SHARED PARKING STUDY
""
)
MOTORIST DESIGN DATA MOVEMENT, INC.
TrafflclTransportatlon Englnaerlng Consultants
SHARED PARKING STUDY
FOR
SHOP PES OF BOYNTON BEACH
CITY OF BOYNTON BEACH
:>
Prepared By:
D~~1(7 Da-;;fS-~L
"DO" Project 189-012
April 24, 1989
Revised August 14, 1989
Revised September 25, 1989 .1
Revised Februa:ry, 15, 1991 Wt' ~.
')
MOTORIST DESIGN DATA MOVEMENT, INC.
Trafflc/Transportatlon Engineering Consultants
INTRODUCTION
------------
------------
''''),.
',- .
This study is designed to address and document the parking
requirements for shared uses at The Shoppes of Boynton, a
proposed mixed use commercial development at the northeast corner
of Congress Avenue and NW 22nd Avenue in the City of Boynton
Beach, Florida. Since Quantum Boulevard, which is a 4-lane
divided highway, severs a portion of the retail from the cinema,
it was felt that significant shared parking was a viable option
for the development north and south of Quantum Boulevard.
Although the parking on the opposite side of the roadway is
reasonably convenient for patrons using any of the facilities, it
is important to provide positive traffic control regulations to
facilitate pedestrian traffic across Quantum Boulevard. Thus, a
parking area analysis was the method used in making a determina-
tion as to the viability of shared parking usage. Because of the
varied parking usage within the development, namely cinema and
retail, on the north portion, and retail on the south portion, it
is believed that a shared parking usage study would be
appropriate.
Because of the varied requirements and usage of parking spaces
during different hours of the day, it is felt that this study,
using the interactions associated with shared parking phenomenon
as published by the Urban Land Institute (ULI), is appropriate.
The Urban Land Institute 1983 publication is the methodology used
in this report.
Additionally, the formula required by the Ordinance No. 86-8 of
the City of Boynton Beach was calculated to ensure that the
proper buffer was maintained within this proposed project.
BACKGROUND
----------
----------
The Shoppes of Boynton is a mixed-use development proposed for
the northeast corner of Congress Avenue and NW 22nd Avenue in the
City of Boynton Beach, Florida. The land use proposals for the
project south and north of Quantum Boulevard are outlined below:
')
-1-
-::::
--
MOTORIST DESIGN DATA MOVEMENT, INC.
TrafficlTransportatlon Engineering Consultants
North of Quantum Boulevard
Retail
- Bank ...............
4,721 Square Feet
Cinema
............... ........
2,000 Seats
South of Quantum Boulevard
Retail...................... 148,292 Square Feet
The City of Boynton Beach requirements, taken separately,
would result in the parking requirements outlined below:
North of Quantum Boulevard
Cinema
(2,000 Seats x 1 parking space
per 4 seats) ........................ 500 spaces
Retail - Bank
(4,721 Square Feet @ 1 space per 250 square feet)
. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 19 spaces
Total Spaces Required ................ 519 spaces
South of Quantum Boulevard
Retail
(148,292 Square Feet @ 5 spaces
per 1,000 Square Feet) .............. 742 spaces
The Urban Land Institute methodology allows for a calculation and
assumption of shared parking capacities which would result in an
overall site plan which would provide for more efficient parking
on the site. Therefore, it is this methodology that is used in
the compilation of this report in order to allow a more efficient
usage of parking area within the site based on the proposed
land use.
-2-
MOTORIST DESIGN DATA MOVEMENT, INC.
TrafflclTransporlation Engineering Consultants
ULI METHODOLOGY
---------------
---------------
The basis for the Urban Land Institute's research was to define
the characteristics of parking demands for single land uses.
Then, by analyzing parking accumulations at mixed use centers,
the shared parking concept was quantified.
The ULI recommends the following procedure be followed in
determining shared parking:
1. Initial Project Review: Knowledge of the site and the
intended land uses is very important in beginning the shared
parking analysis. Results from the initial review for The Shop pes
of Boynton has been presented in earlier sections in terms of
square footage and land uses proposed.
2. Adjustment for Peak Parking Factor: The parking factors
are those specified in the City of Boynton Beach Code as
detailed earlier in this report and indicate a need for 742
spaces, for the section of development south of Quantum
Boulevard and for 519 spaces, for the section of development
north of Quantum Boulevard.
