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HomeMy WebLinkAboutTract Map 23209 Lot 40 WQMP - Campbell ResidenceCity of Temecula WATER QUALITY MANAGEMENT PLAN (WQMP) PROJECT NAME & PERMIT NO: Campbell ADU Permit No: LD23-6285 PROJECT ADDRESS: 40816 Cebu Drive, Temecula, CA 92591 PROJECT APN: 957-580-009 PREPARED BY: Name Cal Land Engineering & Associates, Inc._ Address 574 E Lambert Road________________ Brea, CA 92821____________________ Phone (714) 671 – 1050___________________ Email callandeng@callandeng.com__________ PREPARED FOR: Name Monique Campbell__________________ Address 40816 Cebu Drive___________________ Temecula, CA 92591_________________ Phone (310) 213 – 2237____________________ Email Monique.Campell01@gmail.com________ DATE OF WQMP: 11/26/2024 APPROVED BY: APPROVAL DATE: APPROVED BY CITY OF TEMECULA PUBLIC WORKS david.pina 12/10/2024 12/10/2024 12/10/2024 12/10/20 ii WQMP Preparation Date: ___________ Template Date: October 31st, 2018 Applicant's Certification Project Name: Campbell ADU Permit Number: LD23-6285 APPLICANT'S CERTIFICATION I have read and understand that the City of Temecula has adopted minimum requirements for managing urban runoff, including stormwater, from land development activities, as described in the BMP Design Manual. I certify that this WQMP has been completed to the best of my ability and accurately reflects the project being proposed and the applicable BMPs proposed to minimize the potentially negative impacts of this project's land development activities on water quality. I understand and acknowledge that the plan check review of this WQMP by City staff is confined to a review and does not relieve me, as the Applicant, of my responsibilities for project design. I hereby declare that the design is consistent with the requirements of the City of Temecula BMP Design Manual, which is a design manual for compliance with local City of Temecula Stormwater and Urban Runoff Management and Discharge Controls Ordinance (Chapter 8.28 et seq.) and regional MS4 Permit (California Regional Water Quality Control Board San Diego Region Order No. R9-2013-0001 as amended by R9-2015-0001 and R9-2015-0100) requirements for stormwater management; as well as the requirements of the City of Temecula Engineering and Construction Manual (Chapter 18) and the City of Temecula Erosion and Sediment Control Ordinance (Chapter 18.18 et seq.). 11-26-2024 Applicant’s Signature Date: Jack Lee Print Name Cal Land Engineering & Associates, Inc. Company STOP! Before continuing this form review Chapter 1.3 of the BMP Design Manual. If the project type is listed in Table 1-2, permanent stormwater requirements do not apply to your project. Write your exempt project category in the space provided below and skip to Step 3. Do not complete Steps 1, 2, or 4 of this WQMP. Exempt Project category WQMP iii Template Date: August 1, 2016 Preparation Date: [INSERT MO/DY/YR] 4 WQMP Preparation Date: ___________ Template Date: October 31st, 2018 Step 1: Source Control BMP Checklist Source Control BMPs All development projects must implement source control BMPs 4.2.1 through 4.2.6 where applicable and feasible. See Chapter 4.2 and Appendix E of the City BMP Design Manual for information to implement source control BMPs shown in this checklist. Answer each category below pursuant to the following: "Yes" means the project will implement the source control BMP as described in Chapter 4.2 and/or Appendix E of the City BMP Design Manual. Discussion / justification must be provided and show locations on the project plans. Select applicable Source Controls in the Source Control BMP summary on the following page. "No" means the BMP is applicable to the project but it is not feasible to implement. Discussion / justification must be provided. "N/A" means the BMP is not applicable at the project site because the project does not include the feature that is addressed by the BMP (e.g., the project has no outdoor materials storage areas). Discussion / justification must be provided. Source Control Requirement Applied? 4.2.1 Prevention of Illicit Discharges into the MS4 Yes No N/A Discussion / justification: Illicit Discharges will not be a result of proposed project. 4.2.2 Storm Drain Stenciling or Signage Yes No N/A Discussion / justification: Proposed permanent storm drain system is too small and inaccessible to public. 4.2.3 Protect Outdoor Materials Storage Areas from Rainfall, Run-On, Runoff, and Wind Dispersal Yes No N/A Discussion / justification: There are no outdoor material storage areas as part of this project. 4.2.4 Protect Materials Stored in Outdoor Work Areas from Rainfall, Run-On, Runoff, and Wind Dispersal Yes No N/A Discussion / justification: All of the fact sheets presented in Appendix E are not applicable to project. 