22-100630-Traffic Report-02-10-2022-V1Federal Way
(File#21-100592-00-PC)
S. 348T" STREET BFJ
TRAFFIC MEMORANDUM - QUEUING
November 18, 2021
T S. 348th Street
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Jake Traffic Engineering, Inc.
Mark J. Jacobs, PE (WA and OR), PTOE, President
2614 391h Ave. SW - Seattle, WA 98116 - 2503
Tel. 206.762.1978 - Cell 206.799.5692
E-mail 'aketraffic@comcast.net
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Mark J. Jacobs, PE, PTOE
President
2614 3411 Ave. SW Seattle, WA 48116 - 2503
Tel. 206.762.1478 - Cell 206.144.5642
E-mail jaketrafc@comcast.net
November 18, 2021
CITY OF FEDERAL WAY
Attn: Soma Chattopadhyay, PE, Traffic Operations Engineer
33325 8th Ave. South
Federal Way, WA 98003
Re: S. 348th Street BFJ - Federal Way (File#21-100592-00-PC)
Traffic Memorandum - Queuing
Dear Ms. Chattopadhyay,
I am pleased to present this Traffic Memorandum - Queuing for the proposed BigFoot Java
(BFJ) project to be located at 803 S. 348th St, In Federal Way. Access to the site is via an
existing driveway located at the west side of the site.
Below is an aerial of the site obtained from King County Uap
S. 348th Street BFJ - Federal Way
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JTE, Inc.
CITY OF FEDERAL WAY
Attn: Soma Chattopadhyay, PE, Traffic Operations Engineer
November 18, 2021
Page -2-
A preliminary Site Plan for a drive up espresso stand was provided to the City in conjunction
with a Pre -application Meeting conducted with the City. The plan, copy attached, provided
queuing space for about six vehicles. The City commented in the Preapplication Conference
Summary dated April 27, 2021 that site queuing needed to be reviewed, see below:
Transportation Impact Analysis ('1"1,A) (1' WRC 19.135)
A queuing analysis of the drive -through lane is required to demonstrate that sufficient on -site queue storage is
available for the 857J'-perce° the queue length without blocking driveways or otherwise hindering ing.ress�egress
and site circulation. A minunurn of 3 site studies is preferred with similar surrounding populations and adjacent
traffic volumes to the subject site.
was contacted in late September regarding the project and we discussed the project on
Tuesday October 19, 2021. Subsequent to our correspondence 1 conducted a technical
queuing analysis that was provided to the City via e-mail and the site plan has refined to
provide queue storage for ten vehicles.
This letter has been prepared to provide a formal documentation of the analysis conducted
and to provide a Mitigation Plan for a worst case scenario.
Site Traffic Generation
Definitions
A vehicle trip is defined as a single or one direction vehicle movement with either the origin
or destination (exiting or entering) inside the proposed development.
Traffic generated by development projects consists of the following types:
Pass -By Trips: Trips made as intermediate stops on the way from an origin to
a primary trip destination.
Diverted Link Trips: Trips attracted from the traffic volume on a roadway within
the vicinity of the generator but which require a diversion from
that roadway to another roadway in order to gain access to
the site.
Captured Trips: Site trips shared by more than one land use in a multi -use
development.
Primary (New) Trips: Trips made for the specific purpose of using the services of
the project.
Trip Generation
The proposed BigFoot Java project is expected to generate the vehicular trips during the
average weekday, street traffic AM and PM peak hours as shown in Table 1. The trip
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COLOR COPY ONLY
CITY OF FEDERAL WAY
Attn: Soma Chattopadhyay, PE, Traffic Operations Engineer
November 18, 2021
Page -3-
generation is calculated using average trip rates in the Institute of Transportation Engineers
(ITE) Trip Generation, 11th Edition, Coffee/Donut Shop with Drive -Through Window and No
Indoor Seating (ITE LUC 938). All site trips made by all vehicles for all purposes, including
commuter, visitor, and service and delivery vehicle trips are included in the trip generation
values.
TABLE T -TRR' GENERATION'
S. 3481 F1 STREEr BF] - FEDF iAL ARY
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Trtm
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where A = unU; T = Tr1gS
-Trafficgeneratcnper Vie ITE Trip Generation Maqua I11thEdition
x r - Pass -by trips per Table E.34 ini the ITE Trip Generation Handbook, 3rrd EVOn
Note: Rounding can result in min trip differential
The vast majority of the traffic associated with the BFJ project comprises customers already
driving by the site on their way to another destination, aka pass -by traffic; reference the
Table E.34 ITE Trip Generation Handbook, 31d Edition. On a typical day at the site access
there would be about 358 vehicles turning in and out of the site, during the AM peak hour
approximately 80 and during the PM peak hour 30 trips. The project would generate minimal
net new trips to the City's street grid.
Site Queuing
Per our technical correspondence the preliminary site plan has been refined to provide
additional queue storage, from six to ten vehicles, for the proposed BFJ drive up service
operation.
The BFJ Stand provides two service windows providing queue storage for ten vehicles total.
Each window has space to queue five vehicles. I have conducted a queuing review to
evaluate the adequacy of the proposed stacking that provides space for six vehicles in two
queues.
There are a number of queuing models available online. The model utilized was developed
by:
faGUly.wasir�gion.edutmhilfierlameth551 ueuein %20Models.x1s
Input items needed for the model are arrivals and service rate per hour. The arrival is 40
(per ITE data) customers in the AM peak hour. The typical service rate to take an order,
prepare the espresso drink and ring it up is one (typical in the AM peak) to two minutes
(conservative), pending the type of drink. The typical service rate is about a minute to a
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CCIiOR WAY ONLY
CITY OF FEDERAL WAY
Attn: Soma Chattopadhyay, PE, Traffic Operations Engineer
November 18, 2021
Page -4
minute and a half during the AM peak period. Below are the queuing results for service rates
of 60 per hour, 45 per hour and 30 per hour.
