bids are invited for sitc of lps and spd at ranchi airport type i plus ii spd with series filter of 63a for three phase operations for 60kva and 20 kva dual ups input , type ii spd with 32a series filter for three phase operation for 60kva, 20kva dual ups output , type i plus ii spd , type ii spd , for coaxial rf communication n-type vhf connector, supply of type 1 surge protector for rf coaxial cables with accessories for installation for vhf range , for coaxial rf communication uhf connector, supply of type 1 surge protector for rf coaxial cables with accessories for installation for uhf range , for rj 45 surge protection, rj45b 48 supply, of type 2 surge protection system for computer lan applications using surge protectors with accessories for installation , for rj 11 surge protection, type 2 surge protection system for rj11 connectors with accessories for installation , for rs 232 9 pin dataline protection, surge protector for rs 232 9 pin connectors with accessories for installation , for telephone line protection , conventional lightening , insulated copper wire , earth pit , copper strip , copper plate , gi pipe , salt , charcoal , heavy duty pvc pipe plastic 2 inch corrugated hose , frangible fiber-reinforced plastic frp poles , concrete base for erecting frp poles , copper brazing as per the requirement along with bus bar , laying of gi pipe by cutting and filling of concrete road at fire station , sitc total quantity : 2996