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1617.5.4 Design Drift

NYC Building Code 2008 > 16 Structural Design > 1617 Earthquake Loads — Minimum Designlateral Force and Related Effects > 1617.5 Simplified Analysis Procedure for Seismic Design of Buildings > 1617.5.4 Design Drift
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For the purposes of Sections 1617.3.1 and 1620.4.6, the design story drift, Ä, shall be taken as 1 percent of the story height unless a more exact analysis is provided.
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1617.5.4 Structural Design, Design Drift
For the purposes of Sections 1617.3.1 and 1620.4.6, the design story drift, Ä, shall be taken as 1 percent of the story height unless a more exact ...
NYC Building Code 2008 > 16 Structural Design > 1617 Earthquake Loads — Minimum Designlateral Force and Related Effects > 1617.5 Simplified Analysis Procedure for Seismic Design of Buildings > 1617.5.4 Design Drift
8.5.3.2.1 General Requirements,
When one end of the escalator truss is not designed to accommodate story drift, the design shall account for the forces developed by building ...
Safety Code for Elevators and Escalators 2013 of New York City > 8 General Requirements > 8.5 Escalator and Moving Walk Safety Requirement for Seismic Risk Zone 2 or Greater > 8.5.3 Supporting Connections Between the Truss and the Building > 8.5.3.2 > 8.5.3.2.1
8.5.3.2.2 General Requirements,
At the sliding end(s), the depth of the beam seat shall be capable of accommodating the design story drift. The design story drift shall have ...
Safety Code for Elevators and Escalators 2013 of New York City > 8 General Requirements > 8.5 Escalator and Moving Walk Safety Requirement for Seismic Risk Zone 2 or Greater > 8.5.3 Supporting Connections Between the Truss and the Building > 8.5.3.2 > 8.5.3.2.2
1616.6 Structural Design, Analysis Procedures
combinations of Section 1605 and shall form the basis for determining the design drift as required by Section 9.5.2.8 of ASCE 7 or Section 1617.3 ...
NYC Building Code 2008 > 16 Structural Design > 1616 Earthquake Loads — Criteria Selection > 1616.6 Analysis Procedures
8.5.3.3 General Requirements,
Intermediate support(s) for escalators and moving walks, when used, shall be of sufficient size to accommodate design story drift movement in both ...
Safety Code for Elevators and Escalators 2013 of New York City > 8 General Requirements > 8.5 Escalator and Moving Walk Safety Requirement for Seismic Risk Zone 2 or Greater > 8.5.3 Supporting Connections Between the Truss and the Building > 8.5.3.3