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1. Sanitary Sewer Design Town of Summit, WITeam Members: Brandon Stenglein, Kyle Welte, Matt MullarkeyTeam Mentor: Peter Muth, P.E. Ruekert-Mielke
2. CORE Engineering Inc.Company Profile Transportation Systems
Traffic Studies
Intersection Design
Road Design/Rehabilitation
Selective Site Development
Excavation
Site Grading
Foundation Layout
Surveying
And Now… Sanitary Sewer Design
Low Pressure System Installation
3. Town of Summit, WI
4. Project Area
5. Needs Assessment 153 of the 181 Parcels are served by an onsite sewage treatment.
130 of the 153 parcels have been inspected
Of the 130 inspected parcels:
73 use a conventional septic tank system.
37 were unable to be classified
48 have failed at least once
6. Needs Assessment Occurring Failures
Standing water in vent stack of the drainage fields
Backup of Sewage into buildings
Seepage of sewage onto the surface of the ground
Indirect flow of septage into surface waters
Direct discharge of septage into surface waters
7. Scope of WorkPart 1 Preliminary Design Services
Three Alternative Designs
Evaluation of Environmental Impacts
Evaluation of Cost and Constructability of Each Alternative.
Recommendation of Final Alternative
9. Three DesignsGravity Flow Pros
Traditional
Minimal Maintenance
Mostly Non Mechanical
Cons
Topography requires lift stations
Difficult to install
Expensive to install
Leakage and infiltration
Will not be feasible for some of the terrain
10. Three DesignsLow Pressure System Pros
Easy Installation
Low Initial Cost
Fluids within system will flow up a positive grade
No infiltration
Easy detection of leak
Cons
Residents Responsible for maintenance
Requires mechanical devices to work
Unfamiliar System
11. Three DesignsMixed System Pros
Fit appropriate system to any particular location
Allows system to connect to areas with rolling hills. Cons
Complicated to install
Expensive lift stations
Residential complaints
12. Prelim Cost Analysis
13. E/One System
15. Scope of Work(cont.)Part 2 Final Deliverables
Construction of plan and profile drawings
Project manual including
Bidding Requirements
Bid Forms
Agreement
Contract Conditions
General Requirements
Technical Specifications
Completed permit forms ready for owner signature
Drawing and project manual must be stamped by licensed professional engineer
16. Zones Locations
18. AutoCAD Plan/Profile Sheets
19. Easements
20. Permits
21. Cost Estimate
22. Thank You!