Committee, or SENRAC. Safety Tip: The Steel Erection Negotiated Rulemaking Advisory Committee (SENRAC) was established. by OSHA in 1994 in accordance with the Federal Advisory Committee Act (FACA) to make a. recommendation to OSHA on the contents of a Notice of Proposed Rulemaking. Course Overview.
Gable Roof Costs. The following costs are based on roof installation during new home construction. Changing your existing roof to a gable roof can easily add $5,000 to $10,000 to the project cost. As a VERY general guideline, labor for framing a gable roof costs $8 to $12 per square foot of roof surface. For an average 1,500 square foot roof this works out to $12,000 to $18,000. Multiple gables and dormers can result in prices as high as $25,000.
Cost notes: Hip dormers have more roofing and less siding, so again, material costs for each will play a role in total cost. Hipped roof dormer cost: $115-$135 per square foot or $7,360 to $8,640; Average cost and size: $7,150 for dormer 8â wide x 8â deep; Recessed or inset roof dormer: