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HomeMy WebLinkAbout2501 N Santiago St - 101122623 - PlanPrepared By Name: Socal Seismic Construction Phone: 323-770-9611 Email: info@socalseismic.com Address: 5850 Canoga Ave #400, Woodland Hills CA 91367 Property Owner Information Email: prakash@chapman.edu Phone: 714-292-0625 Name: Anuradha Prakash Address: 2501 Santiago Street, Santa Ana, CA 92706 Bldg #101122623 APPROVALS: PLNG - C. Santana BLDG - K. Ahangian 2501 N Santiago St 4/14/2025 G E N E R A L N O T E S A. PURPOSE The intent of this standard plan is to promote public safety and welfare by reducing the risk of earthquake Induced damage In existing wood frame residential buDdlngs. The requirements represented here ore minimum prescriptive standards which do not meet the requirements for new buildings. These standards ore intended to improve the seismic performance of these existing buildings but will no t necessarlly prevent their damage In cm earthquake. Their primary purpose is to reduce the likelihood that these bulldlngs wlll fall off their foundations. (per Oiopter 92 of the Los Angeles BuHdlng Code) 8. SCOPE These standards apply to one, two and three story resldentlol buildings with raised wood floors If they meet the following criteria: 1) cripple wall heights do not exceed 48 Inches In one or two story buildings and do not exceed 14 inch stud height in three story buildings 2) the building ls supported at Its perimeter by a continuous concrete footing and stem well 3 ) all o f the floors in each story ore at the same elevation. 4) the ma,clmum number of dwelling units and/or guest rooms Is four. 5) the cripple walls ore sheathed with materials other than wood structural panels or diagonal sheathing. 6) no portion of the building is constructed over o elope steeper than 3 horizontal to 1 vertical. C. GENERAL REQUIREMENTS PERMIT REQUIREMENTS: All work shown on these plans requires a building permit. PRE-INSPECTION REQUIREMENTS: None INSPECTION REQUIREMENlS: All footing excavations and placement of reinforcing steel and anchor bolts In formwork shall be Inspected prior to pouring of concrete for replacement footings and stem walls. All cripple wall bracing, blocking, connectors and anchors In existing concrete shall be inspected after the work ls completed but before the screens for the ventllotlon holes at the sill plate anchors are completely fastened. DEPUTY INSPECTION: None STRUCTURAL OBSERVATION: None D. DEFINITIONS ADHESIVE ANCHOR is a fastener placed in hardened concrete that derives Its holding strength from a chemical 0dhesive compound placed between the wall o f the hole and the embedded portion of the anchor. Chemlcal adhesive compounds are organic compounds. comprised of resin and hardener, that form adhesives when blended together. Examples of chemical adhesive compounds can Include epoxies, pol)Urethcmes. polyesters, meth)'t methoa-)'tates and vinylesters. ANCHOR SIPE PLAT£ Is a metal plate or plates used to connect the sill plate or floor framing to the side of a concrete stem wall when conditions prevent anchor or bait installation vertically through the am plate. APPROVAL Is current product acceptance under a City of Los Angeles Research Report for all of the conditions of the Intended use except continuous inspection of anchors. BOLT RING i s a metal or plastic piece of pipe placed around a bolt In a wood sll plate to fill In the annular space created by on oversized drilled hole. EMBEDMENT DEPTH Is the depth of the anchor Into the concrete prior to setting of the anchor EXPANSION ANCHOR Is a mechanical fastener placed ln hardened cona-ete designed to expcind In a self-drilled or pre-drilled hole of a specified size and engage the sides of the hole in one or more locations to develop shear cind/or tension resistance to applied loads without grout. cidheslve o r dr~ack. INSTAI I ATION IDROUE Is the minimum moment applied to a torque-set anchor that creates the degree of anchorage required for full load values. M INIMUM CONCRElE EDGE DISTANCE Is the measure between the free edge of the concrete and the centerline of the bolt at which the concrete will no t break away when th e anchor is set or loaded in service. Minimum edge distances for anchors are given In th e product approval. SNUG TIGHT Is the condition when the full surface of the plate washer Is in contact with the wood member and begins to slightly Indent the wood surface. TORQUE-SET ANCHOR Is an expansion anchor whose wedge or sleeve engages the concrete base material In the drilled hole by the oppllcotlon of torque and where the amount of torque applied controls the degree of anchorage. E. MATERIALS ADHESIVE ANCHOR ROD M ATERIALS: All adhesive anchors shall use all-thread rod mcr,ufacfured from ASTM A193, grade B7, ASTM A36, or as specified In approved research report. All thread rods shall be free of oil, scale and rust. The use of smooth or partially threaded rods or bolts is prohibited. ADHESIVE PACKAGING: The packaging for each adhesive shall be marked with the manufacturer's name and address, lot number or date of packaging, shelf life or expiration date, name of the quality control agency, and instructions for installation. No adhesive shall be used ofter lta expiration dote. ANCHORS; All adhesive or expansion anchors shall hove a minimum normal lood capacity of 635 lbs for 1 /2 Inch bolts and 980 lbs. for 5 /8 inch bolts In 2000 psi concrete at the Installed edge distance and depth of embedment. All proprietary 0nchors shall hove current City of Los Angeles Research Report approval. Comply with all conditions of LARR for approval. ANCHOR SIDE PLATE: All anchor side plates shall be of minimum 7 gauge steel (3/16 inch) unless otherwise approved (i.e. 12 gouge in a Research Report) and galvanized when exposed to weather. The minimum seismic adj.Jsted load capacity for shear in the direction of the slll plate must meet or exceed a capacity of 1275 lbs. when substituted for 5 /8 Inch bolts and 840 lbs when substituted for 1 /2 Inch bolts. other products with lower approved capacities may be used If their required spacing ls reduced proportionately by the ratio of their strength to the strength requirement above. (I.e. [ 400 lbs /840 lbs] x 72 In. o.c. = use 34 In o.c. Instead of 72 In o.c. for one story on anchor side plate with allowable value of 400 lbs Instead of 840 lbs or greater). Anchor side plates shall be attached to the concrete stem wall with a minimum of 2 - 1 /2 Inch approved anchors. The number of expansion or adhesive anchors used must hove a total shear capacity in concrete aqua or greater to the value for the foundation anchor requirement above.I BOLT RINGS: B olt rings shall be of schedule 40 galVC1nlzed Iron or PVC pipe CONCRE'IE: All new cona-ete for replacement footings shall be of 2500 psi minimum compressive strength. No epeclol inspection is required. FASTENERS IN PRESERVAllVE TREATED WOOD: Fasteners In preservative-treated wood shall be of hot dipped zinc-c0C1ted galvanized steel, stainless steel.silicone bronze, or copper. The zinc coating weights shall be In accordance with ASlM A 153 FRAMING ANCHORS: All framin.s, anchors shall be of minimum 18 gouge galVC1nized steal, of 4 - ~ Inch length and approved under a City of Los Angeles Research Report for wood frame construction. The seismic load capacity in the long direction must meet or exceed 450 lbs in dry lumber. The fasteners must be 1 2- 8d common x t i inch nails unless otherwise approved. f/6 x 1.5 inch flat head wood screws may be used at existing rlm joist, blocking or top plate connections. WM BER: All new lumber installed for blocking shall be o minimum of nominal two Inch Douglas Fir-Larch f 2 or better as graded under Western Wood Products Grading Rules. All lumber in contact with concrete shall be pressure treated douglas fir-larch for new stem walls and for sill plate replacements over 10X of the wall length. Replacement of sill plote less than 1 0 " of the wall length may use the some lumber species as the existing material. All existing lumber shall be free of defects Including dryrot, mildew, excessive wane, warping and insect infestation or damage. Damaged lumber must be replaced and the source of water or insect Intrusion removed. PLATE WASHERS: Square plate washers are required. Use 3/16 x 2 x 2 for 1 /2 Inch anchors and 1/4"x 2.5"x2.5"for 5 /8 Inch anchors. Standard circular cut washers shall not be used to connect alll plates to concrete stem walls. Washers furnished with the proprietary anchors shall not be ued. Beveled washers shall be used on anchors drilled at an angle exceeding 6 degrees from vertical and shall be placed over the plate washers. REINFORCING BAR: ASTM A615 Grade 40 or 60 SHEATHING; All wood structuol panel sheathing shall be graded ond conform to the requirmnerits for their t~ e in DOC PS 1 -95 or DOC PS 2 -92. All wood structural panel sheathing used for wall bracing shall be 15/32 inch APA roted sheathing, Exposure 1 with a span rating of 32/16. Plywood shall be minimum 5 ply construction. SHEATHING FASlENERS: Nalls shall be 8d common (.131 Inch x2-1/2 Inch) with full heads (.281 Inch) on Interior or covered sheathing. # 6 x 1-1 /2 Inch wood a crews may be substituted on Interior sheathing when plaster exists on the exterior side of the cripple wall. See requirements for fasteners In preservative treated wood. F. REPLACEMENT OF EXISTING FOOTINGS & STEM WALLS 1. Deteriorated, cracked or unrelnforded masonry footings may be replaced as shown on this pion provided proper shoring ls provided. The method of shoring and sequence of Its construction shall be the responslblllty of the person performing the work and shall not weaken the structure so as to be a threat to the safety of its occupants or passers n8Clrby. 