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HomeMy WebLinkAboutDiosa Sewer Alignment (4)..\..\..\..\..\ADW Dropbox\21012.00 - MF Tigard\21012.00 - Permit Documents\4. Public works Application\Sewer Engineering\1.jpg 195 19 5 19 5 195 195 19 5 N 16°01'58" E 32.26' S 8 9 ° 2 9 ' 1 7 " W 13 . 9 0 ' N 14°11'27" E CB DRIVEWAYCURB CONCRETE SIDEWALK 18 " T R E E FH 22 " T R E E TR 16" FIR 16 " T R E E 18 " T R E E 18 " F I R CO N C R E T E S I D E W A L K EXTRUDED CURB 22 " T R E E 14 " T R E E 6" TREE HC S HC S 18 " T R E E AS P H A L T AS P H A L T CB CO N C R E T E ML P 36 " C E D A R EX T R U D E D C U R B EX T R U D E D C U R B BO L BO L BO L BO L CB BO L CV CV 16 " F I R CV ( 2 ) FD C WA T E R V A U L T WM CV EXTRUDED CURB CO N C R E T E S I D E W A L K CO N C R E T E EX T R U D E D C U R B HC S EX T R U D E D C U R B TS B CO N C R E T E GA T E TR A S H E N C L O S U R E SW GREENBURG ROAD U U CONCRETE SIDEWALK XSS XSS XSS XSS XSS XSS XSS XS S XS S XSS XSS XSS SUBJECT PARCEL 10350 SW GREENBURG RD R1224776 XS S XSS HC S HC S HC S PROJECT SITE Dig Safely. Call the Oregon One-Call Center DIAL 811 or 1-800-332-2344 POTENTIAL UNDERGROUND FACILITY OWNERS PW1.0-COVER SHEET PW1.1-SEWER LINE EXTENSION PLAN PW1.2-SECTION PROFILES OF PIPES PW2.0-CONSTRUCTION DETAILS EC1-EROSION CONTROL PLAN EC2-DETAILS ENGINEER OF RECORD RAHIM A. ABBASI, P.E. ABBASI DESIGN WORKS, LLC 500 E 24TH ST VANCOUVER, WA 98663 RAHIM@ABBASIDESIGN.COM +1.503.816.9466 GENERAL CONTRACTOR RUSS KLENNERT TALENTS CONSTRUCTION 915 BROADWAY SUITE 300 VANCOUVER, WA 98660 360.818.7009 RUSS@TALENTSCONSTRUCTION.NET CONSTRUCTING A SEWER LINE REALIGNMENT ON LOT 1S135AB01003. ENGINEER'S NOTE TO CONTRACTOR THE CONTRACTOR IS REQUIRED TO TAKE DUE PRECAUTIONARY MEASURES TO PROTECT UTILITY LINES ON THESE DRAWINGS. THE CONTRACTOR AGREES THAT THEY SHALL ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR THE JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THIS PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY. THIS SHALL APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS; AND THE CONTRACTOR SHALL DEFEND, INDEMNIFY AND HOLD THE OWNER AND THE ENGINEER HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPT THE LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF THE OWNER OR THE ENGINEER. CONTRACTOR SHALL VERIFY ALL CONDITIONS AND DIMENSIONS AND SHALL REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO COMMENCEMENT OF WORK. SITE MAP SCALE: 1" = 30' PROJECT DIRECTORY DRAWING INDEX VICINITY MAP SCOPE OF WORK APPROVAL: CLEAN WATER SERVICES CITY OF TIGARD/ PW1.0 MF TIGARD 10350 SW GREENBURG RD TIGARD, OR 97223 1.THE PERMIT HOLDER MUST COMPLY WITH ALL APPLICABLE PROVISIONS OF FEDERAL AND STATE LAW, THE TIGARD MUNICIPAL CODE, AND THE TERMS OF ANY AGREEMENT WITH THE CITY OF TIGARD REGARDING WORK TO BE DONE PURSUANT TO THIS PERMIT. 2.THE CITY'S STANDARD SPECIFICATION FOR TRAFFIC CONTROL IS "MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES FOR STREETS AND HIGHWAYS", U.S. DEPT. OF TRANSPORTATION, FHWA, CURRENT EDITION. 3.TRAFFIC CONTROL SHALL BE PROVIDED FOR BY THE CONTRACTOR IN ACCORDANCE WITH THE CITY'S STANDARD SPECIFICATIONS AND, ALSO, IN ACCORDANCE WITH A CITY (JOB SPECIFIC) APPROVED TRAFFIC CONTROL PLAN. A COPY OF THE APPROVED TRAFFIC CONTROL PLAN SHALL BE AVAILABLE AT THE WORK AREA. 4.PUBLIC ROADWAY SHALL NOT BE CLOSED TO TRAFFIC, AT ANY TIME, WITHOUT HAVING FIRST OBTAINED WRITTEN APPROVAL FROM THE CITY ENGINEER. THE PERMIT HOLDER IS RESPONSIBLE FOR PROVISION OF TIMELY NOTIFICATION OF TRAFFIC FLOW DISRUPTIONS TO AREA WIDE EMERGENCY SERVICES (TIGARD POLICE DEPT., TUALATIN FIRE & RESCUE) AND TO TRI-MET AND TIGARD SCHOOL DISTRICT AND OTHER SERVICE PROVIDERS. 5.ADVANCE WARNING OF IMMINENT TRAFFIC DISRUPTION SHALL BE PROVIDED TO THE GENERAL MOTORING PUBLIC BY PLACEMENT OF AN ADVANCE NOTIFICATION SIGN AT EACH END OF THE CONSTRUCTION AREA 72 HOURS (MIN.) BEFORE INITIATION OF CONSTRUCTION WORK. 6.ACCESS TO EXISTING PROPERTIES SHALL BE MAINTAINED AT ALL TIMES, INCLUDING NORMAL DELIVERY SERVICE AND MAIL SERVICE AND IF NOT, SHALL BE CAUSE FOR WORK STOPPAGE UNTIL EFFECTIVE ACCESS IS ESTABLISHED. 7.TRAFFIC CONTROL DEVICES, FLAG PERSONS, ETC., SHALL BE IN PLACE PRIOR TO INITIATION OF CONSTRUCTION WORK AND SHALL BE EFFECTIVELY MAINTAINED. 