Manufactured Treatment Devices Pilot Update 2014.
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Transcript of Manufactured Treatment Devices Pilot Update 2014.
![Page 1: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/1.jpg)
Manufactured Treatment Devices
Pilot Update2014
![Page 2: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/2.jpg)
Types of MTDs?
HydrodynamicSeparators
Car t r idgeF i l te rs
B iofi l t ra t ionIn a Box
TrashCapture
![Page 3: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/3.jpg)
Why MTDs?
• Small footprint
• Retrofit opportunities
• Less costly
• Simple maintenance routine
• Reduced system maintenance
![Page 4: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/4.jpg)
Déjà vu?
• “Traps” installed in early ‘90s• 16 routes/170 inlets proposed• 3 routes/~80 inlets remain
![Page 5: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/5.jpg)
• Renewed focus in downtown Shoal & Waller creeks◦ Lower Shoal Seaholm Redevelopment District◦ Waller Creek District Surface Improvements
• Watershed Capital Projects◦ Lower Shoal Stream Restoration $4M◦ Lower Shoal WQ Retrofit $500k◦ Waller Tunnel & Improvements $149M◦ Waller WQ Retrofit $2.5M
• Lower Shoal PER
Background
Bio C leanIn le t Basket
![Page 6: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/6.jpg)
Bio Clean Inlet Basket
![Page 7: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/7.jpg)
Pilot
• One year• 7 locations• 6 week schedule• Data collected
o Timeo Weight
![Page 8: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/8.jpg)
In service…
6th @ Trinity
Barton Springs
@ S. 1st
![Page 9: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/9.jpg)
Vermiculture?
![Page 10: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/10.jpg)
A helping of leaves with your trash
![Page 11: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/11.jpg)
Ick-factor
![Page 12: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/12.jpg)
Findings
17 Traps 17 Baskets# minutes per route 30 272# visits per year 52 12# of crew per visit 4 2manhours per year 104 109full time equivalent (FTE) .05 .052
labor cost/ yr @ $19.28/hr $
2005 $
2098lbs collected per year 1326 4284
$/lb collected $
1.51 $
0.49
Field ops data
6th street trap route
Extrapolated
pilot data
![Page 13: Manufactured Treatment Devices Pilot Update 2014.](https://reader030.fdocuments.in/reader030/viewer/2022032612/56649ec65503460f94bd1629/html5/thumbnails/13.jpg)
Pilot Report