Independent Traffic Analysis.pdfGibson Traffic Consultants
2802 Wetmore Avenue
Suite 220
Everett, WA 98201
425.339.8266
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Bloom Early Learning Center
Trips Generation & Mitigation
Prepared for: Karen Nickle
Submitted to: City of Edmonds
September 2015
GTC #15-205
Bloom Early Learning Center Trip Generation & Mitigation Memorandum
TABLE OF CONTENTS
1. DEVELOPMENT IDENTIFICATION.................................................................................... 1
2. TRIP GENERATION ................................... .................... .................. ......... .................. 2
3. TRAFFIC IMPACT FEES ........................... ......... .......... ......... ........ ....... 3
LIST OF TABLES
Table 1: Trip Generation Summary ........... ......... ............... ........... ...................... ............... 2
Table 2: Traffic Mitigation Fee Calculation--- - ........ ........................... -- .................. 3
ATTACHMENTS
Trip Generation Calculations ..... ..................................................... .......................... A
SitePlan .................—..... ---- ............................... .,............................. .,.. ...,.,... ..................B
Gibson Traffic Consultants, Inc. September 2015
zrl a q,)gibsontraf11u.c0 qi GTC #15-205
Bloom Early Learning Center Trip Generation & Mitigation Memorandum
1. DEVELOPMENT IDENTIFICATION
Gibson Traffic Consultants, Inc. (GTC) has been retained to analyze the traffic impacts of the
proposed tenant improvement of the Bloom Early Learning Center. The school runs a literacy
based curriculum that includes classes for children until 1:15 PM and classes for parents/adults
starting at 3:00 PM.
GTC is a professional traffic engineering consulting firm registered and licensed in the State of
Washington. This study has been organized in the manner of the SEPA Traffic Impact
Requirements for the City of Edmonds for developments generating less than 25 PM peak -hour
trips.
GTC is located at:
2802 Wetmore Avenue, Suite 220
Everett, WA 98201
Phone: 425-339-8266
Fax: 425-258-2922
Email: info@gibsontraffic.com
Matthew Palmer, responsible for this report and traffic analysis, is a licensed professional
engineer (Civil) in the State of Washington and member of the Washington State section of ITE.
The proposed Bloom Early Learning Center tenant improvement will consist of replacing 3,800
Square Feet (SF) of office space with a 3,800 SF of Learning Center/learning center. The site
address is:
1233 Olympic View Drive
Edmonds, WA 98020
The proposed tenant improvement is anticipated to be operational at the end of 2015/early 2016.
The property currently is served by the existing accesses on to SR -524 (Puget Drive) a principal
arterial. No change in access is proposed; therefore, no sight distance or access analysis was
performed.
Gibson Traffic Consultants, Inc. September 2015
ii .:f'o(fi)g bsoi tiaflic coo GTC #15-205
Bloom Early Learning Center Trip Generation & Mitigation Memorandum
2. TRIP GENERATION
Trip generation rater were obtained from the Institute of Transportation Engineers on) Trip
Generation, 9th Edition (2012). The average trip generatioia rates for ITE E Land Use Code (LUC)
710, office, have been used for the trip generation credit for the existing use. For the Bloom
Early Learning Center, testimony from the client and a schedule of uses for the site were used to
determine the trip generation.
Based on information provided by the client, during the PM peak -hour the only activity
occurring Monday thru Friday at the school from 4:00 to 6:30 PM is language adult students
arriving and departing. Sessions are 1 hour long with 2 sessions each weekday and 4 students in
each session. This will lead to a total of 8 PM peak -hour trips (4 students arriving and 4 students
leaving) during the peak -hour.
Also, one weekday per month they have an adult class with 1 teacher and a maximum of 10
students. The class runs from 5:30 until 8:00 PM, the teacher and the students would all arrive
during the PM peak -hour. As this class only occurs one weekday a month and there is an
average of 21.67 weekdays/month; there would be 0.51 inbound PM peak -hour trips associated
with this class per weekday. The daily trips for the learning center were estimated based on the
ratio of ADT to PM peak -hour typically being a factor of 10.
The tenant improvement is anticipated to generate 43.19 net new ADT, with 2.85 net new PM
peak -hour trips (4 inbound/ -1 outbound). The trip generation is summarized in Table 1.
