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Archive for the ‘Dust Collectors’ Category

Airmark Thermoplastic Removal at Airports

Thursday, May 18th, 2017

The X-Series pavement marking erasers were use to remove Airmark flame applied thermoplastic pavement markings on the tarmac at the Fort Lauderdale International Airport during an airfield marking symposium.

The Ennis-Flint AirMark marterial is a durable preformed thermoplastic pavement marking material for airside use at Part 139 and GA Airports.

Typically, scrapers and torches are a laborious method to remove this type of gummy, difficult to remove material. Water blasters available at airports are unable to remove Airmark on asphalt without damaging the asphalt surface.  Common drum-style scarifiers and planer machines are ineffective and create deep surface grooves. 

The SMITH X-series Erasers are combination rotating scrapers that lift up and move the materials to the side and not into the pavements like drum-style grinders.  Although the removal took 4X longer than traditional paint markings, the materials were removed without having to hand scrape or flame torch the surface.  

The equipment consisted of an X3 rotary eraser with MV5500 HEPA vacuum outfitted on a Bobcat Toolcat supplied by Burnie Carstens with Bobcat of Broward. A sit down LNX8 Eraser with automatic depth controls driven by an SR25 Sulky.  

The airport appreciated that the final surface was preserved and appeared as if no markings were ever applied.  The surface was left in a profiled SP5 roughness similar to the outlying areas of the untouched tarmac. The SP5 profile is ideal for re-applying preformed thermoplastic markings on this type of asphalt surface. The following day, a new Airmark pavement marking will be applied by Ennis-Flint.

For more information, please contact your authorized SMITH Representative. 

Surface Preservation by SMITHing

Tuesday, March 7th, 2017
surface preservation, SMITH LNX8 Eraser, Thermoplastic marking removal
Surface-preservation by SMITHing is a safe, easy and cost effective solution to assure road and floor surfaces are protected during repair and maintenance activities.
There are nearly 3.95 million miles of public roads in the United States, valued at more than $1.75 trillion. When pavements have to be re-striped or repaired, specifiers should recommend processes that extend pavement life and improve motorist safety and satisfaction, while saving tax dollars.
The SMITH X-Series rotary erasing process is just one example of a system that will properly prepare surfaces prior to striping and remove markings without micro-cracking or bruising the surface.
Recently, SMITH demonstrated their LNX8 Rotary Eraser removing thermoplastic stopbars in the City of Margate for a micro surfacing project. The removal method had to properly remove the existing thermoplastic materials without gouging the surface or dislodging aggregate loose pre-application of the slurry. It was important that the removal operation preserved the integrity of the underlying asphalt base so the micro-surfacing can be applied cost-effectively. This video shows the results of the trial:
Traditionally, planers or scarifiers (aka grinders) are used to remove pavement markings prior to resurfacing. This vertical cutting method destabilizes the surface, causing inconsistent cut depths and pavement scarring while loosening the rock, causing surface micro-cracking and pavement bruising. Water blasters are also used to remove markings, but due to the different density and tensile strength of pavement surfaces and marking materials, the water cut depths are inconsistent, allowing the sand and binder in the asphalt to wash out of the surface, causing undermining and rutting from the high pressure water blasting operations.
The SMITHing method is a true surface-preservation solution for anyone looking to protect their surfaces prior to paving operations. The right equipment, cutter tools and “4-step prep process ” as depicted in the video is all it takes. Please contact a SMITH Representative for more information on getting the right pavement or floor-prep equipment, specifications and processes to meet your  surface preservation requirements.

Dust busting OSHA rule solution found at ATSSA

Monday, March 6th, 2017

Dust busting OSHA rule solution found at ATSSA

OSHA approved HEPA gasoline powered vacuum collecting all airborne dust from stripe removal equipment

At the ATSSA 2017 convention, contractors learned the compliance rules for the new OSHA rule for silica-dust exposure. The rule is effective June 23, 2017 and affects anyone working with dust-producing equipment.   

This photo by ATSSA captures Dave and Jim Jobeun with Todco Barricade talking to Steven Smith on the exhibit floor at ATSSA 2017 about the SMITH MV5500 gas powered vacuum. The MV5500 is a cost effective gas powered dust collector that can help contractors comply with the OSHA silica rule

Photo courtesy of ATSSA

This photo, courtesy of ATSSA, is of Dave and Jim Jobeun of Todco Barricade, and Steven Smith on the exhibit floor at ATSSA 2017. The discussion was centered on how the SMITH MV5500 gas-powered vacuum can help contractors comply with the OSHA silica rule. Todco Barricade purchased the MV5500 along with a MV-SB cyclone separator to contain all airborne dust from their stripe removal equipment.


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