overview of bmps, lid, and treatment trains...2018/09/07 · hydria, 1997 low impact development...
TRANSCRIPT
![Page 1: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/1.jpg)
z FSA September 2018 Seminar
Overview of BMPs, LID, and Treatment Trains
Presented by
Elie G. Araj, PE, CFM, D.WRE
![Page 2: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/2.jpg)
![Page 3: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/3.jpg)
Current World Population 7,647,869,821
TODAY Births today 257,196
Deaths today 106,529
Population Growth today 150,667
Source: worldometers.info
![Page 4: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/4.jpg)
Source: Florida Chamber
![Page 5: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/5.jpg)
![Page 6: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/6.jpg)
![Page 7: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/7.jpg)
![Page 8: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/8.jpg)
• CHANGES IN LAND USE
• DEVELOPMENT IN FLOODPLAINS
• ALTERATION OF NATURAL CONVEYANCE SYSTEMS
• COMPACTION OF SOIL, INCREASED IMPERVIOUSNESS
• “DRAINAGE” SYSTEMS
• ADDITION OF POLLUTANTS
The Stormwater Problem: Humans Cause…
![Page 9: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/9.jpg)
Good Drainage Approach
The Problem: Conventional Site Design
Efficiency
Collect
Concentrate
Convey
![Page 10: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/10.jpg)
• Spend $$ on repairing the damage after the fact
• Don’t allow growth in impaired basins
• Local governments require development to
treat a bigger portion of pollutant load
• State to modify existing stormwater rules to
include volume requirements
• Otherwise…
The Stormwater Problem: Possible Solutions…
![Page 11: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/11.jpg)
The Stormwater Problem: Another Possibility…
![Page 12: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/12.jpg)
An innovative stormwater management approach with a basic principle that is
modeled after nature.
1. Encourage Conservation
2. Minimize Impact
3. Strategic Runoff Control
4. Integrated Management
5. Pollution Prevention
LOW IMPACT DEVELOPMENT
![Page 13: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/13.jpg)
Storing
Filtering
Infiltrating
Evaporating
Evapotranspiration
LID Processes
![Page 14: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/14.jpg)
Conventional Low Impact
Design vs. Development
Local
Source Control
Preservation
Retention
• Regional
• End-of-pipe
• Improvement
• Detention
Conventional vs. LID
![Page 15: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/15.jpg)
LID Processes
![Page 16: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/16.jpg)
1. Widely Distributed
(smaller scale and single lot level)
2. Sub-Regional
(neighborhood scale)
3. Watershed Scale
LID Processes
![Page 17: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/17.jpg)
LID + BMP = ERP
(SWFMD circa 2007)
Initial Regulatory Hurdles
![Page 18: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/18.jpg)
LID = BMP = ERP
Initial Regulatory Hurdles
![Page 19: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/19.jpg)
HYDRIA, 1997
LOW IMPACT DEVELOPMENT (LID) ELEMENTS
1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out Planters Green Gutters Tree Boxes Swales Living Shorelines Media Filters 2. Permeable Pavements:
Parking Lots Complete Streets
3. Green Building Technologies Green Roofs Green Walls Cisterns and Rainwater Harvesting
![Page 20: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/20.jpg)
BIORETENTION IN PARKING LOT
Bioretention/Rain Gardens
![Page 21: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/21.jpg)
Retention Volume
Time
Flo
w R
ate
Target Peak Flow Rate
Resulting Hydrograph (Tail portion only)
Site Drainage Hydrograph
Bioretention: Runoff Volume Reduction