4.2.5 Protect Trash Storage Areas from Rainfall, Run-On, Runoff, and Wind Dispersal Yes No N/A Discussion / justification: Outdoor trash storage areas are not proposed on project 4.2.6 Additional BMPs Based on Potential Sources of Runoff Pollutants Yes No N/A WQMP 5 Template Date: October 31st, 2018 Preparation Date:___________ Discussion / justification. Clearly identify which sources of runoff pollutants are discussed: There are no atypical or excessive pollutants generated from proposed project Source Control BMP Summary Select all source control BMPs identified for your project in sections 4.2.1 through 4.2.6 above in the coulumn on the left below and shown on the project plans applicable to your project. SC-A. On-site storm drain inlets Yes No N/A SC-B. Interior floor drains and elevator shaft sump pumps Yes No N/A SC-C. Interior parking garages Yes No N/A SC-D1. Need for future indoor & structural pest control Yes No N/A SC-D2. Landscape/outdoor pesticide use Yes No N/A SC-E. Pools, spas, ponds, fountains, and other water features Yes No N/A SC-F. Food service Yes No N/A SC-G. Refuse areas Yes No N/A SC-H. Industrial processes Yes No N/A SC-I. Outdoor storage of equipment or materials Yes No N/A SC-J. Vehicle and equipment cleaning Yes No N/A SC-K. Vehicle/equipment repair and maintenance Yes No N/A SC-L. Fuel dispensing areas Yes No N/A SC-M. Loading docks Yes No N/A SC-N. Fire sprinkler test water Yes No N/A SC-O. Miscellaneous drain or wash water Yes No N/A SC-P. Plazas, sidewalks, and parking lots Yes No N/A SC-Q. Large trash generating facilities Yes No N/A SC-R. Animal facilities Yes No N/A SC-S. Plant nurseries and garden centers Yes No N/A SC-T. Automotive facilities Yes No N/A Note: Show all source control measures applied above on the plan sheets. 6 WQMP Preparation Date: ___________ Template Date: October 31st, 2018 Step 2: Site Design BMP Checklist Site Design BMPs All development projects must implement site design BMPs SD-A through SD-H where applicable and feasible. See Chapter 4.3 and Appendix E of the City BMP Design Manual for information to implement site design BMPs shown in this checklist. Answer each category below pursuant to the following: "Yes" means the project will implement the site design BMP as described in Chapter 4.3 and/or Appendix E of the City BMP Design Manual. Discussion / justification must be provided and show locations on the project plans. "No" means the BMP is applicable to the project but it is not feasible to implement. Discussion / justification must be provided. "N/A" means the BMP is not applicable at the project site because the project does not include the feature that is addressed by the BMP (e.g., the project site has no existing natural areas to conserve). Discussion / justification must be provided. Site Design Requirement Applied? 4.3.1 Maintain Natural Drainage Pathways and Hydrologic Features Yes No N/A Discussion / justification: Natural drainage pathways and hydrologic features have been maintained. Flow line from proposed project confluences with existing development drainage pattern. 4.3.2 Conserve Natural Areas, Soils, and Vegetation Yes No N/A Discussion / justification: Natural hillside outside of proposed ADU development shall be conserved 4.3.3 Minimize Impervious Area Yes No N/A Discussion / justification: Impervious footprint of the project is minimized. For example, there are no impervious walkways proposed. 4.3.4 Minimize Soil Compaction Yes No N/A Discussion / justification: Natural hillside shall be conserved. 4.3.5 Impervious Area Dispersion Yes No N/A Discussion / justification: Stormwater that falls on impervious proposed roof shall disperse to adjacent pervious areas prior to discharge to street. 4.3.6 Runoff Collection Yes No N/A Discussion / justification: 4.3.7 Landscaping with Native or Drought Tolerant Species Yes No N/A Discussion / justification: Landscaping with native and/or drought tolerant species shall be used. See landscaping/architectural plans for more details. WQMP 7 Template Date: October 31st, 2018 Preparation Date:___________ 4.3.8 Harvesting and Using Precipitation Yes No N/A Discussion / justification: Step 3: Construction Stormwater BMP Checklist Minimum Required Standard Construction Stormwater BMPs Table 1 on the following page (Minimum Required Standard Construction Stormwater BMPs). As noted in Table 1, please select at least the minimum number of required BMPs 1, or as many as are feasible for your project. If no BMP is selected, an explanation must be given in the box provided. The following questions are intended to aid in determining construction BMP requirements for your project. Note: All selected BMPs below must be included on the BMP plan incorporated into the construction plan sets. 1. Will there be