NEORSD Green Infrastructure Grant (GIG) Program Opening Remarks
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- Jocelin Henderson
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2 NEORSD Green Infrastructure Grant (GIG) Program Opening Remarks
3 2019 NEORSD GIG Eligibility and Technical Requirements
4 Project must be located in the Sewer District s combined sewer area Location
5 Applicant Applicant must represent: Member community Governmental entity Non-profit 501(c)(3) Business working in partnership with their community
6 Site Control Applicant must be able to demonstrate permanent control of the project site Western Reserve Historical Society University Circle
7 Sewer District Bills Applicant and the property associated with the proposed project must be current and in good standing with all Sewer District bills
8 Use of Green Infrastructure Project must demonstrate on-site stormwater control measures using green infrastructure Arch Park - Slavic Village Striebinger Block Living Wall - Hingetown
9 Completion Date Project must be completed by November 30, 2019
10 Green Infrastructure Successful green infrastructure proposals can quantifiably demonstrate a reduction in the stormwater runoff volume. US EPA Stormwater Calculator Watershed Stewardship Center West Creek Reservation
11 NEORSD GIG Program Title IV & Stormwater Calculator
12 Above and Beyond Title IV Applicants are subject to the requirements of Title IV of the Sewer District s Code of Regulations Refer to Submittal Requirements for Connections to the Combined Sewer System.
13 Above and Beyond Title IV
14 Above and Beyond Title IV NEORSD has the authority to: control combined sewer overflows (CSOs) from the combined sewer system control peak flows from local combined sewer systems at the point of connection into sewers owned by NEORSD or a member community. Applicable to any development activity in the combined sewer area, which includes separated sewer areas tributary to the combined system.
15 Above and Beyond Title IV No increases in wetweather flow at combined sewer overflow (CSO) locations.
16 Above and Beyond Title IV Post-development peak flows shall not exceed existing condition peak flows.
17 Above and Beyond Title IV Existing condition The current land use and impervious area on the subject property at the time of submission to NEORSD.
18 Above and Beyond Title IV Post-development peak flows shall not result in an increase to CSO volumes and/or typical year activations.
19 Above and Beyond Title IV Minimum Standards Postdevelopment peak flows Existing condition peak flows Post-development peak flows will not create increases in flow at CSO locations.
20 Above and Beyond Title IV Preferred Release Rate Storm events up to the 5-year, 24- hour event: Postdevelopment peak flows Existing condition 6- month, 24- hour peak flow
21 Above and Beyond Title IV For separated storm connections to a CSO pipe or receiving water stormwater control measures must provide water quality treatment for 100% of the project area (New or Redevelopment).
22 Above and Beyond Title IV
23 Above and Beyond Title IV
24 Above and Beyond Title IV
25 Above and Beyond Title IV
26 Above and Beyond Title IV
27 Above and Beyond Title IV
28 EPA National Stormwater Calculator
29 EPA National Stormwater Calculator
30 EPA National Stormwater Calculator Low Impact Development (LID) Controls
31 EPA National Stormwater Calculator LID Controls
32 EPA National Stormwater Calculator LID Controls - Disconnection The Capture Ratio is the ratio of the pervious area receiving the runoff (such as a lawn area) to the impervious area that generates the runoff. For example, if 5,000 sq. ft. of roof area is directed onto 3,000 sq. ft. of lawn area then the Capture Ratio would be 3,000 / 5,000 or 60%.
33 EPA National Stormwater Calculator LID Controls Rain Harvesting The harvesting system is assumed to consist of a given number of fixedsized cisterns per 1000 square feet of rooftop area captured. The water from each cistern is withdrawn at a constant rate and is assumed to be consumed or infiltrated entirely on-site.
34 EPA National Stormwater Calculator LID Controls Rain Garden The Capture Ratio is the ratio of the rain garden's area to the impervious area that drains onto it. For example, if 1,000 sq. ft. of roof area is directed onto 300 sq. ft. of rain garden area then the Capture Ratio would be 300 / 1,000 or 30%.
