TranSystems Corporation - LGM Construction

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11
B. Sprinkler heads shall be Star Model E (Model M for dry pendent heads), or equal, with
temperature ratings and discharge characteristics as scheduled on the drawings.
C. In office areas, sprinkler heads shall be chrome plated with chrome plated escutcheons.
Sprinkler heads in suspended acoustical tile ceilings shall be Model GFR/F2 recessed type
escutcheons as manufactured by Reliable.
D. Provide and install sprinkler emergency cabinets for the storage of spare sprinkler heads. The
cabinets shall be located at each sprinkler riser. Provide necessary wrenches in the cabinet for
use in removal and installation of the sprinklers. The extra sprinkler heads shall be of the same
type and temperature ratings as those installed in the building. Installing of the cabinet and
quantity of spare heads shall be in accordance with NFPA-13, Section 3-2.9.
E. Temperature rating of sprinkler heads near unit heaters or other heat producing objects shall be
in accordance with NFPA-13 Section 5-3.1.4.
F. Sprinkler heads shall be centered in suspended acoustical tile ceiling.
2.9 WATER MOTOR ALARM
A. The water motor alarm(s) shall annunciate system water flow.
B. Each riser shall be provided with a minimum of one water motor alarm Star Model "CD", Viking
Model F-1 or equal.
C. The water motor alarm may serve more than one system, but the piping shall be arranged so
there will be no backflow to activate devices on systems where no flow is occurring.
2.10 FLOW SWITCH
A. Flow switch(es) for Wet Pipe Systems shall be Simplex WF-5, Series 2097 Type VSR-D or
equal. Flow switch shall be UL listed and FM approved.
2.11 FIRE DEPARTMENT CONNECTION (SIAMESE CONNECTION)
A. Fire department connection(s) shall be constructed of cast iron body with brass seals and
checks. Finish shall be polished chrome. Connection shall have two 2-1/2" brass inlet swivel
hose connections with chains and caps and a 4" outlet connection arranged in the same plane
(straightway) pattern, or as otherwise required by the contractor’s hydraulic design. Threaded
connections shall be suitable to local fire department threads. Connection shall be FM, UL
approved. Auto. Spkr., Fire Department Connection shall be cast in raised letters on the plate.
Provide Stortz connection if required by local fire department.
B. Interconnect all installed fire department connections so that fire department truck connection to
any individual siamese connection will pressurize all riser assemblies.
C. The fire department connection shall be Model B as manufactured by Reliable, Star, Viking or
equal.
2.12 TAMPER SWITCH (SUPERVISORY SWITCH)
FIRE PROTECTION 15550-6