article thumbnail

Underground Railroad Visitor Center tells story of oppression, then freedom

BD+C

The $21 million, 15,000-sf Harriet Tubman Underground Railroad Visitor Center in Church Creek, Md., The museum is conceived as a series of abstracted forms made up of two main structures, one administrative and one exhibit. uses engaging displays and exhibits to tell the story of Harriet Tubman’s life.

article thumbnail

Best Project Airport/Transit: Vineyard Commuter Rail

ENR Construction

The project added a new station to the existing FrontRunner commuter rail system, which shares a corridor with the Union Pacific Railroad (UPRR) freight main line.

professionals

Sign Up for our Newsletter

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

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. So many different styles and techniques have emerged since then—like resistance welding, gas welding and friction welding—that it’s worth taking a look at each to see which might be right for your needs. What is welding?

Materials 408
article thumbnail

Glossary of Greenhouse Gas Terms

Green Building Law Update

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. The atmosphere also contains clouds and aerosols.

article thumbnail

Common Types of Gradients in Transportation Engineering

Construction Cost Estimating

Scaffold, approach road and railroad, line-convergence. Those were the main factors for a gradient, but there can be some others, rarely. Qualities of traffic 2. Physical components of the site, for example, waste, security, appearance, admittance to adjoining property.

article thumbnail

Construction Sectors Explained

cnstrctr

Some of the main challenges of this work are scope and size, location and overall complexity, planning a construction project is key to success. Civil construction includes things like roadways, damns, railroads, bridges and anything that can be defined as infrastructure. Commercial Construction Sector. Civil Construction.

article thumbnail

15 Different Types of Cement and Their Uses

CivilJungle

Railroad and rail sleeper construction. Ordinary Portland Cement (OPC): The main use of ordinary Portland cement (OPC) is in masonry work. The main uses of Portland pozzolana cement are marine construction, hydraulic structures , dam construction, seashore construction, etc. Hydraulic Cement : Heavy construction places.