TraffEX 05-18-07 001GHq[i
~Q~ ~ S~ avu rucwFwwG,inrvo vi rwmius. miavrnNC. ~mnonmeurnr eemiees
m. Z
~~~ ~ May 18, 2007
°2s a COURIER DELIVERY
r
°` ~'~'G ENG\NE~
Nisha Bos
Town of Yelm
10~ Yelm Avenue Wcs[
Yclm, WA 98597
RE: Yelm RV Park and Storage
Our Job No. 12433
Dear Nisha
With this letter, we are submitting a Traffic Impact Analysis (TIA) scoping report prepared by TraffEz
dated March 2K, 2002 This swping report is intended to address and initiate communication with the
Town oC Yelm regarding [hc required TIA for the project referenced above.
Our office has previously submitted responses to your letter dated February 23, 2007, regarding locating
the ofC-site well and selecting an alternative stormwater quality system for [he project. As noteA in our
April 25, 2007, letter, the oCf-site well has been located and a 100-foot well protection radius has been
identified on the plans. In addition, as shown on Sheet C2 of 3 of the plans submitted on April 25, 2007,
we identified that we have selected the Aqua Swirl water qualiTy system in lieu of the vortsentries water
quality system that was originally proposed. The Aqua Swirl water quality system was one of the two
methods of water quality treatment identified by the Mown oC Yelm as acceptable.
Plcasc route [he previously submitted plans dated April 25, 2007, along with [his traffic scoping report to
the appropriate review parties within [he Town of Yelm. Should you have questions or need additional
information, please contact me a[ this office. Thank you.
Respectfully,
~~~~-,
Ivaaa Halvorsen
Senior Planner
IH/ath
12433c.003.doc
enc: scoping Report for TIA Prepared by TraffEs Dated March 28, 2007
ec: Vince Geglia, TraffE,x
Hal P. Grubb, Rarghausen Consulting Engineers, Inc.
'821672ND AV/ENUt SOUIH K6NL WA 9P~2 ;1251951-0929 G~$j 951-8]B9 rnH
ERANCY OFHCtS • OLYMPIA, WA • TACOMA, WA • SAGRAMCNTO. C4 1 TEMCCIIUV, OA
mvmcbo.gM1auson com
Traff~ NOFTHWEST TKAFF/C EXPEKTS
107 D4 - 1111h Ave N.E Kirkland, WA 98033
fhone~ A25S22.4118 fax. 425.5224311
March 28, 2007
Randy Weber
c/o Hal Grubb
Barghausen Consulting Engineers, Inc.
18215 72ntl Ave. South
Kent, WA, 98032
Re: Yelm RV/Boat and Mini Storage
Scoping Report for the Traffic Impact Analysis
Dear Mr. Weber:
We are pleased to submit this traffic Scoping report for the proposed Yelm
RV/boat and Mini Storage located on the west side of Rhoton Road SE in the City of
Yelm. This scoping report is prepared per the City of Yelm Traffic Impact Analvsis (TIA)
Guidelines and conversations with the City staff.
A full TIA will be prepared after the trip generation and distribution is reviewed
and approved by the City. The proposed project consists of approximately 83,200 sq. ft
of mini storage buildings that includes an office and an open area for RV and boat
storage.
PROJECT DESCRIPTION
Figure 1 is a vicinity map showing the location of the site and the surrounding
major street network.
Figure 2 shows a preliminary site plan. The project consists of 11 mini-storage
units and a 1,050 sq. ff. office building for a total of 83,200 sq. ft. of gross building area
on the site. Parking consists of 6 stalls for the office and 38 marked stalls for RV
storage. An unmarked area is also provided for RV/boat storage. Paved drive aisles
surround each of the proposed mini storage buildings and the open RV parking areas.
Vehicle access is provided by two driveway connections to Rhoton Road SE as
shown in Figure 3.
TRIP GENERATION
The proposed Yelm RV/Boat and Mini Storage is expected to generate the
vehicular trips during an average weekday and during the street traffc peak hours as
shown in the following table:
Randy Weber
c/o Hal Grubb
Page 2
Trafff~
TRIP GENERATION for 83,200 SF MINI-STORAGE
Time Period Trip Rate Trips Trips Total
Entering Ezi[ing
104 104
Average Weekday 2.50 208
50% 50%
AM Peak Hour 0.15 12
59% 41%
PM Peak Hour 0.26 22
51% 49%
A vehicle trip is defned as a single or one direction vehicle movement with either
the origin or destination (exiting or entering) inside the study site.
The trip generation is calculated using the average trip rates in the Institute of
Transportation Engineers (ITE) Trip Generation. Seventh Edition, for Mini-Warehouse
(ITE Land Use Code 151). These trip generation values account for all site trips made
by all vehicles for all purposes, including customer, employee, visitor, and service and
delivery vehicle trips.
TRIP DISTRIBUTION AND ASSIGNMENT
Figure 3 shows the PM peak hour site trip generation and distribution for the
project. The trip distribution is based primarily on existing traffic volume patterns, the
characteristics of the street network, the location of likely trip origins and destinations
and expected travel times. Existing PM peak hour counts are attached in the technical
appendix.
The distribution was carried out to 10 trips for intersections within the City of Yelm
which is the threshold for identifying intersections requiring analysis per the City of Yelm
Traffic Impact Analysis Guidelines.
If you have any questions, please call 425-522-4118. You may also contact us
via a-mail at vinceCo)nwtraffex.com or larrvna nwtraffex.com.
Very truly yours,
/~~
Vincent J. Geglia
Principal
TraffEx
Larry Hobbs, P.E.
Principal
TraffEx
E%RPES 9115gf
pp•ry e,
..
__~ ~
~__. ~. _... _._. _. ~ ~'ti.
~~ ^ 2
gs2 TraffE~
NOFTHWEST
TRAFF/C EXPERTS
_ ~ t ~..~ ~"'~..
~:
i
1f z
wt
a ~`~' ~
,.r i
~~~ ,.c ~
City of Yelm Mini-Storage
Ycinity Map
!` i l f
~'! L-~
~ 4
r }~^ i~ ~ ifl
~Y
~~
~~
,~ ~ (r
SSW:. p/ \~ /~
Figure
1
Traff~
NOATFiwEST
TQAFF/C EXPERTS
r __,-~~-
.fF 6..nia a IE R9~sn/! > irq'„ $-uak-'~['f. f, ' t'.
i
i. _ <
%/ y~~i
\ ,fF E1.m~~; l / •,
~r~ A /,
k
~
.,.
~ r..
~
s r ,:. F,
...a, r
9.ano '
}
City of Yelm Mini-Storage
Figure
Site Plan 2
TraffEx
TRAFF/G EXPERTS
9 6 '\
1 l 1 l`p 4
p' O (p S
1p'1 i / p
a o 0
Spe RCttssl Roden Rtl \~G` £
CT
f~
P.' 1 .p
P - O (p
0'~,. 0
Rnaen RrllNdth Pac Rd
0./ ~ •~1
p-®~p G
p o~~ op
Ist SI N(Railway Rtl 4ta~
v N tV \/
5 1 v.i ~_.-_
0 os ~ o` d
Ist SI Nl Velm Ave
PM Peak Hour Legend
ii Enler 15% Pement~e o(Pmled irufFc PMPeek
11 Evil «i5 PeaA Hour volmne and Direc9on
22 iolal
City of Yelm MiniStorage
Figure
PM Peak Hour Trip Distribution 3
TECHNICAL APPENDIX
Peak Hour Summary
wrv ~~
(mel a+~
Rhoton Rd NW & Northern Pacific Rd SE
5:00 PM la 6:00 PM
Wednesday, September 15, 2006
3
E
= 03 61
C
SB 4
y y
R ^i
116
~q t( 115
n•1:
S
id2
Northern Pacific Rd SE
T a
60 108
2
1r~ tsa a
K
c
0
`o
t
C
Approach PHF HV% Volume
EB 0.00 00% 0
WB 0.83 3.4% 116
NB 0.95 2.5% 198
SB 0.86 3.2% tit
Intersection 0.94 2.9% 3]6
Count Period: 3:30 PM to 6:30 PM
Total Vehicle Summary
~ .
