HomeMy WebLinkAboutApplication APPLICANT 5/9/2011
':City of Springfield
Development Services Department
225 Fifth Street
Springfield, OR 97477
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Land Division Tentative Plan
Partition, Subdivision
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Scott and Bonnie Williams
Phone: 541-521-2110
Fax:
Com an :
Address:
PO Box 2158, Jas er OR 97438
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A Iicant's Re .: Renee C10u , PE, PLS, AICP
Com an :
Phone: 541-746-0637
Fax:
541-746-0389
Address:
310 5thSt, S rin field OR 97477
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Owner: Scott and Bonnie Williams
Phone: 541-521-2110
Fax:
Com an
Address:
PO Box 2158, Jas er OR 97438
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ASSESSOR'S MAP NO: 17-02-31-24
Address: 475 35th St
TAX LOT NO S 11800
20,646 s .ft. = 0.47 ac
Pro osed Name of Subdivision: none chosen et
Acres 0 S uare Feet 0
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Description of
Pro osal:
Existin Use:
If you are filling in this form by hand, please attach your proposal description to this appiication.
Four lot subdivision as reviollsl submitted to the ci in ZON 2007-00037 and PRE2007-000n
Associated A
Pre-Sub Case No.: (7((
Date: '5 q I \
Reviewed b
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Case No.:
A Iication Fee:
Date:
Revised 2/17/11
.00
2Jlf{,. 00
5('dY CW AM
Technical Fee:
TOTAL FEES:
PRE-SUBM ~t.>NUMBER: PR.J"I/~ dODI 0
1 of 10
. Owner Signatures
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This application form is used for both the required pre-submittal meeting and subsequent
complete application submittal. Owner signatures are required at both stages in the application
process.
An application without the Owner's original signature will not be accepted.
Pre-Submittal
The undersigned acknowledges that the information in this application is correct and
accurate for scheduling of the Pre- Submittal Meeting. If the applicant is not the
owner, the owner hereby grants permission for the applicant to act in his/her behalf.
II. 0 reby cknowledge that Ijwe are legally responsible for all statutory
imeline r i equests and requirements conveyed to my representative.
Owner:
Date: ~-~ - /
Signature
Scott Williams
Print
Submittal
I represent this application to be complete for submittal to the City. Consistent with the completeness check
performed on this application at the Pre-Submittal Meeting, I affirm the information identified by the City as
necessary for processing the application is provided herein or the information will not be provided if not otherwise
contained within the submittal, and the City may begin processing the application with the information as
submitted. This statement serves as written notice pursuant to the requirements of ORS 227.178 pertaining to a
complete application.
Owner:
Date:
Signature
Scott Williams
Print
PRE.SUBMIlTAl REC'O
MAY 9 2011
Revised 2/17/11
2 of 10
. 'Land Division Tentative _bmittal Requirements checlist
NOTE:
. ALL of the following items MUST be submitted for BOTH Pre-Submittal and Submittal.
. If you feel an item on the list below does not apply to your specific application, please
state the reason why and attach the explanation to this form.
k8J Application Fee - refer to the Development Code Fee Schedule for the appropriate fee
calculation formula. A copy of the fee schedule is available at the Development Services
Department. Any applicable application, technology, and postage fees are collected at the
pre-submittal and submittal stages.
k8J Land Division Tentative Application Form
k8J Narrative explaining the purpose of the proposed development, the existing use of the
property, and any additional information that may have a bearing in determining the
action to be taken.
k8J Copy of the Deed
k8J Copy of a Preliminary Title Report issued within the past 30 days documenting
ownership and listing all encumbrances.
k8J Copy of the Land Division Plan Reduced to 81h"x 11", which will be mailed as part of
the required neighboring property notification packet.
D Right-of-Way Approach Permit Application provided where the property has frontage
on an Oregon Department of Transportation (ODOT) facility.
k8J Three (3) Copies of the Stormwater Management System Study with Completed
Storm water Scoping Sheet Attached - The plan, supporting calculations, and
documentation must be consistent with the Engineering Design Standards and Procedures
Manual.
D Three (3) Copies of the Traffic Impact Study prepared by a Traffic Engineer in
accordance with SDC 4.2-105 AA. Traffic Impact Studies (TIS) allow the City to analyze
and evaluate the traffic impacts and mitigation of a development on the City's
transportation system. In general, a TIS must explain how the traffic from a given
development affects the transportation system in terms of safety, traffic operations,
access and mobility, and immediate and adjoining street systems. A TIS must also
address, if needed, City, metro plan and state land use and transportation policies and
objectives.
k8J Seven (7) Copies of the Following Plan Sets for Pre-Submittal OR
Three (3) Copies of the Following Plan Sets:
k8J All of the following plans must include the scale appropriate to the area involved
and sufficient to show detail of the plan and related data, north arrow, and date of
preparation.
k8J All plan sets must be folded to 8W' by 11" and bound by rubber bands.
a. Site Assessment of Existing Conditions
k8J Prepared by an Oregon licensed Landscape Architect or EnginERRE.SUBMITTAl REC'O
k8J Vicinity Map MAY 9 2011
Revised 2/17/11
4 of 10
I2S] The name, location~d dimensions of all existing site 'tures including buildings,
curb cuts, trees, and impervious surface areas, clearly indicating what is remaining and
what is being removed. For existing structures to remain, also indicate present use
and required setbacks from proposed property lines.