8.PURSUANT TO TIGARD MUNICIPAL CODE SECTION 7.40.180, WORK IS PERMITTED BETWEEN THE HOURS OF 7:00 A.M. TO 7:00 P.M. DAILY UNLESS OTHERWISE AUTHORIZED BY THE CITY MANAGER. 9.HOURS OF CONSTRUCTION WORK ON COLLECTOR AND ARTERIAL ROADS WILL BE LIMITED TO 9:00 A.M.-3:00 P.M. UNLESS AUTHORIZED BY THE CITY ENGINEER. NO WORK WILL BE PERMITTED ON COLLECTOR AND ARTERIAL ROADS BETWEEN 3:30 P.M. AND 9:00 A.M. UNLESS AUTHORIZED BY THE CITY ENGINEER. 10.TEMPORARY TRENCH PATCHING ON ARTERIALS AND COLLECTORS SHALL BE PAVED WITH AT LEAST 2” OF HOT MIX ASPHALT. 11.MINIMUM TRAVEL LANE WIDTH SHALL BE TWELVE (12) FEET; PEDESTRIAN TRAVEL SHALL ALSO BE PROVIDED FOR. 12.THE CITY RESERVES THE RIGHT TO ADD TO OR MODIFY TRAFFIC CONTROL REQUIREMENTS AS MAY BE NECESSARY TO EFFECTIVELY CONTROL TRAFFIC AND TO ASSURE PUBLIC SAFETY. 13.BEFORE INITIATING ANY CONSTRUCTION ACTIVITY, THE PERMIT HOLDER SHALL BE CONTACTED BY THE CITY'S PRIVATE DEVELOPMENT INSPECTOR, (503/639-4171) TO ESTABLISH A PLACE, TIME, AND DATE FOR A PRECONSTRUCTION MEETING. 14.THE PERMIT HOLDER OR HIS CONTRACTOR SHALL NOTIFY THE CITY'S INSPECTOR AT 503/639-4171 TWENTY-FOUR (24) HOURS PRIOR TO COMMENCING WORK, TWENTY-FOUR (24) HOURS PRIOR TO ANY STAGED INSPECTION AND AFTER COMPLETING WORK COVERED BY THE PERMIT. 15.A COPY OF THE PERMIT AND ALL ATTACHMENTS, AND A COPY OF THE APPROVED CONSTRUCTION PLAN AND ALL AMENDMENTS SHALL BE AVAILABLE AT THE WORK AREA. ALL WORK SHALL CONFORM TO THE PERMIT TERMS, CONDITIONS AND PROVISIONS AND TO THE CITY APPROVED PERMIT PLANS, AND APPROVED PLAN AMENDMENTS AND TO THE CITY'S STANDARDS AND SPECIFICATIONS AND TO THESE GENERAL CONDITIONS. CHANGES TO ANY OF THE AFORESAID MUST BE APPROVED BY THE CITY, IN ADVANCE OF WORK PERFORMANCE. 16.MAINTENANCE OF THE WORK AREA AND APPROACH ROADS IS THE RESPONSIBILITY OF THE PERMIT HOLDER. THE WORK AREA AND APPROACH ROADS SHALL BE MAINTAINED IN A CLEAN CONDITION, FREE FROM OBSTRUCTIONS AND HAZARDS. A COPY OF THE PERMIT HOLDERS CERTIFICATE OF INSURANCE SHALL BE AVAILABLE AT THE WORK AREA. 17.THE SPREADING OF MUD OR DEBRIS OR STORAGE OF MATERIALS OR EQUIPMENT OF ANY KIND UPON ANY PUBLIC ROADWAY IS STRICTLY PROHIBITED AND VIOLATION SHALL BE CAUSE FOR IMMEDIATE CANCELLATION OF THE PERMIT THE CITY MAY AT ANY TIME ORDER IMMEDIATE CLEAN-UP AND THE STOPPAGE OF WORK TO ACCOMPLISH CLEAN-UP. 18.EFFECTIVE EROSION CONTROL IS REQUIRED. EROSION CONTROL DEVICES MUST BE INSTALLED AND MAINTAINED MEETING THE CLEAN WATER SERVICES AND DEQ REQUIREMENTS. THE CITY MAY AT ANY TIME ORDER CORRECTIVE ACTION AND STOPPAGE OF WORK TO ACCOMPLISH EFFECTIVE EROSION CONTROL. 19.PROPERTY DISTURBED BY CONSTRUCTION ACTIVITY SHALL BE SEEDED WITH A STANDARD GRASS MIX; SHRUBS, FLOWERS, BARK DUST, EXISTING SIGNS, PAVEMENT MARKINGS, MAILBOXES, ETC. SHALL BE REESTABLISHED, REINSTALLED OR REPLACED, WITH LIKE KIND AND MATERIAL. 20.EFFECTIVE DRAINAGE CONTROL IS REQUIRED. DRAINAGE SHALL BE CONTROLLED WITHIN THE WORK SITE AND SHALL BE SO ROUTED THAT ADJACENT PRIVATE PROPERTY, PUBLIC PROPERTY AND THE RECEIVING SYSTEM IS NOT ADVERSELY IMPACTED. THE CITY MAY AT ANY TIME ORDER CORRECTIVE ACTION AND STOPPAGE OF WORK TO ACCOMPLISH EFFECTIVE DRAINAGE CONTROL. 21.OREGON LAW REQUIRES FOLLOWING THE RULES ADOPTED BY THE OREGON UTILITY NOTIFICATION CENTER. SAID RULES ARE SET FORTH IN OAR 952-001-0010 THROUGH OAR 952-001-0080. COPIES OF SAID RULES MAY BE OBTAINED FROM THE CENTER BY CALLING 503-246-1987. IF YOU HAVE ANY QUESTION ABOUT THE RULES, CONTACT THE CENTER. DAMAGE TO UTILITIES SHALL BE CORRECTED AT THE PERMIT HOLDERS EXPENSE. 22.CONTRACTOR MUST VERIFY ALL EXISTING UTILITIES FOR BOTH VERTICAL ELEVATION AND HORIZONTAL LOCATION PRIOR TO START OF WORK (POTHOLE BEFORE DIGGING IF NECESSARY). SHOULD CONFLICTS ARISE AND REDESIGN OR RELOCATION OF FACILITIES BE NECESSARY, IT SHALL BE DONE AT THE PERMIT HOLDERS EXPENSE. CHANGES MUST BE APPROVED BY THE CITY IN ADVANCE OF WORK PERFORMANCE. CONTRACTOR SHALL COORDINATE THE WORK WITH AFFECTED UTILITY AGENCIES. 23.A TEMPORARY HARD-SURFACE PATCH (COLD MIX A.C. OR HOT MIX BASE PAVING) SHALL BE PLACED ON TRENCHES WITHIN ROADWAYS AT THE END OF EACH DAYS WORK. NO TRENCH, ON SITE OR OFF-SITE, SHALL BE LEFT AT ANY TIME IN AN UN-SAFE CONDITION. THE PERMIT HOLDER IS RESPONSIBLE FOR AND IS LIABLE FOR HAZARDS OR DAMAGE RESULTING FROM THE PROSECUTION OF THE WORK. 24.WORK PROVIDED FOR UNDER THE PERMIT SHALL INCLUDE REPAIR OF EXISTING FACILITIES (ROADS, DITCHES, ETC.) AS MAY BE NECESSARY, IN THE CITY INSPECTOR'S OPINION, TO OVERCOME DETERIORATION OR DAMAGE WHICH OCCURRED IN CONJUNCTION WITH THE WORK AUTHORIZED BY THE PERMIT. CORRECTIVE WORK SHALL BE DONE AT THE PERMIT HOLDERS EXPENSE. 