Tetra Tech, Inc
Tetra Tech, Inc
Tetra Tech, Inc
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Concentrate Disposal Test/Injection Well and<br />
Monitoring Wells<br />
North Miami Beach, Florida<br />
Project Highlights:<br />
• The deep injection well<br />
and dual zone monitor<br />
well were designed and<br />
permitted by <strong>Tetra</strong> <strong>Tech</strong><br />
and were constructed to<br />
comply with the<br />
regulatory requirements<br />
of the Florida<br />
Department of<br />
Environmental<br />
Protection Underground<br />
Injection Control Rule<br />
• This project included<br />
preliminary and final<br />
design services,<br />
permitting, bidding, and<br />
negotiation for the wells<br />
Project Value:<br />
$260,000 (Project Fee)<br />
$4,700,000<br />
(Construction Cost)<br />
<strong>Tetra</strong> <strong>Tech</strong> provided hydrogeological services to the City related to the design and<br />
permitting of the Concentrate Disposal Test/Injection Well and Monitoring Wells. A<br />
new deep injection well was constructed to dispose of the concentrate from the proposed<br />
nanofiltration/reverse osmosis water treatment plant (WTP). The new deep injection<br />
well is located on the Norwood-Oeffler WTP site after an exemption was obtained for<br />
the required setbacks to the existing potable water supply wells.<br />
The Class I injection well was designed to a depth of approximately 3,400 feet below<br />
land surface with a FRP tubing inside diameter of 14.5 inches to handle the maximum<br />
initial Phase I concentrate disposal flow of 5 MGD. A dual zone monitoring well was<br />
constructed for monitoring of the shallow and deep aquifers overlying the zone of<br />
injection. The dual zone monitoring well included construction of 16-inch intermediate<br />
casing to a depth of approximately 1370 feet below land surface with 65/8-inch tubings<br />
constructed to depths of 1,670-feet below land surface for monitoring of the shallow and<br />
deep aquifers, respectively. The deep injection well and dual zone monitor well were<br />
designed and permitted by <strong>Tetra</strong> <strong>Tech</strong> and were constructed to comply with the<br />
regulatory requirements of the Florida Department of Environmental Protection<br />
Underground Injection Control Rule.<br />
This project included preliminary and final design services, permitting, bidding, and<br />
negotiation for the wells.<br />
Project Duration:<br />
February 2001 to<br />
March 2004<br />
Project Staff:<br />
Charles Drake, PG<br />
James Christopher, PE<br />
Reference:<br />
City of North Miami Beach<br />
17050 N.E. 19th Avenue<br />
North Miami Beach, FL<br />
331662<br />
Dr. Jeff An<br />
305.948.2967<br />
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