This is probably the most common question on this forum..but here it goes again.
Does anyone know of a CAD template for standard turning radii? Searched high and low on Google...
Thanks!
Hello -
I am way out of my engineering area, but I am in the unlikely position of looking at a peak load estimate for an approx. 280,000 sf lab building.
I am going to work with an EE to look at the specifics, but I was wondering if anyone knew of a reference for estimating peak loads for...
We have a plan to excavate to a depth of about 7' below grade for building foundations. The excavations are 45'-70' wide and about 10' from a roadway. They are from 70'-200' long (one of the sites will be a multi-family complex). The buildings are slab-on-grade and the deep excavations are...
I work for a 501c3 non-profit company. The focus of the entity is not engineering but I find myself in a position where I need to sign and seal drawings that will be submitted for permit and eventually bid.
I have informed the upper management that we need E&O insurance. Is there anything...
I have used HP plotters for years but I see that Canon is coming with a new 36" plotter. I am going to use if for mostly civil/architectural applications and occasionally presentations.
Anyone have any experience with this machine?
We have an open excavation (50' x 25') that needs to be backfilled. It has filled up with rain water so the soil is generally saturated. We can pump out most of the water but is there a concern for for the satuarated soil? Eventually there will be a structure in the area but we don't...
We have a site where some sewage backed up into an excavation (demolished buildng excavation).
The sewage was there for a few weeks before the sanitary line was repaired. It is not uncommon to have sewage in an excavation for utility work and I assume tha the trench is just backfilled...
OK,here is another scenario that I'm sure everyone has run into. You design a storm drain and have your flow rates and set the line and grade. The contractor sets the drain too shallow and says "gee wiz can't we live with this." You are in the position of forcing him to go back and reset it...
We have a depth gauge in a large storm drain and are monitoring the depths of flows to see how the drainage area (about 1 sq. mile) is reacting.
Is anyone familiar with any resources or studies correlating gauge results with storm drain models. This would be for closed pipe systems not open...
We have a GIS system that has SHP and DBF files associated with various features. I can import the topology for various features (utilities, buildings, etc) but the files are large. Is there a way to import only the areas you want by doing a query from the DBF file. Essentially I would be...
An interesting case...
The contractor elects to construct everything from 4500 psi concrete. this is higher than most of required compressive strengths.
The cylinders break below 4500 (say 3500 for argument although most were higher). The design only called for 3500 so there shouldn't be a...
Although lining is generally used for sanitary lines we are considering lining a storm drain to prevent leaking. An adjacent utility is concerned that storm water is infiltrating their system. I would assume that the process is the same as for lining a sanitary line.
We may have heat issues...
I am a bit out of my area but I am trying to locate the codes or regulations that would typically govern steam transmission lines. I am referring to the large transmission lines found typically in city streets.
Thanks
For the case of a partially submerged outfall (say at tidal waters)would the HGL analyses be affected? It would seem that the pipe would not be allowed to flow freely so this would be taken into consideration but we generally start the HGL at the crown of the pipe.
I don't have much experience with soil nail walls. An engineer has proposed using one along an entrance ramp embankment. The wall will exceed 10' at some points and will also be part of a storm water management pond. My biggest concerns are seepage from the pond and the structural stability...
I am considering bulkheading a submerged pipe (about 5' below low tide) and pumping out the water to allow for inspection. The pipe (42" RCP) passes under a major building (don't ask why - long history). As engineers we try to think of the worst and I am imagining that there are open joints in...
Is anyone aware of a significant difference in HOBAS Centrifugally Cast Reinforced Polymer Pipe vs. Flowtite Pipe. I believe that the only difference is in the manufacturing process. There may also be a difference in performance and durability.
Are they equals? Anyone with experience with...
We discovered a type of check valve on the downstream end of an inverted siphon. Does anyone know what this may be used for. There is a relief valve near the check valve ( in the low section of the siphon - bottom of the 'U'). Perhaps has something to do with this. Siphon was constructed...
This is actually a structural question but I thought that this forum would be more appropriate.
When tapping into existing drainage structure I believe that controlled demolition is the key. I have been requiring concrete coring for taps to existing box culvers and stone arches (up to 24"...
I am looking for the pressure rating for ASTM C-76 pipe and joints. Does anyone know a good reference? Also, for box culvert joints. What is typically the maximum pressure head that can be tolerated? I know that ASTM 361 is appropriate for low pressure head but I am analyzing an existing...
