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EROSION AND SEDIMENT CONTROL NOTES: : ; . ' t, a ini r
THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROPER INSTALLATION AND MAINTENANCE OF ALL 11
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EROSION AND SEDIMENT CONTROL MEASURES, IN ACCORDANCE WITH LOC CHAPTER 52, STATE, AND € }f
FEDERAL REGULATIONS. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE INSTALLED, ii i
INSPECTED, AND MAINTAINED PER THE EROSION PREVENTION ANC SEDIMENT CONTROL PLANNING a =1
AND DESIGN MANUAL, DECEMBER 2000.
THE IMPLEMENTATION OF THESE ESC PLANS AND CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND 11
UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE CONTRACTOR UNTIL ALL 4
CONSTRUCTION IS COMPLETED AND APPROVED BY THE LOCAL JURISDICTION, AND m --------===N " r `._ K
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VEGETATION/LANDSCAPING IS ESTABLISHED. THE OWNER SHALL BE RESPONSIBLE FOR MAINTENANCE rvry•Mry ri Mw M .ry -i.,ry..Aw �y r��r
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AFTER THE PROJECT IS APPROVED UNTIL VEGETATION/LANDSCAPING IS ESTABLISHED, ��,.iy.•,� n .�;,iy..a�,yy
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THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED IN CONJUNCTION WITH ALL ""'ry'""
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CLEARING AND GRADING ACTIVITIES, AND IN SUCH A MANNER AS TO INSURE THAT SEDIMENT AND "---,w,:;; ,i
SEDIMENT LADEN WATER DOES NOT ENTER THE DRAINAGE SYSTEM, ROADWAYS, OR VIOLATE "i'`"`
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APPLICABLE WATER STANDARDS.
THE ESC FACILITIES SHOWN ON THIS PLAN ARE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE ___ -- --4MIMMIONIIIIM
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CONDITIONS, DURING CONSTRUCTION PERIOD, THESE ESC FACILITIES SHALL BE UPGRADED AS I ,
NEEDED FOR UNEXPECTED STORM EVENTS AND TO ENSURE THAT SEDIMENT AND SEDIMENT-LADEN `%
WATER DOES NOT LEAVE THE SITE. I INSTALL SEDIMENT CONTROL FENCE ''
DURING ACTIVE CONSTRUCTION, ESC MEASURES SHALL BE INSPECTED AND MAINTAINED DAILY BY AN I N
EROSION CONTROL PLAN MANAGER (SPECIFICALLY DESIGNATED BY THE CONTRACTOR) AND wwn,...r,. ,� ,a �" :,-- ..• •.. w w ,, .N ry n �,
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MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED EFFECTIVENESS. ESC MEASURES WILL ti I " "' "' - w.: wr µi Y .A.
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INSPECTED EVERY 2 WEEKS OR 24 HOURS FOLLOWING A RAIN EVENT OF 0.5 INCHES OR ir�y \ 111..., M �,
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GREATER, DURING INACTIVE PERIODS. THE EPCM SHALL INSPECT ALL EROSION AND SEDIMENT \ ...n.... .w.w.a...r ,,.. ��,
CONTROLS AND COMPLETE AN INSPECTION LOG AND MONITORING FORM AFTER EACH INSPECTION, k 1 \ I `" � y,--------- c:<;1;6C C. C� ._... .... ".rv..., Ky � ' "` =, ,,,+ t
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AT NO TIME SHALL SEDIMENT BE ALLOWED TO ACCUMULATE MORE THAN 1/3 THE BARRIER HEIGHT. 2 1111 I .
