HomeMy WebLinkAboutEx_11_Advisory_NotesDEPARTMENT OF COMMUNITY
AND ECONOMIC DEVELOPMENT
Page 1 of 5 LUA21-000233
ADVISORY NOTES TO APPLICANT
The following notes are supplemental information provided in conjunction with the administrative land use
action. Because these notes are provided as information only, they are not subject to the appeal process for
the land use action.
Planning:
(Contact: Alex Morganroth, 425-430-7219, amorganroth@rentonwa.gov)
1. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 pm, Monday through Friday unless
otherwise approved by the Development Services Division.
2. Commercial, multi-family, new single family and other nonresidential construction activities shall be
restricted to the hours between seven o’clock (7:00) a.m. and eight o’clock (8:00) p.m., Monday through
Friday. Work on Saturdays shall be restricted to the hours between nine o’clock (9:00) a.m. and eight
o’clock (8:00) p.m. No work shall be permitted on Sundays.
3. Within thirty (30) days of completion of grading work, the applicant shall hydroseed or plant an
appropriate ground cover over any portion of the site that is graded or cleared of vegetation and where
no further construction work will occur within ninety (90) days. Alternative measures such as mulch,
sodding, or plastic covering as specified in the current King County Surface Water Management Design
Manual as adopted by the City of Renton may be proposed between the dates of November 1st and
March 31st of each year. The Development Services Division’s approval of this work is required prior to
final inspection and approval of the permit.
4. A National Permit Discharge Elimination System (NPDES) permit is required when more than one acre is
being cleared.
5. The applicant will be required to submit a Final Stream Mitigation Report and Maintenance and
Monitoring proposal. In addition, the applicant will be required to comply with all the code requirements
of RMC 4-3-050 Critical Areas. This includes, but is not limited to, placing the critical area within a Native
Growth Protection Easement, providing fencing and signage, and providing the City with a site
restoration surety device and, later, a maintenance and monitoring surety device.
6. The applicant may not fill, excavate, stack or store any equipment, dispose of any materials, supplies or
fluids, operate any equipment, install impervious surfaces, or compact the earth in any way within the
area defined by the drip line of any tree to be retained.
7. The applicant shall erect and maintain six foot (6') high chain link temporary construction fencing around
the drip lines of all retained trees, or along the perimeter of a stand of retained trees. Placards shall be
placed on fencing every fifty feet (50') indicating the words, “NO TRESPASSING – Protected Trees” or on
each side of the fencing if less than fifty feet (50'). Site access to individually protected trees or groups
of trees shall be fenced and signed. Individual trees shall be fenced on four (4) sides. In addition, the
applicant shall provide supervision whenever equipment or trucks are moving near trees.
8. This permit is shall comply with the Bald and Golden Eagle Protection Act. The permitted is responsible
for adhering to the U.S. Fish and Wildlife Service National Bald Eagle Management Guidelines (2007) and
/or your U.S. Fish and Wildlife Service permit.
Development Engineering:
(Contact: Scott Warlick, 425-430-7216, swarlick@rentonwa.gov)
1. See Attached Development Engineering Memo dated October 6, 2021
Exhibit 11
DocuSign Envelope ID: A01D9207-C441-4435-A507-5D260CAF903E
ADVISORY NOTES TO APPLICANT
Page 2 of 5 LUA21-000233
DEPARTMENT OF COMMUNITY
& ECONOMIC DEVELOPMENT
M E M O R A N D U M
DATE: October 6, 2021
TO: Alex Morganroth, Planner
FROM: Scott Warlick, Engineering Specialist III
Brianne Bannwarth, Development Engineering Manager
SUBJECT: Utility and Transportation Comments for SWA2 Amazon
1905 Raymond Ave SW
LUA21-000233
I have reviewed the application for the Amazon distribution facility located at 1905 Raymond Ave SW and have the
following comments:
EXISTING CONDITIONS
WATER: The proposed project is within the City of Renton’s water service area and in the Valley 196 pressure zone.
