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Plans SIT2014 00015 O ALBERTA RIDER EROSION CONTROL C u- , RECENED PREPARE® FOR: O o JUL 31 201� � � w TIGARD TUALATIN SCHOOL DISTRICT PLANScliNGIET,rAED Ni;���rN"aINEEFii�,C-"i o`� o ESC PLAN - LESS THAN 1 ACRE RECEIVED LEGEND AUG 4 2014 CITYOFTIGARD EXISTING CHAIN LINK FENCE BUILDING DIVISION SW BULL MOUNTAIN RD I a'.. - PROPOSED SIDEWALK � . Lu Lu AX UI� CONSTRUCTION STAGING w c/) 0 ���0 O�O ; INLET PROTECTION cn Sp1 PROJECT SITE z it SW DURHAM RD Lui " � � CWS STANDARD EROSION CONTROL NOTES N 1. WHEN RAINFALL AND RUNOFF OCCURS DAILY INSPECTIONS OF THE EROSION AND SEDIMENT CONTROLS AND DISCHARGE J cn OUTFALLS MUST BE PROVIDED BY SOME ONE KNOWLEDGEABLE AND EXPERIENCED IN THE PRINCIPLES,PRACTICES, Q INSTALLATION,AND MAINTENANCE OF EROSION AND SEDIMENT CONTROLS WHO WORKS FOR THE PERMITTEE. 2. CONSTRUCTION ACTIVITIES MUST AVOID OR MINIMIZE EXCAVATION AND CREATION OF BARE GROUND FROM OCTOBER 1 U THROUGH MAY 31 EACH YEAR. UJ VICINITY MAP 3. DURING WET WEATHER PERIOD,TEMPORARY STABILIZATION OF THE SITE MUST OCCUR AT THE END OF EACH WORK DAY. LL 4. SEDIMENT CONTROLS MUST BE INSTALLED AND MAINTAINED ON ALL DOWN GRADIENT SIDES OF THE CONSTRUCTION SCALE:NTS `: SITE AT ALL TIMES DURING CONSTRUCTION.THEY MUST REMAIN IN PLACE UNTIL PERMANENT VEGETATION OR OTHER Cn PERMANENT COVERING OF EXPOSED SOIL IS ESTABLISHED. 1W 5. ALL ACTIVE INLETS MUST HAVE SEDIMENT CONTROLS INSTALLED AND MAINTAINED AT ALL TIMES DURING 0 ' CONSTRUCTION.UNLESS OTHERWISE APPROVED,A SURFACE MOUNTED AND ATTACHABLE,U-SHAPED FILTER BAG IS REQUIRED FOR ALL CURB INLET CATCH BASINS. 6. SIGNIFICANT AMOUNTS OF SEDIMENT WHICH LEAVES THE SITE MUST BE CLEANED UP WITHIN 24 HOURS AND PLACED SITE LOCATION - t 7 . BACK ON THE SITE AND STABILIZED OR PROPERLY DISPOSED. THE CAUSE OF THE SEDIMENT RELEASE MUST BE FOUND O AND PREVENTED FROM CAUSING A RECURRENCE OF THE DISCHARGE WITHIN THE SAME 24 HOURS.ANY IN-STREAM THE ALBERTA RIDER SIDEWALK IMPROVEMENT IS ON THE NW f � CLEAN UP OF SEDIMENT SHALL BE,PREFORMED ACCORDING TO THE OREGON DEPARTMENT OF STATE LANDS REQUIRED CORNER OF ALBERTA RIDER ELEMENTARY SCHOOL AT 14850 " TIME FRAME. �J SW 132ND TER,OFF OF SW BULL MOUNTAIN RD. r = .4 *= 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 MEASURE �.