HomeMy WebLinkAboutBLD2009-00282 0 •
CERTIFICATE OF OCCUPANCY
Jefferson County Department of Community Development
621 Sheridan Street Port Townsend, WA 98368
(360)379-4450 FAX (360)379-4451 (800) 831-2678
Al Scalf, Building Official
PERMIT #: BLD09-00282
SITE ADDRESS: 644 BYWATER WAY Issue Date: 12/1/2009
PORT LUDLOW, 98365 Final Date: 10/7/2010
APPLICANT: STEVEN HENDRICK PHONE: 281-257-1488
YOUNG C HENDRICK
1114 BRINGEWOOD CHASE DR
SPRING TX 773793620
SUBDIVISION: BRIDGE VIEW ESTATE TR DIV III Block: Lot: 20
PARCEL NUMBER: 821355032 Section: 35 Township: 28 N Range: 01 E
PROJECT DESCRIPTION: NSFR W/ A/G 120 PROP TANK
THE PROJECT LISTED ABOVE COMPLIES WITH THE REQUIREMENT OF THE BUILDING
CODE 2006 EDITION.
OCCUPANCY GROUP: R-3
TYPE OF CONSTRUCTION: 5N
SPRINKLER SYSTEM yes no
THE PROJECT PASSED ITS FINAL INSPECTION AND RECEIVED FINAL SIGN OFF ON 10/7/2010
I:\F_BLD_Occu pancy.rpt 10/29/19
Jefferson County Building sion Permit Nuir: BLD09-00282
Applicant: HENDRICK
BUILDING PERMIT INSPECTION APPROVALS applicable Code: 2006 International Building Codes
To schedule inspections, call (360)379-4455 no later than 7:00 AM the day of the inspection.
Requests received after 7:00 AM will not be scheduled for that day's inspections.
ELECTRICAL PERMITS are issued by the Washington State Department of Labor& Industries.
The electrical permit must be signed off by the State Inspector prior to the County's Framing Inspection
Inspection Item Date Approval Signature Notes
Setbacks
2-0c (l�J
Erosion Control W
Foundation Footing
Footing Drains
Foundation Stem Wall t _'1 t i/i Fv
Underground Plumbing
t '\i' \ 1,'\lk
Under Floor Framing
Straps(hold downs) -t,c)
Ext. Shear Wall Nailing
Rough in Plumbing -,7K1-16
Framing 17201
_ i
Blocking
Airseal
Insulation: Walls L r
Insulation: Floors /
Insulation: Ceiling ;12 41G
Int. Shear Wall Nailing
Wallboard Nailing
Gas Line: Interior
Gas Line: Exterior
Propane Tank
Heat/Chimney Clearance
Drywell/Alt Drainage
Address Posted /O-7 O
)k.._
1-i-Z etc . Qat
FINAL INSPECTION fL
FINAL INSPECTION MUST BE APPROVED PRIOR TO BUILDING BEING OCCUPIED
THIS PERMIT IS VALID FOR ONE YEAR
•UILDING PERMIT APPLICA•N MRLA09-00282
Type: I
Jefferson County Department of Community Development
621 Sheridan Street Port Townsend, WA 98368
PERMIT #: BLD09-00282 Received Date: 8/24/2009
SITE ADDRESS: 634 BYWATER WAY
PORT LUDLOW, 98365
OWNER: STEVEN HENDRICK PHONE: 281-257-1488
YOUNG C HENDRICK
1114 BRINGEWOOD CHASE DR
SPRING TX 773793620 BRIDGE VIEW ESTATE TR DIV III
SUBDIVISION: Block: Lot: 20
PARCEL NUMBER: 821355032 Section: 35 Township: 28 N Range: 01 E
CONTRACTOR: OWNER/BUILDER PHONE:
REPRESENTATIVE: LANDER CUSTOM DESIGNED HOME PHONE: (360)437 2-g9
PO BOX 65437
RICK
PROJECT DESCRIPTIOP NSFR W/ A/G 120 PROP TANK
TYPE OF WORK RES SQUARE FOOTAGE:
TYPE OF IMP NEW MAIN: 1,794
VALUATION 450,000.00 ADD'L: 598 HEAT TYPE: HTP
CODE EDITION: 2006 HEAT BASE: 1,794 HEAT TYPE:
OCCUPANCY: R-3 UNHEATED: #OF STORIES:
OCCUPANCY: OTHER:
CONST TYPE: 5N GARAGE: SHORELINE:
CONST TYPE SETBACK:
DECK: 503
BANK HEIGHT:
SEWAGE DISPOSAL: CON
WATER SYSTEM: PUD
BEDROOMS: BATHROOMS:
Exist: 0 Exist: 0
Prop: 2 Prop: 4
Total: 2 Total: 4
Routing Date:
'-z- _d(/
Type Amount Paid By: Date: Receipt: Approved/Date
oPlanPermit $2,953.75 LYK 08/24/09 110812 AJeaPffeerupPsiEoldnC:
Check $1,919.94 LYK 08/24/09 110812 EState Building Code $4.50 LYK 08/24/09 110812 'Potable Water Application $62.00 LYK 08/24/09 110812cuWTotal: $4,940.19untyPlanningDepartment
• •
CONDITIONS for Building Permit# :BLD09-00282
1.) PRIOR TO FINAL BUILDING OCCUPANCY, PROPONENT SHALL SUBMIT A WRITTEN
LETTER FROM THE GEOLOGIST WHO PREPARED THE GEOTECHNICAL REPORT
DATED NOVEMBER 17, 2009 STATING THAT THE PROJECT HAS BEEN
CONSTRUCTED IN CONFORMANCE WITH THE REQUIREMENTS OF THE "LIMITED
GEOTECHNICAL ENGINEERING EVALUATION". THE LETTER SHALL BE STAMPED
BY THE LICENSED GEOLOGIST/ENGINEER.
2.) PRIOR TO FINAL BUILDING OCCUPANCY, PROPONENT SHALL SUBMIT A WRITTEN
LETTER FROM MACLEARNSBERRY ENGINEERING STATING THAT THE
STORMWATER FACILITY HAS BEEN CONSTRUCTED IN ACCORDANCE WITH THE
REQUIREMENTS OF THE ENGINEERED STORMWATER PLAN DATED NOVEMBER
5, 2009 AS SIGNED BY MATTHEW C. MACLEARNSBERRY OF MACLEARNSBERRY
ENGINEERING, P. S..
3.) 10 FOOT MIN SETBACK BETWEEN WATER LINE AND ANY PORTION OF SEPTIC
SYSTEM
4.) THE PROJECT SHALL COMPLY WITH ALL CONCLUSIONS AND
RECOMMENDATIONS IN THE GEOTECHNICAL REPORT PREPARED BY
ENVIROSOUND CONSULTING DATED NOVEMBER 17, 2009.
5.) THE CHANGE OF USE PERMIT TO CONVERT THE EXISTING RESIDENCE TO AN
OFFICE SHALL BE COMPLETE AND CONDITIONS MET PRIOR TO FINAL APPROVAL
OF THIS PERMIT. THE ONSITE SEWAGE SYSTEM SERVING THE PARCEL IS NOT
ADEQUATELY SIZED FOR 2 RESIDENCES.
6.) A vegetative buffer of 30-feet shall be permanently maintained from the top or edge of the
Landslide Hazard Area. All buffers shall be measured perpendicularly from the top of the
Landslide Hazard Area.
7.) Landslide Hazard Areas and their associated buffers shall remain naturally vegetated.
Should buffer disturbance occur during construction, the Unified Development Code
(UDC)Administrator shall require replanting with native vegetation. No alterations shall be
made to the Landslide Hazard Area or its associated buffer without prior authorization by
the UDC Administrator.
8.) Prior to and during approved construction activities, the perimeter of the landslide hazard
area buffer shall be marked with a temporary sign. The sign shall be placed in such a
manner that it can be directly observed from the construction area. The sign shall contain
the following statement: "Landslide Hazard Area and Buffer- Do not Remove or Alter
Existing Vegetation."
9.) All construction activities shall not encroach upon the Landslide Hazard and Stream
Buffers. This includes the storage or preparation of materials.
10.) The applicant shall permanently separate the boundary of the Landslide Hazard Area
Buffer from the remainder of the subject property through installing logs, trees, a hedge
row, or any other prominent physical marking approved by the UDC Administrator.
