HomeMy WebLinkAboutWWP273625REPORT OF GEOTECHNICAL INVESTIGATION
PROPOSED AEROSPACE TRAINING CENTER
300 RAINIER AVE N, RENTON, WA
S&EE JOB NO. 1234
NOVEMBER 18, 2012
1 234rpt S&EE
15AM
SOIL & ENVIRONMENTAL ENGINEERS, INC.
16625 Redmond Way, Suite M 124, Redmond, Washington 98052, (425) 868-5868
November 18, 2012
Mr. Tim Richey, AIA
SRG PARTNERSHIP, INC
110 Union Street #300
Seattle, WA 98101
Report
Geotechnical Investigation
Proposed Aerospace Training Facility
Renton, WA
Dear Tim:
We are pleased to present herewith our Report of Geotechnical Investigation for the referenced project. Our
services were authorized by Mr. Duncan Thieme on October 22, 2012 and have been provided in
accordance with our proposal dated October 21, 2012. We appreciate the opportunity to provide our
services. Should you have any questions regarding the contents of this report or require additional
information, please contact me anytime.
Very truly yours,
SOIL & ENVIRONMENTAL ENGINEERS, INC.
1=
mve EGGAC. J. Shin, Ph.D., P.E.
�- President
NoV
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//—/J1-/ L
S&EE
TABLE OF CONTENTS
Section Page
1.0 INTRODUCTION.........................................................................................................................................1
2.0 SCOPE OF SERVICES................................................................................................................................. I
3.0 SITE CONDITIONS......................................................................................................................................2
3.1 SURFACE CONDITIONS...........................................................................................................................2
3.2 GEOLOGIC INFORMATION..................................................................................................................... 2
3.3 COAL MINE, LANDSLIDE, EROSION, AND SEISMIC HAZARDS.......................................................... 3
3.4 SUBSURFACE CONDITIONS.................................................................................................................... 3
4.0 ENGINEERING EVALUATION OF SLOPE STABILTY...........................................................................4
5.0 CONCLUSIONS AND RECOMMENDATIONS.........................................................................................5
5.1 GENERAL.................................................................................................................................................. 5
5.2 FOUNDATION SUPPORT.......................................................................................................................... 5
5.3 LATERAL EARTH PRESSURES ON PERMANENT RETAINING WALLS .............................................. 6
5.4 STRUCTURAL FILL.................................................................................................................................. 8
5.5 SITE DRAINAGE....................................................................................................................................... 9
5.6 SLAB-ON-GRADE..................................................................................................................................... 9
5.7 TEMPORARY AND PERMANENT EXCAVATIONS................................................................................ 9
5.8 SEISMIC CONSIDERATIONS................................................................................................................. 10
5.9 ADDITIONAL SERVICES....................................................................................................................... 10
6.0 CLOSURE.................................................................................................................................................... I I
FIGURE 1: SITE LOCATION MAP
FIGURE 2: SITE AND EXPLORATION PLAN
FIGURE 3: ACTIVE FAULTS NEAR SITE
FIGURE 4: SURCHARGE LOAD ON SUBSURFACE WALLS
APPENDIX A: FIELD EXPLORATION AND LOGS
APPENDIX B: SLOPE STABILITY ANALYSES
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REPORT OF GEOTECHNICAL INVESTIGATION
PROPOSED AEROSPACE TRAINING CENTER
For
SRG Partnership, Inc.
1.0 INTRODUCTION
We present in this report the results of our geotechnical investigation for the proposed aerospace training
center. The project site is located at 300 Rainier Avenue North, Renton, WA. A Site Location Map is
shown in Figure 1 and a Site & Exploration Plan is shown in Figure 2, both are included at the end this
report. We understand that the current project scope involves demolition of the existing building and
construction of a new building at the same location. The new building will be similar to the existing one,
that is, a single -story, wood -framed structure with a daylight basement. The existing basement opens to
the east and carves into the upper portion of the onsite, east -facing slope. We anticipate relatively light
building loads, and very minimal cut and fill to establish building grade.
2.0 SCOPE OF SERVICES
The purpose of our investigation is to develop geotechnical recommendations regarding the design and
construction of the new building. Specifically, our services included:
1. Performance of subsurface investigations by the drilling of three exploratory borings.
2. Recommendations regarding type of foundation support.
3. Evaluation of the stability of the onsite slope; impact by the proposed building and mitigation, if
necessary.
4. Evaluation of the onsite grades and comment on the likelihood of onsite slope created by previous cut.
5. Recommendation regarding seismic design; evaluation of liquefaction potential and mitigation
recommendations.
6. Recommendations regarding temporary slopes.
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7. Recommendations regarding passive, active and at -rest earth pressures and coefficient of friction for the
resistance of lateral loads.
8. Recommendations regarding site preparation, angles of temporary slopes, suitability of onsite soils for
use as fill, types of suitable imported fill, fill placement techniques, and compaction criteria.
9. Preparation of this geotechnical report which contains a site plan, boring logs, a description of
subsurface conditions, and our findings and recommendations.
3.0 SITE CONDITIONS
3.1 SURFACE CONDITIONS
The project site is located at the southwest corner of Renton Municipal Airport. The site is long and
narrow in the north -south direction, and is bordered to the west by Rainer Avenue North and to the east
by West Perimeter Road. The site is currently occupied by a building that used to be Renton Chamber of
Commerce Building. There is surface parking to the south of the existing building, and grass lawn to the
north of the building.
The site is located on a level bench that overlooks Renton Airport. The east side of this bench is a slope
that drops about 26 feet to West Perimeter Road. The slope is relatively steep, about 75% inclination in
average. At the time of this report, the slope is covered with thick vines. The slope face is relatively even,
and there is no obvious sign of slope movements such as slumps or hummocky terrains.
The current building is a single -story, wood -framed building with a daylight basement opening to the
east. The topographic information suggests that the daylight basement is constructed with an 8-foot deep
excavation in the upper half of the east slope.
3.2 GEOLOGIC INFORMATION
Published geologic information (The Geologic Map of The Renton Quadrangle, King County, Washington,
by D. R. Mullineaux.,1965) indicates that the site area is underlain by artificial fill which is in turn underlain
by sedimentary rock with fragments of volcanic rock. The rocks are mainly sandstone, siltstone, and may
locally weathered to clay.
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3.3 COAL MINE, LANDSLIDE, EROSION, AND SEISMIC HAZARDS
Sensitive Areas Map published by King County indicates no landslide and erosion hazards at the project
site. The map also shows that the nearest coal mine hazard area is about 1.5 miles from the site.
Figure 3, which is included at the end of this report, shows that Seattle Fault is the prominent active fault
closest to the site. The fault is a collective term for a series of four or more east -west -trending, south -
dipping fault strands underlying the Seattle area. This thrust fault zone is approximately 2 to 4 miles wide
(north -south) and extends from the Kitsap Peninsula near Bremerton on the west to the Sammamish
Plateau east of Lake Sammamish on the east. The four fault strands have been interpolated from over -
water geophysical surveys (Johnson, et al., 1999) and, consequently, the exact locations on land have yet
to be determined or verified. Recent geologic evidence suggests that movement on this fault zone
occurred about 1,100 years ago, and the earthquake it produced was on the order of a magnitude 7.5.
3.4 SUBSURFACE CONDITIONS
The subsurface conditions at the site were explored by the drilling of 3 exploratory borings B-1, B-2, and
B-3. B-1 and B-2 were advanced using a truck -mounted drill rig. As the grass lawn at B-3 was softened
by rain at the time of drilling and could not support the drill rig, B-3 was drilled with a hand auger. The
approximated exploration locations are shown on Figure 2. Details of the exploration and logs are
included in Appendix A of this report. A Soil Classification Chart and Key to Logs is shown at the end of
the appendix.
Boring B-1 was drilled near the top edge of the east slope and found 13.5 feet of fill soil. The fill consists
of loose to medium dense silty sand and gravel, and is underlain by a medium stiff silt. This silt contains
trace organics and has the appearance of alluvial deposits. We believe that a swale or creek was once
occupied the area. A hard silt is found below the alluvial soil. This silt becomes very hard below the
depth of 24 feet and the auger was refused at 25 feet. Based on our experience with the subsurface
condition in the region, we believe this hard silt represents the upper, weathered portion of a siltstone.
Boring B-2 was drilled near the western site boundary. The boring encountered 7 feet thick of very dense
sand at the ground surface. The sand is underlain by a medium dense to dense silty sand that has the
appearance of an alluvial soil. Similar to the condition at B-1, the alluvial soil is underlain by a hard silt
that is likely a siltstone. B-2 also encountered very hard silt at a depth of 24 feet and the silt became so
hard that the auger could not be advance beyond the depth of 25 feet.
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Boring B-3 encountered about 10 feet thick of medium dense.to dense sand. Like B-1 and B-2, boring
B-3 found alluvial -like silt below the upper sand. This silt is very stiff and prevented drilling below a
depth of 10.5 feet.
Borings B-1 and B-3 did not encounter any groundwater, but B-2 encountered groundwater at a depth of
8.5 feet. The subsoils at B-1 were moist and not wet, and the alluvial soil at B-3 was moist to wet. This
information indicates that a perched groundwater table is present over the relatively impervious alluvial
silt. We further believe that the depth of this perched groundwater table will vary with season and
precipitation.
All soil samples were screened by a PID (photoionization detector) which did not detect any organic vapor.
Based on our experience with the subsoils, it is our opinion that the alluvial soils at depths of 7 to 13.5 feet
are slightly corrosive.
4.0 ENGINEERING EVALUATION OF SLOPE STABILTY
Based on our understanding of the soil and groundwater conditions underlying the site, and our estimate of
the soil parameters, we have conducted slope stability analyses using the computer program STABL5M.
Both steady state and dynamic/seismic loading conditions were considered.
The standard engineering practice considers the stability of a slope to be acceptable if it demonstrates a
factor of safety of at least 1.5 and 1.1 for static and seismic conditions, respectively. A factor of safety is
defined as the summation of resisting forces divided by the summation of driving forces. Our evaluations
show a factor of safety of 1.43 and 0.78 for static and seismic conditions, respectively. The graphic
presentations of these evaluations are shown in Appendix B at the end of this report.
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5.0 CONCLUSIONS AND RECOMMENDATIONS
5.1 GENERAL
1. Based on the boring data, we believe that the steep slope at the east side of the site is a filled slope
and the fill was probably placed at the time of road (Rainier Ave N) construction.
2. We believe that the daylight basement of the existing building is founded on the competent
alluvial soils that include medium to very stiff silt and medium dense to dense silty sand. On the
other hand, the western, single -story portion of the building is founded on competent medium
dense to very dense sand or silty sand. We further believe that the new building can be supported
on conventional spread footings founded on the same soils at similar depths as the existing
building.
3. Our slope stability evaluations show that the onsite, east -facing steep slope is relatively stable at
steady state (factor of safety = 1.43), but has a high risk of sliding during strong earthquake
(factor of safety = 0.78). Also, the slope stability is not affected by the building loads as they are
supported on competent soils and the building loads are away and outside the potential slide
plane.
Details of our recommendations are presented below.
5.2 FOUNDATION SUPPORT
We recommend that the new building be supported on conventional spread footings. The followings
parameters are recommended for spread footing design and construction.
Allowable Bearing Loads: Footings can be designed with an allowable bearing pressure of 3,000
pounds per square foot (pso. This value includes a factor of safety of at least 3, and can be
increased by one-third for wind and seismic loads.
Footing Construction: Prior to re -bar and concrete placement, all footing bearing surfaces must be
cleaned of loose soil cuttings. Any softened and loosened soil encountered at footing subgrade
should be over -excavated, and the over -excavation should be backfilled with concrete or compacted
crushed rock. The latter should be approved by an engineer from our office prior to use.
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All footing bearing surfaces should be inspected by a geotechnical engineer from our office prior to
concrete placement. Our engineer will confirm the bearing capacity of the subgrade soils, and
provide recommendations regarding over -excavation, if necessary.
Settlement: Interior column footings designed in accordance with the above recommendations are
expected to experience approximately 1/2 inch of settlement. Continuous wall footings should
experience settlement of about 1/4 to 1/2 inch. Differential settlement between adjacent footings is
expected to be about 1/4 inch. The settlement will occur rapidly, essentially as the loads are
applied.
Lateral Resistance: Lateral resistance can be obtained from the passive earth pressure against the
footing sides and the friction at the contact of the footing bottom and bearing soil. The former can
be obtained using an equivalent fluid density of 250 pounds per cubic foot (pcf), and the latter using
a coefficient of friction of 0.5. These values include a safety factor of 1.5.
Frost Protection and Minimum Width: All exterior footings should be founded at least 12 inches
below the adjacent finished grade to provide protection against frost action, and should be at least
18 inches in width to facilitate construction.
5.3 LATERAL EARTH PRESSURES ON PERMANENT RETAINING WALLS
Lateral earth pressures on permanent retaining walls, underground vaults or utility trenches/pits, and
resistance to lateral loads may be estimated using the recommended soil parameters presented in the
following table.
.� � .. .... a •Y .. . � .. ;. .
>;. Equivalent FluidUnit Weighf.(PCF)° of
M
a�. Friction'
at -Base
F d ,
Active'.At-rest. ` Passive
Structural fill and 40 50 250 0.5
native soils
Note: Hydrostatic pressures are not included in the above lateral earth pressures.