Below is a summary of the existing water system in the project vicinity:
1. There is an existing looped water main on the site:
• 12-inch and 10-inch looped water main on site that can deliver a maximum capacity of 3,400 gallons per
minute (GPM) – refer to City water project plan no. W-231404
• The static water pressure is approximately 77 psi at ground elevation of 18 feet.
2. There are existing water services to the subject property:
• 2 – 2-inch domestic water meters without backflow prevention assemblies.
• 2-inch landscape irrigation meter with 1.5-inch Double Check Valve Assembly
• 8-inch fire sprinkler stub with 8-inch Detector Double Check Valve Assembly located inside building.
3. There are 4 existing fire hydrants on the site.
SEWER: Sewer service is provided by the City of Renton. There is an existing wastewater lift station with a 4-inch
wastewater main on site (record dwg: S-231404).
STORM DRAINAGE: The northern portion of the site is building and parking lot, the eastern portion of the site is
adjacent Springbrook Creek which is classified as a stream, and on the southern portion of the site are mapped
wetlands. Other critical areas on site are a regulated shoreline with regulated slopes on-site exceeding 25% and a flood
hazard area marking the 100-year flood zone on-site.
The storm water from the parking lot are directed to two private stormwater detention ponds (facility ID No. 146815)
through private stormwater conveyance system consisting of pipes and catch basins that direct surface water to the
stormwater detention ponds (Record Dwg. R-23140C).
STREETS: The project site does not front directly on to a City of Renton public right of way. Rather the project takes
access from the intersection of Raymond Avenue SW and SW 19th Street through an access easement on the adjacent
parcel (PID 2423049020) that separates the project site from the public right of way. The following describes the existing
street sections:
• Raymond Avenue SW (Commercial Access Street) – 60 foot right of way width with an 36 feet paved roadway
(two 18 foot lanes as the roadway approaches the intersection with SW 19th Street) with a concrete curb and
gutter, 6 foot planter, and a 5.5’ sidewalk on each side of the roadway.
DocuSign Envelope ID: A01D9207-C441-4435-A507-5D260CAF903E
ADVISORY NOTES TO APPLICANT
Page 3 of 5 LUA21-000233
• SW 19th Street (Commercial Access Street) – 60 foot right of way width with an 18 feet paved roadway (two 18
foot lanes as the roadway approaches the intersection with SW 19th Street) with a concrete curb and gutter, 6
foot planter, and a 5.5’ sidewalk on each side of the roadway.
WATER COMMENTS:
1. A Reduced Pressure Backflow Assembly (RPBA) will be required behind each of the two (2) existing 2-inch
domestic water meters. The RPBA’s shall be installed in an above ground heated enclosure per City standard
plan no. 350.2. A water permit is required for this work.
SEWER COMMENTS:
1. No Comments
STORM DRAINAGE COMMENTS
1. A drainage report complying with the current Renton Surface Water Design Manual (RSWDM) will be required if
the project results in more than 2,000 square feet of new and/or replaced im pervious surface onsite or offsite.
Based on the City’s flow control map, the site falls within the City’s Peak Rate Flow Control Standard (Matching
Existing Conditions). The site falls within the Black River Basin and Springbrook Creek sub basin. Refer to Figure
1.1.2.A – Flow chart to determine the type of drainage review required in the RSWM.
2. Erosion control measures to meet the City requirements shall be provided.
3. The development is subject to a surface water system development charge (SDC) fees. Fees will be charged based
on the rate at the time of construction permit issuance. The current SDC fee is $0.80 per square foot of new
impervious surface but not less than $2,000. The full fee schedule can be found at:
https://edocs.rentonwa.gov/Documents/DocView.aspx?id=8371984&dbid=0&repo=CityofRenton
TRANSPORTATION/STREET COMMENTS
1. The project does not take direct access off of an existing public right of way therefore no frontage improvements
are required for the project as it relates to Renton Municipal Code (RMC) 4-6-060.