60 customers/hour:
Template for the M/Mfs Queueing Model
Data
Results
0,76
40 (mean arwal pate) L =
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Numbef of Customers M SVSzCM
45 customers per hour.
Template for the M/Mis Queueing Model
Data
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CITY OF FEDERAL WAY
Attn: Soma Chattopadhyay, PE, Traffic Operations Engineer
November 18, 2021
Page -5-
And 30 customers per hour:
Template for the lht INI/s Queueing Modell
Data
4ti tm an arrival rate)
€_ 30. �.-nean service rate)
5 — 2 fv SeN-ers)
P'r(,N , t) = ''::3E-09
when t m � 1
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The above queuing analysis was provided to the City via a technical e-mail on October 21,
2021. The results indicate a typical queue of about two to three vehicles pending the service
rate and the probability of 10 vehicles in the queue at less than 1%. This is partly self
controlling as many AM commuter customers are on their way to work or other destination
and will choose to bypass the facility when queuing is observed.
Based on the results of this analysis i recommended that the project team refine the site
plan to provide additional queuing. The site plan was refined to provide additional storage
and was submitted to the City on October 21, 2021, copy attached.
The City requested added measures to mitigate the potential for site queuing to affect S.
348th Street. The plan was further modified to add signage stating "Do Not Block Driveway"
and pavement markings delineating clear zones where queuing is not permitted. A copy of
this plan submitted to the City 10.29.2021 is attached. In the worst case scenario there is
space along the sites west boundary for temporary queuing that if needed a Barista would be
assigned to help direct traffic accordingly.
Traffic and Queuing Mitigation
Transportation Concurrence Analysis
The City estimated that the proposed —500 sf drive through coffee stand would generate
about 21 net new PM peak hour trips based on the 101h Edition of the ITE Trip Generation
Manual. Subsequent to the City estimate the 11Ch Edition of the Trip Generation Manual has
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CITY OF FEDERAL WAY
Attn: Soma Chattopadhyay, PE, Traffic Operations Engineer
November 18, 2021
Page -6-
been published. This edition included added data for the subject use and based on the new
data and the ITE pass -by rate for the use about three net new PM peak hour trips would be
generated by the site.
A Transportation Concurrency Application fee was noted at $5,167 in the Preapplication
Conference Summary based on a project generating 11 to 50 PM peak hour trips; with on
proviso that the fee could change with addition site traffic information. The projected net
new PM peak hour trips by the site are three; and per the City's 2021 Fee Schedule the
application fee for the project would be $1,801.
Trans ortation Impact Fee
The City identified a TIF estimate of $35,612 for the proposed —500 sf drive up coffee stand.
This fee is based on based on traffic data from the loth Edition of the ITE Trin Generation
Manual; the 11th Edition was published September 2021.
I obtained a copy of the City's 2021 Impact Fee Components and Schedule spreadsheet
online 11.11.2021. The schedule notes the 2021 cost per trip end of $6,311. The pertinent
portion of the City schedule is below.
2021 Federal way Impact Fee Components and Schedule
rResolubon 20-803
I tts FD Avg.Tr4
Lane# Use rrE Laud Use Unit of Basic PM New Trip New Trip Length Trip Length Impact Fee
Code Measure Peak .1, Rate miles) Adjustment Rate 2021
Trips!U nit
Cost per Trip End 3.1 1 56311.4tU
1. Quality Restaurant 931 1 sMFA 1 7.80 56% 4.I'l 4 1-1f1 '4JU 2.1
2- H h Turnover ReSt2UrErt 932 1 stPGFA 1 977 W%l 5 571 23 4.74 126-N
3 Fast Food Restaurant 934 1 sf?GFA 1 32671 59%1 16341 2.01 4 65 T,66-61
The City's TIF components include a Trip Length (TL) factor, for an Espresso with Drive -
Through the TL factor is 2 as compared to the typical city factor of 3.1. The estimated TIF for
the proposed S. 348th Street BFJ is calculated as follows:
Three net new PM peak hour trips * 0.65 * $6,311 = $12,306.45
Transportation Impact Analysis
A queuing analysis was required to be conducted by the City. This letter incorporates the
Technical Analysis provided to and correspondence with the City
Summary, Conclusions and Recommendations
This report documents the technical queuing analysis and correspondence with the City
regarding the proposed S. 348tn Street BFJ project to be located at 803 South 348th Street.
Access to the site would be via an existing driveway located at the west end of the property.
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CITY OF FEDERAL WAY
Attn: Soma Chattopadhyay, PE, Traffic Operations Engineer
November 18, 2021
Page -7-
The City required that site traffic queuing be documented. Per our correspondance and
projected queuing the project applicant revised the site plan to provide queue space for ten
vehicles, added signage to inform drivers not to block the site access driveway and
delineated on site clear zones via pavement marking. In the worst case scenario there is
space along the sites west boundary for temporary queuing that if needed a Barista would be
assigned to help direct traffic accordingly.
In addition to documenting the queuing data provided to the City, I have incorporated
information regarding the City's Traffic Concurrency Application and TIF; the City's estimates
were based on the ITE Trip Generation Manual 10Lh Edition, a new version, 11th Edition, of
this Manual was published September 2021. I have calculated the City fees based on the
new traffic rates noted in the new manual. Based on my analysis the City Traffic Fees would
be, per 2021 City rate data:
➢ Transportation Concurrency Application fee $1,801.
y A TIF of $12,306 for a two window drive up service espresso stand
Please contact me at 206.762.1478 or email me at jaketraffic9comcast.net if you have any
questions.
