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HomeMy WebLinkAboutBLD2009-00314 THIS BUILDING IS NOT FINALED . PERMIT WAS CANCELLED PRIOR TO RECEIVING ALL INSPECTIONS AND HAS NOT BEEN ISSUED A CERTIFICATE OF OCCUPANCY. �4-0°1T Oo JEFFERSC.OUNTY • AlADEPARTMENT OF COMMUNITY DEVELOPMENT I" ` )4 ' 621 Sheridan Street • Port Townsend • Washington 98368 ,� 360/379-4450 • 360/379-4451 Fax �s 4i www.co.jefferson.wa.us/commdevelopment IN Master Permit Application MLA: 001_- � Project Description include separate sheets al necessary): Nt-1. L� A� A c 9 aD ( IT /� Property i�Tax Pa Number: I�1 1. �j001 / Size: =t s 1 (acres/square feet) Site Address and/or Directions to Property: EAST OuiLi:CE)J RP, Ler OP LI N'S E P e $ 47 �t GkNTn FI.A��1 t2oA.p, srA'`iv R1i+7 m Rer Te r Property Owner(s)of Record: t2.A 1 us I.EINt Telephone: * ) 7 4*' t)2t.h2 Fax: Mailing Address: 11555& H tEL,• WA/ FORKS/ WI GI email: Applicant/Agent Of different from owner): L INDh2ir n6 1 45M L'="'�- k}11E674 Telephone: '5k)O" 2' 10)I t9 Fax: ' 4 O. 451 '1004 cT L email: Mailing Address: 47i4i 5. ar ST, Di27 ps►4l<t5 I LU A, 9�;e2 L i b A M C( What kind of Permit?(Check each box t t applies ❑Building 0 Variance(Minor, Major or Reasonable Economic Use) ❑ Demolition Permit 0 Conditional Use[C(a),C(d),or C]*" Single Family 0 Garage Attached/Detached 0 Discretionary"D"or Unnamed Use Classification ` ❑ Manufactured Home 0 Modular 0 Special Use(Essential Public Facilities)**El Commercial* 0 Boundary Line Adjustment ❑ Change of Use ❑Short Plat** ❑ Address ❑Road Approach 0 Binding Site Plan** SEP 1 7 2009 ❑Home Business ❑Cottagelndustry 0 Long Plat** -1:40pane 0 Planned Rural Residential Development(PRRD)/Amendments*" ❑Sign 0 Plat Vacation/Alteration** ❑Allowed"Yes"Use Consistency Analysis 0 Shoreline Master Program Exemption/Permit Revisions** I0 Stormwater Management 0 Shoreline Management Substantial Development** Site Plan Approval Advance Determination SPAAD )L.1 i emporary Use Apt b f p ❑Shoreline Management Variance ❑Wireless Telecommunication* /) / er 0 Comprehensive Plan/UDC/Land Use District Map Amendment 0 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: WI�L/t, y�/1 Li t DESIGNATION OF AGENT I hereby designate #r��t`1r ,� to act a gent in matters relating to this application for permit(s). OWNER SIGNATURE— `"C%o„ / 4 3 � ��� ee � � � � �� Date: 7By signing this application form,the owruagent 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 a • . -mployees,representatives or agents for the sole purpose of application review and any required later inspections. Staffs ess and right of; se assumed unless the applicant informs the County in writing at the time of the,application t at he or she wants rio ice. Signature: t {Q�+Q sit ' t� ��, C Date: The action or actions Applican will ertake as a result of the issuance of this permit may negatively impact upon one or more threatened or endangered species and could ad 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)even if you are in compliance with the Jeffer 'n County develos I ent code.The Applicant acknowledges that he,she or it holds individual and non-trans •rable responsibility for adherin'; to ••complying with.A. The.Applicant has read this disclaim r and si s an dates it below. Signature: _ I /j s _ ' 72- 6 / - J Date: f Documents and Settings\caral\Local Settings\Temporary Internet Files\OLK86\Master Permit Application 12-19-2006.doc • 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 responsibili of th= ' eneral Contr- •P for the proposed project. C !f , / i. i a'ate: Signatur '/ , 4 _• .4•-.J_ / - - - ��►� GENERAL CONTRACTOR I- M: ' FACTURED HOME INSTALLER: PHONE: FAX:(�� � �� ( ) 1LLIS GQ 5TRQ MI al , EMAIL: MAILING ADDRESS: {`Q, 114� �TtW 't4S WAINS CONTRACTOR'S LICENSE a�f SG�' 101 �:� NUMBER NUMBER: Allot ,t..