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HomeMy WebLinkAbout06-21-2021 Drainage Report Submitted Storm Water Drainage Report Minimum Requirements 1 through 5 <+11120t47 ' Minimum Requirement 1 throug h 9 ENGINEERING DEPARTMENT COg . 904 6th Street Anacortes, WA 98221 www.anacorteswa.gov Official Use Only: (Information to Inspectors) Required Storm Water Facility and other related requirements: Project Address: 2803 W 3RD PLACE Submittal Date: 06/17/2021 Parcel Number: P127424 Revision Number: Permit Number: Reviewer: Acceptance Date (COA): FRONT OF REPORT Submittal Checklist: (All items listed below are required for a complete submittal) o Cover Sheet (Preparer to Provide): Project title, Location, Revision dates, Engineer's Stamp o TAB 2: Minimum Requirement#2 — Construction Stormwater Pollution Prevention (SWPP) o APPENDIX 1 - Survey performed by a Professional Land Surveyor o APPENDIX 3 - Model Soil Management Plan for BMP T5.13 o APPENDIX 4 - Determining Construction Site Sediment Damage Potential (Appendix 7) o APPENDIX 5 - Site Plan with all applicable information (Minimum Size 11x17 — 30 scale) o APPENDIX 6 - Documented Site Photos (North, South, East and West) Stormwater Management Requirements: Refer to the 2012\14 Department of Ecology Manual, as amended in 2014 for further required information. o See also, City of Anacortes Municipal Code 19.76 for additional information o See also, current Engineering Development Standards, Chapter 2- Storm Drainage for additional information. Project Description and Summary: _ Summary Table Existing Proposed Development Type SFR Number of Lots 1 1 Lot Acreage in SF 13,499 sf 13,499 sf Soil Type(s) ML-CL, CH Site Sediment Transport Score (High\Low) ' >100 Depth to Ground Water Table (Feet and Inches) Site is mostly rock and impervious (See completed Soils Analysis (Volume 1, Chapter 3.1.1) Infiltration Rate during Rainy Season (Inch\Per Hour) Version Date: October 7, 2019 Previous Version Date: February 20, 2019 Impervious Surface (on-site) 0 (Except ground is mostly rock) 4,769 sf Impervious Surface (off-site) New and Replaced Hard Surface Total (SF) 4,769 sf Lot Coverage (Percentage) 35.32% BMP (Required Minimum Requirement 5) Direct connection for CPD Water Quality Method (Minimum Requirement 6) Water Quantity Method (Minimum Requirement 7) Existing Site Conditions Summary: (Additionally, provide information on previous permits, if any, like Grade and Fill, Clear and Grade, topography, vegetation, drainage, Critical Areas adjacent to the site and how it may affect this project if soils are disturbed, Soils Type (Included in Soils Analysis Report), Erosion Problem Areas, Construction PhasinglSequence) (0.3100 ac) LOT 5, THE HIGHLANDS ON FIDALGO ISLAND, ACCORDING TO THE PLAT THEREOF RECORDED MARCH 17, 2008, UNDER AUDITORS FILE NO. 200803170001, RECORDS OF SKAGIT COUNTY, WASHINGTON. The site is sloped from the South-East side to the North West. The site does have varying slopes of 16% South side to 44.4% on the North East side. A geotechnical analysis was done by GeoEngineers and the report has been submitted with the Building Permit Application. Construction Sequencing: (Note: sequence may not fall in this order, but close) o Installation of Erosion and Sedimentation BMP's. o Minor excavation work to ensure compliance with required BMP's under Minimum Requirement 5 and 6. o Installation of the footings and foundations. o Construction of the home. o Connection of the utilities to the home. o Installation of MR#5 required BMP's o Backfill of site with BMP T5.15 Post Construction Soils, Landscaping, driveway, driveway access. See Appendix- Model Soil Management Plan for BMP T5.13 Developed Conditions Summary: (Additionally, to be shown on the site plan. Identify cut and fill areas, proposed slopes of all hard surfaces , proposed contours) Proposed slopes on hard surfaces are showing. Cut and fill T.B.D. Drainage Basin (2007 Storm Comp Plan — City website\publicworks\engineering\comprehensive plans): What Drainage Basin are you in? _ _ Identify any downstream drainage issues (Storm Comp Plan: If so, describe: Flow Control Exempt. The downstream was fixed with the Highland Development. Complete the Applicability Requirements — Flow Chart (Figure 1-2.4.1 Attached, Figure 1-2.4.2 Attached and Figure 1-2.5.1 Attached) - Highlight the path and attach Version Date: October 7, 2019 Previous Version Date: February 20, 2019 Does the project result in 2.000 square feet, or more, of new plus replaced hard surface area- OR Does the land disturbing activity total 7.000 square feet or greater? Yes No Minimum Requirements#1 through#5 apply to the new and replaced hard Minimum Requirement*2 applies- rfaoes and the land disturbed. Next Question r ._s tre : _ add 5,000 square feet or more re.* t,.and OR Convert 3 4 a:/es or more of vegetation to lawn or landscaped areas- OR Convert 2.5 acres or more of native vegetation to pasture.'" Yes No All Minimum Requirements apply Next Question Is this a roac to the new hard surfaces and the No converted vegetation areas. related project Yes Does the project add F,OC3 square feet or more of new hard surfaces? Yes '► * No Is the total of new plus replaced hard surface- Do the new hard * 5,000 square feet or n- jr'aces add 50% o- No No AND more to the existingNo additional 4 does the value of the proposed improve- requirements_ `-ard surfaces within - including interior improvements-excee_. the project limits? 50%of the assessed value (or replacemen- value) of the existing site improveme^•=" Yes All Minimum Requirements apply to the new and replaced hard surfaces and converted vegetation areas. Yes Figure 1-2.4.2 Flow Chart for Determining Requirements for Redevelopment DEPARTVENT Cr: Revised,.une201E ECOLOGY olease see .http: ecy.M'a gov,�Cooyrgr.t liar;for copyngnt notice Including permissions,` : :ate o' wasnl'lgton riltator c'Ilaolltty,and disclarrer. Version Date: October 7, 2019 Previous Version Date: February 20, 2019 TAB 2 (MINIMUM REQUIREMENT #2) • 1-2.5.2 Minimum Requirement#2 — Construction Stormwater Pollution Prevention Plan (SWPP) - All projects are required to complete Minimum Requirement 2. - Refer to the 13 Elements of the SWPP (See document below, complete and attach) - See attached Table 4.1.1, Table 4.2.1 and Table - Provide Engineering Calculations as an attachment for Sediment Ponds\Traps, Diversions, Waterways and Runoff/Stormwater Detention Calculations. Version Date: October 7, 2019 Previous Version Date: February 20, 2019 Table 4.1.1 Source Control BMP's by SWPPP Element Element#1 Element#2 Element#5 Element#6 Element#9 Element#11 Element#12 Element#13 BMP or Element Name Preserve Establish Stabilize Protect Control Maintain Manage the Protect Low Vegetation/Mark Construction Soils Slopes Pollutants BM Ps Project Impact Clearing Limits Access Development BMP C101: Preserving Natural Vegetation ✓ BMP C102:Buffer Zones ✓ ✓ BMP C103:High Visibility Plastic or Metal ✓ ✓ Fence • • • • BMP C105: Stabilized Construction V Entrance/Exit BMP C106: Wheel Wash V BMP C107: Construction Road/Parking V Area Stabilization BMP C120:Temporary and Permanent ✓ ✓ Seeding BMP C121: Mulching V V • BMP C122: Nets and Blankets V V BMP C123: Plastic Covering V BMP C124: Sodding ✓ BMP C125: Topsoiling/Composting V BMP C126: Polyacrylarride for Soil Erosion ✓ Protection BMP C130: Surface Roughening V ✓ BMP C131: Gradient Terraces V V BMP C140: Dust Control V BMP C150: Materials On Hand V V BMP C151: Concrete Handling V BMP C152: Saweutting and Surfacing ✓ Pollution Prevention BMP C153: Material Delivery,Storage and ✓ Containment BMP C154: Concrete Washout Area V BMP C160: Certified Erosion and V V Sediment Control Lead BMP C162:Scheduling V Version Date: October 7, 2019 Previous Version Date: February 20, 2019 Table 4.2.1 Runoff Conveyance and Treatment BMP's by SWPPP Element Bement14 EElementent 98 Element 913 Bement el lintel Element A6 Element la 54abitize Element ifs Element 910 Protect Low BMP or Element Nerve Control 8edinwtt Protect Pbtect Channels Impact Control De- Impact Flow Rains Controls and Drain Inlets and Outlets Pollutants Watering ?ovebpmcnt 611tP C200: tnterc epbr Ms end Swale ✓ ✓ OIAP C201: Grans-lined Channels ✓ BJIIP C202:Channel Lining ✓ BMP C203: Water Bars ✓ ✓ BOP C204: Pipe Slope Drams ✓ IMP C205: Subsurface Drains ✓ BMP C206: Level Spreader ✓ BMP C201: Check Darns ✓ ✓ BMP C201: Triangular Silt Dike(Goet izI5e ✓ ✓ Encased Check Darya BMP C209: Outlet Protection ✓ BMP C220: Storm Draln Inlet Protection ✓ I3MP C231: Brush Barrier ✓ ✓ BMP C232. Gravel Filler Berm ✓ BMP C233: Sit Fence ✓ ✓ BMP C234: Vegetated Strip ✓ ✓ BMP C235: Wattles ✓ BMP C236:Vegitotive Filtration ✓ BMP C24O Sediment Trap ✓ ✓ BMP C241: Temporary Sedhrnent Pond ✓ ✓ BMP C250: Ccxrsiruclion Stom,.M ter CherrIcel T re Arm nt ✓ BMP C251:Construction Stoll u 1er ✓ FIllralion BMP C252:High pH Neutralization Using ✓ CO2 BMP C253:pH Control for High pH Water ✓ Version Date: October 7, 2019 Previous Version Date: February 20, 2019 13 Elements of SWPPP (Construction Stormwater Pollution Prevention Plan) 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 Above from 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:_ Chris & Marcia Hendricks Site Address:_ 2803 W 3RD PLACE Prepared By:_Jason Sterling The Stormwater checklist or building permit determined that: The 13 elements must be addressed ❑ These elements must be addressed for construction activity adding under for construction activity adding 2,000 2,000 sq. ft. of hard surface area. sq. ft. or more of hard surface area. This means that an attached narrative and site plan are required with this document. Under each element, provide the BMP's that will be applicable to your project. Use the attached Tables provided. 