Standard Road Plans - SW Series Sanitary and Storm Sewer English PDF Trench and Backfill SW-101 Trench Bedding and Backfill Zones SW-102 Rigid Gravity Pipe Trench Bedding SW-103 Flexible Gravity Pipe Trench Bedding SW-104 Pressure Pipe Trench Bedding SW-105 Miscellaneous Pipe Bedding General Sewer SW-201 Sanitary Sewer Service Stub SW-202 Sewage Air Release Valve Pit SW-203 Sanitary Sewer Cleanout SW-211 Special Pipe Connections for Storm Sewer Sanitary Sewer Manholes SW-301 Circular Sanitary Sewer Manhole SW-302 Rectangular Sanitary Sewer Manhole SW-303 Sanitary Sewer Manhole Over Existing Sewer SW-304 Rectangular Base/Circular Top Sanitary Sewer Manhole SW-305 Tee-Section Sanitary Sewer Manhole SW-306 Chimney Seals for Sanitary Sewer Manholes SW-307 Drop Connection for Sanitary Sewer Manhole SW-308 Internal Drop Connection for Sanitary Sewer Manhole SW-350 Travel Trailer Dump Station Storm Sewer Manholes SW-401 Circular Storm Sewer Manhole SW-402 Rectangular Storm Sewer Manhole SW-403 Deep Well Rectangular Storm Sewer Manhole SW-404 Rectangular Base/Circular Top Storm Sewer Manhole SW-405 Tee-Section Storm Sewer Manhole SW-406 Shallow Rectangular Storm Sewer Manhole Storm Sewer Intakes SW-501 Single Grate Intake SW-502 Circular Single Grate Intake SW-503 Single Grate Intake with Manhole SW-504 Single Grate Intake with Flush-Top Manhole SW-505 Double Grate Intake SW-506 Double Grate Intake with Manhole SW-507 Single Open-Throat Intake, Small Box SW-508 Single Open-Throat Intake, Large Box SW-509 Double Open-Throat Curb Intake, Small Box SW-510 Double Open-Throat Curb Intake, Large Box SW-511 Rectangular Area Intake SW-512 Circular Area Intake SW-513 Open-Sided Area Intake SW-514 Boxouts for Grate Intakes SW-515 Triple Rectangular Area Intake SW-521 Linear Trench Drain SW-538 Intake for Bridge End Drain SW-539 Intake for Bridge End Drain (With Letdown) SW-541 Open-Throat Curb Intake Under Pavement SW-542 Extension Unit for Open-Throat Curb Intake Under Pavement SW-545 Single Open-Throat Curb Intake with Extended Opening SW-546 Single Open-Throat Barrier Intake SW-547 Triple-Grate Barrier Intake SW-548 Single-Grate Barrier Intake, Circular SW-549 Single-Grate Barrier Intake, Rectangular SW-550 Alternate Construction Method (SW-508 and SW-510 Intake) SW-562 Vertical Throat Area Intake SW-563 Vertical Throat Area Intake (Large Box) Castings SW-601 Castings for Sanitary Sewer Manholes SW-602 Castings for Storm Sewer Manholes SW-603 Castings for Grate Intakes SW-604 Castings for Area Intakes