Mai48Aappa
ISeI$51~0300
Rhoton Rd NW & Northern Pacific Rd SE
Wednesday, SeptembeE 73, 7006
3:J0 PM to 6:30 PM
15~MInme Interval Summary
3:30 PM fo B:Ja PM
r ~ si al
~" .~ 1 4 P~ o:~
U.I 0 S ',y ~ 1 116 N
n5
Nv p,px
PNE 49p h t r' ~ a
,~
out M
Il] 19B
Peak Haur Summary
5:00 PM fo B:00 PM
In1ervA
SN
ilme NwlntounJ
__ WpMPoNW
''. i a HJ Saulnbwntl
_ IAd_m_ PoNW
L 1 HJ ExIWU,b
1MOm PaoO[WSE WgROUM
MMpn P¢ulk gp3E
R HJ
InM1nal
ioW
J 30PM _.s d $] < 0 I6 _____ _.p 11 0 1 Bd
0 PM - ] ; _ t $ 8
dCOPM
~ J
$
L
1 _
10 _
0 _
0-
d 5pM B $B p f
n L 1 J _ 0 90
d]p M
IB
b
I
_
8 _
0 _
BB
5 M
_L
] ~
0
_
N
_
_
21
_
1
1 _
8
JN PM }t 1 0 }$ D $ Op
51 M
__ I
] ~
0 _ _
0 .
95
SMVM _ 1 ]] 0 _ ~_ P _
~ 0 0 YI
J M I1 J9 E 3 0 ___ 1 _ N
BWPM ~ 10 IS _
4 _
_ Ry 0 _ _
2! _ _
- 0 1 i2
fi 15 PM Tt0 ]5 ]
I p p 0 eJ
Taal3uney tR ]y $J I
BS 0 2q L0]6
PeaA nouT Summary
5:00 PM l0 6:00 PM
N nCOUnO Sa nboun0 E SMwnG W»MwM
bpgN - -
a
m Ni NY NN' NaM Pwfic. RYS Nalnwn PxM[PG SE
p&T IN
X ~
l P ioY NV LO i iqa I n WI TWN IN
]rl 5
1°B i 6$ ~ 1
Y5~ E 0 1 O
O
O_~ 116 Id
58 d
~
~
~ od~ n
0.9J 0 O
w
xwlnbwm swmeo.oa E»row~a wwbw~e
Mo+~,l - Rna~, PJ Nw Rn Ne Nw
-
_. - -' xmnan vaon[ras
- -.. xaMam Pa n[wsE
_._- row
r R ii~a T
Tmm r "p raM
Vaume _ _ fi0 FM i196 _ SB 62 0 115
1 If6 96
PNF
O08 09t 0.65
W B5 OB6 __ _ _
- - OW _ _
On$ ~ 025 083 ___
09d
Rolling Hour Summary
J:JO PM to 6:J0 PM
-
-
Peak Hour Summary
u.maww
(A6j E51LNA
1st St N 8 Railway Rd NE
5:00 PM to 6:00 PM
Wednesday, September 13.2006
2
h
N
1]3 196
164 0
i y
R ^e
60
n
..
s
es
Ra(Iway Rd NE
T T
19o n
3J6 26]
2
N
N
Approach PHF HV% Volume
EB 0.00 0.0% 0
WB 0.63 2.6% 80
NB 0.93 22% 26]
58 0.67 3.5% t]2
Int6rsecllon 0.87 2 ]% 519
Counl Period: 3:30 PM to 6:30 PM
Total Vehicle Summary
~.