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. A high visability construction fence will be installed at the North, West, East and South lot boundary. This will be installed prior to beginning construction. BMP to be monitored daily and repaired as needed. ELEMENT 2: Establish Construction Access Limit construction vehicle access and exit to one route, if possible. Stabilize access points with a pad of quarry spalls, crushed rock, or other equivalent BMPs, to minimize tracking onto roads. ❑ 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. ❑ Conduct street washing only after sediment is removed in accordance with the above bullet. ❑ Control street wash wastewater by pumping back on site or otherwise preventing it from discharging into systems tributary to waters of the State. Per BMP C105 a Stabilized Construction Entrance will be installed. Vehicle traffic to the construction site will be limited to one route. Any dirt or mud that is tracked onto the roadway will be clean immediately. Will use the lower driveway as entrance. To be installed prior to construction. BMP to be monitored daily and repaired as needed. Version Date: October 7, 2019 Previous Version Date: February 20, 2019 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. ❑ 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. Not applicable to this project as the site is mostly rock in which case adding impervious area shouldn't effect the flow rates. It is anticipated that the upstream properties may dischaqe downstream, which means it may be necessary to bypass this water to protect this site from unnecessary flows. There are no storm-water swales or retention facilities to control. Please verify. ELEMENT 4: Install Sediment Controls ❑ Design, install, and maintain effective erosion controls and sediment controls to minimize the discharge of pollutants. 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. ❑ 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 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. 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. Per BMP C233 a silt fence will be installed on the lower section of the lot boundaries per the site plan. BMP C220 (1-40.20-00) and BMP C123 are also being implemented as well as BMPs C105/107. To be installed prior to the start of construction. BMP to be monitored daily and repaired as needed. 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 Version Date: October 7, 2019 Previous Version Date: February 20, 2019 Stabilize soils at the end of the shift before a holiday or weekend if needed based on the weather forecast. ❑ Stabilize soil stockpiles from erosion, protect with sediment trapping measures, and where possible, be located away from storm drain inlets, waterways, and drainage channels. ❑ Minimize the amount of soil exposed during construction activity. ❑ Minimize the disturbance of steep slopes. ❑ Minimize soil compaction and, unless infeasible, preserve topsoil. 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. Install plastic covering per BMP C123 on Soils Stockpiles. BMP to be monitored daily and repaired as needed. ELEMENT 6: Protect Slopes ❑ 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). ❑ 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. 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. ❑ Place check dams at regular intervals within constructed channels that are cut down a slope. ❑ Consider soil types and its potential for erosion. ❑ 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. 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 (for example, track walking). To be installed as soon as grading for home site is established and slopes are present at the site. BMP to be monitored daily and repaired as needed. ELEMENT 7: Protect Drain Inlets ❑ 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. ❑ 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). Version Date: October 7, 2019 Previous Version Date: February 20, 2019 ❑ 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. ❑ Inlets should be inspected weekly at a minimum and daily during storm events. Per detail 1-40.20-00 Storm Drain Inlet protection devices will be installed at existing catch basins in the immediate vicinity of the project. To be installed prior to the start of any construction. BMP to be monitored daily and repaired as needed. ELEMENT 8: Stabilize Channels and Outlets ❑ 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. No stormwater runoff will be conveyed off site via channels, swales, or streams. To be verified. ELEMENT 9: Control Pollutants ❑ Design, install, implement, and maintain effective pollution prevention measures to minimize the discharge of pollutants. ❑ 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. ❑ 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. ❑ 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. ❑ 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. Version Date: October 7, 2019 Previous Version Date: February 20, 2019 ❑ 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. ❑ 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. Per BMP C154 a Concrete Washout Area is to be installed onsite to capture contaminated water from concrete washouts. To be installed prior to foundation / concrete installation. Shown on site plan near driveway. BMP to be monitored daily and repaired as needed. 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. ❑ Handle highly turbid or contaminated dewatering water separately from stormwater. ❑ 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. ❑ 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 of water quality standards for turbidity. The easiest way to avoid discharging muddy water is through infiltration and preserving vegetation. No dewatering will occur during the construction of this site. 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. 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. Version Date: October 7, 2019 Previous Version Date: February 20, 2019 Remove or stabilize trapped sediment on site. Permanently stabilize disturbed soil resulting from removal of BMPs or vegetation. BMP to be monitored daily and repaired as needed. 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. 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. n 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. ❑ 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: 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. BMP to be monitored daily and repaired as needed. Weekly erosion and sedimentation reports to the building department to be submitted. ELEMENT 13: Protect Low Impact Development BMPS ❑ If implementing any bioretention facilities or rain gardens, refer to the applicable BMP sections of the Manual for requirements. There are no LID BMP's proposed on this protect. 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C- PRIVATE . 1 8448 7 A, �� • r N89 9 57 E 111.01 I" NO.1 )'30"W F`" �.1 & c, 2811 �� 2716 / Tex 5 27 C ■�I 31 ' ACCESS 0 0• £,;L�;=1`tl== :'`' y c�► UTILITY ESMT°�i c;di g`.' f p , / S0' TO ESMT - ro z T.1 0 1 t' {u'"" TO LOT 11 '� ]-/ �/ _ { �., 9a s = _ �,� / LOT 15 30 00 ti IZe / ! 260 SF # ! ` v c, \ IP '='' . 1 "LOT 1 / 27 s //7157P/ / `w a_ RIVATE- . � 11 1 SF / SM, ,�--- '�_ PRIVATE- 3 ��. ,�� ACCE55 7 uTIUTY �_ _ I C.J ro -r{, x. 1 w3 ¢ LANDSCAPING 1 $15 / / / LOT 1 6 .�o/ ' / / �`1, f ESMT FOR LOT , �► a a W PRIVATE & ;: . • / / / 47. �, EASEMENT I < V) CD 1 (Ar• UTILITY ESMT TO LOT ,a,)-- " '-: ,' Ca / / a,2 so SF / LOT 4 6 1 ,!,,: N'.01 =m ;.,,.. - p ,. /f �//J/�7y 27D' -At „ 11,310 5F = REBAR �t CAP ..� \ ca . �; / '� • / �'..yi 1 k � �l• 2707 a.5 50UTH • 41L:., Lg.{ ; = , . , /�QC�ii Nr5-o- `' 4F TR E C4R ER = ii ) pto 15,42a SF :" , f; ,s LET 17 �r�! c4 ,j� S 89'3� 3 W }.00� ���.01,11„, ���ryrInfoilini��rt,��}�l,a,��irriarrr] ip„,,,j , s19- r 3 :: � LOT 45 1 1 Z e% 4 <92, 2802 / �'\ / 12,573 SF = :. �. .,,• N. f.n =$ �� # ��� -cb• ' �� LOT 47 .k= C.,), W Nel• •` .� 2715 i - ..e.,.,..4 12 4$2 SF .."L TA m 1 f;:. " w: / ° /'\- LOT 44 0� I = ' -� 1 5- �■.� �;�\ / `'� `' m z; "' ,325:: SF '�\�/G 12,334 SF S89'39'30"W [2703 I V 7-k • w` i •4 , 1 /'1 , / o lr� 7.43 41 = • CA i..0 \ cz-A �`�� 0504Mzu,:.� � �" W / �.� ��`� _2719 � "� 125.59 r f � - INfr) � �z � �°�, Uy►�« ` Jf ` `' /l a /� tiI� q• F 589=39'3D"W 33.Q2 I6 � _ • J --�j ' .; .' J 'F / / {�\ 39 221 0 j �=w■■�hKa,1�• -A ZLOT 1 � , J � , 9.�5 �� �, / / 6 4 1 d' PRIV►4TE SEWER ESIaiT { , ,, _,,, r . •� 13,185 SF hotta ec\ DUST. a To LOT 41 � rfiMirf aiff[flffffl(Cdii' l[lflfrlri.!�llftattkY� !'2+ LSQ6 "^ :z=': ` , to[y DECK a, IX F' `-.4 KK= 89�39 3a W 33 as 20' , f 16 f LOT 40 N89" •'30"E 24.90' _,;. w .1 .70' S1.3fi �' 25 886 SF I 0 a. 0 Z. Z 1050069 ' a s 4.; _ 10' PRIVATE HOUSE V 2815 �I °° 63 10' PUBLIC U+TIL_FY_ESMT ;%M£ ` /14///, `~ cri ACCESS AND r r • �w o WI w M _ -N 9 �26 133.81 - r -- 8 4(} N:<. UTILITY ESMT. Y -r 0 0 - -- -- -- , ,,,,,_e _ wr' TO LOTS 42 & M M o ix -I ( «r�• LOT4,3 ,Iw �V'URE PI1 f C.RT ,0M1.4 CW, .441d,V2 10 PUf3L1C UTILITY ESMT ' _ , ew. r:, 44. v°D�, I , i , SUBDIVISION �` o 0 i= [� 13,31=4-' F n1 LOT 42AR b o b CN I- w >- ® ;';,,, i `°` _« 209 = �- 17,045 SF LL, COMMON ACCESS "' w ,w LOT 41z .