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Storm Water 1-5 BLD-2018-0128 4402 E Avenue
'LANNING, COMMUNITY, &ECONOMIC DEVELOPMENT DEPARTMENT JAAIE18 Mailing Address: PO Box 547,Anacortes,WA 98221 I .w. Phone: 360.299.1984,Fax: 360.293.1938 CITYMrRTES Complete Residential Stormwater Plan Checklist 1cov. Minimum Requirements 1-5 Stormwater requirements are based on the 2012 Stormwater Management Manual for Western Washington (SWMMWW).A link is provided on the City of Anacortes website, under Planning Department,Stormwater Regulations, as well as under the Engineering Division of Public Works. Residential construction is exempt from additional stormwater provisions if it involves no expansion of hard surfaces, no use beyond that previously existing,and results in no significant adverse hydrological impact. Building permit applications for lots that are part of a subdivision that was recorded no more than 10 years prior to the date of the complete building permit application may continue to use the stormwater codes in effect at the time the subdivision application was submitted, if stormwater was addressed at the subdivision/plat level. If construction has not started as of January 1, 2022,the site will be subject to the 2012/2014 manual. If your project adds less than 2,000 sq.ft. of new plus replaced hard surface area,AND which disturbs less than 7,000 square feet of land,you must consider all 13 Elements of the Construction Stormwater Pollution Plan (SWPPP). Fill out the SWPPP Checklist and explain how the elements are considered,or describe how site conditions render the element unnecessary and the exemption from that element is clearly justified.You will not need to continue with this document. If your project adds 2,000 sq.ft.or more of new plus replaced hard surface area, OR which disturbs 7,000 sq.ft.or more of land-Minimum Requirements 1-5 of the SWMMWW apply, and you can continue with this document. If adding 5,000 sq.ft. or more of new hard surfaces/OR converting 32,670 sq.ft. or more of vegetation to lawn or landscaped area/OR converting 108,900 sq.ft. or more of native vegetation to pasture—Minimum Requirements 1-9 of the SWMMWW apply. If Minimum requirements 1-9 apply, please see the Large Scale Stormwater Plan Checklist for additional submittal requirements. 146(2- Owner Name:i /tj 11/09(216E ' ' Site Address: 4�e12 E' l Brief Description of the Project: /�t t* tiwo Pre Developed Conditions& Runoff of the Site: Page 1 of 4 March 22, 2017 1 Developed Conditions&Runoff of th Site: MWX- 71imN %/, k ANfiP 1 'u er-- to NIA Summarize difficult site parameters,the natural drainage system,and drainage to and from adjacent properties,including bypass flows: Na a aiM6 L/ Hydrological Site Plan: Collect and analyze information on existing conditions to aid in determining low impact development feasibility—which locations are most appropriate to evaporate,transpire,and infiltrate,with the following information: o Survey by Land Surveyor, Engineer,or other qualified professional:Show existing public and private development,utility infrastructure, hydrological features(seeps, springs, closed depression areas, drainage swales, streams,wetlands, and water body survey and classification report showing wetland and buffer boundaries),flood hazard areas,geological hazards, buffers, aquifer and wellhead protection areas,topographic features that may act as natural stormwater storage, infiltration,or conveyance. Include the natural receiving waters that stormwater runoff will either directly or eventually discharge.Show topography, display acreage and outlines of all drainage basins; existing stormwater drainage to and from the site; routes to existing,construction, and future flows at all discharge points;and the length of travel from the farthest upstream end of a proposed storm drainage system to any proposed flow control and treatment facility. Identify areas of potential erosion problems Show contours as follows: • Up to 10%slopes=2 ft.contours • Over 10%to less than 20%slopes=5 ft. contours • 20%or greater slopes= 10 ft.contours • Elevations at 25 ft. intervals o Soils Report:Done by a soil scientist certified by Soil Science Society of America, licensed sewage designer, or other suitably trained persons working under the supervision of a professional engineer,geologist, hydrologist,or any other professional supervised by an engineering geologist registered in Washington State. (Soils Report Page 2 of 4 March 22, 2017 must include details as listed on Pg.79). In addition,describe soils by name, erodibility, settleability, permeability, depth,texture, and soil structure. Testing should occur between December 1 and April 1. o Soils Map: Based on the report. o Preliminary Development Site Plan Layout: Locate proposed buildings, roads, parking lots, landscaping features, on-site stormwater management BMPS(Determine BMPs starting on Pg. 95. Suggested BMPs correlate with responses to the 13 elements of the SWPPP, Pg. 237,and preliminary location of stormwater treatment and retention/detention facilities.Considerations are on Pg. 33.These methods could reduce required facility sizes, but are not required for approval. Show existing and proposed contours,show all cut and fill slopes indicating top and bottom of slope catch lines, and identify developed condition drainage basins. o Survey of existing native vegetation cover:This is only required if there are native soil and vegetation protection areas proposed for the site. Survey shall be done by a licensed architect, arborist,qualified biologist or project proponent identifying any forest areas on the site and a plan to protect those areas.The preserved area should be placed in a separate tract or protected through recorded easements for individual lots. o Vicinity Map: Clearly locate the property, identify all roads bordering the site,show the route of stormwater off-site to the local natural receiving water, and show significant geographic features and sensitive/critical areas(streams,wetlands, lakes,steep slopes, etc). • Construction Stormwater Pollution Prevention Plan(SWPPP)—The SWPPP shall be implemented beginning with initial land disturbance and until final stabilization. From October 1 through April 30, clearing,grading, and other soil disturbing activities shall only be permitted if shown that silt-laden runoff will be prevented from leaving the site through methods listed on pg. 444.. Best Management Practices(BMPs)Standards and Specifications are listed on pg. 261. Please see pg. 230 for details on using the Site Analysis to produce the following materials: o Narrative: Explain and justify the pollution prevention decisions made.This will contain concise information concerning existing site conditions,construction schedules,wet season construction activity, constraints, and other pertinent items that are not contained on the drawings.This is based on the 13 Construction Elements,which must be considered unless site conditions render the element unnecessary and the exemption is clearly justified. Elements listed on pg.44&described in detail starting on pg. 236. o Drawings&Notes:Where and when the BMPs should be installed,the performance the BMPs are expected to achieve,and actions that will be taken if the performance goals are not achieved. Show water quality monitoring locations. o Special Reports&Studies: Include any studies (i.e.wetlands delineation). If a facility is required and feasible for Minimum Requirement 5,a PIT Test must be done in the location that the facility location is proposed based on the preliminary development site plan layout. ❑ Other permits:Any other necessary permits as required by other regulatory agencies. Identify if those permits include conditions that affect the drainage plan, or contain more restrictive drainage-related requirements. Prior to Final Stormwater Inspection • Permanent Stormwater Control Plan Drawing:Select BMPs based on the Preliminary Development Site Plan Layout from the Site Analysis Summary. Provide a scale drawing of the Page 3 of 4 March 22, 2017 lot(s)and any public ROW that displays the location of On-Site BMPs and the areas served by them.These documents will be recorded and attached to a declaration of covenant and grant of easement associated with each lot that includes On-site BMPs. Provide design details,figures, and maintenance instructions for each BMP. Provide a written summary of how it complies with the applicable requirements. Prior to Final Occupancy ❑ Operation&Maintenance Manual: Include a manual for each flow control and treatment facility, including any distributed bioretention facilities that are used to help meet flow control and/or treatment requirements.The manual shall include a description of the facility,what it does,and how it works. It must also identify and describe the maintenance tasks, and the frequency of each task.The tasks and frequencies must meet the standards of the SWMMWW. Include a maintenance activity log that will indicate what actions will have been taken and where it should be kept and made available for inspection by the City. ❑ Declaration of Covenant for Privately Maintained Flow Control&Treatment Facilities and On- Site Stormwater Management BMPs:Any flow control &treatment facilities and On-Site Stormwater management BMPs for which the applicant identifies operation &maintenance to be the responsibility of a private party must have a declaration of covenant and grant of easement. After City approval,the declaration of covenant and grant of easement must be signed and recorded. Design details,figures, and maintenance instructions for any BMP shall be attached. A map showing the location of newly planted and retained trees claimed as flow reduction credits shall also be attached. L Record Documents: Record total impervious surface area of the site and their locations with the county auditor. By signing below,you are certifying that you have read and understand the stormwater requirements. Be sure that you have checked off all applicable boxes. Applicant Signature Date Page 4 of 4 March 22, 2017 Nelson, Kait From: Nelson, Kait Sent: Thursday, March 8, 2018 1:36 PM To: 'Michael Trafton' Subject: 4402 E Ave Stormwater Review Hi Mike, I have several comments that need to be addressed to continue reviewing this building permit. I was not provided information regarding how this site is meeting the requirements for full dispersion.The design details can be found, here. Comments below are some examples of the requirements. 1. The vegetated area to be preserved for full dispersion needs to be an a recorded easement prior to building permit issuance—if it is determined to work for this property. 