Chocolate Canyon Sewer Emergency Repair
Summary
SCH Number
2003048056
Public Agency
City of San Diego
Document Title
Chocolate Canyon Sewer Emergency Repair
Document Type
NOE - Notice of Exemption
Received
Posted
4/1/2003
Document Description
Replacement of approximately 1,938 linear feet of severely deteriorated concrete sewer pipe in Chocolate Canyon.
Contact Information
Name
Anthony Raguine
Agency Name
City of San Diego
Contact Types
Lead/Public Agency
Phone
Location
Cities
San Diego
Counties
San Diego
Notice of Exemption
Exempt Status
Emergency Project
Type, Section or Code
Sec 15269
Reasons for Exemption
The sewer mains in Chocolate Canyon range are approximately 72 to 77 years old and are in need of repair. The mains have been impacted by severe root intrusion, mineral and debris deposition, and substantial erosion of cracking of pipeline walls which have compromised the integrity of several sewer pipeline segments and manholes. Emergency cleaning personnel have captured pieces of broken pipe and debris during cleaning operations. Average daily flow through these pipelines is approximately 0.11 million gallons per day (mgd), with peak flows up to 0.26 mgd. In the event of a sewer spill, a significant amount of raw sewage could reach public waters at Chollas Creek and San Diego Bay, threatening wildlife habitat and public health and safety.
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