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WALL REINF. <br />VERT. CORNER <br />BAR TO MATCH <br />SIZE OF VERT. <br />LOCATION OF VERT. & HORIZ. <br />SEE WALL DETAILS FOR SIZE & <br />REINF. IN WALL <br />#4 BAR TO MATCH <br />SPACING OF HORIZ. <br />WALL REINF. <br />2' <br />- <br />0 <br />" <br />2'-0" <br />SEALANT W/ BACKING ROD, <br />FOR REINF., TYP. <br />SEE WALL SECT. <br />TYP. EA. SIDE OF JOINT <br />NOTES: <br />SHOWN EXCEPT BARS @ TOP <br />OF WALL; TOP BARS SHALL <br />BE CONTINUOUS THRU JOINT <br />( LOCATION OF CONTROL JOINTS ) <br />NEAR WALL INTERSECTIONS <br />AT REGULAR INTERVALS NOT TO EXCEED 40'-0" <br />AT PILASTERS <br />PLAN DETAIL <br />2. <br />3. <br />1. <br />B <br />TOP BARS <br />SEE WALL <br />SECTIONS <br />B <br />TOP OF WALL ELEVATION <br />CUT ALL HORIZ. BARS AS <br />A <br />2" <br />CL. <br />2" <br />CL. <br />3 <br />8" EXPANSION <br />JT. AS OCCURS <br />2" <br />CL. <br />2" <br />CL. <br />SE <br />E <br />WA <br />L <br />L <br />SE <br />C <br />T <br />I <br />O <br />N <br />S <br />VERT. BARS EA. SIDE OF JOINT <br />CONTINUOUS <br />SCOPE OF WORK: <br />LIMITED TO STRUCTURAL SITE WALL DESIGN AND DETAILING <br />FOR CONSTRUCTION OF: <br />1. ONE (1) FREESTANDING CMU WALL <br />REFERENCES <br />THE WORK IS BASED ON THE INFORMATION SET FORTH IN <br />THE FOLLOWING REFERENCES. <br />GEOTECHNICAL INVESTIGATION: NOVA SERVICES, INC., <br /> PROJECT NO. 3024029, <br /> JANUARY 30, 2025. <br />S-DT0003 <br />12 <br />Ø <br /> <br />( <br />1 <br />2 <br />" <br />m <br />i <br />n <br />. <br />) <br />U. <br />N <br />. <br />O <br />. <br />4"Ø" - 21 <br />2" min <br />LAP IN MASONRY PER <br />CONSTRUCTION NOTE 1 <br />(24"min.) <br />36Ø LAP IN CONCRETE <br />(18"min.) <br />LAP AND OFFSET <br />'D'=8d FOR #9 BAR AND LARGER <br />'D'=6d FOR #8 BAR AND SMALLER <br />"D" <br />BAR BENDS <br />"D" <br />4" <br />STIRRUP OR TIE <br />"Ø <br />" <br />"D""D" <br />TYPICAL MASONRY WALL STEPPED FOOTING 2 <br />TYPICAL REINFORCING 1 <br />TYPICAL EXPANSION JOINT 3 <br />CMU WALL INTERSECTION 4 <br />DRAINAGE BLOCK-OUT 5 <br />REBAR LOCATION DETAIL 6 <br />STRUCTURAL NOTES - <br />AS SHOWN. <br />1/2 BLK. DRAIN <br />SIDE OF THE <br />BAR ON EA. <br />& #4 DROP-IN <br />PROVDE #4 DWL. <br />SWALE GRADE. <br />BE LEFT OUT AT <br />A 1/2 BLK. MAY <br />SWALE OCCURS, <br />WHERE DRAINAGE <br />RETURN WALLS <br />FOR SIDEYARD <br />4"4" <br />#4 DWL. @ EA. <br />SIDE OF BLOCK- <br />OUT w/ #4 <br />DROP-IN BAR <br />8"x8" BLOCK- <br />OUT <br />CONT. FTG. <br />NOTE: <br />GENERAL <br />1.ALL MATERIALS AND WORKMANSHIP SHALL CONFORM TO THE DRAWINGS AND <br />SPECIFICATIONS. <br />2.THE CONTRACTOR SHALL BE RESPONSIBLE FOR COORDINATING THE WORK OF ALL <br />TRADES AND SHALL CHECK ALL DIMENSIONS BEFORE COMMENCING WORK AND <br />REPORT ANY DISCREPANCIES. <br />3.THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE SAFETY OF THE BUILDING DURING <br />CONSTRUCTION AND SHALL PROVIDE ADEQUATE SHORING, BRACING AND GUYS <br />DURING CONSTRUCTION. SAFETY AND BRACING REQUIREMENTS SHALL BE IN <br />ACCORDANCE WITH ALL NATIONAL, STATE AND LOCAL SAFETY ORDINANCES. <br />4.THE CONTRACTOR SHALL BECOME FAMILIAR WITH AND COMPLY WITH ALL OF THE <br />GENERAL PROVISIONS OF IBC CHAPTER 33 FOR ALL BUILDING AND SITE WORK, <br />DEMOLITION AND CONSTRUCTION. <br />5.IN ALL CASES WHERE A CONFLICT MAY OCCUR, SUCH AS BETWEEN ITEMS COVERED IN <br />STRUCTURAL SPECIFICATIONS AND NOTES ON THE DRAWINGS OR BETWEEN GENERAL <br />NOTES AND SPECIFIC DETAILS, THE ENGINEER OF RECORD SHALL BE NOTIFIED AND HE <br />WILL INTERPRET THE INTENT OF THE CONTRACT DOCUMENTS PRIOR TO INSTALLATION <br />OF THAT PORTION OF WORK. <br />6.SIMILAR WORK: WHERE CONSTRUCTION DETAILS ARE NOT SHOWN OR NOTED FOR ANY <br />PART OF THE WORK, SUCH DETAILS SHALL BE THE SAME AS FOR SIMILAR WORK <br />SHOWN ON THE DRAWINGS. <br />7.PIPES, DUCTS, SLEEVES, CHASES, ETC.: SHALL NOT BE PLACED IN SLABS, BEAMS, OR <br />WALLS UNLESS SPECIFICALLY SHOWN OR NOTED NOR SHALL ANY STRUCTURAL <br />MEMBER BE CUT FOR PIPES, DUCTS, ETC., UNLESS SPECIFICALLY SHOWN. OBTAIN <br />PRIOR WRITTEN APPROVAL FOR INSTALLATION OF ANY ADDITIONAL PIPES, DUCTS, ETC. <br />8.LOCATE AND PROTECT UNDERGROUND OR CONCEALED CONDUIT, PLUMBING OR <br />OTHER UTILITIES WHERE NEW WORK IS BEING PERFORMED. IDENTIFY AND LOCATE <br />ANY SUBTERRANEAN UTILITIES PRIOR TO ANY EXCAVATION. <br />9.THE CONTRACT DRAWINGS AND SPECIFICATIONS REPRESENT THE FINISHED <br />STRUCTURE AND DO NOT INDICATE METHODS, PROCEDURES OR SEQUENCE OF <br />CONSTRUCTION. TAKE NECESSARY PRECAUTIONS TO MAINTAIN AND ENSURE THE <br />INTEGRITY OF THE STRUCTURE DURING CONSTRUCTION. NEITHER THE OWNER NOR <br />ARCHITECT/ENGINEER WILL ENFORCE SAFETY MEASURES OR REGULATIONS. <br />CONTRACTOR SHALL DESIGN, CONSTRUCT AND MAINTAIN ALL SAFETY DEVICES, <br />INCLUDING SHORING AND BRACING, AND SHALL BE SOLELY RESPONSIBLE FOR <br />CONFORMING TO ALL LOCAL, STATE AND FEDERAL SAFETY AND HEALTH STANDARDS, <br />LAWS AND REGULATIONS. <br />10.PROPRIETARY COMPONENTS, MATERIALS, CHEMICAL, EPOXY AND WEDGE ANCHORS <br />AND SHOT PINS SHALL BE EXACTLY AS CALLED FOR IN THESE DRAWINGS. ANY <br />DEVIATIONS SHALL BE APPROVED OR DISAPPROVED BY THE ENGINEER OF RECORD AT <br />THE EXPENSE OF THE ENTITY REQUESTING THE SUBSTITUTION PRIOR TO <br />INSTALLATION. <br />11.THE CONTRACTOR SHALL BE ULTIMATELY RESPONSIBLE FOR COORDINATION AND <br />ASSEMBLY OF ALL PARTS OF THE CONSTRUCTION DEPICTED HEREIN. THE <br />CONTRACTOR SHALL PERFORM ANY CONSTRUCTABILITY REVIEW OR COORDINATION <br />DRAWINGS NECESSARY TO IDENTIFY CONSTRUCTABILITY PROBLEMS PRIOR TO <br />CONSTRUCTION. <br />GEOTECHNICAL NOTES: <br />GEOTECHNICAL INVESTIGATION: NOVA SERVICES, INC., PROJECT NO. 3024029, <br /> JANUARY 30, 2025. <br />1.FOUNDATION MATERIAL: APPROVED FILL PER GEOTECHNICAL INVESTIGATION. <br />2.MINIMUM FOUNDED DEPTH OF FOOTINGS: <br /> BELOW ROUGH PAD GRADE 24" <br /> BELOW LOWEST ADJACENT FINISHED GRADE 24" <br />3.FOUNDING OF FOOTINGS & SLABS: ON APPROVED COMPACTED SOILS AS NOTED IN <br />GEOTECHNICAL INVESTIGATION. <br />CONCRETE AND REINFORCING NOTES (CODE CHAPTER 19): <br />1.CONTRACTOR TO PROVIDE CONCRETE MIX DESIGNS FROM AN APPROVED <br />LABORATORY OR FROM THE CONCRETE SUPPLIER PREPARED UNDER THE <br />SUPERVISION OF, SIGNED, AND SEALED BY A CALIFORNIA REGISTERED ARCHITECT, <br />CIVIL OR STRUCTURAL ENGINEER. <br />2.REINFORCEMENT: <br />A)DETAILING, FABRICATION AND PLACING: SHALL CONFORM TO ACI315 AND ACI318. <br />CERTIFICATION AND TESTING OF REINFORCING STEEL SHALL BE IN ACCORDANCE <br />WITH THE PROVISIONS OF ASTM STANDARDS. <br />B)MINIMUM CONCRETE COVER: <br />CAST AGAINST & EXPOSED TO EARTH 3" <br />EXPOSED TO EARTH OR WEATHER 2" <br />NOT EXPOSED TO WEATHER OR IN CONTACT <br />WITH GROUND: <br />SLABS, WALLS, JOISTS 3/4" <br />BEAMS, COLUMNS (TIES, STIRRUPS, SPIRALS)1-1/2" <br />C)CHAIRS, SPACERS AND AND PLATES: AS REQUIRED TO MAINTAIN CONCRETE <br />COVER. <br />D)VERTICAL REINFORCEMENT: SHALL BE DOWELED TO SUPPORTING MEMBERS WITH <br />THE SAME SIZE AND SPACING OF REINFORCEMENT AS SHOWN IN THE DRAWINGS <br />AND GENERAL NOTES. <br />E)SPACING: CLEAR DISTANCE BETWEEN PARALLEL REINFORCEMENT IN A LAYER <br />SHALL NOT BE LESS THAN 1-1/2 TIMES THE NOMINAL DIAMETER OF THE <br />REINFORCEMENT, OR 1-1/3 TIMES MAXIMUM SIZE AGGREGATE, NOR LESS THAN <br />1-1/2". <br />F)TACK WELDING, WELDING, HEATING OR CUTTING OF BARS: NOT PERMITTED UON. <br />G)SPLICES (STANDARD LAPS): AS SCHEDULED, 40 DIAMETERS OR 24 INCHES <br />WHICHEVER IS GREATER UON ON DRAWINGS. STAGGER BOTTOM SPLICES AT <br />LEAST 5'-0" FROM SPLICES IN OTHER BOTTOM REINFORCEMENT. STAGGER <br />SPLICES FOR TOP REINFORCEMENT SIMILARLY. <br />3.PIPES, SLEEVES AND DUCTS: NOT TO BE PLACED IN WALLS, BEAMS, SLABS, FOOTINGS <br />OR COLUMNS UNLESS SPECIFICALLY DETAILED. <br />4.ADMIXTURES: REVIEWED BY THE ENGINEER OF RECORD. CALCIUM CHLORIDE OR <br />ADDED CHLORIDES ARE NOT PERMITTED. FLY ASH SHALL NOT BE PERMITTED IN <br />CONCRETE