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HomeMy WebLinkAboutD_Critical_Areas_Exemption_20230612DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT PLANNING DIVISION CERTIFICATE OF EXEMPTION FROM CRITICAL AREAS REGULATIONS EVALUATION FORM & DECISION DATE: June 12, 2023 PROJECT NUMBER: LUA18-000678 PROJECT NAME: Thunder Hills Sewer Interceptor Rehabilitation PROJECT MANAGER: Jill Ding, Senior Planner APPLICANT/CONTACT: Jesse Newman, City of Renton, 6th floor, 1055 S Grady Way, Renton, WA 98057 PROJECT LOCATION: Gated site entrance at Grant Ave S and S 18th St and runs the length of Thunder Hills Creek north just up to before it goes under I-405 PROJECT DESCRIPTION: The applicant is requesting a Critical Areas Exemption for improvements to approximately 2,050 lineal feet of sewer main. The sewer line would be improved through a mix of parallel HDPE pipelines and rehabilitation of the existing line using a cured-in-place lining technology. In addition, improvements are proposed to the 37,574square foot maintenance access road and slope stability measures are proposed to alleviate erosion in the future. The project site includes sensitive and protected slopes, Thunder Hills Creek, a type Np stream with a 75-foot buffer, and seven tributary streams, all classified as Type Ns streams with 50-foot buffers. There are six wetlands (Wetlands A-F). Of the six wetlands, four (Wetlands B, D, E, and F) would have a standard buffer of 100 feet, Wetland A would have a standard buffer of 75 feet, and Wetland C would have a standard buffer of 50 feet. The proposal would include 20,703 square feet of temporary wetland and stream buffer impacts, 1,332 square feet of wetland impacts (Wetland E and F), and 41,000 square feet permanent buffer impacts including the removal of 36 trees. The project site includes RM-F and R-8 zoning designations. Access to the site would be provided via a gated entrance off of Grant Ave S and S 18th St as well as an existing entrance at the cleared PSE easement access along S 18th St. The existing maintenance access road totals 27,780 square feet, the proposed improvements would result in approximately 1,000 square feet of impacts or a four percent (4%) increase in area within the protected slope areas. The impacts to the stream buffer would largely be confined to the existing maintenance access road and would be temporary in nature. Wetland DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 City of Renton Department of Community & Economic Development Certificate of Exemption from Critical Areas Regulations Thunder Hills Sewer Interceptor Rehabilitation LUA18-000678 DATE OF PERMIT: June 12, 2023 Page 2 of 4 impacts are proposed to be mitigated in accordance with the mitigation requirements outlined in RMC 4-3-050L as may be required by other agency permits. CRITICAL AREA: Protected slopes, sensitive slopes, wetlands and streams. EXEMPTION JUSTIFICATION: Renton Municipal Code (RMC) 4-3-050 Critical Areas Regulations Subsections C.3.e.ii Normal and routine maintenance, operation and repair of existing parks and trails, or the construction of new trails, streets, roads, rights -of-way and associated appurtenances, facilities and utilities where no alteration or additional fill materials will be placed other than the minimum alteration and/or fill needed to restore those facilities or to construct new trails to meet established safety standards. The use of heavy construction equipment shall be limited to utilities and public agencies that require this type of equipment for normal and routine maintenance and repair of existing utility structures and rights-of-way. In every case, critical area and required buffer impacts shall be minimized and disturbed areas shall be restored during and immediately after the use of construction equipment. And C.3.e.iv Modification of Existing Utilities and Streets by Ten Percent (10%) or Less. Staff Comment: As discussed in the attached Environmental Review Committee Report (ERC Report), the submitted Geotechnical Report included recommendations to reduce the potential for landslide activity in the future. The recommended measures included gravity retaining walls or rock buttresses to support the access roadway. The majority of the work in and adjacent to protected slopes would occur within the existing maintenance access road corridor, with the addition of some slope stabilization measures as discussed above. The work proposed would qualify as an exemption to the Critical Areas Regulations, as the work proposed is not anticipated to result in an expansion of the maintenance access road corridor by more than 10 percent, see RMC 4-3-050C.3. The existing Thunder Hills sewer interceptor and maintenance road are located parallel to Thunder Hills creek and are within wetland, stream, and associated buffer areas. Construction associated with the proposed sewer interceptor rehabilitation will result in some disturbance to streams, wetlands, and their associated buffers. Impacts from proposed project activities include temporary impacts from construction, direct wetland impacts f rom access road improvements, and impacts to the combined wetland/stream buffers from access. The sewer interceptor rehabilitation work itself does not include in -water work and would not result in adverse stream impacts. The proposed work would include maintenance to an existing utility and access maintenance road and would be exempt from the City’s Critical Areas Regulations, provided critical area and buffer impacts are minimized and disturbed areas area restored. As discussed in the attached ERC Report, the impacts to wetlands, wetland buffer, and stream buffer would be minimized and unavoidable impacts are proposed to be mitigated in accordance with RMC 4-3-050L. While the proposed project would be exempt from the City’s DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 City of Renton Department of Community & Economic Development Certificate of Exemption from Critical Areas Regulations Thunder Hills Sewer Interceptor Rehabilitation LUA18-000678 DATE OF PERMIT: June 12, 2023 Page 3 of 4 Critical Areas Regulations, other permitting agencies may require mitigation subject to their requirements. FINDINGS: The proposed development is consistent with the following findings pursuant to RMC section 4-3-050C.2.d: i. The activity is not prohibited by this or any other provision of the Renton Municipal Code or State or Federal law or regulation; Staff Comment: The proposed work is not prohibited by the Renton Municipal Code or any other law or regulation. ii. The activity will be conducted using best management practices as specified by industry standards or applicable Federal agencies or scientific principles; Staff Comment: The proposed work would be conducted utilitzing best management practices. iii. Impacts are minimized and, where applicable, disturbed areas are immediately restored; Staff Comment: As discussed above, the proposed impacts to critical areas would be minimized by the design of the project and disturbed areas would be restored and or mitigated according. iv. Where water body or buffer disturbance has occurred in accordance with an exemption during construction or other activities, revegetation with native vegetation shall be required; Staff Comment: As proposed in the submitted mitigation plan the pro posed mitigation plantings would include native vegetation. v. If a hazardous material, activity, and/or facility that is exempt pursuant to this Section has a significant or substantial potential to degrade groundwater quality, then the Administrator may require compliance with the Wellhead Protection Area requirements of this Section otherwise relevant to that hazardous material, activity, and/or facility. Such determinations will be based upon site and/or chemical -specific data. Staff Comment: The proposed work would not be within a Wellhead Protection Area and is not anticipated to adversely impact groundwater. DECISION: An exemption from the critical areas regulations is Approved. SIGNATURE AND DATE OF DECISION: ______________________________________________________ __________________ VANESSA DOLBEE, Planning Director Date DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 for 6/12/2023 | 4:33 PM PDT City of Renton Department of Community & Economic Development Certificate of Exemption from Critical Areas Regulations Thunder Hills Sewer Interceptor Rehabilitation LUA18-000678 DATE OF PERMIT: June 12, 2023 Page 4 of 4 The administrative land use decision will become final if the decision is not appeal ed within 14 days of the decision date. APPEAL: This administrative land use decision will become final if not appealed in writing to the Hearing Examiner on or before 5:00 PM on June 26, 2023. An appeal of the decision must be filed within the 14-day appeal period (RCW 43.21.C.075(3); WAC 197 -11-680). Appeals must be submitted electronically to the City Clerk at cityclerk@rentonwa.gov or delivered to City Hall 1st floor Lobby Hub Monday through Friday. The appeal fee, normally due at the time an appeal is submitted, will be collected at a future date if your appeal is submitted electronically. The appeal submitted in person may be pai d on the first floor in our Finance Department. Appeals to the Hearing Examiner are governed by RMC 4-8-110 and additional information regarding the appeal process may be obtained from the City Clerk’s Office, cityclerk@rentonwa.gov. RECONSIDERATION: Within 14 days of the decision date, any party may request that the decision be reopened by the approval body. The approval body may modify his decision if material evidence not readily discoverable prior to the original decision is found or if he finds there was misrepresentation of fact. After review of the reconsideration request, if the approval body finds sufficient evidence to amend the original decision, there will be no further extension of the appeal period. Any person wishing to take further acti on must file a formal appeal within the 14-day appeal time frame. EXPIRATION: Five (5) years from the date of decision (date signed). Attachments: ERC Report and Exhibits, Plan Set DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT Project Location Map SR_ERC Report_Thunder Hills_181217 ENVIRONMENTAL REVIEW COMMITTEE REPORT ERC Meeting Date: December 17, 2018 Project File Number: PR18-000551 Project Name: Thunder Hills Sewer Interceptor Rehabilitation Land Use File Number: LUA18-000678, ECF Project Manager: Jill Ding, Senior Planner Owner: Various, see Exhibit 6 Applicant/Contact: Dave Christensen, City of Renton, 1055 S Grady Way, 6th Floor, Renton, WA 98057 Project Location: Gated site entrance at Grant Ave S and S 18th Street and runs the length of Thunder Hills Creek north just up to before it goes under I-405. Project Summary: The applicant is requesting Environmental (SEPA) Review for improvements to approximately 2,050 lineal feet of sewer main. The sewer line would be improved through a mix of parallel HDPE pipelines and rehabilitation of the existing line using a cured-in-place lining technology. In addition, improvements are proposed to the 37,574 square foot maintenance access road and slope stability measures are proposed to alleviate erosion in the future. The project site includes Thunder Hills Creek, a type Np stream with a 75-foot buffer, and seven tributary streams, all classified as Type Ns streams with 50-foot buffers. There are six wetlands (Wetlands A-F). Of the six wetlands, four (Wetlands B, D, E, and F) would have a standard buffer of 100 feet, Wetland A would have a standard buffer of 75 feet, and Wetland C would have a standard buffer of 50 feet. The proposal would include 20,703 square feet of temporary wetland and stream buffer impacts, 1,332 square feet of wetland impacts (Wetland E and F), and 41,000 permanent buffer impacts including the removal of 36 trees. The project site includes RM-F and R-8 zoning designations. Access to the site would be provided via a gated entrance off of Grant Ave S and S 18th St as well as an existing entrance at the cleared PSE easement access along S 18th St. Exist. Bldg. Area SF: N/A Proposed New Bldg. Area (footprint): Proposed New Bldg. Area (gross): N/A N/A Site Area: 95,121 sq. ft. Total Building Area GSF: N/A STAFF RECOMMENDATION: Staff Recommends that the Environmental Review Committee issue a Determination of Non-Significance - Mitigated (DNS-M). DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 City of Renton Department of Community & Economic Development Thunder Hills Sewer Interceptor Rehabilitation Staff Report to the Environmental Review Committee LUA18-000678, ECF Report of December 17, 2018 Page 2 of 5 SR_ERC Report_Thunder Hills_181217 ENVIRONMENTAL REVIEW In compliance with RCW 43.21C.240, the following environmental (SEPA) review addresses only those project impacts that are not adequately addressed under existing development standards and environmental regulations. A. Environmental Threshold Recommendation Based on analysis of probable impacts from the proposal, staff recommends that the Responsible Officials: Issue a DNS-M with a 14-day Appeal Period. B. Mitigation Measures 1. Project construction shall comply with the recommendations outlined in the Geotechnical Report, prepared by Stantec, dated February 13, 2015. C. Exhibits Exhibit 1: Environmental Review Committee (ERC) Report Exhibit 2: Geotechnical Report, prepared by Stantec, dated February 13, 2015 Exhibit 