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HomeMy WebLinkAboutGRD2021-00008 Cancelled - GRD Permit / Conditions - 11/18/2021 MASON COUNTY PERMIT NO. GCD2o —U'C18 DEPARTMENT OF COMMUNITY DEVELOPMENT BUILDING•PLANNING•FIRE MARSHAL _ WWW.CO.MASON.WA.US (360)427-9670 Shelton ext.352 Mason County Bldg.8, (360)275-4467 Belfair ext.352. 615 W.Alder Street,Shelton,WA 98584 (360)482-5269 Elma ext.352 LAND MODIFICATION PERMIT (Grading Permit) OWNER INFORMATION: CONTRACTORINFORMATION: NAME: �I M NAME: MAILING ADDRESS: 'V• 1D. 0* \ MAILING ADDRESS: CITY: STATE:Qt ZIP: � CITY: STAT ZIP: PHONE�bO- $O,coSCJCELL:3(:yp 652-S5S( PHONE: ELL: EMAIL: -76—kdAM c 4 -tM 1, EMAIL : L&I RFAi# EXP. PARCEL INFORMATION: PARCEL NUMBER(12 DIGIT NUMBER) FI STRI T LEGAL DESCRIPTION(ABBREVIATED): t� &1^ � - % 0 h SITE ADDRESS AP6V CAPP" t; CI DIRECTIONS TO SITE A DRESS'N o M- C 1 - w IS PROPERTY T 200 FT: SALTWATER X ❑ RIVER/CREEK❑ POND ❑ SE MALRUN'OFF ❑ STREAM ❑ DOES PROPERT HA SLOPES)WITHIN 300 FT OF PRO C G TER THAN 14% YES❑ NO❑ WILL TIlVIBE BE CUT AND SOLD IN PARCEL P P TI N . YES ❑ NO Dr BUILDING TYPE OF J B: EXCAVA N �—�G � GRADIN i CUTTING OTHER�+J A V TOTAL SIZE O PARCEL 3� S/SQ F SI OF A TO BE EFFECTE 6oOO CRES/SQ FT ESTIMATED OUNTY OF C IC Y ��G- S DOES THE SITE VE SLOPES 4%OR AT YES❑ N� DESCRIBE SCOP OF WORK WILL FILL BE BROUG ON SITE . S ITE ADDRESS:_ !U G1A LOW WILL EXCAVATED MAT OFF SITE?IF YES, SI DRES PO DOES FILL CONTAIN POTENTIAL HAZARDOUS MATERIALS? YES ❑ NO [it HAS A SOILS REPORT BEEN COMPLETED ON SITE?IF YES,INCL E A COPY. YES ❑ NO WILL PROPSAL RESULT IN REDIRECTION OF ANY SURFACE WWATER RUNOFF? YES ❑ NO WILL WORK ALTER WHERE STORMWATER OF GROUND WATER ENTERS OR EXISTS THE SITE? YES ❑ NO WILL QUALITY,QUANTITY OR VELOCITY OF STORM/GROUND WATER BE ALTERED? YES ❑ NO WILL THE RUNOFF BE COLLETED/CONTROLLED BY INTERCEPTORS,CURTAIN DRAINS OR OTHER DEVICES? YES ❑ NO WILL THE LAND BE REPLANTED UPON COMPLETION? YES g NO❑ WILL THE PROPOSAL RESULT IN SLOPES STEEPER THAN THOSE CURRENTLY ON SITE? YES ❑ NO IS THE SITE WITHIN 200 FT OF A DESIGNATED SHORELINE OR A WETLAND? YES ❑ NOW OWNER/BUILDER acknowledges 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,owners legal representative,or contractor. I further declare that I am entitled to receive this permit and to do the work as proposed. I have obtained permission from all the necessary parties, including any easement holder or parties of interest regarding this project.The owner or authorized agent represents that the information provided is accurate and grants employees of Mason County access to the above described property and structure(s) for review and inspection. This permit/ap 'cation becomes null&void if work or authorized construction is not commenced within 180 days or if constructi ork is sus ed for a period of 180 days. PROOF OF CONTIN ATION OF WORK IS BY MEANS OF INSPECTI T T PERMIT APPLICATION OF 180 DAYS WILL IN LI� E THE APPLICATION. i p lican Date f ice, OWNER/REPRESENTATIVE/CONTRACTOR Print a (CIRCLE TO INDICATE) I rtqeP �2ozl -oa)06 CTZOSS 5'oe- CTI0 ti RECEIVED JUL 2 2 2021 615 W. Alder Str( y, 10 ` 20 , 57o' 6U, rT MUST MEET ALL CURRENT WASHINGTON STATE CODES k�'` A.: COP .. r H T P\,t • 14.44.030 Chapter 14.44 14.44.030 Definitions. For the purposes of this chapter the definitions EXCAVATION AND GRADING* listed hereunder shall be construed as specified in this Sections: section. 14.44.010 Purpose. "Approval" means the proposed work or com- 14.44.020 Scope. pleted work conforms to this chapter in the opinion of 14.44.030 Definitions. the official. 14.44.040 Hazards to be eliminated. "As-graded" means the extent of surface condi- 14.44.050 Permits—Required when. tions on completion of grading. 14.44.060 Grading permit—Requirements generally. "Bedrock"means in-place solid rock. 14.44.070 Grading permit—Application and "Bench" means relatively level step excavated into review process, earth or rack material as part of the placement of 14.44.080 Grading designation. stable fill. 14.44.090 Engineered grading requirements. "Borrow"means earth material acquired from an- 14.44.100 Soils engineering report. other location for use in grading on a site. 14.44.110 Engineering geology report. "Civil engineer"means a professional engineer reg- 14.44.120 Regular grading requirements. istered in the State of Washington to practice in the 14.44.140 Permit issuance. field of civil engineering. 14.44.150 Grading permit fees. 14.44.160 Bonds. "Civil engineering"means the application of knowl- 14.44.170 Cuts. edge of the forces of nature, principles of mechanics 14.44.180 Fills. and the properties of materials to the evaluation, de- 14.44.190 Setbacks. sign and construction of civil works. 14.44.200 Drainage and terracing. "Compaction"means the densification of a fill by 14.44.210 Erosion control. mechanical means. 14.44.220 Grading inspection. "Critical areas" means areas where unstable soils, 14.44.230 Completion of work. steep slopes, streams,wetlands,ponds, freshwater and 14.44.240 Enforcement and penalties. saltwater shorelines,and floodplains are present. 14.44.010 Purpose. "Earth material"means any rock,natural soil or fill The purpose of this chapter is to safeguard life, or any combination thereof. limb, property and the public welfare by regulating "Engineering geologist"means a geologist experi- grading on private property within Mason County. enced in engineering geology in the State of Washing- (Ord.No.44-10,5-25-2010) ton. "Engineering geology" means the application of 14.44.020 Scope. geologic knowledge and principles in the investigation This code sets forth rules and regulations to con- and evaluation of naturally occurring rock and soil for trol excavation, grading and earthwork construction, use in the design of civil works. including fills and embankments;establishes the admin- "Erosion"means the wearing away of the ground istrative procedure for issuance of permits;provides for surface as a result of the movement of wind, water or approval of plans and inspection of grading construc- ice. tion; and provides coordination of the efforts of the "Excavation" means the mechanical removal of department of community development, building de- partment and department of public works in permit- earth material. ling development in the county. "Existing grade"means the grade prior to grading. (Ord.development No.44-10, in the county "Fill"means a deposit of earth material placed by artificial means. *Editor's note—Ord.No.44-10,adopted May 25,2010,amended "Finish grade" means the final grade of the site Chapter 14.44 in its entirety to read as herein set out.Former Chapter 14.44 pertained to the same subject matter and derived from Res Which conforms to the approved plan. 141-96,1996;and Ord.64-07,2007. "Geotechnical engineer." See"Soils engineer." 408.9 (Mason County Supp.No.22,8-10) 14.44.030 "Grade"means the vertical location of the ground receipt of notice in writing from the official,shall within surface. the period specified therein repair or eliminate such "Grading"means any excavating or filling or com- excavation or embankment so as to eliminate the haz- bination thereof and and be in conformance with the requirements of "Key"means a designed compacted fill placed in a this chapter. trench excavated in earth material beneath the toe of a (Ord.No.44-10,5-25-2010) proposed fill slope. "Official"means the director of the Mason County 14.44.050 Permits—Required when. department of community development or his quali- (a) Permits Required. Except as specified in sub- fied representative,or agent. section (b) of this section, no person shall do any "Professional inspection"means the inspection re- grading without first having obtained a grading permit quired by this code to be performed by the civil engi- from the official.A grading permit shall be required for neer, soils engineer or engineering geologist. Such in- a project involving excavation or fill that totals two spections include that performed by persons supervised hundred or more cubic yards of graded material and is by such engineers or geologists and shall be sufficient to not exempted below.Grading activities not requiring a form an opinion relating to the conduct of the work. grading permit shall comply with the standards listed "Rough grade"means the stage at which the grade in Sections 14.44.170 through 14.44.210. approximately conforms to the approved plan. (b) Exempted Work. A grading permit is not re- "Site"means any lot or parcel of land or contigu- quired for the following: ous combination thereof, under the same ownership, (1) When approved by the official,grading in an where grading is performed or permitted. isolated, self-contained area if there is no danger or "Slope"means an inclined ground surface, the in- hazard to adjacent private/public property or other clination of which is expressed as a ratio of horizontal improvements; distance to vertical distance. (2) An excavation below finished grade for base- "Soil"means naturally occurring superficial depos- ments and footings of a building, retaining wall or its overlying bedrock. other structure authorized by a valid building permit_ "Soils engineer (geotechnical engineer)" means a This shall not exempt any fill made with the material civil engineer experienced in the practice of soils engi- from such excavation or exempt any excavation having neering(geotechnical engineering)in the State of Wash- an unsupported height greater than five feet after the ington. completion of such structure; "Soils engineering (geotechnical engineering)" (3) An excavation which: (a)is less than two feet means the application of the principles of soils mechan- in depth,or(b)which does not create a cut slope greater ics in the investigation, evaluation