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— _ ATE STREET - TRACT "B� HABITAT AREA - -_ _ • SW 133RD 'AVENUE ' - �� / �;
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A �b®may 9 I, MORGAN HOLEN, ATTEST THAT THIS TREE PRESERVATION
(,� �-+ q.+ ` � 1IP ANN
0, PARTO1 AL OFPLAN
THE CITY OF TIGARD REQUIREMENTS
FORES RY MANUAL
,,.-) TPF-7 TO 8- CUT �3liPaois-oo 3114r�ff�jS� t
HOLEN
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iSA CER
/33sp w taRt-/Ju► 4T: ISA CER FlED AREGRIST PN-6t45A
DATE:November 25,NIA
0 TREE TO BE SAVED
T(CARD T R=- GROVE (STAND 1 ) = 4 ,859 SF
CITY of TIGARD
N
x TREE �ROTEC T IO\ FENCE (PER CITY STAN DARDS) A roved by Iariiin
Date: bc-/ --%5-
Initials:[itials: ',J ,11111.,,II Ii:ICC „,,,,, I.I1
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REVISIONS
REFERENCE INFORMATION.
DESIGN
SCALE
WLMC HMC Harris-McMonagle WALNUT
�/d / A ///T /Tl0f DESIGN
1 ORAFT'� Y V T f L/Vl�/ 1� DRAWING NAME
13320 SWWALNUTUT STREET DB Since Associates, Inc. DWG NAME
,� CHECKED
1968 ENGINEERING-SURVEYING-PLANNING SHEET
s ( WLMc 12555 5W Ha//Blvd Tigard, Oregon 97223 TREE PRESERVATION 2
DATE Tel(503)639-3453 Fax(503)639-1232 AND REMOVAL SITE PLAN8
. REV. DESCRIPTION TORN. DATE
F24-14, OF
GRADING. STREET AND UTIUTY EROSION AND SEDIMENT CONSTRUCTION NOTES: 7. AREAS SUBJECT TO WIND EROSION SHALL USE APPROPRIATE DUST CONTROL MEASURES INCLUDING THE APPLICATION EROSION AND SEDIMENT CONTROL BMP IMPLEMENTATION: Z
Sdiii OF A FINE SPRAY OF WATER,PLASTIC SHEETING,STRAW MULCHING,OR OTHER APPROVED MEASURES. 0
1. SEED USED FOR TEMPORARY OR PERMANENT SEEDING SHALL BE COMPOSED OF ONE OF THE FOLLOWING MIXTURES, B. CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE 1 ALL BASE ESC MEASURES(INLET PROTECTION.PERIMETER SEDIMENT CONTROL,GRAVEL CONSTRUCTION ENTRANCES, C7
UNLESS OTHERWISE AUTHORIZED: ETC.)MUST BE IN PLACE,FUNCTIONAL AND APPROVED IN AN INITIAL INSPECTION,PRIOR TO COMMENCEMENT OF SMP LEGEND O
DURATION OF THE PROJECT.ADDITIONAL MEASURES INCLUDING,BUT NOT UNITED TO,TIRE WASHES,STREET W
A VEGETATED CORRIDOR AREAS REQUIRE NATIVE SEED MIXES. SWEEPING,AND VACUUMING MAY BE BE REQUIRED TO INSURE THAT ALL PAVED AREAS ARE KEPI CLEAN FOR THE CONSTRUCTION ACTIVITIES. a))
R.T. SEE RESTORATION PLAN FOR APPROPRIATE SEED MIXre
B.DWARF GRASS MIX(MIN.100 LB./AC.) DURATION W THE PROJECT. SEDIMENT FENCE Z O O 0
1 2. 'STOCK PILE AREA I'SHALL BE MOVED TO'STOCK PILE AREA 2'FOLLOWING THE EXCAVATION CUT ACTIVITIES. 0
I.DWARF PERENNIAL RYEGRASS(50%BY WEIGHT) W U' O r
2.CREEPING RED FESCUE(20%BY WEIGHT) D. PROVE INLTIONTS TAO STORM WATER SYSTEMS SHALL BE PROTECTED THROUGH LHR USE OF APPROVED INLETAJ3. THE'STAGING,EQUIPMENT MAINTENANCE.FUEUNG,PORTA-POTTY,AND SCUD WASTE AREA I'SHALL BE MOVED TO STOCKPILE AREA RH PLAS11NC U� O U �"
PROTECTION MEASURES ALL INLET PROTECTION MEASURES ARE TO BE REGULARLY INSPECTED AND MAINTAINED'AS � � (W 0 '
C.STANDARD HEIGHT GRASS MIX(MIN.1COLB./AC.) NEEDED. 'STAGING.EQUIPMENT MAINTENANCE.FUELING,PORTA-POTTY,AND SOUD WASTE AREA 2'FOLLOWING EXCAVATION IXY/ i� SHEETING.AS NECESSARYI - > r '
I.ANNUAL RYEGRASS(40%BY WEOHT) 'CUT'ACTIVITIES. - - I-
a Z
2.TURF-TYPE FESCUE(60%BY WEIGHT) 10. SATURATED MATERIALS THAT ARE HAULED OFF-SITE MUST BE TRANSPORTED IN WATER-TIGHT TRUCKS TO ELIMINATE �/////" CONSTRUCTION STAGING m O O
