bids are invited for custom bid for services - stage 1 internal and external inspection of above ground efr tank of dia 32 m and height 15 m tank 1 , custom bid for services - stage 2 internal and external inspection of above ground efr tank of dia 32 m and height 15 m tank 1 , custom bid for services - stage 1 internal and external inspection of above ground efr tank of dia 32 m and height 15 m tank 2 , custom bid for services - stage 2 internal and external inspection of above ground efr tank of dia 32 m and height 15 m tank 2 , custom bid for services - stage 1 internal and external inspection of above ground efr tank of dia 32 m and height 15 m tank 3 , custom bid for services - stage 2 internal and external inspection of above ground efr tank of dia 32 m and height 15 m tank 3 , custom bid for services - stage 1 internal and external inspection of above ground efr tank of dia 32 m and height 15 m tank 4 , custom bid for services - stage 2 internal and external inspection of above ground efr tank of dia 32 m and height 15 m tank 4 , custom bid for services - stage 1 internal and external inspection of above ground efrifr tank of dia 24 m and height 15 m tank 1 , custom bid for services - stage 2 internal and external inspection of above ground efrifr tank of dia 24 m and height 15 m tank 1 , custom bid for services - stage 1 internal and external inspection of above ground efrifr tank of dia 24 m and height 15 m tank 2 , custom bid for services - stage 2 internal and external inspection of above ground efrifr tank of dia 24 m and height 15 m tank 2 , custom bid for services - stage 1 internal and external inspection of above ground ifr tank of dia 10 m and height 15 m tank 1 , custom bid for services - stage 2 internal and external inspection of above ground ifr tank of dia 10 m and height 15 m tank 1 , custom bid for services - stage 2 internal and external inspection of under ground tank of capacity 70 to 90 kl tank 1 , custom bid for services - stage 1 internal and external inspection of under ground tank of capacity 70 to 90 kl tank 1 , custom bid for services - stage 1 internal and external inspection of under ground tank of capacity 70 to 90 kl tank 2 , custom bid for services - stage 2 internal and external inspection of under ground tank of capacity 70 to 90 kl tank 2 , custom bid for services - stage 1 internal and external inspection of under ground tank of capacity 70 to 90 kl tank 3 , custom bid for services - stage 2 internal and external inspection of under ground tank of capacity 70 to 90 kl tank 3 , custom bid for services - stage 1 internal and external inspection of under ground tank of capacity 70 to 90 kl tank 4 , custom bid for services - stage 2 internal and external inspection of under ground tank of capacity 70 to 90 kl tank 4 , custom bid for services - stage 1 internal and external inspection of above ground open roof tank of dia 18 m and height 15 m tank 1 , custom bid for services - stage 2 internal and external inspection of above ground open roof tank of dia 18 m and height 15 m tank 1