3: Critical Areas Report, prepared by The Watershed Company, dated April 2018 Exhibit 4: Drainage Review Memo, prepared by Stantec, dated October 2, 2018 Exhibit 5: Civil Construction Plans Exhibit 6: Thunder Hills PID List and Addresses Exhibit 7: Advisory Notes D. Environmental Impacts The Proposal was circulated and reviewed by various City Departments and Divisions to determine whether the applicant has adequately identified and addressed environmental impacts anticipated to occur in conjunction with the proposed development. Staff reviewers have identified that the proposal is likely to have the following probable impacts: 1. Earth Impacts: A Geotechnical Report, prepared by Stantec, dated February 13, 2015 (Exhibit 2) was submitted with the project application materials. Subsurface explorations were conducted and included four (4) hollow stem auger borings that extended 5 to 25 feet below existing grade. Disturbed soil samples were obtained by using a 140-pound hammer free falling a vertical distance of 30 inches for the borings. Within Boring B-1 approximately 6 inches of topsoil and vegetation were encountered underlain by approximately 5 feet of medium dense to dense, silty-fine to medium grained sand with variable amounts of gravel and debris (fill). This layer was underlain by stiff to very stiff silt with variable amounts of sand and woody debris (fill). The silt layer was underlain by stiff silt with variable amounts of sand, gravel, and trace amounts of woody debris (Highly Weathered Renton Formation). These materials were underlain by medium dense, silty-sand with clasts of weathered sandstone (Weathered Renton Formation), which continued to the termination depth of the boring. In Borings B-2 and B-3, approximately 10 to 12 inches of vegetation and topsoil were encountered, underlain by approximately 5 feet of medium dense, silty-fine to medium grained sand with variable amounts of gravel (fill). This layer was underlain by dense to very dense, silty-fine to medium grained sand with variable amounts of gravel (Glacial Till), which continued to the termination depths of the borings. DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 City of Renton Department of Community & Economic Development Thunder Hills Sewer Interceptor Rehabilitation Staff Report to the Environmental Review Committee LUA18-000678, ECF Report of December 17, 2018 Page 3 of 5 SR_ERC Report_Thunder Hills_181217 In Boring B-4 approximately 8 inches of angular rock was encountered, underlain by approximately 4 feet of loose to medium dense, silty-fine to medium grained sand with variable amounts of gravel (fill). This layer was underlain by hard sandstone (Renton Formation), which continued to the termination depth of the boring. Groundwater was encountered in Boring B-4 at approximately 4.5 feet below grade. Groundwater was not encountered in any other boring locations. The Geotechnical Report (Exhibit 2) included recommendations to reduce the potential for landslide activity in the future. The recommended measures included gravity retaining walls or rock buttresses between the access roadway and stream as well as in the vicinity of Station 4+70 to 5+40 to support the access roadway. The report mentions that some walls may be over 8 feet in height, which would exceed the maximum permitted retaining wall height of 6 feet within residential zones. Any proposal to exceed the maximum 6-foot height for retaining walls would require a modification (see RMC 4-9-250D). According to the applicant the majority of the work in and adjacent to protected slopes would occur within the existing maintenance access road corridor, with the addition of some slope stabilization measures as discussed above. The work proposed would qualify as an exemption to the Critical Areas Regulations, as the work proposed is not anticipated to result in an expansion of the maintenance access road corridor by more than 10 percent, see RMC 4-3-050C.3. Based on the work proposed and the potential impacts to sensitive and protected slope areas in Proximity to Thunder Hills Creek and other stream and wetland areas, staff recommends as a SEPA mitigation measure that project construction be required to comply with the recommendations outlined in the Geotechnical Report, prepared by Stantec, dated February 13, 2015. Mitigation Measures: Project construction shall comply with the recommendations outlined in the Geotechnical Report, prepared by Stantec, dated February 13, 2015 Nexus: SEPA Environmental Regulations. 2. Water a. Wetlands and Streams Impacts: The applicant submitted a Critical Areas Report, prepared by The Watershed Company, dated April 2018 (Exhibit 3). Thunder Hills Creek, which is classified as a Type Np stream with a standard buffer of 75 feet flows through the project site. In addition, there are 7 tributaries to Thunder Hills Creek within the project area, all have been classified as Type Ns streams with standard buffers of 50 feet. Six wetlands (Wetlands A-F) have been classified and delineated on the project site. Wetlands A, B, and D-F have been classified as Category III wetlands, Wetland C has been classified as a Category IV wetland. Due to a lower habitat score, Wetland A would have a standard buffer of 75 feet, Wetlands B and D-F have higher habitat scores and would have standard 100-foot buffers and Wetland C would have a standard 50-foot buffer. The existing Thunder Hills sewer interceptor and maintenance road are located parallel to Thunder Hills creek and are within wetland, stream, and associated buffer areas. Construction associated with the proposed sewer interceptor rehabilitation will result in some disturbance to streams, wetlands, and their associated buffers. Impacts from proposed project activities include temporary impacts from construction, direct wetland impacts from access road improvements, and impacts to the combined wetland/stream buffers from access. The sewer interceptor rehabilitation work itself does not include in-water work and would not result in adverse stream impacts. Temporary combined wetland and stream buffer impacts will occur adjacent to the access roads throughout the project area, for a total of 20,703 square feet. Direct wetland impacts include DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 City of Renton Department of Community & Economic Development Thunder Hills Sewer Interceptor Rehabilitation Staff Report to the Environmental Review Committee LUA18-000678, ECF Report of December 17, 2018 Page 4 of 5 SR_ERC Report_Thunder Hills_181217 placement of a gravel access road within Wetland F, and construction of a new gravel turnaround that extends partially into Wetland E at the southernmost extent of the project area. These direct wetland impacts total 1,332 square feet. Permanent wetland and stream buffer impacts would occur as a result of the improvements to the maintenance access road. To reduced and mitigate for impacts to streams, wetlands, and associated buffer areas CIPP technologies will be used, where the sewer line crosses the stream, for sewer rehabilitation in order to ensure no direct stream impacts. Temporary impacts would be mitigated on-site. Permanent buffer impacts will be mitigated on-site at a one-to-one ratio (for a total of 42,945 square feet) through buffer enhancement, while permanent wetland impacts will be mitigated through purchase of credits from the City of Renton’s Springbrook Creek mitigation bank. Additionally, large wood would be installed in the creek bed to enhance fish habitat should fish use be restored in the future. It is anticipated that all impacts to wetlands, streams, and associated buffer areas would be addressed and mitigated through the City’s adopted Critical Areas Regulations (RMC 4-3-050) and would be reviewed through the Construction Permit process; therefore no further mitigation is recommended at this time. Mitigation Measures: None recommended. Nexus: N/A b. Storm Water Impacts: The applicant submitted a Drainage Review Memo, prepared by Stantec, dated October 2, 2018 (Exhibit 4). The project is vested to the requirements of the 2009 King County Surface Water Design Manual, as a complete Construction Permit application was submitted prior to the adoption of the 2017 City of Renton Surface Water Design Manual. The memo concludes that the activities proposed would meet the definition of maintenance under the 2009 King County Surface Water Design Manual and would therefore be exempt from drainage review. Mitigation Measures: None recommended. Nexus: N/A 3. Vegetation Impacts: Vegetation would be removed from the improved maintenance access road/trail areas, at the turnaround areas, and along the maintenance access road. Most of the vegetation to be removed consists of ivy, blackberries, ferns, salal, grasses and other shrubs. Additionally, 40 trees, that are located directly in grading or maintenance access path areas are proposed to be removed. Approximately 0.9 acres of vegetation will be removed throughout the project area. However, temporary and permanent impacts to wetland and stream buffers will be mitigated on site and would include the planting of various native groundcover, shrubs, and 124 trees, resulting in approximately 42,945 sf of buffer mitigation through vegetation re-planting. Mitigation Measures: No further mitigation is recommended. Nexus: N/A E. Comments of Reviewing Departments The proposal has been circulated to City Department and Division Reviewers. Where applicable, their comments have been incorporated into the text of this report and/or “Advisory Notes to Applicant.”  Copies of all Review Comments are contained in the Official File and may be attached to this report. The Environmental Determination decision will become final if the decision is not appealed within the 14-day appeal period (RCW 43.21.C.075(3); WAC 197-11-680). DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 City of Renton Department of Community & Economic Development Thunder Hills Sewer Interceptor Rehabilitation Staff Report to the Environmental Review Committee LUA18-000678, ECF Report of December 17, 2018 Page 5 of 5 SR_ERC Report_Thunder Hills_181217 Environmental Determination Appeal Process: Appeals of the environmental determination must be filed in writing together with the required fee to: Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA 98057, on or before 5:00 p.m. on January 4, 2019. RMC 4-8-110 governs appeals to the Hearing Examiner and additional information regarding the appeal process may be obtained from the City Clerk’s Office, Renton City Hall – 7th Floor, (425) 430-6510. DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 CITY OF RENTON DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT STAFF REPORT TO THE ENVIRONMENTAL REVIEW COMMITTEE EXHIBITS Project Name: Thunder Hills Sewer Interceptor Rehabilitation Land Use File Number: LUA18-000678, ECF Date of Meeting December 17, 2018 Staff Contact Jill Ding Senior Planner Project Contact/Applicant Dave Christensen City of Renton 1055 S Grady Way, 6th Floor, Renton, WA 98057 Project Location Gated site entrance at Grant Ave S and S 18th Street and runs the length of Thunder Hills Creek north just up to before it goes under I-405. The following exhibits are included with the ERC Report: Exhibit 1: Environmental Review Committee (ERC) Report Exhibit 2: Geotechnical Report, prepared by Stantec, dated February 13, 2015 Exhibit 3: Critical Areas Report, prepared by The Watershed Company, dated April 2018 Exhibit 4: Drainage Review Memo, prepared by Stantec, dated October 2, 2018 Exhibit 5: Civil Construction Plans Exhibit 6: Thunder Hills PID List and Addresses Exhibit 7: Advisory Notes DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 CITY OF RENTON Technical Memorandum No. 4 Geotechnical Investigation Thunder Hills Sewer Interceptor February 13, 2015 Prepared By: Phil A. Haberman, P.G., P.E.G. Senior Engineering Geologist Gopal A. Singam, P.E. Senior Geotechnical Engineer Stantec Consulting Services Inc. 11130 NE 33rd Place Suite 200 Bellevue, WA 98004 425.869.9448 RECEIVED 11/15/2018 jding PLANNING DIVISION EXHIBIT 2 Entire Document Available in Laserfiche Submittals Folder DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 C RITICAL A REAS R EPORT THUNDER HILLS SANITARY SEWER LINE – RENTON, WA Prepared for: Stantec Consulting Services Inc. 11130 NE 33rd Place Suite 200 Bellevue, WA 98004 Prepared by: April 2018 RECEIVED 11/15/2018 jding PLANNING DIVISION EXHIBIT 3 Entire Document Available in Laserfiche Submittals Folder DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 RECEIVED 11/15/2018 jding PLANNING DIVISION EXHIBIT 4 DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 VICINITY MAPCITY OF RENTONNTSEXACT SIZE, TYPE, LOCATION OR DEPTH.BURIED UTILITIES IN AREACALL BEFORE YOU DIGEXISTING UTILITIES SHOWN ARE FROMTHE BEST AVAILABLE INFORMATION ANDNO GUARANTEE IS MADE AS TO THE 1-800-424-5555RECEIVED11/15/2018 jdingPLANNING DIVISIONEXHIBIT 5Entire DocumentAvailable in Laserfiche Submittals FolderDocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1   Property Owners and Addresses  Puget Sound Energy  P.O. Box 97034  Bellevue, WA 98009  Phone: 425‐456‐2575  Woodcliffe Apartments c/o Thomson Reuters  2235 Faraday Avenue Suite #0  Carlsbad, CA 92088  760‐603‐1660    Berkshire Seattle Apartments, LLC  C/O MIG Real Estate LLC  660 Newport Center Drive #1300  Newport Beach, CA 92660  Phone: 949‐474‐5800  Regency Woods Apartments  1200 S 18th St  Renton, WA 98055  King County Assessor’s Account Numbers:  0007200048, 0007200192, 2023059005, 2023059010, 2023059012, 2023059013, 2023059050,  2023059070, 2023059084, 2023059088, 2023059111, 2023059112, 2023059113, 2023059114,  2023059116, 2023059155, 8644120000  RECEIVED 11/15/2018 jding PLANNING DIVISION EXHIBIT 6 DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT Page 1 of 2 LUA18-000678 ADVISORY NOTES TO APPLICANT The following notes are supplemental information provided in conjunction with the administrative land use action. Because these notes are provided as information only, they are not subject to the appeal process for the land use action. Planning: (Contact: Name, 425-430-6598, jding@rentonwa.gov) 1. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 pm, Monday through Friday unless otherwise approved by the Development Services Division. 2. Commercial, multi-family, new single family and other nonresidential construction activities shall be restricted to the hours between seven o’clock (7:00) a.m. and eight o’clock (8:00) p.m., Monday through Friday. Work on Saturdays shall be restricted to the hours between nine o’clock (9:00) a.m. and eight o’clock (8:00) p.m. No work shall be permitted on Sundays. 3. Within thirty (30) days of completion of grading work, the applicant shall hydroseed or plant an appropriate ground cover over any portion of the site that is graded or cleared of vegetation and where no further construction work will occur within ninety (90) days. Alternative measures such as mulch, sodding, or plastic covering as specified in the current King County Surface Water Management Design Manual as adopted by the City of Renton may be proposed between the dates of November 1st and March 31st of each year. The Development Services Division’s approval of this work is required prior to final inspection and approval of the permit. 4. A National Permit Discharge Elimination System (NPDES) permit is required when more than one acre is being cleared. 5. The applicant will be required to submit a Final Stream Mitigation Report and Maintenance and Monitoring proposal. In addition, the applicant will be required to comply with all the code requirements of RMC 4-3-050 Critical Areas. This includes, but is not limited to, providing the City with a site restoration surety device and, later, a maintenance and monitoring surety device. 6. The applicant may not fill, excavate, stack or store any equipment, dispose of any materials, supplies or fluids, operate any equipment, install impervious surfaces, or compact the earth in any way within the area defined by the drip line of any tree to be retained. 7. Retaining walls over 4 feet in height require a building permit. Any retaining walls proposed over 6 feet in height require the approval of a Modification in accordance with RMC 4-9-250D. 8. This permit is shall comply with the Bald and Golden Eagle Protection Act. The permitted is responsible for adhering to the U.S. Fish and Wildlife Service National Bald Eagle Management Guidelines (2007) and /or your U.S. Fish and Wildlife Service permit. Development Engineering: (Contact: Name, 425-430-7382, afowler@rentonwa.gov) 1. See Attached Development Engineering Memo dated December 7, 2018 Fire Authority: (Contact: Corey Thomas, 425-430-7024, cthomas@rentonwa.gov) 1. None Technical Services: (Contact: Amanda Askren, 425-430-7369, aaskren@rentonwa.gov) EXHIBIT 7 DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 ADVISORY NOTES TO APPLICANT Page 2 of 2 LUA18-000678 1. Easements documents to be reviewed upon consultant completion. Comments will be provided prior to recording of said easement documents. Community Services: (Contact: Leslie Betlach, 425-430-6619, lbetlach@rentonwa.gov) 1. None Police: (Contact: Cyndie Parks, 425-430-7521, cparks@rentonwa.gov) 1. None Building: (Contact: Craig Burnell, 425-430-7290, cburnell@rentonwa.gov) 1. None DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT M E M O R A N D U M DATE: December 7, 2018 TO:Jill Ding, Planner FROM:Ann Fowler, Civil Plan Reviewer SUBJECT: Utility and Transportation Comments for Thunder Hills Sewer Interceptor Rehabilitation Thunder Hills Creek from Grant Ave S/S 18th Street to I-405 LUA18-000551 I have reviewed the application for the Thunder Hills Sewer Interceptor Rehabilitation at Thunder Hills Creek from Grant Ave S/S 18th Street to I-405 and have the following comments: EXISTING CONDITIONS The site is approximately 2.18 acres in size and is irregular in shape. The site consists of an existing sewer interceptor alignment through the Thunder Hills Creek valley along with a gravel improved access roadway located adjacent to the existing stream. CODE REQUIREMENTS SURFACE WATER 1. A geotechnical report, dated February 13, 2015, completed by Stantec, for the site has been provided. The submitted report describes the site is a Severe Erosion Hazard area. Erosion control measures will need to be in place prior to starting grading activities on the site. Geotechnical recommendations presented need to be address within the project plans. 2. Temporary erosion and sediment control plans are required and shall be in accordance with the City of Renton Surfacewater Design Manual. 3. A Construction Stormwater General Permit from Department of Ecology will be required since grading and clearing of the site exceeds one acre. 4. A Stormwater Pollution Prevention Plan (SWPPP) is required for the project site and shall be submitted with the Civil Construction Permit Application. 5. Wet Season requirements found in Appendix D of the 2017 City of Renton Surface Water Design Manual (RSWDM) shall be adhered to for construction occurring between October 1st and April 30th. 6. All work proposed outside of the applicant’s property will require a temporary construction easement prior to any permits being issued. TRANSPORTATION DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 Thunder Hills Sewer Interceptor Rehabilitation – LUA18-000551 Page 2 of 2 1. Any work within or affecting traffic within the City right-of-way will require an approved traffic control from the City. 2. Paving and trench restoration shall comply with the City’s Trench Restoration and Overlay Requirements. 3. The right of way shall remain unobstructed when possible. No stockpiles are allowed in the right of way. All truck maneuvering and materials storage shall occur on-site. 4. City streets shall be kept clean at all times and shall be swept in a timely manner. Truck washing and / or other measures as approved by the Public Works Inspector may be required for the duration of the project. 5. Construction hours outside of right of way: 7:00 AM to 8:00 PM Monday thru Friday and 9:00 AM to 8:00 PM on Saturday. Saturday work is by permission only. No work is allowed on Sunday. 6. Construction hours inside of right of way: Follow approved traffic control plan. Saturday work is by permission only. No work is allowed on Sunday. 7. Right of way haul hours: 8:30 AM to 3:30 PM Monday thru Friday. Hauling on Saturday is by permission only. No hauling is allowed on Sunday. GENERAL COMMENTS 1. Maximum exposed retaining wall height is 6-ft in residential zones and 8-ft in commercial zones and shall be setback a minimum of 3-ft from the right-of-way as outlined in RMC 4- 4-040 – Fences, Hedges and Retaining Walls. A modification request is required to exceed the height limitations outlined in City code. 2. A civil construction permit for the utility repairs is required. Civil construction plans shall conform to the City Renton Drafting Standards. A licensed Civil Engineer shall prepare the civil plans. Please visit the City’s website for submittal requirements: https://rentonwa.gov/cms/One.aspx?portalId=7922741&pageId=9687014 3. A landscaping plan shall be included with the civil plan submittal. DocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 VICINITY MAPCITY OF RENTONTHUNDER HILLS SEWER INTERCEPTORREHABILITATIONWWP-27-03921PROJECTLOCATIONNTS1687 114TH Avenue SE, Suite 100Bellevue WA 98004 phone: (425)869-9448 www.stantec.comCITY OF RENTON1055 SOUTH GRADY WAYRENTON, WASHINGTON 98057CONTACT PERSONNELJOHN HOBSON PROJECT MANAGER(425) 430-7279JOE STOWELLWASTEWATER UTILITY(425) 430-7212MANAGER EMERGENCY 911ONE CALL1-800-424-5555SHEET INDEXSheetNumberSheet Title1COVER SHEET2GENERAL NOTES & LEGEND3EXISTING SITE PLAN & TREE REMOVAL STA. 1+00 - 8+204EXISTING SITE PLAN & TREE REMOVAL STA. 8+20 - 15+205EXISTING SITE PLAN & TREE REMOVAL STA. 15+20 - 22+206EXISTING SITE PLAN & TREE REMOVAL STA. 22+20 - 29+207EXISTING SITE PLAN & TREE REMOVAL STA. 29+20 - 31+008EROSION CONTROL PLAN STA. 1+00 - 8+209EROSION CONTROL PLAN STA. 8+20 - 15+2010EROSION CONTROL PLAN STA. 15+20 - 22+2011EROSION CONTROL PLAN STA. 22+20 - 29+2012EROSION CONTROL PLAN STA. 29+20 - 31+0013HORIZONTAL CONTROL STA 1+00 - 4+6014HORIZONTAL CONTROL STA. 4+60 - 8+2015HORIZONTAL CONTROL STA. 8+20 - 11+8016HORIZONTAL CONTROL STA. 11+80 - 15+2017HORIZONTAL CONTROL STA. 15+20 - 18+6018HORIZONTAL CONTROL STA. 18+60 - 22+2019HORIZONTAL CONTROL STA. 22+20 - 25+6020HORIZONTAL CONTROL STA. 25+60 - 29+2021HORIZONTAL CONTROL STA. 29+20 - 31+0022EX. ACCESS IMPROVEMENTS STA. 1+80 - 4+6023EX. ACCESS IMPROVEMENTS STA. 4+60 - 8+2024EX. ACCESS IMPROVEMENTS STA. 8+20 - 11+8025EX. ACCESS IMPROVEMENTS STA. 11+80 - 15+2026EX. ACCESS IMPROVEMENTS STA. 15+20 - 18+6027EX. ACCESS IMPROVEMENTS STA. 18+60 - 22+2028EX. ACCESS IMPROVEMENTS STA. 22+20 - 25+6029EX. ACCESS IMPROVEMENTS STA. 25+60 - 29+2030EX. ACCESS IMPROVEMENTS STA. 29+20 - 31+0031SEWER PLAN AND PROFILE STA 1+00 - 4+6032SEWER PLAN AND PROFILESTA. 4+60 - 8+2033SEWER PLAN AND PROFILE STA. 8+20 - 11+8034SEWER PLAN AND PROFILE STA. 11+80 - 15+2035SEWER PLAN AND PROFILE STA. 15+20 - 18+6036SEWER PLAN AND PROFILE STA. 18+60 - 22+2037SEWER PLAN AND PROFILE STA. 22+20 - 25+6038SEWER PLAN AND PROFILE STA. 25+60 - 29+2039SEWER PLAN AND PROFILE STA. 29+20 - 31+0040GRAVEL PATH CROSS-SECTIONS STA. 1+00 - 4+5041GRAVEL PATH CROSS-SECTIONS STA. 5+00 - 7+5042GRAVEL PATH CROSS-SECTIONS STA. 8+00 - 11+0043GRAVEL PATH CROSS-SECTIONS STA. 11+50 - 13+0044GRAVEL PATH CROSS-SECTIONS STA. 13+50 - 16+0045GRAVEL PATH CROSS-SECTIONS STA. 16+50 - 20+0046GRAVEL PATH CROSS-SECTIONS STA. 20+20 - 24+5047GRAVEL PATH CROSS-SECTIONS STA. 25+00 - 28+5048GRAVEL PATH CROSS-SECTIONS STA. 29+00 - 30+5049TESC DETAILS50TESC DETAILS51TESC DETAILS52CITY STANDARD DETAILS53MISCELLANEOUS DETAILSEXACT SIZE, TYPE, LOCATION OR DEPTH.BURIED UTILITIES IN AREACALL BEFORE YOU DIGEXISTING UTILITIES SHOWN ARE FROMTHE BEST AVAILABLE INFORMATION ANDNO GUARANTEE IS MADE AS TO THE 1-800-424-555554W1.0 OF 15 - PROJECT OVERVIEW55W2.0 OF 15 - PLANTING PLAN & LOG PLACEMENT (1 OF 7)56W2.1 OF 15 - PLANTING PLAN & LOG PLACEMENT (2 OF 7)57W2.2 OF 15 - PLANTING PLAN & LOG PLACEMENT (3 OF 7)58W2.3 OF 15 - PLANTING PLAN & LOG PLACEMENT (4 OF 7)59W2.4 OF 15 - PLANTING PLAN & LOG PLACEMENT (5 OF 7)60W2.5 OF 15 - PLANTING PLAN & LOG PLACEMENT (6 OF 7)61W2.6 OF 15 - PLANTING PLAN & LOG PLACEMENT (7 OF 7)62W3.0 OF 15 - PLANT SECHEDULE63W3.1 OF 15 - PLANT NOTES & DETAILS64W4.0 OF 15 - SITE PREPARATION65W5.0 OF 15 - ANCHORED LARGE WOODY DEBRIS PLAN66W5.1 - ANCHORED LARGE WOODY DEBRIS NOTES & DETAILS67W6.0 - TEMPORARY BYPASS PLAN68W7.0 - MITIGATION NOTESCONFORMED SET- 04/11/2023RECEIVED06/05/2023 JDingPLANNING DIVISIONDocuSign Envelope ID: E8F7CAA6-F4AA-4904-9B0C-4885F3F162F1 CONSTRUCTION SEQUENCE1.ATTEND PRE-CONSTRUCTION MEETING AND PERMIT COMPLIANCE MEETING, AS REQUIRED BY PERMIT.2.OBTAIN NOTICE TO PROCEED FROM CITY AND ALL REQUIRED PERMITS BEYOND THOSE PROVIDED BY CITY (SEE SPECIFICATIONS) PRIOR TO COMMENCINGWORK.3.COORDINATE WITH CITY / ENGINEER FOR CONSTRUCTION STAKING. STAKING TO BE PROVIDED BY CONTRACTOR.4.INSTALL PERIMETER PROTECTION, TEMPORARY EROSION AND SEDIMENT CONTROLS, AND BMPS.5.MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH CITY STANDARDS AND THESE PLANS AND SPECIFICATIONS THROUGHOUT THE PROJECT.6.CLEAR, ROUGH GRADE, AND INSTALL PROPOSED WALLS ONSITE7.PROVIDE SEQUENCING PLAN AND SEWAGE BYPASS PUMPING PLAN FOR REVIEW AND ACCEPTANCE BY CITY PRIOR TO PERFORMING INTERCEPTORIMPROVEMENTS.8.PERFORM BYPASS PUMPING, INSTALL OPEN-CUT SEWER AND INSTALL CIPP.9.INSTALL GRAVEL ROAD.10.PERFORM LEAKAGE TESTING AND TELEVISION INSPECTION OF NEW SANITARY SEWER MAIN, AND CIPP MAIN.11.OBTAIN CITY APPROVAL BEFORE TRANSFERRING SEWAGE TO NEW SANITARY SEWER MAIN, AND CIPP MAIN. CONNECT TO EXISTING SANITARY SEWER SYSTEM.12.ABANDON EXISTING SANITARY SEWER FACILITIES AS SHOWN ON PLANS.13.PERFORM FINAL GRADING/PAVING AND SURFACE RESTORATION.14.AFTER ALL DANGER OF EROSION HAS PASSED AND AFTER APPROVAL BY CITY. COORDINATE REMOVAL OR TRANSFER OF TEMPORARY BMPS WITH FOLLOW-UPCONSTRUCTION PROJECTS.15.CONTRACTOR TO PROVIDE FIELD MARK-UP OF PLANS AS CONSTRUCTED.NOTE: THIS IS A POSSIBLE SEQUENCE OF CONSTRUCTION ACTIVITIES. FINAL SEQUENCE SHALL BE DEVELOPED BY CONTRACTOR AND SUBJECT TO REVIEW BYOWNER.SURVEY NOTES:THE SURVEY INFORMATION SHOWN IN THE ATTACHED PLAN HAS BEEN PROVIDED BY STANTEC.SEE: HORIZONTAL CONTROL SHEETSHORIZONTAL CONTROL DATUM:NAD83/91 PER VALUES PUBLISHED FOR CITY OF RENTON CONTROL POINTS 1063 AND 476, CITY OF RENTON SURVEY CONTROL.BENCHMARKS AND VERTICAL CONTROL DATUM:1. CITY OF RENTON CONTROL POINT 2193: TOP OF BRASS DISK IN CONCRETE MONUMENT AT THE INTERSECTION OF S 18TH ST. AND GRANT AVE S.ELEV = 317.58 (NAVD'88)2. CITY OF RENTON CONTROL POINT 1063: TOP OF PUNCH IN BRASS PIN IN CONCRETE MONUMENT IN CASE AT THE INTERSECTION OF S 18TH ST. AND EAGLE RIDGE DRIVE.ELEV = 261.22 (NAVD'88) EXISTING PROPOSEDL E G E N DT.E.S.C1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921GENERAL NOTES & LEGENDEXISTING ACCESS IMPROVEMENTS’ ¾” – ’ – – ” – – – ’’– – – – – – – – – – ” CONFORMED SET- 04/11/2023 SO-DP6 SDSDSDSDSDSDI-405SHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S . MATCH L I N E - S T A . 