I2S] The name, location, dimensions, direction of flow and top of bank of all watercourses
and required riparian setback that are shown on the Water Quality Limited Watercourse
Map on file in the Development Services Department
I2S] The lOa-year floodplain and floodway boundaries on the site, as specified in the latest
adopted FEMA Flood Insurance Rate Maps or FEMA approved Letter of Map Amendment
or Letter of Map Revision
I2S] The Time of Travel Zones, as specified in SDC 3.3-200 and delineated on the Wellhead
Protection Areas Map on file in the Development Services Department
I2S] Physical features including, but not limited to trees 5" in diameter or greater when
measured 4 V2 feet above the ground, significant clusters of trees and shrubs, riparian
areas, wetlands and rock outcroppings
I2S] Soil types and water table information as mapped and specified in the Soils Survey of
Lane County. A Geotechnical Report prepared by an Engineer must be submitted
concurrently if the Soils Survey indicates the proposed development area has unstable
soils and/or a high water table
b. Land Division Tentative Plan
I2S] Prepared by an Oregon licensed Land Surveyor
o City boundaries, the Urban Growth Boundary, and any special service district
boundaries or railroad right-of-way which cross or abut the proposed land division
I2S] Location and width of all existing and proposed easements on and abutting the
proposed land division
I2S] Boundaries of entire area owned by the property owner, of which the proposed land
division is a part, as well as dimensions and size of each parcel and the approximate
dimensions of each building site indicating the top and toe of cut and fill slopes to scale
I2S] Location and type of existing and proposed street lighting, including type, height, and
area of illumination
I2S] Location, widths, conditions, and names of all existing and proposed streets, alleys,
dedications or other right-of-ways within or adjacent to the proposed land division.
Proposed streets should also include approximate radius of curves and grades and
relationship to any projected streets as shown on the Metro Plan, TransPlan,
Conceptual Development Plan, or Conceptual Local Street Map.
I2S] Location of existing and required traffic control devices, fire hydrants, power poles,
transformers, neighborhood mailbox units and similar public facilities
I2S] Location and dimensions of existing and proposed driveways
o Location of existing and proposed transit facilities
I2S] Location and width of all existing and proposed sidewalks, sidewalk ramps, pedestrian
access ways and bike trails
o Location, size and type of plantings and street trees in any required planter strip
Revised 2/17/11
PRE-SUBMITTAL REC'O
50IMY 9 2011
[8J Location and size o.isting and proposed utilities on al adjacent to the site including
sanitary sewer mains, stormwater management systems, water mains, power, gas,
telephone, and cable TV. Indicate the proposed connection points
D The locations of all areas to be dedicated or reserved for public use, with the purpose,
condition or limitations of the reservations clearly indicated
D Future Development Plan where phasing or large lots/parcels are proposed as specified
in SDC 5.12-120 E.
c. Stormwater Management Plan
[8J Prepared by an Oregon licensed Civil Engineer
D Planting plan prepared by an Oregon licensed Landscape Architect where plants are
proposed as part of the stormwater management system
D Roof drainage patterns and discharge locations
[8J Pervious and impervious area drainage patterns
[8J The size and location of stormwater management systems components, including but
not limited to: drain lines, catch basins, dry wells and/or detention ponds; stormwater
quality measures; and natural drainageways to be retained
[8J Existing and proposed spot elevations and contours lines drawn at 1 foot intervals (for
land with a slope over 10 percent, the contour lines may be at 5 foot intervals)
[8J Amount of proposed cut and fill
D Additional Materials That May be Required
IT IS THE APPLICANT'S RESPONSIBILITY TO DETERMINE IF ADDITIONAL
STANDARDS/APPLICATIONS APPLY TO THE PROPOSED DEVELOPMENT. THE
APPLICANT SHOULD CONSIDER UTILIZING PRE-DEVELOPMENT MEETINGS AS
DISCUSSED IN SDC 5.1-120:
D Proposed deed restrictions and a draft of any Homeowner's Association Agreement
D Additional plans and documentation for submittal of a Cluster Subdivision proposal
as specified in SDC 3.2-230
D Riparian Area Protection Report for properties located within 150 feet of the top of
bank of any Water Quality Limited Watercourses (WQLW) or within 100 feet of the
top of bank of any direct tributaries of WQLW
D A Geotechnical Report prepared by an engineer must be submitted concurrently if
there are unstable soils and/or a high water table present
D Where the development area is within an overlay district, address the
additional standards of the overlay district
D If five or more trees are proposed to be removed, a Tree Felling Permit as specified
in SDC 5.19-100
D A wetland delineation approved by the Oregon Division of State Lands must be
submitted concurrently where there is a wetland on the property
D Any required federal or state permit must be submitted concurrently or evidence
the permit application has been submitted for review
D Where any grading, filling or excavating is proposed with the development, a Land
and Drainage Alteration permit must be submitted prior to de~~lrrAL REC'D
Revised 2/17/11 6 of 1MAY 9 2011
Where apPIiCabl~ny Discretionary Use or Varianc~ specified in SDC 5.9-100
and 5.21-100
o An Annexation application, as specified in SDC 5.7-100, where a development is
proposed outside of the city limits but within the City's urban service area and can
be served by sanitary sewer
o All public improvements proposed to be installed and to include the approximate
time of installation and method of financing
o
PRE-SUBMllTAL REC'O
MAY 9 2011
Revised 2/17/11
7 of 10
spr_map Page 1 of 1
PRE11-00010 Pre-&mittal Meeting (SUbdivlon Tentative) Scott
Williams 17-02-31-24 TL 11800
iH ST
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PRE.SUBMITfAL REC'O
MAY 9 2011
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1651 Centennial Blvd.. Springfield, OR 97477
P.O. Box 931 . Springfield, OR 97477
Phone: 541,741.1981
Fax: 541.741.0619
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TITLE INSURANCE SERVICES. ESCROW CLOSINGS
625 Country Club Rd . Eugene, OR 97401
P.O. Box 10211 . Eugene, OR 97440
Phone: 541.687.9794
Fax: 541.687.0924
December 27, 2010
Order No. 10-3863
PRELIMINARY TITLE REPORT
Evergreen Land Title Company
1651 Centennial Boulevard
Springfield, OR 97477
Attn: Ken Boyst
e-mail:
ken boyst@evergreenlandtitle.com
Estimated Premium for:
$72,000.00 Owners Policy
$366.00
AL TA Standard MTG N/A
Dear Ken Boyst
Endorsements (AL T A 9, 116, 8.1)
Addtl Endorsements'
Additional Chain
Gov't Service Fee
Breakout Fee: Evergreen Land Title - 90%
Underwriter - 10%
$15.00
TOTAL
$381.00
We are prepared to issue on request and on recording of the appropriate documents, a policy or policies
as applied for, with coverage's as indicated, based on this preliminary report
LEGAL DESCRIPTION:
SEE EXHIBIT "A" ATTACHED HERETO
Showing fee simple title as of December 17, 2010, at 8:00 a.m., vested in:
WHOLE LOAN TRUST 2010 LLC
Subject only to the exceptions shown herein and to the terms, conditions and exceptions contained in the
policy form. No liability is assumed until a full premium has been paid.
