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NLRB clears path for Operating Engineers decertification vote at Allied Stone

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.

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Cost index: Gulf Coast harbors strongest cement, concrete pricing supports

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.

Read more: Cost index: Gulf Coast harbors strongest cement, concrete pricing supports

ASTM, Slag Cement group publish C989-suited Product Category Rules

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.

Read more: ASTM, Slag Cement group publish C989-suited Product Category Rules