Cedar Rapids, IA

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Insight on C Mixes

I have an answer for the definition of a C-4 mix (ôDesign Specs for a C-4 Wall,ö February 2002. IÆm working with a concrete contractor who is pouring C-4 for his footings in the morning, setting wall forms, and pouring them with C-4 that same day in winter conditions. What is your opinion of this construction process? How will this affect the concrete strength and durability down the road?) More

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Chute Safety: Guidelines for Drivers