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Ltr: Cobb <br />April 2, 2007 <br />Page 2 <br />2 9. Compliance with the 2004 Washington State Energy Code (WSEC) is required. <br />Please update references to the 2004 WSFC. <br />10. General note" reference the Uniform Buildin? Code 2003 Edition, and 2003 <br />International Building Code. Single Family residences fall under the International <br />Residential Code (IRC). Please change code references (except engineering) to the <br />IRC. <br />11. The plans show a dimension of 3'-0" on the stairs. It is riot clear if the dimension is <br />to the face of the framing, which would make the finished stairs less than the <br />minimum width of 3'-0" or if the dimension is to the finished wall. Please clarify. <br />12. Provide fire -blocking at mid -run of stairs. <br />13. Provide handrail requirements including diameter, minimum distance from wall and <br />return ends. <br />14. Structural notes on page 12 of the engineering call out f c = 2000, the calc's on page <br />5 specify f c = 3000. The notes on page 13, reference "UBC Table 23-11-B-1 for <br />nailing not specified." Please clarify. <br />15. The main floor plan shows 4 STHDRI on the inside of framed wall. Please clarify <br />location. <br />16. The engineering has calculations for beam B1 which is 12' long with a point load <br />48" from the left side. I am not able to see where this beam would be installed on <br />the plans. Please clarify. <br />17. The plans show (3) 2 x 6 headers at the stairwell with the 2 x 6's laid flat. Please <br />clarify. <br />18. Provide detail of reinforcing steel around 30" x 36" crawl access opening in <br />basement wall. <br />19. Please clarify call -out for "Simpson T-Hanger" on page A-3 where TA's frame to the <br />GLU-LAM beam. <br />20. Per Geotechnical Engineering Evaluation: Provide 6 inches of free draining sand or <br />gravel under slat• -on -grade as a capillary break. A suitable vapor barrier should be <br />placed over the sand or gravel. A 4 inch thick crushed rock blanket may be used to <br />cover the vapor barrier to protect it. The capillary break should be designed to drain <br />into the foundation drain system. <br />21. It is also rLconrmendei that the geotechnical engineer be retained to review final <br />plans prior to the start of construction to check for conformance with the <br />mcommendations in their report, and to provide observation of the earthwork phases <br />of development. <br />nM1T NCYMrM1E1UMN/CM24))R/N MCWGGALLANTJ <br />