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TELECOMMUNICATIONS PROJECT MANAGEMENT <br />16776 BERNARDO CENTER DRIVE, UNIT 203 <br />SAN DIEGO, CA 92128 <br />15 <br />5 <br />0 <br />5 <br /> <br />S <br />A <br />N <br />D <br /> <br />C <br />A <br />N <br />Y <br />O <br />N <br /> <br />A <br />V <br />E <br />N <br />U <br />E <br />, <br /> <br />B <br />L <br />D <br />G <br /> <br />C <br />. <br />IR <br />V <br />I <br />N <br />E <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />6 <br />1 <br />8 <br />SHEET TITLE: <br />ISSUE STATUS <br />DATEREV.DESCRIPTION BY <br />FI <br />S <br />H <br />E <br />R <br /> <br />F <br />L <br />O <br />R <br />A <br />L <br />26 <br />7 <br />7 <br /> <br />3 <br />/ <br />4 <br /> <br />N <br />. <br /> <br />M <br />A <br />I <br />N <br />, <br /> <br />U <br />N <br />I <br />T <br /> <br />W <br />C <br />C <br />0 <br />1 <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 />5 <br />0 02/28/2024 90% CD REVIEW jd <br />1 03/15/2024 90% CD DRM COMMENTS jd <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />03/29/2024 <br />05/17/2024 <br />06/21/2024 <br />08/01/2024 <br />09/25/2024 <br />05/07/2025 <br />06/04/2025 <br />90% CD DRM COMNTS #2 <br />100% FINAL CD <br />REVISED DIESEL TANK <br />REGULATORY HEIGHT <br />BP SUBMITTAL <br />100% CD BP PLANCHECK <br />STRUCT PLANCHECK <br />jd <br />jd <br />rl <br />jd <br />jd <br />jd <br />JD <br />A-0.4 <br />PROPRIETARY INFORMATION <br />THE INFORMATION CONTAINED IN THIS SET OF DRAWINGS <br />IS PROPRIETARY TO VERIZON WIRELESS <br />PR <br />O <br />J <br />E <br />C <br />T <br /> <br />I <br />. <br />D <br />. <br /> <br />1 <br />5 <br />8 <br />6 <br />1 <br />0 <br />6 <br />7 <br />Ren. 4-30-27 <br />No. C 11978 <br />LICENSED A RCHITECT <br />STATE OF CALIFORNIA <br />WILLIAM M. BOOTH <br />STRUCTURAL CONCRETE & <br />MASONRY SPECIFICATIONS <br />STRUCTURAL CONCRETE SPECIFICATIONS <br />1.MINIMUM COMPRESSIVE STRENGTH OF MASONRY, F'm, SHALL BE <br />1500 PSI AT 28 DAYS. COMPLIANCE SHALL BE VERIFIED PER <br />CBC SECTION 2105.3.3. SPECIAL INSPECTION REQUIRED. <br />2.MASONRY UNITS: ASTM C90, GRADE N, TYPE 1, MEDIUM WEIGHT <br />HOLLOW, LOAD BEARING UNITS. <br />MINIMUM COMPRESSIVE STRENGTH: 1900 PSI. <br />3.MORTAR: TYPE "S" CONFORM TO ASTM C270, GRADE N, TYPE 1 <br />MINIMUM COMPRESSIVE STRENGTH: 1900 PSI. <br />4.GROUT: CONFORM TO ASTM C476 <br />MINIMUM COMPRESSIVE STRENGTH: 2000 PSI <br />5.REINFORCING STEEL: <br />LOCATION TYPE <br />REINFORCING TO BE WELDED ASTM A706, GRADE 60 <br />ALL OTHER REINFORCING ASTM A615, GRADE 60 <br />JOINT REINFORCING ASTM A951 <br />6.REINFORCING BAR LAP: 48 BAR DIAMETERS OR AS SPECIFICALLY NOTED