MIXTURES. <br />5.CONSTRUCTION JOINTS: ACI 360R, 1/4-INCH AMPLITUDE MINIMUM OR KEYED JOINTS <br />PER PLAN. LOCATION OF JOINTS TO BE REVIEWED BY THE ENGINEER OF RECORD <br />PRIOR TO PLACEMENT OF REINFORCEMENT. <br />6.CONCRETE CURING: ACI 302.1R. CONCRETE SHALL BE MAINTAINED IN A MOIST <br />CONDITION FOR A MINIMUM OF FIVE DAYS AFTER ITS PLACEMENT. FOR CONCRETE <br />OTHER THAN SLAB ON GRADE, APPROVED CURING COMPOUNDS MAY BE USED IN LIEU <br />OF MOIST CURING, IF APPROVED BY THE OWNER AND ARCHITECT. <br />7.VIBRATION: ALL CONCRETE SHALL BE CONSOLIDATED WITH MECHANICAL VIBRATORS <br />IN ACCORDANCE WITH GENERAL PROVISIONS OUTLINED IN ACI 309R. <br />REBAR CMU FACE SHELL <br />CLEAR DIMENSION <br />RETAINED <br />EARTH <br />RETAINING <br />WALL <br />℄ DIMENSION <br />CONSTRUCTION NOTES: <br />1.REINFORCING STEEL SHALL BE DEFORMED AND CONFORM TO ASTM A615 GRADE 60. <br />PROVIDE SPLICES (LAPS) OF 48 BAR DIAMETERS OR 24 INCHES, WHICHEVER IS <br />GREATER. CENTER VERTICAL BARS IN CELLS, UIO. SEE DETAIL <br />2.JOINT REINFORCEMENT ("LADDER" TYPE) SHALL BE COLD-DRAWN STEEL WIRE <br />CONFORMING TO ASTM A951. PROVIDE MINIMUM 6 INCH LAP SPLICES. <br />3.PROVIDE NORMAL WEIGHT CONCRETE (145 PCF) WITH PROVEN SHRINKAGE <br />CHARACTERISTICS OF LESS THAN 0.05%, ATTAINING MINIMUM COMPRESSIVE <br />STRENGTH OF 3,000 PSI AT 28 DAYS. <br />4.CONCRETE MUST BE CAST DIRECTLY AGAINST UNDISTURBED SOIL, UIO BY SOILS <br />REPORT. <br />5. PROVIDE MASONRY UNITS OF MEDIUM WEIGHT CLASSIFICATION COMPLYING WITH <br />ASTM C90. ANGELUS BLOCK PRECISION, SPLIT FACE, BURNISHED, OR SHOTBLAST, <br />WITH OR WITHOUT MORTARLESS HEAD JOINTS (TONGUE-AND-GROOVE), OR ANGELUS <br />BLOCK SLUMPSTONE SHALL BE USED. <br />6.MORTAR SHALL BE SPEC MIX TYPE S PREBLENDED MASONRY MORTAR AS <br />MANUFACTURED BY E-Z MIX INC., CONFORMING TO PROPORTIONS AND REQUIREMENTS <br />OF ASTM C270, OR SPEC MIX IWR MASONRY MORTAR AS MANUFACTURED BY E-Z MIX <br />INC., CONFORMING TO PROPERTY REQUIREMENTS OF ASTM C270. MINIMUM <br />COMPRESSIVE STRENGTH AT 28 DAYS SHALL BE 2000psi. <br />7.GROUT SHALL CONFORM TO ASTM C476, WITH AN 8-11 INCH SLUMP, AND SHALL HAVE A <br />MINIMUM COMPRESSIVE STRENGTH AT 28 DAYS OF 2000psi. <br />8.FIRST COURSE MAY BE WET-SET 1 1/2 INCHES MAX. WHILE CONCRETE IS PLASTIC. <br />9.CONCRETE BLOCK SHALL BE LAID IN RUNNING BOND PATTERN WITH VERTICAL <br />CONTINUITY OF THE CELLS U.N.O. <br />10.VERTICAL CONTROL JOINTS SHALL BE SPACED AT A MAXIMUM OF 40'-0"o.c. OR 20'-0"o.c. <br />IF WALL IS TO BE STUCCO COATED OR MORTAR WASHED SEE DETAIL <br />11.GROUT ALL CELLS WITH REINFORCEMENT U.I.O. <br />12.INSPECTIONS: <br />A. AFTER FOOTING IS READY FOR CONCRETE AND ALL