POWER SUPPLY ARRANGEMENT TO AIR CONDITIONERS AT ADMINISTRATIVE BUILDING CANTEEN ALUMINA REFINERY, NALCO, DAMANJODI

Amount

Suplying and Laying of PVC insulated and PVC sheathed 1.1KV grade aluminium power cable conforming to IS:1554 on excavted trench, direct on wall through pipes etc. as per direction of Engineer-in-charge. CABLE SIZE : 3.5CX50SQMM AYFY

Supplying and Laying of PVC insulated and PVC sheathed 1.1KV grade aluminium power cable conforming to IS:1554 on excavted trench, direct on wall through pipes etc. as per direction of Engineer-in-charge. CABLE SIZE : 4CX10SQMM AYFY

Excavating trenches 800 x 400mm wide for laying of cable, supply and filling of sand 75mmbelo and 75mm above the cable with brick protection on three side of the cable, backfilling the trench and restoring to original safe, disposing the surplus earth to outside premises in all as in all kinds of soil.

Termination of PVC insulated and PVC sheathed power cable of 1.1KV grade of following size, including supply of nickel plated double compression cable gland and crimping type socket, stripping of insulation, fixing of cable gland, core marking, crimping cable, including supply of all labour and material complete as required & as per direction of Engr-in-charge CABLE SIZE UP TO : 3.5C X70SQMM AYFY

Termination of PVC insulated and PVC sheathed power cable of 1.1KV grade of following size, including supply of nickel plated double compression cable gland and crimping type socket, stripping of insulation, fixing of cable gland, core marking, crimping cable, including supply of all labour and material complete as required & as per direction of Engr-in-charge CABLE SIZE UP TO : 4C X25SQMM AYFY

Earthing: Supply, installation, testing and commissioning of class-B GI earth electrode of 50mm dia 3000mm long complete with earth pit with RCC cover with all necessary material including excavation of earth pit filling with layers of charcoal and salt, back filling providing necessary brick work slab cover, connection with GI strips including all labour and material complete as required and as per direction of Engineer-in-charge. All earthpits shall be interconnected to form a earth grid and as per IE rules and as per IS 3026 specification. On the top funel is to be provided with wire mesh of suitable size on the top of the funel.

Supply and installation of earthing strips 25 x 6mm along trenches including excavation, cutting and fixing to wall, embedding inside walls and floors welding at joints, providing anti-corrosive paints of bitumen and jute covering for welding clamping, necessary hardware for connection etc. including all labour and material complete as required and as per direction of Engineer-in- charge.

Supply Installation , testing and commissioning of MDB as per the following specification including termination of incoming and out going cable/conduits/PVC pipes/wires,required earth commection ,glanding with supply of glands suitable for 3.5x50sqmm AL,AR cable complete including transportation , labour, sundry material like rag bolt, cement ETC.As required and as per the direction of EIC. SPECIFICATION : PRE WIRED TPN DB , INCOMER : 100A TPN DB, OUT GOING: 8 NO TPN LOAD CONTACT MCB OF 40A RATING , BUS BAR 1 SET WITG SUITABLE EARTH LINK WITH ALL COMPONETS FOR OUT GOING FEEDER.

Supply and Installation , testing and commissioning os 32A TPN MCCB with sutable enclouser

Supply and installation of feeder pillar with Minimum 2mm thick sheet steel with proper corner, base support Etc.& with rain cover. Box size: 1200(l) x 600(d) x 1500(h) mm. (approx.) Free standing with 4 legs and have grout plate bolting facility.-should have bottom cable entry facility -should have double Door with gasket & universal lock, canopy cover and extra lock Provision at center. – The feeder pillar should have with following specification. a). INCOMER : 250 A SFU 1 NO with bus bar arrangement. b). Out Going: 100 A MCCB 03 NOS, 63A MCCB 03 No's . c). 50 sqmm out going terminal blocks 12 no's , 35 sqmm out going terminal blocks 12 no's . d). Installation feeder pillar inclusive of making of foundation with supply of hardware's all masonry works and dismantling of old feeder pillars if any.

M/s Maa tarini Engineers

M/s RAJKISHORE MISHRA

RRR PERESTROIKA

BASUDEVI ERECTOR