� S WHEN IT HAS REACHED A HEIGHT OF0 LU LOCATED IN SECTION 9,TOWNSHIP 2 SOUTH,RANGE 1 WEST, — '' i Y' F 113RD 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 I-- WILLAMETTE MERIDIAN,WASHINGTON COUNTY,OREGON " ---g-- REDUCED BY 50%AND AT COMPLETION OF PROJECT. �'�/ 10. ANY USE OF TOXIC OR OTHER HAZARDOUS MATERIALS MUST INCLUDE PROPER STORAGE,APPLICATION,AND DISPOSAL. z �•J— J Z . THE PERMITTEE MUST PROPERLY MANAGE HAZARDOUS WASTES USED OILS CONTAMINATED SOILS CONCRETE •. :, �� 11 WASTEUCTION Q O INSTALL INLET PROTECTION "` "" ' •"-_� '"' �`� '��" `� " SANITARY WASTE,LIQUID WASTE,OR OTHER TOXIC SUBSTANCES DISCOVERED OR GENERATED DURING CONSTR 12. THE APPLICATION RATE OF FERTILIZERS USED TO REESTABLISH VEGETATION MUST FOLLOW MANUFACTURER'S W VERTICAL DATUM RECOMMENDATIONS.NUTRIENT RELEASES FROM FERTILIZERS TO SURFACE WATERS MUST BE MINIMIZED. TIME z RELEASE FERTILIZERS SHOULD BE USED AND CARE SHOULD BE MADE IN APPLICATION OF FERTILIZERS WITHIN ANY WATER WAY RIPARIAN ZONE. BASIS OF ELEVATIONS WAS ASSUMED. NN 13. OWNER OR DESIGNATED PERSON SHALL BE RESPONSIBLE FOR PROPER INSTALLATION AND MAINTENANCE OF ALL O k EROSION AND SEDIMENT CONTROL MEASURES,IN ACCORDANCE WITH CURRENT CLEAN WATER SERVICES STANDARDS MMW I AND STATE,AND FEDERAL REGULATIONS. J (D Q II i LJ i NN 14. PRIOR TO ANY LAND DISTURBING ACTIVITIES,THE BOUNDARIES OF THE CLEARING LIMITS,VEGETATED BUFFERS,AND L.L. _ C 7 BASIS OF BEARINGS ` " ANY SENSITIVE AREAS SHOWN ON THIS PLAN SHALL BE CLEARLY DELINEATED IN THE FIELD.UNLESS OTHERWISE W I APPROVED,NO DISTURBANCE IS PERMITTED BEYOND THE CLEARING LIMITS.THE OWNERIPERMITTEE MUST MAINTAIN BASIS OF BEARINGS WAS ASSUMED. / THE DELINEATION FOR THE DURATION OF THE PROJECT.NOTE:VEGETATED CORRIDORS TO BE DELINEATED WITH m 1 STAGING AREA ORANGE CONSTRUCTION FENCE OR APPROVED EQUAL. j 15. PRIOR TO ANY LAND DISTURBING ACTIVITIES,THE BMPS THAT MUST BE INSTALLED ARE GRAVEL CONSTRUCTION _ ,. ���� � Y "" • ENTRANCE,PERIMETER SEDIMENT CONTROL,AND INLET PROTECTION.THESE BMPS MUST BE MAINTAINED FOR THE SITE EROSION CONTROL NOTES = " �- � DURATION of THE PROJECT. 