Sanitary Structures
Sanitary sewers are used for the conveyance of sanitary sewerage intersections and clean-out points. Design Precast & Pipe, Inc. offers a full line of sanitary sewer components ranging from small diameter manholes to large diameter round and square lift stations.​
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We also offer precast concrete inverts or flow channels to eliminate the need to precast these in the field.
Sewer Manholes
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No lifting holes in any sanitary sewer structure
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Any size round manholes up to 120" diameter
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Single offset gasket joint or Butyl Mastic joints
Specifications:​
ASTM C-478 - Standard specification for Precast Reinforced Concrete Box Sections for Culverts, Storm Drains, and Sewers​
AASHTOM M-199 - Standard specification for Precast Reinforced Concrete Manhole Sections
ACI Standard 318 - Building Code Requirements for Structural Concrete
Wet Wells
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Many different types—can meet each state/local requirement
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Square and round available
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Allows ability to set well in one day
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Reduces having scaffolding and forms to pour in field
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Reduces the amount of sheet piles and excavations necessary
Inverts
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New equipment provides DPPI the ability to pour a perfectly formed invert/flow channel at the plant
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Reduces time spent in field
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Structure ships complete with invert and boots—all the contractor does is set it in place!
Protection Options
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Coating with specified material
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Waterproofing admixtures
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Anti-microbial admixtures
