Details: repair or overhauling and testing of valves repair of gate/globe/ball/plug/non return valves of sizes from 15nb up to and including 25 nb of class 150. (unit rate shall include the cost of pressure testing of repaired valves)material - ss/cs repair of gate/globe/ball/plug/non return valves of sizes from 40nb up to and including 65 nb of class 150. (unit rate shall include the cost of pressure testing of repaired valves)material - ss/cs repair of gate/globe/ball/plug/non return valves of sizes from 80 nb up to and including 100 nb of class 150. (unit rate shall include the cost of pressure testing of repaired valves)material - ss/cs repair of gate/globe/non return valves of sizes from 150 nb up to and including 250 nb of class 150. (unit rate shall include the cost of pressure testing of repaired valves)material - ss/cs repair of gate/globe/non return valves of sizes from 300 nb up to and including 400 nb of class 150. (unit rate shall include the cost of pressure testing of
Sector: Industries and Factories