Date Issued: ________________
ID #: ____________________ Fire Official_______________________
Date Expires: _______________ Permit #: _______________________
TEXAS CITY FIRE DEPARTMENT
1725 25
TH
STREET NORTH, TEXAS CITY, TX 77590
Phone: 409-643-5700 FAX: 409-643-5719
Page 2 Minimum Requirements
Underground Fire Sprinkler Supply Line Permit & Installation
Underground Fire Sprinkler Line Minimum Plans Requirements
• Plans must have a signed & dated RME stamp
• Plans must list pipe type & size of all lines being installed
• Plans must show overall sight, and routing of all lines to be installed on-sight
• Plans must convey that they comply with NFPA 13 & NFPA 24
• Plans must convey Pipe Lengths
• Plans must show all couplings, elbows, T’s , and risers
• Plans must show City water line routing, size, and tie in location
• Plans must show backflow preventer detail and location
• Plans must show Thrust block details and location of all Thrust blocks or specify the
means of restraint as detailed by NFPA 24
• Thrust blocks shall be in place and dry prior to an inspection
• Location of all valves. Specify the type for each (e.g., post indicator valve (PIV), key gate
valve, system control valve, double detector check (DDC) assembly, outside stem and
yoke (OS&Y), etc.).
• Location of the fire department connection (FDC); FDC’s shall be no more than 150 feet
from a fire hydrant
• Provide a fire riser detail
• Backfill Detail shall include: A 6-inch bed of clean fill sand shall be provided below the
pipe and 12-inches above the pipe
• Burry depth and trench detail shall be conveyed: Pipe shall be buried at least 36” where
subject to loading (e.g., driveways, parking lots) and at least 30” elsewhere.
• Pipe shall be center-loaded with clean sand to prevent uplift, but all joints shall remain
exposed. The system shall be hydrostatically tested at 200 psi for a duration of at least
two hours
• All ductile iron, retaining rods, and other non-plastic components shall be externally
coated for corrosion and poly-wrapped
• All underground piping shall be thoroughly flushed PRIOR TO connecting to the system
risers
• A Completed Contractor’s Material and Test Certificate for Underground Piping Shall be
provided upon completion of Hydrostatic Test. (Form SFO42 state fire marshal’s office)
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**For Fire Department Use Only**
Notes regarding Inspection (If disapproved, state reasons)
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** Permit must be kept at site at all times **
Date Application Rcvd ______________