HomeMy WebLinkAboutPlan, Tentative APPLICANT 12/24/2008
5 DOVES ESTATES
TENTATIVE .SUBDIVISION
TAX MAP 17-02.33~41, TAX LOT 1704
CITY OF SPRINGFIELD, LANE COUNTY, OREGON
OCTOBER, 2008
OWNER
N. 0 STREET
VERN BENSON
940 HWY 99 NORTH
EUGENE. OR 9740Z
N. 8 STREET
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ITJ TELEPHONE RISER
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-OHP- OVERHEAD POWER
T- UNDERGROUND TELEPHONE LINE
-UGP- UNDERGROUND POWER
-ww- WASTEWATER LINE
w- WA TER LINE
~ 3 PORT FIRE HYDRANT
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VICINITY MAP
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T.L. 1500
T.L. 1703
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. I ~ 14538 SF I : : I. <ID ~ I;,:
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fl IN=493.78
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fl OUT =492.38 WW _ flIN=492.58
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flIN=492.38 Of[ OUT=502.37
RIM = 505.22
fl OUT(W)=491.62
f[ IN(N)=494.27
IlIN(E)=491.62
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NOTES
Pacific Surveying, Inc.
A~
~35J)~1l
1) ZONING AND METRO PLAN DESIGNA nON: LDR
2) SITE IS NOT WITHIN THE FLOODWA Y.
3) ALL LOTS MEET SOLAR ACCESS STANDARDS WITH BASE ZONE DEVELOPMENT
MINIMUM SETBACK STANDARDS.
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4-
REGISTERED
PROFESSIONAL
L~N.9 ;>:RVEYOR ,
~~.,
OREGON
JULY 21, 1992
DAVID J. COLLIER
2552
4) CITY BENCHMARK USED: TACK IN LEAD. SE CORNER 58TH AND MAIN (#68).
EL=508.65. TOPOGRAPHY IS FLAT. SPOT ELEVATIONS ARE SHOWN.
5) NO PROPOSED CUT IFILL SLOPES.
6) NO PROPOSED STREET LIGHTS.
7) SITE IS SURROUNDED BY CHAINLlNK FENCE
75506 Blue Mountain School Rd Tel. (541)767-0790
Cottage .~ove, Oregon 97424 Fax (541)767-3087
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RENEWAL 12-31-09
SHEET 1 of 1
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4 2008
TAX MAP 17-02-33-41, TAX LOT 1704
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VICINITY MAP
NOT TO SCALE
5 DOVES ESTATES
TENTATIVE SUBDIVISION
~ T .I~[.
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DESIGN GROUP
land use planning + civil engineering
~ ~ lw~ ~~~ '::1 () t1
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150.00'
N90.00'00"W
-OHP -
WASHINGTON
425.252.2826 phone
425.252.9551 fax
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505.37
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505.33
EXISTING CONDITIONS LEGEND I
1721 Hewitt Avenue
Fourth Floor
Everett, WA 98201
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S WASTEWATER MANHOLE
SITE ADDRESS
5642 A STREET,
SPRINGFIELD, OR
TAX ACCOUNT NUMBERS
MAP NO. 17-02-33-41
TAX LOTS: 1704
D CURB INLET
OREGON
541.988.1862 phone
541.988.1863 fax
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~ WATER METER
!Ml MAILBOX
OWNER
PROJECT ENGINEER
HBA DESIGN GROUP, LLC.
C/O TODD POWEll, P.E.
P.O. BOX 508
WAL TER VI LLE, OR 97489-0508
T: (541) 988-1862
F: (541) 988-1863
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VERN BENSON
940 HWY 99N
EUGENE, OR 97402
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150 North 7th Street
Springfield, OR 97477
IT] TELEPHONE RISER
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PROJECT SURVEYOR
PACIFIC SURVEYING, INC.
75506 BLUE MOUNTAIN SCHOOL RD
COTTAGE GROVE, OR 97424
T: (541) 767-0790
F: (541) 767-3087
- OHP- OVERHEAD POWER
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CALL TWO BUSINESS
DAYS BEFORE YOU
DIG 1-800-332-2344
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RE=506.34
IE=492.38"'IN( S)
IE=492.58"'IN(E)
IE=493.78"'IN(NE)
IE=492.38"'OUT(W)
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PROJECT NOTES
EXISTING IMPERVIQUS AREA
EXISTING IMPERVIOUS AREA: 4,517 SF
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~ DATUM
-V BENCHMARK
1) SITE AREA - 0.64 ACRES
2) SPRINGFIELD ZONING - LOR
3) ZONING AND METRO PLAN DESIGNATION: LOR
4) SEE TITLE REPORT FOR LEGAL DESCRIPTION
CITY BENCHMARK USED: TACK IN LEAD, SE CORNER 58TH
AND MAIN (#68), EL=508.65. TOPOGRAPHY IS FLAT. SPOT
ELEVATIONS ARE SHOWN.