3. Analysis of Hourly Accumulations: Parking accumulation
curves are selected by reviewing the ULI data and incorporating
site specific conditions.
4. Estimate of Shared Parking: The hourly parking
for each land use is merged to estimate overall shared
demand. This is simply the hour by hour addition of
demand for each use to estimate aggregate demand.
demand
parking
parking
THE ANALYSIS
------------
------------
Applying the ULI methodology to The Shoppes of Boynton yielded
the hourly parking accumulation curves for each of the two land
uses for weekday and Saturday conditions.
Figure 1 - Retail Parking Accumulation
Figure 2 - Cinema Parking Accumulation
Figure 3 Retail Parking Accumulation
Figure 4 - Cinema Parking Accumulation
- Weekday
- Weekday
Saturday
- Saturday
-3-
-,
/)
,)
z
Cl
1-"'4
I-
<I:
.-J
::>
~
::>
u
u
<I:
L:J
Z
1-"'4
~
~
<I:
CL
~
<I:
W
a..
u...
o
I-
Z
W
U
~
w
a..
100
90
80
70
60
50
40
30
20
10
o
IIJTlJRIST DESIGN JMTA MIvrHENT, INe.
Tr4FFlc/Tronsporto. tIon f'nghe~~ ConsulfClJlts
~ L
<I: ooOCL~_ 000
oooo~o~o-o~ooooooooo
oooo_~C\Jo__~oooooo -C\J
~~ro~~~_~C\JM~~~~OO~~~~
HOUR OF THE DAY
RET AIL
WEEKDAY
-4-
FIGURE #1
)
...-),
',.
100
90
z 80
Cl
-
I-
<I:
..J 70
::J
~
::J
U 60
u
<I:
L:l 50
z
-
~
~
<I: 40
Cl..
~
<I: 30
w
Cl..
lL.. 20
Cl
I-
Z 10
w
u
~
w 0
Cl..
J
IfJTlJRIST 1J(SIGN 1M T A 1fJVEJ€NT, lNC.
TroFfJc/TrOJlSportatlon fn9Mertlg Consultants
~ :E
~oooggg~ggooooooggg
o09go~ruo__ooogooo~ru
~~oo~___~ruMv~~~OO~___
HOUR OF THE DAY
CINEMA
WEEKDAY
-5-
FIGURE #2
J
IfJTCJRIST DrSIGN D.4 T A 1fJVDf](T, me.
Tr4'Flc/Transporto. tton f:rl9he~rfn9 ConsultCUlts
100
90
z 80
Cl
1-4
~
<I:
-1 70
=>
~
::J
U 60
u
<I:
l.::J 50
z
1-4
~
0:::
<I: 40
CL
~
<I: 30
w
CL
LL 20
Cl
.....
z 10
w
U
0:::
W 0
CL
~ ~
<I: 0 0 0 CL 000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o o,s>
0 0 0 0 C\J 0 0 0 0 0 0 0 0 0 c5~C\J
\D f' CD 0\ 0 ..-4 C\J M .q- If') \D I"- CD 0\
..-4 ..-4 ..-4 ..-4 ..-4 ..-4 ..-4
~),
........- ,,-
,)
HOUR OF THE DAY
RET AIL
SATURDAY
-6-
FIGURE #3
}
:>
100
90
z 80
0
~
~
<[
..J 70
:=l
~
:J
U 60
u
<[
L:) 50
z
-
~
~
<[ 40
0..
~
<[ 30
w
0..
lL- 20
0
~
z 10
w
u
~
w 0
0..
'J
IfJTDRIST DESIGN .MTA 1fJVDENT, INC.
rroFFlc/TrGllSporf4 tlon fngtleemg Consultlllts
~ ~
~ 0 00.. 000
ooooogoooooooooooo~
0000 ~ruo~~ooooooO~N
~~OO~8__~NMv~~~OO~___
HOUR OF THE DAY
CINEMA
SATURDAY
-7-
FIGURE #4
)
MOTORIST DESIGN DATA MOVEMENT, INC.