and design of civil than five feet in height and steeper than one and one- works involving the use of earth materials and the half horizontal to one vertical; inspection or testing of the construction thereof. (4) A fill less than one foot in depth and placed on "Terrace"means a relatively level step constructed natural terrain with a slope flatter than five horizontal in the face of a graded slope surface for drainage and to one vertical, or less than three feet in depth, not maintenance purposes. intended to support structures,which does not exceed (Ord. No.44-10,5-25-2010) two hundred cubic yards on any one lot and does not 14.44.044 Hazards to be eliminated. obstruct a drainage course; Whenever the official determines that any existing (5) Cemetery graves; excavation or embankment or fill on private property (6) Refuse disposal sites controlled by other regu- has become a hazard to life and limb, or endangers lations; property,or adversely affects the safety,use or stability (7) Excavations for wells or tunnels or utilities; i of a public way or drainage channel, the owner of the (8) Mining, quarrying, excavating, processing, property upon which the excavation or fill is located,or stockpiling of rock, sand, gravel, aggregate or clay other person or agent in control of the property,upon where established and provided for by law, provided (Mason County Supp.No.22,8-10) 408.10 14.44.070 such operations do not affect the lateral support or 14.44.090, 14.44.100 and 14.44.110 or 14.44.120. If a increase the stresses in or pressure upon any adjacent or proposed site involves five thousand cubic yards or contiguous property; more of grading or is located in or adjacent to a land- (9) Exploratory excavations under the direction slide hazard critical area in Mason County, a grading of a soil engineer or engineering geologist; plan must be prepared and stamped by a civil engineer, (10) Grading on public rights-of-way done by or other geotechnical investigations, soil engineering re- under the supervision or construction control of a port or engineering geotechnical report, and erosion public agency that assumes full responsibility for the control plan may be required based upon the evalua- work; tion of the proposal by the official; (11) Grading necessary for agricultural opera- (3) Environmental checklist shall be submitted tions, unless it causes hazards to property or public when:(a)more than five hundred cubic yards of exca- road,or obstructs a watercourse or drainage; vation and/or fill is involved,or(b)there is a portion of (12) Maintenance of existing firebreaks and roads; shoreline or critical area on the property to be graded. (13) Performance of emergency work necessary (A) If an environmental checklist is not required, to protect life and property when urgent necessity arises. the official shall forward the application and materials The official shall be notified promptly and the person to public works who shall review the submitted appli- performing the work shall apply for a permit within ten cation and plans. calendar days. (B) If an environmental checklist is required,the (14) Grading associated with a logging operation applicant shall also submit this form to the official,and under a current forest practice permit. the department of community development shall com- Exemption from the permit requirements of this plete the State Environmental Policy Act (SEPA) re- chapter shall not be deemed to grant authorization for view,including referral to other agencies. any other work to be done in any manner in violation of (4) After the grading permit application review the provisions of this chapter or any other laws or and site inspection,the official will determine the per- ordinances of Mason County. mit conditions(including those from public works and (Ord.No.44-10, 5-25-2010) the amount of plan review and grading permit fees). The grading permit can then be issued. 14.44.060 Grading permit—Requirements (5) Other Permit Responsibilities of the Appli- generally. (a) Except as exempted in Section 14.44.050, no cant. person shall do any grading without first obtaining a (A) Permission of Other Agencies and Owners. grading permit from the official. A separate permit The applicant shall be responsible for written verifica- shall be obtained for each site, and may cover both tion of easement or grading authorization on property excavations and fills. not owned by permittee. (b) Application.The Mason County grading per- (R) Location of Property Lines. Applicant shall mit shall be used as part of the information submitted be responsible for having property lines located or re- on a proposed grading project and included on this solving disputes with property lines,easement or title, form shall be the estimated quantities of work involved (6) Permit Review and other required information. (A) A project