11.) The identified Fish and Wildlife Habitat Area (Type Ns Stream), shall maintain a
vegetative buffer setback of 50 feet. The setback shall be measured horizontally from the
Ordinary High Water Mark (OHWM) to the new single-family residence.
12.) An additional setback of five (5) feet is required from the edge of the buffer area to the
proposed new single-family residence.
13.) A permanent physical separation along the boundary of the buffer area shall be installed
and permanently maintained. Such separation can include installing logs, trees, a
hedgerow, or any other prominent physical marking approved by the UDC Administrator.
•
114.) Buffer perimeters shall be markea with temporary signs at an interval of one per parcel or
every one hundred (100) feet, whichever is less. Signs shall be in place prior to and
during construction activities. The signs shall contain the following statement: "Buffer- Do
Not Remove or Alter Existing Vegetation."
15.) The project shall adhere to the Best Management Practices (BMPs)to control stormwater,
erosion and sediment during construction. BMPs shall address permanent measures to
stabilize soil exposed during construction, and in the design and operation of stormwater
and drainage control systems.
16.) Stormwater shall be retained and infiltrated on site. The owner shall control all
sedimentation and erosion on the property.
17.) A Stormwater Plan has been submitted and approved by the Department of Community
Development. Once the subject permit has been issued the applicant shall fully
implement the provisions of the submitted plan and contact the MacLearnsberry
Engineering P. S. to arrange a schedule to inspect the property for plan compliance. A
Certificate of Occupancy will not be issued until the the engineer certifies plan compliance.
No clearing for roadways or utilities shall occur on the project site until clearing necessary
for the installation of temporary sedimentation and erosion control measures have been
completed.
18.) Outdoor residential storage shall be maintained in an orderly manner and shall create no
fire, safety, health or sanitary hazard.
19.) Not more than 2 unlicensed vehicles shall be stored on any lot unless totally screened
from view of neighboring dwellings and rights-of-way. Such screening shall meet all
applicable performance and development standards specific to the district in which the
storage is kept, and shall be in keeping with the character of the area. Screening shall
meet the requirements of Chapter 18.30 JCC. Outdoor storage of 3 or more junk motor
vehicles is prohibited except in those districts where specified as an automobile wrecking
yard or junk (or salvage) yard and allowed as a permitted use in Table 3-1 or Chapter
18.18 JCC, and such storage shall meet the requirements of JCC 18.20.100, Automobile
wrecking yards and junk (or salvage) yards. In no case, shall any such junk motor
vehicles be stored in a critical area.
20.) A minimum of two (2) on-site parking spaces shall be provided for the single family
residence.
21.) Maximum lot coverage is not to exceed 25%. Lot coverage is defined as amount of
impervious surface which includes roof tops, driveways, concrete, etc.
22.) The building height is not to exceed 35 feet.
23.) Setback from Bywater Way right-of-way is no less than 20 ft., side and rear setbacks are
no less than 5 ft. If an environmentally sensitive area (ESA) is present, then the more
restrictive setback shall apply.
24.) Exterior lighting for residential uses shall not exceed twenty feet (20') in height from the
finished grade, excepting when such lighting is an integral part of a building or structure.
Ground level lighting is encouraged.
25.) A Geotechnical Report prepareciEnviroSound Consulting dated Novembeii
, 2009
was submitted to address potentia unstable slopes on the parcel. On page 4 o p
his
report it states:
Based on the finding of this investigation, it is our opinion that the proposed SFR may be
constructed on the site at the proposed location. The proposed SFR will need to be
excavated to the dense cemented till encountered in all of the test pits. It is our opinion
that a native vegetation buffer and building setback are not required for this site and that a
residence may be constructed on the slope. We should be contacted to review the
grading plan for the site when it is developed to confirm that the proposed grading plan
conforms to the recommendations provided in this report and to modify the slope stability
analysis to account for the proposed grading.
The fissure cracks observed in the proposed SFR building location are due to the
settlement of unsuitable fill and not due to slope movement. The unsuitable fill will be
excavated as part of the grading for the proposed daylight basement.
The complete report is filed in MLA 09-00282 in the Jefferson County Department of
Community Development.
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l'sON CQ
,. JEFFERSON COUNTY
W ti,� DEPARTMENT OF COMMUNITY DEVELOPMENT
'' �. `� 621 Sheridan Street • Port Townsend •Washington 98368
360/379-4450 • 360/379-4451 Fax
kq p" www.co.jefferson.wa.us/commdevelopment
S, ING�S
Master Permit Application AUG 2 4 2009 MLA: CPI -,98
,..
Project Description(include separate sheets as necessary):ebedroom residental homes attached to existing garage with loft.
Tax Parcel 821-355-032 Property
Number: Size: 203,500 sq. ft. (acres/square feet)
Site Address and/or Directions to Property: 634 Bywater Way, Port Ludlow, WA 98365
Property Owner(s)of Record: Steve and Young Hendrick
Telephone:281-257-1488 Fax: 360-598-3021 email: steve_h3ndrick@comcast.net
Mailing Address: ""B"'g•°°°°"'°°"' " "
Applicant/Agent(if different from owner): Lander Custom Designed Homes,Inc.
Telephone: 360-598-2300 Fax: 360-598-3021 email: info@landercustomhomes.com
Mailing Address: PO Box 2373,Poulsbo,WA 98370
What kind of Permit?(Check each box that applies
(Building ❑Variance(Minor, Major or Reasonable Economic Use)
❑ Demolition Permit ❑Conditional Use[C(a), C(d), or C]**
l Single Family ❑Garage Attached/Detached ❑ Discretionary"D"or Unnamed Use Classification
El Manufactured Home ❑ Modular 0 Special Use(Essential Public Facilities)**
❑ Commercial* 0 Boundary Line Adjustment
❑ Change of Use ❑Short Plat**
❑ Address 0 Road Approach ❑ Binding Site Plan**
❑Home Business ❑Cottagelndustry ❑ Long Plat**
m Propane ❑ Planned Rural Residential Development(PRRD)/Amendments**
❑Sign ❑ Plat Vacation/Alteration**
❑Allowed"Yes"Use Consistency Analysis ❑Shoreline Master Program Exemption/Permit Revisions**
❑Stormwater Management 0 Shoreline Management Substantial Development**
❑Site Plan Approval Advance Determination(SPAAD)* Cl Shoreline Management Variance
❑Temporary Use ❑Comprehensive Plan/UDC/Land Use District Map Amendment
❑Wireless Telecommunication* ❑Jefferson County Shoreline Master Program Amendment
❑Forest Practices Act/Release of Six-Year Moratorium ❑Tree Vegetaion Request
*May require a Pre—Application Conference **Requires a Pre-Application Conference
Please identify any other local,state or federal permits required for this proposal, if known:
DESIGNATION OF AGENT
I hereby designate under Custom Designed Homes to act as my agent in matters relating to this application for permit(s).
OWNER SIGNATUR 0/ 42 A'vX C7✓it i1*-,J AreIG`C Date: 08-18-2009
By signing this application form,the owner/agent attests that the information provided herein,and in any attachments,is true and correct to the best of
his,her or it's knowledge. Any material falsehood or any omission of a material fact made by the owner/agent with respect to this application packet
may result in this permit being null and void.
I further agree to save,indemnify and hold harmless Jefferson County against all liabilities,judgments,court costs,reasonable attorney's fees and
expenses which may in any way accrue against Jefferson County as a result of or in consequence of the granting of this permit.
I further agree to provide access and right of entry to Jefferson County and its employees,representatives or agents for the sole purpose of application
review and any required later inspections. Staffs access and right of entry will be assumed unless the applicant informs the County in writing at the
time of the application that he or she wants prior notice.
Signature:_ ,D.:44.' f Date: 08-18-2009
The action or actions Applicant will undertake as a result of the issuance of this permit may negatively impact upon one or more threatened or
endangered species and could lead to a potential"take"of an endangered species as those terms are defined in the federal law known as the
"Endangered Species Act"or"ESA."Jefferson County makes no assurances to the applicant that the actions that will be undertaken because this
permit has been issued will not violate the ESA. Any individual,group or agency can file a lawsuit on behalf of an endangered species regarding your
actIon(s)oven If you are In compliance with the Jefferson County development code.The Applicant acknowledges that he,she or It holds Individual
and non-transferable responsibility for adhering to and complying with the ESA. The Applicant has read this disclaimer and signs and dates it below.
