4+ units - Site Planning

Including Multi-Family in Urban Design – LRK University – Practices for Better Concept Master Plans

What is Multi-Family? Any building that contains more than a single family dwelling. • • • • • • •

A residential product type: townhouse, flat. An ownership type: condo or rental. Part of a mixed-use building (with retail, office, etc.) A land use zone that can be regulated. A type of developer. A market sector. Subject to Accessibility standards. Including Multi-Family in Urban Design

PRODUCT TYPES

Including Multi-Family in Urban Design

Duplexes & Triplexes Westbury Portsmouth ,VA

Including Multi-Family in Urban Design

Attached Townhouses 4+ units Buffalo Bayou, Houston, TX

Including Multi-Family in Urban Design

Townhouse over Flats (Tuck-under) Downtown Celebration Condos Celebration, FL

Including Multi-Family in Urban Design

Mansion Apartment Buildings 6-Unit Building Westbury, Portsmouth ,VA

Including Multi-Family in Urban Design

Garden Apartments Walk-up 2 to 3 stories – 6-8 units/floor Jefferson Woods Vienna, VA

Including Multi-Family in Urban Design

Elevator Loaded Elevators when over 3 stories Gables West Village Dallas, TX

Including Multi-Family in Urban Design

Urban Courtyards w/Garage Echelon at the Ballpark Memphis, TN

Including Multi-Family in Urban Design

Podium Gables River Oaks ZOM Allen Parkway Houston, TX

Including Multi-Family in Urban Design

Mid-Rise 5-8 stories Gables Tennis Center Houston, TX

Including Multi-Family in Urban Design

High-Rise 9+ stories Paramount Orlando, FL

Including Multi-Family in Urban Design

UNIT COUNTS & DENSITY

Including Multi-Family in Urban Design

Do the Math! And show it to the client! It’s all about Parking.

Including Multi-Family in Urban Design

Including Multi-Family in Urban Design

Including Multi-Family in Urban Design

Including Multi-Family in Urban Design

Unit Mixes Rental • 40% 1-br • 50% 2-br • 10% 3-br or Studio

Condo • 60% 2-br • 35% 3-br • 5% 4-br Including Multi-Family in Urban Design

Average Unit Sizes Rental (ave. 1050sf net) • • • •

Studio = 450 – 900sf 1br = 750 – 950sf 2br = 850 – 1300sf 3br = 1150 – 1450sf

Condo (ave. 1400sf net approx.) • 2br = 1100 – 1450sf • 3br = 1350 – 1800sf • 4br = 1750 – 2400sf Including Multi-Family in Urban Design

GSF vs. NSF Gross – All inclusive, except outdoor area Net – Outside of unit walls, not common areas Efficiency – Aim for 80% or higher Net leaseable area – Income on Pro Forma Porches – Gross unit area, sometimes leaseable Vertical & horizontal circulation, services, chases & utilities – Part of efficiency factor Including Multi-Family in Urban Design

Parking Ratios Rental - 1.8 suburban, 1.5 urban on ave. Condo – 1/bedroom (almost always 2.0+) Urban discount – Public transit: 1.0-1.5/unit Shared Parking – Up to 10% less On-Street Parking – Urban loc. often not counted Distribution – Colored plan; check walking dist. Quick garage yields per sf. – Back into unit #’s by estimating parking provided Including Multi-Family in Urban Design

Common Density Ranges Townhouses – 8 to 12 du/a Garden Apts. (walk-up) – 16 to 22 du/a Urban Courtyards w/Free-standing Garage – 40 to 60 du/a (100+ net possible) Podium – 50 to 80 du/a Mid-rise/High-rise – 60 to 100+ du/a

Including Multi-Family in Urban Design

SUCCESSFUL SPECIFICS

Including Multi-Family in Urban Design

Visibility & Visitability Leasing Center Up Front What is the unit looking at? Prospect Parking Turn-around Guest parking

Including Multi-Family in Urban Design

Setbacks To surface parking To other units (protected openings & fire ratings) Open definition garages

Including Multi-Family in Urban Design

ADA – 4+ units Fair Housing vs. ANSI vs. Local Requirements Accessible site paths – Streets & Sidewalks Steps, porches & thresholds Obstructions Accessible units – by elevator Accessible parking NOT: Fee-simple townhouses Including Multi-Family in Urban Design

Building Heights Ceiling heights Flat or sloped roof High-rise definition @ 75’

Including Multi-Family in Urban Design

Parking Garage Metrics 60’ width – 18’, 24’, 18’ (one-way slab) 58’ width – 18’, 22’, 18’ (two-way slab) 5.75-6% slope max. 10’-8” floor to floor 325 sq.ft./car Stairs, elevators, trash (copyrights) Open vs. Closed – ventilation & sprinklers Tuck-under parking (limited # w/low fire sep.) Including Multi-Family in Urban Design

Parking Garage Metrics

Including Multi-Family in Urban Design

Services Egress & Exit Stairs • 2/building, 1 must be vertical • Maximum building size – phasing

Fire access Trash pickup

Including Multi-Family in Urban Design

Wood Frame vs. Concrete 4-story limitation for wood

Including Multi-Family in Urban Design

Mixed Construction Types

Including Multi-Family in Urban Design

Fire Separation Aligned fire walls 1-hour ratings 2-hour ratings Separation

Including Multi-Family in Urban Design

Leasing Center & Amenities Wow factor Pool/whirlpool Business Center Club/Summer kitchen Movie theater Fitness center Mailboxes Including Multi-Family in Urban Design

UNIT LAYOUT

Including Multi-Family in Urban Design

Corridors 6’ wide, typ. 200’ length max Building separation

Including Multi-Family in Urban Design

Depth of Units Shallow Liner Units • 22’ deep – more spaces on glass • Lining parking garages

Standard Depth Units • 27’ to 30’ deep - traditional

Deep Loft Units • 48’ – 52’ deep – urban lofts, open bedrooms

Including Multi-Family in Urban Design

Special Units Inside Corner Units • Add 10% to density (return) • Limited light • Central living areas • Egress windows • Recessed balcony

Mezzanine Units • 4th story lofts (regulated by code, market) Including Multi-Family in Urban Design

Courtyards 42’ min. 60’ x 80’ for pool

Including Multi-Family in Urban Design

Interior Dimensions Modules – Bedroom, Living • Bedrooms: 12’-1” x 13’-1” – 2 windows • Living Rooms: 20’-0” – 3 windows

Ceiling Heights • • • •

8’ – poor 9’ – good 10’ – great Mezzanine units Including Multi-Family in Urban Design

PROJECTS Westbury, VA • 2-, 3- and 6-unit buildings

Westbury, TN • Garden Apts.

Providence at Old Meridian • Thru-units & Back-and-Stack

Issa Celebration • Tuck under Including Multi-Family in Urban Design

West Village • Mixed Use

Baldwin Park • Main Street

Providence • Urban Courtyard

Tennis Center • Multi-building, concentrated parking

Paramount • Mid-/High-Rise Including Multi-Family in Urban Design