16. IF VEGETATIVE SEED MIXES ARE SPECIFIED,SEEDING MUST TAKE PLACE NO LATER THAN SEPTEMBER 1ST;THE TYPE 1. NO OVERLAND STORMWATER RUNOFF IS EXPECTED TO AND PERCENTAGES OF SEED IN THE MIX ARE AS IDENTIFIED ON THE PLANS ORAS SPECIFIED BY THE DESIGN ENGINEER. DISCHARGE FROM CONSTRUCTION AREA.CONTRACTOR TO 17. WATER-TIGHT TRUCKS MUST BE USED TO TRANSPORT SATURATED SOILS FROM THE CONSTRUCTION SITE.AN APPROVED OBSERVE OVERLAND STORMWATER RUNOFF THROUGHOUT // ) EQUIVALENT IS TO DRAIN THE SOIL ON SITE AT A DESIGNATED LOCATION USING APPROPRIATE BMPS;SOIL MUST BE PROJECT.IF ANY SEDIMENT TRANSPORT IS OBSERVED DRAINED SUFFICIENTLY FOR MINIMAL SPILLAGE. CONTRACTOR TO INSTALL SEDIMENT FENCE AT LOCATION OF 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). o DISCHARGE FROM CONSTRUCTION AREA. 19. THE ESC PLAN MUST BE KEPT ONSITE.ALL MEASURES SHOWN ON THE PLAN MUST BE INSTALLED PROPERLY TO ENSURE a _ - I THAT SEDIMENT LADEN WATER DOES NOT ENTER A SURFACE WATER SYSTEM,ROADWAY,OR OTHER PROPERTIES. v 2. CONSTRUCTION ENTRANCE-CONTRACTOR TO INSTALL20. THE ESC MEASURES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. o CONSTRUCTION ENTRANCE AT THE EXISTING VEHICULAR ACCESS - i ,'. " DURING THECONSTRUCTIONPERI OD,THESE MEASURES SHALL BE UPGRADED AS NEEDED TO MAINTAIN COMPLIANCE GATES AS NEEDED.CONSTRUCTION ENTRANCE TO BE3 WITH ALL REGULATIONS. CONSTRUCTED PER CWS DETAIL DRAWING 855. x 21. WRITTEN ESC LOGS ARE SUGGESTED TO BE MAINTAINED ONSITE AND AVAILABLE TO DISTRICT INSPECTORS UPON a REQUEST. 3. CONCRETE TRUCK WASHOUT-CONTRACTOR TO COORDINATE L1J 22. IN AREAS SUBJECT TO WIND EROSION,APPROPRIATE BMPS MUST BE USED WHICH MAY INCLUDE THE APPLICATION OF U FINE WATER SPRAYING,PLASTIC SHEETING,MULCHING,OR OTHER APPROVED MEASURES. WITH ENGINEER OR SCHOOL DISTRICT STAFF AND DETERMINE 23. ALL EXPOSED SOILS MUST BE COVERED DURING WET WEATHER PERIOD. APPROPRIATE CONCRETE WASHOUT LOCATION.UPON � CITY OF TEGi CONSTRUCTION COMPLETION REMOVE CONCRETE WASHOUT CITY OFTIGARD ,rw, 'ng W � �.;��,oc„erJ by Plarr�l,.� MATERIAL AND RESTORE AREA TO EXISTING CONDITIONS. !— REVMV-ET FOR CODE CpMrL nN N� 9S Z � .ED PRO Apptwrd: GINE Z OTCs 683PFEF�9FS s e� Permit#: <r zoml'-o�O/� WC Address- S1�,Dz Z�c,e, G GREGON PROJECT TEAM Shite ; J9C D By: Datta; OWNER "' OREGON UTILITY AeNews:°bisoils TIGARD TUALATIN SCHOOL DISTRICT ALBERTA RIDER ELEMENTARY PARKING LOT NOTIFICATION CENTER ATTN:PHIL WENTZ Ilp� z DATE 107-07-2014 6960 SW SANDBURG ST 012 1-800-332-2344 TIGARD,OREGON 97223 O DRAWN I JDW PHONE:(503)431-4017 7� �91t �~� DESIGNED I JDW �FFIC CQPY %3 H <' s BF CHECKED I MCL ' ` " ����'�d�-T/� R PROJECT# 121407620 U CIVIL ENGINEER „ ����� � OREGON LAW REQUIRES YOU TO FOLLOW RULES ADOPTED BY THE OREGON UTILITY NOTIFICATION SHEET TITLE CARDNO i1 CENTER.THOSE RULES ARE SET FORTH IN OAR 952-001-0010 THROUGH OAR 952-001-0090.YOU MAY ATTN MATT LEWISFROMTHECALLINGYOUHAVE EROSION CONTROL '^ 5415 SW WESTGATE DRIVE,SUITE 100 SCALE.