2. When existing footings and stem walls are replaced in sections, the pen,on performing the work shall toke care to Insure that all reinforcing steel shall be lapped a minimum of 24 inches and shall be dowelled into the exlsitng concrete with adhesive or dr~ack a minimum of 8 Inches. 3. The repair of damaged footings or stem walls or the continued use of archaic building materials such as unreinforced masonry, requires that plans and calculations be prepared by a licensed architect or engineer. G. ANCHOR BOLT INSTALLATION 1. GENERAL REQUIREMENTS A) CONDITION OF EXISTING CONCRETE: All concrete shall be fully cured and hardened, uncracked and in sound condition. Concrete with excessive cracking, deterioration or damage shall be replaced. B) DRIWNG OF THE HOLE IN CONCRETE: The drilled hole diameter and minimums for spacing, depth of hole and edge distance must comply with the Research Report approval and manufacturer's recommendations. All holes shall be drllled with carbide-tipped drlll bits conforming to ANSI Speclflcotlon B212.15-1994 tole<onceo. (1/2 · 0.520-0.530. 5 /8 · 0.650-0.660 Inch) Worn drill bits with reduced diameters below the ANSI tolerance limits shall not be used. All holes shall be driven as perpendicular as possible to the concrete surface. Right angle drill motors shall be used as needed to provide the proper hole orientation. C) DRIWNG OE TI-IE HOLE IN WOOD; Drilled holes through existing sill plates shall normally be located In the middle third of the plate width. The minio,um edge distonce for the bolt from the wood edge shall be 11.l b olt diameters. Anchors or bolts shall be placed within 12 Inches but not less than 9 Inches from both ends of all sll plate members. Pl CHOICE OF USE O f ADHESIVE OR EXPANSION ANCHORS: Only products approved by the Department (refer to the attachment for the list of approved products and materials of construction) may be used for the retrofit of crlpplewoll wortcs. Both types of anchors may be used Interchangeably ln concrete of average or better quality. Cona-ete of weaker quality may be Indicated by spalllng during drDllng o r setting of e,cpanslon anchors or failure of anchors to reach the minimum torque required. Concrete of weaker quality must use adhesive anchors. This requirement does not waive the need to replace existing concrete foundations when damaged, deterionJted, or of unsuitable quallty. 2. REQUIREMENTS FOR ADHESIVE ANCHORS A) CLEANING OF THE HOLE: The hole must be cleaned with a jet of compressed air and a nyloo brush. Wire brushes shall not be used to clean the hole. No debris or dust shall remain In the hole. B~ PLACEMENT OF THE ADHESIVE: The resin, filler and hardener s ail be thoroughly mixed before placement in the hole unless approved to be m hced in the hole. Compounds dispensed through a static mixing nozzle must be of uniform color. Ensure uniform color by eKtrudlng a small amount of adhesive untn color by mcinuol or pnuemotlc means from the bottom of the hole upward uniformity Is achieved. Adhesive added to the hole shall be applled at a slow enough rate to prevent the formation of air voids. The amount of adhesive shall be sufficient to completely flll the threads and annular space about the threaded rod In both the concrete and any existing wood sill plate. Adhesives must be installed within the manufacturer's recommended temperature range for the air and concrete. C) PLACEMENT OF THE THREADED ROD: The all thread rod, completely free of rust, scale or oil, shall be Installed to the full depth of the hole. The rod shall be turned counter-clock.wise sufficiently during installation for the adhesive to engage the threads. The length of the rod shall extend a minimum of one rod diameter above the nut ofter tlghterilng. D) ADHESIVE SETTING TIME: No torquing of the anchors shall occur until the adhesive hos cured for the recommended time based on the temperature as shown In the manufacturer's Instructions. Care must be used to insure that the anchor bond is not disturbed until the adhesive hos sufficiently cured. E} TORQUE REQUIREMENTS: A m inimum torque setting of 30 ft lbs. for 1 /2 Inch mchors and 40 ft lbs. for 5 /8 anchors la required for all adhesive anchors for the snug tight condition unless this value exceeds the maximum torque allowed by the opprovol. In those cases, the torque shall be set to Its maximum allowable value. 3. REQUIREMENTS FOR EXPANSION ANCHORS A) DRIWNG OF THE HOLE: Core must be used to insure that the drilled hole carefully matches the depth and diameter requirements for the expansion anchor t_)Pe. The depth of the hole cannot exceed 2/3 of the concrete thickness in th e direction of the drilled hole. This ls critical at the appllcotlon of anchor side plates to full height concrete stem walls. B) CLEANING OF l HE HOLE: Unless otherwise required by the manufacturer's recommendations, the drilled hale may be deepened to allow the concrete debris to remain In th e hole provided the hole does not exceed 2/3 of the concrete thickness In the direction of the drilled hole. The depth required for embedment must be free of debris. This rule does not apply to drop-In anchors that rely on the bottom of a clean drilled hole to set the expansion element C) USE OF THE BOLT RING: B olt rings shall be required to be Installed when the drDled hole ln the wood m ember exceeds the bolt diameter by more thm 1 /8 inch. The length of the bolt ring shall be approximately equal to the thickness of the sDI plate. Chemical compounds used In adhesive anchors may be substituted for bolt rings. P) TORQUE REQUIREMENTS; A minimum torque setting equal to the lnstollotlon torque or 30 ft lbs. for 1 /2 Inch anchors and 40 ft lbs. for 5 /8 anchors, whichever Is greater, Is required for all expansion anchors unless this value exceeds the maximum torque allowed by the approval. In those coses, the torque shall be set to Its maximum allowable value. H. ANCHOR SIDE PLATE INSTALLATION 1. Anchor side plates may be substituted for vertlcally placed anchors or bolts only when conditions prevent anchor or bolt installation vertically through the am plate even with a right angle drill motor.This condition commonly occurs when there Is no cripple wall or one of greatly reduced height. 2. A minimum of two anchor side plates must be Installed on each piece of sill plate 32 inches or longer. The nearest edge of the plate shall be Installed a minimum of 8 inches but not more than 12 inches from the end of the sill plate. 3. Installation of the anchor bolts In the existing concrete shall follow the information in Section F except as noted herein. Care shall be used to Insure the drilled hole depth does not exceed 2/3rds of the stem wall thickness when using expansion anchors. Cleaning of the hole may be required for these expansion anchors due to the limited stem wall thickness ovalloble ta overdrlll the hole. 4. Lag screws used to attach anchor aide plates shall be Installed as follows: o) the lag sa-ew shall be located at the center of the plat,~ thickness and shall penetrate the sill plate o minimum of 2.2 inches. b) lead holes shall be pre-drilled for the threaded portion of the screw. The pre-drill diameter for the lecid hole shall not exceed 7 0 " of the shank diameter and shall be drilled to the full depth of penetration of the lag screw. Use a 1 /4 Inch diameter drlll bit for 3 /8 Inch lag screws and 1 /8 Inch drlll bit for 1 /4 Inch lag screws. c) clearance holes shall also be drilled for the solid portion of the shank. The clearance hole shall be equal In depth and diameter to the solid portion of the shank. d) the threoded portion of the lag screw shall be inserted in l ts lead hole by turning with a wrench ond not by driving with a hammer or other blunt object. e) soap or other lubricant shall be used on the lag screws or in the lead holes for ease of Installation and to prevent damage to the lag screw. 