4 + 6 0 - T H I S S H T . MATCHLINE - STA. 4+60 - THIS SHT. MATCHLINE - STA. 8+20 - SHT. 4 KEY MAPNW 20-23-051687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921EXISTING SITE PLAN & TREE REMOVALSTA. 1+00 - 8+20CONFORMED SET- 04/11/2023 SD///////////////SHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLI N E - S T A . 1 5 + 2 0 - S H T . 5MATCHLINE - STA. 11+80 - THIS SHT.MATCHLINE - STA. 8+20 - SHT. 3 MATCHLINE - STA. 11+80 - THIS SHT.KEY MAPNW 20-23-05EXISTING SITE PLAN & TREE REMOVALSTA. 8+20 - 15+20CONFORMED SET- 04/11/2023 DP2 SHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R IDG E DR . S .1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - ST A . 2 2 + 2 0 - S H T . 6 MATCHLINE - STA. 18+60 - THIS SHT.MATCHLINE - STA. 15+20 - SHT. 4 MAT C H L I N E - S T A . 1 8 + 6 0 - T H I S S H T .KEY MAPNW 20-23-05EXISTING SITE PLAN & TREE REMOVALSTA. 15+20 - 22+20CONFORMED SET- 04/11/2023 XXXXSDSDSD ===========================================S O - D P 1SD //////GRANT AVE SSHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA . 29+20 - SHT . 7MATCHLINE - STA. 25+60 - THIS SHT.MATCHLINE - STA. 25+60 - THIS SHT.MATCHLINE - STA. 22+20 - SHT. 5 KEY MAPNW 20-23-05/SW 20-23-05EXISTING SITE PLAN & TREE REMOVALSTA. 22+20 - 29+20CONFORMED SET- 04/11/2023 X==================================================================================================================================================================XXXXXX//////////////////////////////////////////////////////GRANT AVE SS 18th ST SHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 29+20 - SHT. 6KEY MAPSW 20-23-05EXISTING SITE PLAN & TREE REMOVALSTA. 29+20 - 31+00CONFORMED SET- 04/11/2023 SO-DP6SD SD SD SD SD SD SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S. T.E.S.C. LEGEND: T.E.S.C. NOTE: 1687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921 EROSION CONTROL PLAN STA. 1+00 - 8+20MATCHLINE - STA. 4+60 - THIS SHT.MATCHLINE - STA. 4+60 - THIS SHT.MATCHLINE - STA. 8+20 - SHT. 9KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 SD ///////////////SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S. T.E.S.C. LEGEND: T.E.S.C. NOTE: 1687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921 EROSION CONTROL PLAN STA. 8+20 - 15+20MATCHLINE - STA. 15+20 - SHT. 10MATCHLINE - STA. 11+80 - THIS SHT.MATCHLINE - STA. 8+20 - SHT. 8MATCHLINE - STA. 11+80 - THIS SHT.KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 DP2 SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .T.E.S.C. LEGEND:T.E.S.C. NOTE:1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921EROSION CONTROL PLAN STA. 15+20 - 22+20MATCHLINE - ST A . 2 2 + 2 0 - S H T . 11 MATCHLINE - STA. 18+60 - THIS SHT.MATCHLINE - STA. 15+20 - SHT. 9 MAT C H L I N E - S T A . 1 8 + 6 0 - T H I S S H T .KEY MAPNW 20-23-05CONFORMED SET- 04/11/2023 XXXXS DSDSD PW R ===========================================S O - D P 1SD //////SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R IDG E DR . S .T.E.S.C. LEGEND:T.E.S.C. NOTE:1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921EROSION CONTROL PLAN STA. 22+20 - 29+20MATCHLINE - STA . 29+20 - SHT . 12MATCHLINE - STA. 25+60 - THIS SHT.MATCHLINE - STA. 25+60 - THIS SHT.MATCHLINE - STA. 22+20 - SHT.10 KEY MAPNW 20-23-05/SW 20-23-05CONFORMED SET- 04/11/2023 PWR X==================================================================================================================================================================XXXXXX//////////////////////////////////////////////////////SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R IDG E DR . S .T.E.S.C. LEGEND:T.E.S.C. NOTE:1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921EROSION CONTROL PLAN STA. 29+20 - 31+00MATCHLINE - STA. 29+20 - SHT. 11KEY MAPSW 20-23-05CONFORMED SET- 04/11/2023 60 65 70 75 80 85 90 95 100 105 110 60 65 70 75 80 85 90 95 100 105 110 SO-DP6I - 4 0 5 SH. 13SH. 15SH. 16SH. 19SH. 21S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 14SH. 17SH. 18SH. 2 0 HORIZONTAL CONTROL STA 1+00 - 4+601687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 4+60 - SHT. 14 KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 100 105 110 115 120 125 130 135 140 145 100 105 110 115 120 125 130 135 140 145 120 125 130 135 140 145 150 155 160 165 120 125 130 135 140 145 150 155 160 165 SH. 13SH. 15SH. 16SH. 19SH. 21S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 14SH. 17SH. 18SH. 2 0 MATCHLINE - STA. 4+60 - SHT. 13HORIZONTAL CONTROL STA. 4+60 - 8+201687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 8+20 - SHT. 15KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 135 140 145 150 155 160 165 170 175 180 135 140 145 150 155 160 165 170 175 180 SH. 13SH. 15SH. 16SH. 19SH. 21S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 14SH. 17SH. 18SH. 2 0 1687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 8+20 - SHT. 14MATCHLINE - STA. 11+80 - SHT. 16KEY MAP HORIZONTAL CONTROL STA. 8+20 - 11+80 NW 20-23-05 CONFORMED SET- 04/11/2023 165 170 175 180 185 190 195 200 205 165 170 175 180 185 190 195 200 205 155 160 165 170 175 180 185 190 155 160 165 170 175 180 185 190 SH. 13SH. 15SH. 16SH. 19SH. 21S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 14SH. 17SH. 18SH. 2 0 1687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 15+20 - SHT. 17MATCHLINE - STA. 11+80 - SHT. 15KEY MAP HORIZONTAL CONTROL STA. 11+80 - 15+20 NW 20-23-05 CONFORMED SET- 04/11/2023 180185190195200205210215180185190195200205210215DP2 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 14SH. 17SH. 18SH. 201687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 15+20 - SHT. 16 MAT C H L I N E - S T A . 1 8 + 6 0 - S H T . 18 KEY MAPHORIZONTAL CONTROL STA. 15+20 - 18+60NW 20-23-05CONFORMED SET- 04/11/2023 200205210215220225230235200205210215220225230235SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 14SH. 17SH. 18SH. 201687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - ST A . 2 2 + 2 0 - S H T . 19 MATCHLINE - STA. 18+60 - SHT. 17 KEY MAPHORIZONTAL CONTROL STA. 18+60 - 22+20NW 20-23-05 225230235240245250255260265225230235240245250255260265SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 14SH. 17SH. 18SH. 201687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 25+60 - SHT. 20MATCHLINE - STA. 22+20 - SHT. 18 KEY MAPHORIZONTAL CONTROL STA. 22+20 - 25+60NW 20-23-05/SW 20-23-05CONFORMED SET- 04/11/2023 250255260265270275280285290295300250255260265270275280285290295300S O - D P 1 GRANT AVE SSH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 14SH. 17SH. 18SH. 201687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA . 29+20 - SHT . 21MATCHLINE - STA. 25+60 - SHT. 19 KEY MAPHORIZONTAL CONTROL STA. 25+60 - 29+20SW 20-23-05CONFORMED SET- 04/11/2023 280285290295300305310315320280285290295300305310315320GRANT AVE SS 18th ST SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 14SH. 17SH. 18SH. 201687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 29+20 - SHT. 20KEY MAPHORIZONTAL CONTROL STA. 29+20 - 31+00SW 20-23-05CONFORMED SET- 04/11/2023 60 65 70 75 80 85 90 95 100 105 110 60 65 70 75 80 85 90 95 100 105 110 SO-DP6I - 4 0 5 SH. 22SH. 24SH. 25SH. 28SH. 30S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 23SH. 26SH. 27SH. 2 9 EXISTING ACCESS IMPROVEMENTS STA 1+00 - 4+601687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 4+60 - SHT. 23 KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 100 105 110 115 120 125 130 135 140 145 100 105 110 115 120 125 130 135 140 145 120 125 130 135 140 145 150 155 160 165 120 125 130 135 140 145 150 155 160 165 SH. 22SH. 24SH. 25SH. 28SH. 30S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 23SH. 26SH. 27SH. 2 9 MATCHLINE - STA. 4+60 - SHT. 22EXISTING ACCESS IMPROVEMENTS STA. 4+60 - 8+201687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 8+20 - SHT. 24KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 135 140 145 150 155 160 165 170 175 180 135 140 145 150 155 160 165 170 175 180 SH. 22SH. 24SH. 25SH. 28SH. 30S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 23SH. 26SH. 27SH. 2 9 1687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 8+20 - SHT. 23MATCHLINE - STA. 11+80 - SHT. 25KEY MAP EXISTING ACCESS IMPROVEMENTS STA. 8+20 - 11+80 NW 20-23-05 CONFORMED SET- 04/11/2023 165 170 175 180 185 190 195 200 205 165 170 175 180 185 190 195 200 205 155 160 165 170 175 180 185 190 155 160 165 170 175 180 185 190 SH. 22SH. 24SH. 25SH. 28SH. 30S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 23SH. 26SH. 27SH. 2 9 1687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 15+20 - SHT. 26MATCHLINE - STA. 11+80 - SHT. 24KEY MAP EXISTING ACCESS IMPROVEMENTS STA. 11+80 - 15+20 NW 20-23-05 CONFORMED SET- 04/11/2023 180185190195200205210215180185190195200205210215DP2 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 23SH. 26SH. 27SH. 291687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 15+20 - SHT. 25 MAT C H L I N E - S T A . 1 8 + 6 0 - S H T . 27 KEY MAPEXISTING ACCESS IMPROVEMENTSSTA. 15+20 - 18+60NW 20-23-05CONFORMED SET- 04/11/2023 200205210215220225230235200205210215220225230235SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 23SH. 26SH. 27SH. 291687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - ST A . 2 2 + 2 0 - S H T . 28 MATCHLINE - STA. 18+60 - SHT. 26 KEY MAPEXISTING ACCESS IMPROVEMENTSSTA. 18+60 - 22+20NW 20-23-05CONFORMED SET- 04/11/2023 225230235240245250255260265225230235240245250255260265SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 23SH. 26SH. 27SH. 291687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 25+60 - SHT. 29MATCHLINE - STA. 22+20 - SHT. 27 KEY MAPEXISTING ACCESS IMPROVEMENTSSTA. 22+20 - 25+60NW 20-23-05/SW 20-23-05CONFORMED SET- 04/11/2023 250255260265270275280285290295300250255260265270275280285290295300S O - D P 1 GRANT AVE SSH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 23SH. 26SH. 27SH. 291687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA . 29+20 - SHT . 30MATCHLINE - STA. 25+60 - SHT. 28 KEY MAPEXISTING ACCESS IMPROVEMENTSSTA. 25+60 - 29+20SW 20-23-05CONFORMED SET- 04/11/2023 280285290295300305310315320280285290295300305310315320GRANT AVE SS 18th ST SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 23SH. 26SH. 27SH. 291687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 29+20 - SHT. 29KEY MAPEXISTING ACCESS IMPROVEMENTSSTA. 29+20 - 31+00SW 20-23-05CONFORMED SET- 04/11/2023 60 65 70 75 80 85 90 95 100 105 110 60 65 70 75 80 85 90 95 100 105 110 (±324 L F C I P P ) (ABANDON )SO-DP6I - 4 0 5 SH. 31SH. 33SH. 34SH. 37SH. 39S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 32SH. 35SH. 36SH. 3 8 SEWER PLAN AND PROFILE STA 1+00 - 4+601687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 4+60 - SHT. 32KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 100 105 110 115 120 125 130 135 140 145 100 105 110 115 120 125 130 135 140 145 120 125 130 135 140 145 150 155 160 165 120 125 130 135 140 145 150 155 160 165 (ABAND O N )(ABA N D O N) (ABAND O N )SH. 31SH. 33SH. 34SH. 37SH. 39S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 32SH. 35SH. 36SH. 3 8 MATCHLINE - STA. 4+60 - SHT. 31SEWER PLAN AND PROFILE STA. 4+60 - 8+201687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 8+20 - SHT. 33KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 135 140 145 150 155 160 165 170 175 180 135 140 145 150 155 160 165 170 175 180 (ABAND O N ) (ABAND O N )SH. 31SH. 33SH. 34SH. 37SH. 39S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 32SH. 35SH. 36SH. 3 8 140 145 150 155 160 165 170 175 180 140 145 150 155 160 165 170 175 180 SEWER PLAN AND PROFILE STA. 8+20 - 11+801687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 8+20 - SHT. 32MATCHLINE - STA. 11+80 - SHT. 34KEY MAP 8" HDPE SERVICE CONNECTION PROFILE NW 20-23-05 CONFORMED SET- 04/11/2023 165 170 175 180 185 190 195 200 165 170 175 180 185 190 195 200 (±70 LF C I P ) (ABAN D O N ) 155 160 165 170 175 180 185 190 155 160 165 170 175 180 185 190 (±197 LF C I P P ) (ABANDON)SH. 31SH. 33SH. 34SH. 37SH. 39S. 1 8 T H S T .I-405GRANT AVE. S.EAGLERID G E D R. S.SH. 32SH. 35SH. 36SH. 3 8 SEWER PLAN AND PROFILE STA. 11+80 - 15+201687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921MATCHLINE - STA. 15+20 - SHT. 35MATCHLINE - STA. 11+80 - SHT. 33KEY MAP NW 20-23-05 CONFORMED SET- 04/11/2023 180185190195200205210215180185190195200205210215(ABANDON)(ABANDON)(CIPP)DP2 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 32SH. 35SH. 36SH. 38SEWER PLAN AND PROFILE STA. 15+20 - 18+601687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 15+20 - SHT. 34 MAT C H L I N E - S T A . 1 8 + 6 0 - S H T . 36 KEY MAPNW 20-23-05CONFORMED SET- 04/11/2023 200205210215220225230235200205210215220225230235(CIPP) “/)&,33 (CIPP)SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 32SH. 35SH. 36SH. 38SEWER PLAN AND PROFILE STA. 18+60 - 22+201687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - ST A . 2 2 + 2 0 - S H T . 