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STABILIZED GRAVEL ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND ! " "
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MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES MAY BE REQUIRED TO $$ i __ .... 4
INSURE THAT ALL PAVED AREAS ARE KEPT CLEAN FOR THE DURATION OF THE PROJECT.. 1 L C CD C O -I I +,r / '�
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STORM DRAIN INLETS, BASINS, AND AREA DRAINS SHALL BE PROTECTED UNTIL PAVEMENT SURFACES M r ':~" 1 1 11 drib.1► ► ,L ( I r, j
ARE COMPLETED AND/OR VEGETATION IS RE-ESTABLISHED. INLET PROTECTION MEASURES SHALL �.----- —----� I 11 I I /
BE IN PLACE DURING SAW CUTTING ACTIVITIES. I II REMOVE EXISTING of / .3 s
CURB AND PAVING
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ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING ;
I I INSTALL CONSTRUCTION TEMPORARY I r
OPERATIONS SHALL NOT FLUSH SEDIMENT—LADEN WATER INTO THE STORM WATER MANAGEMENT �. ;' j rrr '
SYSTEM. 1 ',II ENTRANCE 11 / �'
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PAVEMENT SURFACES AND VEGETATION ARE TO BE PLACED AS RAPIDLY AS POSSIBLE. _ ,,�, _ _ _i / r t
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SEEDING SHALL BE PERFORMED NO LATER THAN SEPTEMBER 1ST FOR EACH PHASE OF I INSTALL SEDIMENT I I ,
CONSTRUCTION. 1
CONTROL FENCE I I s /
PUBLIC STREETS WILL BE SWEPT DAILY, IF NECESSARY, TO ALLEVIATE SEDIMENT DISCHARGE TO THEi 11
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STORM WATER MANAGEMENT SYSTEM. UNFILTERED WASH WATER CANNOT BE DISCHARGED TO ,�,itiy.
STORM DRAINS. ,
IREMOVE EXISTING ‘` , f t} r ;1? :' Ff,
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TEMPORARY GRASS COVER MEASURES MUST BE FULLY ESTABLISHED BY OCTOBER 1ST, FROM I '� = i 1 / i ,i.
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OCTOBER 1ST THROUGH APRIL 30TH, THE WET WEATHER EROSION PREVENTION MEASURES WILL BE n / '�'J ----ri /; rt'
IN EFFECT FOR ANY EXPOSED SOIL OR SOILS NOT FULLY ESTABLISHED. SEE THE EROSION L\\� / �' _ � ''1/ '�• { r {. ,
PREVENTION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL (CHAPTER 4) FORrel ...t. „ , v��'"'� �”` T ? ;r" ?"
REQUIREMENTS. ALL STOCKPILED SEDIMENT WILL BE COVERED WITH PLASTIC SHEETING AND 4 ,,�. / / / / I f„� n :.,
ISOLATED WITH SILT FENCING OR CHECK DAM AT THE TOE OF SLOPE WHEN NOT IN USE. ALL ---.. '" �" '� I ---�----�--�-� - ----— ,l.-� F" �i
NEWLY EXPOSED SOILS WILL BE PROTECTED WITH AN ADEQUATE GROUND COVER AT THE END OFV / '`✓ / i
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CONSTRUCTION EACH DAY. (STRAW, MULCH, COMPOST, WOOD CHIPS, PLASTIC SHEETING, ETC. As / \ / I I I i ;
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CONSULT THE DETAIL SHEET IN THE PERMIT OR THE MANUAL FOR SPECIFICATIONS). a s / I 11 \ r ?"--- ,*
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THE CONTRACTOR SHALL NOT REMOVE ESC MEASURES UNTIL VEGETATION IS FULLY ESTABLISHED ++ / I -� "`'�- :' i '± f
AND INSPECTOR HAS APPROVED VEGETATION GROWTH. 4 -•-—`-- ---- l I '' '�47 / / .7 Ni �- I
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IN AREAS SUBJECT TO SURFACE AND AIR MOVEMENT OF DUST, WHERE ON-SITE OR OFF-SITE , ( \\ II IA
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DAMAGE IS LIKELY TO OCCUR, ONE OR MORE OF THE FOLLOWING PREVENTATIVE MEASURES SHALL / I I 1 ,
BE TAKEN FOR DUST CONTROL: ll / \ I
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THROUGHj
EXPOSURE a i' 1 I .`- \ l I
A. MINIMIZE THE PERIOD OF SOIL
THE USE OF TEMPORARY GROUND COVER AND OTHER ,, -- \ / I / I I W
TEMPORARY STABILIZATION PRACTICES. a '`" / 1 L.. ._ _..._. ..._ 1 -- •� r F LL
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B. THE SITE IS SPRINKLED WITH WATER UNTIL SURFACE �,.� � / � 1 E i LI J
IS WET REPEAT AS NEEDED TO PREVENT THE CARRY --
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OUT OF MUD ONTO STREET, REFER TO STABILIZED `~-�---'" :x°, I2 4 0° 440t,
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CONSTRUCTION ENTRANCE DETAILS. r
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REMOVE EXISTING _. REMOVE EXISTING :: D
/ 0 \-- CONCRETE POND �''�
C. SPRAY EXPOSED SOILS WITH A DUST PALLIATIVE. NOTE, BUILDIN'G AND C1 - KE IN 1 I O IYUSED OIL IS PROHIBITED AS A PALLIATIVE. ,r tl / FILLED WITH \ ` Ar DECK
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STOCKPILES THAT WILL BE EXPOSED FOR MORE THAN 14 DAYS SHALL BE PROTECTED WITH % I ✓ i -'' � h
PLASTIC SHEETING 014 WITH A TEMPORARY GROUND COVER USED IN CONJUNCTION WITH .,,! -' �'' ' `..a �-�--'� "' ' I PORTLAND, RECON
TEMPORARY/PERMANENT SEEDING, STOCKPILES THAT CONTAIN ONLY STRIPPINGS SHALL BE r \ \*.\ r9.7p4465
IMMEDIATELY COVERED WITH PLASTIC' SHEETING. SEDIMENT FENCES SHALL BE PLACED AT THE TOE /� 1 `�»
OF SLOPE OF ALL STOCKPILES. `""' / < --— REMOVE EXISTINGL REMOVE EXISTING 1€ F oVv.