2. The vegetated area to be preserved must be at least 65%of the lot. Please show the square footage of the area being preserved as 65%of the lot.The preserved area must be located outside of the construction activity area. 3. Developments that preserve 65%of a site (or a threshold discharge area of a site) in a forested or native condition, can disperse runoff from the developed portion of the site into the native vegetation area as long as the developed areas draining to the native vegetation do not have impervious areas that exceed 10%of the entire site. Additional impervious areas above the 10%are allowed, but should not drain to the native vegetation area, and are subject to the thresholds,treatment and flow control requirements of the stormwater manual. 4. All tress within the preserved area must be preserved unless dangerous or diseased. Also 5. Contour lines need to be surveyed and shown on the site plan. 6. For other minimum requirements,view Minimum Requirements#5, here.You will need to address "other hard surfaces" in addition to roof runoff. 7. Provide a narrative describing the methods used for Minimum Requirement#5 with the resubmittal. Let me know what questions you may have. Best regards, Kait Nelson Associate Planner City of Anacortes 1 GlT Y...0�,. L.OR'S' DEPARTMENT RTMi ENT OF PLANNING, COMMUNITY & ECONOMIC DEVELOPMENT DATE: February 6, 2018 TO: Mike Trafton FROM: Kait Nelson Associate Planner PCED SUBJECT: 4402 E Ave, BLD-2018-0019; Stormwater Plan Review Several revisions are necessary to complete the stormwater review: • The Septic System and drain field must be shown on the site plan. • No drainage narrative was provided to indicate what is being done with Stormwater and how it meets minimum requirements 1-5 of the Department of Ecology's Stormwater Manual. It appears that Full Dispersion(BMP T5.30)may be possible. With Full Dispersion, 65% of the lot must be preserved Native Vegetation, and the area dedicated to that with the square footage must be shown on the site plan and dedicated with an easement. • BMPs are not shown accurately on the erosion control plan.Please provide name and number of each BMP used, ex: Silt Fence,BMP C233. Please show this for all BMPs,including construction entrance, Dispersion Trench,Perforated Stub Out,Post Construction Soil Quality&Depth, Inlet Protection, Sheet Flow Dispersion, etc. These BMP numbers should be labeled in the SWPPP as well.The vegetated area designated for sheet flow dispersion needs to be shown specifically on the erosion control plan as well, with the total area reserved with dimensions. • Please show the slope percentage and direction on the erosion control plan. • Hard surface area should be provided with a breakdown. How much hard surface is roof area? How much is driveway?Porches or patios that are uncovered by roof?Etc. Please note that the Stormwater Review is independent from the Building Department, Public Works Department, and the Planning Department. If you have any questions, feel free to call me at 360.299.1969, and we can discuss this portion of the review process. Kait Nelson Associate Planner 1T y p Planning, Community, & Economic Development Department u L I L tP0 Box 547, Anacortes, WA 98221 PH: 360.299.1984 6 201� l � ' JAN 1 Elements of SWPPP U� (ConstrLietfon Stormwater Pollution Prevention Plan) CITY OF ANACORTES Please check off boxes to show that each element has been read and understood. Provide details where applicable and if certain aspects are unnecessary or exempt, clearly justify. Details of the 13 Elements and the correlating BMPs are listed on Pg. 23G of the 2014 Stormwater Management Manual for Western Washington(SWMMWW).A link is provided on the City of Anacortes website, under Planning, Community,& Economic Development Department, as well as under Stormwater on the Engineering Division of Public Work's page. / Owner Name: fr�/6 * 1 /7/ Site Address: IfOZ. Er 4"))/Ci Prepared By: /"// M ' d The Stormwater checklist or building permit determined that: El The 13 elements must be addressed for These elements must be addressed for construction activity adding under 2,000 / construction activity adding 2,000 sq.ft. sq.ft. of hard surface area. or more of hard surface area. This means that an attached narrative and site plan are required with this document. Under each element, explain the best management practices(BMPs) used or justify reasoning for those that will not be used. If needed, please attach a narrative to further explain plans or justification. ELEMENT 1: Preserve Vegetation/Mark Clearing Limits Before beginning land disturbing activities, including clearing and grading,clearly mark all clearing limits,sensitive areas and their buffers, and trees that are to be preserved within the construction area. Retain the duff layer, native top soil,and natural vegetation in an undisturbed state to the maximum degree practical. tl7'0r" Ut41,4" i0Oz- r�rr zO l r 7 7 ram► IM Page 1 of 8 March, 2017 ELEMENT 2: Establish Construction Access Limit construction vehicle access and exit to one route, if possible. 2' Stabilize access points with a pad of quarry spalls,crushed rock,or other equivalent BMPs,to minimize tracking onto roads. .d' Locate wheel wash or tire baths on site, if the stabilized construction entrance is not effective in preventing tracking sediment onto roads. If sediment is tracked off site,clean the affected roadway thoroughly at the end of each day,or more frequently as necessary(ex:wet weather). Remove sediment from roads by shoveling, sweeping, or pick up and transport the sediment to a controlled sediment disposal area. ee Conduct street washing only after sediment is removed in accordance with the above bullet. 2 Control street wash wastewater by pumping back on site or otherwise preventing it from discharging into systems tributary to waters of the State. VPPhvi50 IV aft Mu? Alitmithu50 ELEMENT 3: Control Flow Rates Protect properties and waterways downstream of development sites from erosion and the associated discharge of turbid waters due to increases in the velocity and peak volumetric flow rate of stormwater runoff from the project site. g" Where necessary to comply with the bullet above, construct stormwater retention or detention facilities as one of the first steps in grading.Assure that detention facilities function properly before constructing site improvement(e.g. impervious surfaces). If permanent infiltration ponds are used for flow control during construction, protect these facilities from siltation during the construction phase. fe-/NG �. l il✓) F Lifl( •j (0Aft74v tE- qt M)A-rtgke FIOL,v ELEMENT 4: Install Sediment Controls ,2' Design, install,and maintain effective erosion controls and sediment controls to minimize the discharge of pollutants. e- Construct sediment control BMPs(sediment ponds,traps,filters,etc.) as one of the first steps in grading.These BMPs shall be functional before other land disturbing activities take place. Z' Minimize sediment discharges from the site.The design, installation and maintenance of erosion and sediment controls must address factors such as the amount,frequency, intensity and duration of precipitation,the nature of resulting stormwater runoff, and soil characteristics, including the range of soil particle sizes expected to be present on the site. Direct stormwater runoff from disturbed areas through a sediment pond or other appropriate sediment removal BMP, before the runoff leaves a construction site or before discharge to an Page 2 of 8 March, 2017 infiltration facility. Runoff from fully stabilized areas may be discharged without a sediment removal BMP, but must meet the flow control performance standard in Element#3, bullet#1. Locate BMPs intended to trap sediment on-site in a manner to avoid interference with the movement of juvenile salmonids attempting to enter off-channel areas or drainages. Provide and maintain natural buffers around surface waters, direct stormwater to vegetated areas to increase sediment removal, and maximize stormwater infiltration. ,e Where feasible, design outlet structures that withdraw impounded stormwater from the surface to avoid discharging sediment that is still suspended lower in the water column. BOP P do1C -i l 1 7 0 rya ELEMENT 5: Stabilize Soils Stabilize exposed and unworked soils by application of effective BMPs that prevent erosion. Applicable BMPs include, but are not limited to:temporary and permanent seeding,sodding, mulching, plastic covering, erosion control fabrics and matting,soil application of polyacrylamide (PAM),the early application of gravel base early on areas to be paved,and dust control. Control stormwater volume and velocity within the site to minimize soil erosion. , '- Control stormwater discharges, including both peak flow rates and total stormwater volume,to minimize erosion at outlets and to minimize downstream channel and stream bank erosion. Soils must not remain exposed and unworked for more than the time periods set forth below to prevent erosion. o During the dry season (May 1—Sept 30): 7 days o During the wet season (Oct 1—Apr 30): 2 days Stabilize soils at the end of the shift before a holiday or weekend if needed based on the weather forecast. ;.Y Stabilize soil stockpiles from erosion, protect with sediment trapping measures,and where possible, be located away from storm drain inlets,waterways, and drainage channels. Ll' Minimize the amount of soil exposed during construction activity. V Minimize the disturbance of steep slopes. 2/ Minimize soil compaction and, unless infeasible, preserve topsoil. ELEMENT 6: Protect Slopes C/Design and construct cut-and-fill slopes in a manner to minimize erosion.Applicable practices include, but are not limited to, reducing continuous length of slope with terracing and diversions, reducing slope steepness, and roughening slope surfaces (Ex:track walking). Page 3 of 8 March, 2017 Divert off-site stormwater(run-on)or ground water away from slopes and disturbed areas with interceptor dikes, pipes,and/or swales. Off-site stormwater should be managed separately from stormwater generated on the site. E'-At the top of slopes, collect drainage in pipe slop drains or protected channels to prevent erosion. o *Temporary pipe slope drains must handle the peak volumetric flow rate calculated using a 10-minute time step from a Type 1A, 10-year,24-hour frequency storm for the developed condition. Alternatively,the 10-year, 1-hour flow rate predicted/indicated by an approved continuous runoff model, increased by a factor of 1.6, may be used.The hydrologic analysis must use the existing land cover condition for predicting flow rates from tributary areas outside the project limits. For tributary areas on the project site, the analysis must use the temporary or permanent project land cover condition, whichever will produce the highest flow rates. If using the Western Washington Hydrology Model (WWHM)to predict flows, bare soil areas should be modeled as "landscaped" area. o Where 15-minute time steps are available in an approved continuous runoff model,they may be used directly without a correction factor. Place excavated material on the uphill side of trenches,consistent with safety and space considerations. 