I don't have design experience on parking lot lighting design. However, I was asked to review a parking lot lighting plan set to find out the areas to improve/optimize, e.g., reduce the number of lighting poles with different lighting fixtures, etc.
I know it's an opportunity to extend my...
I am not familiar to NFPA 820 but I just found that the storm water pumping station wet well requires "CGD" if it is enclosed (Table 4.2).
I have not seen CGD in "storm" water pump station but is it a "NEW" requirement?
If it is a new requirement, is there any good product to recommend for the...
I have an AC overlay project for an old Park parking lot.
I checked as-built plans and found that the depth of the existing AC is only 2.5" deep.
It gives me a concern that 1.5" deep grinding would "BREAK" the existing AC so it might cause repeating the same job in the near future.
The owner...
Whenever I design storm drain basins, I come up with a question.
Is it appropriate that storm drain pipes connected to a new basin can be included as a part of the basin capacity?
Some municipalities say "No" for conservativeness, some say "OK".
I know that conservative design of the basin...
I don't have much experiences on storm drainage basin calculations. So it would be great to get some advices from the experts in this forum.
A local storm drain specs includes the following criteria.
"The starting point for hydraulic grade calculations in collection system design shall be the...