FOOTING REINFORCING IS TIED <br /> IN PLACE. <br />B. AFTER VERTICAL REINFORCEMENT IS IN PLACE AND CELLS ARE READY FOR <br /> GROUT. <br />13.FOR TYPICAL REINFORCING AT WALL INTERSECTIONS SEE DETAIL <br />14.FOR TYPICAL FOOTING STEP SEE DETAIL <br />15.FOR TYPICAL DRAINAGE BLOCK-OUT SEE DETAIL <br />16.CLEAR (CLR.) OR CENTERLINE WHERE REFERENCED TO VERTICAL REINFORCING PER <br />DETAIL <br />17.RETAINING WALL BACKFILL SHOULD CONSIST OF SANDY SOILS THAT MUST MEET AT <br />LEAST ONE OF THE FOLLOWING CRITERIA: <br />A. A SAND EQUIVALENT (SE) OF 30 OR GREATER PER CALIFORNIA TEST METHOD (CTM) <br /> 217, OR <br />B. A MAXIMUM OF 35 PERCENT FINES (PASSING THE NO. 200 SIEVE) PER AMERICAN <br /> SOCIETY FOR TESTING AND MATERIALS (ASTM) D 421/422 AND AN EXPANSION INDEX <br /> OF 20 OR LESS. <br /> RETAINING WALL BACKFILL SHOULD ALSO BE LIMITED TO FILL MATERIAL NOT <br /> EXCEEDING 3 INCHES IN GREATEST DIMENSION. SEE GEOTECHNICAL INVESTIGATION <br /> FOR ADDITIONAL RECOMMENDATIONS. <br />18.SEE SOILS REPORT FOR THE HORIZONTAL LIMITS OF SAND BACKFILL REQUIRED. <br />19. WALLS HAVE NOT BEEN DESIGNED FOR SURCHARGE RESULTING FROM VEHICULAR <br />TRAFFIC OR ADJACENT FOOTINGS U.I.O. <br />20. EXCAVATION FOR WALL/ FOUNDATION SHALL NOT UNDERMINE ANY ADJACENT <br />STRUCTURES. TEMPORARY SHORING AND STABILIZATION OF ADJACENT STRUCTURES <br />SHALL BE PROVIDED BY THE CONTRACTOR AS REQUIRED <br />21.FOR TYPICAL PIPE THROUGH FOOTING, SEE DETAIL <br />1 <br />- <br />2 <br />- <br />2 <br />- <br />5 <br />- <br />4 <br />- <br />6 <br />- <br />1' <br />- <br />0 <br />" <br />MI <br />N <br />. <br />ST <br />E <br />P <br />6" <br /> <br />O <br />R <br /> <br />8 <br />" <br />PE <br />R <br /> <br />C <br />M <br />U <br />BL <br />K <br />. <br /> <br />H <br />T <br />. <br />3" CLR. <br />TYP. <br />. <br />1'-0" <br />STEP <br />STEPSTEP <br />CMU WALL PER DETAILS <br />(TYP. REINF. NOT SHOWN <br />FOR CLARITY) <br />ALIGN CONTROL JOINT AT <br />STEP WHERE OCCURS <br />40'-0"o.c. MAX. <br />DOWELS AND DROP-IN BARS <br />AT CELL EACH SIDE OF STEP <br />AND CONTROL JOINT TYP. <br />TOP BARS WHERE <br />OCURRING <br />#4 HORIZ. CONT. <br />w/ 24" MIN. LAP <br />FINISHED GRADE <br />FRONT FACE <br />WALL FOOTING <br />CHANGE OF WALL <br />THICKNESS TYP. <br />CHANGE OF WALL HEIGHT <br />& FOOTING SIZE TYP. <br />LAYOUT LINE <br />MASONRY CAP TYP. <br />WHERE OCCURRING <br />EXTEND CAULKING <br />6" MIN. BELOW FINISH <br />GRADE TYP. <br />EXPANSION JOINT <br />WHERE OCCURRING <br />PLACE AT 40'-0"o.c. MAX. <br />EXPANSION JOINT <br />WHERE OCCURRING <br />TYPICAL WALL ELEVATION - MASONRY CONSTRUCTION <br />TYPICAL WALL PLAN - MASONRY