NYC:DDC A Market in Transformation

NYC:DDC

A Market in Transformation

Department of

Design and Construction

Dr. Feniosky Peña-Mora

Commissioner

Margaret O’Donoghue Castillo, FAIA,

LEED AP, Chief Architect

$17billionexpected by

2020

$15billion

current portfolio value

1321in-house workforce

1300consultant workforce4151

projects completedsince 1996

641active public buildings

portfolio

660Active infrastructure

portfolio

as of July 1, 2016

250+awards won

since inception

2

$16billion

completed since 1996

NYC DDC is the City's primary capital

construction project manager.

4,151 projects completed

$15B active portfolio value

641 active public buildings projects

660 active infrastructure projects

Citywide Efforts to Date – Buildings

2009Greener, Greater Buildings Plan

• LL84 - Benchmarking*

• LL85 - First NYC Energy Code,

based on ASHRAE 90.1-2007

• LL87 - Energy Auditing*

• LL88 - Submetering/Lighting*

*For buildings over 50,000 gsf

2007PlaNYC

sets citywide

goal of 30x30

2016One City Technical

Working Group

completes report on

retrofitting existing

NYC buildings

2014One City

Built to Last

sets citywide

goal of 80x50

NYC ECC

updated to ASHRAE

90.1-2010

2016NYC ECC

updated to ASHRAE

90.1-2013, adds

airtightness testing

LL84/87/88

expanded to buildings

over 25,000 gsf

2016LL6

requires geothermal

feasibility study and

implementation

(effective 2017)

2016LL31

sets low-energy

use intensity

targets

(effective 2017)

2016LL32

updates LL86 to

LEED v4 Gold

(effective 2017)

2016LL24

requires solar

feasibility study and

implementation

2005LL86

requires LEED v2

Silver minimum

2009LL86

updated to

LEED v3 Silver

Citywide Efforts to Date – Municipal Buildings

7

Local Law 31 of 2016 (LL31)

• 50% Median LL84: 50% of the median Source EUI for buildings of similar use, as determined by most recent Local Law 84 Benchmarking Data;

• 50% ASHRAE 90.1 2013: 50% of median Source EUI for buildings of similar use, as designed to meet the prescriptive and mandatory requirements of ASHRAE 90.1-2013 or

• Passive House: 38 kBtu/sf/yr Source EUI for new buildings and 42 kBtu/sf/yr for existing buildings. Local Law 31 does not require Passive House certification.

8

Mayor de Blasio’s goal to reduce New York City’s

carbon emissions by 80% of the 2005 baseline by 2050

80 x 50

Roadmap to 80x50Projected Citywide GHG Emissions Reductions (MtCO2e)

Existing Buildings - Technical Working Group ECMs

$2.00$1.50$1.00$0.50$0.00

Relative Impact,

If Applied to All

Applicable Buildings

1 MtCO2e

1999High

Performance

Building

Guidelines

2005High

Performance

Infrastructure

Guidelines

2006Manual for

Quality, Energy

Efficient Lighting

2008Sustainable

Urban Site

Design Manual

2012Water Matters:

Design Manual for

Water

Conservation in

Buildings

2013Geothermal

Heat Pump

Manual

80x50 at DDC Builds on A History of Sustainable Design Leadership

12

Jerome Avenue, Bronx

Equity

Sustainability

Resiliency

Healthy Living

Guiding Principles – Sustainability

Use natural resources responsibly

Design holistic, integrated

systems

Promote sustainable urban ecology

Encourage responsible water use

Minimize energy use and reduce greenhouse gas

emissions

Optimize site conditions

Optimize systemsUse passivetactics

Use renewablesources

Sustainability – Minimize Energy Use and Reduce Greenhouse Gas Emissions

Minimize secondaryelectrical loads

Bring sustainable urban ecology inside

Improve commissioning

Design with Users in mind

Optimize campus solutions

Sustainability – Design Holistic, Integrated Systems

Leverage siteand enveloperesponse

Rescue Company 2Studio GANG

Simulated.

Not Actual.

