Specifications include, but are not limited to:All structural roof framing members will bear approved grade stamps and will conform to all requirements of the City of Dallas Building Codes. A) All roof framing will be done in a workmanlike manner, using good quality framing lumber as specified of sufficient size and capacity to withstand the design loads and spans as required by the City of Dallas Building Codes. B) Rafters must be framed directly opposite of each other at the ridge. The size of the ridge board will be 2” greater than the width of the rafters on either side of it. (i.e) 2x8 ridge for 2x6 rafters. C) When the repair of a barge rafter is called for, the splice will be made on a 30 degree angle with a metal splice plate used on the back side of the rafter for support. The splice will be made in a workmanlike manner, so as to leave as little evidence of the repair as possible. When replacement of a barge rafter is called for, Contractor is to replace the entire rafter from ridge to tail.