4 Place check dams at regular intervals within constructed channels that are cut down a slope. Consider soil types and its potential for erosion. kK" Stabilize soils on slopes, as specified in Element 5. BMP combinations are the most effective method of protecting slopes with disturbed soils. Ex: Use both mulching and straw erosion control blankets. ELEMENT 7: Protect Drain Inlets ,,er Protect all storm drain inlets made operable during construction so that stormwater runoff does not enter the conveyance system without first being filtered or treated to remove sediment. -P" Clean or remove and replace inlet protection devices when sediment has filled one-third of the available storage(unless a different standard is specified by the product manufacturer). Where possible, protect all existing storm drain inlets so that stormwater runoff does not enter the conveyance system without first being filtered or treated to remove sediment. Keep all approach roads clean. Do not allow sediment and street wash water to enter storm drains without prior and adequate treatment unless treatment is provided before the storm drain discharges to waters of the State. El Inlets should be inspected weekly at a minimum and daily during storm events. M f 1OMJA I frA). i Yam" = 7 LAutJ ncix Page 4 of 8 March, 2017 ELEMENT 8:Stabilize Channels and Outlets V Design, construct, and stabilize all on-site conveyance channels to prevent erosion from the following expected peak flows: o *Channels must handle same peak volumetric flow rate as temporary pipe slope drains listed in Element 6, above. Provide stabilization, including armoring material,adequate to prevent erosion of outlets, adjacent streambanks,slopes, and downstream reaches at the outlets of all conveyance systems. The best method for stabilizing channels is to completely line the channel with a blanket product first,then add check dams as necessary to function as an anchor and to slow the flow of water. ELEMENT 9: Control Pollutants g Design, install, implement, and maintain effective pollution prevention measures to minimize the discharge of pollutants. V.Handle and dispose of all pollutants, including waste materials and demolition debris that occur on-site in a manner that does not cause contamination of stormwater. 2' Provide cover,containment, and protection from vandalism for all chemicals, liquid products, petroleum products,and other materials that have the potential to pose a threat to human health or the environment.On-site fueling tanks must include secondary containment. Secondary containment means placing tanks or containers within an impervious structure capable of containing 110%of the volume contained in the largest tank within the containment structure. Double-walled tanks do not require additional secondary containment. Conduct maintenance,fueling, and repair of heavy equipment and vehicles using spill prevention and control measures. Clean contaminated surfaces immediately following any spill incident. Discharge wheel wash or tire bath wastewater to a separate on-site treatment system that prevents discharge to surface water,such as closed-loop recirculation or upland land application,or to the sanitary sewer,with local sewer district approval. Wheel wash or tire bath wastewater should not include wastewater from concrete washout areas. Apply fertilizers and pesticides in a manner and at application rates that will not result in loss of chemical to stormwater runoff. Follow manufacturers' label requirements for application rates and procedures. rE Use BMPs to prevent contamination of stormwater runoff by pH-modifying sources.The sources for this contamination include, but are not limited to: bulk cement, cement kiln dust,fly ash, new concrete washing and curing waters,waste streams generated from concrete grinding and sawing, exposed aggregate processes,dewatering concrete vaults,concrete pumping, and mixer washout waters.Adjust the pH of stormwater if necessary to prevent violations of the water quality standards. Page 5 of 8 March, 2017 Assure that washout of concrete trucks is performed off-site or in designated concrete washout areas only. Do not wash out concrete trucks onto the ground, or into storm drains, open ditches, streets, or streams. Do not dump excess concrete on site, except in designated concrete washout areas.Concrete spillage or concrete discharge to surface waters of the State is prohibited. Do not use upland land applications for discharging wastewater from concrete washout areas. eKr Obtain written approval from Ecology and provide to the City before using chemical treatment other than CO2 or dry ice to adjust pH. Woody debris may be chopped and spread on site. p Conduct oil changes, hydraulic system drain down,solvent and de-greasing cleaning operations, fuel tank drain down and removal,and other activities which may result in discharge or spillage of pollutants to the ground or into stormwater runoff using spill prevention measures, such as drip pans. Clean contaminated surfaces immediately following any discharge or spill incident. Emergency repairs may be performed on-site using temporary plastic placed beneath and, if raining, over the vehicle. Mk' 14 Z ' C 2 • ? wj /] 1 ELEMENT 10: Control De-Watering Discharge foundation,vault, and trench dewatering water,which have characteristics similar to stormwater runoff at the site, into a controlled conveyance system before discharge to a sediment trap or sediment pond. Discharge clean, non-turbid de-watering water, such as well-point ground water,to systems tributary to,or directly into surface waters of the State, as specified in Element 8, provided the de-watering flow does not cause erosion or flooding of receiving waters or interfere with the operation of the system. Do not route clean dewatering water through stormwater sediment ponds. Note that"surface waters of the State" may exist on a construction site as well as off site;for example,a creek running through a site. l- Handle highly turbid or contaminated dewatering water separately from stormwater. C- Other treatment or disposal options may include: 1. Infiltration 2. Transport off-site in a vehicle,such as a vacuum flush truck,for legal disposal in a manner that does not pollute state waters. 3. Ecology-approved on-site chemical treatment or other suitable treatment technologies. 4. Sanitary or combined sewer discharge with local sewer district approval, if there is no other option. 5. Use of a sedimentation bag with outfall to a ditch or swale for small volumes of localized dewatering. <.B' Construction equipment operation,clamshell digging,concrete tremie pour,or work inside a cofferdam can create highly turbid or contaminated dewatering water. Discharging sediment-laden (muddy)water into waters of the State likely constitutes a violation Page 6 of 8 March, 2017 of water quality standards for turbidity.The easiest way to avoid discharging muddy water is through infiltration and preserving vegetation. ELEMENT 11: Maintain BMPs Maintain and repair all temporary and permanent erosion and sediment control BMPs as needed to assure continued performance of their intended function in accordance with BMP specifications. 41 Remove all temporary erosion and sediment control BMPs within 30 days after achieving final site stabilization or after the temporary BMPs are no longer needed.Some temporary erosion and sediment control BMPs are bio-degradable and designed to remain in place following construction such as compost socks. '. Provide protection to all BMPs installed for the permanent control of stormwater from sediment and compaction. All BMPs that are to remain in place following completion of construction shall be examined and placed in full operating conditions. If sediment enters the BMPs during construction, it shall be removed and the facility shall be returned to the conditions specified in the construction documents. Remove or stabilize trapped sediment on site. Permanently stabilize disturbed soil resulting from removal of BMPs or vegetation. 64)P 1),rtifitind/ f3E i4121frige5n rtfe er. ELEMENT 12: Manage the Project—Projects subject to Minimum Requirements 1-9 must have a Certified Erosion and Sediment Control Lead (CESCL)for site inspections. Projects subject to Minimum Requirements 1-5 do not require the inspector to be certified. By the initiation of construction, the SWPPP must identify the CESCL or inspector, who shall be present on-site or on-call at all times. Management details starting on . ,! Phase development projects to the maximum degree practicable and take into account seasonal work limits to prevent soil erosion and prevent transporting sediment from the site during construction. J' Inspection and monitoring—Inspect, maintain, and repair all BMPs as needed to assure continued performance of their intended function. Maintain, update, and implement the SWPPP. ,e Clearing and grading activities for developments shall be permitted only if conducted using an approved site development plan (e.g.,subdivision approval). From Oct 1 through Apr 30, clearing,grading,and other soil disturbing activities is permitted only if shown that the site operator will prevent silt-laden runoff from leaving the site through a combination of the following: Page 7 of 8 March,2017 1. Site conditions including existing vegetative coverage,slope, soil type, and proximity to receiving waters. 2. Limit activities and the extent of disturbed areas. 3. Proposed erosion and sediment control measures. Weather conditions can influence the seasonal limitation on site disturbance.The City of Anacortes has the authority to take enforcement action per AMC 19.76 Stormwater. -'The following activities are exempt from the seasonal clearing and grading limitations: 1. Routine maintenance and necessary repair of erosion and sediment control BMPs; 2. Routine maintenance of public facilities or existing utility structures that do not expose the soil or result in the removal of the vegetative cover to soil 3. Activities where there is 100%infiltration of surface water runoff within the site in approved and installed erosion and sediment control facilities. 