4920 EVERGREEN WAY 2019 Plans 2022-12-22

_ _ . _ ___ __ _ _ __ _ - ---- - �- ._.�.,.,-..� _ . , TEST LOAD C`1�ES NOT EXCEED 80% OF THE THEORETICAL ELASTIC COARSE AGGREGATE -AASHTO M-80, CLASS B FOR QUALITY. THICK AND CONSTRUCTED WITHOUT REINFORCEMENT AND USED FOR NOZZLE DISTANCE AND ORIENTATION PERPENDICULAR TO THE SURFACE, ELONGATION OF THE UNBONDED LENGTH, THE CONTRACTOR SHALL f�EPLACE WATER - POTABLE, CLEAN, AND FREE FROM SUBSTANCES ABSORPTION AND COMPRESSIVE STRENGTH TESTING ADJUSTING THE WATER CONTENT OF THE SHOTCRETE MIX, OR OTHER MEANS A. SURVEY AND REPORTING OF MOVEMENT OF MONITORING POINTS SHALL THE GROUND ANCHOR AT NO ADDITIONAL COST TO THE OWNER. DELETERIOUS TO CONCRETE AND STEEL, OR THAT ACCEPTABLE TO THE OWNER'S REPRESENTATIVE. ALL OVERSPRAY AND BE PERFORMED WEEKLY DURING RETAINING WALL INSTALLATION AND WOULD CAUSE STAINING. CHEMICAL ADMIXTURES 3. THE CORNERS OF PRODUCTION AND PRECONSTRUCTION TEST PANELS REBOUND SHALL BE REMOVED FROM THE SURFACE. EXCAVATION. THE WEEKLY SURVEY MUST BE PERFORMED BY A LICENSED - E. GROUND ANCHORS WHICH HAVE A CREEP RATE GREATER THA,N ACCELERATOR FLUID TYPE, APPLIED AT NOZZLE, SHALL BE CHAMFERED OUTWARD AT 45 DEGREES OVER THE FULL THICKNESS SURVEYOR. SPECIFIED CAN BE INCORPORATED IN THE FINISHED WORK RT A LOAC) EQUAI. MEETING THE REQUIREMENTS HEREIN. OF THE PANEL. 3.09 FINISH , TO ONE-HALF ITS FAILURE LOAD. THE FAILURE LOAD IS THE LQAD CAI�RIED BY WATER-REDUCER - ASTM C494 / AASHTO M194, TYPE AND SUPER- B. MONITORING RESULTS SHALL BE PRESENTEQ WEEKLY TO THE THE ANCHOR AFTER THE LOAD HAS BEEN ALLOWED TO STABILIZE FOI�TEN A,D,F,G. PLASTICIZER AIR-ENTRAINING ASTM C260 / 3.02.03 PRODUCTION TEST PANELS A. SHOTCRETE FINISH SHALL BE A SCREEDED FINISH UNLESS SHOWN GEOTECHNICAL ENGINEER OF RECORD. THE GEOTECHNICAL ENGINEER SHALL MINUTES. AASHTO M154. AGENT MINERAL ADMIXTURES: o � NO. THE CONTRACTOR SHALL FURNISH AT LEAST ONE PRODUCTION TEST OTHERWISE ON THE PLANS. REVIEW THE SURVEY DATA AND PROVIDE AN EVALUATION OF WALL FLY ASH - ASTM C618 ! AASHTO M295, TYPE F OR G, CEMENT PANEL, OR, IN LIEU OF PRODUCTION TEST PANELS, SIX 3-INCH DIAMETER PERFORMANCE ALONG WITH GRAPHICAL REPRESENTATION OF WALL � � F. WHEN A GROUND ANCHOR FAILS REQUIRED TESTS, THE CONTI�ACTOR REPLACE.MENT UP TO 35 PERCENT BY WEIGHT OF CORES FROM THE SHOTCRETE FACE DURING THE FIRST APPLICATION OF B, THE ANCHOR HEAD COVER SHALI. BE FREE OF SHOTCRETE. MOVEMENT VERSUS TIME AND SURVEY DATA TO SNOHOMISH COUNTY ON A � SHALL MODIFY THE ANCHOR DESIGN, THE CONSTRUCTION PROCEDURES, OR CEMENT. SILICA FUME ASTM C1240, 90 PERCENT SHOTCRETE AND HENCEFORTH FOR EVERY FIFTH APPLICATION OF WEEKLY BASIS. IMMEDIATELY AND DIRECTLY, NOTIFY TERRACON AND CITY OF U BOTH. THESE MODIFICATIONS MAY INCLUDE, BUT ARE NOT LIMITED TO: MINIMUM SILICON DIOXIDE SOLIDS CONTENT, NOT SHOTCRETE, OR EVERY 5000 SQ. FT., OR EVERY 50 CU. YDS., WHICHEVER IS EVERETT IF ANY UNUSUAL OR SIGNIFICANTLY INCREASED MOVEMENT W � INSTALLING REPLACEMENT GROUND