preparation of refractory internal brick lining drawing for chimney of co boiler in manali refinery of cpcl preparation of refractory internal brick lining drawing for chimney of co boiler in manali refinery of cpcl , design and detailed engineering and preparation of refractory drawings of internal brick lining for existing chimney of co boiler inside cpcl .the scope of work includes study of mechanical/ga drawings and submission ofbrick lining drawings for patch repair works/ complete replacement, submission of bill of material along with required sketches,confirmation of specification of materials all complete as per scope of work and as directed by eic.