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ROUGH CARPENTRY <br />Section 06100 <br />15-1207 <br />D. Wood Preservative: <br />1. General: Per American Wood Preservers' Association (AWPA) Standards; all pressure <br />treated wood shall be marked or branded to indicate the treatment is as specified. <br />Treated lumber shall be handled on site per AWPA standard M4. <br />2. Exposed Wood : Where pressure treated wood is exposed so that it may come in <br />contact with people, (as for example, playground and recreational equipment, <br />handrails, outdoor benches and tables, walking decks and other portions of exterior <br />walkways, poles and posts, trellises and the like) the use of pentachlorophenol and <br />creosote is prohibited as the preservative. For these exposures, limit the use of <br />preservatives containing arsenic or derivatives thereof to Ammoniacal Copper <br />Arsenate (ACA) or Ammoniacal Copper Zinc Arsenate (ACZA) treated in accordance <br />with Standard U1 of the American Wood Preservers' Association provided that as <br />originally installed the wood is sealed with a nontoxic and non -slippery sealer. <br />3. Concealed Wood, Use Category UC1 & UC2: Where pressure treated wood is <br />prevented from coming into contact with people in its normal service by reason of its <br />finishes; (as for example, sill plates covered by sheathing and/or plaster or wallboard) <br />the preservative shall be Borate (SBX) with at least 0.17pcf retention; all in accordance <br />with Standard U1 of the American Wood Preservers' Association. <br />4. Paint -on Application: Treatment specified for certain items of work where pressure <br />treatment has been damaged by field cuts or bored holes: Copper Naphthenate in <br />penetrating oil similar and equal to Green's Products Co., "Copper -Green". <br />5. Fire Retardant treated plywood shall be treated in accordance with CBC, AWPA and <br />ASTM Standards and shall be identified with stamp and label per CBC 2303.2.1. <br />E. Fastenings: <br />1. Nails: ASTM F1667; common steel wire; use galvanized nails for exterior work, <br />excluding pressure -treated materials. When nailing into pressure -treated materials <br />(exterior or interior work), nails shall be hot -dipped galvanized in accordance with <br />ASTM A153, Class D. For other exterior work not requiring nailing into pressure - <br />treated materials, galvanized zinc coating can be in accordance with ASTM A153, <br />Class D, or ASTM B695, Class 55. Box and sinker nails are not permitted. Ring shank <br />(or accepted equal) nails must be used for plywood floors and for all ceiling stripping. <br />2. Bolts: Machine bolts, unless noted otherwise (ASTM A-307, Grade A). Rolled -body <br />bolts with upset threads not permitted. <br />3. Lag Screws: ANSI Standard B18.2.1 <br />4. Wood Screws: ANSI Standard 1318.6.1; use galvanized type for exterior work <br />5. Washers: Use for all bolts or lag screws bearing on wood. Malleable iron or steel <br />washer at head and nut as shown on Drawings. Washers not required under heads of <br />carriage bolt, but nut shall have cut washers. <br />6. Adhesive for Plywood Floor Sheathing: Conform to APA-AFG-01. <br />7. Drilled -in Concrete Anchors: Hilti "Kwik Bolt TZ" (ICC Report No. ESR -1917), Simpson <br />Strong -Tie "Strong Bolt" (RCC Report No. ESR -1771), or accepted equal; stainless <br />steel for all exterior work; testing required. <br />8. Drilled -in Masonry Anchors: Hilti "Kwik Bolt 3" (ICC Report No. ESR -1385), Simpson <br />Strong -Tie "Wedge All" (ICC Report No. ESR -1396), or accepted equal; stainless steel <br />for all exterior work; testing required. <br />9. Epoxy Anchors: <br />4 <br />