ANCHORS, MODIFYING THE INSTALLATION TO EXCEED 12 PERCENT BY WEIGHT OF CEMENT. LESS. THE PRODUCTION TEST PANELS SHALL BE CONSTRUCTED 3.11 CURING OCCURS. o METHODS, INCREASING THE BOND LENGTH, OR CHANGING THE GROUND WELDED WIRE FABRIC -ASTM A1851 AASHTO M55. SIMULTANEOUSLY WITH THE SHOTCRETE FACING INSTALLATION AT TIMES ANCHOR TYPE. ANY MODIFICATION WHICH REQUIRES CHANGES TO THE REINFORCING BARS -ASTM A615/AASHTO M31, GRADE 60, DEFORMED, DESIGNATED BY THE OWNER'S REPRESENTATIVE. THE PRODUCTION TEST 3.11.01 GENERAL C. IMMEDIATELY AND DIRECTLY NOTIFY THE GEOTECHNICAL AND STRUCTURE SHALL HAVE RRIOR APPROVAL OF THE ENGINEER, ANY CURING COMPOUNDS -AASHTO M148, TYPE ID OR TYPE 2. PANELS SHALL HAVE MINIMUM DIMENSIONS OF 18"X 18"X 6". STRUCTURAL ENGINEERS, WALL DESIGNER, CITY OF EVERETT IF 0.5 iNCHES OF � MODIFICATIONS OF DESIGN OR CONSTRUCTION PROCEDURES SHALL BE AT FILM PROTECTION -AASHTO M171 OR P(?LYETHYLENE FILM. A. PERMANENT SHOTCRETE SHALL BE PROTECTED FROM LOSS OF MOVEMENT OCCURS BETWEEN TWO CONSECUTIVE READINGS AND WHEN THE CONTRACTOR'S EXPENSE. 3.02.04 CORE TESTING MOISTURE FOR AT LEAST 7 DAYS AFTER PLACEMENT. WHEN SHOTCRETE iS TOTAL MOVEMENTS REACH 1.0 INCH. AT THAT AMOUNT OF MOVEMENT, THE � ' ' BEING PROTECTED FROM LOW TEMPERATURES CURING SHALL BE ENGINEERS AND DESIGNERS SHALL DETERMINE THE CAUSE OF 2.02 ADMIXTURES A. AT LEAST NINE CORE SAMPLES WILL BE CUT FROM EACH � �- 1.7.7 GROUND ANCHOR LOCK OFF TERMINATED NO SOONER THAN ONE DAY AFTER THE REMOVAL OF LOW DISPLACEMENT AND DEVELOP REMEDIAL MEASURES SUFFICIENT TO REDUCE � SHOTCRETE ADMIXTURES SHALL NOT BE USED UNLESS APPROVED BY THE PRECONSTRUCTION AND PRODUGTION TEST PANEL FOR COMPRESSIVE A. UPON COMPLETION OF THE TEST, THE LOAD SHALL BE ADJUSTED TO STRENGTH. CORES SHALL BE AT LEAST 3-IN. DIAMETER AND SHALL HAVE A TEMPERATURE PROTECTION. CURING OF SHOTCRETE SHALL BE BY METHODS FURTHER MOVEMENTS. ALL EARTHWORK AND CONSTRUCTION AGTIVITIES W � 100% OF THE DESIGN LOAQ INDICATED ON THE PLANS AND TRANSFERRED TO ENGINEER. ADMIXTURES USED TO ENTRAIN AIR, TO REDUCE WATER-CEMENT THAT WILL KEEP SHOTCRETE SURFACES ADEQUATELY WET AND PROTECTED MUST BE DIRECTED TOWARDS IMMEDIATE IMPLEMENTATION OF REMEDIAL �- RATIO, TO RETARD OR ACCELERATE SETTING TIME, OR TQ ACCELERATE THE MINIMUM LENGTH TO WIDTH RATIO OF ONE. WHEN THE LENGTH OF THE CORE THE ANCHORAGE DEVICE. AFTER TRANSFERRING THE LOAD AND PRIOR TO IS LESS THAN TWICE THE DIAMETER, APPLY THE CORRECTION FACTORS GIVEN DURING THE SPECIFIED PERIOD. CURING SHALL COMMENCE WITHIN ONE MEASURES NECESSARY TO LIMIT TOTAL WALL MOVEMENTS TO WHAT HAS REMOVING THE JACK, A LIFT-OFF READING SHALL BE MADE. THE LIFT-OFF DEVELOPMENT OF STRENGTH SHALL BE THOROUGHLY MIXED INTO THE HOUR OF SHOTCRETE APPLICATION. WHEN THE AMBIENT TEMPERATURE BEEN DEFINED AS ACCEPTABL,E BY THE DESIGN TEAM AND CITY OF EVERETT �' ..Y..i SHOTCRETE AT THE RATE SPECIFIED BY THE MANUFACTURER UNLESS �N ASTM C42 TO OBTAIN THE COMPRESSIVE STRENGTH OF INDIVIDUAL CORES. m