PRE.SUBMITTAL RECIO
MAY 9 2011
Order No.: 10-3863
Page 1 of 4
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SCHEDULE B
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GENERAL EXCEPTIONS
1. Taxes or assessments which are not shown as existing liens by the records of any taxing authority
that levies taxes or assessments on real property or by the public records; proceedings by a
public agency which may result in taxes or assessments, or notices of such proceedings, whether
or not shown by the records of such agency or by the public records.
2. Facts, rights, interests or claims which are not shown by the public records but which could be
ascertained by an inspection of the land or by making inquiry of persons in possession thereof.
3. Easements, or claims.of easement, not shown by the public records; reservations or exceptions in
patents or in Acts authorizing the issuance thereof; water rights, claims or title to water.
4. Discrepancies, conflicts in boundary lines, shortage in area, encroachments or other facts which a
correct survey would disclose.
5. Any lien, or right to a lien, for services, labor, material, equipment rental or workers compensation
heretofore or hereafter furnished, imposed by law and not shown by the public records.
CURRENT EXCEPTIONS:
6. Easement for Construction, Reconstruction and Maintenance of Public Utilities and access to
same, granted to the City of Springfield, a municipal corporation, in Lane County, Oregon,
including the terms and provisions thereof, by instrument Recorded March 14, 1963, Reception
Nos. 3049, 3050 and 3051, Lane County Oregon Records. (Affects the Easterly 14.0 feet)
7. 'Easernent for Construdion, Reconstruction and Maintenance of a Storm Sewer and access to
same, granted to the City of Springfield, a municipal corporation, in Lane County, Oregon,
including the terms and provisions thereof, by instrument Recorded October 5, 1967, Reception
No. 608, Lane County Oregon Records. (Affects the Southerly 7.0 feet)
8. Easement for Construction, Reconstruction and Maintenance of Public Utilities and access to
same, granted to the City of Springfield, a municipal corporation, in Lane County, Oregon,
including the terms and provisions thereof, by instrument Recorded August 17, 1979, Reception
No. 79-49411, Lane County Oregon Records. (Affects the Westerly 5.0 feet)
9. Deed of Trust, including the terms and provisions thereof, executed by Gerardo Casarez, as
Grantor(s), to Evergreen Land Title Company, as Trustee, for the benefit of Juan I. Salinas and
Mary F. Salinas, husband and wife, as Beneficiary, Dated April 24, 2007, Recorded May 8, 2007,
Reception No. 2007-030974, Official Records of Lane County, Oregon, given to secure payment
of a Note for $25,307.47.
NOTE: Evergreen Land Title Company finds no record that the beneficiary received notice of
the foreclosure proceedings.
10. Any encroachments, unrecorded easements, violations of conditions, covenants and restrictions,
and any other matters which would be disclosed by a correct survey.
11. Proof that there are no parties in possession, or claiming to be in other than above vestees.
12/ Any statutory liens for labor or material, which have now gained or hereafter may gain over the
lien of the insured mortgage, which liens do not now appear of record.
NOTE: Taxes, Map No. 17-02-31-24-11800, Code 19-00, Account No. 0120632, 2010-2011,
$1,354.40, paid in full.
Order No.: 10-3863
Page 2 of 4
PRE.SUBMIlTAL REC'D
MAY 9 2011
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NOTE
97478.
The addres! the property to be insured herein is: 47!th Street, Sprrngfield, OR
NOTE: A Judgment/Lien/Bankruptcy Search was done for the name(s) WHOLE LOAN TRUST
2010 LLC AND SCOTT WILLIAMS, and as of December 17, 2010, none were found.
NOTE: As of December 17, 2010, there are no liens for the City of Springfield.
INFORMATIONAL NOTE EVERGREEN LAND TITLE COMPANY FINDS NO NOTICE OF
RESCISSION RECORDED IN THE LAST 24 MONTHS.
Very truly yours,
EVERGREEN LAND TITLE COMPANY
HOME OFFICE
By:
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(1/; / ,~
Jeffrey K. Walker
Advisory Title Officer
(lJc~~f/-<-.
cc:
Oregon Real Estate Services - Dennis Harlow
cc: Hearthstone Real Estate - Isaac Judd
cc: Scott Williams
NO LIABILITY IS ASSUMED HEREUNDER UNTIL POLICY IS ISSUED AND PREMIUM PAID. IF FOR
ANY REASON THE REPORT IS CANCELLED, A MINIMUM CANCELLATION FEE OF $200.00 WILL BE
CHARGED.
Order No.: 10-3863
Page 3 of 4
PRE.SUBMIITAL REC'D
MAY 9 2011
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EXHIBIT "A"
LEGAL DESCRIPTION
Beginning at a point 281 feet South of the Northeast corner of Block 1, PACKER SUBDIVISION, as
platted and recorded in Book 11, Page 25, Lane County Oregon Plat Records; running thence West
parallel with the North line of said Block 1, a distance of 279.3 feet; thence South parallel with the North
line of said Block 1, a distance of 74 feet; thence East parallel with the North line of Block 1, a distance of
279.3 feet; thence North along the East line of Block 1, a distance of 74 feet to the Point of Beginning, in
Lane County, Oregon.
