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HomeMy WebLinkAboutBLD2008-00025I • . QN �!AN 2 2 2008 ;'JEFFERSON COUNTtrikq, DEPARTMENT OF COMMUNITY DEVELOPMENT 1v 5`0;,;F.NT 621 Sheridan Street- Port Townsend-Washington 98368 1 360/379-4450 • 360/379-4451 Fax http://www.co.jefferson.wa.us/commdevelopment/ STORMWATER SITE PLAN SUBMITTAL TEMPLATE MLA# PROJECT/APPLICANT NAME: V t Grr-,t WAS -44. P 2s 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. Tt y�ulEc.c�PFIE i Y¢o t� cos,.l�gr of d. 264� 5F 5tkC e,auxLNG vAtS4t GRA4&- '4Ji?�,iF�+-1Ao 1 Cycles n.�(sr (.,.Q �t ,A4F�,-sS 'Rc AP. • Existing Conditions Summary r fl N jy q C D 2. Describe the existing topography. Indicate contours on the site map. `i�1' °) t� Sv ram-� To -r %-i st ftfl TOr3DIXpS -j"ois47:› 5444 3. Describe the existing vegetation. Indicate native vegetation areas on the site map. -ram tent-1..16a ata qi- aes-tttxieN. c s Stx. . is 4. Describe the existing soils. Indicate soil type on the site map. SOIL. i-y?E »�E taoveo'S�4tecz, C .S_�,f�� 411•&y Goal��ar. t�.ic,j ,� Pa a✓p +,t rae.i>< ?y f - c a De.0 ffr 0M.,es..ii- ,ta yl p_,e, S cok s1o1r-.4 , tI tc.4t L 5 ,d 5A as ay L,oAyA, 4 ctonp G) A.4' Ls C.*Ks t .> vit t-rtk J 5F Oter nicaea?) 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. A Tyre. 5 544.sc-4A-L- 3_a -rr-,a I cz6E's TUC- sn: STE-JJ ie tova of 5t / rote 'r-.ff letiT d PRAt Tel • -tie 5c-rei -f?.daGAS AS 5E4 t<t-vv3/1 N.raZ01474 f 6. Describe any excess levels of noise generated by the proposed use or activity: 1�vt t ,€t itrt.. owty Fsg 6t aqvaP pc) t co s;,eacAl.04 A vttw stormwater site plan template—rev.1UW1/2003 5 • • f� . JAI\ 2 2 ?008 7. Describe significant geographic features and critical areas (Le., environmentally sensitive areas such as wetlands, streams, steep slopes,etc.)on the site. Indicate location on the site map. Ski s eri : p gwp 5 St'a E.n x At-ic' � 54-647 4t-orms psi . 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.). TrIE `atTE CONS t5TS of ru4O t..ortS TLI,Ar-'C Cr:44 OL.WA-r l J(24'C ' o1.1 .4 0-4 A 51)& t,vr 5t teuvts1o+1, vliltc+t F..otx`c5 01.1 �[e�T-�AI�Ix .�D - } tc• DtPC l lao0 t 'A �•� CzaA�U Ate tta 5— of ' '- - F-c&i:,• 1��t5 is 74. 64.t ...Yrit.C.� .Q ,2*A4. ,D Ft= - (.1Z-0...4-r . Sea t6�a-SL ri LIS iNca ....4.4s. Permanent Stonnwater 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. 172 .44 Sra AzActr-c'S bt-LQ Q12,-kJeAA-V,6.f Gyt-i ' vstr.1-- Sdtt, tx rt-C 2,4w4cile-as -re, -r141.1.% 36a" Q c�wOtt,1ems_ T¢re `. tt TA c,f-P I.O,J ( s� -ica- TD As 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.] -c %at t '> tc W > ',atitcl.A 11. Describe the performance goals and standards applicable'to the project. To fr of?- 'l�_�`r--1 bs r�r►-� �ir�S tT-- v--4> �ti ip re-1L 2 ? '0 fkr-39 17. 12. Describe the flow control system. 3.1.�.. ca� -rt ?-��S UJ p . 5 cpc- 6 stomiwater site plan template—rev.10I2003 • • JAN 2 ? 