Laserfiche WebLink
Round 1 Bowling and Amusement 12/09/2024 Paradigm Design <br />Main Place Mall Expansion Grand Rapids, MI <br />Santa Ana, California <br />Project #2309147GR <br />B.Examine roughing-in of reinforcement and cast-in-place anchors to verify actual locations <br />before installation. <br />C.Proceed with installation only after unsatisfactory conditions have been corrected. <br />3.2 APPLICATIONS <br />A.Multiple Pipe Supports: Secure pipes to trapeze member with clamps approved for application <br />by an agency acceptable to authorities having jurisdiction. <br />B.Hanger-Rod Stiffeners: Install hanger-rod stiffeners where indicated or scheduled on Drawings <br />to receive them and where required to prevent buckling of hanger rods due to seismic forces. <br />C.Strength of Support and Seismic-Restraint Assemblies: Where not indicated, select sizes of <br />components so strength is adequate to carry present and future static and seismic loads within <br />specified loading limits. <br />3.3 VIBRATION CONTROL AND SEISMIC-RESTRAINT DEVICE INSTALLATION <br />A.Coordinate the location of embedded connection hardware with supported equipment <br />attachment and mounting points and with requirements for concrete reinforcement and <br />formwork. <br />B.Installation of vibration isolators must not cause any change of position of equipment, piping, or <br />ductwork resulting in stresses or misalignment. <br />C.Comply with requirements in Section 077200 "Roof Accessories" for installation of roof curbs, <br />equipment supports, and roof penetrations. <br />D.Equipment Restraints: <br />1.Install seismic snubbers on HVAC equipment mounted on vibration isolators. Locate <br />snubbers as close as possible to vibration isolators and bolt to equipment base and <br />supporting structure. <br />2.Install resilient bolt isolation washers on equipment anchor bolts where clearance <br />between anchor and adjacent surface exceeds 0.125 inch. <br />3.Install seismic-restraint devices using methods approved by an agency acceptable to <br />authorities having jurisdiction that provides required submittals for component. <br />E.Piping Restraints: <br />1.Comply with requirements in MSS SP-127. <br />2.Space lateral supports a maximum of 40 feet o.c., and longitudinal supports a maximum <br />of 80 feet o.c. <br />3.Brace a change of direction longer than 12 feet. <br />F.Install cables so they do not bend across edges of adjacent equipment or building structure.