Cant get passed the broken valve. help pls

[Yukm0uth]

How the hell do I fix the broken valve so that my boat can get through the gates?

 

[Revisedsoul]

you have to shoot at something

 

[GorgeousOrifice]

As you stand in front of the broken valve, look to your right.

 

[BuBu]

blow up the explosive barrel to the right of the valve.