� PHONE ( �52•�f Ilih FAX:(3 445 2101:1 ARCHITECT/ENGINEER: L l I�IN jT 2.0 4' I I Gr/f'7 fit`M,� AA ,,i1,,/�� EMAIL GV- -�'�'(a►I,tNaAK.4�.COM MAILING ADDRESS: �jll� Cj � � 5T p T Amster')/W17 Frame T pe: Bathrooms: Shoreline: Type of Sewage Disposal: Project Type: Existing: ❑ Sewer t. New Weed Bank ❑ Community System ❑ Addition ❑ Steel Proposed: ❑ Alteration/Remodel ❑ Concrete Hei ht:Total: ❑ Individual System ❑ Masonry T SEP Permit# �0(,IO ❑ Repair Bedrooms: Water Supply: ❑ Demolition ❑ Other: Existing: Setback: lit, Private well ❑ Two Party Proposed: — FM. ❑ Public Type of Heat: Total: _ 'f Tt Name of System: r put nip If this is a Commercial Project you must answer the following: Number of ADA Parking Spaces: Number of Parking Spaces: Current: Proposed: Number of occupants(includes owners,tenants,employees,etc) Current Proposed Type Occupancy: IBC T e of construction: Will you have Food Service? Yes / No If this is a Propane Tank and/or Appliance Installation permit,mark Lall items below that apply: ®,Underground Tank Above ground Tank S E P Si le f ne Tank: '2.5P 6 XL ❑Heat Stove jiLCook Stove 0 Woodstove fi, Fireplace Insert 0 Hot Water Tank 0 Pellet Stove 0 Other Is this appliance being installed in a Manufactured 1 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 propertylines, �uildin and optic system components, including the reserve area. S‘Isz o �.e 1" 1/ 7p O a Square Footage 1 Current Proposed For Office Use Only.. . '(mount 'Revision Main Floor Heated EHConsistencyBasefee:Bld App Review.Review: p 2na Floor Heated ei 4,1) sr ,7.71, /3 • `�a Other Heated 3��� Mezzanine Additional Section: Heated Basement Unheated Basement State Surcharge fee: 2 Other Unheated Pot Water Review fee: /60 e V U U y SUBTOTAL �� �` )n Garage/Carport �j C9S t r _ (j /`� Decks 2p6411. ( 91 d Approach fee: � 3 o o Other { TOTAL: $5- .2- 8!a /g Receipt Number: ' ln`i a CashlCheck Number: c,13 1 ., 7 ----- , ”: ESTIMATED COST(REQ IR D) Date:/ _ —j •Fair market value of all labor and ater als foundation to finish Initials: ( :: g . Documents and Settings\c. .cal Settings\Temporary Internet Files\OLK86\Master Permit Application 12-19-2006.doc 40 II (cs,ON--Z-N,\,� JEFFERSON COUNTY k4.41' DEPARTMENT OF COMMUNITY DEVELOPMENT , , 621 Sheridan Street • Port Townsend •Washington 98368 q 360/379-4450 . 360/379 4451 Fax 1N http://www.co.jefferson.wa.us/commdevelopment/ STORMWATER SITE PLAN SUBMITTAL TEMPLATE MLA# S PROJECT/APPLICANT NAME:/2 EL7 f // i ,Z /I dS Please answer all of the following questions to the best of your ability. Where the question calls for depiction on a site map, the applicant may choose to either incorporate the elements into the general plot plan for the Master Land Use Application or to submit a separate stormwater site plan map. Project Overview 1. Describe the proposed developed conditions of the site. Indicate position and relative size of proposed improvements on the site map. 7 /' ,1,�dGGe:2Pe-�f r$/jG /.✓/L--e // ✓/ rf 5//`/G G.G. -/Te4 el'?/ : iNc* w/I"t/(4TJ 1fit.:L7 ,1, 14- . Ac -sS w/Lam- 1/' 4 4 S,1 , f. ScG�'i r,,e' ems' /tve,'.., -/ coN�cc.7"//.,/� 7'62 ,A v' r C. 1 vve.-- ,'c7A, (mac./rls / /( /Z) r r, 2C/,-/ C^-a S G es 7"t/,i• ,,0:7,E, ' - c�/ Existing Conditions Summary 2. Describe the existing topography. Indicate contours on the site map. •7// ,64./.,L..,f)/,,,47. Jam/7 /S "1 L==c'--"V l_ 7'�J2f �i / / i/- G c T-A C� f1372T7c�i�/ ��- 7//e /„,--, 7 /- 61 af;,;�i fr ,S7a27 4/ 4S'r �e See4r",w c!r "/..2 ',.`l,t'- 2744%2 .' 3. Describe the existing vegetation. Indicate native vegetation areas on the site map. r Ang e�,,. 5 4/ f k/ 4. VV .. =-W7ir•" .j V/7 / 5 'c. /Z7 e , a' rt 7/ 2i'�- " /47 23,z24,411 4. Describe the existing soils. Indicate soil type on the site map. - !�/,,e, 1.4/i,44 ,- 49/�,,...25 i r,% /r?A'% -^(41S iee,4/S 5. Describe the existing site hydrology(i.e., drainage; behavior of water on the site—above, below, and on the ground). Indicate existing stormwater drainage to and from the site on the site map. Depict separate drainage basins on the site map, if applicable, and indicate acreage of each. /7- /5 4N7/Ct'/A,7—, 2 71447 -7,17/ //7 Je /7Z✓ s%:4/,'p E' -'4-' 01.4 1'! 7",:: .. 