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minimum design & construction standards - Martin County, Florida

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the pond level in NGVD 1929 datum.<br />

a. Metering Facility<br />

The Department shall be provided with a perpetual easement of ingress and egress to<br />

allow operation and maintenance at the metering sites. The metering facility shall be laid<br />

out in accordance with the Department’s specifications and details. Fence shall be<br />

constructed of similar materials and components to that required for lift stations and shall<br />

enclose all metering facilities with a poured concrete base extending to its perimeter. The<br />

general/electrical contractor shall provide the facility with electrical service to a support rack<br />

with meter, a distribution load center and service isolation. The support rack shall be sized<br />

to accommodate the RTU control panel. It will also be the responsibility of the<br />

general/electrical contractor to insure that all underground/pad conduit work is completed<br />

during the <strong>construction</strong> process.<br />

b. Meter<br />

The meter shall be a 150 psi flanged Water Specialties ML-04-D with remote mount kit<br />

sized appropriately between 4”and 10” to accommodate the effective operating flow rates.<br />

Manufactured by McCrometer Corporation. The transmitter shall be powered by a 24 VDC<br />

supply from the control panel. Meters less than 6” in diameter will required special review<br />

by the Department.<br />

c. Control Valve<br />

Depending upon the location in the reclaimed water distribution system the control valve<br />

shall be the following and sized to the same size as the meter.<br />

Control valve with motor actuator<br />

The valve shall be a KTM Single V Control Ball Valve as manufactured by Tyco Flow<br />

Control.<br />

The actuator shall be a Limitorque LY series;<br />

110 volt, single phase, open/close service with the following:<br />

8 S.P.D.T. limit switches;<br />

2 position potentiometers;<br />

4-20 mA signal input for PID flow control;<br />

Electromechanical starter;<br />

3-button, 2-lite pushbutton station;<br />

Complete adapting package to the control valve with the actuator mounted and all switches<br />

set.<br />

d. Control Panel & RTU<br />

The developer or contractor shall procure the services of DCR Engineering Services, Inc.<br />

as the sole source provider for <strong>design</strong>, manufacture and installation of the site RTU<br />

57

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