prepared by KAISER MEDICAL OFFICE BUILDING ANCHOR RETAINING WALL PLANS

Transcription

1 1.0 SCOPE OF WORK 1. THE WORK SHA CONSIST OF FURNISHING AND CONSTRUCTING ANCHOR WA BOCK AND MIRAGRID GEOGRID REINFORCED SOI RETAINING WA SYSTEMS IN ACCORDANCE WITH THIS TECHNICA SCOPE OF WORK AND IN REASONABY COSE CONFORMITY WITH THE INES, GRADES AND DIMENSIONS SHOWN ON THE GRADING PAN BY ATTITUDE 33 PANNING AND ENGINEERING. 2. WORK INCUDED: A. FURNISHING ANCHOR WA SEGMENTA CONCRETE FACING AND CAP UNITS AS SHOWN ON THE CONSTRUCTION DRAWINGS. B. FURNISHING MIRAFI STRUCTURA GEOGRID REINFORCEMENT AS SHOWN ON THE CONSTRUCTION DRAWINGS. C. STORING, CUTTING AND PACING STRUCTURA GEOGRID REINFORCEMENT AS SPECIFIED HEREIN AND AS SHOWN ON THE CONSTRUCTION DRAWINGS. D. PACEMENT AND COMPACTION OF UNIT WA FI AND BACKFI WITHIN THE GEOGRID REINFORCED AREA AS SPECIFIED HEREIN AND AS SHOWN ON THE CONSTRUCTION DRAWINGS. E. ERECTION OF ANCHOR WA SEGMENTA CONCRETE UNITS AND PACEMENT OF STRUCTURA GEOGRID. 2.0 REFERENCE DOCUMENTATION 1. ATTITUDE 33 PANNING AND ENGINEERING, GRADING PAN. 2. GROUP DETA CONSUTANTS, GEOTECHNICA INVESTIGATION, PROJECT NO. SD-223, DATED APRI 1, GROUP DETA CONSUTANTS, MSE WA PAN REVIEW & UPDATED RECOMMENDATIONS, DATED MARCH 2, WHERE SPECIFICATIONS AND REFERENCE DOCUMENTS CONFICT, THE ENGINEER SHA MAKE FINA DETERMINATION OF THE APPICABE DOCUMENT. 3.0 SPECIA PROVISIONS 1. RED ONE ENGINEERING, INC. (RED ONE) AND GEO-X, INC. ASSUMES NO IABIITY FOR INTERPRETATION OF SUBSURFACE CONDITIONS, SUITABIITY OF SOI DESIGN PARAMETERS AND SUBSURFACE GROUNDWATER CONDITIONS MADE BY OTHERS. 2. RED ONE AND GEO-X SHA NOT BE RESPONSIBE FOR THE COST OF A MEANS OF SUBSOI IMPROVEMENT; COST OF ADDITIONA SUBSOI EXPORATION; AND FOR A ABOR TOOS, EQUIPMENT AND INCIDENTAS NECESSARY TO COMPETE THE WORK. THE OWNER SHA BE RESPONSIBE FOR A SUCH COST. 3. THE OWNER SHA BE RESPONSIBE FOR COMPYING WITH A FEDERA, STATE AND OCA REQUIREMENTS FOR THE EXECUTION OF THE WORK, INCUDING OCA BUIDING INSPECTION AND CURRENT OSHA EXCAVATION REGUATIONS. 4. PRIOR TO UNDERTAKING ANY GRADING OR EXCAVATION OF THE SITE, THE CONTRACTOR SHA CONFIRM THE OCATION OF THE PROPOSED RETAINING WAS AND A UNDERGROUND FEATURES, INCUDING UTIITY OCATIONS WITHIN THE AREA OF CONSTRUCTION.. RED ONE HAS COMPETED ENGINEERING DESIGN OF THE PROPOSED RETAINING WA(S), INCUDING INTERNA STABIITY AND OCA EXTERNA STABIITY WHERE APPICABE, BASED UPON THE INFORMATION PROVIDED TO US AS OUTINED ABOVE. RED ONE ASSUMES THAT OTHERS HAVE DETERMINED THE SUITABIITY OF PACING RETAINING WAS AT THE OCATIONS PROVIDED TO US, INCUDING GEOTECHNICA SUITABIITY AND SITE GOBA STABIITY. 4.0 GENERA NOTES 1. THIS SET OF SEGMENTA RETAINING WA PANS ARE BASED ON THE GRADING PANS REFERENCED IN SECTION 2.0. IF OTHER PANS ARE PRODUCED THAT CONTAIN DIFFERENT INFORMATION THAN THAT REFERENCED, THIS PAN MAY NEED TO BE REVISED AND/OR THE WAS MAY NEED TO BE REDESIGNED. 2. THIS SET OF SEGMENTA RETAINING WA PANS ARE BASED SPECIFICAY ON THE WA BEING CONSTRUCTED WITH ANCHOR DIAMOND PRO STONE CUT BOCK AND MIRAGRID 3XT REINFORCEMENT PRODUCTS. ABSOUTEY NO SUBSTITUTIONS AOWED. 