N READING SHALL BE WITHItV 5% OF 100% OF THE DESIGN LOAD. IF THE L�AD IS SPECIFIED OTHERWISE. ACCELERATING ADDITIVES SHALL BE COMPATIBLE THREE CORES SHALL BE TESTED AT 3-DAYS AND THREE CORE SHALL BE EXCEEDS 80 DEGREES FAHRENHEIT, THE CONTRACTOR SHALL PLAN THE (AS INDICATED ABOVE}. � NOT WITHIN 5% OF 100%THE OF THE DESIGN LOAD, THE ANCHORAGE SHALL �/�TH THE CEMENT USED, BE NON-CORROSIVE TO STEEL AND SHALL NOT TESTED AT 28-DAYS FOR COMPRESSIVE STRENGTH. WORK SUCH THAT CURING CAN COMMENCE IMMEDIATELY AFTER FINtSHING. W � BE RESET AND ANOTHER LIFT-OFF READING SHALL BE MADE. THIS PROCESS PROMOTE OTHER DETRIMENTAL EFFECTS SUCH AS CRACKING OR EXCESSIVE CURING SHALL BE GOMPLETED IN ACCORDANCE WITH THE FOLLOWING SECTION 02390 - FENCING ¢ � SHALL BE REPEATED UNTIL THE DESIRED LOCK-OFF LOAD IS OBTAINED, SHRINKAGE. THE MAXIMUM ALLOWABLE CHLORIDE ION CONTENT OF ALL 3.03 SHOTCRETE AI.IGNMENT CONTROL REQUIREMENTS. p � INGREDIENTS SHALL NOT EXCEED Q.10 PERCENT WHEN TESTED PER AASHTO A. ALIGNMENT WIRES AND/OR THICKNESS CONTROL PINS SHALL BE 3.11.02 WATER CURING PART 1 -GENERAL W o � SECTION 02360 - SHOTCRETE FACING T260. PROVIDED AS NECESSARY TO ESTABLISH AND MAINTAIN THE MINIMUM � SHOTCRETE THICKNESS SHOWN ON THE PLANS. THE MAXIMUM DISTANCE A. THE RATE OF WATER APPLICATION SHALL BE REGULATED TO PROVIDE ' 2.03 MATERtALS HANDLING AND STORAGE BETWEEN WIRES ANDlOR THICKNESS CONTROL PINS ON ANY SURFACE SHALL COMPLETE SURFACE COVERAGE WITH A MINIMUM OF RUNOFF. 1.1 DESCRIPTION PART 1 - GENERAL z MATERIALS SHALL BE DELIVERED STORED AND HANDLED TO PREVENT BE EQUAL TO THE VERTICAL NAIL SPACING. THE CONTRACTOR SHALL ENSURE 0 . 1.01 DESCRIPTION CONTAMINATION, SEGREGATION, CORROSION OR DAMAGE. LIQUID THAT ALIGNMENT WIRES ARE TIGHT, TRUE TO LINE, AND PLACED TO ALLOW 3.11.03 MEMBRANE CURING A. THE CONTRACTOR SHALL INSTALL CHAIN LINK FENCING AT THE TOP OF � . ADMIXTURES SHALL BE STORED TO PREVENT EVAPORATION AND FREEZING. FURTHER TIGHTENING. A. CURING COMPOUNDS SHALL NOT BE USED ON ANY SURFACES AGAINST THE RETAINING WALL BY ANCHORING THE POSTS BY EITHER OF THE z C� A. THE WORK DESCRIBED IN THIS SECTION SHALL CONSIST OF FURNISHING WHICH ADDITIONAL SHOTCRETE OR OTHER CEMENTITIOUS FINISHING FOLLOWING: z ALL MATERIALS AND �ABOR REQUIRED FOR PLACING REINFORCED SHOTCRETE 3.04 SURFACE PREPARATION MATERIALS ARE TO BE BONDED UNLESS THE SURFACE IS THOROUGHLY 1. CORE OR SOCKET INTO THE TOP OF THE RETAINING WALL. � � FOR THE RETAINING WALL. THE W�RK SHALL iNCLUDE PLAGEMENT OF 2.04 SHOTCRETE MIX DESIGN SANDBLASTED IMMEDIATELY PRIOR TO SHOTCRETE PLACEMENT IN A MANNER 2. SET POST IN SLEEVES THAT SET IN THE DRILLED SHAFT LEAN MIX. � Q THICKNESS PINS OR FINISHING WIRES, AND PREPARATORY TRIMMING AND A. AGGREGATES FOR SHOTCRETE SHALL MEET THE STRENGTH AND A. PRIOR TO SHOTCRETING THE UNGROUTED ZONE ABOVE THE NAIL GROUT � CLEANING OF SOIL/ROCK SURFACES AND SHOTCRETE COLD JOINTS FOR THE DURABILITY REQUIREMENT OF AASHTO M80 AND SHALL MEET THE FOLLOWING AT THE EXCAVATION CUT FACE (BIRDS BEAK), THE CONTRACTOR SHALL ACCEPTABLE TO THE OWNER'S REPRESENTATIVE. MEMBRANE CURING 3. AUGER HOLES IN GROUND BEHIND RETAINING WALL FACE. W COMPOUNDS SHALL BE SPRAY APPLIED AS QUICKLY AS PRACTICAL AFTER ' i � SOIL NAIL WALLS SHOWN ON THE PLANS. GRADATION REQUIREMENTS: REMOVE ALL LOOSE MATERIALS FROM THE SURFACE OF THE GROUT AND INITIAL SHOTCRETE SET AT A COVERAGE OF NOT LESS THAN 40 SQ. FT. PER �� <.