35 EPA National Stormwater Calculator LID Controls Green Roof The thickness used for the growing medium typically ranges from 3 to 6 inches.
36 EPA National Stormwater Calculator LID Controls Street Planter The walls of a planter extend 3 to 12 inches above the soil bed to allow for ponding within the unit. The thickness of the soil growing medium ranges from 6 to 24 inches while gravel beds are 6 to 18 inches in depth. The planter's Capture Ratio is the ratio of its area to the impervious area whose runoff it captures.
37 EPA National Stormwater Calculator LID Controls Infiltration Basin The basin's Capture Ratio is the area of the basin relative to the impervious area whose runoff it captures. For example, if 50,000 sq. ft. of roof area is directed into 5,000 sq. ft. of infiltration basin area then the Capture Ratio would be 5,000 / 50,000 or 10%.
38 EPA National Stormwater Calculator LID Controls Permeable Pavement Normally all rainfall will immediately pass through the pavement into the gravel storage layer below it where it can infiltrate at natural rates into the site's native soil. Pavement layers are usually 4 to 6 inches in height while the gravel storage layer is typically 6 to 18 inches high. The Capture Ratio is the percent of the treated area (street or parking lot) that is replaced with permeable pavement.
39 EPA National Stormwater Calculator Modules
40 EPA National Stormwater Calculator Modules - Location
41 EPA National Stormwater Calculator Modules - Soil Type Urban soils (e.g., Udorthents) = HSG D unless soil boring information verifies otherwise
42 EPA National Stormwater Calculator Modules - Soil Type
43 EPA National Stormwater Calculator Modules - Soil Drainage Hydrologic Soil Group Default Values (inches/hr): A 4.00 B 0.40 C 0.04 D 0.01 Use site-specific soil infiltration rates (e.g., via soil borings). Otherwise use model s default value as determined by HSG of on-site soils (A-D).
44 EPA National Stormwater Calculator Modules - Topography
45 EPA National Stormwater Calculator Modules - Precipitation
46 EPA National Stormwater Calculator Modules - Evaporation
47 EPA National Stormwater Calculator Modules - Climate Change
48 EPA National Stormwater Calculator Modules - Land Cover
49 EPA National Stormwater Calculator Modules - LID Controls
50 EPA National Stormwater Calculator Modules - Results
51 EPA National Stormwater Calculator - Existing Conditions
52 EPA National Stormwater Calculator - Existing Conditions
53 EPA National Stormwater Calculator - Existing Conditions
54 EPA National Stormwater Calculator - Existing Conditions
55 EPA National Stormwater Calculator - Existing Conditions
56 EPA National Stormwater Calculator - Existing Conditions
57 EPA National Stormwater Calculator - Existing Conditions
58 EPA National Stormwater Calculator - Existing Conditions
59 EPA National Stormwater Calculator - Existing Conditions
60 EPA National Stormwater Calculator - Existing Conditions
61 EPA National Stormwater Calculator Baseline Scenario (Meeting Minimum Title IV Requirements)
62 EPA National Stormwater Calculator Baseline Scenario (Meeting Minimum Title IV Requirements)
63 EPA National Stormwater Calculator Baseline Scenario (Meeting Minimum Title IV Requirements)
64 EPA National Stormwater Calculator with Green Infrastructure
65 EPA National Stormwater Calculator with Green Infrastructure
66 EPA National Stormwater Calculator with Green Infrastructure (75% of Impervious Area to Street Planters)
67 EPA National Stormwater Calculator with Green Infrastructure (Multiple LID Controls)
68 EPA National Stormwater Calculator with Green Infrastructure (Multiple LID Controls)
69 EPA National Stormwater Calculator Existing Conditions Minimum Title IV Requirements (Baseline Scenario) 75% of Impervious Area to Street Planters Multiple Lid Controls
70 EPA National Stormwater Calculator Helpful Hints Project Limits The outermost boundary that results when you overlay your parcel boundary with the boundary of the drainage areas to proposed LID Controls. + = Project limits should be the same for all model runs (i.e., existing conditions, baseline & results scenarios) some exceptions.
