Developed by Delta Engineers, DP Vault is a new preliminary design and materials estimating program for sectional precast square and rectangular underground vaults that takes much of the guesswork out of vault estimation.
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This program allows the user to select from various components to be considered, then guides him or her through a preliminary design by inputting the dimensions of the structure, member thicknesses, concrete strength, design load, and basic soil condition. The design load may be selected from HS20, HS25 or Pedestrian.
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Components include base slab, mono or integral base riser, middle riser sections, mono top riser and cover slab. Each component has inputs for bar cover, bar size and spacing. Wall designs give the option for either one or two layers of reinforcing. The program checks each element at critical locations for flexure, shear, and serviceability. Red and green lights immediately display the adequacy of the selected combination. A red light alerts the user that one or more parameters must be changed.
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