MaN Skap95
3W135Y0]00
1st St N & Railway Rd NE
Wetlnestlay, Septem6eP 1J, 1006
3:30 PM to 6:30 PM
15-Mlnuro rnferval Summary
J90 PM to 6:30 PM
~d
I]3 90
~
° .~ 1 4 ~FO
P
~
S ~ 0
Qil 0 W In
~ ` ~
inD maw
Z r~i3
HJ 00%
"'~ aDD h t r'
~, a
I~ ]
w I~ ~€
zx zM
Peak Rau Summary
S00 PM M 6:00 PM
IMervL NmOlbwnE SoulbbwM Eaa1MM Wae1WwW
sIM 151SiN _ Iy51N nalM qa NE RNway RafE
- MlarvL
nma r a HJ t T i M/ L I ft fH rdnl
3 Y~PM _ U 12 6 1 A I _ 20 1 5 11] _
3a5 6 D $ _ I T l _ 6 ___ 2 $ 10.5 _
'
dWPM ]] 5 ] 0
~ 6 D 1a5
6 SPM 1] 11 5 `
a2
l 0 1] 2 0 120
i]OPM <] li7 I
~ _
_
_
B 99 1 11 _ _ 1 1 115
SPM_ _ __ $ J
3 l JJ $ _ I9 f 0 II1
5W
5 22 I ~
I Q 3 I6 2 0 ]
SPM __
_
19 2_
d I b
i __
~ ~
]t dl
kWPM
-
-
60
'
tl 1
-
3 Y
-
2
_
_ -
_
12
_
_
1
1~ _
~~ii4
s<S PIA _
'~~' afi 20 z I F
b
- _
-
i
_ _ _ _
~' 13 > o_ Iv
BNGM 3] IS 4 2 <5 J IS 1 0 101
6]5FM
<9
I] t
] )S
0
15
'
z
6 _
u>
idNSuevry 51] 19> ]2 39 d5fi fi Af0
Peaty Hour Summary
5:00 PM fo 6:00 PM
NB N Nn na 6ouNOmM EaaDwne WeaRauntl
M4,eaN
S _ fa1SIN R Ma Rp NE W qa NE ioW
n W
da Hv VLI ~ idal ~ HJ M i 0., ~ TMN i A Qil id NV
I
Mre ]
26]
2M 6 I 49
JN 6 0 0
0 00 85
185 2
I ._
I % _ . _. 09y
P D e3 00 DW 00]
~ x~ ~,enm~,~e E,.m,.a wa.aw.a
w..~.m sn
'
'
_ 1asN
. PnMVe Re NE
-_ -
-_ P. Ra xE
•.__ rum
R roiai ~,- i rom rda
L ma
R
Vdww _ _ 190 ]] 26I 0 I ]G _ 112 0 ]2 0 00 _ N9 _
PNF 095 0.]t 09l 05D Or9 Og1 OW ON I 0.01 86S 091
Rolling Nour Summary
]90 VM M 690 VM
lervm
c NuMM1OUnJ SeWI,M1euntl E»kouM WnlWimtl
BW 15161N _
- 1st $IN M
e R
N
Pq
a
E Rai RO Nf IriNrvm
rlmm iT~IN - L i "-HJ _
_
_
_
_
_ L R IN' lWl
6'IDPM __ _]0 _Sd 16 5 5 ` _ 5.
- 6E
.__. 5 ¢ __nO _..
T. SPM W Y ` _ 50 5 mS
aWPM
_ _
-
1C5 59 11
_
I
S
9
1 _
I51
15 PM q ]1 ~ 9 5 1@ S 5B _ __ 9 1 OB9
JOPM_ _ Iq ]0 6 1 I 6 1 _ B 'L 50
SPM ~ c 6 _ 0 f Sfi ]5 9 2 A3
LOPM 90 6 8 I 6d fi B 2
~
5 SPM _
- tH 85 9 ~ ] _ ]I $ ]]
5WM 1m 6] 10 0 19 6 5B 0 1 I6]
Peak Hour Summary
.,. s.xa+
rpmzm woo
1st St & Yelm Ave (SR 570)
4:30 PM to 5:30 PM
Wetlnestlay, September 13, 2006
N
N
330
110 tt 49
r y y
Yelm Ave SR 510
R is
'rag E su 199
IL no
11 F
1]1 9/ s
)84 596 ~ 8]9
], y
Yelm Ave (SR 510)
R 7• >7
1zs eo ts?
ne 396
h
N
Approach PHF HV% Volume
EB 0.94 1.] % 76A
We 0.93 2 ]% 700
NB 0.95 3.5% 398
58 O.B2 35°< 230
Intersection 0.96 2.6 % 2,092
Count Period: 3:30 PM tc 630 PM
Total Vehicle Summary
~ _
Mm45Maw[
12061261~OM]
1st St & Yelm Ave (SR 510)
Wednesday, September 73, 2006
J:JO PM fo 6:30 PM
1SMlnvfe Interval Summary
]:]0 PM ro 6:]0 PM
ap N In Ptl
z3D 2n
110 1 9
~ ~ .~ 1 4 R~ o **
131 J L .5
WI id9 590y Yf ~.. 61a ~ N
X iN B]8 WI
]]' rlro
~ 1 ]Ye
vNF 09M1 h t
125 PO ,9]
a M~ ;~
Peaty Hour Summary
d:Jg PM ro 5:30 PM
Inlwa NwIMOUntl SeulN4cun0 Ea¢MwM WmNOUntl
SIM _ Ii151
._.
