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• Alternate Material(s) and/or Method(s) Application Marion County Public Works Marion 5155 Silverton Rd NE county Salem OR 97305 OREGON Phone: (503) 588-5147 Fax:(503)588-7948 E-mail: Buildin carnaaon,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 ` Oublic records. �.. PROJECT INFORMATION AND LOCATION Permit or Activity Number:i 555-22-006911-15-16-17-18-STR Site Address: 4044, 4046, 4048, 4050 4052 HAYESVILLE DR NE Brief Description of Project: multi family project PROPERTY OWNER Name: SPRING WOODS APARTMENTS LLD - Phone: ( ) Fax: ( ) Address:3842 NW MCINTOSH RD l City/State/Zip CAMAS,WA 98607 APPLICANT—(If Other Than Owner) Name:Ronald Pad Phone: ( )5033631456 Fax: ( ) Address:1504 s Lakeside Drive City/State/Zip 97381 Silverton Relationship to owner:Architect DESCRIBE THE REASON FOR THE PROPOSED ALTERNATIVE: While lire rating between units have the appropriate rating,the STC between units is inquestion because the wrong gypsum wall board in a proprietary assembly. GA File EC 5414 includes Georgia Pacific 5411 Tough Rock Firegaurd.(product installed).EC 5414 does not include Insulation in the floor,consequently the STC does not meet the min mum ci 50.The attached calculation on sheet A3.t damenVlltes the calculated STC that exceeds the minimum Page 1 of2