77 A57- C 17'' A!' f. ' MWidairWATNEMEN/Mik7111fifilifforliff A}moo_ 10:" r 4 i L/ .ire ./MATii 7 06rMlf ELEMENT 13: Protect Low Impact Development BMPS If implementing any bioretention facilities or rain gardens,see Pg. 25.E for requirements. i /elf nature Date Page 8 of 8 March, 2017 Mulch — C� 8" • Loose soil with visible dark organic matter [17. 4" Loose or fractured subsoil Reprinted from Guidelines and Resources For Implementing Soil Quality and Depth BMP T5.13 in WDOE Storm water Management Manual for Western Washington, 2010, Washington Organic Recycling Council NOT TO SCALE ftiMIE Figure V-5.3.3 Planting Bed Cross—Section DEPARTMENT OF Revised January 2016 ECOLOGYPlease see http.//www.ecy.wa.gov/copyright.html for copyright notice including permissions, State of Washington limitation of liability, and disclaimer. Y _y R SITE PLAN GENERAL NOTES / EXISTING GRADE WAS PREPARED PRIOR 1. THE CITY ENGINEERING DEPARTMENT MAY REQUIRE A MINIMUM / o <a--• PROPERTY LINE,N 89'09'17" E 131'tom 1' \� TO CONSTRUCTION,LEVELED AND 15"GMP AT DRIVEL AY. SEE ENCROACHMENT PERMIT FOR 1 o fl w \ _ ' WADER - ' PRELIMINARILY STAKED FOR LOCATION OF FURTHER INFORMATION REGARDING REQUIREMENTS. v �' .. ELECT. - FUTURE STRUCTURE T--� 1j--GA 7-'. - 2. A SOILS REPORT HAS SEEN PREPARED FOR THIS PROJECT. -a I / REFER TO THE REPORT FOR ALL SPECIFIC REQUIRMENTS WITH/1,111 I 7 "`,, E: REGARDS TO GRADING,EXCAVATION AND FILL. / ��� UTILITY TRENCH LOCATION-PROVIDE ='>_ PROTECTION FENCING ON ALL SIDES OF 3. ADDRESS SIGNS AND PORT-A-POTTI SHALL SE ON THE JOB SITE 4) -.SETBACK D_ & HEIGHT LIMITATIONS ^ w� �5��' 1 �/I TRENCH. ALL TRENCH FENCING SHALL BE f1 _L,A. �, AA 1,- AT THE TIME OF FIRST INSPECTION. MAXIMUM FRONT SETBACK - J ✓ 7 0,,,N\ ) REMOVED AFTER TRENCHES ARE BAGK- 20 r�ET.., i FILLED. CONSTRUCTION ZONE FENDING• �Cl'- 20'-D" 4. MIER SUPPLY PIPING SHALL BE PROTECTED FROM FREEZING AXIMUM 51D'c 5ET6ACK 5/15.FEET "�`F SHALL BE RESET TO FOLLOP^I THE DRIVEY'AY BY A MINIMUM OF 36"OF EARTH COVERING. WATER SUPPLY V REAR YARD �y-`IY „ lN l �M� IMUM REAR-SETBACK c �l�5ET6AGK 20 F�F f EDGE• PIPING SHALL BE PROVIDED WITH AN APPROVED BACKFLOW >�.i (((\i`h,'t-i.4.XI' M BUILDING HEIGHT 35 FEET �- . '� / F 5 NBY KD PREVENTION DEVICE AS PER SECTION 603,UPC. THE WATER " • 1' \ JOINT UTILITY TRENCH COM/WATERIELEC1GAS. SERVICE SHALL BE INSTALLED 24"BELOJN GRADE AT A LOCATION '`,❑ - _ PROVIDE REQUIRED CLEARANCES BETWEEN ALL INSIDE THE FOUNDATION PERIMETER,EQUIPPED WITH A"STOP �y\+��`� W_ /I UTILITIES A5 REQUIRED BY UTILITY COMPANIES. AND DRAIN"VALVE AND FITTED WITH A HANDLE THAT IS READILY �_Idi i \ COORDINATE ALL INSPECTIONS WITH INDIVIDUAL ACCESSIBLE. ALL WATER PIPING SHALL BE GRADED TO DRAIN. lill `� UTILITY COMPANIES AS REQUIRED ORDINANCE 99-02. WATERLINE TO BE INSPECTED BEFORE I �-,` LU I I I COVERING. PE PIPE 15 PROHIBITED IF MORE THAN 5'INSIDE THE 11/46 -��� . ill FOUNDATION. c0 /f ' '"s= 1 -...o O t ■ i 'a 1 5. A FULL ENCLOSURE ENGINEERED FOR THE PROPERTY 15 ; p I ~``_ =" I- RECOMMENDED AT NATURAL GAS METER. VERIFY ALL �, N :`I "u- x REQUIRED CLEARANCES AND LOCATION WITH UTILITY PROVIDER c�'` �1H, 1 N i ws co �� \ I PRIOR TO INSTALLATION, • ' CV" - ` \ �\ ' -- / 1 sue- 5 \ / X 6. CONTRACTORIOWNER TO PROVIDE ONSITE VEGETATION 1' \ I O •�- /I DEFENSIBLE SPACE FROM PROPOSED STRUCTURES IN ° L VE1- :'\ '�\ /; ;11 CONFORMANCE WITH ANAGORTES FIRE PROTECTION DISTRICTE, i gS Q 3 �°�:l `; \ v' Ir a STANDARDS. ik,=1 L ui �- \ • '\` '- i: • 1. CONTRACTOR 15 RESPONSIBLE FOR INSTALLATION AND cV�, .• \t\ i EXISTING AND ";. - vI �� \ 'I MANAGEMENT OF EROSION CONTROL MEASURES INCLUDING v N- . --I-dung, ' I' PROPOSEDFIBER ROLLS AND ANY OTHER MEASURES DEEMED NECESSARY t's! v -A ca N O ' • _ 1 d•n. aye: , ACCESS TO PREVENT SEDIMENT FROM LEAVING THE SITE. CONTRACTOR , . 1 �- c6 CO i i= :` DRIVEWAY,._ ` IS ADVISED TO REFERENCE STORMYYATER QUALITY HANDBOOKS - T `\ ` \ t\\ /\• 1` ' \\` i CONSTRUCTION SITE BEST MANAGEMENT PRACTICES(BMP'S) " _"Azar r '" \ 1'•, 71\ , •mot ,. I - MANUAL,STATE OF WASHINGTON. �. 1- ` �/ � WATER � - 41�.�° / '� _. \ Q •" f METER& E. CONTRACTOR TO MINIMIZE EXPO5URE TIME OF DISTURBED SOIL �. `{� \ i t - VALVE AREAS BY PHASED CONSTRUCTION ACTIVITIES AND STABILIZING • �' •�E - \� \ \ ` i 1�r \ jV 'f I a. THE 5011-5 PROMPTLY. F : •- L..- N�\,\ `` //. / y \ �`_, f ; 5C• 9. CONCRETE WASH OUT AREAS SHALL BE LOCATED ABOVE ,, - �� `\\�OA ` \ E [' PROPOSED BMP'SAND FIBER ROLLS, '/ _ \`• `' \ • 1~�c 10. CONTRACTOR TO DILIGENTLY MAINTAIN THE TEMPORARY .: rr �e \\^\�� �``. \ �i� \ i I r r CONSTRUCTION ACCESS TO PREVENT SOIL TRACKING ON Lf E D '\y `ti'i y �z. � ROADINAY. FUGITIVE DUST/SOIL IF TRACKED INTO ROADWAY , kSHOULD BE SWEPT AND REMOVED IMMEDIATELY. I 007PRINT i�. +f • 3 1 T P ' F `e- F e� , ' CO s . �l� r Y _ ��- _ 11. CONTRACTOR TO WINTERIZE SITE AND PROVIDE A5 MANY ' / o; �'.'_ - �i •• .! cis .' I [ -- 1 I PERMANENT BMP'S,LANDSCAPING ETC,AS POSSIBLE PRIOR TD ` - Q -.. - •r - _ e 1.t: OGTOBER 15TH. co s ,N , [ -R.3.x 4 Y; -1FI--A - • 1 a ' t 1 CNI I Z-, - --- /- \ _ % •. J �,,/ �` �1 =1 12.A MINIMUM OF 60%OF THE CONSTRUCTION WASTE GENERATED 41. � , 4�,'t AT THE 517E 15 DIVERTED TO RECYCLE OR SALVAGE. THIS 15 ` ` ~ / NEW l�ESID N . -i !. i JAN ' f �: ACHIEVED BY USING COUNTY PRE-CERTIFIED LAND FILLS OR o �`"��- �� • FURTJ�POTTI F IMPLEMENTATION OF A WASTE MANAGEMENT PLAN. WASTE Cr .'N W �f/ i ♦ - - 2,774 SF ,� L(1CApON .- MANAGEMENT PLAN SHALL BE PRE-APPROVED BY _ s =O t_ • 1- i ENVIRONMENTAL SERVICES DEPARTMENT. �IP321 • `i ` \ • I, }o e °11 ' 13,A ONE WAY GLEANOUT 15 REQUIRED WITHIN 5 FEET WHERE THE -_-_-_,_ _...,..0 ._ /i' - '.. SEWER LATERAL EXITS THE STRUCTURE FOUNDATION. :_� GLEANOUT BOXES SHALL BE SET TO GRADE WITH LIDS LABELED ____, . s., ,,,„ ;t_, OQ� \ ,, ��� ��i �/ A5"SEWER"_ GLEANOUT MUST REMAIN ACCESSIBLE AND MAY �j�' �� �'' - ""1-- -- NOT BE COVERED BY PERMANENT TILES,ROCK,ETC. a yr.__ O _ -- ,,_ - �.1 - '.r ,1 M om` ` _�----_-_ ' j� \13oryi e • ��ili }1v' _ r�� - 1 0' I '� �� ' - + QC 14.ALL SEWER FACILITIES SHALL MEET ANAGORTES SANITARYtn '♦ \ELEG 'IGAL \ V;'` d■4 DISTRICT CODE REQUIREMENTS. ' ` �ERYI - \ 15. ORANGE PLASTIC MESH FENCING 4'-0"TALL SHALL BE INSTALLED 1=.1+-ILIL \ \,W \� _E .1 / 1 5�`� crZ lC.. r/ " TO DEFINE THE CONSTRUCTION ACTIVITY ZONE. ALL '--- V 0 IN \ 0. �\ y \ 1 CONSTRUCTION ACTIVITIES SHALL BE CONFINED TO THIS AREA. T. .•v :m +1 C� \_ +� a_ LABELED'"SEWER" t \ v ' 1 ��� /� ,� iL..`� � REMOVEABLE ATDTHE DRIVEYtAYACCESS POINT ONLY. WITHIN 5'-0"OF _'~., t t-""``r.G• W , �,_ o FOUNDATION i _ - 16.ALL(E)TREES INSIDE THE CONTRUCTION ACCESS ZONE SHALL Lu 1• i \ V 1� BE PROTECTED WITH 2X6X8'WOOD STRAPPING AT THE TRUNK CI t V { � OF TREES LARGER THAN 10"IN DIAMETER. ALL TREES SHALL BE Z _ O _`` I, ',' \` ter ; • p- _ �gj2S PROTECTED WITH PLASTIC MESH FENCING 4'-0"TALL AT THEIR (� 1• DRIPLINES. TREES IN CLOSE PROXIMITY OF EACH OTHER MAY ` , to h • I -, , ¢°'. BE PROTECTED AS GROUPS. ALL EXCAVATION INSIDE THE W'� \ r- j`�..� DRIPLINE OF TREES SHALL BE DONE BY HAND WITH NO HEAVY / t --'Cr----___-_,- J \ ' \`.� t� ^:,, A. 00,.._ �1� ‘5 THIS t tS EQUIPMENT. z - _ '• I- 1 W �,. 11. STORM WATER DRAINAGE MANAGEMENT SHALL BE �• > = � /'{�'�C aI�-` IMPLEMENTED PRIOR,DURING AND AFTER THE START OF CAI �c. �--f`� CONSTRUCTION. l _ �ti t * _2 � - kk ti\ .ram \ 18. OUTDOOR FIREPITS SHALL ONLY BE PLUMBED FOR NATURAL / I t I 1 1 GAS AND A FIREPIT KIT WILL BE INSTALLED. C =` • 1 - -- . r \;. \ Document Date: 1 .. .'. :`•, t 19, ALL STANDALONE SPAS SHALL BE INSTALLED WITH AN ASTM i `�. ' �� ' LISTED LOCKING INSULATED SECURITY COVER. \ /0001i 20.ALL DISTURBED AREAS WILL BE REVEGETATED WITH APPROVED I ` n_ FOREST UNDERSTORY OR UPLAND MEADOW SEED MIXTURE, Document Phase: I _ \ `� \ ., \\ WHICHEVER 15 MORE APPROPRIATE AND ALL AREAS OF Construction Documents , t EXPOSED SOIL WILL BE STABILIZED WITH PINE STRAJ^I OR MULCH 1 • PRIOR TO SUBMITTING FOR FINAL RELEASE \ \\ \ I � 21.ANY BOULDERS NON-NATIVE TO THEIR LOCATION SHALL BE rev. date remark 1 i .. \, //^"; BURIED 1/3 DEEP 50 AS TO APPEAR NATIVE. • 22.BBQ HOOD SHALL BE PROVIDED WITH A COVER FOR FINAL 1 >I . I , RELEASE. 1 �N \ 23.ALL INFILTRATION BASINS SHALL BE REVIEWED WITH t �`! , -- L--il- ARCHITECTURE REVIEW AT THE PRE CONSTRUCTION MEETING - FOR EXACT PLACEMENT RELATIVE TO NATURAL VEGETATION. _ Existing Site 401, u,N y N 89b9'17 �1Z.84' ==,c=;' - t �. E� / Plan 1/ ,001.1.- t7,7s- / � , _ I f 1 / A A,:iAleAl/ In idarav°- ,/ /A, 04,0 1"-- - .I A . /._ .7..,,_,,440:0 _,__,, ,_,.._., , • AVP _ / //-' AP , \ / ) ---1 ',1 A / . 01, , . _ ,- - -- - � .�._' .��/�y�/��yyy /yi 1 //zy /_ _ f/ 'ice/ � /. ��/ , Existing Site Plan _ NORTH • 1116"=1'-0" TI Lae ii- �If->r-.. _C 55711c-_I_ _`I'.. rs r I Ire?1.'?,• _ 22v'. 48-VLF re VOGII ticr r. I 3 t .J ':✓rrr G•_,: Ill il.',Ivl�.: ,l •NI' .•!-.' vlwc �: ,r.,V, .11 -f., .Y r,. .. .'.l-.•, !> .A rr.Ihr .. .. l..fii•elin „ ..In it l,,' v nr vra .l _,!1 . _ _ v _- ,' , 1 SITE PLAN GENERAL NOTES \- • ! �' �• • M • • 111111 • • 1•11 111. • I • • ' EXISTING GRADE WAS PREPARED PRIOR 1. THE CITY ENGINEERING DEPARTMENT MAY REQUIRE A MINIMUM 1 Q a a PROPERTY LINE.,N 89'09'17" E 131.61' t0 CONSTRUCTION,LEVELED AND 15"GMP AT DRIVEWAY. SEE ENCROACHMENT PERMIT FOR i _ ow \_ WATER PRELIMINARILY STAKED FOR LOCATION OF FURTHER INFORMATION REGARDING REQUIREMENTS. -tn >-.� _ ELECT, FUTURE STRUCTURE A 1 7-10%2I '- 17 ,_ A 7- r 2. A SOILS REPORT HA5 BEEN PREPARED FOR THIS PROJECT. ---------____4_ I t REFER TO THE REPORT FOR ALL SPECIFIC REQUIRMENTS WITH1 c REGARDS TO GRADING,EXCAVATION AND FILL. -_ 1 UTILITY TRENCH LOCATION-PROVIDE i --SETBACK 8r HEIGHT LIMITATIONS PROTECTION FENCING ON ALL SIDES OF 3. ADDRESS SIGNS AND PORT-A-POTTI SHALL BE ON THE JOB SITE f15��" �1 1, TRENCH. ALL TRENCH FENCING SHALL BE AT THE TIME OF FIRST INSPECTION.41/41/ n -F" - ----_- , 1 I REMOVED AFTER TRENCHES ARE BACK- y, MAXIMUM FRONT SETBACK 2G FEET. t FILLED. CONSTRUCTION ZONE FENDING 4. WATER SUPPLY PIPING SHALL BE PROTECTED FROM FREEZING �� 20' MAXIMUM SIDE SETBACK 5/15 FEET 39.4, /1 SHALL BE RESET 70 FOLLOW THE DRIVEWAY BY A MINIMUM OF 36"OF EARTH COVERING. WATER SUPPLY , n ' ► REAR YARD MAXIMUM REAR SETBACK 20 FEET EDGE. PIPING SHALL BE PROVIDED WITH AN APPROVED BAGKFLOW V!1 SETBACK ON'YA MAXIMUM BUILDING HEIGHT 35 FEET - - 5 e K. I PREVENTION DEVICE A5 PER SECTION 603,UPC. THE WATER -� '\ JOINT UTILITY TRENCH COM/WATERIELEC/GAS. SERVICE SHALL BE INSTALLED 24"BELOW GRADE AT A LOCATION -„S alb risb" q - ! 1 PROVIDE REQUIRED CLEARANCES BETWEEN ALL INSIDE THE FOUNDATION PERIMETER,EQUIPPED WITH A"STOPI ` UTILITIES A5 REQUIRED BY UTILITY COMPANIES. AND DRAIN"VALVE AND FITTED WITH A HANDLE THAT 15 READILY ILACCESSIBLE. ALL WATER PIPING SHALL BE GRADED TO DRAIN. 111 ��. COORDINATE ALL INSPECTIONS WITH INDIVIDUAL -� 1 UTILITY COMPANIES AS REQUIRED ORDINANCE 99-02. WATERLINE TO BE INSPECTED BEFORE 0/0;,.. I �_�_ \` j 1 COVERING. PE PIPE 15 PROHIBITED IF MORE THAN 5'INSIDE THE ‘m li FOUNDATION. 