SPECIAL REPAIR TO BUS TRUNKING/TAP OFF BOXES AND END FEED UNIT ALONGWITH ALLIED ITEMS AT JSA ENCLAVE AT VIJAY DURG UNDER GE(VD) KOLKATA

Design & Supply of IP-55 Rising Mains sand witch type with plug-outlets on both side of trunking of following capacity with Aluminium conductor With copper and tin plating throughout the Busbar, TPN with 100% neutral, Class F insulation,1000V , 12 KV impluse withstand voltage,IP 55, 50 hz, housing made from 1.5mm hot-galvanized sheet steel treated according to UNI 10327 and painted with RAL 7035 resins with high resistance to chemical agents including End cover( 04 Nos ), Spring Hangers ( 30 Nos ) , Flange end (04 Nos ) , supports Accessories and complying with IEC-60439 630 amp Rising Mains (SC Rating for 1 Sec-36 KA). Loc :- JSA Block I(Make Legrand/ Zucchini/Schneider/ABB, C&S) Note:- Any thing which is not included CA, and is being necessary for installtion deemed to be included in the quoted rate)

Supply of following capacity End Feed Unit Made of 1.6 m thick sheet steel enclosure dully painted with powder coating to existing rising mains complete with 630 amp MCCB (SC Rating for 1 Sec-36KA.) complete all as specified and as directed. (Make Legrand/ Zucchini/Schneider/ABB, C&S)

S&F 63 A Tap-off Box with inbuilt connection. on cover (With MCCB. Of panel mounting open execution 415V 50Hz 63 A 4P MCCB with Thermal Magnetic release Protection.(Make Legrand/ Zucchini/Schneider/ABB, C&S)

Material & labour for Sub main wiring with 03 runs of three core 10 Sqmm (Nominal Area) FRLSH PVC insulated and unsheathed multi standed copper conductor cable LT 1100 volts grade drawn thorugh and including PVC casing capping of adequate size fixed on surface of wall/ceiling with all necessary fittings and accessaries and 1 run of FRLSH PVC insulated and unsheathed insulated single core cable with multi standered copper conductor of size 10 Sqmm as earth wire (green in colour) run through casing capping and connected common earth dolly including taking out the old sub main wiring for connection to DBs/dolly shall be deemed to be included in this item and shall be measured as one run complete all as specified and directed. Note:- flexible conduit pipe if applicable is deemed to included in the above quoted rate.

Excavation in Trenches not exc. 1.50 Metre wide and not exc. 1.50 Metre in depth for laying of UG Cable/Pole/Stays, etc., getting out including forming bottom surface to required level and gradient in Soft/ Loose Soil and getting out, complete all as specified and as directed.

Excavation/Cutting Road/ Hardstanding in Trenches not exc. 1.50 Metre wide and not exc. 1.50 Metre in depth and getting out, complete all as specified and as directed.NOTE : Quoted Unit Rate shall deem to be included Materials and Labour required for repairing to damaged Road/ Hardstanding to match the existing Surfaces and Specifications.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 Cm in Soft/ Loose Soil, complete all as specified and as directed.

Removing excavated materials not exc. 50.00 Metre and depositing where directed at a level not exc. 1.50 Metre above the starting point, complete all as specified and as directed.

M&L Sand Cushioning (dry) in Trenches/Ducts for protection of UG Cables (below, above and around the UG Cable laid) of 23 Cm Spread thickness (8 Cm in depth before laying the Cable and 15 Cm in depth after laying the Cable) and consolidated (punned) upto 180Cm thickness, complete all as specified and as directed. Note : For the purpose of Payment, punned thickness of Sand Cushioning only will be Measured.

Supply & laying in Trenches Sub-class ‘B’ Bricks, kiln burnt, for Cable Protection, complete all as specified and as directed.