7 //7 7-1? :-1,vb. -i :: �--e9'r-✓4/2z2` 77-: eAST` //V77 TWO- OAV 6. Describe any excess levels of noise generated by the proposed use or activity: f A-V v7'<G- 25S t(o/t (-C-4' -, 1"r`%64' , �, 5 T- j%r= :.,1-(-f S E P 1 7 2009 stormwater site plan template.doc—rev.10/12/2003 5 • I Impervious surface is a hard surface that either prevents or retards the entry of water into the soil mantle as under natural conditions prior to development. A hard surface area which causes water to run off the surface in greater quantities or at an increased rate of flow from the flow present under natural conditions prior to development. Common impervious surfaces include, but are not limited to roof tops, walkways, patios,driveways, parking 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 stormwater. STORMWATER CALULATIONS—IMPERVIOUS SURFACE NEW EXISTING Structures(all roof area) sq/ft Structures(all roof area) d'' sq_ dioa6" Sidewalks sq/ft Sidewalks sq/ft Patios sq/ft Patios sq/ft Solid Decks 2 sq/ft Solid Decks sq/ft (without infiltration below) (without infiltration below) Driveway,parking,roads,etc /2 3' sq/ft Driveway,parking, roads,etc rG sq/ft 8�Go1 Other sq/ft Other �r sq/ft Total New 4 r'tcv sq/ft Total Existing 41�0 sgift TOTAL NEW+TOTAL EXISTING* 4/04,,, sq/ft 'This amount will be used to check total lot coverage. G}C, /✓rqT - ,e,a0.129 C/Z055/N* The following questions will help determine whether the proposed project is considered development or redevelopment. DEVELOPMENT v.REDEVELOPMENT Divide the total existing impervious surface above by the size of the parcel and convert to a percentage: o- 2 % Does the site have 35%or more of existing impervious surface? Circle: Yes No 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 applicable Flow Chart to determine the Minimum Requirements for stormwater 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 #2—Construction Stormwater Pollution Prevention—an additional submittal is not required. The proponent is responsible for employing the 12 Elements to control erosion and prevent sediment and other pollutants from leaving the site during the construction phase of the project. Pick up the Construction Stormwater Pollution Prevention (SWPP) Best Management Practices (BMPs) Packet. Proponents of"medium" projects—those that must meet only Minimum Requirements #1 through #5—and for large" projects—those that must meet all 10 Minimum Requirements—are required to submit a Stormwater Site Plan. DCD has prepared a submittal template of a Stormwater Site Plan, principally for rural residential projects. Complete the template in the Stormwater Site Plan Instructions and Submittal Template or prepare a Stormwater Site Plan using the step-by-step guidance in the Stormwater Management Manual. APPLICANT SIGNATURE By signing the Stormwater 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�proper�yt F NOOWNE OR AUTHORI D REPRESENTATIVE SIGNATURE) (DATE) ar,i •� ( t , i /*� r�S't f 5 r l tii ,w »;y, t: 7,' 7t i7• 't:» 7s7( q `fl`S+ yx -"•' 1.t;•'o-• 6:. �,t;, '1 r (' s poc M1 1T+ i .aS'.+.. ,;x�.-may `�� "s '' 5 'H 1....'.• <�'i } 4t. 'tit#' ' �+ yl4£ .� ,,, " .-.. �1i;~.5�;°��;`�'�uwrXs.� ..�:�x�� -�ia..r,ry�-�.als�a�-a� ° i�,,�,s"I_�•a,r...,ne.i ���,�.s;"I!`Y„F't'(?_r�,f Jr uia�- ..,.'�.":.�_",17�:..��;.:--- -•�s ,1; '�+ stormwater calc worksheet—REV.2/2012008 2 • 7. Describe significant geographic features and critical areas (i.e., environmentally sensitive areas such as wetlands, streams, steep slopes,etc.)on the site. Indicate location on the site map. rile /$ !-//7 remit/J.! GA, t./t7 f/A-V-A-AZl2 — 567.4440) 2' t /O/1/41 ,41,4f{/zA ( /44,0'Peri7 oaf, kir 2- p/JR f1"-&- /715 ,4 a2✓ of PizcP Av,evb li r to /✓, 8. Describe the general vicinity of the site, including adjacent land uses and structures, utilities, roads,and sensitive/critical areas (streams,wetlands, lakes,steep slopes,etc.). -E-- S�� 7, ,Cyr3t9VE' ✓(c��✓/ri `✓/7 / 5�►'✓c-1e /s A/fI/,81 ✓_? /c5 P c=% 4.7f.