100-YR FLOODPLAIN & FLOODWAY BOUNDARIES
THE SITE IS NOT LOCATED WITHIN ANY 500- YR FLOODPLAIN OR FLOODWA Y
BOUNDARY FEMA ZONE X. FEMA MAP NUMBER: 41039C1166F
TIME OF TRAVEL ZONES
WELLHEAD PROTECTION ZONE: 20-99 YEAR TOTZ TO WEYERHAEUSER WELLS
TREE PRESERVATION
THERE ARE NO SIGNIFICANT TREES ON SITE.
SOIL TYPE & EXISTING VEGclATION
. SOIL TYPE - 32 COBURG - URBAN LAND COMPLEX PER SOILS STUDY OF LANE
COUNTY OREGON
WATER TABLE DEPTH - NO HIGH GWT LISTED FOR THE SOIL TYPE PER SOILS
STUDY OF LANE COUNTY OREGON
NO SIGNIFICANT VEGETATION EXISTS ON THE SUBJECT PROPERTY. THE EXISTING
PERVIOUS SURFACE IS COMPLETELY COVERED IN LAWN AND LANDSCAPING.
SHEET INDEX
COVER SHEET
SITE ASSESSMENT OF EX. CONDITIONS
ACCESS. STORM DRAINAGE, GRADING,
SEWER. WATER, AND TESC PLAN
TESC NOTES AND DETAILS
SHEET C1.0
SHEET C2.0
SHEET C2.1
JOB NO.
C1.0 ~
W
(t;
CI.V OF SPRINGFIELD 2008-
r::lLE (DP\) PRJi''2.DDg~DOO7b
5' c. r J r~E-5U)5(V\ I iTrtr.- fI,t., l::J
Jove G5'-~--eS ~'6DI \)i~tDtJ T~f\)l
5u):J.
2056-07
H,\PROJECT RLEW>CTWE'BEN56A\Ve~.t:::) C1.e;f;; ~4/2008 10,,,,,59 T ;t-Copyrl3: 2008 HSA Oos",o GrouP. u.c
TAX MAP 17-02~33-41, TAX LOT 1704
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505 37
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. PROPOSED CLUS'I t.t< '
MAILBOX UNIT PER
CITY ENCROACHMENT
PERMIT (CITY DWG
3-13)
~05.33 I \
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: --- EX. SPO~;U:VATlON (TYP)
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WASTEWATER CLEAN OUT TABLE
SIZE
RE
505.70
505.65
505.65
505.65
505.50
505.50
505.85
FL
500.45
500.55
500.55
500.55
501.15
501.15
501.50
CITY DWG
DWG 4-4
DWG 4-4
DWG 4-4
DWG 4-4
DWG 4-4
DWG 4-4
DWG 4-4
TYPE
PUBLIC
PRIVATE
PRIVATE
PRIVATE
PRIVATE
PRIVATE
PRIVATE
10
WWCO 1
WWCO 2
WWCO 3
WWCO 4
WWCO 5
WWCO 6
WWCO 7
30' ACCESS AND UTILITY EASEMENT-
19' CONCRETE WlDTH-
. 18' TRAVEL WIDTH
2%
DESIGN GROUP
6"
4"
4"
4"
4"
4"
4"
7' SWALE WlDTt I
3'
land use planning + civil engineering
LOT 3
4550 SF
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LOT 4
5550 SF
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WASHINGTON
425.252.2826 phone
425.252.9551 fax
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LOT 2
5550 SF
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1721 Hewitt Avenue
Fourth Floor
Everett, WA 98201
CONCRETE EXTRUDED CURB
WITH A 12" KNOCKOUT AT
ST A 0+95, 9' L T TO PROVIDE
DRAINAGE TO UPSTREAM PORTION
OF VEGETATED SWALE
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4-INCH ~VC SEWER SERVICE'.,; '1 i-~ I ~.- ~ ~ (" . PROP. "NO
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OREGON
541.988.1862 phone
541.988.1863 fax
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150 North 7th Street
Springfield, OR 97477
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DIG 1-800-332-2344
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DEVELOPMENT MINIMUM SElBACK STANDARDS.