► . - t� z 281 z & UTILITY ° z ,,,,,, R LOT 1 `� _";' ::`::'- 1 2a,825 SF EASEMENT F ::y, v� OR to �- i""4 t" 14,086 SF ti ' R 4 u , ''':'-:,, g... / 813 LOTS 39 AND 40. CI © m �" ��" VI I~ - j �� 589'39'3CW CO o ,u czn W z 1;zoni +i, , .16 f,;, A., kl'i114.S a Q EL N 01661 7 4 N89'40'26 E 107.11' , `• " �\9 ,N� o �--- x to w �- 10 PUBLIC . T1"CITY«;=ESMT N. A zc\j = z Q ct u � , _ .� � 5. ' ="z: = - ` _ ,�q i LOT 39 ° 1- w W om Z • ! (34 ao 1 `ela , _ ==;`m .,a'- x ` ~ �, 15,73i SF o w Q r., N. Cv � I�ON ; , '125.02'" LION .'��` Ni. - z w , 0 r7414 xi � 10 SEWER EASEMENT - I"r. H � F ,ir��, N89'39 �2"E g �'`� "? �= �, I � a � z cr} cn z oTO LOT 28. �1 .:„, 4 cci w w cwn a0 occia w 4 03 ,� I I t- _ ''. _ 48.79� 2G 86' R. w J r- c ", M Qc70iX z zwmNct ., LOT 1 ;r,� Lu m z z 0 0 Cf) SF I �"' °° -� �-20 COMMON m =`r° `':= = _ 589 39 3�"YV 4 z z wLO ___22,113._ _ _ __ _T r , ACCESS EASEMEI 4 ]«` ''''''•''' ` '�� 152.62' w w o w Q P D r \ A r �' a_ pUci) W 2 Z810� FOR LOTS 22 ALB `a x;:x'..• +9 .WS\ / T re) k.: 1s: gin) 7""1 22 re] 23, 10' EACH '':;; .., . _'` , tR:' r,, 7 ¢' NLTURE PROPERTY mi- - &1r� 1 ¢ z z z w w d w Z • �"'� SUBDIVISION I 15,341 SF281 2- ro SIDE OF PROP. .`"` =R` :.•. LET 38 w�, m Q I o, 24""- ,, 12,756 SF LOT 3 mmF 2819 N OF- ■13,485 SF I �y Y n7,5 5°', 4.i',, - 1 1 0 F - ! �S :4 fm" r• CD p-4 i_ ':F , $1 S :,; l cm CO ;-- CI 16 c6 r• cn rn = rnI4 N89'40,,,,, '25#E _ I SS f 00.89' I :F" ; ,,; r 1 '� E 00 ,,,:,, ir,4s,... -03 tilLis 7.-S9'39'33"YV 109,794 ! Cob E'I \\ tb• ..k) STORM S $°,; :- u rang I 'E&4R k CAP / 4 ZLOT 803 [0127 EE ��' s� f ' L : -- 41 2 0' WEST ' E Tt; (r [: , OF TRUE CCRNER ...i ) o 00 12,511 SF I LOT .„,:,,:.„,„,„/„.,,,,,,,.:,,,, I -cm 13,815 SF r' , LOT J� 2916 2912 �,i(N± LOT 5 ;« .<xi - 13,929 SF �.- 7 12,149 SF Q2908 Q '� 13,637 SF ' 44..(5 / _ 38.3T - z 2904 $`:".`7_ {f // g,,, ,.. . f '` e , `nif.,,,.',4' Pri4 3 s°= .F89 9"` 0"W 133.3s ' 1 4 N 89'40''2G" E ki4N �1 '' - I 14 - .; ;- • 112. 9� 4 ..4n�- 1 U' p I .n'z ,. i ICN - - _ U L� UTILITY r-5 �° r /1 4{3.4� `` 1 _ M1 - E4 / 3fi-9 - - s Tf 1 , 80.64' # a W xr---7 - f1 719 ;" �► a,''':'''' '''''LOT Vag` "' 1� ON 42'52"E414iiii 13 2744 S F liCD C4*4 0 ----. (t/ ---7-7 Fri ..1�, /� .� 7 7 ��- 4, `J.�]. ,iLOT 1I'} ^� ■ ' T` ��y V�r <3. �„„s<3"« m".3,Et.r" ;'£?l.;(y�'�i3.<<3.e'^1� ,NF;„^ �� �1 lei ..- t,‘, f4 ILJI ��1�+ 24. °+ter-'/,} „ µ t3� «.,R x ;f I-T-I 0 11 ,548 SF r f 1 t y ;.is t--�--I COMMONCNI ACCESS S 4.-_ '3 " F= ., :,, ==n ,,, 0 2917 .tP:`�' - `" EASEMENT FOR f ~-- .'� CA j413- d LOTS 29, 30 AND I •`�.MP\ 4 CO iI0N;;kCESS .: NS9'40 2fi w ! i & iTILi' ` - IN �E w EAEMENT FOR ii C N .x.;t `V C f,„ ¢ C w LO'`S 34 AND 36. =„ '= - LOT W LOT 31LOT 32 LOT 33 LOT 34 =yk : $: .;': i g a 30 to LET 315 R:3:>> « ';£: :=n 3;. csii:ri 14 95G SF 14,051 SF �- 15,b1fi SF i5,fi43 SFca , 14,822 SF ca '" r'`' � in 15,84 :..SF m v 2915 a 1 , - _2907 1 T,. 913 2911 0 2909 r- of °D 2905 . ,,,,Po= 6 w', 'p. ^. CI m L _ - - -� I n - _ ,,,,7/ ) 30 �� Z 2 } :i t t t.�mI .s « «s ".. m7lnsxrH `� 30 MOPE BUFFER `yx i 016 � Q 1 r ' 2t - . / : ' 97.53 97.52 97.54 97.53 97.58 _ � °� _` « \i' • 1 � ! . .--- t..i._.....s�. n' ,gi^" ,,s.;.s,,« S 89"39 3a W fi 10.1 fi V :"" ; ' FORESTNDS µ = r:; ,„.„,. :t -= :, f ._„ ,:„ ...... 1.CILI ,..„,„ ,,:...,, „.„. ,.,-..... ,, „_ ",,,,„ „„ ,,,,,„.:, t: ,„„, .• K .,,,, , „, ,, ., .,,, i.,,:,,,,,, s"" .:., .:, ,.. ,„ , ),, .,„.,,, as ,..:: ...„,„ :‘,. , ,,,,- { ..,,,, .•,„, y+a ,F , ,, -4,,„.,,,,,,,-. -- - --- .___,.. _..._. _ _ APPENDIX 3 — Model Soil Management Plan for BMP T5.13 An alternate document acceptable to the City of Anacortes is a Test Report provided by the Soils Supplier that identifies the soils to be used meet the specifications outlined under Minimum Requirement 5. The specifications are in both WSDOT and CSI Formats. For specifications, refer to the above referenced PDF. This submittal can be a deferred submittal since most projects are not sure who the supplier will be at the time of building permit application. For projects that trigger Minimum Requirements 1 through 5, the Test Report will be provided to the Building Department. Projects triggering Minimum Requirements 1 through 9, the Test Report will be provided to the Engineering Department. - BMP T5.13 to be a deffered submittal, to be completed at final grading Version Date: October 7, 2019 Previous Version Date: February 20, 2019 DEFERRED SUBMITTAL: PROVIDE A TEST REPORT FROM SOILS SUPPLIER TO THE BUILDING DEPT. PROJECT INFORMATION "Model Soil Management Plan for BMP T5.13" age# 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) LSite 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 —*—*—*—*—* 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 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) ❑ 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: Version Date: October 7, 2019 Previous Version Date: February 20, 2019 APPENDIX 4— Determining Construction Site Sediment Damage Potential (Appendix 7 — NPDES Phase II Permit) Note: See attached. All projects within the City of Anacortes are required to complete that document under Appendix 4. - Done Version Date: October 7, 2019 Previous Version Date: February 20, 2019 Western Washington Phase II Stormwater Permit i. APPENDIX 7 - Determining Construction Site Sediment Damage Potential The following rating system allows objective evaluation of a particular development site's potential to discharge sediment. Permittees may use the rating system below or develop alternative process designed to identify site-specific features which indicate that the site must be inspected prior to clearing and construction. Any alternative evaluation process must be documented and provide for equivalent environmental review. Step one is to determine if there is a sediment/erosion sensitive feature downstream of the development site. If there is such a site downstream complete step two, assessment of hydraulic nearness. If there is a sediment/erosion sensitive feature and it is hydraulically near the site then go to step three to determine the construction site sediment transport potential. ii. STEP 1 — Sediment/Erosion Sensitive Feature Identification Sediment/erosion sensitive features are areas subject to significant degradation due to the effect of sediment deposition or erosion. Special protection must be provided to protect them. Sediment/erosion sensitive features include but are not limited to: i. Salmonid bearing fresh water streams and their tributaries or freshwater streams that would be Salmonid bearing if not for anthropogenic barriers; ii. Lakes; iii. Category I, II, and III wetlands; iv. Marine near-shore habitat; v. Sites containing contaminated soils where erosion could cause dispersal of contaminants; and vi. Steep slopes (25% or greater) associated with one of the above features. Identify any sediment/erosion sensitive features, and proceed to step two. If there are none the assessment is complete. iii. STEP 2 — Hydraulic Nearness Assessment Sites are hydraulically near a feature if the pollutant load and peak quantity of runoff from the site will not be naturally attenuated before entering the feature. The conditions that render a site hydraulically near to a feature include, but are not limited to, the following: i. The feature or a buffer to protect the feature is within 200 feet downstream of the site. ii. Runoff from the site is tight-lined to the feature or flows to the feature through a channel or ditch. August 1, 2013, Modified January 16, 2015 Appendix 7- Determining Sediment Damage Potential Page 1 of 3 Version Date: October 7, 2019 Previous Version Date: February 20, 2019 A site is not hydraulically near a feature if one of the following takes place to provide attenuation before runoff from the site enters the feature: iv. Sheet flow through a vegetated area with dense ground cover v. Flow through a wetland not included as a sensitive feature vi. Flow through a significant shallow or adverse slope, not in a conveyance channel, between the site and the sensitive feature. Identify any of the sediment/erosion sensitive features from step one that are hydraulically near the site, and proceed to step three. If none of the sediment/erosion sensitive features are hydraulically near the site, the assessment is complete. vii. STEP 3 — Construction Site Sediment Transport Potential Using the worksheet below, determine the total points for each development site. Assign points based on the most critical condition that affects 10% or more of the site. If soil testing has been performed on site, the results should be used to determine the predominant soil type on the site. Otherwise, soil information should be obtained from the county soil survey to determine Hydrologic Soil Group (Table of Engineering Index Properties for step 1.D) and Erosion Potential (Table of Water Features for step 1.E) When using the county soil survey, the dominant soil type may be in question, particularly when the site falls on a boundary between two soil types or when one of two soil types may be present on a site. In this case, the soil type resulting in the most points on the rating system will be assumed unless site soil tests indicate that another soil type dominates the site. Use the point score from Step 3 to determine whether the development site has a high potential for sediment transport off of the site. Total Score Transport Rating <100 Low 1 100 High A high transport rating indicates a higher risk that the site will generate sediment contaminated runoff. Construction Site Sediment Transport Potential Worksheet A. Existing slope of site (average, weighted by aerial extent): Points 