IECC 2012

Standard 90.1 2010

Lee Brandt, LC, IALD, LEED AP BD+C

Principal

HLB Lighting Design

Update on:

Codes in use as of 1/1/2015

Changes from IECC 2009 to 2012 (Commercial)

Changes from Std. 90.1 2007 to 2010 (“Commercial”)

NY State amendments to the base codes

NY City amendments to State items and base codes

2010 ECCCNYS [Energy Conservation Construction Code of New York State]

IECC 2009

Standard 90.1 2007

2011 NYCECC [ New York City Energy Conservation Code] [Local Law 1 2011]

LL48 2010 (occ/vac sensors)

LL86 (2005) (LEED Silver for City funded buildings)

NYS Residential Energy Code

2010 ECCCNYS

IECC 2009

NYC unchanged until NYS changes

NYS Commercial Energy Code

2014 Supplement to the New York State Energy Conservation

Construction Code

Reference Standards:

IECC 2012 / Standard 90.1 2010 (alternate path)

NYC Energy Conservation Code

Modifications to the State supplement

NYS

http://www.dos.ny.gov/dcea/energycode_code.html

NYC

http://www.nyc.gov/html/dob/html/codes_and_reference_materi

als/nycecc_main.shtml

Effective Date 1/1/15

Changes in IECC 2012 & Standard 90.1 2010

LPD’s decreased – both codes

IECC Space by Space is back

IECC’s Mandatory Additional Efficiency Package Options

15% under Building Area LPD’s

Alterations

IECC = 50% threshold

Standard 90.1 = 10% threshold

NYS Amendments

IECC – improved exterior control requirement language

IECC – improved track and busway language and wattages to

use

IECC – slightly altered language for dwelling units within

commercial buildings

90.1 - Made some Mandatory control and power requirements

Prescriptive

NYC Amendments

90.1 – Dwelling Units within commercial buildings now have to

comply!!!

Reference IECC language

IECC and 90.1 – incorporated LL48 language on occupancy

and vacancy sensors.

NYS - IECC 2012 Prescriptive Efficiency Options

NYS - IECC 2012 Performance Building energy cost < 85% of reference building

NYS – IECC 2012 Environmental Trade Off

Std. 90.1 2010 Prescriptive

Std. 90.1 2010 Performance (2 paths)

Std. 90.1 2010 Environmental Trade Off

New York City

NYS - IECC Performance

Path removed

IECC 2012 – SECTION

Mandatory or Prescriptive

Code Requirement

more

STD. 90.1 - SECTION

Mandatory or Prescriptive

Code Requirement

more

New York State AND/OR New

York City Amendments

In these special boxes

IECC 2012 – C402.3.1

Prescriptive:

30% Max OR

40% Max when

>50% conditioned floor area

in daylight zone

Automatic daylighting controls

installed

Certain VT requirements

STD. 90.1 - 5.5.4…

Prescriptive

40% (5.5.4.2.1) (No change

from 2007)

Limits fenestration on East &

West facing walls (5.5.4.5)

Benefits of daylighting = 0

Use Performance Paths!

IECC 2012 – C402.3.2

Prescriptive: Directly under roof w/ ceiling

>15’

Spaces > 10,000 sq ft

Certain space types

Daylight zone / area requirements associated with Skylights Multi-level lighting controls

(C405.2.2.3.3)

STD. 90.1 - 5.5.4.2.3

Prescriptive:

Building < 4 stories

Spaces > 5,000 sq ft

Certain space types

Daylight zone / area requirements associated with Skylights

Multi-level lighting controls (9.4.1.5)

IECC 2012

No requirements

STD. 90.1 – 8.4.1

Mandatory:

2% for feeders

3% for branch circuits

New York State & NYC

PRESCRIPTIVE rather than

mandatory

IECC 2012

No requirements

STD. 90.1 – 8.4.2

Mandatory:

50% in offices (private and

open) and computer

classrooms

New York State & NYC

PRESCRIPTIVE rather than

mandatory

IECC 2012 – C405.1

> 75% of permanently installed light fixtures shall use high efficacy lamps

Does not include low voltage lighting!

