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Home My WebLink AboutPLANS35 LF 12 ,; CONIC. BEAM (TYP.) � CEILING BOARD '12"O CONCRETE \COLUMN (TYP.) POSSIBLE— COL/BEAM FAILURE EXPOSED REBAR (ROOF) PP - -- - C- PP emu- T D PP LHS' C. -- -C _C -C C3 E,3 -c 22' U.N.O. 4 4 10'-U" F LE" C (0 PY CARPORT B _ SCALE: 1/16" = 1'-0" z SCOPE OFWORK: REMOVE UNSOUND STUCCOAND CONCRETEATDAMAGEDAREASPER DETAILS FOLLOWINTERNA770MAL CONCRETERESTORA770i INSTITUTES RECOMMENDATION AND DETAILS ON THE PLANS. WATERPROOF THE TOP OF THE CONCRETE DECK FINISH TO MATCH EXISTING BUILDING. DESIGN CRITERIA AND LOADS: 1. WIND DESIGN: WIND SPEED (MPH) V(ADJ)=124 V(UL7)=160 RISK CATEGORY 11 EXPOSURE CATEGORY D ENCLOSURE CLASSIFICATION ENCLOSED INTERNAL PRESSURE COEFFICIENT CPI-�F 0.1H TOPOGRAPHICFACTOR KZT=1.0 GENERAL REQUIREMENTS L PLANAND DETAIL N07ESAND SPECIFIC LOADING DATA PROVIDED ON INDIVIDUAL PLANS AND DETAIL DRAWINGS SUPPLEMENTS IMFORMA710MIN THE STRUCTURAL GENERAL NOTES. 2 THE DESIGN AND CONSTRUCTION OF THIS PROJECT IS GOVERNED BYTHE 'FLORIDA BUILDING CODE (FBC)', FIFTH EDITION, HEREAFTER REFERRED TO AS THE FBC, AS ADOPTED AND MODIFIED BY THE AUTHORITY HAVING JURISDICTION (AHQ. 3. WHERE OTHER STANDARDS ARE NOTED IN THE DRAW/NGS, USE THE LATESTEDIT/ON OF THE STANDARD UNLESS SPECIFIC DATE IS INDICATED. REFERENCE 70A SPECIFIC SEC77ONINA CODE DOES NOT RELEVE 7HE CONTRACTOR FROM COMPLIANCE WITH THE ENTIRE STANDARD. A THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING DETAILS AND ACCURACY OF THE WORK WITH ENGINEERS, FOR CONFIRMING AND CORRELATING ALL QUANNNES AND DIMENSIONS' FOR SELECTING FABRICATION PROCESSES FOR TECHNIQUES OF ASSEMBLY,AND FOR PERFORMING WORKINASAFEAND SECUREMANNER 5. IN CASE OF DISCREPANCIES BETWEEN THE GENERAL NOTES, SPECIFICATIONSPLAWDETAILS REFERENCE STANDARDS THE ENGINEER SHALL DETERMINE WHICH SHALL GOVERN. & THE STRUCTURAL DRAWINGS ARE INTENDED TO SHOW THE GENERAL CHARACTER AND On ENT OF THE PROJECTAND ARE NOT INTENDED TO SHOW ALL DETAILS OF THE WORK ARCHITECTURAL DRAWINGS SHALL GOVERN THE WORK FOR ALL DIMENSIONS. 7. ALTERNATE PRODUCTS OF SIMILAR STRENGTH, NATURE AND FORM FOR SPECIFIED ITEMS MAY BE SUBMITTED WITH ADEQUATE TECHNICAL DOCUMENTATION TO THE ARCHITECDENGINEER FOR REVIEW. ALTER&TEMATER/ALS THATARE SUBMITTED MTHOUTADEQUATE TECHNICAL DOCUMENTATION THATSIGNIFICANTLYDEVIATEFROM THEDESIGNINTENTOFMATER/ALS SPECIFIED MAYBERETURNED WNHOUTREWEW. ALTERNATES THATREQUIRESUBSTANNAL EFFORTTOREV/EW MLLNOT BEREWEWED UNLESSAUTHORT/FD SYTHEOWNER & DISCREPANCIES OMISSIONS OR INCONSISTENCIES WIIHAPPLICABLE CODEREQUIREMENTSSHALL