Wednesday, April 8, 2009

SUMMARY OF FRAMING RED FLAGS

SUMMARY OF FRAMING RED FLAGS

Beams: Protect the bottom flanges from cutting and other damage, and place sawn beams to take account of flaws (loose knots, splits, etc).

Trusses: Beware of pre-mature blocking of bottom chords. Be careful against damaging joints and cutting individual members. Be careful to avoid asymmetrical loading when installing roofing. Avoid using truss tension members as beams; if necessary to place heavy loads on the bottom of a truss, place the load point at or near a truss joint.

Plywood: For roofs and floors, be sure the face grain is normal to the support frame.

Re-roofing: Beware of roofing over an existing roof. Check dead loads.

Joints: Be careful not to over-nail.

Temporary Columns: Watch out for excessive un-supported length.

Double cross-braces: Be sure they are also connected together at the crossing point.

Manufactured members: Follow manufacturers’ recommendations for handling and temporary bracing.

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