25.ONE AS-BUILT DRAWING AND PDF SHOWING ALL NEW PUBLIC IMPROVEMENTS, INCLUDING ANY REVISION MADE TO THE PREVIOUSLY APPROVED CONSTRUCTION PLANS AND, ALSO, ANY IMPROVEMENT WHICH MAY IMPACT AN EXISTING PUBLIC SYSTEM OR FACILITY, SHALL BE PROVIDED TO THE CITY BY A REGISTERED CIVIL ENGINEER ALONG WITH AN ENGINEER’S CERTIFICATION OF INSTALLATION COMPLIANCE (FORM ATTACHED). IN ADDITION, THE APPLICANT’S AS-BUILT DRAWINGS SHALL BE TIED TO THE GPS NETWORK. THE APPLICANT’S ENGINEER SHALL PROVIDE THE CITY WITH AN ELECTRONIC FILE WITH POINTS FOR EACH STRUCTURE (MANHOLES, CATCH BASINS, WATER VALVES, HYDRANTS AND OTHER WATER SYSTEM FEATURES) IN THE DEVELOPMENT, AND THEIR RESPECTIVE X AND Y STATE PLANE COORDINATES, REFERENCED TO NAD 83 (91). INCLUDE ACROBAT (***.PDF) FILE AND ONE 11X17 COPY OF AS-BUILTS. 26.A SEWER SYSTEM AIR-TEST AND A VIDEO TEST REPORT AND ONE SET OF BLUELINE "AS-BUILTS" (OF EITHER OR BOTH THE STORM AND SANITARY SEWER SYSTEMS) SHALL BE REQUIRED BY THE CITY FOR REVIEW AND APPROVAL PRIOR TO CONNECTION OF ANY BUILDINGS TO THE SEWER SYSTEM. 26.THE PERMIT HOLDERS ENGINEER/INSPECTOR SHALL SUBMIT DAILY INSPECTION REPORTS, ON A WEEKLY BASIS, TO THE CITY'S INSPECTOR. (SEE DEVELOPER - ENGINEER AGREEMENT NOTE # 5.) 27.THE CITY'S INSPECTOR MAY, AT HIS DISCRETION, REQUIRE PROVISION OF TESTS AND OR REPORTS FROM THE PERMIT HOLDER, THE PERMIT HOLDERS ENGINEER OR CONTRACTOR TO VALIDATE CLAIMS OF MATERIAL OR CONSTRUCTION ADEQUACY/COMPLIANCE. SUCH TESTS/REPORTS SHALL BE PROVIDED AT THE PERMIT HOLDER’S EXPENSE. 28.THE PERMIT HOLDER SHALL PROVIDE A COPY OF A PROPERLY EXECUTED RELEASE AND WAIVER DOCUMENT TO THE CITY FOR EACH OWNERSHIP DISTURBED BY CONSTRUCTION ACTIVITY, AS EVIDENCE OF DISTURBANCE RESOLUTION AND OWNER SATISFACTION. 29.EXISTING MONUMENTS, PROPERTY CORNERS, AND SURVEY MARKERS SHALL BE PROTECTED. REPLACEMENT SHALL BE AT THE PERMIT HOLDERS EXPENSE. 30.THE ENGINEER SHALL NOTIFY THE WASHINGTON COUNTY SURVEYOR WHEN THE INITIAL AND FINAL LIFT OF ASPHALT HAVE BEEN PLACED. 31.THE PERMIT HOLDER SHALL PROVIDE TO THE CITY INSPECTOR, IN WRITING, THE NAMES AND 24 HOUR EMERGENCY TELEPHONE NUMBER OF TWO (2) PERSONS WHO HAVE AUTHORITY TO RESOLVE PROBLEMS, TAKE CORRECTIVE ACTION AND, IN GENERAL, WILL BE RESPONSIBLE IN CASE OF ANY EMERGENCY. THE PERMIT HOLDER SHALL NOTIFY THE CITY INSPECTOR, IN WRITING, OF ANY/ALL ASSIGNMENT CHANGES. 32.THE PERMIT HOLDER SHALL CAUSE HIS CONTRACTOR TO PROVIDE TO THE CITY INSPECTOR, IN WRITING, THE NAME AND 24 HOUR EMERGENCY TELEPHONE NUMBER OF A DESIGNATED "COMPETENT PERSON" RESPONSIBLE FOR CONSTRUCTION SAFETY AS PER OR-OSHA, CHAP. 437, DIV. 3 CONSTRUCTION, SUB-DIVISION P - EXCAVATIONS. THE CONTRACTOR SHALL NOTIFY THE CITY INSPECTOR OF ANY/ALL ASSIGNMENT CHANGES. 33.IT IS THE SOLE RESPONSIBILITY OF THE PERMIT HOLDER TO PROVIDE FOR PROPER RIGHT-OF-ENTRY AND/OR EASEMENTS PRIOR TO STARTING WORK. PROOF OF RIGHT-OF-ENTRY OR PROPERLY EXECUTED EASEMENTS, SHALL BE PROVIDED TO THE CITY. THE CITY SHALL IN NO WAY BE CONSTRUED TO BE LIABLE FOR THE PERMIT HOLDERS FAILURE TO OBTAIN OR PROVIDE FOR PROOF OF RIGHT-OF-ENTRY OR EASEMENTS. 34.BEFORE PLACEMENT OF ASPHALT, THE PERMIT HOLDER SHALL CLEAN AND COMPLETE A PRE-ACCEPTANCE VIDEO INSPECTION OF ALL NEW SEWER LINES. THE PERMIT HOLDER SHALL PROVIDE THE CITY WITH 30 DAYS OF NOTICE FOR THE VIDEO INSPECTION. ANY DEFICIENCIES SHALL BE REPAIRED BEFORE PLACEMENT OF FINAL LIFT. 35.(PRIVATE SYSTEMS) THE DEVELOPER SHALL MAINTAIN THE WATER QUALITY FACILITY AND CORRECT ANY DEFECTIVE WORK, AND SHALL PERFORM ALL SCHEDULED MAINTENANCE TO ASSURE PROPER FUNCTIONING OF THE FACILITY. 36.(PUBLIC SYSTEMS) THE DEVELOPER SHALL CREATE AND PROVIDE TO THE CITY A SCHEDULE FOR PERIODIC (QUARTERLY) MAINTENANCE OF THE WATER QUALITY FACILITY. THE DEVELOPER SHALL MAINTAIN SAID FACILITY FOR A PERIOD OF THREE (3) YEARS FROM THE DATE OF CITY CONDITIONAL ACCEPTANCE OF THE PUBLIC IMPROVEMENTS. ON OCTOBER 1ST OF EACH YEAR DURING THIS THREE (3) YEARS PERIOD, THE DEVELOPER SHALL REPORT, IN WRITING, MAINTENANCE ACTIVITIES TO THE DIRECTOR OF PUBLIC WORKS. CITY CREWS SHOULD MONITOR PROPER REMOVAL AND DISPOSAL OF SILT AND DEBRIS. PRIOR TO CITY FINAL ACCEPTANCE OF THE FACILITY, THE DEVELOPER SHALL PROVIDE A WRITTEN EVALUATION OF THE OPERATION AND MAINTENANCE NEEDS OF THE FACILITY AND CORRECT ANY DEFICIENCIES IDENTIFIED IN THE EVALUATION. GENERAL CONDITIONS STORM AND SANITARY NOTES 1.ALL STORM DRAIN CONNECTIONS ARE TO BE FACTORY TEES UNLESS OTHERWISE NOTED 2.ALL RAIN DRAINS OR FOOTING DRAINS SHALL BE PIPED OR CONNECTED TO A DRAINAGE SYSTEM, DRAINAGE BLOCKOUTS SHALL BE PLACED IN CURBING FOR THOSE LOTS ONLY INDICATED ON THE PLANS. BLOCKOUTS ARE TO BE LOCATED 5’ FROM PROPERTY LINES. 