5. Wood screws used to attach anchor side plates shall be installed as follows: a) wood screws shall be located at the center of the plate thickness and shall penetrate the sill plate a minimum of ~ inches. b) lead holes shall be pre-drilled for the threaded portion of the screw. the pre-drill diameter for the lead hole shall be about 7 /8 th of the diameter of the screw at the root of the thread (mimimum solid diameter). Use 1 /8 inch for #14 screws.) c) clecirence holes shall also be drilled for solid/aortlon of the shank. The clearance hole shall be about 7 8ths of the diameter of the solid portion of the shank. Use a 3/16 Inch drill bit for # 14 sa-ews. d) the threaded portion of the wood sa-ew shall be Inserted In I ts lead hole by turning with a wrench and not by driving with a hammer or other blunt object. e) soap or other lubricant shall be used on the wood screws or In the lead holes for ease of lnstallatlon and to prevent damage to the wood screw. 6. Shims may be used on sill plates for single plate anchors when the space exceed 3/16'" and Is less than 3/4'". Shim requirements greeter than 3 /4 Inch shall use two plate or curved plate connections unless otherwise approved. I. BRACING, FRAMING ANCHORS & VENTILATION 1. Framing members or 2X4 blocklng shall be provided at the edge of all wood structural sheathing. 2. Nans or screws shall be centered In the framing member or blocking e,ccept at adjoining panel edges where a minimum 1 /2 inch edge distance shcill be maintained. 3. Panel j oints shall normally occur on the centerline of studs but may occur on the joint of double studs when these studs ore nailed with 16d common 8 Inches on center. 4. Panel j oints shall maintain o 1 /8 inch separation between panels for expansion. 5. Panels may be oriented horizontally or vertically. 6. Nons shall be driven flush but shall not fracture the surface of the sheathing. When a nail fractures the sheathing it shall be left In place and not counted as port of the required nailing. A new nan shall be driven flush to the surface within 2 inches of the discounted nail. 7. Framing anchors shall be Installed with their long dimension horizontal and with all of the nail holes filled with nails or approved wood screws. Drywall screws shall not be used. e. Existing ventllotlon must be maintained and not covered by the wall bracing. Where obstructions such as vent holes or mechanical utllltles cannot be avoided ln the panel width, the required panel width shall be increased by the length of the obstruction or a minimum of one stud spacing, whichever ls greeter up to, but not exceeding the full length of the cripple wall. I ---EX ISTIN G STUD WAU. NEW a?PPLE WALL CONSTRUCTION IS NOT PERMITIED WlniOUT AN DIGINEERED DESIGN. USE A FULL HEIGHT CONCRElE S'IEM WALL WITH A PRESSURE TREATED SILL PLATE IF VDU REMOVE lHE EXISTING CRPPLE WALL 'b { Q / f - - -EXISTING FLOOR CONS"TRUCTION EXISTING CRIPPLE WAU. -- - - - . . NEW 2X4 D .F. #2 BLOCKING \lt1lli - - - 4-10d COMMON NAILS ONLY NAILS AT EACH BLOCK TO THE EXISTING SIU. PLATE 1 /18 INCH M AXIMUM---..... OVERSIZED HOLE DRIU.ED IN SIU. PLATE NEW 4 \ INCH FRAMING ANCHORS SPACED ER TABLE \lt1lli 1 2- Bd INCH COMMON NAILS OR f6 FLAT HEAD WOOD SCREWS NEW FOUNDATION ANCHOR 801. TS AND PLATE WASHERS PER MA TERI AL NOTES ,;--NIE\J 15/32 INCH STRUCTURAL PANEL SHEATHING SIU. P LATE----..l l - - LO C A T E BOLT IN CENTER OF PLATE "7"':J,....-114 REBAR CONTINUOUS EXISTING GROUND LEVEL 1:1 ' ~ I< 15z © i!d · 0 : I l l ·, \.!) " · o!!!.!... lL , , · , .a,. ;· .· ,, ~ , - ~ ~ i -~ · ' · :4 : ... · #4 REBAR CONTINUOUS O 48'" O.C. z§!c .r.'\ ~ ··· 4.' . ,··:.M IN, DIMS, :Ew 't7' :IE · · · · . I . A ■ ,. · . : ·: · · : ,. - - - - 3· MIN # OF W F D T '1 ,- - - - - '"= "= < - ,._ _ _ _ _ .,..,..c..,._ !--~~-::_~...cc...:...--J STORIES VERTICAL REINFORCEMENT 1/4 0 4 8" o.c. j @ j t - - 1 - - 1 2 - - 6 - - 1 2 - - 6 - 1 I' ,. 2 15 7 18 B 3 18 B 24 10 1-1/16" TO 1 -1 /2" RADIUS ON SHEAllilNG EDGE, DO NOT SQUARE CUT · .. . ··. ·"' -~ . ~-EX ISTIN G · · ' · ·· · FOUNDATION WAU.. . . .. i - - - INCREASE WAil. BRACING LENGlli A DISTANCE EQUAL TO LENGlli OF VENT /HOLES BUT NOT LESS l liAN ONE STUD SPACE FOUNDATION ANCHOR BOLT 4 C R I P P LE W A LL B R A C I N G - O P E N I N G R E I N F O R C E M E N T NEW D.F. #2 LUMBER OR 1 \ INCH PLYWOOD BLOCKING TOE-NAIL TO JOISTS \lt1lli 2-Bd COMMON OR BOX NAILS AT EACH END OR END-NAIL \lt1lli 2 - 16d COMMON OR SINKER NAILS lliROUGH EACH JOIST EXISTING RIM JOIST OR NO JOIST BLOCKING NEW D.F. #2 WM BER BLOCKING \lt1lli 1 Od COM MON OR 16d SINKER NAILS AT 4 INCHES ON CENTER TO EXISTING FLOOR JOIST. BRACED PANEL , ..::a1...:..._R_EP_L_A_c_E_M_E_N_T_c_o_N_c_R_ET_E_F_o_o_T_1 _N_G_A_N_D_s_TE_M _ _w _ A _ L _ L _ ~ EXISTING -- 1 c - CRIPPLE EXISTING C RIPPLE-+~ WAU. ..J------r NEW 4 \ INCH FRAMING ANCHORS SPACED PER TABLE \lt1lli 1 2- 8d X 1~ INCH COMMON NAILS OR f6 X 1 \ FLAT HEAD EXISTING 2 l f - - - - - - . . . SOLE PLATE EXISTING 2X - - - - . . RIM JOIST ,, , - - EXISTING STUD WAU. EXISTING FLOORING OVER SIJBFLOOR 1 · NEW 2X6 D .F. #2 BLOCKING :-----✓ )=t:j~=~MINIMUM W illi 6-10d COMIION OR 16d SINKER NAILS PER 16 INCHES l --'\,--N E \J 15/32 INCH STRUCT~AL PANEL SHEATHING EXISTING ::i:-----------JCRIPPLE WAU. ---t-1 '. Bd COMMON NAILS AT 4 INCHES O.C. AT SHEATHING EDGES *NEW 2X4 D.F. #2 BLOCKING \lt1lli 4-1 Od COMMON NAILS ONLY NAILS AT EACH BLOCK TO l liE EXISTING SIU. PLATE EXISTING GROUND LEVEL----... M AINTAIN l liE M INIMUM CONCRETE EDGE -- - ' DISTANCE REQUIRED BY lliE APPROVAL Bd COMMON NAILS AT 12 INCHES ON CENTER AT STUDS \lt1lli A M INIMUM OF 2 FASTENERS PER STUD M IN. EMBEDMENT REQUIRED BY lliE APPROVAL1- - - - (·) TYP O D ETAILS@ .@ & @ 2o. C R I P P LE W A LL S E C T I O N - P A R A L L E L J O I S T S EXISTING 2 l f- - - - - . . . . _ SOLE PLATE EXISTING 2X - - - - . . RIM JOIST NEW 2X4 D .F. #2 BLOCKING BE"TWEEN STUDS \lt1lli 4-10d COMMON OR 16d SINKER NAILS -- - - 1 ' " , , - - EXISTING STUD WAL!. EXISTING FLOORING OVER SIJBFLOOR NEW 4 \ INCH FRAMING ANCHORS SPACED PER TABLE W illi 1 2- 8d X 1 , INCH COMMON NAILS OR f6 X 1 \ FLAT HEAD WOOD SCREWS NEW 1 5/32 INCH S"TRUCTURAL PANEL -- t- = ~ = 1 - - k SHEAllilNG Bd COMMON NAILS AT 4 INCHES NEW 2X4 D .F. #2 BLOCKING NAILED TO l liE EXISTING SIU. PLATE \lt1lli - , 4-10d COMMON NAILS ONLY AT EACH BLOCK LOCATE SIU. PLATE ANCHOR IN M IDDLE OF PLATE \lt1Dlli EXISTING GROUND l.E1/EL · O.C. AT SHEAllilNG EDGES d COMMON NAILS AT 12 INCHES ON CENTER AT STUDS \lt1lli A M INIMUM OF 2 FASTENERS PER STUD M IN. EMBEDMENT REQUIRED BY lliE APPROVAL .. · ~ - - - 2b C R I P P LE W A LL S E C T I O N - P A R A L L E L J O I S T S EXISTING 2 , . _ - - . . . . . . _ SOLE PLATE EXISTING 2X RIM ----... JOIST OR BLOCKING SEE DETAIL 5 FOR ADDING BLOCKING WHEN M ISSING NEW 1 5/32 INCH S"TRUCTURAL PANEL -,-= = !-l SHEAllilNG NEW 2X4 D .F. #2 BLOCKING NAILED TO THE EXISTING Sill. PLATE WITH ----... 4-10d COM MON NAILS ONLY AT EACH BLOCK EXISTING GROUND LE V E L- , M AINTAIN l liE M INIMUM CONCRETE EDGE -- - ' DISTANCE REQUIRED BY lliE APPROVAL ·· ~- EXISTING STUD WALL EXISTING FLOORING OVER SIJBFLOOR NEW 4 · INCH FRAMING ANCHORS SPACED PER TABLE W illi 1 2- 8d X 1 \ INCH COMMON NAILS OR f6 X 1i, FLAT HEAO WOOD SCREWS Bd COMMON NAILS AT 4 INCHES O.C. AT SHEAllilNG EDGES Bd COMMON NAILS AT 12 INCHES ON CENTER AT STUDS \lt1lli A M INIMUII OF 2 FASTENERS PER STUD M IN. EMBEDMENT REQUIRED BY lliE APPROVAL1- ~ - - C R I P P LE W A LL S E C T I O N - P E R P E N D I C U L A R J O I S T S WAU. NEW 4 \ INCH FRAMING ANCHORS SPACED PER TABLE \lt1lli 12- Bd X 1 \ INCH COMMON NAILS WOOD SCREWS OR f6 X 1~ FLAT HEAD WOOD SCREWS NEW 2X4 D .F. #2 BLOCKING BETWEEN STUDS \lt1lli 4-10d COMMON OR 16d SINKER NAILS B LOCKING/FRAMING ANCHOR- MISSING 2X BLOCKING, RIM BLOCKING/FRAMING ANCHOR- PARALLEL JOIST OBSTRUCTION JOIST OR PERPENDICULAR JOIST EXISTING 2 · - - . . . . . . _ SOLE PLATE EXISTING 2 · BLOCKING OR RIM JOIST EXISTING SIU. PLATE -, M INIMUM EDGE DISTANCE PER APPROVAL · ··· -: 4 .. ..... : .. EXISTING STUD WAU. NEW 4li, INCH FRAMING ANCHORS SPACED PER TABLE Willi 1 2- 8d X 1li, INCH COMMON NAILS _v - O R fa X 1 · FLAT HEAD WOOO SCREWS LAG BOLT PER APPROVAL BOLT PER APPROVAL i - - - - - - A P P R O V E D ANCHOR SIDE PLATE CONCRETE STEM W Ail.--..."1:--:-· ~··!~-- ! ll! ! l~ - - - - - E X P A N S I O N OR ADHESIVE ANCHOR.. ' ·. · .' ..... ... .. ·'!' ;!'--..::(__MIN EMBEDMENT AS APPROVED EXISTING GROUND LEVEL FOR ANCHOR TYPE, BUT M UST NOT EXCEED 2 /3 STEM WAU. llilCKNESS FOR EXPANSION ANCHORS ® S I LL P LA T E B O L T I N G - N O C R I P P LE W A LL P A R A L L E L O R P E R P E N D I C U LA R J O I S T EXISTING 2x - - - . . . . _ SOLE PLATE EXISTING 2x BLOCKING OR RIM JOIST EXISTING FOUNDATION C O NC RETE--t-,- M INIMUM EDGE DISTANCE PER APPROVAL ·. : . ·'. .' EXISTING STUD WALL NEW 4 · INCH FRAMING ANCHORS SPACED PER TABLE \lt1lli 1 2- Bd X 1 .. INCH COMIION NAILS OR f6 X 1 · FLAT HEAD WOOD SCREWS ./ ' " - - WOOD SCREWS PER APPROVAL r -----APPROVED ANCHOR SIDE PLATE ~- - A D H E S I V E OR EXPANSION ANCHORS 4 " MIN EMBEDMENT AS APPROVED FOR ANCHOR TYPE. BUT M UST NOT EXCEED 2 /3 STEM WAU. llilCKNESS FOR EXPANSION ANCHORS 0 S I LL P LA T E B O L T I N G - T R A P E Z O I D A L F O O T I N G EXISTING 2X SOLE PLATE EXISTING -, . SUBFLOOR NAILING EXISTING SIU. PLATE 4" M INIMUM EDGE DISTANCE PER APPROVAL . . . EXISTING STUD WAU. /4 " M AX. SHIM SPACING LAG SCREWS PER APPROVAL · i ---.AP P RO VED ANCHOR SIDE PLATE CONCRETE STEM WAU. -- . . . . . EXISTING GROUND LE'IEL J .