2% or less 0 >2-5% 5 >5-10% 15 >10-15% 30 >15% 50 B. Site Area to be cleared and/or graded: <5,000 sq. ft 0 5,000 sq. ft. — 1 acre 30 >1 acres 50 C. Quantity of cut and/or fill on site: <500 cubic yards 0 500 — 5,000 cubic yards 5 >5,000 — 10,000 cubic yards 10 >10,000 —20,000 cubic yards 25 >20,000 cubic yards 40 D. Runoff potential of predominant soils (Natural Resources Conservation Service): Hydrologic soil group A 0 Hydrologic soil group B 10 Hydrologic soil group C 20 Hydrologic soil group D 40 E. Erosion Potential of predominant soils (Unified Classification System): GW, GP, SW, SP soils 0 Dual classifications (GW-GM, GP-GM, GW-GC, GP-GC, SW-SM, SW-SC, SP-SM, SP-SC) 10 GM, GC, SM, SC soils 20 ML, CL, MH, CH soils 40 F. Surface or Groundwater entering site identified and intercepted 1: Yes 0 No 25 G. Depth of cut or height of fill >10 feet: Yes 25 No 0 H. Clearing and grading will occur in the wet season (October 1 — May 1): Yes 50 No 0 TOTAL POINTS >100 1 If no surface or groundwater enters site, give 0 points. APPENDIX 5—Site Plan with all applicable information (Minimum Size 11x17 at a legible scale) -Attatched _- DESIGNED BY / VICINITY MAP- NO SCALE \_ ___ _ ___ _ - J. STERLING , / / , / ' N LAND APE LE END i i / /_ dO ---- � ..a lal- �'�� is�,'�� DRAFTED BY: N / i / S89°39'39"W- / / -- -- -- — — la LAWN AREA OR J. BASS �' -/ i' '� /' / --_ --- -- EXISTING VEGETATION 1 c -----___ j >:, /' �� �; —"���N ,'�' 1/8" = 1' U.N.O. /, 6 SD SIDE, 4 — o/ / 1 CONCRETE DRIVE HH - SS & SD EAS E M E N l — (VERIFY) , =/ 7 / K DATE o // /- — ��� �' / / �/ / r��' / / - - _ _ o��is�.� - - B /— ���ie�.� - - - �' o��is�.� �=� — o�a.si�.� / 6-1 1-21 73 / / I �// \ O 11 �/ / �_--" —_ \ _ / 0 = MULCH - PLANTING BED ,____y / 7 ----- I 611 SE / -n �� r 61'-0 / 10'-0" \ ' / / �� E 5'-0 r / - -- S I - _, / ' -r— \ 1 / �'I /' / 20' REAR SETBACK /'�' ! 1CD i r" // / /'/ / / ''/; 1 1 ;�' �� _ __— — //� 1 EXISTING BEDROCK _ SIDE 1 / // � - I _ / / _-- / �, m ;' — 150� I r � r Ark / �'\ / .., ,., / // I lil/ ��/ �/ �� �� /i / / — i / / / / / / lEr- 01) y/ // /// / At f /+ / / 1 N I , _ __-- �� i--zv--/z/z _ ti ;*14 0 W DECIDUOUS TRE CD E Sii \ \ \ �-• _� �_ { •N . V V i I I / // 7 I I rIV / /----------- 7-/7/ / ./ ./ \ \ _—.7"/ / ,.. 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' �/ is \---\-\- \ �� / / 2 / -- / / 1 0 / * ii i / / i \ / (n - rt CO 0 / l i / ��� / i �,��v / - - �/' , ' / �'v v \ �_� I o / REQUIRED LANDSCAPING V \ I CALCULATIONS / e. 77 7 / / �/ / / / \ I I �\ Q� � / / / A \ \ a f E / / / / 1 ....--'-/ / �� I/ I / -- / I / SITE AREA 13,499 7 ' ' / I / \ rQ.Fr �� - \/ // \ \ —ram -� / / / / / / / / / \ / / Q \ _ / / �� \ // �' �/ / / / ✓ �� f I� V �� \� ' / / \ \ \ 60 // / / / / 7 / / — 5;; , O \ / r\—� \_�------ - -- �/ / /%OFSITEAREATOBELANDSCAPED 20%-R2AZONE / i / /' / I I �\ �i; ` I / / / / / / /� \ � // \`\ /i —// %/ > \\ /� _ /// / (PER AMC TABLES 19.42.020 .030) 2,700 SQ. FT. REQUIRED N / / '' /' / / / CU / ��' 1. SFR/ / / > / / / 3,000+SQ. FT. PROVIDED / I / �l / / z / \ i—— / / / LL / 7i / / \ +\\ c / / / / _ F2 —"% / / / COMPLIANCE WITH AMC CH. 16.50 TREE UNIT CREDITS REQUIRED: / I i/� /� !/ / —/— I / / / 7 / / / / ' / / ' / / ! , \ VG. ORG. GRADE = 161.19 �� ��/ �� \ / / / TREE PRESERVATION 14 TREE UNITS REQUIRED / / 7 ' / / / / / V U ��., � �A / �' A / 7' / 7 / / J I / / (-1 7 / J/I Q�' e! <'�� / , \�_ % \ _� �� / ` 1- _--� i / / / (SITE AREA/1,000SF) O /'� / / CDI \off i � A �� t U _ / _ = 1 i' F \ V �� _ V � \ v I I TREE UNIT CREDITS RETAINED: �� / % / // / // / I /�1 �� \ �� �v� . A \ v /� / CREDITS REDTAINED(VERIFY)IT 0 / 7 7 7 % / / I I +� w v v 165 , / / / 1 p 1595 \ / \ \ \ / TREE UNIT CREDITS PROVIDED: N p / _ �/ / / / (I O e�ev v �� ,� v / , C\ v I I / 7 NEW DECIDUOUS TREES N ACCESS ESMT. / ALL OF/ LOT 5is , Ill, , . �\ / / \�_ a 1 (MIN. @ / / , / ♦ \ / / \ 3 2"CALIPER 6"ABOVE GROUND) COIn i �, j / / / // TREES / —��/�/ �r� *\, 0 V /�\ �� ,/ \ \ B / 4 NEW EVERGREEN C / PANHANDLE IS A � ` \ I C2� / (8' MIN IN HEIGHT)N QFOR LOTS 5 & X' � / / / \ /' / / / (n / / ' / / // ' / / / / /' // /' N //)'r '/ /,\ V \ �� ,/ // 1// di /� / O Cn L/' / / / / / / \ i' / / ���� * / i LL LLJ N/ // /' / ,'' _ //' �' / PRIVATE A E �'',% ;' /'�T \\ �� i itook"—s \ a ° ®'� I` "" 1 // /' LOT INFORMATION z o UJ W12 • ' ' ' CC SSa ,...... . ______ ' / ' 7 /' \ \ ♦ �� V - / / Q Q i ——- - - �� a / / / / / I \ \ \ \ \/ A I �` • O� "0 ,' /' ' ;ESMT TO LOT 4 & I \ \ \ , // ° a a a a \ 'I � ��C2> 1-, / , PARCEL# P127424 o z N 7 / 7 / / / / CD CI:1 - -- - ' 7 7 / / / / / -- I v v y' ' / . a a '� �< \ ,,e / / LOT SIZE . 13,499 SQ.FT. Q o to / / ,\ ` a Q�/�� / m N Q d Cr) /' /' ' / /' / / I \ ,� ENTRY PORCH I ° A a a ♦�' I 7 29 / S F / / / / 12 �'' ♦ \ 295 SQ.FT. a 9, I 0/ i / I \ / / ® , ,� \ I / CLEARING LIMIT AREA: 9,4 + - <°°' 1467\ \ ,--- V Z \ . — i' ' / / / / i A / W 7 7 �/ /' 7 7 /' /' / / / '/ /' /! ,/ / vv vv '� a d� /'--- ----- -S�� `4' \ v�\v /' MAX BUILDING COVERAGE: 5,400 SQ.FT.7 / � ' U \ _ N /% /'' / /'' 7 ,'/ /\,//'/ /'y j // i // v Ae,� /, \ , v 1 / /� ACTUAL BUILDING COVERAGE (23.93/o) 3,230 SQ.FT. �/� /' /' / _ / / / \ h , o \�, A / �� V J _ / ' / ' / C A ) e \_ \ �� /� / IMPERVIOUS ROOF AREA W/ OVERHANGS : 3,471 SQ.FT. _ /' - / �' / ,/ ///'// / / 7' / / / / V� / �/ / v / � 17 W �-- -- —___ i \ / / / / / ` R �: �� // / / / / — i - / i / / 7 / / / / / I t .� / 7 PAVERS DESIGN ®' '� GARAGE /,� /> I / i / / / / / ' / / 7 A / 1 °,EFBOA\ � / VVV �� /' /� / IMPERVIOUS DRIVEWAY& SIDEWALK AREAS 1,298 SQ.FT. 0 � �� — -- �' �' �' / / / / a ,• / / ' � i / / - / ,/ / / I / / ,I F FF = 168.5' / \� LL. 0 /' / / / A ------- — // /' 7 7 ' / %/ // I / I /' AZL / /'SOIL •TOCKPILE ' / TOTAL IMPERVIOUS AREA: 4,769 SQ.FT. z/ / I CS -__ _ I/ / / OVERALLBUILDINGHIGHT: I—/ ' ; - / I / �/ I \ 1 / co/I/ = 1 �� I MINIMUM REQUIREMENT #2 BMP'S w ___ �� __--- _- _ d\ 416 �/ / / �/ /'' / ' / / COil _ Qa \a Y' __-\------..\ \ \ /� ' l i / i "�— / ' / A a V - \ \ X// / // — CN 7 �� \----- >,/ v / 1 / / , Ivn 1 1 / LU CV --- / /' I a A �v _ —'v �� �� ,;�/ .� A BMP T5.13: POST-CONSTRUCTION U W (� 00 / __�' CATCH SDI a ;63�s v �7 wv , / // �I I / / / / -- C2 SOIL QUALITY AND DEPTH�� � / , / HTLINEI ■�� a 31 � vA ,� r��'ii� l i i / / H / K / TIG / a a v �' a i// /�' / / 7� / / / / - \ ,/ / /30 i DRIVEWAY CATCH BASIN I 1 as iP \ _ �� , �/ / / / / / / __ U r , a. /r 1 , , / , , TO TIE INTO SD TIGHTLINE 1 Av w N ' ^ % �® \ �\ ' I /\' 'r \/' /' / / /// / / // KB BMP C233: SILT FENCE EiE �/ // /° �v __ - . /�/ / / �� //// ' '180•/ C2 — / v \— \ ' ' ELEV / / /� // / I III I S89°40'S9"WA / ♦ ' 1 // / �� w s5.� 11 ��s��r�. _ _ a AMI' ��N ' o +I �R �� a /v a v / �r // / C / /w w w * w w a _ a �'� m �/o s CO. NEW / �.% % k /// / // _ �,[,,i/ / C BMP C105: STABILIZED CONSTRUCTION Ct CO T ■ ■ ■ ■ a N O 13 9 ON / / a /a \ �� '' ' / \ I / �/ e V / I / I I I a a - oPos�, / r \ 1/ �/ ///// / // Q C2 ENTRANCE / EXIT / / / / I I I 16% a a ° ■•■•■•■•: a 00 / / a --a -\ �'/ 1/ , _ , . / / / / / / 1 85 A J z A 2 pR a / '/ // / / / CO I I 1 I SLOPE /� A a / / / �/ / / / / y ■���■�■�� ��° / a a / / / D STORM DRAIN INLET PROTECTION o 1 I 0�0� ®■.� A ti .� Alk C2 1-40.20-00 a a 1 a 149 � � / / / // 1 a / A !I Ia I •'" 6� j A / °j; / / / I a I A All A d A a ( a ° I a a° ._ a a I a ICO‘\1 - ��■�■ ■�■®� - DRIVEWAY �y��� /� / / /,/ O� � �by�////// / // / -- a A a a A __ ■ ■ � 1,293SQ. FT. <�Z a // BMP C235• WATTLES a l p a allo // / /////// E A I I Va a a I 6$ A la a I a al I I o°I a as I a h / 2� / a L� a A / / / / / // i' C2 a A a �I a a ��• QS,w a A a I a a I Ia a� I ° / a / / a / / / / a a Q p a° a 9 g°� a �Ia a/ I a a a / / _ 0 I �� / �a a / / / / / — zLLz� A y a s6AII °__��---a PROPOSED D L I aI 1_ / / /' // / BMP C123: PLASTIC COVERING AI� II --� —��— -- P OCA IQ� a / �i // LL �w —h — ° ° a la �, I I - I �I ° a a - ' .� a / I a a // / F 00 PORTAOTTIrza44 Q a a a a sa� / / / / /' C2 / SOIL STOCKPILE o�a a , -,OFsI I \VVA <� / / / �/ / / ki3 a < s I I I A Q4 I a (eN a // I//C > 1. // / / 7 GU = QC2 �LL � 5'-0" 10SIDESETBACK / i//',/ /%///' C2 BMPC154: CONCRETE WASHOUTAREA/// / / �^ 0Iza =>wZ 0\ co 1 L T 5 _ / ,// �/ / /' '' o .,zwo „� _ _ _ _ _- ��s,« 1Lr _ __///// /V // / / BMPC130: SURFACEROUGHENING z C2 Z // ,/ // / / / / / / / / < w a Z Z 13 499 SF ' ,r �/ / Qao�o a W Z 96.97' 10 ,/ //' /////// //////// z/ / < -i arto�z �, __ „ �/ ;;�; / /,/ CODE & PROJECT DESCRIPTION J QOz N89° , S9"E / v EXISTING TREES (VERIFY) / �� \ / _ / / /�/' / / ZONING: R2A �( zz,lzo 7' _ �/ _ __ �' --�/ �% OCCUPANCY GROUP AND USE: SINGLE FAMILY RESIDENCE W COO /' // - // /// /// / PLAN AREA CONSTRUCTION TYPE: TYPE-V ��zu,z» / / 000ww / V ' ' / / / / / ua�zz / -- ///' / ALL CONSTRUCTION TO COMPLY WITH LOCAL CODES AND °F�oo \ lc) / / / / ;////// / MAIN FLOOR 1 ,886 SQ.FT. amo \ wo / �__�_-� / / / / ORDINANCES AND THE FOLLOWING: = C 1 / / ///// / / /// -2018 INTERNATIONAL RESIDENTIAL CODE 1-6A18L11 »Z CC2>\ / / / // /////// BASEMENT 1 ,158 SQ.FT. -2018 WASHINGTON STATE ENERGY CODE CO WATER METER N0\a5'E % / // C3 , — ----j/ // i/j/ -2018 UNIFORM PLUMBING CODE: LL�o(VERIFY) 20 PUBLIC \ ,/ �/-"--- , ;' Z,/ / // / TOTAL LIVING AREA: 3,044 SQ•FT•vWNER DESI N INF RMATION ' / OWNER APPROV ;= UTILITYESMT. c)...._---- // / GARAGE 603 SQ.FT. ' / /' DESIGNER INFO �� / / DESIGNER: JASON STERLING - STRANDBERG CONSTRUCTION INC. \ 45 /� / STORAGE/UTILITY 1 05 SQ.FT. EMAIL: JASONS@STRANDBERGCONSTRUCTION.COM INITIAL: PAGE #: // \ / ENTRY PORCH 123 SQ.FT. DRAFTSMAN: JESSE BASS -STRANDBERG CONSTRUCTION INC. FIRE HYDRANT #664 EMAIL: JESSE@STRANDBERGCONSTRUCTION.COM 2,011GPM @ 20 PSI COVERED PORCH 