High Efficacy =

CFL

<T8 linear fluor

>60 lumens / watt for > 40 watt lamp

STD. 90.1 – 9.1

Excepted

New York City

DWELLING UNITS ARE NOT

EXCEPTED!! They do not have

to apply with Lighting Section if

they meet IECC language

IECC 2012 – C405.7

Individual dwelling units shall

have separate meters

STD. 90.1 – N/A

IECC 2012 – C101.4.3

Exception for <50%

replacement of luminaires in

a space as long as power is

not increased

Replacement of lamps +

ballasts ok if LPD not

increased

STD. 90.1 – 9.1.2

Exception for <10% of

connected lighting load such

that LPD is not increased

All other alterations must

comply with LPD and auto

shutoff (9.4.1.1)

Including lamps + ballasts

IECC 2012 – C405.2.2.1

Automatic Time Switch

controls shall be installed

Exception for areas with

occupancy sensors.

STD. 90.1 – 9.4.1.1

Automatic Controls to shut

off interior lighting shall be

installed

Time of day

Occupant sensor

Signal from other system

indicating unoccupied space

IECC 2012 – C405.2.1

Manual lighting controls

required in all areas (some

exceptions)

50% reduction in each area

No change from IECC 2009

Important exceptions

STD. 90.1 – 9.4.1.2

Manual lighting controls required in all spaces (some exceptions)

Each area with manual control shall have one control step between 30 and 70% in addition to off.

Can be accomplished with dimming, step ballast, zoning

IECC 2012 – C405.2.2.2 Mandatory – Required in:

Classrooms

Conference / Meeting Rooms

Employee lunch and break rooms

Private offices

Restrooms

Storage Rooms

Janitorial Closets

Spaces< 300 sq. ft

Auto-off within 30 min

Manual or Auto ON Auto ON only if <50% power or OK for 100%

on in corridors, stairwells, restrooms, entrance areas, and lobbies

STD. 90.1 – 9.4.1.2 Mandatory – Required in:

Classrooms / Lecture Halls

Conference / Meeting / Training Rooms

Employee lunch and break rooms

Offices up to 250 sq ft

Restrooms

Storage and Supply rooms (50 – 1000 sq ft)

Copy/Print rooms

Dressing / Locker / Fitting Rooms

Auto-off within 30 min

Manual or Auto ON Auto ON only if <50% power or OK for

100% on in corridors, stairwells, restrooms, entrance areas, and lobbies

New York City amendments

LL48 – next slide

NYC – affects both NYS / IECC and Std. 90.1

Mandatory – Vacancy Sensors – manual on, auto off. (No override that can change them to auto on.) Required in: Classrooms (not shop, lab, or

preschool)

Conference / Meeting Rooms

Employee lunch and break rooms

Private offices <200 sq .ft.

There can be a 30 second grace period to for sensor to turn lights back on automatically if occupancy is detected

Auto-off within 30 min

Mandatory – Occupancy Sensors – auto on,

auto off. Required in:

Restrooms

Storage Rooms

Private offices >200 sq. ft.

Janitorial Closets

Spaces< 300 sq. ft

AUTOMATIC ON SHALL NOT TURN ON

MORE THAN 50% POWER

Full (100%) on allowed in public corridors,

stairways, restrooms, entries and lobbies &

where determined manual on would be safety

issue

IF MANUAL-ON, FIXTURES CAN COME

ON TO 100%

IECC 2012 – C405.2.2.3 Mandatory

Independent control via

Manual control OR

Automatic control with

continuous or stepped

dimming (optional unless

increased WWR C402.3.1)

Daylight control zone <2,500 sq

ft area

STD. 90.1 – 9.4.1.4 Mandatory

Separate control via

Automatic control with

continuous or stepped

dimming (3 steps required)

Primary sidelighted areas >250

sq ft

Toplighted areas > 900 sq ft

New York State & NYC

Changes sidelighting requirements to

PRESCRIPTIVE. (Toplighting remains

mandatory)

STD. 90.1IECC

Daylighting Zone

Depth = 15’

Width = window width +2’

on each side

Or to nearest partition

Primary Daylight Zone

Depth = Window Height

(floor to header)

