REPAIR MAINTENANCE/IMPROVEMENT TO DISTRIBUTION BOARD, SUBMAIN WIRING AND ALLIED WORKS AT NAMS

Amount

Taking out old Distribution board of sheet steel enclouser , double door factory made TPN Vertical and horizontal type 4/6/8/12 way 3 phase/ Single Phase all as specified.

Supply and fixing in replacement Distribution board of sheet steel enclouser distribution boards, double door factory made TPN Vertical 4 way 3 phase 415 volts 4 way with 200 amps rating copper bus bar and PVC insulated copper jumpers of suitable size from the MCCB to the out going circuits one incoming MCCB and 12 outgoing MCBs circuits comprising of 3 phase 4 wire of suitable rating complete all as spcd and directed with the following accessories :- (a) MCCB 100 amps, 25 KA, TP, 415 volts, 50 Hz = 01 No. (Note:- Out going MCB shall be measured and paid for separately)

Supply and fixing in replacement submain wiring two single core PVC insulated and unsheathed cable with stranded copper conductor of size 4 sqmm fixed in and incl concealed non matalic PVC conduit including copper earth wire 4 sqmm complete as specified (Note – Two run of cable shallbe treatedas single run)

Supply and fixing in replacement submain wiring two single core PVC insulated and unsheathed cable with stranded copper conductor of size 6 sqmm (84 x.30) fixed in and incl concealed non matalic PVC conduit including copper earth wire 6 sqmm complete as specified (Note – Two run of cable shallbe treated as single run)

Supply and fixing in replacement submain wiring two single core PVC insulated and unsheathed cable with stranded copper conductor of size 10 sqmm fixed in and incl concealed non matalic PVC conduit including copper earth wire 10 sqmm complete as specified (Note – Two run of cable shallbe treatedas single run)

M&L for earthing complete with galvanised steel earth plate electrode of size 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of the plate not less than 1.5 mtr below ground level, connected to galvanized earth lead wire 4.00 mm dia by means of bolts nuts check nuts & washers of galvanized iron or steel , procteded by GI pipe 15 mm bore( light grade) and watering pipe 20 mm bore GI pipe (light grade ) and chamber of pcc 1:4:8 type D2 using 40 mm graded stone aggregate and coping shall be in PCC 1:3:6 type C1 using 20mm graded stone agg. 50 mm thick cover of RCC 1:2:4 type B1 using 20 mm graded stone agg. reinforced with 8 mm dia MS tor bar @ 80 mm c/c both ways including excvation and earth work and removal of surplus soil complete all as shown in electrical plate no 5 of SSR PART 1 , with charcoal dust and salt complete and earth lead connected to earthing test point (up to main switche, DBs) complete all as specified & testing on completion.

Supply and fixing in replacement of Amp rating 240V, 10 KA, 'C' curve miniature circuit breaker (MCB) of Single pole 5 to 40 Amps current carrying capacity in the MCB DB complete with connection, testing and commissioning.

Supply and fix in replacement ATS switch 100 Amp, capacity 4 pole 415 Volt including fixing on the wall with nut bolts and thimbles complete all as specified and directed.

Supply and fixing in replacement of automatic monoblock pressure/booster pump size 25 mm x25 mm, tech motor S1 class B 230 Volts 500 Hz, RPM 2800, 10 MF, Input power 650 watt with pressure tank of cap 19 Ltrs PS max pressure bar 10 PT test pressure bar 14 with complete accessories incl GI pipe/gate valve/NRV complete all as specified and directed.

M & L for flooring the broken area with cement mortar 1:3:6 all as directed by Engr-In-Charge.

Supply and fixing Bus bar chamber made out of from CRCA sheet 2 mm thick including making concealed in the wall with nuts and bolts and color wash to match with exsting, powder coated of size 600 x450 x 150 mm in IP-65 consisting of the following :- (a) Incoming MCCB 100 Amp 4 pole 16 KA, 415 V- 01 No (b) Outgoing Alluminium Bus bar duly insualted RBY and Black- 01 Set (c) Led indicator RYB = 01 Set

ss enterprises

GEE EMM ASSOCIATES