Lindsey Sylvester, P.E., Project Engineer - Baltimore, MD

Lindsey Sylvester, P.E. Celebrates Four Years with RJN

Lindsey Sylvester, P.E., a Project Engineer operating out of RJN’s Baltimore office, is celebrating her four (4) year anniversary with RJN this month!

Lindsey is a native Delawarean and graduated from the University of Delaware (one of four Fighting Blue Hens in the Baltimore office!).  Outside of work she is a musician and a rower.  She plays two (contrasting) instruments – the trombone and the clarinet, and she is a crew rower with the Baltimore Rowing Club.

Some highlights from the past 4 years:

  • Marrying her husband, Joe Sylvester, in 2013
  • Rescuing her dog Ridley
  • Obtaining her Professional Engineer (P.E.) License in the state of Maryland
  • Attending Johns Hopkins University to earn her Master Degree in Environmental Engineering Planning and Management (graduation set for May 2015)

While at RJN, Lindsey has worked on various wastewater collection system projects in both Maryland and Virginia.  … Read the rest

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    I/I Pie Chart

    What does that flow look like?

    As a leading expert in wastewater collection systems, one of RJN’s strongest specialty services is the identification of inflow and infiltration (I/I) sources in sanitary sewer systems. Using a combination of smoke testing, manhole inspection, dye flood testing, building inspection, and sewer televising, detailed data on the locations and characteristics of I/I sources are collected in the field and then compiled in ways that are useful for analyzing their aggregate effects on the collection system.

    A key component of this analysis and of any sanitary sewer evaluation survey (SSES) is the flow quantification process — that is, the estimation of the total flow that would be contributed by the identified I/I sources during a wet-weather event.Read the rest

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      Memphis Mayor with RJN Field Crew

      Memphis Mayor Sees Firsthand RJN’s Smoke Testing Services

      RJN Group field technicians were recently in Memphis, Tennessee performing smoke testing on the City’s wastewater collection system.  While performing smoke testing it is not unusual for curious residents to come out of their house to ask questions from our field staff about what we are doing.

      In one particular neighborhood that resident ended up being A C Wharton, Jr., the Mayor of Memphis, he saw RJN smoke testing and stopped to say “Hello”.

      RJN staff included in the picture with Mayor A C Wharton, Jr. are Field Crew Leader, Joseph Colley; Field Crew Chief, Preston Fisher; Field Technicians Jamie Riggs, Rick Benson, and Frank Baumgartner; and two of our temp workers.… Read the rest

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        Iowa City 2013 Flood

        Extreme Weather, Public Perception, and Lessons from a Very Wet and Weird Year

        All across our nation, 2013 was a year during which extreme weather never seemed to take a break. It started with the northeast still recovering from Snowicane Sandy, and the disasters only mounted from there. Blizzards, downpours, floods, and November tornadoes would all top headlines before the year was out, and two months into 2014, the U.S. has already suffered a severe drought, an early wildfire season, and multiple visits from something called a polar vortex.

        Here in the Chicago area, we had the second wettest spring on record in 2013. We talked previously about the April 18 storm and the havoc it wreaked on much of the western suburbs.… Read the rest

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