�J � PREPARE THE JOINT IN ACCORDANCE WITH ALL REQUIREMENTS FOR JOINT B. CHAIN LINK FENCING MATERIALS AND DESIGN SHALL CONFORM TO � � Q - PREPARATION SPECIFIED HEREIN. GALLON. WASHINGTON STATE DEPARTMENT OF TRANSPORTATION STANDARD PLAN � � B. SHOTCRETE SHALL COMPLY WITH THE REQUIREMENTS OF ACI 506.2-94, PERCENT PASSING PERCENT PASSING L-20.10-3 FOR TYPE 3 THE FENCE SHALL BE A MINIMUM HEIGHT OF 6 FT. �I � "SPECIFICATION FOR SHOTCRETE", EXCEPT AS SPECIFIED OTHERWISE HEREIN. SIEVE SIZE BY WEIGHT SIEVE SIZE BY WEIGHT g, THE CONTRACTOR SHALL REMOVE ALL LOOSE MATERIALS AND LOOSE 3.11.04 FILM CURING 0 1/2 INCH 10 N0. 16 35-55 DRIED SHOTCRETE FROM PREVIOUS PLACEMENT OPERATIONS AND FROM ALL A. FILM CURING WITH POLYETHYLENE SHEETING MAY BE USED TO (� � Z C. THE OWNER'S REPRESENTATIVE /SHOTCRETE INSPECTOR SHALL BE 3/8 INCH 90-100 NO. 30 20-35 RECEIVING SURFACES BY METHODS ACCEPTABLE TO THE OWNER'S SUPPLEMENT WATER CURING ON SHOTCRETE THAT WILL BE COVERED LATER �"'� � W � QUALIFIED TO INSPECT REINFORCEMENT AND SHOTCRETE PLACEMENT. #4 70-85 NO. 50 8-20 REPRESENTATIVE. THE REMOVAL SHALL 8E ACCOMPLISHED IN SUCH A WITH ADDITIONAL SHOTCRETE OR CONCRETE. THE SHEETING SHALL (f� � � � #8 50-70 NO. 100 2-10 MANNER AS NOT TO LOOSEN, CRACK, OR SHATTER THE SURFACES TO COMPLETELY COVER ALL SURFACES, AND HAVE EDGES OVERLAPPED FOR z ` � 1.02 QUALITY ASSURANCE RECEIVE THE SHOTCRETE. ANY SURFACE MATERIAL THAT, IN THE OPINION OF PROPER SEALING AND ANCHORAGES. O r A. THE CONTRACTOR IS RESPONSIBLE FOR IMPLEMENTING A QUALITY B, CEMENT CONTENT SHALL BE AT LEAST 600 POUNDS PER CUBIC YARD. THE OWNER'S REPRESENTATIVE, IS SO LOOSENED OR DAMAGED SHALL BE � � . ASSURANCE PROGRAM. ALL WORKERS, INCLUDING FOREMAN, NOZZLEMEN, THE WATER/CEMENT RATIO SHALL NOT BE GREATER THAN 0.45. FOR WET-MIX REMOVED TO SUFFICIENT DEPTH TO PROVIDE A BASE THAT IS SUITABLE TO 3.12 WEATHER LIMITATIONS �- � � FINISHERS AND DELIVERY EQUIPMENT OPERATORS SHALL BE FULLY QUALIFIED SHOTCRETE EXPOSED TO FREEZING AND THAWING, THE AIR CONTENT AT THE RECEIVE THE SHOTCRETE. MATERIAL THAT LOOSENS AS THE SHOTCRETE IS Q TO PERFORM THE WORK. ALL NOZZLEMEN SHALL HAVE AT LEAST ONE YEAR TRUCK SHALL BE BETWEEN 7 TO 10 PERCENT WHEN TESTED IN ACCORDANCE APPLIED SHALL BE REMOVED. SHOTCRETE SHALL NOT BE PLACED ON FROZEN A. SHOTCRETE SHALL NOT BE PLACED IN COLD WEATHER UNLESS U � W OF CUMULATIVE EXPERIENCE IN THE PAST 3 YEARS IN SIMILAR SHOTCRETE WITH ASTM C231 /AASHTO T152. THE MIX SHALL BE PROPORTIONED TO BE SURFACES. ADEQUATELY PROTECTED WHEN THE AMBIENT TEMPERATURE IS