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Purpose of the Study. To examine the feasibility of implementing the HIFLOTM vacuum sewer into the historical and marginal areas of Venice.To collect data and gather information about vacuum sewer implementation in Venice.To determine feasibility on a cost, applicability and social impact level. .
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1. The Feasibility of Vacuum Sewer Implementation In Venice, Italy Martin Felices, Lauren Goodfellow,
Jay Johnston, Sonali Maheshwary
Advisors: Prof. John Zeugner, Ing. Fabio Carrera
Sponsor: Alan Hassett, Oak Hill Company Ltd.
2. Purpose of the Study To examine the feasibility of implementing the HIFLOTM vacuum sewer into the historical and marginal areas of Venice.
To collect data and gather information about vacuum sewer implementation in Venice.
To determine feasibility on a cost, applicability and social impact level.
3. Current Sewerage System Components Sedimentation tanks
located within house foundations
separates the light and heavy sewage
Collettori
large brick or cement troughs
run underneath the streets
Sbocchi
sewage outlets located along the canal walls
4. Fognature Design
5. Current Failures of the Sewerage System in Venice
6. Plan of Renovation City is divided into two areas
Repairs spanned over a duration of 23 years
Estimated cost: � 818 billion
7. Vacuum Sewers
8. HIFLOW TM Patented by Alan Hassett
High-tech features
-Shallow pipelines
-Air tight
-High-lift
-OTS hardware
9. Section Breakdown
10. Test Sites Santa Maria Formosa
Model for upscale
Historical area
Residential with some tourism
Santa Marta
Request of the city
Residential
11. Option 1 Vacuum piping within the canals surrounding the entire island
12. Option 1 (continued) Interfaced at sbocchi where collettori decant into canals
13. Option 2
Vacuum piping alongside the collettori
Sewage valves placed at interceptor points as manholes in the streets
14. Option 3 Vacuum piping goes up underneath the house foundations
Sewage valves placed in the sedimentation tanks
15. Santa Maria Formosa Schematics
16. Santa Maria Formosa Chart
17. Santa Maria FormosaCosts
19. Santa Marta Chart
21. Upscale Implementation Water consumption is equivalent to the sewage flow
Collection tanks range from 13,000 to 20,000 liters
24 collection stations placed accordingly
22. Cost Analysis of Upscale Implementation
23. Social Impacts Survey feedback
The sewerage system is failing (69%)
Sewage treatment is desired (82%)
A slight increase in noise would be acceptable (62%)
A raise in taxes is opposed (77%)
24. Relay Network System Piping terminates at Ferrovia and Stazione Marittima
Ready to be pumped out of the city
Total cost for network: �57 Billion
Designed for worst-case scenario
25. Pumping off of Venice
26. Conclusions
27. Conclusions (continued) Option determination matrix was made
Total costs:
28. Recommendations for Further Study Relay network within Venice
Pumping sewage to the mainland