Replacement of DB box and allied works and Replacement of LT Electrical Panel board at various locations in ICGS Mandapam GE (I) (CG) Chennai

Amount

Dismantling and taking down Old DB Box of any size and capacity etc and taken as credit complete all as specified and as directed.

Supply and fix Powder coated Sheet metal enclosure for DBs single pole and neutral 12 way 240 V with neutral bus bar 200 Amps double door type with locking arrangement complete all as specified and as directed. Make :Legrand/ Siemen/ABB

Supply and fix Powder coated Sheet metal enclosure, double door, vertical type RCCB incomer, MCB DB, 4 way, TPN, AC 415 Voltscomplete all as specified and as directed. Make :Legrand/ Siemen/ABB

Supply and fix RCCBs for Earth leakage, overload and short circuit protection AC Four pole 63 Amps sensitivity 300 mA 240 V (As incomer) complete all as specified and as directed. Make :Legrand / Siemen/ABB .

Supply and fix RCCBs for Earth leakage, overload and short circuit protection AC Double pole 40 Amps sensitivity 100 mA 240 V (As incomer) complete all as specified and as directed. Make :Legrand / Siemen/ABB .

Supply and fix MCB SPN, AC 240 Volts 32 Amps. Make : Schneider / Siemen/ABB .

Supply and fix MCB SP 240 V, 6A to 32 Amps Make : Schneider / Siemen/ABB .

Taking down carefully sub main wiring of any description including batten / PVC conduit pipe on surface and making good the disturbed surfaces to match with the existing surface and taken as credit complete all as specified and as directed.

Material and labour for Sub main wiring with Two run single core 6 sqmm multi stranded copper conductor PVC insulated unsheathed FRLS cable 1100 volts grade confirming to IS-694 and one run single core 6 sqmm multi stranded copper conductor PVC insulated unsheathed FRLS cable 1100 volts grade as earth continuity conductor drawn into and including non-metallic rigid PVC conduit 25 mm dia surface wiring fixed on wall/ceiling/floor/roof etc including conduit accessories including taking down old sub main wiring with PVC conduit and taken as credit complete all as specified and as directed. Notes: (i) The disturbed surfaces shall be made good with existing surface including finishes as applicale. (i) Two different color wires shall be used for phase and neutral . (iii) Connections of cables with MCBs or bus bars shall be done through appropriate size brass/ copper thimbles . (iv) Three run of 6.0 Sqmm cable, and one run of PVC conduit will be measured as one unit. Make of cable:- Finlex/Poly cab/ Asian. Make of PVC conduit : Avon plast/ Kon seal / Garware.

Material and labour for Sub main wiring with Two run single core 4 sqmm multi stranded copper conductor PVC insulated unsheathed FRLS cable 1100 volts grade confirming to IS-694 and one run single core 4 sqmm multi stranded copper conductor PVC insulated unsheathed FRLS cable 1100 volts grade as earth continuity conductor drawn into and including non-metallic rigid PVC conduit 20 mm dia surface wiring fixed on wall/ceiling/floor/roof etc including conduit accessories including taking down old sub main wiring with PVC conduit and taken as credit complete all as specified and as directed. Notes: (i) The disturbed surfaces shall be made good with existing surface including finishes as applicale. (i) Two different color wires shall be used for phase and neutral . (iii) Connections of cables with MCBs or bus bars shall be done through appropriate size brass/ copper thimbles . (iv) Three run of 4.0 Sqmm cable, and one run of PVC conduit will be measured as one unit. Make of cable:- Finlex/Poly cab/ Asian. Make of PVC conduit : Avon plast/ Kon seal / Garware.

Supply Fabricate, install, connect and test indoor type distribution board of 2mm thick CRCA sheet powder coated ,fabrication and concealed in wall with all incoming outgoing cable connections provisions neutral and earth links for distribution with suitable insulation materials for fixing, suitable wiring from existing DB covered and as well as comprising following switch gear items mounted on suitable fibre sheet for fixing SPN 12 Way DB complete all as specified and as directed. Make :Legrand / Siemen/ABB .