• 1'=20� YOU MAY CONTACT THE CENTER.YOUMUST NOTIFY THE CENTER AT v/ SHEET NUMBER OBTAIN COPIES OF THESE RULESANY PORTLAND,OREGON 97221 QUESTIONS ABOUT THE RULES,Y PHONE:(503)-419-2500 v, LEAST TWO BUSINESS DAYS,BEFORE COMMENCING AN EXCAVATION.CALL 503-246-6699. z FAX:(503)-419-2600 20 10 0 20 O EC U LAND USE# o ti Lu N ILL C z � o � � 4 L f/1 D F� LEGEND cr 0 a EXISTING CHAIN LINK FENCE Tl- ;r _ a< x PROPOSED SIDEWALK qp ..� � � CONSTRUCTION NOTES V _ e O CONSTRUCT 4FT WIDE ADA COMPLIANT CONCRETE SIDEWALK,ALIGNMENT TO BE VERIFIED + IN FIELD BY ENGINEER OR SCHOOL DISTRICT STAFF PRIOR TO CONSTRUCTION.ALIGNMENT L.LJ LL TO MINIMIZE GRADING IMPACTS TO THE EXTENT FEASIBLE.SEE STANDARD SIDEWALK r DETAIL THIS SHEET. co kA e� O MATCH NEW SIDEWALK INTO EXISTING CONCRETE LANDING. r n Q O3 REMOVE EXISTING CHAIN LINK FENCE AT ENTRANCE TO NEW SIDEWALK AND INSTALL 4FT �J A} WIDE CHAIN LINK GATE.NEW CHAIN LINK GATE TO MATCH EXISTING HEIGHT AND STYLE OF O + EXISTING CHAIN LINK FENCE. Q ��^� 4O EXISTING STAIRWAY, O < 2 EXISTING PEDESTRIAN RAMP. ry s EXISTING CHAIN LINK VEHICULAR ACCESS GATES. —� O7 PROTECT EXISTING TREE. a s 1 APPROX.143 LF ` a. '� uj y' LU• y - ' ujW d 1 z AM — (D— _ 6Mims- s m c -t y f � f 4 k ti x 4"OF 3/4"-0 p � EXISTING SIDEWALK' �—2%MAX. ROC p * Y { \ SEE NOTE 4 COMPACTED SUBGRADE ce I`> cle a o NOTES: r � 1. CONCRETE SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF 4000 PSI AT 28 DAYS, x SLUMP RANGE OF 1-1/2 TO 3'. a Al W O 2. CONTRACTION JOINTS AT SPACING NOT TO EXCEED 15 FEET. U � �a L G ER 3. EXPANSION JOINTS TO BE PLACED AT SIDES OF DRIVEWAY APPROACHING UTILITY 4t b L C j , ej VAULTS,WHEELCHAIR RAMPS OR LANDINGS,AND AT SPACING NOT TO EXCEED 45 FEET. w 4. SIDEWALK SHALL HAVE A MIN.THICKNESS OF 4 INCHES.uj v J Ep PROF {' 5 FINISH WITH BROOM AND EDGE ALL JOINTS li 683PE l STANDARD SIDEWALK DETAIL W �7 r— I NOT TOSCALE OREGON U) 21. r � A � „' RENEWS:O6/30/16 ALBERTA RIDER ELEMENTARY PARKING LOT z DATE 107-07-2014 �C DRAWN I JDW DESIGNED I JDW r CHECKED I MCL PROJECT# 121407620 - SHEET TITLE �— SITE PLAN - SCALE.' 1 =20' SHEET NUMBER 7 i 20 10 0 20 i U0 cl LAND USE#