pipe trench in gypsum
pipe trench in gypsum
(OP)
We currently working on a land development project were the trench for the sanitary and storm will be located in gypsum.
What precautions should be taken to avoid undermining of the pipe? during construction and after.
thanks
cory
What precautions should be taken to avoid undermining of the pipe? during construction and after.
thanks
cory





RE: pipe trench in gypsum
After the trench is backfilled, if at all possible, construct 150mm to 200 mm chevrons across the right-of-way to remove any rainwater from the RoW as quickly as possible in order to avoid any possibility of it saturating the backfill in the trench. If chevrons are not practical, consider other methods of runoff diversion, such as construction of small channels at regular intervals, water overshoots when ravines cross perpendicular to the RoW, construction of timber water breaks entering the RoW, etc. When in doubt about what to do, go look at the nearest railroad to see how they've been handling it for the last 100 years. Lots of experience to be had for only the price of observation there.
http://virtualpipeline.spaces.msn.com
RE: pipe trench in gypsum
good luck
RE: pipe trench in gypsum