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BOARD OF COUNTY COMMISSIONERS
AGENDA REQUEST
DATE: September 3, 2013
TO: Honorable Chairman and Members of the Board
FROM: John Hofstad
SUBJECT: Wright Landfill - Piping
DEPARTMENT: Public Works
BCC DISTRICT: All
STATEMENT OF ISSUE: The pump and treat system at Wright Landfill requires additional
piping installed to increase system efficiency and prepare for Remedial Action Plan
Modifications expected from the FDEP. The current system utilizes a shared pipeline prone to
scaling and stress on system appurtenances.
BACKGROUND: The original pump and treat system design includes shared piping. Due to
the size and configuration of the pipes in the pipeline, the pressure exerted on each recovery well
pump is stressing the pumping system and causing an inordinate amount of iron scaling in the
pipeline. Staff believes that the additional stress on the system caused both pumps to be replaced
in the last year. To relieve the pressure stress and reduce scaling, each recovery well needs to be
piped independently. The pipeline for Recovery Well (RW)-1 will require a 6 inch pipe 4200
feet in length. The pipeline for RW-2 will require 3200 feet of 4 inch pipe. The piping
acquisition will include fittings and other appurtenances required.
The current pipeline will be temporarily abandoned. Staff anticipates a modification to the
Wright Landfill Remedial Action Plan that will require the installation of RW-3. The existing
pipeline will be the be cleaned and brought back in service to transport recovered groundwater
from RW-3 expected to be required by the FDEP through analysis of sampling and hydraulic
data.
The cost for the price will not exceed $75,000 and is included in the 2013 budget. The
installation of the piping will be performed by Okaloosa County Facility Maintenance.
OPTIONS: Approve/Disapprove acquisition of piping and related materials for the Wright
Landfill Remediation system.
RECOMMENDATIONS: Staff recommends that the Board approve the purchase of the piping
materials at a not to exceed cost of $75,000.
RECOMMENDED BY:
APPROVED BY:
Ernie Padgett, County Administrator