I have a small community water system (approx 8,000 gpd). The water source is from VFD well pumps which maintain 70-80 psi throughout the community. The demand varies greatly, from 5 gpm to (unknown – the max capability of the well pumps is 350 gpm, although domestic peak demand is probably...
I've read paragraph 1.3 in NFPA 1142, which says that in some cases the AHJ may require an additional water supply, and Annex G could be used as a guide.
When is Annex G really used? Why does Annex G exactly match the ISO recommendation for water suppies?
If I wanted to recommend a water...
Ok, basic questions I am trying to figure this out:
There are two main codes for fire protection, the International Fire Code (by ICC) and the Unifrom Fire Code (NFPA 1). States and local AHJ's may select either one or their own to establish law.
I know this is a basic idea, but I am...
Current iron level is .6 ppm, manganese is .06 ppm. Peak demand is 50 gpm. What is the best (most affordable, low maintenance, simple operation) way to remove the to get it less than .3?
I am designing a community water supply for a small community (about 30 homes). In the past, we have used two or more wells with hydropneumatic storage, and put all the controls (and water treatment, if necessary) in a pumphouse. Recently, the pumphouse part has become an expensive part of the...
Situation:
Designing small community water system (20 homes), with an additional "community center" (gymnasium, offices, day care facility).
The community center is being designed by someone else, and will be sprinklered as necessary. We won’t be responsible for doing this part of the design...
I need to design small surface water systems for individual homes. To my knowledge, there aren’t any regulations directing certain disinfection requirements for individual homes in my area (MN-WI-MI).
Situation: water is from Lake Superior, which is relatively good, but may have minor...
New here - looking for guidance -
I'm designing a groundwater supply for a small community (50 homes). It includes a filter to remove Fe & Mn. The filters backwash each night into a drainfield (about 100 gal). Solids will settle out in a septic tank.
Question is: Would this be...
New to engineering - New to the forum, thanks.
I am designing a basic 20' x 30' pumphouse for a small community. I have a basic CMU design with 10' ceilings, but I want 14' ceilings (due to some large tanks inside the bulding). The question is, can I take my default design that we've been...
