1775 Old 6 Road
PO Box 535
Brooklyn, IA 52211
Phone: 641-522-9206
fax: 641-522-5594

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Ryan Kupka has been finish blading almost all of the rock that has been laid on the speedway so far. This blade has been outfitted with a Trimble total station robotics system. The machine has an on board computer to receive information from a laser transmitter to automatically blade the surface
to preset design grades. Mike VanTomme was following with the scraper to remove windrows of extra rock.

   It has been a busy spring this year with the Iowa Speedway being the main thrust of the crews. Bob and his crew started out doing subdrain around the state for about a month and then moved in to the track to help Virg and Jeremy with their crews laying base rock. There is approximately 140,000 ton of base rock to be laid on the speedway track and complex. When they were placing the rock on the track on one Saturday there were 51 trucks hauling material to the stockpile in the infield. Rock was coming in around 1100 ton per hour. They then hauled the rock on to the track with 3 belly dumps. On one day those 3 trucks SAFELY hauled over 5200 ton on the track from the stockpile, WAY TO GO GUYS! 

    Along with all of the rock placing, the guys and gals have split up into 3 and sometimes 4 crews to do Fly Ash stabilization. We have 10,000 ton to incorporate into a 25' fill over a culvert on Rusty Wallace drive Phase 2, and 5500 ton on the Fairfield airport. Both of these projects are going at the same time. With all of the crew splitting and new challenges we need to be extra careful in our daily routines. Some of these tasks are new responsibilities for some crew members. Lets take the time to make sure everybody knows how to run each piece of equipment and safely complete each project. I'll keep it short this month as I have included panoramic pictures of progress on the track. Give Sandy Mac a big hand for fitting all of these in the newsletter!

 

In the turns on the track, the banking is 12 to 14 degree compound banking. This is obviously too steep to use dump trucks. To lay the base rock we used 3 belly dumps driven by Dave Yakle, Don Hiner and

Dennis Mcllrath. The trucks were driving speeds of up to 45 mph when dumping to keep the trailers from riding down the track as they dumped their load.