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PARKING CALCULATIONS
SINGLE FAMILY UNITS SHALL BE CONFIGURED TO ALLOW A MINIMUM DRIVEWAY
AREA OF 325 SQ. FT. OUTSIDE OF THE JOINT-USE PRIVATE ACCESS
DRIVEWAY. THIS ALLOWS FOR A MINIMUM OF TWO 18'x9' OFF-STREET PARKING
SPACES PER SFR UNIT. THIS DRIVEWAY SQUARE FOOTAGE REQUIREMENT MAY
BE DECREASED ACCORDINGLY DEPENDING ON THE SIZE OF GARAGE TO BE
INCLUDED WITH THE SINGLE FAMILY UNIT. AT MINIMUM, TWO OFF-STREET
PARKING SPACES ARE REQUIRED FOR EACH SFR UNIT.
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OVERHEAD POWER
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CITY BENCHMARK USED: TACK IN LEAD, SE CORNER 58TH
AND MAIN (#68), EL=508.65. TOPOGRAPHY IS FLAT. SPOT
ELEVATIONS ARE SHOWN.
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JOB NO.
BUILDING SElBACK LINE
ell v OF SPRINGFIELD 2008-
-0+25
0+00
0+50
1+50
1+00
2056-07
24
H:\PROJECT FILES\ACTlVE\BEN56A\dwg\BEN56A-C1.0.DWG, C2.0 ROAD STORM UTJU1Y, 12/24/2008 10:44:02 NIt, tpowell, Copyright 2008 HBA Design Group, LLC
TEMPORARY FilTER FABRIC FENCE
FILTER FABRIC MATERIAL IN CONTINUOUS ROLLS.
WHEN JOINTS ARE NECESSARY, OVERLAP ENDS
FOR A DISTANCE OF 6-FEET
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! !- 2" X 2" WOOD POSTS, STANDARD II
U OR BETTER OR EQUIVALENT LJ
ELEVATION
1. THE FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL AND CUT
TO THE LENGTH OF THE BARRIER TO A VOID USE OF JOINTS.
FILTER FABRIC
MATERIAL. ....
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TAX MAP 17-02-33-41, TAX LOT 1704
CONTRACTOR RESPONSIBiliTY FOR EROSION/SilTATION CONTROL:
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IT IS THE INTENT OF THIS TEMPORARY EROSION AND SILTATION CONTROL
PLAN THAT STORM WATER RUNOFF BE CONTROLLED AT ALL TIMES TO
PREVENT SOIL EROSION AND TO MAINTAIN WATER QUALITY. ANY AND ALL
MEASURES NECESSARY TO DO SO SHALL BE EMPLOYED BY THE CONTRACTOR.
CONTRACTOR SHALL IMMEDIATELY REPORT TO AND CONSULT WITH THE
PROJECT ENGINEER TO FIND AN APPROPRIA TE REMEDY. ALL
CONSTRUCTION ACTIVITIES, WITH THE EXCEPTION OF EROSION AND
SILTATION CONTROL MEASURES, SHALL CEASE UNTIL SUCH TIME AS THE
WATER QUALITY IS BROUGHT UNDER CONTROL.
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1. REGARDLESS OF SITE, KEA THER, SOIL OR OTHER CONDI71ONS, THE
CONTRACTOR SHALL BE FULL Y RESPONSIBLE FOR ENSURING THA T
EROSION DOES NOT OCCUR ON THE SITE AND THA T POLLUTED OR
SILT-LADEN RUNOFF DOES NOT LEA\E THE SITE OR ENII:.K INTO
ANY CREEK, STREAM, th: lLANO OR WA II:.tf BODY ON THE SITE.
2. BEYOND THE MINIMUM REQUIREMENTS SHOWN ON THIS PLAN,
THE CONTRACTOR SHALL BE RESPONSIBLE FOR SELECTING AND
IMPLEMENTING APPROPRIATE METHODS, "BEST MANAGEMENT
PRACTICES" (BMPs), FOR STORM WATER TREATMENT AND CONTROL
THAT MEET THE REQUIREMENTS OF BOTH THE OREGON DEPARTMENT
OF ENVIRONMENTAL QUALITY AND THE CITY OF SPRINGFIELD.
3. THE CONTRACTOR SHALL REPORT ALL WATER QUALITY CONCERNS AND
ACTIVITIES TO THE PROJECT ENGINEER AND TO THE CITY OF SPRINGFIELD.
IN THE EVENT THAT THE INSTALLED WATER QUALITY CONTROL MEASURES
ARE INEFFECTIVE AT CONTROLLING EROSION AND SILTATION, THE
5. ALL SUPPLIES AND MATERIALS NECESSARY FOR IMPLEMENTING BMPs
SHALL BE STORED ON SITE AND SHALL BE IMMEDIATELY AVAILABLE FOR
USE. SUCH SUPPLIES AND MATERIALS SHALL INCLUDE, BUT NOT BE
LIMITED TO, STRAW BALES OR OTHER MULCHING MA II:.KIAL, SILT
FENCING AND STAKES, FILTER FABRIC, ETC.
