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4. 3/8" (coarse thread) construction grade nuts <br />5. 1/2" (USS Standard) Flat washers with an inside diameter large enough to bypass the wrench <br />neck inside the carriage bolt head so no lift edge is available beneath an installed carriage bolt <br />head. <br />6. 3/8" (USS Standard) diameter flat washers for installation beneath the nut inside the building <br />7. Combination of 2"-3" deck nails and 2"-3" Star -drive screws; T-20, T-25, etc. <br />BARRIER ASSEMBLY <br />1. Plywood shall be cut to fit over the window and door openings, flash with outside of the <br />molding/trimmer stud. Application of barriers shall be completed so that all lift or pry points are <br />avoided. Plywood board shall be solid sheets without seams or joints. <br />2. The 2x4 braces shall be out to fit the horizontal dimension of the plywood. Two exterior and two <br />interior 2x4 braces shall be provided for each window and three sets for each door. <br />3. Window Assembly—Braces are located horizontally approximately 1/3 of the distance from the <br />top acid the bottom of the window. Bolt holes are located 1/3 of the length of the brace from the <br />outside edge of the windowjams, Prior to installation, the assembly should be pre -assembled and <br />3/8" holes drilled through all of the components. <br />4. Door Assembly — Door braces will be placed horizontally; one in the center of the doorway and <br />one 1/2 the distance from the center to the top and one 1/2 distance from the center to the bottom <br />of the doorway. Bolt holes are located 1/3 of the length of the brace from the outside edge of the <br />doorframe. Prior to installation, the assembly should be pre -assembled and 3/8" holes drilled <br />through all of the components. <br />5. Plywood used to cover exterior openings shall be nailed every 12" along the perimeter of the <br />frame of the window, door, or opening. <br />6. The 2x4 braces on the interior and exterior of the assemblies shall be secured using 3/8" by 12" <br />carriage bolt assemblies, Bolts shall be inserted through the predrilled holes from the exterior <br />with a 1/2" washer place against the exterior brace, a 3/8" washer is placed against the interior <br />brace. The bolt is tightened from the inside so that it slightly compresses the interior brace, The <br />2x4 Bottom Brace shall be cut to width of door trim and drilled to the floor to prevent opening, <br />7. Garage Door — the opening shall be covered with plywood and secured with a minimum of 3 - <br />inch -long deck or wood screws installed on 6 -inch centers around the circumference of the <br />opening. An interior or exterior 2x4 Bottom Brace is required to prevent it from opening and <br />drilled to the floor with masonry screws (or as appropriate), <br />NOTE: These specifications are subject to change upon case-by-case scenario. Any changes or <br />recommendations shall be discussed during the walk-through of the property prior to a <br />proposal, quote and or notice to proceed. <br />City of Santa Ana RFP 18-060 <br />Page 11 <br />