Knowledge Hub

West Park Five Years Later: Alternatives Analysis Provides Proper Protection
If the last few years have shown us anything, it is that storm events are trending toward the severe end of the spectrum in terms ...
Can Conserving Water on Rainy Days Prevent Sewer Overflows Continued?
In Part 1, this discussion centered on whether conserving water on rainy days could help prevent overflows in separated sewer syst...
Can Conserving Water on Rainy Days Prevent Sewer Overflows?
I recently caught up with an old college friend who mentioned she was refraining from using water during heavy rains so that she w...
Avoiding the Perils of CIPP While Maximizing Its Benefits
So your engineering team has decided to use cure-in-place-pipe (CIPP) to prolong the useful life of the municipal pipelines, but w...
RJN Announces New Partners
At RJN, when individuals demonstrate acute business acumen and an aptitude for leadership, our firm takes notice. 

When I/I Persists After A Sewer Remediation Program
When you have completed a comprehensive inflow/infiltration (I/I) reduction program, but I/I levels are still not where you want t...
Dog Day in the Field
On any day, given the nature of the work we do at RJN, our firm’s field personnel see all manner of strange things. 
MSI Drives Rehab Planning for Large-Diameter Pipes
Like most cities across the US, the City of Tulsa is dealing with the maintenance and operation of an aging sanitary sewer infrast...
The 411 on Preventative Maintenance Programs
So, you reviewed thousands upon thousands of feet of CCTV footage and now you have mountains of data
Inflow/Infiltration Sources Captured on Video
Inflow/infiltration or clean water entering the collection system can strain capacity and cause overflows.
RJN Earns Best Firm to Work For Recognition Again in 2021
RJN Group Inc. has been named a Zweig Group Best Firms To Work For. This recognition is a culmination of effort .