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WET WEATHER EROSION CONTROL •
D". 7--''" \ \ �-.-. -� 1 `�► KASA
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ON OCTOBER 1ST OF EACH YEAR, IF THERE ARE EXPOSED SOILS, DISTURBED AREAS, OR GROUND �, ,... ,.x ar+ hitects, inc.
COVER VEGETATION NOT FULLY ESTABLISHED SUFFICIENT TO PREVENT EROSION, A SPECIFIC `� 1,„/ / 4 ' 1
PLAN SHALLAND EXPECTED SITE \ "�~ / 1
EROSION CONTROL BE PREPARED BASED ON THE EXISTING EX r � I ,/ ) \ bC7*'*:-
� �CONDITIONS USING THE WET WEATHER EROSION PREVENTION MEASURES (SEE EROSION PREVENTION I / 1 \\\\\ ,,/°'� r, a' 4119 NE Cesar E.Chavez Ave.
AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL CHAPTER 4 FOR REQUIREMENTS). FOR /% �, Portland,Oregon 97211
SURFACE WATER FACILITIES, FIBER MATTING SHALL BE INSTALLED IN ALL AREAS EXPOSED TO WATER ..-�..,.,,,,_,�_„ ,,,, /1,-(4.5 1.41‘�,..................,O_ __, ,_,.,,,,,,,,,_,.,,,_.,.,,,, . ,. .�..... ._..,. .�.. .... . ..,.,. _ ._....... ... »f 503.284.6917
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INUNDATION. FIBER MATTING SHALL EITHER BE SEEDED (PER THE DESIGN) OR PLACED PRIOR TO Xx` www,kasapdx,com
PLANTING OF PLUGS, CUTTINGS, REEDS, RUSHES, OR SHRUBS. ALL MEASURES AND
SPECIFICATIONS FOR MATERIALS USED SHALL BE PER PLAN OR AS SPECIFICALLY APPROVED BY THE ; .,.,.,-.,,.r...,.rr.,..,....
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ENGINEER AND CITY 'INSPECTOR. IF ANY ADDITIONAL AREAS BECOME EXPOSED, DISTURBED, OR Scwhindt
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STRIPPED OF VEGETATION BETWEEN OCTOBER 1ST AND APRIL 30TH, THE PLAN SHALL BE REVISED
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OR OTHERWISE EXPANDED PER THE STANDARDS AND AS DIRECTED BY THE ENGINEER AND THE :
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CITY INSPECTOR. PRIOR TO NOVEMBER 1ST OF EACH YEAR, WET WEATHER MEASURES SHALL BE 1. ...
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KALA Proj 1105
` V DURHAM RDOF
vi »,*.I"� �, «�. �.w , aw„��. .��.w Permit Set March 20,2012
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Conditionally ygeAeedpp rmi Number: it -27...
I ,,,, ,.:.. ,�y Site Plan WI
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_ , ` Date* IA I_ Erosion Control
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Slee Demo Plan/Erosion Control O Ir 51 ice
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copyright RASA Architects,Inc.2012