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Flat Grain Storage

Pro·Tec Buildings keep your grain against the elements! The tough, tightly woven polyethylene fabric cover resists tearing and leakage keeping your investments protected & safe. Engineered for stability & strength, Sentry Buildings can store over 5 million bushels of grain!

Engineered to Meet Current IBC: Sentry Series Buildings follow the most recent building code while focusing on maximizing the features & benefits you get for the money. Its many applications include livestock shelters, commodity storage and flat grain storage. By adding the Grain Shield to your Sentry Building, you can store up to 30%+ more grain!

Sentry Series building highlights include: using all high strength steel, "cross-braced" frames, rolled chords, universal wall attachments, grain storage capabilities, conveyor capabilities, simplified construction, and many more that make the Sentry Series a state of the art investment for any application.

Widths: 40' up to 200' | Length: Manufactured to Any Length
Walls: Truss & Gable | Spacing: 10', 12', 16'

Engineering Design Specifications

Wind Loads: The Sentry building series is classified as partially enclosed with a wind speed of 90mph. This enclosure classification requires the use of .55 and -.55 internal pressure coefficients for positive and negative internal pressure. These are the highest coefficients that are required for any enclosure classification. It allows for a building to have three closed walls and one open wall. Pressure relief panels are not needed to lower the enclosure classification.

Snow Loads: Both balanced and unbalanced snow is applied to the model as service load cases. The standard building series is designed to 30psf, 40psf, and 50psf ground snow. The trusses are spaced closer together as the snow load increases 16ft, 12ft, and 10ft respectively.

Design Load Combinations: Service loads are factored and combined in accordance with ASCE 7-05. Applying the load cases to the entire building system is essential in the design of this type of building. Loading a single frame of the building is not an accurate depiction of the actual conditions that a building would be under in its intended environment.

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