Trenches – Water Resistant – Aluminum





TYPE EXTC Waterproof Trench Cover

Light Duty - Designed for pedestrian traffic.

Heavy Duty - Designed for auto-truck and small fork-lift with pneumatic tires.

Extra-Heavy Duty - Designed for truck traffic and aircraft.

Covers/Frames 6061 -T6 Heat Treated Aluminum

McKinley can furnish deflection test for different cover sizes. Deflection is dependent on foot-pad loading, the width of the trench and depth of the cover. All frames and splice conditions have compression gaskets. Gasket materials are dependent on exposure. EXTC is furnished WITH or WITHOUT Form Pans. Trench assemblies with Tees, Ells, Crosses, and Miters are prefabricated.

TYPE

D

B

F

H

LIGHT
DUTY
EXTC-A

.250

1.000

1.312

1.500

.375

1.000

1.312

1.500

.500

1.000

1.312

1.750
 

EXTC-B

.500

1.250

1.625

1.750
 

HEAVY
DUTY
EXTC-C

.750

1.500

3.000

2.000

1.000

1.500

3.000

2.000

1.250

1.500

3.125

2.500

1.500

1.500

3.125

2.750
 

EXTRA
HEAVY
DUTY

2.000

2.000

4.125

3.500

2.500

2.500

5.000

4.000

3.000

3.000

6.000

4.750

3.500

3.500

6.500

5.750

4.000

4.000

7.500

6.500

 

 

 

 
Dimensions in inches, for mm, multiply by 25.4