Title
Community Development Agency, Transportation Division, recommending the Board adopt Resolution 151-2014 with a four-fifths (4/5) vote to authorize the Community Development Agency Director to award the informal bid contract for $181,999 to the lowest responsive, responsible bidder for the Latrobe Road Gabion Wall Retrofit Project, Contract No. PW 14-31074, CIP No. 48145.
FUNDING: Local Road Funds (No Federal Funds).
Body
BUDGET SUMMARY:
Total Estimated Cost…………… $181,999.00
Budget - Current FY…………… $181,999.00
Budget - Future FY………………
New Funding…………………….
Savings…………………………
Other……………………………
Total Funding Available………… $181,999.00
Change To Net County Cost…… $0
Fiscal Impact/Change to Net County Cost
This retrofit project is being constructed using local funds. With the adoption of this resolution, the Board of Supervisors (Board) is obligating the Community Development Agency, Transportation Division (Transportation) to award the informal bid contract to Advanced Geotechniques, Inc. for $181,999.00.
Background
A gabion retaining wall was previously constructed along Latrobe Road near Ryan Ranch Road as part of the Latrobe Road North of Ryan Ranch Road Project. Soil conditions and surrounding drainage features have caused unexpected settlement and erosion issues which have resulted in movement to the existing wall that requires a retrofit and stabilization of the wall.
Geotechnical investigations have been performed by Youngdahl Consulting Group (Youngdahl). It was Youngdahl’s professional recommendation to either remove and replace the existing wall or stabilize the wall in place with the use of a soil nailing system. Further analysis concluded that the cost and schedule impacts could be minimized by stabilizing the existing wall in place with the use of a soil nailing system.
Due to the technical and specialty nature of the soil nailing system, maintenance crews are not able to perform the improvements, and an outside...
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