![Page 22: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/22.jpg)
SANDY SOIL
MULCH
INFILTRATION
EVAPOTRANSPIRATION
PLANTS
Source: PGDER
DRAIN
NATIVE SOIL
RAINFALL
GROUNDWATER RECHARGE
RUNOFF
DE-NITRIFICATION
Bioretention/Rain Gardens
![Page 23: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/23.jpg)
Green Gutter Green Gutter
![Page 24: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/24.jpg)
Green Gutter Green Gutter
![Page 25: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/25.jpg)
Green Gutter Green Gutter
![Page 26: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/26.jpg)
Green Gutter Green Gutter
![Page 27: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/27.jpg)
Green Gutter Green Gutter
![Page 28: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/28.jpg)
Green Gutter Green Gutter
![Page 29: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/29.jpg)
Filterra/Tree Boxes
![Page 30: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/30.jpg)
Biodegradation
2” Mulch
Sandy Filter Media
Drain Pipe
Storm Drain
Roadway
Optional Infiltration Storage
Volatilization
BioretentionClean-out
Rip-Rap
Root Uptake
Drains to infiltration storage
Tree Grate
![Page 31: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/31.jpg)
Effectiveness:
ANNUAL VOLUME TREATED ANNUAL VOLUME: 85% - 90%
POLLUTANT REMOVAL
TP 70% - 74% TSS 80% - 95% TN 64% - 68% METALS 78% - 82%
APPROX. COSTS - $28,000+/- ACRE OF DRAINAGE AREA
Filterra
![Page 32: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/32.jpg)
Pervious Concrete
• Proper installation techniques essential
• No high traffic • No tight turning
![Page 33: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/33.jpg)
Pervious Pavement Calculator
![Page 34: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/34.jpg)
Pervious Pavement Calculator
![Page 35: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/35.jpg)
Pervious Pavement Calculator
Stormwater.ucf.edu
![Page 36: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/36.jpg)
Permeable Pavers Permeable Pavers
![Page 37: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/37.jpg)
Notice the difference in gaps between impervious and pervious pavers
Both pavers underlain with storage reservoir
Varying Types of Pervious Pavers
![Page 38: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/38.jpg)
Concerns about heels getting caught
Governments seem particularly risk averse.
PF Chang’s changed City of Sarasota attitude. Now pavers are OK.
Liability Concerns
![Page 39: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/39.jpg)
Porous Pavement Costs
![Page 40: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/40.jpg)
Soil Amendments
IMPROVED INFILTRATION
IMPROVED AERATION
REDUCED EROSION
REDUCED COMPACTION
INCREASES VEGETATION ESTABLISHMENT
INCREASED NUTRIENTS
INCREASED MOISTURE RETENTION
Amendments are conditioners that are well mixed into the soil
![Page 41: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/41.jpg)
Soil Amendments
![Page 42: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/42.jpg)
Stormwater Reuse
• Irrigation Source – Saves Potable Water
• Significant Pollutant Load Reduction – TMDL Credits
• Restores the Hydrologic Cycle
![Page 43: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/43.jpg)
Stormwater Reuse Design
• DEVELOP WATER BUDGET INVOLVING IRRIGATION RATES
• WATER BUDGET TO INCLUDE CONTINUOUS SIMULATIONS USING HISTORIC RAINFALL DATA FOR SPECIFIC LOCATION
• CALCULATE ∆ POND STORAGE TO PROVIDE IRRIGATION DEMAND
![Page 44: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/44.jpg)
Stormwater Reuse Design
• CONCERNS OVER TOXICITY OF IRRIGATION AEROSOLS
• CERTAIN ALGEA AND BACTERIA CAN CAUSE RESPIRATORY/HEALTH ISSUES
• USE SAND FILTER
![Page 45: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/45.jpg)
Pump