involving excavation and fill must (Ord.No.44-10, 5-25-2010) comply with the locational and operational standards set forth in the Mason County Comprehensive Plan, 14.44.070 Grading permit—Application and Subdivision Ordinance, Shoreline Master Program,.: review process. Building Code, and other applicable Mason County The following forms must be submitted to the plans and ordinances in effect. official at the time of application: (B) When a proposal requires SEPA environmen- (1) Grading permit application completed and tat review or is part of a shoreline substantial develop- signed by the property owner or agent; ment permit,conditional permit or variance,no grad- (2) Grading plan,if applicable to the project,show- ing permit shall be issued until the review process and/or ing the required information as stated in Sections other permit approval has been completed. 408.11 (Mason County Supp.No.22,8-10) 4h 14.44.070 (C) The elements of the permit shall be limited to the proposed work together with a map showing the the work on an approved grading plan. drainage area and the estimated runoff of the area • (D) Cqgajg2&s ma e added to the permit which. served by any drains; are necessary for public safety and welfare,avoidance "" (5) Erosion control measures to adequately pre- of hazards and nuisances, and protection of critical • vent impacts to adjoining properties or bodies of water; areas.These conditions shall be within the scope of the (b) Location of any buildings or structures on the project proposed. . property where the work is to be performed and the (Ord.No. 44-10,5-25-2010) location of any buildings or structures on land of ad- jacent owners which are within fifteen feet of the prop- erty or which may be affected by the proposed grading Grading in excess of five thousand cubic yards operations; shall be performed in accordance with the approved (7) Construction time schedule; grading plan prepared by a civil engineer, and shall be designated as"engineered grading."Grading involving (g) Type of site vegetation; less than five thousand cubic yards shall be designated (9) Known/suspected soil or geologic hazards; "regular grading" unless the official requires the grad- (10) Cross-sections of existing and graded areas, ing to be performed as engineered grading. showing contour intervals at five-foot vertical eleva- (Ord.No.44-10, 5-25-2010) tions,especially at the maximum cut and fill. (Ord.No.44-10, 5-25-2010) 14.44.090 Engineered grading requirements. Application for a permit for engineered grading 14.44.100 Soils engineering report. shall be accompanied by four sets of plans and specifi- The soils engineering report required by Section cations,which contain information covering construe- 14.44.090 shall include data regarding the nature, dis- tion and material requirements and are prepared and tribution and strength of existing soils,conclusions and signed by a civil engineer when required by the official. recommendations for grading procedures and design Supporting data for the proposal, as required by the criteria for corrective measures,including buttress fills, official, may consist of a soils engineering report and when necessary, and opinions on adequacy for the engineering geology report. intended use of sites to be developed by the proposed Plans shall be drawn to scale upon substantial grading as affected by soils engineering factors,includ- paper or material and shall be of sufficient clarity to ing the stability of slopes.Recommendations included indicate nature and extent of the work proposed and in the report and approved by the oflicial shall be show in detail that they will conform to the provisions incorporated in the grading plans or specifications. of this code and all relevant laws,ordinances,rules and (Ord.No.44-10, 5-25-2010) regulations. The first sheet of each set of plans shall give location of the work,the names and address of the 14.44.110 Engineering geology report. owner and the person by whom they were prepared. The engineering geology report required by Sec- The plans shall include the following information: tion 14.44.090 shall include an adequate description of (1) General vicinity of the proposed site; the geology of the site,conclusions and recommenda- tions regarding the effect of geologic conditions and (2) Property limits and accurate contours of ex- hazards(such as, earthquake, subsidence, or liquefac- isting ground and details of terrain and area drainage; tion)on the proposed development,and opinion on the (3) Limiting dimensions,elevations or finish con- adequacy for the intended use of sites to be developed tours to be achieved by the grading, and proposed by the proposed grading, as affected by geologic fac- drainage channels and related construction; tors.Recommendations included in the report and ap- (4) Detailed plans of all surface and subsurface proved