157 SQ.FT. BUILDER INFO C I NAME: STRANDBERG CONSTRUCTION, INC. DISTANCE TO PROPERTY 3' - 8" // COVERED DECK SQ.FT. ADDRESS: 2018 RAVE.,ANACORTES WA98221 DISTANCE TO FRONT OF GARAGE 213' - 8" 266 Q TELEPHONE: 360 293 7431 PAGE: OPEN DECK 258 SQ.FT. OWNER INFO / NAME: CHRISTOPHER& MARCIA HENDRICKS 2 of 18 / / / MASTER DECK 52 SQ.FT. ADDRESS &TELEPHONE AVAILABLE UPON REQUEST / BMP T5.13: POST-CONSTRUCTION SOIL QUALITY AND DESIGNED BY. jJ BMP C154: CONCRETE WASHOUT AREA 0 BMP C235: WATTLES Q BMP C105: STABILIZED CONSTRUCTION ENTRANCE / EXIT O PURPOSE PURPOSE PURPOSE DEPTH J. STERLING PREVENT OR REDUCE THE DISCHARGE OF POLLUTANTS TO STORMWATER FROM CONCRETE WASTE BY CONDUCTING WATTLES ARE TEMPORARY EROSION AND SEDIMENT CONTROL BARRIERS CONSISTING OF STRAW,COMPOST,OR OTHER STABILIZED CONSTRUCTION ENTRANCES ARE ESTABLISHED TO REDUCE THE AMOUNT OF SEDIMENT TRANSPORTED ONTO PURPOSE AND DEFINITION WASHOUT OFF-SITE,OR PERFORMING ON-SITE WASHOUT IN A DESIGNATED AREA TO PREVENT POLLUTANTS FROM MATERIAL THAT IS WRAPPED IN BIODEGRADABLE TUBULAR PLASTIC OR SIMILAR ENCASING MATERIAL.THEY REDUCE THE PAVED ROADS BY VEHICLES OR EQUIPMENT.THIS IS DONE BY CONSTRUCTING A STABILIZED PAD OF QUARRY SPALLS AT NATURALLY OCCURRING(UNDISTURBED)SOIL AND VEGETATION PROVIDE IMPORTANT STORMWATER FUNCTIONS DRAFTED BY: N ENTERING SURFACE WATERS OR GROUND WATER. VELOCITY AND CAN SPREAD THE FLOW OF RILL AND SHEET RUNOFF,AND CAN CAPTURE AND RETAIN SEDIMENT.WATTLES ENTRANCES AND EXITS FOR CONSTRUCTION SITES. INCLUDING:WATER INFILTRATION; NUTRIENT,SEDIMENT,AND POLLUTANT ADSORPTION;SEDIMENT AND POLLUTANT N ARE TYPICALLY 8 TO 10 INCHES IN DIAMETER AND 25 TO 30 FEET IN LENGTH.WATTLES ARE PLACED IN SHALLOW TRENCHES CONDITIONS OF USE CONDITIONS OF USE AND STAKED ALONG THE CONTOUR OF DISTURBED OR NEWLY CONSTRUCTED SLOPES.SEE FIGURE 11-4.2.14 WATTLES(P. CONSTRUCTION ENTRANCES SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE ENTERING OR LEAVING A CONSTRUCTION BIOFILTRATION;WATER INTERFLOW W STORAGE AND TRANSMISSION;AND POLLUTANT DECOMPOSITION.THESE FUNCTIONS J. BASS SITE IF PAVED ROADS OR OTHER PAVED AREAS ARE WITHIN 1,000 FEET OF THE SITE. FOR RESIDENTIAL CONSTRUCTION ARE LARGELY LOST WHEN DEVELOPMENT STRIPS AWAY NATIVE SOIL AND VEGETATION AND REPLACES IT WITH MINIMAL c CONCRETE WASHOUT AREA BEST MANAGEMENT PRACTICES ARE IMPLEMENTED ON CONSTRUCTION PROJECTS WHERE: 378)FOR TYPICAL CONSTRUCTION DETAILS.WSDOT STANDARD PLAN 1-30.30-00 ALSO PROVIDES INFORMATION ON WATTLES TOPSOIL AND SOD. NOT ONLY ARE THESE IMPORTANT STORMWATER FUNCTIONS LOST, BUT SUCH LANDSCAPES -CONCRETE IS USED AS A CONSTRUCTION MATERIAL. (HTTP://WWW.WSDOT.WA.GOV/DESIGN/STANDARDS/PLANS.HTM#SECTIONI) PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE, RATHER THAN ONLY AT THE MAIN SUBDIVISION THEMSELVES BECOME POLLUTION GENERATING PERVIOUS SURFACES DUE TO INCREASED USE OF PESTICIDES, -IT IS NOT POSSIBLE TO DISPOSE OF ALL CONCRETE WASTEWATER AND WASHOUT OFF-SITE(READY MIX PLANT, ETC.). ENTRANCE.STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGTH/WIDTH TO PROVIDE VEHICLE ACCESS/PARKING, co -CONCRETE TRUCKS,PUMPERS,OR OTHER CONCRETE COATED EQUIPMENT ARE WASHED ON-SITE. NOTE: IF LESS THAN CONDITIONS OF USE BASED ON LOT SIZE/CONFIGURATION.ON LARGE COMMERCIAL,HIGHWAY,AND ROAD PROJECTS,THE DESIGNER SHOULD FERTILIZERS AND OTHER LANDSCAPING AND HOUSEHOLD/INDUSTRIAL CHEMICALS,THE CONCENTRATION OF PET WASTES, 1t = 1 INCLUDE ENOUGH EXTRA MATERIALS IN THE CONTRACT TO ALLOW FOR ADDITIONAL STABILIZED ENTRANCES NOT SHOWN IN AND POLLUTANTS THAT ACCOMPANY ROADSIDE LITTER. ESTABLISHING SOIL QUALITYAND DEPTH REGAINS GREATER 1/4 1 U.N.O. 10 CONCRETE TRUCKS OR PUMPERS NEED TO BE WASHED OUT ON-SITE,THE WASHWATER MAY BE DISPOSED OF IN A USE WATTLES: STORMWATER FUNCTIONS IN THE POST DEVELOPMENT LANDSCAPE, PROVIDES INCREASED TREATMENT OF POLLUTANTS I- FORMED AREA AWAITING CONCRETE OR AN UPLAND DISPOSAL SITE WHERE IT WILL NOT CONTAMINATE SURFACE OR -IN DISTURBED AREAS THAT REQUIRE IMMEDIATE EROSION PROTECTION. THE INITIAL CONSTRUCTION SWPPP. IT IS DIFFICULT TO DETERMINE EXACTLY WHERE ACCESS TO THESE PROJECTS WILL AND SEDIMENTS THAT RESULT FROM DEVELOPMENT AND HABITATION,AND MINIMIZES THE NEED FOR SOME LANDSCAPING GROUND WATER.THE UPLAND DISPOSAL SITE SHALL BE AT LEAST 50 FEET FROM SENSITIVE AREAS SUCH AS STORM -ON EXPOSED SOILS DURING THE PERIOD OF SHORT CONSTRUCTION DELAYS,OR OVER WINTER MONTHS. TAKE PLACE;ADDITIONAL MATERIALS WILL ENABLE THE CONTRACTOR TO INSTALL THEM WHERE NEEDED. DATE Lu DRAINS,OPEN DITCHES,OR WATER BODIES, INCLUDING WETLANDS. -ON SLOPES REQUIRING STABILIZATION UNTIL PERMANENT VEGETATION CAN BE ESTABLISHED. CHEMICALS,CAIO THUS LIMITATIONSUCING POLLUTION THROUGH PREVENTION. I- APPLICATIONS AND -THE MATERIAL USED DICTATES THE EFFECTIVENESS PERIOD OF THE WATTLE.GENERALLY,WATTLES ARE TYPICALLY ESTABLISHING A MINIMUM SOIL QUALITY AND DEPTH IS NOT THE SAME AS PRESERVATION OF NATURALLY OCCURRING SOIL 6-11-21 EFFECTIVE FOR ONE TO TWO SEASONS. AND VEGETATION. HOWEVER, ESTABLISHING A MINIMUM SOIL QUALITYAND DEPTH WILL PROVIDE IMPROVED ON-SITE a -PREVENT RILLING BENEATH WATTLES BY PROPERLY ENTRENCHING AND ABUTTING WATTLES TOGETHER TO PREVENT MANAGEMENT OF STORMWATER FLOW AND WATER QUALITY.SOIL ORGANIC MATTER CAN BE ATTAINED THROUGH WATER FROM PASSING BETWEEN THEM. NUMEROUS MATERIALS SUCH AS COMPOST,COMPOSTED WOODY MATERIAL, BIOSOLIDS,AND FOREST PRODUCT • RESIDUALS. IT IS IMPORTANT THAT THE MATERIALS USED TO MEET THE SOIL QUALITYAND DEPTH BMP BE APPROPRIATE DESIGN CRITERIA NOT TO SCALE AND BENEFICIAL TO THE PLANT COVER TO BE ESTABLISHED. LIKEWISE, IT IS IMPORTANT THAT IMPORTED TOPSOILS -INSTALL WATTLES PERPENDICULAR TO THE FLOW DIRECTION AND PARALLEL TO THE SLOPE CONTOUR. IMPROVE SOIL CONDITIONS AND DO NOT HAVE AN EXCESSIVE PERCENT OF CLAY FINES.THIS BMP CAN BE CONSIDERED ' -NARROW TRENCHES SHOULD BE DUG ACROSS THE SLOPE ON CONTOUR TO A DEPTH OF 3-TO 5-INCHES ON CLAY SOILS INFEASIBLE ON TILL SOIL SLOPES GREATER THAN 33 PERCENT. 3rri Mirimk n AND SOILS WITH GRADUAL SLOPES.ON LOOSE SOILS,STEEP SLOPES,AND AREAS WITH HIGH RAINFALL,THE TRENCHES n SIGN GUIDELINES laSHOULD BE DUG TO A DEPTH OF 5-TO 7-INCHES,OR 1/2 TO 2/3 OF THE THICKNESS OF THE WATTLE. -SOIL RETENTION.RETAIN, IN AN UNDISTURBED STATE,THE DUFF LAYER AND NATIVE TOPSOIL TO THE MAXIMUM EXTENT La1ri and fl ging -START BUILDING TRENCHES AND INSTALLING WATTLES FROM THE BASE OF THE SLOPE AND WORK UP.SPREAD PRACTICABLE. IN ANY AREAS REQUIRING GRADING REMOVE AND STOCKPILE THE DUFF LAYER AND TOPSOIL ON SITE IN A U 0 = 0 or7 3 sides EXCAVATED MATERIAL EVENLY ALONG THE UPHILL SLOPE AND COMPACTED USING HAND TAMPING OR OTHER METHODS. DESIGNATED,CONTROLLED AREA,NOT ADJACENT TO PUBLIC RESOURCES AND CRITICAL AREAS,TO BE REAPPLIED TO Sandbars -CONSTRUCT TRENCHES AT INTERVALS OF 10 TO 25 FEET DEPENDING ON THE STEEPNESS OF THE SLOPE,SOIL TYPE,AND OTHER PORTIONS OF THE SITE WHERE FEASIBLE. RAINFALL.THE STEEPER THE SLOPE THE CLOSER TOGETHER THE TRENCHES. -SOIL QUALITY.ALL AREAS SUBJECT TO CLEARING AND GRADING THAT HAVE NOT BEEN COVERED BY IMPERVIOUS -INSTALL THE WATTLES SNUGLY INTO THE TRENCHES AND ABUT TIGHTLY END TO END. DO NOT OVERLAP THE ENDS. SURFACE, INCORPORATED INTO A DRAINAGE FACILITY OR ENGINEERED AS STRUCTURAL FILL OR SLOPE SHALL,ATci) Tv Berm Sandbag -INSTALL STAKES AT EACH END OF THE WATTLE,AND AT 4-FOOT CENTERS ALONG ENTIRE LENGTH OF WATTLE. Odd 1 0 PROJECT COMPLETION, DEMONSTRATE THE FOLLOWING: 1 --�� ICI mil plalit lining IF REQUIRED, INSTALL PILOT HOLES FOR THE STAKES USING A STRAIGHT BAR TO DRIVE HOLES THROUGH THE WATTLE ` 01.ATOPSOIL LAYER WITH A MINIMUM ORGANIC MATTER CONTENT OF 10%DRY WEIGHT IN PLANTING BEDS,AND 5% 2 AND INTO THE SOIL. , 14,11,3 ORGANIC MATTER CONTENT IN TURF AREAS,AND A PH FROM 6.0 TO 8.0 OR MATCHING THE PH OF THE UNDISTURBED SOIL. CJ WOODEN STAKES SHOULD BE APPROXIMATELY 3/4 X 3/4 X 24 INCHES MIN.WILLOW CUTTINGS OR 3/8-INCH REBAR CAN 4 THE TOPSOIL LAYER SHALL HAVE A MINIMUM DEPTH OF EIGHT INCHES EXCEPT WHERE TREE ROOTS LIMIT THE DEPTH OF Cf) Varies 0A 0 ALSO BE USED FOR STAKES. ^" INCORPORATION OF AMENDMENTS NEEDED TO MEET THE CRITERIA.SUBSOILS BELOW THE TOPSOIL LAYER SHOULD BE 0W X f STAKES SHOULD BE DRIVEN THROUGH THE MIDDLE OF THE WATTLE, LEAVING 2 TO 3 INCHES OF THE STAKE PROTRUDINGtibia, SCARIFIED AT LEAST 4 INCHES WITH SOME INCORPORATION OF THE UPPER MATERIAL TO AVOID STRATIFIED LAYERS, A er 1 m ABOVE THE WATTLE. WHERE FEASIBLE. ; 0 c>_ U 2. MULCH PLANTING BEDS WITH 2 INCHES OF ORGANIC MATERIAL. Berm MAINTENANCE STANDARDS # ,• 3. USE COMPOST AND OTHER MATERIALS THAT MEET THESE ORGANIC CONTENT REQUIREMENTS n ..2 -WATTLES MAY REQUIRE MAINTENANCE TO ENSURE THEY ARE IN CONTACT WITH SOIL AND THOROUGHLY ENTRENCHED, fir, A.THE ORGANIC CONTENT FOR"PRE-APPROVED"AMENDMENT RATES CAN BE MET ONLY USING COMPOST MEETING THE N ESPECIALLY AFTER SIGNIFICANT RAINFALL ON STEEP SANDY SOILS. im * 1 f]fJ'min. COMPOST SPECIFICATION FOR BMP T7.30:BIORETENTION CELLS,SWALES,AND PLANTER BOXES(P.959),WITH THE o v00 alsCtlOti _ y y - - EXCEPTION THAT THE COMPOST MAY HAVE UP TO 35%BIOSOLIDS OR MANURE.THE COMPOST MUST ALSO HAVE AN f 10 end plastic fining , a, '`,.a ORGANIC MATTER CONTENT OF 40%TO 65%,AND A CARBON TO NITROGEN RATIO BELOW 25:1.THE CARBON TO NITROGEN a i Plan ?