Signature: ,/ l F-vie -f f,/✓ Date: 08-18-2009
C:\Documents and Settings\caral\Local Settings\Temporary Internet Files\OLK86\Master Permit Application 12-19-2006.doc
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BUILDER STATEMENT
The signer of this statement does hereby certify that they are the Owners of the parcel referenced herein,that they are not licensed contractors and that
they will be assuming the r nsibility oft n I Contractor for the proposed project.
Signature: / 7 .1.?'s Date: 08-18-2009
GENERAL CONTRACTOR OR MANUFACTURED HOME INSTALLER: PHONE: FAX:
Lander Custom Designed Homes,Inc. ( 360)598-2300 ( 360 )598-3021
MAILING ADDRESS: info@landercustomhomes.com EMAIL: info@landercustomhomes.com
CONTRACTOR'S LICENSE WAINS
NUMBER: LANDECD022JT NUMBER
ARCHITECT/ENGINEER: PHONE ( ) FAX:( )
MAILING ADDRESS: EMAIL
Project Type: Frail a Type: Bathrooms: Shoreline: Type of Sewage Disposal:
Z New [_'Wood Existing: 0 ❑ Sewer
❑ Addition Li Steel Proposed: 4 Bank ❑ Community System
❑ Alteration/Remodel Li Concrete Total: 4 Height: V Individual System
N/A
❑ Repair ❑ Masonry SEP Permit#SEP89-00160
O Demolition 0 Other: Bedrooms: Water Supply:
Existing: r25 Setback: ❑ Private well ❑ Two Party
Type of Heat:. Proposed: 2 rd Public
+ r -7p Total: g. Name of System:PUD Dist.1
If this is a Commercial Project you must answer the following:
Number of Parking Spaces: Current: Proposed: Number of ADA Parking Spaces:
Number of occupants(includes owners,tenants,employees,etc) Current Proposed
IBC Occupancy: IBC Type of construction: Will you have Food Service? Yes / No
If this is a Propane Tank and/or Appliance Installation permit,mark all items below that apply: AUG 2 4 2009
❑Underground Tank m Above ground Tank Size of Propane Tank: 120 Gal.
❑Heat Stove 0 Cook Stove 0 Woodstove 0 Fireplace Insert 0 Hot Water Tank 0 Pellet Stove 0 Other
Is this appliance being installed in a Manufactured/Mobile Home? Yes / No
When applying for a permit to install a propane tank you must also submit a site plan showing all of the buildings,all property
lines,tank location and size,distances from the propane tank to all property lines,buildings and septic system components,
including the reserve area.
Square Footage Current Proposed For Office Use Only Amount Revision
Main Floor Heated EH Bld App Review: 1 r
1794 .
2na Floor Heated Consistency Review:
598 1,3
Other Heated Base fee: &q`.lam '75
Mezzanine Additional Section:
Heated Basement Plan Check fee: Li
1794 Lq (q -I
Unheated Basement State Surcharge fee: ` I 6o
Other Unheated Pot Water Review fee:
Garage/Carport SUBTOTAL 5.9(4 iQ
Decks 911/Rd Approach fee: (9I a ,-
450
Other 53 TOTAL: $3yrri, (9
Receipt Number: ' I I Z
Cash/Check Number: C' Z9
ESTIMATED COST(REQUIRED) Date:
.Fair a u -df or an .als foundation to finish WilliFlA
/y Initials:
C:\Documents and Settings\carat\Local Settings\Temporary Internet Files\OLKS6\Master Permit Application 12-19-2006.doc
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ORIGINAL
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•
cl JEFFERSON COUNTY r�..,� [ E
DEVELOPMENT
DEPARTMENT OF COMMUNITY DEVE �r
4443,a7r, 621 Sheridan Street•Port Townsend•Washington 98368 I
NOV 1 8 2009 -/
360/379-4450.360/379-4451 Fax
http:thwnv.co.jefferson.waus/cornrndevelopment/ J E F F f. ON COUNTY
Stormwater Calculation Worksheet
IMtA# Prto,rE:cr/APPUCAP r reu : , J rr-yd' Y ,u UN G /YEW o /C/C
DETERMINING STORMWATER MANAGEMENT REQUIREMENTS:Thin stormwater calculation worksheet should be completed first
to classify the proposal as'small;*medium,"or large.' The size determines whether a Stormwater Site Plan is required in conjunction
with a stand-alone stormwater management permit application, building permit application,or other land use approval application that
involves stormwater review. The basic information will also be helpful for completing a Stormwater Site Plan.if required.
PARCEL.SIZE II.E.,SITE)
Size of parcel 7% 75'acres An acre contains 43,930 square feet. Multiply the acreage by this figure.
Size of parcel in square feet Z 0 6 3J 7 sq►ft
Land-disturbing activity is any activity that results in movement of earth,or a change in the existing soil cover(both vegetative and
non-vegetative)and/or the existing soil topography.. Land disturbing activities include, but are not limited to clearing,grading.filling,
excavation,and compaction associated with stabilization of structures and road construction.
Native vegetation is vegetation comprised on plant species,other than noxious weeds,that are indigenous to the coastal region of the
Pacific Northwest and which reasonably could have been expected to naturally occur on the site. Examples include species such as
Douglas fir,western hemlock,western red cedar,alder,big-leaf maple,and vine maple;shrubs such as willow,elderberry,salmonbeny,
and salad;herbaceous plants such as sword fern,foam flower,and fireweed.
LAND DISTURBING ACTIVITY,CONVERSION OF NATwE VEGETATION,AND VOLUME OF CUT/FILL,
Calculate the total area to be cleared,graded,filled, Answer the following two questions related to
excavated,andlor compacted for proposed development conversion of native vegetation:
project. Include in this calculation the area to be cleared for:
Does the project convert'/.acres or more of
Construction site for structures 2/‘7' sq/ft native vegetation to lawn or landscaped areas?
Drainfield,septic tank,etc. /�8 S� sq/ft Circle: Yes No
Well,utifrties,etc. sglft Does the project convert 2%acres or more of
native vegetation to pasture?
Driveway,parking,roads,etc. /�6/ sq/t
Circle: Yes No
Lawn,landscaping,etc. 7'/1 sg/R
Other compacted surface,etc. O 0 soift Indicate Total-Volumes of Proposed:
Total Land Disturbance /y Q 6 sq/ft Cut Fill (ctr/vdl
APPROVED
[over] STORMWATER PLAN
;d ;V 1 9 2009
SIMITIWitat c c walah/M-REV.21202008 1
JEFF "SO CO NT
DF.PT.OF C SUNf Y D. P,�'tF,f}T
SIG NAruRC. '�rl ,,AAfL .Y�l i
• •
4
Impervious surface is a hard surface that either prevents or retards the entry of water into the sal mange as under natural conditions
prior to development A hard surface area which causes water to rum off the surface in greater quantities or at an increased rate of flow
from the tow present under natural conditions prior to development Common impervious surfaces include,but are not limited to roof
tops,walkways,patios.driveways,pasting lots or storage areas,concrete or asphalt paving,gravel roads,packed earthen materials,
and oiled,macadam or other surfaces which similarly impede the natural infiltration of stornrwrater.
STORMWATER CALUtATIONS—IMPERVIOUS SURFACg
yy EXISTING
Structures(all roof area) 0/ Y sent Structures(all roof area) 13 6. styft
Sidewalks I G O min Sidewalks . 2 /
sOft
Patios — sglft Patios 3 7C. sgtlt
Solid Decks ys 2 age Solid Decks — seffi
(without infiltration below) (without infiltration below)
Driveway.parking,roads,etc lO Q/ sglit Driveway,parking,roads,etc 2IC P8 sgst
Other • sent Other sNfl
Total New $ 57 soft Total Existing yi)P 8
sqlft
TOTAL NEW+TOTAL EXISTING' 9/ Z eq/ft 'This amount kill be wed to check total lot coverage.
The following questions will help determine whether the proposed project Is considered development or redevelopment
DEVELOPMENT v.REDEVELOPMENT
Divide the total egging impervious surface above by the size of the parcel and convert to a percentage: Z,Y %
Does the site have 35%or more of existing impervious surface? Circle: Yes O
FURTHER INSTRUCTIONS: If the answer is yes,the proposal is considered redevelopment and the attached Figure 2 should be
used to determine the applicable Minimum Requirements_ If the answer is no,the proposal is considered new development and the
attached Figure 1 should be used. At this juncture,the applicant should refer to the appicable Flow Chart to determine the Minimum
Requirements for stomwvater management DCD staff will help verify the classification of the project and the application requirements.
