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City of Bellevue, WA Utilities
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  5. Utilities Projects, Plans and Standards
  6. Utilities Codes and Standards
  7. Sewer Engineering Standards
  8. 2016 Sewer Engineering Standard Details

    Sewer Engineering Standards

    • 2023 Details
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    2016 Sewer Engineering Standard Details

    Header Image
    Project Banner 6-20-17.jpg

    2016 Sewer Engineering Standards (PDF)

    Summary of 2016 Changes to Sewer Engineering Standard

    Detail Drawings

    • S-1: Standard Manhole
    • S-2: Type 2 Manhole 72" and 96"
    • S-3: Type 3 Manhole 72" and 96"
    • S-4: Outside Drop Structure (Only where approved by the City)
    • S-5: Inside Drop Structure
    • S-6: Manhole Under 5 Feet Deep
    • S-7: New Manhole on Existing Sewer
    • S-8: Manhole Grade Adjustment
    • S-9: Manhole Section Adjustment
    • S-10: Manhole Cone Adjustment (Concentric to Eccentric)
    • S-11: 24" Manhole Ring and Cover
    • S-12: 24" Bolt-Locking Manhole Ring and Cover
    • S-13: Safety Step and Prefabricated Ladder
    • S-14: Typical Trench Detail
    • S-15: Pipe Bedding
    • S-16: Cleanout to Grade
    • S-17: Side Sewer Stub
    • S-18: House Sewer Connection
    • S-19: Soil Cement Pipe Anchors
    • S-20: Pipe Stake Anchor Assembly
    • S-21: Side Sewer Relocation
    • S-22: Timber Baffle/Hill Holder
    • S-23: Lake Line Cleanout and Check Valve Assembly Installation
    • S-24: Lake Line Cleanout and Check Valve Assembly Installation At or Below Hydraulic Gradient
    • S-25: Cleanout to Grade for Lake Line Connection
    • S-26: Check Valve Assembly for Joint Use Side Sewer 4" to 8" Diameter
    • S-27: Sampling Tee
    • S-28: 100 Gallon Baffle Type Oil/Water Separator
    • S-29: 450-900 Gallon Baffle Type Oil/Water Separator
    • S-30: 1100-5000 Gallon Baffle Type Oil/Water Separator
    • S-31: Grease Interceptor
    • S-32: Uncovered Paved Vehicle Service Area Drainage
    • S-33: Casing Installation
    • S-34: Single Home Sewer Pump System
    • S-35: Project Sign
    • S-36: Tapping Tee for Lakeline Sewer Connection
    • S-37: Lakeline Stub Extension

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    • 450 110th Avenue NE
    • Bellevue, WA 98004
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