TragedyinOklahoma
Top Left: USING THE GREENONE KORO MACHINE to take out some sod after the concert. Top Right: PUTTING IN THE FRESH SOD.
Bottom: GOOD VIEW after sod was placed.
a 3 ton roller. The first week of July we actually caught a break in the
weather as a cold front came through central Oklahoma bringing
daytime highs in the low to mid 80's. Normally temperatures are in
the mid to upper 90's. Soil temperatures under the Terratrak (81 F)
were just a couple of degrees warmer than where grass was not covered (77 F). Most all Terratrak and Terraflor builds and removals
were done in the overnight hours to help the install crews as well
making the moves less stressful on the grass. By Production Day and
Concert Day, ambient temperatures crept back up into the low to
28 SportsTurf | September 2013
mid 90's. We received the field back to us later in the evening Sunday, July 7.
We started our post-concert maintenance plan as soon as the last
piece of Terratrak was removed. We did this in the wake of the
cooler overnight hours. The field was raked to stand the grass back
up where Terratrak has been laying around the stage and roadway
out to the front of house mix tower. We let the field rest and sit the
remainder of the night. On Monday, the entire field was verticut
and swept to help the rootzone to breathe even more and to remove
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