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Archive for June, 2015

Removing markings from pavements, airfields or floors?

Thursday, June 11th, 2015

If you are removing markings from pavements, airfields or floors, following these 12 steps will improve your results.

SMITH LNX8 removing markings

  1. Select the right equipment and cutter drum assembly for the desired surface profile (1-10) specified and consistently perform in the “cutter impact zone” (narrow cutting edge position to the surface).
  2. Inspect chassis, drive, power and cutter drum components for wear, loose or malfunction, and replace prior to use with stock OEM parts. Stock extra cutter drums and wear parts on the job to reduce downtime.
  3. Reduce the causes for vibrations by replacing worn drive, cutter components and reducing depth-of-cut on uneven or hard surfaces.
  4. Ensure cutter drums are in balance, correctly spaced and aligned to prevent uneven wear, binding or breakage.
  5. Prevent hard-drop cutter drum starts with soft-lowering mechanisms, and inspect that reactive cutter surface depth and pitch angle control mechanisms are properly set and operational.
  6. Ensure the equipment travel speeds and cutter drum rotational speeds are not excessive for the cutter, equipment or surface. Always decrease or increase the cutting-impact force required for desired cutter wear, removal performance and surface finish.
  7. Prepare for any surface or material inconsistencies with the correct cutter styles, cutter drum rotation, depth and pitch settings, forward/reverse travel feed rate, cutter to surface exposure ratio and if required a sweeping side-to side motion to achieve surface profiles.
  8. Always remove in shallow depths with multiple passes when working on uneven and/or hard surfaces.
  9. Control the lateral shear force loads outside the cutter impact zone that may cause cutters to wear, bind or break prematurely.job log for removing markings
  10. Prevent overheating components and coatings from continuous removal operations.
  11. Ensure all removed materials evacuate from the cutter housing to prevent buildup and the cutters from contacting the surface.
  12. Perform a test strip to dial in the right surface profile and cut depth. Log results and verify for approval prior to starting job.

For a PDF copy of this list, together with a job log, please click here.

From Within and Without: History of Haitian Photography

Thursday, June 11th, 2015

Photography has provided ongoing and important narratives of the Haitian people, art, culture, and politics since the advent of the medium in the 19th century.

NSU Art Museum Fort Lauderdale will present the first comprehensive museum survey of photography in Haiti. The exhibition is From Within and Without: The History of Haitian Photography. It is curated by renowned artist Edouard Duval-Carrie.

Haitian photography

From Within and Without: The History of Haitian Photography

The exhibition runs from June 21 through October 4, 2015.

Be our guest for the opening for this extraordinary exhibit at 7 pm Thursday, June 25, 2015. For details. please click here.

Haitian photography

From Within and Without is organized by NSU Art Museum Fort Lauderdale, and is curated by artist Edouard Duval-Carrié.

Surface Profile Chart vs Application Method

Tuesday, June 9th, 2015

If you are looking for a fast and easy way to achieve the right surface preparation standards for your binder systems, read on.

SMITH Manufacturing has developed a simple surface profile chart for the pavement maintenance industry. It only specifies the “end result” as depicted by a profile number (SP1 – SP10).

surface profiling

As a specifier, you simply indicate the numbers from the surface profile chart that would work best for the manufacturer’s binder system. Then, it will be up to the contractor to produce a good match for your selected number(s) using their preferred application methods. This profile chart references selected “end results,” or profiles prior to installing selected coating (binder) systems.

In our experience, when a specific surface profile range is specified vs. a specific application method, everyone benefits – suppliers, contractors, inspectors, and the public.

Click here for Pavement Marking Specification.

Marking Type Surface-Prep Selection Guide

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Specifications and data are subject to change without notice.