Table 1: Trip Generation Summary
Average PM Peak -Hour Trips
Land Use Size Daily �—
Trips Inbound Outbound Total
Learning Center 3,800 SF 85.10 4.51 4.00 1 8.51
Office -3,800 SF -41.91 I -0.96 l -4.70 I -5.66
(Removed) l
Total Net New Trips G 43.19 1 3.55 1I -0.70 1 2.85
The trip generation calculations are included in the attachments,
Gibson Traffic Consultants, Inc. September 2015
„ot„CtauL��ati1)t cwI GTC #15-205
2
Bloom Early Learning Center Trip Generation & Mitigation Memorandum
3. TRAFFIC IMPACT FEES
Traffic impact mitigation payments to the City of Edmonds are based on Edmonds Road Impact
Fee Rate Study Table 4, Impact Fee Rates. The 2009 Impact Fee Rate Table was used to
determine the new fees and the 2004 Impact Fee Rate Table was used for the credit for the
removed 3,800 SF of office. There is no land use for a Learning Center on the City Impact Fee
Rate Table; however, through discussions with City staff it was determined to use the following
variables:
% New Trips = 100% as all trips were associated with adults
Trip Length Factor = 1.00
GTC calculated a PM peak -hour trip rate of 2.24/1,000 SF based on information provided by the
client, the % New Trips of 100%, the Trip Length Factor of 1.00 and the $1,049.41 per Trip fee
to calculate a fee per square foot.
The traffic mitigation fee calculation for the Bloom Early Learning Center tenant improvement is
summarized in Table 2. The total traffic mitigation fee calculations results in an independent fee
calculation of $2,052.00.
Table 2: Traffic Mitigation Fee Calculation
Trip Net New Trips
Land Use Number of Trip New Length per Unit of Impact Fee
Units Rate per Unit
"1"rias Factor Measure
Learning I 3,800 SF 2.24 1 100% 1.00
Center
Office -3,800 SF 1.49 100% 1.59
(Credit)
Total I --- I ___
Total
2.24 per 1,000 SF 1 $2.35 per SF I1 $8,930.00
2.37 per 1,000 SF 1 $1.81 per SF Y -$6,878.00
$2,052.00
Gibson Traffic Consultants, Inc. September 2015
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3
Trip Generation Calculations
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A-2
Average Daily Parking Lot Activity at
1233 Olympic View Drive
Edmonds, WA 98020
Monday thru Friday
7:15am-7:30am
1 Manager arrives
7:30am-7:45am
2 Teachers arrive
7:50am-8:OOam
Parents arrive and drop off children
Average would be 10; maximum 15
8:00am-11:45am
Administrative activity trips, about 4
11:45am-12:OOpm
Parents arrive and pick up children, about 5
Some kids will stay for other activities.
1:OOpm-1:15pm
Parents will pick up some kids from the "Lunch Bunch" program
About 8
2:OOpm 2 Teachers depart
1 Manager arrives
3:OOpm- 3:30pm Language Teachers arrive, up to 2
4:OOpm-6:30pm Language students arrive and depart
Sessions are 1 hour, 2 sessions each day
4 students in each session
6:30pm 2 Language teachers depart
1 Manager departs
7:OOpm-7:30pm Adults arrive for Support Groups and Parent Education Workshops
Average 6, maximum 10
1 Teacher arrives
8:OOpm- 8:30pm Sessions end
1 Teacher and 1 Manage depart
A-3
Saturday and Sunday
One Weekend a Month
7:30am-7:45am
1Teachers arrives
7:50am-8:OOam
Adult students arrive
Average would be 14; maximum 20
3:OOpm-3:15pm
Students Depart
3:30pm
1 Teacher departs
Two Weekends a Month
9:30am
1Teachers arrives
9:45am-10:OOam
Adult students arrive
Average would be 7; maximum 10
12:00pm-12:15pm
Students Depart
1:45pm-2:OOpm
Adult students arrive
Average 7; maximum 10
4:OOpm
Students and Teacher depart
5:30pm-6:OOpm 1Teachers arrives
Adult students arrive
Average would be 7; maximum 10
8:OOpm Students and Teacher depart
A-4
Site Plan
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