BELOW 40° F U > ' APPLICATION WORK AND SHALL DEMONSTRATE ABILITY TO SATISFACTORILY PUMPABLE WITH THE CONCRETE PUMP FURNISHED FOR THE WORK. AND FALLING AND/OR WHEN THE SHOTCRETE IS LIKELY TO BE SUBJECTED TO LL' W ' PLACE THE MATERIAL IN ACCORDANCE WITH THE RECOMMENDATIONS OF ACI ADMIXTURES SHALL BE USED IN ACCORDANCE WITH THE MANUFACTURER'S 3,05 DELIVERY AND APPLICATION FREEZING TEMPERATURES BEFORE REACHING A MINIMUM STRENGTH OF 750 U O ' � 506.3R"GUIDE TO CERTIFICATION TO SHOTCRETE NOZZLEMEN"AND ANY RECOMMENDATIONS. PSI. COLD WEATHER PROTECTION SHALL BE MAINTAINED UNTIL THE W � O LOCAL CODE REQUIREMENTS. A. A CLEAN, DRY, QIL-FREE SUPPLY OF COMPRESSED AIR SUFFICIENT FOR STRENGTH OF THE IN-PLACE SHOTCRETE IS GREATER THAN 750 PSI. COLD � N C. SHOTCRETE SHALL BE PROPORTIONED TO PRODUCE A MIX CAPABLE OF MAINTAINING ADEQUATE NOZZLE VELOCITY FOR ALL PARTS OF THE WORK AND WEATHER PROTECTION SHALL INCLUDE HEATING UNDER TENTS, BLANKETS OR � � � � B. QUALIFICATION OF NOZZLEMEN SHALL BE BASED ON A VISUAL ATTAINING A COMPRESSIVE STRENGTH OF 2000 PSI IN 3 DAYS AND 4500 PSI IN FOR SIMULTANEOUS �PERATION OF A BLOW PIPE FOR CLEANING AWAY OTHER MEANS ACCEPTABLE TO THE OWNER'S REPRESENTATIVE. THE INSPECTION OF THE SHOTGRETE DENSITY AND VOID STRUCTURE AND ON 28 DAYS. THE AVERAGE COMPRESSIVE STRENGTH OF EACH SET OF THREE REBOUND BHALL BE MAINTAINED AT ALL TIMES. THE EQUIPMENT SHALL BE TEMPERATURE OF THE SH�TCRETE, WHEN DEPOSITED, SHALL BE NOT LESS J � ACHIEVING THE SPECIFIED 3-DAY AND 28- DAY COMPRESSIVE STRENGTH CORES EXTRACTED FROM TEST PANELS OR WALL FACE SHALL BE EQUAL TO CAPABLE OF DELIVERING THE PREMIXED MATERIAL ACCURATELY, UNIFORMLY, THAN 50° F NOR MORE THAN 80° F. THE AIR IN CONTACT WITH SHOTCRETE REQUIREMENTS DETERMINED FROM THE AVERAGE TEST RESULTS FROM OR EXCEED 85 PERCENT, WITH NO INDIVIDUAL CORE LESS THAN 75 PERCENT AND CONTINUOUSLY THROUGH THE DELIVERY HOSE. SURFACES SHALL BE MAINTAINED AT TEMPERATURES ABOVE 32° F FOR A Q� � � THREE CORES EXTRACTED FROM EACH PRE CONSTRUCTION AND OF THE SPECIFIED COMPRESSIVE STRENGTH IN ACCORDANCE WITH ACI 506.2. MINIMUM OF 7 DAYS. � �. PRODUCTION TEST PANEL. PRE CONSTRUCTION AND PRODUCTION TEST THE BOILED ABSORPTION OF SHOTCRETE, WHEN TESTED IN ACCORDANCE B. THE SHOTCRETE SHALL BE APPLIED FROM THE LOWER PART OF THE � PANELS, CORE EXTRACTION AND COMPRESSIVE STRENGTH TESTING SHALL BE W�TH ASTM C642 AT 7 DAYS, SHALL BE LESS THAN 8.0 PERCENT. B. SHOTCRETE APPLICATION SHALL BE SUSPENDED DURING HIGH WINDS � W WORK AREA UPWARDS TO PREVENT ACCUMULATION OF REBOUND ON �^ � CONDUCTED IN ACCORDANCE WITH ACI 506.2-94 UNLESS SPECIFIED UNCOVERED SURFACES. THICKNESS, METHODS OF SUPPORT, AIR PRESSURE, AND HEAVY RAINS WHEN IN THE OPINION OF THE OWNER'S REPRESENTATIVE v, W � OTHERWISE HEREIN. PART 3- EXECUTION AND RATE OF PLACEMENT C1F SHOTCRETE SHALL BE CONTROLLED TO THE QUALITY OF THE APPLICATION IS NOT ACCEPTABLE. NEWLY PLACED PREVENT SAGGING OR SLOUGHING OF FRESHLY APPLIED SHOTCRETE. SHOTCRETE