Agda Pkt 2025.12.08 Joint SA PFA

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Project Name: Project Address: Cross Streets: APN: Special Project11? C.3 Regulated? Public or Private Project? DMA Identification Number Impervious Area12 (ft2) Pervious Area13 (ft2) Type of Site Design Measure or Treatment Measure14 Sizing Criteria Used15 Size Required16 Size Provided Example DMA 1 5,000 2,000 Bioretention unlined with underdrain 2c: Flow 208 ft2 220 ft2 Example DMA 2 1,000 1,000 Self-retaining area Other < 2:1 ratio 1:1 ratio Example DMA 3 1,000 - Infiltration trench 1b: Volume 1,000 ft3 1,100 ft3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 add rows, if needed TOTALS - - N/A N/A N/A N/A Totals from Project Info Sheet Cells - - Rainwater Harvesting/Use Measures: Rainwater Harvesting for indoor non-potable water use Rainwater Harvesting for landscape irrigation use 11 Special Projects are smart growth, high density, transit-oriented or affordable housing developments with the criteria defined in Provision C.3.e.ii.(2), (3) or (4) (see Worksheet F). 12 The sq.ft. of impervious area within the Drainage Management Area 13 The sq.ft. of pervious area within the Drainage Management Area 14 "Lined” refers to an impermeable liner placed on the bottom of a bioretention area, such that no infiltration into native soil occurs. 15 Select from the menu which of the following Provision C.3.d.i hydraulic sizing methods was used, if any. Volume based approaches: 1(a) Urban Runoff Quality Management approach, or 1(b) 80% capture approach (recommended volume-based approach). Flow-based approaches: 2(a) 10% of 50-year peak flow approach, 2(b) 2 times the 85th percentile rainfall intensity approach, 2(c) 0.2-Inch-per-hour intensity approach (recommended flow-based approach - also known as the 4% rule for bioretention), or 3 Combination flow and volume-based approach. "Other" is used for Site Design Measures such as Self-Retaining or Self-Treating Areas. 16 Each DMA should drain to one treatment area (unless it is self-treating or self-retaining). If multiple DMAs are draining to one treatment area, they should be combined into one DMA. If one DMA drains to multiple treatment areas, that DMA should be split up so there is one DMA per treatment area (which allows the treatment area to be properly sized). 7/1/23 A long term Operations and Maintenance (O&M) Agreement and Plan for this project will be required. Please contact the municipality for an agreement template and/or consult the C.3 Regulated Projects Guide and table of contents at www.flowstobay.org/newdevelopment for maintenance plan templates for specific facility types. Complete the information below at the Entitlement, Building Permit and Certificate of Occupancy stages for Regulated C.3 Projects and Non-Regulated Green Infrastructure Projects. (The first four cells are automatically filled in from the Project Info sheet.) Public projects are those on public property or ROW; private projects are on privately-owned property but can include improvements in the public ROW required as part of the project. of C.3.d amount of runoff treated by Non-LID Systems on the Special Project site. 0 0 0 0 Worksheet D Stormwater Treatment Measures and Site Design Measures by Drainage Management Area (DMA) C.3 Regulated Projects and Non-Regulated GI Projects Check all applicable boxes, answer questions and fill in cells related to the site design and treatment measure(s) included in the project. Is the project harvesting and using rainwater? Yes Drainage Management Area Summary Table If there are more DMAs, check this box and attach list of additional calculations. % 7.A. - Page 62 of 121 68 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0 0 0 0