BEBROUGHTTO THEATTENTIONOF THE ARCHITECTIFWGINEER IN WRITING BEFORE SUBMIMNG A BID OR PROCEEDING WITH THE WORK 9. THE CONTRACTOR SHALL VERIFYALL DIMENSIONSAND CONDITIONS AT THE SITE CONFLICTS BETWEEN THE DR41WNGS AND ACTUAL SITE CONDITIONS SHALL BE BROUGHT TO THE ATTENTION OF THE ARCHITECT/ENGINEER IN WRITING BEFORE PROCEEDING WITH THE WORK 10. THE CONTRACTOR IS RESPONSIBLE FOR THE STRENGTH AND STABILITY OF THE STRUCTURE DURING CONSTRUCITONAND SHALL PROVIDE TEMPORARY SHORING, BRACING AND OTHER ELEMENTS REQUIRED TO MAINTAIN STABILITYUN77L THE S TRUCTURE IS COMPLETE DO NOT LOAD STRUCTURES, NEW ORSGSTINB, WITH WEIGHT THAT KILL ENDANGER STRUCTURE IT IS THE CONTRACTOR'S RESPONSIBILITY TO BEFAM/LIAR WIN THE WORK REQUIRED IN THE CONSTRUCTION DOCUMENTS AND THE REQUIREMENTS FOR E)ECU77NG IT PROPERLY. STRUCTURAL CERRFICA770N 1. 1 CER77FYTHAT THE PLANS AND SPECIFICATIONS COMPLY WITH THE STRUCTURAL PORTION OF THE FLORIDA BUILDING CODE FIFTH EDITION. 2 I ALSO CERTIFY THAT STRUCTURAL ELEMENTS DEPICTED ON THESE PLANS PROWDEADEQUATE RESISTANCE TO THE WIND LOADS SPECIFIED IN SECTION 1609INTHEFBC. LEGEND: —CR— CRACK IN BEAM —C — CRACK IN COLUMN — U CRACK IN BOTTOM OF SLAB PP PEELED PAINT THESE PLANS AND ALL PROPOSCD Ve OR;: ARE SMECT TO ANY C011REC T ICNS —R OL'IRED BY FIELD INSPECTORS THAT I AY BE NECESSARY 1.11 OiTDEK TG CJ':l! Lt WITH H ALL A"P LIC1. N ILE CUM& �uANNED BY ► -ucie County 6' THICK PRE -CAST CONCRETE SLAB(TYP.) CARPORTB 20'-9' --n- 'V 40'-6' SITE MAP SCALE: 1132'=1W NORTH ST. LUCIE COUNTY BUILDING DIVISION REVIEWED FOR COMEWANCEI REVIEWED BY DATE r, 2-z4 /7 A MUST BE KEPT ON dbB OR NO INSPECTION WILL BE MADE \CENs, No. 61000 STATE OF " ORM' -. _'TONAL ?* wfH 1' Z IM W COLUMN DELAMINATIONS REPAIR REPAIR PROCEDURE: EXISTING CONDITIONS 1. SHORE STRUCTURE TO RELIEVE LOAD FROM COLUMN SEVERE SPALL AS MUCH AS POSSIBLE. 2. REMOVE ALL DAMAGED OR UNSOUND CONCRETE FOLLOWING THE COND17IONING OF CONCRETE GUIDELINES. 3. SAWCUT THE PERIMETER OF THE REPAIR AREA FORMING A SHOULDER PERPENDICULAR TO THE SUBSTRATE. 4. THE WR71CAL AND HORIZONTAL SURFACES SHALL BE ROUGHENED WITH #" AMPLITUDE. STEP 1 5. SANDBLAST OR HYDROBLAST THE EXPOSED CONCRETE AND REBAR TO REMOVE DUST, LAITANCE AND 07HER r AROUND BOND INHIBITING MATERIALS. AVOID DAMAGING OR TER OF SPALL CUTTING EXIS77NG REINFORCEMENT. 6. INSERT NEW BARS OF EQUAL DIAMETER NEXT TO THOSE THAT HAVE DETERIORATED BY MORE THAN 159 )NCRETE OUT TO ALL NEW STEEL SHALL BE ASTM A-615 GRADE 60. CONCRETE AND LAP SPLICES SHALL BE IN ACCORDANCE WITH ACI 318. STEEL TO PRODUCE METAL FINISH. Z COAT ALL NEW AND EXISTING REBAR WITH TWO 10 MILS OF EPDXY, POLYMER CEMENT SLURRY OR A ZINC -RICH COATING FOR CORROSION PROTECTION. INSTALLATION SHALL BE DONE FOLLOWING THE MANUFACTURER SPECIFICATIONS. 