Page 44 of Wood Construction Connectors 2006 Catalog by Simpson Strong-Tie

SPALL REDUCTION SYSTEM FOR PAHD AND HPAHD Keyhole Feature U.S. Patent 6,658,806 SM1 45 Anchors PA/PAHD/HPAHD Strap Tie Holdowns Typical PAHD42 before the Concrete Pour INSTALLATION 1 Typical HPAHD Single Pour Edge Installation INSTALLATION 2 Typical HPAHD Single Pour Corner and Endwall Installation SINGLE POUR INSTALLATIONS TWO POUR INSTALLATIONS STRAP STYLE HOLDOWN le 4" SLAB MAX. HORIZONTAL PROJECTION OF EMBEDDED PORTION OF STRAP HOLDOWN LOCATE ONE #4 REBAR WITHIN HATCHED AREA (MAY BE FOUNDATION REBAR) DOES NOT NEED TO BE TIED TO REBAR * CONCRETE FOUNDATION BY OTHERS Two Pour Rebar Installation *Maintain minimum rebar cover, per ACI-318 concrete code requirements. Spalling may occur if the anchor is bent horizontally 90 before installation, and then bent up vertically to attach to the stud. Load reduction may apply. Typical PA51 Installation (PA68 similar) INSTALLATION 4 Typical HPAHD22-2P Two Pour Edge Installation. Unless noted, install other models with bend embedment line at cold joint between slab and foundation. INSTALLATION 5 Typical HPAHD Two Pour Corner Installation FEATURES Secures holdown to wood form-board. Allows for proper side-cover. Keeps strap vertical. Prevents tilting or twisting of strap during the concrete pour. Uses one 16d duplex nail. BENEFITS Greatly reduces spalling and costly retrofits. Helps prevent strap movement parallel and perpendicular to plate. Decreases possibility of misinstallation of strap to wood member. Simple to use: Common jobsite nail. - No additional expense. When using keyhole feature, care should be taken when removing form boards. If concrete is not set, the duplex nail will move the strap placement. SPALLING! Spalling may occur if the anchor is bent horizontally 90 before installation, and then bent up vertically to attach to the stud. Load reduction may apply. le LOCATE ONE #4 REBAR WITHIN HATCHED AREA (MAY BE FOUNDATION REBAR) * CONCRETE FOUNDATION BY OTHERS STRAP STYLE HOLDOWN HORIZONTAL PROJECTION OF EMBEDDDED PORTION OF STRAP HOLDOWN Single Pour Rebar Installation *Maintain minimum rebar cover, per ACI-318 concrete code requirements. INSTALLATION 3 Typical HPAHD Single Pour Rim Joist Installation (Reduce allowable load based on quantity of effective nails used.)

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