3.ALL STORM SEWER PIPE SHALL BE INSTALLED WITH WATERTIGHT JOINTS IN EASEMENT AREAS. 4.STORM SEWER PIPE, UNLESS OTHERWISE NOTED ON PLANS, SHALL BE PVC PER ASTM D-3034 (SDR 35). 5.BACKFILL MUST BE COMPACTED TO A DENSITY OF 95% PER ASSHTO T-99 IN PAVED OR STRUCTURAL FULL AREAS. MINIMUM COMPACTION IN UNPAVED OR NON-STRUCTUAL FILL AREAS IS 90%. 6.STORM DRAIN LINES SHALL BE WHITE IN COLOR AND TESTED ACCORDING TO THE REQUIREMENTS OF CLEAN WATER SERVCES. TESTING SHALL BE PERFORMED AFTER CONSTRUCTION IS COMPLETED INCLUDING BACKFILLING AND COMPACTION OF BASE ROCK. THE DEFLECTION TEST AS DESCRIBED IN THE AMERICAN PUBLIC WORKS ASSOCIATION MANUAL – OREGON CHAPTER IS REQUIRED. ALL STORM SEWER LINES MUST BE THOROUGHLY CLEANED PRIOR TO DOING ANY TESTING OR VIDEO TAPING. 7.THE ENDS OF STORM DRAIN SERVICE LATERAL OR PIPE STUBS SHALL BE MARKED WITH A ONE PIECE 2”X4” MARKER EXTENDING A MINIMUM 12” ABOVE THE GROUND WITH THE END PAINTED IN WHITE. ATTACH MAGNETIC TAPE ALONSIDE THE 2X4 MARKER (SEE DETAIL 290-ST). 8.NOTIFY CITY OF TIGARD INSPECTOR 48 HOURS PRIOR TO PERFORMING ANY WORK. 9.STORM LATERALS WILL BE 4” DIAMETER, WHITE IN COLOR AND HAVE A MINIMUM SLOPE OF 2.00% UNLESS OTHERWISE NOTED ON PLANS. 10.ALL STORM LATERAL LOCATIONS SHALL BE STAMPED “D” IN THE CURB. 11.SANITARY LATERALS SHALL BE TESTED IN ACCORDANCE WITH THE REQUIREMENTS OF CHAPTER 8 (TECHNICAL SPECIFICATIONS FOR CONVEYANCE SYSTEMS) OF THE CLEAN WATER SERVICES “DESIGN AND CONSTRUCTION STANDARDS”. 12.SANITARY LATERALS WILL BE 4” DIAMETER, GREEN IN COLOR AND HAVE A MINIMUM SLOPE OF 2.00% UNLESS OTHERWISE NOTED ON PLANS. 13.ALL SANITARY LATERALS SHALL BE STAMPED “S” IN THE CURB. 14.THE ENDS OF SANITARY SERVICE LATERALS OR PIPE STUBS SHALL BE MARKED WITH A ONE PIECE 2”X4” MARKER EXTENDING A MINIMUM 12” ABOVE THE GROUND WITH THE END PAINTED GREEN. ATTACH MAGNETIC TAPE ALONSIDE THE 2X4 MARKER (SEE DETAIL 290-ST) 15.ONLY STANDARD RISERS WILL BE PERMITTED ON ALL STORM AND SANITARY MANHOLE IN PAVED AREAS. 1.ERRORS AND OMISSIONS ARE THE RESPONSIBILITY OF THE “ENGINEER OF RECORD”. IF ERRORS OR OMISSIONS ARE FOUND AFTER THE PERMIT HAS BEEN ISSUED, THE PERMITTEE OR ITS CONTRACTOR SHALL CONTACT THE ENGINEER OF RECORD (RAHIM A. ABBASI DESIGN WORKS INC. AT 503.816.9466) TO HAVE THE CORRECTIONS MADE. ALL CHANGES WILL REQUIRE THE APPROVAL OF THE CITY OF TIGARD ENGINEERING DEVELOPMENT SERVICES PRIOR TO THE WORK BEGINNING 2.ALL CONSTRUCTION SHALL CONFORM TO STANDARDS OF CITY OF TIGARD AND CLEAN WATER SERVICES (CWS). CONTRACTOR AND/OR SUBCONTRACTOR SHALL HAVE A MINIMUM OF ONE SET OF APPROVED PLANS AND CITY OF TIGARD STANDARD CONSTRUCTION SPECIFICATIONS ON THE JOB SITE AT ALL TIMES DURING CONSTRUCTION. 3.THE CONTRACTOR SHALL KEEP THE ARCHITECTAND JURISDICTION INFORMED OF CONSTRUCTION PROGRESS TO FACILITATE SITE OBSERVATIONS AT REQUIRED INTERVALS. 48-HOUR NOTICE IS REQUIRED. 4.ATTENTION EXCAVATORS: OREGON LAW REQUIRES YOU TO FOLLOW RULES ADOPTED BY OREGON UTILITY NOTIFICATION CENTER. THOSE RULES ARE SET FORTH IN OAR 952-001-0010 THROUGH OAR 952-001-0090. YOU MAY OBTAIN COPIES OF THESE RULES FROM THE CENTER BY CALLING (503) 232-1987. IF YOU HAVE ANY QUESTIONS ABOUT THE RULES, YOU MAY CONTACT THE CALL CENTER. YOU MUST NOTIFY THE CENTER AT LEAST 3 BUSINESS DAYS, BUT NOT MORE THAN 10 BUSINESS DAYS, BEFORE COMMENCING AN EXCAVATION. CALL 811 OR 1-800-332-2344. 5.CONTRACTOR SHALL MAINTAIN FLOWS IN THE EXISTING SYSTEM AT ALL TIMES. 6.ALL SEWER TRENCH LINES AND EXCAVATIONS SHALL BE PROPERLY SHORED AND BRACED TO PREVENT CAVING AS REQUIRED BY OREGON OCCUPATIONAL SAFETY AND HEALTH (OSHA). 7.EXCAVATED SEWER TRENCH SPOIL MATERIAL SHALL BE DISPOSED OF AT A PROPER LANDFILL. A COPY OF THE GRADING PERMIT AND PLAN SHALL BE PROVIDED TO THE CLEAN WATER SERVICES (CWS) FOR CONSTRUCTION INSPECTION AT THE PRE-CONSTRUCTION MEETING. ANY WORK OUTSIDE THE PUBLIC RIGHT OF WAY, INCLUDING CUTS FILLS GRADING AND CLEARING MAY REQUIRE PERMITS FROM CITY OF TIGARD. 