MJJ: mjj
Sincerely,
Mark J. Jacobs, PE, PTOE, President
J A K E TRAFFIC FN= !I,.Jc7:F.�i€IAA., :NCc
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CITY OF
Federal Wary
April 27, 2021
Mr. James Carleton
Tahoma Design Group
535 Dock Street, Suite 211
Tacoma, WA 98402
j carletanna,tahomadesigngroW. corn
COMMUNITY DEVELOPMENT DEPARTMENT
33325 81h Avenue South
Federal Way WA 98003
253-835-2607;Fax 253-835-2609
www.cityoffederalwa.com
Re: File #21-100592-00-PC, PREAPPLICATION CONFERENCE SUMMARY
DAVIS COFFEE DRIVE -THROUGH, 803 S 348th Street, Federal Way
Dear Mr. Carleton:
Thank you for participating in the preapplication conference with the City of Federal Way's Development Review
Committee (DRC). We hope that the information discussed at that meeting was helpful in understanding the
general requirements for your project as submitted.
This letter summarizes comments given to you at the meeting by the members of the DRC. The members who
reviewed your project and provided comments include staff from the City's Planning and Building Divisions,
Public Works Department, and representatives from f,akehaven Water and Sewer District and South King Fire and
Rescue. Some sections of the Federal Way Revised Code (FWRC) and relevant information handouts are enclosed
with this letter. Please be advised, this letter does not represent all applicable codes. In preparing your formal
application, please refer to the complete FWRC and other relevant codes for all additional requirements that may
apply to your project.
The key contact for your project is me, Natalie Kamieniecki, 253-835-2638,
natalie.kamieniecki(i )cityoffederalwU corn. For specific technical questions about your project, please contact the
appropriate DRC representative as listed below. Otherwise, any general questions about the preapplication and
permitting process can be referred to your key contact.
PROJECT DESCRIPTION
Construct new coffee drive -through building on vacant commercial site. The property is zoned Commercial
Enterprise (CE).
MAJOR ISSUES
Outlined below is a summary of the major issues of your project based on the plans and information submitted for
preapplication review. These issues can change due to modifications and revisions in the plans. The major issues
section is only provided as a means to highlight critical requirements or issues. Please be sure to read the
comments made by all departments in the following section of this letter.
Mr. James Carleton
April 27, 2021
Page 6 of 13
improvements. An administrative fee deposit will need to accompany the bond to cover any possible legal
fees in the event the bond must be called. Upon completion of the installation of the improvements, and final
approval of the Public Works Inspector, the bond will be reduced to 30 percent of the original amount and
held for a two-year maintenance period.
4. The developer will be responsible for the maintenance of all storm drainage facilities (including the detention
and water quality facilities) and street systems during the two-year maintenance period. During that time, the
Public Works Inspector will make periodic visits to the site to ensure the developer's compliance with the
maintenance requirements. Upon satisfactory completion of the two-year maintenance period, the remainder
of the bond will be released. Maintenance for public roads and subdivision drainage facilities then become
the responsibility of the City. Maintenance for private roads and drainage facilities, including short plats,
remain the responsibility of the individual property owners.
5. When topographic survey information is shown on the plans, the vertical datum block shall include the
phrase "DATUM: N.G.V.D.-29" or "DATUM: K.C.A.S.," on all sheets where vertical elevations are
called out.
6. PDF documents shall be created with a program that meets ISO standards for PDF creation. PDF submittals
to be 24" x 36" or 22" x 34", landscape view. Survey documents to be 18" x 24". Site plans shall be drawn
at a scale of 1" = 20', or larger. Architectural scales are not permitted on engineering plans. Additional PDF
document submittal requirements can be found here.
7. Provide cut and fill quantities on the clearing and grading plan.
8. Temporary Erosion and Sediment control (TESL) measures, per Appendix D of the 2016 KCSWDM, must
be shown on the engineering plans.
9. The site plan shall show the location of any existing and proposed utilities in the areas affected by
construction.
PUBLIC WORKS TRAFFIC DIVISION
Soma Chattopadhyay, 253-835-2731, soma.chatto adh a cit offederalwa .cam
Transportation Concurrency Analysis (FWRC 1990) j r k F.� ��M� � 12 f2,ILc�
re f I-
oil
Based on the submitted Materials for 500 square feet of ive-through coffee stand, the Institute of
Transportation Engineers�(ITE) Trip Generation - 101h dition, land use code 938 (Coffee/Donut Shop with
Drive -Through Window and No Indoor Seating) and a pass -by rate o 0 e thproposed project is estimated
to generate approximately 21 new weekday PM peak hour trips. Alte a ely, e applicant may submit a
site -specific trip generation study for the proposed development. F9 % e *- 3�
A concurrency permit is required for this development project. The Public Works Traffic Division will
perform concurrency analysis to determine if adequate roadway capacity exists during the weekday PM peak
period to accommodate the proposed development. Please note that supplemental transportation analysis and
concurrency mitigation may be required if the proposed project creates an impact not anticipated in the six -
year Transportation Improvement Plan (TIP).
The estimated fee for the concurrency permit application is $5,167 (11 — 50) trips_ This fee is an estimate and
based on the materials submitted for the pre -application meeting. The concurrency application fee must be
paid in full at the time the concurrency permit application is submitted with land use application The fee .
Mr. ,Fames Carleton
April 27, 2021
Page 7 of 13
may change based on the new weekday PM peak hour trips as identified in the concurrency trip generation.
The applicant has the option of having an independent traffic engineer prepare the concurrency analysis
consistent with City procedures; however, the fee remains the same.