by the official shall be incorporated in the grad- drainage devices, walls,cribbing,dams and other pro- ing plans or specifications. tective devices to be constructed with, or as a part of, (Ord.No.44-10, 5-25-2010) (Mason County Supp.No.22,8-►0) 408.12 14.44.170 14,44.120 Regular grading requirements. violation is resolved by restoration or erosion control Each application for a permit for regular grading and/or payment of penalties imposed for the violation. shall be accompanied by a plan in sufficient clarity to (Ord.No.44-10, 5-25-2010) indicate the nature and extent of the work. The plans shall give location of the work, the name of the owner 14.44.150 Grading permit fees. and the name of the person who prepared the plan.The (a) General. Fees shall be assessed in accordance plan shall include the following information: with the provisions of this section or shall be as set (1) General vicinity of the proposed activity; forth in the fee schedule adopted by the Mason County (2) Limiting dimensions and depth of cut and fill, board of commissioners. "(3) Location of any buildings or structures on the (b) Plan Review Fees.When a plan or other data property where the work is to be performed and the are required to be submitted,a plan review fee shall be location of any buildings or structures of adjacent land paid at the time of submitting plans and specifications owners which are within fifteen feet of the property or for review. Said plan review fee shall be as set forth in which may be affected by the proposed grading opera- the adopted fee schedule.For excavation and fill on the tion; same site, the fee shall be based on the volume of (4) The amount of materials involved and the excavation and fill material combined as defined-as ned-as location of the borrow sites for fill and the stockpile grading by this chapter. sites for excavation; (c) Grading Permit Fees. A fee for each grading permit shall be paid to the official as set forth in the (5) Erosion control measures to adequately pre- adopted fee schedule. Separate permits and fees shall vent impacts to adjoining properties or bodies of water; apply to retaining walls or major drainage structures- (6) Critical areas present on the property and dis- There shall be no separate charge for standard terrace tances of these features from the grading activities. drains and similar facilities. Such activities in critical areas shall comply with the (Ord.No.44-10,5-25-2010) requirements established in the Mason County re- source ordinance; the proposal may require a geologic 14.44.160 Bonds. - assessment or geologic report. The official shall require bonds in such form and (Ord.No.44-10, 5-25-2010) amounts as may be deemed necessary to assure that the work, if not completed in accordance with the ap- 14.44.140 Permit issuance. proved plans and specifications, will be corrected to (a) The official may approve or approve with mod- eliminate hazardous conditions. ifications a grading permit application submitted un- In lieu of a surety bond, the applicant may file a der this chapter.A permit issued will include applicable cash bond or instrument of credit acceptable to the conditions established during the review of the permit official in an amount equal to that which would be application. required in the surety bond. (b) The official may require that grading opera- (Ord. No.44-10,5-25-2010) tions and project designs be modified if delays occur which incur weather-generated problems not consid- 14.44.170 Cuts. ered at the time the permit was issued. (a) General. Unless otherwise recommended in (c) Permit validity, expiration, suspension or re- the approved soils engineering or engineering geology vocation and time limitation of application shall be as report, cuts shall conform to the provisions of this established and adopted in the applicable sections of section.In the absence of an approved soils engineering the 2009 IRC/IBC,Part I Administration and Section report, these provisions may be waived for minor cuts 14.08.040 shall apply. not intended to support structures. (d) Following the adoption of this chapter, Ma- (b) Slope. The slope of cut surfaces shall be no son County departments shall not accept, process or steeper than is safe for the intended use and shall be no approve any application for subdivision or any other steeper than two horizontal to one vertical unless the development permit for property on which a docu- permittee furnishes a soils engineering or an engineer- mented violation of this chapter has occurred,until the ing geology report, or both, stating that the site has 408.12.1 (Mason County Supp.No.22,840) 14.44.170 been investigated and giving an opinion that a cut at a (d) Compaction. All fills shall be compacted to steeper slope will be stable and not create a hazard to minimum density as determined by�IBC and sub- public or private