I am trying to find the minimum slope (gradient) for a rising main (sewage). I presume that slope "up" or "down" is irrelevant as I am worried about both the location of air valves and scour (washout) valves.
While I'm at it, any maximum gradient?
Also, are scour valves required at all low...
I am designing a manhole with a depth of 8m. Is there any special considerations I should be aware of?
does it have to be a huge chamber (& what is a rest chamber)?
Thanks All,
The info. supplied will certainly help me out a lot (and give me more confidence at the end of the day).
Anbesaw: WIll try to get my hands on the Doc. you have recommended. Thanks.
CTSeng: A bit like yourself, I found myself getting tired of office work (5yrs) in an Environmental...
THere can be two or more outlets. Usually either if a system works in a circuitous way, the additional pipe may be off loading flow to less strained pipes, or (more usual) if a storm overflow pipe is in operation. This works whereby if the flow builds up in the pipe, it is discharged directly to...
SparWeb,
I'm not sure I follow your question but in the past I have used excel data to draw stuff in Autocad. Generally, it's copying commands and lengths, angles, etc. of lines (from excel) and pasting them into the script box of Acad.
I have created long-sections of pipes for example purely...
Thanks for the replies.
Isntbard:Thanks for the cautionary note. The ground is generally clay and sand! Not Ideal. Wouldn't masonry arches be quite difficult to construct? Even rock is difficult to come by, and I wouldn't be quite sure of driving some of our ten ton trucks over it.
I was...
I'm a civil (mainly Environmental Office Work) engineer who has just found myself in Africa building small bridges. What's around are bricks and cement, and the odd steel beams.
Having never partaken in this type of work before, I would welcome any tips or comments.
I intend to build masnry...
