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Home My WebLink AboutBLD2014-00129 - BLD Small parcel storm water management - 2/11/2014 1 r% DING N:4 Parcel#�2-0 7 - BLD# FEB 2 4 2014 Mason County Department of Community Development 42,Small Parcel Stormwater Management Application/Worksheet (page 1 of 2) Per Mason County Code, Title 14,Chapter 14.48 a stormwater site plan is required whenever a building application is made for residential development, or redevelopment',with more than 2,000 square feet of impervious surface. 'Redevelopment means,on an already developed site,the creation or addition of impervious surfaces,structural development including construction,installation or expansion of a building or other structure,and/or replacement of impervious surface that is not part of a routine maintenance activity,and land disturbing activities associated with structural or impervious redevelopment. 'Common impervious surfaces include,but are not limited to,rooftops,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.Open,uncovered retention/detention facilities shall not be considered as impervious surfaces. alculate imperwous'Sur# ces l'II Comp&ete This Tab7e': _ _ Surface Type Length X Width = Area =All dimensions in feet BuiiqLings X = X = :2-A Measurements for buildings are taken at the perimeter of the farthest projections(example: X = eaves/gutters) X = Driveways X = X = Length of drive begins at the right of way I v = L1 UWA Parking Areas I n e _ X = Any paved, gravel or packed area per definition above table X = PatiosNValks X X = Any paved, gravel or packed area per definition above table X = Others X = X = 'if.the total_-imperyious:area of the proposed site X = = development is.grater tPtan_200D square feet a Small Parcel Stormvrater Srte.Plan is Required . Total'Impervious Surface Area(sum afall —areas) If the Total Impervious Surface Area is LESS 2000 Square F eL please read,acknowledge and sign below. Based upon the information you have provided a Sto an IS NOT required for this development activity. Owner/Builder/Agent Acknowledges that submission of inaccurate information may resuh in a stop work order or permit revocation. Acknowledgement of such is by signature below.I declare that I am the owner,owner's legal representative,or the contractor.I further acknowledge that the information provided is accurate and employees of Mason County are granted access to the above- descnbed property for review d inspection as may be required. Owner/Agent/Contractor(circle one)Dare: 2— I - 2C 1 LL If t e Total Impervious Surface Area is GREATER THAN 2000 Square Feet, please read,acknowledge and sign the information provided on page 2 of 2. Page I of 2 Name Parcel 4 BLD# Mason County Department of Community Development Small Parcel Stormwater Management Application/Worksheet (page 2 of 2) Based Upon the information you have provided a Stormwater Site Plan IS Required for this development activity. Title 14, Chapter 14.48 of the Mason County Code(MCC)regulates compliance requirements for Stormwater Management in this jurisdiction.A complete copy of the ordinance can be found on the Mason County website: htti3//vr w.co.mason.wa—us/code/commissioners/index htm Please follow the Iinks to "Title 14,Chapter 14.48 Stormwater Management". Regulated activities shall be conducted only after Mason County Public Works approves a stormwater site plan (Mason County Code Title 14 Chapter 14.48.section 14.48.70).You will receive a copy of the Public Works document entitled "Managing Storm Drainage on Small Lots,The Small Parcel Stormwater Site Plan".This document will assist. you in preparing the necessary information and plans for Public Works to review and approve. Per Department of Public Works this document will constitute an approved plan if all of the relevant details* are to be installed in their entirety AND no part of the stormwater system adversely affects any septic system (see Environmental Health information below). If an alternative system is to be used a plan will need to be submitted to Public Works for approval. A design by a registered professional may be required for more complex sites. *These details are found in the document Managing Storm Drainage on Small Lots, The Small Parcel Stormwater Site Plan on the pages that begin with"Handout" PLEASE INITIAL BELOW TO INDICATE THE STORMWATER MANAGEMENT PLAN FOR THIS SITE A) The relevant details from Managing Storm Drainage on Small Lots, The Small Parcel Stormwater Site Plan will be installed in their entirety AND the system will be located as not to adversely affect any septic systems on this,or any other,parcel. B) An alternative plan and/or professional design will be submitted to the Department of Public Works for approval AND the system will be located as not to adversely affect any septic systems on this,or any other,parcel. If you have further questions pertaining to parcel drainage and stormwater management Mason County's Public Works Department can provide additional instructions,guidance and examples. (Section 14.48.130)contact Public works at: Phone: (;60)-427-9670 EXT.450 Mail:P 0 Box 1850, Shelton WA 98584 Physical:415 N 6th St, Shelton WA 98584 If this development has, or will have,a septic/drainfield system you may need to contact Mason County Division of Environmental Health to ensure that the stormwater system will not adversely affect the septic system of this,or any other,parcel. You may also wish to consult with the septic design professional involved with the project Mason County Division of Environmental Health can be reached at: Phone: (360)-427-9670 EXT.352 Mail:P 0 Box 1666, Shelton WA 98584 Physical:426 W Cedar St, Shelton WA 98584 A condition will be added to the building permit that states,in part,that all conditions the stormwater site plan will be met prior to a request for final inspection of the building permit Owner/Builder/Agent Acknowledges that submission of inaccurate information may result in a stop work order or permit revocation. Acknowledgement of such is by signature below.I declare that I am the owner,owner's legal representative, or the contractor.I further acknowledge that the information provided is accurate and employees of Mason County are granted access to the above- described property for review and inspection as may be required. X Owner/Agent/Contractor(circle one)Date: Page 2 of 2