soil disturbing activities that will result in exposed soil areas? (This includes minor grading and trenching.) Reference Table 1 Items A, B, D, and E Note: Soil disturbances NOT considered significant include, but are not limited to, change in use, mechanical/electrical/plumbing activities, signs, temporary trailers, interior remodeling, and minor tenant improvement. Yes No 2. Will there be asphalt paving, including patching? Reference Table 1 Items D and F Yes No 3. Will there be slurries from mortar mixing, coring, or concrete saw cutting? Reference Table 1 Items D and F Yes No 4. Will there be solid wastes from concrete demolition and removal, wall construction, or form work? Reference Table 1 Items D and F Yes No 5. Will there be stockpiling (soil, compost, asphalt, concrete, solid waste) for over 24 hours? Reference Table 1 Items D and F Yes No 6. Will there be dewatering operations? Reference Table 1 Items C and D Yes No 7. Will there be temporary on-site storage of construction materials, including mortar mix, raw landscaping and soil stabilization materials, treated lumber, rebar, and plated metal fencing materials? Reference Table 1 Items E and F Yes No 8. Will trash or solid waste product be generated from this project? Reference Table 1 Item F Yes No 9. Will construction equipment be stored on site (e.g.: fuels, oils, trucks, etc.?) Reference Table 1 Item F Yes No - Reference Table 1 Item F Yes No 1 Minimum required BMPs are those necessary to comply with the City of Temecula Erosion and Sediment Control Ordinance (Chapter 18.18 et seq.) and the City of Temecula Engineering and Construction Manual (Chapter 18). 8 WQMP Preparation Date: ___________ Template Date: October 31st, 2018 Table 1. Construction Stormwater BMP Checklist Minimum Required Best Management Practices (BMPs) CALTRANS SW Handbook2 Detail BMP Selected Reference sheet No. selected BMP is shown on the plans. If no BMP is selected, an explanation must be provided. A. Select Erosion Control Method for Disturbed Slopes (choose at least one for the appropriate season) Vegetation Stabilization Planting3 (Summer) SS-2, SS-4 Fiber roll erosion control BMP shall be used on project. Hydraulic Stabilization Hydroseeding2 (Summer) SS-4 Bonded Fiber Matrix or Stabilized Fiber Matrix4 (Winter) SS-3 Physical Stabilization Erosion Control Blanket3 (Winter) SS-7 B. Select erosion control method for disturbed flat areas (slope < 5%) (choose at least one) Will use erosion control measures from Item A on flat areas also SS-3, 4, 7 Fiber roll erosion control BMP shall be used on project. Sediment Desilting Basin (must treat all site runoff) SC-2 Mulch, straw, wood chips, soil application SS-6, SS-8 2 State of California Department of Transportation (Caltrans). 2003. Storm Water Quality Handbooks, Construction Site Best Management Practices (BMPs) Manual. March. Available online at: http://www.dot.ca.gov/hq/construc/stormwater/manuals.htm . 3 If Vegetation Stabilization (Planting or Hydroseeding) is proposed for erosion control it may be installed between May 1st and August 15th. Slope irrigation is in place and needs to be operable for slopes >3 feet. Vegetation must be watered and established prior to October 1st. The owner must implement a contingency physical BMP by August 15th if vegetation establishment does not occur by that date. If landscaping is proposed, erosion control measures must also be used while landscaping is being established. Established vegetation must have a subsurface mat of intertwined mature roots with a uniform vegetative coverage of 70 percent of the natural vegetative coverage or more on all disturbed areas. 4 All slopes over three feet must have established vegetative cover prior to final permit approval. WQMP 9 Template Date: October 31st, 2018 Preparation Date:___________ Table 1. Construction Stormwater BMP Checklist (continued) Minimum Required Best Management Practices (BMPs) CALTRANS SW Handbook Detail BMP Selected Reference sheet No. selected BMP is shown on the plans. If no BMP is selected, an explanation must be provided. C. If runoff or dewatering operation is concentrated, velocity must be controlled using an energy dissipater Energy Dissipater Outlet Protection5 SS-10 Dewatering operations not a part of project. D. Select sediment control method for all disturbed areas (choose at least one) Silt Fence SC-1 Fiber Rolls shall be used as erosion control BMP as part of project. Fiber Rolls (Straw Wattles) SC-5 Gravel & Sand Bags SC-6 & 8 Dewatering Filtration NS-2 Storm Drain Inlet Protection SC-10 Engineered Desilting Basin (sized for 10-year flow) SC-2 E. Select method for preventing offsite tracking of sediment (choose at least one) Stabilized Construction Entrance TC-1 Project not large enough to require offsite sediment