-64_- ��i s rim, Sir /s' f2Fav 4D ,S� A /t/.47 . �/ �� �✓,+-/ Y ✓i 7. � G �s ?cam �,+ 7�' � +�5 ( / Per`md en nt',tormwater 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. g. 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. 10. If the project requires the use of stormwater treatment facilities, describe the types of stormwater treatment facilities proposed for use on the site. Locate these facilities on the site plan and differentiate proposed facilities from existing facilities. [This is normally for"large"projects or projects that involve the potential for dispersion of contaminants.] - 11. Describe the performance goals and standards applicable to the project. /S 7" („5",4 j. /W/r+?4.9 1 / 771 ✓ c;3i T1/e Z�vs s5r wt� 12. Describe the flow control system. /,✓�?r" prc�rir� s0 G`rc�' w- Doc-i �Gc , 5 , / 2) Sl<r=- 3" Y'�t�c�r�/ Z7'5 -5 : -/ �= 77 —J v �,✓rAti/ , #I / /6r4 stormwater site plan template.doc—rev.10/12/2003 6 • • 13. Describe the water quality system. !//A Z7/S77• 14. Describe the design.conveyance system analysis and �Ty �/� 4L/'6 7 17- 2 - f / 15. Describe the source of fill material, physical characteristics of fill material,and deposition of excess material. 0 / L� �XGriSs o✓i r 'vv� h'IF l �!AG r,✓ d -l 7/577;z/164-7" 17 er3A1 s-• 72 sr4iS( &p5 16. Proposed methods of placement and compaction consistent with the applicable standards on Appendix Chapter 33 of the Uniform Building Code. C 1 , -/-w ✓sr Ty' 17. Describe the proposed surfacing material. � 7 2 ;- D /V 41y' �✓��'. 1�C� / ,4r4e, , )e.,- pu/G- 18. Describe methods for restoration of the site. ,-19 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. L / /Y A 20. List here and include any special reports or studies conducted to prepare the Stormwater Site Plan. 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. r'/j/17 f r _) . stormwater site plan template.doc—rev.10/12/2003 7 • • CONSTRUCTION STORMWATER POLLUTION PREVENTION PLAN(SWPPP) The Construction SWPPP addresses sediment and erosion 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. SECTION 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 2.5.2 of the Manual(beginning on page 2-15). 12 Required Elements—Construction SWPPP 1. Mark Clearing Limits. 2. Establish Construction Access. 4-7 .l.•/ , 4 ,r s(" ' ?r .) rr/rdt::?2 4. Z7 17,67 ) 3. Control Flow Rates. fG fie../ /,1/4/4$ C©Nsj'2'��T/ova' f✓�w �v,�r Au-`�/ 4. Install Sediment Controls. 5. Stabilize Soils. /5-7'4/ > �✓iG .� S "7 �; . r..i�. l =C� 6. Protect Slopes. � r� sr ? se- o _t /-;. ' 7. Protect Drain Inlets. stormwater site plan template.doc—rev.10/12/2003 8 12 Required Elements-Construction SWPPP(continued) 8. Stabilize Channels and Outlets. R —l/_v � F;T W/C-1_/ Af 9. Control Pollutants. pcof��r/T,r�to��S /JO/L-E7 r�i+�<d`"_ '� c� Ot C- Sf�i L.CAS S7 /=. 744_ -1=: .I/- Apc:pJ 10. Control De-Watering(the act of pumping groundwater or stormwater aw y from an active construction site). c�v a C.C., �. 11.1 Maintain Best Management Practices(BMPs). S' �/ W'f�""� a3 fry /kp s T- 7,�R/,/z./ / ,5'T-Aaal L-/ , 7 ) m 'S kJ/cam... 2 (r"pt._/wl e- r2 A 7ai.- a<",/rr G 's .c_/ A� 12. Manage the Project. /"..1 r#4'�✓`r "1"/T! y, / • —7./-✓��/ /A/G2t.�✓ cc J-c./s -��,�1 i 7'!�- C'dn/jAC2 2. Adjacent Areas. a. Description of the adjacent areas that may be affected by site disturbance (e.g., streams, lakes, wetlands, residential areas, roads). A/o/\/-/ ; sip' g r�-,,J U r.7N. �S 7" ' »l5 A Ti ids AII? �i S4.. 2/ SST 37-6—g�'' S�e� �. 7 '�.s -r t2N Vire. �A'✓Z z ���4fG/� . V /s b. Description of the do nstream drainage path leading from the site to the receiving body of water(minimum distance of 400 yards). ���� C�/✓��f1/C�-c��`/l'�,�'�T 27 '-4/ V ,47,75C5 734y 3. Environmentally Sensitive Areas. a. Description of environmentally sensitive areas that are on or adjacent to the site. C0N77/7/00/S_ <./r r°t ... ,7 , • 1 7 20C9 _ i stormwater site plan template.doc—rev.10/12/2003 - 9 '7- • • b. Description of special requirements for working in or near environmentally sensitive areas. �� ^/R '/✓6 ✓E% e. ;a?r c7,J Sri S c7 A 4. Erosion Problem Areas. Description of potential erosion problems on site in the context of the characteristics of the on-site soils(e.g.,erodibility,settleability, permeabili depth,texture,soil structure). 