BACK BAY ALLEY ADUS PETER TRAVIS
EXISTING CONDITIONS
Parking Dumpsters
Trash Cans
Asphalt
PROGRAMMATIC PLAN
residential
education
commercial
religious
hotel
N
UNITS PER PARCEL
8
7
11
1
5
1
4
10
4
10
7 3
12
1
1
9
10
3
5
5
10
1
9
4
1
11
1
2
10
4
2
3
5
1
11
1
1
10
1
3
9
1
5
1 1
1
4
1 unit 2-3 4-6 7-9 10-12
ALLEY ADUs
MILLENIUM TOWER
BACK BAY
DOWNTOWN 0
20,000
0
17,952
Population
20,000
Population 7,355
0
2,000
Additional Units
Additional Units
(maxium)
(actual)
1,239
442
0% 100%
0% 100%
6.9%
Units / Population
6.0%
6.9% VS 6.0%
Units / Population
USER PROFILE Young Professionals
0
100
0
100%
0
100%
25-35
25%
30%
25-35
Population (Boston)
Population (Back Bay)
Rental Rates
$300
$1,500
$2,100
@ $3.94 sf
Avg. Parking (Back Bay)
Projected Alley ADU Rental
Combined Rental (2 Parking + 1 Unit)
RFP PROCESS
N G UI D E LI N
S E4 A H P
O
R S U B MIS
SI O
‘Back Bay ADU Design Board’ to create design guidelines
Individual architects respond to design individual parcels
Board consists of neighborhood residents, city officials, and architects.
Designers are encouraged to create unique facades that use existing design guidelines
Submissions must follow set guidelines.
Designers can design multiple units as long as they are different from one another.
DE
SIG N
REV
IE W
Submissions must be approved by design review board.
NS
A
FO
N
LL
ES
S E3 A H P
C
IG
CA
D
ES
S E2 A H P
S
S E1 A H P
TRU
Construction phase to be built by approved contractors.
Panel consists of architects, neighborhood residents, and city zoning officials.
Construction observation to be performed by city approved official.
A period of design changes is allowed. Primary Materials
Extended Rowhouse
Rear height 18’-26’
<1/2 width 6’ Extended Sidewalk Existing Sidewalk
17’
Front height 15’-20’
3’
Parking
Access to rear yard
Existing Alley
Plan Zoning
+ N C TI O
C
Heights
Secondary Materials
Red Brick 50%-75%
Glass 25%-50%
Dark Grey Brick 50%-75%
Metal 25%-50%
Light Grey Brick 50%-75%
Wood 25%-50%
Materials
PARTIAL DEVELOPMENT
Pocket Parks
FULL DEVELOPMENT
10’ 20’
40’
PROGRAM SCENARIOS
Garage
Commercial
PROTOTYPE 1
Dining Room
PROTOTYPE 2
Bedroom
PROTOTYPE 3
Kitchen
Den/Living
SITE PLAN - PHASE ONE
Pocket Park
10’ 20’
40’
SITE PLAN - PHASE TWO
RESIDENTIAL R1
Bedroom
R2
Living/Dining, Den, Kitchen
R3
R3
C1
C1
R3
C2
R2
R1
R2
R1
C2
R2
R1
C1
R1
C1
R2
R2
C1
R2
R3
C1
R2
R3
C2
C2
R1
R3
C1
R1
C2
C2
R1
C2
R1
COMMERCIAL C1 Restaurants + Large Retail C2 Small Retail
Garage
R2
R3
C1
R2
C2
C2
Flexible Rear Yards
10’ 20’
40’
PROCESS DIAGRAM
1
2
3
Lowered Roof Line ADU
ADU
Parking
Parking
4
5
Angled Roof
Parking
6
Bay Window
Bay Window
Balcony ADU Parking
Access to Rear ADU Entry + Garage
PROTOTYPE ONE
26’ 23’ 21’
6’
18’
365 sf
24’
1’
2’
4’
PROTOTYPE TWO
26’ 23’ 21’
6’
18’
475 sf
24’
1’
2’
4’
PROTOTYPE THREE