-t--·:·,l!im,~·i®----...EXPANSION OR ADHESIVE ANCHOR ' 4 .. . . .. .' . . . 4" MIN EMBEDMENT AS APPROVED FOR ANCHOR TYPE, BUT M UST NOT EXCEED 2 /3 STEM WAU. llilCKNESS FOR EXPANSION ANCHORS A3-4A ® S I LL P LA T E B O L T I N G - N O F LO O R J O I S T S P A R A L L E L O R P E R P E N D I C U LA R J O I S T PERPENDICULAR JOISTS NEW D.F. #2 LUMBER OR 1 \ INCH PLYWOOD BLOCKING · -- tM I · EXISTING C O NC RETE~',''-,-.~--., ..··.:~....... . ..... .··· 2 - 3 INCH ·..· ·· 'vENTILATION HOLES .; f!J·· CENTERED 1 INCH · · .~ .' ~· CLEAR ABOVE BLOCK ··· ·" · · . . · · .· · '!'·· ·. ·: . ·· ' 4 . ... -. ONLY ONE HOLE IS "-.J.!·--~~t-.:..>-'--~REQUIRED FOR WAU.S · \lt1TH STUD HEIGHTS PARALLEL JOISTS NEW 2XB D.F. #2 BLOCKING \lt1lli 6 - 1 Od COMMON O 6 INCHES. t - - ~ o _ _~o~__ o ~ . . . . o 0 0 0 0 0 0 0 2· ---T--r-------------5 ..,d-T-'.,-'r- O · · I O Bd COMMON NAILS 1 01 °0 AT 4 INCHES O.C. 10 AT SHEA THING I ol EDGES - I 1. I BD COM MON NAILS ____ _. o L - - - - - ~ { i -:J o ol_ AOTC 1 ~TINSTUCHESDS 0 I I O O O I o lo · ' ------'--.l------ ____ ..,_ ;.i._ M INIMUM 2 NAILS · :- .... ·-. ~ .....,, . . . ' .... -~ - + - - . - 1 PER STUD . . , ~ · . 4 EXISTING ... · ' .,.: . . ... . ..... CONCRETE ··... . .41, ', ........... ... . .. ' .. '. .. . . LESS l liAN 1B INCHES.ANCHORS W illi PLATE WASHER AND NUT PER SCHEDULE 9 -12" FROM AU. SIU. PLATE ENDS ® 9 -12" FROM AU. SIU. PLATE ENDS C R I P P LE W A LL B R A C I N G - I N T E R I O R E LE V A T I O N JOIST PERPENDICULAR TO CRIPPLE WALL EXISTING STUD WAU. EXISTING FLOORING OVER SIJBFLOOR APPROVED ANCHOR SIDE PLATE JOIST PARALLEL TO C RIPPLE WALL EXISTING STUD WAU. EXISTING FLOORING OVER SUBFLOOR EXISTING FLOOR JOIST EXISTING BLOCKING OR RIM JOIST NEW D.F. #2 WMBER OR 1 , INCH PLYWOOD .- . - ~ - ~ - . . - - - \ / BLOCKING TOE NAIL TO JOISTS \lt1lli 2-Bd SPACED PER TABLE LAG SCREWS PER APPROVALCOMMON OR BOX NAILS AT EACH END OR EXISTING END-NAIL \lt1lli 2-16d COMMON OR SINKER · .. . . , . - - ~ . . . , . . . . , - - - . 1 · MIN ·FLOOR NAILS THROUGH EACH JOIST. JOIST 4" IIINIMUII EDGE DISTANCE 4 · M INIMUM ,--~-'l-:--..,-..,.,;t:1:::e:::::::S:::-NEW 4 \ INCH FRAMING ANCHOR SPACED EDGE DISTANCE 1 . ,..PER TABLE Willi 1 2- 8d X 1 \ INCH FOR FUU. LOAD " , · ' COMMON NAILS OR f6 X 1 \ FLAT ,. . . ·_'."'. l<.,~~....lJ:'.:·'7"'.···:··~··:··-·,1-EXPANSION OR ,11 4· , · I!, . . , . . c ADHESIVE ANCHORS · ·· · <Ill · ': · ,; : .· : · .· · : · ;. · : ·_.3-~ EXISTING CONCRETE · · · · · · · · ··· · STE" w·u. VALUE PER " ·, ·.~· · HEAD WOOD SCREWS . : ·· '·. .... .. · . ,.. .. "' ~ .· ~ , I l l · · .. APPROVAL , · NEW ADHESIVE OR EXPANSION ANCHOR AND '~ :·.PLATE WASHER PER TABLE . . . ·.: -··.·: ····:· ·. . . · .. .,·: .... ·..... '· : . ..... EXISTING CONCRETE STEM WAil. . . . : . ·. ·. : . ;,' · .NEW 2 X 6 PRESSURE "TREATED D.F. PLATE B IN. M INIMUM CLEARANCE TO SOIL EXISTING CONCRETE FOOTING . . . ... . . ·· ' . . . · . ·. ·1 · · . . .. · ! .. 4· MIN EMBEDMENT AS APPROVED FOR ANCHOR TYPE, BUT M UST NOT EXCEED 2 /3 STEM WAil. A N C H O R A G E F O R J O I S T S S U P P O R T E D O N C O N C R E T E ·llilCKNESS FOR EXPANSION ANCHORS A N C H O R A G E F O R J O I S T S O N C O N C R E T E S U P P O R T E D . / ' " - EXISTING STUD WAU. STEEL SPLICE PLATE ' I I I I . 0.036 IN. GALV. STEEL (20 GALVANI ED GAGE) 0 0 o , ' 0 O 0 '0 0 0 0 0 0 SIX- 8d NAILS EACH SIDE I EXISTING RIM JOIST OR BLOCKING OR NEW D .F. #2 BLOCKING \lt1lli 8d TOE NAILS AT 6 INCHES O.C. TO TOP PLATE ~- FLOORING OVER SUBFLOOR S TU D / ; SINGLE TOP I· G"'· I 3 /8 INCH M INIMUM EDGE DISTANCE (TYP.) 8d COMMON NAILS AT 4" ON CENTER NEW 1 5/32 INCH S"TRUCTURAL PANEL SHEA l lilNG - - - 1 Bd COMMON NAILS AT 4 INCH ON CENTER AU. EDGES AND 12 INCH ON CENTER EACH INTERMEDIATE STUD WIN 2 NAILS PER STUDS 1 /2 FLOOR JOIST OEPlli TOP SINGLE PLATE CRIPPLE STUD WAU. CONCRETE STEM WALL · PLATE · u.,." SINGLE TOP PLATE STEEL SPLICE PLATE (TOP VIEW) S I N G LE T O P P LA T E S P LI C E M INIMUM 0.058 IN. llilCK 16 GAGE BY 1\INCH GALVANIZED M ETAL S"TRAP AT EACH PLATE SPLICE " · · " " · I · ,. ,. · · 18 GA. STEEL >A> INSTALL S'TRAP SIX 16d NAILS SIX Bd NAILS OVER WALL BRACNG AT EACH ENO AT EACH END M -IERE OCCt.lRS STUD~ .L<,.L 7 PROVIDE A WEAlliER-RESISTIVE BARRIER TO PROTECT l liE SHEA llilNG. EXTERIOR LA l l i FOR CEMENT PLASTER REQUIRES TWO LAYERS OF GRADE D PAPER OVER l liE SHEAllilNG. ..M AINTAIN l liE M INIMUM CONCRETE EDCE DISTANCE REQUIRED .L\...L--...sTUD G)M ETAL STRAP @ RETROAI TENSION TIE BY lliE APPROVAL C R I P P LE W A LL B R A C I N G W I TH P LY W O O D O N E X T E R I O R F A C E O F C R I P P LE S T U D S NEW 2X CRIPPLE STUD NAILED TO EXISTING STUD \lt1lli 1 Od COM I I ON 2X4X12 WOOD BL.OCKl'G I I I I ;S l~ E TOP STUD,..-PLATE 2X4X12 WOOD BLO ING 0 0 0 0 0 0 0 0 0 0 i - - - - ; 1 2 · ~ - - - - i SING TOP PLATE NAILS AT 4" ON CENTER AT WOOD S"TRUCTURAL PANEL JOIST 3 NAILS M IN. EXISTING STUD 2" MIN OR PROVIDE NEW STUD AT PANEL JOINlS u.,.(TOP VIEW) I I 1 /2" MIN--J.,f .f..J,-1/2" MIN ,i,,l,..1 /B " MIN 1 /2" MIN--,1..,f .f..,l,-1/2" MIN ,1,,1,.. 1 /8 " MIN @ WOOD BLOCKING A LT E R N A T I V E S TO S I N G LE TO P P LA T E S P LI C E ~ V E R T I C A L S P LI C E v A T D O U B LE S T U D ~ V E R T I C A L S P LI C E v A T S I N G LE S T U D SUMMARY OF MINIMUM PRESCRIPTIVE REQUIREMENTS NUMBER OF STRUCTURAL WOOD SILL PLATE STORIES1 ABOVE PANEL CRIPPLE ANCHOR FRAMING ANCHOR JOIST WALL BRACING SIZE AND BLOCKING 7 CRIPPLE WALL REQUIRE~ENTS2 SPACING3-M EACH END AND 1 /2 INCH AT 6 ONE1 NOT LESS THAN 3 2 INCHES ON ALTERNATE 50% OF THE WALL FEET ON CENTER M AXIMUM JOISTS LENGTH CENTER MAX EACH END AND AL lERNAlE TWO'NOT LESS THAN 1 /2 INCH AT 4 24 INCHES ON JOISTS AND 70% OF THE WALL FEET ON CENTER M AXIMUM EVERY JOIST LENGTH CENTER MAX8 ABOVE WALL BRACING THREE1 100% OF THE 5 /8 INCH AT 4 16 INCHES ON WALL LENGTH FEET ON CENTER M AXIMUM ALL JOISTS CENTER MAX 6 REQUIRED BRACING FOR ONE STORY 14' O'" -18' O"- ·6"·- ~ I 4 '-0 " 1 3 '- · 4'-0'" 6", .·1 · I · I ·r· L <D -. -'\(~lo ., .I I- .. OlliER OBS"TRUCllONS , · WHICH DO NOT AU.OW 0 PANEL TO EXTEND TOICORNER.·~~I-.·0I"~11,\11,\1~ 4 '-0 " ' - '-'c ~ BRACING I··0 (TYP.)I;,. ~ ( ~ '- ' 4' O" 10· o· ~NOTES: I;...1. BRACING SHOWN IS FOR A ONE-STORY HOUSE W illi CRIPPLE WALL HEIGHT OF 14" OR LESS IN HEIGHT. 2. INDIVIDUAL PANEL LENGlliS SHAU. BE TWO TIMES l liE HEIGHT OF l liE CRIPPLE STUD WAil. BUT NOT LESS l liAN 4 '-0 ". ·... I " FOUNDATION OUTLINE ( ~·(TYP.)., I °' ·( ~ 'b0 I I ,....,.,. ;,. - '- ' ·"' 6" a·6 " 12·-o·8 '-0 " 3 2'-0 " REQUIRED BRACING FOR lliREE STORY S A M P LE P LA N 1. lliESE STANDARDS DO NOT APPLY TO ONE OR TWO STORY BUILDINGS Willi CRIPPLE WALLS GREATER l liAN 48 INCHES IN HEIGHT OR TO lliREE STORY BUILDINGS 'M lli CRIPPLE WALL STUDS GREATER l liAN 14 INCHES. 2. lliE WALL BRACING LENGlli SHAU. BE AT LEAST 48 INCHES IN \lt1Dlli OR TWO TIMES l liE HEIGHT OF l liE CRIPPLE WALL, WHICHEVER IS GREATER. WAU. BRACING IS REQUIRED AT ALL EXTERIOR WAU.S. 3. lliE PLATE WASHERS FOR USE \lt1lli ADHESIVE OR EXPANSION ANCHORS ON WOOD SHALL BE 3-INCH BY J-INCH BY 0.229" M IN. 4. EXISTING SIU. PLATE ANCHOR BOL 1S CAST IN CONCRETE AND IS IN SOUND CONDITION SHAU. BE PERMITTED TO PROVIDE AU. OR A PORTION OF l liE SIU. PLATE CONNECTION REQUIREMENT IF l liE ANCHOR BOLT DIAMETER AND SPACING M EETS OR EXCEEDS l liE TABLE REQUIREMENTS. A NEW PLATE WASHER CONFORIIING TO FOOlNOTE 3 IS INSTALLED AND l liE SIU. PLATE IS CONNECTED TO A SNUG TIGHT CONDITION UNDER l liE TORQUE TEST REQUIREMENT. 5. ANCHOR SIDE PLATES SHAU. BE PERMITTED TO SUBSTITUTE FOR ADHESIVE OR EXPANSION ANCHORS WHEN CONDITIONS PREVENT ANCHOR INSTALLATION VERTICAU.Y THROUGH l liE SIU. PLATE. ANCHOR SIDE PLATES SHALL BE SPACED l liE SAME AS ADHESIVE OR EXPANSION ANCHORS PER SECTION E REQUIREMENTS. ONLY ONE ANCHOR SIDE PLATE SHAU. BE REQUIRED ON INDIVIDUAL PIECES OF SIU. PLATE LESS l liAN 32 INCHES IN LENGlli. 6. TWO STORY BUILDINGS MAY SUBSTITUTE 5 /8 INCH ANCHORS AT A M AXIMUM OF 6 FEET ON CENTER AND lliREE STORY BUILDINGS MAY SUBSTITUTE 1 /2 INCH ANCHORS AT A M AXIMUM OF 2 FEET B INCHES ON CENTER. 7. EXISTING 2 INCH NOMINAL llilCKNESS JOIST BLOCKING SHAU. BE PERMITTED TO M EET l lilS REQUIREMENT. NEW BLOCKING MAY BE EllliER 2 INCH NOMINAL DIMENSIONED WMBER OR 1 PLYWOOD. 1~ ·'- 0 " n \ ' - ' · 0I;...(~ 6" 1 2'-0" ·<D 'bI;,. · ~0II~" 'bI;,. lo NOTE: THIS STANDARD PLAN DOES NOT APPLY TO THE BUILDINGS OR ELEMENTS THEREOF USTED BELOW . THESE BUILDINGS OR ELEMENTS REQUIRE ANALYSIS BY A UCENSED ENGINEER OR ARCHITECT. 1. BUILDINGS v.1TH A LATERAL-FORCE- RESISTING SYSTEM USING POLES OR COLUMNS EMBEDDED IN THE GROUND . 2. CRIPPLE WALLS THAT EXCEED 4 FEET IN HEIGHT. 3. BUILDINGS EXCEEDING THREE STORIES IN HEIGHT AND ANY THREE-STORY BUILDING v.1TH CRIPPLE WALL STUDS EXCEEDING 14 INCHES IN HEIGHT. 4. BUILDINGS v.1TH M ORE THAN 4 DWELUNG UNITS OR 4 GUEST ROOMS. 