TECHNICAL CALCULATION AND ESTIMATOR'S MANHOUR .
manhour manual erection of process or chemical plants i. piping above ground ii. pipelines iii. steel structures iv. process equipment v. storage tanks cylindrical and spheroidal vi. welding and flame cutting vii. corrosion protection viii. thermal insulation ix. estimates x. piping above ground estimate points for buildin items xi. weight factors xii. technical calculation manner of datas ...