MEP Design Considerations in Supertall Towers MEP设计在超高层建筑中的应用

Gary Pomerantz, Executive Vice President, WSP | Parsons Brinckerhoff

Gary Pomerantz，副总裁，科进|柏诚集团

by Gary Pomerantz

MEP Design Considerations in Supertall Towers

October 2016

© Council on Tall Buildings

and Urban Habitat

PHASED OCCUPANCY 3

Multiple Heating/Cooling Plants Life Safety Systems Operational Emergency Generators Smoke Control Wet Fire Protection Fire Alarm

Utility Infrastructure Stack Effect © Council on Tall B

uildings

and Urban Habitat

ADVANCED CONTROLS SYSTEMS/IT SYSTEMS 4

Rapidly Changing Industry Control from Mobile Devices Long Design/Construction Cycle Relative to

Rapid Evolution of Controls and Mobile Devices

© Council on Tall Buildings

and Urban Habitat

CENTRAL VS. FLOOR BY FLOOR APPROACH 5

Central Chillers Vs. Water Cooled DX Central Air Systems Vs. Local Systems Accountability Issue Leasing Issue

© Council on Tall Buildings

and Urban Habitat

MIXED-USE PROJECTS 6

Separate Vs. Central (Shared) Infrastructure First Cost Vs. Accountability/Independence Local Laws and Practice

© Council on Tall Buildings

and Urban Habitat

UNDERFLOOR VS. OVERHEAD AIR 7

Headquarters Vs. Leased Office Building Developer Vs. Tenant Costs and Savings Adaptive Building – Works for Both Rentability

© Council on Tall Buildings

and Urban Habitat

MAXIMUM OPERATING PRESSURES 8

Tall Buildings Produce Large Hydraulic Pressures

Maximum Operating Pressure Due to: Codes Practice Equipment Availability Cost of Piping and Equipment Vs.

Operating Pressure Heat Exchange Zones Multiple Chiller Plants

© Council on Tall Buildings

and Urban Habitat

LIFE SAFETY ISSUES 9

Tall Buildings have Inherently Long Egress Times

Codes Often do not Address Super Tall Buildings

Refuge Areas Dual Water Sources for Fire Protection Use of Egress Lifts Smoke Control Strategy Egress or Remain in Building

© Council on Tall Buildings

and Urban Habitat

EMERGENCY STANDBY POWER REQUIREMENTS 10

Statutory Code Requirements Standby Requirements Residential Commercial

Adaptability to Add Generators as Required

© Council on Tall Buildings

and Urban Habitat

SUSTAINABILITY 11

To Do or Not To Do? Degree of Sustainability? What is Sustainable? And What is Really Sustainable?

© Council on Tall Buildings

and Urban Habitat

LAYOUT REDESIGNS 12

Long Construction Schedule, Styles Change, Designs Change

Mechanical/Electrical Shafts Become Fixed Points

Lead/Infrastructure Requirements Adaptability of Design

© Council on Tall Buildings

and Urban Habitat

ELECTRIC POWER DISTRIBUTION 13

Utilization Voltage Vs. High Voltage Space Requirements Capital Cost Utility Tariff Requirements Local Practice

© Council on Tall Buildings

and Urban Habitat

QUESTIONS? 14

Gary Pomerantz, PE, LEED AP Executive Vice President, Building Systems 512 Seventh Avenue, 13th Floor New York, NY 10018 Direct: +1-212-951-3970 Main: +1-212-532-9600 Email: Gary.Pomerantz@wspgroup.com Visit Us at http://www.wsp-pb.com/

© Council on Tall Buildings

and Urban Habitat