Partners in Innovation

Green Affordable Housing

Chris Parr, Denver Housing Authority

Director of Development

September 28, 2010

Denver Housing AuthorityFounded in 1938

Quasi-Municipal Corporation

3,800 public housing units in 32

properties

Three HOPE VI projects

Quigg Newton

Curtis Park

Park Avenue

All development activity is in-house

Administer over 5,000 tenant based

vouchers

Curtis Park Before/After

3

Globeville Townhomes Before/After

4

Park Avenue Before

• Constructed in 1977

• 199 units on 9.6 acres

• 50 DHA units (Arrowhead)

• 10 Yr old urban grid

• Physical isolation

• 1980’ drugs and gangs

5

6

Park Avenue After• 2002 HOPE VI - $20 M• Total Investment $205.4 M

9:1 ratio private investm’t• Demolish 249 units• 873 mixed income units• 598 rental units;

homeownership

• 275

Rental Developer Master Developer

DHA Approach to Mixed-Income Housing Today

Cost Analysis – Sample Project Source: YRG Sustainability

Energy Modeling Source: YRG Sustainability

Energy Modeling Source: YRG Sustainability

Proposed Building Annual Energy Use

Energy Modeling Source: YRG Sustainability

Baseline v. Proposed Case Annual Energy Cost

DHA Block 5B Energy Use Summary 1.825 78200

StrategyAnnual

Energy CostStrategy Savings

Total Savings Relative to

Baseline

% Cost Savings (LEED) LEED Points

Electricity Use (kWh)

Electricity Savings (kWh)

Electric Demand (kW)

Demand Reduction

(kW)

Electricity Emissions (lbs

CO2) Emissions Reduction kBtu/ SF

Baseline ASHRAE 90.1-2004 Electric Baseline $70,144 - - - - 901,745 - 187 - 1,645,685 - 39.3

EnvelopeBuilding envelope strategies: high performance windows, roof insulation

$60,789 $9,355 $9,355 13.3% 1 796,655 105,090 166 21 1,453,895 11.7% 34.8

LightingLighting efficiency strategies: installed residential lighting, common area lighting power reduction

$57,400 $3,389 $12,744 18.2% 3 745,345 156,400 143 43 1,360,255 17.3% 32.5

EquipmentEnergy Star appliances, efficient elevators, and low-flow fixtures

$54,887 $2,513 $15,257 21.8% 4 712,716 189,029 132 55 1,300,707 21.0% 31.1

HVAC Ground source heat pump HVAC system $34,924 $19,963 $35,220 50.2% 10 495,363 406,382 107 80 904,037 45.1% 21.6

PV100 kW photovoltaic system (shown as reducing every end use equally)

$26,328 $8,596 $43,816 62.5% 10 373,433 528,312 107 80 681,515 58.6% 16.3

$0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000 $70,000 $80,000

Baseline

Envelope

Lighting

Equipment

HVAC

PV

Annual Energy Costs by End Use

Plug Loads

Ext Lighting

Interior Lighting

Water Heating

Heating

Heat Pump Supp

Cooling

Fans

Pumps

Park Avenue Solar Analysis100 kW System – Goal: Significant Building Electrical Demand Coverage

Total System Value $616,000

Solar Rebate ($198,720) Considerations: - Need 12-14,000 sf mounting space

Initial Capital Requirement $417,603 - Other Building Systems

Federal Investment Tax Credit ($184,800)

Final Capital Requirement $232,803 Payback Year 7

Chart: Namaste Solar

Park Avenue LEED ND

Hirschfeld Towers Geothermal

209 Unit High Rise

Geothermal System

81 Wells

450’ Deep Each

5% Premium

12 Year Payback

45% Energy Reduction

EPC/CFFP/4% Deal

Local Utility Grant/Monitor

Hirschfeld Towers

GEOThermal...Our New Energy

South Lincoln I (1099 Osage)

50% reduction in energy

consumption

Use of Geothermal and

Solar

Energy Star Lighting

Package

Specific Green

Communities Credits

Park Avenue Conceived De-Concentrate Poverty

Preserve Affordability and

Introduce Mixed-Income

New Housing Stock

Revitalize Surrounding

Neighborhood

Connect Street Grid

Supportive Services

Result De-Concentrate Poverty

Preserve Affordability and

Introduce Mixed-Income

New Housing Stock

Revitalize Surrounding

Neighborhood

Connect Street Grid

Supportive Services/Jobs

Connect to Multi-Modal Transit

Options (decrease VMT) and

walkable

Healthy Food Access

Energy Efficient/Decrease

Carbon Footprint

Low Impact Infrastructure

GREEN

SUSTAINABLE

What is Green?

