floor plan and roof details for physics, chemistry, and biology labs. specifies 0.75mm ga. long span corrugated alum. rooofing on hardwood members incl. rafters @ 1200 c/c and purlins @ 900 c/c.
floor plan and roof details for physics, chemistry, and biology labs. specifies 0.75mm ga. long span corrugated alum. rooofing on hardwood members incl. rafters @ 1200 c/c and purlins @ 900 c/c.