3. OCATION OF THE SEGMENTA RETAINING WA IN REATION TO PROPERTY INES, UTIITY EASEMENTS, WATERSHED EASEMENTS, OR ANY OTHER TYPE OF EASEMENTS ARE THE RESPONSIBIITY OF THE OWNER OR THE SITE CIVI ENGINEER. THE ENGINEER OF RECORD ASSUMES NO IABIITY FOR THE OCATION OF THE SEGMENTA RETAINING WA, OR IF CONSTRUCTION OF THE PROPOSED SEGMENTA RETAINING WA ENCROACHES ANY PROPERTY INES OR EASEMENTS. 4. IT IS IMPERATIVE THAT THE SITE SURVEYING OF THE SEGMENTA RETAINING WA BE DONE BY THE SITE CIVI ENGINEER OR SURVEYOR AND MUST BE BASED ON COMPUTER GENERATED SITE/GRADING PANS AND NOT PROFIE PANS DONE BY THE ENGINEER OF RECORD. SURVEYING OF THE SEGMENTA RETAINING WA MUST TAKE INTO ACCOUNT THE DESIGN BATTER INDICATED ON THE ENCOSED PANS AND DETAIS. FAIURE TO TAKE INTO ACCOUNT WA BATTER FOR SEGMENTA RETAINING WA SURVEYING WI PRODUCE INCORRECT OCATIONS OF A TOP OF WAS AND SHA BE CORRECTED AT NO COST TO THE ENGINEER OF RECORD OR THE SEGMENTA RETAINING WA CONTRACTOR.. WA GEOMETRY, OCATIONS, SOPES AND SURCHARGE OADS FOR THE SEGMENTA RETAINING WAS WERE MEASURED FROM THE SITE GRADING PAN REFERENCED ABOVE. IF CONDITIONS VARY IN THE FIED FROM THOSE SHOWN ON THIS PAN, THE ENGINEER OF RECORD MUST BE NOTIFIED PRIOR TO CONSTRUCTION OF THE SEGMENTA RETAINING WAS TO REVIEW THE DESIGN AND/OR PANS. MODIFICATIONS TO THE DESIGN AND/OR PANS MAY BE REQUIRED AFTER THE REVIEW, AND MAY TAKE UP TO TEN BUSINESS DAYS TO COMPETE. 6. IF THERE ARE DISCREPANCIES BETWEEN ANY INFORMATION ON THESE PANS AND INFORMATION IN THE PROJECT SPECIFICATIONS, THE MORE RESTRICTIVE INFORMATION TAKES PRECEDENCE..0 MATERIA NOTES 1. CONCRETE RETAINING WA UNITS: "ANCHOR DIAMOND PRO STONE CUT RETAINING WA UNITS" AS MANUFACTURED BY SIERRA BUIDING PRODUCTS UNDER ICENSE FROM ANCHOR WA SYSTEMS. 2. GEOSYNTHETIC REINFORCEMENT: MIRAGRID 3XT AS SHOWN ON THE DRAWINGS. 3. EVEING PAD BASE A. AGGREGATE BASE: CRUSHED STONE OR GRANUAR FI MEETING THE FOOWING GRADATION AS DETERMINED IN ACCORDANCE WITH ASTM D448: 3/4 INCH 7 TO 100 NO. 4 0 TO 60 NO TO 0 NO TO B. BASE THICKNESS: 6 INCHES (MINIMUM COMPACTED THICKNESS). 4. DRAINAGE AGGREGATE: CEAN CRUSHED STONE OR GRANUAR FI MEETING THE FOOWING GRADATION AS DETERMINED IN ACCORDANCE WITH ASTM D448: 3/4 INCH 7 TO 100 NO. 4 0 TO 60 NO TO 0 NO TO. REINFORCED FI: SOI FREE OF ORGANICS AND DEBRIS AND CONSISTING OF EITHER GP, GW, SP, SW, SM OR SC TYPE, CASSIFIED IN ACCORDANCE WITH ASTM D2487 AND THE USCS CASSIFICATION SYSTEM AND MEETING THE FOOWING GRADATION AS DETERMINED IN ACCORDANCE WITH ASTM D448: NO TO 100 NO TO 60 NO TO 3 A. THE PASTICITY INDEX (PI) SHA BE ESS THAN 20 AND THE EXPANSION INDEX (EI) SHA BE ESS THAN 20. B. MAXIMUM PARTICE SIZE FOR BACKFI IS ONE (1) INCHES. C. UNSUITABE SOIS ARE ORGANIC SOIS AND THOSE SOIS CASSIFIED AS CH, C, OH, MH, O, OR PT. D. A WA BACKFI MATERIAS SHA ASO HAVE THE MINIMUM ENGINEERING PROPERTIES SHOWN IN SECTION 1.2 ITEM A. E. TEST RESUTS OF A PROPOSED BACKFI MATERIAS. WHETHER ON-SITE OR IMPORTED, SHA BE SUBMITTED TO THE ENGINEER FOR APPROVA PRIOR TO CONSTRUCTION. 6. IMPERVIOUS MATERIA: CAYEY SOI OR OTHER SIMIAR MATERIA WHICH WI PREVENT PERCOATION INTO THE DRAINAGE ZONE BEHIND THE WA. 7. DRAINAGE PIPE: PERFORATED OR SOTTED PVC OR CORRUGATED HDPE PIPE MANUFACTURED IN ACCORDANCE WITH D3034 AND/OR ASTM F CONSTRUCTION ADHESIVE: EXTERIOR GRADE ADHESIVE AS RECOMMENDED BY THE RETAINING WA MANUFACTURER. 