6. DURING AND AFTER RUNOFF PRODUCING STORM EVENTS, CONTRACTOR
SHALL MONITOR ALL EROSION CONTROL MEASURES AND SHALL
PRIORITIZE IMPLEMENTATION AND MAINTENANCE OF EROSION AND
SIL TA TION CONTROL MEASURES ABOVE ALL OTHERS.
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MONITORING WEATHER
FORECASTS AND ANTICIPATING STORM ACTIVITY AND SHALL SCHEDULE
ALL PROJECT ACTIVITIES IN ANTICIPATION OF THE WEATHER.
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BURY BOTTOM OF FILTER
MATERIAL IN 2" BY 6" TRENCH ..... [
2. POSTS SHALL BE SPACED A MAXIMUM OF 8 FEET APART AND DRIVEN
SECURELY INTO THE GROUND A MINIMUM OF 18 INCHES (WHERE PHYSICALLY
POSSIBLE).
3. A TRENCH SHALL BE EXCA VA I t:.1J APPROXIMATELY 2 INCHES WIDE AND 6
INCHES DEEP ALONG THE LINE OF POSTS AND UPSLOPE FROM THE BARRIER.
THE TRENCH SHALL BE CONSTRUCTED TO FOLLOW THE CONTOUR.
4. FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED
THEIR USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN
PERMANENTLY STABILIZED. RETAINED SEDIMENT MUST BE REMOVED AND
PROPERLY DISPOSED OF OR MULCHED AND SEEDED.
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE
TEMPORARY CULVERT AS
NEEDED TO ENSURE
UNIMPEDED DITCH FLOW
2"-3" OPEN ROCK
UNDERLAIN WITH
GEOTEXTlLE FABRIC
1. INSTALLATION: THE AREA OF THE ENTRANCE SHOULD BE CLEARED OF ALL
VEGETATION, ROOTS AND OTHER OBJECTIONABLE MATERIAL THE GRAVEL
SHALL BE PLACED TO THE SPECIFIED DIMENSIONS. ANY DRAINAGE FACILITIES
REQUIRED BECAUSE OF WASHING SHOULD BE CONSTRUCTED ACCORDING TO
SPECIFICATIONS IN THE PLAN. IF WASH RACKS ARE USED, THEY SHOULD BE
INSTALLED ACCORDING TO MANUFACTURER'S SPECIFICATIONS.
2. AGGREGA TE: 2" TO 3" OPEN ROCK
3. ENTRANCE DIMENSIONS: THE AGGREGATE LAYER MUST BE AT LEAST 8 INCHES
THICK. IT MUST BE AT LEAST 12 FEET WIDE. THE LENGTH OF THE ENTRANCE
MUST BE AT LEAST 100 FEET.
4. WASHING: IF CONDITIONS ON THE SITE ARE SUCH THAT MOST OF THE MUD IS
NOT REMOVED FROM VEHICLE TIRES BY CONTACT WITH THE GRAVEL, THEN THE
TIRES MUST BE WASHED BEFORE VEHICLES ENTER A PUBLIC ROAD. WASH
WATER MUST BE CARRIED AWAY FROM ENTRANCE TO A SETTI.lNG AREA TO
REMOVE SEDIMENT. A WASH RACK MAY ALSO BE USED TO MAKE WASHING
MORE CONVENIENT AND El'l' I:.CTlVE.
5. MAINTENANCE: THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH
WILL PREVENT TRACKING OR FLOW OF MUD ONTO PUBLIC RIGHT- OF-WAYS.
THIS MAY REQUIRE PERIODIC TOP DRESSING WITH 2 INCH STONE, AS CONDITIONS
DEMAND, AND REPAIR AND/OR CLEAN OUT ANY STRUCTURES USED TO TRAP
SEDIMENT. ALL MATERIALS SPILLED, DROPPED, WASHED OR TRACKED FROM
VEHICLES ONTO ROADWAY OR INTO STORM DRAINS MUST BE REMOVED
IMMEDIA TEL Y.
.
VEHI9LE EXIT j
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18' (MIN.) -- 12.
50' (MIN.) "
__ _ 8'-10"
PLAN
DIRECllON OF TRAVEL
flROVlDE WA TER SUPPLY
AND MAINTAIN 12"
OF WA TER AT ALL llMES
-
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20" J '
12" AGGREGA
SUBGRADE
GEOTEXllLE
SECTION
TEMPORARY WHEEL WASH
NOT TO SCALE
2" X 2" WOOD POSTS, ...
STANDARD OR BE I I t.R
OR EQUIVALENT
2" MIN.
