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Final Design Memorandum
Lincoln Wastewater System
West "O" Street Trunk Sewer Extension
Lincoln, Nebraska
October, 2004
- Cover (54 K)
- Table of Contents (37 K)
- EXECUTIVE SUMMARY (51 K)
- I. INTRODUCTION (51 K)
- A. Project Background and Description
- B. Project Team Organization
- C. Alignment Selection
- II. GENERAL (43 K)
- A. Site Description
- B. Geotechnical Investigations
- C. Topographic Survey, Easements, and Material Laydown Areas
- D. Documents
- E. Applicable Standards and Guidelines
- F. Project Approval Requirements
- III. SEWER DESIGN (845 K)
- A. Design Flows
- B. Sewer Modeling
- C. Pipe Design
- D. Manholes
- E. Connections to Existing and Future Sewer Facilities
- F. Special Construction
- G. Restoration
- H. Utility/Railroad/NDOR Coordination
- IV. PROJECT (36 K)
- A. Basis of Project Costs
- B. Construction and Engineering Costs
- C. Easement Acquisition Costs
- D. Present Value Opinion of Probable Project Cost
- TABLES
- 1. Existing 36-Inch Trunk Sewer Flow Conditions based on Submergence
- 2. Assuming Existing Basin 70% and 2.5% Growth Development
- 3. Assuming Existing Basin 70% and 6.5% Growth Development
- 4. Summary of Existing Conveyance System Capacities
- 5. Opinion of Probable Project Cost
- FIGURES
- 1. Drainage Basins
- 2. Projected Flow Curve
- 3. Profiles
- 4. SW 40th Street Viaduct
- APPENDICES
- A Preliminary Plan and Profile Drawings (6.31 M)
- B Opinion of Probable Project Cost (51 K)
- C Modeling Graphics (79 K)
- D Alignment Study Figures and Cost Estimate (5.06 M)
- E Wastewater Availability Figure (29 K)