6.0 FOUNDATION SOI NOTES 1. EXCAVATE FOUNDATION SOI AS REQUIRED FOR FOOTING OR BASE DIMENSION SHOWN ON THE DRAWINGS, OR AS DIRECTED BY THE PROJECT GEOTECHNICA ENGINEER. 2. THE OWNER SHA RETAIN THE SERVICES OF A GEOTECHNICA ENGINEER TO EXAMINE FOUNDATION SOI TO ENSURE THAT THE ACTUA FOUNDATION SOI STRENGTH MEETS OR EXCEEDS THAT INDICATED ON THE DRAWINGS. UNSUITABE SOIS ARE DEFINED AS ANY SOI THAT DOES NOT HAVE SUFFICIENT BEARING CAPACITY OR WI CAUSE EXCESSIVE WA SETTEMENT. REMOVE SOI NOT MEETING THE REQUIRED STRENGTH. OVERSIZE RESUTING SPACE SUFFICIENTY FROM THE FRONT OF THE BOCK TO THE BACK OF THE REINFORCEMENT, AND BACKFI WITH SUITABE COMPACTED BACKFI SOIS. 3. THE OWNER SHA RETAIN THE SERVICES OF A GEOTECHNICA ENGINEER TO DETERMINE IF THE FOUNDATION SOIS WI REQUIRE SPECIA TREATMENT OR CORRECTION TO CONTRO TOTA AND DIFFERENTIA SETTEMENT. 4. FI OVER-EXCAVATED AREAS WITH SUITABE COMPACTED BACKFI, AS RECOMMENDED BY THE PROJECT GEOTECHNICA ENGINEER.. REMEDIA GRADING SHA BE PERFORMED IN ACCORDANCE WITH THE UPDATED REMEDIA GRADING RECOMMENDATIONS PROVIDED BY GROUP DETA CONSUTANTS IN THEIR ETTER DATED MARCH 2, BASE COURSE NOTES 1. PACE BASE MATERIAS TO THE DEPTHS AND WIDTHS SHOWN ON THE DRAWINGS, UPON UNDISTURBED SOIS, OR FOUNDATION SOIS PREPARED AS DIRECTED BY THE PROJECT GEOTECHNICA ENGINEER. A. EXTEND THE EVEING PAD ATERAY AT EAST 6 INCHES IN FRONT AND BEHIND THE OWERMOST CONCRETE RETAINING WA UNIT. B. PROVIDE AGGREGATE BASE COMPACTED TO 6 INCHES THICK (MINIMUM). 2. COMPACT AGGREGATE BASE MATERIA TO PROVIDE A EVE, HARD SURFACE ON WHICH TO PACE THE FIRST COURSE OF UNITS. 3. PREPARE BASE MATERIAS TO ENSURE COMPETE CONTACT WITH RETAINING WA UNITS. GAPS ARE NOT AOWED. 8.0 ERECTION NOTES 1. EXCAVATION SUPPORT, IF REQUIRED, IS THE RESPONSIBIITY OF THE CONTRACTOR, INCUDING THE STABIITY OF THE EXCAVATION AND ITS INFUENCE ON ADJACENT PROPERTIES AND STRUCTURES. 2. GENERA: ERECT UNITS IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS AND RECOMMENDATIONS, AND AS SPECIFIED HEREIN. 3. PACE FIRST COURSE OF CONCRETE WA UNITS ON THE PREPARED BASE MATERIA. CHECK UNITS FOR EVE AND AIGNMENT. MAINTAIN THE SAME EEVATION AT THE TOP OF EACH UNIT WITHIN EACH SECTION OF THE BASE COURSE. 4. ENSURE THAT FOUNDATION UNITS ARE IN FU CONTACT WITH NATURA OR COMPACTED SOI BASE.. PACE CONCRETE WA UNITS SIDE-BY-SIDE FOR FU ENGTH OF WA AIGNMENT. AIGNMENT MAY BE DONE BY USING A STRING INE MEASURED FROM THE BACK OF THE BOCK. GAPS ARE NOT AOWED BETWEEN THE FOUNDATION CONCRETE WA UNITS. 6. PACE 12 INCHES (MINIMUM) OF DRAINAGE AGGREGATE BETWEEN, AND DIRECTY BEHIND THE CONCRETE WA UNITS. FI VOIDS IN RETAINING WA UNITS WITH DRAINAGE AGGREGATE. PROVIDE A DRAINAGE ZONE BEHIND THE WA UNITS TO WITHIN 9 INCHES OF THE FINA GRADE. CAP THE BACKFI AND DRAINAGE AGGREGATE ZONE WITH 9 INCHES OF IMPERVIOUS MATERIA. 7. INSTA DRAINAGE PIPE AT THE OWEST EEVATION POSSIBE, TO MAINTAIN GRAVITY FOW OF WATER TO OUTSIDE OF THE REINFORCED ZONE. SOPE THE MAIN COECTION DRAINAGE PIPE, OCATED JUST BEHIND THE CONCRETE RETAINING WA UNITS, 1 PERCENT (MINIMUM) TO PROVIDE GRAVITY FOW TO THE DAYIGHTED AREAS. DAYIGHT THE MAIN COECTION DRAINAGE PIPE TO AN APPROPRIATE OCATION AWAY FROM THE WA SYSTEM AT EACH OW POINT OR AT 10 FOOT (MAXIMUM) INTERVAS AONG THE WA. 8. REMOVE EXCESS FI FROM TOP OF UNITS AND INSTA NEXT COURSE. ENSURE DRAINAGE AGGREGATE AND BACKFI ARE COMPACTED BEFORE INSTAATION OF NEXT COURSE. 