Transportation Impact Fees (TIF) (FWRC 19.91)
Based on the submitted materials for 500 square feet of drive -through coffee stand, the estimated traffic impact fee
is $35,612.36. Please note, the actual impact fee will be calculated based on the fee schedule in effect at the time
a building permit application is filed and must be paid prior to permit issuance. r
Transportation Impact Anlysis (TIA) (FWRC 19.135) P-e 1'�TY, TG r" 11
A queuing analysis of the drive -through lane is required to demonstrate that sufficient on -sate queue'storage is
available for the 851-percentile queue length without blocking driveways or otherwise hindering ingress/egress
and site circulation. A minimum of 3 site studies is preferred with similar surrounding populations and adjacent
traffic volumes to the subject site. S 1 ff T 1 v-efj r e C 11—c re `r e-
ae.j f T`v�` 3� '�'r 3� ✓LO �i u��7
Street Frontage Improvements (FWRC 19.135) 1
1. The applicant/owner will be expected to construct street improvements consistent with the planned roadway
cross -sections as shown in Map 111-4 in Chapter III of the Federal Way Comprehensive Plan (FWCP) and
Capital hnprovement Program (CIP) shown as Table III-10 (FWRC 19.135.040). Based on the materials
submitted, staff conducted a limited analysis to determine the required street improvements. The applicant
will be expected to construct improvements on the following streets to the City's planned roadway cross -
sections:
S. 34815 Street is a Principal Arterial planned as a Type "E" street, consisting of a 64-foot street
with curb and gutter, six-foot planter strips with street trees, eight -foot sidewalks, and street lights
in a 98-foot right-of-way (ROW). Assuming a symmetrical cross section, no ROW dedication is
required, however, half street improvements are required as measured from the street centerline.
2, The applicant may make a written request to the Public Works Director to modify, defer, or waive the
required street improvements (FWRC 19.135.070), Information about a right-of-way modification requests
are available through the Public Works Development Services Division. These modification requests have a
review fee currently at $500.00.
3. Tapers and transitions beyond the project frontage maybe required as deemed necessary for safety purposes,
taper rate shall be WS^2/60 or as directed by the Public Works Director.
Access Management (FWI
C 19.135)
1. Access management standards are based on roadway safety and capacity requirements. FWRC
19.135.280 provides access standards for streets based on planned roadway cross -sections. Please note
that access classifications are per Drawing 3-1A in the Public Works Development Standards.
2. S. 34" Street is Access Class "2", which permits full access as close as 150 feet to any other street
intersection or driveway, whether on or off the subject property.
3. The proposed drivew ay will likely be within the eastbound left turn storage pocket and thus would
interfere with the 951h percentile queue lengths from the existing traffic control device at S. 3481h St. and
Mr. James Carleton
April 27, 2021
Page 8 of 13
911' Avenue S. intersection. As such, this driveway will be restricted to right -in and right -out only. A C-
curb on S. 348s' Street will need to be constructed by the applicant to limit access to right -in and right -
out. To reduce the proposed driveway width, City staff recommend eliminating the proposed pork chop
and installing C-curb.
4. Provide adequate storage pocket throat length at the driveway. Staff recommends approximately 40 feet
from the back of the sidewalk.
5. Please show all neighboring driveways within 150 feet of the proposed driveway(s).
6. Per FWRC 19.135.280, there may be only one driveway for each 330 feet of lot frontage. This property
does not have the 660 feet minimum street frontage to allow a second access. Additionally, the driveway
must be located no closer than 150 feet to any street intersection or to any other driveway, whether on or
off the subject property. The City may furtber limit or prohibit access to or from driveway onto arterial
streets as deems appropriate for safety.
7. For driveways that serve uses other than single-family residential uses and zero lot line townhouse
developments, the driveway width is 30 feet for a two-lane two-way driveway and 40 feet for a three -lane
two-way driveway (FWRC 19.135.270). Driveway widths may be increased in order to provide adequate
width for vehicles that may be reasonably expected to use the driveway, as determined by the Public
Works Director,
Miscellaneous Safety -Related Comments
1. The applicant must submit a Vehicle Turning Diagram to the Public Works Traffic Division. This
diagram will show how the appropriate design vehicle (such as: Bus, Garbage Truck, and WB-62) can
enter, maneuver, and leave the site without encroaching onto opposing traffic lanes or mounting a curb.
2. The application should be forwarded to King County METRO and Pierce Transit for any transit
requirements.
COMMIT wry DEVELOPMENT — BUILDING DIVISION
Greg Kirk, 253-835-2621, Dreg.kirk&cityoffederalway.com
1. Building Codes. The structure will be treated as a new building permit application and must meet all current
codes including:
• International Building Code (IBC), 2018
Washington State Amendments WAC 51-50
• International Mechanical Code (IMC), 2018
Washington State Amendments WAC 51-52
• Uniform Plumbing Code (UPC), 2018
Washington State Amendments WAC 51-56 & WAC 51-57
• International Fire Code (IFC), 2018
Washington State Amendments WAC 51 -54
• National Electric Code (NEC), 2017
• Accessibility Code (ICCIANSI A117.1), 2009
From: Soma Chattopadhyay [mailto:Soma.Chattopadhyay@cityoffederalway.com]
Sent: Friday, October 29, 2021 11,20 AM
To: 'Mark J Jacobs, PE, PTO'
Subject; RE: 2021.064 - Davis BigFoot Java - Fed Way - Queing Analysis
Mark,
Please address in the final report signage as well as the operational staff action plan if the car
staking queue will exceed 10 vehicle capacity or what action plan if the queue overflow in City
ROW. We like to have some plan ready to mitigate for worst case scenario.
Thank you.
Soma
From: Mark J Jacobs, PE, PTO[mailto:JakeTraffic@comcast.net]
Seat: Friday, October 29, 2021 10:26 AM
To: Soma Chattopadhyay
Cc: 'Mike Baily'; kristen@kwoeng.onmicrosoft.com; jennifer@bigfootjava.com
Subject: RE: 2021.064 - Davis BigFoot Java - Fed Way - Queing Analysis
[EXTERNAL EMAILIWARNING]
This email originated from outside of the City of Federal Way and may riot be
trustworthy. Please use caution when clicking links, opening attachments, or replying to
requests for information. If you have any doubts about the validity of this email please
contact IT Help ❑esk at x2555.
Soma
Attached is the plan with added measures to prevent traffic from backing onto S 1481h Street.
There is space along the west side of the SIB queue lane for customers to clear the driveway in
the rare times, less than 1 % per the data, the site has more than 10 vehicles queued
Contact me with any questions/comments.
