Fiberglass Manholes
TRACOM is the nation’s top provider for easy to install fiberglass manholes. These products are ideal for quick, simple, below surface flow and grinder applications. Our fiberglass manholes are manufactured to ANSI/ASTM D-3753-81 specifications, ensuring the highest level of quality available.
Each of our prefabricated manholes provide ease of installation, corrosion resistance, watertight construction, and a minimum of downtime during installation. TRACOM offers six main types of fiberglass manholes including:
Package Metering Manholes
Open Channel Flow measurement deep underground made simple. Water-tight and drop-in-place.
Manhole Top Styles
Dome Top
- Full diameter access
- Stainless steel lockable hasp
- Stainless steel piano hinge
- Locking lift arm
- Available in 4′, 5′, and 6′ diameters
- Intended for non-traffic / non-pedestrian applications
Aluminum Hatch
- Water tight or non-water tight
- Steel and aluminum construction available
- Available with custom engraving, spring assists, and multiple lock configurations
- Available in 4′, 5′, and 6′ diameters
- Intended for pedestrian loading or low profile applications
H-20 Highway Traffic Loading
- 22 ½” and 31 ¾” openings
- Stainless steel pull-up ladder assist
- Conforms to AASHO H-20 Axial Loading
- Available in 4′, 5′, and 6′ diameters
- Intended for road, highway, or parking lot
Prefabricated Manholes: An Integrated Solution
Easily integratable with a choice of flumes and available with several cover options, fiberglass manholes also have other advantages:
- Integral flume for flow measurement. Simply choose the flume that best fits your flow rates and flow stream composition
- Choice of cover styles
- Pipe adapters
- Fiberglass access ladder with stainless steel reinforced, photoluminescent rungs
- NPT coupling for wiring and tubing access
- Integral Floor and base mounting flange
- Instrument mounting plates and shelves
- Motorized and non-motorized vents
- Interior Lighting
- GFCI electrical outlets
- Intermediate platforms
- Additional utility taps