SECTION
Sill:. GRADING NOTES
5. INSPECT IMMEDIA TEL Y AFTER EACH RAINFALL. AND A T LEAST DAILY
DURING PROLONGED RAINFALL. REPAIR AS NECESSARY.
6. SEDIMENT MUST BE REMOVED WHEN IT REACHES APPROXIMATELY ONE
THIRD THE HEIGHT OF THE FENCE, ESPECIALLY IF HEAVY RAINS ARE
EXPECTED.
7. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE FILTER FENCE
FENCE IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH
THE EXISTING GRADE, PREPARED, AND SEEDED.
12" -J l-
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- 8"
10'
t
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VEHICLE ENTRY
- 12" (MIN.)
1. PUBLIC STREETS ARE TO BE KEPT CLEAR OF DIRT AND DEBRIS DURING
EXCAVATION AND FILL OPERATIONS.
2. THE SITE SOILS ARE GENERALLY CONSIDERED MOISTURE SENSITIVE AND AS SUCH ARE SUSCEPTIBLE
TO DISTURBANCE BY CONSTRUCTION EQUIPMENT, PARTICULARLY DURING PERIODS OF WET WEATHER.
THE GRADING CONTRACTOR SHALL TAKE ALL PRECAUTIONS TO LIMIT SURFACE DISTURBANCE AND
PROTECT THE SITE GRADING AREA FROM EXCESSIVE RUNOFF EROSION.
3. AREAS TO RECEIVE FILL SHALL BE CLEARED OF ALL VEGETATION AND DELETERIOUS MAIIt.t<.
4. AREAS TO RECEIVE FILL SHALL BE PROOFROLLED. ALL LOOSE AND SOFT AREAS SHALL BE
REMOVED AND REPLACED WITH STRUCTURAL FILL.
5. ALL FILL MATERIALS USED SHALL BE FREE OF VEGETATION AND DELETERIOUS MA IIt.K AND SHALL
NOT CONTAIN PARTICLE SIZES GREATER THAN THREE INCHES IN DIAMETER.
6. STRUCTURAL FILLS SHALL BE PLACED IN LAYERS THAT, WHEN COMPACTED. DO NOT EXCEED EIGHT
INCH THICK HORIZONTAL LIFTS AND SPREAD UNIFORMLY.
AI'It.t< EACH LIFT HAS BEEN SPREAD EVENLY, IT SHALL BE COMPACTED TO A MINIMUM OF 95% OF
MAXIMUM DENSITY DETERMINED IN ACCORDANCE WITH ASTM D1557 (MODIFIED PROCTOR).
THE SURFACE OF ALL SLOPES SHALL BE COMPACTED. THIS MAY BE ACCOMPLISHED BY
OVER-BUILDING THE SLOPES. THEN CUTTING BACK TO FINAL GRADES, OR BY RUNNING THE
COMPACTOR OVER THE SLOPE AS EACH FILL LIFT IS BEING PLACED. ALL SLOPES SHALL BE
COMPACTED BY THE END OF EACH WORK DAY.
FIELD DENSITY TESTS SHALL BE MADE, IF NEEDED AND/OR REQUIRED, BY A QUALIFIED SOILS
ENGINEERING FIRM. DENSITY TESTS SHALL BE TAKEN AT OR JUST BELOW THE SURFACE AT THE
FREQUENCY AND LOCATIONS DETERMINED BY THE SOILS ENGINEERING FIRM. WHEN THE TESTS
INDICATE THAT THE DENSITY OF ANY LAYER OF FILL OR PORTION THEREOF IS BELOW THE
SPECIFIED DENSITY, THE PARTICULAR SECTION SHALL BE REWORKED UNTIL THE REQUIRED DENSITY
HAS BEEN OBTAINED.
10. ALL CUT AND FILL SLOPES SHALL BE A MAXIMUM OF 2: 1 AND 3: 1 RESPECTIVELY.
7.
8.
9.
PROVIDE 18" X 24" SIGN.
DESIGNA1J!JD./
CONCR1!I:tJ!l
WASH AREA
11. STOCKPILES ARE TO BE LocATED IN SAFE AREAS AND ADEQUA TEL Y PROTEC I t.o TO PREVENT
EROSION. HYDROSEEDING STOCKPILES IS PREFERRED.
12. CONTRACTOR SHALL MAINTAIN A MINIMUM 2-FT GRADING SETBACK FROM PROPERTY BOUNDARY
UNLESS WRIIIt.N PERMISSION IS OBTAINED FROM ADJACENT PROPERTY OWNER.