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The at -rest case applies to unyielding walls, and would be appropriate for walls that are structurally
restrained from lateral deflection such as basement walls, utility trenches or pits. The passive earth pressure
and coefficient of friction include a safety factor of 1.5. The active case applies to walls that are permitted
to rotate or translate away from the retained soil by approximately 0.002H to 0.004H, where H is the height
of the wall.
SURCHARGE INDUCED LATERAL LOADS
Additional lateral earth pressures will result from surcharge loads from floor slabs or pavements for
parking that are located immediately adjacent to the walls. The surcharge -induced lateral earth
pressures are uniform over the depth of the wall. Surcharge -induced lateral pressures for the
"active" case may be calculated by multiplying the applied vertical pressure (in psf) by the active
earth pressure coefficient (Ka). The value of Ka may be taken as 0.3. The surcharge -induced lateral
pressures for the "at -rest" case are similarly calculated using an at -rest earth pressure coefficient
(Ko) of 0.5. For surcharge loads that are not adjacent to the wall, the induced lateral earth pressure
will depend on the magnitude of the surcharge and the distance from the wall. Such induced lateral
load can be estimated using the equations shown on Figure 4
The slope -induced lateral earth pressure can be accounted for by increasing the effective height of
the wall by one-half the slope height. The traffic -induced lateral earth pressure can be accounted for
by increasing the effective wall height by 2 feet.
SEISMIC INDUCED LATERAL LOADS
For imbalanced, seismic induced lateral loads, the dynamic force can be calculated using the following
equation.
Pe = 1 OH , where Pe = uniform pressure in psf
H = wall height in feet
BACKFILL IN FRONT OF RETAINING WALLS
Backfill in front of the wall should be structural fill. The material and compaction requirements are
presented in Section 5.4 of this report. The density of the structural fill can be assumed to be 130
pounds per cubic feet.
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BACKFILL BEHIND RETAINING WALLS
Backfill behind the wall should be free -draining materials which are typically granular soils containing
less than 5 percent fines (silt and clay particles) and no particles greater than 4 inches in diameter. The
backfill material should be placed in 6 to 8-inch thick horizontal lifts and compacted to at least 90
percent of the maximum density in accordance with ASTM D-1557 test procedures. In the areas
where the fill will support pavement, sidewalk or slabs, the top four (4) feet of the backfill should be
compacted to at least 95 percent of the maximum density. Care must be taken when compacting
backfill adjacent to retaining walls, to avoid creating excessive pressure on the wall.
DRAINAGE BEHIND RETAINING WALLS
Rigid, perforated drainpipes should be installed behind retaining walls. Drainpipes should be at least 4
inches in diameter, covered by a layer of uniform size drain gravel of at least 12 inches in thickness,
and be connected to a suitable discharge location. An adequate number of cleanouts should be
installed along the drain line for future maintenance.
5.4 STRUCTURAL FILL
The structural fill materials should meet both the material and compaction requirements presented below.
Material Requirements: Structural fill should be free of organic and frozen material and should consist
of hard durable particles, such as sand, gravel, or quarry -processed stone. The on -site sandy soils are
suitable for structural fill. The material should be moisture -conditioned to +/- 2% from their optimum
moisture contents prior to use. Suitable imported structural fill materials include silty sand, sand,
mixture of sand and gravel (pitrun), and crushed rock.
All structural fill material should be approved by our geotechnical engineer prior to use.
Placement and Compaction Requirements: Structural fill should be placed in loose horizontal lifts not
exceeding a thickness of 6 to 12 inches, depending on the material type, compaction equipment, and
number of passes made by the equipment. Structural fill should be compacted to at least 95% of the
maximum dry density as determined using the ASTM D-1557 test procedures.
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5.5 SITE DRAINAGE
The site surface should be graded so that surface water is directed away from the structural areas. Standing
water should not be allowed. Final site grades should be sloped away from the building unless the area is
paved, or yard drains installed to collect surface runoff.
Onsite infiltration of storm water is not recommended as the water would incur negative impacts on
the stability of the steep slope.
5.6 SLAB -ON -GRADE
All slabs can be soil supported. We envision that the soil at the subgrade will be disturbed and loosened by
construction activities at the time of slab construction. We therefore recommend that the subgrade be re -
compacted prior to pour. Any wet and loose areas should be over -excavated and backfilled with structural
fill. Assuming that the slab subgrade is prepared per recommendations presented above, a subgrade reaction
modulus of 100 pci (pounds per cubic inches) can be used for slab -on -grade design.
We recommend that slab -on -grade be underlain by a 15 mil vapor barrier over at least 4-inch thick free -
draining gravel.
5.7 TEMPORARY AND PERMANENT EXCAVATIONS
Temporary cuts less than 4 feet in depth can be sloped at 1 H:1 V (Horizontal to Vertical) or flatter;
temporary cuts deeper than 4 feet should be sloped at 1.5H:IV. The contractor should note the following
recommendations.
1. A perched groundwater table may be present near the bottom of the cut. Therefore, temporary cut
should be continuous from the top to bottom with no vertical bank at the toe of the cut. A
vertical bank will adversely impact the stability of the slope if groundwater seepage occurs.
2. The slope face should be protected from weather using visqueen.
All permanent slopes should be no steeper than 2H:1 V. Water should not be allowed to flow
uncontrolled over the top of any slope. Also, all permanent slopes should be seeded with the appropriate
species of vegetation to reduce erosion and maintain the slope stability.
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5.8 SEISMIC CONSIDERATIONS
We recommend that Site Class C as defined in the 2009 IBC be considered for the seismic design. Due to
the presence of firm soils below the perched groundwater table, liquefaction potential is negligible.
5.9 ADDITIONAL SERVICES
We recommend the following our additional services during the design and construction of the project.
1. Review design plans to confirm that our recommendations are properly interpreted and utilized in
the design.
2. Monitor excavation. We will confirm the stability of the excavations, and provide
recommendations regarding dewatering and sidewall stabilization, if needed.
3. Monitor foundation subgrade preparation. We will confirm the bearing capacity of the subgrade
soils, and assist the contractor in evaluating the protection and over -excavation requirements, if any.
4. Monitor the placement and compaction of structural fill. We will confirm the suitability of the fill
materials, and assist the contractor in meeting the compaction requirements.
5. Monitor the installation of subsurface drains. We will confirm that these drains are installed in
accordance with our recommendations.
6. Monitor site drainage and erosion control.
7. Other geotechnical issues deemed necessary.
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6.0 CLOSURE
The recommendations presented in this report are provided for design purposes and are based on soil
conditions disclosed by field observations and subsurface explorations. Subsurface information presented
herein does not constitute a direct or implied warranty that the soil conditions between exploration locations
can be directly interpolated or extrapolated or that subsurface conditions and soil variations different from
those disclosed by the explorations will not be revealed. The recommendations outlined in this report are
based on the assumption that the development plan is consistent with the description provided in this report.
If the development plan is changed or subsurface conditions different from those disclosed by the
exploration are observed during construction, we should be advised at once so that we can review these
conditions, and if necessary, reconsider our design recommendations.
1234rpt 11 S&EE
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-77
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Figure 2 - Site & Exploration Plani
N
Aerospace Training Center, Renton, WAI
SCALE: 0 6 15'1 301 50'
SITE
Figure 3
Map of the Seattle area showing prominent active fault systems. Red boxes are recently
mapped 7.5-minute quadrangles —Fall City (2007), North Bend (2009), Snoqualmie (coming
2009), and Carnation (coming 2010).
0.2
04
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H (m2+1 )
PRESSURES FROM LINE LOAD QL
(BOUSSINESQ EQUATION MODIFIED BY EXPERIMENT)
Reference: Foundations and Earth Structures,
Design Manual 7.2, Department of the Navy, May 1982
Rl
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3
SECTION A -A
PRESSURES FROM POINT LOAD Op
(BOUSSINESQ EQUATION
MODIFIED BY EXPERIMENT)
Calculation of Surcharge Loads
on Subsurface Walls
FIGURE 4
APPENDIX A
FIELD EXPLORATION AND LOGS
The subsurface conditions at the project site were explored with the drilling of 3 exploratory borings, B-1,
B-2, and B-3 on October 27, 2012. B-1 and B-2 were advanced using a truck -mounted drill rig. As the
grass lawn at B-3 was softened by rain and could not support the drill rig, Boring B-3 was drilled with a
hand auger. A representative from S&EE was present throughout the exploration to observe the drilling
operations, log subsurface soil conditions, obtain soil samples, and to prepare descriptive geologic logs of
the exploration. Soil samples were taken at 2.5-foot and 5-foot intervals in general accordance with
ASTM D-1586, "Standard Method for Penetration Test and Split -Barrel Sampling of Soils" (1.4" I.D.
sampler). The penetration test involves driving the samplers.18 inches into the ground at the bottom of
the borehole with a 140 pounds hammer dropping 30 inches. The numbers of blows needed for the
samplers to penetrate each 6 inches are recorded and are presented on the boring logs. The sum of the
number of blows required for the second and third 6 inches of penetration is termed "standard penetration
resistance" or the "N-value". In cases where 50 blows are insufficient to advance it through a 6 inches
interval the penetration after 50 blows is recorded. The blow count provides an indication of the density
of the subsoil, and it is used in many empirical geotechnical engineering formulae. The following table
provides a general correlation of blow count with density and consistency.
DENSITY (GRANULAR SOILS)
N-value < 4 very loose
5-10 loose
11-30 medium dense
31-50 dense
>50 very dense
CONSISTENCY (FINE-GRAINED SOILS)
N-value < 2 very soft
3-4 soft
5-8 medium stiff
9-15 stiff
16-30 very stiff
>30 hard
All soil samples were screened by a PID (photoionization detector). The readings are presented on the
boring logs. After drilling, borings B-1 and B-2 were backfilled with bentonite chips and the asphalt
surface at B-2 was patched with quick set concrete. Boring B-3 was backfilled with the onsite soil. The
boring logs are included in this appendix. A chart showing the Unified Soil Classification System is
included at the end of this appendix.
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a
m
m
a a�
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c me
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Surface Condition: Bare
BORING B-1
3, 1°10
0 3
i i
Sm
- 3 inches crushed rocK at ground surtace
3
I I '
Brown silty fine sand (moist)(loose to medium dense)(probable fill)
I I '
o 8 1 18
9 10
10
6 ' 0 ; 7 ' 18
trace fine gravel at 5 feet
8 ; 8
10 ,
0 318
4 i10
3
I I
I i I
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10' 0 3 ' 18 '
3 3 i
6
GP
Dark brown fine to medium gravel, trace tree debris (moist)(medium dense)(probable fill)
I
I I
0 6
7�
I I
ML
Bluish gray silt, trace organics (moist)(medium stiff)
15 , o 2 : 18 '
2 10
5
I , I
I I I
ML
Gray silt (relatively dry)(hard)(possible siltstone)
o 114 12
sore • 112
I
I I
'
I
I I
I ' I
.20,------'------
(Boring log continues on Figure A-1b)
Client:
SRG Partnership, Inc.
Drilling Method:
Y-ID HSA advanced by truck -mount Drill Rig
Sample Method:
SPT sampler driven by 140-lb auto hammer
Drill Contractor:
Holocene Drilling
Drill Date:
October 27, 2012
Elevation:
54 feet +/-
Figure A-1 a
SUE
,lob No.12M Proposed Aerospace Training Center, Renton, WA
a
a
— 20
Gray silt (relatively dry)(hard)(possible siltstone)
-driller report: very hard below 24 feet
Auger refusal at 25 feet on October 27, 2012
No groundwater encountered during drilling
Client:
SRG Partnership, Inc.
Drilling Method:
T-ID HSA advanced by truck -mount Drill Rig
Sample Method:
SPT sampler driven by 140-lb auto hammer
Drill Contractor:
Holocene Drilling
Drill Date:
October 27, 2012
Elevation:
54 feet +/-
BORING B-1
(Continued)
Figure A-1 b
SUE
2 �M Proposed Aerospace Training Center, Renton, WA
a
BORING B-2
U N
a � Q� Q
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Client:
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Drill Contractor:
Holocene Drilling
Drill Date:
October 27, 2012
Elevation:
55 feet +/-
Figure A-2a
Job No. S& 1M4 Proposed Aerospace Training Center, Renton, WA
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Client:
SRG Partnership, Inc.
Drilling Method:
Y-ID HSA advanced by truck -mount Drill Rig
Sample Method:
SPT sampler driven by 140-lb auto hammer
Drill Contractor:
Holocene Drilling
Drill Date:
October 27, 2012
Elevation:
55 feet +/-
SUE
Job No.1234
Figure A-2b
Proposed Aerospace Training Center, Renton, WA
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Drill by:
S&EE
Drill Date:
October 27, 2012
Elevation:
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BORING B-3
Figure A-3
S&EE
Job No.1234 Proposed Aerospace Training Center, Renton, WA
UNIFIED SOIL CLASSIFICATION SYSTEMru
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S&EE
APPENDIX B
SLOPE STABILITY ANALYSES
12334rpt S&EE
Aerospace Training Center, Building Loads
c:\documents and settings\hp_administrator\my documents\my office\2012 projects\1234 aerospace training center\1234-1.pQ Run By: Username 11/17/2012 02:34PM
100
80
60
40
20
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0
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# FS
Soil
Soil
Total
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Piez.