+totes: - illri RATIO MAY BE AS HIGH AS 35:1 FOR PLANTINGS COMPOSED ENTIRELY OF PLANTS NATIVE TO THE PUGET SOUND 1. Actuallayaui #. * LOWLANDS REGION. C 1 m determined in the field. B.CALCULATED AMENDMENT RATES MAY BE MET THROUGH USE OF COMPOSTED MATERIAL MEETING(A.)ABOVE;OR ° Type "Below Clyde*' 2. A t4rttrefe washout Install driveway :- - OTHER ORGANIC MATERIALS AMENDED TO MEET THE CARBON TO NITROGEN RATIO REQUIREMENTS,AND NOT EXCEEDING N sign shall be installed cubert if there is a THE CONTAMINANT LIMITS IDENTIFIED IN TABLE 220-B,TESTING PARAMETERS, IN WAC 173-350-220. o signwith rY iD rn 8f the roadside ditch present ! _ ,A, THE RESULTING SOIL SHOULD BE CONDUCIVE TO THE TYPE OF VEGETATION TO BE ESTABLISHED. Z 4 L IMPLEMENTATION OPTIONS:THE SOIL QUALITY DESIGN GUIDELINES LISTED ABOVE CAN BE MET BY USING ONE OF THE a 3rn Minimum temporary concrete spells ' ` illii METHODS LISTED BELOW: washout facility. ;� 1. LEAVE UNDISTURBED NATIVE VEGETATION AND SOIL,AND PROTECT FROM COMPACTION DURING CONSTRUCTION. o {. ¢ #� 2zir kg. .AMEND EXISTING SITE TOPSOIL OR SUBSOIL EITHER AT DEFAULT"PRE-APPROVED"RATES,OR AT CUSTOM CALCULATED Mod frame .40.1114110.-rdirf. APIP4/4111A4 RATES BASED ON TESTS OF THE SOIL AND AMENDMENT. B P s2curefy fastened C,eotexlile ` , ` 3.STOCKPILE EXISTING TOPSOIL DURING GRADING,AND REPLACE IT PRIOR TO PLANTING.STOCKPILED TOPSOIL MUST around entire +'TA 181- ALSO BE AMENDED IF NEEDED TO MEET THE ORGANIC MATTER OR DEPTH REQUIREMENTSe. ,EITHER AT A DEFAULT"PRE- e perirmleter with two 3' _4' APPROVED"RATE OR AT A CUSTOM CALCULATED RATE. w 12 stakes - (.12m _1,4 • 4. IMPORT TOPSOIL MIX OF SUFFICIENT ORGANIC CONTENT AND DEPTH TO MEET THE REQUIREMENTS. LI varrts H 14 fnik r MORE THAN ONE METHOD MAY BE USED ON DIFFERENT PORTIONS OF THE SAME SITE.SOIL THAT ALREADY MEETS THE 4. • DEPTH AND ORGANIC MATTER QUALITY STANDARDS,AND IS NOT COMPACTED, DOES NOT NEED TO BE AMENDED. 0106tiC liniri r�� E \ \If / ' MAINTENANCE 0 .,, { • Notes: i� min. -ESTABLISH SOIL QUALITY AND DEPTH TOWARD THE END OF CONSTRUCTION AND ONCE ESTABLISHED, PROTECT FROM tJ Stake(typ_) 1 '{ Pr 1. Driveway shall meet COMPACTION,SUCH AS FROM LARGE MACHINERY USE,AND FROM EROSION. Straw Ie11s mull be w 12'minimum thickness O J the uirements of the -PLANT VEGETATION AND MULCH THE AMENDED SOIL AREAAFTER INSTALLATION. { ¢ Section BBB planed along steps i'= Adjacent rails permitting agency. -LEAVE PLANT DEBRIS OR ITS EQUIVALENT ON THE SOIL SURFACE TO REPLENISH ORGANIC MATTER. tJ conic Lys ti� 1041 tighlty abut 1 -REDUCE AND ADJUST,WHERE POSSIBLE,THE USE OF IRRIGATION, FERTILIZERS, HERBICIDES AND PESTICIDES, RATHER N L /0 mil plastic lining ti N �, Two-stacked •'~ 2_ It is recommended that Provide full width THAN CONTINUING TO IMPLEMENT FORMERLY ESTABLISHED PRACTICES. v) 2x12 rough Plan the entrance be of ingresslegress wood frame ': area Q 0 0 . \ crowned so that runoff ~ drains off the pad. 0 P Type "Above Grade" with Wood Planks NChTTCS+'�4L1= AN ''- b . ' 1- > w M 11T-26(3-Im) A' W 0 L P S M f tYU Figure II-4.1 .7a ,c,4 Figure 11-4.1 . 1 J oo N �' Q Concrete Washout Area ' f°.. Stabilized Construction Entrancem •Q N Q co Re�rlsed,hrye.21g15 Spatting depertda ,. # • Revised June 2015 DEPARTMENT OF bri sniliyeand '� DEPARTMENT++OF I I I ECOLOGYstopoiepness h: Sedirrnl,�rgailiG rrialrJLef_ E LO7 • �++ Please see hftpl�tvsvw.ecy.tva.govdcoPynght.hlml for copyright noCic including permisslnrte Please see hltpiMwxw.ecy.wa.gov/copyrighht.htmIfor copyright notice including permissions. State of Washington kmitalion of liability.and di.clairrer_ and native seeds are Slate of Washington limitation of liability,and disclaimer. r __ c.ap;ured behind the rails. �./ Z w 0 BMP C130: SURFACE ROUGHENING ..,. CI STORM DRAIN INLET PROTECTION 1-40.20-00 w (- Purpose: SIZE THE BELOW INLET GRATE DEVICE(BIGD)FOR THE STORM WATER STRUCTURE IT WILL SERVICE 0 BMP C233: SILT FENCE 0 Q LL Surface roughening aids in the establishment of vegetative cover, reduces runoff velocity,increases infiltration,and provides for sediment trapping through the provision of a rough soil surface.Horizontal depressions are created by operating a tiller or other suitable equipment THE BIGD SHALL HAVE A BUILT IN HIGH-FLOW RELIEF SYSTEM(OVERFLOW BYPASS). PURPOSE Li_ - 0 on the contour or by leaving slopes in a roughened condition by not fine grading them. Use this BMP in conjunction with other BMPs such 3'-5'(75-12504-r:) USE OF A SILT FENCE REDUCES THE TRANSPORT OF COARSE SEDIMENT FROM A CONSTRUCTION SITE BY PROVIDING A , as seeding, mulching,or sodding. 3 THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIGD WITHOUT SPILLING THE COLLECTED MATERIAL. TEMPORARY PHYSICAL BARRIER TO SEDIMENT AND REDUCING THE RUNOFF VELOCITIES OF OVERLAND FLOW.SEE FIGURE z V $"-I01' Dia. 4.PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 8-01.3 15 . 11-4.2.12 SILT FENCE(P.369)FOR DETAILS ON SILT FENCE CONSTRUCTION. Q CONDITIONS OF USE: ( ) 7 -All slopes steeper than 3H:1 V and greater than 5 vertical feet require surface roughening to a depth of 2 to 4 inches prior to seeding. 1 {Z�251mm) CONDITIONS OF USE Z L .. -Areas that will not stabilized immediately may be roughened to reduce runoff velocity until seeding takes place. SILT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS. W Q r Slopes with a stable rock face do not require roughening. - SILT FENCE SHALL PREVENT SOIL CARRIED BY RUNOFF WATER FROM GOING BENEATH,THROUGH,OR OVER THE TOP OF - N -Slopes where mowing is planned should not be excessively roughened. Live SakeTHE SILT FENCE, BUT SHALL ALLOW THE WATER TO PASS THROUGH THE FENCE. J w (N •'. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS,NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNTS 0 r , 00 % �I/ OF OVERLAND FLOW.CONVEY ANY CONCENTRATED FLOWS THROUGH THE DRAINAGE SYSTEM TOASEDIMENT POND. U y, 1'x 1"SCE DO NOT CONSTRUCT SILT FENCES IN STREAMS OR USE IN V-SHAPED DITCHES.SILT FENCES DO NOT PROVIDE AN Q L -(25 x 25tnrn) � ADEQUATE METHOD OF SILT CONTROL FOR ANYTHING DEEPER THAN SHEET OR OVERLAND FLOW. I-, fGRATE . te a U R CL E k NOTE: w _ �� 1_ Straw rod installation requires the placement grid secure slacking �- f �� _ I ' of the MIL in a bench,3"-5"(75-125mm}deep.dug an contour. ill 0 ' s ue- Runoff must nut be allowed tt run under ar around rdlf. NOT TO SCALE sE°"'is'rrAND cows Et lial�� �, l f II OVERFLOW BYPASS . �. ,# r 'f` BELOW INLET GRATE DEVICE Joints in filter labile shall be spliced Z _ _ Figure I - '! r .• at posts.Use staples,wired s or L MM �'J ti�4! #� �� equivalent to attach fabric to posts O :1111111r-kh,1 _116 1' ' - Wattles L WATER . . '- : . 1- i '.z.... ION Rliaiter9#+ttwamt5.er 2015M- 2"x2'b71 14 Ga.wire or equivalent. DEPARTMENT OF0 if standard strerigthlabric used = (�I ECOLOGIC Please SttlB fttlplJLrwtix_dCy_w .fO+�k`11p1+rl0htlkrfb 68e tpYth elateincluding permissions, ..•+•+ ■•r••r•rr•t� • ❑ a ►.V*4'4 + ■••••••••m ■ � ''or State of Ywaafsingto-n finiil r1r11�fiadlily,arid ilrlsr_ ►;►" ;' ,a•••Ilrretr■ a _ . ._ ,,„,,.. , ,..-mi._ ...iii,!.• .ri.. fl= i_4=11.- =I.. .. 4 k Ve• V-4,..0 140 MilWitiM RV IWRW*44%4•44 64 141.4.4,••I I•••= _1 z>- +++ + ♦ +++A••1••1tr■ F++++++ ++ + ++++F++� Tfackin Kith rna.thin U and down n a +++ • +++++++.. ++ ++++ +++ �a ❑ i++++++ #*6 +++ +++++++i++'!i i i= ( wo;c31,�• � +t+s, tF • i•tt+i o a ® BMP C123: PLASTIC COVERING +:: + ::. ::: ;:= =� - z� 1rie si.pe pra.'idleS gr�aoveS trial WOgii. a a ai:::::::::s1 + '+:6qqqua** n ot ft sued, raaref Land n5duea runoff. PURPOSE: + 0'4'4*p. �� Q. o ,tom PLASTIC COVERING PROVIDES IMMEDIATE,SHORT-TERM EROSION PROTECTION TO SLOPES AND DISTURBED AREAS. 1 *i*+**+*+i* 94 49.)� I C as � � SWIMVEw 3*+�+r s s+r+f+s. `1 a ,+, 1 R G Z w v w SCALEF r .-. Ox CONDITIONS OF USE: NOT �• l V � ' M3Qwo Tracking PLASTIC COVERING MAY BE USED ON DISTURBED AREAS THAT REQUIRE COVER MEASURES FOR LESS THAN 30 DAYS, r 1 1-f- -' W �'N�Qo EXCEPT AS STATED BELOW. I I I I z a Hlw PLASTIC IS PARTICULARLY USEFUL FOR PROTECTING CUT AND FILL SLOPES AND STOCKPILES.NOTE:THE RELATIVELY Minimum IJ.• .6'max 09 I3 WRAPID BREAKDOWN OF MOST POLYETHYLENE SHEETING MAKES IT UNSUITABLE FOR LONG-TERM(GREATER THAN SIX 4"x4"trench I { I o==� MONTHS)APPLICATIONS. L a W 0 -DUE TO RAPID RUNOFF CAUSED BY PLASTIC COVERING, DO NOT USE THIS METHOD UPSLOPE OF AREAS THAT MIGHT BE "_z Zoo . 11 Posts c� maybe increased W H w W O Ik�` ADVERSELY IMPACTED BY CONCENTRATED RUNOFF.SUCH AREAS INCLUDE STEEP AND/OR UNSTABLE SLOPES. 2"x2'woodposts,steel H W 3 a Z Z II II• -PLASTIC SHEETING MAY RESULT IN INCREASED RUNOFF VOLUMES AND VELOCITIES, REQUIRING ADDITIONAL ON-SITE to 8'if wire backing is used .�N=LL 11II=1l• fence pasts-or equivalent a a o o F=11=11 11• MEASURES TO COUNTERACT THE INCREASES.CREATING A TROUGH WITH WATTLES OR OTHER MATERIAL CAN CONVEY DRAINAGE GRATE < ,I Z W o r6 11#11=11#1 CLEAN WATER AWAY FROM THESE AREAS. -rECTANGULAR GRATE OWN RETRIEVAL SYSTEM(TOP.) a 0 o Z =11=11. L z°ZWo II. I�=t -TO PREVENT UNDERCUTTING,TRENCH AND BACKFILL ROLLED PLASTIC COVERING PRODUCTS. N W n m 11= -WHILE PLASTIC IS INEXPENSIVE TO PURCHASE,THE ADDED COST OF INSTALLATION, MAINTENANCE, REMOVAL,AND i: ,$3c 11=Il: .1,�Y!P11=i, DISPOSAL MAKE THIS AN EXPENSIVE MATERIAL, UP TO$1.50-2.00PERSQUAREYARD. °zcaZ 11=1 � l 11=11=. 2%2'by 14 Ga.wire or equivalent, N = 1:� II-ff-11-11- -WHENEVER PLASTIC IS USED TO PROTECT SLOPES INSTALL WATER COLLECTION MEASURES AT THE BASE OF THE SLOPE. 2 Z W Via¢ tl� 4 ++ if standard strength fabric used 6 6'Z» 1-H-if-II-II-it= THESE MEASURES INCLUDE PLASTIC-COVERED BERMS,CHANNELS,AND PIPES USED TO COVEY CLEAN RAINWATER AWAY r� i�____ wozda 1i-11-11-II-11-i14 FROM BARE SOIL AND DISTURBED AREAS. DO NOT MIX CLEAN RUNOFF FROM APLASTIC COVERED SLOPE WITH DIRTY �� ! °�°ZZ 5f}' G"min -11-AiRiL RUNOFF FROM A PROJECT. .' ma 1�- .1 ZWK00O -'71 1m is, i9-11- .1 a 1[=11:1` (15rr1) (154mm) =II11� �11Mw ...,..,., 1w[ m I -I111=11 Filter fabric _ _ -111. p .. Z Zi. 00021-1� -II-II. -11:.II. 14A -II aZ°z111P11- 3 -11: .' 