Thank you
Mark
Mark J Jacobs, PE, PTOE
JAKE TRAFFIC ENGINEERING, INC
2614 39fh Ave. SW
Seattle, WA 98116 — 2503
206.762.1978 o
206.799.5692 c
From: Soma Chattopadhyay [mailto:Soma.Chattopadhyay@cityoffederalway.com]
Sent: Tuesday, October 26, 2021 10:42 AM
To: 'Mark J Jacobs, PE, PTO'
Subject: RE: 2021.064 - Davis BigFoot Java - Fed Way - Queing Analysis
Yes.
From: Mark J Jacobs, PE, PTO [mailto:JakeTraffc@comcast.net]
Sent: Tuesday, October 26, 2021 10:40 AM
To: Soma Chattopadhyay
Cc: 'Mike Baily'; 'Kristen Orndorff; stevedavisexcavating@gmail.com; jennifer@bigfootjava.com
Subject: RE: 2021.064 - Davis BigFoot Java - Fed Way - Queing Analysis
[EXTERNAL EMAIL (WARNING]
This email originated from outside of the City of Federal Way and may not be
trustworthy. Please use caution when clicking links, opening attachments, or replying to
requests for information. If you have any doubts about the validity of this email please
contact IT Help Desk at x2555.
Soma
Received, thank you!
I provided the queuing analysis via e-mail and I believe you are requesting what mitigation is to
be proposed to prevent traffic from backing onto S 1481h Street?
Mark
206.762.1978 o
206.799.5692 c
From: Soma Chattopadhyay [mailto:Soma.Chattopadhyay@cityoffederalway.com]
Sent: Tuesday, October 26, 2021 10:31 AM
To, 'Mark J Jacobs, PE, PTO'
Cc: 'Mike Baily'; 'Kristen Orndorff; stevedavisexcavating@gmail.com; jennifer@bigfootjava.com
Subject: RE: 2021.064 - Davis BigFoot Java - Fed Way - Queing Analysis
Hi Mark,
We had glanced through the analysis. Please address the mitigation plans in the queing analysis
if incase any traffic overflow will happened in City ROW.
Please feel free to contact me if you have any question.
Soma
From: Mark J Jacobs, PE, PTO [maiIto: JakeTraffic@comcast. net]
Sent: Thursday, October 21, 2021 1:58 PM
To: 'Mark J Jacobs, PE, PTO'; Soma Chattopadhyay
Cc: 'Mike Baily'; 'Kristen Orndorff; stevedavisexcavating@gmail.com; jennifer@bigfootjava.com
Subject: RE: 2021.064 - Davis BigFoot Java - Fed Way - Queing Analysis
[EXTERNAL EMAIL WARNING]
This email originated from outside of the City of Federal Way and may not be
trustworthy. Please use caution when clicking links, opening attachments, or replying to
requests for information. If you have any doubts about the validity of this email please
contact IT Help Desk at x2555._
Soma
The refined Site Plan is attached, it looks much better and the chance of a queue affect to S
348t'' Street would be minimal.
Thankyou
Mark
From: Mark J Jacobs, PE, PTO [mailto:JakeTraffic@comcast.net]
Sent: Thursday, October 21, 2021 1:10 PM
To: 'soma.chattopadhyay@cityoffederalway.com'
Cc: 'Mike Bally; 'Kristen Orndorff;'stevedavisexcavating@gmail.com'; 'jennifer@bigfootjava.com'
Subject: 2021.064 - Davis BigFoot Java - Fed Way - queing Analysis
Soma
Thank you for discussing the proposed BFJ site with me Tuesday
Per my correspondence with the operator of BFJ, I understand that it typically takes a barista
about a minute to two minutes to prepare an order and that per their observations a typical queue
during busy times is two sometimes three vehicles with a maximum of five vehicles. During
busy times the baristas operate at a faster clip with typical orders conducted in a minute
or so.
The applicant team has indicated that the Site Plan can be reworked to provide additional
queuing, 10 total vehicles that I believe would minimize the potential of affecting S. 3481h Street.
Below is Traffic Generation discussion and Queuing Analyses for the site
Over the years I have conducted a number of studies for BFJ using customer transactions data
due to the national ITE TGM 101h Edition data based on sf and a small building footprint that was
not appropriate for use. The data from the BFJ I conducted in Buckley, a 2 window 490 sf facility,
is typical of the traffic generation developed.
TABLE 1R - TF dP GEDEPATON
INMN STFIIEEF BFC FAT JIAVA- B 1PK0_EY
TPAFRC INFACr AMLYSiS -RESPONSE
Tirm Period
St m TG Fie I
BABr %
asrrer Trips E)dt % I
E)dtTrips
Trip
%Tj
Passby Tnls
*Y
FasAw
Toips
pfopoisect
'Neekday
4901
4763 1
5G'
4319 I
50?k
4J-L--IJ
MY41
mj.unl
769
NO peak hour
490
166.7
50?6:
1 4U.S
!:,LM
4u-tsl
82
I tsSJ.t7?t
73
PIVI peak hour
4901
76.9 1
503
18.8
I 5C�5
18.81
381
89.0?
34
- budcftrg
owner is rewling in TarWY
Ale 4day
1
7.32
50
4
5Q?
4
7
0
ANI peak hour
1
0.46
2316
0
r 71%
01
0
0%
PM peak hour
1
0.56
63?
C
3 7 1%
tNeekda,r
-
-
_
429.2
-
428.2
856.5
-
Nl peak hour
-
-
-
40.7
-
40.5
B.:L. 2
-
-
PM peak hour
-
-
18.5
-
1a.6
1 37.1
-
-
where X = units or s
, 9 =1 rips. (Parentheses) denote negative value pars an r oun rng con`,en ion
thelTE data forthis LUC indicates typical espressostand as 913sfki sUBw th cnechtmupseraeceFane. BFJ facilities a
Wth numerous facilities including sites in Auburn, Bonney Lake and Sumner_ BFJ size and being fully self contained make
JT- :lrrc- obtaine-d transaction data for three similar facilitiesas noted. The 9 rip Ganeration rates using the actual site dati
x-k - pass -by per ITE, agency and JFF= Inc- axperience.
