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SURVEYOR'S NOTI~S
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VICINITY MAP
TOPOGRAPHIC SURVEY
FOR
CORKEY GOURLEY
SW 1/4, SW 1/4, SECTION 25,
T 17 $, R 3 W, W. M.
SPRINGFIELD, LANE COUNTY, OREGON
APRIL 13, 2007
WELLHEAD lONE: 2 TO 5 YEAR TIME OF TRAVEL ZONE
ZONED: HIGH DENSITY RESIDENTIAL
SOIL TYPE: COBURG, URBAN LAND COMPLEX (32)
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ASSESSOR'S MAP NO. 17-03-25-33 TAX LOTS 8200 & 8300
TOLBERT ASSOC/A TES, LLC
LAND SURVEYING & LAND USE PLANNING
P.O. BOX 70224
(83 CENTENNIAL LOOP, SUITE 1)
EUGENE, OREGON 97401
(541) 359-8426 FAX (541) 747-0177
LLOYDOTOLBERT ASSOCIA TES. COM
CADD F/LE-1160TOP02.DWG OWN BY: TMY CHK BY: LL T
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CENTENNIAL
BOULEVARD
ELEVA nONS ARE BASED ON CIT! OF' SPRINGFIELD DATUM, BENCHMARK NO. 230,
SQUARE CHISELED IN THE TOP OF CURB AT THE SOUTH SIDE OF PARKER STREET
A T THE .A.JNCnON WITH MARKT STREET. ElEV A nON: 459.20',
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REVISIONS BY
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DRAWN JEE
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T.L. 6700
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State Farm Insurance
Parking Lot Expansion
Owner: Corkey Gourley
Site Address: 131 0 Market Street
EXISTING LOT AREA: 14,377 SQ. FT.
EXISTING BUILDING AREA: 2,870 SQ. FT.
EXISTING PARKING LOT AREA: 3,000 SQ. FT.
EXISTING ALLEYWA Y: 785 SQ. FT.
NEW PARKING LOT AREA: 2,485 SQ. FT.
TOTAL IMPERVIOUS AREA: 9,140 SQ. FT.
IMPERVIOUS AREA COVERAGE 63.6%
LANDSCAPE AREA; 5,237 SQ. FT.
LANDSCAPE COVERAGE 36.4%
EXISTING 6'
WOODEN FENCE
T.L. 8100
SURFACE
INDEX
. . . . .
. . . . . .
INDICATES
EXISTING AC
AREA TO
REMAIN
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INDICATES AREA
OF NEW AC
PAVING
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INDICATES
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INDICATES NEW
WATER QUALITY
SWALE AREA
INDICATES NEW
LANDSCAPE
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EXISTING 6'
WOODEN FENCE
T. L. 6800
T.L. 690C)
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VEGETA TED STORM
WA TER TREA TMENT
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RIM 457.61
8" IE OUT (5) 454.85
ELEVATIONS ARE BASED ON CITY OF SPRINGFIELD DATUM, BENCHMARK NO. 230.
SQUARE CHISELED IN THE TOP OF CURB AT THE SOUTH SIDE OF PARKER STREET
AT THE JUNCTION WITH MARKET STREET. ELEVATION: 459.20',
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GRADED TO SHEET ~
FLOW TO SWALE Q
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2.5" OF CLASS 'B' A.C. OVER',!" ~ I i I I ~
8" OF 3/4--0" CRUSHED ROCK OVER~ l>.....:" I i i,;_"~"M"! '" I ./
COMPACTED SUBGRADE>,;>/ ", -/"-, ""
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12" OF NATIVE AND CLAY SOIL MIXTURE OVER~/', ',/ "., / ",
EXISTING NATIVE GROUND--' ' " / :',
T.L. 6700
TYPICAL SWALE SECT/ON
NTS
Vegetated Swale Notes:
1. Topsoil or planting medium will be clean topsoil and amended as
required to help establish growing the required plants for the swale.
Soil compaction of the growing medium shall not exceed 70%.
2. Swale shall be planted with native grass and low-profile shrubs
to completely cover surface.
