HCI ENVIRONMENTAL & ENGINEERING SERVICES (HUNTER CONSULTING)

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1 CITY OF SANTA ANA 5) 1f2" (USS Standard) Flat washers with an inside diameter large enough to bypass the wrench neck inside the carriage bolt head so no lift edge is available beneath an installed carriage bolt head. 6) 3/8" (USS Standard) diameter flat washers for installation beneath the nut inside the building 7) Combination of 2"-3" deck nails and 2"-3" Star-drive screws; T-20, T-25, etc. C. Barrier Assembly 1) Plywood shall be cut to fit over the window and door openings, flush with outside of the molding/trimmer stud.Application of barriers shall be completed so that all lift or pry points are avoided. Plywood board shall be solid sheets without seams or joints. 2) The 2x4 braces shall be cut to fit the horizontal dimension of the plywood. Two exterior and two interior 2x4 braces shall be provided for each window and three sets for each door. 3) Window Assembly — Braces are located horizontally approximately 113 of the distance from the top and the bottom of the window. Bolt holes are located 113 of the length of the brace from the outside edge of the windowjams. Prior to installation, the assembly should be pre-assembled and 318" holes drilled through all of the components. 4) Door Assembly—Door braces will be placed horizontally; one in the center of the doorway and one 112 the distance from the center to the top and one 112 distance from the center to the bottom of the doorway. Bolt holes are located 113 of the length of the brace from the outside edge of the doorframe. Prior to installation, the assembly should be pre- assembled and 318" holes drilled through all of the components. 5) Plywood used to cover exterior openings shall be nailed every 12" along the perimeter of the frame of the window, door, or opening. 6) The 2x4 braces on the interior and exterior of the assemblies shall be secured using 318" by 12" carriage bolt assemblies. Bolts shall be inserted through the predrilled holes from the exterior with a 1f2" washer place against the exterior brace, a 318" washer is placed against the interior brace. The bolt is tightened from the inside so that it slightly compresses the interior brace. The 2x4 Bottom Brace shall be cut to width of door trim and drilled to the floor to prevent opening. 7) Garage Door— the opening shall be covered with plywood and secured with a minimum of 3-inch-long deck or wood screws installed on 6-inch centers around the circumference of the opening. An interior or exterior 2x4 Bottom Brace is required to prevent it from opening and drilled to the floor with masonry screws (or as appropriate). NOTE: These specifications are subject to change upon case-by-case scenario. Any changes or recommendations shall be discussed during the walk-through of the property prior to a proposal, quote and or notice to proceed.