EXPOSED TO RAIN THAT WASHES OUT CEMENT OR OTHERWISE �� C. THE CONTRACTOR SHALL NOTIFY THE OWNER'S REPRESENTATIVE NOT WHERE SHOTCRETE IS USED TO COMPLETE THE UNGROUTED ZONE OF THE MAKES THE SHOTCRETE UNACCEPTABLE TO THE OWNER'S REPRESENTATIVE n, o, 3.01 SHOTCRETE MIXING AND BATCHING v d- LESS THAN 2 DAYS PRIOR TO THE SHOOTING OF A QUALIFICATION PANEL. NAIL DRILL HOLE NEAR THE EXCAVATION CUT FACE THE NOZZLE SHALL BE SHALL BE REMOVED AND REPLACED. THE CONTRACTOR SHALL PROVIDE � � A. AGGREGATE AND CEMENT MAY BE BATCHED BY WEIGHT OR BY VOLUME � o� � SHOTCRETE MIX AND EQUIPMENT USED TO MAKE QUALIFICATION TEST PANELS POSITIONED INTO THE MOUTH OF THE DRiLLHOLE TO COMPLETELY FILL THE ADEQUATELY SECURED POLYETHYLENE SHEETING OR EQUIVALENT WHEN � ` IN ACCORDANCE WITH THE REQUIREMENTS OF ASTM C94/AASHTO M157. +-� Q � ' SHALL BE THE SAME AS THOSE TO BE USED FOR THE SOIL NAIL WALL. VOID. REBOUND SHALL NOT BE WORKED BACK INTO THE PLACEMENT NOR ADVERSE EXPOSURE TO WEATHER IS ANTICIPATED. � � ,.,, MIXING EQUIPMENT SHALL BE CAPABLE OF THOROUGHLY MIXING THE +, w N SHALL THE REBOUND BE SALVAGED. REBOUND THAT DOES NOT FALL CLEAR � � MATERIALS IN SUFFICIENT QUANTITY TO MAINTAIN PLACING CONTINUITY. C D. EACH FINISHER SHALL HAVE AT LEAST ONE YEAR OF CUMULATIVE OF THE WORKING AREA SHALL BE REMOVED. THE NOZZLE SHALL BE HELD AT 3.13 TOLERANCES � � � R E A D Y-M I X S H O T C R E T E S H A L L B E D E L�V E R E D A N D P L A C E D W I T H I N 9 0 M I N U T E S EXPERIENCE IN THE PAST 3 YEARS IN SIMILAR STRUCTURAL SHOTCRETE A DISTANCE AND AT AN ANGLE APPROXIMATELY PERPENDICULAR TO THE �U w � ' APPLICATION WORK. OF BEING BATCHED UNLESS APPROVED OTHERWISE BY THE ENGINEER. WORKING FACE SO THAT REBOUND W1Ll. BE MINIMAL AND COMPACTION WILL (n BE MAXIMIZED. THE NOZZLE SHALL BE ROTATED STEADILY IN A SMALL A. THE TOLERANCES FOR TEMPORARY AND PERMANENT SHOTGRETE � � 1.03 SUBMITTALS 3.02 SHOTCRETE TEST PANELS FACINGS SHALL BE AS FOLLOWS: � CIRCULAR PATTERN. PERMANENT � z _ � SHOTCRETE tn o 3.02.01 GENERAL C. SHOTCRETE PLACEMENT SHALL BE BY THE BENCH GUNNING METHOD �- � A. AT LEAST 5 BUSINESS DAYS PRIOR TO INITIATING THE WORK, THE A. PRE CONSTRUCTION AND PRODUCTION SHOTCRETE TEST PANELS ARE WHEN THE THICKNESS OF THE SHOTCRETE LAYER IS 6 IN. OR GREATER. THE VERTICAL L.00ATION OF SHOTCRETE JOINT 6" � ° N - CONTRACTOR SHALL SUBMIT TO THE ENGINEER FOR APPROVAL: REQUIRED (UNLESS WAIVED BY THE ENGINEER). PRE CONSTRUCTION AND GUNNING METHOD SHALL CONSIST OF BUILDING UP A THICK LAYER OF THICKNESS OF SHOTCRETE -0.25" ' � � o 1. WRITTEN DOCUMENTATION LISTING AT LEAST 5 SIMILAR SHOTCRETE PRODUCTION TEST PANELS SHALL NOT BE DISTURBED OR MOVED WITHIN THE SHOTCRETE FROM THE BOTTOM OF THE LIFT AND MAINTAINING THE TOP HORIZONTAL LOCATION OF REINFORCEMENT 1" '� � WALLS SUCCESSFULLY COMPLETED WITHIN THE PAST 3 YEARS, INCLUDING FIRST 24 HOURS AFTER SHOOTING. TEST PANELS SHALL BE FIELD CURED SURFACE AT APPROXIMATELY A 45-DEGREE SLOPE. REINFORCING LAP LENGTH - 1" W � � PHOTOGRAPHS OF THE PROJECT AS WELL AS NAME, ADDRESS, AND PHONE UNDER CONDITIONS SIMILAR TO THOSE ANTICIPATEQ FOR THE WORK. REINFORCEMENT SPACING 1" NUMBER OF THE OWNER'S REPRESENTATIVE. SHOTCRETING AND CORING OF TEST PANELS SHALL BE PERFORMED BY � 3.06 VISUAL OBSERVATION � 2. WRITTEN DOCUMENTATION OF THE NOZZLEMEN AND FINISHERS QUALIFIED PERSONNEL !N THE PRESENCE OF THE OWNER'S REPRESENTATIVE � w QUALIFICATIONS AND PROPOSED METHOD OF SHOTCRETE PLACEMENT. SECTION 02380 - RETAINING WALL MONITORING +_� z Q , 3. SHOP DRAWINGS ILLUSTRATING REINFORCING LAYOUT AND SCHEDULES. A. A CLEARLY DEFINED PATTERN OF CONTINUOUS HORIZONTAL OR � > � B. U N L E S S W A I V E D B Y T H E E N G I N E E R, T H E C O N T R A C T O R S H A L L P R O V I D E N Q � 4. SHOTCRETE MtX DESIGN INCLUDING: BRAND AND TYPE C?F PORTLAND EQUIPMENT, MATERIALS, AND PERSONNEL AS NECESSARY TO OBTAIN VERTICAL RIDGES OR DEPRESSIONS AT THE REINFORCING ELEMENTS AFTER PART 1 -GENERAL C = � CEMENT TO BE USED: SOURCE, GRADATION, AND QUALITY OF AGGREGATES AS THEY ARE COVERED WILL BE CONSIDERED INQICATION OF INSUFFICiENT O � � SHOTCRETE CORES FOR TESTING INCLUDING CQNSTRUCTIQN OF TEST PANEL � SPECIFIED HEREIN; MIX PROPORTIONS BY WEIGHT; PROPOSED ADMIXTURES, COVER OF REINFORCEMENT OR POOR APPLICATION AND PROBABLE VOID. IN V �, � - BOXES, FIELD CURING REQUIREMENTS AND CORING. COMPRESSIVE 1.01 DESCRIPTION o AND THEIR MANUFACTURER, DOSAGE, AND TECHNICAL LITERATURE; AND STRENGTH TESTING WILL BE PERFORMED BY THE OWNER. SHOTCRETE WILL THIS CASE, THE WORK SHALL BE IMMEDIATELY SUSPENDED AND THE WORK rn = COMPRESSIVE STRENGTH TEST RESULTS FROM THE MANUFACTURES CAREFUL�Y INSPECTED BY THE OWNER'S REPRESENTATIVE. THE N a- , BE ACCEPTED BASED ON THE 28-DAY STRENGTH. THE FREQUENCY SPECIFIED A. CONSTRUCTION MONITORING OF THE SOLDIER PILE WALLS SHALL BE RECORDS NO OLDER THAN 6 MONTHS VERIFYING THE 28-DAY COMPRESSIVE FOR TEST PANELS IS APPROXIMATE. A GREATER OR LESSER NUMBER OF CONTRACTOR SHALL IMPLEMENT AND COMPLETE CORRECTIVE MEASURES THE RESPONSIBILITY OF THE CONTRACTOR. MONITORING SHALL CONSIST OF STRENGTH. PANELS MAY BE MADE AS REQUIRED BY THE ENGINEER. PRIOR TO RESUMING THE SHOTCRETE OPERATIONS. CONTROL.LED SURVEYING AS DESCRIBED IN THIS SECTION AND WILL BE 5. CERTIFIED MILL TESTS FOR ALL REINFORCING STEEL FROM EACH HEAT PROVIDED BY THE CONTRACTOR AT NO EXPENSE TO THE OWNER. THE R� �. SPECIFYING THE MINIMUM ULTIMATE STRENGTH, YIELD STRENGTH, 3.07 DEF�CTIVE SHOTCRETE ��' �As°�� 3.02.02 PRECONSTRUCTION TEST PANELS GEOTECHNICAL ENGINEER WILL BE PROVIDED SURVEY MONITORING RESULTS ��t r '�" ELONGATION, AND COMPOSITION. WITHIN 48 HOURS OF COMPLETION OF THE SURVEY. EXECUTION OF THE ' �' �' A. EACH SHOTCRETE APPLICATION CREW SHALL FURNISH AT LEAST TWO 6. CERTIFICATtONS OF COMPLIANCE FOR BEARING PLATES, NUTS, AND PRECONSTRUCTION TEST PANELS FOR EACH PROPOSED MIXTURE BEING A. SURFACE DEFECTS SHALL BE REPAIRED AS SOON AS POSSIBLE AFTER SURVEYING SHALL BE PERFORMED BY A LICENSED