2008 y: 13. Describe the water quality system. A-S D 5't2-I.F3FI� I fJ t— T7�S �CEt --�r�1 2 �C_ j flc � ^�1�: c'i Nstr 14. Describe the conveyance system analysis and design. " T>!A. 7740- t i fCrQ i - ,rest yftiop 15. Describe the source of fill material,physical characteristics of fill material,and deposition of ex-A cs material. /n tTfd/4-4— il To //i2 ayT L'11..E-© F ly 16. Proposed methods of placement and compaction consistent with the applicable standards on Appendix Chapter 33 of the Uniform Building Code. • 17. Describe the proposed surfacing material. p7/7 18. Describe methods for restoration of the site. 7f-6/?2,2. Z7/i-1 t=0,g/25c.-41 pzdelovp,t4c5 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. 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. Al/of str tr 1;001111 slonn ter site pan template—rev.10/12003 • • JAN 2 2 2008 CONSTRUCTION STORMWATER POLLUTION PREVENTION RAM(SWPPP) J The Construction SWPPP addresses sediment and erosion control during construction. The BMPs indicated by the applicant°=ltt"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 (I3MPs) 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 2.52 of the Manual(beginning on page 2-15). 12 Required Elements—Construction SWPPP 1. Mark Clearing limits. 2. Establish Construction Access. rrr —/cSrW1 7 etc/rl/. 3. Control Flow Rates. ./ 4. Install Sediment Controls. r-4 rr .� as 3 fib- 5. Stabilize Soils. 6. Protect Slopes. fi 7 c i 5 /d/ vim✓r © rfir 7. Protect Drain Inlets. iit&we pf4. A1/R— aSi l fi f�iiu�iTh ii Uii I i Jai; stom water site pan template—rev.10'12003 8 JAN 2 '3 OOP 12 Required Elements—Construction SWPPP(continued) i I 8. Stabilize Channels and Outlets. / /49We. l,E1 JO�e g)� t e- 7,47t5 7W/A' _ 9. Control Pollutants. A,P C eIi*J ski-��,/ bpi wf �✓�l-c-� //14006.4prei e-i.Efr./,O d 10. Control De-Watering(the act of pumping groundwater or stormwater away from an active construction site). 11. Maintain Best Management Practices(BMPs). . zrir ///icrn J "/ 1 / /7,4/41,0,70 JGS 11WourAic — tfor5 51,1pF4P' 12. Manage the Project. 706 c= 0-- eiwilereGlwAieloo 2. Adjacent Areas. a. Description of the adjacent areas that may be affected by site disturbance (e.g., streams, lakes, wetlands, residential areas,roads). 716 7y p WFII c,i/ 7 M ►:�r<S j W S'� Q 4;445 ,57; v T C�!hlt-d .c? b. Description of the downstream drainage path leading from the site to the receiving body of water(minimum distance of 400 yards). 7 S 6izE N�o ,�-,i �' j-c-v�✓s Tc 7ei #4SF'o r1A77 t1/f71r/.f $PST. Smarr. 3. Environmentally Sensitive Areas. a. Description of environmentally sensitive areas that are on or adjacent to the site. fY5i-a oc Nip p;3to Adz:, ,its LfSON CUUiuiY )CD stommvater site plan template—rev.1 O/12003 9 • • JAN 2 2 2008 b. Description of special requirements for working in or near environmentally sensitive areas. Obrev -/s/ j1F.gw2 bar �,K (.6-c+') Ai) Campy J.rN BAIPs 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,permeability,depth,texture,soil structure). Egtas/e%>,/ Isy 2,4.,a vs •Q/2. Lii•c-/l pat : i ^/o co,✓ce rr or/.iif- As A.e ay7,4r 7 f 2 aws/Te s'o/Gs /1.1 (.Uc .ate 7iu-. A isk rkatici 9 2 /c.,z/ SJs.v7l, 3} try- -p 6i 6 /1- PIQe �' d1,e916, 77,,l 1.1544- 5 •g.i_ w1 5. Construction Phasing. a. Construction sequence c -AD/.