supply of supply of earthing and bonding system , supply of earthing and bonding system as per rdso spec. no. rdso/spn/197/2008, rdso dr g. no. sdo/rdso/e&b/001 dt. 19.09.08 and rdso drg. no. sdo/rdso/e&b/002 dt. 19.09.08. earthing and b onding system for relay room , ips room ,spd box, operator panel in sms room, signalling equipments in s tation building, block circuit, ssdac,etc. supply ofpermanent and maintenance free earth pits materials.1 set pmf earth pit consisting of: i) 17 mm diameter and minimum 3 m long copper bonded steel rod - 1no. ii ) gem 25 lb - 3 bags. iii) 25*6*150 mm cu bus bar- 2 no. iv) supply for connection between earthpits and m ebb it includes 35 sq mm multistrand pvc insulated single core cu cable (15 mtr lump sum).supply for inter nal connection from mebb to sebb and to other equipments.(50 mtr lump sum).it includes 16 sq mm and 1 0 sq mm multi strand pvc insulated single core cu cable. [ warranty period: 30 months after the date of d elivery ] ] , supply of earthing and bonding system as per rdso spec. no. rdso/spn/197/2008, rdso dr g. no. sdo/rdso/e&b/001 dt. 19.09.08 and rdso drg. no. sdo/rdso/e&b/002 dt. 19.09.08. earthing and b onding system for relay room , ips room ,spd box, operator panel in sms room, signalling equipments in s tation building, block circuit, ssdac,etc. supply ofpermanent and maintenance free earth pits materials.1 set pmf earth pit consisting of: i) 17 mm diameter and minimum 3 m long copper bonded steel rod - 1no. ii ) gem 25 lb - 3 bags. iii) 25*6*150 mm cu bus bar- 2 no. iv) supply for connection between earthpits and m ebb it includes 35 sq mm multistrand pvc insulated single core cu cable (15 mtr lump sum).supply for inter nal connection from mebb to sebb and to other equipments.(50 mtr lump sum).it includes 16 sq mm and 1 0 sq mm multi strand pvc insulated single core cu cable. [ warranty period: 30 months after the date of d elivery ] ] , supply of earthing and bonding system as per rdso spec. no. rdso/spn/197/2008, rdso dr g. no. sdo/rdso/e&b/001 dt. 19.09.08 and rdso drg. no. sdo/rdso/e&b/002 dt. 19.09.08. earthing and b onding system for relay room , ips room ,spd box, operator panel in sms room, signalling equipments in s tation building, block circuit, ssdac,etc. supply ofpermanent and maintenance free earth pits materials.1 set pmf earth pit consisting of: i) 17 mm diameter and minimum 3 m long copper bonded steel rod - 1no. ii ) gem 25 lb - 3 bags. iii) 25*6*150 mm cu bus bar- 2 no. iv) supply for connection between earthpits and m ebb it includes 35 sq mm multistrand pvc insulated single core cu cable (15 mtr lump sum).supply for inter nal connection from mebb to sebb and to other equipments.(50 mtr lump sum).it includes 16 sq mm and 1 0 sq mm multi strand pvc insulated single core cu cable. [ warranty period: 30 months after the date of d elivery ] ]