2024 Sewer Engineering Standards Details | City of Bellevue

2024 Sewer Engineering Standards

Individual Details

S-1: Standard Manhole

S-1A: Standard Structure Backfill

S-2: Type 2 Manhole, 72in and 96in

S-3: Type 3 Manhole, 72in and 96in

S-4: Outside Drop Structure

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: 24in Manhole Ring and Cover

S-12: 24in Bolt-Locking Manhole Ring and Cover

S-13: Safety Step and Prefabricated Ladder

S-14: Typical Trench Detail

S-15: Pipe Zone Bedding

S-16: Cleanout to Grade

S-17: Side Sewer Lateral

S-17A: Side Sewer Lateral on a New PVC Main

S-17B: New PVC Side Sewer Lateral on Existing PVC Main

S-17C: New PVC Side Sewer Lateral on Existing Non-PVC Main

S-18: House Sewer Connection

S-19: Soil Cement Pipe Anchors

S-20: Pipe Stake Anchor Assembly

S-21: Side Sewer Lateral 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 (4in to 8in 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 Tees for Lake Line Sewer Connection

S-37: Lake Line Lateral Extension