3. Area under the swale shall be tilled up and non-pourous soil shall be
added as required to keep surface waters from infiltrating into the
ground.
EXISnNG 6'
WOODEN FENCE
SURFACE
INDEX
INDICA TES
EXISTING AC
AREA TO
REMAIN
INDICATES AREA
OF NEW AC
PAVING
T.L. 8100
INDICATES
EXISTING
GRA VEL ALLEY
INDICATES
EXISTING
CONCRETE
SIDEWALKS
EXISnNG 6'
WOODEN FENCE
INDICATES NEW
WATER QUALITY
~ SWALE AREA
INDICATES NEW
LANDSCAPE
AREA
Private Storm Drain Notes:
1. Storm drain pipe shall conform to either ASTM 3034 PVC pipe, concrete
pipe conforming to ASTM C14, Closs 3, or be HOPE pipe with a smooth
wall such as "N-12" pipe as manufactured by Advanced Drainage Systems.
Within 5 feet of a building, drain pipe sholl be ABS piping or other type
of piping conforming to the Uniform Plumbing Code.
2. Backfill for the drainage pipe in paved areas sholl be granular backfill
compacted to 95% maximum dry density per AASHTO T-99 test method,
and in unpaved areas native material shall be compacted to 85% of in
place dry density of surrounding soil.
3. Area drain in landscape swale sholl be prefabricated area drain such
and may be plastic or steel. Area drain shall have a minimum surface
area size of 12"x12".
PLANllNG UST: TOTAL AREA 272 SQ. FT.
- GRASSES AND GROUND COVERS
::::::::::::::::::::::::: 50% OF SWALE 10" D.C.
- TREES: (1 1 /2" AT 6" ABOVE BASE)
~ 3-BETULA JACQUEMONTII
r:u..; -JACQUEMONTII BIRCH
-SMALL TREES: (3-GALLON CONTAINERS
OR EQUIVALENT)
e 11-ACER CIRCINTUM - VINE MAPLE
-SHRUBS/LARGE GRASS-LIKE PLANTS:
(1-GALLON CONTAINERS OR EQUIVALENT)
W 8-ROSA PISOCARPA
- SWAMP ROSE
" 5-MAHONIA NERVOSA
- DULL OREGON GRAPE
e 4-PHYSOCARPUS CAPITATUS
- PACIFIC NINEBARK
Paving Notes:
1. The interior parking and walk areas are to be stripped of the organic
layer prior to placing base rock. The structural section of the parking
lot shall be as noted on the plan. Proof roll subgrade prior to placing
rock with loaded 10 yard rock truck. If soft areas are observed, excavate
areas and re-compact with either clean native material or crushed rock.
If large sections are soft, contact the Engineer for possibly increasing the
base rock or asphalt thickness.
2. Immediately following fine grading operations proof roll subgrade areas to
achieve 90% of maximum density for a 6" depth per AASHTO T-180 test
method. Embankments or fills ore to be constructed in 6" maximum lifts,
with each lift being compacted to 95% maximum dry density prior to
proceeding with the next lift. Structural fills shall meet the Special
Inspections Requirements of the City of Portland.
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SW ALE PLANTING PLAN
NTS
T. L. 6800
T.L. 69()0
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rEYOR" NOTES
ELEVATIONS ARE BASED ON CITY OF SPRINGFIELD DATUM, BENCHMARK NO. 230,
SQUARE CHISELED IN THE TOP OF CURB AT THE SOUTH SIDE OF PARKER STREET
A T THE JUNCTION WITH MARKET STREET. ELEVA TION: 459.20'.
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EXISTING CA TCH BASIN
RIM 457.61
8" IE OUT (S) 454.85
40'
19'
CENTENNIAL BOULEVARD
---- - ----.----- -- -.---- - ----- ----_.~"-
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A TTEN1l0N: Oregon low requires you to follow the rules
adopted by the Oregon Utility Notification Center.
Those rules are set forth in OAR-952-001-0010 through
OAR-952-001-0090. You may obtain copies of the
rules by colling the center_ (Note: the number for the
Oregon Utility Notification Center is (503) 232-1987).