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Desc.
Type
Unit Wt.
Unit Wt.
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Angle
Surface
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(pcf)
(pcf)
(psf)
(deg)
No.
c 1.47
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1
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STABUH FSmin=1.43
Safety Factors Are Calculated By The Modified Bishop Method
Ll
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120 •140
Aerospace Training Center, Building & Seismic Loads
c:\documents and settings\hp_administrator\my documents\my office\2012 projects\1234 aerospace training center\1234-1.p12 Run By: Username 11/17/2012 02:27PM
100
80
60
40
20
# FS
a 0.78
Soil
Desc.
Soil Total
Type Unit Wt.
Saturated Cohesion Friction Piez.FLIE Value
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b 0.79
No. (pd)
(pcf) (psf) (deg) No.
0.300 g<
c 0.82
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1 135.0
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0.300 g/\
d 0.84
Fill
2 120.0
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3 120.0
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f 0.93
Alluvial
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Safety Factors Are Calculated By The Modified Bishop Method
120 140
ROTHrilLL
MEMORANDUM
TO: Dave Christensen — City of Renton
FROM: Erik Waligors�i d Erik BrT, faINI,'PE
L-'
RE: Airport Lift Station Abandonment — Alternatives Analysis
COPIES: File
DATE: September 27, 2012
PROJECT PURPOSE
ROTH HILL, LLC
11130 NE 33rd Place, Suite 200
Bellevue. Washington 98004
Tel. 425.869.9448
800.835.0292
Fax 425.869.1190
Project No: 0015.00021.000
Page 1 of 4
The City hired Roth Hill to complete an alternatives analysis to research and study options
associated with the possible elimination of the existing Airport Lift Station located on the
west side of the City of Renton Airport along W. Perimeter Road. The scope for the project
included evaluating possible gravity sewer options to allow the existing lift station to be
eliminated and the existing effluent flow to be routed to the King County trunk main running
along the northern part of the airport property. The analysis included evaluating possible
construction routes, construction methods, construction costs, and potential impacts to the
businesses that regularly use W. Perimeter road and maintain operations along the west
side of the airport runway.
BACKGROUND
The City of Renton currently operates sanitary sewer collection and conveyance systems
within the City of Renton Airport in the western portion of the City, bordered by Taylor Place
and Lind Avenue to the west, and the airport runway to the east; and from Airport Way to
the south and 7th Street to the north, as shown in Figure 1. This portion of the City's system
includes a sewer lift station on the Airport property within the security fence. The existing lift
station was constructed in its current location in 1987 and the force main discharges into
the existing gravity sewer to the southwest of the station in Rainier Avenue.
The existing service area served by the Airport Lift Station abuts the service area for
Skyway Water & Sewer District (Skyway). A portion of the service area supported by
Skyway to the north of the Airport Lift Station service area is located within the City of
Renton city limits, although the City has not been able to provide sewer service to this area.
The City would like to have the ability to provide gravity service to not only the current area
served by the existing airport lift station, but also the area within the City of Renton that is
currently served by Skyway. In addition, there is another existing lift station at the
intersection of W. Perimeter Road and the western entrance to the airport property from
Rainier Avenue. This existing lift station is currently operated by Renton Airport Staff and
discharges into the Skyway sewer system.
The eastern edge of the service area for the airport lift station consists of sewer mains
F:W15t00021.000Wltematives AnalysistDC_091112_ejw_memo_Airport LS Abandonment Analysis.docx
Dave Christensen
September 27, 2012
Page 2
located in W. Perimeter Road. Any potential gravity sewer option would consist of installing
new gravity sewer in W. Perimeter Road flowing north to the existing King County trunk
sewer. In addition to the normally expected utilities currently in W. Perimeter Road, -the City
of Renton has installed the Black River Culvert under the road. The Black River Culvert
consists of an existing 60 inch diameter concrete culvert in some places along the road and
a 7 foot by 5 foot or 8 foot by 5 foot box culvert in other places.
GRAVITY SEWER ANALYSIS
The City of Renton was interested in a potential gravity sewer option to allow for the
abandonment of both the existing airport lift station and the lift station currently operated by
Airport Staff. The City asked Roth Hill to analyze potential routes for the possible gravity
sewer from the existing station on W. Perimeter Road to the King County trunk sewer main
that runs across the northern end of the airport runway, approximately 4,000 feet north of
the lift station. To facilitate the gravity sewer analysis, a topographic survey was completed
from 100 feet south of the existing lift station to the location of the King County trunk sewer
crossing. The survey was bounded on the west by the ROW for Rainier Ave and on the
east by the airport security fence.
The goal of the gravity sewer analysis was to determine if there was adequate room within
the limits of W. Perimeter Road for the new gravity sewer between all of the existing
utilities, evaluating both horizontal and vertical alignment and clearances. Additionally, the
analysis needed to determine if the new gravity sewer could be constructed around the
existing Black River culvert. Based on the topographic survey and research of the existing
utilities, it was determined that there was sufficient room for a new gravity sewer within W.
Perimeter Road and that the main could be constructed around the existing Black River
culvert. The preliminary proposed plan and profile for the gravity sewer alternative can be
found in the attached drawings labeled C1 through C9.
The preliminary route of the proposed gravity sewer would need to be installed on both the
west and east side of W. Perimeter Road as it traveled north from the existing lift station to
the King County trunk sewer in order to avoid existing utilities and the Black River culvert.
Based on the layout shown in the attached drawings, the new gravity sewer would be
installed anywhere from 10 feet to 28 feet deep and would require approximately 23
manholes. The proposed sewer would also require 4 crossings beneath the Black River
culvert. It was assumed that these crossings would be accomplished using trenchless
technology such as pipe ramming or auger boring.
Once the preliminary route for the proposed gravity sewer was determined, an onsite
meeting with the City was conducted to review the alternative. Based on the anticipated
depth of the proposed sewer and the number of required crossings of the Black River
culvert, we looked at the possibility of moving the proposed sewer further east inside of the
security fence for the airport property. The sewer alignment on the airport property can be
seen on Sheets C5 through C9 on the attached drawings. Moving the sewer further into
the airport property provided two main advantages over the preliminary route, 1) the main
could be installed at a much shallower depth and 2) the new main would only require one
crossing of the Black River culvert. The disadvantage of moving the proposed gravity
sewer further into the airport property was that there are several buildings that are very
close to where the new main would need to be installed and there is evidence of existing
utilities that would need to be relocated during construction.
F:\0015\00021.000\Alternatives Ana1ysis\DC_091112_ejw_memo_Airport LS Abandonment Analysis.dou
Dave Christensen
September 27, 2012
Page 3
Based on the potential depth of the main and the number of culvert crossings required for
the preliminary alternative; and the disruption to the airport property for the second
alterative, the City asked Roth Hill to develop planning level -cost estimates for the two
alternatives to see if either would be cost effective in comparison to simply rehabilitating the
existing lift station. The following tables outline the cost estimates for the two alternatives:
Table 1
Preliminary Alternative Route (Sewer in Road)
Description
Quantity
Unit
Unit Cost
Total Cost
12" Sewer (0-15 feet)
................................................................................................................_
2,234
_.__.............................................................................................................................................................................................
LF
$230
$513,820
12" Sewer (15-20 feet)
................................................................................_............................................................................................................_........_...............
..
1,040
LF
_.................................................................
$275
.......................... ...................................................
$286,000
......................... ._.........
12" Sewer (20-25 feet)
.......... ... .......................... .-........ _....... ..................................
386
LF
$320
$123,520
.................. .....................
12" Sewer (25-30 feet) ...
............ ................_.............. .........
289
................ _........................
LF
..... ............................ .........................................................................................................
$375
$108,375
Standard Manholes
.............. ............................-...................._.................................................... ................................................. ......................._._.__................
23 ........
EA
..........._..._....._.......................................................................................
$5,000
__.......__._._._.._..............
$115,000
Culvert Crossings _...._
4
................1............. __......................LS
EA
$25,000
......................... ...--- ..... _.......................
$100,000
Landscape Restoration (fencing)
.......................$20,000.........._.......................$20,000
.................. ......
Subtotal of Construction Bid Items
1
1 $1,266,715
Table 2
Second Alternative Route (Sewer in Airport)
Description
Quantity
Unit
Unit Cost
Total Cost
12" Sewer (0-15 feet)
...................................................................................................................................................................................................................................................................................................................................................................................................................................
3,861
LF
$230
$888,030
12" Sewer (15-20 feet)
0
LF
$275
$0
.........................................................................................................................................................................................................................................................................................................................
12" Sewer (20-25 feet)
.................... ..........
266
LF
$320
$85,120
................................................. .......................................... ...................... ................................
12" Sewer (25-30 feet)
...................................................................................................... _........................
.-................................ .............. .....................................
0
..................................
LF
_.................................
$375
................... ......................................................... ........
$0
Standard Manholes
............. .............................. _.......................................................................
..... ........................................... .........
25
.................................. _..
EA
.................................... _......................
$5,000
.......................... .
$125,000
............ ...................... ...........................
Culvert Crossings
............ ..............................................................
.... .................................. ........... ....
1
...._....................................
EA
......................................... ...................
$25,000
......................_..._................................................
$25,000
...............................................--.._................_............................
Landscape Restoration (fencing)
.... ............................................. .........................................
1
_...
LS
_................. --............ ...................................._....................................
$20,000
........................
$20,000
Subtotal of Construction Bid Items
I
1
1 $1,143,150
Table 3
Opinion of Probable Construction Cost
Sewer in Road
Sewer in Airport
Subtotal of Construction Bid Items
-...............
Washington State Sales Tax 9.5%
9 @
$1,266,715
.........111111
$120,338..................................
$1,143,150
$108,599........................
Subtotal (Engineers Estimate)
$1,387,053
$1,251,749
Contingency @ 15% of Engineer's Estimate
$208,058
$187,762
Opinion Probable Construction Cost (OPCC)
$1,595,100
$1,439,500
F:\0015\00021.000\Alternatives Analysis\DC_091112_ejw_memo_Airport LS Abandonment Analysis.docx
Dave Christensen
September 27, 2012
Page 4
Based on the planning level cost estimates shown above, the two gravity sewer route
alternatives would range in price from $1.44 million to $1.59 million. These.estimates are
roughly twice the cost of rehabilitating the existing lift station based on City cost data from
the rehabilitation of similar sized stations within the City. Although there would be savings
to the City in reduced operations and maintenance costs by eliminating the lift station, the
magnitude of these savings would not be significant enough to justify the initial difference in
constructions costs. Due to the higher cost of installing a gravity sewer to abandon the
existing lift station and the potential construction impacts to the airport property and local
businesses, the City has decided to forego the gravity sewer option and to revert to
rehabilitating the existing airport lift station.
AIRPORT LIFT STATION PRELIMINARY ANALYSIS
Once it was determined that the gravity sewer alternative was no longer cost effective, the
City made the decision to rehabilitate the existing airport lift station. To initiate this process,
a meeting was held with the City of Renton airport staff to summarize the results of the
gravity sewer analysis and to discuss possible locations for a new sewer lift station. The
goal of the sewer department is to install the new sewer lift station outside of the security
fence for the airport. This will facilitate easier access for maintenance and operation of the
station.
Based on the discussions with the City's airport staff and a walkthrough of the potential lift
station relocation site, it was determined that the best location for the new lift station would
be on the west side of W. Perimeter Road approximately 200 feet south of the existing lift
station location. The grassy area west of the roadway will allow for the installation of the
new lift station facility including a 6 foot by 8 foot control building, a 12 foot diameter
combined wet well/overflow structure, and a small generator. The site will be designed to
include a roll-on curb so that sewer maintenance staff can get any maintenance vehicles off
of the roadway enough to keep two travel lanes open when work is occurring at the station
site. The site will require a small retaining structure on the hillside to the west of the new lift
station towards Rainier Avenue. A preliminary layout for the new lift station can be seen in
the attached drawing LS1.
In addition to looking at the potential site for the new lift station, Roth Hill prepared Figure 1
showing the approximate service area for the new lift station. This figure was given to the
City to have the planning department review for any potential increase in population density
within the service area. The City's planning department determined that the area served by
the existing, and subsequently the new lift station will not have its zoning changed. As the
project moves forward into the lift station design phase, several factors will be further
analyzed and incorporated into the lift station design, including the service area, total
anticipated peak flow rates from residential and commercial areas (including any
modifications to the airport master plan), and how to construct the station to handle initial
low flows as compared to final total flows.
F:\00 15100021.000\Alternatives Anal ysis\DC_091112_ejw_memo_Airport LS Abandonment Analysis.docx
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PPRPRO'EPOL
CITY OF RENTON
ROTI-'rl ILL
r
DESRGNAL
CONTRACT NO.
PROPOSED LIFT STATION
Roth Hill, 1l Tel 425.869.9448 www.rothhlll.com
11130 NE 33rd Place, Sulte 200 Bellevue, WA98004
DPAWN
SCALE
DES. FLD.BK,
CST. FLD. BK.