ON <br />DRAWINGS. WHERE MULTIPLE BARS ARE INSTALLED IN CELL OR COURSE, <br />STAGGER LAPS A MINIMUM OF 2'-0". <br />7.CENTER VERTICAL REINFORCING IN NON-RETAINING WALLS UNLESS NOTED <br />OTHERWISE. <br />8.LAY UNITS IN RUNNING BOND AND MAINTAIN VERTICAL CONTINUITY OF CORES <br />OR CELL CAVITIES. USE OPEN END UNITS AT LOCATIONS OF VERTICAL <br />REINFORCING. PLACE HORIZONTAL REINFORCING IN BOND BEAM UNITS OR <br />STANDARD LINTEL UNITS. <br />9.FILL ALL CELLS SOLIDLY WITH GROUT. CLEAN CELLS AND BOND BEAMS OF <br />MORTAR PROTRUSIONS AND DEBRIS BEFORE GROUTING. <br />10. PROVIDE THE FOLLOWING MINIMUM CLEARANCES: <br /> LOCATION CLEARANCES <br />BETWEEN REINFORCING AND <br />INSIDE FACE OF MASONRY UNITS 1/2" CLEAR <br />BETWEEN PARALLEL BARS 1" CLEAR <br />EMBEDDED BOLTS 1" CLEAR ALL AROUND <br />STRUCTURAL MASONRY SPECIFICATIONS <br />11. VERTICAL REINFORCEMENT IN WALLS, PILASTERS ETC. SHALL BE DOWELED TO THE FOOTING <br />WITH DOWELS THE SAME SIZE AND SPACING AS THE VERTICAL REINFORCING IN MASONRY, <br />UNLESS NOTED OTHERWISE. <br />12.FOR LOW-LIFT GROUTING, LAY UNITS A MAXIMUM OF 2 FEET HIGH BEFORE GROUTING. PLACE <br />GROUT IN A CONTINUOUS PLACEMENT IN GROUT LIFTS NOT EXCEEDING 2 FEET. COMPLETELY <br />GROUT THE FULL HEIGHT OF THE WALL SECTION IN ONE DAY WITH NO INTERRUPTIONS GREATER <br />THAN ONE HOUR. <br />13.FOR HIGH-LIFT GROUTING, LAY UNITS A MAXIMUM OF 12 FEET HIGH BEFORE GROUTING. PLACE <br />GROUT IN A CONTINUOUS PLACEMENT IN GROUT LIFTS NOT EXCEEDING 6 FEET. COMPLETELY <br />GROUT THE FULL HEIGHT OF THE WALL SECTION IN ONE DAY WITH NO INTERRUPTIONS GREATER <br />THAN ONE HOUR. PROVIDE CLEANOUTS AT EVERY CELL ALONG THE BOTTOM COURSE OF EACH <br />GROUT LIFT. USE SIKA GROUT AID TYPE II OR E-Z MIX ADMIXTURE IN THE GROUT TO REDUCE <br />EARLY WATER LOSS AND PRODUCE AN EXPANSIVE ACTION. <br />14.CONDUITS SHALL NOT BE PLACED IN CELLS UNLESS SPECIFICALLY DETAILED <br />15. TWO #4 BARS REQUIRED AROUND ALL WALL OPENINGS. <br />EXTEND 48 BAR DIAMETERS (24" MINIMUM) BEYOND OPENING <br />16.WALLS SHALL BE LATERALLY BRACED UNTIL CONNECTING DIAPHRAGMS ARE COMPLETE <br />17. VERTICAL REINFORCEMENT SHALL BE SECURED IN POSITION AT INTERVALS NOT GREATER THAN <br />200 BAR DIAMETERS. <br />18.SPECIAL INSPECTION IS REQUIRED FOR ALL MASONRY WORK OTHER THAN FULLY GROUTED <br />OPEN-END HOLLOW-UNIT MASONRY, DURING PREPARATION AND TAKING OF ANY REQUIRED <br />PRISMS OR TEST SPECIMENS, PLACING OF ALL MASONRY UNITS, PLACEMENT OR <br />REINFORCEMENT, INSPECTION OF GROUT SPACE, IMMEDIATELY PRIOR TO CLOSING OF <br />CLEAN-OUTS, AND DURING ALL GROUT OPERATIONS <br />EXCEPTION: FOR HOLLOW-UNIT MASONRY WHERE THE F'C IS NO MORE THAN 1,500 PSI FOR <br />CONCRETE UNITS OR 2,600 