1 \ 1a E 1 -.. p 1 5. A FULL ENCLOSURE ENGINEERED FOR THE PROPERTY 15 I O 11 RECOMMENDED AT NATURAL GA5 METER. VERIFY ALL 1 e '� g".' �? I 1 01 REQUIRED CLEARANCES AND LOCATION WITH UTILITY PROVIDER ` •'" ' r-- - 1 di 1 PRIOR TO INSTALLATION.' ;'•. \\ t " E \ 00 b. GONTRACTOR/OWNER TO PROVIDE ONSITE VEGETATIONva- Cs 15 • U i DEFENSIBLE SPACE FROM PROPOSED STRUCTURES IN ` El. `•"� O ` r' * / a_ CONFORMANCE WITH ANAGORTES FIRE PROTECTION DISTRICT G `,!' Q 3 O t w 1 f� \ STANDARDS. ' \.".4 .'``•;� A 1 w ca 7. CONTRACTOR 15 RESPONSIBLE FOR INSTALLATION AND ` 1c \' to N \ \ may` i EXISTING AND 1 MANAGEMENT OF EROSION CONTROL MEASURES INCLUDING l 1� '' ti . 1��y' 2 �- OV .( d- i� ' PROPOSED FIBER ROLLS AND ANY OTHER MEASURES DEEMED NECESSARY r % ,• V 1in T) rL - 11 i i \\13 U'lidi n • are ACCESS I TO PREVENT SEDIMENT FROM LEAVING THE SITE. CONTRACTOR °i'• � +� m • 4.0* ` -i i \ j •% i r 1},(/ 15 ADVISED TO REFERENCE STORMWATER QUALITY HANDBOOKS ,4•?,I _ N/-\ / �'�\ DRIVEV4IAY CONSTRUCTION SITE BEST MANAGEMENT PRACTICES(BMP'5) r!� � '' ' l �' \ MANUAL,STATE OF WASHINGTON. Ng \_ r ."-� --- _.-_ WATER '� Q` I � �:` �+ '_ METER 8 8. CONTRACTOR TO MINIMIZE EXPOSURE TIME OF DISTURBED SOIL 1 4A t� �' i �- >�� 1 ' VALVE AREAS BY PHASED CONSTRUCTION ACTIVITIES AND STABILIZING �-Ir.,ki t` i \ �- 'V f- .0„ .._ THE SOILS PROMPTLY. t �`l 1 i •-Y4. \\ `'4�I 9. CONCRETE WASH OUT AREAS SHALL BE LOCATED ABOVE \\..,.. I �0 \ \ PROPOSED BMP'S AND FIBER ROLLS. -� - - \` 1 >>, __ • --' • \ �` . " _ 10. CONTRACTOR TO DILIGENTLY MAINTAIN THE TEMPORARY ram _- *,,,i, , CONSTRUCTION ACCESS TO PREVENT 501E TRACKING ON Q-.� ".' ROADWAY. FUGITIVE DUST/SOIL IF TRACKED INTO ROADWAY 1 �� � '` ��= f ♦ i SHOULD BE SWEPT AND REMOVED IMMEDIATELY. 1 j ' b YP121N .','�♦ ��� ♦• • �� A 1@ El ii z 11. CONTRACTOR TOWINTERIZE SITE AND PROVIDE ASMANY-�" o t �� �� ♦ a �- I PERMANENT BMP'S,LANDSCAPING ETC,AS POSSIBLE PRIOR TO i� 01 1 l OCTOBER 15TH. V; - F • I` -- . --` - .c>1• Z___ . _• ♦` ♦♦ *I !', 1 12. A MINIMUM OF 60%OF THE CONSTRUCTION WASTE GENERATED ,(�� I , J \� progiA I ♦ 1 6 �o I AT THE SITE 15 DIVERTED 70 RECYCLE OR SALVAGE. THIS 15 W NEW RES�ID@ r '.11 U ACHIEVED BY USING COUNTY PRE CERTIFIED LAND FILLS OR ® IMPLEMENTATION OF A WASTE MANAGEMENT PLAN. WASTE Kr MANAGEMENT PLAN SHALL BE PRE-APPROVED BY - (i - ( .o ��� ♦% �/� ENVIRONMENTAL SERVICES DEPARTMENT. ' fi. _ v Z ` : CITY 13.A ONE WAY CLEANOUT 15 REQUIRED WITHIN 5 FEET WHERE THE 1! �� OF ANACORTE_-_, ♦♦ i 1 p'a SEWER LATERAL EXITS THE STRUCTURE FOUNDATION. Ir -- • '-, �♦ ��� J CLEANOUT BOXES SHALL BE SET TO GRADE WITH LIPS LABELED I ! r --- de' \ `� f AS"SEWER". CLEANOUT MUST REMAIN ACCESSIBLE AND MAY 0 _ I �► \IA �,.+ 1 _ _ - NOT BE COVERED BY PERMANENT TILES,ROCK,ETC. I 14. ALL SEWER FACILITIES SHALL MEET ANACORTES SANITARY V , 1'• ♦ �� �� P ��. -� I 4 ;/ DISTRICT CODE REQUIREMENTS. t ` . LEGT ICAL \ •. ERVI E 15. ORANGE PLASTIC MESH FENCING 4'-0"TALL SHALL BE INSTALLED IL W `\ TO DEFINE THE CONSTRUCTION ACTIVITY ZONE- ALLlil V IN • NO ` a' ", / CONSTRUCTION ACTIVITIES SHALL BE CONFINED TO THIS AREA. w' Q - LABELED"SEWER , \\ c c FENCING SHALL DELINEATE ALL TRENCHES AND BE N , REMOVEABLE AT THE DRIVEWAY ACCESS POINT ONLY. / WITHIN 5'-0"OFIll • - BUILDING --------:-,-4' -- . O FOUNDATION 1 b. ALL(E)TREES INSIDE THE GONTRUGTION ACCESS ZONE SHALL .. ,1 1 `r __"\ 14 BE PROTECTED WITH 2X6X8'WOOD STRAPPING AT THE TRUNK ` CI ■ OF TREES LARGER THAN 10"IN DIAMETER. ALL TREES SHALL BE v Z I f PROTECTED WITH PLASTIC MESH FENCING 4-0 TALL AT THEIR (� / 1 _ ``` _ \ DRIPLINES. TREES IN CLOSE PROXIMITY OF EACH OTHER MAY i' , BE PROTECTED AS GROUPS. ALL EXCAVATION INSIDE THE % �- �~ QILI $• c DRIPLINE OF TREES SHALL BE DONE BY HAND WITH NO HEAVY O �,��- .,` - EQUIPMENT. i a _ 1 / _ W ':I,\ • 11. STORM WATER DRAINAGE MANAGEMENT SHALL BE ' ~ i > c IMPLEMENTED PRIOR,DURING AND AFTER THE START OF 1 1 /' "ill CONSTRUCTION. * i'� ' -. lb. OUTDOOR FIREPITS SHALL ONLY BE PLUMBED FOR NATURAL 1 i / o W I GAS AND A FIREPIT KIT WILL BE INSTALLED. Document Date: , :: 19.ALL STANDALONE SPAS SHALL BE INSTALLED WITH AN ASTM 1 i ` ! LISTED LOCKING INSULATED SECURITY COVER. , VI/ \� 20. ALL DISTURBED AREAS WILL BE REVEGETATED WITH APPROVED ..` \. FOREST UNDERSTORY OR UPLAND MEADOW SEED MIXTURE, Document Phase: WHICHEVER 15 MORE APPROPRIATE AND ALL AREAS OF Construction Documents I �N� N \ EXPOSED SOIL WILL BE STABILIZED WITH PINE STRAW OR MULCH - 1 1 \ PRIOR TO SUBMITTING FOR FINAL RELEASE I 21. ANY BOULDERS NON-NATIVE TO THEIR LOCATION SHALL BE rev. date remark i I BURIED 1/3 DEEP 50 A5 TO APPEAR NATIVE. 1 N , * o f\\ -N. \ I 22.BBQ HOOD SHALL BE PROVIDED WITH A COVER FOR FINAL 1 - t ' 1 /'� 'N _ _ _ 23.ALL INFILTRATION BASINS SHALL BE REVIEWED WITH ���ffI ARCHITECTURE •REVIEW AT THE PRE CONSTRUCTION MEETING •.,, -. k. a a FOR EXACT PLACEMENT RELATIVE TO NATURAL VEGETATION. tut- III �, Existing Site N N 89' 9'17^E-173.84' _., ' , ■ - , • Plan 1 4r. , / ` 4- 1 kt$, mow. r,.. Alvt,"-:-/,,,,e014„....- ..:r,: _ ,• Alik I A a A PV14 0 AIIM A i ii I , 0414 Al . 1 1 _/7 y _/_,,,_ _ __ _ _ _�� _����� _y �J� ��./.�y A 1 Existing Site Plan NORTH A1.1 lllb"=l'-0" The use of these plans and speesficattons is restricted to the original site for welch they were prepared. Reuse,reproduction or publication by any method In whole nr In rout La nrnhlbitrd .,nleas n,hhnri re4 h.,Ftlrhaal YrnArn /a,:nerahin of the 4esinn ntnnc and.cr.trifiratinnc is c-leh,uAth Mlrhwtl Trattnn Eaki-5 t 3 p65-4-- den_ l Developing a Soil Management Plan SECTICtr/E Model SOIL MANAGEMENT PLAN for BMP T5.13 (available as MS Word file at www.SoilsforSalmon.org) PROJECT INFORMATION Page # of pages Complete all information on page 1; only site address and permit number on additional pages. Site Address / Lot No.: Permit Type: Permit Number: ' Permit Holder: Phone: . Mailing Address: Contact Person: Phone: Plan Prepared By: ATTACHMENTS REQUIRED (Check off required items that are attached to this plan) Site Plan showing, to scale: Areas of undisturbed native vegetation (no amendment required) New planting beds and turf areas (amendment required) Type of soil improvement proposed for each area Soil test results (required if proposing custom amendment rates) Product test results for proposed amendments AREA# (should match Area # on Site Plan) PLANTING TYPE Turf Undisturbed native vegetation Planting Beds Other: SQUARE FOOTAGE OF THIS AREA: square feet SCARIFICATION inches (depth) of scarification needed to achieve finished total 12" loosened depth. Subsoil will be scarified PRE-APPROVED inches of compost or imported topsoil applied AMENDMENT METHOD: X 3.1 (conversion factor, inches to cubic yards) PRODUCT: Topsoil import = cu. yards per 1,000 sq. ft. Amend with compost X ,000s sq.ft. in this area Stockpile and amend = cubic yards of amendment —f —> —> —* —> QUANTITY: CU. YDS. ( cu. yds. stockpiled) (needed to cover this area to designated depth) CUSTOM AMENDMENT Attach test results and calculations. Topsoil import inches organic matter or topsoil import PRODUCT: Topsoil & compost lift X 3_1 Amend = cu. yards / 1,000 sq. ft. Stockpile and amend X ,000s sq.ft. in this area ( cu. yds. stockpiled) = cubic yards of amendment —> —> —> —> —> QUANTITY: CU. YDS. MULCH ,000 sq.ft. PRODUCT: X 6.2 (conversion, to give 2 inch mulch depth) = cubic yards of mulch —> — —k --> —> --> QUANTITY: CU. YDS. TOTAL AMENDMENT/TOPSOIL/MULCH FOR ALL AREAS (complete on page 1 only, totaling all areas/pages in this Plan) ❑ Product#1: ❑ Quantity: cu. yds. ❑ Test Results: % organic matter C:N ratio <25:1 (except mulch, or<35:1 for native plants) "stable" (yes/no) ❑ Product#2: ❑ Quantity: cu. yds. ❑ Test Results: % organic matter C:N ratio <25:1 (except mulch, or<35:1 for native plants) "stable" (yes/no) U Product#3: ❑ Quantity: cu. yds. ❑ Test Results: % organic matter C:N ratio <25:1 (except mulch, or<35:1 for native plants) "stable" (yes/no) Date: Inspector: Approved: Revisions Required: Date: Inspector: Approved: Revisions Required: COMMENTS: • 13 Developing a Soil Management Plan — SECTION FIVE Model SOIL MANAGEMENT PLAN for BMP T5.13 (available as MS Word file at www.SoilsforSalnzon.org) PROJECT INFORMATION Page# of pages Complete all information on page 1; only site address and permit number on additional pages. Site Address / Lot No.: Permit Type: Permit Number: Permit Holder: _ Phone: • Mailing Address: Contact Person: Phone: Plan Prepared By: ATTACHMENTS REQUIRED (Check off required items that are attached to this plan) Site Plan showing, to scale: Areas of undisturbed native vegetation (no amendment required) New planting beds_and turf areas (amendment required) Type of soil improvement proposed for each area Soil test results (required if proposing custom amendment rates) Product test results for proposed amendments AREA# (should match Area #on Site Plan) PLANTING TYPE Turf Undisturbed native vegetation — Planting Beds Other: SQUARE FOOTAGE OF THIS AREA: square feet SCARIFICATION inches (depth) of scarification needed to achieve finished total 12" loosened depth. Subsoil will be scarified PRE-APPROVED inches of compost or imported topsoil applied AMENDMENT METHOD: X 3.1 (conversion factor, inches to cubic yards) PRODUCT: Topsoil import =cu. yards per 1,000 sq. ft. Amend with compost X ,000s sq.ft. in this area Stockpile and amend =cubic yards of amendment --> —> --> —p —> QUANTITY: CU. YDS. ( cu. yds. stockpiled) (needed to cover this area to designated depth) CUSTOM AMENDMENT Attach test results and calculations. Topsoil import inches organic matter or topsoil import PRODUCT: Topsoil & compost lift X 3.1 Amend = cu. yards / 1,000 sq. ft. Stockpile and amend X ,000s sq.ft. in this area ( cu. yds. stockpiled) = cubic yards of amendment —> — — -- > —> QUANTITY: CU. YDS. MULCH ,000 sq.ft. PRODUCT: X 6.2 (conversion, to give 2 inch mulch depth) = cubic yards of mulch — —> --> - > —> -> QUANTITY: CU. YDS. TOTAL AIVIENDMENT/TOPSOIL/MULCH FOR ALL AREAS (complete on page 1 only, totaling all areas/pages in this Plan) ❑ Product#1: ❑ Quantity: cu. yds. ❑ Test Results: % organic matter C:N ratio <25:1 (except mulch, or <35:1 for native plants) "stable" (yes/no) ❑ Product#2: ❑ Quantity: cu. yds. ❑ Test Results: % organic matter C:N ratio <25:1 (except mulch, or<35:1 for native plants) "stable" (yes/no) ❑ Product#3: ❑ Quantity: cu. yds. ❑ Test Results: % organic matter C:N ratio <25:1 (except mulch, or <35:1 for native plants) "stable" (yes/no) Date: Inspector: Approved: Revisions Required: Date: Inspector: Approved: Revisions Required: COMMENTS: 13 BMP T5.13:Post-Construction Soil Quality and Depth https://fortress.wa.gov/ecy/madcap/wq/2014SW v1MWWinteractive/C... You are here: 2014 SWMMWW> Volume V-Runoff Treatment BMPs> Chapter V-5-On-Site Stormwater Management D 4 >BMP T5.13:Post-Construction Soil