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Instruction Manual for SIMPSON Strong-Tie models including: Strong-Tie ABA44RZ, Strong-Tie ABA44RZ Adjustable and Standoff Post Bases, Adjustable and Standoff Post Bases, Standoff Post Bases, Post Bases, Bases
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DocumentDocumentSimpson Strong-Tie® Wood Construction Connectors ABA/ABU/ABW Bases and Caps C-C-2024 © 2024 SIMPSON STRONG-TIE COMPANY INC. Adjustable and Standoff Post Bases W Additional standoff bases are on p. 345. The AB series of retrofit adjustable post bases provide a 1" standoff for the post, are slotted for adjustability and can be installed with nails, Strong-Drive® SD Connector screws or bolts (ABU). Depending on the application needs, these adjustable standoff post bases are designed for versatility, cost-effectiveness and maximum uplift performance. Features: · The slot in the base enables flexible positioning around the anchor bolt, making precise post placement easier · The 1" standoff helps prevent rot at the end of the post and meets code requirements for structural posts installed in basements or exposed to weather or water splash Material: Varies (see table) Finish: ZMAX® coating and some in stainless steel Installation: · Use all specified fasteners; see General Notes. · See our Anchoring, Fastening, Restoration and Strengthening Systems for Concrete and Masonry catalog, or visit strongtie.com for retrofit anchor options, such as Titen HD®, Stainless-Steel Titen HD or SET-3GTM. · Post bases do not provide adequate resistance to prevent members from rotating about the base and therefore are not recommended for non-top-supported installations (such as fences or unbraced carports). · Place the base, cut washer(s) or load transfer plate(s) and nut(s) on the anchor bolt(s). Make any necessary adjustments to post placement and tighten the nut securely on the anchor bolt. · See strongtie.com for information on hollow column installation. ABW Place the standoff base and then the post in the ABW and fasten on three vertical sides, using nails or Strong-Drive SD Connector screws Bend up the fourth side of the ABW and fasten using the correct fasteners ABU Place the standoff base and then the post in the ABU Fasten using nails or Strong-Drive SD Connector screws or bolts (ABU88Z, ABU1010Z, ABU1212Z SDS optional) ABA Place the post in the ABA Fasten using nails or Strong-Drive SD Connector screws Codes: See p. 13 for Code Reference Key Chart H Washer supplied L ABWZ OspctrioenwalhSolDeS W H 2 load transfer plates supplied SStrIMonPgS-TOiNe® ((7533//88""AABB3UUCL112"A011n20cZZh))or L ABU88Z (other sizes similar) W L ABU44Z (other sizes similar) Washer required not supplied H W 2" min. side cover (typ.) L Anchor bolt per designer ABA44Z (other sizes similar) 2" min. side cover (typ.) Many of these products are approved for installation with Strong-Drive SD Connector screws. See pp. 362366 for more information. Typical ABWZ Installation Allowable Loads -- Beam Installation