For proponents of 'small" projects who must comply only with Minimum Requirement Stonnwrater Pollution
Prevention--an additional submittal is not required. The proponent is neponsble for employing the 12 Elements to control erosion and
prevent sediment and other pollutants from leaving the site during the construction phase of the projectick up the o roe
on
Stormwater Pollution Prevention(SWPP)Best Management Practices(BMPs) Packet. Proponents.Pam.projects—those
that must meet only Minimum Requirements 11 through #5—and for large' projects—those that must meet all 10 Minimum
Requirements--ere required to submit a Stormwater Site Plan. DCD has prepared a subrrrinal template of a Stormwater Site Plan,
principally for rural residential projects. Complete the template in the Stonnwatec Site Plan Instructions and Submittal Template or
prepare a Stormwater Site Plan using the step-by-step guidance in the StonnwaterManagetnent Manual.
APPUCANT SIGNATURE
By signing the Stomrrwater Calculation Worksheet, I as the applicant/owner attest that the information provided herein is true and
correct to the best of my knowledge. I also certify that this application is being made with the full knowledge and consent of all
owners of the affected property.
Z121. co
•• .•OR • =•REPRESENTATIVE SIGMA ) ( Th)
•
Worm/aimtalcw ahkeet—REV.2120J200D
7. Describe significant geographic features and critical areas (i.e., environmentally sensitive areas such as wetlands, streams,
steep slopes,etc.)on the site lndicslte location on the site map. ,rmi>n�tera of f�
The property contains critical areas consisting of steep slopes
site and a,usually d1Y•stream bed to the east.
8. Describe the general vicinity of the site,including adjacent land uses and structures,utilities,roads,and sensitivelcritical areas
(streams,wetlands,lakes,steep slopes,etc.). is garage
The site is located within a residential subdivision whi h fat,shy sloped T `
structure on the property,which was constructed several years ago.Paved roads and buried Mies serve the site.
There are steep slopes,upwards of 30 and 55%,on the�roperty adjacent to the building site and a usually dry
stream bed at the toe of the slope to the east and north.
Permanent Storm /titer Control Plan
This portion of the Stormwater Site Plan consists of the selection and installation of the appropriate stormwater control BMPs
and facilities to remain in place after construction of the project is completed.
`Medium'size projects are required to have the totals calculated of all impervious surfaces, pollution-generating impervious
surfaces, and pollution-generating pervious surfaces to verify that the thresholds for treatment facilities and flow control
facilities are not exceeded.
9. Describe the developed site hydrology,as proposed. Indicate whether stormwater will be fully dispersed(i.e.,per BMP T5.30
in the Manual)or,if not,what types of stormwater flow control will be utilized for the site or specific threshold discharge areas
within the site. Locate these facilities on the site plan and differentiate proposed facilities from existing facilities.
The developed sitawill contain 4,537 square feet of impervious'duos.of which 1,601 square feet will be a driveway
and parking area and potentially poluting. Runoff fiom the driveway will drain to a catch basin,which will contain
a replaceable,filter to remove polutants.All stormwater runoff will be channeled to one of two despesal trenches.
10. If the project requires the use of stormwater treatment facilities,describe the types of stormwater y from at met t angacii i es roposs osed
for use on the site. Locate these facilities on the site plan and differentiate proposedfa
normally for large projects or projects that involve the potential for dispersion of contaminants.]
The only treatment facility planned will be catch basin filters in the catch basin in the driveway.
11. Describe the performance goals and standards applicable to the project.
To maintain stormwater aualtty and nrtif —=A2Mdeveloped levels without causing erosion conditions.
12. Describe the flow control system.
Two,fifty-foot long infiltration/disIasal trenches will intennit stormwater runoff from new impervious surfaces.
6
Vonswite site pan templab dx—rev.10/12/2003
1
13. Describe the water quality system.
Root deck and sidwaiks will drain directly to infiltration/dispersal drivewayfp�n' g area will drain
into a filter lined catch basin before entering an infiltration/dispersal trench.
14. Describe the conveyance system analysis and design.
All roof downspouts will be connected to 4"to 6"diameter PVC pipes,which will drain to infiltration/dispersal
Sidewalks wtildrap to yard drains.which will be connected via PVC pipes to infiltration/disnersaLtrerches.
Runoff from the driveway/parking area will be intercepted by a catch basin with replacable line,which will drain
to an infiltration/dispersal trench via 6"PVC pipe.
15. Describe the source of fill material,physical characteristics of till material,and deposition of excess material.
All imported fill material will be outwash soils from sites to be determined. Any excess materials will be disposes,
of onsite in the Rates areas.
18. Proposed methods of placement and compaction consistent with the applicable standards on Appendix Chapter 33 of the
Uniform Building Code.
All fill to be place under structures will be compacted to 95%maximum dry density. All other fill material
will be graded to properly drain and will be machine compacted.
17. Describe the proposed surfacing material.
Surfacing material will be portland cement t concrete or decorative bricks for sidewalks and asphalt for the
d iveway/pad:ing area.
18. Describe methods for restoration of the site.
Areas not covered by landscaping,or structures will be graded and seeded with lawn seed,or covered with
lawn sod.
19. An Operation and Maintenance Manual is required for each flow control and treatment facility. [This is normally required for
'large"projects only and only those for which facilities are required to control flow or treat runoff.] If included,list the Manuals
here.
N/A
20. List here and include any special reports or studies conducted to prepare the Stormwater Site Plan.
Stormwater Calculation Worksheet and Project Report.
21. List other necessary permits and approvals as required by other regulatory agencies. If those permits or approvals include
conditions that affect the drainage plan or contain more restrictive drainage-related requirements,describe those conditions or
restrictions here.
Driveway Approach Permit and Building Permit
stonewater site plan template.doc—rev.10/12/2003 7
CONSTRUCTION STORMWATER POLLUTION PREVENTION PLAN(SWPPP)
The Construction SWPPP addresses sediment and erasion control during construction. The BMPs Indicated by the applicant in the
template that follows must be installed on the ground during all construction phases of the project. The proponent is responsible for
preventing sediment and erosion impacts to environmentally sensitive areas and off-site areas. Consult the Construction Stormwater
Pollution Prevention (SWPP) Best Management Practices (BMPs) Packet for guidance, particularly with rural residential
development
StCTION I—CONSTRUCTION SWPPP NARRATIVE
1. Construction Stormwater Pollution Plan Elements. Describe how each of the Construction SWPPP elements has been or
will be addressed. Identify the type and location of BMPs used to satisfy the required element if an element Is not applicable
to the proposal,justify in writing. Descriptions of the 12 Elements are found at section 25.2 of the Manual(beginning on page
2-15).
12 Required Elements—Construdion SWPPP
1. Mark Clearing Limits.
Refer to attached SWPPP
2. Establish Construction Access.
Refer to attached SWPPP
3. Control Flow Rates.
Rates of flow will be controlled by infiltration and dispesal in the trenches.
4. Install Sediment Controls.
Refer to attached SWPPP
5. Stabilize Soils.
Refer to attached SWPPP
6. Protect Slopes.
Refer to attached SWPPP
7. Protect Drain Inlets.
Inlet drains will be protected by filter fabric covers during construction and grates after construction.
mmaWI site plan tempU .dom—rev.101122003 8
12 Required Elements—Consbuction SWPPP(continued)
8. Stabilize Channels and Outlets.
Channels will be stabilized by mulching and straw bales during construction and by hydroseeding or lawn sod
upon completion of the project.
9. Control Pollutants. area fromwhich polutants will be controlled
The only anticipated sourch of polutants will be the driveway/parking
by means of replaceable filters in the catch basin.
10. Control De-Watering(the act of pumping groundwater or stormwater away from an active construction site).
Due to the elevation of the site and lack of offsite sto mwater flows onto the construction area no need for
do-watering is anticipated.
11. Maintain Best Management Practices(BMPs).
Best management proc ticos will be maintained by the Contractor during construction of the project(see SWPPP
plan and notes).
12. Manage the Project.
The project will be managed by the Contractor during construction and by the homeowner after occupancy.
