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• Alternate Material(s) and/or Method(s) Application Marion County Public Works I/gr SI55 Sifverton Rd NE Salem OR 97305 OREGON Phone: (503)588-5147 Fax: (503)588-7948 E-mail:Buildin•In 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:555-20-005530-STR Site Address:22285 Yellow Gate Lane,Suite 102.Aurora.Oregon Brief Description of Project: A 274 x 32'modular office for the use of a aircraft flight simulator. PROPERTY OWNER . Name:Life Flight Network Phone: ( )503-678-4364 I Fax: ( ) Address:22285 Yellow Gate Lane,Suite 102 City/State/Zip Aurora,Oregon 97002 APPLICANT-(It Other Than Owner) Name:Aron Faegre Phone: ( )503-880-1469 Fax: ( ) Address:520 SW Yamhill Street Pldl City/State/Zip Portland.I Relationship to owner:Architect and Engineer DESCRIBE THE REASON FOR THE PROPOSED ALTERNATIVE:. The modular wall system used for the interior partitions has small amounts of plywood in their construction which doesn't meet the letter of the OSSC 603.1 for Type➢-B buildings. LFN desires to use this pre-manufactured modular system as it is an efficient system and has minimal actual fuel load. The attached drawings show that the panel system is generally a rigid foam with gypsum board exterior both sides.Plywood is sandwiched within the loam T approx one quarter of lha panels. The loam complies with 603.1 12)and 2603.3 because it has a Flame Spread of 20 and a Smoke Developed 400 Page I of 2