Underpass and Tunnel Details |
Underpasses
Cretex underpasses may be used to provide a safe walkway
for pedestrians or
stock under roadways.
Economical
Durable
Easy to install
Speeds up construction... Engineers and contractors prefer underpasses
because
the work can be completed without a delay.
Easy to extend in length or to move to a new location...When it becomes
necassary to
lengthen a Cretex sectional concrete underpass
simply remove the end section and
replace it after the necessary intermediate
sections have been added. Should it be
necessary to move this underpass to a new
location, it can be 100% salvaged.
Service Tunnels
Cretex service tunnels may be used to house the installation of
pipelines, electrical
conduits, and material conveyors.
Anchors and fasteners are factory installed for your particular
requirements.
Accessible for easy inspection or addition of other services.
Sizes are available for any installation.
84" flat bottom section can be
manufactured with an O-ring gasket joint,
or it may be sealed with flexible joint
compound.
Fast and easily installed.
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| Underpass and tunnel sections are manufactured with a tongue and groove joint to strengths specified in applicable portions of ASTM Specification C76. Flexible compounds may be used for joint sealant. | ||
| STRUCTURE | DESIGN | INSIDE WIDTH | INSIDE HEIGHT | LAYING LENGTH | WT./FT. | WALL | BASE |
|---|---|---|---|---|---|---|---|
| LBS. | INCHES | INCHES | |||||
| 4'x5' Section | A | 4'-0" | 5'-0" | 6'-0" | 1140 | 5 | 5 |
| 4'x6' Section | A | 4'-0" | 6'-0" | 6'-0" | 1270 | 5 | 5 |
| 4'x6' Section | A | 4'-0" | 6'-0" | 6'-0" | 1520 | 6 | 6 |
| 5'x7' Section | B | 5'-0" | 7'-0" | 6'-0" | 1970 | 6 | 7 1/2 |
| 91"x91" Section | B | 7'-7" | 7'-7" | 6'-0" | 3300 | 8 1/2 | 10 |
| 84" Section | C | 7'-0" | 6'-9" | 6'-0" | 2530 | 8 | 11 |
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