PSI FOR CLAY UNITS, SPECIAL INSPECTION MAY BE PERFORMED AS <br />REQUIRED FOR FULLY GROUTED OPEN-END HOLLOW-UNIT MASONRY. <br />FOR FULLY GROUTED OPEN-END HOLLOW-UNIT MASONRY DURING PREPARATION AND TAKING OF <br />ANY REQUIRED PRISMS OR TEST SPECIMENS, AT THE START OF LAYING UNITS, AFTER THE <br />PLACEMENT OF REINFORCING STEEL, GROUT SPACE PRIOR TO EACH GROUTING OPERATION AND <br />DURING ALL GROUTING OPERATIONS. <br />A. GENERAL <br />1.UNLESS SPECIFICALLY NOTED OTHERWISE OR SPECIFIED IN THESE DRAWINGS, <br />THE FOLLOWING GENERAL NOTES SHALL APPLY. INFORMATION ON THESE <br />DRAWINGS SHALL HAVE THE FOLLOWING PRECEDENCE. <br />A.ALL DIMENSIONS TO TAKE PRECEDENCE OVER SCALE SHOWN ON PLANS, <br />SECTIONS AND DETAILS. <br />B.SPECIFIC NOTES AND DETAILS ON DRAWINGS SHALL TAKE PRECEDENCE <br />OVER GENERAL NOTES AND TYPICAL DETAILS. <br />C.MATERIAL NOTES AND SPECIFICATIONS ON THE DRAWINGS SHALL TAKE <br />PRECEDENCE OVER THE SPECIFICATIONS. <br />2.SEE OTHER SHEETS IN THESE DRAWINGS FOR INFORMATION AND DIMENSIONS <br />NOT SHOWN THAT MAY BE NEEDED FROM OTHER TRADES TO PROPERLY <br />COMPLETE THE CONCRETE WORK. <br />3.CONSTRUCTION DETAILS NOT FULLY SHOWN OR NOTED SHALL BE SIMILAR TO <br />DETAILS SHOWN FOR SIMILAR CONDITIONS. <br />4.THESE DRAWINGS AND ASSOCIATED DETAILS REPRESENT THE FINISHED <br />STRUCTURE. THEY DO NOT INDICATE THE MEANS OR METHODS OF <br />CONSTRUCTION UNLESS SPECIFICALLY NOTED OTHERWISE. <br />5.IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO INSTALL ALL <br />TEMPORARY BRACING AND SHORING TO INSURE THE SAFETY OF THE WORK <br />UNTIL IT IS IN ITS COMPLETED FORM. THIS INCLUDES UNDERPINNING (E) <br />FOOTINGS WHERE APPLICABLE. <br />B.MATERIALS <br />1.DETAIL, PREPARE, FORM, CURE AND PLACE CONCRETE IN ACCORDANCE WITH ACI 315, <br />ACI 318-14, CRSI AND ACI DETAILING MANUAL. <br />2.CHAMFER ALL EXPOSED EDGES 3/4". <br />3.CONCRETE FOR THIS PROJECT SHALL HAVE THE FOLLOWING MINIMUM ULTIMATE <br />COMPRESSIVE STRENGTH AT AGE OF 28 DAYS: <br />CONTRACTOR SHALL PROVIDE CONCRETE TEST CYLINDERS AS REQUIRED FOR <br />7 DAY AND 28 DAY TESTING. TEST DATA SHALL BE SUBMITTED TO CONSTRUCTION <br />MANAGER FOR REVIEW AND APPROVAL. SLUMP FOR CAISSON FOUNDATION SHALL BE <br />FOR DRY SHAFT (NO TEMPORARY CASING). WHERE TEMPORARY CASING IS REQUIRED <br />REFER TO GEOTECHNICAL REPORT. <br />4.CONCRETE WITH SPECIFIED STRENGTH REQUIRED TO BE GREATER THAN 2500psi <br />SHALL BE CONTINUOUSLY INSPECTED DURING PLACEMENT BY A SPECIAL INSPECTOR <br />EMPLOYED BY A TESTING LABORATORY APPROVED BY THE BUILDING DEPARTMENT. <br />SEE SHEET A-0.2. <br />5.REINFORCING BAR GRADES: REINFORCING STEEL SHALL BE CLEAN, PREFORMED <br />BARS CONFORMING TO ASTM A615 AS FOLLOW: <br />#4 & LARGER BARS...................... GRADE 60 <br />6.CEMENT: <br />a.FOOTINGS & SLABS: TYPE II, CONFORMING TO ASTM C-150. <br />b.PIER & CAISSON FOOTINGS: TYPE II, WITH 6% (+/-.5%) ENTRAINED AIR <br />CONFORMING TO ASTM C-150. <br />c.SEE CONCRETE AND SOIL SULFATE CONTENT NOTES ELSEWHERE ON THIS SHEET <br />7.AGGREGATE USED IN THE CONCRETE SHALL CONFORM TO ASTM C-33. USE <br />ONLY AGGREGATES KNOWN NOT TO CAUSE EXCESSIVE SHRINKAGE. THE <br />MAXIMUM SIZE AGGREGATE IN CONCRETE WORK SHALL BE THE FOLLOWING: <br />A.FOOTINGS, PAD & SLABS 9" THICK OR LESS: 3/4" GRAVEL (MAXIMUM) <br />B.PIER AND CAISSON FOOTINGS: 1" GRAVEL <br />8.WATER SHALL BE CLEAN AND FREE FROM DELETERIOUS AMOUNT OF ACIDS, <br />ALKALIS, ORGANIC MATERIALS AND SHALL BE SUITABLE FOR HUMAN <br />CONSUMPTION. <br />9.PREPARATION OF CONCRETE SHALL CONFORM TO ASTM C-94. NO MORE <br />THAN 90 MINUTES SHALL ELAPSE BETWEEN CONCRETE BATCHING AND <br />CONCRETE PLACEMENT UNLESS APPROVED BY A TESTING AGENCY. <br />10.CONCRETE SHALL NOT BE FLOPPED THROUGH REINFORCING STEEL (AS IN <br />WALLS, COLUMNS, CAISSONS, AND DROP CAPITALS) SO AS TO CAUSE <br />SEGREGATION OF AGGREGATES. USE HOPPERS, CHUTES, TRUNKS OR PUMP <br />HOSE SO THAT THE FREE UNCONFINED FALL OF CONCRETE SHALL NOT <br />EXCEED 5 FEET. <br />11.SPLICES OF REINFORCING STEEL SHALL BE LAPPED A MINIMUM OF 30 <br />DIAMETERS OR AS SPECIFICALLY DETAILED ON DRAWINGS AND SECURELY <br />WIRED TOGETHER. SPLICES OF ADJACENT REINFORCING BARS SHALL BE <br />STAGGERED WHEREVER POSSIBLE. <br />12.REINFORCING BAR CLEARANCE: UNLESS SPECIFICALLY NOTED OTHERWISE, <br />CONCRETE COVERAGE FOR REINFORCING BARS TO FACE OF BAR SHALL BE <br />AS NOTED BELOW. MINIMUM COVERAGE FOR JOISTS, BEAMS, GIRDERS AND <br />COLUMNS SHALL BE TO FACE OF STIRRUPS OR TIES. <br />A.CONCRETE IN CONTACT WITH EARTH, UNFORMED: 3" <br />B.CONCRETE IN CONTACT WITH EARTH, FORMED: 2" <br />C.WALL, EXTERIOR FACE: 1-1/2" <br />D.WALL, INTERIOR FACE: 1" <br />E.STRUCTURAL SLABS: 3/4" <br />F.JOISTS: 3/4" <br />G.BEAMS, GIRDERS AND COLUMNS: 1-1/2" <br />13.NO SLEEVES OR CHASES SHALL BE PLACED IN BEAMS, SLABS, WALLS AND <br />COLUMNS, EXCEPT THOSE SHOWN ON THESE DRAWINGS. CONTRACTOR <br />SHALL OBTAIN PRIOR APPROVAL FOR INSTALLATIONS OF ANY ADDITIONAL <br />SLEEVES OR CHASES. ALL PLUMBING, ELECTRICAL AND MECHANICAL <br />OPENINGS SHALL BE IN SLEEVES. CORING IS NOT ALLOWED UNLESS PRIOR <br />APPROVAL IS OBTAINED FROM THE STRUCTURAL ENGINEER. <br />14.CONDUIT PLACED IN A CONCRETE SLAB SHALL NOT HAVE AN OUTSIDE <br />DIAMETER GREATER THAN 1/4 THE THICKNESS OF THE SLAB. CONDUIT SHALL <br />NOT BE EMBEDDED IN A SLAB THAT IS LESS THAN 3-1/2" THICK, UNLESS SLAB <br />IS LOCALLY THICKENED. SEE TYPICAL