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Montgomery County Building Codes and Standards

 

 Executive Regulation 21-15 AMII

County Council adopts the International Green Construction Code (IgCC)

Effective on December 27, 2017

Adoption of the 2012 International Green Contruction Code, with amendments which supercedes Executive Regulation 19-07AM - Method 2 and Proposed Bill to amend Chapter 8, Article VII

Bill 19-17

Repeal of Buildings Energy Efficiency and replaced with ER 21-15 AMII

Executive Regulation 6-16 

Adoption of the 2014 National Electrical Code with Local Amendments

SUMMARY: Executive Regulation 6-16 adopts the 2014 NEC with local amendments effective on July 1, 2016.  The code will be required for all permits effective October 3, 2016.

MCER NO. 4-15AMII
Adoption of the 2015 International Building, Existing Building, Energy Conservation,  Mechanical, Fuel-Gas, Residential, and Swimming Pool and Spa Codes

SUMMARY: County Council passed Resolution 18-218 for the Approval of Executive Regulation 4-15AMII, Adoption of the 2015 International Building, Energy Conservation, Mechanical, Fuel- Gas, Residential Code, Swimming Pool and Spa Codes and the 2012 International Existing Building Code. 

 

Building Codes and Standards

 

The Executive Regulations (also known as Local Amendments) are available in Adobe PDF format. To view or print a copy of the Executive Regulations please click on the appropriate ER number in the table below. For information on previous codes and standards  please click on the link near the bottom of this page. For Code Interpretation Policies please click on the appropriate policy in the table at the very bottom of this page. For information not covered here please call 311 or 240-777-0311 if outside Montgomery County.

 

CODE

CODE/EDITION

EXECUTIVE REGULATIONS  

EFFECTIVE DATE

Accessibility

COMAR 05.02.02, ADAAG & FHAG

 State Adoption

01-01-2012

Commercial Building

 

 

ICC International Building Code/2015

ER 4-15 AMII

08-03-2015

MBRC Maryland Building Rehabilitation Code

IgCC 2012 Green Building Code

 State Adoption

 

ER 21-17 AMII                

04-01-2013

 

12-27-2017

 

Commercial Fuel Gas

ICC  International Fuel Gas Code/2015

 

ER 4-15 AMII

 

 

08-03-2015

 

Commercial Mechanical

 

ICC  International Mechanical Code/2015

ER 4-15 AMII

 

08-03-2015

 

Electrical

NFPA 70 National Electrical Code/2014

ER 6-16

07-19-2016

Energy Conservation

 ICC International Energy Conservation Code/2015

 ER 4-15 AMII

 

08-03-2015

 

Fire Alarm

NFPA72/2013

ER 7-16 

08-1-2016

COMAR NFPA72/2013

State Adoption Fire Prevention Code

01-01-2016

Life-Safety

NFPA1 & 101/2015

ER 8-16 

08-1-2016

COMAR NFPA101/2015

State Adoption Fire Prevention Code

01-01-2016

Plumbing & Gas

WSSC Plumbing Code

 NA

07-10-2015

Residential Building & Mechanical

 ICC  International Residential Code/2015

 ER 4-15 AMII

 

08-03-2015

 

MBRC Maryland Building Rehabilitation Code

 State Adoption

04-01-2013

Residential Sprinkler

NFPA13D/2013

ER 7-16

 

08-01-2016

COMAR NFPA13D/2013

State Adoption Fire Prevention Code

01-01-2016

Commercial Sprinkler

NFPA13R/2013 NFPA13/2013

 ER 7-16

01-08-2016

COMAR NFPA13R/2013 COMAR NFPA13/2013

State Adoption Fire Prevention Code

01-01-2016

 

 *MBRC applies to a building or structure that was erected and occupied or issued a certificate of occupancy at least 1 year before a construction permit application for that building or structure was made to a local jurisdiction.

 

 **Applies to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location,removal and demolition of one- and two-family dwellings and townhouses not more than three stories above grade plane in height with separate means of egress and their accessory buildings/structures.

 

Residential Construction Design Parameters

Ground Snow Load

Wind Speed

Seismic Design Category

Subject To Damage From

Weathering

Frost Line Depth

Termite

Decay

30 PSF
(1.4 kN/m²)

115 mph
(185 km/hr)

B

Severe

30 in
(610 mm)

Moderate to heavy

Slight to moderate

Winter Design Temp.

Ice Shield Underlayment Required

Flood Hazards

Air Freezing Index

Mean Annual Temp.

13°F(-10.6°C)

Yes

July 2, 1979

300

55°F(12.8°C)

 

 

 

Commercial Construction Design Parameters

Ground

Snow

Load (psf)

Risk

Category

Ultimate Design Wind Speed (mph)

Nominal Design Wind Speed (mph)

Mapped Spectral Response Accelerations Expressed as a Percentage of Gravity

 

Wea-thering

 

Frost

Depth

(in)

      Ss

       S1

 

      30

          I

      105

      82

 

    12.5

 

     5.5

 

Severe

 

  30

         II

      115

      89

    III & IV

      120

      93

  

 Link to 2012 IgCC (International Green Construction Code)

 

Previously Adopted Codes

 

Building Code Interpretation Policies

Low Voltage Systems BCP11-01
Basement Ceiling Height BCP11-02
Reliable Power Source BCP11-03
Required Permits For Hot Tubs and Spas BCP11-04
Permits for Inflatable Pools BCP11-05
Permits for Metal Storage and Sea Containers BCP11-06
Permits for Tents BCP11-07
Kitchen Hoods for Places of Worship/Day Care BCP11-08
Computer Room Ventilation BCP11-09
Final Inspections for Expired Residential Permits BCP11-10
Green Building Additions BCP11-11
Partial Framing Inspection for Low Framing BCP11-12
Pool Barriers Constructed With Welded Wire Mesh BCP11-13
Residential Smoke Alarms BCP 13-01

 

 
Last edited: 1/24/2012