Sources: National Labor Relations Board; CP staff
In a case involving one of 12 crushed stone or sand & gravel operations under Moline, Ill.-based RiverStone Group Inc., the NLRB affirms a contract bar doctrine limiting to three years the window during which a collective bargaining agreement restricts unit members from pursuing a vote to decertify their union.
Source: IHS Inc., El Segundo, Calif.
The latest IHS Engineering and Construction Cost Index (ECCI) finds cement and concrete markets well supplied nationally, but with pockets of tightness developing—none more so than along the Gulf Coast, where delivery issues and labor constraints are driving price increases.
Sources: ASTM International, West Conshohocken, Pa.; Slag Cement Association (SCA), Farmington Hills, Mich.; CP staff
ASTM and SCA-developed Product Category Rules (PCR) will support customers seeking to issue an Environmental Product Declaration (EPD) for slag cement concrete or mortar, especially on green building projects where specifications stipulate or incentivize disclosure of raw material processing methods and chemical content.
Sources: U.S. Green Building Council, Washington, D.C.; American Chemistry Council, New York; CP staff
A new U.S. Green Building Council and American Chemistry Council initiative aims to ensure the use of sustainable and environmentally protective products in buildings by applying technical and science-based approaches to USGBC’s LEED (Leadership in Energy and Environmental Design) green building program.