CHECKED
PRELIMINARY LAYOUT
HORIz:AS NOTED
VERT:
N0.
PG.
NO.
PC.
OB No .
J.000
. 001500021
NO
BY
DATE
DESCRIPTION
REV I S I OIvS
Denis Law
Mayor
April 15, 2014
r city of �Y
Public Works Department - Gregg Zimmerman, P. E., Administrator
Mr. Dave Honeysett, Project Manager
PSE/Potelco Inc.
8001 S 212th Street
Kent, WA 98032
RE: JOB #105074941, PROPERTY NEAR 500 W PERIMETER RD, RENTON WA 98057
Dear Mr. Honeysett:
Attached are the check and the signed paperwork for Puget Sound Energy's Project Job
#105074941, property near 500 W Perimeter Rd, Renton WA 98057, to upgrade the
existing transformer and to provide the power in connection with the replacement of
Renton's Airport Lift Station.
Also attached is a copy of the Renton Franchise permit that we have obtained for the
work. Please keep us informed, as early as possible, so that we may get the approved
traffic control plan and arrange for the traffic control.
If you have any questions, please contact me at 425-430-7206 or by email at
mbenoit@rentonwa.gov.
Sincerely,
Michael A. Benoit
Wastewater Utility Project Manager
Attachments
cc: Mr. Clayton Anderson, EIT, RH2 Engineering, 300 Simon Street SE, Suite 5, East Wenatchee, WA 98802
H:\File Sys\WWP - Waste Water\WWP-27-3625 Airport Lift Station\PSE Letter.doc\MABto
Renton City Hall • 1055 South Grady Way • Renton, Washington 98057 • rentonwa.gov
CITY, RENTON
ACCOUNTS PAYABLE-;,.:
1055 S:: GRADY_, V
c U.SBANK'OF WASHINGTON
c t9 10
' RENTON;BRANCH .r _ t A
'a m.. 1250
... 5.. .�"`•.�'Gysti��
i.��
'TTiCHECK�3"�,`
.Fs' Ha,ECKCKMUUNNA...
31 .
- 064290
04115%2014
328840
7166 69•
PLEASE DETACH BEFORE DEPOSITING
CITY OF RENTON, WA 98055 ACCOUNTS PAYABLE CHECK NO.328840
y�
2..1.n.,.__<..._k........�s._,. s.
DATE
�.a:d.........
Ems"+ `�` DESCRIPTION '�.�5 gy�`T«• � �`�'�
6ra�I>,-.`�:.,.-✓ '"rr'.�.�4!`.!'��....�..,...r.. vu1:sY _�2 :-���'��'"-wi4v£...,.a
F POLNUMBERs^'�y"��`
nk� _Nx,13`ii�..
- DISC,OUNTiRETA1N�'�"�'
��._ .,�.ct.�'.a��`k.+�,:t�,:.
"�'7AMOUNT �y�'�
,...,�'i�.�t
105074941
03/14/2014
Electrical Service - Airport Lift
0.00
7,166.69
7,166.69
PUGET SOUND ENERGY
March 14, 2014
City of Renton
ATTN: Clayton Anderson
3555 NE 2nd St
Renton, WA 98056
Re: Customer Agreement for Commercial Line Extensions
PSE order No. 105074941
Dear Customer,
POTELCO INC
A Ouants Services Company
In accordance with Puget Sound Energy's (PSE) Tariff G, Rate Schedule 85 "Line Extensions", on file with the
Washington Utilities & Transportation Commission, this agreement confirms our intention to provide electrical service to
your project at Near 500 W Perimeter Rd, Renton WA 98057 per the attached PSE design drawing. The delivery
voltage of this electrical service is 277/480 volts.
This cost information is valid for 90 days from the date of this letter, and is subject to being updated after that time. The
payment of the total amount due and the return of signed documents as noted elsewhere in this letter is required prior to
commencing our work.
Please make checks payable to Puget Sound Energy and return to address listed below:
8001 S 2121h St, Kent 98032
Address City Zip Code
The cost for this work is determined as follows:
Estimated Normal Construction Cost including transformation $ 2,335.64
Less: Applicable Margin Allowance
- $
0.00
Total line extension charge
= $
2,335.64
(1)
Other charges- Upgrade 3 phase padmount transformer
$
4,831.05
Dedicated facilities
+ $
0.00
Total Other charges
= $
4,831.05
(2)
Total amount due under this letter
$
7,166.69
(1 + 2)
Charges for temporary and permanent electric service lines for your project are not included in the above
charges. To order these services and obtain costs, please contact PSE at 888-321-7779 after electrical
inspections have been approved. These additional charges will be billed after installation in accordance with
Rate Schedule 85. These charges also do not include permitting fees or trenching and other excavation related
work that is your responsibility.
3538 9/06
Charges relating to your PSE-provided street lighting system in this project are not included in the above prices, and will
come to you from PSE's IntoLight department under separate letter. Charges relating to Rate Schedule 73 "Conversion to
Underground Service for Customers other than Government Entities" will be addressed under separate letter.
This cost information reflects the work being performed during normal working hours. These charges do not include
permitting fees or trenching and other excavation -related work that is your responsibility to provide.
Please review the attachments provided. The Excavation Requirements & Final Grade Certification must be signed by
the project owner or designee, and returned to me along with a signed copy of this letter prior to the start of construction.
The work sketch document shows the proposed design, including the location of permanent, aboveground electrical
facilities required to provide electrical service to your project. Fault current information for transformers associated with
your project are noted on the work sketch drawing. Please notify me immediately if you believe there are conflicts
between PSE's design and your project. Additional construction -related information and information on metering and
service entrance requirements is provided in PSE's Electric Service Handbook for commercial projects. If you do not
have one of these handbooks, and would like one, please contact me. It is your responsibility to provide your project
manager, site superintendent, and subcontractors with any relevant information from this correspondence, it's
attachments, and PSE's Handbook that applies to their work.
Refunds associated with the line extension charge may be available for additional permanent service hook-ups not initially
considered that are made within five (5) years of the date on which the electric distribution facilities installed for this
project are initially energized. If no Margin Allowance has initially been provided, or if your Margin Allowance exceeds
$75,000, PSE agrees to calculate and refund the Margin Allowance, subject to Schedule 85, two (2) years after the line
extension is energized. Customers are responsible for making all refund requests. A refund may be requested one (1)
time within six (6) years of the date on which the distribution facilities are initially energized. Your refund request should be
directed to PSE's Customer Accounting Coordinators at 253-476-6335 or 253-476-6440. You will find it useful to retain
this letter to use as a reference when making your refund request.
All costs and refunds are in accordance with PSE's Rate Schedule 85, and any discrepancies between this letter and the
Rate Schedule will be resolved in favor of the Rate Schedule. Rate Schedule 85 contains more detailed information
covering costs, refunds, rights, and obligations than is reflected in this letter. The entirety of Rate Schedule 85 may be
viewed at PSE's website www.pse.com under the "Inside PSE" heading.
Projects developed by Limited -Liability Companies (LLC's) are required to provide contact information for all managing
members in addition to a copy of your Master Business Application. This information too, must be provided prior to
commencing construction on your project.
Thank you for the opportunity to provide electrical service to your project. PSE will use reasonable diligence in
commencing this work, but we will not be liable for any delays resulting from circumstances beyond our control, including
but not limited to failure to receive necessary Operating Rights. If you have any questions, please call me at
253-677-7726
Sincerely,
Dave Honeysett
Project Manager
Potelco, Inc.
I h ve read an ` J agree to t t ms and conditions outlined in this ag Bement and it's attachments.-
i '
O ER OR OWNER DESI NEE'S SIGNATURE RINT NAME DA E
- 9/06
PSE
GET
' S UND POTELCO INC
EERGY A quanta Sv,ces Company
March 31, 201
City of Rento
3555 NE 2nd t,
Renton, WA 9 056
RE: Non-Resi ential secondary electric service to 500 W. Perimeter Rd, Renton, WA 98057
(PSE Job #10 074941)
In accordance with Puget Sound Energy's Tariff G, Schedule 85, customers requesting electric
Non -Residential underground secondary voltage service connections are "subject to the Customer
paying an estiinated charge based on the Company's cost of making the connection(s)."
The estimated
cost for connecting the underground electric service at the above $ 4,513.85
This quote is tased
on the following information that was provided by you on your application for
service.
Base Fee for
onnection $ 429.00
Additional Ru
s @ $99.00 per run $ -
Additional Trip
fee, for customer requested additional trip $ 350.00
PSE Real Estate:
Easements, Permits, etc $ -
Complex engineering,
outage coordination, & switching orders @ $128.00 per hr._ $ 512.00
Requested ov
rtime,stand by fee,flagging charges or PSE Serviceman $ 2,604.64
Sales Tax & o
erheads (if applicable) $ 618.21
If you reques
a change in the number of conductors that need to be connected, request
that work be
erformed outside of normal working hours, request additional trips than
those discus
ed or have other changed conditions not indicated by other information that
you have pro
ided, we reserve the right to adjust this quote based on those changed
conditions.
his quote is valid for 90 days from the above date.
Upon your sigh
will receive an
days.
If you have ar
Sincerely,
David Honey
Project Manage
Potelco/PSE R
Kent Fleet
8001 S 212th
Kent, WA 980,'
ied acceptance and return of this quote and completion of the connection work, you
invoice for the above amount from Puget Sound Energy, which is payable in thirty
y questions please contact me at
iett
presentative
253-677-7726.
ustomer Signature
I agree to the price and conditions as stated above.
Billing address: c tvv o- ��aN ,c- j Arta rA%kcz 43_Nc,T
tZ;Nt�� h `A3Z-52
POTELCO INC
PUGET SOUND ENERGY A Quanta Services Company
GUIDELINES FOR CUSTOMER PROVIDED EXCAVATION
In Municipal/County right-of-ways under a Puget Sound Energy/Potelco permit
Dear Customer:
March 14, 2014
Re: City of Renton
3555 NE 2nd St
Renton, WA 98056
Reference Job# 105074941 — Property Near 500 W Perimeter Rd, Renton WA 98057
After a permit has been issued we will forward a copy of it to you. You are responsible to have the permit
activated by the Potelco staff three full working days prior to you (your) contractor working/boring/excavating
in the municipal/county right-of-way. If Potelco has not activated the permit, you are in violation of the permit
rules and you are subject to code enforcement fines. This fine can be $1,000.00 in some areas. And
PSE/Potelco will not accept any of the excavation or install any PSE facilities in the excavation.
This permit is only for PSE facilities; all other utilities such as telephone, cable television, etc. must be
permitted separately. The permit for the other utilities must be on site or they cannot utilize this portion of
excavation in right-of-way under the PSE obtained permit.
It is the customer's responsibility to provide traffic control signs, barricades and traffic control flagging
personnel per "Part V1 Manual of Uniform Traffic Control Devices for Streets and Highways." Excavation
inspections are required and you are responsible for all trench inspection fees on the closing of this permit.
It is important to call your Potelco Project Manager after the trench is closed and all restoration is in place for
final inspection and to close the permit. Failure to do so will result in ongoing charges (fines) for excavation
inspections passed on to you.
These guidelines regarding excavation are meant to better serve PSE customers and the municipality/county
permit agencies. Careful reading and following of the guidelines will help you avoid fines, and costly down
time or job re -scheduling.
Should this agreement present any questions or concerns please feel free to contact me directly at
253-677-7726.
Sincerely,
Dave Honeysett
Project Manager
I hav 'read and erstand ee to the terms and conditions outlined above.
OWNER OR OWNER DE 1 E'S SIGNATURE PRINT NAME DA E
uepartment of community and !. - Cityof,�
Economic Development ,
Franchise Permit: MFP14001813
IVR Number: 14001813
Permit Name: Renton Airport Lift Station, CIP WWP-27-03625
Address/Location: 451 W PERIMETER RD Parcel Number: 0723059007 Application Date: 04/08/2014
Permit Type: Franchise Issue Date: 04/08/2014
Permit Work Class: Minor Utility Expiration Date: 04/30/2015
Franchise Type: Electric Job Number: #105074941
Description: Replace Transformer, install power in conduit for new lift station and disconnect power to old lift station . CIP
WWP-27-03625
Billing Type
Name
Address
Phone
X Applicant
Michael Benoit
1055 S GRADY WAY
B: (425) 430-7206
City of Renton - Sewer
RENTON, WA 98057
Contact
DAVID HONEYSETT
8001 S 212TH ST
B: (253) 677-7726
POTELCO
KENT, WA 98032
X Owner
City of Renton
1055 S GRADY WAY
B: (425) 430-6500
RENTON WA 98057
- Permission is hereby given for the work described on this permit according to the conditions hereon and according to the approved
plans and specifications pertaining thereto, subject to compliance with the Ordinance of the City of Renton .
- This permit and plans must be posted at the job site at all times.
- I hereby certify that no work is to be done except as described above and in approved plans, and that work is to conform to Renton
Trench Restoration and Street Overlay Requirements .
- Call (425) 430-7203 one working day in advance for inspections and for ANY work in the Right of Way.
- Call 8 1 1 to locate underground utilities at least two full business days prior to any excavation .