8. THE BONDING AGENT SHALL BE INSTALLED AS DESCRIBED IN THE MANUFACTURER SPECIFICATIONS z TO SSD CONCRETE SURFACE. SURFACES 9. FILL THE EXCAVATION WITH REPAIR MORTAR OR READY AND MIX CONCRETE PLACED AS DESCRIBED IN THE )N AGENT. MANUFACTURER SPECIFICATIONS. 10.REPAIR MIX SHALL HAVE A COMPRESSIVE RESISTANCE OF 5,000 PSI AT 28 DAYS AND A WATER CEMENT RA710 OF 0.45 OR LESS OR HAVE NON -SHRINKABLE PROPERTIES. 11. FINISH SURFACE TO TEXTURE AND SM007HNESS STEP 3 REQUIRED FOR THE SPECIFIC APPLICATION. -FILL PREPARED AREA 12. PROVIDE THE ARCHITECTURAL FINISH AS REQUIRED BY WITH REPAIR MORTAR THE OWNER. 13. FOR MATERIAL SELECTION, PHYSICAL PROPERTIES, STEP 4 MIXING, APPLICATION AND CURING INFORMATION REFER - TO APPROPRIATE TECHNICAL DR07ECT SURFACE WITH SPECIFICATIONS FROM APPROPRIATE COATING MANUFACTURER. THESE E! ANIS AND ALL P' OPOar'd WORK ARE SUUMT TO ANY CORRECT !CINS R=OUIRE1) BY Fi LD 1RSFECTORS T1I AT MAY mdE NECGSSAIR, Y IN 0R0ER T v CO "i:f VJITI'I ALL AP ,�l E C0"MS. EXPOSING AND UNDERCUTTING OF REINFORCING STEEL THESE DETAILS ARE APPLICABLE TO HORIZONTAL, VERTICAL AND OVERHEAD LOCATIONS. THEY ARE ALSO APPLICABLE TO REMOVAL BY HYDRO -DEMOLITION, HYDRO-MILLLING, AND ELECTRIC, PNEUMATIC OR HYDRAULIC IMPACT BREAKERS. 1. REMOVE LOOSE OR DELAMINATED CONCRETE ABOVE CORRODED REINFORCING STEEL. 2. ONCE IN171AL REMOVALS ARE MADE, PROCEED WITH THE UNDERCUTTING OF ALL EXPOSED CORRODED BARS. UNDERCUTTING WILL PROVIDE CLEARANCE FOR UNDER BAR CLEANING AND FULL BAR CIRCUMFERENCE BONDING TO SURROUNDING CONCRETE, AND WILL SECURE THE REPAIR STRUCTURALLY. PROVIDE MINIMUM J/ INCH (19 MM) CLEARANCE BETWEEN EXPOSED REBARS AND SURROUNDING CONCRETE OR % INCH (6MM) LARGER THAN LARGEST AGGREGATE IN REPAIR MATERIAL, WHICHEVER IS GREATER. 3. CONCRETE REMOVALS SHALL EXTEND ALONG THE BARS TO LOCATIONS WITH MINIMUM SIX INCHES FREE OF BOND INH1817ING CORROSION, AND WHERE THE BAR IS WELL BONDED TO SURROUNDING.CONCRE7E 4. IF NON -CORRODED REINFORCING STEEL IS EXPOSED DURING THE UNDERCUTTING PROCESS, CARE SHALL BE TAKEN NOT TO DAMAGE THE BARS BOND TO SURROUNDING CONCRETE. IF BOND BETWEEN BAR AND CONCRETE IS BROKEN, UNDERCUTTING OF THE BAR SHALL BE REQUIRED, 5. ANY REINFORCEMENT WHICH IS LOOSE SHALL BE SECURED IN PLACE BY TYING TO 07HER SECURED BARS OR BY 07HER APPROVED METHODS. \\CENS 7 No. 61000 STATE OF '� ORID ' 'TONAL �Nc z O wt=vi J z0j Uf_w U W w SLAB WATER PROOFING SLAB FULL DEPTH REPAIR