Trafflcfl'ransportatlon Engineering Consultants
Retail in The Shoppes of Boynton is expected to be made up
mostly of small stores with some medium size stores that might
act as anchors, but are not anchor stores in the traditional
sense of a grocery store or large retail store. A wide range of
businesses could be tenants in these Retail stores. These retail
businesses do not exhibit the same parking characteristics as the
ULI data. These businesses also tend to close sooner in the day
than a traditional anchor.
The cinema parking activities are different than the retail use.
Guided by the ULI data, conservative estimates of parking
accumulation were used. It was assumed that weekday matinees
would be offered and patronized. Furthermore, it was assumed
that each weekday evening would be a sellout at each of the
screens. This is a virtual impossibility, but these assumptions
have been used to present the worst case and to provide
enough parking during these times.
:>
Seasonal variations are addressed in the ULI report, and the City
of Boynton Beach Ordinance. In each case, the variations would
tend to decrease the parking demands during the off-season.
Because the ULI data has been collected nationwide, seasonal
variations do not describe experiences in South Florida. It is
assumed in this report that the peak season for general retail
and cinema occur at the same time, and that no shared parking
benefit can be derived from the relation of different peak
seasons. Once again, this assumption serves to present the worst
case, and supply the most parking.
Percentages for the parking accumulation curves have been applied
to peak hour demand for parking in each land use to arrive at
calculation of shared parking values. Table 1 shows the total
parking demand for weekdays, and Table 2 for Saturdays.
-8-
)
MOTORIST DESIGN DATA MOVEMENT, INC.
Traffic/Transportation Engineering Consultants
CONCLUSIONS
-----------
-----------
Weekday shared parking demands peak at 5:00 PM in the evening,
due to moderate usage of the retail and cinema facilities. The
peak demand from the ULI methodology is 709 spaces.
Saturdays have a peak hour demand of 754 spaces, at 2:00 PM.
Since a greater aggregate peak hour demand occurs on the
weekend, it will be used for design purposes.
Boynton Beach requires a buffer of ten (10X) percent above the
ULI calculations to provide for natural turnover of parking and
unexpected fluctuating peaks. If this was provided at The Shoppes
of Boynton, 830 spaces would be supplied.
The current site plan allows for 1,106 spaces and therefore, the
shared parking concept is applicable to this project.
-9-
MOTORIST DESIGN DATA MOVEMENT, INC.
Traff/c/TransportatJon Engineering Consultants
TABLE 1
WEEKDAY PARKING ACCUMULATION
SOUTHERLY NORTHERLY
TIME RETAIL BANK CINEMA TOTAL
-----------------------------------------------------------------
6:00 AM 0 0 0 0
7:00 59 2 0 61
8:00 135 4 0 139
9:00 142 4 0 146
10:00 216 7 0 223
11:00 291 8 0 299
12:00 NOON 430 12 75 517
1:00 PM 430 12 125 567
2:00 430 12 175 617
3:00 416 12 200 628
4:00 380 10 300 690
5:00 349 8 350 707
6:00 223 7 400 630
7:00 142 4 450 596
8:00 112 3 500 615
9:00 59 2 500 561
10:00 45 2 500 547
11:00 0 0 400 400
12:00 MID. 0 0 350 350
=================================================================
100X PARKING
SPACES 742 19 500 1261
- -
MOTORIST DESIGN DA TA MOVEMENT, INC.
TrafflclTransportatlon Englneerlng Consultants
TABLE 2
SATURDAY PARKING ACCUMULATION
SOUTHERLY NORTHERLY
TIME RETAIL BANK CINEMA TOTAL
-----------------------------------------------------------------
6:00 AM 0 0 0 0
7:00 23 0 0 23
8:00 75 3 0 78
9:00 223 7 0 230
10:00 327 9 0 336
11:00 363 10 0 373
12:00 NOON 401 12 150 563
1:00 PM 430 10 250 690
2:00 394 8 350 752
3:00 380 10 350 740
4:00 362 10 350 722
5:00 274 6 350 630
6:00 149 4 400 553
7:00 97 3 450 550
8:00 59 2 500 561
9:00 15 0 500 515
10:00 0 0 500 500
11 : 00 0 0 400 400
12:00 MID. 0 0 350 350
=================================================================
100X PARKING
SPACES 742 19 500 1261