A rail system for mounting a tarp enclosure to a platform, comprising a rail body having a channel and a bumper beneath thereof, and a carriage displaceable along the channel and attachable to the tarp enclosure so as to position the tarp enclosure over the rail body. A tubing system for the tarp enclosure, comprising a first member having four first tracks sized to slidably receive a cordon of the tarp enclosure, a second member having four second tracks sized to slidably receive the cordon, a tubing connector having four connector tracks sized to slidably receive the cordon. There is also provided a method for assembling a tubing assembly, comprising joining the first and second members to the tubing connector such that any one of the first tracks is in communication with a one of the second tracks via a one of the connector tracks.