ADDITIONAL TOP COATS TOP COAT WITH AGGREGATE TO REFUSAL BACKROLLED INTO WET TOP COAT BASE COAT SUBSTRATE. CONCRETE OR LEVELING OVERLAY :aNG GUARD RAILS, SET BOTTOM RAIL 1/4" MIN. OFF DECK TO ALLOW WATER FLOW OFF DECK. REPAIR PROCEDURE. PRODUCTS SHALL BE SIKAGARD FLEXCOAT SYSTEM UNLESS N07ED OTHERWISE. ALLOW CONCRETE DECKS TO DRY FOR 48 HOURS MINIMUM WITHOUT RAINFALL. CONCRETE MUST BE VISIBLY DRY WITH MAXIMUM 47. MOISTURE CONTENT. IF REQUIRED BY THE ENGINEER, A MAT TEST SHALL BE PERFORMED ON ONE OR MORE DECKS PRIOR TO BASE COAT APPLICATION. TEST SHALL COVER AN AREA OF FOUR SQUARE FEET, MAT SHALL BE A 6 MIL CLEAR POLYURETHANE SHEET, SEALED ALL AROUND WITH ADHESIVE TAPE AND IT SHALL REMAIN IN PLACE FOR A MINIMUM OF 16 HOURS. CONCRETE DECKS SHALL BE DRY, CLEAN, SOUND AND FREE OF ALL CONTAMINANTS WHICH MAY INTERFERE WITH ADHESION OR PROPER CURING. 2. APPLY BASE COAT TO TOP OF SLAB AND VERTICAL EDGES PER MANUFACTURER'S SPECIFICATIONS AND ALLOW IT TO CURE BEFORE TOP COAT APPLICATION. EXTEND APPLICATION TO VERTICAL EDGE OF SLAB AND TO DRIP EDGE IF APPLICABLE. 3. AFTER SUFFICIENT CURE TIME, SURFACE DEFECTS SHALL BE REMEDIED, CONTRACTOR SHALL BE RESPONSIBLE FOR CORRECTING PONDING AREAS WITH COATINGS 3/16" OR LESS. ALLOW IT TO CURE FOR 72 HOURS MINIMUM BEFORE OPENING THE BALCONY TO TRAFFIC. TOP COAT APPLIED PER MANUFACTURER'S SPECIFICATIONS. BROADCAST SILICA SAND IMMEDIATELY INTO THE WET TOPCOAT AND BACK ROLL TO EVENLY DISTRIBUTE THE AGGREGATE. TOP COAT TO BE COMPATIBLE WITH BASE COAT. 4. APPLY FINAL TOP COATS PER MANUFACTURER'S INSTRUCTIONS. THU-E PL AN$ AND ALL PROPOSr7 1AICIRR ARE SU9JE'CT TO ANY COnRECTICHS R-EOUIRED BY FIELD WSPECTORS THAT I'AAY /P.EI►,IECESSA PaY IN CrRDEri T 0C'J!�.IPL V-11 I H Ai' A7, �L►CASL C CMES. ►.T�J.V:r••�d�Iy�r19:T� a py 1. REMOVE ALL DAMAGED OR UNSOUND CONCRETE FOLLOWING THE CONDITIONING OF CONCRETE GUIDELINES. Ott 2. SAWCUT THE PERIMETER OF THE REPAIR AREA FORMING A SHOULDER PERPENDICULAR TO THE SUBSTRATE. EXISTING CONDITIONS 3. CHIP OUT THE FULL DEPTH. REMOVAL SHALL CONTINUE ALONG THE LENGTH OF THE SEVERE SPALL REINFORCING STEEL UNTIL AT LEAST 6" OF THE UNCORRODED REBAR IS OBSERVED. 4. THE VERTICAL AND HORIZONTAL SURFACES SHALL STEP I BE ROUGHENED WITH }" AMPLITUDE. SAWCUT AROUND 5. SANDBLAST OR HYDROBLAST THE EXPOSED PERIMETER OF SPALL CONCRETE AND REBAR TO REMOVE DUST, LAITANCE AND OTHER BOND INHIBITING MATERIALS. AVOID DAMAGING OR CUTTING EXIS77NG REINFORCEMENT. CHIP CONCRETE OUT TO SOUND CONCRETE AND 6. INSERT NEW BARS OF EQUAL DIAMETER NEXT TO CLEAN STEEL TO PRODUCE THOSE THAT HAVE DETERIORATED BY MORE THAN A WH17E METAL FINISH. 