Green Building Program Profiles
The green building programs highlighted below include voluntary
and/or mandatory requirements for new construction, additions or
significant remodeling projects for commercial, residential and
public buildings. The programs include varying degrees of performance
guidelines for energy conservation, water use and waste related
to the construction and operation of buildings. Click on the link
below for details on the green building program administered and
enforced by each community:
Additional information on green building programs is available
from the
US Green Building Council.
Boulder has an extensive history of implementing green building
initiatives, beginning in 1976 when voters approved the Danish Plan
- Boulder's Residential Growth Management Plan. As a part of this
plan, the city performed a community energy audit and developed
an energy management planning methodology based on the results.
From the audit, the city discovered that the residential sector
accounted for nearly 40% of the total energy use, and single family
detached homes composed 54% of housing stock and consumed 74% of
total residential energy use. In 1980, the building code was amended
with conservation and energy related features to focus on residential
construction. This was the origin of the Energy Options Points program,
the predecessor of the city's current Green Points program.
In the 90's, the city reevaluated the Energy Options program
by utilizing many aspects of the Green Built Program, which was
already adopted by the Boulder Home builders Association, in developing
the new Green Points program. A checklist of energy efficiency and
sustainable measures was developed with the realization that some
measures cost more than others to implement. Thus, points were assigned
to each measure reflecting the varying cost and value to homeowners.
The program was revised in 2001 by increasing the number of required
points and including remodeling projects over 500 square feet. Also,
larger homes over 2,500 square feet would be required to earn additional
green points based on square footage.
On November 13, 2007, the Boulder City Council adopted updates
to the "Green Points and Green Building Program," which became
effective on February 1, 2008. It consists of optional and mandatory
requirements related to design, construction, operations, recycling,
and deconstruction and intended to conserve energy, water and other
natural resources.
The ordinance consists of a rating system for the environmental
performance of residential construction and operational practices,
and provides guidelines for documentation that demonstrates compliance.
The ordinance requires builders to select from a checklist of residential
building methods, materials and practices that are designed to increase
energy efficiency, reduce water consumption, reuse or recycle construction
materials, reduce solid waste and improve indoor air quality.
Mandatory green building requirements include homes to meet performance-based
energy savings goals, that range from 30-75% more efficient than
the 2006 IECC code (depending on square footage), as shown in Table
1 below.
Table 1: Home Size Built to 50% above
2006 IECC
| Square Feet |
1,000
|
2,000
|
3,500
|
5,000
|
| Greenhouse Gas Emissions |
3.8
|
6.9
|
11.3
|
16.3
|
| % GHG savings |
36%
|
32%
|
30%
|
26%
|
| % Total Energy Savings |
35%
|
36%
|
34%
|
35%
|
Incremental Installation Cost
(includes $2K federal tax credit) |
$4,170
|
$4,849
|
$6,975
|
$9,167
|
% Increase of Incremental over
Hard Construction Costs |
2.0%
|
1.2%
|
1.0%
|
0.9%
|
|
Total Energy Cost |
$295
|
$467
|
$695
|
$880
|
Source: City of Boulder
The ordinance also includes the following prescriptive energy
efficiency and waste reduction requirements:
- At least half of light fixtures and lamps must be energy
efficient (e.g., ENERGY STAR fixtures with CFLs),
- Gas furnaces are required to be sealed combustion with a
minimum efficiency rating of 90% AFUE, and
- A minimum of 50% of the construction waste must be recycled.
Energy performance is determined through a Home Energy Rating
System (HERS) rating or an energy audit. Compliance of and inspections
of Green Points applications is done in conjunction with a residential
building permit application and field inspections. The applicants
must demonstrate compliance with all provisions of the Green Points
program before the city manager can grant a certificate of occupancy.
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In 2005 former Mayor Rocky Anderson issued an Executive Order
requiring all new and renovated city buildings and facilities be
certified under the Leadership in Energy and Environmental Design
(LEED) Green Building Rating System as LEED-Silver or better.
The Executive Order applies to all public buildings that are owned
and operated by Salt Lake City Corporation. In his State of the
City address on January 15, 2008, Mayor Ralph Becker stated he will
be proposing a revision to the Salt Lake City's building codes to
strongly encourage use of LEED for privately owned buildings.
LEED certification requires that environmental and energy-efficient
design be incorporated into new buildings or major renovations of
existing buildings. These buildings are also more efficient than
conventional structures in terms of reduced maintenance and operating
costs.
The Salt Lake Intermodal hub is a 23,500 ft2 transportation center
that includes a bus terminal, ticket counter, and offices for Greyhound
personnel. It earned LEED Silver certification from US Green Building
Coalition (USGBC), making it first-ever LEED project in Salt Lake
City.
The Fuller Paint Building in Salt Lake City is a 50,000 square
foot building, housing the corporate headquarters of Big-D Corporation.