37 MATCHLINE - STA. 18+60 - SHT. 35 KEY MAPNW 20-23-05CONFORMED SET- 04/11/2023 225230235240245250255260265225230235240245250255260265 “/)&,33 (ABANDON) “/)&,33 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 32SH. 35SH. 36SH. 38SEWER PLAN AND PROFILE STA. 22+20 - 25+601687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA. 25+60 - SHT. 38MATCHLINE - STA. 22+20 - SHT. 36 KEY MAPNW 20-23-05/SW 20-23-05CONFORMED SET- 04/11/2023 250255260265270275280285290295300250255260265270275280285290295300(ABANDON)REMOVE EXISTINGMH TOP AND FILLSEE ABANDON MANHOLEDETAIL: SHEET 52S O - D P 1 GRANT AVE SSH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 32SH. 35SH. 36SH. 38SEWER PLAN AND PROFILE STA. 25+60 - 29+201687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921MATCHLINE - STA . 29+20 - SHT . 39MATCHLINE - STA. 25+60 - SHT. 37 KEY MAPSW 20-23-05CONFORMED SET- 04/11/2023 280285290295300305310315320280285290295300305310315320GRANT AVE SS 18th ST SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE R I DG E D R . S .SH. 32SH. 35SH. 36SH. 381687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921SEWER PLAN AND PROFILE STA. 29+20 - 31+00MATCHLINE - STA. 29+20 - SHT. 38KEY MAPSW 20-23-05CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 1+00 - 4+501687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921 CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 5+00 - 7+501687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921 CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 8+00 - 11+001687 114TH Avenue SE, Suite 100 Bellevue WA 98004 phone: (425) 869-9448 www.stantec.com THUNDER HILLS SEWER INTERCEPTOR REHABILITATION WWP-27-03921 CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 11+50 - 13+001687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 13+50 - 16+001687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 16+50 - 20+001687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 20+20 - 24+501687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 25+00 - 28+501687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921CONFORMED SET- 04/11/2023 GRAVEL PATH CROSS-SECTIONS STA. 29+00 - 30+501687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921CONFORMED SET- 04/11/2023 149HIGH VISIBILITY FENCE249HIGH VISIBILITY SILT FENCE349EROSION CONTROL AT CULVERT ENDS449CATCH BASIN FILTER1.THIS TEMPORARY EROSION/SEDIMENTATION CONTROL (TESC) PLAN DOES NOTCONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G.SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTIONFACILITIES, UTILITIES, ETC.)2.CONTRACTOR REQUIRED TO SUBMIT TESC AND DEWATERING PLAN TO OWNERAND ENGINEER FOR REVIEW PRIOR TO CONSTRUCTION.3.CONTRACTOR AND AN ON-SITE REPRESENTATIVE OF OWNER WILL REVIEW THEINSTALLATION, MAINTENANCE AND PERFORMANCE OF THE TESC MEASURESSHOWN ON THE APPROVED PLANS. THE TESC OBSERVER OR PERMITTINGAGENCY MAY RECOMMEND ADDITIONAL MEASURES OR CHANGES TO THETESC PLAN THAT ARE WARRANTED DURING CONSTRUCTION. THECONTRACTOR AND OBSERVER WILL EXAMINE ALL TESC MEASURESPERIODICALLY DURING THE CONSTRUCTION PERIOD, AND AFTER STORMSHAVING 0.5 INCHES OR MORE OF RAINFALL IN A 24-HOUR PERIOD. THEOBSERVER AND THE PERMITTING AGENCY HAVE THE AUTHORITY TO REQUIRECORRECTIVE ACTION IN ORDER TO ACHIEVE EROSION CONTROL OBJECTIVES.4.THE IMPLEMENTATION OF THESE TESC PLANS AND THE CONSTRUCTION,MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE TESC FACILITIES ISTHE RESPONSIBILITY OF THE CONTRACTOR. TESC MEASURES SHALL REMAINFUNCTIONING AND IN PLACE UNTIL THE SITE HAS BEEN STABILIZED AND THEPERMITTING AGENCY, OWNER OR ENGINEER HAS APPROVED THE REMOVAL OFTHE TESC MEASURES.5.AS CONSTRUCTION PROGRESSES AND UNEXPECTED SEASONAL CONDITIONSDICTATE, ADDITIONAL TESC MEASURES MAY BECOME NECESSARY TOPROTECT ADJACENT PROPERTIES AND TO ENSURE WATER QUALITY FOR SITERUNOFF. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO ADDRESSDEFICIENT TESC CONDITIONS, AND TO PROVIDE ADDITIONAL FACILITIES, OVERAND ABOVE THE MINIMUM REQUIREMENTS OUTLINED ON THE APPROVEDPLANS AS NEEDED.6.THE TESC FACILITIES SHOWN ON THESE PLANS MUST BE CONSTRUCTED INCONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES, AND IN SUCH AMANNER AS TO INSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THEDRAINAGE SYSTEM OR VIOLATE APPLICABLE WATER QUALITY STANDARDS.7.THE TESC FACILITIES SHOWN ON THESE PLANS ARE THE MINIMUMREQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THECONSTRUCTION PERIOD, THESE TESC FACILITIES SHALL BE UPGRADED (E.G.ADDITIONAL SUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.) ASNEEDED.8.THE TESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR ANDMAINTAINED AS NECESSARY TO ENSURE THEY CONTINUE TO FUNCTION.9.ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THATWILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON OR SEVENDAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY STABILIZED WITHAPPROVED ESC METHODS (E.G. SEEDING, MULCHING, PLASTIC COVERING,ETC.)10.ANY AREA NEEDING TESC MEASURE, NOT REQUIRING IMMEDIATE ATTENTION,SHALL BE STABILIZED WITHIN SEVEN (7) DAYS.11.AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TOACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCELINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALLNOT FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM.12.WHERE MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALLBE APPLIED AT A MINIMUM THICKNESS OF 2 TO 3 INCHES.13.PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBEDAREAS SHALL BE REVIEWED TO IDENTIFY WHICH AREAS CAN BE STABILIZED INPREPARATION FOR THE WINTER RAINS. IDENTIFIED AREAS SHOULD BESTABILIZED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON.14.TEMPORARY EROSION AND SEDIMENT CONTROL (TESC) MEASURES SHALL BEIMPLEMENTED IN ACCORDANCE WITH THE REQUIREMENTS OF THE NPDESCONSTRUCTION STORMWATER GENERAL PERMIT, THE CONSTRUCTIONSTORMWATER POLLUTION PREVENTION PLAN, ALL OTHER APPLICABLE PERMITCONDITIONS, AND ALL OTHER APPLICABLE FEDERAL AND STATE LAWS.15.NOT ALL CONSTRUCTION STORMWATER BMPS ARE SHOWN ON THE TESCDRAWINGS. SEE SWPPP FOR DESCRIPTIONS OF THE BMPS IDENTIFIED IN THEPLAN SHEETS AS WELL AS FOR OTHER APPLICABLE CONSTRUCTIONSTORMWATER BMPS.16.TESC MEASURES AND SELECTED BMPS IDENTIFIED ON THE TESC PLAN AND INTHE SWPPP ARE BASED ON INFORMATION AVAILABLE AT THE TIME OF THEDRAWING AND SWPPP DEVELOPMENT. CONTRACTOR'S CERTIFIED EROSIONAND SEDIMENT CONTROL LEAD (CESCL) SHALL MODIFY TESC PLAN AND SWPPPAS REQUIRED TO ENSURE THE REQUIREMENTS DESCRIBED IN ITEM 15 AREMET AT ALL TIMES.TEMPORARY EROSION/SEDIMENTATIONCONTROL NOTES:TESC DETAILS1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921CONFORMED SET- 04/11/2023 TESC DETAILS1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921450SLOPE INSTALLATIONS150SURFACE ROUGHING250WATERWAY INSTALLATIONS350STRAW WATTLESCONFORMED SET- 04/11/2023 151WHEEL WASHTESC DETAILS1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921251CONSTRUCTION ENTRANCE351CURB AND GUTTER PROTECTIONCONFORMED SET- 04/11/2023 STD.400.1STANDARD SANITARY MANHOLEINSIDE DROP CONNECTIONFOR SANITARY MANHOLESTD.402.2AIR TEST TABLE (LOW PRESSURE)FOR SANITARY SEWERSSTD.410MANHOLE FRAME AND COVERSTD.401ABANDON MANHOLESTD.400.5PIPE BEDDING FORSANITARY SEWERSSTD.405WASTEWATER UTILITYSTANDARD NOTESSTD.413CITY STANDARD DETAILS1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921CONFORMED SET- 04/11/2023 TRENCH DETAIL FOR GRAVITY MAIN(OPEN CUT/UNPAVED SECTIONS)153TRENCH DETAIL FOR GRAVITY MAIN(OPEN CUT/PAVED SECTIONS)353TYPICAL GRADING PLAN453253NOT USEDMISC. DETAILS1687 114TH Avenue SE, Suite 100 Bellevue WA98004 phone: (425) 869-9448 www.stantec.comTHUNDER HILLS SEWER INTERCEPTOR REHABILITATIONWWP-27-03921TYPICAL ROCK WALL DETAIL553TYPICAL SD AT BACK OF WALL DETAIL653TYPICAL PAVEDMAINTENANCE PATH853CONFORMED SET- 04/11/2023 ========================X //////PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15GENERAL NOTESPROJECT OVERVIEWSTREAM EWETLAND AW1.0 OF600'150'75'0300'SCALE: 1" = 150' WHEN PRINTED AT 22" x 34"Know what'sbelow.before you dig.CallRSHEET INDEXW1.0 - PROJECT OVERVIEWW2.0 - PLANTING PLAN & LOG PLACEMENT(1 OF 7)W2.1 - PLANTING PLAN & LOG PLACEMENT (2 OF 7)W2.2 - PLANTING PLAN & LOG PLACEMENT (3 OF 7)W2.3 - PLANTING PLAN & LOG PLACEMENT (4 OF 7)W2.4 - PLANTING PLAN & LOG PLACEMENT (5 OF 7)W2.5 - PLANTING PLAN & LOG PLACEMENT (6 OF 7)W2.6 - PLANTING PLAN & LOG PLACEMENT (7 OF 7)W3.0 - PLANT SCHEDULEW3.1 - PLANT NOTES & DETAILSW4.0 - SITE PREPARATIONW5.0 - ANCHORED LARGE WOODY DEBRIS PLANW5.1 - ANCHORED LARGE WOODY DEBRIS NOTES & DETAILSW6.0 - TEMPORARY BYPASS PLANW7.0 - MITIGATION NOTESWETLAND BWETLAND CWETLAND DWETLAND EWETLAND FTHUNDER HILLS CREEKPROPERTY BOUNDARIESWETLAND ANDSTREAM BUFFERMATCHLINE.TYP.1.SURVEY RECEIVED FROM STANTEC IN MAY, 2017. BELLEVUE, WA. PHONE:(425) 289-7373.2.WETLANDS DELINEATED BY THE WATERSHED COMPANY ON APRIL 23 & 29,AND MAY 1 & 12, 2014.PROJECT AREASTREAM FSTREAM GSTREAM DGRANT AVE. SES 18TH ST.EAGLE RIDGE DR. S I - 405 W2.0W2.1W2.2W2.3W2.4W2.5W2.6INSET MAP W5.0 & W6.0CONFORMED SET- 04/11/2023 SO-DP6DP-7DP-6EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINECOMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVED15' UNANCHORED LOG WITH ROOTWAD ATTACHED(SEE CIVIL FOR TREE REMOVAL PLAN) (37)HABITAT LOGS (10' - 15' IN LENGTH)LEGENDSITE PREPARATION NOTES1.SEE W4.0 FOR INVASIVE SPECIES REMOVAL AND SOILPREPARATION INFORMATION. INVASIVE SPECIES SHALL BECLEARED AND GRUBBED WITHIN ALL PLANTING AREABOUNDARIES: THESE ARE SHOWN ON THE PLANTING PLAN ASBUFFER MIXES A - E. ADDITIONALLY, INVASIVE SPECIES SHALLBE CLEARED WITHIN 10-FEET OF THE PLANTING AREAS.PLANTING AREAS SHALL BE FLAGGED PRIOR TO CLEARING ANDGRUBBING ACTIVITIES.2.IF AREA LARGER THAN 200 SF IS COMPACTED TO PROCTORDENSITY EXCEEDING 85% WITHIN CRITICAL AREA BUFFERS,DECOMPACT AREA 12" IN DEPTH.3.FOR TEMPORARY DISTURBANCE OUTSIDE OF THE PLANTINGAREAS DUE TO LOG INSTALLATION, PREP AND RE-SEED PERCIVIL PLANS.NOTES1.EROSION CONTROL METHODS SHALL BE IN PLACE AND REVIEWEDBY THE CITY OF RENTON INSPECTOR.2.UNANCHORED LOGS AND HABITAT LOGS ARE TO BE PLACEDUNDER THE SUPERVISION OF THE CITY OF RENTON INSPECTOR.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANTING PLAN (1 of 7)W2.0 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.11AW4.02W4.0PO W E R L I N E E A S E M E N T PO W E R L I N E E A S E M E N T WETLAND ESTREAM DI-405THUNDER HILLS CREEKWETLAND F1BW4.01BW4.01BW4.0BUFFER MIX CBUFFER MIX BKnow what'sbelow.before you dig.CallR1W2.61W2.6CONFORMED SET- 04/11/2023 DP-5EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINECOMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVED15' UNANCHORED LOG WITH ROOTWAD ATTACHED(SEE CIVIL FOR TREE REMOVAL PLAN) (37)HABITAT LOGS (10' - 15' IN LENGTH)LEGENDSITE PREPARATION NOTES1.SEE W4.0 FOR INVASIVE SPECIES REMOVAL AND SOILPREPARATION INFORMATION. INVASIVE SPECIES SHALL BECLEARED AND GRUBBED WITHIN ALL PLANTING AREABOUNDARIES: THESE ARE SHOWN ON THE PLANTING PLAN ASBUFFER MIXES A - E. ADDITIONALLY, INVASIVE SPECIES SHALLBE CLEARED WITHIN 10-FEET OF THE PLANTING AREAS.PLANTING AREAS SHALL BE FLAGGED PRIOR TO CLEARING ANDGRUBBING ACTIVITIES.2.IF AREA LARGER THAN 200 SF IS COMPACTED TO PROCTORDENSITY EXCEEDING 85% WITHIN CRITICAL AREA BUFFERS,DECOMPACT AREA 12" IN DEPTH.3.FOR TEMPORARY DISTURBANCE OUTSIDE OF THE PLANTINGAREAS DUE TO LOG INSTALLATION, PREP AND RE-SEED PERCIVIL PLANS.NOTES1.EROSION CONTROL METHODS SHALL BE IN PLACE AND REVIEWEDBY THE CITY OF RENTON INSPECTOR.2.UNANCHORED LOGS AND HABITAT LOGS ARE TO BE PLACEDUNDER THE SUPERVISION OF THE CITY OF RENTON INSPECTOR.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANTING PLAN (2 OF 7)W2.1 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.0MATCHLINE: SEE SHEET W3.2THUNDER HILLS CREEKPLANTING AREA FOLLOWS OHWM.DO NOT DISTURB BELOW OHWM.PLANTING AREA ENDS ATTEMPORARY CONSTRUCTIONEASEMENT LINE. DO NOTDISTURB AREA BEYONDEASEMENT LINE, EXCEPT FORLOG PLACEMENT.BUFFER MIX A:INFILL RESTORATION AREAPLANTING AREA FOLLOWSOHWM. DO NOT DISTURBBELOW OHWM.STATION 9+00Know what'sbelow.before you dig.CallR1AW4.02W4.01BW4.01BW4.01BW4.01W2.6BUFFER MIX BBOUNDARY BETWEEN BUFFERMIX A & D AT STATION 9+001W2.6CONFORMED SET- 04/11/2023 ///////////////EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINECOMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVED15' UNANCHORED LOG WITH ROOTWAD ATTACHED(SEE CIVIL FOR TREE REMOVAL PLAN) (37)HABITAT LOGS (10' - 15' IN LENGTH)LEGENDSITE PREPARATION NOTES1.SEE W4.0 FOR INVASIVE SPECIES REMOVAL AND SOILPREPARATION INFORMATION. INVASIVE SPECIES SHALL BECLEARED AND GRUBBED WITHIN ALL PLANTING AREABOUNDARIES: THESE ARE SHOWN ON THE PLANTING PLAN ASBUFFER MIXES A - E. ADDITIONALLY, INVASIVE SPECIES SHALLBE CLEARED WITHIN 10-FEET OF THE PLANTING AREAS.PLANTING AREAS SHALL BE FLAGGED PRIOR TO CLEARING ANDGRUBBING ACTIVITIES.2.IF AREA LARGER THAN 200 SF IS COMPACTED TO PROCTORDENSITY EXCEEDING 85% WITHIN CRITICAL AREA BUFFERS,DECOMPACT AREA 12" IN DEPTH.3.FOR TEMPORARY DISTURBANCE OUTSIDE OF THE PLANTINGAREAS DUE TO LOG INSTALLATION, PREP AND RE-SEED PERCIVIL PLANS.NOTES1.EROSION CONTROL METHODS SHALL BE IN PLACE AND REVIEWEDBY THE CITY OF RENTON INSPECTOR.2.UNANCHORED LOGS AND HABITAT LOGS ARE TO BE PLACEDUNDER THE SUPERVISION OF THE CITY OF RENTON INSPECTOR.