2. Adjacent Areas.
a. Description of the adjacent areas that may be affected by site disturbance (e.g., streams, lakes, wetlands, residential
areas,roads). adjacent
Due to the nature of the topography and the interim storm water control facilities planned for the site the
road and building sites will not be affected by site disturbance. The dry streambed below the building site will
be mooted during construction by erosion control facilitieta d after suction by the i nfhlraticnl/dispersal
dispersal trenches(see attached SWPPP).
b. Description of the downstream drainage path leading from the site to the receiving body of water(minimum distance of 400
yards).
The draw located below the building site is the downstream drainage path draining the site and runs southeasterly
across adjacent Lots 22 and 23,finally crossing the Paradise Bay Road and flowing into Hood Canal.
3. Environmentally Sensitive Areas.
a. Description of environmentally sensitive areas that are on or adjacent to the site.
The only environmentally sensitive areas in the vicinity of the project are the steep slopes north,east and south
of the construction site and the streambed below the site to the east.
9
stoma ter site plan tamplala.doc—rev.1 011 2/2 0 0 3
b. Description of special requirements for w^oridng in or near environmentally sensitive areas.
The primary special requirementsfor working near the environmentally iroomantally sensitive areas adjacent to the building
site will be to avoid land disturbing activities on the hillside as-avoid allowing stormwater to cause erosion.
4. Erosion Problem Areas. Description of potential erosion problems on site in the context of the characteristics of the on-site
soils(e.g.,erodibillty,seftleablity,permeability,depth,texture,sod structure).
The soils on this site are relatively stable,but due to the steep nature of the slopes it will be important to avoid
the wnnecersary traversing of equipment on the slopes and,to continually maintain and upgrade erosion control
measures during construction,as determined by changeino weather and site conditions.
5. Construction Phasing.
a. Construction sequence
Implement erosion control measures:rough_g rade constoption site.install temporary power&water;excavate
for building foundation,septic system,drainage&utilities,contstruct building;paving/sidewalks;landscaping.
b. Construction phasing(if proposed)
See"a."above.
6. Construction Schedule. Wet season is October 1 through April 30(page 2-21 of the Manual).
I. Provide a proposed construction schedule.
Contractor will provide,as required.
IL Wet Season Construction Activities.
a. Proposed wet season construction activities.
See attached SWPPP drawing
b. Proposed wet season construction activities for environmentally sensitive areas.
Beep out of environmentally sensitive areas during wet season.
7. Flnanclai/Ownership Responsibilities.
a. Identify the property owner responsible for the initiation of bonds and/or other financial securities.
Steve Hendrick
b. Describe bonds and/or other evidence of financial responsibility for liability associated with erosion and sedimentation
impacts.
As required by Jefferson County DCD,if any.
8. Engineering Calculations. Provide Design Calculations on a separate sheet for the following,if applicable.
a. Sediment Ponds/Traps.
b. Diversions.
C. Waterways.
d. Runoff/Stormwater Detention Calculations
See attached Stor<nmwater Calculation Worksheet and Project Report
atonnwater alto plan tempae.doc—rev.10/12/2003 10
Stormwater Site Plan Changes
If the designer wishes to make changes or revisions to the originally approved Storrnwater Site Plan, the proposed revisions shall be
submitted to DCD prior to construction. The submittal shall include substitute pages that include all proposed changes, revised
drawings showing any structural changes,and any other supporting information that explains and supports the reason for the change.
Final Corrected Plan Submittal
If the project included construction of conveyance systems,treatment facilities,flow control facilities,or structural source control BMPs
(not standard on-site stormwater management BMPs),the applicant shall submit a final corrected plan Ors-bunts)when the project is
completed. These should be engineering drawings (stamped by a licensed civil engineer)that accurately represent the project as
constructed.
APPLICANT SIGNATURE
By signing the Construction SWPPP worksheet, I as the applicant/owner attest that the information provided herein is true and
correct to the best of my knowledge. I al certify that this application is being made with the full knowledge and consent of all
ownere ikcted's�
4ac Lander Custom Homes) November 13,2009
(LANDai#A4ER OR AUTHORIZED REPRESENTATIVE ATURE) (DATO
THIS SPACE MAY BE USED FOR ADDITIONAL NOTES,IF NEEDED:
stortnVata situ plan tempTate.doc—rev.40/12/2003 12
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Date a/oaioa Approved for the Owner
for 18804 Front St.Suite 200 Revision No. Date
Steve and Young Hendrick Upper Level Plan Poulsbo,Wa.98370
634 Bywater Way
Port Ludlow,Washington (360)598-2300 Fax:(360)598-3021
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THE FOLLOWING EROSION AND SEDIMENTATION CONTROL NOTES APPLY TO ALL
CONSTRUCTION SITE ACTIVITIES AT ALL TIMES, UNLESS OTHERWISE
SPECIFIED ON THESE PLANS:
1. THE OWNER AND HIS/HER CONTRACTOR SHALL BE RESPONSIBLE AT ALL
TIMES FOR PREVENTING SILT -LADEN RUNOFF FROM DISCHARGING FROM
THE PROJECT SITE. FAILURE BY THE OWNER AND/OR CONTRACTOR CAN
RESULT IN A FINE. THE DESIGNATED TEMPORARY CONTACT PERSON
NOTED ON THIS PLAN MUST BE AVAILABLE FOR CONTACT BY TELEPHONE
ON A 24 HOUR BASIS THROUGHOUT CONSTRUCTION AND UNTIL THE
PROJECT HAS BEEN COMPLETED AND APPROVED BY THE COUNTY.
2. THE IMPLEMENTATION OF THIS SWPPP AND THE CONSTRUCTION,
MAINTENANCE, REPLACEMENT AND UPGRADING OF THIS SWPPP
IS THE RESPONSIBILITY OF THE OWNER AND/OR CONTRACTOR FROM THE
BEGINNING OF CONSTRUCTION UNTIL ALL CONSTRUCTION IS COMPLETED
AND APPROVED BY THE COUNTY AND THE SITE IS STABILIZED.
3. PRIOR TO BEGINNING ANY WORK ON THE PROJECT SITE, A PRE -
CONSTRUCTION CONFERENCE MUST BE HELD, AND SHALL BE ATTENDED BY
THE GENERAL CONTRACTOR, THE BULDING INSPECTOR, REPRESENTATIVES
FROM AFFECTED UTILITIES, AND A REPRESENTATIVE OF THE COUNTY.
4. ANY ROCKED CONSTRUCTION ENTRANCES SHOWN ON THIS PLAN SHALL BE
INSTALLED PRIOR TO BEGINNING CONSTRUCTION. IN ADDITION,
EQUIPMENT FOR THE CLEANING OF PUBLIC ROADWAYS SHALL BE
AVAILABLE AT ALL TIMES DURING CONSTRUCTION.
5. THE EROSION AND SEDIM
ENTATION NTATION CONTROL FACILITIES SHOWN ON THIS
PLAN ARE TO BE CONSIDERED ADEQUATE BASIC REQUIREMENTS FOR THE
ANTICIPATED SITE CONDITIONS. DURING CONSTRUCTION, DEVIATIONS
FROM THIS PLAN MAY BE NECESSARY IN ORDER TO MAINTAIN WATER
QUALITY. MINOR DEPARTURES FROM THIS PLAN ARE PERMITTED
SUBJECT TO THE APPROVAL OF THE COUNTY INSPECTOR. HOWEVER,
EXCEPT FOR EMERGENCY SITUATIONS, ALL OTHER DEVIATIONS FROM
THIS PLAN MUST BE DESIGNED BY THE PROJECT MANAGER AND
APPROVED BY THE COUNTY INSPECTOR PRIOR TO INSTALLATION.
6. ALL EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE
INSPECTED BY THE OWNER AND/OR CONTRACTOR ON A FREQUENT BASIS
AND IMMEDIATELY AFTER EACH RAINFALL, AND MAINTAINED AS
NECESSARY TO INSURE THEIR CONTINUED FUNCTIONING. ALL SEDIMENT
MUST BE REMOVED FROM SILT FENCES, STRAW BALES, SEDIMENT PONDS,
ETC. PRIOR TO THE SEDIMENT REACHING 1/2 ITS MAXIMUM POTENTIAL
DEPTH.
7. AT NO TIME SHALL CONCRETE, CONCRETE BY-PRODUCTS, VEHICLE
FLUIDS, PAINT, CHEMICALS, OR OTHER POLLUTING MATTER BE
PERMITTED TO DISCHARGE TO THE TEMPORARY OR PERMANENT DRAINAGE
SYSTEM, OR TO DISCHARGE FROM THE PROJECT SITE.