Model No. ABA24-2Z ABU46Z ABU46Z ABU46RZ ABU66Z ABU66Z ABU66RZ Nominal Beam Size Material (ga.) Base Strap Dimensions (in.) WL H Fasteners (in.) Anchor Dia. Nails Double 2x 16 16 31/8 33/8 31/8 1/2 (6) 0.148 x 21/2 Double 2x 12 12 39/16 5 7 5/8 (12) 0.162 x 31/2 4x 12 12 39/16 5 7 5/8 (12) 0.162 x 31/2 Rough 4x 12 12 4 6 63/4 5/8 (12) 0.162 x 31/2 Triple 2x 12 10 51/2 5 61/16 5/8 (12) 0.162 x 31/2 6x 12 10 51/2 5 61/16 5/8 (12) 0.162 x 31/2 Rough 6x 12 10 6 6 513/16 5/8 (12) 0.162 x 31/2 DF/SP Allowable Loads Uplift Down (160) (100) 640 4,425 2,030 8,475 2,155 9,890 2,155 9,890 1,405 12,715 1,905 12,920 1,905 12,920 SPF/HF Allowable Loads Uplift Down (160) (100) 585 3,140 1,820 6,075 1,850 7,090 1,850 7,090 1,165 9,115 1,640 11,110 1,640 11,110 Typical ABA44Z Installation Beam must extend past base center by 6" min. ½" x 7" x 10" wood structural panel shim each side of beam (footnote 5) 1. Uplift loads have been increased for earthquake or wind loading with no further increase allowed. Reduce where other loads govern. 2. Downloads may not be increased for short-term loading. 3. Specifier is to design concrete and anchorage for uplift capacity. 4. Beam depth must be a minimum of 7 1/4". 5. Shims are required for ABU46Z double 2x (1 shim) and ABU66Z triple 2x (2 shims) installations as shown in the illustration. Additional fastening of shim to beam is not required. 6. Fasteners: Nail dimensions are listed diameter by length. See pp. 2324 for fastener information. 70 2" min. side cover (typ.) Anchorage by designer ABU66Z Beam Installation Triple 2x8 beam (min.) (footnote 4) Simpson Strong-Tie® Wood Construction Connectors ABA/ABU/ABW C-C-2024 © 2024 SIMPSON STRONG-TIE COMPANY INC. Bases and Caps Adjustable and Standoff Post Bases (cont.) These products are available with additional corrosion protection. For more information, see p. 16. For stainless-steel fasteners, see p. 23. Allowable Loads -- Post Installation Many of these products are approved for installation with Strong-Drive® SD Connector screws. See pp. 362366 for more information. Model No. ABA24-2Z ABA44Z Material (ga.) Dimensions (in.) Nominal Post Size Anchor Base Strap W L H HB Dia. (in.) Fasteners Bolts Nails (in.) Qty. Dia. (in.) Double 2x4 16 16 31/8 33/8 31/8 -- 1/2 (6) 0.148 x 21/2 -- -- 4x4 16 16 39/16 33/8 31/16 -- 1/2 (6) 0.148 x 3 -- -- DF/SP Allowable Loads Uplift Nails Bolts Down (100) 630 -- 5,925 690 -- 5,925 Code Ref. ABW44Z 4x4 16 16 39/16 39/16 21/4 -- 1/2 (8) 0.148 x 3 -- -- 1,005 -- 7,180 ABU44Z 4x4 16 12 39/16 3 51/2 13/4 5/8 (12) 0.162 x 31/2 2 1/2 1,900 2,300 7,570 ABA44RZ Rough 4x4 16 16 41/16 31/8 213/16 -- 1/2 (6) 0.148 x 3 -- -- 655 -- 7,215 ABW44RZ Rough 4x4 16 16 4 41/16 115/16 -- 1/2 (8) 0.148 x 3 -- -- 835 -- 7,180 ABU44RZ Rough 4x4 16 12 41/16 3 51/4 11/2 5/8 (12) 0.162 x 31/2 2 1/2 1,900 2,300 7,570 ABA46Z ABW46Z 4x6 14 14 39/16 53/16 31/8 -- 5/8 (8) 0.162 x 31/2 -- -- 870 -- 10,500 4x6 12 16 39/16 59/16 3 -- 1/2 (10) 0.148 x 3 -- -- 845 -- 4,590 ABU46Z 4x6 12 12 39/16 5 7 25/8 5/8 (12) 0.162 x 31/2 2 1/2 2,405 2,265 12,520 ABA46RZ Rough 4x6 14 14 41/16 53/16 27/8 -- 5/8 (8) 0.162 x 31/2 -- -- 870 -- 10,695 ABW46RZ Rough 4x6 12 16 4 6 213/16 -- 1/2 (10) 0.148 x 3 -- -- 780 -- 4,590 ABU46RZ Rough 4x6 12 12 41/16 5 63/4 23/8 5/8 (12) 0.162 x 31/2 2 1/2 2,405 2,265 12,520 ABU5-5Z ABU5-6Z ABU65Z 51/8 x 51/8 12 10 51/4 5 61/16 13/4 5/8 (12) 0.162 x 31/2 2 1/2 2,235 2,235 10,570 IBC®, 5 1/8 x 6 12 10 61/8 5 61/16 13/4 5/8 (12) 0.162 x 31/2 2 1/2 2,235 2,235 10,570 FL, 5 1/2 x 5 12 10 51/2 5 61/16 13/4 5/8 (12) 0.162 x 31/2 -- -- 2,475 LA -- 10,960 ABA66Z 6x6 14 14 51/2 53/8 31/8 -- 5/8 (8) 0.162 x 31/2 -- -- 920 -- 11,415 ABW66Z 6x6 12 14 51/2 59/16 3 -- 1/2 (12) 0.148 x 3 -- -- 1,190 -- 12,935 ABU66Z 6x6 12 10 51/2 5 61/16 13/4 5/8 (12) 0.162 x 31/2 2 1/2 2,475 2,190 18,205 ABA66RZ Rough 6x6 14 14 6 53/16 27/8 -- 5/8 (8) 0.162 x 31/2 -- -- 920 -- 11,415 ABW66RZ Rough 6x6 12 14 6 6 213/16 -- 1/2 (12) 0.148 x 3 -- -- 1,190 -- 12,935 ABU66RZ ABW7-7Z Rough 6x6 12 71/8 x 71/8 12 10 61/16 5 513/16 11/2 5/8 (12) 0.162 x 31/2 2 1/2 2,475 2,190 18,205 14 75/16 75/16 3 -- 1/2 (12) 0.148 x 3 -- -- 840 -- 14,530 ABU88Z 8x8 14 12 71/2 7 7 -- (2) 5/8 (18) 0.162 x 31/2 -- -- 4,120 -- 22,405 ABU88RZ Rough 8x8 14 12 8 7 63/4 -- (2) 5/8 (18) 0.162 x 31/2 -- -- 4,045 -- 19,870 ABU1010Z 10x10 14 12 91/2 9 71/4 -- (2) 5/8 (22) 0.162 x 31/2 -- -- 2,270 -- 32,020 ABU1010RZ Rough 10x10 14 12 10 9 7 -- (2) 5/8 (22) 0.162 x 31/2 -- -- 1,830 -- 31,650 ABU1212Z 12x12 12 12 111/2 11 71/4 -- (2) 5/8 (22) 0.162 x 31/2 -- -- 3,000 -- 34,745 ABU1212RZ Rough 12x12 12 12 12 11 7 -- (2) 5/8 (22) 0.162 x 31/2 -- -- 3,000 -- 34,745 1. Uplift loads have been increased for earthquake or wind loading with no further increase allowed. Reduce where other loads govern. 2. Downloads may not be increased for short-term loading. 3. Specifier is to design concrete and anchorage for uplift loads. 4. Some ABU products may be installed with either bolts or nails (not both) to achieve table loads. ABU88Z, ABU88RZ, ABU1010Z, ABU1010RZ, ABU1212Z and ABU1212RZ may be installed with eight 1/4" x 3" Strong-Drive SDS Heavy-Duty Connector screws (sold separately) for the same table load. 5. All references to bolts are for structural-quality through bolts (not lag screws or carriage bolts) equal to or better than ASTM A307, Grade A. 6. For higher downloads, pack grout solid under 1" standoff plate before installation. Base download on column or concrete, according to the code. 7. HB dimension is the distance from the bottom of the post up to the first bolt hole. 8. Structural composite lumber columns have sides that show either the wide face or the edges of the lumber strands/veneers. For SCL columns, the fasteners for these products should always be installed in the wide face. See technical bulletin T-C-SCLCLM at strongtie.com for more information. 9. Downloads shall be reduced where limited by allowable loads of the post. 10. Fasteners: Nail dimensions are listed diameter by length. See pp. 2324 for fastener information. 71