Quality and Depth 1 of 5 1/26/2018,9:47 AM BMP T5.13:Post-Construction Soil Quality and Depth https://fortress.wa.gov/ecy/madcap/wq/2014SWMMWWinteractive/C... BMP T5.13: Post-Construction Soil Quality and Depth Purpose and Definition Naturally occurring (undisturbed) soil and vegetation provide important stormwater functions including: water infiltration; nutrient, sediment, and pollutant adsorption; sediment and pollutant biofiltration; water interflow storage and transmission; and pollutant decomposition. These functions are largely lost when development strips away native soil and vegetation and replaces it with minimal topsoil and sod. Not only are these important stormwater functions lost, but such landscapes themselves become pollution generating pervious surfaces due to increased use of pesticides, fertilizers and other landscaping and household/industrial chemicals, the concentration of pet wastes, and pollutants that accompany roadside litter. Establishing soil quality and depth regains greater stormwater functions in the post development landscape, provides increased treatment of pollutants and sediments that result from development and habitation, and minimizes the need for some landscaping chemicals, thus reducing pollution through prevention. Applications and Limitations Establishing a minimum soil quality and depth is not the same as preservation of naturally occurring soil and vegetation. However, establishing a minimum soil quality and depth will provide improved on-site management of stormwater flow and water quality. Soil organic matter can be attained through numerous materials such as compost, composted woody material, biosolids, and forest product residuals. It is important that the materials used to meet the soil quality and depth BMP be appropriate and beneficial to the plant cover to be established. Likewise, it is important that imported topsoils improve soil conditions and do not have an excessive percent of clay fines. This BMP can be considered infeasible on till soil slopes greater than 33 percent. Design Guidelines • Soil retention. Retain, in an undisturbed state, the duff layer and native topsoil to the maximum extent practicable. In any areas requiring grading remove and stockpile the duff layer and topsoil on site in a designated, controlled area, not adjacent to public resources and critical areas, to be reapplied to other portions of the site where feasible. 2 of 5 1/26/2018,9:47 AM BMP T5.13: Post-Construction Soil Quality and Depth https://fortress.wa.gov/ecy/madcap/wq/2014SWMMWWinteractive/C... • Soil quality. All areas subject to clearing and grading that have not been covered by impervious surface, incorporated into a drainage facility or engineered as structural fill or slope shall, at project completion, demonstrate the following: 1. A topsoil layer with a minimum organic matter content of 10% dry weight in planting beds, and 5% organic matter content in turf areas, and a pH from 6.0 to 8.0 or matching the pH of the undisturbed soil. The topsoil layer shall have a minimum depth of eight inches except where tree roots limit the depth of incorporation of amendments needed to meet the criteria. Subsoils below the topsoil layer should be scarified at least 4 inches with some incorporation of the upper material to avoid stratified layers, where feasible. 2. Mulch planting beds with 2 inches of organic material 3. Use compost and other materials that meet these organic content requirements: a. The organic content for"pre-approved" amendment rates can be met only using compost meeting the compost specification for BMP T7.30: Bioretention Cells, Swales, and Planter Boxes, with the exception that the compost may have up to 35% biosolids or manure. The compost must also have an organic matter content of 40% to 65%, and a carbon to nitrogen ratio below 25:1. The carbon to nitrogen ratio may be as high as 35:1 for plantings composed entirely of plants native to the Puget Sound Lowlands region. b. Calculated amendment rates may be met through use of composted material meeting (a.) above; or other organic materials amended to meet the carbon to nitrogen ratio requirements, and not exceeding the contaminant limits identified in Table 220-B, Testing Parameters, in WAC 173-350-220. The resulting soil should be conducive to the type of vegetation to be established. • Implementation Options: The soil quality design guidelines listed above can be met by using one of the methods listed below: 3 of 5 1/26/2018, 9:47 AM BMP T5.13: Post-Construction Soil Quality and Depth hops://fortress.wa.gov/ecy/madcap/wq/2014SWMMWWinteractive/C... 1. Leave undisturbed native vegetation and soil, and protect from compaction during construction. 2. Amend existing site topsoil or subsoil either at default "pre-approved" rates, or at custom calculated rates based on tests of the soil and amendment. 3. Stockpile existing topsoil during grading, and replace it prior to planting. Stockpiled topsoil must also be amended if needed to meet the organic matter or depth requirements, either at a default "pre-approved" rate or at a custom calculated rate. 4. Import topsoil mix of sufficient organic content and depth to meet the requirements. More than one method may be used on different portions of the same site. Soil that already meets the depth and organic matter quality standards, and is not compacted, does not need to be amended. Planning/Permitting/Inspection/Verification Guidelines & Procedures Local governments are encouraged to adopt guidelines and procedures similar to those recommended in Guidelines and Resources For Implementing Soil Quality and Depth BMP T5.13 in WDOE Stormwater Management Manual for Western Washington. This document is available at: http://www.soilsforsalmon.orq/pdf/Soil BMP Manual.pdf Maintenance • Establish soil quality and depth toward the end of construction and once established, protect from compaction, such as from large machinery use, and from erosion. • Plant vegetation and mulch the amended soil area after installation. • Leave plant debris or its equivalent on the soil surface to replenish organic matter. • Reduce and adjust, where possible, the use of irrigation, fertilizers, herbicides and pesticides, rather than continuing to implement formerly established practices. Runoff Model Representation Areas meeting the design guidelines may be entered into approved runoff models as "Pasture" 4 of 5 1/26/2018,9:47 AM BMP T5.13: Post-Construction Soil Quality and Depth https://fortress.wa.gov/ecy/madcap/wq/2014SWMMWWinteractive/C... rather than "Lawn." Flow reduction credits can be taken in runoff modeling when BMP T5.13: Post-Construction Soil Quality and Depth is used as part of a dispersion design under the conditions described in: • BMP T5.10B: Downspout Dispersion Systems • BMP T5.11: Concentrated Flow Dispersion • BMP T5.12: Sheet Flow Dispersion • BMP T5.18: Reverse Slope Sidewalks • BMP T5.30: Full Dispersion (for public road projects) Figure V-5.3.3 Planting bed Cross-Section 2014 Figure V-5.3.3 pdf download Washington State Department of Ecology 2012 Stormwater Management Manual for Western Washington, as Amended in December 2014 (The 2014 SWMMWW) 5 of 5 1/26/2018, 9:47 AM • �� SITE PLAN GENERAL NOTES _•• e I'-- -- • ■ y ■ ■ ••••••a•' •■ ■ �� ■ • • I id ildiaddiddiaidilEXISTING GRADE WAS PREPARED PRIOR 1. THE CITY ENGINEERING DEPARTMENT MAY REQUIRE A MINIMUM 9 <Q •. PROPERTY LINE N 89'09'17" E 131.61' I TO CONSTRUCTION, LEVELED AND 15" CMP AT DRIVEWAY. SEE ENCROACHMENT PERMIT FOR 1 0 o w N WATER PRELIMINARILY STAKED FOR LOCATION OF FURTHER INFORMATION REGARDING REQUIREMENTS. N N •' ♦ ELECT. FUTURE STRUCTURE i I IT---r - a 1 GAS '� i 2. A SOILS REPORT HAS BEEN PREPARED FOR THIS PROJECT. -1 EASEMENT FOR ♦ REFER TO THE REPORT FOR ALL SPECIFIC REQUIRMENTS WITH ^- ii, N FUTURE CUL-DE-SAC �— I REGARDS TO GRADING, EXCAVATION AND FILL. iJ. 1 •♦ / ♦ UTILITY TRENCH LOCATION - PROVIDE �. . PROTECTION FENCING ON ALL SIDES OF 3. ADDRESS SIGNS AND PORT-A-POTTI SHALL BE ON THE JOB SITE A " - - - 2 ...•. ♦♦ 25'-0" ' TRENCH. ALL TRENCH FENCING SHALL BE AT THE TIME OF FIRST INSPECTION. ♦ REMOVED AFTER TRENCHES ARE BACK- kaii‘FILLED.♦` FILLED. CONSTRUCTION ZONE FENDING 4. HATER SUPPLY PIPING SHALL BE PROTECTED FROM FREEZING 20-O" ♦ SHALL BE RESET TO FOLLOW THE DRIVEWAY BY A MINIMUM OF 36" OF EARTH COVERING. WATER SUPPLY t Pt ' RSE SETBACK 365 ♦ 2O'-O �� EDGE. iaa IS) / FRONT PIPING SHALL BE PROVIDED WITH AN APPROVED BAGKFLOW SETBACK az PREVENTION DEVICE AS PER SECTION 603, UPC. THE WATER t, `'•N I \ ':1'7. JOINT UTILITY TRENCH COM/WATER/ELEC/GAS. SERVICE SHALL BE INSTALLED 24" BELOW GRADE AT A LOCATIONpt ' PROVIDE REQUIRED CLEARANCES BETWEEN ALL INSIDE THE FOUNDATION PERIMETER, EQUIPPED WITH A"STOP • tL I Iill UTILITIES AS REQUIRED BY UTILITY COMPANIES. AND DRAIN"VALVE AND FITTED WITH A HANDLE THAT 15 READILY • " i - COORDINATE ALL INSPECTIONS WITH INDIVIDUAL ACCESSIBLE. ALL WATER PIPING SHALL BE GRADED TO DRAIN. \ %` '• UTILITY COMPANIES A5 REQUIRED ORDINANCE 99-02. WATERLINE TO BE INSPECTED BEFORE \ I -' - ' / " ` 11.1 \ I ■ COVERING. PE PIPE 15 PROHIBITED IF MORE THAN 5' INSIDE THE FOUNDATION. ■ --r- E f' \ I 5. A FULL ENCLOSURE ENGINEERED FOR THE PROPERTY 15 0o '/� ry •N I RECOMMENDED AT NATURAL GAS METER. VERIFY ALL v E I I cv lu I REQUIRED CLEARANCES AND LOCATION WITH UTILITY PROVIDER <,.` Ili ill - O V ' L. a �' ~ \I• PRIOR TO INSTALLATION. ry V Q _ + q p i_ \ o- O� l6 I' 24' ' 1 X \ b. CONTRACTOR/OWNER TO PROVIDE ONSITE VEGETATION , -ci � 0 p� / v 0 DEFENSIBLE SPACE FROM PROPOSED STRUCTURES IN zf O ` I" I N I •N CONFORMANCE WITH ANACORTES FIRE PROTECTION DISTRICT , $as a 3 O ' /S \� Q STANDARDS. I .�� ccs $ 4 • / n i O \ EXISTING AND I 1. CONTRACTOR 15 RESPONSIBLE FOR INSTALLATION AND �x � ` x' #' N N to U MANAGEMENT OF EROSION CONTROL MEASURES INCLUDING ; a `� N N ' • PROPOSED FIBER ROLLS AND ANY OTHER MEASURES DEEMED NECESSARY + - in to - co is • b l� n g are ACCESS 1 ■ TO PREVENT SEDIMENT FROM LEAVING THE SITE. CONTRACTOR ' �, L - ', -` ' N. N t4 ro DRIVEWAY \ 15 ADVISED TO REFERENCE STORMWATER QUALITY HANDBOOKS I}S CONSTRUCTION SITE BEST MANAGEMENT PRACTICES (BMP 5) , r • .• N. • 1 WATER , `• , .,A,'4'h Sa � 370 \t METER & S. CONTRACTOR TO MINIMIZE EXPOSURE TIME OF DISTURBED SOIL \ , • ` VALVE AREAS BY PHASED CONSTRUCTION ACTIVITIES AND STABILIZING THE SOILS PROMPTLY. I / ' / N .--- A U�,a 1/ A /' \ 6 �J0 1, q. CONCRETE WASH OUT AREAS SHALL BE LOCATED ABOVE I ! N S �� \ PROPOSED BMP'S AND FIBER ROLLS. = I • N •VC v r' \,. 10 CONTRACTOR TO DILIGENTLY MAINTAIN THE TEMPORARY - �.O°° / !` ` I CONSTRUCTION ACCESS TO PREVENT 501E TRACKING ON 0 ,5 j xr \ 1 LINE F ° ROADWAY. FUGITIVE DUST/SOIL IF TRACKED INTO ROADWAY //� T :,r a \l :\�\- \ SHOULD BE SWEPT AND REMOVED IMMEDIATELY. Y/.i BUILDING "� 4 f ., , FOOTPRINT .