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BV Precast
First app of its kind!

BV Precast calculates the volume and estimated weight of a round manhole block-out. With BV Precast, you can eliminate the error of your standard estimation to save time, money and material. Reduces complex calculus theory and integrals into a simple and easy calculator available at your fingertips. Developed by leading professional in precast concrete industry.

BV Precast allows volume calculation of up to four block-outs per manhole.

User needs three simple pieces of information: manhole inside diameter, concrete density, and block-out diameter(s).
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