Hydraulically Designed Sprinkler System Plan Review
From: Fire Marshal M. M. Stone
Date: October 2, 1997
The purpose of this policy is to set a guideline for the
Fire Protection industry within the City of Tampa. This policy
will determine when Hydraulic Calculations need to be submitted
are required for the following:
1. All new hydraulically calculated sprinkler systems.
2. All additions to existing previously hydraulically
calculated system where the building area protected is increased.
3. When any changes are made within the previously
calculated most remote or hydraulically demanding area.
4. Whenever there is an increase in the occupancy hazard.
5. All additions or alterations within existing calculated
systems, may not require calculations when all of the following
are provided on the plans submitted:
a) All information from the Nameplate Data.
b) A key floor plan showing the previously
calculated most remote or hydraulically demanding area. The
elevation and location of the previously calculated area in
relation to area of work to be performed.
c) All pipe sizes in the area where new work
is to be performed shall be shown to equal or exceed the pipe
sizes in the existing most remote or hydraulically demanding
Hydraulic calculations are not
required for relocations of sprinkler heads, due to architectural
charges, providing that the relocations are spaced in accordance
with NFPA location requirements.
All submittal documents for additions, relocations and
alterations to fire protection systems with a total of fifty (50)
heads or more shall bear the signature of the contractor.
Field inspections or a building history may disclose
conditions that warrant a need to provide calculations or
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