DATE:
August 17, 2022
03
TO:
Board of Supervisors
SUBJECT
Title
LINDO LAKE IMPROVEMENTS PROJECT - AUTHORIZE CHANGE ORDER FOR PHASE 1 AND ESTABLISH AUTHORIZATION TO ADVERTISE AND AWARD A CONSTRUCTION CONTRACT FOR PHASE 2 (DISTRICT: 2)
Body
OVERVIEW
The Department of Parks and Recreation (DPR) operates the 55-acre Lindo Lake County Park located in the community of Lakeside. The park features the Lakeside Community Center and Teen Center, active and passive recreation, and a historic boat house, all of which surround Lindo Lake, the only natural lake in the county.
The Lakeside community's nature and recreation opportunities and the ecosystems of local and migratory wildlife depend on the health of Lindo Lake. When a dam was created on Lake Jennings in the 1960s, it cut off Lindo Lake's natural water supply and impacted its water levels and water quality. For these reasons, the restoration of Lindo Lake and the surrounding habitat is critical for the community and the natural systems in the region.
On May 1, 2019 (13), the Board of Supervisors authorized the Director, Department of Purchasing and Contracting to advertise and award a construction contract for the first of two phases, for the Lindo Lake Improvements project. As the result of competitive procurement, Granite Construction Company was awarded an $8,830,830 contract to construct Phase 1 which included restoration of the east basin of Lindo Lake, which has been completed.
The restoration of Lindo Lake includes the installation of a natural bentonite clay liner on the lakebed to prevent water loss. During Phase 1 construction, it was discovered that the quantity of bentonite required to complete the project was greater than the approximate quantity in the Bid Schedule. The quantity of additional bentonite required, which is measured by weight, was a result of three circumstances - 1) the area of the east basin requiring bentonite increased, 2) the required thickness of the bentonite appli...
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