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DATE/TIME TYPE OCCUPANCY CONST TYPE UGB: SITE: 12, BUILDING PERMIT 08/21/98 12:41 Commercial addition/alteration S-5 II-N 13, 14. 15, 16, 17. 18. 19, 20, 21, PERMIT NO 98-06929 STATUS ISSUED ISSUED 08/21/1998 TO EXPIRE 02/17/1999 PAGE 3 This is a Plan Review covering the TENANT IMPROVEMENT in the Hangar D-8 at the Aurora Airpark, Improvement consists of office and storage areas. Plans have been reviewed for compliance with the provisions of the 1996 Edition ('94 UBC) Oregon Structural Specialty Code. This Tenant Improvement consists of a new private office. two storage areas and restroom. TYPE OF CONSTRUCTION, (OSSC Sec 603,1) The existing building was classified as Type II-N construction, therefore, materials used shall be as follows: * The structural elements - noncombustible m~terials. * Floor construction - noncombustible materials, provided. however, that a wood surface or finish may be applied over such noncombustible materials. * Walls and permanent partitions - noncombustible materials. * Materials of construction and fire-resistive requirments shall be as specified in Section 601, * For requirements due to occupancy, see Chapter 3. SPECIAL HAZARD, (OSSC Sec 204,7) Storage and use of flammable and combustible liquids shall be in accordance with the Fire Code. STAIRWAY CONSTRUCTION. (OSSC Sec 602.4) Stairways in Type II-N buildings shall be of noncombustible construction. Stairways shall comply with the requirements of Chapter lO, STAIRWAY WIDTH. (OSSC Sec 1006~2) The minimum stairway width serving an occupant load of 49 or less shall not be less than 26 inches. Handrails may project into the required width a distance of 2-1/2 inches from each side of a stairway. Stringers and other projections such as trim and similar decorative features may project into the required width I-I/2 inches on each side. HANDRAILS. (OSSC Sec 1006.9) The top of handrails and handrail extensions shall be placed not less than 24 inches or more than 28 inches above the nosing of treads and landings, Handrails shall be continuous the full length of the stairs and. except for private stair- ways. at least one handrail shall extend in the direction of the stair run not less than 12 inches beyond the top riser nor less than 12 inches beyond the bottom riser. Ends shall be returned or shall terminate in newel posts or safety terminals. HANDRAILS. cont'd: The handgrip portion of handrails shall not be less than I-I/4 inches nor more than 2 inches in cross-sectional dimension or the shape shall provide an equivalent gripping surface. The handgrip portion of handrails shall have a smooth surface with no sharp corners. Handrails projecting from a wall shall have a space of not less than 1-1/2 inches between the wall and the handrail, INTERIOR STAIRWAY CONSTRUCTION. Except when enclosed usable space under stairs is prohibited by Section 1009,6. the walls and soffits of the enclosed space shall be protected on the enclosed side as required for one-hour fire-resistive construction. GUARDRAILS. (OSSC Sec 509) Unenclosed floor and roof openings, open glazed sides of stairways, landings and ramps, baclonies, which are more than 30 inches above grade or floor below, and roofs used for other than service of the building shall be protected by a guardrail. The top of guardrails shall not be less than 42 inches in height. GUARDPJNIL OPENINGS. (OSSC Sec 509.3) Open guardrails shall have intermediate rails or an ornamental pattern such that a sphere 4 inches in diameter