2'rrdnH(I) o�w° .1Z aZ II-11-.. E .1 H �Z1 it 1. ■. _ ��ii-11 � CnOur Ellrr 1 ,►�rr ,>= eE rA� ,Il llr'�11411r Ma_ximurn BackE�u trench with •�.�.. 1=11=11=19- * * - OWNER APPROVAL 11=[[=1111*h. % EFTA � 1.5'vrashed gravel 12"min. GrboveS.will catch seed,fertilizer, .�i=11=1=11=11= .1. �' ' 411E 1AAENING ON ED =I I=1111=11.`1.. a=l= �' LANDSCAPEARCATIECT Minimum mulch.rainfall, and se�ease runoff. INITIAL: 111111-11- .l.=_ I=11�1 a 4"x4"trench II-II-ii i f- , ,i-II-II-l-[1?=. PAGE #: =11=11-[I-II-t1-11= 1=11� MARK W.MA€RER -11-11-11-11ll1i-11 - ISOMETRIC VIEW CERTIFICATE NO.coarse 2"x2"wood posts.steel NOT TO SCALE I.Yiw 1.0......iw.....r.M.41,0w- fence posts, or equivalent ....•,.. wows nEs...�....Ae.�-.®..n NOT TO SQALE � ' C2 Figure . • lel Figure 11-4.2.12• Roughening Tracking and Contour Furrows . 9 .4 •W /- STORM DRAIN INLET PROTECTION STANDARD PLAN 11.70-00 SFlEE770F7SHEET Silt Fence PAGE: DEPARTMENT OF APPROVED FOR PUEUCArtON Revised October 2014 R ,isedJvne 2015 DEPARTMENT OF : ECOLOGY Pasca.kotich I1� � 3 of 18 Please See o l+w►v_scy wa.pO+d yri rthtml For cx�p,night notice inchudia, permissions, ••• ECOLOGY State of Washing Ion limilairdn of liabriGfSr_and disclaimer_ `"-"`'�"`"°"°ip"""'"''T"___ Please see f�tIp11ww4v.ecy.wa.gov,4eopydght.hfm!for copyright notice including permissions, Slate of Washington limitation of liability.and disclaimer. DESIGNED BY. STANDARD PLAN F- I 0 . 12-03 - CONCRETE CURBS STANDARD PLAN F-80 . 10-04 - CONCRETE DRIVEWAY ENTRANCE J. STERLING MAX 20' DRIVEWAY WIDTH PER STR-28 OF EDS STANDARDS DRAFTED BY: o N I I VARIES(SEE CONTRACT) I J. BASS -_ FACE OF CURB VARIES 12"TO 24" ,- FACE OF CURB i FACE OF CURB i FACE OF CURB y BROOMED (SEE NOTE 1) VARIES(SEE CONTRACT) m VARIES I 6 112" I 6 112" VARIES FROM 6" (IN)TO o"(IN) FINISH (TYP.) I BROOMED DRIVEWAY 1/4" = 1 U.N.O. -N 1" 10"TO 22" 1" I I MAINTAIN 1H:eV SLOPE %f ,!�' 318" (IN) EXPANSION JOINT(TYP.) - FINISH TYP.) L (SEE CONTRACT] 5 112" 1" VARIES 1"(IN) ON SIDE OF CURB CEMENT CONC.PEDESTRIAN CURB(TYP.) SEE STANDARD PLAN F-30.10 (SEE NOTE 1) ( ENTRANCE -c 7,. _\ I. (IN)R. I I f I (WHEN SPECIFIED IN CONTRACT) -- r R. / I SEE STANDARD PLAN F-10.12 SIDEWALK DATE o MATCH ROADWAY MATCH ROADWAY i (IN)R. I MATCH ROADWAY / (TYP.) w 1/2"(IN) R. MATCH ROADWAY I I SLOPE / 318"(IN) EXPANSION JOINT CEMENT CONC. SIDEWALKz SLOPE tic' SLOPE SLOPE 1f2"{INJ R. CEMENT CONCRETE -- s-1 -21 II ______, 3"(IN) R. [TYP•) - SEE STANDARD - SIDEWALK I112"(IN) R. 112"(IN) R. � �II c is 112"(IN) ROADWAYI 1 1/2"(IN) ROADWAY (TYP•) PLAN F-30.10 /*NN\ SIP a ROADWAY v cIO- R'• ' D /,,,r iv A r r LL 0 > - .., _ MATCH SIDEWALK WIDTH . 1 • •' p " P. a . P A - 7 i _• n y . . a I w.. , . .. ," - ' o r�l� p :ij/_ / f (SEE CONTRACT) IVI w- � I • ° ` " b I ° , ° *� > } _ C CD FLUSH MATH GUTTER PAN AT CURB * 7{r -- I I C LRA AT DR RANCEY ENTRANCEERTICAL r , i 0 (SEE CONTRACT} 111Y2" _ 111r2" d �?' 6" } 1' B • I I I . I I DUAL-FACED CEMENT CONCRETE I CEMENT CONCRETE I DEPRESSED CURB SECTION ' ' CY) TRAFFIC CURB AND GUTTER I TRAFFIC CURB AND GUTTER I AT CURB RAMPS AND PLAN VIEW CEMENT CONCRETE CURB DRIVEWAY I I 0CEMENT CONCRETE + TAPER {TYP.} DRIVEWAY ENTRANCES AND GUTTER (SEE NOTE 3) $ 0 2 5 PLAN VIEWCO DRIVEWAY ENTRANCE L USE THIS DETAIL I TYPE 1 CURB AND GUTTER NOTES (TYP.) (TYP.) SIDE SLOPE(TYP.} (SEE NOTE 3) L1 1. When the driveway width exceeds 15' (ft), construct a full depth TYPE 2 - 15' MAX. (SEE NOTE 6) F VARIES 15' MAX. (SEE NOTE fi) F expansion joint with 318" (in) joint filler alongthe drivewaycenterline. (1) W $' GRADE [TYP.] ~ (SEE CONTRACT) (TYP.) 1/2'(IN) LIP BETWEENr 1"{IN} R. BREAK GRADE See Standard Plan F-30.10. Construct expansion joints parallel ROADWAY GUTTER 1/2"(IN) R. fi•' CEMENT CONCRETE NOTE - GRADE BREAK-• , with the centerline as required at 15' (ft) maximum spacing whenAND CURB OR SEE CURB RAMP,LANDING, - l BREAK NOT STEEPER THAN [SEE CONTRACT) (SEE CONTRACT} ID i CEMENT CONCRETE OR 1J2"(IN) R. <r \ * * * * 4 driveway widths exceed 33' (ft). - -- CONTRACT PLANS 0o ASPHALT CONCRETE 1"(IN) OR IDRIVEwWVAY 1. See Standard Plan F-30.10 for Curb Expansion and --� ROAD GRADE SIDEWALK OR PATH R. ENTRANCE , . , ' 2- See Standard Plan F-30.10 for sidewalk details. 112" (IN) R. (TYP.] VARIES FROM Contraction Joint spacing and see Standard * 1} DEPRESSED CURB AND o J" s"(IN)TO 0"(IN) Specification Sections 8-04 and 9-04 for I � I~ GUTTER(SEE NOTE 3 N 17:3 i 1 3. Curb and Gutter shown; see the Contract Plans for the I, -� ) 11111111111111111 8" additional requirements. PEDESTRIAN RAMP 1 `- PEDESTRIAN RAMP curb design specified. See Standard Plan F-10.12 for - • ' ' 318" (IN)PREMOLDED JOINT FILLER / CEMENT CONCRETE I 3/8"(IN) EXPANSION JOINT (TYP-} Curb Details. DRIVEWAY _, { . o SIDEWALK(TYP.) SECTION Am (WHEN ADJACENT TO CEMENT 3/8"(IN) PREMOLDEDSEE STANDARD PLAN F-30.10 4. Avoid placing drainage structures, )unction boxes (SEE NOTE 7) SIDEWALK `- DRIVEWAY RAMP CONCRETE SIDEWALK) JOINT FILLER or other obstructions in front of driveway entrances. 3r8"(IN) EXPANSION JOINT(TYP.) '- o ROADWAY1/O" LIP BETWEN 5 Where "GRADE BREAK" is called out, the entire length of the SEE STANDARD PLAN F-30.10 SECTION 1 C: I C15 g CEMENT CONCRETE PEDESTRIAN CURB CEMENT CONCRETE PEDESTRIAN CURBR GUTTER 9 �J (SEE CONTRACT) (SEE CONTRACT) AND CURB(OR SEE line between the two adjacent surface planes shall be flush. CONTRACT) LEGEND ° AT CURB RAMPS, LANDINGS, •1r2"(IN) R. 6. The Pedestrian Ramp length is not required to exceed15 feet 1- AND DRIVEWAY ENTRANCES (TYP.) DEPRESSED CURB (unless otherwise shown in the Contract Plans). When applying ` SLOPE IN EITHER DIRECTION (SEE CONTRACT)imm rl AND GUTTER - the 15-foot max. length (measured from back of sidewalk) the w * io (SEE NOTE 3) runningslope of thepedestrian rampis allowed to exceed 8.3%. * 1 79 OR FLATTER RECOMMENDED FOR pDESIGN/FORMWORK(2% MAX.) all) 0 In y�Tj�r�, .. : ' o . ' . - % Use a single constant slope from bottom ❑f ramp to top of 0" T , 7.5%OR FLATTER RECOMMENDED FOR w -_+z DRIVEWAY RAMP ' ramp to match into the sidewalk over a horizontal distance * * `-. F WAS 4 WA& DESIGN/FORMWORK(8.3% MAX.) C �1, w FACE OF CURB FACE OF CURB FACE OF CURB d.�'s 4 Y DRIVEWAY • -- 3/8"(IN) EXPANSION JOINT(TYP.)- of 15 feet. (SEE NOTE 6) ; yrti4 LL VARIES 12"TO 2A" FACE OF CURB `' - 0 _1 (SEE NOTE 7) SEE STAfdDARD PLAN F-30.10 7. Beyond limits shown. Pay item does not include driveway. VARIES 7 114" w4.1! SECTION ( B J See Contract Plans. o 1" 10"TO 22" 1" B 1I2" 0 "CEMENT CONCRETE DRIVEWAY U (SEE CONTRACT) "J" 4" •-," i2W: G Z ENTRANCE TYPE 2"PAY LIMITS tip. �fi 112" 1" 1 112"(IN) R. D ,17 34363 a rzs tY "CEMENT CONCRETE DRIVEWAY CONTRACTION JOINT[TYP.] SEE STANDARD PLAN F-30.10 a 1"(IN)R. 1"(IN) R. 112"(IN)R. 1"LINT R. '� ��`!STE�Q �� LU ENTRANCE TYPE 1" PAY LIMITS FOR RAMP LENGTHS GREATER THAN 8' -U" PROVIDE � t'f STE��q � ' O 112"(IN} R. III- �I J � A L �� CONTRACTION JOINT EQUALLY SPACED 4'-0" MIN. OC. 'S$�>� +�1k,' coNN i ROADWAY y l ROADWAY a . '� am 411111410._ r op r 9 . ip a . + ROADWAY 4_ ROADWAY DRIVEWAY f I 'a+ n ' p . fr d (SEE NOTE 7) Q n DRIVEWAY 0 ° q a D 4 • te o (SEE NOTE 7) CEMENT CONCRETE O - " :o .. ,vr v• A n CEMENT CONCRETE CURBS r-... CL.4000 CONCRETE _ DRIVEWAY TYPES 7, 2N 3RA 4CE co _cp z > ti -0 i . v r • n a CL. 4000 CONCRETE PER STANDARD SPEC.8-Ufi.34,AA Q r r . 4 . . STANDARD PLAN F-10.12-03 PER STANDARD SPEC.8-UB.3 ;\.•- STANDARD PLAN F-80.10-04 0 rY 0 . a, 1 314"1 kl 314' 8 1/4" �, 8 114" SHEET 1 OF 1 SHEET O SHEET 1 OF 2 SHEETS J ,_COoo N 1000. -411111%111., - I APPROVED FOR PUBLICATION tar / APPROVED FOR PUBLICATION m a N QZ (CDCO STATE DESION ENGINEER STATE DESIGN ENGINEER DUAL-FACED CEMENT CEMENT CONCRETE MOUNTABLE CEMENT ; ISOMETRIC VIEW ISOMETRIC VIEW .+ Washington Moto Deportment of Transportation Washington Stang Dapprtm.nl of TwnsporfoTion CONCRETE TRAFFIC CURB TRAFFIC CURB CONCRETE TRAFFIC CURB VI TYPE '! - PAY LIMITS TYPE 2 - PAY LIMITS WI 0 Z (/) STANDARD PLAN F.30 . 1 0_03 - CONCRETE SIDEWALKS STANDARD PLAN F.80 . 1 0_04 - CONCRETE DRIVEWAY ENTRANCE W LLJ H 11 MAX 20' DRIVEWAY WIDTH PER STR-28 OF EDS STANDARDS U - O z rn U 1'-0" 6" SIDEWALKSEE Z VARIES v / Q (SEE CONTRACT) �� FOR SIDE TREATMENT SIDEWALK 6 1/2" CONTRACTION 8 1/2" ti BROOMED _ (SEE CONTRACT PLANS) 318" (IN) EXPANSION JOINT(TYP.) 1'-0" 1'-0" SEE OTHER SIDEWALK SECTIONS (SEE CONTRACT) JOINT 5 112" 1" FACE OF CURB FINISH (TYP.} SEE STANDARD PLAN F-30.10 z w z • 2.09� 1/2"(IN) R.(TYP.) CEMENT I MATCH SIDEWALK WIDTH W 12 Q N- ROUNDING 1/2"(IN) R. TYP.] \ \\���"'' rillw- �_ �� d { CURB NOT INCLUDED IN BID ITEM CONCRETE \ . (SEE CONTRACT) 'v 2.0% MAx. SEE STANDARD PLAN F-10.12 2,0%MAX� `t - • a - b v SIDEWALK �� MATCH SIDEWALK WIDTH J W N ��� '�`i � .' . �� j ' ¢ 1"(IN)R. p . ROADWAY * (SEE CONTRACT) -*t 0 (f) 0 00 6' 0. `i- VARIES fi -0' - \ 00 y jN � T 1 5EE CONTRACT) Q -t`6 SEE RAISED EDGE 3/8"(IN) PREMOLDED 1' �. SEE CURB FACE DETAIL >P � Ti • v C l\ ( ~ J D. * 4\\\���� 318"(ISEE STANDIARD PILAN(F 3U 10 v� ~\�\�� BROOMED V DETAIL-THIS SHEET JOINT FILLER \\\ _ WITH RAISED EDGE ¢ ,< ' FINISH(TYP.) Q FINISHED GRADE 1"(IN) BELOW MONOLITHIC CEMENT CONCRETE TOP OF CONCRETE SURFACE CURB AND SIDEWALK -- _- Q a • IO 11 i� LL 2'-0" SIDEWALK Et CY) NOTE y v \�1A u \ ` LLL.ILL 1'-0"11'-�}" MIN. (SEE CONTRACT) ,.., 4" w Lu CURB FACE DETAIL y Ul W 11 0 1/2"(IN) R.