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HomeMy WebLinkAboutParcel Map 13191 Parcel 1 WQMP Barron ResidenceCity of Temecula WATER QUALITY MANAGEMENT PLAN (WQMP) PROJECT NAME & PERMIT NO: BARRON RESIDENCE - LD20-0804 PROJECT ADDRESS: 31334 Santiago Road, Temecula PROJECT APN: 945-110-013 PREPARED BY: Kristin L. Greene, P.E. dk Greene Consulting, Inc. P.O. Box 143 Bonsall, CA 92003 (760) 310-9408 Email: Kristin@dkgreene.com PREPARED FOR: Gary Sinise Foundation c/o MLA General Contractor, Inc. P.O. Box 733 Bonsall, CA 92003 (760) 801-1602 Email: TJAmos@MLAContractor.com DATE OF WQMP: April 24, 2020 APPROVED BY: APPROVAL DATE: ii WQMP Preparation Date: _4/24/20____ Template Date: October 31st, 2018 Applicant's Certification Project Name: Barron Residence Permit Number: LD20-0804 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.). Applicant’s Signature Date: TJ Amos Print Name MLA General Contractor, 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 MLA General Contractor Inc. X. TJ Amos 05/13/2020 1:48:03 PM 05/13/2020 1:48:13 PM WQMP 3 Template Date: October 31st, 2018 Preparation Date:___________ 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: Written material will be provided to owners of the property regarding unacceptable discharges. 4.2.2 Storm Drain Stenciling or Signage ☐Yes ☐No N/A Discussion / justification: There are no storm drains in the area. 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 storage areas associated with this single-family 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: There are no outdoor work areas associated with this single-family project. 4.2.5 Protect Trash Storage Areas from Rainfall, Run-On, Runoff, and Wind Dispersal ☐Yes ☐No N/A Discussion / justification: There are no trash storage areas associated with this single-family project. 4.2.6 Additional BMPs Based on Potential Sources of Runoff Pollutants Yes ☐No ☐N/A Discussion / justification. Clearly identify which sources of runoff pollutants are discussed: Applicable source control for single-family residence projects are shown per the following page. 05/13/2020 4 WQMP Preparation Date: _4/24/20____ Template Date: October 31st, 2018 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 column on the left below. Then select “yes” if the BMP has been implemented and shown on the project plans, “No” if the BMP has not been implemented, or “N/A” if the BMP is not 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. WQMP 5 Template Date: October 31st, 2018 Preparation Date:___________ 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: The proposed site drainage will emulate the current drainage pattern. The drainage swale will remain. 4.3.2 Conserve Natural Areas, Soils, and Vegetation Yes ☐No ☐N/A Discussion / justification: Development of the single-family residence is limited to less than an acre, leaving more than half the property undisturbed with the existing vegetation. 4.3.3 Minimize Impervious Area Yes ☐No ☐N/A Discussion / justification: Pervious pavers will be used to minimize the impervious area. 4.3.4 Minimize Soil Compaction Yes ☐No ☐N/A Discussion / justification: Soil compaction will be minimized when possible. Compaction will be necessary in areas where structures will be placed. No grading will be performed on over half the property; those areas will remain undisturbed. 4.3.5 Impervious Area Dispersion Yes ☐No ☐N/A Discussion / justification: Dispersion will take place over pervious pavers and landscaping. 4.3.6 Runoff Collection ☐Yes No ☐N/A Discussion / justification: In order to safely convey runoff away from the foundation, all runoff from the roof will be collected in catch basins and piping systems and dispersed to the natural drainage area. 4.3.7 Landscaping with Native or Drought Tolerant Species Yes ☐No ☐N/A Discussion / justification: Landscaping will consist of native or drought tolerant species. 4.3.8 Harvesting and Using Precipitation ☐Yes No ☐N/A Discussion / justification: Harvesting and reuse of precipitation cannot be accomplished on this site as there are not enough landscape areas and toilet use to facilitate using the runoff within 36 hours. 05/13/2020 6 WQMP Preparation Date: _4/24/20____ Template Date: October 31st, 2018 Step 3: Construction Stormwater BMP Checklist Minimum Required Standard Construction Stormwater BMPs If you answer “Yes” to any of the questions below, your project is subject to 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 10. Will Portable Sanitary Services (“Porta-potty”) be used on the site? 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). WQMP 7 Template Date: October 31st, 2018 Preparation Date:___________ Table 1. Construction Stormwater BMP Checklist Minimum Required Best Management Practices (BMPs) CALTRANS SW Handbook 2 Detail  BMP Selected Reference sheet No.’s where each 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 Planting 3 (Summer) SS-2, SS-4 ☐ Hydraulic Stabilization Hydroseeding2 (Summer) SS-4  Bonded Fiber Matrix or Stabilized Fiber Matrix 4 (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 ☐ 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. 05/13/2020 8 WQMP Preparation Date: _4/24/20____ Template Date: October 31st, 2018 Table 1. Construction Stormwater BMP Checklist (continued) Minimum Required Best Management Practices (BMPs) CALTRANS SW Handbook Detail  BMP Selected Reference sheet No.’s where each 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 Protection 5 SS-10  D. Select sediment control method for all disturbed areas (choose at least one) Silt Fence SC-1  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  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  Spill Prevention and Control WM-4  F.2 Waste Management 6 Waste Management Concrete Waste Management WM-8  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. WQMP 9 Template Date: October 31st, 2018 Preparation Date:___________ 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. Go to Step 4.1 and select “PDP” The project is (select one):  New Development ☐ Redevelopment 7 The total proposed newly created or replaced impervious area is: ______9,971_____ ft2 The total existing (pre-project) impervious area is: _________0______ ft2 The total area disturbed by the project is: _____42,760_____ 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. 05/13/2020 10 WQMP Preparation Date: _4/24/20____ Template Date: October 31st, 2018 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 an Environmentally Sensitive Area (ESA). “Discharging directly to” includes flow that is 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 WQMP 11 Template Date: October 31st, 2018 Preparation Date:___________ 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 Exhibit A “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 “PDP Requirements.” Select Green Streets Exemptions where applicable. Discussion / justification, and additional requirements for exceptions to PDP definitions, if applicable: 05/13/2020