Miami Beach Resiliency Code CC Workshop 10-12-2022 PresentationMiami Beach Resiliency Code
City Commission Workshop –October 12,2022
Perkins&Will
Plusurbia Design
Gelabert-Sanchez & Associates
Nancy E. Stroud, PA
Coastal Systems International
Miami Beach Planning Department
Process -Consultation
Focus Group Meetings:
•Homeowner Associations: May 27, 2021
•CMB Chamber of Commerce,CMB Convention Center &GMCVB,LUSC: June 2, 2021
•HPB –MDPL,DRB,Land Use Attorneys: June 3, 2021
•Landowner and Developer,PB &BOA-Board Members,Architects: June 10, 2021
•Miami Beach Chamber of Commerce: February 10, 2022
LUSC:June 1 &July 7,2022
Community Meeting/Planning Board Workshops:June 3 &June 17,2022
Planning Board Transmittal: July 26, 2022
City Commission First Reading: September 14, 2022
Resiliency Standards
Unified Standards
•Citywide Resilience, Sustainability, and
Mitigation Standards have been
consolidated in this Chapter.
•Resilience and Mitigation Standards are
most prominent in this Chapter.
•Most Vertical Elevations tied to BFE to allow
code to remain up-to-date as standards
change, as opposed to Grade.
•Incorporated Green Building Standards
into this Chapter.
•Created section for Original Green
Standards.
•Provides Frontage Design Guidelines.
RESILIENCE
Chapter 7 –ZONING DISTRICTS AND REGULATIONS
1.GENERAL TO ALL ZONING DISTRICTS
1.Intent
2.Resilience and Adaptation Standards
1.Purpose
3.Resilience and Adaptation Standards for Buildings
a.Purpose
b.Subterranean Level Standards for Buildings
c.Understory Level Standards for Buildings
d.Residential First Habitable Level (FHL)Standards
e.Nonresidential First Habitable Level (FHL)Standards
4.Resilience and Adaptation Standards for Exterior Building and
Lot
a.Purpose
b.New Construction
5.Sea Level Rise and Resiliency Review Criteria
a.Criteria
3.Environmental Mitigation Standards
1.Purpose
2.Green Building
a.Original Green Standards
b.USGBC or International Living Future Institute Based
Standards
4.Frontages
1.Purpose
2.Frontage Standards
Resiliency Components
Non-Residential Ground Floor Standards
Support Existing Long and Short Frontage Standards with exhibits.
RESILIENCE
Increase minimum non-residential ground floor
height from 12 feet to 14 feet above DFE.
BENEFITS
•Long life,loose fit
•Tall ceilings are attractive to retailers
and users
•Taller ceilings allow for warm air to rise and
provide a more comfortable interior
•Does not affect maximum height of building.
Resiliency Components
Long Frontage Standards.Short Frontage Standards
RESILIENCY
These standards illustrate how building
frontages ought to be designed in order to
accommodate sea level rise adaption while
providing for a walkable pedestrian realm.
Frontage Standards
Resiliency Components
Resiliency Components
Single Family Residential Districts (RS)-Yard Elevations
RESILIENCE
Excerpt from Code
Elevation Regulation Current Requirement Proposed Requirement
All Min. Elevations 5' NAVD (6.5' NGVD)Future Adjusted Grade
= 5.57' NAVD (7.13 NGVD)0.57'6.8''
Max. Front Yard Elevation Greater of Adjusted Grade or 30" above Grade or
Future Adjusted Grade ≈ 5.57' NAVD (7.13' NGVD)
Base Flood Elevation
= 6.44' NAVD (8' NGVD)0.87'10.4''
Max. Side,
Facing a Street Yard Elevation
Greater of Adjusted Grade or 30" above Grade or
Future Adjusted Grade ≈ 5.57' NAVD (7.13' NGVD)
Base Flood Elevation
= 6.44' NAVD (8' NGVD)0.87'10.4''
Max. Side,
Interior Yard Elevation
30" above Adjusted Grade
≈ 7.22' NAVD (8.78' NGVD)*
Base Flood Elevation plus One Foot
= 7.44' NAVD (9' NGVD)*0.22'2.6''
Rear Yard - Non Waterfront 30" above Adjusted Grade
≈ 7.22' NAVD (8.78' NGVD)*
Base Flood Elevation plus One Foot
= 7.44' NAVD (9' NGVD)*0.22'2.6''
Rear Yard - Waterfront Base Flood Elevation plus Freeboard
= 11.44' NAVD (13' NGVD)
Base Flood Elevation plus Maximum Freeboard
= 11.44' NAVD (13' NGVD)0.00'0.0''
Adjusted Grade (Assumed) = 4.72 NAVD (6.28 NGVD)
Difference
Grade (Assumed) = 2' NAVD (3.56' NGVD)
Future Adjusted Grade (Typical) = 5.57' NAVD (7.13 NVGD)
* Maximum Elevation can be reduced slightly depending on the elevation of adjacent non-vacant parcels.
Proposed Changes to Single Family Yard Elevations
Single Family Residential Districts (RS)–Understory Homes
RESILIENCE
•Currently allowed with DRB approval.Proposal
allows for understory homes to be approved
administratively if no variances or waivers are
requested.
•Allows an additional 3 feet in height for understory
homes.31 feet for flat roofs (previously 28 feet)
and 34 feet for sloped roofs (previously 31 feet).
•Height is intended to make the understory more
useable,facilitate comfortable living spaces
above,and increases resilience of single-family
homes.
•Currently understory homes seek waivers to
reduce yard elevations and variances for height,
which are not encouraged.
