0.47mm thk 762mm wide (effective width) Zn/Al colour bond trapezoidal ribs profile roofing sheets (G550,AZ150) (colour approved by the Architect) 0.47mm thk Zn/Al colour bond 450mm wide ridge cap (colour approved by the Architect,
purchase engineering items under classification required for the construction of the accommodation facilities for other ranks at Heraliyawatta Camp belonging to Sri Lanka National Guard Regimental Centre for year 2024