5. BUILDINGS, OR PORTIONS THEREOF, CONSTRUCTED ON A CONCRETE SLAB ON GRADE OR CONSTRUCTED ON OR INTO A SLOPE STEEPER THAN ONE UNIT VERTICAL IN 3 UNITS HORIZONTAL 6. BUILDINGS WHERE THE SUPERINTENDENT OF BUILDING DETERMINES THAT CONDITIONS EXIST THAT ARE BEYOND THE SCOPE OF THE REQUIREMENTS OF THIS PLAN. 7. BUILDINGS THAT LACK CONTINUOUS FOOTINGS. B. BUILDINGS V.,TH REINFORCED OR UNREINFORCED M ASONRY OR STONE FOUNDATIONS. (/) z D f - , ( /) f - , >w ~ '° ___, 0 (U "- (Y) 0 "-Ln 0 G:z ~ >< \\ \ :z r::=iw > D ~ Q__ Q__ <I 00 0 \ \ :::J <[ w"':::J"' l'.lz H "'wwz H l'.lzw w I f-- "- □ "-w H Iu H "-w I (I) < [ " < [ "- H '5 C ) ~:z==s D:z< V \ \ \ \ \ \ >-1 -wu.. <( CJ) 0z <( (9 z-0 ..J-::Jco u.. 0 1 -zw ~ l -a: <( a..w 0 ::J < [ w"'::J "'"' z H "'wwz H "'zw w I f-- "- □ "-w H Iu f--z < [ f--"'H "' "'<[ _ J _ J H "'zw ', ' The Simpson Strong-Tie® Titen HD® Screw Anchor 2501 N Santiago St 4/14/2025 GENERAL NOTES A. PURPOSE The intent of this standard plan is to promote public safety and welfare by reducing the risk of earthquake Induced damage In existing wood frame residential buDdlngs. The requirements represented here ore minimum prescriptive standards which do not meet the requirements for new buildings. These standards ore intended to improve the seismic performance of these existing buildings but will not necessarlly prevent their damage In cm earthquake. Their primary purpose is to reduce the likelihood that these bulldlngs wlll fall off their foundations. (per Oiopter 92 of the Los Angeles BuHdlng Code) 8. SCOPE These standards apply to one, two and three story resldentlol buildings with raised wood floors If they meet the following criteria: 1) cripple wall heights do not exceed 48 Inches In one or two story buildings and do not exceed 14 inch stud height in three story buildings 2) the building ls supported at Its perimeter by a continuous concrete footing and stem well 3) all of the floors in each story ore at the same elevation. 4) the ma,clmum number of dwelling units and/or guest rooms Is four. 5) the cripple walls ore sheathed with materials other than wood structural panels or diagonal sheathing. 6) no portion of the building is constructed over o elope steeper than 3 horizontal to 1 vertical. C. GENERAL REQUIREMENTS PERMIT REQUIREMENTS: All work shown on these plans requires a building permit. PRE-INSPECTION REQUIREMENTS: None INSPECTION REQUIREMENlS: All footing excavations and placement of reinforcing steel and anchor bolts In formwork shall be Inspected prior to pouring of concrete for replacement footings and stem walls. All cripple wall bracing, blocking, connectors and anchors In existing concrete shall be inspected after the work ls completed but before the screens for the ventllotlon holes at the sill plate anchors are completely fastened. DEPUTY INSPECTION: None STRUCTURAL OBSERVATION: None D. DEFINITIONS ADHESIVE ANCHOR is a fastener placed in hardened concrete that derives Its holding strength from a chemical 0dhesive compound placed between the wall of the hole and the embedded portion of the anchor. Chemlcal adhesive compounds are organic compounds. comprised of resin and hardener, that form adhesives when blended together. Examples of chemical adhesive compounds can Include epoxies, pol)Urethcmes. polyesters, meth)'t methoa-)'tates and vinylesters. ANCHOR SIPE PLAT£ Is a metal plate or plates used to connect the sill plate or floor framing to the side of a concrete stem wall when conditions prevent anchor or bait installation vertically through the am plate. APPROVAL Is current product acceptance under a City of Los Angeles Research Report for all of the conditions of the Intended use except continuous inspection of anchors. BOLT RING is a metal or plastic piece of pipe placed around a bolt In a wood sll plate to fill In the annular space created by on oversized drilled hole. EMBEDMENT DEPTH Is the depth of the anchor Into the concrete prior to setting of the anchor EXPANSION ANCHOR Is a mechanical fastener placed ln hardened cona-ete designed to expcind In a self-drilled or pre-drilled hole of a specified size and engage the sides of the hole in one or more locations to develop shear cind/or tension resistance to applied loads without grout. cidheslve or dr~ack. INSTAI I ATION IDROUE Is the minimum moment applied to a torque-set anchor that creates the degree of anchorage required for full load values. MINIMUM CONCRElE EDGE DISTANCE Is the measure between the free edge of the concrete and the centerline of the bolt at which the concrete will not break away when the anchor is set or loaded in service. Minimum edge distances for anchors are given In the product approval. SNUG TIGHT Is the condition when the full surface of the plate washer Is in contact with the wood member and begins to slightly Indent the wood surface. TORQUE-SET ANCHOR Is an expansion anchor whose wedge or sleeve engages the concrete base material In the drilled hole by the oppllcotlon of torque and where the amount of torque applied controls the degree of anchorage. E. MATERIALS ADHESIVE ANCHOR ROD MATERIALS: All adhesive anchors shall use all-thread rod mcr,ufacfured from ASTM A193, grade B7, ASTM A36, or as specified In approved research report. All thread rods shall be free of oil, scale and rust. The use of smooth or partially threaded rods or bolts is prohibited. ADHESIVE PACKAGING: The packaging for each adhesive shall be marked with the manufacturer's name and address, lot number or date of packaging, shelf life or expiration date, name of the quality control agency, and instructions for installation. No adhesive shall be used ofter lta expiration dote. ANCHORS; All adhesive or expansion anchors shall hove a minimum normal lood capacity of 635 lbs for 1 /2 Inch bolts and 980 lbs. for 5/8 inch bolts In 2000 psi concrete at the Installed edge distance and depth of embedment. All proprietary 0nchors shall hove current City of Los Angeles Research Report approval. Comply with all conditions of LARR for approval. ANCHOR SIDE PLATE: All anchor side plates shall be of minimum 7 gauge steel (3/16 inch) unless otherwise approved (i.e. 12 gouge in a Research Report) and galvanized when exposed to weather. The minimum seismic adj.Jsted load capacity for shear in the direction of the slll plate must meet or exceed a capacity of 1275 lbs. when substituted for 5/8 Inch bolts and 840 lbs when substituted for 1/2 Inch bolts. other products with lower approved capacities may be used If their required spacing ls reduced proportionately by the ratio of their strength to the strength requirement above. (I.e. [ 400 lbs /840 lbs] x 72 In. o.c. = use 34 In o.c. Instead of 72 In o.c. for one story on anchor side plate with allowable value of 400 lbs Instead of 840 lbs or greater). Anchor side plates shall be attached to the concrete stem wall with a minimum of 2 -1/2 Inch approved anchors. The number of expansion or adhesive anchors used must hove a total shear capacity in concrete aqua or greater to the value for the foundation anchor requirement above.I BOLT RINGS: Bolt rings shall be of schedule 40 galVC1nlzed Iron or PVC pipe CONCRE'IE: All new cona-ete for replacement footings shall be of 2500 psi minimum compressive strength. No epeclol inspection is required. FASTENERS IN PRESERVAllVE TREATED WOOD: Fasteners In preservative-treated wood shall be of hot dipped zinc-c0C1ted galvanized steel, stainless steel.silicone bronze, or copper. The zinc coating weights shall be In accordance with ASlM A 153 FRAMING ANCHORS: All framin.s, anchors shall be of minimum 18 gouge galVC1nized steal, of 4-~ Inch length and approved under a City of Los Angeles Research Report for wood frame construction. The seismic load capacity in the long direction must meet or exceed 450 lbs in dry lumber. The fasteners must be 12-8d common x ti inch nails unless otherwise approved. f/6 x 1.5 inch flat head wood screws may be used at existing rlm joist, blocking or top plate connections. WMBER: All new lumber installed for blocking shall be o minimum of nominal two Inch Douglas Fir-Larch f 2 or better as graded under Western Wood Products Grading Rules. All lumber in contact with concrete shall be pressure treated douglas fir-larch for new stem walls and for sill plate replacements over 10X of the wall length. Replacement of sill plote less than 10" of the wall length may use the some lumber species as the existing material. All existing lumber shall be free of defects Including dryrot, mildew, excessive wane, warping and insect infestation or damage. Damaged lumber must be replaced and the source of water or insect Intrusion removed. PLATE WASHERS: Square plate washers are required. Use 3/16 x 2 x 2 for 1/2 Inch anchors and 1/4"x 2.5"x2.5"for 5/8 Inch anchors. Standard circular cut washers shall not be used to connect alll plates to concrete stem walls. Washers furnished with the proprietary anchors shall not be ued. Beveled washers shall be used on anchors drilled at an angle exceeding 6 degrees from vertical and shall be placed over the plate washers. REINFORCING BAR: ASTM A615 Grade 40 or 60 SHEATHING; All wood structuol panel sheathing shall be graded ond conform to the requirmnerits for their t~e in DOC PS 1-95 or DOC PS 2-92. All wood structural panel sheathing used for wall bracing shall be 15/32 inch APA roted sheathing, Exposure 1 with a span rating of 32/16. Plywood shall be minimum 5 ply construction. SHEATHING FASlENERS: Nalls shall be 8d common (.131 Inch x2-1/2 Inch) with full heads (.281 Inch) on Interior or covered sheathing. # 6 x 1-1 /2 Inch wood a crews may be substituted on Interior sheathing when plaster exists on the exterior side of the cripple wall. See requirements for fasteners In preservative treated wood. F. REPLACEMENT OF EXISTING FOOTINGS & STEM WALLS 1. Deteriorated, cracked or unrelnforded masonry footings may be replaced as shown on this pion provided proper shoring ls provided. The method of shoring and sequence of Its construction shall be the responslblllty of the person performing the work and shall not weaken the structure so as to be a threat to the safety of its occupants or passers n8Clrby. 