9. CHECK EACH COURSE FOR EVE AND AIGNMENT. ADJUST UNITS AS NECESSARY WITH REINFORCEMENT SHIMS TO MAINTAIN EVE, AIGNMENT, AND SETBACK PRIOR TO PROCEEDING WITH EACH ADDITIONA COURSE. 10. INSTA EACH SUCCEEDING COURSE. BACKFI AS EACH COURSE IS COMPETED. PU THE UNITS FORWARD UNTI THE OCATING SURFACE OF THE UNIT CONTACTS THE OCATING SURFACE OF THE UNITS IN THE PRECEDING COURSE. INTEROCK WA SEGMENTS THAT MEET AT CORNERS BY OVERAPPING SUCCESSIVE COURSES. ATTACH CONCRETE RETAINING WA UNITS AT EXTERIOR CORNERS WITH ADHESIVE SPECIFIED. 11. INSTA GEOSYNTHETIC REINFORCEMENT IN ACCORDANCE WITH GEOSYNTHETIC MANUFACTURER'S RECOMMENDATIONS AND THE SHOP DRAWINGS. a. ORIENT GEOSYNTHETIC REINFORCEMENT WITH THE HIGHEST STRENGTH AXIS PERPENDICUAR TO THE WA FACE. b. PRIOR TO GEOSYNTHETIC REINFORCEMENT PACEMENT, PACE THE BACKFI AND COMPACT TO THE EEVATION OF THE TOP OF THE WA UNITS AT THE EEVATION OF THE GEOSYNTHETIC REINFORCEMENT. c. PACE GEOSYNTHETIC REINFORCEMENT AT THE EEVATIONS AND TO THE ENGTHS SHOWN ON THE DRAWINGS. d. AY GEOSYNTHETIC REINFORCEMENT HORIZONTAY ON TOP OF THE CONCRETE RETAINING WA UNITS AND THE COMPACTED BACKFI SOIS. PACE THE GEOSYNTHETIC REINFORCEMENT WITHIN ONE INCH OF THE FACE OF THE CONCRETE RETAINING WA UNITS. PACE THE NEXT COURSE OF CONCRETE RETAINING WA UNITS ON TOP OF THE GEOSYNTHETIC REINFORCEMENT. e. THE GEOSYNTHETIC REINFORCEMENT SHA BE IN TENSION AND FREE FROM WRINKES PRIOR TO PACEMENT OF THE BACKFI SOIS. PU GEOSYNTHETIC REINFORCEMENT HAND-TAUT AND SECURE IN PACE WITH STAPES, STAKES, OR BY HAND-TENSIONING UNTI THE GEOSYNTHETIC REINFORCEMENT IS COVERED BY 6 INCHES OF OOSE FI. f. THE GEOSYNTHETIC REINFORCEMENTS SHA BE CONTINUOUS THROUGHOUT THEIR EMBEDMENT ENGTHS. SPICES IN THE GEOSYNTHETIC REINFORCEMENT STRENGTH DIRECTION ARE NOT AOWED. g. DO NOT OPERATE TRACKED CONSTRUCTION EQUIPMENT DIRECTY ON THE GEOSYNTHETIC REINFORCEMENT. AT EAST 6 INCHES OF COMPACTED BACKFI SOI IS REQUIRED PRIOR TO OPERATION OF TRACKED VEHICES OVER THE GEOSYNTHETIC REINFORCEMENT. KEEP TURNING OF TRACKED CONSTRUCTION EQUIPMENT TO A MINIMUM. h. RUBBER-TIRED EQUIPMENT MAY PASS OVER THE GEOSYNTHETIC REINFORCEMENT AT SPEEDS OF ESS THAN MIES PER HOUR. TURNING OF RUBBER-TIRED EQUIPMENT IS NOT AOWED ON GEOSYNTHETIC REINFORCEMENT. 9.0 BACKFI PACEMENT NOTES 1. PACE REINFORCED BACKFI, SPREAD AND COMPACT IN A MANNER THAT WI MINIMIZE SACK IN THE REINFORCEMENT. 2. PACE FI WITHIN THE REINFORCED ZONE AND COMPACT IN IFTS NOT EXCEEDING 6 TO 8 INCHES (OOSE THICKNESS) WHERE HAND-OPERATED COMPACTION EQUIPMENT IS USED, AND NOT EXCEEDING 12 INCHES (OOSE THICKNESS) WHERE HEAVY, SEF PROPEED COMPACTION EQUIPMENT IS USED. A. ONY IGHTWEIGHT HAND-OPERATED COMPACTION EQUIPMENT IS AOWED WITHIN 4 FEET OF THE BACK OF THE RETAINING WA UNITS. 3. MINIMUM COMPACTION REQUIREMENTS FOR FI PACED IN THE REINFORCED ZONE: A. COMPACT TO 90 PERCENT OF THE SOI'S STANDARD MAXIMUM DRY DENSITY (ASTM D17) FOR THE ENTIRE WA HEIGHT. B. VERIFY COMPACTION REQUIREMENTS WITH THE PROJECT GEOTECHNICA ENGINEER. C. UTIITY TRENCH BACKFI: COMPACT UTIITY TRENCH BACKFI IN OR BEOW THE REINFORCED SOI ZONE TO 90 PERCENT OF THE SOI'S STANDARD MAXIMUM DRY DENSITY (ASTM D17), OR AS RECOMMENDED BY THE PROJECT GEOTECHNICA ENGINEER. D. MOISTURE CONTENT: AT OR 2 PERCENTAGE POINTS ABOVE THE OPTIMUM MOISTURE CONTENT FOR A WA HEIGHTS. E. THESE NOTES MAY BE CHANGED BASED ON RECOMMENDATIONS BY THE PROJECT GEOTECHNICA ENGINEER. 