8. ALL WORK SHALL BE DONE ACCORDING TO BEST MANAGEMENT
PRACTICES AS DEFINED IN THE DOE STORM WATER MANAGEMENT MANUAL
FOR THE PUGET SOUND BASIN.
FINISH FLOOR SIDING
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PROVIDE FULL WIDTH OF
INGRESS/EGRESS AREA
F111>SM,\ J
MIN.
9'L=2
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SE AS REQUIRED)
CONTROL MEASURE: STABILIZED CONSTRUCTION ENTRANCE
PURPOSE: REDUCES THE AMOUNT OF DEBRIS TRANSPORTED ONTO PUBLIC ROADS FROM
CONSTRUCTION EQUIPMENT BY ACTION OF VEHICLE TIRES TRAVELING OVER GRAVEL PAD
REMOVING MOST MUD AND DEBRIS FROM TIRES.
DESIGN CRITERIA/SPECIFICATIONS:
DESIGN: (1) SEE DETAIL 2-C-1, (2) STABILIZED CONSTRUCTION ENTRANCES
SHOULD BE LOCATED WHEREVER VEHICLE ACCESS ROUTES INTERSECT PAVED ROADS; (3)
MATERIAL SHOULD BE QUARRY SPALLS, 4" - B" SIZE; (4) THE ROCK PAD SHOULD BE AT EAST
12-INCHES THICK AND 100 FEET IN LENGTH. LENGTH MAY BE REDUCED TO 50-FEET FOR SITES
WITH MINOR GRADING (LESS THAN 1 ACRE OF EXPOSED SOIL); (5) WIDTH SHOULD BE THE FULL
WIDTH OF THE VEHICLE INGRESS AND EGRESS AREA. MINIMUM WIDTH SHOULD BE 20-FEET.
ADDITIONAL SUBGRADE STABILIZATION SUCH AS A GEOTEXTILE MAT MAY BE REQUIRED.
PROCEDURE: (1) A FILTER FABRIC FENCE SHOULD BE INSTALLED DOWNHILL FROM THE
CONSTRUCTION ENTRANCE TO INTERCEPT AND CONTAIN ANY SEDIMENT -LADEN RUNOFF FROM
THE ENTRANCE OR FROM TIRE WASHING; (2) IF THE ROCK PAD DOES NOT ADEQUATELY
REMOVE THE MUD FROM VEHICLE WHEELS, THE WHEELS SHOULD BE HOSED OFF BEFORE THE
VEHICLE ENTERS A PAVED STREET. THE WASHING SHOULD BE DONE ON AN AREA COVERED
WITH CRUSHED ROCK AND WAS WATER SHOULD DRAIN TO A SEDIMENT RETENTION FACILITY;
(3) STREET CLEANING EQUIPMENT SHOULD BE AVAILABLE AS REQUIRED.
MAINTENANCE: (1) ENTRANCES MAY REQUIRE PERIODIC TOP DRESSING WITH 2-INCH STONE,
AS NECESSARY TO PREVENT TRACKING OR FLOW OF MUD ONTO PUBLIC ROADWAYS; (2) IF
SEDIMENT IS TRANSPORTED ONTO A ROAD SURFACE, THE ROADS SHALL BE CLEANED
THOROUGHLY AS A MINIMUM AT THE END OF EACH DAY. SEDIMENT SHOULD BE REMOVED
FROM ROADS BY SHOVELING OR SWEEPING. STREET WASHING SHOULD TAKE PLACE ONLY
AFTER SEDIMENT HAS BEEN REMOVED AS DESCRIBED ABOVE; (3) ANY ROCK SPALLS THAT
ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL BE REMOVED
IMMEDIATELY.
CONTROL MEASURE: CONSTRUCTION ROAD STABILIZATION.
PURPOSE: TEMPORARILY STABILIZES ROADS, PARKING AREAS, AND ON -SITE TRANSPORTATION
ROUTES WITH STONE IMMEDIATELY AFTER GRADING, REDUCES EROSION CAUSED BY
CONSTRUCTION TRAFFIC OR RUNOFF.
DESIGN CRITERIA/SPECIFICATIONS:
DESIGN: (1) PROVIDE ROCK STABILIZATION WHEREVER THERE IS THE POTENTIAL FOR
EROSION OF TEMPORARY CONSTRUCTION ROUTES BY CONSTRUCTION TRAFFIC DURING WET
WEATHER; (2) ROCK STABILIZATION MAY BE UNNECESSARY WHERE SOILS ON SITE ARE
GRAVELLY; (3) A 6-INCH DEPTH OF 2" - 4" CRUSHED ROCK, GRAVEL BASE, OR CRUSHED
SURFACING BASE COURSE SHALL BE APPLIED IMMEDIATELY AFTER GRADING OR THE
COMPLETION OF UTILITY INSTALLATION WITHIN THE RIGHT-OF-WAY. A 3-INCH COURSE OF
ASPHALT TREATED BASE (ATM) MAY BE USED INSTEAD OF THE CRUSHED ROCK.
PROCEEDURE: (1) WHERE FEASIBLE, ALTERNATIVE ROUTES SHOULD BE MADE FOR
CONSTRUCTION TRAFFIC; ONE FOR USE IN DRY CONDITION, THE OTHER FOR WET CONDITIONS
WHICH INCORPORATES THE MEASURE LISTED BELOW; (2) TEMPORARY ROADS SHOULD
FOLLOW THE CONTOUR OF THE NATURAL TERRAIN TO THE EXTENT POSSIBLE. SLOPE SHOULD
NOT EXCEED 15 PERCENT. ROADWAYS SHOULD BE CAREFULLY GRADED TO DRAIN
TRANSVERSELY. PROVIDE DRAINAGE SWALES ON EACH SIDE OF THE ROADWAY IN THE CASE
OF A CROWNED SECTION, OR ONE SIDE IN THE CASE OF A SUPER ELEVATED SECTION. (3)
INSTALLED INLETS SHALL BE PROTECTED TO PREVENT SEDIMENT LADEN RUNOFF FROM
ENTERING THE STORM SYSTEM (SEE BMP'S ON FILTER INLET BARRIERS).
MAINTENANCE: INSPECT STABILIZED AREAS REGULARLY, ESPECIALLY AFTER LARGE STORM
EVENTS. ADD CRUSHED ROCK IF NECESSARY AND RE -STABILIZE ANY AREAS FOUND TO BE
ERODING.
CONTROL MEASURE: DUST CONTROL
PURPOSE: PREVENTS SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES.
DESIGN CRITERIA/SPECIFICATIONS: (1) MINIMIZE THE PERIOD OF SOIL EXPOSURE THROUGH
USE OF TEMPORARY GROUND COVER AND OTHER TEMPORARY STABILIZATION PRACTICES. (SEE
BARE GROUND BMP'S) (2) SITE SHOULD BE SPRINKLED WITH WATER UNTIL SURFACE IS WET.
REPEAT AS NEEDED. TO PREVENT CARRYOUT OF MUD ONTO STREET, REFER TO STABILIZED
CONSTRUCTION ENTRANCE BMP IN THIS SECTION. (3) SPRAY EXPOSED SOIL AREAS WITH AN
APPROPRIATE DUST PALLIATIVE. NOTE: OIL IS PROHIBITED FOR USE AS A PALLIATIVE.
CONTROL MEASURE: LIMIT CLEARING OF SITE.
PURPOSE: REDUCES LIKELIHOOD OF, OR EXTENT OF, TURBIDITY IN DOWNSTREAM
STORMWATER BY MINIMIZING THE SOURCE OF SILT PICKED UP ON SURFACE RUNOFF.
DESIGN CRITERIA/SPECIFICATIONS: CLEARING SHOULD BE LIMITED TO THE MINIMUM AREA
NECESSARY TO PERFORM WORK AND IMMEDIATELY REVEGETATE CLEARED AREAS. WHEN
POSSIBLE, CONSTRUCTION SHOULD BE PLANNED IN STAGES, AND ONLY THE STAGE BEING
WORKED ON SHOULD BE CLEARED. ONCE WORK IS COMPLETED, A GIVEN STAGE OF
CONSTRUCTION SHOULD BE IMMEDIATELY REVEGETATED OR OTHERWISE STABILIZED.
CONTROL MEASURE: COVER AREAS LEFT UNWORKED FOR MORE THAN 48 HOURS.
(SEE ALSO MULCHING, SODDING, PLASTIC SHEETING BMP'S).