8.UNANTICIPATED CONTAMINATION ENCOUNTERED DURING CONSTRUCTION IN CITY RIGHT OF WAY. A)THE APPLICANT IS RESPONSIBLE FOR ALL COSTS ASSOCIATED WITH PROPER CHARACTERIZATION, IDENTIFICATION ANALYSIS, MANAGEMENT AND DISPOSAL OF CONTAMINATED MEDIA ENCOUNTERED WITHIN THE CITY RIGHT-OF-WAY OR ON CITY PROPERTY. THE APPLICANT IS ALSO RESPONSIBLE FOR ALL RESULTANT DELAYS. B) THE APPLICANT WILL PROVIDE THE CITY (ENGINEER AND INSPECTORS) WITH COPIES OF ALL DISPOSAL PERMITS FROM THE PERMITTED DISPOSAL FACILITY, ANALYTICAL RESULTS USED TO GAIN ACCEPTANCE OF THE CONTAMINATED MEDIA AND DISPOSAL RECEIPTS/DAILY WEIGH SLIPS. DAILY WEIGH SLIPS AMOUNTS SHALL BE CHECKED AGAINST INSPECTOR'S DAILY REPORTS. THE APPLICANT MUST USE AN OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY- APPROVED DISPOSAL FACILITY FOR DISPOSAL OF THE CONTAMINATED MEDIA. 9.FOUNDATION STABILIZATION MAY BE NECESSARY AS PER CLEAN WATER SERVICES (CWS) STANDARDS 10.MAINTAIN MINIMUM OF 36" OF COVER OVER ALL PIPE IN UNPAVED EASEMENT AREAS. 11.THE CONTRACTOR SHALL INSTALL MARKER BALLS ON ALL SANITARY SEWER MAINLINE PIPE AND LATERALS. 12.MARK ENDS OF ALL STUB OUTS AND LATERALS W/CONTINOUS PRESSURE TREATED 2" X 4". TOP 12' TO BE PAINTED GREEN STENCILED BLACK "SS" FOR SANITARY AND WITH PIPE SIZE, MATERIAL TYPE, AND PIPE DEPTH. BURY 2" X 4" TO I.E. OF STUB OR LATERAL. 13.CITY OF TIGARD MAINTENANCE OF HOUSE BRANCHES END AT THE CURB LINE IN RIGHT-OF-WAY AND AT THE END OF THE TEE IN EASEMENTS. 14.INSTALL LATERAL CURB MARKERS ON ALL NEW LATERALS. 15.CITY OF TIGARD PLUMBING DIVISION APPROVALS AND PERMITS ARE REQUIRED FOR PRIVATELY MAINTAINED SEWER, INLETS, INLET LEADS & SERVICE LATERALS CONSTRUCTED OUTSIDE OF PUBLIC RIGHTS-OF-WAY OR SEWER EASEMENT. ALL WORK APPROVED UNDER PLUMBING PERMITS SHALL BE PRIVATELY OWNED AND MAINTAINED. 1.ALL SANITARY SEWERS WILL BE AIR TESTED AND SHALL BE SUBJECT TO TO OTHER TESTING REQUIREMENTS AS OUTLINED IN THE CLEAN WATER SERVICES (CWS). 2.SEWER SHALL BE VIDE INSPECTED (TV'D) AT THE SOLE EXPENSE OF THE APPLICANT/CONTRACTOR. 3.MANDREL TESTING IS REQUIRED ON ALL HDPE AND PVC PIPE. A 30-DAY WAITING PERIOD IS REQUIRED ON ALL MANDREL TESTING. 4.PRECONSTRUCTION MEETING REQUIRED. APPLICANT/CONTRACTOR TO CONTACT CLEAN WATER SERVICES (CWS) A MINIMUM OF 4 BUSINESS DAYS PRIOR TO COMMENCEMENT OF CONSTRUCTION TO SCHEDULE MEETING. FOLLOW INSTRUCTIONS ON "PERMIT ISSUANCE" EMAIL TO SCHEDULE A MEETING. GENERAL NOTES/SPECIFICATIONS UTILITIES BECHMARK: THE ELEVATIONS ARE BASED ON THE NAVD 88 VERTICAL DATUM FROM A STATIC GPS OBSERVATION AS COMPUTED BY OPUS. THE STATIC OBSERVATION WAS PERFORMED ON MARCH 3, 2018, BASED ON CONTROL FROM A SEPARATE SITE. 1 19 5 1 9 5 195 195 1 9 5 195 N 1 6 ° 0 1 ' 5 8 " E 3 2 . 2 6 ' S 8 9 ° 2 9 ' 1 7 " W 13. 9 0 ' N 1 4 ° 1 1 ' 2 7 " E CB DRI V E W A Y CUR B CON C R E T E S I D E W A L K 18" T R E E FH 22" T R E E TR 16" F I R 16" T R E E 18" T R E E 18" F I R CON C R E T E S I D E W A L K EXT R U D E D C U R B 22" T R E E 14" T R E E 6" T R E E HCS 18" T R E E ASP H A L T ASP H A L T CB CO N C R E T E MLP 36" C E D A R EXT R U D E D C U R B EXT R U D E D C U R B BOL BOL BOL BOL CB BOL CV CV 16" F I R CV( 2 ) FDC WAT E R V A U L T WM CV EXT R U D E D C U R B CO N C R E T E S I D E W A L K C O N C R E T E EXT R U D E D C U R B HC S EXT R U D E D C U R B TSB PLA N T E R CO N C R E T E G A T E TRA S H E N C L O S U R E SW G R E E N B U R G R O A D U U CO N C R E T E S I D E W A L K SD SD SD SD SD SD SD SD XSS XS S XSS XSS XSS XSS XS S XS S 1 5 7 . 1 6 L F 8 " D I S = 0 . 0 0 3 2 S 2 8 ° 3 3 ' 0 " E 77.3 7 L F ( E ) 8 " N R C P S = 0 . 0 0 2 8 S67 ° 1 3 ' 4 8 " W 68.08 L F 8 " D I S = 0 . 0 0 4 4 N68° 1 8 ' 0 " E 49 . 8 3 L F 8 " ( E ) N R C P S = 0 . 0 0 4 2 S2 1 ° 4 8 ' 3 6 " W s s s s s s ss ss ss (E)SS MH SS35B021 RIM ELE = 194.70 (N)MH - 3 RIM ELE = 195.04 (N)MH-4 RIM ELE = 195.49 (E)MH-1 TO BE REMOVED SS35B042 RIM ELE = 195.1 (E)SS MH SS35B025 RIM ELE = 194.70 (E)MH-2 SS35B043 RIM ELE = 193.44 SUBJECT PARCEL 10350 SW GREENBURG RD R1224776 16 8 10 11 6 7 8 5 18 15 21 23 23 20 24 19 25 25 26 T NOPAR K I N G EVCHA R G I N G ONL Y EVCH A R G I N G ONL Y EVCHA R G I N G ONL Y PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PV C PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PVC PV C PV C PV C PV C PVC PV C PV C PV C PVC PVC PVC PVC PVC PVC PVC PVC (N) ST R I P I N G @ E V P A R K I N G (N) SLU R R Y S E A L O V E R ( E ) A . C . P A V I N G MAI N L I N E U N D E R G R O U N D CO N D U I T / B O R I N G R U N 1 6 0 ' V . I . F . 