Description

The CULTEC Contractor® 100R (Standard Duty) and 100RHD (Heavy Duty) are low-profile, open-bottomed plastic chambers used for subsurface stormwater management and septic leachfield systems. They are specifically designed for sites with depth restrictions or where a larger infiltrative area is required.

Key Specifications

Dimensions: 12.5 inches (318 mm) tall, 36 inches (914 mm) wide, and 8 feet (2.44 m) long.
Storage Capacity:
- Chamber only: 1.87–1.96 (approximately 14–14.5 per unit).
- With stone (Min. installed): Approximately 28.81 per unit.
Installed Length: The effective length when joined is 7.4 to 7.5 feet (2.26–2.29 m).
Design Difference: The “R” designation (e.g., 100RHD) typically indicates a Starter/Stand-Alone Unit with two fully formed integral end walls, whereas the “E” model (100EHD) is a Middle/End unit used to continue a row.