REPAIRS/ REPLACEMENT OF MAIN SWITCH BOARDS, DISTRIBUTION BOARDS INCLUDING MCBs/MCCBs ALONGWITH SUB MAIN WIRING AND CONNECTED WORKS UNDER GE CHENNAI

Amount

Taking down sub main wiring any type and any size complete after taking proper disconneting of electric supply properly and making good surface complete all as specifided and directed

S&F sub main wiring complete with two runs of 4 sqmm PVC insulated unsheathed single core multistrand copper conductor cable of 1100 volts grade drawn through new non metalic rigid PVC conduit pipe concealed in wall alongwith accessories fixed on walls/floors/ceiling with one run of 4 sqmm PVC insulated unsheathed copper conductor cable as earth continuity conductor all as specified and directed by Engr-in-Charge. Note:- Two runs of PVC insulated cable 4 sqmm + one run 4 sqmm of earth wire and one run of conduit including accessories shall be measured as one length.

All as per item No.2 herein before but 2 x 6 sqmm + 1 x 6 sqmm earth wire

All as per item No.2 herein before but 2 x 10 sqmm + 1 x 10 sqmm earth wire

All as per item No.2 herein before but 4 x 10 sqmm + 1 x 10 sqmm earth wire

S&F sub main wiring complete with two runs of 4 sqmm PVC insulated unsheathed single core multistrand copper conductor cable of 1100 volts grade drawn through new non metalic rigid PVC casing capping on wall alongwith accessories fixed on walls/floors/ceiling with one run of 4 sqmm PVC insulated unsheathed copper conductor cable as earth continuity conductor all as specified and directed by Engr-in-Charge. Note:- Two runs of PVC insulated cable 4 sqmm + one run 4 sqmm of earth wire and one run of conduit including accessories shall be measured as one length.

All as per item No.6 herein before but 2 x 6 sqmm +1 x 6 sqmm earth wire

All as per item No.6 herein before but 2 x 10 sqmm + 1 x 10 sqmm earth wire

All as per item No.6 herein before but 4 x 10 sqmm + 1 x 10 sqmm earth wire

S&F sub main wiring complete with two runs of 4 sqmm PVC insulated unsheathed single core multistrand copper conductor cable of 1100 volts grade drawn through new non metalic rigid Existing PVC conduit on wall alongwith accessories fixed on walls/floors/ceiling with one run of 4 sqmm PVC insulated unsheathed copper conductor cable as earth continuity conductor all as specified and directed by Engr-in-Charge. Note:- Two runs of PVC insulated cable 4 sqmm + one run 4 sqmm of earth wire and one run of conduit including accessories shall be measured as one length.

All as per item No. 10 herein before but 2 x 6 sqmm + 1 x 6 sqmm earth wire

All as per item No. 10 herein before but 2 x 10 sqmm + 1 x 10 sqmm earth wire

All as per item No. 10 herein before but 4 x 10 sqmm + 1 x 10 sqmm earth wire

Taking down DB any type and any size complete after taking proper disconneting of electric supply properly and making good surface complete all as specifided and directed

S&F Sheet metal enclosure for DBs when MCBs to be used, made of CRCA sheet, 1mm thick powder coated paint comforming of relevant IS, 8 way 200 Amps rated bus bar with double door, 240 V double door conform to IP 38 protection

All as per item No.15 herein before but for DBs SPN 4 way, with 200 amp rated bus bar Double door, 240 V.

All as per item No.15 herein before but for DBs TPN 8 way, 415V with Double door.

All as per item No.15 herein before but for DBs TPN 6 way, 415V with Double door.

Taking down MCB any type and any size complete after proper disconneting of electric supply and making good surface complete all as specifided and directed

S&F 415V 10KA 'C' curve miniature circuit breaker (MCB) of following poles and current carrying capacity in the DB complete with connection testing and commissioning for 100 Amps

All as per item No.20 herein before but for 63 Amps

S&F MCB of SPN of rating 63 Amps

S&F MCB of rating 240 Volts, SPN 32 Amps C series

S&F MCB of Single pole of rating 6 to 32 Amps C curve including taking down the old one.

Taking down AC box any type and any size complete after taking proper disconneting of electric supply properly and making good surface complete all as specifided and directed

S&F for modular 32 Amp motor starter AC switch with two module one piece including indication both red and green complete all as directed

Taking down Meter box any type and any size complete after taking proper disconneting of electric supply properly and making good surface complete all as specifided and directed

S&F for meter board box made out of 2mm thick MS sheet with suitable angle iron supports of suitable size to accommodate 06 Nos meter and embedded in walls with proper fixing arrangement including painting with 2 coat of synthetic enamel paint over a coat of red oxide primer complete all as directed

S&F for meter board box made out of 2mm thick MS sheet with suitable angle iron supports of suitable size to accommodate 04 Nos meter and embedded in walls with proper fixing arrangement including painting with 2 coat of synthetic enamel paint over a coat of red oxide primer complete all as directed

S&F for meter board box made out of 2mm thick MS sheet with suitable angle iron supports of suitable size to accommodate 01 Nos meter and embedded in walls with proper fixing arrangement including painting with 2 coat of synthetic enamel paint over a coat of red oxide primer complete all as directed

S&F for PVC flexible hose pipe 25 mm including clamp and suitable for wiring complete all as directed

Taking down old serviceable existing electric meters and keep in safe custody inclduing refixing in same location/Quarters all as specified and dircted

Earthing complete with galvanised steel earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground( earth pit not less than 2.25 m deep below the normal groungnd level) with top edgee of the plate not less than 1.5m below normal GL connected to GI earth strip of size 25x4mm by means of bolts, nuts, check nuts washers of GI or steel all as shown in electrical plate No-5 of SSR Part I connected to machanery/equipments installed power house/sub station all as specified including testing on completion, complete all as per Electrical plate No.03 and as directed by Engr-in-charge Note : the unit rate shall also include for excavation earth work in any type of soil PCC (1:3:6) type C1 in foundation. RCC 1:2:4 type B-1 in cover slab reinforced with 8 mm dia CTD bars @ 150mm C/C both ways, funnel with 15mm bore GI watering pipe 20mm dia bore GI protection pipe wire mesh and copper lugs complete in addition to item No 1(a) to (e) of preamble of dia 20mm Under sub heading earthing specified on SI page NO-389 of SSR Part-II 2004.

S & F for open slot PVC cable trunking width 40mm, depth 80mm complete and fixing on wall and roof including all accessory complete all as specified and directed.

S & F for open slot PVC cable trunking width 60mm, depth 80mm complete and fixing on wall and roof including all accessory complete all as specified and directed.

RK ENTERPRISES

PSK Enterprises

M/s.Sai Agency

G.L.THIRUMALAI NAIDU AND COMPANY

D Subramani and Sons

BKR Enterprises