PURPOSE: MINIMIZE THE AREA EXPOSED TO RAINFALL AND SURFACE RUNOFF, THEREBY
REDUCING THE AMOUNT OF EROSION OF BARE GROUND AND THE AMOUNT OF SEDIMENT THAT
MIGHT COLLECT IN SEDIMENTATION CONTROL STRUCTURES, SUCH AS SEDIMENT PONDS OR SILT
FENCES.
DESIGN CRITERIA/SPECIFICATIONS: DURING THE TIME PERIOD OF OCTOBER 1 THROUGH APRIL
30, AND AT OTHER TIMES OF THE YEAR WHEN THERE ARE EXTENDED PERIODS OF INCLEMENT
WEATHER, ALL PROJECT -DISTURBED SOIL AREAS THAT ARE TO BE LEFT UNWORKED FOR MORE
THAN 48 HOURS SHOULD BE COVERED BY MULCH, SODDING, OR PLASTIC COVERING. THIS
PROCEDURE IS BASED ON THE INCREASED POTENTIAL FOR, AND CONSEQUENCES OF, FAILURE
OF EROSION AND SEDIMENTATION CONTROL STRUCTURES DURING THIS PERIOD OF HIGH
PRECIPITATION AND THE ASSUMPTION THAT AREAS NOT BEING WORKED ARE LIKELY TO BE
LEFT UNATTENDED.
CONTROL MEASURE: MULCHING. (SEE ALSO NETS AND MATS)
PURPOSE: MULCHING PROVIDES IMMEDIATE TEMPORARY PROTECTION TO EXPOSED AREAS
AND ALLOWS GERMINATION AND PROTECTION OF SEEDED AREAS BY CONSERVING MOISTURE,
MODERATING SOIL TEMPERATURES, AND HOLDING FERTILIZER, SEED AND TOPSOIL IN PLACE.
DESIGN CRITERIA/SPECIFICATIONS:
DESIGN: (1) PREPARE SOIL AS FOR SEEDING; (2) FOR APPLICATION RATES AND
SPECIFICATIONS, SEE TABLE 3-1"'; (3) NETS AND MATS USED IN CONJUNCTION WITH MULCH
SHOULD BE USED ON SLOPES STEEPER THAN 2:1; (4) WOOD FIBER CELLULOSE BLANKET ARE
CONSIDERED PROTECTIVE MULCHES AND CAN BE USED ALONE ON ERODIBLE SOILS AND DURING
ALL TIMES OF THE YEAR.
MATERIALS: (1) HAY OR STRAW: USE STRAW WHERE MULCH EFFECT IS TO BE MAINTAINED
FOR MORE THAN 3 MONTHS. HAY AND STRAW ARE SUBJECT TO WIND BLOWING UNLESS KEPT
MOIST OR TIED DOWN. THEY ARE THE MOST COMMON AND WIDELY USED MULCHING
MATERIAL; GOOD FOR EROSION CONTROL IN CRITICAL AREAS. ANCHOR BY CRIMPING, DISCING,
ROWING OR PUNCHING INTO SOIL, COVERING WITH NETTING, SPRAYING WITH A CHEMICAL OR
FIBER BINDER OR BY KEEPING MOIST; (2) WOOD FIBER CELLULOSE (PARTLY -DIGESTED WOOD
FIBERS): WHEN USED FOR EROSION CONTROL ON CRITICAL AREAS, THE APPLICATION RATE
SHOULD BE DOUBLED. APPLY WITH HYDROMULCHER. NO TIE DOWN IS REQUIRED. PACKAGED
IN 100-LB BAGS. NOT RECOMMENDED FOR HIGHLY ERODIBLE SOILS IN HOT WEATHER; (3)
GRAVE, CRUSHED STONE OR SLAG: EXCELLENT MULCH FOR SHORT SLOPE AND AROUND WOODY
PLANTS AND ORNAMENTALS. USE WHERE SUBJECT TO FOOT TRAFFIC; (4) CORN STALKS:
SHREDDED INTO 4" - 6" LENGTHS, DECOMPOSES SLOWLY AND RESISTS WINDBLOW; (5) WOOD
CHIPS: CANNOT BE CLOSELY MOWED. DECOMPOSE SLOWLY AND DO NOT REQUIRE TACKING.
DOES NOT PROVIDE NITROGEN TO SEEDS UNLESS TREATED. TENDS TO WASH DOWN SLOPES
STEEPER THAN 6%- (6) BARK CHIPS/SHREDDED BARK: CANNOT BE CLOSELY MOWED.
ADDITIONAL NITROGEN FOR SEEDS NOT REQUIRED. TENDS TO WASH DOWN SLOPES STEEPER
THAN 6% AVOID TILLING BARK OR SAWDUST INTO SOIL, AS IT TENDS TO REMOVE NITROGEN
FROM SOIL, RELEASING IT ONLY WHEN IT DECAYS.
PROCEDURES: (1) MULCHES SHOULD BE USED FOLLOWING TEMPORARY OR PERMANENT
SEEDING; (2) MULCHING SHOULD IMMEDIATELY FOLLOW SEEDING IN AREAS WITH SLOPES
STEEPER THAN 2:1; (3) MULCHES SHOULD BE USED IN CLEARED AREAS THAT CANNOT BE
SEEDED BECAUSE OF THE SEASON; (4) MULCHES SHOULD BE USED ON EXPOSED SOILS
(INCLUDING STOCKPILES WHICH ARE NOT FINAL GRADED WITHIN 15 DAYS) UNLESS COVERED
WITH PLASTIC SHEETING.
MAINTENANCE: MULCHED AREAS SHOULD BE CHECKED PERIODICALLY, ESPECIALLY
FOLLOWING SEVERE STORMS, WHEN DAMAGED AREAS OF MULCH OR TIE -DOWN MATERIAL
SHOULD BE REPAIRED.
**-SEE TABLE 3-1, THIS SHEET
G�Lti1 c UIDD W LJ �O� m L1VO� um@ Q�:J H LJ D❑D
CONTROL MEASURE: TEMPORARY EROSION CONTROL SEEDING. (SEE ALSO
TOPSOILING, SURFACE ROUGHENING, MULCHING, PLASTIC
SHEETING AND NETS AND MATS).
PURPOSE: REDUCES EROSION AND SEDIMENTATION BY TEMPORARILY STABILIZING EXPOSED
SOILS FOR UP TO 1 YEAR.
DESIGN CRITERIA/SPECIFICATIONS: (1) SEEDING CAN BE DONE DURING THE PERIOD OF
MARCH 1 THROUGH SEPTEMBER 30 (IF PLANTED BETWEEN MAY 15 AND AUGUST 15 IRRIGATION
MAY BE REQUIRED). SEEDING CAN SOMETIMES ALSO BE DONE SUCCESSFULLY DURING THE
REMAINDER OF THE YEAR, OCTOBER 1 THROUGH FEBRUARY 29, PROVIDED THAT THE SEED BED
IS IMMEDIATELY STABILIZED BY MULCHING, NET/MATS OR PLASTIC SHEETING; (2) SITE
PREPARATION, INCLUDING THE INSTALLATION OF SURFACE RUNOFF CONTROL MEASURES,
SHOULD BE COMPLETED PRIOR TO SEEDING. THE SEED BED SHOULD BE FIRM BUT NOT
COMPACT, WITH A FAIRLY FINE SURFACE. SURFACE ROUGHENING SHOULD BE DONE AT RIGHT
ANGLES TO THE SLOPE AND PREFERABLY TRACK WALKED UP SLOPE. TRACK WALKING IS
DRIVING A CRAWLER TRACTOR UP AND DOWN THE SLOPE, LEAVING A PATTERN OF CLEAT
IMPRINTS PARALLEL TO THE SLOPE CONTOURS; (3) HYDROSEEDING APPLICATIONS WITH
APPROVED SEED -MULCH -FERTILIZER MIXTURES MAY ALSO BE USED; (4) SOIL
AMENDMENTS/FERTILIZERS SHOULD BE APPLIED AS RECOMMENDED BY SUPPLIERS. WHEN
SEEDING OVER SUBSOIL (WITHOUT TOPSOIL), AVOID OVER -FERTILIZING, ESPECIALLY NEAR
AQUATIC FEATURES. INSTEAD, USE MULCH TO ASSIST IN NOURISHING SOIL PROJECT SITES
ADJACENT TO BODIES OF WATER MUST USE NON -PHOSPHORUS FERTILIZER; (5) APPLY AN
APPROPRIATE SEED MIXTURE TO THE PREPARED SEED BED AT A RATE OF 120 LBS. PER ACRE.