- In accordance with RCW 19.122.033(4) the permit holder is required to contact (Williams Northwest Pipeline at 425.868.1010)
(Olympic Pipeline at 206.510.0575)(Puget Sound Energy at 425.462.3207) to request a consultation with the transmission pipeline
company prior to performing any construction or excavation activities . This requirement to consult with the transmission pipeline
company is in addition to the requirement to Call before You Dig as required in RCW 19.122.
WS /i y
(Signature) (Date)
THIS PERMIT AND PLANS MUST BE POSTED AT THE JOB SITE AT ALL TIMES Page 1 of 2
PUGET
SOUND
ENERGY pOTELCOINC
A Quanta Services Company
March 14, 2014
Dear Customer:
In an effort to design your project in a timely manner, enclosed are forms that need to be
executed by you.
With these forms in place (returned to me) it will help rush your job through engineering, and are
required by Puget Sound Energy (PSE) / Potelco Inc. prior to releasing and scheduling your job to
construction.
❑ PSE Cost letter
❑❑PSE Excavation Grade Certification form
❑❑PSE Guidelines for Customer Provided Excavation form
❑❑PSE Requirements for Trenching by Customer on Public Right -of -Ways form
❑❑Trench Inspection Cost
❑❑Utility Permit for City of Renton
❑❑PSE /POTELCO Work sketch
Please return forms to:
Potelco, c/o David Honeysett,
8001 S. 212th Street,
Kent, WA 98032-2453
If you have any questions, please contact me at (253) 677-7726
Sincerely,
David Honeysett
Project Manager
Quanta/Potelco, Inc. Service Provider for Puget Sound Energy
U 140o i q (D
j'�' r� 140 1�(3
4� PUGET SOUND ENERGY
March 14, 2014
City of Renton
ATTN: Clayton Anderson
3555 NE 2"d St
Renton, WA 98056
Re: Customer Agreement for Commercial Line Extensions
PSE order No. 105074941
Dear Customer,
POTELCO INC
A Quanta Services Company
In accordance with Puget Sound Energy's (PSE) Tariff G, Rate Schedule 85 "Line Extensions", on file with the
Washington Utilities & Transportation Commission, this agreement confirms our intention to provide electrical service to
your project at Near 500 W Perimeter Rd, Renton WA 98057 per the attached PSE design drawing. The delivery
voltage of this electrical service is 2771480 volts.
This cost information is valid for 90 days from the date of this letter, and is subject to being updated after that time. The
payment of the total amount due and the return of signed documents as noted elsewhere in this letter is required prior to
commencing our work.
Please make checks payable to Puget Sound Energy and return to address listed below:
8001 S 212th
Address
The cost for this work is determined as follows:
Kent 98032
City Zip Code
Estimated Normal Construction Cost including transformation
Less: Applicable Margin Allowance
Total line extension charge
Other charges- Upgrade 3 phase padmount transformer
Dedicated facilities
Total Other charges
Total amount due under this letter
$ 2,335.64
$ 0.00
$ 2,335.64 (1)
$ 4,831.05
+ $ 0.00
_ $ 4,831.05 (2)
$ 7,166.69 (1 + 2)
Charges for temporary and permanent electric service lines for your project are not included in the above
charges. To order these services and obtain costs, please contact PSE at 888-321-7779 after electrical
inspections have been approved. These additional charges will be billed after installation in accordance with
Rate Schedule 85. These charges also do not include permitting fees or trenching and other excavation related
work that is your responsibility.
3538 9/05
-Charges relating to your PSE-provided street lighting system in this project are not included in the above prices, and will
come to you from PSE's IntoLight department under separate letter. Charges relating to Rate Schedule 73 "Conversion to
Underground Service for Customers other than Government Entities" will be addressed under separate letter.
This cost information reflects the work being performed during normal working hours. These charges do not include
permitting fees or trenching and other excavation -related work that is your responsibility to provide.
Please review the attachments provided. The Excavation Requirements & Final Grade Certification must be signed by
the project owner or designee, and returned to me along with a signed copy of this letter prior to the start of construction.
The work sketch document shows the proposed design, including the location of permanent, aboveground electrical
facilities required to provide electrical service to your project. Fault current information for transformers associated with
your project are noted on the work sketch drawing. Please notify me immediately if you believe there are conflicts
between PSE's design and your project. Additional construction -related information and information on metering and
service entrance requirements is provided in PSE's Electric Service Handbook for commercial projects. If you do not
have one of these handbooks, and would like one, please contact me. It is your responsibility to provide your project
manager, site superintendent, and subcontractors with any relevant information from this correspondence, it's
attachments, and PSE's Handbook that applies to their work.
Refunds associated with the line extension charge may be available for additional permanent service hook-ups not initially
considered that are made within five (5) years of the date on which the electric distribution facilities installed for this
project are initially energized. If no Margin Allowance has initially been provided, or if your Margin Allowance exceeds
$75,000, PSE agrees to calculate and refund the Margin Allowance, subject to Schedule 85, two (2) years after the line
extension is energized. Customers are responsible for making all refund requests. A refund may be requested one (1)
time within six (6) years of the date on which the distribution facilities are initially energized. Your refund request should be
directed to PSE's Customer Accounting Coordinators at 253-476-6335 or 253-476-6440. You will find it useful to retain
this letter to use as a reference when making your refund request.
All costs and refunds are in accordance with PSE's Rate Schedule 85, and any discrepancies between this letter and the
Rate Schedule will be resolved in favor of the Rate Schedule. Rate Schedule 85 contains more detailed information
covering costs, refunds, rights, and obligations than is reflected in this letter. The entirety of Rate Schedule 85 may be
viewed at PSE's website www.pse.com under the "Inside PSE" heading.
Projects developed by Limited -Liability Companies (LLC's) are required to provide contact information for all managing
members in addition to a copy of your Master Business Application. This information too, must be provided prior to
commencing construction on your project.
Thank you for the opportunity to provide electrical service to your project. PSE will use reasonable diligence in
commencing this work, but we will not be liable for any delays resulting from circumstances beyond our control, including
but not limited to failure to receive necessary Operating Rights. If you have any questions, please call me at
253-677-7726
Sincerely,
Dave Honeysett
Project Manager
Potelco, Inc.
read an agree to t ms and conditions outlined in this ag Bement and it's attachments.
�E;OR OWNER DESIGNEE'S SIGNATURE RINT NAME DA
3538 9106
PIRGY
GET
' SUND POTELCO INC
EA Quanta Services Company
March 31, 201
City of Rento
3555 NE 2nd t,
Renton, WA 9 056
RE: Non -Residential secondary electric service to 600 W. Perimeter Rd, Renton, WA 98057
(PSE Job #10 074941)
In accordance with Puget Sound Energy's Tariff G, Schedule 85, customers requesting electric
Non -Residents 1 underground secondary voltage service connections are "subject to the Customer
paying an esti ated charge based on the Company's cost of making the connection(s)."
The estimated cost for connecting the underground electric service at the above $ 4,513.85
This quote is ased on the following information that was provided by you on your application for
service.
Base Fee for Connection
$ 429.00
Additional Runs
@ $99.00 per run $ -
Additional Trip
fee, for customer requested additional trip $ 350.00
PSE Real Estate;
Easements, Permits,' etc $ -
Complex engi
eering, outage coordination, & switching orders @ $128.00 per hr._ $ 512.00
Requested ov
rtime,stand by fee,flagging charges or PSE Serviceman $ 2,604.64
Sales Tax & overheads
(if applicable) $ 618.21
If you reques
a change in the number of conductors that need to be connected, request
that work be
3erformed outside of normal working hours, request additional trips than
those discussed
or have other changed conditions not indicated by other information that
you have pro
iided, we reserve the right to adjust this quote based on those changed
conditions. this
quote is valid for 90 days from the above date.
Upon your sig ed acceptance and return of this quote and completion of the connection work, you
will receive an invoice for the above amount from Puget Sound Energy, which is payable in thirty
days.
If you have ar�y questions please contact me at
Sincerely,
David Honey
Project Manag
Potelco/PSE F
Kent Fleet
8001 S 212th
253-677-
�1 stomer Signature
I agree to the price and conditions as stated above.
Billing address: c tYr oft e4m va,To r'i XTTa ►- ,k<z 43vt40; T
906L.%C- La 2ILS LY-6 InrI is 5wk Fa,c odi
Kent, WA 9803F iosC' 5 Qw .wOY .� A.-r
�Z��ti ;,:>s- 9bo51 -3232
POTELCO INC
PUGET SOUND ENERGY A Quanta Services Company
GUIDELINES FOR CUSTOMER PROVIDED EXCAVATION
In Municipal/County right-of-ways under a Puget Sound Energy/Potelco permit
Dear Customer:
Re: City of Renton
March 14, 2014
3555 NE 2nd St
Renton, WA 98056
Reference Job# 105074941 — Property Near 500 W Perimeter Rd, Renton WA 98057
After a permit has been issued we will forward a copy of it to you. You are responsible to have the permit
activated by the Potelco staff three full working days prior to you (your) contractor working/boring/excavating
in the municipal/county right-of-way. If Potelco has not activated the permit, you are in violation of the permit
rules and you are subject to code enforcement fines. This fine can be $1,000.00 in some areas. And
PSE/Potelco will not accept any of the excavation or install any PSE facilities in the excavation.
This permit is only for PSE facilities; all other utilities such as telephone, cable television, etc. must be
permitted separately. The permit for the other utilities must be on site or they cannot utilize this portion of
excavation in right-of-way under the PSE obtained permit.
It is the customer's responsibility to provide traffic control signs, barricades and traffic control flagging
personnel per "Part V1 Manual of Uniform Traffic Control Devices for Streets and Highways." Excavation
inspections are required and you are responsible for all trench inspection fees on the closing of this permit.
It is important to call your Potelco Project Manager after the trench is closed and all restoration is in place for
final inspection and to close the permit. Failure to do so will result in ongoing charges (fines) for excavation
inspections passed on to you.
These guidelines regarding excavation are meant to better serve PSE customers and the municipality/county
permit agencies. Careful reading and following of the guidelines will help you avoid fines, and costly down
time or job re -scheduling.
Should this agreement present any questions or concerns please feel free to contact me directly at
253-677-7726.
Sincerely,
Dave Honeysett
Project Manager F(
I hav read and )derstand ee to the terms and conditions outlined above.
OWNER OR OWNER DE E-S SIGNATURE PRINT NAME DA E
Department of Community and - �-- t its of
Economic Development Ri iC �''
Franchise Permit: MFP14001813
IVR Number: 14001813
Permit Name:
Renton Airport Lift Station, CIP WWP-27-03625
Address/Location:
451 W PERIMETER RD Parcel Number: 0723059007 Application Date:
04/08/2014
Permit Type:
Franchise Issue Date:
04/08/2014
Permit Work Class:
Minor Utility Expiration Date:
04/30/2015
Franchise Type:
Electric Job Number: #105074941
Description:
Replace Transformer, install power in conduit for new lift station and disconnect power to old lift station .
CIP
WWP-27-03625
Type
Name
Phone
_Billing _
X Applicant
_
Michael Benoit
-Address
1055 S GRADY WAY
B: (425) 430-7206
City of Renton - Sewer
RENTON, WA 98057
Contact
DAVID HONEYSETT
8001 S 212TH ST
B: (253) 677-7726
POTELCO
_ _ KENT, WA 98032
X Owner
City of Renton
1055 S GRADY WAY
B: (425) 430-6500
RENTON WA 98057
Permission is hereby given for the work described on this permit according to the conditions hereon and according to the approved
plans and specifications pertaining thereto, subject to compliance with the Ordinance of the City of Renton.
This permit and plans must be posted at the job site at all times.
I hereby certify that no work is to be done except as described above and in approved plans, and that work is to conform to Renton
Trench Restoration and Street Overlay Requirements .
Call (425) 430-7203 one working day in advance for inspections and for ANY work in the Right of Way.
Call 8 1 1 to locate underground utilities at least two full business days prior to any excavation .
In accordance with RCW 19.122.033(4) the permit holder is required to contact (Williams Northwest Pipeline at 425.868.1010)
(Olympic Pipeline at 206.510.0575)(Puget Sound Energy at 425.462.3207) to request a consultation with the transmission pipeline
company prior to performing any construction or excavation activities . This requirement to consult with the transmission pipeline
company is in addition to the requirement to Call before You Dig as required in RCW 19.122.
(Signature) (Date)
THIS PERMIT AND PLANS MUST BE POSTED AT THE JOB SITE AT ALL TIMES Page 1 of 2
Circuit Feet Added: 0'
318200-165824
Sq. Footage: 80
Panel Size: 100
1 6 5T
Est Demand: 25KW
3181200- 1615813 UNKNOWIN
TRANSFORMER INSTALLATION
TRANSFORMER REMOVAL
LR6: 81 I
................Installed
at site: Vol
Removed at site: Vol
• V. Drop: 2.7
Grid Number: 318175-165813
Grid Number: 318175-165813
• Flicker: 4.3
kVA Rating: 11 2.5KVA
kVA Rating: 45KVA
18 165825
Foreman to redline the following information
Foreman to redline the following information
"D
Company ID#:
Company ID#:
Primary phase connected to:
Primary phase connected to:
Tested Secondary Voltage
Tested Secondary Voltage
... .......... ..........
4.
8 '18 0 - I C- 81 3
2 '5! 120240v
�VA
............. . ................... 318176-165812
318213.166814
318175- 165813
318214-155802
AOADW886
Vol
100kVA 1201240v
BOADWS87
COADW888
Z,
100T
I I 2.5kVA 277/480v
X0386
BOADW882
I Od P
318215-165797
N.O. A0ACD780
'J
26kVA 12040v
3182103
6582
BOACD78OACD781
C2-
3 11 8 -18 5-16 5 8111
BOAD�811
W W 81
W, DW,
AD 19 2
AOA.W883
B10A a84
3 1 ";'1 SO- 16) 5 8 0 1
.0 OA 5
0
-(D'
3 8 09-165799
37.SkVA MINN
A04; 774 -
10 10 3 240)
AOADW921
804 775-
C041776 -
65T
UNKNOWN
31819f>165841
----------- D—
8 `,3 9 - 16 5 '6, 8
AOUNK
BOUNK
11P
COUNK
318180-165813
1201240v
26kVA
A
C030229
3! 8 15"
k,
J 318176-166812
318175-165813
AOADW878
BOADWS79
46kVA ZT71480Y
A
COADWS80
JOB SITE
0 k VA 12 0,
AOADW926
BOADW927
COADW928
4AD
I
AO W -5
31aCOADW877
-1'556-11135-17.1� 5
s. DW:1
A
<
SITE PLAN
CONSTRUCTION NOTES
-EXISTING VAULT TO REMAIN
318167-165797
SCALE: 1 50'
- REPLACE EXISTING 45kVA TRF W1 NEW 112.5kVA 30 TRF.
3-50kvA 1201208v
A016517
- CONNECT CUSTOMER RUN UG SERVICES.
B016518
C016519
BOADW874
318164-165797
37AVA 120/240v
CONTACT INFO:
Clayton Anderson 1-509-886-6781
UNDERGROUND CIRCUIT
MAP
canderson@rh2.com
SCALE: 1 100'
POWER GENERAL NOTES
1. All materials to be installed in accordance with Puget Sound Energy's (PSE) standards. Any deviation from
this work sketch must be AUTHORIZED by Potelco's Project Manager and NOTED on the Foremans' Copy.
2. All switching arrangements and/or outage arrangements are to be made with the Project Manager at least
three (3) working days in advance.
3. Contact the Utilities Underground Location Center (1-800-424-5555) at least 48 hours prior to commencing
work to get the underground facilities located.
4. All work is to be done in accordance with local municipal and county permit requirements as applicable.
5. Inclement weather conditions may cause delays in construction times and dates.
POTELCO INC NOTES
FIRST TRIP: POTELCO INC DE -ENERGIZED AND REPLACE THE EXISTING 45KVA 2771480 3 PHASE UG PRIMARY
TRANSFORMER WITH A 112.5KVA 2771480 3 PHASE UG PRIMARY TRANSFORMER.
THE ELECTRICIAN CAN THEN ENTER LEFT HAND SIDE OF THE VAULT. TO PLUMB IN CUSTOMER OWN CONDUIT
AND PULL CUSTOMER OWN WIRE TO THE NEW 112.5KVA 2771480 3 PHASE VAULT FOR AIRPORT LIFT STATION.
(SO THE ELECTRICIAN CAN PASS THE LI STATE INSPECTION.)
THEN POTELCO INC WILL RE -ENERGIZED THE NEW 3 PHASE UG PRIMARY TRANSFORMER.
ELECTRICIAN RESPONSIBILITY
ELECTRICIAN WILL CALL AFTER THE ELECTRICAL PANEL HAS BEEN INSPECTED BY Ll.
ELECTRICIAN WILL CALL PSE METER DEPT: DAVE MUTSCHLER: 1- 253-395-6815.
(TO REVIEW THE 100 AMP PANEL).
ELECTRICIAN VERIFIES THE LI INSPECTION NUMBER#
ELECTRICIAN WILL CALL THE PSE PROJECT MANAGER DAVE HONEYSETT1-253-606-4983.
A• ,t
:B. ••
RENT W
3Sb: '30 17S
a C
INIY 7 J ST: PCR
13 AnpewT
4kV : 3 0 : 65T
3`�: X7206 IX405 X3516
X9660 25T 25T N 6 SS✓
40T
-i
-'� ••�C
. BOEING ALT. FEE
e
I�
t I
��
„IbX386
A • 100T
I�
C
:3�
— —I?�,
I�
I
JOB SITE
X541
, EING SYSTEM
REN70"I
1
B�
\��
'
Ai AT 25T BA
cO ; FROM X386 TO
to : 3� METERING BY X733
STAD/UM
I
�e
OVERHEAD CIRCUIT MAP
SCALE: 6" = 1 MILE
POTELCO DESIGN AND
QUALITY ASSURANCE
'
y 2&his design complies with PSE
Design/Engineering Standards.
Any/all variations have been
pre-approved/documented by the
appropriate/PSE Representative.
Signature
Print Name �V7✓i •�Y7ri if y >
Dale
FOREMAN (CHECK BOX WHEN COMPLETED)
❑ PSE Equipment LOCKED/SECURED & Work Area left in CLEAN/SAFE Condition.
❑ Grid. Cable. and Switch numbers INSTALLED & VERIFIED.
❑ Field Changes RED -LINED on As -built.
❑ Material VERIFIED and CHANGES noted on Paperwork
❑ Total PRIMARY Cable noted on As -built.
❑ Company ID#'s RECORDED in correct location on As -built.
❑ Indicate correct FUSE SIZE on As -built & VERIFY proper PHASE.
❑ Deviations noted on the As -built and their reason.
❑ I certify that the work performed meets PSE's standards and procedures
and that all quality requirements are met.
Foreman's Signature
Print Name Date
PROJECT PHASE
NOTIF#
ORDER#
PWR Superior
UG Trf Removal
UG Misc
500100425
105074941
584037683
594095178
Project Manager Contact Information:
Manager: Dave Honeysett
Cell Phone: 1-253-677-7726
E-Mail: david.honeysett@pse.com
Developer Yes
Yes x PSE
"Locates Required"
No
No
"Outages Required" Yes x
No
"Flagging Required" Yes x
No
3
2
1
REV# DATE
COUNTY
KING COUNTY
1 /4 SEC
SW SEC-07 T23N R05E
U-MAP NO (POWER)
2305EO27/028
UTILITIES
CONTACT
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Owner / Developer Contact
City of Renton
3555 NE 2nd St,
Renton, WA 98056
ATTN: Clayton Anderson 509-886-678 office
For contacts below dial 1-888-CALL PSE (225-5773)
Ci
2 BUSINESS DAYS
THIS SKETCH NOT TO BE RELIED UPON FOR EXACT LOCATION C
REAL ESTATE/EASEMENT PERMIT
REVIEW CIT`t
FUNCTION CONTACT PHON
PROJECT MGR Dave Honeysett 1-253-61
ENGR - POWER Dave Honeysett 1-253-6o
BY
DESCRIPTION
ENGR - GAS
Emer Sect
Gas Wk Ctr
POWER WK CTR
OCSOKE
DRAWN BY
CHECKED BY
OP MAP
PLAT MAP
APPROVED BY
FOREMAN #1
OH CKT MAP
2305EO28
�UGCKT MAP
2305EO27/028
�CIRCUITNO
PCR-13
IFOREMAN #2
IMAPPING
JOINT FACILITIES ARRANGEMENTS
D. Goodale 1-2.
.L (800) 424-5555
EFORE YOU DIG
EXISTING FACILITIES
OFRENTON
NO DATE
'-7726 02-267
'-7726 02-26-14
02-26-14
PUGET INCIDENT MAOP
AIRPORT LIFT STATION h
SOUND Gas Or er Elect Order
ENERGY UPGRADE AR 500 W PERIMETER ErTER RID, CONNECT/DISCONNECT
NOTON 98057 SVC SCALE 10 PAGE 1
i
DESIGNED BY POTELCO INC AS NOTED 01 / 01
PUGET SOUND ENERGY
March 14, 2014
City of Renton
ATTN: Clayton Anderson
3555 NE 2nd St
Renton, WA 98056
Re: Customer Agreement for Commercial Line Extensions
PSE order No. 105074941
Dear Customer,
POTELCO INC
A Ouants Services Company
In accordance with Puget Sound Energy's (PSE) Tariff G, Rate Schedule 85 "Line Extensions", on file with the
Washington Utilities & Transportation Commission, this agreement confirms our intention to provide electrical service to
your project at Near 500 W Perimeter Rd, Renton WA 98057 per the attached PSE design drawing. The delivery
voltage of this electrical service is 277/480 volts.
This cost information is valid for 90 days from the date of this letter, and is subject to being updated after that time. The
payment of the total amount due and the return of signed documents as noted elsewhere in this letter is required prior to
commencing our work.
Please make checks payable to Puget Sound Energy and return to address listed below:
8001 S 212`h St, Kent
Address City
The cost for this work is determined as follows:
Estimated Normal Construction Cost including transformation
Less: Applicable Margin Allowance
Total line extension charge
Other charges- Upgrade 3 phase padmount transformer
Dedicated facilities
Total Other charges
Total amount due under this letter
98032
Zip Code
$ 2,335.64
$ 0.00
$ 2,335.64 (1)
$ 4,831.05
+ $ 0.00
= $ 4,831.05 (2)
$ 7,166.69 (1 + 2)
Charges for temporary and permanent electric service lines for your project are not included in the above
charges. To order these services and obtain costs, please contact PSE at 888-321-7779 after electrical
inspections have been approved. These additional charges will be billed after installation in accordance with
Rate Schedule 85. These charges also do not include permitting fees or trenching and other excavation related
work that is your responsibility.
3538 9/06
Charges relating to your PSE-provided street lighting system in this project are not included in the above prices, and will
come to you from PSE's IntoLight department under separate letter. Charges relating to Rate Schedule 73 "Conversion to
Underground Service for Customers other than Government Entities" will be addressed under separate letter.
This cost information reflects the work being performed during normal working hours. These charges do not include
permitting fees or trenching and other excavation -related work that is your responsibility to provide.
Please review the attachments provided. The Excavation Requirements & Final Grade Certification must be signed by
the project owner or designee, and returned to me along with a signed copy of this letter prior to the start of construction.
The work sketch document shows the proposed design, including the location of permanent, aboveground electrical
facilities required to provide electrical service to your project. Fault current information for transformers associated with
your project are noted on the work sketch drawing. Please notify me immediately if you believe there are conflicts
between PSE's design and your project. Additional construction -related information and information on metering and
service entrance requirements is provided in PSE's Electric Service Handbook for commercial projects. If you do not
have one of these handbooks, and would like one, please contact me. It is your responsibility to provide your project
manager, site superintendent, and subcontractors with any relevant information from this correspondence, it's
attachments, and PSE's Handbook that applies to their work.
Refunds associated with the line extension charge may be available for additional permanent service hook-ups not initially
considered that are made within five (5) years of the date on which the electric distribution facilities installed for this
project are initially energized. If no Margin Allowance has initially been provided, or if your Margin Allowance exceeds
$75,000, PSE agrees to calculate and refund the Margin Allowance, subject to Schedule 85, two (2) years after the line
extension is energized. Customers are responsible for making all refund requests. A refund may be requested one (1)
time within six (6) years of the date on which the distribution facilities are initially energized. Your refund request should be
directed to PSE's Customer Accounting Coordinators at 253-476-6335 or 253-476-6440. You will find it useful to retain
this letter to use as a reference when making your refund request.
All costs and refunds are in accordance with PSE's Rate Schedule 85, and any discrepancies between this letter and the
Rate Schedule will be resolved in favor of the Rate Schedule. Rate Schedule 85 contains more detailed information
covering costs, refunds, rights, and obligations than is reflected in this letter. The entirety of Rate Schedule 85 may be
viewed at PSE's website www.pse.com under the "Inside PSE" heading.
Projects developed by Limited -Liability Companies (LLC's) are required to provide contact information for all managing
members in addition to a copy of your Master Business Application. This information too, must be provided prior to
commencing construction on your project.
Thank you for the opportunity to provide electrical service to your project. PSE will use reasonable diligence in
commencing this work, but we will not be liable for any delays resulting from circumstances beyond our control, including
but not limited to failure to receive necessary Operating Rights. If you have any questions, please call me at
253-677-7726
Sincerely,
Dave Honeysett
Project Manager
Potelco, Inc.
read an agree to t ms and conditions outlined in this ag eement and it's attachments.
R OR OWNER DESI NEE'S SIGNATURE �RINT DA E
3138 9/06
PJEP6Y
GET
' SUND
E POTELCO INC
A auanta Services Company
March 31, 201
City of Rento
3555 NE 2nd t,
Renton, WA 9 056
RE: Non-Resi ential secondary electric service to 600 W. Perimeter Rd, Renton, WA 98057
(PSE Job #10 074941)
In accordance with Puget Sound Energy's Tariff G, Schedule 85, customers requesting electric
Non -Residential underground secondary voltage service connections are "subject to the Customer
paying an estimated charge based on the Company's cost of making the connection(s)."
The estimated
cost for connecting the underground electric service at the above $ 4,513.85
This quote is It
ased on the following information that was provided by you on your application for
service.