PRE.SUBMITTAl RECIO
MAY 9 2011
Order No.: 10-3863
Page 4 of 4
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WRITTEN STATEMENT
FOR THE
SCOTT AND BONNIE WILLIAMS TENTATIVE SUBDIVISION APPLICATION
This application is a proposal to subdivide the property at 475 35th Street (Map 17-02-31-
24, Tax Lot 11800) into four lots. This proposal has been submitted to the city by a previous
property owner, Jerry Casarez, through a Development Issues Meeting (lON 2007-00037) and a
subdivision Pre-Submittal Meeting (PRE 2007-00072).
Currently, the site is developed with a single-family house on Lot 1; this residence and
attached deck are to remain. However, the driveway will be relocated directly in front of the
structure it serves, not at an angle, to allow adequate space for the proposed 20' driveway. The
fence along the existing driveway will be removed or relocated. In conformance with the Low
Density Residential classification of the site and surrounding properties, all lots will be
developed with single-family residences. It is not necessary to dedicate any land to the city.
Since 35th Street is fully improved, no off-site improvements are necessary now or in the
future. We anticipate removal of one tree will occur during building construction on Lot 2. The
Irrevocable Private Joint Use Access Easement will be 21' wide and will meet fire code. No fire
turnaround is required since proposed Lot 4 will be deed restricted so that all permanent
structures must be equipped with an internal sprinkler system as noted on the tentative
subdivision map. A Joint Utility Trench along the proposed driveway will connect sewer, storm,
water, cable, telecommunications, and power to Lots 2 through 4. The existing residential
structure will continue to receive utility service directly from 35th Street. Overhead power
located at the Northeast comer currently servicing the existing dwelling will need to be relocated
underground. The guy wire will need to be moved during construction of the driveway.
A final decision on the stormwater treatment method has not been made yet. This
application includes the sand filter that was designed as part ofthe previous subdivision pre-
submittal process as evidence that at least one treatment method is feasible. A different system,
most likely a filtration catch basin, may be installed at the time of construction. It is understood
that any change in treatment method will need to be designed in accordance with City of
Springfield standards.
The Lane County Soil Survey shows the site as having Awbrig-Urban Land Complex (6).
Permeability of this A wbrig soil is very slow. The Soil Survey indicates that a high water table
is a depth of 0 to 12 inches from November to May. The existing houses in the neighborhood
and the house on site were not recently constructed and none of these houses show indications of
adverse impacts from the soil. For this reason, no Geotechnical Report was obtained.
This project does not require any additional planning applications.
PRE.SUBMllTAl REC'D
MAY 9 2011
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.t _ 10/3,012007 11:00 FAX 541 73~21
i .
CITY OF SPRINGFIELD PW ...
SPAlNCPlRLD
~002
PUBUC WORKS DEPARTMENT / Engineering Division
Fax: (541) 736-1021
STORMWATER MANAGEMENT SYSTEM SCOPE OF WORK
.,~~~l~r~jj'~~~;lill]ni ,to#attj~~;~;~f!~~Pi:r~:::~:::fit:!/ii~~~~}~i~)l;t~~~~]:,#~~~~~1i;:J;~;;l"
Project Name: Casarez Subdivision Applicant: Jerrv Subdivision
Assessors Parcel #: ]7-02-31-24, Jl800 Date: 10/29/07
Lanel Use(s): Low beosity Residential Phone #: (541) 741-872]
Project Size (AettS): 0.48 Fax #: (541) 747-5401
!'-;1~~~~'~~~1~_~~_".~?,.~{6X1,_,.."~"~~,~~........","'"'''''~~-~~~''~!''~";'';'';''''''''''~''''"'''''''''''t'"','"',"","',',',,",,,,',"","""",,,'',,,.',,'"" """" 'J""
; "",,1.,."~:: ~.' ,:.,: 'i~i, "':l~~ ~~:.. "~,,t , t'"!! 'i"i1~~~"! ':"!!' ,~.",. _h' .. I ,', . ,,,.. ,,~,.r.,..,~. ..., ". .....'.,~"H~.~,'" ,~.,. ,. L'I""""'~'" ,,_ ..~ '1';,_",,_"
.'.n 1....'...;_ , ,,'''''" ~..., ..., ..l" , .1 , . ....,0 ." ,,~'" "~.' o~. ,,0 '.'1 01'1 , ~ '010. "
Project Deseription (Include a copy of Assessor's map): A private drive is proposed for a four Jot residential
subdivision. One lot exists and three more are proposed.
Drainage Proposal (Public connection(s), discharge location(s), etc. Attach additional sheet(s) ifnecessary:
The four lots along the proposed private drive win drain into an existing 36" storm line. The proposed BMPs to treat the
runoff from the private drive will be through a sand filtel:ed storm drain,
Pmposecl Stormwatet Best Management Prnctices: See AUachedP1an
,!:!;1iii;~\lj~~E;~'~:~i!~i'~;';'~~j!~~:;E~5f;{~~;fi~1t~!r~~=&!t!f~E~~l~(~:~,j'Wi::";\[f;,',!)
DnwaIlc Study Type CEDSPM Section 4.03.2): /Note. UlI may be substih.ted foX" Rational Metbod)
iiI Small Site Study - (use Rational Method for calculations)
o Mid-Level Development Study - (use Unit Hydrograph Method for calculations)
o Full Drainage Development Study - (use Unit Hydrograph Method for calculations)
Environmental Considerations:
. Wellhead Zone: $-10 '1f;,A1-. '/~,; IL'Ml.
III Wetland/Riparian: J}/.It
fJJ Soil Type: fc - Aw ~J li("'- ^, l..~
Downstream Analysis: ~'
W N/A
o Flow line for starting water surface elevation:
o Design HGL to use fa)' starting water surfuceelevation:
o Manhole/Junction to take analysis to:
m Hillside Development: ,.v~
iii FloodwaylFloodplain: l1~,
.. Other 1urisdictions: -
Return to Matt Stouder (/il Cltv of S ekl. emaiI: mstoudertliici.s
-eld.or.us FAX: (541) 736-1021
Revised 12/412006 Brenda Jones
PRE.SUBMITTAl REC'O
MAY 9 2011
.<'
I i
I I
I
I
10/30/2007 11:00 FAX 541 736 1021
.
