article thumbnail

Welding 101: 6 Different Types

Construction Marketing

In Germany, thermite welding was used on railroads and gas welding and cutting were perfected during this era. Essentially, the process consists of a high-velocity electron beam being applied to the materials that need to be joined. Energy/electron welding is performed in a vacuum environment, as gas can cause the beam to scatter.

Materials 411
article thumbnail

5 Best Railroad Work Boots

Work Gearz

If you are one of the many professionals that work for the railroads, you know well enough the challenges and issues regarding personal safety that you face every day you go to work. Railroad professionals deal with the heaviest of machinery daily, so good PPE is a given and this includes a good pair of protective work boots. 

professionals

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Validity of a Construction Cost Estimate – Public Sector

Job Order Contracting

Labor, material, and equipment costs, as well as productivity information should be provided and all based upon current local market conditions. Historical data for similar project will rarely be of any practical use due do variations in local market labor, material, and equipment pricing as well as productivity. Construction Estimate.

article thumbnail

Glossary of Greenhouse Gas Terms

Green Building Law Update

Biofuels Gas or liquid fuel made from plant material. Includes wood, wood waste, wood liquors, peat, railroad ties, wood sludge, spent sulfite liquors, agricultural waste, straw, tires, fish oils, tall oil, sludge waste, waste alcohol, municipal solid waste, landfill gases, other waste, and ethanol blended into motor gasoline.

article thumbnail

Construction of World Trade Centers

The Constructor

In gaining approval for the project, the Port Authority of New York and New Jersey agreed to take over the Hudson & Manhattan Railroad which became the Port Authority Trans-Hudson (PATH). Mon, 1 Oct 2012 About Jobs Connect Groups Forums Toolbar SMS Alerts RSS Feed Search The Constructor Subscribe by E-Mail to receive latest updates.

Concrete 127
article thumbnail

OSHA pushing to protect whistleblowers

FDR Safety

In June 2012, OSHA found the Norfolk Southern Railway in violation of similar anti-retaliation provisions in the federal Railroad Safety Act when it terminated three employees who reported injuries. . • An increase in the number of OSHA retaliation complaints. Damages of more than $800,000 were assessed.

OSHA 136
article thumbnail

The evolution of fluid-applied membranes

Construction Specifier

Fluid-applied waterproofing materials offer certain advantages over self-adhered sheet membranes, primarily the ease of installation, simplified detailing, and cost efficiency. Liquid-applied waterproofing materials. Liquid-applied waterproofing can be categorized into bituminous materials, coal tar, and polymeric materials.

CSI 98