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' <br /> E. Research reports or evaluation reports of the model code organization acceptable to � <br /> au#horities having jurisc�iction�videncing compiiance of t12e following wood products with <br /> specified requirements and building code in effect for Project. <br /> 1. Engineered wood products. � <br /> 2. Air infillration bazriers. <br /> 3. Metal framing anchors. <br /> 4. Power driven fasteners. , <br /> 5. Treated wood praducts. <br /> 1.5 QUALITY ASSURANCE <br /> A. Single-SourceResponsibilityforEngineeredWoodProducts: Obtaineachtypeofengineered � <br /> wood products fram one soarce from a single manufachtter. <br /> B. Single-Sonrce Responsibitity for Treated Wood: Obta.in ireated wood products from orte � <br /> source. <br /> 1.6 DELNERY, STORAGE,AND HANDLING , <br /> A. Delivery and Storage: Keep materials under cover and dry. Protect against exposure to <br /> weather and contact with damp or wet surfaces. Stack lumber as weit as piywood and other <br /> panels;provide for air circulation within and around stacks and under temporary coverings ' <br /> inclvding polyethylsne and similar materials. <br /> 1. For lumber and plywood pressure h�eated with waterborne chemicals,place spacers � ' <br /> between each bundle to provide air circulation. <br /> PART 2-PRODUCTS <br /> 2.1 LUMBER,GENERAL I <br /> A. LumberStandards: FurnishlumbermanufacturedtocomplywithPS20"AmericanSoftwood , <br /> Lumber Standard° and wit� applicable gradiag rales of inspection agencies certifed by <br /> American Lumber Standards Committee's(ALSC)Board of Review. <br /> 1. SPIB-Southern Pine Inspection Bureau. � <br /> 2. WCLIB-West Coast Lwnber Inspection Bureau. <br /> 3. 1NWPA-Western Wood Products Association. <br /> B. Grade Stamps: Provide lumber with each piece factory-marked with grade stamp of t <br /> inspection agency evidencing compliance with grading rule requirements and identifying <br /> grading agency,grade,species,moisture content at time of surfscing,and mill. <br /> I. For exposed lumber furnish pieces with grade stamps applied to ends or back of each ' <br /> piece; or omit gra�de staraps entirely and provide certificates of grade compliance <br /> issued hy inspection agency. , <br /> C. Nominal sizes are indicabed,except as shown by detail dimensions. Provide actual sizes as <br /> required by PS 20,for moisture content specified for each use. <br /> 1. Provide dressed Iuznber,S4S,unless otherwise indicated. , <br /> 2. Provide seasaned lumber with 19 percent �aximum moisture content at time of <br /> dressing and shipment for sizes 2 inches or less in nominal thickness, unless ' <br /> otherwise indicated. <br /> ROUGH CARPENTRY Page 2 of 7 , <br /> ' <br />