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Manholes and Catch Basins
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Diameters Include:
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Four-foot through twelve-foot diameter manholes available
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Base Designs Available:
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· Standard Base
· Extended Base · Drop Over Base (doghouse) · Sump |
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Manhole Tops Available:
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· Standard Flat Tops (with 24" and 30" round or square openings, on or off center)
· Cone Tops (three-foot in height with 24" and 30" openings and four-foot in height with 24" openings) · Specialty Tops (available per specifications and made to order) |
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Specifications:
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· Manufactured to meet 4,000 psi concrete (or greater based on the job specifications)
· Meets ASTM C478 Standard Specifications · Standard manholes and catch basins designed and manufactured to meet HS25-44 load specification (We can also manufacture manholes to meet Cooper E-80 loading for railroads and airport loading for 727 Aircraft) |
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Accessories Available as per Job Specifications:
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· Polypropylene Steps
· Butyl rubber joints between manhole sections · Flexible Sleeves, A-Lok Connections and Z-Lok Connections for pipe connections · Asphalt Coating on outside of manhole sections · Access hatches to allow entry into wet wells or pump stations · Access ladders to allow entry into wet wells or pump stations |
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Drawing Submittals Available:
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· Clock drawings
· Shop drawings · Accessory specifications sheets · Design Calculations (when required) · Buoyancy Calculations (when required) |
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Sample Drawings
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