15% ALL NEW STEEL SHALL BE ASTM A-615 GRADE 60. LAP SPLICES SHALL BE IN ACCORDANCE W1771 ACI 318. 7. COAT ALL NEW AND EXISTING REBAR WITH TWO 10 STEP 2 MILS OF EPDXY, POLYMER CEMENT SLURRY OR A ZINC -RICH COA7ING FOR CORROSION PROTECTION. COAT EXPOSED SURFACES INSTALLA77ON SHALL BE DONE FOLLOWING THE M7H APPROVED BONDING MANUFACTURER SPECIFICATIONS. AND AN71-CORROSION AGENT. 8. 714E BONDING AGENT, IF REQUIRED, SHALL BE INSTALLED AS DESCRIBED IN THE MANUFACTURER SPECIFICATIONS. STEP 3 9. FILL EXCAVA71ON WITH APPROPRIATE REPAIR MORTAR, CONSOLIDA7E, FINISH AND CURE. REPAIR FILL PREPARED AREA WI7H MORTAR OR READY MIX CONCRETE SHALL BE REPAIR MORTAR. PLACED AS DESCRIBED IN THE MANUFACTURER SPECIFICATIONS. REPAIR MIX SHALL HAVE A COMPRESSIVE RESISTANCE OF 5,000 PSI AT 28 STEP 4 DAYS AND A WATER CEMENT.RATIO OF 0.45 OR LESS. PROTECT SURFACE V47H APPROPRIATE COA7ING. 10. FINISH SURFACE TO TEXTURE AND SM007HNESS REQUIRED FOR THE SPECIFIC APPLICATION. 11. UPON COMPLETION OF FINISHING OPERATIONS, ALLOW MATERIAL TO CURE IN ACCORDANCE WITH MANUFACTURERS S RECOMMENDA710NS. 12 PROWDE THE ARCHITECTURAL FINISH AS iVlu 9i REQUIRED BY THE OWNER. ,�� Q. \CENSF' * r' No.61000 STATE OF FCOR0' 70NAL E w z 0 'm w z w N �O �mwa>-m °w ZUSW UW� owaexe9 1000 UON f _BEAM OR JOIST SPALLS: MODERATE CONCRETE BEAM OR JOIST SPALLS: SEVERE EXISTING CONDITIONS MODERATE SPALL (SEE N07E 1) STEP i SAW CUT AROUND PERIMETER OF SPALL CHIP OUT TO SOUND CONCRETE (SEE N07E 2) STEP 2 COAT EXPOSED SURFACE WITH BONDING AND ANTI- CORROSION AGENT. STEP 3 FILL PREPARED AREA WITH REPAIR MORTAR (SEE NOTE 6) STEP 4 PR07ECT SURFACE WITH APPROPRIATE COATING (SEE NOTE 7) NOTES.- 1. MODERATE SPALL DEEPER THAN ;" (7MM) WITH SOME AGGREGATE LOSS, BUT NO EXPOSED RE -BAR. 2. REMOVE ALL DAMAGED OR UNSOUND CONCRETE. 3. THE EXPOSED SURFACES SHALL BE ROUGHENED WITH 4• AMPLITUDE. 4. PRESSURE WASH AFTER EXCAVATION TO REMOVE DUST, LAITANCE, AND OTHER BOND INHIBITING MATERIALS, SSD (SATURATED -SURFACE -DRY) SUBSTRATE. 5. APPLY A 20 MIL COA71NG OF BONDING AND AN77-CORROSION AGENT ONTO THE PREPARED SSD SURFACE TO INSURE PROPER BOND OF THE REPAIR MATERIAL. 6. FILL EXCAVATION W17H APPROPRIATE REPAIR MORTAR, CONSOLIDATE, FINISH AND CURE. REPAIR MORTAR OR READY MIX CONCRETE SHALL BE PLACED AS DESCRIBED IN THE MANUFACTURER SPECIFICATIONS. REPAIR MIX SHALL HAVE A COMPRESSIVE RESISTANCE OF 5,000 PSI A T 28 DAYS AND A WATER CEMENT RA710 OF 0.45 OR LESS. 7. APPLY PR07EC71VE WATERPROOF COATING TO PREPARED SUBSTRATE. 