26’ 23’ 21’
18’
470 sf
24’
1’
2’
4’
SITE AXON
SITE SECTIONS
P2
P2
P2
P3
P1
P2
BACK BAY ALLEY ADUs Peter Travis EXISTING CONDITIONS
Parking
Dumpsters
Trash Cans
Asphalt
UNITS PER PARCEL
PROGRAMMATIC PLAN 8
7
11
1
5 1
4
10 4
10
7
3
12
1
1
9
10
3
5
5
10
1
9
4
1
11
1
2
10
4
2
3
5
1
11
1
1
10 1
3
9
1
5 1 1
1 4
10-12
7-9
4-6
2-3
education
commercial
religious
N
hotel
1 unit
ALLEY ADUs
USER PROFILE
residential
MILLENNIUM TOWER
Young Professionals 0
100
0
100%
0
100%
25-35
25%
30%
25-35
Population (Boston)
Population (Back Bay)
BACK BAY
DOWNTOWN 0
20,000
0
20,000
17,952
Population
Population
Rental Rates 7,355 0
$300
$1,500
$2,100
2,000
Additional Units
Additional Units
(maxium)
1,239
@ $3.94 sf
Avg. Parking (Back Bay)
Projected Alley ADU Rental
Combined Rental (2 Parking + 1 Unit)
(actual)
442
0% 100%
0% 100% 6.9%
Units / Population
6.0%
6.9% VS 6.0%
Units / Population
N G UID
N I L E
O
S FO
N
LL
ES
R S U B MIS
DE
O I S
‘Back Bay ADU Design Board’ to create design guidelines
Individual architects respond to design individual parcels
Board consists of neighborhood residents, city officials, and architects.
Designers are encouraged to create unique facades that use existing design guidelines
Submissions must follow set guidelines.
Designers can design multiple units as long as they are different from one another.
C
IG
CA
D
ES
S A E H 4 P
S A E H 3 P
S A E H 2 P
SIG N
R
W E E VI
Submissions must be approved by design review board.
NS
A
S A E H 1 P
TRU
Construction phase to be built by approved contractors. Construction observation to be performed by city approved official.
Panel consists of architects, neighborhood residents, and city zoning officials. A period of design changes is allowed.
Primary Materials Extended Rowhouse
Rear height 18’-26’
<1/2 width 6’ Extended Sidewalk Existing Sidewalk
17’
Front height 15’-20’
3’
Parking
Access to rear yard
Existing Alley
Plan Zoning
+ C TI O N
C
Heights
Secondary Materials
Red Brick 50%-75%
Glass 25%-50%
Dark Grey Brick 50%-75%
Metal 25%-50%
Light Grey Brick 50%-75%
Wood 25%-50%
Materials
Garage
Commercial
Dining Room
Kitchen
PROTOTYPE 1
PROTOTYPE 2
Bedroom
PROTOTYPE 3
Den/Living
1
Parking 2
Pocket Park
ADU Parking
3
Bedroom
R1
Living/Dining, Den, Kitchen Garage
R2 R3
Lowered Roof Line ADU
C1
Restaurants + Large Retail
C2
Small Retail
Parking
4
R3
C1
C2
R1
R1
R2
C1
C1
R2
R2
R3
C1
C2
R1
R1
C2
C2
R2
R3
C1
Angled Roof R3
C1
C2
R1
R1
R2
C1
C1
R2
R2
C1
R2
C1
R3
C2
R1
R3
C1
R1
C2
C2
R2
R3
C1
R2
C2
C2
ADU Parking
5
Bay Window C1
R3
R2
R2
C2
R1
R1
R3
R2
C2
C2
R1
R1
Balcony Flexible Rear Yards
Access to Rear
6
C1
R3
R2
R2
C2
R1
R1
R2
C1
R3
R2
C2
R3
C1
C2
R1
R1
R2
C2
10’ 20’
40’
C2
Bay Window
ADU Entry + Garage
6’
18’
365 sf
24’
1’
2’
4’
PROTOTYPE 1
6’
18’
475 sf 1’
24’
PROTOTYPE 2
2’
4’
18’
470 sf
24’
PROTOTYPE 3
1’
2’
4’