erection procedure of cement mill uk
FIELD WELDING PROCEDURES NCDOT. Remove all coating, rust, dirt and mill scale within one inch of the area to be welded prior to fitup. Remove all slag, spatter and weld discontinuities between passes. Clean the completed weld of all debris, slag and spatter. Care shall be taken to not exceed 250#176; in the proximity of the Elastomeric Bearing material.