property ject to all requirements held in Chapters 17 and 18. (Ord.No.44-10,5-25-2010) (e) The slope of fill surfaces shall be no steeper than is safe for the intended use. Fill slopes shall be no t4.44.180 steeper than two horizontal to one vertical. (a) General. Unless otherwise recommended in (Ord.No.44-10,5-25-2010) the approved soils engineering report, fills shall con- form to the provisions of this section.In the absence of 14.44.190 Setbacks. an approved soils engineering report, these provisions (a Gener ut and fill slopes shall be set back may be waived for minor fills not intended to support fro e bo lanes in accordance with this section. structures. Set dimensions shall be horizontal distances mea- (b) Preparation of Ground. Fill slopes shall not s?W"p'erpendicular to the site boundary. Setback Ji- be constructed on natural slopes steeper than 2:1.The tensions shall be as shown in Figure No.J108.I of the ground surface shall be prepared to receive fill by re 9 International Building Code. moving vegetation,noncomplying fill,topsoil and other �J (b) Top of Cut Slope.The top of cut slopes shall unsuitable materials; by scarifying to provide a bond not be made nearer to a site boundary line than one- with the new fill;and,where slopes are steeper than 5:1 fifth of the vertical height of cut with a minimum of and the height is greater than five feet,by benching into two feet and a maximum of ten feet.The setback may sound bedrock or other competent material as deter- need to be increased for any required interceptor drains. The top mined by the soils engineer.The bench under the toe o e P� of the cut slope shall be finished as a rounded a filler a slope steeper than 5:1 shall be at least ten feet or bald head slope. wide.The area beyond the toe of fill shall be sloped fd (c) Toe of Fill Slope.The toe of fill slope shall be shee#0vmflow or provided with a sub-drain. When f$ ade not nearer tU a site boundary line than one-half is to be placed over a cut,the bench under the toe of fill the height of the 67Fe—with a minimum of two feet and shall be at least ten feet wide,but the cut shall be made 11"i maximum of twenty feet. Where a fill slope is to be located near the site boundary and the adjacent off-site before placing the fill and accepted by the soils engineer or engineering geologist,or both,as a suitable founda- property is developed, special precautions shall be in- corporated in the work as the official deems necessary, tion for fill. to protect the adjoining property from damage as (e) Fill Material. Organic material shall not be result of such grading.These precautions may include, permitted in fills.Except as permitted by the official,no but a not limited to: rock or similar irreducible material with a maximum dimension greater than twelve inches shall be buried or ) Additional setbacks; ) Provision for retaining or slough walls; placed in fills. Exception:The official may permit placement of larger ) Mechanical or chemical treatment of the fill rock when the soils engineer properly devises a method slop surface to minimize erosion; of placement and approves the fill stability.The follow- ) Provisions for the control of surface waters. ing conditions shall also apply: d) Modification of Slope Location. The official (1) Prior to issuance of the grading permit,poten- may approve alternate setbacks. The official may re- tial rock disposal areas shall be delineated on the grad- quire an investigation and recommendation by a qual- ing plan. ified engineer or engineering geologist to demonstrate that the intent of this section has been satisfied. (2) Rock sizes greater than twelve inches in max- (Ord. No.44-10,5-25-2010) imum dimension shall be ten feet or more below grade, measured vertically. 14.44.200 Draumpe and terracing. (3) Rocks shall be placed so as to assure filling of (a) General. Unless otherwise indicated on the all voids with well-graded soil. approved grading plan, drainage facilities and terrac- (Mason County Supp.No.A 8-10) 408 12 2 . a 14.44.220 ing shall conform to the provisions of this section for (2) No proposed finish cut or fill slope faces have cut or fill slopes steeper than three horizontal to one a vertical height in excess of ten feet. vertical. (3) No existing slope faces, which have a slope (b) Terrace.Terraces at least six feet in width shall face steeper than ten horizontal to one vertical,have a be established at not more than thirty-foot vertical vertical height in excess of ten feet. intervals on all cut or fill slopes to control surface (e) Interceptor Drains. Interceptor drains with drainage and debris; except when only one terrace is grass or rock riprap may be installed along the top of required, it shall be at midheight.For cut or fill slopes all cut slopes where the tributary drainage area above greater than sixty feet and up to one hundred twenty