Fibrelite Composite Manhole and Trench Covers

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Standard Duty US H20 Trench Covers

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For loads of up to 40,000 lbs / 18 tonnes.

For use in traffic service areas as per AASHTO standard.

Trench Widths up to 1m (40”) – End to End Configuration

Dimension ’A’Dimension ’B’DepthWeight
300 - 800mm (12" - 32")450 - 1800mm (18" - 72")76mm (3")44 kg/M² (9 lbs/ft²)
300 - 1000mm (12" - 40")450 - 1800mm (18" - 72")101.6mm (4")40 kg/M² (18 lbs/ft²)
300 - 1000mm (12" - 40")450 - 1800mm (18" - 72")117mm (4 5⁄8")44 kg/M² (9 lbs/ft²)
300 - 1000mm (12" - 40")450 - 900mm (18" - 36")203.2mm (8")61 kg/M² (12 lbs/ft²)
300 - 800mm (12" - 32")450 - 1200mm (18" - 48")203.2mm (8")61 kg/M² (12 lbs/ft²)
300 - 600mm (12" - 24")450 - 1600mm (18" - 64")203.2mm (8")61 kg/M² (12 lbs/ft²)

Frame or Rebate Installation:

Trench Widths over 1m up to 1.6m (40”-64”) – Side by Side Configuration

Dimension ’A’Dimension ’B’DepthWeight
1000 - 1200mm (40" - 48")450 - 900mm (18" - 36")101.6mm (4")55 kg/M² (11 lbs/ft²)
1000 - 1400mm (40" - 56")450 - 1000mm (18" - 40")117mm (4 5⁄8")52 kg/M² (11 lbs/ft²)
1400 - 1600mm (56" - 64")700 - 1000mm (28" - 40")117mm (4 5⁄8")52 kg/M² (11 lbs/ft²)
1000 - 1200mm (40" - 48")450 - 600mm (18" - 24")203.2mm (8")61 kg/M² (12 lbs/ft²)
1200 - 1600mm (48" - 64")450 - 800mm (18" - 32")203.2mm (8")61 kg/M² (12 lbs/ft²)

Frame or Rebate Installation:

Trench Widths over 1.6m (64”) – Grid, Side by Side Configuration

Dimension ’A’Dimension ’B’DepthWeight
1000 - 1200mm (40" - 48")450 - 900mm (18" - 36")101.6mm (4")55 kg/M² (11 lbs/ft²)
1000 - 1400mm (40" - 56")450 - 1000mm (18" - 40")117mm (4 5⁄8")52 kg/M² (11 lbs/ft²)
1400 - 1600mm (56" - 64")700 - 1000mm (28" - 40")117mm (4 5⁄8")52 kg/M² (11 lbs/ft²)
1000 - 1200mm (40" - 48")450 - 600mm (18" - 24")203.2mm (8")61 kg/M² (12 lbs/ft²)
1200 - 1600mm (48" - 64")450 - 800mm (18" - 32")203.2mm (8")61 kg/M² (12 lbs/ft²)

Frame or Rebate Installation – utilises center support beam:

Looking For Something Else?

Simply provide us with measurements of your trenching system and the load rating you require