TranSystems Corporation - LGM Construction

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11
obstructed. Provide supplemental heads beneath all obstructions if necessary to meet NFPA and
Owner’s insuring company requirements.
F. Beyond all other requirements, the Owner reserves the right to require relocation of all sprinkler
components where the installation is, in his opinion, vulnerable to operational damage. Such
relocation shall be performed by the Contractor and shall not be the basis for additional
compensation.
3.2 PIPE AND CONDUIT PENETRATIONS
A. Masonry
1. This Contractor shall locate and provide sleeves to the Division 4 masonry subcontractor
for his inclusion prior to construction of the wall. If penetrations are within existing
surfaces, or if this Contractor does not comply with these requirements, it shall be his
responsibility to cut the opening, install and grout the sleeve in place, and provide a wall
finish that matches the existing finish at no extra cost to the Contract.
2. The length of the sleeve shall be full wall thickness and the diameter shall be determined
by providing as small a space between the pipe O.D. and the sleeve I.D. as is possible.
This space shall be packed with oakum or fiberglass insulation. Sealant shall be installed
to close off this space on both sides of the wall by spanning the distance from the sleeve
to the pipe.
3.3 FLUSHING
3.4 TESTS
A. Pipework installed under this Contract shall be flushed in accordance with NFPA
recommendations.
A. Immediately before any hydrostatic testing or water fill, a preliminary pneumatic test of 10 psig for
5 minutes shall be performed as a measure to indicate no piping has been left open.
B. No water shall be introduced into the piping system until the piping has been pressure tested.
Piping installed under this Section shall be hydrostatically tested at not less than 200 psig for a
minimum of two hours, or 50 psig above the static pressure where the static pressure exceeds 150
psig for two hours. Leaks shall be repaired immediately and the entire test repeated until the joints
are proven tight. Caulking of joints shall not be permitted. At the completion of the successful test,
all pipework shall be flushed clean.
C. Gauges, pumps, temporary strainers, other equipment necessary for protection of the system, and
other equipment necessary for all tests shall be furnished by the Contractor.
D. Tests of concealed piping must be made before piping is concealed. Pipes shall be proven tight in
the presence of an authorized representative of the Owner. The Engineer shall be notified in
writing a minimum of five days prior to the test.
E. Install strainers, etc., as may be required to properly protect equipment from sediment, debris, etc.
in the piping system. Where permanent strainers are not shown, temporary strainers may be
required for use during start-up.
FIRE PROTECTION 15550-9