slopes toward the cut and has a drainage path greater feet in vertical height, one terrace at approximately than forty feet measured horizontally.They shall have a midheight shall be twelve feet in width.Terrace widths minimum depth of twelve inches and a minimum width and spacing for cut and fill slopes greater than one of thirty inches measured horizontally across the drain. hundred twenty feet in height shall be designed by the The design of the drain shall be approved by the offi- civil engineer and approved by the official. Suitable cial. access shall be provided to permit proper cleaning and (Ord.No.44-10,5-25-2010) maintenance. Swales or ditches on terraces shall have a(mini- 14.44.210 Erosion control. mum)gradient of five percent and must be paved with v*-S1g9 The faces of cut an pes shall be reinforced concrete not less than three inches in thick- prepared and maintained to control against erosion. ness or with an approved equal surface material.They This control may consist of effective planting. The shall have a minimum depth at the deepest point of one protection for the slopes shall be installed as soon as foot and a minimum surface width of five feet. practicable and prior to calling for final approval.Where A single run of swale or ditch shall not collect cut slopes are not subject to erosion due to the erosion runoff from a tributary area exceeding thirteen thou- resistant character of the materials, such protection sand five hundred square feet(projected)without dis- may be omitted. charging into a down drain.An analysis by a licensed (b) Other Devices.Where necessary,check dams, engineer may be required to determine pipe or swale cribbing, riprap or other devices or methods shall be size,as determined by the official. employed to control erosion and provide safety. - Subsurface Drainage.Cut and fill slopes shall, (Ord.No.44-10,5-25-2010) he prRided with subsurface drainage as necessary for 14.44.220 Grading inspection. stability. (a) General.Grading operations for which a per- (d) Disposal. In compliance with the Mason mit is required shall be subject to inspection by the County practices regarding stormwater management, official. Professional inspection of grading operations all drainage facilities shall be designed to carry waters shall be provided by the civil engineer, soils engineer, to the nearest practicable drainageway approved by the engineering geologist or testing laboratory retained to official or other appropriate jurisdiction as a safe place provide such services in accordance with subsection(e) to drposit such waters.Erosion of ground in the af&of of this section for engineered grading and as required discharge shall be prevented by installation of nonerWve by the official for regular grading. downdrains or other devices. (b) Civil Engineer. The civil engineer shall pro- Building pads shall have a drainage gradient of two vide professional inspection within such engineer's area percent toward approved drainage facilities, unless of technical specialty, which shall consist of observa- waived by the official. tion and review as to the establishment of line, grade Exception: The gradient from the building pad and surface drainage of the development area. If re- may be one percent if all of the following conditions vised plans are required during the course of the work exist throughout the permit area: they shall be prepared by the civil engineer. (1) No proposed fills are greater than ten feet in (c) Soils Engineer. The soils engineer shall pro- maximum depth. vide professional inspection within such engineer's area 408.12.3 (Mason County Supp.No.22,8-t0) 14.44.220 of technical specialty, which shall include observation accept their responsibility within the area of technical during grading and testing for required compaction. competence for approval upon completion of the work. The soils engineer shall provide sufficient observation It shall be the duty of the permittee to notify the official during the preparation of the natural ground and pro- in writing of such change prior to the recommencement vide sufficient observation during the preparation of of such grading. the natural ground and placement and compaction of (Ord.No.44-10,5-25-2010) the fill to verify that such work is being performed in accordance with the conditions of the approved plan 14.44.230 Completion of work. and the appropriate requirements of this chapter. Re- (a) Final Reports.Upon completion of the rough Wised recommendations relating to conditions differing grading work and at the final completion of the work, from the approved soils engineering and engineering the following reports and drawings and supplements geology reports shall be submitted to the permittee,the thereto are required for engineered grading or when official and the civil engineer. professional inspection is performed for regular