8. PROVIDE THE ARCH17ECTURAL FINISH AS REQUIRED BY OWNER. EXISTING CONDITIONS SEVERE SPALL STEP 1 SAW CUT AROUND PERIMETER OF SPALL CHIP OUT TO SOUND CONCRETE AND CLEAN STEEL TO PRODUCE A WHITE METAL FINISH TEP 2 OAT EXPOSED URFACE WITH 'ONDING AND N77-CORROSION GENT. STEP 3 FILL PREPARED AREA WITH REPAIR MORTAR STEP 4 PROTECT SURFACE WITH APPROPRIATE COATING . NOTES.- 1. SEVERE SPALLS ARE DEEPER THAN }' (7MM) WITH AGGREGATE LOSS, AND EXPOSED RE -BAR. 2. REMOVE ALL DAMAGED OR UNSOUND CONCRETE FOLLOWING THE CONDITIONING OF CONCRETE GUIDELINES. 3. SAWCUT THE PERIMETER OF THE REPAIR AREA FORMING A SHOULDER PERPENDICULAR TO THE SUBSTRATE. 4. THE VERTICAL AND HORIZONTAL SURFACES SHALL BE ROUGHENED WITH 4° AMPLITUDE. 5. SANDBLAST OR HIDROBLAST THE EXPOSED CONCRETE AND REBAR TO REMOVE DUST, LAITANCE AND OTHER BOND INHIB17ING MATERIALS. AVOID DAMAGING OR CUTRNG EXISTING REINFORCEMENT. 6. INSERT NEW BARS OF EQUAL DIAMETER NEXT TO THOSE THAT HAVE DETERIORATED BY MORE THAN 157. ALL NEW STEEL SHALL BE ASIM A-615 GRADE 60. LAP SPLICES SHALL BE IN ACCORDANCE WITH ACI 318. Z COAT ALL NEW AND EXIS71NG REBAR WITH TWO 10 MILS OF EPDXY, POLYMER CEMENT SLURRY OR A ZINC -RICH COA71NG FOR CORROSION PROTECTION. INSTALLA71ON SHALL BE DONE FOLLOWING THE MANUFACTURER SPECIFICATIONS. 8. THE BONDING AGENT SHALL BE INSTALLED AS DESCRIBED IN THE. - MANUFACTURER SPECIFICATIONS TO SSD (SA TURA 7ED-SURFACE- DRY) CONCRETE SURFACE 9. FILL THE EXCAVATION WIIH REPAIR MORTAR OR READY MIX CONCRETE PLACED AS DESCRIBED IN THE MANUFACTURER SPECIFICATIONS REPAIR MIX SHALL HAVE A COMPRESSIVE RESISTANCE OF 5,000 PSI AT 28 DAYS AND A WATER CEMENT RA710 OF 0.45 OR LESS 10. FINISH SURFACE TO TEXTURE AND SMOOTHNESS REQUIRED FOR THE SPECIFIC APPLICATION. 11. UPON COMPLE71ON OF FINISHING OPERA DONS, ALLOW MATERIAL TO CURE IN ACCORDANCE K17H MANUFACTURERSS RECOMMENDATIONS. 14. APPLY PROIEC71VE WATERPROOF COATING TO PREPARED SUBSTRA7E 15. PROVIDE THE ARCHITECTURAL FINISH AS REQUIRED BY THE OWNER. 16. FOR MATERIAL SELECTION, PHYSICAL PROPERTIES, MIXING, APPLICA7ION AND CURING INFORMATION REFER TO APPROPRIATE TECHNICAL SPECIFICATIONS FROM MANUFACTURER. TNi.SE PsrhilS Ai1Q Ai.L RF?OAOSL"r7 WGBia ASS: SUBJECT TO ANY CORRECT VIS F'CUIFIEDByFIELD If1SPECTORSTHAT BE NECESSA -W IN OF3Ccti T Cr CO ,PLS' WITH ALL A; ;'- UC DLECGiMS. \CENSF' No. 61000 STATE OF ORO% OVERHEAD CONCRETE SPALLS: MODERATE KISTING CONDITIONS ODERATE SPALL EP 1 W CUT AROUND RIME7ER OF SPALL °2 T EXPOSED SURFACE BONDING AND ANTI- ROSION AGENT. STEP 3 FILL PREPARED AREA WITH REPAIR MORTAR STEP 4 PROTECT SURFACE W17H APPROPRIATE COATING NOTES: 1. MODERATE SPALL DEEPER THAN Tq" (7MM) K17H SOME AGGREGATE LOSS, BUT NO EXPOSED RE -BAR. 2. REMOVE ALL DAMAGED OR UNSOUND CONCRETE. 