A little background...
Unobstructed noncombustible bar joist retail construction.
EH density with standard coverage heads - 100 square feet max spacing.
Green represents ductwork dropping down from RTUs.
I am told to apply the 3X rule to the vertical ductwork and therefore maintain 24"...
Morning All,
So does anyone have a nice spreadsheet setup for spacing the flexible connection outlets? My brain is hurting to determine minimum and maximum locations of heads away from the branchlines while still maintaining only (2) bends with a side outlet configuration. Also when you take in...
I realize it's in the code and I should be doing it. As a matter of fact it's a goal to start doing this quarter. However, at $45 a copy it can get rather expensive. $45 is a lot of money for a $5 paperback. Probably not as expensive as an insurance claim though. Does anyone have what they feel...
Well here's the deal. I came from the field straight into design. I've been in design for 15 years but have recently been asked to estimate design hours for upcoming bids. I don't really have a quick and dirty way to figure my design time as I haven't been tracking over the years to see how much...
NFPA 13 gives a table of Section Modulus for varying spans of trapeze members based on 15' of water filled pipe. Not sure if anyone else installs main hangers on 15' centers but we use 10'-6" spacing and 5'-3" from each end (typical 21' lengths. 2 hanges per pipe.
Is there a formula available...