NGte: Rounding can result in miner trip differential
The 111" Edition of the ITE TGM was recently published and I have reviewed the new data
against what I had been projected for the BFJ projects.
During the AM peak hour I projected that a 2-window BFJ would generate 82
AM peak hour trips, per the new ITE data about 80 trips would be generated
(the TG rate is 39.81 per window)
For the PM peak hour I had projected 38 PMPHT's and per the new ITE data about
30 trips would be determined (TG rate 15.08 per window)
On a daily basis my estimate was significantly higher 864 versus 358 that I believe is
due to during off-peak times the number of transactions (transactions data was used
to derive the TG value) per vehicle is much higher. During the AM peak it is typically
one transaction per vehicle and is associated with commuter traffic.
The City of Federal Way concern is site queuing and the AM peak is the critical time period of
concern.
Site Queuing:
The Espresso Stand provides two service windows and I understand with site re-
configuration queue storage for ten vehicles could be provided.
There are a number of queuing models available online. The model utilized was developed by:
faculty. washinton.edu/mhillier/ meth551/ ueuein %20Models.xls
Input items needed for the model are arrivals and service rate per hour. The arrival is 40 (per ITE
data) customers in the AM peak hour. The typical service rate to take an order, prepare the
espresso drink and ring it up is one (typical in the AM peak) to two minutes (conservative),
pending the type of drink. The typical service rate is about a minute to a minute and a half during
the AM peak period. Below are the queuing results for service rates of 60 per hour, 45 per hour
and 30 per hour.
60 customers/hour
Template for the /Mls Queueing Model
Data
4 (mean armal rate)
b�= 60 (mean service rate)
s = 2 (m servers)
Pfffl > t4 =' 1 31E
whent= 1 g
r
Rro^> tj =3 01E-
when t =
45 customers per hour.,
Results
L =
0.75
L, =
0083333333
Wz; =
C1 3333�
ry y�yy
Rl'.3�3J33-:5
11 P
0 05
1 0,3333�3333
2 0111111111
3 0.037037037
4 0012345679
5. 0004115226
6 0.001371742
7 0.000457247
0.004152416
0 5.08053E-0.5
10 1 693511 -05
11 5W03E-061
Template for the IMI MIs Queueing Model
Data
40 (mean arrival rate)
t4 45 (mean service rate)
s = 2 (* servers)
Pr(W > t) = 9.86E 20
when [= 7
Prab('al+, �, t) = 5.281 23
when t = �
And 30 customers per hour:
Template for the 11r9IMIs Queueing Model
Data
40 (mean arrive$ rate)
r�= 30 (mean service rate)
s = 2, (n servers)
Pr(=V > 0),
r
r
Prub(W., > t) =' 1 tE 9
when t = 1
Results
L = 3 107692308
L� = 0 2188034-19
VV = 0.0270230S
17 = t) 4.14 i,9�:i:,
n P�
6 0394615385
1 0 341880342
2 0 15194681.9
3 0.067531919
4 0,0300141 6
5 0013339638
6 04D9592872B
7 0-00263499
8 0,001171107
9 4..000620492
10 0.Oit021'33
L = 24
1.066666667
iFv' T 0.06
ysrN W 0026666667
.<66666667
n P�
0 02
1 0.26W6667
2 0 •177777778
3, 0 118518519
4. 0.079012346
5 0-062674897
6 0.035116598
7 0.023411065
8 0015607377
9 0-010404918
10 0006
The queuing analysis results indicate a typical queue of about two to three vehicles pending the
service rate and the probability of 10 vehicles in the queue at less than 1%. This is partly self
controlling as many AM commuter customers are on their way to work or other destination and
will choose to bypass the facility when queuing is observed.
The city's concern is vehicles queuing back onto the street (I concur), a site plan with queue
storage for 10 vehicles and configured to minimize the potential to affect S. 348"' Street would be
recommended per the analysis above.
Please let me know your thoughts on this?
Thank you
Mark
Mark J Jacobs, PE, PTOE
JAKE TRAFFIC ENGINEERING, INC
2614 39"' Ave. SW
Seattle, WA 98116 — 2503
206.762.1978 o
206,799.5692 c
City of Federal Way
2021 FEE SCHEDULE
Exhibit A of Resofution 920-803
SECTION ONE. ANI
Unaltered Cat license per y
Unaltered Dog license per,
Altered Cat:
Altered Cat license fc
Altered Cat license fc
Altered Cat license fr
Altered Dog:
Altered Dog license fi
Altered Dog license f,
Altered Dog license f
Permanent License (owner
Permanent License (disabl
Other Fees:
Replacement Tag
Hobby KenneVHobby Cattery (Plus each individual animal must be licensed)
Penalties: _
Less than 30 days renewal fee
30 - 60 days laie renewal fee
Over 60 days late renewal fee
No refund due to pet moving out of the area or lost pet. The Manager may authorize a refund collected in error.
SECTIONTWO. BUSINESS REGISTRATION. (FI)
General Business Registration:
AND OTHER FEES. (PD)
aar
,ear
$60
—
-one- ear
-_ $20
two year
— $35
three year
— $50
Ir one year
_ ._ $25
rr two year
_ _- $45^
rr three year
_ -- _ $65
65_years of age
and older - if Altered — No Fee_
�d) - ff Altered
No Fee
$10
$20
$25
New Business and renewals, all categories unless otherwise identified herein_.
