![](https://static.wixstatic.com/media/74dbed_871bbee581db47f1ab87c3c4c60a3835~mv2.jpg/v1/fill/w_288,h_216,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/74dbed_871bbee581db47f1ab87c3c4c60a3835~mv2.jpg)
![2. underpass foundations.jpg](https://static.wixstatic.com/media/74dbed_5ba9d73ea4894dee9846f84c0416cf59~mv2.jpg/v1/fill/w_204,h_150,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/2_%20underpass%20foundations.jpg)
![2. placing material for base of uncerpas](https://static.wixstatic.com/media/74dbed_2c99b0c2ed5e4794b4002b48c30f31b5~mv2.jpg/v1/fill/w_225,h_150,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/2_%20placing%20material%20for%20base%20of%20uncerpas.jpg)
![0. road diversion.jpg](https://static.wixstatic.com/media/74dbed_483a707344c54af1b77248808794b0e9~mv2.jpg/v1/fill/w_440,h_330,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/0_%20road%20diversion.jpg)
![2. worksite of underpass.jpg](https://static.wixstatic.com/media/74dbed_09ff7f988c2444399532c997251320fc~mv2.jpg/v1/fill/w_205,h_150,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/2_%20worksite%20of%20underpass.jpg)
![4. placement of concrete panels.jpg](https://static.wixstatic.com/media/74dbed_a61c7beb6d3743baa44a78d0add086d3~mv2.jpg/v1/fill/w_223,h_150,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/4_%20placement%20of%20concrete%20panels.jpg)
![compacting material.jpg](https://static.wixstatic.com/media/74dbed_bbb4040efd10452a85306f229bb7c466~mv2.jpg/v1/fill/w_440,h_330,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/compacting%20material.jpg)
Stock Underpass
Location: Cromwell-Luggate Highway
Contrax (Central) Ltd was the principal earthworks contractor on the Tinwald Underpass project.
Involvement:
-Constructed and maintained a new two lane diversion road around the main worksite on state highway 6.
-Setup underpass work area including survey set out,safety fencing creating safe work zones.
-Excavate trench for underpass to correct depth, work around (protection of underground Chorus cables),and compact foundation.
-Place compact and test backfill,
-Install soak pits and dewater concrete sump for dewatering pump,
-Form new road subgrade road shoulders and seal,
-Excavate access ramps, reinstate new boundary fences.
We worked closely with subcontractor’s onsite to ensure safety when approaching different tasks of the project.