71 EPA National Stormwater Calculator Helpful Hints Baseline Scenario Existing conditions (pre-development) Proposed conditions that meet the minimum NEORSD Title IV requirements (this will serve as your Baseline Scenario) Proposed conditions with all LID Controls accounted for
72 EPA National Stormwater Calculator Helpful Hints Treatment Trains The SWC doesn t model treatment trains beyond the SWC s capabilities Use Stormwater Management Model (SWMM) Be creative justify your assumptions
73 EPA National Stormwater Calculator Helpful Hints Treatment Train Example 20,000 SF roof to Disconnection, then to Permeable Pavement Disconnection = 20% runoff reduction Model 16,000 SF of roof to Permeable Pavement = add l 35% runoff reduction Total of 55% runoff reduction
74 EPA National Stormwater Calculator Helpful Hints Multiple LID Controls Two step process: 1) Run each LID Control separately and then add the runoff reduction results to arrive at a total runoff reduction value. 2) Run the model once and account for all the LID Controls at the same time. Use most favorable outcome.
75 EPA National Stormwater Calculator Helpful Hints Underdrains Unless ideal soil conditions exist, underdrains are a necessary design feature for street planters and permeable pavement. Proposed standard underdrains will not negatively affect your grant application. Encouraged to alter the design of your underdrains to maximize infiltration potential (e.g., adding an upturned elbow).
76 EPA National Stormwater Calculator Helpful Hints Upturned Elbow
77 EPA National Stormwater Calculator Helpful Hints Runoff Rate Control Practices There is no way to account for runoff rate control practices in the stormwater calculator (e.g., detention facilities), so they should not be considered in your calculations related to runoff reduction.
78 EPA National Stormwater Calculator Helpful Hints Unique Control Practices If a proposed practice does not fit the mold of any of the calculator s options, use best professional judgement to select one or more of the seven LID Controls, and provide a brief narrative to justify selection.
79 EPA National Stormwater Calculator Helpful Hints Land Cover Module Footprints of permeable pavement and green roofs = Impervious Footprints of rain gardens, street planters and infiltration basins = Meadow or Lawn.
80 EPA National Stormwater Calculator Helpful Hints LID Controls Module Bioretention cells & infiltration trenches = Street Planters Footprints of permeable pavement and green roofs = Impervious Footprints of rain gardens, street planters and infiltration basins = Meadow or Lawn
81 NEORSD GIG Program Contract (
82 NEORSD GIG Program Evaluation Criteria
83 Evaluation Criteria Expected Benefits of Project (30 pts.) Anticipated volume of stormwater controlled and/or removed from combined sewer system
84 Evaluation Criteria Project Feasibility (25 pts.) Constructability and implementation demonstrated through design Anticipated completion date
85 Evaluation Criteria Programmatic Capacity to Maintain Stormwater Controls (25 pts.) Ability to fund maintenance for life expectancy of stormwater control