0 /s/ 5!r �7/4.5 (9��4 A�,l� �✓d�� �1 f r4,-k.. 5. Construction Phasing. a. Construction sequence C'�i✓s�"i2t- i ?/ A b. Construction phasing(if proposed) 6. Construction Schedule. Wet season is October 1 through April 30(page 2-21 of the Manual). Provide a proposed co struction schedule. /� 441 — 7.)f'�/ PSi II. Wet Season Construction Activities. /� a. Proposed wet season construction activities. ;i✓`,/4 b. Proposed wet season construction activities for environmentally sensitive areas. 7/49 7. Financial/Ownership Responsibilities. a. Identify the property owner r9sponsible for the initiation of bonds and/or other financial securities. b. Describe bonds and/or other evidence of financial responsibility for liability associated with erosion and sedimentation impacts. 8. Engineering Calculations. Provide Design Calculations on a separate sheet for the following, if applicable. a. Sediment Ponds/Traps. It-, b. Diversions. /`7 /4- c. Waterways. /"7 d. Runoff/Stormwater Detention Calculations b✓-3-r�/‹/N/ 1'/4 /-7r� : .y /Vt.) stormwater site plan template doc—rev 10/12/2003 10 i • APPENDIX 1.) WWHM REPORT 2.) GEOTECHNICAL REVIEW WITH SITE PHOTOS 3.) SEPTIC AS-BUILT 4.) CRITICAL AREA MAPS(JEFFERSON CO.) t I 2909 ~~ • 41 7 j NTI ENGINEERING & SURVEYING \ 717 SOUTH PEABODY STREET,PORT ANGELES,WA 98362 Engineers■Land Surveyors II Geologists Construction Inspection■Materials Testing i S E P 1 7 2009 ;y N 7' (360)452-8491 1-800-654-5545 FAX 452-8498 E-Mail:info@nti4u.cbm www.m14u.com ;i 1/ DRAINAGE & EROSION CONTROL REPORT FOR THE PROPERTY LOCATED ON FLASH ROAD, QUILCENE, JEFFERSON COUNTY, WASHINGTON PARCEL NO. 701293001 LOCATED IN GOVERNMENT LOTS 3 & 4 SECTION 28, TOWNSHIP 27 NORTH, RANGE 1 WEST, W.M. Prepared for Fred & Lorraine Pleines M. W ,e',F OF WA y 4,F 040-01 r .fo 41i30 O , ''4. j!;��,S�,sT,E� „, APPROVED S ONAL. G STORMWATER PLAN Prepared-by DEC 1 4 2009 4 Kate Waddell, P.E. JEFF Rso c u Y DEPT.OF M NI Y : • P. T NTI Engineering & Land Surveyin SIGNATURE: 717 South Peabody Port Angeles,WA 98362 360-452-8491 www.nti4u.com August 6, 2009 othERSO jti filly CCU • • INTRODUCTION NTl Engineering and Land Surveying was hired by Fred and Lorraine Pleines to develop a drainage and erosion control plan and report for their proposed residential home site on Flash Road in Quilcene. Situate in Jefferson County, Government Lots 2 and 3, Section 28, Township 27 North, Range 1 West. As part of this analysis, a stormwater collection and on-site infiltration system has been designed and a temporary and permanent erosion and sediment control plan has been prepared for the construction of a private single-family residence and driveway. II. DESCRIPTION OF SITE The home site is a 5.10 ± acre parcel on Flash Road. The lot is bordered on the north, west and south by residential lots. The site will be accessed from Lindsay Hill Road located to the west via Flash Road, which is private. This road bisects the property from north to south and is located along the west margin of a level terrace. Slopes adjacent to this terrace are steep, up towards the west and down towards the east to the shoreline of Dabob Bay, a marine water body. The lot is undeveloped and heavily covered with native vegetation on the steep slopes. The terrace has been substantially cleared at some time in the past. The underlying soils are mapped as Beausite (BdE), which are classified in SCS soils group "B". III. METHODOLOGY Jefferson County requires the use of the Department of Ecology (DOE) February 2005 Stormwater Management Manual for Western Washington. Based on the manual, new development with a proposed impervious area greater than 2,000 square feet but less than 5,000 square feet and a conversion of native vegetation to lawn of less than 3/ of