Military Engineer Services Tender

Removing of surplus excavated soil to distance not exceeding 50 Mtr from starting point and depositing where directed at a level not exceeding 1.5 Mtrs above the starting point complete all as specified and directed.

M&L for sand cushioning with a layer of sand 80mm thick before laying of cable and 150mm thick after laying of cable to trenches complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 2, flat size 450mm x 180mm x 40mm complete all as specified and directed.

Supply and laying and fixing in position galvanized iron pipe 80mm bore light grade fixed to pole with mild steel clamps of required size or laid through wall/under floor/under road/in trenches complete all as specified and directed.

S&F in ground PCC cable route indicator duly engraved with words "HT Cable" and arrow indicating direction of laying of cable, complete all as specified and directed. Note. PCC cable route indicator shall be provided at specified distance along the HT cable at all cable joint and turning etc.

Supply and fixing cross arms, bracing, supports, clamps and back plate fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts in any shape or size as indicated or directed inclusive of one primer coat, one under coat and one finishing coat of paint including taking down old cross arms etc complete all as specified and directed.

S & F gang operated air break switch with DO fuse assembly, three poles, outdoor type, nominal system voltage 11 KV, rated voltage 12 KV, rated normal current 200 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 28 KV (rms) (ii) across the isolating distance 32 KV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 75 KV (Peak) (ii) across the isolating distance 85 KV (Peak), Rated short-time withstand current 25 KA for 3 seconds, rated peak withstand current 63 KA for climatic conditions at the site, mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level for current including taking down old AB switch complete all as specified and as directed.

M&L for earthing continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required of 25x4mm galvanised iron strip complete all as specified and directed.

Supply, jointing and testing cable jointing kit for 11KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm all as per manufacturer’s recommendations complete all as specified and directed.

Supply, jointing and testing in repair cable jointing kit for 11KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm all as per manufacturer’s recommendations complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode 600X600X6 mm thick, burried directly in ground,earth pit not less than 2.25 meter deep below ground level with top edge of earth plate not less than 1.5 meter below ground level, steel earth plate connected with 25x4 mm GI strip by means of bolts, nuts, check nuts and washer of galvanised iron or steel as shown in electrical plate No. 3 connected to earth test point all as described in MES schedule part II including excavation earth work concreate pit with 50 mm thick RCC cover in RCC 1:2:4 type B-I duly reinforced with MS bars 6 mm dia @ 150 C/C both ways and pit chamber in PCC 1:2:4 type B-I with 2 Nos suitable lifting handles of 12 mm MS bar and GI protection pipe of suitable size,and watering pipe 20 mm dia with water funnel test point and extra length up to 7.5 meter connected to Panel board complete all as specified and directed. Note :- If the desired earth resistance is not found, earthing shall be redone by the contractor at no extra cost to the department.

S&F Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour with voltage 33000V/11000V as indicated and fixed with M.S. clamps, bolts and nuts of approved size, for HT size 25x20 cm all as specified and directed.