2. When existing footings and stem walls are replaced in sections, the pen,on performing the work shall toke care to Insure that all reinforcing steel shall be lapped a minimum of 24 inches and shall be dowelled into the exlsitng concrete with adhesive or dr~ack a minimum of 8 Inches. 3. The repair of damaged footings or stem walls or the continued use of archaic building materials such as unreinforced masonry, requires that plans and calculations be prepared by a licensed architect or engineer. G. ANCHOR BOLT INSTALLATION 1. GENERAL REQUIREMENTS A) CONDITION OF EXISTING CONCRETE: All concrete shall be fully cured and hardened, uncracked and in sound condition. Concrete with excessive cracking, deterioration or damage shall be replaced. B) DRIWNG OF THE HOLE IN CONCRETE: The drilled hole diameter and minimums for spacing, depth of hole and edge distance must comply with the Research Report approval and manufacturer's recommendations. All holes shall be drllled with carbide-tipped drlll bits conforming to ANSI Speclflcotlon B212.15-1994 tole<onceo. (1/2 • 0.520-0.530. 5/8 • 0.650-0.660 Inch) Worn drill bits with reduced diameters below the ANSI tolerance limits shall not be used. All holes shall be driven as perpendicular as possible to the concrete surface. Right angle drill motors shall be used as needed to provide the proper hole orientation. C) DRIWNG OE TI-IE HOLE IN WOOD; Drilled holes through existing sill plates shall normally be located In the middle third of the plate width. The minio,um edge distonce for the bolt from the wood edge shall be 11.l bolt diameters. Anchors or bolts shall be placed within 12 Inches but not less than 9 Inches from both ends of all sll plate members. Pl CHOICE OF USE Of ADHESIVE OR EXPANSION ANCHORS: Only products approved by the Department (refer to the attachment for the list of approved products and materials of construction) may be used for the retrofit of crlpplewoll wortcs. Both types of anchors may be used Interchangeably ln concrete of average or better quality. Cona-ete of weaker quality may be Indicated by spalllng during drDllng or setting of e,cpanslon anchors or failure of anchors to reach the minimum torque required. Concrete of weaker quality must use adhesive anchors. This requirement does not waive the need to replace existing concrete foundations when damaged, deterionJted, or of unsuitable quallty. 2. REQUIREMENTS FOR ADHESIVE ANCHORS A) CLEANING OF THE HOLE: The hole must be cleaned with a jet of compressed air and a nyloo brush. Wire brushes shall not be used to clean the hole. No debris or dust shall remain In the hole. B~ PLACEMENT OF THE ADHESIVE: The resin, filler and hardener s ail be thoroughly mixed before placement in the hole unless approved to be mhced in the hole. Compounds dispensed through a static mixing nozzle must be of uniform color. Ensure uniform color by eKtrudlng a small amount of adhesive untn color by mcinuol or pnuemotlc means from the bottom of the hole upward uniformity Is achieved. Adhesive added to the hole shall be applled at a slow enough rate to prevent the formation of air voids. The amount of adhesive shall be sufficient to completely flll the threads and annular space about the threaded rod In both the concrete and any existing wood sill plate. Adhesives must be installed within the manufacturer's recommended temperature range for the air and concrete. C) PLACEMENT OF THE THREADED ROD: The all thread rod, completely free of rust, scale or oil, shall be Installed to the full depth of the hole. The rod shall be turned counter-clock.wise sufficiently during installation for the adhesive to engage the threads. The length of the rod shall extend a minimum of one rod diameter above the nut ofter tlghterilng. D) ADHESIVE SETTING TIME: No torquing of the anchors shall occur until the adhesive hos cured for the recommended time based on the temperature as shown In the manufacturer's Instructions. Care must be used to insure that the anchor bond is not disturbed until the adhesive hos sufficiently cured. E} TORQUE REQUIREMENTS: A minimum torque setting of 30 ft lbs. for 1/2 Inch mchors and 40 ft lbs. for 5/8 anchors la required for all adhesive anchors for the snug tight condition unless this value exceeds the maximum torque allowed by the opprovol. In those cases, the torque shall be set to Its maximum allowable value. 3. REQUIREMENTS FOR EXPANSION ANCHORS A) DRIWNG OF THE HOLE: Core must be used to insure that the drilled hole carefully matches the depth and diameter requirements for the expansion anchor t_)Pe. The depth of the hole cannot exceed 2/3 of the concrete thickness in the direction of the drilled hole. This ls critical at the appllcotlon of anchor side plates to full height concrete stem walls. B) CLEANING OF lHE HOLE: Unless otherwise required by the manufacturer's recommendations, the drilled hale may be deepened to allow the concrete debris to remain In the hole provided the hole does not exceed 2/3 of the concrete thickness In the direction of the drilled hole. The depth required for embedment must be free of debris. This rule does not apply to drop-In anchors that rely on the bottom of a clean drilled hole to set the expansion element C) USE OF THE BOLT RING: Bolt rings shall be required to be Installed when the drDled hole ln the wood member exceeds the bolt diameter by more thm 1 /8 inch. The length of the bolt ring shall be approximately equal to the thickness of the sDI plate. Chemical compounds used In adhesive anchors may be substituted for bolt rings. P) TORQUE REQUIREMENTS; A minimum torque setting equal to the lnstollotlon torque or 30 ft lbs. for 1 /2 Inch anchors and 40 ft lbs. for 5/8 anchors, whichever Is greater, Is required for all expansion anchors unless this value exceeds the maximum torque allowed by the approval. In those coses, the torque shall be set to Its maximum allowable value. H. ANCHOR SIDE PLATE INSTALLATION 1. Anchor side plates may be substituted for vertlcally placed anchors or bolts only when conditions prevent anchor or bolt installation vertically through the am plate even with a right angle drill motor.This condition commonly occurs when there Is no cripple wall or one of greatly reduced height. 2. A minimum of two anchor side plates must be Installed on each piece of sill plate 32 inches or longer. The nearest edge of the plate shall be Installed a minimum of 8 inches but not more than 12 inches from the end of the sill plate. 3. Installation of the anchor bolts In the existing concrete shall follow the information in Section F except as noted herein. Care shall be used to Insure the drilled hole depth does not exceed 2/3rds of the stem wall thickness when using expansion anchors. Cleaning of the hole may be required for these expansion anchors due to the limited stem wall thickness ovalloble ta overdrlll the hole. 4. Lag screws used to attach anchor aide plates shall be Installed as follows: o) the lag sa-ew shall be located at the center of the plat,~ thickness and shall penetrate the sill plate o minimum of 2.2 inches. b) lead holes shall be pre-drilled for the threaded portion of the screw. The pre-drill diameter for the lecid hole shall not exceed 70" of the shank diameter and shall be drilled to the full depth of penetration of the lag screw. Use a 1/4 Inch diameter drlll bit for 3/8 Inch lag screws and 1/8 Inch drlll bit for 1/4 Inch lag screws. c) clearance holes shall also be drilled for the solid portion of the shank. The clearance hole shall be equal In depth and diameter to the solid portion of the shank. d) the threoded portion of the lag screw shall be inserted in lts lead hole by turning with a wrench ond not by driving with a hammer or other blunt object. e) soap or other lubricant shall be used on the lag screws or in the lead holes for ease of Installation and to prevent damage to the lag screw. 