�" ; ., \ ` 1�b, �� �`: \� \• - F' \ 11. CONTRACTOR TO WINTERIZE SITE AND PROVIDE A5 MANY i Ca o �`�` PERMANENT BMP'S, LANDSCAPING ETC, A5 POSSIBLE PRIOR TO CA C o a t� ,- `V ��o /„ " ' b 9 ; • �V OCTOBER 15TH. X, ` ., \ " 2 •y `` ' APPROXIMATE V; RIFIED 12. A MINIMUM OF 60% OF THE CONSTRUCTION WASTE GENERATED J � Thi �\ �� �, ��`` �I • �""!, AT THE SITE IS DIVERTED TO RECYCLE OR SALVAGE. THIS 15 CO I / ;'` < ,�-' I > a ACHIEVED BY USING COUNTY PRE-CERTIFIED LAND FILLS OR }r o ^'" ���` `����� V PORTS P TI IMPLEMENTATION OF A WASTE MANAGEMENT PLAN. WASTE �.J c /q� �/ • N , —�` „ `y O LOG N I `v MANAGEMENT PLAN SHALL BE PRE-APPROVED BY Y �_ o •C �` \, \°rR , I ENVIRONMENTAL SERVICES DEPARTMENT. • q_, U) Q, � _, ti @yUyy •r q,, , 44 r " : emu, W O I . ,-,' [ v/ Z a P a \.�,. \ • W 13. A ONE WAY GLEANOUT 15 REQUIRED WITHIN 5 FEET WHERE THE Z SEWER LATERAL EXITS THE STRUCTURE FOUNDATION. K 4., •. 1.. , _ ` \ N j GLEANOUT BOXES SHALL BE SET TO GRADE WITH LIDS LABELED �a �` > A5 "SEWER". GLEANOUT MUST REMAIN ACCESSIBLE AND MAY 4 ,r, i__ , „, .„.. .,,, . ... am', .�'._ ` �,,, ' /� > F i NOT BE COVERED BY PERMANENT TILES, ROCK, ETC. • � � �� �C/O re W 1 co 0. 14. ALL SEWER FACILITIES SHALL MEET ANACORTES SANITARY O DISTRICT CODE REQUIREMENTS. • 0eter (N)400 AMP `\ O OC a ' , 1 ELECTRICAL \ Z 15. ORANGE PLAT MESHILI PLASTIC FENCING 4' 0" TALL SHALL BE INSTALLED - SE RVICE ICE I N TO DEFINE THE CONSTRUCTION ACTIVITY ZONE. ALL V r� as TALL G �(i Q INS LEANOUT Q CONSTRUCTION ACTIVITIES SHALL BE CONFINED TO THIS AREA. O • ' + :OX O �� FENCING SHALL DELINEATE ALL TRENCHES AND BE LAB-EL€D "SEWER" S- �°\° \•. , ■W REMOVEABLE AT THE DRIVEWAY AGGE55 POINT ONLY. < 1K BUILD NHIN G OF 'L \ i/ O FOUNDATION 16. ALL (E)TREES INSIDE THE CONTRUCTION ACCESS ZONE SHALL _ , ( BE PROTECTED WITH 2XSX8'WOOD STRAPPING AT THE TRUNKI Q 1 i OF TREES LARGER THAN 10" IN DIAMETER. ALL TREES SHALL BE V Z N O - \ PROTECTED WITH PLASTIC MESH FENCING 4'-0"TALL AT THEIR ^I \ \ DRIPLINES. TREES IN CLOSE PROXIMITY OF EACH OTHER MAY iS) BE PROTECTED AS GROUPS. ALL EXCAVATION INSIDE THE 0 < ; \ W 1 \ ■ DRIPLINE OF TREES SHALL BE DONE BY HAND WITH NO HEAVY \ O I \ EQUIPMENT. I0 � Nr4.4:\375 tY - \� ■ I 1l. STORM WATER DRAINAGE MANAGEMENT SHALL BE ~ 7 �� IMPLEMENTED PRIOR, DURING AND AFTER THE START OF I , \ .- / --- W ):, , I L ,• - CONSTRUCTION. m * O 18. OUTDOOR FIREPITS SHALL ONLY BE PLUMBED FOR NATURAL ;v ,i ` k� " - W GAS AND A FIREPIT KIT WILL BE INSTALLED. �� Q ! v Document Date I i 19. ALL STANDALONE SPAS SHALL BE INSTALLED WITH AN ASTM X ,M \ LISTED LOCKING INSULATED SECURITY COVER. - v 1 ■ - r'\ 20. ALL DISTURBED AREAS WILL BE REVEGETATED WITH APPROVED •Document Phase. ' r IIII FOREST UNDERSTORY OR UPLAND MEADOW SEED MIXTURE, • WHICHEVER 15 MORE APPROPRIATE AND ALL AREAS OF Construction Documents • EXPOSED SOIL WILL BE STABILIZED WITH PINE STRAW OR MULCH \ PRIOR TO SUBMITTING FOR FINAL RELEASE + \ 21. ANY BOULDERS NON-NATIVE TO THEIR LOCATION SHALL BE rev ldate remark 1 • _ j\ \ BURIED 1/3 DEEP 50 A5 TO APPEAR NATIVE. 3/5/1s SETBACKS REMARK 2 ' • ; % 3/5/13 CONTOUR ELEVATIONS * o • \ I[` \ 22. BBQ HOOD SHALL BE PROVIDED WITH A COVER FOR FINAL A • . \ RELEASE. •` I \ 23.ALL INFILTRATION BASINS SHALL BE REVIEWED WITH t ,.- °Pk3 rat - I I ' L I-\o IL yr,--- \ ARCHITECTURE REVIEW AT THE PRE CONSTRUCTION MEETING ,,� F,4W tic "„- ,; N• N \ o w ` ■ FOR EXACT PLACEMENT RELATIVE TO NATURAL VEGETATION. •` I \\\��� NN N 89'09'17" E 173.84N, . . Existing Site N Plan 1 / in • • , , . ,„ � , Existing Site Plan \ NORTH • 1/16" = 1'-0" kac "e JSt`k ,d " . The use of these plans and specifications is restricted to the original site for which they were prepared. Re-use,reproduction or publication by any method i3 W'r"4�'* ` ,5 t Ag in whole or in part is prohibited,unless authorized by Michael Trafton Ownership of the design,plans and specifications is solely with Michael Trafton. ` �� "'"""' . EROSION CONTROL MEASURES AND BEST MANAGEMENT PRACTICE51 > a� ■ ■ 11 llllllllllllllllllll iS• ■ ■ • ■ lllllll llllllll�l * •• 1 ■ ■ 1. ALL AREAS OF SITE DISTURBANCE SHALL BE IDENTIFIED BY THE INSTALLATION OF PERFORATED PLASTIC �� ■ FENCING WITH A BRIGHT CONTRASTING COLOR 50 THE AREAS OF DISTURBANCE ARE CLEARLY o Q< �•, PROPERTY LINE N 89'09'17" E 131.61' >m N. IDENTIFIED THROUGHOUT THE ENTIRE CONSTRUCTION PERIOD. w 1 THE FENCE SHALL BE MAINTAINED A m •• i THROUGHOUT THE CONSTRUCTION PERIOD T- N. 2. FIBER ROLL BARRIERS SHALL CONSIST OF MILLED WOOD OR OTHER NATURAL FIBERS SEWN INTO A \ EASEMENT FOR 4 CIRCULAR WEAVE FABRIC. FIBER ROLLS SHALL BE INSTALLED ON THE CONTOUR LINE PERPENDICULAR N. FUTURE CUL-DE-SAC a ■ TO THE SLOPE DIRECTION AND KEYED INTO A CONCAVE TRENCH OF AT LEAST THREE INCHES OF DEPTH. a. ••♦ ROLLS SHALL BE STAKED ON BOTH SIDES EVERY 12"STAGGERED. WHEN TWO ROLLS ABUT THE ENDS 25'-0 •\ ��` ■ �, SHALL CREATE A TIGHT JOINT TO PREVENT SEDIMENT FROM ESCAPING. DRAINAGENARRATIVE■ `' �� 3. ENTIRE AREAS BELOW DECKS SHALL BE COVERED WITH b" DEEP 3/4"CLEAN DRAINROCK 20-0" 20' 0" s REAR YARD Jr 4. PROPER INSTALLATION AND MAINTENANCE OF ALL EROSION CONTROL MEASURES SHALL BE PRACTICED , SETBACK 365 ,, FRONT YARD " Proposed site encompasses 51,331 square ft. of natural SETBACK THROUGHOUT THE ENTIRE CONSTRUCTION PERIOD vegetation, fir trees, maple trees and alder trees, ......, 3 )1, ♦ C] I 5. UNUSED CONSTRUCTION MATERIALS, DEBRIS AND EXCAVATION/GRADING MATERIALS SHALL BE CLEANED n; • approximately 11 ,4b1 square ft. will be planted in local \ ut `I` AND REMOVED FROM SITE. 11 1 • grasses and shrubs which will meet or exceed the 20% • 4 , , ♦ 2' 1 S. STORAGE OF ALL CONSTRUCTION MATERIALS AND PARKING SHALL BE RESTRICTED TO AREAS THAT ARE i 13/4 • requirement. tu \ I ■ CAPABLE OF ELIMINATING DEBRIS FROM BEA q CARRIED OF SITE BY BOTH PEDESTRIAN AND VEHICULAR N. N.W \ w��+ TRAFFIC. ' •\• A gentle slope from the southwest to the northwest will provide I •\ sufficient drainage for the new single family home to be o •O ♦ 1 ■ r 1. DRIVEWAYS AND CONSTRUCTION ACCESS SHALL HAVE TRACK OFF CONTROL. PRIOR TO WINTER p N I- N CONSTRUCTION (1ST OF MAY- 15TH OF OCTOBER, ALL CONSTRUCTION ACCESS POINTS SHALL BE Q. E \ located on the site, the proposed storm water from new c' iu •• I COVERED WITH GRAVEL OR CRUSHED ROCK. FIBER ROLLS SHALL BE PLACED ALONG FULL ACCESS - n O ea Q • • construction will be controlled with gutters and downspouts to N i•• P WIDTH AND RETURNED 3 FEET UPSLOPE DURING ALL CONSTRUCTION ACTIVITIES. FIBER ROLLS MAY BE I C4 C \ MOVED DURING ACCESS ONLY AND REPOSITIONED IMMEDIATELY. FIBER ROLLS SHALL BE REPLACED IF . ` •.\ splash blocks that will utilize-full dispersion to"the site. X $ ••\ THE ROLL DETERIORATES DUE TO CONTINUED REPOSITIONING OR DAMAGE DUE TO ANY CONSTRUCTION 4 . 4' x?`' c - @ v N q .O I 1 ACTIVITIES n - R, O l6 t- + • - C escr� 65 fe/c&,n} t o •t-, it 1 ••\ I c Q 3 0 �I� rn 8. IF CONSTRUCTION ACTIVITY WILL OCCUR BETWEEN 15TH OF OCTOBER AND THE 1ST OF MAY, DRIVEWAYSIE �- ` tri$ a 0.5 ytcc-h1a.Z • t�•egxr{-ghbn. I 3` c6 O ' < I 1 SHALL BE PAVED IF THE SLOPE OF THE DRIVEWAY EXCEEDS 10% OR IF THE DRIVEWAY WILL BE USED FOR rr " iry ..c •4--•• O �i jP/kAva‘ p¢ ' "`S tl«�� EXISTING AND �• 1 THE STOARAGE OF MATERIALS OR VEHICULAR ACCESS. 7. } ' a QS N o ,fa N �t - !,." ! ♦1 " � s d v to u> h i I d i n area PROPOSED i 9. ALL AREAS OF SITE DISTURBANCE SHALL BE COVERED WITH 2"SHREDDED REDWOOD MULCH OR 1 t, m {jp%l N u g ACCESS ; ■ HYRDOSEEDED FOR WINTERIZATION AS WELL A5 AREAS THAT ARE NOT LANDSCAPED AT FINAL GRADING. r9• s. i3 vtu L i ' �z � �7J LIMITS OF CONSTRUCTION ZONE DRIVEWAY 1 10. ALL DIRT STOCKPILES AND AREAS SHALL BE COVERED WITH VISQUEEN AND STAKED/WEIGHTED TO r ACTIVITY AREA TO BE DEFINED 4 I ♦ PREVENT MOVEMENT OF BARRIER DUE TO WIND. YJ�+`(G@c (� '� ., WITH PLASTIC MESH FENCING OQ �` et,� - "� • 370 48"TALL TO FULL PERIMETER OF 5� ho\o 1 \'' 11. ALL DISTURBED AREAS THAT ARE SLOPED UP TO A 3:1 SLOPE SHALL BE COVERED WITH HYRODSEED AND \ CAZ gMPC233 ti` 1 OR WOODCHIP MULCH. SLOPES EXCEEDING 3:1 SHALL BE FIRST COVERED WITH A BIODEGRADABLE 3: , GEOTEXTILE FABRIC INSTALLED PER THE MANUFACTURER'S SPECIFICATIONS AND HYDROSEEDED. \• 12. FILTER FENCE REQUIREMENTS , I \ •N ce" • Q4 '•♦ v N .;� •\ A. SILT FENCE SHALL BE CONSTRUCTED BEFORE UPSLOPE LAND DISTURBANCE BEGINS. 0 ��ryho�o \ a } • I ■ \ B. ALL SILT FENCE SHALL BE PLACED A5 CLOSE TO THE CONTOUR A5 POSSIBLE 50 THAT WATER WILL NOT CONCENTRATE AT LOW POINTS IN THE FENCE AND 50 THAT SMALL SWALES OR DEPRESSIONS WHICH '` \• \ MAY CARRY SMALL CONCENTRATED FLOWS TO THE SILT FENCE ARE DISSIPATED ALONG ITS LENGTH. ",, \ ,fi " \ G. TO PREVENT WATER PONDED BY THE SILT FENCE FROM FLOWING AROUND THE ENDS, EACH END SHALL BE CONSTRUCTED UPSLOPE 50 THAT THE ENDS ARE AT A HIGHER ELEVATION. CA .� "\ \• D. WHERE POSSIBLE, SILT FENCE SHALL BE PLACED ON THE FLATTEST AREA AVAILABLE. Cl N W ;f - k''' ' `� APt?ROXI''1ATE TO Y RIFIED z \� 'i i ys I W E. WHERE POSSIBLE, VEGETATION SHALL BE PRESERVED FOR 5 FT. (OR A5 MUCH A5 POSSIBLE) UPSLOPE CO Cilii _ J � �, ' ■ FROM THE SILT FENCE. IF VEGETATION 15 REMOVED, IT SHALL BE REESTABLISHED WITHIN 1 DAYS FROM o , `j I THE INSTALLATION OF THE SILT FENCE.r }�� 0 0. \ a% <<` • '_ f \ 1 r ■ I F. THE HEIGHT OF THE SILT FENCE SHALL BE A MINIMUM OF 16 IN. ABOVE THE ORIGINAL GROUND SURFACE. ' 7 N 411 z �/ \-, I W o 6. THE SILT FENCE SHALL BE PLACED IN A TRENCH CUT A MINIMUM OF b IN. DEEP. THE TRENCH SHALL BE . _ . a 1 • • z CUT WITH A TRENCHER, CABLE LAYING MACHINE, OR OTHER SUITABLE DEVICE WHICH WILL ENSURE iii,.. • ... ..,.. ' \ c.,, _,2 v.,. 'Y \ I N J ADEQUATE UNIFORM TRENCH DEPTH. �� '; V- \:• q�q,� _ I- H. THE SILT FENCE SHALL BE PLACED WITH THE METAL STAKES ON THE DOWNSLOPE SIDE OF THE ♦ U / ✓"'V W M W GEOTEXTILE AND SO THAT THE 8 IN. OF CLOTH ARE BELOW THE GROUND SURFACE. EXCESS MATERIAL iIp IL ; SHALL LIE ON THE BOTTOM OF THE 6-IN. DEEP TRENCH. THE TRENCH SHALL BE BACKFILLED AND , n : '.. '' 1 E m- 0 COMPACTED. . v , i■ LU w+�- •♦ / W Z ■dI I. SEAMS BETWEEN SECTIONS OF SILT FENCE SHALL BE OVERLAPPED WITH THE END STAKES OF EACH � St ' I SECTION WRAPPED TOGETHER BEFORE DRIVING INTO THE GROUND. 