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Home My WebLink AboutBLD2021-00255 - 05 Stormwater or Approved StormwaterQa,OZt Lq\f-- i= ritVtr DEPARTMENT OF EOMMUNITYDEYEI,OPMEPI' IIi'I I 621 $heridm $me, Pon'l'o}l*erd, VA 983€6 Tel: 360379,4450 | Pur: 360.379.4451 Vetz trrro.iaatfuc*ra *4."o ltt a'mr.leiataLn a. Eriait &kfu djdirsoa,r*s!Scan the QR- code to access the digital form STORMWATER EAIf IJI-ATION WORKSHEET P^RcEL{ 9O7IOO4O7 pRorEcr/Appuclln naME: BARRY H SCHIESS & MARK H MAGILL DETERMINII{G STORMWATER MANAGEMENT REqUIREMENTS: This stormwater calculation worksheet should be completed first to classify the proposal as "small," "medium," or "large." The size determines whether a Stormwater Site PIan is required in coniunction 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 req uired lan&distufuing aclivity is any adivity 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 disturbinS activities include, but are not limited to clearing, Srading, filling, excavation, and compaction associated with stabilization of structures and road construction. Nottve vegetotion is vegetation comprised of plant species, other than noxious weeds, 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, salmonberry, and salal; herbaceous plants such as sword fern, foam flower, and fireweed. stqmktEr .C. Kltsh€€t OR @d€ - REV. t31/201S PARCEL SIZE fl.E.. SITE} An acre contains 43,560 square feel Multiply the acreage by lhis figure- sq/ft9166Sizeofparcelinsquarefeet Size of parcel .21 "" r" LAND DISTURBING ACTIVITY. CO'{VERSIOI{ OF ATIVE VEGETATIOTI. AI{D VOLU E OF CUT'FILL lncludes BN4p T5.13 Fill VolLlme ) sq/ft sqlft sqlft Well, utilities, etc. Drainfeld, septic tank, etc. Total Land Disturbancr lndacate Total Volumos of Propos€d: Cut Fill lcu^dl Driveway, parking, rc,a65, etc. 311 sq/,fr Calculate the total area to b€ deared, grad,ed, flled, excavated, and/or compacted Ior proposed developmed project. lndude in lhis calculation the area to be cleared for Construclion site for shuclures 950 sq/fr sq/fr sq/ff sqrfr Answer the follovring two questions related to conversion of nalive vegetation: Does the proiecl convert % acles or more of native vegetation to lawn or lanGcaped areas? Does the projecl convert 2 % acres or more of native vegetation to pasture? Cirde: Yes n] t)) Circle: Yes Lawn, landscaping, etc Other compacted surface. etc. _ Temporary construciion area _ 1,261 (A.H, 7/22/2021) STORIWATER CALCULATIOiIS - IXPERVI(X'S SURFACE lm8Nious sudace is a hard surface that ehher prevents or slows the entry of water into the soil 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 areat concrete or asphalt paving, gravel roads, packed earthen materia|t and oiled, macadam or other surfaces which similarly impede the natural infiltration of stormwater. Total Erisring This anount will be used to check total bt cov6.age. 624 TOTAL NEW + TOTAL EXISTING' I79O Patios Olher EXtSTtl{G Stnrctures (allroofarea) 50 sqn Sid,ewalks sq,fr Solid H(s without infi ttration below) Driveway, parking, roads, otc 574 sq/ft t> The proposal is considered redevelopment Answer questaons in Figure 2.4.2. Flos Chart fo. Redevelopme to determine proied size (next pagel. Applicants for "sfltall" projects must comply only with Minimum Requirement #2-Construction Stormwater Pollution Prevention. Please submit the Small Project Certification (worksheet "s). The proponent is responsible for employing the 12 Elements to control erosion and prevent sediment and other pollutants lrom leaving the site during the construdion phase of the proiest. Pickupthe Constructlon Stomwater Pollution Pr€wntion (SWPPP) Best Management Practlces (BMPsl Fact Sheet. Applicants for "medium" projects-those that must meet only Minimum Requirements fl through fs mun submit worksheet Al and 81, a stormwater site plan and a construction stormwater pollution prevention site plan (See Reference A1A and B1A for guidance).). Large" projects-those that must meet all 9 Minimum Requirements- must submit workhe€t A1 and 81, a stormwater site plan and a construction stormwater pollution prevention site plan (See Reference A1A and 81A for guidance), Large proiects also may require engineering. See Worksheet L to determine additional large project requirements, Divide the total existino impervious surface above by the size of the parcel and convert to a Percentage.6.8 DEVELOP ENI Y. REDEVELOPME T Does the site have > 3596 or more existinq imoervious surface? F no yes The proposal is considered new development. Answer questions in figure 2.4.1 Flow Chart for New Development to determine project size (nert pagel. Worlsheet, I as the applicanvowner attest that the information provided herein Z 0zr oArE) that this application is being made with the and consent of all owners APPLICANT and correct By signing the stormml€..dc wistel OR code - REv 5R1201s EW Structures (all roof area) 855 * Sidewalks sq/fr Patios sq/ft Solid Decks sqlff without inf ltralim below) Drivenay, parking, roaa", et" 311 q,tfl Other sq/fr TotalN€w ' 05 sen I .ft (1,182 sq A.H, 7/22/2021) 1,806 Worksheet S Small Project Certification Applicant Signature By sitnint the small project certificaton,l as the applicant/owner attest that the information provided herein is true and correct to the best oI my knowledge. J + l7 2ozt taNoowNrR oR aurHoRrzEo RtpREsctrTA vE stcaaaruRE)(DArr) 1 2021 This certification may only be used if you answer yes to all of the questions below (circle yes or no) . Otherwis€, a submittal prepared by a licensed engineer may be required. Yes no Permanent and temporary drainage on site is designed to divert Sto.mwater away from my onsite septic rystem or any neighboring onsite septic system. no lf located in a Seawater lntrusion Protection Zone (SIPZ), I am able to infihrate stormwater onsite using a dry- well or other method (full dispersion, downspout disp€rsion). no My pro.iect will not dis(harge stormwater runoff into a critical area (includinB but not limited to: geohazard area or its 3o-Ioot buffer, wetland or Fish and Wildlife Habitat Conservation Area) Yes no My proposal is a small proiect, which means it will create less than 2,000 square feet of new, replaced, or new plus replaced impervious surface area, and has less than 7,OOO square feet of land disturbing activities as defined on the Stormwater Calculation Workiheet. I understand that my proiect must comply with Minimum Requirement S2 in the Department of Ecology Stormurater Management Manual as amended. I have read the Construction Stormwater Pollution Prevention Fact Sheet and will implement B€st Manage. ment Practices (BMP's) as applicable to my project. l-i- ll rV 1,,:, I l)] I -l(r: ii Lfir.ryl;ruFt* daclnrfu lh,trg April 19,2021 Letter of Authorization: We, Barry H. Schiess & Mark H Magill, homeowners of 210 Combs St., Port Townsend, WA 98368 Parcel# 977100407 appoint Emelia De Souza, DBA Desigrrs by Souza, Inc. their legal agent for the purposes of: Sub Division, Lot Line adjustment and all other permits, applications, and site development on said property only. Said agent is authorized to act on our behalf with, and to obtain any and all information they may request from, all companies, financial institutions, governmental agencies, contractors, real estate agencies, and all other third parties as necessary for the expeditious resolution of the Sub Division activities on said property. This authorization does not give Designs by Souza, Inc. the power to incur work, or to direct any activities, which may cause liens to be filed on said property without our wriften consent. Our signafure to these and all other activities will constifute our written consent for work which conforms to those activities. The homeowners release and hold harmless all persons relying on this authorization from liability for disclosure of otherwise confidential and private information to Designs by Souza, Inc. for these purposes. Signed: Barry H. Schi Mark H Magill 2b zl L|,J\ Date Datc Voice: 360.379.8338 Fax: 36O.379.1327 herry@desi gnsbysoltzit.com l,PR 21 ?A21 164 Swanson Ave Port Townsend WA 98368 www.desi gnsbysouza.com J Designs by Souzo, lnc. Desigrs for Sustoinoble Living Tanmihl lb: Jefierson County DCD From: Designs by Souza, lnc. Pagos: See Comments Phore:Date: 4126D021 Re: Schiess & Magill Garage GG: tr UrgErt El For Bsdcs tr Pl6ea Commclrt tr Ple@ Roply tr Plc.re RccAclo 1 ) . commorlt3 fu day DCD. We are sending you (2) two copies 24x18 plan set 'Garage for Barry and Moss', (3) three copies of Bite phn A1 .3, (2) two copieB of floor plan A2.2, agent authorization, and copy of permit application and check list Please let me know of anything you may need. Thank you, Emelh De Souza i;(ili'.llV/lF T De€EnE by Eouza, he. 16,4 Swanson Ave. Port To\ ,nsend, WA 98368 henry@desionsbvsouza.com 3m.643.3690 Faxl PR ?- 1 2021