4. AT THE END OF EACH DAY'S OPERATION, SOPE THE AST EVE OF COMPACTED BACKFI AWAY FROM THE INTERIOR (CONCEAED) FACE OF THE WA TO DIRECT SURFACE WATER RUNOFF AWAY FROM THE WA FACE. A. THE GENERA CONTRACTOR IS RESPONSIBE FOR ENSURING THAT THE FINISHED SITE DRAINAGE IS DIRECTED AWAY FROM THE RETAINING WA SYSTEM. B. IN ADDITION, THE GENERA CONTRACTOR IS RESPONSIBE FOR ENSURING THAT SURFACE WATER RUNOFF FROM ADJACENT CONSTRUCTION AREAS IS NOT AOWED TO ENTER THE RETAINING WA AREA OF THE CONSTRUCTION SITE.. ANY STRUCTURA FI PACED MUST BE KEPT FROM FREEZING, REQUIRING THE USE OF FROST BANKETS AND GOOD WINTER CONSTRUCTION PRACTICES. GENERAY, WINTER CONSTRUCTION REQUIRES THE IMPORT OF NON-FROST SUSCEPTIBE SOIS, TYPICAY CEAN SAND AND/OR GRAVE. ANY STRUCTURA FI FOUND TO BE FROZEN ON SUBSEQUENT DAYS OF CONSTRUCTION MUST BE REMOVED AND REPACED PRIOR TO PACING ADDITIONA FI CAP UNIT INSTAATION NOTES 1. APPY ADHESIVE TO THE TOP SURFACE OF THE UNIT BEOW AND PACE THE CAP UNIT INTO DESIRED POSITION. 2. CUT CAP UNITS AS NECESSARY TO OBTAIN THE PROPER FIT. 3. BACKFI AND COMPACT TO TOP OF CAP UNIT WA CONSTRUCTION TOERANCE NOTES 1. WA CONSTRUCTION TOERANCES: A. VERTICA AIGNMENT: PUS OR MINUS 1-1/4 INCHES OVER ANY 10-FOOT DISTANCE, WITH A MAXIMUM DIFFERENTIA OF 3 INCHES OVER THE ENGTH OF THE WA. B. HORIZONTA OCATION CONTRO FROM GRADING PAN: B.1. STRAIGHT INES: PUS OR MINUS 1-1/4 INCHES OVER ANY 10-FOOT DISTANCE, WITH A MAXIMUM DIFFERENTIA OF 3 INCHES OVER THE ENGTH OF THE WA. B.2. CORNER AND RADIUS OCATIONS: PUS OR MINUS 12 INCHES. B.3. CURVES AND SERPENTINE RADII: PUS OR MINUS 2 FEET. C. IMMEDIATE POST CONSTRUCTION WA BATTER: WITHIN 2 DEGREES OF THE DESIGN BATTER OF THE CONCRETE RETAINING WA UNITS. D. BUGING: PUS OR MINUS 1-1/4 INCHES OVER ANY 10-FOOT DISTANCE UTIITY NOTES 1. UTIITY INFORMATION MAY NOT HAVE BEEN PROVIDED TO THE ENGINEER OF RECORD FOR THE PREPARATION OF THESE PANS, AND THEREFORE MAY NOT BE INCUDED. IF UTIITIES ARE OCATED WITHIN THE PROPOSED REINFORCED ZONE THE ENGINEER OF RECORD MUST BE NOTIFIED PRIOR TO CONSTRUCTION OF THE SEGMENTA RETAINING WAS TO REVIEW THE DESIGN AND/OR PANS. MODIFICATIONS TO THE DESIGN AND/OR PANS MAY BE REQUIRED, AND MAY TAKE UP TO TEN BUSINESS DAYS. 2. UTIITIES MUST BE PROPERY DESIGNED (BY OTHERS) TO WITHSTAND A FORCES FROM THE SEGMENTA RETAINING WA UNITS, REINFORCED SOI MASS, AND SURCHARGE OADS (IF ANY). 3. STORM DRAINS ARE PRONE TO EAKING. THEREFORE, IF A JOINT IN A STORM DRAIN IS OCATED WITHIN 100 FEET OF THE RETAINING WA THE STORM WATER PIPE MUST BE WATER TIGHT. NEOPRENE O-RINGS MUST BE INSTAED AT A STORM PIPE JOINTS AS A MINIMUM. 4. WATER INES, INCUDING IRRIGATION SYSTEMS, MUST BE WATER TIGHT WITHIN 100 FEET OF THE RETAINING WA. EAKAGE BEHIND A RETAINING WA WI INCREASE THE HORIZONTA PRESSURE AGAINST THE WA EADING TO WA FAIURE. FOR THIS REASON, SUBSURFACE WATERINES AND IRRIGATION SYSTEMS SHOUD NOT BE INSTAED ABOVE THE REINFORCED ZONES OF THE RETAINING WA, OR WITHIN FEET OF THE REINFORCED ZONE FIED QUAITY CONTRO NOTES 1. INSTAER IS RESPONSIBE FOR QUAITY CONTRO OF INSTAATION OF SYSTEM COMPONENTS. OWNER TO EMPOY A QUAIFIED INDEPENDENT THIRD PARTY TO VERIFY THE CORRECT INSTAATION OF SYSTEM COMPONENTS IN ACCORDANCE WITH THESE SPECIFICATIONS AND THE DRAWINGS. 