Rescue Company 2Studio GANG

Case Studies

Building Basics:

Constructed 1912-1916

7 stories + basement

140,739 gsf

Architecture:

Concrete-encased steel frame

Solid masonry exterior with limestone base

Historically significant street-facing façades

Systems:

Dual-fuel steam boilers and perimeter radiators

Window air conditioning units

Operable windows

Planned base scope (on hold):

Interior gut renovation with all-new systems

Extensive façade repair and restoration

Window replacement and lintel repair

Case StudiesBergen Building, Bronx - Renovation by Studio Gang Architects, Buro Happold Engineering, Thornton Tomasetti

1918 2016

2020? Solar Analysis

r

Case StudyBergen Building, Bronx - Studio Gang - BuroHappold Engineering






Margaret Castillo

Chief Architect


Margaret Castillo

Chief Architect


Margaret Castillo

Chief Architect


Existing

Building

55%

Low U-

Value

Glazing

Insulation

Upgrade

Air

Infiltration

Reduction

10%

Base

Scope

Design

VRF Heat

Pump

with ERV

150 kW

PV


Lighting

Upgrade

14%

Con

str

uctio

n C

ost

($ m

illio

n)

Bas

e S

cop

e C

ost

$39.4

$44.7

$0.0

$5.0

$10.0

$15.0

$20.0

$25.0

$30.0

$35.0

$40.0

$45.0

Existing

Building

Low U-

Value

Glazing

Insulation

Upgrade

Air

Infiltration

Reduction

Base

Scope

Design

VRF Heat

Pump

with ERV

150 kW

PV


Lighting

Upgrade

106.3 106.1

98.0

76.9 76.472.8 71.0

63.5

55.053.6 51.6

44.639.8 41.2

37.9

34.0

102.6

37.6

42.0

0.0

20.0

40.0

60.0

80.0

100.0

120.0

Sou

rce

EUI (

kBtu

/sf/

yr)

Bergen Building ECMs Baseline

High PerformancePackage

OptimizedEnvelope

HVAC Opt #1:VAV-CHW-HW

HVAC Opt #2:VRF + DOAS

HVAC Opt #3:CB+DOAS

HVAC Opt #4:WSHP + DOAS

HVAC Opt #5:GHSP + DOAS

50% Median LL84

50% ASHRAE

2030 Path

Case StudiesWestchester Square Library, Bronx - Snøhetta, Altieri Sebor Wieber Consulting Engineers, Atelier Ten

Building Basics:

2 stories

11,621 gsf

Targeting LEED Gold certification

Base Scope Architecture:

Steel frame with diagonal columns

Curtain wall with ceramic frit

Precast concrete panels

Base Scope Systems:

Air-source heat pumps with variable refrigerant flow

Dedicated outdoor air system with energy recovery

Hydronic radiant flooring

Constraints:

Adjacent elevated subway requires high STC (sound

transmission class) rating for curtain wall

$17.9

$18.7

$0.0

$5.0

$10.0

$15.0

$20.0

Code

Compliant

Design

Base

Scope

Design

17%

Case StudiesWestchester Square Library, Bronx - Snøhetta, Altieri Sebor Wieber Consulting Engineers, Atelier Ten

Low U-

Value

Glazing

Optimized

Insulation

Air

Infiltration

Reduction

Higher

Efficiency

ERV

150 kW PV

+ 100 kWh

Battery

All LED

Lighting

Demand

Control

Ventilation

Con

str

uctio

n C

ost

($ m

illio

n)

Bas

e S

cop

e C

ost

4.5%

47%

Case StudiesNYPD Bomb Squad Facility, Bronx - Rice+Lipka Architects, Plus Group Consulting Engineering

Building Basics:

2 stories

10,640 gsf

Replaces facility damaged by Sandy

Base Scope Architecture:

Steel frame

Insulated metal panel walls

Glazing located behind perforated metal screens

Base Scope Systems:

#2 fuel oil boiler (no natural gas service to site)

Conventional rooftop HVAC

Constraints:

Located in floodplain - first floor designed to allow

floodwaters to pass through, second floor elevated

$8.9

$9.3

$0.0

$1.0

$2.0

$3.0

$4.0

$5.0

$6.0

$7.0

$8.0

$9.0

$10.0

93%

Code

Compliant

Design

Low U-

Value

Glazing

Wall

Insulation

Upgrade

Roof

Insulation

Upgrade

VRF Heat

Pump

with ERV

54 kW

PV

Base

Scope

Design

6%

Case StudiesNYPD Bomb Squad Facility, Bronx - Rice+Lipka Architects, Plus Group Consulting Engineering

Con

str

uctio

n C

ost

($ m

illio

n)

Bas

e S

cop

e C

ost

4.8%

35

Documents

NYC:DDC A Market in Transformation