NOTE: THE UNDERGROUND UTILITIES SHOWN ON THESE
PLANS ARE FROM UTILITY LOCA TE PAINT MARKS AND AS
BUlL T PLANS. ACTUAL LOCA TlON AND DEPTH SHALL BE
FILED VERIFIED PRIOR TO CONSTRUCTION AND
CONNECTION TO THE EXISTING UTILITIES.
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GRAPHIC SpALE
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EXISTING LOT AREA: 14,377 SQ. FT.
EXISTING BUILDING AREA: 2,870 SQ. FT.
EXISTING PARKING LOT AREA: 3,000 SQ. FT.
EXISTING ALLEYWA Y: 785 SQ. FT.
NEW PARKING LOT AREA: 2,485 SQ. FT.
TOTAL IMPERVIOUS AREA: 9,140 SQ. FT.
IMPERVIOUS AREA COVERAGE 63.6%
LANDSCAPE AREA; 5,237 SQ. FT.
LANDSCAPE COVERAGE 36.4%
PED
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SCALE AS NOTED
DRAWN JEE
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SHEET
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OF 4 SHEETS
A Y BE USED SHORT TERM
wi UTILITY WORK AND wi
PHASING OF DEVELOPMENT
CATCH BASIN
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EROSION CONTROL MANUAL
8O-FILTER fMGS FOR
1'EMPORARY INLET PROI~rtON
Detail Drawin 4.2C
nu: IIRM'TtlMSKCTIJt$ CiW'lCCS IlIlAYlNCi fll.DT 101
SEDIMENT FENCE APPROVED EQUAL:
APPROVED EQUALS TO SEDIMENT FENCE MAY BE SUCH
ITEMS AS EXISIGN VEGETA TED BUFFERS, COVERING AREAS
OF DISTURBANCE WITH MULCH AND STRA W WA TTLES.
ANY AL TERNA TIVES SHALL BE AUTHORIZED BY THE CTY'S
INSPECTOR PRIOR TO USE IN PLACE OF THE LISTED
SEDIMENT FENCES.
ATCH BASIN GRATE
INsmT SACK
FRONT VIEW
STORM
PIPE
CATCH BASIN
"x2"x.3/4 ..
RUBBER BLOCKS
XPANSION RESTRAINT
LTER SACK
INsmT SACK
SIDE VIEW
NOTE:
INSTALL SILT SACKS
AFTER FIRST LIFT OF
ASPHALT HAS BEEN
PLACED.
NOTE:
RECESSED CURB INLET MUST BE BLOCKED WHEN USING FILTER FABRIC INLET SACKS.
SIZE OF FILTER FABRIC INLET SACK TO BE DETERMINED BY MANUFACTURER.
DRAWING NOT TO SCALE
EROSION CONTROL MANUAL
fILlER FAMe
INLET PROIECnON
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EROSION CONTROL MANUAL
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CENTENNIAL
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BOULEVARD J
· - - - - . SEDIMENT FENCE
GRADING INDEX
- -458,5- - PROPOSED 0.5' CONTOURS
- -458- - PROPOSED l' CONTOURS
l' EXISTING GROUND CONTOURS
~ EG-FNC EXISTING GRADE POINT ELEVATION
485. 75 AT EXISTING FENCE
~ EG-GA TE EXISTING GRADE POINT ELEVATION
485.65 AT EXISTING FENCE GATE
~ FG-SW FINISHED GRADE POINT ELEVATION
459.20 AT TOP OF A.C. SURFACE
.. FG-BS FINISHED GRADE POINT ELEVATION
184.15 AT BOTTOM OF W.Q. SWALE
(ESTlMA TED EARTHWORK QUANTITIES
FROM EG'1QFINISHED GRADE
EXCAVATION 10 CU YDS
SITE Fill 40 CU YDS
NET FILL 30 CU YDS FILL
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DRAINAGE ARROW
BIOFIL TER BAG
INLET PROTECTION
PROPOSED
DRAINAGE ARROW
INDICATES INDICATES
INDICA TES AREA OF
AREA OF EXISTING NEW WATER
A.C. TO
NEW A.C. REMAIN QUALITY
SWALES
. . . . . . . . . . . . . . INDICATES
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NOTE: THE UNDERGROUND UTILITIES SHOWN ON THESE
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BUlL T PLANS. ACTUAL LOCA TlON AND DEPTH SHALL BE
FILED VERIFIED PRIOR TO CONSTRUCTION AND
CONNECTION TO THE EXISTING UTILITIES.
