Industry News - August 2023

Patent approved for Felling Trailers’ Air Bi-Fold Ramps System

Felling Trailers was awarded a U.S. patent for its Air Bi-fold Ramps System. The Air Bi-fold Ramps System was introduced to the construction and paving industry at the 2020 CONEXPO-CON/AGG show. The system was featured on Felling’s 25-ton FT-50-3 LP, a tri-axle low-profile flatbed tag trailer. Key features of the design are the operation of the flip ramp and also the controlled flow air ramp technology.

Anua completes acquisition of Sim/Tech

Anua International has acquired all assets of GAG Sim/Tech Filters. Sim/Tech will continue to operate as usual in Boyne City, Michigan. All current staff are being retained, including Operations Manager Darrell Maves and Plant Manager Chris Jones. Sim/Tech Filter manufacturing will be under the direction of Chief Operating Officer Marcelo Cassani.

Installers invited to comment on universal plumbing code

This fall, onsite professionals will have the opportunity to suggest changes in treatment policies through the Universal Plumbing Code. Published every three years by the International Association of Plumbing & Mechanical Officials, the UPC serves as a set of ideas and policies that have found their way into state or county regulations. A five-month window is open for public suggestions for the 2027 edition of the code. In the Uniform Plumbing Code, the onsite wastewater section is Appendix H, Private Sewage Disposal Systems.

The code has general statements, such as saying dispersal systems will be outside of an area that floods, and alternate systems will be acceptable to a government entity given sufficient data on its performance. One table lists setbacks of onsite systems from complications such as buildings, trees, streams and water wells. Another table lists the acceptable capacity of septic tanks based on the number of bedrooms in a dwelling: 750 gallons for one or two bedrooms in a single-family home, for example, and 3,500 gallons for a 10-unit apartment building with one bedroom per unit. A design table suggests the amount of leaching area per 100 gallons of wastewater. Other sections cover perk tests, septic tank construction, dispersal fields, cesspools, and inspections and testing.

IAPMO’s timeline for the 2027 edition of the Uniform Plumbing Code says public proposals will be accepted until Jan. 2, 2024. For more information, go to 


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