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANTING PLAN (3 OF 7)W2.2 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.1MATCHLINE: SEE SHEET W3.3THUNDER HILLS CREEKBUFFER MIX DFOLLOWS OHWMBUFFER MIX BBUFFER MIX BKnow what'sbelow.before you dig.CallR1AW4.02W4.01BW4.01BW4.01BW4.01W2.6BUFFER MIX B1W2.6CONFORMED SET- 04/11/2023 DP2DP2DP-4EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINECOMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVED15' UNANCHORED LOG WITH ROOTWAD ATTACHED(SEE CIVIL FOR TREE REMOVAL PLAN) (37)HABITAT LOGS (10' - 15' IN LENGTH)LEGENDSITE PREPARATION NOTES1.SEE W4.0 FOR INVASIVE SPECIES REMOVAL AND SOILPREPARATION INFORMATION. INVASIVE SPECIES SHALL BECLEARED AND GRUBBED WITHIN ALL PLANTING AREABOUNDARIES: THESE ARE SHOWN ON THE PLANTING PLAN ASBUFFER MIXES A - E. ADDITIONALLY, INVASIVE SPECIES SHALLBE CLEARED WITHIN 10-FEET OF THE PLANTING AREAS.PLANTING AREAS SHALL BE FLAGGED PRIOR TO CLEARING ANDGRUBBING ACTIVITIES.2.IF AREA LARGER THAN 200 SF IS COMPACTED TO PROCTORDENSITY EXCEEDING 85% WITHIN CRITICAL AREA BUFFERS,DECOMPACT AREA 12" IN DEPTH.3.FOR TEMPORARY DISTURBANCE OUTSIDE OF THE PLANTINGAREAS DUE TO LOG INSTALLATION, PREP AND RE-SEED PERCIVIL PLANS.NOTES1.EROSION CONTROL METHODS SHALL BE IN PLACE AND REVIEWEDBY THE CITY OF RENTON INSPECTOR.2.UNANCHORED LOGS AND HABITAT LOGS ARE TO BE PLACEDUNDER THE SUPERVISION OF THE CITY OF RENTON INSPECTOR.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANTING PLAN (4 OF 7)W2.3 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.2MATCHLINE: SEE SHEET W3.4POWERLINE EASEMENTTHUNDER HILLS CREEKWETLAND DWETLAND CWETLAND BBUFFER MIX BBUFFER MIX DBUFFER RESTORATIONTEMPORARY DISTURBANCEBUFFER MIX CKnow what'sbelow.before you dig.CallR1AW4.02W4.01BW4.01BW4.01BW4.01W2.61W2.6CONFORMED SET- 04/11/2023 EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINECOMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVED15' UNANCHORED LOG WITH ROOTWAD ATTACHED(SEE CIVIL FOR TREE REMOVAL PLAN) (37)HABITAT LOGS (10' - 15' IN LENGTH)LEGENDSITE PREPARATION NOTES1.SEE W4.0 FOR INVASIVE SPECIES REMOVAL AND SOILPREPARATION INFORMATION. INVASIVE SPECIES SHALL BECLEARED AND GRUBBED WITHIN ALL PLANTING AREABOUNDARIES: THESE ARE SHOWN ON THE PLANTING PLAN ASBUFFER MIXES A - E. ADDITIONALLY, INVASIVE SPECIES SHALLBE CLEARED WITHIN 10-FEET OF THE PLANTING AREAS.PLANTING AREAS SHALL BE FLAGGED PRIOR TO CLEARING ANDGRUBBING ACTIVITIES.2.IF AREA LARGER THAN 200 SF IS COMPACTED TO PROCTORDENSITY EXCEEDING 85% WITHIN CRITICAL AREA BUFFERS,DECOMPACT AREA 12" IN DEPTH.3.FOR TEMPORARY DISTURBANCE OUTSIDE OF THE PLANTINGAREAS DUE TO LOG INSTALLATION, PREP AND RE-SEED PERCIVIL PLANS.NOTES1.EROSION CONTROL METHODS SHALL BE IN PLACE AND REVIEWEDBY THE CITY OF RENTON INSPECTOR.2.UNANCHORED LOGS AND HABITAT LOGS ARE TO BE PLACEDUNDER THE SUPERVISION OF THE CITY OF RENTON INSPECTOR.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANTING PLAN (5 OF 7)W2.4 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.3MATCHLINE: SEE SHEET W3.5POWERLINE EASEMENTTHUNDER HILLS CREEKBUFFER MIX CBUFFER MIX BBUFFER MIX EBUFFER MIX BKnow what'sbelow.before you dig.CallR1AW4.02W4.01BW4.01BW4.01BW4.01W2.61W2.6CONFORMED SET- 04/11/2023 XXXXEXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINECOMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVED15' UNANCHORED LOG WITH ROOTWAD ATTACHED(SEE CIVIL FOR TREE REMOVAL PLAN) (37)HABITAT LOGS (10' - 15' IN LENGTH)LEGENDSITE PREPARATION NOTES1.SEE W4.0 FOR INVASIVE SPECIES REMOVAL AND SOILPREPARATION INFORMATION. INVASIVE SPECIES SHALL BECLEARED AND GRUBBED WITHIN ALL PLANTING AREABOUNDARIES: THESE ARE SHOWN ON THE PLANTING PLAN ASBUFFER MIXES A - E. ADDITIONALLY, INVASIVE SPECIES SHALLBE CLEARED WITHIN 10-FEET OF THE PLANTING AREAS.PLANTING AREAS SHALL BE FLAGGED PRIOR TO CLEARING ANDGRUBBING ACTIVITIES.2.IF AREA LARGER THAN 200 SF IS COMPACTED TO PROCTORDENSITY EXCEEDING 85% WITHIN CRITICAL AREA BUFFERS,DECOMPACT AREA 12" IN DEPTH.3.FOR TEMPORARY DISTURBANCE OUTSIDE OF THE PLANTINGAREAS DUE TO LOG INSTALLATION, PREP AND RE-SEED PERCIVIL PLANS.NOTES1.EROSION CONTROL METHODS SHALL BE IN PLACE AND REVIEWEDBY THE CITY OF RENTON INSPECTOR.2.UNANCHORED LOGS AND HABITAT LOGS ARE TO BE PLACEDUNDER THE SUPERVISION OF THE CITY OF RENTON INSPECTOR.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANTING PLAN (6 OF 7)W2.5 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.4MATCHLINE: SEE SHEET W3.6THUNDER HILLS CREEKSTREAM GSTREAM FPOWERLINE EASEMENTBUFFER MIX CBUFFER MIX BBUFFER MIX EKnow what'sbelow.before you dig.CallR1AW4.02W4.01BW4.01BW4.01BW4.01W2.61W2.6CONFORMED SET- 04/11/2023 =============================================================================================================================================================================X X X X X X X SO-DP1///////////////////// /// /// ///////////////////////////DP-1EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINECOMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVED15' UNANCHORED LOG WITH ROOTWAD ATTACHED(SEE CIVIL FOR TREE REMOVAL PLAN) (37)HABITAT LOGS (10' - 15' IN LENGTH)LEGENDSITE PREPARATION NOTES1.SEE W4.0 FOR INVASIVE SPECIES REMOVAL AND SOILPREPARATION INFORMATION. INVASIVE SPECIES SHALL BECLEARED AND GRUBBED WITHIN ALL PLANTING AREABOUNDARIES: THESE ARE SHOWN ON THE PLANTING PLAN ASBUFFER MIXES A - E. ADDITIONALLY, INVASIVE SPECIES SHALLBE CLEARED WITHIN 10-FEET OF THE PLANTING AREAS.PLANTING AREAS SHALL BE FLAGGED PRIOR TO CLEARING ANDGRUBBING ACTIVITIES.2.IF AREA LARGER THAN 200 SF IS COMPACTED TO PROCTORDENSITY EXCEEDING 85% WITHIN CRITICAL AREA BUFFERS,DECOMPACT AREA 12" IN DEPTH.3.FOR TEMPORARY DISTURBANCE OUTSIDE OF THE PLANTINGAREAS DUE TO LOG INSTALLATION, PREP AND RE-SEED PERCIVIL PLANS.NOTES1.EROSION CONTROL METHODS SHALL BE IN PLACE AND REVIEWEDBY THE CITY OF RENTON INSPECTOR.2.UNANCHORED LOGS AND HABITAT LOGS ARE TO BE PLACEDUNDER THE SUPERVISION OF THE CITY OF RENTON INSPECTOR.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANTING PLAN (7 OF 7)W2.6 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.5POWERLINE EASEMENTSTREAM ETHUNDER HILLS CREEKBUFFER MIX ABUFFER MIX BBUFFER MIX BBUFFER MIX ABUFFER MIX EBUFFER MIX BKnow what'sbelow.before you dig.CallRWETLAND A1AW4.02W4.01BW4.01BW4.01BW4.0Scale: NTSHABITAT LOG1NOTES:1.LAYOUT OF DETAIL IS CONCEPTUAL. SEE PLAN FOR LOCATION. LAYOUT IN FIELDWITH ASSISTANCE FROM THE RESTORATION SPECIALIST.2.ON SLOPES GREATER THAN 5%, PLACE LOG PERPENDICULAR TO SLOPE DIRECTION.3.SEE SPECIFICATIONS.FALLEN TREES TO BE APPROVED BYRESTORATION SPECIALIST. KEEPROOTS AND BRANCHES ATTACHEDWHERE POSSIBLE.1W2.6HABITAT LOG1W2.61W2.6CONFORMED SET- 04/11/2023 TREESABIES GRANDIS / GRAND FIRPICEA SITCHENSIS / SITKA SPRUCEPSEUDOTSUGA MENZIESII / DOUGLAS FIRTHUJA PLICATA / WESTERN REDCEDARTSUGA HETEROPHYLLA / WESTERN HEMLOCKSHRUBSCORYLUS CORNUTA / BEAKED HAZELNUTHOLODISCUS DISCOLOR / OCEANSPRAYOEMLERIA CERASIFORMIS / OSO BERRYGROUNDCOVERMAHONIA NERVOSA / DULL OREGON GRAPEPOLYSTICHUM MUNITUM / WESTERN SWORDFERNPLANT SCHEDULE FOR BUFFER MIX A (24,141 SF)QTY14141414144040406262SPACING20' O.C.20' O.C.20' O.C.20' O.C.20' O.C.15' O.C.15' O.C.15' O.C.15' O.C.15' O.C.SIZEMIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.SHRUBSACER CIRCINATUM / VINE MAPLECORYLUS CORNUTA / BEAKED HAZELNUTHOLODISCUS DISCOLOR / OCEANSPRAYSYMPHORICARPOS ALBUS / SNOWBERRYOEMLERIA CERASIFORMIS / OSO BERRYGROUNDCOVERMAHONIA NERVOSA / DULL OREGON GRAPEPOLYSTICHUM MUNITUM / WESTERN SWORDFERNPLANT SCHEDULE FOR BUFFER MIX B (26,682 SF)QTY15815815815815813101310SPACING6' O.C.6' O.C.6' O.C.6' O.C.6' O.C.3' O.C.3' O.C.SIZE1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.LIVE STAKES (MIN. 4' LENGTH)CORNUS SERICEA / RED-OSIER DOGWOODSALIX LUCIDA / PACIFIC WILLOWSALIX HOOKERIANA / HOOKER'S WILLOWSALIX SCOULERIANA / SCOULER'S WILLOWSALIX SITCHENSIS / SITKA WILLOWPHYSOCARPUS CAPITATUS / PACIFIC NINEBARKPLANT SCHEDULE FOR BUFFER MIX C (6,022 SF)QTY741741741741741741SPACING15" O.C.15" O.C.15" O.C.15" O.C.15" O.C.15" O.C.SIZE1/2" DIA.1" DIA.1" DIA.1" DIA.1" DIA.1/2" DIA.SHRUBS*HOLODISCUS DISCOLOR / OCEANSPRAYMAHONIA AQUIFOLIUM / TALL OREGON GRAPEROSA NUTKANA / NOOTKA ROSESPIRAEA DOUGLASII / ROSE SPIREAGROUNDCOVERPTERIDIUM AQUILINUM / WESTERN BRACKENFERNPLANT SCHEDULE FOR BUFFER MIX E (4,035 SF)QTY32323232387SPACING6' O.C.6' O.C.6' O.C.6' O.C.3' O.C.SIZE1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.*MITIGATION PLANTING WITHIN POWERLINE EASEMENTS SHALL BE IN ACCORDANCE WITHPOWER PROVIDER VEGETATION HEIGHT REQUIREMENTS.TREESABIES GRANDIS / GRAND FIRACER MACROPHYLLUM / BIGLEAF MAPLEPICEA SITCHENSIS / SITKA SPRUCEPOPULUS BALSAMIFERA / COTTONWOODTHUJA PLICATA / WESTERN REDCEDARTSUGA HETEROPHYLLA / WESTERN HEMLOCKSHRUBSCORYLUS CORNUTA / BEAKED HAZELNUTHOLODISCUS DISCOLOR / OCEANSPRAYOEMLERIA CERASIFORMIS / OSO BERRYSALIX LUCIDA / PACIFIC WILLOWPLANT SCHEDULE FOR BUFFER MIX D (4,633 SF)QTY99999924242424SPACING10' O.C.10' O.C.10' O.C.10' O.C.10' O.C.10' O.C.6' O.C.6' O.C.6' O.C.6' O.C.SIZEMIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.1 GAL.1 GAL.1 GAL.1 GAL.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANT SCHEDULEW3.0 OFBUFFER MIX A NOTES:1. FIELD ADJUST SO NEW TREES ARE MIN. 10' O.C. WITH EXISTING TREESKnow what'sbelow.before you dig.CallRGENERAL PLANTING NOTES1.IN PLANTING AREAS LESS THAN 3' IN WIDTH, PLANT ONLYGROUNDCOVERS SO AS NOT TO ENCROACH ON THE ACCESS DRIVE.CONFORMED SET- 04/11/2023 NOTES:1. PLANTING PIT SHALL NOT BE LESS THAN (2)TIMES THE WIDTH OF THE ROOT BALL DIA.2. LOOSEN SIDES AND BOTTOMS OF PLANTING PIT3. SOAK PLANTING PIT AFTER PLANTING2X MIN DIA. ROOTBALLREMOVE FROM POT OR BURLAP & ROUGH-UPROOT BALL BEFORE INSTALLING. UNTANGLEAND STRAIGHTEN CIRCLING ROOTS - PRUNE IFNECESSARY. IF PLANT IS EXCEPTIONALLYROOT-BOUND, DO NOT PLANT AND RETURN TONURSERY FOR AN ACCEPTABLE ALTERNATIVESPECIFIED MULCH LAYER. HOLD BACK MULCHFROM TRUNK/STEMSFINISH GRADEREMOVE DEBRIS AND LARGE ROCKS FROM PLANTINGPIT AND SCARIFY SIDES AND BASE. BACKFILL WITHSPECIFIED SOIL. FIRM UP SOIL AROUND PLANT.3"3"NOTES:1.PLANT GROUNDCOVER AT SPECIFIED DISTANCEON-CENTER (O.C.) USING TRIANGULAR SPACING, TYP.2.LOOSEN SIDES AND BOTTOM OF PLANTING PIT ANDREMOVE DEBRIS3.LOOSEN ROOTBOUND PLANTS BEFORE INSTALLING4.SOAK PIT BEFORE AND AFTER INSTALLING PLANTSPECIFIED MULCH LAYER.HOLD BACK MULCH FROMSTEMSSOIL AMENDMENTS AS SPECIFIEDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15PLANT NOTES & DETAILSW3.1 OFSCALE: VARIESGENERAL NOTESQUALITY ASSURANCE1. PLANTS SHALL MEET OR EXCEED THE SPECIFICATIONS OFFEDERAL, STATE, AND LOCAL LAWS REQUIRING INSPECTION FORPLANT DISEASE AND INSECT CONTROL.2. PLANTS SHALL BE HEALTHY, VIGOROUS, AND WELL-FORMED,WITH WELL DEVELOPED, FIBROUS ROOT SYSTEMS, FREE FROMDEAD BRANCHES OR ROOTS. PLANTS SHALL BE FREE FROMDAMAGE CAUSED BY TEMPERATURE EXTREMES, LACK OREXCESS OF MOISTURE, INSECTS, DISEASE, AND MECHANICALINJURY. PLANTS IN LEAF SHALL BE WELL FOLIATED AND OFGOOD COLOR. PLANTS SHALL BE HABITUATED TO THE OUTDOORENVIRONMENTAL CONDITIONS INTO WHICH THEY WILL BEPLANTED (HARDENED-OFF).3. TREES WITH DAMAGED, CROOKED, MULTIPLE OR BROKENLEADERS WILL BE REJECTED. WOODY PLANTS WITH ABRASIONSOF THE BARK OR SUN SCALD WILL BE REJECTED.4. NOMENCLATURE: PLANT NAMES SHALL CONFORM TO FLORA OFTHE PACIFIC NORTHWEST BY HITCHCOCK AND CRONQUIST,UNIVERSITY OF WASHINGTON PRESS, 1973 AND/OR TO A FIELDGUIDE TO THE COMMON WETLAND PLANTS OF WESTERNWASHINGTON & NORTHWESTERN OREGON, ED. SARAH SPEARCOOKE, SEATTLE AUDUBON SOCIETY, 1997.DEFINITIONS1.PLANTS/PLANT MATERIALS. PLANTS AND PLANT MATERIALSSHALL INCLUDE ANY LIVE PLANT MATERIAL USED ON THEPROJECT. THIS INCLUDES BUT IS NOT LIMITED TO CONTAINERGROWN, B&B OR BAREROOT PLANTS; LIVE STAKES ANDFASCINES (WATTLES); TUBERS, CORMS, BULBS, ETC..; SPRIGS,PLUGS, AND LINERS.2.CONTAINER GROWN. CONTAINER GROWN PLANTS ARE THOSEWHOSE ROOTBALLS ARE ENCLOSED IN A POT OR BAG IN WHICHTHAT PLANT GREW.SUBSTITUTIONS1. IT IS THE CONTRACTOR'S RESPONSIBILITY TO OBTAIN SPECIFIEDMATERIALS IN ADVANCE IF SPECIAL GROWING, MARKETING OROTHER ARRANGEMENTS MUST BE MADE IN ORDER TO SUPPLYSPECIFIED MATERIALS.2. SUBSTITUTION OF PLANT MATERIALS NOT ON THE PROJECT LISTWILL NOT BE PERMITTED UNLESS AUTHORIZED IN WRITING BYTHE RESTORATION CONSULTANT.3. IF PROOF IS SUBMITTED THAT ANY PLANT MATERIAL SPECIFIED ISNOT OBTAINABLE, A PROPOSAL WILL BE CONSIDERED FOR USEOF THE NEAREST EQUIVALENT SIZE OR ALTERNATIVE SPECIES,WITH CORRESPONDING ADJUSTMENT OF CONTRACT PRICE.4. SUCH PROOF WILL BE SUBSTANTIATED AND SUBMITTED INWRITING TO THE CONSULTANT AT LEAST 30 DAYS PRIOR TOSTART OF WORK UNDER THIS SECTION.INSPECTION1. PLANTS SHALL BE SUBJECT TO INSPECTION AND APPROVAL BYTHE RESTORATION CONSULTANT FOR CONFORMANCE TOSPECIFICATIONS, EITHER AT TIME OF DELIVERY ON-SITE OR ATTHE GROWER'S NURSERY. APPROVAL OF PLANT MATERIALS ATANY TIME SHALL NOT IMPAIR THE SUBSEQUENT RIGHT OFINSPECTION AND REJECTION DURING PROGRESS OF THE WORK.2. PLANTS INSPECTED ON SITE AND REJECTED FOR NOT MEETINGSPECIFICATIONS MUST BE REMOVED IMMEDIATELY FROM SITEOR RED-TAGGED AND REMOVED AS SOON AS POSSIBLE.3. THE RESTORATION CONSULTANT MAY ELECT TO INSPECT PLANTMATERIALS AT THE PLACE OF GROWTH. AFTER INSPECTION ANDACCEPTANCE, THE RESTORATION CONSULTANT MAY REQUIRETHE INSPECTED PLANTS BE LABELED AND RESERVED FORPROJECT. SUBSTITUTION OF THESE PLANTS WITH OTHERINDIVIDUALS, EVEN OF THE SAME SPECIES AND SIZE, ISUNACCEPTABLE.MEASUREMENT OF PLANTS1. PLANTS SHALL CONFORM TO SIZES SPECIFIED UNLESSSUBSTITUTIONS ARE MADE AS OUTLINED IN THIS CONTRACT.2. HEIGHT AND SPREAD DIMENSIONS SPECIFIED REFER TO MAINBODY OF PLANT AND NOT BRANCH OR ROOT TIP TO TIP. PLANTDIMENSIONS SHALL BE MEASURED WHEN THEIR BRANCHES ORROOTS ARE IN THEIR NORMAL POSITION.3. WHERE A RANGE OF SIZE IS GIVEN, NO PLANT SHALL BE LESSTHAN THE MINIMUM SIZE AND AT LEAST 50% OF THE PLANTSSHALL BE AS LARGE AS THE MEDIAN OF THE SIZE RANGE.