We have plenty of standard casing size and thickness requirements for bore and jack, but we are installing some steel casing for gravity sewer under creeks, etc. via open cut. The install will be pretty shallow from a few feet of cover to the crown exposed. My question is, what casing thickness...
Has anyone had a problem with Fairbanks' (I guess they are Pentair now) Turbo-Free pump suction elbow? I'm having trouble with some pump noise (possible cavitation) and i'm looking any and everything.
Thanks.
I have a sump pump pit with pumps to pump water from a bldg. off the site. I also have a 10" gravity drain from the pit to a stormwater basin. The pumps run only when the gravity pipe can't get rid of all the water coming in the pit. The problem now is that we've actually seen water flowing...
How would a contractor CIPP a sewer line in a hard to access easement? I've seen CIPP work on the street a lot, but we have some easement areas that are rough. I can't believe the contractor could get 1 truck much less several larger trucks down our easement. Is there CIPP equipment available...
What is a good time frame for completing CIPP work? How much can a CIPP contractor complete in a day's time? Does it depend on the services more than anything? My assumption is a contractor could reline 500 feet or so in a day including replacing about 10 services from cleanout to new...
Thanks bimr.
Interesting thread link you posted. One thing, the well water never breaks pressure before hitting the sediment filter so aeration is not an option (at least not for this owner).
Any theoretical ? mg/l of chlorine to oxidize 1 mg/l of Fe?
Anyone have a rule of thumb on how much chlorine is required to oxidize iron in ground water? The iron is all in the ferrous state when leaving the well. I'm looking for something like this: 2 ppm Cl2 for every 1 ppm of iron, or something similar. Not sure if there is a rule of thumb for...
Is there a limit to the amount of brine backwash from an IX filter that can be put in a small WWTP? The filter backwash has high chlorides, TSS, TDS, etc. The WWTP is small and treats about 4,000 gpd. I could dose the backwash water into the WWTP, but at what concenctration levels will the...
I will be using CIPP to line VCP pipe. A lot of the services are bad and I need a way to connect ex. services to the CIPP (can't just cut our the CIPP to reinstate the service). I found Inserta Tee, which looks like what I need. Does anyone have experience with Inserta Tee or something...
jgailla,
We're installing new pipe close to the curb and I don't want to give the contractor an idea that he can just tear up the curb and replace by having a high quantitiy estimate.
installation is open cut at about 3' to 4' deep with services all along the way. It's in an established...
How close can a contractor generally install a 6" DIP beside curb and gutter without tearing up the curb and gutter. I would think a contractor could dig within a foot (or less) of the curb and gutter and not disturb it.
thanks
I think this is easy I just can't find the right button.
I've connected (not imported) a s topo shape file with elevation attributes. When I use the Style Editor to display the elevations of the contours, I get this: "12.0000000" instead of "12". I can't find anywhere to change the precision...
Is there a way to save WaterCAD V8 XM back to an earlier version such as version 7?
Should Version 7 have any trouble opening a file created or saved in V8 XM?