27 28 30 31 27 32 4 33 34 29 (N)A.C. APPROX. 7' X 7' TYP. 14 9 19 12 3 26' 6.5" 3" PVC SCH. 40 + 26' 6.5" 3 4" PVC SCH. 40 190 . 5 4 L F 1 " P V C 174 . 2 6 L F 1 " P V C HC S HCS HCS PVC PVC PVC PVC 13 13 17 19'-212" (E)GREASE INTERCEPTOR (N ) SE W E R L A T E R A L F R O M GR E A S E I N T E R C E P T O R STORM MANHOLE (E)STORM LINE EVCHA R G I N G ONL Y NOPAR K I N G 89° 22 2 1 SEWER LINE EXTENSION - PLAN SCALE: 1" = 10' 40 0 4020 80 160 APPROVAL: CLEAN WATER SERVICES CITY OF TIGARD/ PW1.1 MF TIGARD 10350 SW GREENBURG RD TIGARD, OR 97223 NOTES: 1.TREE PROTECTION SHALL BE A MINIMUM OF 5'-0" HIGH METAL FENCE PER SECTION 10, PART 1, M OF URBAN FORESTRY STANDARDS. 2.TREE PROTECTION FENCING SHALL BE ERECTED OUTSIDE THE DRIP LINE ZONE PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION ACTIVITY. CONTRACTOR TO MAINTAIN TREE PROTECTION IN PLACE DURING CONSTRUCTION. KEYNOTES 1.N/A 2.B-10 DROP BOWL 3.(E) L2 & DCFC EQUIPMENT IN THIS AREA SHALL BE DEMOLISHED U.O.N. 4.(E) CONCRETE CURB TO REMAIN 5.EXISTING STORM WATER 6.EXISTING TRANSFORMER ON CONCRETE PAD 7.EXISTING SANITARY SEWER LINE TO STOP @ THE PROPOSED MANHOLE 8.PROPOSED 48" Ø PRECAST CONCRETE MANHOLE. SEE DETAILS ON PW2.0. 9.DEMOLISH (E) CONCRETE CURB 10.ABANDON (E) 8" PVC IN PLACE. PLUG ENDS OF PIPE. 11.(E) CATCH BASIN TO REMAIN. PROTECT CATCH BASIN DURING CONSTRUCTION PER EROSION CONTROL PLAN. 12.(E) BOLLARD SHALL REMAIN IN PLACE 13.15' WIDE PUBLIC SEWER EASEMENT TO CITY OF TIGARD CENTERED ON PIPE. 14.EXTENT OF (N) A.C. PAVING AS REQD. SLOPE MAY NOT EXCEED 2% IN ANY DIRECTION 15.TREE PROTECTION FENCING 16.EXISTING METAL LIGHT POLE 17.EXISTING 15' WIDE SANITARY SEWER EASEMENT 18.EXISTING LARGE TREES NEED TREE PROTECTION, SEE DETAIL 2 19.INSTALL (N) POST MOUNTED EV CHARGING STATION SIGNAGE 20.(N) FAST CHARGER OVER CONCRETE PAD - REFER TO ELECT. DRAWINGS 21.(N) LEVEL-2 DUAL CORD EV CHARGER CHANGING STATION OVER CONCRETE PAD - REFER TO ELECTRICAL DRAWINGS 22.(N) CONCRETE PAD FOR (N) SERVICE EQUIPMENT - REFER TO ELECTRICAL DRAWINGS 23.INSTALL (N) 6" CONCRETE CURB TO MATCH EXISTING 24.PATCH & REPAIR (E) SURFACE TO MATCH WITH ADJACENT EXISTING WHERE A (N) ELECTRICAL CONDUIT HAS BEEN INSTALLED - REFER TO ELECTRICAL DRAWINGS 25.(N) STEEL BOLLARD WITH CONCRETE FILL, PAINTED 26.(N) CONCRETE PAD FOR (N) SERVICE EQUIPMENT - REFER TO ELECTRICAL DRAWINGS 27.(N) 4" WIDE WHITE BORDERLINE PAINTED PARKING STATION 28.DEMOLISH (E) SURFACE MATERIAL FOR THE INSTALLATION OF (N) UNDERGROUND ELECTRICAL CONDUIT - REFER TO ELECTRICAL DRAWINGS 29.GENERAL PATH OF BORING; MINIMIZE PAVEMENT OPENINGS. 30.(N) ELECTRICAL PANEL OVER CONCRETE PAD - REFER TO ELECTRICAL DRAWINGS 31.(N) TRANSFORMER OVER 8'x8' CONCRETE PAD - REFER TO ELECT. DRAWINGS 32.(N) ELECTRICAL PANEL OVER CONCRETE PAD - REFER TO ELECTRICAL DRAWINGS 33.BORE INSTALL CONDUITS WHERE EXISTING SOIL CONDITIONS PERMIT 34.SEE SINGLE LINE DIAGRAM DRAWING FOR EQUIPMENT CONNECTION AND FOR CONDUIT ROUTING AT SITE AND TO AVOID ANY EXISTING UNDERGROUND UTILITY DUCT BANK AND LIGHTING CONDUITS, ETC... FIELD COORDINATE WITH THE PROJECTS SITE'S REPRESENTATIVE PRIOR TO CONSTRUCTION. MANHOLE SCHEDULE # (E)MH-1 (E)MH-2 (E)SS MH (E)SS MH (N)MH-3 (N)MH-4 MANHOLE ID SS35B042 SS35B043 SS35B021 SS35B025 TO BE ASSIGNED BY CITY OF TIGARD/ CLEAN WATER SERVICES TO BE ASSIGNED BY CITY OF TIGARD/ CLEAN WATER SERVICES RIM ELE 195.10 193.44 194.7 194.7 195.04 195.49 IE (UPSTREAM) 179.9 179.43 181 181.7 180.4 180.0 IE (DOWNSTREAM) 179.7 - 180.7 179.7 180.3 179.9 N EL E V A T I O N ( F T ) EXISTING SS MH (48" Ø) MANHOLE TYPE: STANDARD MANHOLE MANHOLE ID: SS35B021 STATION: 2+21.26 RIM EL = 194.7' 6" Ø OUT IE (E)= 181' (UPSTREAM) 8" Ø IN IE (W)= 180.7' (DOWNSTREAM) STREET GRADE EXISTING 8"Ø PUBLIC SANITARY SEWER ON GREENBURG RD 77.37 LF (E) 8" NRCP S= 0.0028 S67° 13' 48" W EL E V A T I O N ( F T ) EXISTING MH-1 (48" Ø) TO BE REMOVED MANHOLE TYPE: STANDARD MANHOLE MANHOLE ID: SS35B042 STATION: 4+36.23 RIM EL = 195.1' UPSTREAM IE = 179.9' DOWNSTREAM IE = 179.7' PROPOSED MH-3 (48" Ø) MANHOLE TYPE: STANDARD MANHOLE MANHOLE ID: TO BE ASSIGNED BY CITY OF TIGARD/ CLEAN WATER SERVICES