TDS
ADS, Inc. Drainage Handbook Specifications 1-25
© ADS, Inc., August 2023
ADS 3000 TRIPLEWALL
®
PIPE SPECIFICATION
Scope
This specification describes 4-inch (100 mm) ADS 3000 TripleWall pipe for use in gravity-flow drainage
and leach field applications.
Pipe Requirements
ADS 3000 TripleWall pipe shall have a smooth interior and exterior.
• 4-inch (100 mm) pipe shall meet the requirements of ASTM F810.
• Manning's "n" value for use in design shall not be less than 0.009.
Joint Performance
Pipe joints shall be bell-and-spigot. Bell ends shall be integrally formed on the pipe at one end to form a
soil-tight connection.
Material Properties
Pipe material shall be high-density polyethylene conforming with the minimum requirements of cell
classifications 424410C or E as defined and described in the latest version of ASTM D3350. The material
formulation shall include recycled polyethylene.
Installation
For gravity-flow drainage applications, installation shall be in accordance with ASTM D2321 and ADS
recommended installation guidelines with the exception that minimum cover in traffic areas shall be one
foot (0.3 m). For leachfield applications, installation shall be in accordance with ASTM F481 and as
regulated by regional, state, and local agencies. Proper authorization for specific applications and
designs should be obtained prior to installation to ensure suitability in certain locales. Contact your local
ADS representative or visit our website at www.adspipe.com for a copy of the installation guidelines.
Perforation Options*
Nominal Pipe I.D.
in (mm)
4
(100)
Average Pipe I.D.
in (mm)
3.875
(98.5)
Average Pipe O.D.
in (mm)
4.215
(107)
*Only available in a limited area. Check with your
sales representative for availability.
**Perforation sizes are based on customer
requirements and availability by region.
**All diameters available with or without perforations
White Skin
Black Core
O.D.
I.D.
Bell End
Spigot