2. THE OWNER, AT THEIR EXPENSE, WI RETAIN A QUAIFIED PROFESSIONA TO PERFORM QUAITY ASSURANCE CHECKS OF THE INSTAER'S WORK. 3. CORRECT WORK WHICH DOES NOT MEET THESE SPECIFICATIONS OR THE REQUIREMENTS SHOWN ON THE DRAWINGS AT THE INSTAER'S EXPENSE. 4. PROJECT GEOTECHNICA ENGINEER TO PERFORM COMPACTION TESTING OF THE REINFORCED BACKFI PACED AND COMPACTED IN THE REINFORCED BACKFI ZONE. A. TESTING FREQUENCY (OR AS DIRECTED BY PROJECT GEOTECHNICA ENGINEER) B. ONE TEST FOR EVERY 2 FEET (VERTICA) OF FI PACED AND COMPACTED, FOR EVERY 0 INEA FEET OF RETAINING WA. C. VARY COMPACTION TEST OCATIONS TO COVER THE ENTIRE AREA OF THE REINFORCED SOI ZONE, INCUDING THE AREA COMPACTED BY THE HAND-OPERATED COMPACTION EQUIPMENT STATEMENT OF SPECIA INSPECTIONS 1. SPECIA INSPECTION IS REQUIRED IN ACCORDANCE WITH IBC SECTION THE SPECIA INSPECTOR'S RESPONSIBIITIES INCUDE VERIFYING THE FOOWING: A. UNIT DIMENSIONS. B. ANCHOR WA UNIT IDENTIFICATION OF COMPIANCE WITH ASTM C 1372, INCUDING COMPRESSIVE STRENGTH AND WATER ABSORPTION, AS DESCRIBED IN SECTION 3.1 OF ICC REPORT 199. C. FOUNDATION PREPARATION. D. UNIT PACEMENT, INCUDING AIGNMENT AND INCINATION. E. GEOSYNTHETIC REINFORCEMENT TYPE AND PACEMENT. F. BACKFI PACEMENT AND COMPACTION. G. DRAINAGE PROVISIONS. 3. TYPE AND EXTENT OF SPECIA INSPECTION: A. SPECIA INSPECTION SHA BE PERFORMED ON A CONTINUOUS BASIS. 4. TYPE AND EXTENT OF EACH TEST: A. MODUAR UNIT DIMENSION SHA BE VERIFIED ONCE PER WA PRIOR TO THE START OF CONSTRUCTION. B. CONCRETE UNIT SHA HAVE A MINIMUM 28-DAY COMPRESSIVE STRENGTH OF 3,000 PSI AND A MAXIMUM WATER ABSORPTION OF 7 PERCENT. C. FOUNDATION PREPARATION SHA BE INSPECTED FOR COMPIANCE WITH THE ANCHOR RETAINING WA DESIGN PARAMETERS AND GEOTECHNICA ENGINEER OF RECORD RECOMMENDATIONS ONCE PER WA PRIOR TO PACEMENT OF CONTROED FI. D. ANCHOR UNIT AIGNMENT AND INCINATION SHA BE VERIFIED BY SURVEYED WA HORIZONTA OCATION PRIOR TO CONSTRUCTION AND CORRECT BOCK PACEMENT AGAINST THE OWER BOCK'S AIGNMENT DEVICE DURING CONSTRUCTION. E. GEOSYNTHETIC REINFORCEMENT TYPE SHA BE VERIFIED PRIOR TO CONSTRUCTION WITH AN INSPECTION OF THE GEOSYNTHETIC REINFORCEMENT DEIVERED TO THE SITE FOR WA CONSTRUCTION. PACEMENT OF GEOSYNTHETIC REINFORCEMENT SHA BE CONTINUAY OBSERVED DURING WA CONSTRUCTION FOR COMPIANCE WITH THE ANCHOR RETAINING WA PANS. F. BACKFI SOI SHA BE VERIFIED IN COMPIANCE WITH THE ANCHOR RETAINING WA PANS AND SOI DESIGN PARAMETERS PRIOR TO AND PERIODICAY DURING CONSTRUCTION. BACKFI SOI COMPACTION SHA BE CONTINUOUSY VERIFIED COMPACTED TO AT EAST 90 PERCENT OF THE MAXIMUM DRY DENSITY AS DETERMINED BY ASTM D 17 FOR EVERY YARDS OF BACKFI PACED. G. A DRAINAGE PROVISIONS SHA BE VERIFIED IN COMPIANCE WITH THE ANCHOR RETAINING WA PANS AND THE RECOMMENDATIONS OF THE GEOTECHNICA ENGINEER OF RECORD AS CONSTRUCTED AND PRIOR TO BACKFI.. SEISMIC OR WIND RESISTANCE: A. THERE ARE NO ADDITIONA SPECIA INSPECTION REQUIREMENTS FOR SEISMIC OR WIND RESISTANCE PER CBC STRUCTURA OBSERVATIONS: A. THERE ARE NO