New Business Registrations and Renewals:
General Commercial Businesses to include, 2nd and Dealer, Dance Hall, Massage Parlor, Gambling (+ $50 per device up to 6),
0-10 Employees—
$80
11-25 Employees
__,�-
S125
26-50 Employees
S250
51-100Employees
S1,500
_
101-500 EEr to eees
v
$4,500
_
501-1000 r mplovees —
--._— .T
S9,500
Outside Contractor
$80-
Home Occupation
_ —
—� $60
Business Registration
-- — ___ _—�
$50
_Temporary
Right of Way
----- ---- --
— $43
Duplicate Registration replacement)
$15_
Specialty License:
Public
Second hand Dealer
Pawnbroker License
See General Business
Registration + $80
See General Business
Registration + $500
See General Business
1- Public Bathhouse Business Registration
2. Bathhouse Attendant per attendant in addition to Business Registration fee �.� _- _ -_ $80
3. Bathhouse Manager per manager in addition to Business Registration fee _ $80
Public Bath House Proration: The entire nnua! license fee shall be paid for the applicable calendar year regardless of when the
application for license is made and shall not,b' a prorated for any part of the year except that if the original application for license is made
renewals shall be required to be obtained and paid in full by January 31 of each respective yearsubsequent to June 30 the license fee for
the remainder of that year shall be one-half of the annual license fee,
AnnualLicense Renewal
Late Penalty:
Failure to pay any registration fee due within 30 days after the day on which it is due and payable shall result in a penalty of five percent or
$5.00, whichever is higher, on the amount of the registration fee, and an additional penalty of five percent or $5.00, whichever is higher, for
each succeeding month of deEinquency or part thereof, but shall not exceed a total penalty of $25.00 or 25 percent of the amount of such
registration fee, whichever is higher.
202f Fee Schedule
Current through RewlvUon 20-$03
Approved 12MI/2020
See below
Per FWRC 12.05.060 (7)
page 4 of 15
LVL
TYPE OF FEE Fee
SECTION TEN. PUBLIC WORKS.
A. Building Moving and (Yversize/Overweight vehicle Permit.-
1. Building moving through City
__,____ — $351
2- Building moving into or within City
$351
Pre -move inspection, the higher of actual cost or
$351
3. Oversizeloverweight vehicle permit
$175_
B. Street andlor Easement Vacation Application
_
1-300 lineal feet
$1 098
Every too lineal feet thereafter, per 100 LF.
-- - --
C. Right of Way Use Permit, includes 1 ins ction _
1. Individual single family homeowner appli ti nos r r -- -- --
$320
- -- - -
_
—. —. —
2- All other applications
$652
3. Supplement plan review fee for any and al permits, per hour
$175
4. Supplement construction inspection for any and all permits, per hour -
$145
5. Inspection outside of normal business hou (at standard Inspection rate times 1.5)
$217
6 Weekend, holiday, and emergency o inspection (4 hours minimum)
$217
—call
7. Re -inspection
$286
8, Jab start penalty fee
$265
O. Right -of -Way Modification Request, plus recording fee"
_ _ —$500
__
1. Reconsideration of determination with aditional supplied infor ation, per hour ��'—
__--_� $1,000
E. Dovelopment Review Fee
1- SiSingle Family
$263
_ —
2- Short Subdivisions Construction Plans (In dudes submission 8 1 resubmission)
$2,105
a. Supplemental lan revlewlconstruction service fee, per hour (far additional resubmission)
$175
b. Construction Inspection Fee, per hour
$149
3. Subdivisions and Commercialllndustrial Developments — _
$3,158
Construction Plans (Includes submission & 1 resubmission)
a. Suppiemental plan-reviewlconstruction service fee, per hour
$175
b. Construction Inspection Fee, per hour
— $145
F. Concurrency
Trips generated.
If less than 1 Q trips
$1,801
If between 10 and 50 trips
It between 50 and 500 trips _-...-
$9,452
It greater than 500 trips
515,152
G. Miscellaneous Public Works Permits and Services (Same fee structure under Section Ei h�UMiscellaneou5 Fees)
H, Franchise and Small Wireless s License & Permits
1. Franchise Application Fee
2. Small Wireless Master Lease Administrative Fee
3. Small Wireless Site Lease Addendum Administrative Fee
4. Supplemental review for any and all franchise applications and small wireless leases/addendumslpermts (per hour)
5. Small Wireless Site Reservation (6 months, maximum 10 sites) Reservation Fee per site _
6. Small Wireless Site Rent (per location per year) _
7. Small Wireless Permit (when included in Site Lease Addendum)`
8_Small Wireless Permit (when not included in Site Lease Addendum)" __... _ ---
per chapter 36.198.010 RCW an_ as amended and K.G. Code 1.12.120 and es amended
Use Permit (Section 10 of Fee Sc edule) is also required for construction and restoration within the right-of-way.
2021 Fee Schedule
e"nf fhnwgh R.-M., 2"03
Appr -d IM112020
$6,000
$2, 000
$652
$175
$135
$270
fee included m Site Lease
Addendum Fee
$652
Page 10 of 15
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Land Use: 938
Coffee/Donut Shop with Drive -Through Window and
No Indoor Seating
Description
This land use includes any coffee and donut restaurant that has only drive -through window
service. A patron cannot walk into the shop and purchase items. The restaurant sells freshly
brewed coffee (along with coffee -related accessories) and a variety of food/drink products such
as donuts, bagels, breads, muffins, cakes, sandwiches, wraps, salads, and other hot and cold
beverages. The restaurant marketing and sales may emphasize coffee beverages over food (or
vice versa).
The coffee/donut shops contained in this land use typically hold long store hours (more than 15
hours) with an early morning opening.
Coffee/donut shop without drive -through window (Land Use 936) and coffee/donut shop with
drive -through window (Land Use 937) are related uses.