13. IF DEWATERING IS ANTICIPATED. THE CONTRACTOR SHALL SUBMIT FOR APPROVAL OF A DEWATERING
PLAN FROM THE CITY OF SPRINGFIELD PUBLIC WORKS DEPARTMENT. AT NO TIME SHALL SEDIMENT
LADEN WATER BE ALLOWED TO LEAVE THE CONSTRUCTION SITE.
WRAP STRAW BALES WITH
./ 4 MIL BLACK VlSQUEEN.
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PROVIDE 6 STRAW BA~S~
TO MAKE SQUARE CONTAINMENT AREA.
ANCHOR VISQUE~N
~ WITH SOIL BERM.
SEEDING NOTES
1. ALL DISTURBED AREAS SUCH AS DETENTION FACILITIES. ROADWAY BACKSLOPES, UTILITY TRENCHES,
ETC. SHALL BE SEEDED WITH A PERENNIAL GROUND COVER GRASS TO MINIMIZE EROSION. GRASS
SEEDING WILL BE DONE USING AN APPROVED HYDROSEEDER OR AS OTHERWISE APPROVED BY THE
CITY OF SPRINGFIELD.
2. EFFECTIVE SEEDING IS BEST ACCOMPLISHED DURING THE MONTHS OF APRIL, MAY, JUNE AND
SEPTEMBER. SEEDING DURING JULY AND AUGUST MAY REQUIRE SUBSTANTIAL IRRIGATION.
3. CONSTRUCTION ACCEPTANCE WILL BE SUBJECT TO A WELL ESTABLISHED GROUND COVER THAT
FULFILLS THE REQUIREMENT OF THE APPROVED LAND AND DRAINAGE ALTERATION PLANS.
4. IMMEDIATELY FOLLOWING FINISH GRADING, PERMANENT VEGETATION (CONSISTING OF PRO-TIME 303
SUN MIX OR EQUIVALENT) WILL BE APPLIED (MINIMUM 7-10# PER 1000 SF). PLANS MAY SPECIFY
011' I' t.RENT PLANTlNGS FOR SPECIALIZED AREAS SUCH AS BIOFlL TRA TlON SWALES,
DETENTION/INFILTRATION PONDS, WETLAND/BUI'I't.R RESTORATION AREAS, ETC.
5. ALL AREAS TO BE SEEDED SHALL BE CULTIVATED TO THE SATISFACTION OF THE CITY INSPECTOR.
THIS MAY BE ACCOMPLISHED BY DISCING, RAKING, HARROWING OR OTHER ACCEPTABLE MEANS.
PERFORM ALL CULTURAL OPERATIONS ACROSS OR AT RIGHT ANGLES TO THE SLOPE. IF NECESSARY,
SURFACE RUNOFF CONTROL MEASURES SUCH AS GRADIENT TERRACES, INTERCEPTOR DIKE/SWALES,
LEVEL SPREADERS, AND SEDIMENT BASINS SHALL BE INSTALLED PRIOR TO SEEDING.
6. FERTILIZER MAY BE APPLIED PER MANUFACTURERS RECOMMENDATIONS. DEVELOPMENTS ADJACENT TO
WA I t.t< BODIES SHALL USE NON-PHOSPHORUS FERTILIZER.
CONCRETE WASH AREA DETAil
SURROUND CATCH BASIN ~
GRA TE WITH A 10" BERM OF
1/2" TO 3/4" WASHED GRAVEL
ACCEPTABLE SUBSTITUTIONS - 0
FOR WASHED GRAVEL ARE: ~~~O 0 Ooo~o~Ooo'i'O:(ti()~ .10"
jj>"=:i:,Q>.::J. \ II II LL-l1 I, ~~
- GEOTEXTlLE INSERT PER 4 .. 4 j
CITY OF SPRINGFIELD' .. ·
4
STANDARD TYPE 3 4 .. ~
- BIOFlL TER BAGS OR "
BLO I I t.R BAGS PER CITY 4 .. - MIRAFI 140-N
OF SPRINGFIELD STANDARD 4 4 FILTER FABRIC
TYPE 4 4 4 "-
4 ~ "-- CATCH BASIN
18"
-
INLET PROTECTION OPTIONS: CITY OF SPRINGFIELD INLET PROTECTION
STANDARD TYPES 2, 3. OR 4.
CATCH BASIN GRATES SHALL REMAIN PROTECTED UNTIL COMMENCEMENT OF
PAVING.
INTERIM CATCH BASIN
GRATE PROTECTION
NOT TO SCALE
EROSION CONTROL NOTES
1. PRIOR TO ANY GROUND DISTURBANCE ON THE SITE ONE INSPECTION WITH LDAP STAFF
IS REQUIRED. ISSUANCE OF THIS PLAN DOES NOT RELIEVE THE PERMIT HOLDER AND
OR THE CONTRACTOR FROM ALL OTHER PERMITTING REQUIREMENTS. PRIOR TO
BEGINNING CONSTRUCTION ACTIVITIES, ALL OTHER NECESSARY APPROVALS SHALL BE
OBTAINED.
