Model CAA 

Cover Assembly, Aluminum, Single or Double Door, Pedestrian

These hatch assemblies are constructed of aluminum and available with double door access. Assemblies are available as adjustable torsion, drop-in style covers (AT), or cast-in torsion (CT). We use an aluminum frame and top plate, with either a diamond plate or TraxPlate™ slip-resistant surface. These covers are engineered and constructed for pedestrian loading.

Features & Options

Top Plate Options

DP: Diamond Plate
SR: Slip Resistant (TraxPlate)


“Z” Frame, 3″ Above Vault, 6″ OA


1″ Dia. Pin 90 / 180 Degree

Latch Options

5B: Penta Head Bolt Down
5C: Penta Head Cam Style
6B: Hex Head Bolt Down
6C: Hex Head Cam Style

Lift Assistance

Torsion Rod

Finish Options

G: Galvanized
P: Painted
R: Raw

Surface Roughness

Fine: The fine texture approximates that of 80 to 100 grit sandpaper, with an average particle size of approximately .010″ to .015.”
Medium: Medium roughness approximates that of 36 grit sandpaper, with an average particle size of approximately.020″ to .030″.
Coarse: Coarse roughness results in an average particle size from .030″ to .040″. 

Hardware Options

Z: Zinc Plated Steel
S: Stainless Steel

Aluminum Pedestrian Hatches - Standard Sizes Chart
Aluminum Torsion Assist Utility Cover
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