2. A traffic impact analysis (TIA) prepared by NV5 Engineers and Consultants, Inc. dated October 28, 2021 was
submitted for review. The TIA evaluated traffic operations at twenty-three intersections around the site. The
intersections evaluated were:
a. Raymond Avenue SW and SW 19th Street and Site Driveway
b. Lind Avenue SW and SW 19th Street
c. Lind Avenue SW and SW 16th Street
d. Raymond Avenue SW and SW 16th Street
e. Oakesdale Avenue SW and SW Grady Way
f. SW Grady Way and Powell Ave SW
g. SW Grady Way and Lind Avenue SW
h. SW Grady Way and Longacres Drive SW
i. WA-181/Interurban Avenue S and SW Grady Way/Southcenter Boulevard
j. Interurban Avenue S and Fort Dent Way/I-405 Westbound ramps
k. WA-181/West Valley Highway and S 156th Street/I-405 Eastbound off-ramp
l. SW Grady Way and Maple Avenue SW
m. WA-167/Rainier Avenue S and SW Grady Way/S Grady Way
n. WA-167 and I-405 Westbound ramps
o. WA-167 and I-405 Eastbound ramps
p. Lind Avenue SW and SW 27th Street
q. Lind Avenue SW and SW 34th Street
r. Lind Avenue SW and SW 41st Street
s. East Valley Road and SW 41st Street/WA-167 Southbound ramps
t. SW 43rd Street/South 180th Street and WA-167 Northbound ramps
DocuSign Envelope ID: A01D9207-C441-4435-A507-5D260CAF903E
ADVISORY NOTES TO APPLICANT
Page 4 of 5 LUA21-000233
u. SW 43rd Street/South 180th Street and East Valley Road/East Valley Highway
v. SW 43rd Street/South 180th Street and Lind Avenue SW/88th Ave S
w. Oakesdale Avenue SW and SW 16th Street
The intersections were evaluated using Level of Service (LOS) methodology under existing conditions, existing
plus project conditions, and project opening year conditions. LOS evaluation was done in accordance with the
industry standard Highway Capacity Manual (HCM) Sixth Edition. The turning movements counted were
obtained by StreetLight Data, Inc. in 2019 to capture pre-pandemic traffic patterns. From this data, existing LOS
was determined for each intersection. The report concludes that in the existing condition 16 out of the 23
intersections evaluated operates with an approach or overall LOS below D during at least one peak hour.
As noted in the TIA, the prospective tenant has a unique operation that are different from those included in the
Institute of Transportation Engineers (ITE) trip generation manual, 10th Edition. Trip generation provided by the
tenant is based on their planned employee head count, delivery operation, and line-haul movements. The
development is expected to generate a total of 3,130 daily trips, 341 AM peak hour trips (171 entering, 170
exiting) from 7:00 – 8:00 AM, and 180 PM peak hour trips (102 entering, 78 exiting) from 4:00 – 5:00 PM. This
project trip distribution was projected for the AM, Mid-Day, and PM peak hours. Trips were assigned to the
existing City streets at the study intersections based on an understanding that most of the traffic is destined to
and from I-5 to the west and SR-167 to the east. City staff has reviewed the trip generation and trip assignment
and found it acceptable.
Using the trip assignments, the LOS for the following conditions were established at each intersection:
a. The existing condition without the project;
b. The existing condition with an annual growth rate of 3% for a 2025 Horizon year; and
c. The existing condition with an annual growth rate of 3% for a 2025 Horizon year with the project trip
distribution.
The report concludes that signal warrants at the Lind Avenue SW and SW 19th Street intersection were met
during the AM and PM peak hours for both the existing condition and increased with the project through a 2025
Build Condition.