2. THE EROSION AND SEDIMENT CONTROL MEASURES SHOWN ON THE PLAN ARE THE
MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE .
CONSTRUCTION PERIOD, THESE MEASURES SHALL BE UPGRADED AS NEEDED FOR
UNEXPECTED STORM EVENTS AND TO ENSURE THAT SEDIMENT AND SEDIMENT-LADEN
WATER DOES NOT LEAVE THE SITE.
3. THE IMPLEMENTATION OF THE ESCP AND THE CONSTRUCTION, MAINTENANCE,
REPLACEMENT, AND UPGRADING OF THE EROSION AND SEDIMENT CONTROL MEASURES
IS THE RESPONSIBILITY OF THE PERMIT HOLDER AND OR THE CONTRACTOR UNTIL ALL
CONSTRUCTION IS COMPLETED, ACCEPTED AND VEGETATION/LANDSCAPING IS
ESTABLISHED.
4. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY
FLAGGED IN THE FIELD BY THE ENGINEER PRIOR TO CONSTRUCTION. DURING THE
CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE FLAGGED CLEARING LIMITS
SHALL BE PERMI I II:.D. THE FLAGGING SHALL BE MAINTAINED BY THE PERMIT HOLDER
AND OR THE CONTRACTOR FOR THE DURATION OF CONSTRUCTION.
5. THE EROSION AND SEDIMENT CONTROL MEASURES ON ACTIVE SITES SHALL BE
INSPECTED AND MAINTAINED DAILY AND WITHIN THE 24 HOURS AI'It.t< ANY STORM
EVENT OF GREAIt.K THAN 0.5 INCHES OF RAIN PER 24 HOUR PERIOD. MEASURES
SHALL BE INSPECTED BY THE PERMIT HOLDER AND OR THE CONTRACTOR AI' I t.R EACH
RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL ANY REQUIRED
REPAIRS OR ADJUSTMENTS SHALL BE MADE IMMEDIATELY. THE EROSION AND SEDIMENT
CONTROL MEASURES ON INACTIVE SITES SHALL BE INSPECTED A MINIMUM OF ONCE
EVERY TWO (2) WEEKS OR WITHIN 48 HOURS FOLLOWING A STORM EVENT.
6. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE PROTECTED FROM DAMAGE
AT ALL TIMES. CONTROL MEASURES SHALL REMAIN IN PLACE UNTIL PERMANENT
RE-VEGETATlON HAS BEEN STABILIZED. ANY MEASURE THAT IS DAMAGED OR
DESTROYED SHALL BE REPAIRED OR REPLACED IMMEDIATELY.
7. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT
BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1 TO APRIL 30) OR
SEVEN DAYS DURING THE DRY SEASON (MAY 1 TO SEPTEMBER 30) SHALL BE
IMMEDIATELY STABILIZED WITH AN APPROVED ESC METHOD (SEEDING & MULCHING WITH
STRAW, BARK, COMPOST, OR PLASTIC COVERING, ECT.).
8. STREET SWEEPING SHALL BE PERFORMED AS NEEDED OR WHEN DIRECTED BY THE CITY
INSPECTOR TO INSURE PUBLIC RIGHT-OF - WAYS ARE KEPT CLEAN AND FREE OF
DEBRIS. STREET FLUSHING IS PROHIBITED.
9. WHEN TRUCKING SATURATED SOILS FROM THE SITE, EITHER WA TER- TIGHT TRUCKS
SHALL BE USED OR LOADS SHALL BE DRAINED ON SITE UNTIL DRIPPING HAS BEEN
REDUCED TO NO MORE THAN ONE GALLON PER HOUR. SEDIMENT LADEN WATER WILL
NOT BE ALLOWED TO ENTER THE STORM WA I t.K SYSTEM.
10. EXTRACTED GROUND WATER FROM EXCAVATED TRENCHES SHALL BE DISPOSED OF IN A
SUITABLE MANNER WITHOUT DAMAGE TO ADJACENT PROPERTY, CITY'S STORM WATER
SYSTEM, WATER FEATURES, AND RELATED NATURAL RESOURCES. APPROVAL OF A
DEWATERING SYSTEM DOES NOT GUARANTEE THAT IT WILL MEET COMPLIANCE OR BE
ACCEPTABLE FOR USE IN ALL SITUATIONS. MODIFICATIONS TO THE DEWATERING SYSTEM
WILL BE REQUIRED IF COMPLIANCE CAN NOT BE MET. AT NO TIME WILL SEDIMENT
LADEN WATER BE ALLOWED TO LEAVE THE CONSTRUCTION SITE.
