12-0828_SPIESS CONSTRUCTION_PowerPoint 1i/11/Zoiz
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SUNRANCH DRAINAGE
IMPROVEMENT PROJECT
CIP 11503
Project Objectives
• Comply with the provisions of a court-ordered Settlement Agreement
requiring the construction of public storm water drainage improvements
within the existing drainage channel between Sun Ranch and the Scalzo
Family Trust property.
• Construct a drainage channel that will serve the surrounding drainage area
and provide effective storm water management consistent with the goals,
policies and recommendations of the City's "Master Plan of Drainage."
• Construct a drainage channel that will comply with the City's public facility
design standards while incorporating natural features.
• Maintain the channel alignment within the existing 40 foot wide drainage
easement and minimize encroachment into adjoining properties.
• Create wetland area to mitigate the removal of areas of existing wetland
consistent with U.S. Army Corps of Engineers (USACOE) and California
Department of Fish and Game-required permits.
Purpose of Tonight's Meeting
• Give City Council an update on the progress of
construction of the Sun Ranch Drainage
Improvement Project.
• Update City Council on any issues which have
come up during construction which may effect
costs or completion date.
• Provide photo documentation of the progress.
• Answer any questions regarding the project.
Construction Update
• Commenced Construction — September 17, 2012
Work only outside of Agency boundaries
• Received Army Corps and Water Resource Agency
Permits — October 3, 2012
• Commenced Construction within the streambed area
— October 8, 2012
• Work Completed to date:
Construction of the box culvert which ties to the
existing storm drain in Del Obispo Street.
Construction Update ( Continued )
• Work Completed to Date (continued)
Construction of the junction structures and catch
basin which tie to the box culvert.
Removal of vegetation and trees within the City
storm drain easement.
Over-excavation and removal of poor soils
within the project limits.
Installation of the canyon sub-drain.
Import and backfilling in the over-excavated area.
Installation of 11200 feet, of the proposed
1,500 feet, of 48 inch storm drain line.
Construction of three manholes and two junction
structures in the lower reach.
Challenges
• Construction Access Issues — Temporary
Construction License Agreements with 16
Homeowners that border the project.
• Agency Permits — Early start outside of Agency
Jurisdictional Boundaries.
• Poor Soils Conditions — Middle Reach
• Existing Property Improvements — Working
with Homeowners to come to acceptable
solutions to replacement .
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