[interior] [or] [exterior and weather resistant] non-hardening compound.
3.1.12.3
Ducts Passing Through Equipment Rooms
Provide with sound insulation equal to the sound attenuation value of the
wall, floor, or ceiling penetrated.
3.1.13
Machinery Foundations and Subbases
Provide cast in place anchor bolts as recommended by the machinery
manufacturer.
3.1.13.1
Machinery Subbases
**************************************************************************
NOTE: Delete this paragraph when the specification
of subbases conflicts with contract drawings.
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Provide concrete subbases at least 102 mm 4 inches high for floor mounted
equipment [except elevators]. Rest subbases on structural floor and
reinforce with steel rods interconnected with floor reinforcing bars by tie
bars hooked at both ends. Provide at least 50 mm 2 inch clearance between
subbases and inertia bases, steel bases, and steel saddles with machinery
in operation.
3.1.13.2
Common Machinery Foundations
Mount electrical motors on the same foundations as driven machinery.
Support piping connections, strainers, valves, and risers on the same
foundation as the pumps.
3.1.13.3
Foundation and Subbase Concrete
Cast concrete foundations and subbases of ASTM C 94 [20 MPa] [2500 psi]
[_____] concrete reinforced with steel bars as indicated or recommended by
machinery manufacturer.
3.1.13.4
Anchor Bolts and Grout
Secure machinery to foundations and inertia bases with anchor bolts. Grout
equipment with baseplates, the full area under baseplates with premixed
non-shrinking grout. After grout has set, remove wedges, shims, and jack
bolts and fill spaces with grout.
3.1.14
Inertia Bases
Install inertia bases in accordance with the recommendations of the
machinery manufacturer or inertia base manufacturer, as applicable.
[3.1.15
Seismic Restraints for [Piping] [and] [Ductwork]
Provide seismic restraints in accordance with SMACNA Seismic Restraint Mnl.
]3.1.16
Suspended Machinery Platforms
Provide with vibration-isolation hangers.
SECTION 15070N
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