The report recommends the following mitigation measures be implemented:
a. Intersection of Raymond Avenue SW and SW 19th Street:
i. Widen the westbound approach width of SW 19th Street to a minimum of 20 feet (two 10-foot
lanes).
ii. Provide additional advanced warning signage on the westbound approach of SW 19th Street and
the southbound approach of Raymond Avenue SW.
iii. Trim shrubbery/vegetation in the immediate vicinity of the intersection to improve sight distance.
b. Intersection of Lind Avenue SW and SW 19th Street: Install traffic signal.
c. Intersection of Raymond Avenue SW and SW 16th Street: Install roundabout.
d. Install Adaptive Traffic Control System (ATCS) Split Cycle Offset Optimization Technique (SCOOT) to the
following intersections:
i. Oakesdale Avenue SW and SW Grady Way
ii. Oakesdale Avenue SW and SW 16th Street
iii. Lind Avenue SW and SW Grady Way
iv. Lind Avenue SW and SW 16th Street
In reviewing the NV5’s recommended mitigation measures, City Staff recommend that the above mitigation
measures be provided with the following adjustments:
a. City Staff recommend that the traffic signal recommended at the intersection of Lind Avenue SW and
SW 19th Street be constructed in a way that accommodate the future construction of an additional 11-
foot lane on Lind Avenue SW.
DocuSign Envelope ID: A01D9207-C441-4435-A507-5D260CAF903E
ADVISORY NOTES TO APPLICANT
Page 5 of 5 LUA21-000233
b. City Staff supports the installation of a roundabout at the intersection of Raymond Avenue SW and SW
16th Street or other similar measures to reduce the speed of vehicles traveling on SW 16th Street such as
speed cushions which will also help increase the function of the intersections.
The report also recommends an eastbound right turn lane at the intersection of Oakesdale Avenue SW and SW
Grady Way. In reviewing this proposed mitigation with the City’s Public Works Transportation Operations group,
the additional right turn lane would result in marginal improvements to the intersection but will require
significant impacts on the adjacent Springbrook Creek located on the southwest corner of the intersection in
order to construct the improvements. It is City Staff’s opinion that the intersection will be improved adequately
with the additional of the SCOOT system recommended by NV5 and does not recommend the addition of the
right turn lane at this time.
3. Revisions to any streetlight or ADA ramp will require those facilities to be brought up to the current City of
Renton standards.
4. Paving and trench restoration within the City of Renton right of way shall comply with the City’s standards.
5. Transportation Concurrency is provided under a separate document.
6. A transportation impact fee will be assessed based on the new PM Peak Hour Person Vehicle Trips added by the
project. Based on 180 Net New PM Peak Hour Vehicle Trips proposed, the estimated Impact Fee is anticipated to
be $1,953,746.85 ([180 Net New PM Peak Hour x 1.353 AVO]/ 74.2% Vehicle Mode Share) x 100% New Trips x
83.3% Person Tips per Vehicles x $7,145.85 Current Fee per New PM Peak Hour Person Vehicle Trips). This fee is
due at the time of building permit issuance.
GENERAL COMMENTS
1. The fees listed are for 2021. The fees that are current at the time of the respective permit issuance will be levied.
Please see the City of Renton website for the current fee schedule.
2. Retaining walls that are 4’ or taller from bottom of footing and stormwater detention vaults will require a
separate building permit. Structural calculations and plans prepared by a licensed engineer will be required as
part of the building permit review.
3. All civil plans shall conform to the current City of Renton survey and drafting standards. Current drafting standards
can be found on the City of Renton website.
4. A separate plan submittal will be required for a construction permit for utility work and street improvements. All
plans shall be prepared by a licensed Civil Engineer in the State of Washington.
5. Please see the City of Renton Development Engineering website for the Construction Permit Application and
Construction Permit Process and Submittal Requirements. Please contact the City to schedule a construction
permit intake meeting.
6. All utility lines (i.e. electrical, phone, and cable services, etc.) serving the proposed development must be
underground. The construction of these franchise utilities must be inspected and approved by a City of Renton
inspector.
DocuSign Envelope ID: A01D9207-C441-4435-A507-5D260CAF903E