https://www.fireengineering.com/firefighting/standpipes-101-part-4/
very interesting standpipe systems can be complex and NOT simple to understand -- You received this message because you are subscribed to the Google Groups "massfire" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/massfire/CAFXWwKYaJLVYYcm%2B2mJ4XZyzfvC9qBsTsxqB25XDCkJZGH%3DN3A%40mail.gmail.com.
