IV
SPECIFICATION
GUIDELINE DATA
AUTOMATIC WET-PIPE SPRINKLER SYSTEMS
(Refer to NAVFAC Guide Specification NFCS-15501 for further information
in developing detailed specifications)
GENERAL DESCRIPTION: A vet-pipe sprinkler system is the most common.
All piping is filled with water under pressure which is immediately
discharged only at sprinkler heads which have operated and flow
continues until shut-off. The sprinkler system is provided with
devices to sound an alarm upon water flow from one or more sprinklers.
REQUIREMENTS: The PACNAVFACENGCOM Fire Protection Engineer will
determine the requirement for the installation of -wet-pipe sprinkler
systems based on type of construction, occupancy and other factors upon
project submittal.
GENERAL: The work includes complete design, the furnishing of all
materials, equipment, and labor for the installation of a vet-pipe
sprinkler system, complete and ready for standard operation in areas
indicated.
SPECIFIC REQUIREMENTS: The system shall include a sprinkler riser
connected to the water system, water flow indication and appurtenances,
sprinkler heads and piping, and such other standard accessories as are
necessary for a complete, approved system. The design and installation
shall be accomplished by a qualified, responsible contractor recognized
as a fully-experienced specialist in automatic sprinkler systems. All
devices and equipment shall be of make and type listed by the
Underwriters' Laboratories, Inc., or approved by the Factory Mutual
Laboratories. Materials shall be-of approved, standard quality, and
the entire installation shall be accomplished in a thorough and
workmanlike manner. Sprinkler heads shall be spaced according to
National Fire Protection Association Standards. All work and materials
shall conform with current requirements of the NFPA Standards Nos. 13,
15, and 24, latest editions. The provisions of these standards, unless
othervise specified, shall be followed in total, whether the
stipulations listed therein are 'directed or recommended. The riser
assemblies and trimmings shall be installed approximately at the
locations indicated. Detailed working drawings of the system and
catalog information shall he prepared by an accredited sprinkler
installation company, and shall be submitted to the Contracting Officer
for review and approval of the CQC representative prior to the
fabrication of the system. The drawings shall be submitted in a
complete set for the area as indicated; partial submissions will not be
acceptable. Timbers, uprights, hangers, piping, lighting
IV-1