Base Fee for donnection
$ 429.00
Additional Rur
s @ $99.00 per run $ -
Additional Trip
fee, for customer requested additional trip $ 350.00
PSE Real Estate;
Easements, Permits,I etc $ -
Complex engineering,
outage coordination,& switching orders @ $128.00 per hr._ $ 512.00
Requested ov
rtime,stand by fee,flagging charges or PSE Serviceman $ 2,604.64
Sales Tax & o
erheads (if applicable) $ 618.21
If you reques
a change in the number of conductors that need to be connected, request
that work be
erformed outside of normal working hours, request additional trips than
those discussed
or have other changed conditions not indicated by other information that
you have pro
iided, we reserve the right to adjust this quote based on those changed
conditions. This
quote is valid for 90 days from the above date.
Upon your signed
acceptance and return of this quote and completion of the connection work, you
will receive an
invoice for the above amount from Puget Sound Energy, which is payable in thirty
days.
If you have aly questions please contact me at 253-677-7
Sincerely,
David Honey ett _ '- stomer Signature
Project Manager I agree to the price and conditions as stated above.
Potelco/PSE Representative
Kent Fleet Billing address Agra �-a• its tic; r
8001 S 212th
Kent, WA 980 ions 5 G.2A�Y cs�I
' POTELCOINC
PUGET SOUND ENERGY A Quanta Services Company
GUIDELINES FOR CUSTOMER PROVIDED EXCAVATION
In Municipal/County right-of-ways under a Puget Sound Energy/Potelco permit
Dear Customer:
Re: City of Renton
March 14, 2014
3555 NE 2nd St
Renton, WA 98056
Reference Job# 105074941 — Property Near 500 W Perimeter Rd, Renton WA 98057
After a permit has been issued we will forward a copy of it to you. You are responsible to have the permit
activated by the Potelco staff three full working days prior to you (your) contractor working/boring/excavating
in the municipal/county right-of-way. If Potelco has not activated the permit, you are in violation of the permit
rules and you are subject to code enforcement fines. This fine can be $1,000.00 in some areas. And
PSE/Potelco will not accept any of the excavation or install any PSE facilities in the excavation.
This permit is only for PSE facilities; all other utilities such as telephone, cable television, etc. must be
permitted separately. The permit for the other utilities must be on site or they cannot utilize this portion of
excavation in right-of-way under the PSE obtained permit.
It is the customer's responsibility to provide traffic control signs, barricades and traffic control flagging
personnel per "Part V1 Manual of Uniform Traffic Control Devices for Streets and Highways." Excavation
inspections are required and you are responsible for all trench inspection fees on the closing of this permit.
It is important to call your Potelco Project Manager after the trench is closed and all restoration is in place for
final inspection and to close the permit. Failure to do so will result in ongoing charges (fines) for excavation
inspections passed on to you.
These guidelines regarding excavation are meant to better serve PSE customers and the municipality/county
permit agencies. Careful reading and following of the guidelines will help you avoid fines, and costly down
time or job re -scheduling.
Should this agreement present any questions or concerns please feel free to contact me directly at
253-677-7726.
Sincerely,
Dave Honeysett
Project Manager
I hav read and derstand ree to the terms and conditions outlined above.
OWNER OR OWNER DE E'S SIGNATURE PRINT NAME DA E
POWER GENERAL NOTES
1. All materials to be installed in accordance with Puget Sound Energy's (PSE) standards. Any deviation from
this work sketch must be AUTHORIZED by Pote/co's Project Manager and NOTED on the Foremans' Copy.
2. All switching arrangements and/or outage arrangements are to be made with the Project Manager at least
three (3) working days in advance.
3. Contact the Utilities Underground Location Center (1-800-424-5555) at least 48 hours prior to commencing
work to get the underground facilities located.
4. All work is to be done in accordance with local municipal and county permit requirements as applicable.
5. Inclement weather conditions may cause delays in construction times and dates.
POTELCO INC NOTES
FIRST TRIP: POTELCO INC DE -ENERGIZED AND REPLACE THE EXISTING 45KVA 2771480 3 PHASE UG PRIMARY
TRANSFORMER WITH A 112.5KVA 2771480 3 PHASE UG PRIMARY TRANSFORMER.
THE ELECTRICIAN CAN THEN ENTER LEFT HAND SIDE OF THE VAULT. TO PLUMB IN CUSTOMER OWN CONDUIT
AND PULL CUSTOMER OWN WIRE TO THE NEW 112.5KVA 2771480 3 PHASE VAULT FOR AIRPORT LIFT STATION.
(SO THE ELECTRICIAN CAN PASS THE LI STATE INSPECTION.)
THEN POTELCO INC WILL RE -ENERGIZED THE NEW 3 PHASE UG PRIMARY TRANSFORMER.
ELECTRICIAN RESPONSIBILITY
ELECTRICIAN WILL CALL AFTER THE ELECTRICAL PANEL HAS BEEN INSPECTED BY Ll.
ELECTRICIAN WILL CALL PSE METER DEPT. • DAVE MUTSCHLER: 1- 253-395-6815.
(TO REVIEW THE 100 AMP PANEL).
ELECTRICIAN VERIFIES THE LI INSPECTION NUMBER#
ELECTRICIAN WILL CALL THE PSE PROJECT MANAGER DAVE HONEYSETTI -253-606-4983.
A.
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B% `�� I Ai AT 25T BA CD
: 3� METERING BY X733 �e
OVERHEAD CIRCUIT MAP
SCALE: 6" = 1 MILE
POTELCO DESIGN AND
QUALITY ASSURANCE
r
j,� Inis design complies with PSE
Design/Engineering Standards.
Any/all variations have been
pre-approved/documented by the
appropriate/PSE Representative.
Signature
Print Name r.Ufc� �3¢T>l< (�
Date-
FOREMAN (CHECK BOX WHEN COMPLETED)
❑ PSE Equipment LOCKED/SECURED 8 Work Area left in CLEAN/SAFE Condition.
❑ Grid. Cable, and Switch numbers INSTALLED & VERIFIED.
❑ Field Changes RED -LINED on As -built.
❑ Material VERIFIED and CHANGES noted on Paperwork.
❑ Total PRIMARY Cable noted on As -built.
❑ Company I04's RECORDED in correct location on As -built.
❑ Indicate correct FUSE SIZE on As -built & VERIFY proper PHASE.
❑ Deviations noted on the As -built and their reason.
❑ I certify that the work performed meets PSE's standards and procedures
and that all quality requirements are met.
Foreman's Signature
Print Name Date
PROJECT PHASE
NOTIF#
ORDER#
PWR Superior
UG Trf Removal
UG Misc
500100425
105074941
584037683
594095178
Project Manager Contact Information:
Manager: Dave Honeysett
Cell Phone: 1-253-677-7726
E-Mail: david.honeysett@pse.com
Developer Yes Yes x PSE
"Locates Required" No No
"Outages Required" Yes x No
"Flagging Required" Yes x No
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Owner/Developer Contact l
City of Renton
3555 NE 2nd St,
Renton, WA 98056
ATTN: Clayton Anderson
509-886-6781. office
For contacts below dial 1-888-CALL PSE (225-5773)
2 BUSINESS DAYS
THIS SKETCH NOT TO BE RELIED UPON FOR EXACT LOCATION
REAL ESTATE/EASEMENT PERMIT
REVIEW CIT'
3
FUNCTION
2
PROJECT MGR
1
ENGR - POWER
REV#
DATE
BY
DESCRIPTION
ENGR - GAS
COUNTY
KING COUNTY
Emer Sect
Gas Wk Ctr
POWER WK CTR
QCSOKE
DRAWN BY
CHECKED BY
1/4 SEC
SW SEC-07 T23N R05E
OP MAP
PLAT MAP
APPROVED BY
FOREMAN #1
U-MAP NO (POWER)
2305EO27/028
OH CKT MAP
2305EO28
UG CKT MAP
2305EO27/028
CIRCUIT NO
PCR-13
FOREMAN #2
MAPPING
JOINT FACILITIES ARRANGEMENTS
UTILITIES
CONTACT
PHONE#
CONTACT PH
Dave Honeysett 1-25:
Dave Honeysett 1-25:
D. Goodale
ILL (800) 424-5555
3EFORE YOU DIG
EXISTING FACILITIES
OFRENTON
.NO DATE
'-7726 02-26-14
'-7726 02-26-14
79 102-26-14
PUGET INCIDENT fv1AOP
SOUND AIRPORT LIFT STATION k
E UG TRF, CONNECT/DISCONNECT UG SVC Gas OrUPGRADE
Elect Order
UPGRAD
ENERGY NEAR 500 W PERIMETER RD, RENTON, 98057 C 105
SCALE PPAGE 1
AGE
DESIGNED BY POTELCO INC AS NOTED 01 / 01
0
318200-165824
,D'
t
.L'1:.V 210;^ ti,r'
i
I
I
'
�1 E 8176- .1b5<S1?
1 �
V01 31.8175-105813
0.
112.5kVA 277/480v
1Gr0
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CONSTRUCTION NOTES
- EXISTING VAULT TO REMAIN
- REPLACE EXISTING 45kVA TRF w/NEW 112.5kVA 30 TRF.
- CONNECT CUSTOMER RUN UG SERVICES.
CONTACT INFO:
Clayton Anderson 1-509-886-6781
canderson@rh2.com
TRANSFORMER INSTALLATION
Installed at site: Vol
Grid Number: _ 318175-165813
kVA Rating: 112.5KVA
Foreman to redline the following information
Company ID#:
Primary phase connected to:
Tested Secondary Voltage
TRANSFORMER REMOVAL
Removed at site: Vol
Grid Number: 318175-165813
kVA Rating: 45KVA
Foreman to redline the following information
Company ID#:
Primary phase connected to:
Tested Secondary Voltage
318213.166814
j
318214-165802
AOADWS86
100kVA 1201240v
BOADWO87
COADW888
100T
X0386
BOADW882
318215-165797
N.O.
26kVA 1201240v 3 3
BOACD78
318212- 65803
COAC781
OACU782
BOAD4V881
AOADW1922
AOADW883
BOADW884
COADW885
318209-165799
37.5kVA 1201240v
1
1 A04774 -
BOa1775-
A0ADW921
C041776-
65T
UNKNOWN
318196-165841
AOUNK
BOUNK
COUNK
318180-165813
26kVA 1201240v
C030229
J 318176-165812
AOADW878
318175-165813
46kVA Z771480V
BOADW879
COADW880
JOB
SITE
AOADW926
BOADW927
COADW928
AOADW875
80ADW676 y
COADWS77 <
w
`m
c
¢
1Cr
y
E
318157-165797
d
3.50kVA 1201208v
&
-16517 r
B016518
C016519
BOADW8741
318164-165797
37.6kVA 1201240v
UNDERGROUND CIRCUIT MAP
SCALE: 1 " = 100'
PUGET SOUND ENERGY
PSE ELECTRICAL FACILITIES
EXCAVATION REQUIREMENTS & FINAL GRADE CERTIFICATION
PURPOSE
This document is an agreement between Puget Sound Energy (PSE) and the Owner/Developer (Developer) who is
providing excavation for the installation of PSE's facilities. This document does not provide an easement for operating
rights. If PSE determines that a recordable easement on the Developer's property or other property is necessary, it shall
be the Developer's responsibility to obtain such easements in a form acceptable to PSE prior to construction.
EXCAVATION REQUIREMENTS
The requirements and conditions outlined below apply when you provide the excavation for PSE's electrical facilities as a
condition of receiving electrical service for your project. If you need additional information, please call the PSE contact
person listed below.
1. Developer is responsible for acquiring utility locates by calling One -Call, 1-800-424-5555 at least 48 hours (two full
working week days) prior to digging. The excavation must meet the requirements of the Washington Administrative
Code and Safety Standards.
2. Developer shall call the PSE contact person noted below for trench and route approval prior to starting excavation
3. The electrical primary trench shall be excavated to provide a minimum of 36 inches of facility coverage, to a maximum
trench depth of 48 inches. The electric service trench shall be excavated to provide a minimum of *24 inches of facility
coverage, to a maximum trench depth of 36 inches. A 12-inch horizontal separation is required between PSE
electrical facilities and other utilities within a joint trench.
4. All back -fill must be free of sharp objects and construction debris. Developer shall provide and install sand bedding
and shading material for electrical facility protection as directed by PSE's contact person. Developer is responsible for
any damages caused by improper back -fill or compaction.
5. Developer agrees to maintain a minimum of 2 feet of horizontal clearance between PSE conduit, pipe or conductors
and any foundation on Developer's property.
6. The vault excavation shall be dug to the dimensions noted on the attached work sketch. Vault holes shall have a solid
level bottom with a 6 inch deep layer of crushed rock bedding.
7. Developer shall provide the excavation for PSE electrical facilities within the designed location. Developer shall
identify and provide final grade, property lines, and utility easements prior to installation of PSE's electrical facilities.
8. Developer will be financially liable for the relocation of PSE's electrical facilities which are inadequately covered,
located outside the area where PSE has adequate operating rights, improperly graded inhibiting standard access
and/or any damages resulting from dig -ins due to changes or variations in grade that are made after the installation of
PSE's electrical facilities.