grad- (d) Engineering Geologist.The engineering geol- ing,as applicable: ogist shall provide professional inspection within such (1) An as-built grading plan prepared by the civil engineering geologist's area of technical specialty,which engineer retained to provide such services in accor- shall include professional inspection of the bedrock excavation to determine if conditions encountered are dance with Section 14.44.220(b)showing original ground in conformance with the approved report.Revised rec- surface elevations, as-graded ground surface eleva- tions,lot drainage patterns, and the locations and ele- approved engineering geology report shall be submit- vations of surface drainage facilities and of the outlets oils engineer. of subsurface drains. As-constructed locations, eleva- ted to the s tions and details of subsurface drains shall be shown as (e) Peons en en e. The permittee shall be responsible for the work to be performed in accordance with the reported by the soils engineer.The civil engineer shall approved plans and specifications and in conformance state that to the best of their knowledge the work with the provisions of this code. The permittee shall within their area of responsibility was done in ac�or- engage consultants,if required,to provide professional dance with the fmal approved grading plan and their inspections on a timely basis and shall act as a coordi- nator between the consultants, the contractor and the (2) A report prepared by the soils engineer re- official.In the event of changed conditions,the permit- tained to provide such services in accordance with Sec- tee shall be responsible for informing the official of tion 14.44.220(c),including locations and elevations of such change and shall provide revised plans for ap- Geld density tests, summaries of meld and laboratory proval. tests,other substantiating data, and comments on any (f) Official.The official shall inspect the project at changes made during grading and their effect on the the various stages of work requiring approval to deter- recommendations made in the approved soils engineer- mine that adequate control is being exercised by the ing investigation report. Soils engineers shall submit a professional consultants. statement that,to the best of their knowledge,the work (g) Notification of Noncompliance. If, in the within their area of responsibilities is in accordance course of fulfilling their respective duties under this with the approved soils engineering report and applica- chapter, the civil engineer, the soils engineer, or the ble provisions of this chapter, engineering geologist finds that the work is not being (3) A report prepared by the engineering geolo- done in conformance with this chapter or the approved gist retained to provide such services in accordance grading plans, the discrepancies shall be reported im- with Section 14.44.220(d),including a final description mediately in writing to the permittee and to the official. of the geology of the site and any new information (i) Transfer of Responsibility If the civil engineer, disclosed during the grading and the effect of same on the soils engineer, or the engineering geologist of re- recommendations incorporated in the approved grad- cord is changed during grading, the work shall be ing plan. Engineering geologists shall submit a state- stopped until the replacement has agreed in writing to ment that, to the best of their knowledge, the work (Mason County SupR No.22,840) 408.12.4 14.44.240 within their area of responsibility is in accordance with the approved engineering geologist report and applica- ble provisions of this chapter. (b) Notification of Completion. The permittee shall notify the official when the grading operation is ready for final inspection. Final approval shall not be given until all work,including installation of all drain- age facilities and their protective devices,and all erosion- control measures have been completed in accordance with the final approved grading plan,and the required reports have been submitted. (Ord.No.44-10, 5-25-2010) 14.44.240 Enforcement and penalties. (a) Enforcement. The official is charged with en- forcement of the provisions of this chapter.It is unlaw- ful for any person to grade, fill, excavate or cause the same to be done in violation of any of the provisions of this chapter. (b) General Penalties.Any violation of this chap- ter shall be subject to Chapter 14.12 of the Mason County Code, Violation and Penalties, and Chapter 15.13 of the Mason County Code,Enforcement. (Ord.No.44-10, 5-25-2010) 408.12.5 (Mason County Supp.No.22,8-10) Mason County `rNA GIS Web Map c GRAPEI`IE':v L_:,:,F FT fi f s I t f 12108 OGtt / / s EOM, L _ 121089 99 _ :nnG✓�: ec�r.p — -- < t r 121082200 0 1` Af- a {M 4 r�fl E K NEK•RC ax ' r. � Alm , .. \ Y a - 1\y l F�:F E 'I . 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