Supply Fabricate, install, connect and test indoor type distribution board of 2mm thick CRCA sheet powder coated fabrication and concealed in wall with all incoming outgoing cable connections provisions neutral and earth links for distribution with suitable insulation materials for fixing, suitable wiring from existing DB covered and as well as comprising following switch gear items mounted on suitable fibre sheet for fixing TPN 4 Way DB complete all as specified and as directed. Make :Legrand / Siemen/ABB .

Dismantling the old unserviceable LT Panel Board and taken as credit and Supply Fabricate, install, connect, test and commission Outdoor type weather , dust , water & Vermin proof LT electrical panel board, 1100 volts, 50 Hz AC supply, totally enclosed with front opening hinged doors with plain top projected Manufactured by CPRI Approved Manufacturer, fully compartmentalised for cable chamber and busbar chambers with adequate space made out of 3.15 mm thick CRCA Sheet for load bearing like all over body, front and back cover with hinges and aldrops with DC locks and one seven lever Navtal lock etc complete with 1 mm thick FRP coated all over the external surfaces and 2.0 mm thick CRCA Sheet for non load bearing and portions, complete with applying one coat of red oxide primer , two coats of powder coating including suitable angle iron/ flat iron frame work/ supports bottom 50x50x6 mm MS channel as base and chamber for metering equipment complete suitable for mounting following switch gear items internally connected with suitable capacity aluminium strip/ rods insulated and FRLS copper conductor cable complete mounted on PCC pillars foundation, cable connection using new lugs complete with danger notice complete all as specified and comprising of the followings:- Note: (i) Existing cables which removed from old panel board will be fixed with new lugs during fixing in new panel board (ii) Getting of approval for Panel board drawing from Engr-in-Charge is necessary before fabrication. (iii) All switch gears should be fixed with 06 mm thick Fibre sheet.

a) LED/Neon indicator bulb in RYB Colour - 1 Set make :Philips/Wipro .b) 4 No Bus bar 400 amps with chamber , 3 phase ,415 Volts c) Digital Voltmeter 0-500 volts, and Digital Ammeter 0-500 Amps of suitable size - 01 Set Make:AE/Meco/IMP d) 3 phase over current and Earth fault relay range (250-400 Amps) -01 No Make AVIVA/Siemen/English Electric INCOMING :- e) Front Handle type Changeover Switch 250 Amps Capacity, 4 pole, 415 volt Make :Siemen/Schneider/ABB- 01 No f) MCCB 4 Pole, 415 V, Microprocessor release, Adjustable overload type, 250 A with breaking capacity 36 KA, Make :Siemen/Schneider/ABB- 01 No- OUT GOING g) MCCB 4 Pole, 415 V, Thermal Magnetic release, Adjustable type, 200 A with breaking capacity 25 KA, Make :Siemen/Schneider/ABB- 02 Nos h) MCCB 4 Pole, 415 V, Thermal Magnetic release Adjustable type, 100 A with breaking capacity 25 KA, Make : Siemen/Schneider/ABB- 02 Nos i) MCCB 4 Pole, 415 V, Thermal Magnetic release Adjustable type, 63 A with breaking capacity 25 KA, Make : Siemen/Schneider/ABB- 02 Nos