5. Wood screws used to attach anchor side plates shall be installed as follows: a) wood screws shall be located at the center of the plate thickness and shall penetrate the sill plate a minimum of ~ inches. b) lead holes shall be pre-drilled for the threaded portion of the screw. the pre-drill diameter for the lead hole shall be about 7 /8th of the diameter of the screw at the root of the thread (mimimum solid diameter). Use 1/8 inch for #14 screws.) c) clecirence holes shall also be drilled for solid/aortlon of the shank. The clearance hole shall be about 7 8ths of the diameter of the solid portion of the shank. Use a 3/16 Inch drill bit for # 14 sa-ews. d) the threaded portion of the wood sa-ew shall be Inserted In Its lead hole by turning with a wrench and not by driving with a hammer or other blunt object. e) soap or other lubricant shall be used on the wood screws or In the lead holes for ease of lnstallatlon and to prevent damage to the wood screw. 6. Shims may be used on sill plates for single plate anchors when the space exceed 3/16'" and Is less than 3/4'". Shim requirements greeter than 3/4 Inch shall use two plate or curved plate connections unless otherwise approved. I. BRACING, FRAMING ANCHORS & VENTILATION 1. Framing members or 2X4 blocklng shall be provided at the edge of all wood structural sheathing. 2. Nans or screws shall be centered In the framing member or blocking e,ccept at adjoining panel edges where a minimum 1/2 inch edge distance shcill be maintained. 3. Panel joints shall normally occur on the centerline of studs but may occur on the joint of double studs when these studs ore nailed with 16d common 8 Inches on center. 4. Panel joints shall maintain o 1/8 inch separation between panels for expansion. 5. Panels may be oriented horizontally or vertically. 6. Nons shall be driven flush but shall not fracture the surface of the sheathing. When a nail fractures the sheathing it shall be left In place and not counted as port of the required nailing. A new nan shall be driven flush to the surface within 2 inches of the discounted nail. 7. Framing anchors shall be Installed with their long dimension horizontal and with all of the nail holes filled with nails or approved wood screws. Drywall screws shall not be used. e. Existing ventllotlon must be maintained and not covered by the wall bracing. Where obstructions such as vent holes or mechanical utllltles cannot be avoided ln the panel width, the required panel width shall be increased by the length of the obstruction or a minimum of one stud spacing, whichever ls greeter up to, but not exceeding the full length of the cripple wall. I ---EXISTING STUD WAU. NEW a?PPLE WALL CONSTRUCTION IS NOT PERMITIED WlniOUT AN DIGINEERED DESIGN. USE A FULL HEIGHT CONCRElE S'IEM WALL WITH A PRESSURE TREATED SILL PLATE IF VDU REMOVE lHE EXISTING CRPPLE WALL 'b { Q /f---EXISTING FLOOR CONS"TRUCTION EXISTING CRIPPLE WAU. -----.. NEW 2X4 D.F. #2 BLOCKING \lt1lli --- 4-10d COMMON NAILS ONLY NAILS AT EACH BLOCK TO THE EXISTING SIU. PLATE 1/18 INCH MAXIMUM---..... OVERSIZED HOLE DRIU.ED IN SIU. PLATE NEW 4\ INCH FRAMING ANCHORS SPACED ER TABLE \lt1lli 12-Bd INCH COMMON NAILS OR f6 FLAT HEAD WOOD SCREWS NEW FOUNDATION ANCHOR 801. TS AND PLATE WASHERS PER MA TERI AL NOTES ,;--NIE\J 15/32 INCH STRUCTURAL PANEL SHEATHING SIU. PLATE----.. ll--LOCATE BOLT IN CENTER OF PLATE "7"':J,....-114 REBAR CONTINUOUS EXISTING GROUND LEVEL 1:1 ' ~ I< 15 z © i! d • 0: Ill •, \.!) " • o!!!.! ... lL , , •, .a,. ;• .• ,, ~,-~ ~ i -~ · ' · : 4 : ... • #4 REBAR CONTINUOUS O 48'" O.C. z§!c .r.'\ ~ ••• 4.' . ,··:. MIN, DIMS, :Ew 't7' :IE • ·•·. I. A ■ ,. •. :·: •• : ,. ----3• MIN # OF W F D T '1,-----'"="=<-,._ ____ .,..,..c..,._ !--~~-::_~...cc...:...--J STORIES VERTICAL REINFORCEMENT 1/4 0 48" o.c. j @ j t--1--12--6--12--6-1 I' ,. 2 15 7 18 B 3 18 B 24 10 1-1/16" TO 1-1/2" RADIUS ON SHEAllilNG EDGE, DO NOT SQUARE CUT • .. . •·. ·"' -~ . ~-EXISTING • • ' • • • • FOUNDATION WAU. . . . .. i---INCREASE WAil. BRACING LENGlli A DISTANCE EQUAL TO LENGlli OF VENT /HOLES BUT NOT LESS lliAN ONE STUD SPACE FOUNDATION ANCHOR BOLT 4 CRIPPLE WALL BRACING-OPENING REINFORCEMENT NEW D.F. #2 LUMBER OR 1\ INCH PLYWOOD BLOCKING TOE-NAIL TO JOISTS \lt1lli 2-Bd COMMON OR BOX NAILS AT EACH END OR END-NAIL \lt1lli 2-16d COMMON OR SINKER NAILS lliROUGH EACH JOIST EXISTING RIM JOIST OR NO JOIST BLOCKING NEW D.F. #2 WMBER BLOCKING \lt1lli 1 Od COMMON OR 16d SINKER NAILS AT 4 INCHES ON CENTER TO EXISTING FLOOR JOIST. BRACED PANEL , ..::a1...:..._R_EP_L_A_c_E_M_E_N_T_c_o_N_c_R_ET_E_F_o_o_T_1 _N_G_A_N_D_s_TE_M __ w_A_L_L_~ EXISTING --1 c-CRIPPLE EXISTING CRIPPLE-+~ WAU. ..J------r NEW 4 \ INCH FRAMING ANCHORS SPACED PER TABLE \lt1lli 12-8d X 1~ INCH COMMON NAILS OR f6 X 1\ FLAT HEAD EXISTING 2lf------... SOLE PLATE EXISTING 2X ----.. RIM JOIST ,,,--EXISTING STUD WAU. EXISTING FLOORING OVER SIJBFLOOR 1· NEW 2X6 D.F. #2 BLOCKING :-----✓)=t:j~=~MINIMUM Willi 6-10d COMIION OR 16d SINKER NAILS PER 16 INCHES l--'\,--NE\J 15/32 INCH STRUCT~AL PANEL SHEATHING EXISTING ::i:-----------J CRIPPLE WAU. ---t-1'. Bd COMMON NAILS AT 4 INCHES O.C. AT SHEATHING EDGES *NEW 2X4 D.F. #2 BLOCKING \lt1lli 4-1 Od COMMON NAILS ONLY NAILS AT EACH BLOCK TO lliE EXISTING SIU. PLATE EXISTING GROUND LEVEL----... MAINTAIN lliE MINIMUM CONCRETE EDGE ---' DISTANCE REQUIRED BY lliE APPROVAL Bd COMMON NAILS AT 12 INCHES ON CENTER AT STUDS \lt1lli A MINIMUM OF 2 FASTENERS PER STUD MIN. EMBEDMENT REQUIRED BY lliE APPROVAL 1---- (•) TYP O DETAILS@.@&@ 2o. CRIPPLE WALL SECTION-PARALLEL JOISTS EXISTING 2lf-----...._ SOLE PLATE EXISTING 2X ----.. RIM JOIST NEW 2X4 D.F. #2 BLOCKING BE"TWEEN STUDS \lt1lli 4-10d COMMON OR 16d SINKER NAILS ----1'" ,,--EXISTING STUD WAL!. EXISTING FLOORING OVER SIJBFLOOR NEW 4\ INCH FRAMING ANCHORS SPACED PER TABLE Willi 12-8d X 1, INCH COMMON NAILS OR f6 X 1\ FLAT HEAD WOOD SCREWS NEW 15/32 INCH S"TRUCTURAL PANEL --t-=~=1--k SHEAllilNG Bd COMMON NAILS AT 4 INCHES NEW 2X4 D.F. #2 BLOCKING NAILED TO lliE EXISTING SIU. PLATE \lt1lli -, 4-10d COMMON NAILS ONLY AT EACH BLOCK LOCATE SIU. PLATE ANCHOR IN MIDDLE OF PLATE \lt1Dlli EXISTING GROUND l.E1/EL • O.C. AT SHEAllilNG EDGES d COMMON NAILS AT 12 INCHES ON CENTER AT STUDS \lt1lli A MINIMUM OF 2 FASTENERS PER STUD MIN. EMBEDMENT REQUIRED BY lliE APPROVAL .. •~--- 2b CRIPPLE WALL SECTION-PARALLEL JOISTS EXISTING 2,._--......_ SOLE PLATE EXISTING 2X RIM ----... JOIST OR BLOCKING SEE DETAIL 5 FOR ADDING BLOCKING WHEN MISSING NEW 15/32 INCH S"TRUCTURAL PANEL -,-==!-l SHEAllilNG NEW 2X4 D.F. #2 BLOCKING NAILED TO THE EXISTING Sill. PLATE WITH ----... 4-10d COMMON NAILS ONLY AT EACH BLOCK EXISTING GROUND LEVEL-, MAINTAIN lliE MINIMUM CONCRETE EDGE ---' DISTANCE REQUIRED BY lliE APPROVAL • • ~-EXISTING STUD WALL EXISTING FLOORING OVER SIJBFLOOR NEW 4• INCH FRAMING ANCHORS SPACED PER TABLE Willi 12-8d X 1\ INCH COMMON NAILS OR f6 X 1i, FLAT HEAO WOOD SCREWS Bd COMMON NAILS AT 4 INCHES O.C. AT SHEAllilNG EDGES Bd COMMON NAILS AT 12 INCHES ON CENTER AT STUDS \lt1lli A MINIMUII OF 2 FASTENERS PER STUD MIN. EMBEDMENT REQUIRED BY lliE APPROVAL 1-~-- CRIPPLE WALL SECTION-PERPENDICULAR JOISTS WAU. NEW 4 \ INCH FRAMING ANCHORS SPACED PER TABLE \lt1lli 12-Bd X 1\ INCH COMMON NAILS WOOD SCREWS OR f6 X 1~ FLAT HEAD WOOD SCREWS NEW 2X4 D.F. #2 BLOCKING BETWEEN STUDS \lt1lli 4-10d COMMON OR 16d SINKER NAILS BLOCKING/FRAMING ANCHOR­ MISSING 2X BLOCKING, RIM BLOCKING/FRAMING ANCHOR­ PARALLEL JOIST OBSTRUCTION JOIST OR PERPENDICULAR JOIST EXISTING 2• --......_ SOLE PLATE EXISTING 2• BLOCKING OR RIM JOIST EXISTING SIU. PLATE -, MINIMUM EDGE DISTANCE PER APPROVAL • • • • -: 4 .. ..... : .. EXISTING STUD WAU. NEW 4li, INCH FRAMING ANCHORS SPACED PER TABLE Willi 12-8d X 1li, INCH COMMON NAILS _v-OR fa X 1• FLAT HEAD WOOO SCREWS LAG BOLT PER APPROVAL BOLT PER APPROVAL i------APPROVED ANCHOR SIDE PLATE CONCRETE STEM WAil.--... "1:--:-• ~··! ~--!ll!!l~-----EXPANSION OR ADHESIVE ANCHOR .. ' •.•. ' .. . .. .. . .. ·'!' ;!'--..::(__MIN EMBEDMENT AS APPROVED EXISTING GROUND LEVEL FOR ANCHOR TYPE, BUT MUST NOT EXCEED 2/3 STEM WAU. llilCKNESS FOR EXPANSION ANCHORS ® SILL PLATE BOLTING-NO CRIPPLE WALL PARALLEL OR PERPENDICULAR JOIST EXISTING 2x ---...._ SOLE PLATE EXISTING 2x BLOCKING OR RIM JOIST EXISTING FOUNDATION CONCRETE--t-,- MINIMUM EDGE DISTANCE PER APPROVAL • . : . •' . . ' EXISTING STUD WALL NEW 4• INCH FRAMING ANCHORS SPACED PER TABLE \lt1lli 12-Bd X 1 .. INCH COMIION NAILS OR f6 X 1• FLAT HEAD WOOD SCREWS ./'"--WOOD SCREWS PER APPROVAL r-----APPROVED ANCHOR SIDE PLATE ~--ADHESIVE OR EXPANSION ANCHORS 4" MIN EMBEDMENT AS APPROVED FOR ANCHOR TYPE. BUT MUST NOT EXCEED 2/3 STEM WAU. llilCKNESS FOR EXPANSION ANCHORS 0 SILL PLATE BOLTING-TRAPEZOIDAL FOOTING EXISTING 2X SOLE PLATE EXISTING -,. SUBFLOOR NAILING EXISTING SIU. PLATE 4" MINIMUM EDGE DISTANCE PER APPROVAL . . . EXISTING STUD WAU. /4" MAX. SHIM SPACING LAG SCREWS PER APPROVAL • i---.APPROVED ANCHOR SIDE PLATE CONCRETE STEM WAU. --..... EXISTING GROUND LE'IEL J.-t--·:•,l!im,~•i®----...EXPANSION OR ADHESIVE ANCHOR ' 4 ... . .. .' .. . 4" MIN EMBEDMENT AS APPROVED FOR ANCHOR TYPE, BUT MUST NOT EXCEED 2/3 STEM WAU. llilCKNESS FOR EXPANSION ANCHORS A3-4A ® SILL PLATE BOLTING-NO FLOOR JOISTS PARALLEL OR PERPENDICULAR JOIST PERPENDICULAR JOISTS NEW D.F. #2 LUMBER OR 1 \ INCH PLYWOOD BLOCKING • --tMI• EXISTING CONCRETE~',''-,-.