(EXAMPLE: IF THE SIZE RANGE IS 12" TO 18", AT LEAST 50% OFPLANTS MUST BE 15" TALL.).SUBMITTALSPROPOSED PLANT SOURCES1. WITHIN 45 DAYS AFTER AWARD OF THE CONTRACT, SUBMIT ACOMPLETE LIST OF PLANT MATERIALS PROPOSED TO BEPROVIDED DEMONSTRATING CONFORMANCE WITH THEREQUIREMENTS SPECIFIED. INCLUDE THE NAMES ANDADDRESSES OF ALL GROWERS AND NURSERIES.PRODUCT CERTIFICATES1. PLANT MATERIALS LIST - SUBMIT DOCUMENTATION TOCONSULTANT AT LEAST 30 DAYS PRIOR TO START OF WORKUNDER THIS SECTION THAT PLANT MATERIALS HAVE BEENORDERED. ARRANGE PROCEDURE FOR INSPECTION OF PLANTMATERIAL WITH CONSULTANT AT TIME OF SUBMISSION.2. HAVE COPIES OF VENDOR'S OR GROWERS' INVOICES ORPACKING SLIPS FOR ALL PLANTS ON SITE DURING INSTALLATION.INVOICE OR PACKING SLIP SHOULD LIST SPECIES BY SCIENTIFICNAME, QUANTITY, AND DATE DELIVERED (AND GENETIC ORIGIN IFTHAT INFORMATION WAS PREVIOUSLY REQUESTED).DELIVERY, HANDLING, & STORAGENOTIFICATIONCONTRACTOR MUST NOTIFY CONSULTANT 48 HOURS OR MORE INADVANCE OF DELIVERIES SO THAT CONSULTANT MAY ARRANGE FORINSPECTION.PLANT MATERIALS1.TRANSPORTATION - DURING SHIPPING, PLANTS SHALL BEPACKED TO PROVIDE PROTECTION AGAINST CLIMATE EXTREMES,BREAKAGE AND DRYING. PROPER VENTILATION ANDPREVENTION OF DAMAGE TO BARK, BRANCHES, AND ROOTSYSTEMS MUST BE ENSURED.2.SCHEDULING AND STORAGE - PLANTS SHALL BE DELIVERED ASCLOSE TO PLANTING AS POSSIBLE. PLANTS IN STORAGE MUSTBE PROTECTED AGAINST ANY CONDITION THAT IS DETRIMENTALTO THEIR CONTINUED HEALTH AND VIGOR.3.HANDLING - PLANT MATERIALS SHALL NOT BE HANDLED BY THETRUNK, LIMBS, OR FOLIAGE BUT ONLY BY THE CONTAINER, BALL,BOX, OR OTHER PROTECTIVE STRUCTURE, EXCEPT BAREROOTPLANTS SHALL BE KEPT IN BUNDLES UNTIL PLANTING AND THENHANDLED CAREFULLY BY THE TRUNK OR STEM.4.LABELS - PLANTS SHALL HAVE DURABLE, LEGIBLE LABELSSTATING CORRECT SCIENTIFIC NAME AND SIZE. TEN PERCENTOF CONTAINER GROWN PLANTS IN INDIVIDUAL POTS SHALL BELABELED. PLANTS SUPPLIED IN FLATS, RACKS, BOXES, BAGS, ORBUNDLES SHALL HAVE ONE LABEL PER GROUP.WARRANTYPLANT WARRANTYPLANTS MUST BE GUARANTEED TO BE TRUE TO SCIENTIFIC NAMEAND SPECIFIED SIZE, AND TO BE HEALTHY AND CAPABLE OFVIGOROUS GROWTH.REPLACEMENT1.PLANTS NOT FOUND MEETING ALL OF THE REQUIREDCONDITIONS AT THE CONSULTANT'S DISCRETION MUST BEREMOVED FROM SITE AND REPLACED IMMEDIATELY AT THECONTRACTOR'S EXPENSE.2.PLANTS NOT SURVIVING AFTER ONE YEAR TO BE REPLACED ATTHE CONTRACTOR'S EXPENSE.PLANT MATERIALGENERAL1. PLANTS SHALL BE NURSERY GROWN IN ACCORDANCE WITHGOOD HORTICULTURAL PRACTICES UNDER CLIMATICCONDITIONS SIMILAR TO OR MORE SEVERE THAN THOSE OF THEPROJECT SITE.2. PLANTS SHALL BE TRUE TO SPECIES AND VARIETY ORSUBSPECIES. NO CULTIVARS OR NAMED VARIETIES SHALL BEUSED UNLESS SPECIFIED AS SUCH.QUANTITIESSEE PLANT LIST ON ACCOMPANYING PLANS AND PLANT SCHEDULES.ROOT TREATMENT1.CONTAINER GROWN PLANTS (INCLUDES PLUGS): PLANT ROOTBALLS MUST HOLD TOGETHER WHEN THE PLANT IS REMOVEDFROM THE POT, EXCEPT THAT A SMALL AMOUNT OF LOOSE SOILMAY BE ON THE TOP OF THE ROOTBALL.2.PLANTS MUST NOT BE ROOT-BOUND; THERE MUST BE NOCIRCLING ROOTS PRESENT IN ANY PLANT INSPECTED.3.ROOTBALLS THAT HAVE CRACKED OR BROKEN WHEN REMOVEDFROM THE CONTAINER SHALL BE REJECTED.PLANT INSTALLATION SPECIFICATIONSScale: NTSTREE AND SHRUB PLANTING1Scale: NTSGROUNDCOVER PLANTING2Scale: NTSLIVE STAKE PLANTING3NOTES:1.INSTALL HARDWOOD CUTTINGS DURING THEIRDORMANCY. DO NOT ALLOW THEM TO DRY OUT.2.CUTTINGS SHALL BE 34" TO 1" IN DIAMETEROR APPROVED EQUIVALENT.3.INSTALL TO MIN. 2/3RDS DEPTH INTO SOIL. USETRIANGULAR SPACING. SEE PLANTING SCHEDULEFOR SPACING.4.INSURE THAT BUDS ARE POINTING UP.5.FIRM UP SOIL AROUND INSTALLED CUTTING.6.WATER AFTER PLANTING AND BEFORE MULCHING.SEE PLANTING SCHEDULEFOR MIN. LENGTHS2/3RDSCUTTINGHT.1/3RDCUTTINGHT.ANGLE CUTTING DOWNSLOPE. VERIFY ANGLE INFIELD WITH RESTORATION SPECIALIST.MINIMUM TWO LIVE BUDS EXPOSED ABOVE GROUND.TAMP SOIL AROUND CUTTING, ENSURE NO AIR POCKETS.SPECIFIED MULCH LAYER.FINISHED GRADESOIL AMENDMENTS AS SPECIFIED.FORM PILOT HOLE W/ ROCK BAR,REBARD OR OTHER PLANTING TOOL. DONOT HAMMER OR POUND IN CUTTINGSUNLESS APPROVED BY RESTORATIONSPECIALIST.ANGLE CUT AT BASE.Know what'sbelow.before you dig.CallRCONFORMED SET- 04/11/2023 PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15SITE PREPARATIONW4.0 OFSCALE: NTSNOXIOUS WEED REMOVAL & CONTROL NOTESNOTE:1. ALL INVASIVE PLANTS TO BE DISPOSED OF OFF-SITE. NOINVASIVE SPECIES SHALL BE CHIPPED FOR REUSE AS MULCH.REMOVE REED CANARYGRASS:1.DIG WITH HAND TOOLS ALL REED CANARYGRASS RHIZOMESFROM THE PLANTING AREA.2.REED CANARYGRASS CAN RESPROUT FROM BELOW-GROUNDPORTIONS, SO ALL RHIZOMES SHALL BE GRUBBED OUT.AROUND SIGNIFICANT VEGETATION TO REMAIN, REEDCANARYGRASS SHALL BE GRUBBED OUT BY HAND TOMINIMIZE DISRUPTION TO ADJACENT ROOTS.3.AFTER REED CANARYGRASS HAS BEEN REMOVED, AREASHOULD BE MULCHED AND PLANTED PER PLAN.4.DISPOSE OF REMOVED MATERIAL OFF-SITE AT APROFESSIONAL FACILITY.REMOVE HIMALAYAN/EVERGREEN BLACKBERRY:1.CUT ABOVE GROUND PORTION OF BLACKBERRY AND REMOVEOFF-SITE. ENSURE THAT NO NATIVE PLANTS ARE REMOVED.2.CANES SHALL BE REMOVED FROM CANOPY OF TREES TOREMAIN TO THE EXTENT FEASIBLE AS DETERMINED BY THERESTORATION SPECIALIST.3.DIG UP OR PULL THE REMAINING ROOT BALL. ENSURE THATNO NATIVE PLANT ROOTS ARE DAMAGED.4.REPLACE ANY DIVOTS CREATED WHEN REMOVING THE PLANTWITH APPROVED TOPSOIL.5.ALL CANES SHALL BE CUT BACK AND REMOVED WITHIN THETEN (10) FEET ADJACENT TO THE PLANTING AREA, INCLUDINGTREE CANOPY. CANES SHALL BE PULLED AND REMOVEDOFF-SITE.6.REVEGETATE PER PLANTING PLAN. COVER WITH WOOD CHIPMULCH FOUR INCHES DEEP.7.MONITOR SITE THROUGHOUT GROWING SEASON FOREMERGING CANES AND GRUB OUT AND REMOVE ANY NEWPLANTS. CONTINUE TO CUT BACK CANES TEN (10) FEET FROMTHE PLANTING AREA.REMOVE ENGLISH IVY:1.PHYSICALLY REMOVE ALL ENGLISH IVY VINES AND ROOTSFROM THE PLANTING AREA.2.IF GROWING ON TREE TRUNKS, CUT VINES TO HEIGHT OF 4'OFF GROUND. DO NOT PULL DOWN FROM TREE CROWNS.3.IVY CAN RESPROUT FROM BELOW-GROUND PORTIONS, SOALL ROOTS SHALL BE GRUBBED OUT BY HAND TO MINIMIZEDISRUPTION TO ADJACENT ROOTS.4.IVY SHALL BE CUT AROUND THE BASE OF EACH TREE, TOPREVENT THE IVY FROM GIRDLING THE TREES. REMOVESTANDING VINES FROM THE LOWER 4' OF EVERY TREE TRUNKTHAT CONTAINS ANY IVY.5.AFTER IVY HAS BEEN REMOVED, AREA SHOULD BE MULCHEDAND PLANTED PER PLAN.6.DISPOSE OF REMOVED MATERIAL PROPERLY OFF SITE.REMOVE ENGLISH HOLLY:1.FOR SMALL PLANTS, DIG OR PULL UP PLANT, TAKING CARETHAT ROOTS ARE REMOVED.2.FOR LARGER PLANTS, CUT TREE AT BASE.3.IMMEDIATELY AFTER CUTTING, APPLY HERBICIDECONTAINING THE ACTIVE INGREDIENT GLYPHOSATEDIRECTLY ONTO THE CUT PORTION OF THE STUMP.APPLICATION OF HERBICIDE SHOULD BE DONE BY AWASHINGTON STATE CERTIFIED APPLICATOR AND SHOULD BEDONE FOLLOWING MANUFACTURERS RATES ANDINSTRUCTIONS.4.DISPOSE OF REMOVED MATERIAL PROPERLY OFF SITE.REMOVE JAPANESE KNOTWEED:1.GRUB UP ALL PLANT ROOTS.2.DISPOSE OF PLANTS AND ROOTS IN THE GARBAGE. DO NOTCOMPOST.3.MULCH AND PLANT AREA ACCORDING TO PLAN.SOIL PREPARATION DETAILS AND NOTESScale: NTSSOIL PREPARATION SEQUENCE FOR BUFFER MIX C2STEP 1STEP 2STEP 3MIN. 8"EXISTING2" FINECOMPOSTScale: NTSSOIL PREPARATION SEQUENCE FOR BUFFER MIX B, D, AND E1BPLANTING AREA PREPARATIONMIN. 2"NOTES:1.BIOGRADABLE EROSION CONTROL BLANKET SHALL PROVIDEEROSION PROTECTION FOR 24-36 MONTHS, AND SHALL BE 100% COIRMATTING, 900 GRAMS, BY BROTHERS COIR MILLS PVT. LTD. OREQUIVALENT AS APPROVED BY THE OWNER'S REPRESENTATIVE.2.BLANKET SHALL BE CUT LARGER THAN THE INSTALLATION AREASHOWN ON THE CONTRACT DRAWINGS IN ORDER TO EXTEND BEYONDTHE EDGES AND KEY INTO THE SUBGRADE AS SHOWN.3.CLEAR ANY WEEDS OR DEBRIS FROM THE INSTALLATION AREABEFORE INSTALLING THE BLANKET.4.PREPARE SLOPE SOIL SURFACE PER PLAN.5.BURY THE TOP END OF THE BLANKET IN A TRENCH 6 INCHES DEEPAND 6 INCHES WIDE WITH A MIN. 12" OF FABRIC EXTENDING BEYONDUPSLOPE PORTION OF THE TRENCH. BACKFILL AND COMPACT THETRENCH AFTER SECURING.6.SECURE THE BLANKET AT THE TOP TRENCH WITH A ROW OF STAKES(PLANT OR DEAD WOOD) PLACED 12" APART ACROSS THE WIDTH OFTHE BLANKET.7.ROLL THE BLANKET ACROSS SLOPE AS DIRECTED BY OWNER'SREPRESENTATIVE.8.THE EDGES OF ALL HORIZONTAL AND VERTICAL SEAMS MUST BESECURED WITH A MIN. 12" OF OVERLAP.9.ADDITIONAL HORIZONTAL BLANKETS SHALL BE JOINED USING AMINIMUM 12" OVERLAPPING OR SHINGLE STYLE IN THE DIRECTION OFWATER FLOW. PLACE STAKES MIN. 6" APART ALONG THEOVERLAPPING SEAMS.10.KEY BLANKET INTO SUBGRADE AT BOTTOM OF SLOPE IN A 12" X 6"ANCHOR TRENCH. BACKFILL AND COMPACT TRENCH AFTERSECURING WITH STAKES EVERY 12".11.INSTALL LIVE STAKES THROUGH COIR PER PLANTING PLAN.12.NO FILL (COMPOST, MULCH, EROSION CONTROL BLANKET, ETC.) IS TOBE PLACED BELOW THE OHWM.STAKING PATTERN FOR HIGH FLOW CHANNEL (3,8 STAKES PER SQUARE YARD)VERIFY WITH MANUFACTURER WARRANTYOHWM20"10"4'-0"USE WASHED GRAVEL BACKFILLBLANKET KEYED AND STAKED INTOSUBGRADE. SEE PLAN FOR LOCATION.ENSURE MAXIMUM SOIL CONTACT TOPREVENT EROSION BENEATH THEMAT/BLANKET.DECOMPACT SOILS TO 8 INCHES.APPROVED PLANT STAKE. STAKEBLANKET PER STAKING PATTERN.12"6"6"3 6 " 8 " 3 " - 6 "6"1 2 "STEP 1REMOVE UNDESIRABLE SPECIESWITHIN CLEAR AND GRUB LIMITS.PLACE TWO (2) INCHES COMPOST.STEP 2INCORPORATE COMPOST TO AN EIGHT(8) INCH DEPTH.STEP 3INSTALL PLANTS (SEE PLANTINGDETAIL).STEP 4INSTALL MULCH LAYER FOUR (4)INCHES DEEPAND INSTALL PLANTS (SEE PLANTINGDETAIL).PLANTING AREA PREPARATIONSTEP 1REMOVE UNDESIRABLE SPECIES WITHIN BUFFER MIX C AREA.PLACE TWO (2) INCHES COMPOST. WITHIN TREE DRIPLINES,SCARIFY SOILS PRIOR TO PLACEMENT OF COMPOST, THENRAKE/SCARIFY TO MIX.STEP 2INCORPORATE COMPOST TO AN EIGHT (8) INCH DEPTH OUTSIDEOF TREE DRIPLINES. LAND CLEAR ONLY WITHIN TREE DRIPLINES.STEP 3INSTALL MULCH LAYER FOUR (4) INCHES DEEP. (SEE PLANTINGDETAIL.)STEP 4INSTALL EROSION CONTROL BLANKET AS SHOWN AND INSTALLPLANTS.STEP 44" WOODCHIP MULCHPLANTING AREA PREPARATIONSTEP 1REMOVE UNDESIRABLE SPECIES.WORK WITHIN EXISTING ROOTZONES SHALL BE DONE BY HAND.STEP 2PLACE 0.13 CF / 1 GALLON OFCOMPOST PER PLANTING PIT ANDMIX WITH EXCAVATED SOIL.STEP 3LEAVE MINIMUM ONE (1) INCH LAYEROF AMENDED SOIL AT THE BOTTOMOF THE PIT THEN INSTALL PLANT(SEE PLANTING DETAIL). BACKFILLWITH AMENDED SOIL.STEP 4INSTALL MULCH RING FOUR (4)INCHES DEEP AND EIGHTEEN (18)INCHES WIDE AROUND PLANT BASE.HOLD BACK MULCH FROM TRUNKS /STEMS.EXISTINGSTEP 14"ROOTBALLDEPTH2X MIN DIAROOTBALLSTEP 2STEP 3STEP 32" COMPOSTPITAMEND4" WOODCHIPMULCHScale: NTSSOIL PREPARATION FOR BUFFER MIX A: PIT AMEND EXISTING1AKnow what'sbelow.before you dig.CallRCONFORMED SET- 04/11/2023 EXISTING 48"CONCRETE CULVERT(SEE CIVIL)STREAM BUFFEREXISTING RIPRAP EXISTING GABION WALL (APPROX.LOCATION) (SEE CIVIL PLANS)STREAM DTREE TOP (LENGTH MIN. 20')LOG WITH ROOTS (LENGTH MIN.12')LOG (LENGTH MIN. 12' - 20')ROOT WAD (LENGTH 5' - 7')EXISTING GABION WALL ( SEE CIVIL PLANS)SEWER LINEPATH CENTERLINESTREAM OHWMSTREAM CENTERLINEPROPOSED PATHEXISTING TREE TO BE REMOVEDSSPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15NOTESANCHORED LARGE WOODY DEBRIS PLAN15.215.2W5.0 OF40105020SCALE: 1" = 10' WHEN PRINTED AT 22" x 34"1.ALL LOGS TO BE PLACED UNDER THE SUPERVISION OFSTREAM RESTORATION SPECIALIST.2.TREE TOP LIMBS ARE TO BE TRIMMED OFF ON ONE SIDETO ALLOW FOR TIGHTER FITTING TO THE STREAMBEDAND BANK.3.LOGS WITH ROOTS ARE TO BE IMBEDDED INTO THESTREAM BANK AS SHOWN ON PLANS.4.ALL LOGS ARE TO BE ANCHORED ACCORDING TO DETAILS2 AND 3 ON SHEET W5.1.LEGEND16" DIA CEDAR LOG WITH ATTACHED ROOTS20" DIA ROOTWAD16" DIA CEDAR LOG WITH ATTACHED ROOTSSEWER CIPP (SEE CIVIL PLANS)PROPOSED PATH CENTERLINELOCATE LOG AT TOE OF FAILING GABIONTHUNDER HILLS CREEKKnow what'sbelow.before you dig.CallRCONFORMED SET- 04/11/2023 010203051525APPROXIMATEEXISTINGGRADE35PARTIALLY INSERTLOG 4' INTO BANKAVOID SEWER LINE(SEE CIVIL PLAN)LOW WATER SURFACEACCESSTRAILMOVE EXISTING BOULDERS AS NEEDED TOFIELD FIT LOGSTREAM D1009998979695949392919089101102103BOLT SECURING LOG (SEEDETAIL 2)104100-YR WATER SURFACE1009998979695949392919089101102103104ANCHOR TO MINIMUM DEPTH AS RECOMMENDED BY PROJECTGEOTECHPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15ANCHORED LARGE WOODY DEBRIS NOTES & DETAILSW5.1 OFSCALE: NTSLARGE WOODY DEBRIS INSTALLATION NOTES1.ANCHORED LOGS ACCORDING TO THE LOG STRUCTURE LAYOUT ON THE PLANS.2.LAYOUT LOG STRUCTURES PER PLAN AND DETAILS, HOWEVER FIELD ADJUSTMENT MAY BENECESSARY. CONFIRM LAYOUT IN FIELD WITH ASSISTANCE FROM THE STREAM RESTORATIONCONSULTANT.3.LOG PROTRUSION DISTANCE INTO THE STREAM VARIES. LOGS WHICH PROTRUDE INTO THESTREAM CHANNEL ARE TO BE ANGLED SLIGHTLY DOWNWARDS AWAY FROM THE BANK.4.UNDER THE SUPERVISION OF THE STREAM RESTORATION SPECIALIST, ADJUST EXISTING ROCK TOFIELD FIT AND SUPPORT LOGS AND ROOT WADS IN THE STREAM CHANNEL.5.ANCHOR LOGS USING DRILLED ROCK ANCHORS IN BEDROCK (SEE SHEET W5.2, DETAILS 2 AND 3).TREE TOPLOG WITH ROOTSLOGROOT WADNUMBEROFPIECES3231LOGS SHALL BE SECURED WITH 34"DIAMETER EYE BOLTS DRIVEN THROUGHPILOT HOLES DRILLED THROUGH THECENTER OF LOGS WITH 3" BRIDGE WASHERSAT EACH END. EYE BOLTS SHALL THEN BECHAINED TO ROCK ANCHOR SYSTEMCAPABLE OF HOLDING 5,000 LBS MINIMUM.ONCE NUT IS FIRMLY SECURED, CUT OFFBOLT APPROX. 1/4" ABOVE THE NUT ANDHAMMER BOLT END TO PREVENT REMOVALOF NUT.NOTE:1.IN SOME INSTANCES, IF ANCHORING SYSTEM IS ATTACHED TOCTB (CONTINUOUSLY THREADED BAR) IT MAY BE FEASIBLE TOPLACE THE LOG SUCH THAT THE ROD PASSES THROUGH THEPRE-DRILLED HOLE AND SECURED USING A BRIDGE WASHERAND NUT AS DESCRIBED ABOVE.2.EACH LOG SHALL HAVE AT LEAST 2 ANCHORING POINTS, ANDEACH ROOT WAD AND TREE TOP SHALL HAVE AT LEAST 1ANCHORING POINT.EYE-BOLT (OR THREADEDROD) SHALL PASS THROUGHMIN. 