C01.\1PLETE STUDY ITEMS I, ~",btij,i8Jll,i__Q;,ji::i~:i
" Based upon the informalion pravided on the front of this shee~ the following represents a minimum of what is needed for an
application to be complete for submittal with respect to drainage; however. this list should not b. u.sed in lieu of the Springfield
Development Code (SDC) or the City's Engineering De.dgn Manual Compliance with these requiremws does not constitute site
appraval; Additional site specific information may be required. Note: Upon sea ping sheet 5wmittal, ensure completedfonn has
been signed in the space pravided below:
CITY OF SPRINGFIELD PW
141003
-.......
.
'.n
...
Interim Design Standar1blWatcr Quality (EDSPM Chapter 3)
Req'd lV/A
II 0 AU non-building rooftop (NBR) imperviollS surfaces shall be pre-treated (e.g. muJu-chambered catchbasln w/oil
filtratioll media) for stonnwalet quality. Additionally, a minimUltJ of 50% of the NBR impervious surface shall be
treated by vegetated methods.. .
-iii 0 Where tequired, vegetative siormwater design shall be consistent with interim design slimdards (EDSPM Section 3.02),
set forth by lbe Bureau of Environmental Services (BES) or Clean Water Services (CWS).
t.r 0 For new NBR impervious areal... than 15,000 square feet, a simplified design appro""h may be foHowed as specified
by the BES for vegetative treaimenL
o 'ill If a slotltJwalet treatment swale i. proposed, submit calculations/specifications for sizing, velocity, flow, side slopes,
bottom ,jope, and seed lIli>: consistent with eithOt' BES or CWS requirements.
D ~ Water Quality calculations as required in Seaion 3.03.1 of the EDSPM
o ~ AU building rooftop mounted equipment, or other fluid containing equipment located outside of the building, shall
be provided with secondary containment or weather resistant encloSure.
General Study Requirements (EDSl'M Section 4.03)
iiI. 0 Drainage study prepared by a Professional Civil Engineer licensed in the stale of Oregon.
o f!j A COmplete drainage study, as required m EDSPM Section 4.03.1, including a hydrological study map.
e 0 Calculations: showi..ng system CEpacity for a 2."year storm eYe-Lit and overflow etfects of a 25~year storm event.
!II 0 The time of concentration (Tc) shall be determined using a 10 minute start time for developed basins.
Review ofDoWllStream System (EDSPJII[ Section 4.03.4.C)
o ill A do"nstream drainage analysis as descnbed in EDSPM Section 4.03.4.C. On.site drainage shall be governed by the
Oregon Plumbing Specialty Code (OPSe). .
o ~ Elevations of the HGL and flow lines for both city and priVil!e sy.1ems where applicable.
Design of Storm System. (EDSPM Section 4.04)
a 0 Flow lines, slopes. rim elevations, pipe type and sizes clearly indicated on the plan set
Q Ii. Minimum pipe cover shall be 18 inches for reinforCed pipe and 36 inches for plain concrete and plastic pipe materials,
or proper engineering calculations shall be provided when less_The COVer shall be sufficient to support an 80,000 Ib
load without failure of the pipe structure.
D fi Manning's "n" values for pipes shall be consistent with Table 4-1 of the EDSP. All storm pipes shall be designed to
achieve a minimum velocity oftlJree (3) feet per second at 05 pipe full besed on Table 4-1 as welL
OtberlMis<
til 0 Existing and proposed cOlltOurs, located at one fOOt interval. Include spot elevations and site grades showin!: how site
drains .
" 0 Private stonnwater easements shall be clearly depicted on plans when private slormwater flows from one property to
another
o ~ Dtywells shall not receive runofffrom any surface wlo bein!: treated by one Ot more BMPs, with. the exception of
residential building roofs (EDSP Section 3.0HA). AdditiOllal provisions apply tu this as required by the DEQ. Refer
to tbe website: WW'W.dea.state.oLll-';/wa/groundwaluichome.hcm for morc information.
o Ii Detention ponds shall be designed to limit runoff to pre-development rates for the 2 through 25-year Storm events
'This form $hall be inclulletlllS an Illr4Ch""",~ inside the front covef, of the stomrwll!er study
1':'.:,::,:'"::.(.:.....
," "_',__....' ..'.'....H
., . : " ,,' "", . t " .
"lMl'ORTANT:ENGnvEER PLEASEREADjiEiOW~SIGlVi
. . - " " ,..," -, .
. '. - "1
. -.1 I
-:.:;, ':
" ,
As lbe engineer of r7d, I hereby ceri:ity the above required itexns are Complete and included with the submitted stormwater
study and plan set . 1 ~
Signature: ~~. r,' Date: / I~ (, d d7
4
Revised lil4~006 B=da Jones PRE.SUBMITTAl RECiO
MAY 9 2011
".
}
.
.
.,.,.","","",",,,...,,.,.
STORMWATER
MANAGEMENT PLAN AND
DRAINAGE STUDY
FOR
SCOTT AND BONNIE WILLIAMS
SUBDIVISION
Springfield, OR
."'.'""",..",'^"",
April 26, 2011
Prepared For:
Scott and Bonnie Williams
PO Box 2158
Jasper, Oregon 97438
Branch Engineering, Inc.
310 5th Street
Springfield, OR 97477
Phone (541) 746-0637
Fax (541) 746-0389
-',-,,,,,,,,,,-,.,. ,
Inc.
PROJECT # 11-065
PRE-SUBMITTAL RECIO
MAY 9 2011
.
. Storm Droinoge Evaluation
Scott ond Bonnie Williams 5ubdivsion
STORM DRAINAGE EVALUATION
Scott and Bonnie Williams Subdivision
SPRINGFIELD, OREGON
This evaluation was prepared to summarize the drainage system proposed with the Scott
and Bonnie Williams Subdivision (See Appendix A). The site is located at 475 35th
Street in Springfield, Oregon (Tax Map: 17-02-31-24, Tax Lot: 11800). The site storm
water design includes a sand filter and piping.