CONSTRUCTION <br />3B <br />- <br />TYP. <br />STRUCTURAL STEEL <br />1.STRUCTURAL STEEL SHALL CONFORM TO THE FOLLOWING SPECIFICATIONS. <br />PLATES AND BARS - ASTM A36, Fy=36 ksi, Fu=58 ksi. <br />2.FASTENERS FOR STRUCTURAL STEEL SHALL CONFORM TO THE FOLLOWING <br />SPECIFICATIONS. <br />NUTS - ASTM A563. <br />WASHERS - ASTM F436. <br />THREADED RODS - ASTM F1554, GRADE 36. <br />SITE WALLS <br />STANDARD DETAILS <br />S-0 <br />DESIGN CRITERIA: <br />1.DESIGN CRITERIA PER 2022 CBC AND GEOTECHNICAL RECOMENDATIONS <br />2.ALLOWABLE SOIL BEARING PRESSURE = 2500 PSF (WITH INCREASE PER SOILS REPORT) <br />3.ALLOWABLE SOIL PASSIVE PRESSURE = 150 PCF <br />4.COEFFICIENT OF FRICTION = 0.30 <br />5.LEVEL ACTIVE PRESSURE = 45 PCF <br />6.AT REST PRESSURE = 65 PCF <br />7.MASONRY COMPRESSIVE STRENGTH, f'm = 2000 PSI. SPECIAL INSPECTION <br />IS REQUIRED. <br />LOADING: <br />1.SEISMIC, 5% DAMPING @ 1 SECOND <br />ACCELERATION Cs=0.679Wt. <br />2.DESIGN WIND = EXP. C @ 95 MPH <br />7 <br />- <br />PROJECT DESCRIPTION: <br />OWNER: <br />ENGINEER OF RECORD: <br />898 N. FAIR OAKS AVE. STE. F <br />PASADENA, CA 91103 <br />626.407.2224 GSE JOB #: 25-078 <br />SITE WALLS <br />THIS DRAWING IS THE SOLE <br />PROPERTY OF GSE AND IS INTENDED <br />FOR USE ONLY FOR THE PROJECT <br />LISTED IN THE TITLE BLOCK. THIS <br />DOCUMENT AND CONTENTS MAY NOT <br />BE REPRODUCED, CHANGED OR <br />COPIED IN ANY FORM OR ASSIGNED <br />TO ANY THIRD PARTY WITHOUT <br />WRITTEN PERMISSION BY GSE <br />SHEET TITLE: <br />SHEET NUMBER: <br />DRAWN BY: D.E. HYLTON <br />PROJECT NUMBER: 25-078 <br />DATE: 04 / 03 / 2025 <br />SO <br />C <br />A <br />L <br /> <br />G <br />A <br />S <br />30 <br />1 <br /> <br />E <br />. <br /> <br />C <br />O <br />L <br />U <br />M <br />B <br />I <br />N <br />E <br /> <br />A <br />V <br />E <br />. <br />SA <br />N <br />T <br />A <br /> <br />A <br />N <br />A <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />7 <br />0 <br />7 <br />8" CMU WALL 7N.T.S. <br />MASONRY WALL SYSTEM <br />FREE-STANDING 8" CMU FENCE WALL <br />ECCENTRIC FOOTING <br />9' <br />- <br />0 <br />" <br />MA <br />X <br />. <br />12 <br />" <br />MI <br />N <br />. <br />12 <br />" <br />3" CLR. <br />TYP. <br />3'-8" <br />MIN. <br />8" WIDE (NOM.) CMU. <br />GROUT CELLS w/ REINF. <br />DWLS. TO MATCH VERT. <br />REINF. LAP 24" MIN. <br />F.G. <br />WET-SET FIRST COURSE <br />PER CONSTRUCTION NOTE 8 <br />CONT. CONC. FTG. <br />#4 VERT. REINF. @16" O.C. <br />AT CTR. OF WALL <br />OPTIONAL WALL CAP <br />#8 STD. LADDER TYPE <br />(#7 STD. FOR SLUMPSTONE) <br />REINF. AT TOP COURSE, AT <br />FIRST COURSE, AND 16" O.C. <br />#4 CONT. @12" O.C.