Square Storm Structures

Depending upon the installation site situation of stormwater management systems, there are sometimes requirements for precast concrete bases, slabs, and risers. TurnerCo. maintains a supply of standard square sizes for situations that may arise on the job site or specified in advance.

SIZE DESCRIPTION
3-foot x 3-foot x 3.5-foot Base (36-inch knockout)
3-foot x 3-foot Risers (Vertical Feet)
3-foor x 3-foot x 6-inch Slab Top
3-foot x 3-foot x 6-inch Slab Top with 38-inch x3 8-inch Frame and Grate (Cast Iron)
3-foot x 3-foot Wye Top (Expansion Joint 18"-inch Locking Ring and Cover)
41-inch x 41-inch Galvanized Grate
4-foot x 4-foot x 4.5-foot BASE (48-inch knockout)
4-foot x 4-foot Risers (Vertical Feet)
4-foot x 4-foot x 6-inch Slab Top
4-foot x 4-foot x 6-inch Slab Top with 50-inch x 50-inch Frame and Grate (Cast Iron)
4-foot x 4-foot Wye Top (Expansion Joint 18"-inch Locking Ring and Cover)
53-inch x 53-inch Galvanized Grate
5-foot x 5-foot x 5.5-foot BASE (58-inch knockout)
5-foot x 5-foot Risers (Vertical Feet)
5-foot x 5-foot x 8-inch Slab Top
5-foot x 5-foot x 8-inch Slab Top with 50-inch x 50-inch Frame and Grate (Cast Iron)
5-foot x 5-foot Wye Top (Expansion Joint 18-inch Locking Ring and Cover)
65-inch x 65-inch Galvanized Grate
6-foot x 6-foot x 6-foot BASE (68-inch knockout)
6-foot x 6-foot Risers (Vertical Feet)
6-foot x 6-foot x 8-inch Slab Top
6-foot x 6-foot x 8-inch Slab Top with 50-inch x 50-inch Frame and Grate (Cast Iron)
6-foot x 6-foot Wye Top (Expansion Joint 18-inch Locking Ring and Cover)

Contact Us