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ITEM: AUTHORIZATION TO REPLACE EXISTING DRAINAGE CULVERT AT PALM BEACH POLO AND C-7 CANAL
REQUEST: Authorization to replace existing drainage culvert at Palm Beach Polo and C-7 Canal, at an estimated cost of $147,600 (includes 20% contingency).
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EXPLANATION: Due to a recently developed sink hole (See Exhibit "A") on the existing 60" drainage culvert under Muir Circle in PB Polo, the Public Works Department is expediting a culvert upgrade/replacement project.
During a routine inspection, our contracted scuba diver found the top of an existing 60" drainage culvert crushed approximately 20+/- feet (See Exhibit "B" - Dive Report). The culvert was cleaned shortly after this discovery and scheduled for replacement in the later part of 2014.
Due to the location and size of the recent sink hole (developed last week), we have decided to expedite the project. The following is the estimated cost and scope of project:
Description
Estimated Cost
De-Watering, pipe installation, compaction and cofferdam removals. (Murray Logan Const. utilizing existing PW annual contract #007-10/JM approved by Council 6/24/14 through 8/24/15).
$79,000
Purchase 160' of 72" corrugated aluminum pipe (C.A.P.) with Accy's. (Metal Culverts, Inc. utilizing existing annual contract #047-13/JWV approved by Council 2/25/2014 through 2/26/2016.
$22,000
Clean up sod installation by Wellington's crew
$10,000
Roadway and pathway reconstruction by Wellington's crew
$7,000
Intallation of cofferdams, locate existing utilities/prep work by Wellington's crew
$3,500
Right of Way Survey
$1,500
Total Estimated Cost
$123,000
Contingency (20%)
$24,600
Grand Total Including Contingency
$147,600
The project is scheduled to begin within the next few weeks. Although there will be no road closures (Muir Circle) during the construction, residents should expect some minor delays during periodic lane closures.
A meeting with HOA and golf course representatives is being scheduled...
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