Does Green = = Cost

What is Sustainable?

Sustainable = + + + +

Green

The greatest way to go Green is to be SUSTAINABLE

Change

+=+ + + $

South Lincoln Redevelopment

South Lincoln Public Comment

Source: Mithun/DHA

South Lincoln Public Goals/Vision Breakdown

Source: Mithun/DHA

South Lincoln Health Impact Assessment

South

Lin

coln

Rede

velo

pm

ent

HD

MT

He

alth

y D

eve

lop

me

nt

Me

asu

rem

en

t To

ol

Adequate

and Healthy Housing

Environmental Stewardship

Safe and Sustainable

Transportation

Social Cohesion

Public Infrastructure

Healthy Economy

Elements

Denver HDMT

South

Lin

coln

Rede

velo

pm

ent

HD

MT

He

alth

y D

eve

lop

me

nt

Me

asu

rem

en

t To

ol

Adequate

and Healthy Housing

Housing in proportion to demand with

regards to size, affordability,

and tenure

Protect residents from

involuntary displacement

Decrease concentrated

poverty

Assure access to healthy,

quality housing

Environmental Stewardship

Decrease

consumption of energy and

natural resources

Restore, preserve

and protect healthy natural

habitats

Promote affordable

and high-quality food access and

sustainable

agriculture

Preserve clean air

quality

Maintain safe levels of

community noise

Safe and Sustainable

Transportation

Decrease private motor

vehicle trips and miles traveled

Provide affordable

and accessible public

transportation options

Create safe, quality

environments for walking

and biking

Social Cohesion

Promote socially

cohesive neighborhoods

Promote personal

safety

Increase participation

in social decision-making

process

Assure equitable and

democratic participation

throughout the planning

process

Promote mental

health for all residents

Promote community

and supportive services

Public Infrastructure

Assure affordable and

high quality child care for all

neighborhoods

Assure accessible and

high quality educational

facilities

Assure spaces for

libraries, performing

arts, theatre for

personal and educational

fulfillment

Assure affordable and

high quality public health

facilities

Increase park, open

space and recreation

facilities

Increase accessibility,

beauty, safety, and

cleanliness of public spaces

Assure access to daily

goods and service needs,

including financial services

and healthy foods

Promote affordable

and high-quality food

access and sustainable

agriculture

Healthy Economy

Increase high-quality

employment opportunities

for local residents

Healthy, safe,

and meaningful jobs &

increase equality in income

and wealth

Promote economic

development that enhances natural

resources and the

environment

Promote financial literacy

Promote

entrepreneurship and

locally owned businesses

Elements and Objectives

Denver HDMT

South Lincoln Healthy Food

Health Impact Analysis

Significant Lack of Access to Healthy Food

No Healthy Market/Farmers Market

Childhood Obesity

Ownership in Neighborhood

Third Space

South Lincoln Energy and Greenhouse Gas Emissions

Food access, sustainable agriculture, and social cohesion

Environmental Stewardship and Social Cohesion

10th & Osage Light

Rail Station

Documenting existing pedestrian and bike conditions

Health rationale

Traffic Calming at Mariposa Street

Integrated Street Design: Pedestrian and Bike Safety

Safe, quality walking and biking environments

Sustainable and Safe Transportation

10th & Osage Light

Rail Station

Affordable and accessible public transportation options

Sustainable and Safe Transportation

10th & Osage Light

Rail Station

Contact Information

Chris Parr, Denver Housing Authority

303-809-6374

cparr@denverhousing.org

www.denverhousing.org