To Irrigation
48”
Typical Stormwater Reuse Pond
![Page 46: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/46.jpg)
Re: Dr. WANIELISTA
CYANOBACTERIA - USE SAND FILTER
Typical Stormwater Reuse Pond
![Page 47: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/47.jpg)
City of Largo – Bayhead Park Low Impact Development (LID) Development Retrofit
173 Acres Basin Draining to two (2) ponds in Downtown City of Largo
Stormwater Harvesting deployed in lieu of classical water quality treatment
First SWFWMD ERP Permit of its kind
Owner: City of Largo, FL
Stormwater Reuse Example
![Page 48: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/48.jpg)
Living Shorelines
![Page 49: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/49.jpg)
UCF – New Student Union Building Green Roof/Cistern Study
Green Roofs
![Page 50: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/50.jpg)
UCF Student Union Expansion with 1600 Sq Ft Green Roof
LID techniques used included: Green roof
Cistern
UCF Green Roof/Cistern Study
![Page 51: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/51.jpg)
TN load lower
NH3 load lower
TP & OP load lower
TSS load lower
NO3 load lower
Different growing media produce different results
Cistern receives runoff from the roof
Roof vegetation irrigated from cistern
Reduction of volume of surface water runoff by 87% for Orlando
UCF Green Roof/Cistern Study Findings:
![Page 52: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/52.jpg)
Ottawa Roof Top Garden/Park
![Page 53: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/53.jpg)
Montreal Roof Top Garden/Park
![Page 54: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/54.jpg)
Roof Top Garden/Park
![Page 55: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/55.jpg)
Roof Top Garden/Park
![Page 56: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/56.jpg)
Roof Top Garden/Park
![Page 57: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/57.jpg)
Cisterns
![Page 58: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/58.jpg)
Green Roofs…Possibilities are Endless..
![Page 59: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/59.jpg)
ENGINEERED END OF PIPE
FOCUSES ON CONTROLLING PEAK FLOW RATE AND SUSPENDED SOLIDS
FAILS TO ADDRESS CUMULATIVE HYDROLOGIC ALTERATIONS THAT CAUSE INCREASES IN STORMWATER VOLUME AND RUNOFF RATES & CAUSE EXCESSIVE EROSION AND DEGRADATION OF STREAM CHANNELS.
OFTEN DOESN’T TREAT NUTRIENTS WELL
LID CAN COMPLEMENT CONVENTIONAL TECHNIQUES BY REDUCING VOLUMES AND PEAK FLOW RATES ALLOWING FOR SMALLER CONVENTIONAL INFRASTRUCTURE, PIPES, PONDS, ETC.
Conventional Stormwater Management
![Page 60: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/60.jpg)
Conventional Land Development Review
![Page 61: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/61.jpg)
Simple Mowing is Often Difficult…
![Page 62: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/62.jpg)
FACILITIES ARE NEW, HAVEN’T MAINTAINED THEM BEFORE LONGEVITY? COSTS?
NEED TRAINING AND MAY NEED EQUIPMENT
OFTEN ELIMINATE TREES FOR EASE OF MOWING/MAINTENANCE
LANDSCAPING NEEDS MAINTENANCE ANYWAY…DOES IT REALLY COST MORE TO MAINTAIN IF IT’S LID? OR DOES ANOTHER DEPARTMENT MAINTAIN “LANDSCAPING”? A QUESTION OF WHO PAYS/BUDGETS?
NEED A BUDGET PROCESS THAT INCREASES FOR NEW CIPS
GREEN INFRASTRUCTURE SERVES MANY FUNCTIONS: AESTHETICS, SHADE, RAINFALL INTERCEPTION, BUFFER, ETC….. NEED INTEGRATED CROSS DEPARTMENT BUDGET
Maintenance Concerns
![Page 63: Overview of BMPs, LID, and Treatment Trains...2018/09/07 · HYDRIA, 1997 LOW IMPACT DEVELOPMENT (LID) ELEMENTS 1. Infiltration/Filtering Systems: Rain Gardens Street Side and Bump-out](https://reader034.vdocument.in/reader034/viewer/2022050323/5f7c3eaf2b6ceb0a4438ea89/html5/thumbnails/63.jpg)
Questions: Elie Araj, PE, CFM, D.WRE Applied Sciences Consulting [email protected]