REPAIR OR REPLACEMENT OF OLD MCB DBS OF OTM AND MD ACCN AT PANGODE MILITARY STATION TRIVANDRUM

Amount

Supply and fix in repairs sheet metal enclosure powder painted MCCB DB TPN 415 Volts 4 way double door vertical type with 200 Amps rated bus bar din rail neutral link with suitable for MCCB as incomer all as specified and directed.

Supply and fix in repairs MCCB 415 volts 16 KA four pole 125 Amps adjustable type complete all as specified and directed

Supply and fix sheet metal enclosure powder painted MCB DB SPN 230 Volts 8 way double door complete all as specified and directed .

Supply and fix MCB SP 240 Volts "B" series 5 to 32 Amps breaking capacity 10 KA rating complete all as specified and directed.

All as per ser item No. 4 above but for MCB SPN 25 to 32 Amps

Supply and fix in repairs sub main wiring with 2 runs of 4 sqmm single core PVC insulated, FRLS, unsheathed cable with stranded copper conductor, 1100 Volts grade drawn through and including non metalic PVC conduit with all fitting such as Tee, Bends, Elbow, etc., fixed surface on wall/ceiling including 4 Sqmm multistranded PVC insulated, FRLS, copper conductor cable as earth continuity conductor and connecting to common earth dolly complete all as specified and directed. NOTE: Two runs of 4 sqmm copper cable and one run of 4 sq mm copper cable alongwith non metallic PVC conduit will be measured as one length

M&L for Earthing complete in replacement with galvanised iron mild steel earth plate electrode 60 cm x 60 cm x 6.3mm thick burried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below normal ground level, connected to glavanised earthwire 4mm diameter by means of GI Bolts, Nuts, check nuts and washers including earthing pit in PCC (1:3:6) type C-1 RCC pre-cast (1:2:4 type B-1) cover slab 50 mm thick with 8 mm CTD bars reinforcement both ways at 140 mm centre to centre with two handles, 20 mm dia GI pipe medium grade for watering pipe , wire mesh, funnel and providing charcoal or coke and salt in alternative layers of 15 cm and 15 mm dia light grade GI pipe for protection of earth wire from earth plate to MCB DB including necessary earth work in soft/loose soil, returning, refilling and removing of surplus soil to a distance not exceeding 50 mtr and testing on completion complete all as shown in electrical plate No-3 of SSR Part-I and all as specified and directed.

SUJAN

DJ GROUP

Sreema Enterprises

S L ELECTRICAL WORKS

SHILPA ENGINEERS AND CONTRACTORS