86 Evaluation Criteria Visibility and Community Benefits (20 pts.) Design Completion (10 extra pts.)
87 NEORSD GIG Program Reimbursement Process
88 Green Infrastructure Grant Reimbursement Request A complete Reimbursement Request submission will include: Reimbursement Request Cover Sheet Reimbursement Request Deliverable Expense Worksheet w/supporting documentation Progress Report
89 Green Infrastructure Grant Reimbursement Request
90 Green Infrastructure Grant Reimbursement Request
91 Green Infrastructure Grant Reimbursement Request Summarize progress and/or accomplishments since the last report Difficulties and/or delays encountered during the reporting period Describe progress towards Project tasks
92 NEORSD GIG Program Funded Projects
93 Green Infrastructure Grant Program Funding Round 2014 GREEN INFRASTRUCTURE GRANTS PROGRAM Award Recommendations Runoff Reduction gallons/year TOTAL $1,746,274 7,138, GREEN INFRASTRUCTURE GRANTS PROGRAM TOTAL $1,999,949 9,930, GREEN INFRASTRUCTURE GRANTS PROGRAM TOTAL $1,037,382 2,572, GREEN INFRASTRUCTURE GRANTS PROGRAM TOTAL $2,000,000 TBD GRAND TOTAL $6,783,605 19,641,934
94 Seeing Green Infrastructure through a Storymap Green Infrastructure is a way to view the land around us to see how it best contributes to our needs for water, ecological soundness, scenic environments, and healthy surroundings.
95 Examples of Recently Completed Projects
96 Smart Stormwater Family Ministry Center Green Infrastructure 2014 Project Awarded GI Technology: Rainwater Harvesting, Cisterns & Grass Pavers Drainage Area: 1.22 acres GI Feature Area: 0.99 acres Stormwater Capture: 476,724 gal/yr. Total Project Cost: $207,470 Grant Awarded: $189,870 Installed Cisterns Opportunities & Benefits: 33,000-gallon underground stormwater harvesting and irrigation system Automated smart system to dewater cisterns in nonpeak times Divert & collect rainwater from the roof for irrigation reuse Installation of 7,500 sq. ft. of pervious grass-pavers Challenges & Constraints: Bi-annual removal of sediment debris in stormwater cisterns Weekly inspection of the subsurface drip irrigation system Monitoring the storage system for back-ups and overflow After
97 MLK/Carnegie RTA Cedar University Rapid & Bus Station Green Infrastructure 2016 Project Awarded GI Technology: Bioretention and Reduced Impervious Surface Drainage Area: 0.40 acres GI Feature Area: 0.23 acres Stormwater Capture: 70,160 gal/yr. Total Project Cost: $273,900 Grant Awarded: $127,900 Opportunities & Benefits: Demonstration project at a highly visible location Curb bump out bioretention reduces impervious area at the intersection by 4,350 square feet and provides stormwater treatment Traffic calming at pedestrian crosswalk and RTA bus stop at high traffic MLK Jr. Drive-Carnegie Avenue intersection After Challenges & Constraints: Road salt impacts to plant material Weekly trash collection maintenance After
98 St. Casimir Green Infrastructure Project Green Infrastructure 2016 Project Awarded GI Technology: Bioretention Exfiltration Catch Basin & Permeable Pavers Drainage Area: 2.07 acres GI Feature Area: 0.56 acres Stormwater Capture: 472,000 gal/yr. Total Project Cost: $168,800 Grant Awarded: $168,800 Opportunities & Benefits: Project serves as a model for other churches in the combined sewer area. Permeable pavers, exfiltrating catch basin and bioretention enable significant volumes of stormwater to be infiltrated into existing sandy soils reducing discharge to combined sewer Educational outreach to adjacent elementary school Challenges & Constraints: Regular maintenance activities During Construction After
99 Arch Park Slavic Village Green Infrastructure 2016 Project Awarded GI Technology: Curb Cuts, Bioretention Drainage Area: 0.80 acres GI Feature Area: 0.37 acres Stormwater Capture: 305,866 gal/yr. Total Project Cost: $217,472 Grant Awarded: $191,160 Opportunities & Benefits: Project represents an outstanding, high visibility, commercially vacant lot retrofit Bioretention treatment of street stormwater runoff, off-loaded from combined sewer system via infiltrating vertical dry well After Challenges & Constraints: Former gas station property Essential that the mouth of the flume and connection to the trench drain remain free of accumulated sediments, trash and debris
100 Questions Thank you for coming!
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