Baltimore City Council
File #: 21-0160    Version: 0 Name: Building Code - Cool Roofs
Type: Ordinance Status: Enacted
File created: 10/4/2021 In control: Baltimore City Council
On agenda: Final action: 8/21/2023
Enactment #: 23-252
Title: Building Code - Cool Roofs For the purpose of requiring newly constructed buildings and additions to existing buildings partly financed using City funds to adhere to specified roofing requirements; authorizing certain exceptions; and generally relating to the installation of Cool Roofs.
Sponsors: Mark Conway, Ryan Dorsey, Phylicia Porter, John T. Bullock, Sharon Green Middleton, Kristerfer Burnett, Zeke Cohen, Robert Stokes, Sr., Odette Ramos, Antonio Glover
Indexes: Building Code
Attachments: 1. 21-0160~1st Reader, 2. 21-0160 Fire, 3. BMZA 21-0160, 4. DGS 21-0160, 5. DHCD 21-0160, 6. 21-0160 - Planning UPDATED, 7. Law 21-0160, 8. Finance 21-0160, 9. The Nature Conservancy - 21-0160 testimony, 10. Blue Water Baltimore - 21-0160 testimony, 11. DPW 21-0160, 12. DOT 21-0160, 13. Sustainability CCB 21-0160 Cool Roofs2, 14. cc21-0160(1)~1st(RLO), 15. 21-0160~3rd Reader, 16. 21-0160 Signed, 17. Completed Ordinance 21-0160
Date Ver.Action ByActionResultAction DetailsMeeting DetailsVideo
9/18/20230 Mayor Signed by Mayor  Action details Meeting details Not available
6/12/20230 Baltimore City Council Approved and Sent to the Mayor  Action details Meeting details Not available
5/15/20230 Baltimore City Council 3rd Reader, for final passage  Action details Meeting details Not available
5/15/20230 Rules and Legislative Oversight Recommended Favorably with Amendment  Action details Meeting details Not available
5/4/20230 Rules and Legislative Oversight Recommended Favorably with AmendmentPass Action details Meeting details Not available
5/1/20230 Rules and Legislative Oversight Scheduled for a Public Hearing  Action details Meeting details Not available
12/6/20210 Rules and Legislative Oversight Scheduled for a Public Hearing  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Office of Sustainability  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Board of Municipal and Zoning Appeals  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Fire Department  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Dept. of Transportation  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Dept. of General Services  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Dept. of Housing and Community Development  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Dept. of Public Works  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Dept. of Finance  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to Dept. of Planning  Action details Meeting details Not available
10/7/20210 Baltimore City Council Refer to City Solicitor  Action details Meeting details Not available
10/4/20210 Baltimore City Council Assigned  Action details Meeting details Not available
10/4/20210 Baltimore City Council Introduced  Action details Meeting details Not available

Explanation: Capitals indicate matter added to existing law.

[Brackets] indicate matter deleted from existing law.

 

                     * Warning: This is an unofficial, introductory copy of the bill.

                     The official copy considered by the City Council is the first reader copy.

                     Introductory*

 

                     City of Baltimore

                     Council Bill          

                                                                                                                                                           

Introduced by: Councilmember Conway

                                                                                                                                   

 

                     A Bill Entitled

 

An Ordinance concerning

title

Building Code - Cool Roofs

For the purpose of requiring newly constructed buildings and additions to existing buildings partly financed using City funds to adhere to specified roofing requirements; authorizing certain exceptions; and generally relating to the installation of Cool Roofs.

body

 

By repealing and reordaining, with amendments

Article - Building, Fire, and Related Codes

Section(s) 2-103 (IBC § 1503 through 1509)

(2020 Edition)

 

By adding

Article - Building, Fire, and Related Codes

Section(s) 2-103 (IBC § 1504.9)

Baltimore City Revised Code

(2020 Edition)

 

By repealing and reordaining, with amendments

Article - Building, Fire, and Related Codes

Section(s) 10-102 (IRC § 901 through 908)

(2020 Edition)

 

By adding

Article - Building, Fire, and Related Codes

Section(s) 10-102 (IRC § 905.18)

Baltimore City Revised Code

(2020 Edition)

 

 

Section 1.  Be it ordained by the Mayor and City Council of Baltimore, That the Laws of Baltimore City read as follows:

 

                     Baltimore City Revised Code

 

 

                     Article - Building, Fire, and Related Codes

 

                     Part II.  International Building Code

 

§ 2-103                     City modifications.

 

The additions, deletions, amendments, and other modifications adopted by the City are as follows:

 

Chapter 15 .  Roof Assemblies and Rooftop Structures

 

Section 1503 {As in IBC} [Sections 1503 to 1509 {As in IBC}]

 

Section 1504   Performance Requirements

 

1504.9   Reflectance. Roof Coverings over conditioned spaces on low-slope roofs (roof slope < 2:12) on newly constructed buildings and additions to existing buildings shall be Energy Star rated as highly reflective.

 

Exceptions:

 

1.                     An addition to a roof that supports living vegetation and includes a synthetic, high quality waterproof membrane, drainage layer, soil layer, and lightweight medium plants.

 

2.                     Roof areas used as outdoor recreation space by the occupants of the building.

 

3.                     An area including and adjacent to rooftop photovoltaic and solar thermal equipment, totaling not more than 3 times the area that is covered with photovoltaic and solar thermal equipment.

 

4.                     Limited roof areas as determined by regulations promulgated by the Department of Housing & Community Development.

 

5.                     A roof, the area of which is less than 3% of the gross floor area of the building.

 

Sections 1505 to 1509 {As in IBC}

 

Baltimore City Revised Code

 

Article - Building, Fire, and Related Codes

 

Part X.  International Residential Code

 

§ 10-102                     City modifications.

 

The additions, deletions, amendments, and other modifications adopted by the City are as follows:

 

Part III - Building Planning and Construction

Chapter 9 .  Roof Assemblies

 

Sections  901 to 904 {As in IBC} [Sections 901 to 908 {As in IRC}]

 

Section  905                     Requirements for Roof Coverings

 

905.1 to 905.17 {As in IRC}

 

905.18 Reflectance. Roof Coverings over conditioned spaces on low-slope roofs (roof slope < 2:12) on newly constructed buildings and additions to existing buildings shall be Energy Star rated as highly reflective.

 

Exceptions:

 

1.                     An addition to a roof that supports living vegetation and includes a synthetic, high quality waterproof membrane, drainage layer, soil layer, and lightweight medium plants.

 

2.                     Roof areas used as outdoor recreation space by the occupants of the building.

 

3.                     An area including and adjacent to rooftop photovoltaic and solar thermal equipment, totaling not more than 3 times the area that is covered with photovoltaic and solar thermal equipment.

 

4.                     Limited roof areas as determined by regulations promulgated by the department of housing & community development.

 

5.                     A roof, the area of which is less than 3% of the gross floor area of the building.

 

Sections  906 to 908 {As in IRC}

 

Section 2.  And be it further ordained, That this Ordinance takes effect on the 30th day after the date it is enacted.