10721 7TH AVE SE 2018-01-02 MF Import

Gary McCormick Plan Check No. 57283 December 9, 1997 Page 2 of 2 8. Provide detail of attic ventilation type, size, and location. Show the required net area calculations assuming approximately 75% of the vent area is net area unless the actual net area is given from the manufacturer. The required ventilation area ratio is 1/150 of the attic area or 1/300 of attic area if at least half of the vent area is more than 3' above eave vents (providing the remaining portion of the vent area). Opening to have 1/4" 4 6.4mm) corrosion, resistant metal mesh covering. (1505.3) Vented blocking shall not compromise the structural integrity of shear transfer, roof diaphragm to shear wall. 9. Show under floor ventilation opening size and locations equal to 1 sq. ft. for each 150 sq. ft. (0.076m' for each lOm') of under floor area. Openings shall be as close to corners as practicable and shall provide cross ventilation along the length of at least two opposite sides. Openings shall have 1/4" (6.4mm) corrosion resistant metal mesh covering. Show the required net area calculation assuming approximately 75% of the vent area is net area unless the actual net area is given from the manufacturer. (2317.7) Prepare a response letter showing where each item in this correction letter is addressed on the plan set. Upon resubmittal of the drawings, your application will be given priority and plan review will commence. All required submittals shall be of sufficient detail and contain sufficient information to ensure that the proposed structure will be cor;ructed in compliance with all adopted codes. Sincerely, AW Jeff Heilman Development Technician tHjdtdedia.duc(7-8)