Existing Conditions
The lot is currently 0.48 acres with 2,066 square feet of impervious area. The impervious
area includes the driveway, house and deck. The lot is proposed to be partitioned into a
total of 4 lots with the existing structure to remain. Runoff from the structure drains to the
surrounding landscape (See Appendix A for Existing Conditions Site Maps). According
to the Soils Survey of Lane County. Oregon. by the Natural Resource Conservation
Service, the soil at the site is Awbrig-Urban Land Complex (6). This soil is poor draining
and has a high water table (Appendix B for Soil Information).
Proposed Drainage System
The proposed three new lots will share a driveway that accesses 35th Street. The runoff
from the driveway will be treated with a sand filter (See Appendix C for Drainage Basin
Map). The sand filter will be located on the southern side of the driveway near 35th
Street. The sand filter will both infiltrate the runoff and convey runoff to the City of
Springfield municipal stormwater system during the water quality storm event. Larger
storm events will be captured by the emergency overflow drain and piped to an existing
manhole located near the southwest corner of the subdivision (See Appendix A for
Tentative Subdivision for Scott and Bonnie Williams).
The sand filter is sized for the water quality storm event (0.83 in/24 hr) and the
emergency overflow pipe was sized for the 25-year storm event (4.8 in/24 hr). The depth
of water in the sand filter during the water quality storm event was modeled with an
infiltration pond model. Since the sand filter is 2.17 feet deep and the percent void spaces
for sand and gravel is 33 percent, the depth of material in the sand filter was divided by
three to model the sand filter as an infiltration pond (See Appendix D for Sand Filter
Detail). As water percolates through the sand filter a portion of the water will infiltrate
into the ground and a portion will be captured by the perforated pipe on the bottom of the
sand filter. The perforated pipe is needed due to the limited permeability of the soil (See
Appendix B for Soil Information).
The depth of water in the sand filter during the water quality storm event is 1.9 feet (See
Appendix E for Sand Filter Calculations). A depth of 1.9 feet in the sand filter provides a
free board of 0.3 feet. The minimum pipe diameter needed to convey the entire driveway
during the 25-year storm event is 0.49 feet, therefore, a 6 inch diameter pipe is proposed
(See Appendix F for 25- Year Pipe Capacity Calculations).
PRE.SUBMITTAl RECIO
MAY 9 2011
Branch Engineering, Inc. - Page 1
_:..r__-
'.
.
.
APPENDIX A
PRE.SUBMITIAl REC'O
MAY 9 2011
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3 TOTAL POROSITY
3.1 DEFINITION
The total porosity of a porous medium is the ratio of the pore volume to the total volume of a
representative sample of the medium. Assuming that the soil system is composed of three phases -- solid,
liquid (water), and gas (air) -- where Vs is the volume of the solid phase, VI is the volume of the liquid
phase, Vg is the volume of the gaseous phase, Vp = VI + Vg is the volume of the pores, and
Vt = Vs + VI + Vg is the total volume of the sample, then the total porosity of the soil sample,pt, is
defmed as follows:
= Vp =
P,
V,
Vi t Vg
VtV/tV
, g
(3.1)
Porosity is a dimensionless quantity and can be reported either as a decimal fraction or as a percentage.
Table 3.1 lists representative total porosity ranges for various geologic materials. 1\ more detailed list of
representative porosity values (total and effective porosities) is provided in Table 3.2. In general, total
porosity values for unconsolidated materials lie in the range of 0.25-0. 7 (25%-70%). Coarse-textured soil
materials such as gravel and sand tend to have a lower total porosity than fme-textured soils such as silts
and clays. The total porosity in soils is not a constant quantity because the soil, particularly clayey soil,
alternately swells, shrinks, compacts, and cracks.
. .. - - -..~~-_.
ITABLE 3.1 Range of Porosity Values .
I Soil Type I Porosity,pt
u
Unconsolidated
deposits
IGravel I 0.25 - 0.40
... -
I Sand I 0.25 - 0.50
. _.....
I Silt I 0.35 - 0.50
--
IClay I 0.40 - 0.70
IRocks .
IFractured basalt I 0.05 - 0.50
- - . -..."...
IKarst lim.estone I 0.05 - 0.50
. .. on .....n _.__
I~a~dstone. I 0.05 - 0.30
ILimestone, dolomiteq I _ .a'" ---....---.
0.00 - 0.20 i
. ..._,. . . . . - . --..--
IShale . I 0.00 - 0.1 0
.. '."."
Fractured crystalline .1 0.00 - 0.1 0
. rock
IDense crys~alline rock .. ..
I 0.00 - 0.05
ISource: Freeze and Cherry (1979).
PRE.SUBMITTAL REC'O
MAY 9 2011
of!
4/28/20] 1 10:55 AM
.
.
APPENDIX C
PRE-SUBMITTAL REC'O
MAY 9 201l
.
.
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APPENDIX D
PRE-SUBMITTAL REC'O
MAY 9 2011
.
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PRE.SUBMITTAl REC'O
MAY 9 2011
.
.