STATION: 3+2.64 RIM EL = BASED ON GRADING AROUND THERE 8" Ø IE = 180.4' (UPSTREAM) 8" Ø IE = 180.3' (DOWNSTREAM) SANITARY SEWER LINE PROFILE - 1 (EXISTING SS MH TO PROPOSED MH-3 TO EXISTING MH-1) EL E V A T I O N ( F T ) EL E V A T I O N ( F T ) SANITARY SEWER LINE PROFILE - 2 (PROPOSED MH-3 TO PROPOSED MH-4) PROPOSED MH-4 (48" Ø) MANHOLE TYPE: STANDARD MANHOLE MANHOLE ID: TO BE ASSIGNED BY CITY OF TIGARD/ CLEAN WATER SERVICES STATION: 3+74.71 8" Ø IE = 180.0' (UPSTREAM) 8" Ø IE = 179.9' (DOWNSTREAM) STREET GRADE EL E V A T I O N ( F T ) EL E V A T I O N ( F T ) SANITARY SEWER LINE PROFILE - 3 (PROPOSED MH-4 TO EXISTING MH-2) PROPOSED MH-4 (48" Ø) MANHOLE TYPE: STANDARD MANHOLE MANHOLE ID: TO BE ASSIGNED BY CITY OF TIGARD/ CLEAN WATER SERVICES STATION: 3+74.71 8" Ø IE = 180.0' (UPSTREAM) 8" Ø IE = 179.9' (DOWNSTREAM) 68.08 LF (N) 8" DUCTILE IRON S= 0.0044 N68° 18' 0" E 157.16 LF (N) 8" DUCTILE IRON S= 0.0032 S28° 33' 0" E STREET GRADE EXISTING MH-2 MANHOLE TYPE: STANDARD MANHOLE MANHOLE ID: SS35B043 STATION: 5+34.14 RIM EL = 193.44 IE = 179.4' (UPSTREAM) PLUG & CAP ABANDONED SEWER LINE 129.59 LF (E) 8" NRCP S= 0.0028 TO BE ABANDONED S67° 13' 48" W PLUG & CAP ABANDONED SEWER LINE MH - 3 MH - 4 MH - 4 MH - 3 PROPOSED MH-3 (48" Ø) MANHOLE TYPE: STANDARD MANHOLE MANHOLE ID: TO BE ASSIGNED BY CITY OF TIGARD/ CLEAN WATER SERVICES STATION: 3+2.64 RIM EL = BASED ON GRADING AROUND THERE 8" Ø IE = 180.4' (UPSTREAM) 8" Ø IE = 180.3' (DOWNSTREAM) DROP BOWL E X I S T I N G 8 " N R C P I . E . ( I N ) = 1 8 0 . 4 ' PR O P O S E D 8 " D I I.E . (O U T ) = 1 8 0 . 3 ' 134° PROP O S E D 8 " D I I.E.(IN) = 1 8 0 . 0 ' P R O P O S E D 8 " D I I . E . ( O U T ) = 1 7 9 . 9 ' 95° A A12.57' (CIRCUMFERENCE) 4'8'12' PROPOSED 8" Ø DI OUT PROPOSED 8"Ø DI IN 3'-33 4" PROPOSED 8"Ø DI IN A A12.57' (CIRCUMFERENCE) 4'8'12' PROPOSED 8" Ø DI OUT EXISTING 8"Ø NRCP IN 4'-8" EXISTING 8"Ø NRCP IN 1 SANITARY SEWER LINE - PROFILE SCALE: 1" = 10'H 1" = 5'V APPROVAL: CLEAN WATER SERVICES CITY OF TIGARD/ PW1.2 MF TIGARD 10350 SW GREENBURG RD TIGARD, OR 97223 2 PLAN VIEW OF (N) MH-3 SCALE: 1" = 5'3 PLAN VIEW OF (N) MH-4 SCALE: 1" = 5' 4 ELEVATION VIEW OF (N) MH-3 SCALE: 1" = 5'5 ELEVATION VIEW OF (N) MH-4 SCALE: 1" = 5' 1.NEW CONNECTIONS MUST BE MANUFACTURED TEE, NOT INSERTA TEE. 2.CITY OF TIGARD DOES NOT ALLOW BELLIES IN SANITARY MAIN GREATER THAN 14". SANITARY LINES WILL HAVE TO BE JET CLEANED, TV'D, MANDRELLED, PRESSURE TESTED AND MH LIDS VACUUM TESTED BEFORE CONDITIONAL ACCEPTANCE. THEY WILL HAVE TO BE JET CLEANED AND TV'D FOR FINAL ACCEPTANCE AFTER 2 YEAR MAINTENANCE PERIOD. NOTES 195 19 5 19 5 19 5 195 19 5 N 16°01'58" E 32.26' S 8 9 ° 2 9 ' 1 7 " W 13 . 9 0 ' N 14°11'27" E CB DRIVEWAYCURB CONCRETE SIDEWALK 18 " T R E E FH 22 " T R E E TR 16" FIR 16 " T R E E 18 " T R E E 18 " F I R CO N C R E T E S I D E W A L K EXTRUDED CURB 22 " T R E E 14 " T R E E 6" TREE HC S HC S 18 " T R E E AS P H A L T AS P H A L T CB CO N C R E T E ML P 36 " C E D A R EX T R U D E D C U R B EX T R U D E D C U R B BO L BO L BO L BO L CB BO L CV CV 16 " F I R CV ( 2 ) FD C WA T E R V A U L T WM CV EXTRUDED CURB CO N C R E T E S I D E W A L K CO N C R E T E EX T R U D E D C U R B HC S EX T R U D E D C U R B TS B PL A N T E R CO N C R E T E GA T E TR A S H E N C L O S U R E SW GREENBURG ROAD U U CONCRETE SIDEWALK SD SD SD SD SDSD SD SD XSS XSS XSS XSS XSS XSS XSS XSS X S S X S S XSS XSS XSS (E)SS MH SS35B021 RIM ELE = 191.10 (N)MH - 3 RIM ELE = 195.04 (E)MH-1 TO BE REMOVED SS35B042 RIM ELE = 191.29 (N)MH-4 RIM ELE = 195.49 SUBJECT PARCEL 10350 SW GREENBURG RD R1224776 (E)MH-2 SS35B043 RIM ELE = 190.91 49.83 LF 8 " ( E ) N R C P S = 0 . 0 0 4 2 S00° 15' 3 5 " E PROTECT CATCH BASIN W/FILTER BAGS EC ss ss ss ss ss (E)SS MH SS35B025 RIM ELE = 191.16 CONSTRUCTION ENTRANCE TIRE WA S H CONSTRUCTION FENCE HC S HC S HC S NOTES: 1.WHEN RAINFALL AND RUNOFF OCCURS, A KNOWLEDGEABLE AND EXPERIENCED PERSON IN THE PRINCIPLES, PRACTICES, INSTALLATION, AND MAINTENANCE OF EROSION AND SEDIMENT CONTROLS WHO WORKS FOR THE PERMITTEE MUST PROVIDE DAILY INSPECTIONS OF THE EROSION AND SEDIMENT CONTROLS AND DISCHARGE OUTFALLS. 