DETAIL. MINIMUM CLEAR DISTANCE <br />BETWEEN CONDUITS SHALL BE SIX INCHES. <br />15.ALL ANCHOR BOLTS, REINFORCING STEEL, DOWELS, INSERTS, AND OTHER <br />EMBEDDED ITEMS SHALL BE WELL SECURED IN POSITION PRIOR TO PLACING <br />CONCRETE. NO REPOSITIONING DURING CONCRETE POUR IS PERMITTED. <br />16.ALL CONCRETE SHALL BE CONSOLIDATED BY INTERNAL VIBRATION IN <br />ACCORDANCE WITH A.C.I. STANDARDS 309-72 RECOMMENDED PRACTICE FOR <br />CONSOLIDATION OF CONCRETE. <br />17.ALL COLD WEATHER & HOT WEATHER CONCRETE PLACEMENT SHALL BE IN <br />ACCORDANCE WITH A.C.I. 305 AND 306. <br />18.SLABS SHALL BE SPRAYED WITH A CURING COMPOUND IMMEDIATELY AFTER <br />FINISHING. KEEP SLAB WET FOR A (7) DAY PERIOD MINIMUM. <br />_______________________________________________________________ <br />_______________________________________________________________ <br /> LOCATION STRENGTH WEIGHT SLUMP ADMIXTURE <br />A.EQUIPMENT ENCLOSURE 4,000psi 150pcf 4"NONE <br />STRUCTURAL STEEL SPECIFICATIONS <br />STRUCTURAL WELDING: <br />1.SEE SHEETS A-0.1 & A-0.2 FOR STANDARD SPECIAL INSPECTION NOTES FOR STEEL FABRICATION AND WELDING. <br />STRUCTURAL STEEL: <br />1.DESIGN, MATERIALS AND WORKMANSHIP SHALL CONFORM TO THE FOLLOWING: <br />A."SPECIFICATION FOR STRUCTURAL STEEL BUILDINGS" <br />B."AISC CODE OF STANDARD PRACTICE" LATEST EDITION <br />C.AISC, 15TH EDITION PER ASCE 7 <br />2.ALL FABRICATION SHALL BE DONE BY AN AISC APPROVED FABRICATOR. <br />3.STRUCTURAL STEEL SHALL CONFORM TO THE FOLLOWING: <br />W SHAPES:ASTM A992 GRADE 50 <br />STRUCTURAL STEEL PIPE:ASTM A53 GRADE B. <br />HOLLOW STRUCTURAL SECTIONS:ASTM A500 GRADE B. <br />ALL OTHER SHAPES, PLATES AND BARS:ASTM A36 <br />4.ALL WELDING SHALL CONFORM TO AWS D1.1 LATEST EDITION AND SHALL BE PERFORMED BY <br />CERTIFIED WELDERS QUALIFIED UNDER THE PROCEDURES THEREIN. THE FOLLOWING <br />SECTIONS SHALL BE GIVEN SPECIAL ATTENTION. <br />*SECTION 5.3 FOR QUALIFIED WELDER. <br />*SECTION 4.2 FOR PREHEAT AND INTERPASS TEMPERATURES. <br />*SECTION 4, PARTS B, C, AND D FOR ARC WELDING TECHNIQUES. <br />*SECTION 6 AND SECTION 8, PART D FOR INSPECTION. <br />5.ARC-WELDING ELECTRODES/FILLER METALS TO BE LOW HYDROGEN TYPES E7XTX, E7XTXX OR <br />E70XXX MINIMUM AS APPLICABLE. ELECTRODES WITH CHARPY V-NOTCH (CVN) TESTS VALUES <br />OF A MINIMUM 20 FOOT-POUNDS AT 20 DEGREES FAHRENHEIT ARE TO BE USED AT THE <br />FOLLOWING LOCATIONS: <br />COMPLETE JOINT PENETRATION WELDS <br />6.STEEL CONNECTORS SHALL CONFORM TO THE FOLLOWING: <br />ANCHOR RODS:ASTM A1554 GRADE 55 UNO. <br />BOLTS:ASTM A307 UNO. <br />NUTS:ASTM A563, HEX GRADE A UNO. <br />HIGH STRENGTH BOLTS:ASTM F3125 OR A325. <br />NUTS FOR HIGH STRENGTH BOLTS:ASTM A563, HEAVY HEX GRADE C. <br />WASHERS:ASTM F436. <br />7.ALL BOLT HOLES SHALL BE AS FOLLOWS: <br />MEMBER-TO-MEMBER STANDARD DIAMETER UNLESS <br />APPROVED BY THE STRUCTURAL <br />ENGINEER <br />BASE PLATES OR ANCHOR ROD HOLE: <br />3/4, 7/8"Ø:5/16" OVERSIZE <br />1", 2"Ø:1/2" OVERSIZE <br />OVER 2"Ø:1" OVERSIZE <br />8.INSTALLATION AND TIGHTENING SHALL CONFORM TO THE 1985 AISC "SPECIFICATION FOR <br />STRUCTURAL JOINTS USING ASTM A325 OR A490 BOLTS." <br />9.ALL REQUIRED HOT-DIP GALVANIZED STEEL SHALL CONFORM TO THE FOLLOWING <br />STANDARDS, THOROUGHLY COATED WITH ZINC-RICH PRIMER: <br />STEEL HARDWARE AND SMALLER ITEMS ASTM A153 <br />ALL OTHER STEEL ASTM A123 & ASTM F2329 <br />REPAIR GALVANIZING AFTER ALL WELDING IN ACCORDANCE WITH ASTM A780 <br />10.PLATFORM DECKING: <br />McNICHOLS GW-225 BAR GRATING. 2-1/4" DEEP, 12-1/16" WIDE, (11) 3/16" WIDE BARS PER PLANK <br />STRUCTURAL TESTS AND INSPECTIONS <br />ITEM SPECIFICATION <br />STRUCTURAL WELDING: <br />GENERAL <br />STRUCTURAL STEEL AWS D1.1 <br />SHEET STEEL AWS D1.3 <br />REINFORCING STEEL AWS D1.4 <br />FULL PENETRATION OR <br />GROOVE WELDS ULTRASONIC OR RADIOGRAPHIC TESTING <br />THE FOLLOWING SECTIONS OF AWS D1.1 SHALL BE GIVEN SPECIAL ATTENTION: <br />*SECTION 5.3 FOR QUALIFIED WELDER. <br />*SECTION 4.2 FOR PREHEAT AND INTERPASS TEMPERATURES. <br />*SECTION 4, PARTS B, C, AND D FOR ARC WELDING TECHNIQUES. <br />*SECTION 6 AND SECTION 8, PART D FOR INSPECTION. <br />NONDESTRUCTIVE TESTING <br />1.IN SEISMIC ZONES 3 AND 4, WELDED, FULLY RESTRAINED CONNECTIONS BETWEEN THE PRIMARY MEMBERS OF <br />ORDINARY MOMENT FRAMES AND SPECIAL MOMENT-RESISTING FRAMES SHALL BE TESTED BY NONDESTRUCTIVE <br />METHODS FOR COMPLIANCE WITH APPROVED STANDARDS AND JOB SPECIFICATIONS. THIS TESTING SHALL BE A <br />PART OF THE SPECIAL INSPECTION REQUIREMENTS OF THE CALIFORNIA BUILDING CODE CHAPTER 17. A PROGRAM <br />FOR THIS TESTING SHALL BE ESTABLISHED BY THE PERSON RESPONSIBLE FOR STRUCTURAL DESIGN AND AS <br />SHOWN ON PLANS AND SPECIFICATIONS. <br />2.AS A MINIMUM, THIS PROGRAM SHALL INCLUDE THE FOLLOWING: <br />ALL COMPLETE PENETRATION GROOVE WELDS CONTAINED IN JOINTS AND SPLICES SHALL BE TESTED 100 PERCENT <br />EITHER BY ULTRASONIC TESTING OR BY RADIOGRAPHY. <br />EXCEPTIONS: <br />WHEN APPROVED, THE NONDESTRUCTIVE TESTING RATE FOR AN INDIVIDUAL WELDER OR WELDING OPERATOR MAY <br />BE REDUCED TO 25 PERCENT, PROVIDED THE REJECT RATE IS DEMONSTRATED TO BE 5 PERCENT OR LESS OF THE <br />WELDS TESTED FOR THE WELDER OR WELDING OPERATOR. A SAMPLING OF AT LEAST 40 COMPLETED WELDS FOR A <br />JOB SHALL BE MADE FOR SUCH REDUCTION EVALUATION. REJECT RATE IS DEFINED AS THE NUMBER OF WELDS <br />CONTAINING REJECTABLE DEFECTS DIVIDED BY THE NUMBER OF