APPENDIX E
PRE-SUBMITTAL REC'O
MAY 9 2011
sand. Calculations For Water Quality Storm -at
ft ft Mt
Runoff Araa A(<tIId~"l" 3,951 L.<"",..IOIIlD')- 90 " 0.016 , 0.02 eN 98
SoillnflJtratlon Rate 10.0 inlt1r 2.3E-04 IV' inches
- Dimension 1 WQ STORM EVENT 0.83 IN124Hr Actual
E sldesJo ex;1 0 MAX(ft}
" TopWidth ft 3 bottom width 3 Max Pond De lh ft 0.72
N Dimension 2
E sldeslo ex:1 0
" Top Width ft) 8 bottom width 8
0.621
(l' f2, (3) (4) f5, f6' (7) f8' (9' (1D) (11) (11b) (12)
Storm Jncremental Incremental Cumulative Horizontal "" Inflow. Incremental Stored Cumulative Cumulative """
Time Runoff lotlow Depth Depth Wetted area Outflow Outflow Inflow- Volume Depth Depth Allowable
v~~me Increase Increase Outflow Depth
Iminl """ 1ft 1ft 11', (efs' Idsl len left 'inl {ft,
300.00 0.00 1.69 0,07 1.41 24.00 0.01 0.00 -1.64 0.00 0.00 0.00 0.72
310.00 0.00 1.69 0,07 1.49 24.00 0.01 0.00 -1.64 0.00 0.00 0.00 0.72
320.00 0.00 1.69 0.07 1.56 24.00 0.01 0.00 -1.64 0.00 0.00 000 0.72
330.00 0.00 1.69 0.07 1.63 24.00 0.01 0.00 -1.64 0.00 0.00 0.00 0.72
340.00 0.00 1.69 0.07 1.70 24.00 0.01 0.00 -1.64 0,00 0.00 000 0.72
350.00 0.00 1.98 0.08 1.78 24.00 0.01 0.00 -1.37 0.00 0.00 000 0.72
360.00 0.00 1.96 0.08 1.86 24.00 0,01 0.00 -1.37 0.00 000 000 0.72
370.00 0.00 1.96 0.08 1.94 24.00 0.01 000 -1.37 0.00 0.00 000 0.72
380.00 0.00 1.96 0.08 2.02 24,00 0.01 0.00 -1.37 0.00 0.00 000 0.72
390.00 0.00 1.96 0.08 2.11 24,00 0,01 0.00 -1.37 0.00 0.00 000 0.72
400,00 0.00 1.98 0.08 2.19 24.00 0,01 000 -1.37 0.00 0.00 000 0.72
410.00 0.00 2.n 0.12 2.30 24,00 0,01 0.00 -0.57 0,00 0.00 0.00 0.72
420.00 0.00 2.77 0.12 2.42 24,00 0.01 0.00 .0.57 0.00 0.00 0.00 0.72
430,00 0.00 2n 0.12 2.53 24,00 0,01 0.00 -0.57 0.00 0.00 0,00 0.72
440,00 0.01 3.72 0.15 2.69 24,00 0.01 0.00 0.38 0.38 0.19 0,02 0.72
450.00 0.01 3.72 0.15 2.84 24.00 0.01 0.00 0.38 0.77 0.38 0.03 0.72
460,00 0.01 7.02 0.29 3.14 24,00 0.01 0.01 3.69 4.46 2.23 0.19 0.72
470.00 0.02 11.15 0.46 3.60 24.00 0.01 0,01 7.82 12.27 6.14 0.51 0.72
480.00 0.01 5.58 0.23 3.83 24.00 0.01 000 2.24 14.52 7.25 0.50 0.72
490.00 0.01 3.72 0.15 3.99 24.00 0.01 0.00 0.38 14.90 7.45 0,62 0.72
500.00 0.00 2.77 0.12 4.10 24.00 0.01 000 -0.57 14,33 7.17 0.60 0.72
510.00 0.00 2.77 0.12 4.22 24.00 0.01 0.00 -0.57 13,77 5.88 0,57 0.72
520.00 0.00 2.77 0.12 4,33 24.00 0.01 000 -0.57 13,20 6,60 0.55 0.72
530.00 0.00 1.82 0.08 4.41 2400 0.01 0,00 -1.52 11.68 5,84 0.49 0.72
540.00 0.00 1.82 0.08 4.48 24.00 0.01 000 -1.52 10.17 5,08 0.42 0.72
550.00 0.00 1.82 0.08 4.56 24.00 0.01 0.00 -1.52 8.65 4,33 0.36 0.72
560.00 0.00 1,82 0.08 4.64 24.00 0.01 0.00 -1.52 7.14 3,57 0.30 0.72
570.00 0.00 1.82 0.08 4.71 24.00 0.01 0.00 -1.52 5.62 2.81 0.23 0.72
580.00 0.00 1.82 0.08 4.79 24.00 0.01 0.00 -1,52 4.10 2.05 0.17 0.72
590.00 0.00 1.82 0.08 4.86 24.00 0.01 0,00 -1.52 2.59 1.29 0.11 0.72
600,00 0.00 1.82 0.08 4.94 24.00 0.01 0,00 -1.52 1.07 0.54 0.04 0.72
>om 0.00
Maximum Depth"
0.62
(O,
Maximum Runoff.
0.019 Icfs)
Depth of Water in Sand Filter
During Water Quality Storm Event
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
0.00
..
'\
~Water Depth I--
~ Top of Sand Filter
. ,
- ,
500.00 1000.00
Time (Minutes)
1500.00
'"
-
0:::
-
J::
-
0..
Q)
C
* Since the depth of sand and gravel in the sand filter was 2.17 feet and the porosity for gravel and sand is 33 percent, the depth
was divided by 3 to model the infiltration of runoff through the sand filter as an infiltration pond. To determine the depth of water
in the sand filter, multiply the depth in the graph above by 3. PRE.SUBMIITAl REC'O
MAY 9 2011
.
.
APPENDIX F
PRE.SUBMITTAL REC'O
MAY 9 2011
.
.
Sand Filter Infiltration Basin Minimum Emergency Overflow Pipe Diameter
During 25-Year Storm Event
Client: Scott and Bonnie Williams
Job Number: 11-065
Project: Scott & Bonnie Williams Subdiv.
Location: Springfield, OR
SANTA BARBARA UNIT HYDROGRAPH METHOD
Input Data
Pervious Area
PerVious CN
Impervious Area
Impervious CN
Drainage Area
25-Year Storm Event
Time of Cone.
o ac
N/A (-)
0.09 ac
98 (-)
0.09 ac
4.80 in/24 hr
10.0 min (Assumed)
Computed Results
Maximum Runoff
0.10 cfs
HAESTED METHOD'S FLOWMASTER
Input Data
Slope
Manning's n
Discharge
0.005
0.011
0.019
ftlft
(-)
cfs
Computed Results
Diameter 0.28 ft
Depth 0.28 ft
Velocity 1.62 ftls
Flow Area 0.06 sf
Critical Slope 0.0082 tuft
Critical Depth 0.19 ft
Percent Full 100 %
Froude Number Full (-)
Full Capacity 0.1 cfs
Qmax@0.94D 0.11 cfs
J
PRE.SUBMITTAl REC'O
MAY 9 2011
4/28/2011
11:08AM
Z:\2011\11-065 Williams subdivisionlTentativelstorm reportlEmergency Overflow Capacity.xls
.