12" OF SOLID WOOD.TYPICAL LOGBANKUPLAND48" MIN.48" MIN.ROOT WADEYE-BOLT (ORTHREADED ROD)SHALL PASSTHROUGH MIN. 12"OF SOLID WOOD.ATTACH CHAIN TO ANCHOR48" MIN.BEDROCKOHWMU-SHAPED, NO. 4 PLAIN STEELREINFORCEMENT BAR INSERTED AMIN. 6" INTO BEDROCK USING TYPE IVEPOXY ADHESIVE FOR MARINE USES.SECURE CHAIN TO EYE BOLTUSING TWO REMOVABLE LINKSScale: NTSLOG ANCHORING2MATERIALS SPECIFICATIONS1)ANCHORED LOGS SHALL BE WESTERN REDCEDAR TREES SOURCED FROMONSITE. THESE TREES CAN BE FOUND ON THE CIVIL ENGINEERING PLANSFOR THE SEWER INTERCEPTOR REHABILITATION PLANS. THE TOTALNUMBER AND TYPE OF WOOD IS LISTED BELOW:WOODYDEBRISTYPEScale: NTSCROSS-SECTION W5.01LOGDIMENSION20' MIN12' MIN12' - 20' MIN5' - 7'NUMBER OFANCHORSPER LOG1221ANCHOR SPECIFICATIONS1)IF BEDROCK CANNOT BE REACHED NEAR LOG LOCATION THEN BOULDERS ARE TO BE USED. ADJUSTEXISTING BOULDER LOCATIONS TO FACILITATE LOG POSITIONING AND ANCHORING (SEE DETAIL 3), ANDTO MEET ANCHORING REQUIREMENTS AS PROVIDED IN THE DETAILS AND SPECIFICATIONS.2)ALL WOOD IS TO BE ANCHORED USING ROCK ANCHORS DRILLED INTO THE BEDROCK.3)ANCHORS ARE TO BE GLUED ROCK ANCHORS CAPABLE OF A LOADING CAPACITY OF 5,000 LBS WHENPROPERLY INSTALLED. EPOXY MUST BE DESIGNATED FOR WET OR IN-WATER USE (SEE SHEET W5.2,DETAIL 3).4)SEE SHEET W5.2, DETAIL 2 FOR ATTACHING ROCK ANCHORS TO INSTALLED WOOD.NOTE: BOULDERS USED MUST BEALREADY EXISTING ONSITE AND MEETMINIMUM SIZE REQUIREMENT OF 5,000 LBSDRILL TWO 34" HOLES A MIN.6" DEEP. CLEAN HOLETHOROUGHLY BYPOURING WATER INTOHOLE AND PLUNGING WITHA NYLON BRUSH UNTILWATER IS CLEAN. RINSEWELL.U-SHAPED, NO. 4 DEFORMEDPLAIN STEEL BAR (0.5" DIAM.)INSERTED A MIN. 6" INTOROCK. ATTACH TO BOULDERUSING TYPE IV EPOXYADHESIVE INTENDED FORMARINE USES.SECURE CHAIN TO EYE BOLTUSING TWO REMOVABLE LINKSMIN. 6"Scale: NTSBOULDER ANCHOR ALTERNATIVE3MIN. DBH8"16"16"18"Know what'sbelow.before you dig.CallRCONFORMED SET- 04/11/2023 EXISTING 48"CONCRETE CULVERT(SEE CIVIL)STREAM BUFFEREXISTING RIPRAP EXISTING GABION WALL (APPROX.LOCATION) (SEE CIVIL PLANS)STREAM DEXISTING GABION WALL ( SEE CIVIL PLANS)SEWER LINEPATH CENTERLINESTREAM OHWMSTREAM CENTERLINEPROPOSED PATHEXISTING TREE TO BE REMOVEDSSPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15NOTESTEMPORARY BYPASS PLANSANDBAG COFFERDAMWRAPPED IN PLASTIC(SEE NOTES)W6.0 OF40105020SCALE: 1" = 10' WHEN PRINTED AT 22" x 34"1.ALL IN-WATER WORK SHALL COMPLY WITH APPROVED WDFW ANDUSACE PERMIT CONDITIONS.2.CONTRACTOR IS RESPONSIBLE FOR ENSURING BYPASS CONVEYSENTIRE BASEFLOW.3.THOUGH NO FISH ARE EXPECTED, TEST THE IN-WATER WORKAREA FOR LOG STRUCTURE PLACEMENT FOR FISH USE BYELECTROFISHING. IF FISH ARE FOUND, SET UP FISH SCREENS ORBLOCK NETTING UPSTREAM AND DOWNSTREAM OF THE PROJECTAREA TO IDENTIFY LIMITS OF FISH REMOVAL. USE SEINE AND DIPNETS AND/OR ELECTROFISHING EQUIPMENT IN THAT ORDER OFPREFERENCE TO REMOVE ANY FISH FROM THE PROJECT AREA.4.PLACE COFFERDAM AND PROVIDE A TEMPORARY BYPASS TOROUTE WATER AROUND THE WOOD INSTALLATION AREA.CONTRACTOR SHALL SUBMIT SANDBAG COFFERDAM DETAIL FORAPPROVAL BY RESTORATION SPECIALIST.5.PLACE EROSION CONTROL FEATURES AND ELEMENTS AS SHOWNON THE CIVIL PLANS TO PREVENT SEDIMENT FROM MOVING OUTOF THE PROJECT AREA. EROSION CONTROL WILL BE PROVIDED INACCORDANCE WITH BOTH THE CITY OF RENTON MAINTENANCESTANDARD OPERATION PROCEDURES AND KING COUNTYREGIONAL ROAD MAINTENANCE ESA PROGRAM GUIDELINES.6.AFTER IN-WATER WORK HAS BEEN COMPLETED, REMOVE THETEMPORARY STREAM BYPASS.7.RESTORE ALL DISTURBED AREAS BY REMOVING INVASIVESPECIES AND REPLANTING WITH WOODY MATERIAL INCLUDINGTREES, SHRUBS, AND LIVE STAKES ACCORDING TO THEMITIGATION PLANTING PLANS TO PROVIDE SHADE AND HABITAT.8.SHOULD IT RAIN A SUFFICIENT AMOUNT DURING CONSTRUCTION,SUCH THAT THE CAPACITY OF THE BYPASS SYSTEM IS EXCEEDED,ALL WORK WITHIN THE STREAM OHWM SHOULD BE STOPPED.WORK WITHIN THE OHWM SHOULD NOT RESUME AGAIN UNTIL THESTREAM HAS RETURNED TO BASEFLOW.PROPOSED SEWER CIPP(SEE CIVIL PLANS)PROPOSED PATH CENTERLINE(SEE CIVIL PLANS)THUNDER HILLS CREEKTEMPORARY FLEXIBLE BYPASS PIPE CAPABLEOF CONVEYING ENTIRE STREAM BASEFLOWPLACE DISCHARGE END OF PIPE AFTERTREE TOP LOCATION (SEE SHEET W5.1).SHOULD BYPASSED FLOWS CREATE ABACKWATER EFFECT INTO THE PROJECTAREA, CREATE DOWNSTREAM SANDBAGCOFFERDAMKnow what'sbelow.before you dig.CallRLEGENDCONFORMED SET- 04/11/2023 PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-28-2019 90% PLANS LJM 4 07-01-2019 100% PLANS LJM ALICIA KELLOGG TWC-131113_03611 THUNDER HILLS_100%.DWG 15MITIGATION NOTESW7.0 OFMITIGATION NOTESPROJECT SUMMARYPERMANENT BUFFER IMPACTS WILL BE COMPENSATED AT A RATIO SLIGHTLY GREATER THAN ONE-TO-ONE. 42,945 SQUARE FEETOF EXISTING BUFFER WILL BE ENHANCED THROUGH REMOVAL OF INVASIVE VEGETATION, PLANTING OF NATIVE VEGETATION,AND MONITORING AND MAINTAINING OF PLANTED VEGETATION UNTIL ESTABLISHMENT.GIVEN THE STEEP NATURE OF THE PROJECT SITE AND THE LACK OF PUBLIC OWNERSHIP, ON-SITE COMPENSATION FOR DIRECTWETLAND IMPACTS IS NOT FEASIBLE. ADDITIONALLY, THE CORPS AND ECOLOGY HAVE ESTABLISHED A PREFERENCE FOR THEUSE OF MITIGATION BANKS OR IN-LIEU FEE PROGRAMS OVER ON-SITE, PERMITTEE-RESPONSIBLE MITIGATION. DIRECT WETLANDIMPACTS FROM THE PROJECT WILL THEREFORE BE COMPENSATED THROUGH THE PURCHASE OF CREDITS FROM THE CITY OFRENTON'S APPROVED MITIGATION BANK ON SPRINGBROOK CREEK. THE DETAILS OF THIS PURCHASE AND MITIGATIONAPPROACH ARE PROVIDED IN THUNDER HILLS CREEK SANITARY SEWER REHABILITATION MITIGATION BANK USE PLAN (THEWATERSHED COMPANY 2017B).ALTHOUGH NO DIRECT FISH-BEARING STREAM IMPACTS ARE PROPOSED, THE PROJECT AREA IS WITHIN THE DESIGNATED USUALAND ACCUSTOMED FISHING GROUNDS OF THE MUCKLESHOOT TRIBE. AS A RESULT OF INPUT FROM THE MUCKLESHOOT TRIBE,THE PROJECT PROPOSES PLACEMENT OF LARGE WOOD IN THUNDER HILLS CREEK TO ENHANCE FISH HABITAT SHOULD THEEXISTING FISH PASSAGE BARRIERS BE CORRECTED AND FISH USE IN THE CREEK RESUMED IN THE FUTURE. LARGE WOOD WILLINCLUDE NINE LOG, ROOTWAD, AND TREETOP SECTIONS ALONG THE LOWER SECTION OF CREEK, EXTENDING APPROXIMATELY250 FEET UPSTREAM FROM THE INTERSTATE 405 CULVERT INLET.AS OF 5/15/2019, THESE PLANS WERE UPDATED TO INCLUDE THE PLACEMENT OF AN ADDITIONAL 32 LOGS IN OR ADJACENT TOTHE STREAM. THIS UPDATE IS A RESPONSE TO INPUT PROVIDED BY THE MUCKLESHOOT TRIBE.GOALS AND OBJECTIVESGOAL:RESTORE HABITAT FUNCTIONS THAT MAY HAVE BEEN INTERRUPTED DUE TO TEMPORARY AND PERMANENT IMPACTS TOCRITICAL AREAS AND THEIR BUFFERS.OBJECTIVES:1.RESTORE SOILS REMOVED OR COMPACTED ALONG EQUIPMENT ACCESS AND STAGING AREAS.2.ESTABLISH DENSE AND DIVERSE NATIVE TREE, SHRUB, AND GROUNDCOVER VEGETATION WHERE DAMAGED DURINGCONSTRUCTION.3.REMOVE AND CONTROL INVASIVE WEEDS FROM RESTORATION AREAS.4.INCREASE STREAM HABITAT VALUE THROUGH THE INSTALLATION OF WOODY DEBRIS IN THE STREAM CHANNEL.PERFORMANCE STANDARDSTHE PERFORMANCE STANDARDS (PS) LISTED BELOW WILL BE USED TO JUDGE THE SUCCESS OF THE PLAN OVER TIME. IF THESTANDARDS ARE MET AT THE END OF THE FIVE-YEAR MONITORING PERIOD, THE RESTORATION SITE WILL BE CONSIDEREDSUCCESSFUL AND THE PROJECT WILL HAVE MET ALL CRITICAL AREA PERMITTING OBLIGATIONS.PS 1.SOILS:A.TEMPORARILY-PLACED SAND, GRAVEL, HOG FUEL, AND/OR OTHER FILL MATERIALS WILL BE ABSENT FROM EQUIPMENTACCESS AND STAGING AREA AT NORTH END OF CONSTRUCTION AREA.B.SOILS WILL BE DECOMPACTED PRIOR TO PLANTING.C.SOILS WILL BE AMENDED WITH COMPOST PRIOR TO PLANTING.PS 2.SURVIVAL/DIVERSITY:A.100% SURVIVAL OF ALL WOODY PLANTINGS AT THE END OF YEAR ONE. THIS STANDARD MAY BE MET THROUGHESTABLISHMENT OF INSTALLED PLANTS OR BY REPLANTING AS NECESSARY TO ACHIEVE THE REQUIRED NUMBERS.B.80% SURVIVAL OF ALL WOODY PLANTINGS AT THE END OF YEAR TWO. THIS STANDARD MAY BE MET THROUGHESTABLISHMENT OF INSTALLED PLANTS OR BY REPLANTING AS NECESSARY TO ACHIEVE THE REQUIRED NUMBERS.SURVIVAL BEYOND YEAR TWO IS DIFFICULT TO TRACK. THEREFORE, A DIVERSITY STANDARD IS PROPOSED IN PLACE OFSURVIVAL (BELOW). AREAS PLANTED ENTIRELY WITH LIVE CUTTINGS, OR DENSE GROUNDCOVER/EMERGENT PLANTINGS,SHALL NOT BE HELD TO THE 80% SURVIVAL STANDARD. ANY SUCH AREAS THAT EXHIBIT WIDESPREAD MORTALITY SHALLBE RE-EVALUATED BY THE RESTORATION SPECIALIST TO ASCERTAIN THE SITE-SPECIFIC VIABILITY OF THE CUTTINGS.PS 3.NATIVE WOODY VEGETATION COVER (APPLIES TO BUFFER MIX PLANTING AREAS B, C, D AND E ONLY):A.ACHIEVE AT LEAST 60% COVER OF NATIVE WOODY SPECIES BY THE END OF YEAR 3. VOLUNTEER SPECIES MAY COUNTTOWARDS THIS STANDARD.B.ACHIEVE AT LEAST 80% COVER OF NATIVE WOODY SPECIES BY THE END OF YEAR 5. VOLUNTEER SPECIES MAY COUNTTOWARDS THIS STANDARD.PS 4.DIVERSITY:A.ESTABLISH AT LEAST 1 NATIVE TREE SPECIES, 5 NATIVE SHRUB SPECIES, AND 2 NATIVE GROUNDCOVER SPECIES BY THEEND OF YEAR 5.PS 5.INVASIVE SPECIES STANDARDS:A.NO MORE THAN 10% COVER OF INVASIVE SPECIES IN ANY OF THE PLANTING AREAS, IN ANY MONITORING YEAR. MORETHAN 5% COVER OF INVASIVE WEEDS IN ANY YEAR WILL TRIGGER MAINTENANCE WEEDING.AS-BUILT PLANAN AS-BUILT PLAN WILL BE PREPARED WITHIN 30 DAYS OF SUBSTANTIALLY COMPLETE CONSTRUCTION OF THE RESTORATIONAREA. THE AS-BUILT PLAN WILL DOCUMENT SUBSTANTIAL CONFORMANCE WITH THESE PLANS AND ALSO WILL DISCLOSE ANYSUBSTITUTIONS OR OTHER NON-CRITICAL DEPARTURES. THE AS-BUILT PLAN WILL ESTABLISH BASELINE PLANT INSTALLATIONQUANTITIES (BASED ON SAMPLE COUNTS OR INVOICES), AND PHOTO POINTS THAT WILL BE USED THROUGHOUT THEMONITORING PERIOD TO MEASURE THE PERFORMANCE STANDARDS OVER TIME. THE AS-BUILT DOCUMENTATION SHOULDINCLUDE A MARKUP OF THE ORIGINAL PLAN NOTING ANY DEPARTURES, PLUS THE LOCATION OF PHOTO POINTS.MONITORA FIVE-YEAR MONITORING PLAN IS PROPOSED TO ENSURE SUCCESS OF ALL REQUIRED PLANTING THAT WAS INSTALLED TORECTIFY OR MITIGATE ADVERSE IMPACTS. MAINTENANCE AND CORRECTIVE ACTIONS WILL BE CONDUCTED AS NECESSARYBASED ON MONITORING RESULTS OVER TIME.MONITORING METHODSTHIS MONITORING PROGRAM IS DESIGNED TO TRACK THE SUCCESS OF THE RESTORATION SITE OVER TIME BY MEASURING THEDEGREE TO WHICH THE PERFORMANCE STANDARDS LISTED ABOVE ARE BEING MET.MONITORING SHALL OCCUR TWICE ANNUALLY FOR FIVE YEARS. A SPRING MONITORING VISIT SHALL RECORD NECESSARYREPLANTING, WEEDING, INVASIVE CONTROL, AND OTHER MAINTENANCE NEEDS. THE CONSTRUCTED IN-STREAM HABITATFEATURES INCLUDING THE LOG STRUCTURES WILL ALSO BE INSPECTED IN THE SPRING ONCE EACH YEAR FOR FIVE YEARSFOLLOWING CONSTRUCTION TO IDENTIFY ANY MAINTENANCE OR REPAIRS THAT WOULD NEED TO BE DONE DURING THEUPCOMING LOW-FLOW SEASON. STREAM BANK AND LOG STRUCTURE FUNCTIONING WOULD BE ASSESSED. EXAMPLES OFSTREAM CHANNEL MAINTENANCE OR REPAIR MIGHT INCLUDE STABILIZING ANY ERODING STREAMBANKS OR SECURING ANYLOGS THAT MAY THREATEN TO BE WASHED DOWNSTREAM. THE RESTORATION SPECIALIST WILL NOTIFY THE OWNER AND/ORMAINTENANCE CREWS OF NECESSARY EARLY SEASON MAINTENANCE. THE SECOND VISIT SHALL OCCUR IN LATE SUMMER ORFALL AND CONTAIN THE BULK OF THE MONITORING WORK. THE ANNUAL MONITORING REPORT WILL RELATE THE FOLLOWINGINFORMATION:1.GENERAL SUMMARY OF THE SPRING VISIT.2.FIRST- AND SECOND-YEAR COUNTS OF SURVIVING AND DEAD/DYING WOODY PLANTS.3.ESTIMATES OF NATIVE WOODY SPECIES COVER IN RESTORATION AREAS USING THE COVER CLASS METHOD.4.ESTIMATES OF INVASIVE SPECIES COVER IN RESTORATION AREAS USING THE COVER CLASS METHOD.5.COUNTS OF ESTABLISHED NATIVE SPECIES TO DETERMINE SITE DIVERSITY.6.NOTES AND/OR SKETCHES OF INVASIVE WEEDS OR BARE AREAS.7.PHOTOGRAPHIC DOCUMENTATION FROM ESTABLISHED REFERENCE POINTS.8.INTRUSIONS INTO THE PLANTING AREAS, VANDALISM, TRASH, AND OTHER ACTIONS DETRIMENTAL TO THE OVERALL HEALTHOF THE RESTORATION AREA.9.RECOMMENDATIONS FOR MAINTENANCE IN THE RESTORATION AREA.MAINTENANCETHIS SITE WILL BE MAINTAINED FOR FIVE YEARS FOLLOWING COMPLETION OF THE CONSTRUCTION.1.REPLACE EACH PLANT FOUND DEAD IN THE SUMMER MONITORING VISITS DURING FROST-FREE PERIODS ONLY IN THEUPCOMING FALL DORMANT SEASON (OCTOBER 15 TO MARCH 1) FOR THE FIRST TWO MONITORING YEARS. REPLACE PLANTSAS DIRECTED IN SUBSEQUENT MONITORING REPORTS.2.FOLLOW THE RECOMMENDATIONS NOTED IN THE SPRING MONITORING SITE VISIT.3.GENERAL WEEDING FOR ALL PLANTED AREAS:A.AT LEAST TWICE YEARLY, REMOVE ALL COMPETING GRASS AND WEEDS, INCLUDING ROOTS, FROM BENEATH EACHINSTALLED PLANT AND ANY DESIRABLE VOLUNTEER VEGETATION TO A DISTANCE OF 18 INCHES FROM THE MAIN PLANTSTEM. WEEDING SHOULD OCCUR AT LEAST TWICE DURING THE SPRING AND SUMMER. FREQUENT WEEDING WILL RESULTIN LOWER MORTALITY AND LOWER PLANT REPLACEMENT COSTS.B.MORE FREQUENT WEEDING MAY BE NECESSARY DEPENDING ON WEED CONDITIONS THAT DEVELOP AFTER PLANINSTALLATION.C.DO NOT WEED THE AREA NEAR THE PLANT BASES WITH STRING TRIMMER (WEED WHACKER/WEED EATER). NATIVE PLANTSARE EASILY DAMAGED OR KILLED, AND WEEDS EASILY RECOVER AFTER TRIMMING.4.APPLY SLOW RELEASE GRANULAR, AQUATIC SAFE FERTILIZER TO EACH INSTALLED PLANT ANNUALLY IN THE SPRING (BY JUNE1) OF YEARS 2 THROUGH 5.5.MULCH THE WEEDED AREAS BENEATH EACH PLANT WITH WOOD CHIPS AS NECESSARY TO MAINTAIN A 4-INCH-THICK MULCHLAYER AND KEEP DOWN WEEDS.CONTINGENCY PLANS AND ADAPTIVE MANAGEMENTTHESE PLANS HAVE BEEN PREPARED TO ENSURE SUCCESS TO THE MAXIMUM PRACTICABLE EXTENT. QUALITY ANDCONSISTENCY OF INSTALLATION, MAINTENANCE, WEATHER PATTERN EXTREMES, WILDLIFE DAMAGE, VANDALISM AND OTHERFACTORS CAN SINGLY OR IN COMBINATION CHANGE CONDITIONS AT MITIGATION SITES AND AFFECT EVENTUAL SUCCESS OFTHESE PLANS. THEREFORE, ADAPTIVE MANAGEMENT SHOULD BE EMPLOYED TO EVALUATE PROBLEMS AS THEY ARISE ANDDEVELOP FLEXIBLE AND PRACTICAL SOLUTIONS. EXAMPLES CAN INCLUDE BUT ARE NOT LIMITED TO PLANT SUBSTITUTION,CHANGES IN TARGET VEGETATION CLASSES, SOIL AMENDMENT, AND RE-GRADING. AS A LAST RESORT, MODIFICATION OFPERFORMANCE STANDARDS CAN BE NECESSARY. ANY ACTIONS INVOLVING MAJOR DEPARTURES FROM THE ORIGINAL PLAN ORGOALS AND PERFORMANCE STANDARDS SHOULD BE DISCUSSED AND AGREED TO WITH REGULATORY AGENCIES AHEAD OFIMPLEMENTATION.Know what'sbelow.before you dig.CallRCONFORMED SET- 04/11/2023