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JAN' 2 8 2008
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Eroa1on and Sediment Control Requirement.:
1. The intent of the requirement is to prevent siltation from reaching storm drain
systems and drainage ways. The erosion and sediment control (ESC) facilities
shown on this plan ore the minimum requirements for anticipated site
conditions. During the construction period. these ESC facilities sholl be
upgraded as needed for unexpected storm events and to ensure that sediment
laden water does not leave the site.
2. The following controls and practices are required:
0) Each site sholl hove groveled or paved entrances, exits and parking areas,
prior to beginning any other work, to reduce the tracking of sediment onto
public or private roods.
b) All unpaved roods located on-site shall be groveled. Other effective
erosion and sediment control measures either on the rood or down gradient
may be used in ploce of groveling.
c) \\hen trucking saturated solis from the site, either water-tight trucks sholl
be used or loads sholl be drained on-site until dripping has been reduced to
minimize spillage on roads.
d) Concrete trucks being washed out onslte sholl be parked in 0 location that
will prevent 011 wash water from entering the storm drain system without
proper flltration. Concrete remnants and residue sholl be properly
disposed of.
3. Additional controls and proctlces sholl be developed that ore appropriate for
the site. At 0 minimum the following sholl be considered:
0) Whenever practicable, clearing and grading sholl be done in a phased
manner to prevent exposed inactive areas from becoming 0 source of
erosion.
b) In developing vegetative erosion control practices, at 0 minimum the
following sholl be considered: temporary seeding, permanent seeding,
mulching, sod stabilization, vegetative buffer strips, and protection of trees
with protective construction fences.
c) The following shall be considered for the protection of exposed areas and
the prevention of soli from being eroded by storm water; mulching with
strow or other vegetation, use of erosion controi blankets, and application
of soli tacklflers.
d) The following sholl be considered for the diversion of flows from exposed
soli, store flows to allow for sedimentation, filter flows, or otherwise
reduce soil laden runoff: use of silt fences, earth dikes, brush barriers.
drainage swales, check dams, subsurface drains, pipe slope drains, rock
outlet protection. sediment traps, and temporary or permanent
sedimentation basins. All temporary sediment control practices sholl not
be removed until permanent vegetation or other cover of exposed areas Is
established.
e) The following sholl be considered to prevent the stockpiles from becoming
o source of erosion: diversion of uncontaminated flows around stockpiles.
use of cover over stockpiles, and Installation of silt fences around
stockpiles.
4. The following mointenance activities sholl be implemented:
0) Significant amounts of sediment that leave the site sholl be cleaned up
within 24 hours and placed bock on the site or properly disposed. Any In-
stream clean up of sediment sholl be performed according to Oregon
Division of State Lands' required tlmeframe.
b) Under no conditions sholl sediment Intentionally be washed into storm
sewer or drainage way.
c) For 0 filter fence, the trapped sediment sholl be removed when It reaches
one third of the above ground fence height.
d) For catch basin protection, cleaning must occur when design capacity has
been reduced by fifty percent.
e) For 0 sediment basin, removal of trapped sediments sholl occur when
design capacity has been reduced by fifty percent.
f) All erosion and sediment controls not in the direct path of work sholl be
Installed before any land disturbance.
g) If fertilizers are used to establish vegetation, the application rates sholl
follow manufacturer's guidelines and the application sholl be done In such
o way to minimize nutrient-laden runoff to receiving waters.
h) If construction activities cease for thirty (30) days or more, the entire site
must be stabilized, using vegetation of a heavy mulch loyer, temporary
seeding, or another method that does not require germination to control
erosion.