REQUIRED STRUCTURA OBSERVATIONS PER CBC SPECIA INSPECTION NOTES: A. THE SPECIA INSPECTOR MUST BE CERTIFIED BY THE CITY OF SAN DIEGO, DEVEOPMENT SERVICES, IN THE CATEGORY OF WORK REQUIRED TO HAVE SPECIA INSPECTION. B. THE CONSTRUCTION MATERIAS TESTING ABORATORY MUST BE APPROVED BY THE CITY OF SAN DIEGO, DEVEOPMENT SERVICES, FOR TESTING OF MATERIAS, SYSTEMS, COMPONENTS AND EQUIPMENTS. C. A PROPERTY OWNER'S FINA REPORT FORM FOR WORK REQUIRED TO HAVE SPECIA INSPECTIONS, TESTING AND STRUCTURA OBSERVATIONS MUST BE COMPETED BY THE PROPERTY OWNER, PROPERTY OWNER'S AGENT OF RECORD, ARCHITECT OF RECORD OR ENGINEER OF RECORD AND SUBMITTED TO THE INSPECTION SERVICES DIVISION. D. THE SPECIA INSPECTIONS IDENTIFIED ON PANS ARE IN ADDITION TO, AND NOT A SUBSTITUTE FOR, THOSE INSPECTIONS REQUIRED TO BE PERFORMED BY THE CITY'S BUIDING INSPECTOR. E. NOTICE TO THE APPICANT/OWNER/OWNER'S AGENT/ARCHITECT OR ENGINEER OF RECORD: BY USING THIS PERMITTED CONSTRUCTION DRAWINGS FOR CONSTRUCTION/INSTAATION OF THE WORK SPECIFIED HEREIN, YOU AGREE TO COMPY WITH THE REQUIREMENTS OF CITY OF SAN DIEGO FOR SPECIA INSPECTIONS, STRUCTURA OBSERVATIONS, CONSTRUCTION MATERIA TESTING AND OFF-SITE FABRICATION OF BUIDING COMPONENTS, CONTAINED IN THE STATEMENT OF SPECIA INSPECTIONS AND AS REQUIRED BY THE CAIFORNIA CONSTRUCTION CODES. F. NOTICE TO THE CONTRACTOR/BUIDER/INSTAER/SUB-CONTRACTOR/OWNER-BUIDER: BY USING THIS PERMITTED CONSTRUCTION DRAWINGS FOR CONSTRUCTION/INSTAATION OF THE WORK SPECIFIED HEREIN, YOU ACKNOWEDGE AND ARE AWARE OF THE REQUIREMENTS CONTAINED IN THE STATEMENT OF SPECIA INSPECTIONS. YOU AGREE TO COMPY WITH THE REQUIREMENTS OF CITY OF SAN DIEGO FOR SPECIA INSPECTIONS, STRUCTURA OBSERVATIONS, CONSTRUCTION MATERIA TESTING AND OFF-SITE FABRICATION OF BUIDING COMPONENTS, CONTAINED IN THE STATEMENT OF SPECIA INSPECTIONS AND AS REQUIRED BY THE CAIFORNIA CONSTRUCTION CODES. 1.0 ANCHOR WA DESIGN NOTES 1. IT IS THE RESPONSIBIITY OF THE OWNER OR OWNER'S REPRESENTATIVE TO VERIFY THE SOI STRENGTH DESIGN PARAMETERS ARE REPRESENTATIVE OF THE SOIS AVAIABE FOR WA CONSTRUCTION. IF THE SOI STRENGTH PARAMETERS ARE FOUND TO BE INCONSISTENT WITH THOSE ASSUMED BY THE ENGINEER OF RECORD, THIS DESIGN IS NO ONGER VAID AND IT IS THE RESPONSIBIITY OF THE OWNER OR OWNER'S REPRESENTATIVE TO NOTIFY THE ENGINEER OF RECORD SO THE RETAINING WA SYSTEM CAN BE REDESIGNED. FAIURE TO NOTIFY THE ENGINEER OF RECORD MAY RESUT IN FAIURE OF THE RETAINING WA. 2. SOI DESIGN PARAMETERS: A. REINFORCED SOI: PHI = 34 DEGREES C= 0 PSF GAMMA = 120 PCF. RETAINED SOI: PHI = 34 DEGREES C= 0 PSF GAMMA = 12 PCF. FOUNDATION SOI: PHI = 34 DEGREES C= 0 PSF GAMMA = 12 PCF 3. HORIZONTA SEISMIC COEFFICIENT: 0.37G 4. REINFORCED BACKFI SHA MEET SOI CASSIFICATION AND GRADATION AS STATED IN SECTION. THIS SHEET. GEOTECHNICA PARAMETERS USED FOR DESIGN SHA BE CONFIRMED BY GEOTECHNICA ENGINEER PRIOR TO WA CONSTRUCTION. 