Width = window width +2’

on each side

Or to nearest partition

STD. 90.1IECC

http://lightingcontrolsassociation.org/

STD. 90.1IECC

Daylighting Zone

Area = skylight dimension +

floor to ceiling height

Or nearest partition

Or half way to adjacent

skylight or vertical

fenestration

Toplighting Zone

Skylight area + 0.7 x ceiling

height

Or to nearest obstructing

partition

Or to sidelighted zone

STD. 90.1IECC

http://lightingcontrolsassociation.org/

STD. 90.1 - 9.4.1.6IECC - C405.2.3

Mandatory - Same as IECC

2009 – Dedicated control for

Display/Accent, Case, Guest

Rooms, Task, Non-visual and

Demonstration

Mandatory - Same as 90.1

2007 – Dedicated control for

Display/Accent, Case, Guest

Rooms, Task, Non-visual and

Demonstration

New: Stairwells =

automatically reduce lighting

to 50% power within 30 min of

inactivity

IECC 2012 – C405.2.4 Mandatory – controlled via

photosensor and time switch OR

astronomical time switch.

STD. 90.1 – 9.4.1.7 Mandatory – automatic control to

keep lights off when sufficient

daylight available

Façade and landscape lighting

Auto shut-off b/t midnight or business

closing and 6am or business opening

All other exterior lighting including

signage shall be controlled

automatically to reduce connected

load by 30%

From midnight to 6am (or within one

hour of business close / open)

Any period of inactivity > 15 min

New York State and NYC

Use Standard 90.1 2010 language

DOE Lighting Development, Adoption and

Compliance Guide

Std. 90.1 only – 9.4.1.3

Daylight

Transition

Zone

Daylight

Transition Zone20’ Daylight Control Zone

3,600 sq ft max control

zone

Mandatory – Garage must have automatic

shut off controls (9.4.1.1)

Occupancy sensor to decrease power of each luminaire by 30%

<3600 sq ft zone

Daylight transition zone, separate control – auto on at daylight, off at sunset

Daylight responsive lighting zone within 20’ of perimeter wall

IECC 2012 - C408.3 STD. 90.1 – 9.4.4

No change, still required

STD. 90.1 – N/AIECC - C405.3

New York State & NYC

Requirement is deleted

Reduced LPD’s from 2009

Space by Space table is

back!

Includes some wattage for

decorative fixtures

No decorative allowance

STD. 90.1 – 9.5 AND 9.6IECC - C405.5.2

Reduced LPD’s from 2007

Added Room Cavity Ratio

allowance for tall and unique

shaped rooms

STD. 90.1 – TABLE 9.6.2IECC – N/A

Additional control methods –

in addition to Mandatory

controls = extra wattage

Specific conditions and

applications

NYS and NYC prescriptive

items on controls may help

here!

Efficacy of luminaire >60

lumens / watt for all fixtures

>100 watts

Unless controlled by motion

sensor

STD. 90.1 – N/AIECC - C405.6.1

New York State & NYC

Requirement is deleted

New table

Lighting Zones

Tradable / Non-tradable

Matches Std. 90.1

STD. 90.1 – 9.4.3IECC - C405.6

Same table as Addendum I

to Std. 90.1 2007

Lighting Zones

Has LZ0

Tradable / Non-tradable

STD. 90.1 – 9.4.2IECC - C405.4

Internally illuminated <5

watts per face

Internally illuminated <5

watts per side

IECC 2012 – C406 Mandatory for New Construction (?)

Additional Efficiency Package

Options! Project must chose 1

Efficient HVAC equipment ($$)

Efficient Lighting System

On-site renewable energy ($$$$$)

Lighting may be the common choice

Building Area Type table with 15%

reduction

STD. 90.1 No requirement

Changes in IECC 2012 & Standard 90.1 2010

LPD’s decreased – both codes

IECC Space by Space is back

IECC’s Additional Efficiency Package Options

15% under Building Area LPD’s

Alterations

IECC = 50% threshold

Standard 90.1 = 10% threshold

NYS Amendments

IECC – improved exterior control requirement language

IECC – improved track and busway language and wattages to

use

IECC – altered language for dwelling units within commercial

buildings

90.1 - Made some Mandatory control and power requirements

Prescriptive

NYC Amendments 90.1 – Dwelling Units within commercial buildings now have to

comply!!!

IECC language

IECC and 90.1 – incorporated LL48 language on occupancy and vacancy sensors.

IECC’s Additional Efficiency Package Options 15% under Building Area LPD’s

Lee Brandt, LC, IALD, LEED AP BD+C

Principal

HLB Lighting Design