►lea Kee /S Fv /U/?moo 1)t f = /?f n1t✓ b. Construction phasing(if proposed) 41 6. Construction Schedule. Wet season is October 1 through April 30(page 2-21 of the Manual). I. Provide a proposed construction schedule. 13.-91/I E II. Wet Season Construction Activities. a. Proposed wet season construction activities. /Il SAD P7c7 -ft.' Oar /�.1-tar-e. 47NC.1 b. Proposed wet season construction activities for environmentally sensitive areas. ti74- 7. Financial/Ownership Responsibilities. a. Identify the property owner respopsible 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. A5 y �-5cl1 Cv 8. Engineering Calculations. Provide Design Calculations on a separate sheet for the following,if applicable. a. Sediment Ponds/Traps. /r R b. Diversions. i/ c. Waterways. ,(✓ / , d. Runoff/Stormwater Detention Calculations /✓ /A- EFFERSON COUNTY OCO storm rater site plan template—rev.10/12003 10 • • Stormwater Site Plan Changes If the designer wishes to make changes or revisions to the originally approved Stormwater 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 ("as-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 also certify that this application is being made with the full knowledge and consent of all owners of the affected property. 22 ,)pw • og (LANDOWNER ESENTATIVE SIGNATURE) (DATE) THIS SPACE MAY BE USED FOR ADDITIONAL NOTES,IF NEEDED: r4 r �1 T� 1 1 • 1 JAN 2 2 2008 I t'ERMIT # Bib 08 - 0 .0 :. jEFFERSON COUNTY OCB stormwater site pan template-rev.10/1/2003 12 0 06. JEFFERS . UNTY 4, i g DEPARTMENT OF COMMUNITY DEVELOPMENT 621 Sheridan Street • Port Townsend •Washington 98368 360/379-4450 • 360/379-4451 Fax BAN 2008 , Na,,O www.co.jefferson.wa.us/commdevelopment Master Permit Application MLA: OS - Ja--. Project Description(include separate sheets as necessary): NIA / Q AlzA4 J CA fzpoPer Tax Parcel Property Number: 9O 1 ^ 122 -601 Size: (acres/square feet) Site Address and/or Directions to Property: Cal taAr Lo 4?. )tt• Property Owner(s of Record: WAe-t:SIl 4/ V 1 614. [ 'S Telephone:42S 392--2o32_ Fax: email: Mailing Address: -2CS E3A " LAie 3 5annmArY)151-4 PL se/ SC mrnAO ie2)-1� wA �'J/ 7 Applicant/Agent(if different from owner): Lt tvop,&gc.i +( rjM l-rP LitzCw rThscrs - ..-i-lp 5 51k41711 Telephone: 31,09 I42— CM)(, Fax: email: CDN7KLT&I., Gul, co rY) Mailing Address: _ 3, OI S• U1 1 lg_� ( �2T ANGM 1 W ix W at kind of Permit?(Check each box that applies uilding ❑Variance(Minor,Major or Reasonable Economic Use) ❑ Demolition Permit ❑ Conditional Use[C(a),C(d),or C]** El Single Family A Garage Attached Detache 0 Discretionary"D"or Unnamed Use Classification ❑ Manufactured Home ❑ Modular 0 Special Use(Essential Public Facilities)** ❑ Commercial* ❑ Boundary Line Adjustment ❑ Change of Use El Short Plat** ❑ Address 0 Road Approach ❑ Binding Site Plan** ❑ Home Business 0 Cottagelndustry 0 Long Plat** ❑ Propane ❑ Planned Rural Residential