Energy Code Update Key Points Adoption of the new Energy Code will be impacting projects and...
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Transcript of Energy Code Update Key Points Adoption of the new Energy Code will be impacting projects and...
Energy Code UpdateKey Points
• Adoption of the new Energy Code will be impacting projects and specifications in Montana.
• Newly adopted energy codes have slightly different requirements, so be aware!
• Northern Rockies Agency does it’s utmost to help keep our partners on top of code requirements and developments for their projects.
DE
CA
AK
OR
WA
AZt*
UT
WY
MT
SD
NEt
COt*
NM
TX
OK
KS
IA
MN
WI
ILt
MOt
AR
LA
MS GA
FL
SC
NC
VAKY
IN
MI
OH
PA
NY
VTt
NH
ME
MACT
MDNVt
NJ
ID
ND*
TN*
WV*
As of July 2004
AL
RI
HI*
Commercial Energy Codes Status
Mandatory statewide code including state-owned buildings
(15)(1)(10)
(16)
ASHRAE 90.1-1989State developed code does not meet 90.1-1989
Weaker/None
ASHRAE 90.1-1999 or equivalent state code adoption or in adoption process.
2003 IECC / ASHRAE 90.1-2001(9)
* Code implementation depends upon voluntary adoption by local jurisdictions. t 90.1 Mandatory for state owned buildingsNOTE: This map should be used in conjunction with BCAP’s Status of the State newsletter. Go to bcap-energy.org to view current newsletter.
DC
Building Codes Assistance ProjectCommercial Map 7/7/04
NH
CT
SC
2003 IECC
In December of 2004, Montana will begin In December of 2004, Montana will begin the enforcement of the 2003 International the enforcement of the 2003 International Energy Conservation Code (2003 IECC). Energy Conservation Code (2003 IECC).
What is this going to mean to you?What is this going to mean to you?
Missoula will be Missoula will be enforcing the 2003 enforcing the 2003 IECC as of Dec.3, IECC as of Dec.3,
20042004
Lighting SystemsScope
• Applies to the design of:
– First installed lighting systems in conditioned or unconditioned spaces
– Altered systems as part of alteration– Altered system that increases the
lighting load if change of occupancy– Exterior lighting systems
2003 I.E.C.C.2003 I.E.C.C.
IECC 2003 Ltg. Control Content
805.2 Lighting controls805.2.1. Interior Ltg Controls805.2.2. Additional Controls
Light Reduction Controls Automatic Shutoff Guestrooms
805.2.3. Exterior Ltg Controls
IECC 2003
Interior Lighting Requirements:
Interior Lighting Power Requirements
Partial Building
Mandates: - Controls - Switching - Wiring
Entire Building
InteriorInterior
IECC 2003 Interior lighting controls
• At least 1 manual control for each area enclosed by walls, or ceiling height partitions
• Must be located in the space• Remote location OK if
– the switch identifies the lights being controlled and– indicates status
Exceptions• Areas that must be continuously lit• Spaces part of means of egress (stairway, corridor, etc.)
InteriorInterior
IECC 2003
Additional Controls
• Additional controls for each area required to have a manual control
• Additional controls include:– Light Reduction Controls, and– Automatic shut-off, and– Guestroom controls (when suits application)
Exceptions– Areas with 1 luminaire– Areas controlled by occupancy sensors– Corridors, storerooms, restrooms, public lobbies
InteriorInterior
IECC 2003
Light Reduction Controls
• 50% load reduction via the following:– Controlling all lamps or luminaires (Dimming – Daylighting)
– Dual switching of alternate rows, luminaires, or lamps– Switching independent lamps within a luminaire– Switching each luminaire or lamp
Exceptions:
• Areas with 1 luminaire
• Areas controlled by occupancy sensors
• Spaces that use < 0.6 W/ sq. ft
• Corridors, storerooms, restrooms, public lobbies, guestrooms
InteriorInterior
Bi-Level Switching• Compliance Examples
Example: Alternate Lamps (a/b)
SS
Example: Dimmer Control Option
Dimmer Switch
D
Exempted area IECC 2003
Ltg for 24-hr operation √Areas controlled by occupancy sensor
√
Corridors, storerooms, public lobbies
√
Areas with 1 luminaire √
Automatic Shut off ExceptionsAutomatic Shut off Exceptions
Exterior Lighting Requirements:
Mandatory Requirements: - Controls
Exterior Lighting Requirements: - Energy Efficient Sources - Use Load Shedding Devices
2003 IECC2003 IECC
• Automatically Turn Lights off During Daylight Hours– Photo Cell– Automatic Time Switches
• Seven Day/Seasonal Daylight Program
• 4 hour Minimum Backup
– Exception• Lights Intended for 24-hour
Operation
2003 IECC2003 IECCExteriorExterior