Dismantling the old unserviceable LT Panel Board and Supply Fabricate, install, connect, test and commission Outdoor type weather , dust , water & Vermin proof LT electrical panel board, 1100 volts, 50 Hz AC supply, totally enclosed with front opening hinged doors with plain top projected Manufactured by CPRI Approved Manufacturer, fully made out of 3.15 mm thick CRCA Sheet single room type complete with 1 mm thick FRP coated all over the external surfaces two coats of powder coatingi nternal surfaces including suitable angle iron/ flat iron frame work/ supports bottom 40x40x6 mm MS channel as base and chamber for metering equipment complete suitable for mounting following switch gear items internally connected with suitable capacity copper link strips for RYB &N supply and internal wirings with FRLS copper conductor with suitable colour code complete mounted on PCC pillars foundation, cable connection using new lugs complete with danger notice all as specified and comprising of the followings:-Note: (i) Existing cables which removed from old panel board will be fixed with new lugs during fixing in new panel board (ii) Getting of approval for Panel board drawing from Engr-in-Charge is necessary before fabrication. (iii) All switch gears should be fixed with 06 mm thick Fibre sheet insulation.

Incoming: (i) MCCB 63 Amps, 25 KA breaking capacity 4 pole 415 volts Make : Siemen/Schneider/ABB- 01 No ii) 4 No copper bar strips 100 amps rating for incoming -1 Set inclding with suitable PVC connector links OutGoing: i) MCB 4 Pole 63 amps, 4 pole, 415 volt Make : Siemen/Schneider/ABB- 01 No ii) MCB 4 Pole 40 amps, 4 pole, 415 volt Make : Siemen/Schneider/ABB- 01 No iii) MCB 2 pole 10 Amps 230 volts Make : Siemen/Schneider/ABB- 01 No iv) MNX 9 Contactor with MNX A2 auxillary contactor including suitable wiring for Clock wise and anti clock wise motor operation with push button Make AVIVA/Siemen/English Electric - 02 Sets

Supply, laying & testing LT UG cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 1100 volts grade, of size 3.5 core 35 sq mm complete all as specified and as directed. (Note : Make of cable : Gloster/Polycab/CCI)

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation for laying of cables/ foundation of pole/stay etc and getting out in soft/Loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n. exc 25 cms thick in excavated soil complete all as specified and as directed

Removing excavated soil n exc 50 m and depositing where directed at a level n exc.1.5 m above the starting point complete all as specified and as directed.

Supply and spread clean dry river sand in trenches including levelling, punning for cushioning of cables complete all as specified and as directed. Note : Punned thickness of sand cushioning only shall be measured and paid.

Supply and lay Sub class B bricks in layers perpendicular to the axis of UG cable for protection of cable complete all as specified and as directed.

Material and labour for cutting the existing Bituminous road/cement concrete surface 150 mm thick to the required width and depth for laying pipe line for cable protection and making good the disturbed surface by filling with PCC 1:3:6 Type C1 using 20 mm graded stone aggregate to match with the existing surface complete all as specified and as directed.

Material and labour for GI Tubing 80 mm bore Medium grade with all fittings laid in crossing road/ complete all as specified and as directed. Ath or fixed in wall /pole up to junction box including necessary clamping etc complete all as specified and as directed.Note : Cutting of road item shall be measured and paid seperately. Make of GI Pipe : Tata/Jindal/Prakash Surya

Material and labour for Earthing complete with galvanised steel earth plate electrode 600 x 600 x 6mm thick, burried directly in ground (earth pit not less than 2.25 metre deep below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to galvanised earth iead strip of 32 x 6mm mm size by means of bolts,nuts check nuts and washers of GI all as shown in electric plate No 3 connecting to earthing test point including necssary exacavation in any earth strata , PCC chambers in PCC 1:3:6 type C1, RCC 1:2:4 type B1 cover slab 50mm thick with 8 mm dia TMT HCR/CRS steel bars at 140mm C/C both way and lifting handle watering pipe of GI 20 mm dia medium grade, funnels, lug and charcol,salt etc all as applicable and as per plate No 3 of SSR part 1 connecting test point and testing on completion complete and all as specifed and as directed . Notes:-The rates quoted is inclusive of galvanised earth lead strip 32 x 6 mm conductor upto a length of 7.5m from the earth pit

RK ENTERPRISES