2016 Sewer Engineering Standard Details | City of Bellevue

Sewer Spill Alert

A blockage incident occurred on Saturday resulting in approximately 9,000 gallons of sewage entering the north end of Meydenbauer Bay in the 700 block of Overlake Drive E, Medina. Crews have cleared the blockage. We are asking people and pets to stay out of the water within 50 feet of the shore until Thursday, Nov. 7. Get more information.

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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