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8/20/2019 Best Practices in High Rise NY
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Best Practices in High-Rise
Construction
Tom Connors
April 23, 2012 – Times Square Marriott Marquis
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The NYC Department of Buildings is a registered Provider with The American Institute of Architects Continuing Education Systems (AIA/ CES). Credit earned on completion of this program will be reported to AIA/CES for
AIA
members.
Certificates
of
Completion
for
both
members
and
non
‐
AIA members are available upon request.
This program is registered with the AIA/CES for continuing professional education. As such, it does not include content that may be deemed or constructed
to
be
an
approval
or
endorsement
by
the
AIA
of
any
material
of construction or any method or manner of handling, using, distributing, or dealing in any material or product.
Questions related to specific materials, methods, and services will be addressed
at
the
conclusion
of
this
presentation.
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This presentation is protected by US and International
Copyright laws. Reproduction, distribution, display and use of
the presentation
without
written
permission
of
the
speaker
is
prohibited.
©NYC Department of Buildings
Copyright Materials
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Course DescriptionThis course will give an overview of safe construction in New York City, which is regulated by the 2008 NYC Construction Codes to
ensure that
regulations
remain
up
‐to
‐date
with
evolving
safe
practices. The Department of Buildings is at the forefront of approving new materials and technology, enabling it to advance safe practices through education and specialized on‐site inspections with
ownership and
contractors.
Electronic visual examples will provide an understanding for the best and worst practices found on construction sites across the City. This
presentation will
allow
participants
to
incorporate
best
practices
in
future projects – while better enabling them to identify and mitigate risks that could pose safety threats to the public.
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BEST Practices in High-Rise
Construction
• Primary Strategies
• Alternative Strategies
• Demolition Strategies
• Major Projects Initiative
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Major Building Projects Filings Progression
0
100
200
300400
500
600
700
800
2008 2009 2010 2011 2012
196
306368
600
758
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Current Major Building Filing Types
140
22
398 17
New Buildings
Alt‐1 Conversions
Façade Repair
Demolitions
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Primary Strategies for SafeHigh-Rise Construction
• Standpipes
• Sidewalk Sheds
• Jersey Barriers
• Vertical Netting
• Horizontal Netting
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Standpipe Systems (3308.8.11)• Alt‐2 Filing
• Dedicated Power Supply
• Check Valves
• Locks & Caps
• Manual Air
Release
• Signage
• Audible Alarm Range:
• 15 dBa Above Ambient
• Noise
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Standpipe Systems
Air Gauge at Highest Point
Alarm Bell at Guardhouse
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• 300 lb. Live Load: Buildings > 100 ft
• 150 lb.
Live
Load:
Buildings
< 100
ft
Sidewalk Shed Requirements
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Lighting
at
8
Feet
Sidewalk Shed = Overhead
Protection for the Public
(3307.3.1)
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Lane Closure Utilizing
Jersey Barriers
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DOTCompliant
Lane Closure(3307.4.3)
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Highly Visible Barriers
= Safe Site
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60” Code Compliant
Vertical Netting (3308.1.1)
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Supported Scaffold with Full
Height Debris Netting (3308.1)
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Horizontal
Netting
(3308.1.2)
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• Horizontal Netting
• Interior Climbing
Crane
• Work Platforms
Examples of Good Practices
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Good and Bad Netting
Good
Bad
Ugly
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Poor Scaffold Netting Maintenance
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Alternative Strategies• Full Height Vertical
Netting
• Rigid Vertical Protection
• Static Horizontal Netting
• Partial Cocoon
systems
• Full Cocoon systems
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Full Height Vertical
Perimeter Netting
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Rigid Vertical
Perimeter Protection
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60” Rigid Vertical
Perimeter Protection
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Added Protection Affordedby Static Horizontal Netting
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StaticHorizontal
& Vertical
Safety
Netting
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Requirements for Cocoons•Compliance with Buildings Bulletin # 2010‐019
•Alteration Type
2 Application
•CCD‐1 Submittal to Engineering and Safety
•Operations Division
•Review of Application
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Partial Cocoon
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Cocoons of Solid Material
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Full Cocoon with FullHeight Vertical Netting
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Cocoons Loading
Platform
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Screen Cocoon withFull Height Netting
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Conventional Top Deck
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Full Cocoon Protectionon Top Deck
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Cocoon =Comfort & Safety
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Cocoon Being Raised
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Shear Wall FormingBehind a Cocoon
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• Slab to Slab
Vertical Nets
• Static Horizontal
Nets
• Cocoon System
• Sidewalk Shed
Full Public Protection
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Safe High-Rise
Construction=
A Long Life
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Safe Demolitions of Major Buildings
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Sidewalk Sheds
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Steel & ConcreteDemolition
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Full Mechanical
Demolition
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Dust Control (3306.9.3)
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Common Interior Demolition Hazards
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Unsafe Storage of
Demolition Debris
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Major Projects Initiative
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• Education
• Communication
• Cooperation
• Innovation
• Technology
• Expectations
Benefits of the Major Projects Initiative
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• Share Information
•
DOB Point Person
• On Site Meetings
• Joint Inspections
• Address Challenges
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Results of the Major Projects Initiative
0
10
20
30
40
50
60
70
8090
100
2009 2010 2011 2012
Amount of Full Stop Work Orders for Major Buildings
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27 Current Participants
Contact Engineering & Safety
Operations
Become a Partner in theMajor Projects Initiative
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Questions?This concludes the American Institute of Architects
Continuing Education
Systems
Course
NYC Department of Buildings
Buildings University AIA Point of Contact:
Allison Ginsburg allisongo@buildings.nyc.gov
212‐566‐4415
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