Military Engineer Services Tender

Supply and fix Industrial socket metal clad plug and socket with suitable MCBs single pole 20 Amp for Air conditioners complete all as specified and directed.

M& L for chemical earthing with copper plate 90cm x 60cm x5mm thick plate buried 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 1.50 metre below normal ground level , electrode connections by using copper strip of given size 32x6mm by means of bolts, nuts, check nuts and washers made of copper and protected by light grade 50 mm dia GI pipe connected to main switch board or main control board or Earth test point (length of copper strip duly protected with GI pipe) and providing alternate layers upto1.50 mtr depth of pit by charcoal dust, common salt and magnesium sulphate (common salt and magnesium sulphate will mix in 1:1) and vegetable soil all around the plate 150 mm depth and width minimum all as specified and directed, including necessary excavation and earth work in any type of strata, 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 earth work, disposal of surplus soil to a distance not exc. 50 mtr, testing after completion value of the earth resistance should be less than 1.00 ohms & leakage current 5 mA at entire satisfaction, complete all as specified and directed by Engr-in-Charge. Note : At the time of testing at testing point after completion of work if the desired earth resistance is not obtained the earthing will be redone at no extra cost complete all as directed for desire satisfaction level by Engineer-in-Charge.

M&L for earth continuity main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit / pipe G.I. protection pipe of size of suitable size as required on ground not less than 32 mm dia as specified for protection of earthing lead from mechanical injury or tempering complete all as required for copper strip of size 32X6 mm complete all as specified and directed by Engineer-in-Charge.

S&F single phase isolation transformer at input power supply of server via MCB and with power earthing point of Capacity- 10KVA, Input-230 V AC ± 10%, Output-230 V AC ± 10% 50Hz, copper wire, work efficiency more than 95%, potential between earth to neutral less than 1 volt with all standard fittings as per the direction of Engineer-in-Charge.

Supply, fixing, testing and commissioning, 240V, 10KA, 'C' curve miniature circuit breaker (MCB) SPN 63 Amp complete with connection.