Development(PRRD)/Amendments** ❑Sign ❑ Plat Vacation/Alteration** ❑Allowed"Yes" Use Consistency Analysis 0 Shoreline Master Program Exemption/Permit Revisions** ❑ Stormwater Management ❑Shoreline Management Substantial Development** ❑Site Plan Approval Advance Determination (SPAAD)* 0 Shoreline Management Variance ❑Temporary Use 0 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: b• 1 DESIGNATION OF AGENT ��,� I hereby designate l4 T11 to act as my agent in matters relating to this application for permit(s). OWNER SIGNATURE %+ f., / :''5C-- Date: J °d t�/�e` ' 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 a tica9ibn b he or s �r s prior notice. _SignatureC _--?- --' .4_4 ...., .4'L- Date: �/2E/' 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)even if you are in compliance with the Jefferson County development code.The Applicant acknowledges that he,she or it holds individual and non-transferable,tspon ibility for adhering to and complying with the ESA. The Applicant has read this disclaimer andsigns and dates it below. Signature:� ,.' �,� � ��t:�S . > Date: z -2 ��s� ::\PennitCenter\###FORMS###\DRD FORMS\Master Permit Application 12-19-2006.doc Y� 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 e ssu i the responsibility of the General Contractor for the proposed project. Signature: Date: GENERAL CONTRA OR OR MANUFACTURED HOME INSTALLER: PHONE: FAX: ( ) ( ) MAILING ADDRESS: EMAIL: CONTRACTOR'S LICENSE WAINS NUMBER: NUMBER ARCHITECT/ENGINEER: PHONE ( ) FAX: ( ) MAILING ADDRESS: EMAIL Project Type: Frame Type: Bathrooms: Shoreline: Type of Sewage Disposal: New .Wood Existing: ❑ Sewer ❑ Addition ❑ Steel Proposed: I Bank ❑ Community System ❑ Alteration/Remodel ❑ Concrete Total: I Height: Individual System ❑ Repair 0 Masonry S P Permit# 0 11-r\k O Demolition 0 Other. Bedrooms: Water Supply: Existing: 4bir Setback: 0 Private well El Two Party Type of Heat: Proposed: .+ Public - i4K�m Total: •• N me of System: 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: 1 Underground Tank 1 Above ground Tank Size of Propane Tank: 1 Heat Stove 1 Cook Stove 1 Woodstove 1 Fireplace Insert 1 Hot Water Tank 1 Pellet Stove 1 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. , 4 •� ', #tr� ,A5n J ..ur :u* 4 r ."q f " „ Square Footage Current Proposed Oe ,p ,. . .s 1•ev,' �.tJr!,it . Main Floor Heated oc4il EH Bld App Review: 1 L :cyt 2-1C 2' Floor Heated •4% ;; Consistency Review:ilAW-TA ,5nf ct; ,.Y Other Heated .s z Base fee: ( .35 Mezzanine 4, ,r, r Rdditiona Heated Basement r.- M— -3(pri ` "' ', Plan eck fee: Unheated Basement 9/Droc e State Surcharge fee: ii 0 lit) , C1. ' Other Unheated r t o3l3 p '` . Pot Water Review fee: OD '-5-kro<u .S--l00c- Cr). Garage/Carport ' -.4'' SUBTOTAL Decks .,-''1 _ 'A 91�1/Rd Approach fee: Other -_:_ Gesrz D12 ?✓' r �,�zt3 A TOTAL: $ac�qA,?s` j 02, ‘14 1' Receipt Number: ° --1 ,C _/ -'~--- - -Cash/Check Number: ` ESTIMATED COS EQtJIREM Date: •Fair market serf all labor and materials foundation to ish 1/4 o W `T ) ) O I OG .