0 \ 1 N d O� J. MAINTENANCE -SILT FENCE SHALL ALLOW RUNOFF TO PASS ONLY A5 DIFFUSE FLOW THROUGH THE N B- Or - Gj� yo\o \• I 4) GEOTEXTILE. IF RUNOFF OVERTOPS THE SILT FENCE, FLOWS UNDER OR AROUND THE ENDS, OR IN ANY < iF-. ci - cj: - '\ 1 OTHER WAY BECOMES A CONCENTRATED FLOW, ONE OF THE FOLLOWING SHALL BE PERFORMED, A5 O W ; ma• I APPROPRIATE: 1)THE LAYOUT OF THE SILT FENCE SHALL BE CHANGED, 2)ACCUMULATED SEDIMENT \ I SHALL BE REMOVED, OR 3) OTHER PRACTICES SHALL BE INSTALLED. l Q V 1 C • ? h \, I UN Q 13. CRITERIA FOR SILT FENCE MATERIALS Q / ! \• O / ♦ • \•I A. FENCE STAKES -THE LENGTH SHALL BE A MINIMUM OF 32 IN. LONG. STAKES SHALL BE HEAVY GUAGE Q ♦ p f\ W • GLAVANIZED METAL. THE MAXIMUM SPACING BETWEEN POSTS SHALL BE 10 FT. O tll t 0 \ 0 IL j \ B. SILT FENCE FABRIC SHALL HAVE A WIRE BACKING AND MEET THE FOLLOWING CRITERIA(SEE CHART ��} 2 r,+ ; BELOW) V 375 j I �� FABRIC PROPERTIES VALUES TEST METHOD ♦ n !I /�� '`.1 GRAB TENSILE STRENGTH 90 LB. MIN. ASTM D1682 0 } CI. MULLEN BURST STRENGTH 180 P51 MIN. ASTM D 3186 SLURRY FLOW RATE 03 GAL/MIN/FT MAX. US STD. SIEVE GW-02215 f - F EQUIVELANT OPENING SIZE 40-80 ASTM - G -26 Document Date Q _ I \ ULTRAVIOLET RADIATION STAB. 90% MIN. , , i, It 4. I_ • r " wfi s; X I \ 14. INFILTRATION TRENCH INSTALLATION BE• Document Phase: D_ I \ A. INFILTRATION TRENCHES SHALL INSTALLED LEVEL WHERE POSSIBLE. ON SLOPES, THE TRENCH SIZE Q I ' \ MAY BE REDUCED TO 18"WIDE BY 8" DEEP AND FUNCTION SOLELY A5 CONVEYANCE STRUCTURES. AT Construction Documents `i • THE LOW POINT OF THE CONVEYANCE TRENCH A DRYWELL MUST BE INSTALLED SIZED TO THE SAME \ VOLUME A5 NOTED FOR THE TRENCH. AN ALTERNATE METHOD 15 TO PROVIDE STEPPED TRENCHES WITH Ii °• STONE BAFFLES THAT ALLOW FOR LEVEL DISTRIBUTION OF THE RUNOFF INTO THE TRENCH. rev. date remark „ • • � • i• \\. .,.' B. INFILTRATION TRENCHES LOCATED INSIDE THE DRIPLINES OF TREES SHALL BE EXCAVATED BY HIND TO • i ` ,' \ HELP ELIMINATE THE POTENTIAL DAMAGE TO THE TREES ROOT BALL. SHOULD TAP ROOTS BE o •• . \ ! °� ENCOUNTERED, SPAN THE TRENCH AROUND THE TAP ROUTE WITHOUT DAMAGING THE TAP ROOT. • N }1 \ C. INFILTRATION TRENCHES AND DRYWELLS SHALL BE LINED WITH LARGER STONES AT THE PERIMETER. • PLACE GEOTEXTILE FILTER FABRIC OVER LARGER STONES AND THEN FILL 3/4" DRY CLEAN GRAVEL OVER ii I�AY 1 _Ii--- \ THE FILTER FABRIC FLUSH TO GRADE \''♦ \. i m ` . ' • ♦ , D. INFILTRATION TRENCHES ALONG DRIVEWAYS SHALL BE INSTALLED IN A SIMILAR FASHION TO DRIP LINE N mu- m N 89'09'17" E 173.84'\, \ • , --- TRENCHES. THEY MUST BE INSTALLED A5 CLOSE TO LEVEL AS POSSIBLE. WHERE THE DRIVEWAY 15 Construction ••\ _ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ // SLOPED, THE TRENCH WILL ACT AS A CONVEYANCE SYSTEM TO A LARGER DRYWELL AT THE BASE. ,5 s u' •.\ PROPERTY LINE I / SLOTTED STEEL DRAINS MAY BE INSTALLED IN STEEP DRIVEWAYS IN LIEU OF THE CONVEYANCE TRENCH. • ` .: ! / l} \ IN THIS CASE THE ENTER THE DRAIN. TTIVEWAY MUST NOT HAVE CROSS SLOPE IN HE DRAIN WOULD THEN DISCHARGE INTO AORDER TO RYWELL SIZED OR THE VOLUMYS ALL THE EF TO OF management 1, •'• A,, /� THE INFILTRATION TRENCH. N 1 15. THE GOAL DURING CONSTRUCTION 15 TO MINIMIZE OR COMPLETELY ELIMINATE THE POTENTIAL FOR - Plan 380 m pa rks d e ease m e n \ ' f 1 EROSION AND SEDIMENTATION UNTIL THE FINAL BMP'S ARE INSTALLED AND FULLY FUNCTIONING. IT 15 THE CONTRACTORS RESPONSIBILITY TO INSTALL, MAINTAIN AND MAKE EFFECTIVE ALL BMP MEASURES TO MAINTAIN THIS GOAL WITH ALL TEMPORARY AND PERMANENT BMP'S. PERMANENT BMP'S ARE SIZED . ,` FOR A 20 YEAR/1 HOUR STORM AND IF INSTALLED PROPERLY CAN HELP PREVENT THE DISCHARGE OF • • DEGRADED RUN-OFF WATER FROM CONSTRUCTION SITES AND COMPLETED PROJECTS. WHILE A 11 .1 2 I • '` EXTENSIVE MEASURES ARE IDENTIFIED ON THESE PLANS, THE CONTRACTOR MUST VERIFY THAT THE •. • • N . •\ INSTALLATION MEETS THE VARIOUS UNANTICIPATED VARIABLES THAT ARE COMMONLY ENCOUNTERED NORTH. Construction Management Plan DURING THE CONSTRUCTION PROCESS. • N 1/16" = 1'-0" The use of these plans and specifications is restricted to the original site for which they were prepared. Re-use,reproduction or publication by any method "• \ in whole or in part is prohibited,unless authorized by Michael Trafton. Ownership of the design,plans and specifications is solely with Michael Trafton. •N '•N • • a LANDSCAPE PLAN REQUIEREMENTS: `. PROPERTY LINE N 89'09'17" 1.61' 6 0 ,� ON) --- ® s N / Per AMC chapter 16.50: ®O s h ■ One (1) tree unit credit is required per 1 ,000 square ft. of land area. �. ■ Current square footage of existing lot = 51,331 square ft. in 4 `•.\ I Tree units required 57 - 4'it csel 365 Table 16.50.010(D)3 Tree Unit Credits ` I Existing tree 2" to 5" d.b.h. , .. ` . 0% •N I • 1 tree unit per tree retained and protected t , S •� I Existing tree 5.1" to 10" d.b.h. �� , \ • I 2 tree units per tree retained and protected \ \ ■ Existing tree 10.1" to 25" d.b.h. S.A. •\ Iia i 5 tree units per tree retained and protected \ ` I ' ■ i Existing tree 25.1°' d.b.h or larger 0 'N natural vegetation to remain •N I 8 tree units per tree retained and protected , Q. x o N I•\ I New or replacement tree vi c 1 tree unit per tree planted See Section --, a.50.050(3' Cr rn, c -6 • © v Qcs ca �� ' 3 0 � ��ilea ••• (` N. • 20% of site to be landscaped .cr v �. ` i in �ti.. , • 11 ,461 square ft. of existing/proposed landscape required i N o Ni- v • ritt-rf) • n • \ I •� a 370 ! N I ` propsed lawn area I TREE UNIT CALCULATION : oi • „ propsed lawn area '� fle -'1- .); ,... . �j 4" dia.(1) tree unit low shrubs I �j�§ a 6 dia.(1 .5) tree unit • ` _t Su dia.(2) tree units w I 12 dia.(3) tree units � =A x�, ■ 24" dia.(6) tree units �� CO `' ' �, % v.\ a low shrubs N w �> �,� • _ I ■ �. 36" dia.(q) tree units • illi sq.. z % • I -> W . � 1 - , / 1 I O zaZ ••N •• � '.\ .- _ £_` \ I N � � ,� 48" dia.(12) tree units � .. \ F .V • T V j m tt �s�0. (�` • I� - o •� EXITING TREE UNITS: 111 • s •\ I 57 TREE UNITS REQUIRED ILI I- v r N. N C ' propsed lawn area I• ;•,,,, 221 EXISTING TREE UNIT EXISTING ON PROPOSED SITE 0_fiti: • • = O . iii • `. C-- v • ; LANDSCAPE NARRATIVE: �y v \ . O i \ \. \ i\, • Proposed site encompasses 51,331 square ft. of natural vegetation, fir trees, maple trees and alder trees, 0 r • • 0 o \ approximately 11 ,461 square ft. will be planted in local grasses and shrubs which will meet or exceed the 375 i \ ■ 20% requirement. la < 0 v �� `�� ;� z A gentle slope from the southwest to the northwest will provide sufficient drainage for the new single family \ �/ o j �i \ home to be located on the site, the proposed storm water from new construction will be controlled with \ ° o ! y.2 gutters and downspouts to splash blocks that will utilize full dispersion to the site. DocumentDate: \ I Document Phase: • natural vegetation to remain • ■ \ Construction Documents \ ---2 • , II I I �" y rev. date remark � , • I •� N. I � ,� \ N ' 4 \ N 89'09'17" E 173.84'N � 1z ■ -- landscape 0x ' w ` PROPERTY LINE _ plan _/: _ • ` �380 . • ...... • I .€Y .. ` . . . • « 4 •N ' NORTH. im Al . 3 'N The use of these plans and specifications is restricted to the original site for which they were prepared. Re-use,reproduction or publication by any method ..,pet .'"c.rsh=.in whole or in part is prohibited,unless authorized by Michael Trafton. Ownership of the design,plans and specifications is solely with Michael Trafton. 'N gw ,�'. 4'11n .y tr, ¢ 1,,71114 azx 4 4.1r.:s to gA ii,7�" �s ", 'fip F I I , ' .. ?¥ 1 ; " `f'+ '' • :; z A .I LANDSCAPED AREA OVERII II RETENTION AREA. t , , k ' v r PERMEABLE SOIL MIX �" DRIPLINE FROM ROOF EAVE s M1 ' .'a ' `" s' r' ` - - > T SOIL/COMPOST/SAND P.F - - . ;TM„, g s r 'a § as � r: . ,: ARRY LOOSE NATURAL 1 �r ��� f G � �r`1 2X2 WOOD STAKES @ 48 O G. f m µ� 4 c MIXTURE. PROVIDE SWALE FILL/REVEG MATERIAL AND 1 TOWARDS CENTER TO FORGE SHOWN 3" OVER TOP OF ill A it'+ J- ~ � s ; , " DRAINA E INTO RETENTION OR LANDSCAPING WHEREkeh / $ t i.r Vim F s �1 "' DEVICE Ii TRENCH ro -.a, t 12" DIAMTER FIBER ROLL k f -aE '”'�' ”i I , ; 4 SEDIMENT RETENTION 4r u" °�M1 " ±' INE TRENCH WITH FILTER �� ALIGN TRENCH 50 THAT THE BARRIER ABRIG ON ALL SIDES. VERLAP FABRIC A MIN. OF 6" DRIPLINE 15 1/3 THE TRENCH ON TOP ri WIDTH ON THE BUILDING SIDE ill i • — 3/4" CLEAN DRAIN ROCK ' FILTER, LINE TRENCH A RIG ON ALL SIDES ii SET FIBER ROLL IN 3" DEEP VERLAP FABRIC A MIN. OF 6" Ill $ , TRENCH ALWAYS PARALLEL ? q ' -- 3"-5" LARGER STONE LINING - i +'->. ' N TOP OF TRENCH ' ' " TO GOUNTOUR LINES : ,ii. f,rt" NOT COUNTED IN TRENCH l < , ,. } ' Y tt , �- - fin= �i .. • PERPENDICULAR TO SLOPE) SIZE ,` , J i `" 3/4" GLEAN DRAIN ROCK , i ., sL . OMPAGTED SUBGRADE '-5" LARGER STONE LINING- OS' sr4�. ai.r • 1 ,at ,' , OT COUNTED IN TRENCH I " DIA. PERFORATED PVG PIPE ZE 77;., ..\-,f. y x yv D IN FROM CONVEYANCE + qf' "t } ! 7 _2 ,1/4, v_. ' �� TRENCHES f '�� l xl- c:,WIDE X 6" DEEP a °� a1" t6 V ' r ,-..); ,,<-:, + ,, REFER TO SITE PLAN .zl ONVEYANGE TRENCH W/4" 1 ? ..,..`INFILTRATION SCHEDULE FOR , IAMETER PERFORATED PIPE �4_ti pi p)tE US / ACTUAL SIZE OF RETENTION ONNECTED TO BIO y ..Vco .01 + x k ; a AREA AND SIZE ACCORDINGLY -:ETENTION AREA OR TIED TO ` '' } O ' 16 c e a' __ OGKLINED SWALE - SLOPE , t k' Q 3 $ V .�$':- .. _ _- _ -ERF PIPE MIN. 2% DOWN TO t-':,, , \: - , .� to N (a r to _ACM TERMINATION ELEMENT '.` 1., 1 '. fi t 11) `• O• 73 .,. . . . r � in 0 inn CO V 1 v �� s d c� to i 1 Fiber Roll Temporary BMP 6 Bio Retention Area 3 Conveyance Trench A1 .4 NTS A1 .4 NTS A1 .4 NTS CARRY LOOSE NATURAL FILL/REVEG MATERIAL AND -- FIBER ROLL BEYOND OR LANDSCAPING WHERE SHOWN 3" OVER TOP OF a y� 'I RAISED BOULDER(10-16") ', RENGH 4-r - 1 ENERGY DISSAPATOR EVERY �� "", t3 - . , ,. -- - _ 2„ GALV. MTL. STAKES @ 5'-0„ 50' c „ O.G. SET 24"ABOVE GRADE r , , AG PAVING I I 3-8"STONE LINED SWALE, 24" WITH MIN. 8" EMBEDMENT -- 2% - . „ -- WIDE- PITCH AT MIN. � }�� WIDEN TO 42"AT DISSAPATOR V 1 LINE TRENCH WITH FILTER • ` .-- - PERMEABLE FILTER FABRIC ,,c, ` ` t < as FABRIC ON ALL SIDES. I' WI WIRE BACKING SET b" �. F v.Q ,,. + BELOW GRADE WITH A MIN, 4" i`' ' ' � � � a it x "` ABS PIPE FROM CONVEYANCE rn? }, OVERLAP FABRIC A MIN. OF b" RETURN KEY BELOW GRADE ik. ` ,fr , „-s>q t �1 ON TOP 7 I _ TRENCH - ROCK �`I! Ea 3/4 GLEAN DRAIN R K �t _ t LINTER BOTTOM OF SWALE WITH 3"-5" LARGER STONE LINING - ` NOT COUNTED IN TRENCH 61/ .. `; 4 SIZE Li-i z .,;. La- V SET STONES FLUSH TO REFER TO SITE PLACL N REVEGETATEDAREAS INFILTRATION TRENCH p/ .- GHEDULE FOR PLAN LU > DESIGNATION AND SIZE. �-1--� O . TO BE d°, ,4 REFER TO LANDSCAPE PLAN. ;RL05E AS POSS BLEATOED A5 q b - SURFACE SWALES SHALL BE ` , Z r-' > '' LANDSCAPED WITH SMALL EVEL. WHERE COMPLETELY (�' "� Q a • = BOULDERS AND NATURAL EVEL, INSTALL 4" PERF. PIPE ` r VEGETATION TO TRANSITION O EVENLY DISTRIBUTE O ' THEIR APPEARANCE WITH-- .-dATER. IF GRADING `•`. � M.. , +-"' J '' S THE NATURAL LANSDGAPE SQUIRES INSTALLATION ON 0 SLOPED SURFACES a' EXCEEDING 5%, INSTALL ' • STEPPED TRENCH t 4 Filter Fence Temporary BMP 5 Swale 2 Driveway Infiltration Trench ' NTS } 1 ,4 NTS A1 .4 NTS A1 .4 , I Document Date: Document Phase: Construction Documents rev- date remark ia BMP Details 1 . .., AI . 4 . . . . The use of these plans and specifications is restricted to the original site for which they were prepared. Re-use,reproduction or publication by any method - . in whole or in part is prohibited,unless authorized by Michael Trafton. Ownership of the design,plans and specifications is solely with Michael Trafton. . - -