SURVEYOR. CONTRO�LED CURING COMPOUNDS. CONSIDERED AND FOR EACH SHOOTING POSITION ENCOUNTERED ON THE JOB. �NITIAL PLACEMENT OF SHOTCRETE. ALL SHOTCRETE THAT LACKS SURVEYING SHALL BE PERFORMED TO DETERMINE: (A) ELEVATION AND PLAN � 7. SPECIFlCAT10N AND pATA FOR REVIEW ON EQUIPMENT PROPOSED FOR PRECONSTRUCTION TEST PANELS SHALL BE MADE BY EACH APPLICATION UNIFORMiTY, EXHIBITS SEGREGATION, SAGGING, HONEYCOMBING, OR LOCATION OF MONITORING POINTS; AND (B) VERTICAL AND HORIZONTAL �, � THE PROJECT INCLUDING SHOTCRETING AND COMPRESSED AIR EQUIPMENT, CREW USING THE EQUIPMENT, MATERIALS, MIXTURE PROPORTIONS, AND �MINATION, OR CONTAINS ANY VOIDS OR SAND POCKETS SHALL BE REMOVED MOVEMENT OF THE MONITORING POINTS. MONITORING SHALL BE COMPLETED �,c• ,p�,. 2832i.i� �`�' AND REPLACED WITH FRESH SHOTCRETE BY THE CONTRRCTOR TO THE IN ACCORDANCE WITH THE GEOTECHNICAL REPORT. �SgyUry�� c�� PROPOSED ACCESS ARRANGEMENTS, AND CAPACITIES. PROCEDURES PROPOSED FOR THE JOB PRIOR TO THE COMMENCEMENT OF SATISFACTION OF THE OWNER'S REPRESENTATIVE. � 8. METHODS OF CONTROL�ING THE LOCATION OF THE FINISH FACE AND WORK. DETERMINING SHOTCRETE THICKNESS. B. MONITORING POINTS SHALL CONSIST OF BOLTS OR RODS EMBEDDED B. PRECONSTRUCTION TEST PANELS FOR PLAN SHOTCRETE SHALL BE 30 IN. 3.08 CONSTRUCTION JOINTS INTO THE OBJECT OF INTEREST, OR CROSS-HAIRS SCRIBED ONTO A P�ATE �� � PART 2 - MATERIA�S X 30 IN. IN ACCORDANCE WITH ACI 506.2-94, WITH THE FOLLOWING THAT IS ATTACHED TO THE FACE OF THE OBJECT OF INTEREST. SURVEY SH6.2 N EXCEPTIONS: A. CONSTRUCTION JOINTS SHALL BE WATERTIGHT AND UNIFORMLY ACCURACY SHALL BE TO +/-0.01 FT. , `" 2.01 GENERAL 1. ONE PRECONSTRUCTION TEST PANEL SHALL BE OF THE MAXIMUM TAPERED TOWARD THE EXCAVATION FACE OVER A MINIMUM DISTANCE EQUAL DESIGNED BY; ZLK - `'' A. ALL MATERIALS FOR SHOTCRETE SHALL CONFORM TO THE FOLLOWING SHOTCRETE THICKNESS SHOWN ON THE PLANS AND SHALL INCLUDE THE TO THE THICKNESS OF THE SHOTCRETE LAYER. THE SURFACE OF THE JOINTS C. MONITORING POINTS SHALL BE ESTABLISHED: (A)AT EVERY OTHER DRAWN BY: AMP ; REQUIREMENTS. MAXIMUM ANTICIPATED REINFORCENG CONGESTION. CORES EXTRACTED SHALL BE ROUGH, CLEAN, SOUND AND DAMP. THE HARDENED SURFACE SHALL SOLDIER PILE; (B) ON ALL EXISTING STRUCTURES THAT ARE SENSITIVE TO APPVD.BY: DRS FROM THE TEST PANEL SHALL DEMONSTRATE ENCAPSULATION OF THE BE CLEANED OF ALL LAITANCE, FQREIGN SUBSTANCES, WASHED WITH CLEAN MOVEMENT AND WITHIN 30 FEET OF THE EXCAVATION; AND (D)AT THE CURB SCALE: AS SHOWN c�n REINFORCEMENT IN ACCORDANCE WITH ACI 506.2 EQUAL T� CORE GRADE 2 WATER, AND WETTED THOROUGHLY PRECEDING PLACEMENT OF FRESH LINE AT 25 FOOT INTERVALS (IF NECESSARY). DATE; MARCH 2O19 �, CEMENT -ASTM C150/AASHTO M85, TYPE I. SHOTCRETE. PROJ,N0, 81175122 � OR BETTER. � FWE AGGREGATE -ASTM C33/AASHTO M6. 2. ONE PRECONSTRUCTION TEST PANEL SHALL BE AT LEAST 6 INCHES B• THE SHOTCRETING PROCEDURE MAY BE CORRECTED BY ADJUSTING THE 1.02 M�NITORING FREQUENCY AND REPORTING SHEET NO.: 11 OF 11