Legislators in New York and New Jersey are considering bills that would promote the use of low-carbon concrete on state projects.
Both legislative houses in New York have approved a measure that would require the Office of General Services to set guidelines sourcing concrete with lower embodied carbon for state contracts. Contractors would be mandated to follow the guidelines and certify that the concrete they use is in compliance.
In New Jersey, the legislature is deliberating a bill that would establish a discount rate for contractors using low-carbon concrete when they submit bids for state projects. The bidding advantage would be based on the global warming potential values for concrete. The discount could be as much as 8% of the total cost of the project.
The production of cement is estimated to be responsible for as much as 7% of total global carbon emissions. Cement manufacturers have developed portland-limestone cement, a blend with higher limestone content and lower carbon. Another lower carbon manufacturing process uses fly ash to replace as much as 50% of the portland cement in concrete. A third alternative involves injecting carbon dioxide into ready-mix concrete at the batch plant.
Related Stories
| Oct 31, 2012
Demand for living roofs, walls to reach $7.7 billion by 2017
The demand for green roofs and living walls is expected to climb from $5.3 billion in 2011 to $7.7 billion in 2017, according to a report from Lux Research.
| Oct 25, 2012
Philadelphia councilmen move to crack down on contractors working without licenses, permits
Two Philadelphia city councilmen are trying to crack down on the "underground economy" of developers and contractors who work without licenses and permits, pay cash under the table, and operate unsafe job sites.
| Oct 25, 2012
OSHA and NIOSH offer Spanish version of nail gun safety document
The Occupational Safety and Health Administration and the National Institute for Occupational Safety and Health have made available a Spanish version of “Nail Gun Safety - A Guide for Construction Contractors.”
| Oct 25, 2012
AGC holding webinar on sequestration’s potential impacts on the construction industry
AGC will hold a free webinar on sequestration and its potential impact on federal construction contractors on Nov. 7.
| Oct 25, 2012
Nashville providing incentives for green roofs
The city of Nashville, Tenn., is promoting the installation of green roofs through a measure providing a $10 reduction in a property's sewer fees for every square foot of vegetative roof.
| Oct 25, 2012
Net Zero buildings will use operating systems like computers to save energy
As buildings become more efficient and begin to use distributed electricity generation, they will need to become “smarter,” using operating systems much as a computer does.
| Oct 18, 2012
Princeton, N.J. residents upset over proposal to exempt colleges from land use laws
Princeton, N.J. residents criticized proposed legislation that would exempt private colleges and universities from following local land use laws for construction projects.
| Oct 18, 2012
Utah contracting firm challenges state immigration law
Universal Contracting LLC of American Fork, Utah, has filed suit challenging the constitutionality of Utah’s 2011 immigration law.
| Oct 18, 2012
More than 65,000 construction, design jobs may be cut if sequestration takes place
About $2 billion worth of construction and design projects would be eliminated if scheduled federal budget cuts, referred to as sequestration, take effect on Jan. 2, 2013.