an acre determines minimum requirements 1 through 5 shall be applied to this property. These minimum requirements are and will be met as follows: Minimum Requirement #1 Preparation of Stormwater Site Plan • A complete site plan has been included in the appendix of this report. Minimum Requirement #2 Construction Stormwater Pollution Prevention (SWPP) • The SWPPP includes twelve elements. Each element will be addressed separately as follows: Element #1 Mark Clearing Limits o The central terrace on property, which includes the building site, was cleared in the past as evidenced on the enclosed aerial photo. No additional clearing is proposed. Element#2 Establish Construction Access o The construction access to the site will be the same as the final driveway access. 6t 1 7 2009 • i o The existing driveway is graveled. No additional rock base is required Element#3 Control Flow Rates o A minimum of a 50' vegetative buffer will be maintained down slope of all construction activities. The roof runoff will be infiltrated on site per Chapter 3, Volume III, Sections 3.1.1 & 2. The driveway runoff will be un- concentrated and dispersed with a minimum flow path of 50 ft up-slope of the top of bank. No streams will be impacted from the runoff. Element #4 Install Sediment Controls o To minimize erosion during construction, a straw wattle will be installed, see plan for location and details. o The natural vegetation buffer will remain down slope of all development. Element #5 Stabilize Soils o To minimize the soil erosion forces of raindrop impact, flowing water and wind erosion during construction, the contractor will follow the exposed and unworked soil schedule set by DOE for all soils on site. From October 1 through April 30, no soils shall remain exposed and unworked for more than 2 days, and from May 1 to September 30, no soils shall remain exposed and unworked for more than 7 days. o All exposed soils caused by construction activities shall be stabilized and hydroseeded or sodded upon completion of the project. Element #6 Protect Slopes o No work is planned for the steep slope below the building site. Native vegetation will be protected and added to as necessary to maintain a covered slope. o There will be no discharge of concentrated runoff towards the steep slope during or after construction. Element #7 Protect Drain Inlets o There are no inlets existing or planned down-slope of the building site. Element#8 Stabilize Channels and Outlets o No channels or outlets existing within or down-slope of the building site. Stormwater during construction will sheet flow across the site through the temporary BMPs. o The home site terrace is relatively flat which will decrease the velocity of stormwater runoff during and after construction. Element #9 Control Pollutants o All chemicals, liquid products, petroleum products and non-inert wastes present on site shall be covered, contained and protected from vandalism and handled in a manner to minimize contamination of stornyatpr7 2009 2 • • o To minimize pollutants generated by heavy equipment and vehicles, all maintenance and repairs shall be conducted using spill prevention measures such as drip pans. Element#10 Control De-watering o The underlying soils are classified in SCS group "B". As this class of soils is permeable, the need for dewatering should be minimal. It is recommended however, that construction take place during the dry season. If de-watering is necessary it shall be done in compliance with the 2005 DOE manual. Element#11 Maintain BMPs (best management practices) o It is the contractor's responsibility to maintain the temporary erosion and sediment control measures and to install the permanent erosion and sediment control measures set forth in this report and plan. o After construction is complete, maintenance of permanent erosion and sediment control measures are the owner's responsibility. o All temporary erosion and sediment control measures shall be removed within 30 days after final site