TABLE 3-2** GIVES RECOMMENDED TEMPORARY EROSION CONTROL SEED MIXTURE.
MAINTENANCE: (1) INSPECT SEEDED AREAS FOR FAILURE AND MAKE NECESSARY REPAIRS
AND RESEED IMMEDIATELY, (2) SEED SHOULD BE SUPPLIED WITH ADEQUATE MOISTURE.
SUPPLY WATER AS NEEDED, ESPECIALLY IN ABNORMALLY HOT OR DRY WEATHER, OR ON
ADVERSE SITES. WATER APPLICATION RATES SHOULD BE CONTROLLED TO PREVENT RUNOFF.
INSUFFICIENT AMOUNTS OF WATER MAY BE MORE HARMFUL THAN NO WATER.
CONTROL MEASURE: PLASTIC SHEETING
PURPOSE: PROVIDES IMMEDIATE TEMPORARY EROSION PROTECTION TO SLOPES AND
DISTURBED AREAS THAT CANNOT BE COVERED BY MULCHING. ALSO, PROTECTS DISTURBED
AREAS WHICH REQUIRE COVERING DURING PERIODS OF INACTIVITY IN WINTER MONTHS.
PLASTIC SHEETING IS THE PREFERRED COVERING FOR SEED BEDS PLANTED DURING WINTER
MONTHS, IN THAT IT NOT ONLY PROTEG" AGAINST HEAVY RAINS BUT ALSO PROVIDES WARMTH
AND LIGHT TO PROMOTE GERMINATION AND GROWTH OF SEEDS.
DESIGN CRITERIA/SPECIFICATIONS: (1) PLASTIC SHEETING SHOULD HAVE A MINIMUM
THICKNESS OF 6 MIL AND MEET THE REQUIREMENTS OF WSDOT/APWA SECTION 9-14.5; (2)
COVERING SHOULD BE INSTALLED AND MAINTAINED TIGHTLY IN PLACE BY USING SANDBAGS
OR TIRES ON ROPES WITH A MAXIMUM 10 FOOT GRID SPACING IN ALL DIRECTIONS. ALL SEAMS
SHALL BE TAPED OR WEIGHTED DOWN FULL LENGTH AND THERE SHOULD BE AT LEAST A 10 -
24-INCH OVERLAP OF ALL SEAMS. SEAMS SHOULD THEN BE ROLLED AND STAKED OR TIED;
(3) COVERING SHOULD BE INSTALLED IMMEDIATELY ON AREAS SEEDED DURING WINTER
MONTHS, AND REMOVED AS SOON AS POSSIBLE ONCE VEGETATION IS WELL GROWN TO
PREVENT BURNING THE VEGETATION THROUGH THE PLASTIC SHEETING, WHICH ACTS AS A
GREENHOUSE; (4) WHEN COVERING IS USED ON UNSEEDED SLOPES, IT SHOULD BE LEFT IN
PLACE UNTIL THE NEXT SEEDING PERIOD; (5) PLASTIC COVERING SHEETS SHOULD BE BURIED
TWO FEET AT THE TOP OF SLOPES IN ORDER TO PREVENT SURFACE WATER FLOW BENEATH
SHEETS.
MAINTENANCE: PLASTIC COVERING MUST BE CHECKED OFTEN FOR RIPS AND PLACES WHERE
THE PLASTIC MAY BE DISLODGED. CONTACT BETWEEN THE PLASTIC AND THE GROUND SHOULD
ALWAYS BE MAINTAINED. ANY AIR BUBBLES FOUND SHOULD BE REMOVED IMMEDIATELY OR
THE PLASTIC MAY RIP DURING THE NEXT WINDY PERIOD. RE -ANCHOR OR REPLACE AS
NECESSARY.
**-SEE TABLE 3-2, THIS SHEET
mw19w@9m@w @@HUI@U pC G°3g0
RICK LANDER
PHONE: (360) 301-1186
TABLE 3-1 MULCH MATERIAL, APPLICATION RATES AND SPECIFICATIONS
MULCH MATERIAL
QUALILTY
APPLICATION
APPUCATiON RATES
DEPTH OF
STANDARDS
RATES
PER ACRE
APPLICATION
PER 1000 SQ FT
GRAVEL,
WASHED: 3/4" -
9 CU YDS
400 CU YDS.
3"
CRUSHED STONE
1-1/2" SIZE
OR SLAG
HAY OR STRAW
AIR-DRIED, FREE
75-100 LBS.,
1.5 - 2.5 TONS
LIGHTLY COVER
FROM UNDESIRABLE
2-3 BALES
(90-100 BALES)
ENTIRE SURFACE
SEED & COARSE
(MIN. 2")
MATERIAL
WOOD FIBER
DYED GREEN.
25-30 LBS.
1000-1500 LBS.
2"
CELLULOSE
NO GROWTH
ORGANISM
INHIBITING FACTORS
TABLE 3-2 TEMPORARY EROSION CONTROL SEED MIXTURE
NAME
PROPORTIONS BY
PERCENT
PERCENT
WEIGHT
PURITY
GERMINATION
REDTOP (AGROSTIS ALBE)
10%
92%
90%
ANNUAL RYE (LOLIUM
40%
98%
90%
MULTIFOLIUM)
CHEWINGS FESCUE (FESTUCA
40%
97%
80%
REBRA COMMUTATA)
JAMESTOWN, BANNER,
SHADDOW OR KOKET
WHITE DUTCH CLOVER
10%
95%
90%
(TRIFOLIUM)
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NOTES:
(D
YARD DRAINS TO BE CONSTRUCTED FROM CONCRETE PIPE,
IN ACCORDANCE WITH ASTM C 14 UNLESS OTHERWISE SHOWN
ON THE PLANS OR NOTED IN THE SPECIFICATIONS.
CUTOUTHOLE SIZEEQUAL
THICKN� OUTSIDE
YARD WALL
®
CMADEECII0N TO PIPE TO
FLUSH WITH IL NSDE OF THE YARD DRAIN WAED LL
®
CAST IRON BELL GRATE FITS INTO BELL RECESS AND EKTFNDS
FLUSH WITH FACE OF BE]I THE GRATE SHALL HAVE SLOTS
(HOL£Sl TFMT CONSTITUTE 50 PERCENT OPEN AREA FOR DRAINAGE
I LET E71 SURFACE SHALL BE FINISHED TO ASSURE NON —ROCKING
FIT WITH ANY COVER POSITION.
®
WASHED DRAIN ROCK. 6 INCHES MINIMUM DEPTH.
®
VARIES 12 INCHES OR 18 INCHES.
SPECIAL CAST YARD DRAIN MAY BE REQUIRED FOR
0 0
d
MULTIPLE PIPE CONNECTIONS.
YARD DRAIN IS NOT PIRMITTID WITHIN THE RIGHT —Of —WAY.
L��g��
PLAN VIEW
4
FINISHED GRADE
2
ELEVATION VIEW
—❑ ❑—
SILT FENCE, SEE DETAIL
r r r r r r PROPOSED CULVERT
Mmg DG�L^ EH @OH[ 19@U[ @H93
STRAW BALES, SEE DETAIL C
C
— —.-
SURFACE DRAINAGE
NTa
4" DIA., PVC DRAIN PIPE
— — — —
CLEARING LIMITS
SD UNLESS OTHEREWISE INDICATED
(MININUM SLOPE = 1.0%)
®
YARD DRAIN
_
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-
1 - --
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CLEARED AREA =
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TOTAL I'
CUENT
GRAPHIC SCALE .
( IN FEET )
1 inch = 10 ft.
(1) 011, G1688A & S6dk*M Imd (BaAead Mfg. Co., Or Equal)
R9pkm a8 raquked.
EXPIRES: JUNE 7, 2010
SITE P
!CV 19
DEPT. OF C
GNATURE:
PPROVED
iT0 MWATER PLA
Fi
DEPT OF ('OS ` N
1GRATCRE.
Y ;VE p
14E006 SQ. FT.
`\
\1
\
IVEWAY = 1;601
SQ. FT. `
LDINi GS = 2.636
SQ. FT.
)EWALKS = 300
SQ', FT.
AREA = 4,537
SQ. FT.
I
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