material & Labour for Earthing complete with Galvanised steel earth plate electrode 600 x 600 x 6 mm buried directly in the ground vertically to depth not less than 3 Mtr below the ground level with the top edge of earth plate, depth not less than 2.25 Mtr below the ground level connected to GI earth strip of 32 mm x 6 mm size by means of bolts, nuts and washers protected by GI tubing light grade 40 mm dia uptoTest point 20 mm dia watering pipe with funel & wire mesh, PCC pit in PCC 1:2:4 using 20 mm stone aggregates chamber 40 mm thick RCC cover slab (1:2:4) type B-1 using 20 mm graded stone aggregates complete all as specified and shown in electrical plate No.3 of SSR Part-I including earth work in any type of soil ,removal of surplus sil and providing charcol dust & salt layers all around the earth plate upto 15 cm all as required specified & directed by engr in charge ( Note:- Up to 7.5 Mtr length of pipe of 40 mm dia and GI strip shall be deemed to be included in unit rate quoted by tenderer GI pipe and GI strip beyond 7.5) will be measured separately under respective item

Supply and fixing for lightning arrestor(metal oxide),rated of voltage arrestor-30 KV rms as per IEC 99/4 long duration discharge class-2, impules high current duration discharge of 4/10 micro sec wave (KPA) for HT 33 KV nominal discharge current capacity (8/20 micro sec )10 KA ;complete all as specified and directed by the Engineer-in-Charge.

Supply, installation, connecting electrically, testing & commissioning of Outdoor type HT 33 KV, 1250 A, 26.3 KA 3 Phase, Porcelain Clad Vaccum Circuit Breaker (PCVCB) panel with base structure complete with manual /230 volt AC Motor operating sprinig charging mechanism with 110 volt DC closing /opening shunt trip coil Aux, switch, mechanical On/Off push button and mechnical oprerating counter and with hot dip galvanized base frame incl all connecting wiring work complete all as specified and as directed by E-in-Charge. (a)     Digital Ameter with selector switch & Digital voltmeter with selector switch. (b)     LED indicator lamp. ( c) Trip circuit healthy while with push botten & auto trip indication Amber. (d) RYB Indicators.