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File #: 2007-0600    Version:
Type: Ordinance Status: Passed
File created: 11/13/2007 In control: Utilities and Parks Committee
On agenda: 4/14/2008 Final action: 4/14/2008
Enactment date: 4/21/2008 Enactment #: 16057
Title: AN ORDINANCE authorizing the condemnation of property interests needed to replace the Ballard siphon in the Washington ship canal.
Sponsors: Larry Phillips
Indexes: Condemnations
Attachments: 1. 16057.pdf, 2. 2007-0600 Fiscal Note.doc, 3. 2007-0600 hearing notice published in March 2008.doc, 4. 2007-0600 Hearing Notice.doc, 5. 2007-0600 Staff Report - Ballard Siphon (2-26-08).doc, 6. 2007-0600 Transmittal Letter.doc, 7. A. Revised Exhibit A Property Descriptions, March 31, 2008, 8. A. Exhibit A Property Descriptions, July 19, 2007, 9. A. Revised Exhibit A Property Descriptions - dated March 24, 2008, 10. Draft Ballard Siphon News Release 2007-0600.doc, 11. Draft Notice of Public Hearing Notice 2007-0600.doc
Staff: Reed, Mike
Title
AN ORDINANCE authorizing the condemnation of property interests needed to replace the Ballard siphon in the Washington ship canal.
Body
BE IT ORDAINED BY THE COUNCIL OF KING COUNTY:
SECTION 1. Findings:
A. The existing Ballard siphon in the Washington ship canal was built in 1935 and consists of two thirty-six-inch diameter wood stave pipes. The existing Ballard siphon on average conveys seven to eight million gallons of untreated sewage per day across the Washington ship canal.
B. In November 2005, the wastewater treatment division (WTD) of the department of natural resources and parks employed sonar technology to inspect the condition of the Ballard siphon. In January 2006, a structural engineering consultant firm submitted a structural analysis report of the sonar inspection. The report stated that the Ballard siphon had exceeded its service life, and was failing in multiple locations. As a consequence of the report findings, there was concern that the pipe may be in imminent danger of collapse.
C. In response to the report, and in accordance with K.C.C. 4.16.050, on March 29, 2006, the King County executive issued an emergency declaration and waiver from procurement requirements to replace the existing Ballard siphon.
D. In April 2006, by Ordinance 15424, the county council approved a supplemental appropriation of capital funds, on an emergency basis, for the Ballard siphon replacement project.
E. Subsequent inspections of the pipeline revealed that the anomalies in the earlier sonar images were not serious defects in the siphon, but it still remains a high priority project due to the risk of failure still due to age of the wood stave pipe and the uncertainties about the condition of the pipe. As part of the replacement project the county must acquire certain real property interests and/or rights in property for the Ballard siphon replacement project.
F. The risk of a pipe failure is high but not an emergency. A catastro...

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