I) Any use of toxic or other hazardous materials sholl Include proper storage,
application, and disposal.
j) The permittee sholl manage abandoned hazardous wastes, used oils,
contaminated soils or other toxic substances discovered during
construction octivities in 0 manner approved by the Deportment of
Environmental Quality.
Sedlm.,t Fence:
1. The fliter fabric shall be purchased in 0 continuous roll cut to the length of
the barrier to ovoid use of joints. When joints are necessary, filter cloth sholl
be spl1ced together only at 0 support post, with a minimum 8 Inch overlap,
and both ends securely fastened to the post.
2. The filter fabric fence sholl be Installed to follow the contours, where
feasible. Then fence posts shall be spaced a maximum of six feet aport and
driven securely into the ground a minimum of 18 Inches.
3. A trench sholl be excavated, roughly 6 Inches wide by 6 Inches deep,
upslope and adjacent to the wood post to ollow the filter fabric to be burled.
Bury the bottom of the fabric 6. vertically below finished grade. AU areas
of filter fabric trench shall be compacted,
4. The filter fabric sholl be installed with stitched loops over fence posts. The
fence post shall be constructed of 2" x 2" fir. pine, or steel. The fence post
must be a minimum of 48" long. The filter fabric shall not be stapled or
attached to existing trees.
5. Sediment fences sholl be removed when they have served their useful
purpose. but not before the upslope area has been permanently stabilized.
6. Sediment fences shall be inspected by applicant/contractor Immediately
after each rainfall, and at ieast dally during prolonged rainfall. Any required
repairs sholl be made Immediately.
EroeIon and Sedlm.,t Control Inepectlon Requlrwnente:
1. All sites 1 acre and greater sholl have 0 person with knowledge and
experience in construction storm water controls and management practices
conduct all inspections. The Inspector sholl keep a written record of each
Inspection.
2. Active Sites: Frequency of Inspections shall be dolly during storm water
runoff or snowmelt runoff and at least once every seven (7) calendar days and
within 24 hours after any storm event of greater than 0.5 inches of rain per
24-hour period.
3. Inactive Sites: During Inactive periods of greater than seven (7) consecutive
calendar days. Inspections sholl only be required once every two (2) weeks.
Prior to discontinuing activities at the site, any exposed area shall be stabilized
to prevent erosion. Stabilization may occur by applying appropriate cover
(mulch, erosion control blanket, soil tackifier, etc.) or establishing adequate
vegetative cover.
SMdlng!Wulchfng:
1. All areas disturbed during construction to be graded to drain and compacted
to a minimum of 90~ of AASHTO T -99 immediately after installation of
utilities or grading.
2. Recommended Seed Mixture: 80% PR 8820 Dwarf Perennial Ryegrass and
20~ Creeping Red Fescue, by weight. Application Rote shall be 100 pounds
minimum per acre.
3. Fertilizer shall be 12-16-8 with SO% of the nitrogen derived from UREA
FORMAlDEHYDE. and applied at a rate of 400 pounds per acre.
4. Seed and mulch at a rote of 2000 Ibs/ Ac with heavy bonding agent or netting
and anchors. Mulch sholl be a wood cellulose fiber or other material suitable
for hydromulchlng.
5. Temporary or Permanent Hydroseedlng or acceptable seeding and mulching
must be provided whenever perennial cover cannot be established on sites
which will be exposed for 60 days or more.
DA TUM NOTE:
ELEVA TIONS ARE BASED ON CITY OF SPRINGFIELD DATUM, BENCHMARK NO. 230,
SQUARE CHISELED IN THE TOP OF CURB A T THE SOUTH SIDE OF PARKER STREET
A T THE JUNCTION WJTH MARKET STREET. ELEVA T/ON: 459.20'.
ATTENTION: Oregon law requires you to follow the rules
adopted by the Oregon Utility Notification Center.
Those rules are set forth in OAR-952-001-0010 through
OAR-952-001-0090. You may obtain copies of the
rules by calling the center. (Note: the number for the
Oregon Utility Notification Center is (503) 232-1987).
REVISIONS BY
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DA TE JULY 2007
SCALE AS NOTED
DRAWN JEE
JOB SVA06-125
SHEET
4
OF 4 SHEETS