° a Initials:,1 AN 2 2 2006 C G:\Pen #\nitCenter\###FORMS## DRD FORMS\Master Permit Application 12-19-2006.doc h c 9 Fs 44 .�` Z rri •I 7 pc lrl '-+ _ CMit ll, / n r/d�7 � � P.ci ill q /1 >77 \\ 1 E i ; -.0 • illi 5 11). • � � o CI) Z mg.. .- 1 I /i,— ,� • --I _....„....:„.1 .43k.. ni ig • — - .. - . r. ..3 C 0:: ,;;�, PZJ 0 ilgt2 • :, o N ril 7 'C • o, •. • • , -1 ; .. . . . .. . .. . . .. . . IP •. • • ii ••ci .. til. • y , , \)-(1 • •,• \•• • .,• .: . ii,.. .. .. .. . .... ..... i .. \ \ po „... th:::::::, t : . )/ w (24_ PR iii ..... tig \• . Vie .' .r,,,,/ d :'jA, I\ `•( 4,0„. 4 • •'.• 1 v 0 AlteW.41,' _ cow i I; 41. / q . r 4 2 .111 .6 L 11. i.g til,c; • 1L . 'yam ! >'•i Vb. -ei L °� . 2I ` r .. ,, y€ ° :2E :y aFIND I„� Dsiit ofa Eo CTeesaz Warren & Vicki Beres • A ID) .f^1 MT II F9' 71:7 .f't rq, 0 131..........Pa.n% •/[o_Ylla ........ .... `1 .�....,w.r I T(1(f LI L1WYf.1pYI OM TT_�l__1_ T1�_J Tl__L TT_�l�_1_ Tf♦ , . ‘......&.....„-5\ • 6'-0' 1 24'-0' 1 6'-0' 6'-I0 3.4' fl'-I I/4' 3'-0' f'-0 7-10 4'),2'-O'/ 3'-4' ),2'-0'j, 3'-4' /2'-01), 3'-0' r-5 V4' 0 . . i-±i'>. • Bli 91 .. SZ Si 0 , • (Al r :ui §E O N. / 22 Ulf 6 ri, 0, ..,..40 1 .. III \ rw 'a'� N 116 IA q .... !J., .., ko 4. P lg 4 a ( t 4 er Lit 7i _)\. _t____.) 1 42 I 2 VVX \ li4 \ c. 0 DC GI 1>A 4 (- j 0 A W.:r•-• t' T , 6'-4 V2' IO'-3' T !-3' T-3' 6'-IO I' T T y'-6' I- 36'- y-' (ff 36'-0 i f n v1c s....41, D .K.ae w I _ __ I --- I - -- - - - .., I ♦ • ♦ el --I/ a? ♦ O . x N 0 et IF kr N c ig Z .11 rn 2 tz l il do) M ❑ a ix> I Z N IT 4 / z 42,1 it 41 ICI ❑ \ _ ♦ ♦ b'ii 14-10' //8' 9.-8' / 9-8' V// a IF. • 0:W-4' / 1C-8' l' • • V • - 36�-0' / wLIND I.)ER � �� �e South,�Bey - I DATE n-�-o, I IRE SfEFEDI ' A New Wood Shop For ` MCHITECT 1iI Purl. An�lws TA oaart2 w_vlaxn TIT,.....,..... 0. IT;„1.; D.,,.. - EROSION CONTROL NOTES 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 SEDIMENTATION 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. 1,-0" 2 X 12 RESSURE— TREATED GRADE BOARD- 4 Z 5� iv GALVANIZED BOLTS 2 X 4 SUPPORT POST (P.T.) 6" MIN. PIPE r1 —0" ON*. O.D.-1 J. 20ul'. SECTION A -A TION/DISPE STABILIZATION NOTES 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 NMEREVER VEHICLE ACCESS ROUTES INTERSECT PAVED ROADS; (3) MATERIAL SHOULD BE QUARRY SPALLS, 4" — 8" 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 CONSTRUC71ON 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 USTED 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). _CLEAN 5% FINES) MAINTENANCE: INSPECT STABILIZED AREAS REGULARLY, ESPECIALLY AFTER LARGE STORM 3/4" — 1 1/2" WASHED DRAIN ROCK EVENTS. ADD CRUSHED ROCK IF NECESSARY AND RE —STABILIZE ANY AREAS FOUND TO BE ERODING. 