SPILLAGE OF SEDIMENT AND SEDIMENT-LADEN WATER. 4. ALL'SEDIMENT BARRIERS(TO BE INSTALLED AFTER GRADING)'SHALL BE INSTALLED IMMEDIATELY FOLLOWING I- 0
2. SLOPE TO RECEIVE TEMPORARY OR PERMANENT SEEDING SHALL HAVE THE SURFACE ROUGHENED BY MEANS OF ESTABUSHMENT OF FINISHED GRADE AS SHOWN ON THESE PLANS. M J Cl)
TRACK-WALKING CR THE USE CF OTHER APPROVED IMPLEMENTS SURFACE ROUGHENING IMPROVES SEED BEDDING 11. AN AREA SHALL BE PROVIDED FOR THE WASHING OUT OF CONCRETE TRUCKS IN A LOCATION THAT DOES NOT __ _ GRAVEL CONSTRUCTION ENTRANCE Z U) X N ,
AND REDUCES RUN-OFF VELOCITY. PROVIDE RUN-OFF THAT CAN ENTER THE STORM WATER SYSTEM.IF THE CONCRETE WASH-OUT AREA CAN NOT BE i LONG TERM SLOPE STABIUZATTCN MEASURES'INCLUDING MATTING'SHALL BE IN PLACE OVER ALL EXPOSED SOILS - ---_- - ..i I- 4 n Z
CONSTRUCTED GREATER THAN 50'FROM ANY DISCHARGE PONT,SECONDARY MEASURES SUCH AS BERMS OR BY OCTOBER 1. 4 0 Q 0
3. LONG TERM SLOPE STABIUZATION MEASURES SHALL INCLUDE THE ESTABLISHMENT OF PERMANENT VEGETATIVE COVER TEMPORARY SETTLING PITS MAY BE REQUIRED.THE WASH-OUT SHALL BE LOCATED WITHIN SIX FEET OF TRUCK LIMITS OF CONSTRUCTION LL
VIA SEEDING WITH APPROVED MIX AND APPUCAOON RATE. ACCESS AND BE CLEANED WHEN IT REACHES 50%OF THE CAPACITY. 6. THE STORM WATER FACIUTY SHALL BE CONSTRUCTED AND LANDSCAPED PRIOR TO THE STORM WATER SYSTEM C
FUNCTIONING AND SITE PAVING. A., DIRECTION OF FLOW O 0 v Z
4. TEMPORARY SLOPE STABILIZATION MEASURES SHALL INCLUDE COVERING EXPOSED SOIL WITH PLASTIC SHEETING. 12. SWEEPINGS FROM EXPOSED AGGREGATE CONCRETE SHALL NOT BE TRANSFERRED TO THE STORM WATER SYSTEM. �Q] _
STRAW MULCHING,WOOD CHIPS,OR OTHER APPROVED MEASURES. SWEEPINGS SHALL BE PICKED UP AND DISPOSED IN THE TRASH. 7. INLET PROTECTION SHALL BE IN-PLACE IMMEDIATELY FOLLOWING PAVING AUNTIES. BIOPILTER BAGS SURROUNDING
5. STOCKPILED SOIL OR STRIPPINGS SHALL BE PLACED IN A STABLE LOCASON AND CONFIGURATION.DURING'WET 13. AVOID PAVING IN WET WEATHER WHEN PAVING CHEMICALS CM RUN-OFT INTO THE STORM WATER SYSTEM A SILTSACK-L VIED CATCH BASIN ~ Q
WEATHER'PERIODS,STOCKPILES SHALL BE COVERED WITH PLASTIC SHEETING OR STRAW MULCH.SEDIMENT FENCE IS ® CONCRETE WASH STATION
REQUIRED AROUND THE PERIMETER OF THE STOCKPILE. 14. USE BMPs SUCH AS CHECK-DAMS,BERMS,AND INLET PROTECTION TO PREVENT RUN-OFF FROM REACHING
DISCHARGE POINTS.
6. EXPOSED CUT OR FILL AREAS SHALL BE STABIUZED THROUGH THE USE OF TEMPORARY SEEDING AND MULCHING.
.5. COVER CATCH BASINS,MANHOLES,AND OTHER DISCHARGE POINTS WHEN APPLYING SEAL COAT.TACK COAT.ETC. -O-O-O- TREE PROTECTION,3'ORANGE FENCE Z
EROSION CONTROL BLANKETS OR MAMA MID-SLOPE RE SEDIMENT FENCES OC WATTLES.AR OTHER APPROPRIATE TO PREVENT INTRODUCING THESE MATERIALS TO THE STORM WATER SYSTEM.
MEASURES SLOPES EXCEEDING 25%MAY REWIRE ADDITIONAL EROSION CONTROL MEASURES. Z
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THESE EROSION AND SEDIMENT CONTROL PLANS ASSUME 'DRY POND NOTE: // �/ V)g '-i--;',I)" o
WEATHER" CONSTRUCTION. "WET WEATHER" CONSTRUCTION SEED BARE SOIL WITH 1. Q 2 7,...oi
MEASURES NEED TO BE APPLIED BETWEEN OCTOBER 1ST AND MAY RYE/FESCUE GRASS BLEND / / -;,•_!? Z� `� W h =
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