SERVICES: Cleaning of Large Diameter Sanitary Sewers • Manhole Inspections
WORK PERFORMED: May 2012 – May 2013
Mr. Glen Diaz, Unit Coordinator, Wastewater Collections Group
(p) 301.206.4378 • firstname.lastname@example.org
14501 Sweitzer Lane, Laurel, MD 20707
SCOPE OF WORK
The project scope consisted of performing light and/or heavy cleaning of existing large diameter sanitary sewer mains located on Prince George’s County Parks and Recreation property and on Commission property in Prince Georges County, Maryland. 4,375 LF included existing sanitary sewer mains range in size from 36 inches up to 102 inches. There are also two siphons associated with this effort. One siphon is a single barrel, 102 inch diameter pipe and the second siphon is a triple barrel with one 36 inch, one 42 inch and one 60 inch pipe. Also included in this work is the construction and installation of a bulkhead to stop upstream Inflow and Infiltration as well as continuous by-pass pumping to dewater the lines to be able to inspect the pipe. We teamed with Brenford Environmental on this project, utilizing their Sewer Hog™ and Grit Gator™ cleaning system. The quantities included:
Hydrostructures once again made the list of the Top 50 Trenchless Engineering Firms as ranked by Trenchless Technology Magazine. For 2018 we came in at #28! The complete list can be found at the Trenchless Technology website.