6" PERFORATED PVC PIPE LAID FLAT WITH HOLES UP CONTROL MEASURE: DUST CONTROL FILTER FABRIC (2 SIDES AND BOTTOM) 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 (ALIGN TRENCH PARALLEL WITH CONTOUR) 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 PALUATIVE. NOTE: OIL IS PROHIBITED FOR USE AS A PALLIATIVE. RSAL TRENCH/ N.T.S. "1 61-0' S' X X 2" POSTS FSERJIED� FEET 6Cpn oGROND NOTE: SILT INTERCEPT SWALE MAYBE SUBSTITUTED FOR SII,T FENCE WHERE APPROPRIATE. VPROVED SILT FEN 'LANQPp J FERSON COUNTY DEPT. O OMMUNI TY DEVELOPMENT SIGNATI'eAu -^4 STRAW BALES AS REQUIRED NAVD88 NGS I JCIA" 12" MIN. 4" - 8" QUARRY SPALLS PROVIDE FULL WIDTH OF INGRESS/EGRESS AREA LIZED CONSTRUI NO SCALE S" "POSITION FILTER FABRIC OVER ENTIRE TRENCH PERIMETER AND BACEFII.L IT' WITH NATIVE MATERIAL. ON THE UPSLOPE SIDE OF THE FABRIC. ON STAKE BALES TO MAINTAIN POSITION AS REQUIRED ( 2 STAKES / BALE ) 1'-0" MIN. FREEBOARD NO SCALE STRAW BALE SWALEE 4 (USE AS REQUIRED) 1 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 HC ;SEE ALSO MULCHING, SODDING, PLASTIC SHEETING BMP'S). DURPOSE: 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 "ENCES. )ESIGN 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 HEATHER, 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 DROCEDURE IS BASED ON THE INCREASED POTENTIAL FOR, AND CONSEQUENCES OF, FAILURE )F EROSION AND SEDIMENTATION CONTROL STRUCTURES DURING THIS PERIOD OF HIGH PRECIPITATION AND THE ASSUMPTION THAT AREAS NOT BEING WORKED ARE LIKELY TO BE _EFT UNATTENDED. DONTROL 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: )ESIGN: (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 ;ONSIDERED 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 cOR MORE THAN 3 MONTHS. HAY AND STRAW ARE SUBJECT TO WIND BLOWING UNLESS KEPT HOIST OR TIED DOWN. THEY ARE THE MOST COMMON AND WIDELY USED MULCHING MATERIAL; GOOD FOR EROSION CONTROL IN CRITICAL AREAS. ANCHOR BY CRIMPING, DISCING, ROLLING OR PUNCHING INTO SOIL, COVERING WITH NETTING, SPRAYING WITH A CHEMICAL OR IBER BINDER OR BY KEEPING MOIST; (2) WOOD FIBER CELLULOSE (PARTLY -DIGESTED WOOD -IBERS): WHEN USED FOR EROSION CONTROL ON CRITICAL AREAS, THE APPLICATION RATE SHOULD BE DOUBLED. APPLY WITH HYDROMULCHER. NO TIE DOWN IS REQUIRED. PACKAGED N 100-LB BAGS. NOT RECOMMENDED FOR HIGHLY ERODIBLE SOILS IN HOT WEATHER; (3) ;RAVE, CRUSHED STONE OR SLAG: EXCELLENT MULCH FOR SHORT SLOPE AND AROUND WOODY ILANTS AND ORNAMENTALS. USE WHERE SUBJECT TO FOOT TRAFFIC; (4) CORN STALKS: SHREDDED INTO 4" - 6" LENGTHS, DECOMPOSES SLOWLY AND RESISTS WINDBLOW; (5) WOOD 'HIPS: CANNOT BE CLOSELY MOWED. DECOMPOSE SLOWLY AND DO NOT REQUIRE TACKING. )DES NOT PROVIDE NITROGEN TO SEEDS UNLESS TREATED. TENDS TO WASH DOWN SLOPES STEEPER THAN 67, (6) BARK CHIPS/SHREDDED BARK: CANNOT BE CLOSELY MOWED. ADDITIONAL NITROGEN FOR SEEDS NOT REQUIRED. TENDS TO WASH DOWN SLOPES STEEPER "HAN 6%. AVOID TILLING BARK OR SAWDUST INTO SOIL, AS IT TENDS TO REMOVE NITROGEN 'ROM SOIL, RELEASING IT ONLY WHEN IT DECAYS. PROCEDURES: (1) MULCHES SHOULD BE USED FOLLOWING TEMPORARY OR PERMANENT >EEDING; (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 MTH 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 STABILIZATION NOTES (COIii 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 PROT CT AGAINST HEAVY RAINS BUT ALSO PROVIDES WARMTH AND LIGHT TO PROMOTE GERMINATIOI• 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 