Resiliency Components
Excerpt from Code
Resiliency Code Update
Summary
Code Structure
Chapter 1.General Provisions
Chapter 2.Administration and Review Procedures
Chapter 3.Concurrency Management and Mobility Fees
Chapter 4.Landscape Requirement
Chapter 5.Off-Street Parking
Chapter 6.Signs
Chapter 7.Zoning Districts and Regulations
Chapter 1.General Provisions CLARITY,SIMPLICITY
Simplify the navigability of definitions in
the Code and clarify roles and processes.
•Consolidate all definitions in Chapter 1
•Organize definitions by type
•Align use definitions categories with use tables
in Districts
•NEW:
•Some new definitions added
•(e.g.gross floor area,terrace,porch,
Neighborhood Impact Lot, &
Neighborhood Impact Structure)
•Consolidation of use definitions (e.g.
administrative office,professional office,
business office)
•Updated graphics
Chapter 2.Administration and Review Procedures
Update,standardize and clarify procedural
requirements.
•Created a new annual 4-time per year zoning cycle,with the ability to waive.
•Created a new process and standards for commission warrants,which can allow modifications up to
25%from design parameters for specific projects,in order to minimize the need for future code
amendments and provide better control of development proposals.
•Created a new Conditional Use criterion for pedestrian safety and comfort.
•Provided for the ability of the City Commission to grant a waiver of applicable fees for Code
Amendments based upon a finding of the Commission that the amendment is has unique
circumstances.Currently the City Commission can only grant a fee waiver if it is requested by a non-profit
organization,neighborhood association,or homeowner's association for property owned by any such organization or
association.All other fee waiver requests for Code amendments must first be recommended by the City Manager.
•No changes to historic preservation regulations.
CLARITY,CONSISTENCY
Chapter 3.Concurrency Management and Mobility Fees
No major changes proposed
CONSISTENCY
Chapter 4.Landscape Requirements
Modify requirements to promote shade trees
and drought and salt tolerant species suitable
for Miami Beach.
•Add minimum soil volumes
•Expand requirements for drought
and salt tolerant species
•Increase stormwater permeability
in parking lots
RESILIENCE
Permeable surface in parking lot.Source:BIMsmith.com
Chapter 5.Off-street Parking
Simplify parking requirements.
•All existing parking requirements have been
maintained, while re-organized into tiers.
•Re-organize parking requirements into tables
•Organize 9 parking districts into 3 parking tiers
•Tier 1 –former district 1 –standard
requirements
•Tier 2 –former districts 5,6,7 and 9 –
intermediate parking requirements
•Tier 3 –former districts 2,3,4 and 8 –lowest
parking requirements
•Expand applicability of bike parking
requirements city-wide
•New regulations for the repair of
nonconforming parking lots.
RESILIENCE,SIMPLICITY
Existing Parking Districts Proposed Parking Tiers
Chapter 6.Signs
Simplify and clarify requirements
and review responsibilities.
•Clarify sign review
responsibilities
•Add sign definitions and
graphic exhibits
•Standardize requirements
•Reorganization for
readability
CLARITY,CONSISTENCY
Minimum Unit Sizes
CLARITY, SIMPLICITYChapter7.Zoning Districts and Regulations
•Provides consolidated minimum unit size
regulations, unless otherwise specified in a
respective zoning district.
•Removes average unit size calculations to simplify
code requirements and to make projects less
exclusionary.
•Maximum allowable density requirements are still
applicable and do not change.
U ses
CLARITY
Create clear Uses tables in each zoning district.
Chapter 7.Zoning Districts and Regulations
CLARITY,SIMPLICITY
•Restructure development regulations into tables for all zoning districts.
•Consistent structure in all districts.
•Utilize tables and graphics to simplify code structure.
7.2.9 RO –DEVELOPMENT REGULATIONS
Development Regulations
Chapter 7.Zoning Districts and Regulations
7.1.8 Prohibited Uses (formerly Section 142.1)
•Relocated Prohibiting Gambling and Casinos to Prohibited Uses to this section.*
•Relocated ‘Assisted living facilities and medical uses’to supplementary use section.*
•Relocated prohibiting ‘Rentals of Mopeds,Motorcycles and Motorized Bicycles,as well as prohibiting
‘Neighborhood and Retail Fulfilment Centers’to this section.*
7.2 All Districts
•Include residential density limits from the Comprehensive Plan in each zoning district,including
affordable and workforce housing bonuses.
7.5.4 Supplementary Use Regulations
•Clarified that the landing of or storage areas for helicopter,or other aircraft pads are only allowed in the
HD District.
Development Regulations
Chapter 7.Zoning Districts and Regulations CLARITY,SIMPLICITY
The following changes were made subsequent to First Reading of the Code:
•Chapter 2:Administration and Review Procedures
o Section 2.1.5.2 is amended to include a registered architect as a required membership category
on the Board of Adjustment.
•Chapter 7:Zoning Districts and Regulations
o Section 7.2.2.3 pertaining to lot split regulations for single family lots was amended to be
consistent with State Law.
o Section 7.2.2.4 was further amended regarding the demolition procedures for single family
homes to be consistent with State Law.
o Section 7.2.2.6 pertaining to the 40th Street religious institution overlay,was amended slightly to
allow existing parking spaces on a property to be discontinued,provided that there is one or
more public parking lot(s)and/or garage(s)within 500 feet of the subject property.In the event
that the religious institution should convert back to a single-family residence,the previously
discontinued parking spaces would need to be re-activated.
Changes Since First Reading
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