6. ATERA EARTH PRESSURES ARE DETERMINED USING COUOMB EARTH PRESSURE THEORY 7. INTERNA STABIITY OF WAS A. MINIMUM FACTOR OF SAFETY ON GEOGRID STRENGTH = 1.0 B. MINIMUM FACTOR OF SAFETY ON GEOGRID PUOUT = 1.0 C. PERCENT COVERAGE OF GEOGRID = 100% 8. EXTERNA STABIITY A. MINIMUM FACTOR OF SAFETY AGAINST BASE SIDING = 1.0 B. MINIMUM FACTOR OF SAFETY AGAINST OVERTURNING = 2.00 C. MINIMUM FACTOR OF SAFETY AGAINST SOI BEARING OVERSTRESS = 2.00 D. UNIFORM SURCHARGE = AS SHOWN ON STRUCTURA CACUATIONS E. BACKFI SOPE = AS SHOWN ON SITE PAN AND STRUCTURA CACUATIONS 9. GOBA STABIITY (TO BE CONFIRMED BY GEOTECHNICA ENGINEER) A. MINIMUM FACTOR OF SAFETY AGAINST STATIC GOBA STABIITY = 1.0 B. MINIMUM FACTOR OF SAFETY AGAINST SEISMIC GOBA STABIITY = ANCHOR WA ICC REPORT ANCHOR WA SYSTEM APPROVED FOR USE WITH MIRAFI GEOGRID IN ICC ES EGACY REPORT ER APPICABE BUIDING CODE A CONSTRUCTION SHA CONFORM TO THE 2010 CAIFORNIA BUIDING CODE 18.0 ANCHOR RETAINING WA PAN SHEET INDEX SHEET 1. SHEET 2. SHEET 3. SHEET 4. SHEET. TITE SHEET AND NOTES ANCHOR WA SITE PAN ANCHOR WA #1 PROFIE ANCHOR WA #2 PROFIE TYPICA WA SECTION AND DETAIS prepared by 129 distribution way phone facsimile KAISER MEDICA OFFICE BUIDING ANCHOR RETAINING WA PANS R:\1 Active projects\kaiser MOB\Construction Drawings\C486-27NN0.dwg, SHEET 1, 4/27/2012 9:0:49 AM

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5 STEP 1 - PACE REINFORCEMENT SO THAT ITTE OR NO OVERAP OCCURS IN THE RADIUS AREA. IF OVERAP OCCURS, PACE 2 TO 3 INCHES OF SAND BETWEEN THE REINFORCEMENT AYERS. 2 TO 3 INCHES OF SOI FI REQUIRED BETWEEN OVERAPPED REINFORCEMENT FOR PROPER SOI AND REINFORCEMENT INTERACTION PRIMARY STRENGTH DIRECTION PACE ADDITIONA REINFORCEMENT ON THE NEXT COURSE OF SEGMENTA UNITS IMMEDIATEY ABOVE THE SPECIFIED PACEMENT EEVATION IN A MANNER THAT EIMINATES GAPS EFT BY THE PREVIOUS AYER OF REINFORCEMENT AT THE SPECIFIED REINFORCEMENT EEVATION..43" 7" 42" PEDESTRIAN GUARDRAI PER ANDSCAPE PANS SHEET 1.6, DETAI 3 SEEVE-IT 1224R PER DETAI I/ SET TOP OF SEEVE-IT AT TOP OF DIAMOND PRO UNIT 3" BEOW TOP OF WA 3" UNIVERSA CAP UNIT FINISHED GRADE VARIES PER GRADING PAN 8." STEP 2 - AY THE NEXT COURSE OF BOCK. MAKE A MARK ON THE BACK OF THE BOCKS IN THE AREAS THAT ARE NOT REINFORCED. BACKFI AND COMPACT THAT COURSE. STEP 3 - PACE REINFORCEMENT IN THE AREAS WHERE THE MARKS SHOW GAPS IN THE OWER REINFORCEMENT PATTERN. CONTINUE NORMA WA CONSTRUCTION, REPEATING THESE STEPS AS NEEDED. PRIMARY STRENGTH DIRECTION 8." 8.081" SMA UNIT MEDIUM UNIT " DESIGN HEIGHT PER PROFIE DIAMOND PRO STONE CUT BOCK WIDE DRAINAGE COUMN 3 4 " CRUSHED ROCK FINISHED GRADE PER GRADING PAN 7 REINFORCED SOI GRID ENGTH PER PROFIE FINISHED GRADE VARIES PER GRADING PAN RETAINED SOI 1 6" MINIMUM COMPACTED GRAVE EVEING PAD 6" 2' 4" PVC SDR 3 SUBDRAIN WRAPPED IN 1 CU. FT/FT GRAVE AND MIRAFI 140N FITER FABRIC OUTET OCATION PER PROFIE CORES NOT SHOWN FOR CARITY 8." MINIMUM RADIUS 6 FT. TO FACE ARGE UNIT D TYPICA CROSS SECTION MINIMUM RADIUS 4 FT. TO FACE B INSIDE CURVE DETAIS C INDIVIDUA BOCK VIEWS 12.1" 8.1" A OUTSIDE CURVE DETAIS 1 10" MIN. 6" MINIMUM COMPACTED GRANUAR-BASE EVEING PAD G NATIVE SOI 1 DIAMOND PRO STONE CUT BOCK USED FOR BOTTOM COURSE TYPICA STEP-UP DETAI 4" ARGE UNIT 17.2" 10" MEDIUM UNIT 7"." I DETAI OF FENCE POST INSTAATION USING SEEVE-IT 1224R EXTEND GEOSYNTHETIC REINFORCEMENT TO WITHIN 2" OF THE OWER BOCK FACE F 10" MIN REINFORCEMENT CONNECTION DETAIS H CAP UNIT SMA UNIT ISOMETRIC BOCK VIEWS prepared by 129 distribution way phone facsimile R:\1 Active projects\kaiser MOB\Construction Drawings\C486-27DS0.dwg, SHEET, 4/27/2012 9:08:00 AM