3. THE EXPOSED SURFACES SHALL BE ROUGHENED W17H 4" AMPLITUDE. 4. PRESSURE WASH AFTER EXCAVATION TO REMOVE DUST, LAITANCE, AND OTHER BOND INHIBI7NG MATERIALS, SSD SUBSTRATE. 5. APPLY A 20 MIL COATING OF BONDING AND ANTI -CORROSION AGENT ONTO THE PREPARED SSD SURFACE TO INSURE PROPER BOND OF THE REPAIR MATERIAL. 6. FILL EXCAVATION WITH APPROPRIATE REPAIR MORTAR, CONSOLIDATE, FINISH AND CURE. Z APPLY PR07EC77VE WATERPROOF COATING TO PREPARED SUBSTRATE. 8. PROVIDE THE ARCH17ECTURAL FINISH AS REQUIRED BY OWNER. THESE P_4P•113 AND ALL PROPOSED WORK ARE SUBJECT TO ANY C01-1.9ECTIM-13 REQUIREDr SY FLD IINSPECTOR'STHAT IMAY BE NECIESSAIRY IN yEK TO CO iPLY WITH ALL ARPL}CA"; E C0i;-ES. EDGE AND SURFACE CONDITIONING OF CONCRETE L 3 u (O PY EDGE AND SURFACE CONDITIONING OF CONCRETE ��s�" t� 1. THESE DETAILS ARE APPLICABLE TO HORIZONTAL, VERTICAL, AND OVERHEAD LOCATIONS. THEY ARE ALSO APPLICABLE TO REMOVAL BYHYDRO-DEMOLITION, HYDROMILLING, AND ELECTRIC, PNEUMATIC OR HYDRAULIC IMPACT BREAKERS. BOUNDARY OF LOOSE AND RECOMMENDED DELAMINATED CONCRETE LAYOUT i d< 'a a ° <° e.d e4. VA 2. REMOVE DELAMINATED CONCRETE, UNDERCUT N N REINFORCING STEEL, REMOVE ADDITIONAL CONCRETE AS o REQUIRED TO PROVIDE MINIMUM REQUIRED THICKNESS In LL 2 OF REPAIR MATERIAL. N r c 3. CHIP OUT THE CONCRETE TO EXPOSE THE ENTIRE m o a CIRCUMFERENCE OF THE REBAR. REMOVAL SHALL -> CONTINUE ALONG THE LENGTH OF THE REINFORCING STEEL UNTIL AT LEAST 6" OF UNCORRODED STEEL IS OBSERVED. 4. AT EDGE LOCATIONS, PROVIDE RIGHT ANGLE CUTS TO >uz THE CONCRETE SURFACE WITH EITHER OF THE FOLLOWING METHODS: (- S 4.1. SAWCUT 112 " (13 MM) OR LESS AS REQUIRED M W u TO AVOID CUTTING REINFORCING STEEL. w 4.2. USE POWER EQUIPMENT SUCH AS $ HYDRODEMOLITION OR IMPACT BREAKERS. AVOID '=W� FEATHER EDGES. 4.3. REPAIR CONFIGURATIONS SHOULD BE KEPT AS SIMPLE AS POSSIBLE, PREFERABLY WITH Z SQUARED CORNERS. w O or Q J 5. AFTER REMOVALS AND EDGE CONDITIONING ARE COMPLETE, REMOVE BOND INHIBITING MATERIALS (DIRT, O � p CONCRETE SLURRY, LOOSELY BONDED AGGREGATES) BY ui v Lu ABRASIVE BLASTING OR HIGH PRESSURE WATERBLASTING or WITH OR WITHOUT ABRASIVE. 6. CHECK THE CONCRETE SURFACES AFTER CLEANING TO INSURE THAT SURFACE IS FREE FROM ADDITIONAL _ LOOSE AGGREGATE, OR THAT ADDITIONAL DELAMINATIONS U y ARE NOT PRESENT. = a 7. IF HYDRODEMOLITION IS USED, ¢wt m w z CEMENT AND PAR77CULATE i >- 8 SLURRY MUST BE REMOVEDFROM PREPARED SURFACES ' BEFORE SLURRY 01f� ��F�......�q HARDENS. ,PQC)�: �ENSF 'Iolk No. 61000 TRIF - STATE OF p ET