Some metro Atlanta municipalities have started requiring some assurance that a proposed building or building addition’s automatic sprinkler system is capable of fighting a fire BEFORE they will issue approval of the site/civil plans for land disturbance. In the cases we have seen of this lately, they are requiring a letter and/or hydraulic calculations from the sprinkler contractor to provide this assurance.
In some situations, a project owner may not have picked a general contractor or a general contractor may not have picked a sprinkler sub-contractor at the stage of the project in which site/civil plan approval is being sought. Some may think that the project mechanical/plumbing engineer could provide these calculations. However, it has been our experience, that mechanical/plumbing engineers are increasingly relying on the fire sprinkler contractor to design all aspects of the fire sprinkler system. Be advised, that, in these municipalities a sprinkler contractor may have to be engaged much earlier in the process than is typical.
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