(TYP.) 1. Four feet of the sidewalk width shall be the minimum pedestrian accessible ,,, \\\1 \\\ ROUNDING CURB NOT INCLUDED IN BID ITEM- route free of vertical and horizontal obstructions. Gratings, Access Covers, EXTEND SIDEWALK TRANSVERSE EXPANSION 1 oEE STANDARD PLAN F-10.12 Junction Boxes, Cable Vaults, Pull Boxes and other appurtenances within the JOINTS TO INCLUDE CURB(FULL DEPTH) f CO x.o� 2.a MAX.M pp t • sidewalk must have slip resistant surfaces, be flush with surface, and match .. O t. grade of the sidewalk. � (SEE NOTE 1) 2'-fi" 2'-6" CEMENT CONCRETE DRIVEWAY ENTRANCE (SEE NOTE 1) CEMENT CONCRETE 00 r�RF'• �� 4 318"(IN) BUFFER STRIP(TYP.) CURB AND GUTTER SIDE SLOPE (TYP.) GO CURB AND GUTTER - _ (V 0" 06 ' .PREMOLDED WALL DR BARRIER -, \ % (TYP.)1:0 (TYP.) (SEE NOTE 3) (SEE NOTE 3) "CO JOINT FILLER \� PLAN VIEW PLAN VIEW w \ N DRIVEWAY ENTRANCE ADJACENT TO CURB a TYPE 3 SIDE SLOPE (TYP.) TYPE 4 (STEEP FILL SLOPES) SIDEWALK ❑ Z> 0e BROOMED FINISH(TYP.) a �\ * Z LL Z * wOOD a +f t THIS ENTRANCE TYPE SHALL NOT BE USED ALONG A PEDESTRIAN ROUTE °Z° In 1'-0" SIDEWALK 1,2"(IN) R. mmer , 0 0 4"(IN)WIDE,SMOOTH-TROWELED w I .` W o 12 r PERIMETER Z o O ALL CUT MIN. (SEE CONTRACT) °_ SLOPES r, CEMENT CONCRETE CURB m z Z 112"(IN)R TYP.] 444 NOT INCLUDED IN BID ITEM rrrramo [ D (CURB AND GUTTER SHOWN) Z Z Z°U CURB NOT INCLUDED IN BID ITEM J 2.0°/0 1 MATCH SIDEWALK WIDTH (SEE CONTRACT) (SEE CONTRACT) Q L "v 2.0% MAX, SEE STANDARD PLAN F-10.12 3/8"(IN) PREMOLDED r4IIIIIIIII SEE STANDARD PLAN F-10.12 a 112"(IN) R. (TYP.) - m 1J OR I JOINT FILLER 4'• {SEE CONTRACT] qY�', E v DRIVEWAY - oX=Za [C 112"(IN) LIP BETWEEN ROADWAY 112" (IN)LIP BETWEEN ROADWAY ii : ZwU° 0� 4 (SEE NOTE 7] �, +�. in an GUTTER AND CURB (OR SEE 112"{IN} R. [TYP.} �' GUTTER AND CURB(OR SEE I I I =�iroo 318"(IN)PREMOLDED _ `�- \ J r CONTRACT) I rD1" CONTRACT) w W N Z=a �o �� JOINT FILLER °LL SIDEWALK ADJACENT TO WALL DETAIL / �` o •. �'� 4 Q > w a a O ADJACENT TO CURB _ s SIDEWALK -i ( QRNOTE 7) za0o BRIDGE OR PEDESTRIAN N „a o°c6 RAILING DRIVEWAY J (SEE NOTE 7] DRIVEWAY 1••` a U o H° 318"(IN) EXPANSION JOINT TYP. RAMP DEPRESSED - DEPRESSED ZOZUUo '",,,,,,,› 4 (TYP.)_ -- CURB AND GUTTER RAMP SECTION F CURB AND GUTTER a w m r' CONTRACTION JOINT SEE STANDARD PLAN F-30.1U Q o z BARRIER A SEE • SIDEWALK IN SIDEWALK ONLY (SEE NOTE 3) �� (SEE NOTE 3) .. �_5wce g' SECTION t E ] ?ooaz CONTRACT PLANS �� (SEE CONTRACT) 112" �'� IIVI �- /J 0 �» ��-�� �OOVU LEVEL ` ``mac• EXPANSION JOINT IN BOTHTRk "a z z 1/2"(IN)R.(TYP.) 'Yo � ' r CURB AND SIDEWALK !sou, r I 112"{IN] R. si. rawAs4v .e...,�ICURB NOT INCLUDED IN BID ITEM - - WA3yt FLUSH ! 4 2.0% MAX, SEE STANDARD PLAN F-10.12 v E}�° raleR� ! �' m o awP. It vx- IIIP /- i ,� ° U coo1 ,. m V.. F Z OH . ,a � 1��j as 1"(IN) R. 011111.11E ISOMETRIC VIEW W r "CEMENT CONCRETE DRIVEWAY J , ,- o 0 o a ZZZ� VERTICAL WALL - 31B"(IN) PREMOLDED " , r "4 ' ENTRANCE TYPE 3" PAY LIMIT = a g F JOINT AND FINISH ` tir "CEMENT CONCRETE DRIVEWAY ry �� SEE DETAIL JOINT FILLER(TYP.) O 34363 �a ENTRANCE TYPE 4" PAY LIMIT jti`•. �3 2gygp �� DETAIL T� ' GIST °' \ DRIVEWAY 7 ,e, iP4,,`I 689,, ' 1' ADJACENT TO CURB AND RAILING OR WALL RAISED EDGE DETAIL 4S fG (SEE NOTE 7) ;-. � (, ONAL /ON=AL E` CL.4000 CONCRETE DRIVEWAY �: OWNER APPROVAL EXTEND SIDEWALK TRANSVERSE PER STANDARD SPEC.8-06.34 (SEE NOTE 7) 3' -0"MIN. JOINTS TO INCLUDE RAISED EDGE - FOR SIDE TREATMENT SIDEWALK BUFFER STRIP �` SEE OTHER SIDEWALK (SEE CONTRACT) (SEE CONTRACT) �l �.•:' CEMENT CONCRETE INITIAL: 318 118"TO 114" CEMENT CONCRETE DRIVEWAY ENTRANCE PAGE #: SECTIONS V - 112"(IN)R. CURB NOT INCLUDED IN BID ITEM -- -' y SIDEWALK CL. 400fl CONCRETE 411411111y• PER STANDARD SPEC.8-06.3 TYPES 2.0°!o MAXI (TYP,) SEE STANDARD PLAN F-10.12 r _ " 1, 2, 3, r I7 A jk " . " '-'5,, • STANDARD PLAN F-30.10-033 C D . �a ' Pr.�' )b ' SHEET 1 OF 1 SHEET STANDARD PLAN F-8D.10-04 a . fl SHEET 2 OF 2 SHEETS FINISHED GRADE 1"(IN) BELOW TOP OF CONCRETE t,v n - . APPROVED FOR PUBLICATION 1ylr SURFACE FOR PLANTING FLUSH IF PAVED APPROVED FOR PUBLICATION PREMOLDED v+ ISOMETRIC VIEW ISOMETRIC VIEW JOINT FILLER STATE DESIGN ENGINEER 5 rA1 E Ot31GN LN(INttR ADJACENT TO BUFFER STRIP wpshiaytpn State Oapprfmard vl Transportation TYPE 3 PAY LIMITS TYPE 4 4 PAY LIMITS !r► 0 EXPANSION JOINT C CONTRACTION JOINT T weshingron State Department of Transportoiion 4 of 18 APPENDIX 6— Documented Site Photos Show all directions of the site, includin• fronta•e ..• ...- •—• :r 0 ' ' • • • 41.. -.i '''' t.' t '. f. �] _'.t[`_ •,INANACORTES ' 11111 vr • :iitH 11010- • • ,. .. , ,,,__, r , t •. p,..,.,..__ i Location: Aerial Shot Description of the photo: Looking down on lot Photo taken b : !map { _ ��" �"Y T < - r� '� " n - u,,�..mitr tY Y L a fir iY ° 3 . - '' z'.„; ^es � ' �.ro � c '' i -� f - , _4a a ' z44`' rf" tea - '.4_ t '`t , : Lk f< ' Vi F -* 7. . "` ' 3 a T eS. ,�`^_ l�w � ,, ma's g t 471...4e...,_ , t it_.:„-tr,,,...„,t4 4,its.1.0,,-; 4 ,..-0-‘v- #,.. -,-- ' Vim'�ws�.M'#�.:..- . ,,,,,,v,4,,...1 � Y '%c 0. � - E �.' ,. �Y F ��Yi�i, <�� K,�h 3 r r ^� .----ice a,,,,i1 U. A'4 k a -"' .'t• ;. .a -3 4 -tT- �. . •- � ' - •.4 ms 3 "r -` iY�y I- 9,,,,..". # `•.�.. .r3r3- 'ag -.,z d Location: South side of lot looking West Description of the photo: Looking at slope of lot towards west and back "frontage" Photo taken by: Jason Sterling T. ! -i. AA.' >r r , r ye -:� c `� 'dim "r t y�„ r _yam-a.. T" ;x �`' °' n 1 "4- Y �` "�'*y� ,,, ,.-. S• j , '- F W ^A h y yN Ft 3 ' 'R-.� ,F - ."--_...,•—'!, , ;•--,;`-- '-- ----1,-----fxr -',,_, -,•-,:L•°-•A"..---"'''' e-..,A.'1,1'C'''',"4--, 1;4 , t,.-g..'"?'. . ''., . trip, 4„,,,,w..44.,..;... -_4'i _ r ,, a si r F i.: _a @ s �1 r ' .a � ,` f y `' a<'.' - s F `fiye y sr� _,. il d L" g A :} , 2. -�4yr, ,� � t ' x_ -' c q € `�' � � �r- a ; . '" l t , R # '�{ e y�z � � alr `4 _N / 4, Location: South side of lot looking North Description of the photo: South side of lot looking North down the lot. Shows rocky terrain. Photo taken by: Jason Sterling �' tea s r '&is -� - i �'6C"'r re�ca "A ,v �� c taT •r S1 r -�' f , r .� .sy ._ t�'a:3 e ' rye `S 'x4 nr-. �'y1 7'A` ''� '',. r t .,-. z s. 3 #i^ ay A.- ,� r, - � -ro r,may, a•.'' . f ,•Yn kT J _ ��"h � � ^"- A A'' .' ` y� f (: • f,��` �•��x ��� ,�. 04 Y r6+r.a ` -.! :{ i • �. _j ass x..t, c. _ 414 f " -'�!a` '�` 1 fR �t.Itic a'7t ir *,,.... ,T xr..e.,,, --7,r,"4., ''it— , J,..• X. P x - Y' .•'74' 4 4444 -4/.4k ' .,..,›4. 1 .. • -,,. ,.- '4 f ' r- - . t'41 E4 t J{ y q ;.ice ,:„,,,, 6 3 _3 4 Y 2 £ 9R# �a { �� r"?Y` ar i•'d!t R 9 J 7 i, 5 R'•••I t.4 1 / .�4 ,,,, i � � T 1 r � "� � Y'���y�Y,3t9 r � 4. ‘74 14i�•''tv �'� �9-'�� a- s��tf �"��"r�a� �Fa 5� <�'i „TAN ° �' �, �fi�•- � s�"'� 'y � )�rr.� " �. l ��'•�� -� '{`v co tit ? "0,- V ? 1: Y 1. ¢ ' "i 4'� •' 6 s i 9$ ,- �`�7�Y i�v+ ,4. r i ' `7:n d p a, � s ,1g4 l 4.. -s . '' "r"' i: rl�" r!- V.47sa r , Y. ? y�� I N }h J 4° $ '4✓r 1, ,-' t-Ntl .,', 'd,':, �. ;vn. =y. ;'P p ,, Y .l' 4 6f s ,y_. :9'>,, F.�' Y ,,_,,,,,I, I,.p'� _ .., ',,.:r 4' 'n�a` '_ .: it d� . • l� �*s.- � � ¢ �a tk - � n •�4:�i 'c �4r qe d ''°5 � hvs ,',i tom, lz �' % k° - '. ;-•'--� y`�, J'' c J, ,•W t -a� SNt 3 ^ ,qi-. l bf^ .1 ` M f `.'It ti. ''-« 1 i -e,,--'-\ ,Nli'‘,..# 4',,,,,ris:',-,Is-'15'Wg,—.41, . ''''- 1.,:z-ii",„'',',-, 4'e--' '','''gt'- _t _.7,„,, ,... ....c.. ,fil „Lai, � '; L d� (tk E r4rq��c 1a yl - r Location: West side of lot looking at driveway entrance/frontage Description of the photo: West side of lot looking at driveway entrance/frontage Photo taken by: Jason Sterling i' k -a.M_, h g. f� '# ='wee.,,y. rya t i '7 ., .?iz „gar 4•� +P & .�, is - "" ' -1 } •tea. ,�,� ,�°' rb b - � � x � l` kN,��`3� .:..�14,44eir,''•irx � .., � • .,' r. t , �4r '� f d� lea a a irk '` - s �, w ' �`,. "i i y a1 I; `" L $- x+ P rr Y It°. : ,•'s , _ /7y • 1 0.�R, 4 c', 1, `fi -eTk !T. Y:. crs� ?ram S,y, r�,•i ' ¥.. ,xr�t a' t f` t ,'MO 6t.. )' t tl; ioa .ar t _,( 7, .tom rS�+e " d) r k d,, ° y 'f - ' : � l' `'t. 'y, 'ry 'h v1t, �`.,} r" ., .r .4 x t„:irrh s.0 4,I,.$�a6+k"7` , 1 a,i, s a �� 4F411 ,VYs '.c` �., 0 G P +. M a'�� � �h �, t k flf I i,_{�a I.�,1! d t - � W r II � � -' L �I V � ��i t>,<, Leh'. x py 5�� a I �"- e. .�{.r = ..-_ _ -_ 'e--- 7�` F,- p' - r f e 0. , ,, 1e '3' k r •7 �� i �' 7 i ti ri,,,,_.:rrt:,:,,,,rjklq),Iiii, ,:,,,,l',1° � 'r �}�i 1� to�fi�.'U � z s'"'�jys�s 14 rypk y��� c� t� �� • ti; ¢Gr , ,,, :' 4 •., Z f ,e'firms �,�J s a_ fi`-vr r�r �"_ "'.': � Y 'p t huh Y rt w aJ // r K f \• fi �� '��� � r;�� ^.\ r - - � \�~F l�. '�!i'h�X� �\_,��YI�'F�' �"4 t .'�'SRk! �4�'7' .iMfiF v � A�y�- '?:. `� 'may--• ._'. `, r� 8 0.4',`.Fa� rF2 z Pnif� e \'C._! A:, Location: Mid West side of lot looking East Description of the photo: Majority 0. .ot is rock Photo taken by: Jason Sterling :--- ro✓ jbS. i.».C•F h �f'h '� 5 x" a �/ - ,, ;r il " 34,E_. i i,y, P, . -•*"" '''''' aj'',,r:',,,,,,,)',.74:: 11,-":":' ....,, ,, ^� 5{ is �, K,�..,. g. .r r e *-,Ito' , 'tfi '� -, Ysd., M a4,, `� " ate. -S .g 1 '�- -'\1r'bk � �z 'K�4+ i' �`� t� `"� F�� k ^, r a�arr `my y, •$kby �._ Asp�� ,la,' x:- 4� A r %' � _.. �� '€ '` k �'" ? `�J\ �` '. - " e.e,.•\x_�. � "� �. � y6y^i � �� 5s. �s �C 'tom _ `� , tl� �}; k . , '' '4 � vim` �r lit. '� _ ,..,,or". x �'`�,.-' "a lF L �,--,r k'; v '.., " cr ,t,. h:� 4 4 k2� ' ME wry _,� r ✓ "4fi: v. ..r ., .. a"1‘7.-.z. ,,,4-. Y 4 m'ti ` k �r T8 .+ s t 411 �1R T ,'. r m t ° ' t-A. .# ;`,k k i^,.v� a xc „ `4 s3:9_ t'F K ''_, \'i"L'A, 1),'. .Z 7‘'' y _- r 5 e s �v�: h $� � '+k '��' iR � gyp,,;- `t 4 - „ � _ }- d e'et - ''%ye .��� "A' y f nip• - ' -.�_ f rF ' s ,e , *-* ° �� ,� '.V �'t a5�`t ,�y .�`�t \ 6 'e M ��� .F � e�,ri 3CPPt .‘",... 1, 41116.,f__ ' •'''-."0')it •,-;,,..*&,-. , • Location: South side of lot looking at ground to the West Description of the photo: Majority of lot is rock, South side of lot is a rock face. Photo taken by: Jason Sterling