. _ IN51 _
- Ytlm AV_e j5R5f Of_..
E Ytlm Aw SR510 InldnY
alma ~
L I i fl L 1
~ ft HY T R VN
L L 1 R IN Tdnl
~PM T
25 a 2 20 N t A 128 9 12 v9 IDB 2 4]1
3 SPM _
d0 2H
~ 0 6 2 15 8
~ EB
... 118 ] Wf
WPM
]6
~
5
5
9
+
30
d
_
~
28
q
5
52
Ill
l
9 _
519
'
15 MA 84 I-M 1$ 5 EI R 0 EB L1a5 1) f10_ f0 2 SR _
]O PM
- 26 ~2 c] E ~ 1] 29 I J I ]5 6 0 U 3B ] 0 vAE
95PM
25
E
9
22
2
8
Yi
>
1
]B
8 __
N
5-0O FM
b{ 9
5
2
20
T 15
25
1
~'(
119
E
8 __
Std
515M dD 22 A d t5 1 5 3f 3 ]I ~ IW P_ 0 dl R8 1 ]_ SdE _
6 ]O MA
Y2 21
19
0
1D
]
2! a8
29 5 6 ]6 123 ] <96
555 FM_ _31 Ffa N _
B
- A II 21 0 281 db_ 9 6 51 q0 ID ] 520
BWGM
R 9
}.1
_i
I
26
26
]
9 - 49
~-~
]
-
a
~
L
125
B
3 _
a5]
F16 FM 9 2a 10 I 5 ] 21 - ~ _
_ _
J< 1]0 d 12 iM U 5 OI
i6M 9urv dW 21B 50.5 56 2]1 JV2 3> 3f01 llB SB d99 l.d]6 ]2 R Bi065
Peak Naur Summery
d:JO PM to 5:JOPM
RY RubbwM1e s lnbow~a E.xboum waxWwa
Avvo>m sl
" ,st
..
.. a ara ssR~S+_B1
- remnw fsRSmj
-
"
' Tmal
le
. . a row.; IK ~
I 1 o Tmai l mTal rm.~ N+ ~ (W11
roa l
iiJ
_Vtlume_ ]98 98 ~ 616 Id 2]9 2D M1S] 8 ]6a ]<B 161] q IW
e]
0 iS]9 19 ]D92
%tN
35%
35% _
_ _
PNF
695
0.62 0'9<~ 093
098
SoulMwntl Ea¢Mwne WaalWUntl
AbemMnl 1 5 _
~ US
~
~ YmPw ~$R51D
"
- YeIm Pre SR 510 ioW
idnl
L' L
1 P fdN roW
L
i fl _
L T R TCW
Vdume 125 m 19] 300 d9 Y1 110 2d0 1]1 6B6
0] ]6 1N SN 10 ] R
W2
_
PHF 0.>~091 0]8 095 Ofil 0]1 06100} _
pd ry] 0110N 09a OJ OSY 09] ~
096
Rolling Nour Summary
3:30 PM fo 6:J0 PM
IMmM XMFEJUntl $oulbbowtl EaelMwtl WnWantl
sm LI S1
_ 1as
- - -_
_ v.Im A.. sflsm
.-__ _ ramnw Lgslol
- Im...x
nm. TT * R iiv L
r
R IN L i R M/ L i fl MJ ioial
JO_PM tO B9 Bd 25 ~ 5 9i_ __} _ .113 568 y 2 _ 6] 42 20 05_ _ 201] _
l 5M1 1]8 65 81 20 9 ~ BE A 10 111 610 W 2 1 JR E6 8 204
W _2] 5 209 25 ~ 0 9 ] 58T ~] B Ii0 _
dH 2 3d 3W]
SGM 31 AB R_ _9 Y 6 0 50 dl E DB R 28 ep
30 FM 26 W 19] 11a 8 131 598 ]] ] A 810 8 2092
5FM ]1 BJ 6 B _ 62 _0
W 32 6W ]) J 6E 98B 6 0 006
SWGM dp
~ )9 1 10_ _6p I M~ a _31 5 R SLO Z1 6 20M
SPM IA 168 I6 69 m 6 0 686 L 6 50a 3 31
5]O GM iy E9 168 1] ]9 A 9511 1011 565 26 IB t62 ~0 ]6 10 .
1950-