Case Studies


Case Studies

We've collected several case studies across a range of our products for you to learn how we've helped companies with our products.


Case Studies

11-W-4 Steel Bar Grating: Recommended for ADA-Compliance

In the steel bar grating industry, the correct specifications are crucial for ensuring safety and functionality. The 11-W-4 specification is particularly popular and often preferred for public installations due to its compliance with the Americans with Disabilities Act (ADA) requirements. This article examines the 11-W-4 steel bar grating specification and its suitability for ADA-compliant public installations.

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Understanding Different Bar Grating Sizes

In industrial and architectural applications, selecting the appropriate steel bar grating is paramount for safety, functionality, and durability. Professionals often encounter various specifications, each tailored for specific applications. This article will provide a comprehensive guide to four common steel bar grating specifications: 15-W-4, 22-W-4, 30-W-4, and 38-W-4.

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P&R Metals 19-W-4 Carbon Steel Bar Grating

Steel bar grating, a staple in industrial construction and architectural designs, varies widely in terms of its make-up and applicability. When discussing Steel bar grating, "19-W-4" is a specification that often comes to the forefront. You could say that 19-W-4 is as much the industry's standard as what 2x4 lumber is in the housing industry.

 

For those familiar with grating, this spec represents reliability and durability. For those new to it, P&R Metals offers a concise breakdown: 

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Electrical Rooftop Crossover Ramp

Electrical Rooftop Crossover Ramps

When workers need to traverse across rooftops, they often run into obstructions such as electrical conduit which can be hazardous for navigating. These dangers further increase when workers on the roof need to transport by cart their tools and materials.

P&R Metals develops rooftop crossover ramps to specifically help workers navigate rooftop hazards containing electrical conduit. The rooftop crossover ramps are design to allow workers to easily move across electric cables and cable trays while transporting their tools and materials by hand, cart, or dolly.

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Electric Substation 3x4 Ground Mats

Electrical Substation Ground Mats

P&R Metals makes a variety of electrical ground mats for the electrical transmission industry.  When working with grounded live electrical equipment, line workers and electricians run the risk of electrocution.  Typically, this situation can happen when electrical current flows directly through the body while the worker is standing on the ground.

Ground mats can reduce the risk of electrical shock.  Ground mats provide step and touch protection for workers in these environments, if properly installed.  If a worker becomes involved with electrical equipment that becomes energized, the worker risks an electrical current that can flow down from that equipment and thru that workers body, causing injury or possibly fatal.  With a ground mat properly installed and grounded, the worker is protected  because the electrical current would flow thru the mat and not the worker.

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Electrical Substation Work Platforms and Ground Mats

Electrical Substation Work Platforms and Ground Mats

P&R Metals has worked with numerous power company engineers on developing work platforms for the electrical substation industry. Their issues ranged from having a solid work platform versus having an employee attempt to work on electrical equipment, particularly switch boxes, while on ladders that may or may not be grounded. Most substations have a ground base of stone, which does not work well with solid footing for ladders.

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Grip Strut Heavy-Duty Walkway-Mining Quarry

Grip Strut Heavy-Duty Walkway - Mining Quarry

P&R Metals worked with a national engineering firm in determining the best option for conveyor walkway on a large South American mining project.  Their concern was getting the right product for their application, with materials being manufactured in the United States and shipped to South America for installation.

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Fiberglass Fencing - Railroad Park - Birmingham, AL

P&R Metals worked with a local Alabama fabricator to help with design on a fencing project for one of the playgrounds at Railroad Park in Birmingham, AL.  The issue was using a softer to the touch product for use around the perimeter of the playground.  The concern was small children's hands touching this fencing and limiting any issue with hands being caught up in the materials.

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Elevated Walkway - SweetWater Brewing Company

Elevated Walkway - SweetWater Brewing Company

P&R Metals was approached by an Atlanta general contractor in hopes of coming up with the right product for an expansion at the SweetWater Brewing Company in Atlanta. The work platforms needed to be corrosive resistant, as well as light weight. Also, with cylindrical tanks to go around, this posed a problem using standard steel bar grating, which would require additional supports.

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Interior Walkways-Davis Wade Stadium-Mississippi State University

Interior Walkways - Davis Wade Stadium - Mississippi State

P&R Metals worked with two local fabricators in determining the right product for the North and South end zone scoreboards at Mississippi State University.  The issue was having a grating that is lightweight but strong enough to span a safe distance without additional structural steel.  

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Aluminum Grating-Security Partitions-Jackson Academy

Aluminum Grating - Security Partitions - Jackson Academy

P&R Metals worked with a local Mississippi distributor on coming up with a solution for a security wall for underneath the stadium at Jackson Academy in Jackson, MS. The concern was need a material that looked aesthetically pleasing, but also strong enough to withstand intrusion possibilities.  

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Pass Christian Harbor Project-Pass Christian, MS

Pass Christian Harbor Project - Pass Christian, MS

P&R Metals worked with a Mississippi fabricator to come up with a solution for grating required for the Pass Christian Harbor re-build project. The harbor was completely destroyed after Hurricane Katrina. New post-Katrina construction standards were very stringent and required a strong, durable grating, but also had to be A.D.A. accessible.

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Aluminum Perforated Edged Panels-Patrick Taylor High School

Aluminum Perforated Edged Panels - Patrick Taylor HS

Architects had wanted to use aluminum perforated plate for handrail infill on the Patrick Taylor High School construction project in New Orleans, LA.  One of the issues was they wanted to have a border of trim around the plate.  Normally, this would be made with 2 flat bars sandwiching the plate and would require a great deal of welding on the aluminum, which can result in dis-colorization and take away from a clean look.

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Railroad refueling station - Birmingham, AL

Railroad Refueling Station in Birmingham Alabama

P&R Metals had the opportunity to work with a railroad company on an issues they had with refueling their locomotives. With containment required for possible spillage when refueling, the railroad company needed platform grating to cover the containment pits. These would need to be removed periodically and also, with very corrosive fuel mixture hitting this grating, durability was a major concern. Galvanized steel grating was not a problem in the regular areas, but where fuel could spill, there was an issue.

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Royal Victorian Yacht Club - Main Walkway

Royal Victorian Yacht Club

Royal Victorian Yacht Club in Victoria, BC had contacted us about the idea of using fiberglass grating for the dock walkways versus wood, which is the standards on most docks. They were replacing wood annually and it was also very slippery when wet. One of the problems was the new decking needed to be close mesh for smaller gaps, and slip resistant. We worked with the Yacht Club to come up with a custom color and also the use of our molded mini-mesh product.

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