Additional Data
The sites were surveyed in the 1990s, the 2000s, and the 2010s in Arizona, New Hampshire,
Oregon, and Washington.
source Numbers
514, 644, 755, 981, 1028
792 Trip Generation Manua[ 111h Edition • Volume 5 No
Coffee/Donut Shop with Drive -Through Window and No Indoor Seating
(938)
Vehicle Trip Ends vs: Drive -Through Lanes
On a: Weekday
Setting/Location: General Urban/Suburban
Number of Studies: 8
Avg. Num. of Drive -Through Lanes: 1
Directional Distribution: 50% entering, 50% exiting
Vehicle Trip Generation per Drive -Through Lane
Average Rate Range of Rates Standard Deviation
179.00 80.00 - 293.00 74.48
Data Plot anti
sao r_'.—
200
r�L
i
�y
X
X
•..................
X
K
00
X Study Site
Fitted Curve Equation: Not Given
1 2
X = Number of Drive -Through Lanes
- - - - Average Rate
ft = _.
3
;�,s� General Urban/Suburban and Rural (Land Uses 800--999) 793
Coffee/Donut Shop with give -Through Window and No Indoor Seating
(938)
Vehicle Trip Ends vs: Drive -Through Lanes
On a: Weekday,
Peak Hour of Adjacent Street Traffic,
One Hour Between 7 and 9 a.m.
Setting/Location: General Urban/Suburban
Number of Studies: 20
Avg. Num. of Drive -Through Lanes: 1
Directional Distribution: 50% entering, 50% exiting
venicie I rip tueneration per urive- i nrougn Lane
Ana to Range of Rates Standard Deviation
39.8 I 16.00 - 69.00 15.44
Data Plot and Equation
200
H 100
u
F--
X
X
��X
X,
X
X
Qq 1 2
X = Number of drive -Through Lanes
X Study Site Fitted Curve
Fitted Curve Equation: T = 63.21(X) -17.43
- - Average Rate
R2= 0.58
794 Trip Generation Manual 11th Edition - Volume 5 NUB
Coffee/Donut Shop with Drive -Through Window and No indoor Seating
(938)
Vehicle Trip Ends vs: Chive -Through Lanes
On a: Weekday,
Peak Flour of Adjacent Street Traffic,
One Hour Between 4 and 6 p.m.
Setting/Location: General Urban/Suburban
Number of Studies: 8
Avg. Num. of Drive -Through Lanes: 2
Directional Distribution: 50% entering, 50% exiting
Vehicle Trip Generation per Drive- i nrougn Lane
Aver g Range of Rates Standard Deviation
5.08 2.50 - 55.00 19.41
Data Plot and Equation
200
N
C
W
fl
F
00
X Study Site
Fitted Curve Equation: Not Given
1 2
X = Number of Drive -Through Lanes
- - - - - Average Rate
R2= M-.
3
�� General Urban/Suburban and Rural (Land Uses 80D-999) 795
Table E.33 Pass -By and Non -Pass -By Trips Weekday
Land Use Code 938—CoffeelDonut Shop with Drive -Through Window
and No Indoor Seating (Coffee/Espresso Stand)
SIZE
S0. P C
GFA)
LOCATION
WEEKDAY
SU EY
DATE -
- -
NO. OF
INTRRV18M -
- � : �
- - TIME PERIOD- -
..
PASS -BY
TRIP(%)
NON-PASS•BY-rRIP5 (%) -
SOURCE
PRIMARY
DIVERTED
TOTAL
0.1
Vancouver,M
Nov. 1997
69
6:O0a.m.-6:00p.m.
83
—
_
17
KittWson&
Associates Inc.
— means no aata were provided
I
Table E.34 Pass -By and Non -Pass -By Trips Weekday
Land Use Code 938—CoffeelDonut Shop with Drive -Through Window
and No Indoor Seating (Coffee/Espresso Stand)
..
... _
WEEKDAY..
EEKDAY
..
NON-PASS-13YTRIPS(9S) -
EMPLOYEES
- LOCATION
-
DATE
DATE
No. OF
1NTERVIEM
--
TIMEPEiIOD
PASS -BY
- T.R{P(°i5j-'
--_
SOURCE
PRIMARY
DIVERTED
TOTAL
1
Vancouver, WA
Nov 1997
70
6:00 am. -&OD p.m.
83
—
_
17
Kittelson &
Associates Inc.
1
VWodbum, OR
Feb. 1998
109
8:00 a.m.--6:00 P.M.
95
-.-
—
5
Kdtetson &
Associate. Inc.
1
Vancouver, WA
Feb. 1998
83
8:00 a.m.-too P.M.
69
—
—
11
Kittelson &
Associates Inc.
r
llv 1 civo r215A Dy I rip rercentage: 11
—" means no data were provided
Table Ex35 Pass -By and Hon -Pass -By Trips Weekday, AM Peak Period
Land Use Code 944—Gasoline) Service Station
_
- NON�ISS-SY TWPS (%)
�-
{
S ZE
BTREEr
(1,000
- VEHICLE
�
. VVEeQAY -
- -
.....
..
PEAK. .
SLLFt -''
FUELINC9.
- ..
-SURVEY
NO. 4F-
-
PASS -BY
HOUR
l
- . GFA)-.-
, VOSIrIONS
LOCATION, -
- DATE
`.:INTERVIEWS:
.- TIME PERIOD
'TRIP (%] �
PRIMARY
DIVERTED
TOTAL
� VOLUME
SOURCE
2.3
6
GartMobuig,
1992
37
7:00-8:00a.m.
32
41
27
88
2,080
2.1
6
Bethesda,
1992
28
7A0-9:00 a.m.
58
23
t9
42
2,080MD
1.7
6
Wheaton, MD
1992
21
7:06-9:00 a.m.
67
14
19
33
900
2.0
a
Gaithersburg,
1992
46
7:00�:00a.m.
87
13
0
13
2,235
..1
1.2
6
D 9'
1992
21
7:00-e:w a.m.
43
28
29
57
870
R :'
0.3
12
Wheaton, MD
1992
35
7:00-0:ODa.m.
61
8
31
39
3,48o
rS-
Average Pass -By Trip Percentage_ 58
—" means no data were provided
216 Trip Generation Handbook, 3rd Edition_