Section_III_-_Sewer_Details.pdf

SECTION III

SEWER

DETAILS

SEPTEMBER 2021

Page S-1

Table of Contents WSSC STANDARD DETAILS

SECTION III - SEWER DETAILS

TABLE OF CONTENTS

TITLE NUMBER

48-inch Diameter Precast Concrete Manhole S/1.0

60-inch Diameter Precast Concrete Manhole S/1.1

72-inch, 84-inch and 96-inch Diameter Precast Concrete Manhole S/1.2

Precast Top Slab for 48-inch and 60-inch Diameter Precast Concrete Manholes S/1.3

Precast Concrete manhole with Fall Prevention System S/1.4

Precast Concrete Manhole Built Over Existing Sewer - Type II S/2.1

Precast Manhole Built On Existing PVC or DI Pipe S/2.2

Pipe to Existing Brick Manhole Connection For Using DIP, RCP or S/3.0 AWWA C900/905 PVC Only

Bentonite Application for Grouted Pipe to Manhole Connection S/3.01

Pipe to Manhole Connection for Deep Manhole S/3.02

Pipe to Manhole Connection for 12-inch and Smaller Pipes on Steep Grades S/3.03

Drop Manhole Type "A" Drop for Pipes 12-inch and Smaller S/3.1

Drop Manhole Type "B" Drop for Pipes 12-inch and Smaller S/3.1a

Inside Drop Connection for Precast Concrete Manholes S/3/1b

Inside Drop Connection for Precast Concrete Manholes (Fiberglass Drop Bowl) S/3.1c

Shallow Manhole Precast Concrete S/3.2

Plan of Typical Channelization of Mainline Sewer Manholes S/3.3

Manhole steps in Channels for Sewer 36-Inch and Larger S/3.4

Abandonment of Pipe at Manhole S/3.5

Manhole and Sewer Abandonment S/3.6

Page S-2

15-inch and Larger Sewer Pipe to Manhole Connection S/3.7

Adjusting Rings for 22-inch Opening Watertight Manhole Frame and Cover S/4.0

Adjusting Rings for 22-inch Opening Old Type Standard Manhole Frame and Cover S/4.1

Final Setting Anchoring 24-inch Watertight Frame and Cover to Manhole Wall S/4.2

Interim Setting Anchoring 24-inch Watertight Frame and Cover to Manhole Cone S/4.2a

24-inch Precast Concrete Manhole Transition Ring S/4.21

24-inch Precast Concrete Manhole Sloped Transition Ring S/4.22

Anchoring 30-inch and 36-inch Manhole Frame and Cover to Manhole Wall S/4.3

Standard Cleanout Installation for 4-inch and 6-inch Sewer House Connections S/5.0

Trenchless Cleanout System for Installation on Existing 4-inch and 6-inch Sewer S/5.0a House Connections

Cleanout Cover Assembly for 4-inch Cleanouts S/5.1

Cleanout (Lamphole) Cover Assembly for 6-inch Cleanouts S/5.2

4-inch and 6-inch Drop House Connections to Sewer Main S/6.0

4-inch and 6-inch Drop House Connections to Manhole S/6.1

4-inch and 6-inch Sewer House Connections S/6.2

4-inch and 6-inch PVC House Connections and Fittings S/6.3

4-inch and 6-inch DIP or PVC AWWA C900 House Connections and Fittings S/6.3a

4-Inch Radial Multiple Sewer House Connections Installation and Channelization S/6.4

Parallel Multiple 4-Inch Sewer House Connection Installation S/6.5

Transition Manhole Force Main to Gravity Sewer S/6.6

4-inch and 6-inch Sewer House Connection Within WSSC Right of Way S/6.7

4-inch and 6-inch Sewer House Connections Terminating at the Property Line S/6.8

Backwater Valve Assembly for 4-Inch Existing Sewer House Connections S/6.9

Backwater Valve (Lamphole) Cover Assembly S/6.9a

Page S-3

Replacement of Existing Backwater Valve Assembly in Existing Brick Manhole S/6.9b

Method of Repairing Cracked Concrete or Vitrified Clay Sewer Pipe S/7.2

Method of Repairing Cracked Concrete or Vitrified Clay Sewer Pipe S/7.2a

Load Schedule for R.C. Pipes S/8.0

Polyvinyl Chloride (PVC) Gravity Sewer Pipe Load Chart S/8.1