.
MINIMUM PIPE DIAMETER CALCULATION TO CONVEY RUNOFF FROM ENTIRE SITE DURING 25-
YEAR STORM EVENT
Client: Scott and Bonnie Williams
Job Number: 11-065
Project: Scott & Bonnie Subdiv.
Location: Springfield, OR
SANTA BARBARA UNIT HYDROGRAPH METHOD
Input Data
Pervious Area
Pervious CN
Impervious Area
Impervious CN
Total Site Area
25-Year Storm Event
Time of Cone.
0.20 ac
80 (-)
0.28 ac
98 (-)
0.48 ac
4.80 in/24 hr
10.0 min (Assumed)
Computed Results
Maximum Runoff
0.45 cfs
HAESTED METHOD'S FLOWMASTER
Input Data
Slope
Manning's n
Discharge
0.005
0.011
0.45
fllft
(-)
cfs
Computed Results
Diameter 0.49 ft
Depth 0.49 ft
Velocity 2.36 flls
Flow Area 0.19 sf
Critical Slope 00072 fllft
Critical Depth 0.34 ft
Percent Full 100 %
Froude Number Full (-)
Full Capacity 0.45 cfs
Qmax @0.94D 0.48 cfs
PRE.5UBMIlTAL REC'O
MAY 9 2011
4/28/2011
11:08AM
Z:\2011111-065 Williams subdivisionlTentativelstorm reportlSite Pipe Capacity. xis
;
/ Division or
Lane Counly
.
Ch~ Depuly Clerk
Deeds and Records
2~11.~~2~~1 ~
$42,00
g
~~S
~m~
t!~~5
Iz~~
iiil
After recording return to: (Name, Address, Zip)
SCOTT WilLIAMS
P.O. BOX 2158
JASPER, OR 97438
Until requested otherwise, send all tax statements to:
SCOTT WILLIAMS
P.O. BOX 2158
JASPER, OR 97438
ORDER NO. 10-3863
1111111111111111111111111111111111111111111111111
01199327201100020870010017
01/12/2011 11:51:56 AM
RPR-DEED Cnl=1 Sln=6 CASHIER 04
$5.00 $11.00 $16.00 $10.00
Space Above Reserved for Recorder's Use
. STATUTORY BARGAIN AND SALE DEED
SCOTT WILLIAMS, Grantor, conveys to SCOTT WILLIAMS and BONNIE R. WILLIAMS husband and
wife, Grantees, the following described real property situated in lane County, State of Oregon, to wit:
Beginning at a point 281 feet South of the Northeast corner of Block 1, PACKER SUBDIVISION, as
platted and recorded in Book 11, Page 25, Lane County Oregon Plat Records: running thence West
parallel with the North line of said Block 1, a distance of 279.3 feet; thence South parallel with the North
line of said Block 1, a distance of 74 feet; thence East parallel with the North line of Block 1, a distance of
279.3 feet; thence North along the East line of Block 1, a distance of 74 feet to the Point of Beginning, in
Lane County, Oregon.
BEFORE SIGNING OR ACCEPTING THIS INSTRUMENT, THE PERSON TRANSFERRING FEE TITLE SHOULD INQUIRE
ABOUT THE PERSON'S RIGHTS, IF ANY, UNDER ORS 195.300, 195.301 AND 195.305 TO 195.335 AND SECTIONS 5 TO 11,
CHAPTER 424, OREGON LAWS 2007, AND SECTIONS 2 TO 9 AND 17, CHAPTER 855, OREGON LAWS 2009. THIS
INSTRUMENT DOES NOT ALLOW USE OF THE PROPERTY DESCRIBED IN THIS INSTRUMENT IN VIOLATION OF
APPLICABLE LAND USE LAWS AND REGULATIONS. BEFORE SIGNING OR ACCEPTING THIS INSTRUMENT, THE
PERSON ACQUIRING FEE TITLE TO THE PROPERTY SHOULD CHECK WITH THE APPROPRIATE CITY OR COUNTY
PLANNING DEPARTMENT TO VERIFY THAT THE UNIT OF LAND BEING TRANSFERRED IS A LAWFULLY ESTABLISHED
LOT OR PARCEL, AS DEFINED IN ORS 92.010 OR 215.010, TO VERIFY THE APPROVED USES OF mE LOT OR PARCEL,
TO DETERMINE ANY LIMITS ON LAWSUITS AGAINST FARMING OR FOREST PRACTICES, AS DEFINED IN ORS 30.930
AND TO INQUIRE ABOUT THE RIGHTS OF NEIGHBORING PROPERTY OWNERS, IF ANY, UNDER ORS ORS 195.300,
195.301 AND 195.305 TO 195.335 AND SECTIONS 5 TO 11, CHAPTER 424, OREGON LAWS 2007, AND SECTIONS 2 TO 9
AND 17, CHAPTER 855, OREGON LAWS 2009.
for this conveyance is $79 ~'MlO. (Here, comply with the
~
State of Oregon
County of Lane
The foregoing instrument was acknowledged before me this -1L- day of
SCOTT WILLIAMS.
. OFFICIAL SEAL
KENNETH M BOVS'l' '.
, NOTARY PUBUC.oRE~
COI^MISSION NO. 448696
MY COMMISSION EXPIRES APRIL 30, 2014
PRE-SUBMI1TAl RECIO
MAY 9 2011
File No.: 10-3863
OR Bargain and Sale Deed
Page 1 of 1