11. A SUPPLY OF MATERIALS NECESSARY TO MEET COMPLIANCE AND IMPLEMENT THE LDAP
OR OTHER BEST MANAGEMENT EROSION PRACTICES UNDER ALL WEATHER CONDITIONS
SHALL BE MAINTAINED AT ALL TIMES ON THE CONSTRUCTION SITE.
12. NO HAZARDOUS SUBSTANCES, SUCH AS PAINTS, THINNERS, FUELS AND OTHER
CHEMICALS SHALL BE RELEASED ONTO THE SITE, ADJACENT PROPERTIES, OR INTO
WATER FEATURES, THE CITY'S STORM WATER SYSTEM, OR RELATED NATURAL
RESOURCES.
13. THE ESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND MAINTAINED
TO ENSURE CONTINUED PROPER FUNCTIONING. WRII I t.N RECORDS SHALL BE KEPT OF
WEEKLY REVIEWS OF THE ESC FACILITIES DURING THE WET SEASON (OCTOBER 1 TO
APRIL 30) AND OF MONTHLY REVIEWS DURING THE DRY SEASON (MAY 1 TO
SEPTEMBER 30).
14. INSTALL A CONCRETE WASH OUT, CONSTRUCTED WITH STRAW BALES. LINED WITH
PLASTIC, AND A VISIBLE SIGN STATING THAT IT IS THE DESIGNATED CONCRETE WASH
OUT AREA. LOCATE THE WASH OUT IN A PLACE THAT WILL BE ACCESSIBLE TO
CON CRt. I t. TRUCKS. SIZE TO THE PROJECT.
15. THE TEMPORARY EROSION/SEDIMENTATION CONTROL FACILITIES SHALL BE CONSTRUCTED
PRIOR TO ANY GRADING OR LAND CLEARING IN ACCORDANCE WITH THE APPROVED
TEMPORARY EROSION/SEDIMENTATION CONTROL PLAN. THESE FACILITIES MUST BE
SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION AND LANDSCAPING IS COMPLETED
AND THE POTENTIAL FOR ON-SITE EROSION HAS PASSED.
16. NONCOMPLIANCE WITH THE EROSION CONTROL REQUIREMENTS, WATER QUALITY
REQUIREMENTS, AND/OR CLEARING LIMITS MAY RESULT IN REVOCA TlON OF PROJECT
PERMITS OR PLAN APPROVAL, FINES AND BOND FORECLOSURES.
17. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE,
REPLACEMENT, AND UPGRADING OF THESE E.S.C. FACILITIES IS THE RESPONSIBILITY OF
THE OWNER/CONTRACTOR UNTIL ALL CONSTRUCTION IS APPROVED.
18. WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED. IT SHALL BE
APPLIED AT A MINIMUM THICKNESS OF TWO INCHES.
19. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED
WITHIN 30 DAYS At'It.t< FINAL SITE STABILIZATION IS ACHIEVED OR At'It.t< THE
TEMPORARY BMPs ARE NO LONGER NEEDED. TRAPPED SEDIMENT SHALL BE REMOVED
OR STABILIZED ON SITE. DISTURBED SOIL AREAS RESULTING FROM REMOVAL SHALL BE
PERMANENTLY STABILIZED.
20. WASTEWAIt:.K FROM PROJECT ACTIVITIES AND DE-WATERING SHALL BE ROUTED TO AN
UPLAND AREA FOR REMOVAL OF FINE SEDIMENTS AND OTHER CONTAMINANTS. ONLY
CLEAN, UNPOLLUTED WATER SHALL LEAVE THE SITE.
~ DATUM
-V BENCHMARK
CITY BENCHMARK USED: TACK IN LEAD, SE CORNER 58TH
AND MAIN (#68), EL=508.65. TOPOGRAPHY IS FLAT. SPOT
ELEVATIONS ARE SHOWN.
CII f OF SPRINGFIELD 2008-
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H:\PROJECT FILES\ACTlVE\BEN56A\dwg\BEN56A-C1.0.DWG, C2.1 TESC NOTES AND DETAILS, 12/24/2008 10:45:13 fJoM, tpowell, Copyright 2008 HBA Design Group, LLC
DESIGN GROUP
land use planning + civil engineering
WASHINGTON
425.252.2826 phone
425.252.9551 fax
1721 Hewitt Avenue
Fourth Floor
Everett, WA 98201
OREGON
541.988.1862 phone
541.988.1863 fax
150 North 7th Street
Springfield, OR 97477
CAll TWO BUSINESS
DAYS BEFORE YOU
DIG 1-800-332-2344
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