2.CONSTRUCTION ACTIVITIES MUST AVOID OR MINIMIZE EXCAVATION AND CREATION OF BARE GROUND FROM OCTOBER 1 THROUGH MAY 31ST EACH YEAR. 3.DURING WET WEATHER PERIOD, TEMPORARY STABILIZATION OF THE SITE MUST OCCUR AT THE END OF EACH WORK DAY. 4.SEDIMENT CONTROLS MUST BE INSTALLED AND MAINTAINED ON ALL DOWN GRADIENT SIDES OF THE CONSTRUCTION SITE AT ALL TIMES DURING CONSTRUCTION. THEY MUST REMAIN IN PLACE UNTIL PERMANENT VEGETATION OR OTHER PERMANENT COVERING OF EXPOSED SOIL IS ESTABLISHED. 5.ALL ACTIVE INLETS MUST HAVE SEDIMENT CONTROLS INSTALLED AND MAINTAINED AT ALL TIMES DURING CONSTRUCTION. 6.SIGNIFICANT AMOUNTS OF SEDIMENT THAT LEAVES THE SITE MUST BE CLEANED UP WITHIN 24 HOURS AND PLACED BACK ON THE SITE AND STABILIZED OR PROPERLY DISPOSED. THE CAUSE OF THE SEDIMENT RELEASE MUST BE FOUND AND PREVENTED FROM CAUSING A RECURRENCE OF THE DISCHARGE WITHIN THE SAME 24 HOURS. ANY IN-STREAM CLEAN UP OF SEDIMENT SHALL BE PREFORMED ACCORDING TO THE OREGON DEPARTMENT OF STATE LANDS REQUIRED TIME FRAME. 7.SEDIMENT MUST NOT BE INTENTIONALLY WASHED INTO STORM SEWERS, DRAINAGE WAYS, OR WATER BODIES. 8.SEDIMENT MUST BE REMOVED FROM BEHIND ALL SEDIMENT CONTROL MEASURES WHEN IT HAS REACHED A HEIGHT OF 1/3-RD THE BARRIER HEIGHT AND PRIOR TO THE CONTROL MEASURES REMOVAL. 9.CLEANING OF ALL STRUCTURES WITH SUMPS MUST OCCUR WHEN THE SEDIMENT RETENTION CAPACITY HAS BEEN REDUCED BY 50% AND AT COMPLETION OF PROJECT. 10.ANY USE OF TOXIC OR OTHER HAZARDOUS MATERIALS MUST INCLUDE PROPER STORAGE, APPLICATION, AND DISPOSAL. 11.THE PERMITTEE MUST PROPERLY MANAGE HAZARDOUS WASTES, USED OILS, CONTAMINATED SOILS, CONCRETE WASTE, SANITARY WASTE, LIQUID WASTE, OR OTHER TOXIC SUBSTANCES DISCOVERED OR GENERATED DURING CONSTRUCTION. 12.THE APPLICATION RATE OF FERTILIZERS USED TO REESTABLISH VEGETATION MUST FOLLOW MANUFACTURER'S RECOMMENDATIONS. NUTRIENT RELEASES FROM FERTILIZERS TO SURFACE WATERS MUST BE MINIMIZED. TIME RELEASE FERTILIZERS SHOULD BE USED AND CARE SHOULD BE MADE IN APPLICATION OF FERTILIZERS WITHIN ANY WATER WAY RIPARIAN ZONE. 13.OWNER OR DESIGNATED PERSON SHALL BE RESPONSIBLE FOR PROPER INSTALLATION AND MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL MEASURES, IN ACCORDANCE WITH CURRENT CLEAN WATER SERVICES STANDARDS AND STATE, AND FEDERAL REGULATIONS. 14.PRIOR TO ANY LAND DISTURBING ACTIVITIES, THE BOUNDARIES OF THE CLEARING LIMITS, VEGETATED BUFFERS, AND ANY SENSITIVE AREAS SHOWN ON THIS PLAN SHALL BE CLEARLY DELINEATED IN THE FIELD. UNLESS OTHERWISE APPROVED, NO DISTURBANCE IS PERMITTED BEYOND THE CLEARING LIMITS. THE OWNER/PERMITTEE MUST MAINTAIN THE DELINEATION FOR THE DURATION OF THE PROJECT. NOTE: VEGETATED CORRIDORS TO BE DELINEATED WITH ORANGE CONSTRUCTION FENCE OR APPROVED EQUAL. 15.PRIOR TO ANY LAND DISTURBING ACTIVITIES, THE BMPS THAT MUST BE INSTALLED ARE GRAVEL CONSTRUCTION ENTRANCE, PERIMETER SEDIMENT CONTROL, AND INLET PROTECTION. THESE BMPS MUST BE MAINTAINED FOR THE DURATION OF THE PROJECT. 16.IF VEGETATIVE SEED MIXES ARE SPECIFIED, SEEDING MUST TAKE PLACE NO LATER THAN SEPTEMBER 1ST; THE TYPE AND PERCENTAGES OF SEED IN THE MIX ARE AS IDENTIFIED ON THE PLANS OR AS SPECIFIED BY THE DESIGN ENGINEER. 17.WATERTIGHT TRUCKS MUST BE USED TO TRANSPORT SATURATED SOILS FROM THE CONSTRUCTION SITE. AN APPROVED EQUIVALENT IS TO DRAIN THE SOIL ON SITE AT A DESIGNATED LOCATION USING APPROPRIATE BMPS; SOIL MUST BE DRAINED SUFFICIENTLY FOR MINIMAL SPILLAGE. 18.ALL PUMPING OF SEDIMENT LADEN WATER MUST BE DISCHARGED OVER AN UNDISTURBED, PREFERABLY VEGETATED AREA, AND THROUGH A SEDIMENT CONTROL BMP (I.E. FILTER BAG). 19.THE ESC PLAN MUST BE KEPT ONSITE. ALL MEASURES SHOWN ON THE PLAN MUST BE INSTALLED PROPERLY TO ENSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER A SURFACE WATER SYSTEM, ROADWAY, OR OTHER PROPERTIES. 20.THE ESC MEASURES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE MEASURES SHALL BE UPGRADED AS NEEDED TO MAINTAIN COMPLIANCE WITH ALL REGULATIONS. 21.WRITTEN ESC LOGS ARE SUGGESTED TO BE MAINTAINED ONSITE AND AVAILABLE TO DISTRICT INSPECTORS UPON REQUEST. 22.IN AREAS SUBJECT TO WIND EROSION, APPROPRIATE BMPS MUST BE USED, WHICH MAY INCLUDE THE APPLICATION OF FINE WATER SPRAYING, PLASTIC SHEETING, MULCHING, OR OTHER APPROVED MEASURES. 23.ALL EXPOSED SOILS MUST BE COVERED, AT END OF BUSINESS DAY, DURING WET WEATHER PERIOD, FROM OCTOBER 1 - MAY 31. 1 EROSION CONTROL PLAN SCALE: 1" = 20' 40 0 4020 80 160 APPROVAL: CLEAN WATER SERVICES CITY OF TIGARD/ EC1 MF TIGARD 10350 SW GREENBURG RD TIGARD, OR 97223 5 APPROVAL: CLEAN WATER SERVICES CITY OF TIGARD/ EC2 MF TIGARD 10350 SW GREENBURG RD TIGARD, OR 97223