Electrical work for Upgradation of Earthing and other protection system of Electrical assets over Moradabad division.

A-Electrical work for Upgradation of Earthing and other protection

Earthing with 40mm dia. GI pipe class 'B' , 3 meter long, earth electrode as per 1 IS:3043 (latest version) to achieve earth resistances less than 5 ohms including construction of masonry enclosures with hinged cover plate of cast iron/RCC(Heavy Duty with lifting arrangement) with locking arrangement as required (Outer hole size: 450XmmX450mm and Cover plate(CI/RCC) size:300mmX300mm) on top, provision of earth plate, connections from earth electrode to switch gear/pole as per technical Specification/I.E. Rule. Above/

Supply and recessing/fixing on surface of 6 SWG GI wire conforming to IS: 280/2006 (LatestVersion) for loop earthing as required for earthing of installation as per IE Rule. Above/

Supply, installation, testing and commissioning of Maintenance Free Earthing. Above/

Earthing with 600x600x3 mm thick copper plate earth eletcrode as per IS : 3043 ( 4 latest version ) to achieve earth resistance less than 1 ohm including construction of masonry enclosure with hinged cover plate of cast iron with locking arrangement ( Approximate size 600x600 mm. on top, watering pipe, connections from earth plate to top with 40x6 mm. copper strip in 50 mm. dia GI pipe class ' B ' provsion of earth plate as per drawing and technical specification. Above/

Connections with 40x6 mm. copper strips in 50 mm dia GI.pipe class' B' 300 mm. deep in ground / recessing in floor from earth elctrode to equipment as per site requirement as per drawing and technical specification including supply of material complete in all respect. Above/

Supply and fixing of RCCB 2P 25A 30mA with metal enclosure. RCCB and metal enclosure should be of same make of reputed manufacturer and as per tech. spec. Above/

Fabrication, supply and erection of Fencing around the high mast in square shape size 2MX2M and height 1.5 M from ground level fabricated from MS angle size 40x40x6 mm, MS flat size 40x6 mm AND WIRE MESH MADE OF 8 SWG wire and 1M wide hinged type lockable door as per drawing approved by Railway including grouting, CC platform around the high mast 0.30 M above ground level and painting etc. and as per technical specification. Above/

Connections with GI strips in 300 mm deep in ground / recessing in floor clamping in trenches of sub-station by grouting clamps manufacture with MS sheet 14 SWG from Earth electrode strip to HT Panel/LT Panel/AMF Panel /Transformer/ DG Set etc. as per approved drawing and technical specification including supply of material size ( 2 Nos. 40 x 5 mm. or 40 x 10 mm ) Above/

Supply and laying of GI strip of size 25x3 mm to connect earthing station to different appliances/poles/transformer/MDB etc Above/

Earthing with 600x600x3 mm thick GI plate earth eletcrode as per IS : 3043 ( latest version ) to achieve earth resistance less than 1 ohm including construction of masonry enclosure with hinged cover plate of cast iron with locking arrangement ( Approximate size 600x600 mm. on top, watering pipe, connections from earth plate to top with 40x6 mm. GI strip in 50 mm. dia GI pipe class ' B ' provsion of earth plate as per drawing and technical specification. Above/

Supplying, erecting &commissioning 4 pole RCCB 63A,electromagnetic type with 30/100/300 mA sensitivity with earth leakage trip indication complete as per specification. Above/

Supply, erection and marking 2P RCCB 32A, 30 mA in provided distribution board as per specification. Above/

Supply, installation, connecting, testing and commissioning of RCCB 32 A, TPN RCCB 30mA breaking capacity. Above/

Supplying, erecting & commissioning 2 pole RCCB 16/25A, electromagnetic type with 30 mA sensitivity with earth leakage trip indication complete as per specification with Metal enclosure. Above/

Supplying, erecting & commissioning 2 pole RCCB 40A,electromagnetic type with 30 mA sensitivity with earth leakage trip indication complete as per specification.