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Engineered Roof Puts Slurrystore Back To Work
Todd Cole turned his old Slurrystore into feed and machinery storage by roofing the 62-ft. dia., 25-ft. tall structure. No longer needed since Cole quit dairying, the manure storage unit had been empty for more than 20 years.
"I thought about tearing it down, but that would have been costly," says Cole. "I needed a commodity shed, and this had a nice cement pad outside. Inside the cement was still perfect, really smooth with no chipping or peeling."
When a carpenter friend suggested he could help him build a roof, Cole went to the local lumber/hardware store. Their engineering department provided advice and plans. Eventually, he hired a structural engineer to review and finalize the design.
The structural engineer pointed out if the only perimeter support was the Slurrystore walls, it could "kink like a pop can." The roof's 30,000-lb. weight would be too much.
They came up with a plan for 22 rafters joining at the center for a clear span roof. The design included framing in a 15-ft. wide by 16-ft. high doorway.
Additional roof support would be provided by 22 sets of three 25-ft., 2 by 6-in. boards laminated together with nails. These were bolted to the side of the Slurrystore directly under each of the 22 rafters.
Cole and his carpenter friend used a scissors lift and a telehandler to put the clear span beams in place. The roof peaks at 37 ft. in the center with a vent between each rafter near the top of the building. An old Pax bulk feed roof painted black was set at the peak.
"It cost an extra $1,800 to install the clear span roof, but it was worth it for access to the entire floor space," says Cole. "The entire project cost a little more than $40,000."
The only drawback, he says, is excess heat in the summer. He is considering adding windows for increased ventilation to help with that in the future.
"Looking at the cost of a new building plus concrete, I know I came out ahead," he says. "This holds my tub grinder, feed wagon and skid loader, as well as ingredients for mixing for one to two days."
Contact: FARM SHOW Followup, Todd Cole, 2731 450th St., Clarkfield, Minn. 56223 (ph 320 669-7406; cell 320 226-0825; colet@frontier.net).


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2011 - Volume #35, Issue #2