1. Omak Sewer Replacement Project 95% of the piping is concrete pipe (CP) CP installation varies from 1933 to 1946 Pipe is past its intended useful lifecycle of 50-60 years Condition varies, but overall piping is ready for replacement

2. What makes sewer so expensive? Depth of lines is greater than other utilities Maintain Line and Grade per specifications Sewer Manholes at each grade & line change Maintain existing service using “pump-around” Expensive capital equipment Skilled labor at prevailing wages Omak Sewer Replacement Project

3. System Repairs are legally mandated! Omak must obey Federal Clean Water Act! Department of Ecology regulates our discharge! Substantial fines and penalties 3 rd Party lawsuits Omak Sewer Replacement Project

4. What happens if repairs are not made? The toilets don’t flush! Homes and businesses without service Damage to real property Environmental damage from raw sewage Omak Sewer Replacement Project

5. Funding Strategy City to Finance the following from funds NEPA-Entire city Entire Sewer Comprehensive Plan E. Dewberry as a subsection E. Dewberry Design Funding determines construction schedule Omak Sewer Replacement Project

6. Conceptual Work: Street Private property Finance Manage Replace All side sewers Private property “Replace all” ROW Home/Business Sewer Main Replace mains & Manholes

7. Estimated Phase Cost Accumulation Dewberry-P#1$2,600,000.00 Trunks, DT-P#2$10,600,000.00$8,000,000.00 South City-P#3$15,400,000.00$4,800,000.00 Eastside-P#4$18,600,000.00$3,200,000.00 Northside-P#5$20,900,000.00$2,300,000.00

8. Rate Threshold $55-$60/Month P#5 End 4/1/14 P#1 End 6/1/11 P#2 End 6/1/12 Start 4/1/10 P#3 End 6/1/12 P#4 End 6/1/12 Analysis