stabilization is achieved or as needed if longer. Element#12 Manage The Project o Management of this project can best be conducted in accordance with DOE if the guidelines set forth in this report and plan are followed to ensure that the long term goals of environmental protection and site stability are achieved. Minimum Requirement #3 Source Control of Pollution • As stated in Element#9, to minimize pollutants generated by heavy equipment and vehicles, all maintenance and repairs shall be conducted using spill prevention measures such as drip pans. • Source control of pollutants during construction can be maintained on this job by implementing the temporary erosion and sediment control measures set forth. • Long-term source control of pollution is the responsibility of the property owner and includes all categories of household and yard chemicals and pollutants. Minimum Requirement #4 Preservation of Natural Drainage Systems and Outfalls • The natural drainage route on the site is infiltration and sheet flow or excess to the east and south and north. • The vegetated portion of the site will continue to sheet flow as it did prior to development. Minimum Requirement#5 On-site Stormwater Management • The roof downspouts will be directed to an infiltration system designed to provide dispersion of excess flow on the surface. This facility will be located a minimum of 50 feet from steep slopes and at least 10 feet from property lines. • The runoff from the driveway will be un-concentrated and dispersed for a S E P 1 7 2009 3 • • minimum distance of 50 feet up-slope of the top of bank. • Routine observation and maintenance by the owner is highly recommended and necessary to maintain a functioning drainage system on site. A functioning drainage system should infiltrate and if necessary disperse the runoff without causing erosion on site or downstream. IV. CONCLUSIONS Prior to breaking ground the temporary erosion control measures set forth in this report and plan shall be installed on site to minimize erosion and control sediment discharge during construction activities. These measures include a straw wattle and standard soil stabilization BMP's. During construction temporary erosion control measures should be inspected regularly and repaired as necessary. Once the site is developed and stabilized, these BMPs can be removed. Due to the size of the site, the minimal slope of the land in the area of the building site and the permeable nature of the underlying soils, the single-family residence roof runoff will be infiltrated on site and the driveway runoff will be dispersed. V. LIMITATIONS This report has been prepared for the exclusive use of Fred and Lorraine Pleines for their proposed construction of a private home. The recommendations in the report apply only to the property that was examined and they are not applicable to other locations. The investigation and recommendations contained in this report are based upon site conditions as they existed at the time of our site inspections. During construction, if subsurface or other conditions are discovered that are significantly different from those described in the report, NTI should be advised at once so that we can review the conditions and reconsider our recommendations, where necessary. Unanticipated soil conditions are commonly encountered on construction sites, especially when the topography has been altered years ago. Such unexpected conditions frequently require that additional expenditures be made to attain a properly constructed project. We recommend that a contingency be established in the project budget and schedule to cover unexpected conditions. Within the limitations of scope, schedule and budget, our services have been executed in accordance with generally accepted professional engineering principles and practice. This warranty is in lieu of all others, either expressed or implied. NTI ENGINEERING & SURVEYING 1 7 2009 Kate Waddell, P.E. 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