tracking BMPs. Construction Road Stabilization TC-2 Entrance/Exit Tire Wash TC-3 Entrance/Exit Inspection & Cleaning Facility TC-1 Street Sweeping and Vacuuming SC-7 F. Select the general site management BMPs F.1 Materials Management Material Delivery & Storage WM-1 Material storage not a part of project. Spill Prevention and Control WM-4 F.2 Waste Management 6 Waste Management Concrete Waste Management WM-8 These waste materials are not generated as a part of project. Solid Waste Management WM-5 Sanitary Waste Management WM-9 Hazardous Waste Management WM-6 Note: The Construction General Permit (Order No. 2009-0009-DWQ) also requires all projects not subject to the BMP Design Manual to comply with runoff reduction requirements through the implementation of post-construction BMPs as described in Section XIII of the order. 5 Regional Standard Drawing D-40 Rip Rap Energy Dissipater is also acceptable for velocity reduction. 6 Not all projects will have every waste identified. The applicant is responsible for identifying wastes that will be onsite and applying the appropriate BMP. For example, if concrete will be used, BMP WM-8 must be selected. 10 WQMP Preparation Date: ___________ Template Date: October 31st, 2018 Step 4: Project type determination (Standard or Priority Development Project) Is the project part of another Priority Development Project (PDP)? Yes No If so, Standard and PDP requirements apply. The project is (select one): New Development Redevelopment7 The total proposed newly created or replaced impervious area is: ____1,141_______ ft2 The total existing (pre-project) impervious area is: _____4,900______ ft2 The total area disturbed by the project is: _____1,141______ ft2 If the total area disturbed by the project is 1 acre (43,560 sq. ft.) or more OR the project is part of a larger common plan of development disturbing 1 acre or more, a Waste Discharger Identification (WDID) number must be obtained from the State Water Resources Control Board. WDID: _______________ Is the project in any of the following categories, (a) through (f)?8 Yes No (a) New development projects that create 10,000 square feet or more of impervious surfaces 9(collectively over the entire project site). This includes commercial, industrial, residential, mixed-use, and public development projects on public or private land. Yes No (b) Redevelopment projects that create and/or replace 5,000 square feet or more of impervious surface (collectively over the entire project site on an existing site of 10,000 square feet or more of impervious surfaces). This includes commercial, industrial, residential, mixed-use, and public development projects on public or private land. Yes No (c) New and redevelopment projects that create and/or replace 5,000 square feet or more of impervious surface (collectively over the entire project site), and support one or more of the following uses: (i) Restaurants. This category is defined as a facility that sells prepared foods and drinks for consumption, including stationary lunch counters and refreshment stands selling prepared foods and drinks for immediate consumption (Standard Industrial Classification (SIC) code 5812). (ii) Hillside development projects. This category includes development on any natural slope that is twenty-five percent or greater. (iii) Parking lots. This category is defined as a land area or facility for the temporary parking or storage of motor vehicles used personally, for business, or for commerce. (iv) Streets, roads, highways, freeways, and driveways. This category is defined as any paved impervious surface used for the transportation of automobiles, trucks, motorcycles, and other vehicles. 7 Redevelopment is defined as: The creation and/or replacement of impervious surface on an already developed site. Examples include the expansion of a building footprint, road widening, the addition to or replacement of a structure, and creation or addition of impervious surfaces. Replacement of impervious surfaces includes any activity that is not part of a routine maintenance activity where impervious material(s) are removed, exposing underlying soil during construction. Redevelopment does not include routine maintenance activities, such as trenching and resurfacing associated with utility work; pavement grinding; resurfacing existing roadways; new sidewalks construction; pedestrian ramps; or bike lanes on existing roads; and routine replacement of damaged pavement, such as pothole repair. 