Recycling rock by rock crusher and rock crushing plant

Tuesday, Sep 07,2010
Recycling rock by rock crusher and rock crushing plant

A cost-neutral process helps Music City Center's builders keep trucks off the road [From our print edition featured in this week's City Paper

The Music City Center project has faced its share of critics.
But no detractor can blame the general contractor team of the massive convention center facility for failing to “build green.”

MCC builder Bell/Clark (in association with Harmony Construction) has leased some major rock crushing equipment that allowed excavation subcontractor Mountain States Contractors to forego the standard process of trucking in crushed rock for infill and, instead, produce that crushed rock from limestone excavated on site. Generally, excavated rock is hauled offsite and disposed of at a predetermined location.

Kristen Wright, project engineer for the effort, is coordinating the Leadership in Energy and Environmental Design process with the design team and its LEED consultant. Wright said rock crushing is a “green practice” because all but eliminates the pollution caused by hauling excavated rock from a site and trucking in to that site fill material from a quarry.

Making the on-site rock crushing even more noteworthy is this reality: There is minimal, if any, financial incentive.

“The savings achieved from not having to haul new fill material to the site are offset by the cost of the rock-crushing equipment and the air pollution permit,” Wright said.

Indeed, prior to bringing to the expansive construction site the rock crusher — a monstrous “mobile impactor plant” made by SBM — Mountain States Contractors was required to pull an air pollution permit (valid for 90 days) through the Metro Health Department. In addition, and during the rock-crushing period that recently wrapped up, Mountain States was subject to intermittent air quality tests.

With the limestone now crushed, the infilling process is in full swing.

“It is reused on site as fill under slab-on-grade concrete and around concrete columns,” Wright said.

The MCC project team, which includes the architectural trio of TVS, Tuck Hinton and Moody Nolan, is shooting for Silver LEED status for the 1.2-million-square-foot, $585 million facility. Green features, among others, will include a 360,000-gallon rainwater retention tank (which will store water to irrigate both a four-acre green roof and various outdoor landscaping features) and environmentally sensitive filters.

Comment by SBM Machinery:

SBM Machinery from China is one of the major rock crusher manufacturer and rock crushing plant supplier.
Our rock crushers are from primary crushing, secondary crushing to tertiary crushing, fineness crushing which include PE heavy duty jaw crusher, PEW small jaw crusher, PF impact crusher, PFW impactor crusher with hydraulic system, CS series cone crusher, PY spring cone crusher, HP cone crusher, HCS single cylinder cone crusher, vertical shaft impact (VSI) crusher, sand making machine, mobile crusher, portable crusher and so on.

Our rock crushers features with high crushing production capacity, low energy consumption, environmentally friendly, low downtime, easy to operate, easy to maintain, versatile application and so on.
Our rock crushing plant is suitable for crushing basalt stone, granite, hard limestone, sandstone, cobble stone, river stone, iron ore, bauxite, copper, silica sand, sand & gravel, manganese, chromite, nickel, gold and so on.

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