AM 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 DOYM 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 INSTALLD IMMEDIATELY ON AREAS SEEDED DURING WINTER MONTHS, AND REMOVED AS SOON AS POSSIBLE ONCE VEGETATION IS WELL GROWN TO PREVENT BURNING THE VEGETATION IiROUGH THE PLASTIC SHEETING, WHICH ACTS AS A GREENHOUSE; (4) WHEN COVERIG IS USED ON UNSEEDED SLOPES, IT SHOULD BE LEFT IN PLACE UNTIL THE NEXT SEEDING PEROD; (5) PLASTIC COVERING SHEETS SHOULD BE BURIED TWO FEET AT THE TOP OF SLOPES IP ORDER TO PREVENT SURFACE WATER FLOW BENEATH SHEETS. MAINTENANCE: PLASTIC COVERING OUST BE CHECKED OFTEN FOR RIPS AND PLACES WHERE THE PLASTIC MAY BE DISLODGED. CNTACT BETWEEN THE PLASTIC AND THE GROUND SHOULD ALWAYS BE MAINTAINED. ANY AIR EIBBLES 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 TYPE 30 CATCH BASIN WITH SOLID COVER INVERTED ELBOW AT DISCHARGE TABLE 3-1 MULCH MATERIAL, APPLICATION RATES AND SPECIFICATIONS MULCH MATERIAL QUALILTY APPLICATION APPLICATION 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 SALES) ENTIRE SURFACE SEED & COARSE (MIN. 2") MATERIAL WOOD FIBER DYED GREEN. 25-30 LBS. 1000-150D LBS. 2" CELLULOSE NO GROWTH ORGANISM INHIBITING FACTORS TABLE 3-2 TEMPORARY EROSION CONTROL SEED MIXTURE NAME PROPORTIONS BY PERCENT PERCENT WEIGHT PURITY GERMINAION REDTOP (AGROSTIS ALBE) 10% 92% 90% ANNUAL RYE (LOLIUM 40% 98X 90% MULTIFODUM) CHEWINGS FESCUE (FESTUCA 40X 97X 80% REBRA COMMUTATA) JAMESTOWN, BANNER, SHADDOW OR KOKET WHITE DUTCH CLOVER 10% 96% 90% (TRIFOLIUM) Legend SURFACE DRAINAGE _+8— — — DOWN SPOUTS TO INFILTRATION/DISPERSAL TRENCH IN 6" DIA., PVC PIPE (MIN.SL.=1.0%) c c SILT FENCE, SEE DETAIL C1 STRAW BALES, SEE DETAIL C (TYP.) C I i Site Plan � oMAC(Eq�y��F GRAPHIC SCALE zo o to 20 ao eo ,Q 8425 'ION TV ( IN FEET ) 1 inch = 20 ft. EXPIRES: JUNE 7, 2006 a ASPHALT SURFACE NOTES: 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. DIAM ER�PLUS LE YARD DRAIN WALLL° HHIC OUPIPETLET OUTSIDE ® MADE CONNECTION TO TITH INSIDE PIPE THE TO YARD DRAIN WALL ® CAST IRON BELL GRATE FITS INTO BELL RECESS AND DITENDS FLUSH WITH FACE OF BELL THE GRATE SHALL HAVE SLOTS HOLES THAT CONSTITUTE 50 PERCENT OPEN AREA FOR DRAINAGE I LET ELL SURFACE SHALL BE FINISHED TO ASSURE NON -ROCKING FIT WITH ANY COVER POSITION. G WASHED DRAIN ROCK. 6 INCHES MINIMUM DEPTH. G MARES 12 INCHES OR 18 INCHES. SPECIAL CAST YARD DRAIN MAY BE REQUIRED FOR MULTIPLE PIPE CONNECTIONS. YARD DRAIN IS NOT PERMITTED WITHIN THE RIGHT-OF-WAY. VICINITY MAP PLAN VIEW 4 FINISHED GRADE z a 0* ELEVATION VIEW C1 YARD DRAIN CONNECTIONS "i (TYPE 45 AREA DRAIN — 8" DIA.) N.T.S. EMERGENCY CONTACT PERSON WARREN BERES PHONE: 1-425-941-5836 t'S 0 0 � q o s RQ S�P � O � 2 C 60 0 1 ♦ ap ♦♦ OD" ♦♦♦ 4(<. C1 MacLearnsberry Engineering, P.S. Vicki and Warren Beres Civil Engineers o Planners Stormwater Site Plan (SWPPP) 159 Wyatt Way NE Bainbridge Island., WA 98110 Oak Bay Lot No. 9 phone: (206) 842-5514 facsimile: (206) 780-2408 DRAWN BY MCM DAT>= December 12, 2007 JOB NO 27529 CHECKED BY MCM SCALE I "=2O' SHEET 10F 1