The building is listed on the National Historic Register through
the National Park Service and received LEED Gold certification.
GSBS Architects was hired to design the LEED certified renovation,
while preserving historic features.
In November 2006, the Salt Lake City Council voted unanimously
to endorse the LEED certification requirement by requiring certain
buildings receiving city funds to be at least LEED Certified. This
ordinance affects the construction or major renovation (more than
25% of the building's square footage) of a commercial, multi-family
residential or municipal building that will contain more than 10,000
sq. ft of occupied space. City-owned buildings must obtain a LEED
Silver certification and all other projects using city-funds must
obtain the minimum level of LEED certification.
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In 1998, Scottsdale established the state's first voluntary Green
Building Program to encourage environmentally responsible construction
practices by incorporating healthy, resource and energy efficient
materials and methods in the design and construction of homes. The
program rates building projects in six areas: (1) site use, (2)
energy, (3) indoor air quality, (4) building materials, (5) solid
waste, and (6) water. Educational programs for the public and builders
are an integral part of the program.
Features in the program are intended to achieve energy savings
through efficiency improvements that the builder chooses from the
program checklist. They include:
- the use of well insulated building envelope with internal
thermal mass,
- passive solar design strategies, such as proper orientation
and design of interior spaces for seasonal benefits to reduce
energy load and maximize comfort,
- installation of high-performance low-e windows and external
shading devices,
- energy efficient lighting, and
- high efficiency mechanical systems (SEER 14 AC and 90% AFUE
furnaces), with sealing and insulation of ducts
| Case Study: Granite
Reef Senior Center

This 37,500 square foot
building is a showcase of sustainable design in the
context of the Sonoran Desert urban environment. It
is the first green certified city facility under the
City of Scottsdale Green Building Policy and will be
the first green certified Senior Center in the State
of Arizona. Energy efficiency features include:
-
reduced energy costs
by 50% over ASHRAE 90.1 energy standards,
-
highly energy efficient
building envelope with super insulated wall, door
and window systems,
-
shaded windows and
entrances,
-
use of daylighting
to reduce indoor electrical lighting loads, and
-
highly efficient lighting
to reduce indoor heating loads.
|
The city provides training and marketing benefits to professionals
who participate in the program. The annual Green Building Expo and
monthly lecture series provides information and resources on site
use, energy, building materials, indoor environmental quality, water,
and waste reduction. Participating architects, designers and builders
are listed in a directory, which is included in promotional materials
at public events on the city website. From 2004 - 2007, nearly
250 builders and 220 designers have participated in the program.
Qualified green building projects also receive priority in the
plan review and approval process. This means green building projects
receive building permits in two-thirds of the time as regular projects
(depending on the complexity of the project). Development and technical
assistance is also provided as a part of the process. Builders may
also utilize "Green Building Construction" job site signs to
distinguish their projects from others.
The city has included mandatory requirements for one- and two-family
dwellings and multiple single-family dwellings (townhomes and condominiums)
not more than three stories in height. Some of the required measures
include:
- Design building to be at least 15% above IECC or obtain
ENERGY STAR certification
- At least 80% of improved landscape shall be Xeriscape or
native planting
- A continuous air/thermal barrier
- Seal all penetrations and connections in building envelope
- Size space heating and cooling systems to the building's
load as calculated using ACCA Manual J or equivalent
- Install high-efficiency toilets in 50% of the bathrooms
- Fully insulate hot water pipes to a minimum of R-2 throughout
the entire home
On March 22, 2005, the city council adopted a Resolution to establish
the "Green Building LEED Gold Policy" for new city buildings
and major renovations to existing city remodels. Scottsdale was
the first municipality in the nation to adopt a LEED Gold requirement.
For more information, visit:
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On March 29, 2005, Telluride adopted an ordinance requiring all
residential new construction, additions and remodels to comply with
green building regulations. The green building requirements were
developed over a 2-year period with extensive public input.
The code is based on a point system and the required amount of points
depends on the size and type of the construction project. The code
is divided into four categories: (1) energy efficiency, (2) indoor
air quality, (3) materials, and (4) resource conservation.
All projects must also meet the Town of Telluride energy code requirements
(UCBC 1997 with local amendments). A minimum of 15% of the
total required points must come from the energy efficiency category.
Points can be accrued based on a hundred different measures in the
categories. The code is updated annually to reflect changes in building
practices and ensure its effectiveness. Currently, the code
does not apply to commercial construction.
The code is designed into two templates for residential construction.
The first outlines requirements for residential construction with
density of a triplex or less (based on square footage), and the
second applies to multi-residential construction with a density
greater than a triplex. Checklists are provided based on the two
requirements.
A Green Building Resource Guide is provided that includes background
information on the rationale for Telluride's Green Building Code,
and offers local and regional resources to obtain green building
products and services.
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