FINAL GRADE CERTIFICATION
By signing below, I certify that the electrical facilities work area shall be at final grade prior to excavation. I assume full
responsibility for my excavation work and the resulting location of these facilities. I also agree to indemnify, defend, and
hold harmless Puget Sound Energy from all liability arising out of, or in connection with my work, including but not limited
to all claims, losses, damages, and expenses, including reasonable attorney's fees, which result from my failure to
excavate within easement areas or rights -of -way, or from digging without adequate rights on adjoining properties.
Date:
Owner or Developer Signature:
Project Address: Near 500 W Perimeter Rd, Renton WA 98057
PSE Contact Person: Dave Honeysett (253)-677-7726 PSE Work Order.-
*36 inches of backfill to top of conduit or cable required in King County, City of Renton, and City of Newcastle
105074941
Cert. Letter - Electric (Form No. 2806) 02/06
s--0t4 1,
GET
SOUNDSOUND
ENERGY pOTELCOINC
A Quanta Services Company
REQUIREMENTS FOR TRENCHING BY CUSTOMERS ON PUBLIC RIGHT-OF-WAYS
AND/OR ON PUGET SOUND ENERGY, INC. EASEMENTS
The following outlines most local governmental guidelines and company standards
for trenching on a public right-of-way or Puget Sound Energy, Inc. (PSE)
easement. Any trenching performed by the customer, or their contractor, under
a PSE permit or easement must comply with these requirements.
1. All trench construction must be performed by a Washington State
licensed and bonded contractor.
2. Trench excavation, backfill, restoration, and facility placement must be
coordinated with a PSE designated representative, and receive on -site approval
by that representative, and local jurisdiction.
3. Right-of-way easement trenching and backfill must be performed during
normal business hours, Monday through Friday. Same day excavation and backfill
is required for all trenching. Job start notification to the local jurisdiction
is the responsibility of Potelco, Inc. Customer shall notify Potelco Project
Manager three working days prior to trenching. Penalties for failure to comply
with this requirement will be borne by the customer.
4. If the job scope requires excavation beyond a single day, fencing and
barricading must be installed around utility facilities exposed above the
trench, if allowed, must be in accordance with local regulatory requirements.
5. PSE, all participating utilities, and One -Call Locate, must be notified a
minimum of 72 hours in advance of the date and time for right-of-way trenching
and facility placement. The One -Call Locate number is 1-800-424-5555. State
law requires locating service notification.
6. Excavated material must remain clear of the roadway whenever possible.
Excavation material, spoils, and debris shall be removed off -site each day, in
accordance with local regulatory requirements. All erosion control requirements
in accordance with local regulatory requirements are the responsibility of the
customer.
7. Material excavated from the shoulder of the right-of-way shall be properly
disposed, and replaced with select backfill material in accordance with local
regulatory requirements.
8. Proper compaction is required to comply with local regulatory
specifications. If the permit requires compaction testing, the cost of said
testing is the responsibility of the customer.
9. All permit requirements, traffic control plans, traffic control and
flagging shall meet local regulatory specifications and satisfaction.
Page 1 of 2
10. In the event of failure to abide by the above requirements, PSE reserves
the right, at its sole discretion, to assume trenching. In the event of delays
due to equipment failure, PSE may assume trenching to meet regulatory and joint
construction requirements. The customer is responsible for all trenching
costs, and will reimburse the company for costs should PSE perform the
trenching.
(initial)
11. The customer agrees to indemnify, defend and hold harmless PSE from all
liability (including reasonable attorneys' fees) arising out of, or in
connection with, the above mentioned trenching activities.
(initial)
Job Number 105074941
Trench Location Near 500 W Perimeter Rd, Renton WA 98057
Customer Name (print)
I AGREE TO ADHERE TO THE ABOVE CONDITIONS
Customer Signature
Title
Page 2 of 2
Date
own —
POT L
A Quanta Services Company
Private Utility Construction Short Form Construction Agreement
1. The parties to this Agreement are Potelco, Inc., whose address is 14103 8`h Street East, Sumner, IVA. 98390
('Potelco') and City of Renton whose address is 3555 NE 2nd St, Renton WA 98056 ("Customer').
2. Customer hereby engages Potelco to perform underground construction operations on Customer's private
property. The underground construction operations are limited to the following activities:
Inspection of trenching under Potelco permit — Job# 105074941
3. Customer shall pay Potelco the amount of $ 448.00 *plus tax (9.5 %) $ 42.56 fora total of $ 490.56
® One hundred percent (100%) of this amount shall be paid prior to commencement of the Work, ❑ Fifty
percent (5001o) of this amount shall be paid prior to commencement of the Work and the balance is due at the
conclusion of the Work or ❑ At the conclusion of the Work. Interest shall accrue on overdue payments at the
rate of two percent above the prime interest rate as published_fi•om time to time in the Wall Street Journal; or, if
the law prohibits such a rate, then the rate shall be the highest rate allowed under the law. Customer shall also
reimburse Potelco for all costs of collection, including attorneys' fees, incurred by Potelco in enforcing this
payment obligation.
4. Customer recognizes that if payment is not made in accordance with this agreement, in addition to any other
remedies Potelco may have, Potelco may place a mechanics' lien against the property on which the Work was
performed.
5. Customer represents and warrants that he is the owner of the property upon which the Work has been requested
and that he has the full authority to contract for the Work.
6. Potelco shall perform the Work in accordance with industry standards of practice for the locale in which the
Work is to be performed. Customer recognizes that one of the risks inherent in this type of work is the potential
,for damage to an existing underground utility. Customer is advised that Potelco is not in the business of
locating utilities and that no such services are apart of the Work hereunder. Therefore, Customer agrees to be
solely responsible for identifying, marking or otherwise advising Potelco of the location of existing utilities on
Customer's property so that Potelco can avoid contact therewith. Customer hereby expressly assumes all risks
that Potelco will strike or otherwise damage an existing underground utility in the performance of the work.
7. To the fullest extent permitted under the law, Customer shall indemnify and defend (with a lawyer to be chosen
by Potelco) Potelco and its employees, agents, representatives, affiliates and assigns, ("Indemnitees') from and
against all claims, losses and damages, including attorneys' fees, ("Claims') arising out of the performance of
the Work notwithstanding Indemnitees' concurrent negligence. Customer shall have no liability to defend or
indemni7 Indemnitees for Claims proximately caused by Indemnitees'sole negligence.
Complete attached Washington State Resale Certificate if job is for resale.
POTELCO, INC.
David Honeysett
Project Manager
Contact #: (253) 677-7726
CUSTOMER
Sign:
Print:
Dated:
Utility Permit Letter
Date: March 14, 2014
To: City of Renton
3555 NE 2nd St
Renton, WA 98056
From: Potelco, Inc.
8001 S. 212th Street
Kent, WA 98032
Subject: Obtain necessary permits and/or operating rights for your project located at
Near 500 W Perimeter Rd, Renton WA 98057. (Job # 105074941)
According to Puget Sound Energy's filed Tariff, Schedule 85, customers requesting new
electric service are required to obtain "all legal rights necessary" for the construction of
new electric facilities to serve their project. Operating rights need to be obtained by the
Company (Puget Sound Energy) prior to the commencement of construction of such
facilities. Most municipalities/counties will not issue a utility permit to someone who is
not an agent of the utility company. Therefore, Potelco, Inc., as Puget Sound Energy's
agent, will obtain necessary municipality/county permits at the request of the customer.
The *estimated cost for obtaining the required municipality/county permits for your
project at the above address is 595.23. If you wish for Potelco to obtain the
necessary permit(s) please sign below as acceptance of these conditions and submit a
check in this amount to Potelco, Inc. at the above address.
Most permits are valid for 6 (six) months. Funding is required again, if permit expires.
* This is an estimated cost, customer is responsible for actual cost on closure of permit.
Respectfully,
Dave Honeysett
Project Manager
Potelco, Inc
253-677-7726
Accepted
Print Name
Date
PROPERTY I CLIENT NAME: Former Renton Chamber of Commerce Building FUNDING AGENCY: Community Economic
Revitalization Board
Project Applicant: City of Renton, Renton Municipal Airport
Contact Person: Ben Dahle
Address: 616 W Perimeter Rd, Unit A
City, State: Renton Zip: 98057 County: King
Phone/ FAX: 425.430.7476
E-Mail: BDahIeCa)Rentonwa.gov
Funding Agency:
Organization:
Community Economic Revitalization Boar
Address:
PO Box 42525
City, State:
01ym0a, WA Zip: 98504-2525
Phone:
(360) 725-3161
® Provide a detailed description of the proposed project:
The former Renton Chamber of Commerce Building is proposed for replacement utilizing funds from the
Community Economic Revitalization Board, Economic Development, Micro Community Revitalization and
Community Revitalization grant program. The structure was originally constructed in 1961, with significant
alterations of the building taking place in 1970 (see below). The wood -framed structure is outdated and
unsuited for the proposed re -use plan as a aerospace training facility. The present proposal would utilize the
current property to build a new structure for educational use by Renton Technical College, operating as Renton
Aerospace Training Center. No new property or right-of-way is necessary for the proposal.
® Describe the existing project site conditions:
The proposed building project is located on City of Renton Property in King County, Washington. Specifically, it
is located in the NE'/4'/ of the NW '/4 of Section 18, Township 23 North, Range 5 East, Willamette Meridian, on
the Renton, WA (1989), 7.5-minute U.S. Geological Survey (USGS) quadrangle (Below). The project is located
in a highly developed commercial and industrial use area on a 30 foot steeply cut terrace overlooking Renton
Airport and a former, in -filled embayment of Lake Washington where the Black River and Cedar River conflux
(Figures 1-2). The property consists of the two-story former chamber building, a large paved parking lot
(Figures 3-4) and a small pocket park at the southern end of the property which is not proposed for any re -use.
A small amphitheatre was removed previously from the park. The building footprint consists of a large
excavation for a daylight basement, allowing for only a single story above the present, surrounding, ground
surface.
The building is located on a formerly undulating terrace landform composed of sandy glacial drift. Logging,
farming and industry have dramatically altered the landform as is illustrated in Figures 1-2 and through
subsurface excavations at the property. The U.S. Army was largely responsible for this alteration when, for use
in the WWII war effort, they filled in the present configuration of the Renton Airport to build B-29 Bombers. The
present project location was cleared and leveled, while a large portion of the lower airport property, including
the former course of the Black River, was filled with materials from the upper terrace and hillside itself.
The building at 289 Perimiter Road/300 Rainier Avenue South was constructed in 1961 as the original Renton
Chamber of Commerce building. The building was designed by Johnston -Campanella AIA + Associates of
Renton, Washington. The building was constructed as a single story 56-foot by 40-foot structure on the
southwestern edge of the Renton Municipal Airport. It was reportedly constructed at a very low cost, using
inexpensive materials and construction techniques. However, its design is distinctive, and representative of
mid-century building styles. The distinctive roofline above the east and west elevations mimic the sawtooth
roofline of the WWII era Boeing manufacturing plant that it faces to the east, across the airport runway. And the
north and south entries originally saw parabolic rooflines. Unusual four -light diamond windows, with one
aluminum casement opening provide light on the west, street -side, fagade, beneath each gable peak. The
Chamber of Commerce building was originally designed with an expansive observation deck that spanned the
entire east facade and most of the north and south facades, accessed by two sets of sliding doors on the east
facade, which capitalized on the views of the airport. Because of structural deficiencies, the observation deck
was removed and the sliding doors were replaced with vinyl sash circa 2002. In the 1970s, a major addition
was built at the primary (south) entry, which highly modified the building's design and materialsAlthough the
building exhibits some distinctive characteristics of a mid-century municipal building, it is not recommended
eligible for listing in the NRHP because it lacks integrity of design, materials, workmanship, and feeling.
® Describe the proposed ground disturbing activities:
Ground alterations would likely be contained to the previously disturbed soils associated with the construction
phases of the extant structure.
® Check if building(s) will be altered or demolished. If so please complete a DAHP
Determination of Eligibility "EZ2 form" using our on-line Historic Property Inventory
Database for each building affected by the proposed project.
41
H E N
a —
Approximate Project Site
AL
J.;
T
N
Figure 1. An adaptation of the 1903 T-Sheet approximating the subject property.
Figure Z. A portion of a 1936 aerial photo, courtesy of Uity of Kenton, adapted to illustrate the project location.
Figure 3. A view north along the east facing side of the former Chamber building.
Figure 4. View north from the parking lot toward the building entrance (and Lake Washington beyond).
Tnwnshin: 15 Nnrth Ranae 4 Fact Section: is
.............................................................................................
Mail this form to: Department of Archaeology and Historic Preservation or E-mail to: Robert
Whitlam, Ph.D.
1063 S. Capitol Way, Suite 106 State Archaeologist, DAHP
P.O. Box 48343 (360) 586-3080
Olympia, WA 98504-8343 rob.whitlam(d_)dahp.wa.gov
(Within 30 days DAHP will mail their opinion back to you.)
35 _ _ _ 35
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CITY OF RENTON
ROTFIHILL
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CONTRACT NO._
AIRPORT LIFT STATION ABANDONMENT
SEWER PLAN AND PROFILE
Roth Hill, LLC Tel 425.869.9448 www.rothhill.com
11130 NE 33rd Place, Suite 200 Bellevue, WA 98004
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