2022 Details | City of Bellevue

2022 Sewer Engineering Standards

Individual Details

S – 1 STANDARD MANHOLE

S – 1a STANDARD STRUCTURE BACKFILL

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 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 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 (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 AND UNCOVERED GARBAGE DUMPSTER AREA DRAINAGE

S – 33 CASING INSTALLATION

S – 34 SINGLE HOME SEWER PUMP SYSTEM

S – 35 PROJECT SIGN

S – 36 TAPPING TEES FOR LAKELINE SEWER CONNECTION

S – 37 LAKELINE LATERAL EXTENSION