WELDS COMPLETED. FOR EVALUATING THE <br />REJECT RATE OF CONTINUOUS WELDS OVER 3 FEET IN LENGTH WHERE THE EFFECTIVE THROAT THICKNESS IS I <br />INCH OR LESS, EACH 12-INCH INCREMENT OR FRACTION THEREOF SHALL BE CONSIDERED AS ONE WELD. FOR <br />EVALUATING THE REJECT RATE ON CONTINUOUS WELDS OVER 3 FEET IN LENGTH WHERE THE EFFECTIVE THROAT <br />THICKNESS IS GREATER THAN I INCH, EACH 6 INCHES OF LENGTH OR FRACTION THEREOF SHALL BE CONSIDERED <br />ONE WELD. <br />3.FOR COMPLETE PENETRATION GROOVE WELDS ON MATERIALS LESS THAN 5/16 INCH THICK, NONDESTRUCTIVE <br />TESTING IS NOT REQUIRED; FOR THIS WELDING WHEN CONTINUOUS INSPECTION IS REQUIRED. WHEN APPROVED BY <br />THE BUILDING OFFICIAL AND OUTLINED IN THE PROJECT PLANS AND SPECIFICATIONS, THIS NONDESTRUCTIVE <br />ULTRASONIC TESTING MAY BE PERFORMED IN THE SHOP OF AN APPROVED FABRICATOR UTILIZING QUALIFIED TEST <br />TECHNIQUES IN THE EMPLOYMENT OF THE FABRICATOR. <br />4.PARTIAL PENETRATION GROOVE WELDS WHEN USED IN COLUMN SPLICES SHALL BE TESTED EITHER BY <br />ULTRASONIC TESTING OR RADIOGRAPHY WHEN REQUIRED BY THE PLANS AND SPECIFICATIONS. FOR PARTIAL <br />PENETRATION GROOVE WELDS WHEN USED IN COLUMN SPLICES, WITH AN EFFECTIVE THROAT LESS THAN 3/4 INCH <br />THICK, NONDESTRUCTIVE TESTING IS NOT REQUIRED; FOR THIS WELDING WHEN CONTINUOUS SPECIAL INSPECTION <br />IS REQUIRED. <br />5.BASE METAL THICKER THAN 1-1/2 INCHES , WHEN SUBJECTED TO THROUGH-THICKNESS WELD SHRINKAGE STRAINS, <br />SHALL BE ULTRASONICALLY INSPECTED FOR DISCONTINUITIES DIRECTLY BEHIND SUCH WELDS AFTER JOINT <br />COMPLETION. <br />6.ANY MATERIAL DISCONTINUITIES SHALL BE ACCEPTED OR REJECTED ON THE BASIS OF THE DEFECT RATING IN <br />ACCORDANCE WITH THE (LARGER REFLECTOR) CRITERIA OF APPROVED NATIONAL STANDARDS. <br />HIGH STRENGTH BOLTING A325SC (TWIST-OFF) PER PLAN: <br />1.THE INSPECTION OF HIGH-STRENGTH A325 AND A490 BOLTS SHALL BE IN ACCORDANCE WITH THE 1985 AISC <br />"SPECIFICATION FOR STRUCTURAL JOINTS USING ASTM A325 OR A490 BOLTS." <br />2.WHILE THE WORK IS IN PROGRESS, THE SPECIAL INSPECTOR SHALL DETERMINE THAT THE REQUIREMENTS <br />FOR BOLTS, NUTS, WASHERS AND PAINT; BOLTED PARTS; AND INSTALLATION AND TIGHTENING IN SUCH <br />STANDARDS ARE MET. SUCH INSPECTIONS MAY BE PERFORMED ON A PERIODIC BASIS. THE SPECIAL <br />INSPECTOR SHALL OBSERVE THE CALIBRATION PROCEDURES WHEN SUCH PROCEDURES ARE REQUIRED BY <br />THE PLANS OR SPECIFICATIONS AND SHALL MONITOR THE INSTALLATION OF BOLTS TO DETERMINE THAT ALL <br />PLIES OF CONNECTED MATERIALS HAVE BEEN DRAWN TOGETHER AND THAT THE SELECTED PROCEDURE IS <br />PROPERLY USED TO TIGHTEN ALL BOLTS. <br />3.ALL STRUCTURAL BOLTS SHALL BE TIGHTENED PER THE "TURN-OF-THE-NUT" METHOD DEFINED BY AISC