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CC - Approval of a Professional Services Agreement with Ayala Engineering for Tree Well Grate Modifications Citywide for an Amount Not-to-Exceed $30,000.00
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Contact Person/Dept: Eric Mirzaian/Public Works
Phone Number: (310) 253-6444
Fiscal Impact: Yes [X] No [] General Fund: Yes [X] No []
Public Hearing: [] Action Item: [] Attachments: Yes [X] No []
Commission Action Required: Yes [] No [X] Date:
Public Notification: (E-Mail) Meetings and Agendas - City Council (06/08/2016)
Department Approval: Charles D. Herbertson, Public Works Director/City Engineer (06/03/16)
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RECOMMENDATION
Staff recommends the City Council approve a professional services agreement with Ayala Engineering (Ayala) for tree well grate modifications citywide for an amount not-to-exceed $30,000.00.
BACKGROUND
Throughout the City there are areas with steel or concrete tree grates; mostly in the downtown and commercial corridor areas. The tree grates were constructed as part of various revitalization projects, which included new tree plantings, throughout the City. Over the years, as trees have grown, they have begun to outgrow these spaces. In most instances, trees are beginning to lean into the steel grates causing damage to the trunk of the existing trees. In other instances, the roots of trees are beginning to lift the concrete tree wells. The concrete tree grates are also not ideal since they can tend to "suffocate" tree roots.
DISCUSSION
The proposed work by Ayala will include onsite modifications to remove concrete tree wells and to backfill with decomposed granite. Additionally, Ayala will widen the openings of the steel tree grates to allow for more growing space for the trees and eliminate any sharp edges that may be damaging to tree trunks. This latter method will inv...
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