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• Alternate Material(s) and/or Method(s) Application Marion County Public Works 411.1 Marra: 5155 Silverton Rd NE couirry Salem OR 97305 ORFGON Phone: (503) 588-5147 Fax: (503) 588-7948 E-mail:Building@co.marion.or.us 104.11 Alternative materials, design and methods of construction and equipment. The provisions of this code are not intended to prevent the installation of any material or to prohibit any design or method of construction not specifically prescribed by this code, provided that any such alternative has been approved. An alternative material, design or method of construction shall be approved where the building official finds that the proposed design is satisfactory and complies with the intent of the provisions of this code, and that the material, method or work offered is, for the purpose intended, at least the equivalent of that prescribed in this code in quality, strength, effectiveness, fire resistance, durability and safety. 104.11.1 Research reports. Supporting data, where necessary to assist in the approval of materials or assemblies not specifically provided for in this code, shall consist of valid research reports from approved sources. 104.11.2 Tests. Whenever there is insufficient evidence of compliance with the provisions of this code, or evidence that a material or method does not conform to the requirements of this code, or in order to substantiate claims for alternative materials or methods, the building official shall have the authority to require tests as evidence of compliance to be made at no expense to the jurisdiction. Test methods shall be as specified in this code or by other recognized test standards. In the absence of recognized and accepted test methods, the building official shall approve the testing procedures. Tests shall be performed by an approved agency. Reports of such tests shall be retained by the building official for the period required for retention of ",public records. PROJECT INFORMATION AND LOCATION Permit or Activity Number: ' <-- j %if ball Ire)? - s-ri' Site Address:595 chemawa Road N. Keizer,OR 97303 Brief Description of Project: Addition and remodel of MCNary High School PROPERTY OWNER Name:Salem Kamer School District-Joel Smallwood Phone: ( )909J91-1133 Fax: ( ) Address:3630 State St. City/State/Zip Salem,OR 97301 APPLICANT-(If Other Than Owner) Name:Andersen Shirley Architects-John Shirley Phone: ( )503371-1140 Fax: ( ) Address:695 Commercial St.SE 65 Salem,DR 97301 City/State/Zip Salem. Relationship to owner: Architect DESCRIBE THE REASON FOR THE PROPOSED ALTERNATIVE: The south addition to the existing building includes administrative offices and a secure vestibule. To enable visual supervision of the entry vestibule and maximize student safety, the vestibule and front office area is proposed to be constructed with as much glass as possible and minimal solid walls. Some of these walls will also function as 2 hour fire barriers which will provide a lire separation from the existing building.avoiding an Increase to the We area of the existing building. The openings In these walls es proposed will exceed the limits of CSSG 717 fi. In order to simultaneously meet the need for visual transparency and fire protection,we are proposing the use of window sprinklers on the fixed glazing to achieve the required 2 hour fire rating. Page 1 of 2