~--., . . ··.:~ ...... . . ... . . . ·• • 2-3 INCH • .. • •• 'vENTILATION HOLES .; f!J•· CENTERED 1 INCH • • . ~ .' ~ • CLEAR ABOVE BLOCK ••• ·" • • . . • • .•• '!'·· •. ·: . • • ' 4 . .. . -. ONLY ONE HOLE IS "-.J.!•--~~t-.:..>-'--~ REQUIRED FOR WAU.S • \lt1TH STUD HEIGHTS PARALLEL JOISTS NEW 2XB D.F. #2 BLOCKING \lt1lli 6- 1 Od COMMON O 6 INCHES. t--~o __ ~o~ __ o~ .... o 000000 0 2· ---T--r-------------5..,d-T-'.,-'r­ O • • I O Bd COMMON NAILS 1 01 ° 0 AT 4 INCHES O.C. 10 AT SHEA THING I ol EDGES -I 1. I BD COMMON NAILS ____ _. o L-----~{i-:Jo ol_ AOTC 1 ~TINSTUCHESDS 0 I I O O O I olo • ' ------'--.l------____ ..,_ ;.i._ MINIMUM 2 NAILS • :-.... ·-. ~ ..... ,, ... ' . . .. -~-+--.-1 PER STUD . . , ~ • . 4 EXISTING ... • ' . ,. : . . ... . .. .. . CONCRETE ••.. . . . 41, ', ...... .. . . . . . . . .. ' .. ' . .. . . LESS lliAN 1 B INCHES. ANCHORS Willi PLATE WASHER AND NUT PER SCHEDULE 9-12" FROM AU. SIU. PLATE ENDS ® 9-12" FROM AU. SIU. PLATE ENDS CRIPPLE WALL BRACING-INTERIOR ELEVATION JOIST PERPENDICULAR TO CRIPPLE WALL EXISTING STUD WAU. EXISTING FLOORING OVER SIJBFLOOR APPROVED ANCHOR SIDE PLATE JOIST PARALLEL TO CRIPPLE WALL EXISTING STUD WAU. EXISTING FLOORING OVER SUBFLOOR EXISTING FLOOR JOIST EXISTING BLOCKING OR RIM JOIST NEW D.F. #2 WMBER OR 1, INCH PLYWOOD .-.-~-~-..---\/ BLOCKING TOE NAIL TO JOISTS \lt1lli 2-Bd SPACED PER TABLE LAG SCREWS PER APPROVAL COMMON OR BOX NAILS AT EACH END OR EXISTING END-NAIL \lt1lli 2-16d COMMON OR SINKER • ....,.--~...,....,---.1• MIN • FLOOR NAILS THROUGH EACH JOIST. JOIST 4" IIINIMUII EDGE DISTANCE 4• MINIMUM ,--~-'l-:--..,-..,.,;t:1:::e:::::::S:::-NEW 4\ INCH FRAMING ANCHOR SPACED EDGE DISTANCE 1 . ,.. PER TABLE Willi 12-8d X 1\ INCH FOR FUU. LOAD " , • ' COMMON NAILS OR f6 X 1\ FLAT ,. .. ·_'."'. l<.,~~....lJ:'.:·'7"'.··•:·•~·•:··-·,1-EXPANSION OR ,11 4· , • I!, .. , . . c ADHESIVE ANCHORS • • • • <Ill • ': • ,; : . • : • .• • : • ;. • : ·_.3-~ EXISTING CONCRETE • • • • • • • · •• • · STE" w•u. VALUE PER " ·, ·.~· • HEAD WOOD SCREWS . : •· '• . .... . . • . ,.. .. "' ~ .·~,Ill •• .. APPROVAL , • NEW ADHESIVE OR EXPANSION ANCHOR AND '~ :•. PLATE WASHER PER TABLE . . . ·.:-··.•:•··· :• •. . . • ... ,· : ... . ·..... '• : . . .... EXISTING CONCRETE STEM WAil. . . . : . •. ·.:.;,'•. NEW 2 X 6 PRESSURE "TREATED D.F. PLATE B IN. MINIMUM CLEARANCE TO SOIL EXISTING CONCRETE FOOTING . . . ... . . •• '... • . •. ·1· • . . . . • ! . . 4• MIN EMBEDMENT AS APPROVED FOR ANCHOR TYPE, BUT MUST NOT EXCEED 2/3 STEM WAil. ANCHORAGE FOR JOISTS SUPPORTED ON CONCRETE • llilCKNESS FOR EXPANSION ANCHORS ANCHORAGE FOR JOISTS ON CONCRETE SUPPORTED ./'"-EXISTING STUD WAU. STEEL SPLICE PLATE ' I I I I . 0.036 IN. GALV. STEEL (20 GALVANI ED GAGE) 0 0 o, ' 0 O 0 ' 0 0 0 0 0 0 SIX-8d NAILS EACH SIDE I EXISTING RIM JOIST OR BLOCKING OR NEW D.F. #2 BLOCKING \lt1lli 8d TOE NAILS AT 6 INCHES O.C. TO TOP PLATE ~-FLOORING OVER SUBFLOOR STUD/ ; SINGLE TOP I • G"' • I 3/8 INCH MINIMUM EDGE DISTANCE (TYP.) 8d COMMON NAILS AT 4" ON CENTER NEW 15/32 INCH S"TRUCTURAL PANEL SHEA llilNG ---1 Bd COMMON NAILS AT 4 INCH ON CENTER AU. EDGES AND 12 INCH ON CENTER EACH INTERMEDIATE STUD WIN 2 NAILS PER STUDS 1 /2 FLOOR JOIST OEPlli TOP SINGLE PLATE CRIPPLE STUD WAU. CONCRETE STEM WALL • PLATE • u.,." SINGLE TOP PLATE STEEL SPLICE PLATE (TOP VIEW) SINGLE TOP PLATE SPLICE MINIMUM 0.058 IN. llilCK 16 GAGE BY 1\INCH GALVANIZED METAL S"TRAP AT EACH PLATE SPLICE " • • " " • I • ,. ,. • • 18 GA. STEEL >A> INSTALL S'TRAP SIX 16d NAILS SIX Bd NAILS OVER WALL BRACNG AT EACH ENO AT EACH END M-IERE OCCt.lRS STUD~ .L<,.L 7 PROVIDE A WEA lliER-RESISTIVE BARRIER TO PROTECT lliE SHEA llilNG. EXTERIOR LA lli FOR CEMENT PLASTER REQUIRES TWO LAYERS OF GRADE D PAPER OVER lliE SHEAllilNG. .. MAINTAIN lliE MINIMUM CONCRETE EDCE DISTANCE REQUIRED .L\...L--...sTUD G) METAL STRAP @ RETROAI TENSION TIE BY lliE APPROVAL CRIPPLE WALL BRACING WITH PLYWOOD ON EXTERIOR FACE OF CRIPPLE STUDS NEW 2X CRIPPLE STUD NAILED TO EXISTING STUD \lt1lli 1 Od COM II ON 2X4X12 WOOD BL.OCKl'G I I I I ; Sl~E TOP STUD,..-PLATE 2X4X12 WOOD BLO ING 0 0 0 0 0 0 0 0 0 0 i----;12·~----i SING TOP PLATE NAILS AT 4" ON CENTER AT WOOD S"TRUCTURAL PANEL JOIST 3 NAILS MIN. EXISTING STUD 2" MIN OR PROVIDE NEW STUD AT PANEL JOINlS u.,. (TOP VIEW) I I 1/2" MIN--J.,f .f..J,-1/2" MIN ,i,,l,..1 /B" MIN 1/2" MIN--,1..,f .f..,l,-1/2" MIN ,1,,1,.. 1 /8" MIN @ WOOD BLOCKING ALTERNATIVES TO SINGLE TOP PLATE SPLICE ~ VERTICAL SPLICE v AT DOUBLE STUD ~ VERTICAL SPLICE v AT SINGLE STUD SUMMARY OF MINIMUM PRESCRIPTIVE REQUIREMENTS NUMBER OF STRUCTURAL WOOD SILL PLATE STORIES 1 ABOVE PANEL CRIPPLE ANCHOR FRAMING ANCHOR JOIST WALL BRACING SIZE AND BLOCKING 7 CRIPPLE WALL REQUIRE~ENTS2 SPACING3-M EACH END AND 1/2 INCH AT 6 ONE1 NOT LESS THAN 32 INCHES ON ALTERNATE 50% OF THE WALL FEET ON CENTER MAXIMUM JOISTS LENGTH CENTER MAX EACH END AND AL lERNAlE TWO' NOT LESS THAN 1/2 INCH AT 4 24 INCHES ON JOISTS AND 70% OF THE WALL FEET ON CENTER MAXIMUM EVERY JOIST LENGTH CENTER MAX 8 ABOVE WALL BRACING THREE1 100% OF THE 5/8 INCH AT 4 16 INCHES ON WALL LENGTH FEET ON CENTER MAXIMUM ALL JOISTS CENTER MAX 6 REQUIRED BRACING FOR ONE STORY 14' O'" -18' O" - • 6" ·-~ I 4'-0" 13'-• 4'-0'" 6" , . ·1 • I • I ·r • L <D -. -'\ (~ lo ., .I I -.. OlliER OBS"TRUCllONS , • WHICH DO NOT AU.OW 0 PANEL TO EXTEND TO I CORNER. ·~ ~ I -. • 0 I "~ 11,\ 11,\ 1~ 4'-0" '-' -'c ~ BRACING I • • 0 (TYP.) I ;,. ~ ( ~ '-' 4' O" 10· o· ~ NOTES: I ;... 1. BRACING SHOWN IS FOR A ONE-STORY HOUSE Willi CRIPPLE WALL HEIGHT OF 14" OR LESS IN HEIGHT. 2. INDIVIDUAL PANEL LENGlliS SHAU. BE TWO TIMES lliE HEIGHT OF lliE CRIPPLE STUD WAil. BUT NOT LESS lliAN 4'-0". • ... I " FOUNDATION OUTLINE ( ~ • (TYP.) ., I °' • ( ~ 'b 0 I I ,.... ,.,. ;,. -'-' • "' 6" a· 6" 12·-o· 8'-0" 32'-0" REQUIRED BRACING FOR lliREE STORY SAMPLE PLAN 1. lliESE STANDARDS DO NOT APPLY TO ONE OR TWO STORY BUILDINGS Willi CRIPPLE WALLS GREATER lliAN 48 INCHES IN HEIGHT OR TO lliREE STORY BUILDINGS 'Mlli CRIPPLE WALL STUDS GREATER lliAN 14 INCHES. 2. lliE WALL BRACING LENGlli SHAU. BE AT LEAST 48 INCHES IN \lt1Dlli OR TWO TIMES lliE HEIGHT OF lliE CRIPPLE WALL, WHICHEVER IS GREATER. WAU. BRACING IS REQUIRED AT ALL EXTERIOR WAU.S. 3. lliE PLATE WASHERS FOR USE \lt1lli ADHESIVE OR EXPANSION ANCHORS ON WOOD SHALL BE 3-INCH BY J-INCH BY 0.229" MIN. 4. EXISTING SIU. PLATE ANCHOR BOL 1S CAST IN CONCRETE AND IS IN SOUND CONDITION SHAU. BE PERMITTED TO PROVIDE AU. OR A PORTION OF lliE SIU. PLATE CONNECTION REQUIREMENT IF lliE ANCHOR BOLT DIAMETER AND SPACING MEETS OR EXCEEDS lliE TABLE REQUIREMENTS. A NEW PLATE WASHER CONFORIIING TO FOOlNOTE 3 IS INSTALLED AND lliE SIU. PLATE IS CONNECTED TO A SNUG TIGHT CONDITION UNDER lliE TORQUE TEST REQUIREMENT. 5. ANCHOR SIDE PLATES SHAU. BE PERMITTED TO SUBSTITUTE FOR ADHESIVE OR EXPANSION ANCHORS WHEN CONDITIONS PREVENT ANCHOR INSTALLATION VERTICAU.Y THROUGH lliE SIU. PLATE. ANCHOR SIDE PLATES SHALL BE SPACED lliE SAME AS ADHESIVE OR EXPANSION ANCHORS PER SECTION E REQUIREMENTS. ONLY ONE ANCHOR SIDE PLATE SHAU. BE REQUIRED ON INDIVIDUAL PIECES OF SIU. PLATE LESS lliAN 32 INCHES IN LENGlli. 6. TWO STORY BUILDINGS MAY SUBSTITUTE 5/8 INCH ANCHORS AT A MAXIMUM OF 6 FEET ON CENTER AND lliREE STORY BUILDINGS MAY SUBSTITUTE 1/2 INCH ANCHORS AT A MAXIMUM OF 2 FEET B INCHES ON CENTER. 7. EXISTING 2 INCH NOMINAL llilCKNESS JOIST BLOCKING SHAU. BE PERMITTED TO MEET llilS REQUIREMENT. NEW BLOCKING MAY BE EllliER 2 INCH NOMINAL DIMENSIONED WMBER OR 1 PLYWOOD. 1~ •'-0" n\ '-' • 0 I ;... ( ~ 6" 12'-0" • <D 'b I ;,. • ~ 0 I I ~ " 'b I ;,. lo NOTE: THIS STANDARD PLAN DOES NOT APPLY TO THE BUILDINGS OR ELEMENTS THEREOF USTED BELOW . THESE BUILDINGS OR ELEMENTS REQUIRE ANALYSIS BY A UCENSED ENGINEER OR ARCHITECT. 1. BUILDINGS v.1TH A LATERAL-FORCE­ RESISTING SYSTEM USING POLES OR COLUMNS EMBEDDED IN THE GROUND . 2. CRIPPLE WALLS THAT EXCEED 4 FEET IN HEIGHT. 3. BUILDINGS EXCEEDING THREE STORIES IN HEIGHT AND ANY THREE-STORY BUILDING v.1TH CRIPPLE WALL STUDS EXCEEDING 14 INCHES IN HEIGHT. 4. BUILDINGS v.1TH MORE THAN 4 DWELUNG UNITS OR 4 GUEST ROOMS. 5. BUILDINGS, OR PORTIONS THEREOF, CONSTRUCTED ON A CONCRETE SLAB ON GRADE OR CONSTRUCTED ON OR INTO A SLOPE STEEPER THAN ONE UNIT VERTICAL IN 3 UNITS HORIZONTAL 6. BUILDINGS WHERE THE SUPERINTENDENT OF BUILDING DETERMINES THAT CONDITIONS EXIST THAT ARE BEYOND THE SCOPE OF THE REQUIREMENTS OF THIS PLAN. 7. BUILDINGS THAT LACK CONTINUOUS FOOTINGS. B. BUILDINGS V.,TH REINFORCED OR UNREINFORCED MASONRY OR STONE FOUNDATIONS. (/) z D f-, (/) f-, > w ~ '° ___, 0 (U "­ (Y) 0 "­Ln 0 G :z ~ >< \\ \ :z r::=i w > D ~ Q__ Q__ <I 00 0 \\ :::J <[ w "' :::J "' l'.l z H "' w w z H l'.l z w w I f-- "­□ "­w H I u H "­w I (I) <[ " <[ "- H '5 C) ~ :z ==s D :z < V\ \ \\ \ \ >-1-w u.. <( CJ) 0 z <( (9 z -0 ..J -::J co u.. 0 1-z w ~ l­a: <( a.. w 0 ::J <[ w "' ::J "' "' z H "' w w z H "' z w w I f-- "­□ "­w H I u f-­z <[ f--"' H "' "' <[ _J _J H "' z w ',' 2501 N Santiago St 4/14/2025