8 Applicants should note that any development project that will create and/or replace 10,000 square feet or more of impervious surface (collectively over the entire project site) is considered a new development. WQMP 11 Template Date: October 31st, 2018 Preparation Date:___________ Project type determination (continued) Yes No (d) New or redevelopment projects that create and/or replace 2,500 square feet or more of impervious surface (collectively over the entire project site), and discharging directly to conveyed overland a distance of 200 feet or less from the project to the ESA, or conveyed in a pipe or open channel any distance as an isolated flow from the project to the ESA (i.e. not commingled with flows from adjacent lands). Note: ESAs are areas that include but are not limited to all Clean Water Act Section 303(d) impaired water bodies; areas designated as Areas of Special Biological Significance by the State Water Board and San Diego Water Board; State Water Quality Protected Areas; water bodies designated with the RARE beneficial use by the State Water Board and San Diego Water Board; and any other equivalent environmentally sensitive areas which have been identified by the Copermittees. See BMP Design Manual Chapter 1.4.2 for additional guidance. Yes No (e) New development projects, or redevelopment projects that create and/or replace 5,000 square feet or more of impervious surface, that support one or more of the following uses: (i) Automotive repair shops. This category is defined as a facility that is categorized in any one of the following SIC codes: 5013, 5014, 5541, 7532-7534, or 7536- 7539. (ii) Retail gasoline outlets (RGOs). This category includes RGOs that meet the following criteria: (a) 5,000 square feet or more or (b) a projected Average Daily Traffic (ADT) of 100 or more vehicles per day. Yes No (f) New or redevelopment projects that result in the disturbance of one or more acres of land and are expected to generate pollutants post construction. Note: See BMP Design Manual Chapter 1.4.2 for additional guidance. Does the project meet the definition of one or more of the Priority Development Project categories (a) through (f) listed above? No the project is not a Priority Development Project (Standard Project). Yes the project is a Priority Development Project (PDP). Further guidance may be found in Chapter 1 and Table 1-2 of the BMP Design Manual. The following is for redevelopment PDPs only: The area of existing (pre-project) impervious area at the project site is: _______________ ft2 (A) The total proposed newly created or replaced impervious area is _______________ ft2 (B) Percent impervious surface created or replaced (B/A)*100: _______________ % The percent impervious surface created or replaced is (select one based on the above calculation): less than or equal to fifty percent (50%) only newly created or replaced impervious areas are considered a PDP and subject to stormwater requirements OR greater than fifty percent (50%) the entire project site is considered a PDP and subject to stormwater requirements 12 WQMP Preparation Date: ___________ Template Date: October 31st, 2018 Step 4.1: Water Quality Management Plan requirements Step Answer Progression Is the project a Standard Project, Priority Development Project (PDP), or exception to PDP definitions? To answer this item, complete Step 4 Project Type Determination Checklist, and see PDP exemption information below. For further guidance, see Chapter 1.4 of the BMP Design Manual in its entirety. Standard Project Standard Project requirements apply, STOP, you have satisfied stormwater requirements. PDP Standard and PDP requirements apply. Complete PDP Requirements. http://temeculaca.gov/wqmpa2 PDP Exemption Go to Step 4.2 below. Step 4.2: Exemption to PDP definitions Is the project exempt from PDP definitions based on either of the following: Projects that are only new or retrofit paved sidewalks, bicycle lanes, or trails that meet the following criteria: (i) Designed and constructed to direct stormwater runoff to adjacent vegetated areas, or other non-erodible permeable areas; OR (ii) Designed and constructed to be hydraulically disconnected from paved streets or roads [i.e., runoff from the new improvement does not drain directly onto paved streets or roads]; OR (iii) Designed and constructed with permeable pavements or surfaces in accordance with City of Temecula Guidance on Green Infrastructure; If so: Standard Project requirements apply, AND any additional requirements specific to the type of project. City concurrence with the exemption is required. Provide discussion and list any additional requirements below in this form. STOP, you have satisfied stormwater requirements. Projects that are only retrofitting or redeveloping existing paved alleys, streets or roads that are designed and constructed in accordance with the City of Temecula Guidance on Green Infrastructure. Complete Exhibit A Select Green Streets Exemptions where applicable. Discussion / justification, and additional requirements for exceptions to PDP definitions, if applicable: