HomeMy WebLinkAboutSEPA E2000-010 - SABEY CORPORATION - ABOVE NET TENANT IMPROVEMENTE2000 -010
SABEY
CORPORATION
3433 S. 120 "` PLACE
i
City of Tukwila
Steven M Mullet, Mayor
Department of Community Development Steve Lancaster, Director
NOTICE OF DECISION
To: Laurent Poole, Applicant for Sabey Corporation
John Lang, Contact for Sabey Corporation
King County Assessor, Accounting Division
State Department of Ecology, SEPA Division
This letter serves a notice of decision that the application to designate the Above Net tenant
improvement as a planned action is issued pursuant to TMC 21.04.156.
PROJECT BACKGROUND
FILE NUMBER: E2000 -020 Planned Action
APPLICANT: Laurent Poole, Sabey Corporation
REQUEST: Determine that the Above Net tenant improvements fall under the
Manufacturing/Industrial Center planned action criteria and therefore no additional SEPA review
is required.
LOCATION: 3433 S. 120`h Place Building 4, International Gateway East
PROJECT DESCRIPTION: Tenant improvement to existing 115,000 square foot
warehouse /manufacturing building to convert to internet data center. Includes chiller and
equipment yards, underground fuel storage tanks and emergency backup electrical generators.
DETERMINATION: Project falls under the planned action guidelines. The decision is final with
no administrative appeal.
ZONING /COMPREHENSIVE
PLAN DESIGNATION: MIC/H
Project materials including the application, any staff reports, and other studies related to the
permits are available for inspection at the Tukwila Department of Community Development;
6300 Southcenter Boulevard; Suite 100; Tukwila, WA; from Monday through Friday, between
8:30 AM and 5:00 PM. The project planner is Nora Gierloff who may be contacted at (206) 431-
3670 for further information. Property owners affected by this decision may request a change in
valuation for their property tax purposes notwithstanding any program of revaluation.
6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • Phone: 206- 431 -3670 • Fax: 206 - 431 -3665
June 14, 2000
Sabey Corporation
12201 Tukwila International Blvd., 4th Floor
Seattle, WA 98168 -5121
Attention: Mr. John Lang
Subject: Abovenet
Noise Analysis
Dear John:
000USTICS,I11C.
Consulting Services
in Sound & Vibration
Control
Jerry G. Lilly, P.E. President
5266 MN Village Park Drive
Issaquah, WA98027
Phone: (425) 649 -9344
Fax (425) 649-0737
RECET�KWILA
CITY OF
JUN 1 4 2000
PERMIT T CENTER
This report summarizes my findings regarding the issue of environmental noise radiation
from the proposed Abovenet project at Intergate East (Building #4) in Tukwila, WA.
Intergate East is a five building industrial complex located between Highway 99 (Pacific
Highway South) and East Marginal Way, just south of South 120th Place. This report
presents the results of an acoustical analysis of the proposed mechanical and power
generation equipment described in the 70% review plans dated 5/25/00. The primary
noise generating equipment associated with this project are nine diesel generators located
inside the building near the southwest corner, six air - cooled chillers located in an outdoor
enclosed area near the northeast corner of the building, and 25 HVAC rooftop units. The
rooftop units are comprised of 9 packaged A/C units, 2 condensing units, 2 make -up air
units, and 11 exhaust fans.
The project is located within the City of Tukwila, and the Tukwila Noise Ordinance
(Chapter 8.22) governs the maximum permissible sound levels as noise is radiated across
property lines. The subject property is zoned industrial, and so is the adjacent property in
all directions. The nearest property that is zoned residential is in King County on the
west side of Highway 99 — approximately 1200 feet from this site. A site plan of the
vicinity is presented in Figure 1.
Equipment Noise Levels
Noise data for the generator equipment was obtained from field noise measurements
conducted at another Abovenet project utilizing similar equipment. The calculated
overall A- weighted sound power level created by each generator (engine plus radiator
plus generator) is 119 dBA (ref. 1 picowatt) at 100% load and 114 dBA (ref. 1 picowatt)
at no load. The RPU generators also create a significant amount of noise (108 dBA ref. 1
picowatt) even when the diesel engine is not running. This noise is created by an electric
motor -driven flywheel. Because of the high noise levels generated by this equipment, all
Dz000Z
Abovenet
06/14/00
Page 2 of 5
11COUSTIC5.10C.
9 generators will be enclosed in three generator rooms (3 generators in each room)
located at the south end of the building.
The generators will require ventilation air for engine combustion and engine cooling.
Each generator room will have a 38 ft. by 10 ft. rectangular opening in the roof (10 feet
south of column line B) for fresh air intake and three 12 ft. by 12 ft. exhaust air openings
in the south wall. Sound attenuators will be provided in all intake and exhaust air
openings to contain the generator noise inside the generator room. The total airflow
requirement for each generator room (3 generators) is 290,487 intake CFM and 273,987
exhaust CFM with all units operating at full capacity (during a power failure). The
difference between intake and exhaust air represents the combustion air of the diesel
engines. During normal standby mode (with no engines running) the air flow
requirement (intake and exhaust) is only 60,524 CFM. During the routine engine testing
mode (which occurs once a month for approximately one to two hours for each of the
nine machines), there is only one engine running, so the air flow volume to that particular
generator room is 96,829 CFM intake and 91,329 CFM exhaust. When a generator
engine is running (e.g. during routine testing or during a power failure) the air flow is
induced by the radiator fan (one for each generator) connected to the generator. During
normal standby mode all of the radiators are OFF and the air flow is induced by 5 small
exhaust fans mounted in the south wall of each generator room, just above the radiator
fans. The small exhaust fans are Greenheck model SBE- 2L30 -20, which is a 30 inch
diameter sidewall propeller fan. Each fan rotates at 949 RPM and delivers 15,131 CFM
with an A- weighted sound power level of 90 dBA (ref. 1 picowatt).
In addition to the noise from the generators, engines, and ventilation fans, the noise from
the engine exhaust must also be considered. Noise data from the engine exhaust was
obtained from a previous Abovenet project using similar generators. The calculated
engine exhaust A- weighted sound power level from each engine is 93 dBA (ref. 1
picowatt) at full load with the specified muffler. In this project the engine exhaust will
pass through a large (45" diameter) reactive muffler located above the engine prior to
penetrating the south wall of the generator room and then the south wall of the building.
The exhaust pipe for each generator is 18 inches in diameter.
Noise data for all of the HVAC equipment (including the air - cooled chillers) was
obtained from the manufacturer in accordance with ARI Standard 370 and AMCA
Standard 300. The A- weighted sound power level of the various rooftop units ranges
from 70 to 99 dBA (ref. 1 picowatt). In general, the exhaust fans are the quietest, and the
largest (60 tons of cooling) A/C unit is the noisiest of the rooftop equipment. The total
A- weighted sound power level of all rooftop equipment combined is 105 dBA (ref. 1
picowatt).
The air- cooled chillers will be Trane model RTAA -400. A total of six will be provided,
but only five will run at once because one is a standby unit. Each of these 400 ton
chillers contains two screw compressors (100 tons each) and fourteen condenser fans (1.5
•
A
•
bovenet
06/14/00
Page 3 of 5
flC0USTICS.10C.
HP each). The condenser fans are 30 inches in diameter and rotate at 1140 RPM. The
total condenser air flow for each chiller is 268,920 CFM at full capacity. The overall A-
weighted sound power level of each chiller is 111 dBA (ref. 1 picowatt). The total A-
weighted sound power level of all five chillers operating simultaneously is 118 dBA (ref.
1 picowatt).
Noise Control Recommendations
The following noise control recommendations have been incorporated into the project
design:
1. Construct a CMU noise barrier wall surrounding the air - cooled chillers. The wall
must be 16 feet high, measured from the floor of the chiller yard. The top of the
chillers are 7 feet above grade, so the top of the noise barrier wall must be at least 9
feet above the top of the chillers.
2. Install acoustical panels on the inside surface of the chiller noise barrier wall (all four
sides). The acoustical panels shall be a continuous strip of panels that are 10 feet
high, extending from 3 feet above grade to 13 feet above grade (which is 3 feet below
the top of the noise barrier wall). The acoustical panels shall be equal to Empire M90
(see attached literature).
Install a continuous bank of sound attenuators at the roofline of the air intake opening
above each generator room. The sound attenuators shall be equal to Dynasonics
model LBB -36 or Commercial Acoustics model 3SP -LF. The attenuators shall be
mounted to completely seal the roof opening..
4. Install a bank of sound attenuators behind each radiator exhaust louver at the south
wall of each generator room. The sound attenuators shall be equal to Dynasonics
model LBB -36 or Commercial Acoustics model 3SP -LF. The attenuators shall be
mounted against the outside wall directly behind the exhaust louvers.
5. Provide a double wall assembly at the south wall of the generator rooms, creating a
minimum 6 foot wide plenum between the south wall of the generator room and the
south wall of the building. The Greenheck exhaust fans shall be mounted in the south
wall of the generator room, discharging air into the plenum, which is relieved to the
exterior via the sound attenuators. The south wall of the building and the south wall
of the generator room shall each have a construction that achieves a minimum STC
rating of 40. This can be achieved with metal studs (with the stud cavity filled with
fiberglass batt insulation) and a single layer of 5/8" gypsum board on each side.
6. Provide a minimum of 600 square feet of nominal 2" thick acoustical panels in each
generator room. The acoustical panels shall be equal to Empire M90 (see attached
literature), and they should be uniformly distributed over the walls of the generator
Abovenet
06/14/00
Page 4 of 5
OCO0ST1CS.10C.
room. It is my understanding that the ceiling of the generator rooms will be a
suspended acoustical ceiling similar to what you would normally find in an office
building. This ceiling should have a minimum NRC rating of 0.65.
7. Provide 2" thick acoustical plenum lining on the underside of the roof over the
generator air intake opening. This plenum lining should be equal to Knauf rigid
plenum liner (see attached literature), and it should be installed against the underside
of the roof with mechanical fasteners in accordance with manufacturer's
recommendations.
Predicted Noise Levels
The Abovenet site (Building #4) is surrounded on all sides by industrial property.
Equipment noise levels have been predicted at six different locations of interest, and
these are indicated on the site plan (Figure 1) by the circles with numbers inside. The
nearest property line is 20 feet from the east edge of the building. There are no major
exterior noise sources along the east 'edge of the building, but the chiller yard is located at
the northeast corner of the building. The chiller yard is a significant concern with the
property line (and an existing building marked as Position 1 in Figure 1) only 20 feetto
the east. Position 2 is also 20 feet east of the Abovenet building, but at the south end near
the generators. Position 3 is at the northwest corner of the site that is to be occupied by
Group Health, at the corner of 35th Avenue South and South 124th Street. There is an
adjacent building to the south (Building #5) and to the west (Building #3), but these
buildings are part of the same property (Intergate East), so there is no property line noise
criteria. The north face of Building #5 is included in the evaluation (Position #4) because
this building is closest to the Abovenet generators. There are also two buildings to the
north (Building #1 and Building #2), which are also part of Intergate East. The south
wall of Building #1 was selected for analysis because it is closest to the chiller yard.
Although there are no code requirements to meet specific noise levels at the other
Intergate East buildings (as there are no property lines), I have predicted noise levels at
these locations for general interest. The final position for evaluating Abovenet
equipment noise levels is Position #6, which is the closest residential property on the
west side of Highway 99 (Pacific Highway South). This position is approximately 1200
feet southwest of the Abovenet generators.
Table 1 presents the predicted A- weighted noise levels from all Abovenet equipment
(generators, chillers, and rooftop units) at each of the six receiver locations shown in
Figure 1, assuming the recommended noise control products and materials listed above.
As you can see, all of the predicted noise levels are less than the applicable noise criteria,
which is obtained by the Tukwila noise ordinance and the King County noise ordinance.
It is also interesting to note that the noise levels at Position #6 will meet the daytime
noise criteria of 60 dBA with a 10 dBA margin of safety. The predicted noise level at
Position #6 during normal standby operations is 48 dBA, which is 2 dBA below the
nighttime noise criteria of 50 dBA.
Abovenet
06/14/00
Page 5 of 5
Table 1. Predicted Noise Levels (dBA)
flC0UST1CS.IOC.
Position #
Normal Conditions
Testing Mode
Noise Criteria
1
69
69
70
2
56
68
70
3
53
65
70
4
58
70
N/A
5
58
58
N/A
6
48
50
60 (day), 50 (night)
You will also note that the predicted noise level at Position #1 is 69 dBA, which is only 1
dBA below the 70 dBA noise criteria. This is not a coincidence. The height of the noise
barrier wall was determined specifically to meet the noise ordinance at Position #1.
Figure 2 presents a graph summarizing the noise barrier height analysis for the air - cooled
chillers. This graph shows the predicted noise level at Position #1 as the height of the
noise barrier wall surrounding the chillers increases from 0 to 20 feet. Without a noise
barrier, the noise level at Position #1 would be about 88 dBA. The 16 ft. high noise
barrier (with acoustical panels on the inside surface) is the minimum required to meet the
noise ordinance.
I should also point out that Table 1 does not include predicted noise levels while all of the
generators are running at full load. This operating condition would only occur during an
actual power failure, and this equipment is not subject to the noise ordinance under this
condition.
Summary
Based on this study, the projected noise levels from all equipment serving the Abovenet
project (with the recommended acoustical treatment) will meet the noise criteria
presented in the Tukwila and King County noise ordinances. If you have any questions
regarding these findings, do not hesitate to give me a call.
Very truly yours,
JGL Acoustics, Inc.
,60-1 CO Nei
Jerry G. Lilly, P.E.
President
Member INCE, ASA, NCAC
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OCCUPANCY F
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OCCUPANCY $
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Abovenet
Site Plan with Noise Evaluation Locations
0
4
6/14/00
Fig. 1
Sound Pressure Level (dBA)
100
95
90
85
80
75
70
65
60
55
50
•
Abovenet
Figure 2. Air - Cooled Chiller Noise Barrier Analysis
(Trane RTAA -400)
0 0
0
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Noise Barrier Height (feet)
Noise level evaluated at Position # 1 with 5 chillers running at full Toad.
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13080,EMP
Buybne 6739
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EMPIRE
447
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PROVEN SOLUTIONS
FOR INDOOR AND OUTDOOR
NOISE CONTROL APPLICATIONS
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EMPIRE
ACOUSTICAL SYSTEMS
The need for more efficient noise
control products has never been
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Acoustical Systems (EAS) is
committed to provide architects,
builders, engineers, equipment
manufacturers and owners with
problem- solving products and
technical assistance to maximize
noise control in working and living
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Our cost - effective, light- weight,
i metal panels (reflective and
absorptive) are designed to meet
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problems. Maintaining the highest
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i systems are engineered for easy
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Environmental
Acoustical Panels
The Empire Acoustical Panel
provides a cost- effective solution to
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These noise control systems can be
utilized in a wide variety of indoor
and outdoor applications. including...
• Transportation noise control
(highway, rail and airport)
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- enclosures
• Reverberant noise control (wall
and ceiling panels)
• Work station /worker isolation
• Commercial office partitions
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(gymnasiums, pistol ranges,
outdoor theatres)
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Reflective Barrier
Cooling Tower
Silent Screen Panels
Silent Screen absorption panels are
designed to provide both sound
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loss. These panels consist of
individual sections, each 10- inches
or 12- inches wide, mounted
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consists of a 2- to 4 -inch deep, 16- ..
to 22 -gauge tray. Typically, the tray
is filled with six -pound density
mineral wool, and covered with a
perforated 24 -gauge face panel.
Some of the incident sound striking
the perforated side will pass
through the perforations and be
absorbed by the acoustical material,
and some will be reflected back in
the direction of the noise source.
The "remaining" sound, which is
transmitted through the barrier, will
be substantially reduced.
M -90 Absorptive Panel
The M -90 panel is designed for
wall- mounting indoor and outdoor
applications. The panel widths are
24- to 30- inches and 48- inches.
The panel thickness is 2- to fl-
inches and lengths vary up to 12
feet. The absorptive material is a
six -pound density mineral rock wool.
The M -90 panel has a sound
absorption value of NRC 1.0.
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VISTA Panels
When some degree of visibility is
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can incorporate a high strength
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Vista Panels
VISTA panels are easily combined
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Reflective Panels
Silent Screen Reflective Panels are
designed to provide sound
transmission loss only. The panels
consist of interlocking sections,
typically 12 inches wide, and can be
mounted horizontally or vertically.
Reflective panels provide a
lightweight, aesthetically pleasing
noise wall and acoustical barrier.
Acoustical Performance
There are two properties which are
used to measure the performance of
acoustical panels. Sound absorption
is the ability of a noise panel to
internally dissipate (as heat) incident
acoustical energy. This property is
measured in terms of a sound
absorption coefficient. The higher
the value of the coefficient, the more
M sound will be "absorbed," leaving
Tess to be transmitted or reflected.
Theoretically, a coefficient value of
1.0 indicates that all incident energy
is absorbed.
Sound transmission Toss is a
measure of the amount by which a
noise level is reduced as the noise
"passes through" a panel or
barrier. Transmission Toss is
measured in decibels, and a high
transmission Toss indicates that a
panel will be able to block
substantial amounts of noise.
EAS panels have been tested in an
independent acoustical laboratory.*
The results of these tests are
available on request. Typical
performance data for standard
panels is as follows:
TEST
PANEL
TYPE
ACOUSTICAL
RATING
SOUND TRANSMISSION LOSS
RAL -TL90 -352 Composite STC 39
Panel with
perforated
metal facing
SOUND ABSORPTION
RAL -A87 -370 Composite NRC 1.0
Panel with
perforated
metal facing
Sound transmission Toss tests were
performed in accordance with
ASTM -E90 and ASTM -E413. Sound
absorption tests were performed in
accordance with ASTM -C423 and
ASTM -E795.
'Riverbank Acoustical Laboratories
13080 /EMP
BuyLine 6739
Installation
One of the major advantages of the
EAS Silent Screen panels is their
ease of handling and assembly. In
contrast to many other acoustical
panels, which are fabricated in
heavy 2 -foot or 4 -foot widths, Silent
Screen panels are standard 10 -inch
and 12 -inch widths. These light-
weight sections can be easily
handled and installed by one or two
people without special tools:
Installation
Many installations do not require
fasteners between panel sections!
All necessary trim pieces and
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framing and girts can also be
designed and supplied, resulting in
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' Durability and Maintenance
All Empire Acoustical Panels can
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are protected. Many other
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are susceptible to early rusting.
EAS panels are designed to be
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installation. Spray painted graffiti
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Kynar® paint system.
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Color Coating
Panels can be supplied either
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• Acoustical panels may be
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owners's specification.
• Various paint systems can be
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siliconized polyester, powder
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Shopping Mall
OKynar is a registered trademark
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Litho in U.S.A.
Aesthetics
Oi.g.superior coating system is
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Colors can be specified to blend into
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Panels are supplied with all ancillary
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Highway Barrier
Absorptive panels can be specified
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Specifications
A complete set of suggested
product specifications for EAS
Silent Screen panels is available
on request.
Technical Assistance
EAS Acoustical Systems has
structural designers and engineers
available, and can provide a
turnkey project, including
installation, when requested.
We also have the resources to
provide acoustical testing and
evaluation. A preliminary acoustical
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treatment. Pre- and post - project
acoustical measurements can help
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Our technical staff is ready and
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EAS
acoustical
test at
Mansfield Lahm
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For Engineering Assistance
Call or. Write
llhllpijl111
EMPIRE
ACOUSTICAL SYSTEMS
the quiet solution
36744 Constitution Drive
Trinidad, Colorado 81082
(719) 846 -2300 phone
(719) 846 -7466 fax
1202 Lakeway Drive Suite 3
Austin, Texas 78734
(512) 261 -2200 phone
(512) 261 -2257 fax
EAS can also provide sound solutions where
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"M -90"
EMPIRE ACOUSTICAL SYSTEMS
SPECIFICATIONS
L DESCRIPTION
The work shall consist of sound absorptive, backless
panels to be fitted to an existing wall or barrier structure.
The panels and support mechanisms shall be in close
conformity with the cimensions and lines shown on
the plans and established by the engineer.
II. MATERIALS
Backless Sound Absorptive Panels
The panels shall be cold - formed steel conforming to
Structural Quality ASTM A-446, and galvanized in
accordance with ASTM A -525, Class G -90. Each panel
shall have a minimum cover width of 24 or 30 inches with
material thicknesses of 24 or 22 gauge.
The individual panel or cell is available in lengths up to 12',
nested within T. channel clips horizontally attached to the
existing wall or structure. The 'Z' channel shall be cold -
formed steel galvanized in accordance with ASTM -525,
Class G -90, with two 2' legs, 2 5/8' deep, punched with
9/16' diameter bolt holes on 24' centers. The panels and
Z channels may be galvanized or pre-coated for aesthetic
appeal.
Continuous Galvanized Perforated Face Panel
The M -90 is made of perforated cold - formed steel. The
panel contains 3/16' diameter perforations on a 3/8'
staggered pattern to be perforated prior to galvanizing.
This continuous operation ensures complete coverage on
the perforations' inside diameter and offers a galvanized
steel surface ready for continuous pre - coating where
applicable.
Fasteners
Typical fasteners shall be galvanized, self- drilling, hexagon
washer head screw. Fasteners may be color- coated to
match panels, or stainless steel as required.
111. ACOUSTICAL PROPERTIES
The sound absorbing panels shall have a Noise Reduction
Coefficient (NRC) of 1.1 when tested by an independent
laboratory in accordance with ASTM standard C423.
IV. CONSTRUCTION
The retro-fitted sound absorption panels shall be installed
vertically In accordance with engineering erection plan
details. The "Z" or 'J' channels shall be plumb and true,
aligned for either continuous appearance or staggered
and spaced per plans and details.
V. METHOD OF MEASUREMENT
Steel sound barrier walls shall be measured in square feet
of wall surface Installed
VI. ABSORPTIVE PROPERTIES
Sound absorbing panels shall have a mineral rock wool
sound absorbing batt between the perforated face and solid
bacidng panel. The rock wool is to be a minimum of 1/2'
from the surface of the perforated panel and shall fill the
panel cavity and be 2' thick h shall. be a minimum of
6 bs. per cu. ft. density and conform with Federal
Specifications HH-1-558B and ASTM standards C612 and
E136. The mineral rock wool sound absorbing material
shall absorb less than 1% of water, be noncorrosive, melt
above 2,000'F, have a flame spread 5 or Tess when tested
in accordance with ASTM standard E84, have a smoke
development of 0, be rated incombustible by ASTM
standard E136, be non - hygroscopic, and have a minimum
NRC of 1.1
When specified, the Empire Acoustical Panel may use
alternative absorptive materials such as fiberglass.
Li
36744 Constitution Drive'
Trinidad, Colorado 81082
(719) 846-2300 phone
(719) 846 -7466 fax
1202 Lakeway Drive Suite.3
Austin, Texas 78734
(512) 261-2200 phone
(512) 261 -2257 fax
2.5
EMPIRE ACOUSTICAL SYSTEMS
M-90 WALL MOUNTING
PANEL
24.0
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EMPIRE
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M -90 WALL MOUN'I1WG PANEL
DWG. 045 G.L.R
89 PARK AVENUE WEST
MANSFIELD, OHIO 44902
(419)522 -0800
5/16'- SH5624 U.S. ANCHOR
BOLTS PULLOUT 1740 AT 3500PS1
CONCRETE SHEAR 1460 AT 3500PSI
CONCRETE BOLTS 1/4' DIAMETER
BOLT HOLES 5/16'X 2 1/4' DEEP
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2'
1
*PANEL WIDTH =24 -30 INCHES
*PANEL LENGTH =UP TO 12 FEET
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2'
190 ACOUSTICAL
PANEL WALL
MOUNTING DETAIL
M90 PANEf' NOTES:
Z BRACKET =16 GAGE
STRUCTURAL QUALITY ASTM A -446 GALVANIZED
PANELS TO BE INSTALLED VERTICALLY TO
FOLLOW CONTOUR OF CONCRETE WALL
NO SHIMS OR SEALING COMPOUND
HORIZONTAL ALIGNMENT ± 1/4'/20 FEET
FOR METAL TO METAL FASTENING ZINC PLATED
STRUCTURAL SELF DRIWNG SCREWS WITH
WASHERS •0.1/4' -14 3/8' HEX HEAD
SOUND ABSORBING MATERIAL SHALL BE A MINERAL WOOL
BATT INSTALLED IN THE CAVITY OF THE PANEL AND BE 2'
THICK. THE MINERAL WOOL SHALL BE A MINIMUM OF 6LBS.
PER CUBIC FOOT `DENSITY AND CONFORM WITH FEDERAL
SPECIFICATION HH -1 -5588 AND ASTM STANDARDS C612 AND
E136.
NOT DRAWN TO SCALE
..411
EMPIRE
ACOUSTICAL SYSTEMS
Y -90 ACOUSTICAL PANEL
WALL MOUNTING DETAIL
dwg/ m90113 1 G.L.R •
89 PARK AVENUE WEST
MANSFIELD.OHIO 44902
(419)522 -0800
top steel member
WALL SECTION
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N
M O
ABSORPTION COEFFICIENT
1.3
1.2
1.1
1
. 9
.8
. 7
.6
.5
0 .4
Z
O .3
. 2
.1
•
•
RIVERBANK ACOUSTICAL LABORATORIES
EMPIRE ACOUSTICAL SYSTEMS
SOUND ABSORPTION REPORT
RAL -A90 -1
dm
•
•
1
dio
•
a U0 to a) CO ao LOC Let MK LOC RIM Mk
RI to aOf 115 m 1123 Lac L11 11W LOC LOC
FREQUENCY (Hz)
N R C • 1.1
TEST RESULTS
1/3 Octave Center Absorption
Center Frequency Coefficient
(►u)
Total Absorption
In Sabina
5 Of Uncertainty
Irith 952
Confidence Ltnit
100 0.21 14.96 0.79
•• 125 0.36 25.93 0.71
160 0.45 32.26 0.79
200 0.67 48.21 0.60
" 250 1.01 72.51 0.41
315 1.20 86.75 0.35
400 1.22 87.65 0.51
66 500 1.23 88.40 0.56
630 1.24 88.96 0.60
800 1.21 86.76 0.54
6• 1000 1.14 82.14 0.65
1250 1.11 79.66 0.55
1600 1.05 75.26 0.61
6• 2000 1.02 73.74 0.64
2500 0.92 66.31 0.68
3150 0.82 60.14 0.55
•• 4000 0.78 56.01 0.61
5000 0.74 53.26 0.63
NRC • 1.10
DESCRIPTION OF THE SPECIMEN
The test specimen was designated by the manufacturer as M -90 panels with sound
absorbing treatment. The overall dimensions of the specimen as measured were
2.44 m (96 in.) wide by 2.74 m (108 in.) long and 6.4 cm (2.5 in.) thick. The
specimen consisted of four units. Each unit was 61.0 cm (24 in.) wide by 2.74 m
(108 in.) long. The specimen was tested in the laboratory's 292 m3 (10,311 ft3)
test chamber. The description of the specimen was as follows: The specimen
consisted of four M -90 panels. Each panel was fabricated out of 0.76 mm (0.030
in.) thick, 22-ga minimum, painted steel. Each panel face had alternating
perforated and unperforated segments that ran the entire length. Each of the
five perforated segments were raised (fluted) nominally 15.9 mm (0.625 in.) and
measured 7.6 cm (3 in.) wide on the two ends and 3.9 cm (3.5 in.) wide at the
three intermediate locations. The combined perforated segments of each panel
covered nominally 40.6 cm (16 in.) of each 61.0 cm (24 in.) wide face. The
perforations were 4.8 mm (0.1875 in.) diameter holes spaced on 9.5 mm (0.375 in.)
centers. The perforations represented a 17% open area. The four unperforated
segments of each panel measured 5.1 cm (2 in.) wide. Each panel was fully lined
with 61.0 cm (24 in.) wide sections of 6 pcf, 5.1 cm (2 in.) thick mineral fiber
batt material, designated by the manufacturer as Delta Board. A visual
inspection verified the description of the specimen. The weight of the specimen
as measured was 72 kg (159 lbs) an average of 11 kg /m2 (2.2 lbs /ft ). The area
used in the calculations was 6.7 m2*(72 ft2). The room temperature at the time
of the test was 21 °C (70°F) and 59% relative humidity.
• •
Sound Attenuator NO 776-95
ENGINEERING DATA SHEET
Commercial Acoustics
5960 W. WASHINGTON STREET
PHOENIX, ARIZONA 85043
(602) 233-2322 FAX 233 -2033
A DMSION OF METAL FORM MANUFACTURING
MODEL SP -LF
RECTANGULAR
NOMENCLATURE EXAMPLE:
WIDTH HEIGHT LENGTH MODEL
24 24 36 SP -LF
Commercial Acoustics sound affenuators are engineered to achieve
a maximum insertion Toss and a minimum pressure drop. Commercial
Acoustics sound attenuators feature airfoil design for efficient
aerodynamic performance, as well as superior acoustical materials
and total galvanized steel construction, guaranteeing excellent
reliability and performance.
MODEL NO.
OCTAVE BANDS
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
CENTER FREQUENCY (Hz)
63
125
250
500
1000
2000
4000
8000
FACE VELOCITY FPM
DYNAMIC INSERTION LOSS IN DECIBELS
-1500
7
8
17
21
18
15
10
9
3SP-LF
-1000
6
8
17
20
18
14
11
10
0
6
7
16
19
16
14
11.
10
+1000
5
7
15
18
16
13
11
10
+1500
4
6
15
17
15
12
10
10
-1500
12
14
28
31
30
17
15
11
5SP-LF
-1 000
11
14
27
30
29
17
15
12
0
10
13
26
29
28
16
13
11
+1 000
9
12
24
28
27
16
12
11
+1500
8
12
23
27
26
17
12
12
-1500
14
19
33
44
43
22
16
13
7SP -LF
-1000
15
18
32
44
42
21
16
15
0
15
16
30
43
43
22
15
13
+1000
14
15
29
42
42
23
15
13
+1500
14
15
27
40
42
23
16
14
-1500
19
25
43
52
54
27
20
15
10SP -LF
-1000
18
24
42
52
54
28
22.
16
0
17
23
41
51
53
28
21
16
+1000
17
23
40
50
52
30
22
17
+1500
17
22
38
49
51
30
23
18
THIS TABLE CONTAINS BOTH FORWARD ( +) AND REVERSE ( -) ROW ACOUSTIC AND AERODYNAMIC RATINGS BASED ON COMPARATIVE TEST
RESULTS MEASURED IN ACCORDANCE WITH ASTM E477. COPIES OF CERTAIN TEST REPORTS CAN BE FURNISHED UPON REQUEST.
•
Sound Attenuator
•
RECTANGULAR MODEL SP -LF
ENGINEERING DATA
AIR FLOW RATING FOR THE 12 x 12 SIZE, SHADED, REPRESENTS BOTH CFM AND FACE. VELOCITY IN FPM. USE THIS TO GET THE RATING FOR
MULTIPLE MODULE SILENCERS.
MODEL
3SP -LF
0.04
0.07
0.10
5
0.13
0.15
0.17
Hz
0.20
0.26
0.32
0.44
0.59
0.73
55P -LF
0.04
0.07
0.10
0.14
0.16
. 0.18
0.21
0.27
0.33
0.46
0.62
0.77
7SP -LF
0.05
0.08
0.11
0.14
0.17
0.19
+1500
0.22
0.28
0.35
0.49
0.65
0.81
10SP -LF
0.05
0.09
0.12
46
0.16
0.19
0.22
42
0.25
0.32
0.40
0.56
0.74
0.92
SIZE
W x H
FACE
AREA
AIR FLOW IN CFM
46
45
36
28
10SP -LF
- 1500
54
53
55
56
57
60
6 x 12
0.50
227
297
354
402
438
465
500
569
630
743
858
959
6 x 24
1.00
454
594
707
804
875
930
1000
1138
1260
- 1485
1715
1917
6x36
1.50
681
891
1061
1206
1313
1395
1500
1707
1890
2228
2573
2876
'- 12 x 12 ..)
00 _ _
454
* 594 -
707.
`
804
875
930.
.•
1000
. 1138
1260
1485:
•'1715...
1917
12 x 24
2.00
908
1188
1414
1608
1750
1860
2000
2276
2520
2970
3430
3834
12 x 36
3.00
1362
1782
2121
2412
2625
2790
3000
3414
3780
4455
5145
5751
18 x12
1.50
681
891
1061
1206
1313
1395
1500
1707
1890
2228
2573
2876
18 x 18
2.25
1022
1337
1591
1809
1969
2093
2250
2561
2835
3341
3859
4313
18x30
3.75
1703
2228
2651
3015
3281
3488
3750
4268
4725
5569
6431
7189
18x36
4.50
2043
2673
3182
3618
3938
4185
4500
5121
5670
6683
7718
8627
18 x 48
6.00
2724
3564
4242
4824
5250
5580
6000
6828
7560
8910
10290
11502
24 x 24 .
4.00
1816
2376
2828
3216
3500
3720
4000
4552
5040
5940
6860
7668
24 x 36
6.00
2724
3564
4242
4824
5250
5580
6000
6828
7560
8910
10290
11502
24 x 48
8.00
3632
4752
5656
6432
7000
7440
8000
9104
10080
11880
13720
15336
30 x 24
5.00
2270
2970
3535
4020
4375
4650
5000
5690
6300
7425
8575
9585
30 x 36
7.50
3405
4455
5303
6030
6563
6975
7500
8535
9450
11138
12863
14378
30 x 48
10.00
4540
5940
7070
8040
8750
9300
10000
11380
12600
14850
17150
19170
36x36
9.00
4086
5346
6363
7236
7875
8370
9000
10242
11340
13365
15435
17253
36 x 42
10.50
4767
6237
7424
8442
9188
9765
10500
11949
13230
15593
18008
20129
36 x 48
12.00
5448
7128
8484
9648
10500
11160
12000
13656
15120
17820
20580
23004
STATIC PRESSURE LOSS In. we.
10.0
5.0
t.0
.9
.8
.7
.6
.5
.4
.3
.2
.1
i
10SP -LF -
7SP-LF -
5SP -LF -
3SP-LF -
500 1000
SILENCER FACE VELOCITY, FPM
2000
Air flow ratings shown include static regain. Therefore if silencers are
installed immediately before or after elbows, transitions, at the intake
or discharge of the system, or without duct, allowance to compen-
sate for such conditions must be included when calculating the
operating pressure loss thru the silencer. Failure to make allowance
for these conditions can add several velocity heads to the pressure
Toss of the system. All acoustic and aerodynamic performance
obtained on 24" x 24" cross section production units.
SELF - GENERATED SOUND POWER RATINGS (PWL)
dB re 10-12 WATTS
OCTAVE BAND
1
2
3
4
5
6
7
8
Hz
63
125
250
500
1000
2000
4000
8000
FACE
MODEL
VELOCITY
35P -LF
+1500
55
54
59
57
53
55
54
49
5SP -LF
+1000
46
35
38
37
42
38
28
22
7SP -LF
-1000
47
42
41
44
46
45
36
28
10SP -LF
- 1500
54
53
55
56
57
60
60
53
SELF - GENERATED SOUND RATINGS /FACE AREA ADJUSTMENT FACTORS
FACE AREA
.50 1 2 4 8 10 32 64 128
PWL ADJUSTMENT
FACTOR, dB
-9 -6 -3 0 +3 +6 +9 +12 +15
WE RESERVE THE RIGHT TO IMPROVE DESIGN AND SPECIFICATIONS AT ANY TIME. °COPYRIGHT, 1995
• SONATJ\F SILENCERS
MODEL LBB
Lower Band Attenuator
Dynasonic Systems Inc. SonaTrap Duct Silencers are acoustically engineered
with a unique aerodynamic design to attain a maximum of attenuation and a
minimum pressure drop. SonaTrap Duct Silencers feature high performance,
quality construction and low initial costs. Stabilized acoustical materials and
rugged galvanized steel assure you of top performance in your specifications.
This technical bulletin contains both forward ( +) and reverse ( -) flow duct
silencer acoustic ratings measured in accordance with ASTM E -447
standard method of testing duct silencers.
SILENCER
LENGTH
INCHES
OCTAVE BANDS
1
2
3
4
5
6
7
8
CENTER FREQUENCY HZ.
63
125
250
500
1000
2000
4000
8000
FACE VELOCITY FPM
DYNAMIC INSERTION LOSS IN DECIBELS
-2000
8
9
19
22
19
15
11
10
8
8
17
21
18
14
11
10
36
+1000
5
7
16
20
17
13
10
9
+2000
6
7
16
19
17
12
10
9
-2000
10
13
23
. 27
24
16
12
11
48
+1000
10
8
12
9
22
20
26
25
24
23
15
15
12
11
11
10
+2000
8
10
19
24
22
14
11
10
-2000
12
17
27
33
30
17
13
12
•
-1000
12
16
27
31
30
17
13
12
60
+1000
11
12
25
30
29
17
13
12
+2000
10
13
23
29
28
17
13
12
-2000
13
18
31
39
34
18
14
13
13
18
30
37
34
18
14
13
72
+1000
13
14
28
36
33
19
14
13
+2000
12
14
26
34
33
19
14
13
8 4-1000
-2000
+1000
15
15
15
20
20
17
35
34
32
45
43
42
39
39
38
20
20
21
15
16
15
14
15
14
+2000
14
16
29
40
38
21
16
14
9 6-1000
-2000
+1000
17
17
16
23
22
20
38
38
37
49
47
47
45
44
44
23
23
24
18
19
18
15
15
15
+2000
15
18
34
46
44
24
19
15
-2000
20
26
42 _
53
51
27
21
16
12 0
-1000
+1000
20
17
25
24
42
42
52
52
50
50
27
28
22
21
16
16
+2000
17
21
39
52
50
28
23
17
All acoustical performance and aerodynamic data is obtained from independent laboratory tests for the 3, 5, 7, and 10
foot silencers, the 4, 6, 8, and 9 foot acoustical performance data are based on comparative tests. Tests were
conducted on 24" x 24" production silencers.
DYNAS0NIC SYSTEMS INC.
11/97
A PC/ lsdestr/ss Comm),
• MODEL LBB •
AERODYNAMIC PERFORMANCE DATA
SIZE
• W x H
AREA
SQ. FT.
R CFM
`AI FLOW FM
6 x 12
.50 .
275
375
450
500
588
650
748
835
, 988
1180
1320
6 x 24
1.00
550
_
750
900
1000
1175
1300
1495
1670
1975
2360
2640 ~
6 x 36
1.50
825
1125
1350
1500
1763
1950
2243
2505
2963
3540
3960
7 -1/2 x 12
.63
347
473
567
630
740
819
942
1052
1244
1487
1663
7 -1/2 x 24
1.25
688
938
_ 1125
1250
1469
1625
1869
2088
2469
2950
3300
7 -1/2 x 36
1.88
1034
1410
1692
1880
2209
2444
2811
3140
3713
4437
4963
9 x 12
.75
413
563
675
750
881
975
1121
1253
1481
1770
1980
9 x 24
1.50
825
1125
1350
1500
1763
1950
2243
2505
2963
3540
3960
9 x 36
2.25
1238
1688
2025
2250
2644
2925
3364
3758
4444
5310
5940
12 x 12
1.00
550.
750
900
1000
1175
1300
1495.
1670.
1975
2360.
2640
12 x 18
1.50
825
1125
1350
1500
1763
1950
2243
2505
2963
3540
3960
15 x 12
1.25
688
938
425
1250
1469
1625
1869
2088
2469
2950
3300
15 x 18
1.88
1034
1410
1692
1880
2209
2444
2811
3140
3713
4437
4963
18 x 18
2.25
1238
1688
2025
2250
26.14
2925
3364
3758
4444
5310
5940
18 x 30
3.75
2063
2813
3375
3750
4406
4875
5606
6263
7406
8850
4900
18 x 36
4.50
2475
3375
4050
4500
5288
5850
6728
7515
8888
10620
11880
24 x 18
3.00
1650
2250
2700
3000
3525
3900
4485
5010
5925
7080
7920
24 x 24
4.00
2200
- 3000
3600
4000
4700
5200
5980
6680
7900
9440
10560
24 x 36
6.00
2300
4500
5400
6000
7050
7800
8970
10020
11850
14160
15840
24 x 48
8.00
4400
6000
7200
8000
9400
10400
11960
13360
15800
18880
21120
36 x 24
6.00
2300
4500
5400
6000
7050
7800
8970
10020
11850
14160
15040
36 x 36
9.00
4950
6750
8100
9000
10575
11700
13455
15030
17775
21240
23760
36 x 48
12.00
6660
9000
10800
12000
14100
15600 __
17940
20040
23700
28320
31680
LENGTH INCHES
STATIC PRESSURE LOSS IN INCHES "H20"
36
.05
.10
.15
.18
.25
.30
.40.
.50
.70
1.00
1.25
48
.05
.10
.15
.19
.26
.31
.41
.52
.72
1.03
1.29
60
.06
.11
.15
.19
.26
.32
.42
.53
.74
1.06
1.32
72
.06
.11
.16
.20
.27
.33
.45
.55
.76
1.08
1.34
84
.06
.11
.16
.20
.28
.34
.48
.56
.78
1.11
1.39
96
.07
.13
.18
.23
.30
.37
.49
.60
.84
1.19
1.49
120
.07
.13
.19
.23
.32
.39
.51
.64
.90
1.28
1.60
Airflow rating for the 12 x 12 size, shaded area, represents both CFM /Sq. Ft. and Face velocity in FPM. Use this to get rating for
multiple module silencers.
SELF GENERATED SOUND RATINGS
OCTAVE BANDS
5
2'
4
6
16:
32
64
HZ.
..
spnF I
T
ET 1FZIE:i
a .
+3
SELF NOISE POWER LEVEL IN DECIBELS
FACE
VELOCITY
FPM
- 2000
54
50
53
56
57
60
59
50
-1000
45
41
42
46
47
45
38
26
+1000
47
35
35
35
41
38
26
20
+2000
55
51
57
57
52
56
55
49
SELF GENERATED NOISE ADJUSTMENT FACTORS
FACE AREA
so. FT.
5
2'
4
6
16:
32
64
128
FACTT OR R d b
FAC
-9
-6
-3
0
+3
+6
+9
+12
+15
Sonatrap duct silencers are tested in accordance with
ASTM E-477 airflow test, downstream measurements
include "static regain ". If silencers are installed immediately
before or after elbows, transitions, at the intake or discharge
of the system or without a duct, allowance to compensate
for such conditions must be included when calculating the
operating pressure loss through the silencer. Failure to
make allowance for these conditions can add several
velocity heads to the pressure loss of the system.
STANDARD CONSTRUCTION
Outer Casing 22 Gauge Galvanized Steel.
Inner Baffles 24 Gauge Galvanized Perforated Steel.
Filler Material Fiberglass of sufficient density and packed under 5% compression.
Rated under UL test procedures 723.
Meets ASTM E136, C24, E119 and E84 burning characteristics. Meets NFPA 90A.
Flame Spread 15 Fuel Contribution 0 Smoke Developed 0
Silencer shall not fail structurally when subjected to a differential air pressure of 8" w.g. inside to outside.
Other material available. Contact factory.
Information is correct at time of printing. However we reserve the right to make changes without notice.
Dsi DYNASONIC SYSTEMS INC,
A PCI Ii/irfrlsr Comm),
2824 N. Sylvania Ave., Fort Worth, TX 76111
Phone: (817) 831-9679 , Fax: (817) 831.3110
Product
Data Sheet
Description
Applications
111KNAUF RIGID DUCT tilINER
FIBER GLASS
Rigid Duct Liner is a heavy density fiber glass board insulation made
from inorganic glass fibers bonded by a thermosetting resin. The base board
is amber with a black top layer of fiber glass and a blank overspray applied to
the airstream side to provide a smooth, tough finish.
Rigid Duct Liner is specifically designed as an interior insulation material
for plenums and sheet metal ducts in heating. ventilating and air conditioning
applications. 11 offers an optimum combination of efficient sound absorption, low
thermal conductivity. and minimal air surface friction characteristics for systems
operating at temperatures up to 250 °F (121 °C) and velocities up to 4,000 fpm
(1219 mom).
Benefits
and Features
Technical Data
•
ENERGY CONSERVATION. Knauf Rigid Duct Liner's low "K" factors (thermal
conductivity) offer excellent thermal resistance to heat loss through warm air
ducts and heat gain in cooling ducts. This results in better temperature control
and lower operating costs.
SOUND ABSORPTION. Fan and mechanical equipment noise and other duct -
transmitted sound energy such as cross -talk and air movements are greatly
reduced through the use of Knauf Rigid Duct Liner.
DURABILITY. Knauf Rigid Duct Liner is fire- resistant, non - corrosive, tough and
resilient. It will withstand damage from normal handling and shop abuse.
GENERAL PROPERTIES.
Service temperature range -up to + 250 °F (up to + 121 °C)
Air velocity (maximum) -4,000 fpm (1219 mpm)
Moisture absorption -below 0.5% by volume
SURFACE BURNING CHARACTERISTICS. (UL Classified) When tested in accord-
ance with ASTM E -84, UL 723 and NFPA -255, Knauf Rigid Duct Liner does not
exceed:
25 Flame spread
50 Smoke developed
THERMAL CONDUCTANCE 'C' AND RESISTANCE 'R'
Product
Thermal Conductance 'C'
at 75 °F (24 °C) Mean
Temperature
Thermal Resistance 'R'
at 75 °F (24 °C) Mean
Temperature
3.0 PCF 1"
.23
4.3
(48 kg /m3 x 25 mm)
(1.31 W /m2 °C)
m2 ?C)
3 PCF x 1" thickness
(48 kg /m3 x 25 mm)
.
(76
W
3.0 PCF 11/2"
.15
6.5
(48 kg /m3 x 38 mm)
(.87 W /m2 °C)
m2• °C
.36
.67
(1.15 W )
3.0 PCF 2"
.12
8.6
(48 kg /m3 x 51 mm)
(.65 W /mz °C)
m2 °C
.75
1.00
(1.51 W )
Conductance in accordance with ASTM C -177 in BTU /Ft2oF•Hr
Resistance in
Ft20F•Hr
BTU
SOUND ABSORPTION COEFFICIENTS.
Type
Y/3 Octave Band Center Frequency (cycles /sec.)
125
250
500
1000
2000
4000
NRC
3 PCF x 1" thickness
(48 kg /m3 x 25 mm)
.27
.52
.64
.88
1.01
.91
.75
3 PCF x 11/2" thickness
(48 kg /m3 x 38 mm)
.36
.67
.90
.96
1.00
.96
.90
3 PCF x 2 " thickness
(48 kg /m3 x 51 mm)
.49
.75
1.00
1.00
1.00
.95
.95
Coefficients determined on F -25 mounting in accordance to ASTM C- 423 -81a
test procedure.
Specification
Compliance
Forms
Available
•FRICTION LOSS CORRECTION FACTOR.•
The air friction correction factors for different velocities shown in the curve below
are to be applied to ASHRAE's chart for "friction loss of air in straight ducts of
galvanized sheet metal."
1.5
1.0
300 400 500 1000
(91) (121) (152) (304)
VELOCITY —FPM
(m /min)
Knauf Duct Liner meets the requirements of the following codes and
specifications:
NFPA 90A and NFPA 90B
Rigid Duct Liner
3PCF x 1'
(48 kg /m3 x 25 mm)
2000
(609)
3000 4000
(914) (1218)
TIMA Standard AHC -101*
HH- I -545B TYPE II*
( *Waiver required for sound absorption coefficients at 1000 Hz on 3 PCF x 1"
(48 kg /m3 x 25 mm) only)
Knauf Rigid Duct Liner is available in standard 24" x 48" (610 mm x 1220 mm)
board size of 1" (25 mm), 11/2" (38 mm) or 2" (51 mm) thickness. Rigid Duct Liner
is also available in non - standard sizes of 24" and 48" (610 mm and 1220 mm)
widths and 36" (915 mm), 72" (183 mm), 96" (244 mm) and 120" (3048 mm)
lengths at the minimum order quantity.
CI OF TUKWILA
Department of Community Development .
6300 Southcenter Boulevard, Tukwila, WA 98188
Telephone: (206) 431 -3670 FAX (206) 431 -3665
E-mail: tukplan@ci.tukwila.wa.us
SEPA
PLANNED
ACTION
FOR STAFF USE ONLY Sierra Type: P -PACT
Planner: (}f-ft Glary /Ei
File Number: 6 /1/,010
Application Complete (Date:
)
Project File Number:
Application Incomplete (Date:
)
1VIIC Planned Action EIS File Number: E96 -0034
Other File Numbers
NAME OF PROJECT/DEVELOPMENT: M1/0/6( � 414/k/ 7 , #iet l"l�tvr -
octavo Q1'.
LOCATION OF PROJECT/DEVELOPNENT: Give.street address or, if vacant, indicate lot(s), block and
subdivision, access street, and nearest intersection. LIST ALL TAX LOT NUMBERS.
M47 . (6 p? • / A m4-eg ,/tp- 09,141 filw 8/1f1/99
Quarter: Section: 1 Township: 2' N Range: t t
(This in .r• atiort may�e found op) our tat statement.)
11/4 7frN
DEVELOPMENT COORDLNATOR :
RECEIVED
CITY OF TUKWU n
KAY 2 3 2000
The individual who: PERMIT CENTER
• has decision making authority on behalf of the applicant in meetings with City staff,
• has full responsibility for identifying and satisfying all relevant and sometimes overlapping development
standards, and
• is the primary contact with the City, to whom all notices and reports will be sent.
Name:
JaNW W. GANG CIA'
Address: 11/1/0 I -Whin // 0A'i 0 , PWt wild V(l
Phone: 1ZO 1/11 FAX: � U` — c T U
Signature: .A41/4/2414 Date: /140
rgeV. frg'°7)
G:UPPH4.W. fNDUSEAPPLpfan1.Joc. 09/30199
STATE OF WASHINGTON
•
CITY OF TUKWILA
Department of Community Development
6300 Southcenter Boulevard Tukwila, WA
98188
Telephone: (206) 431 -3670 FAX (206) 431 -366
E -mail: tukplanOci.tukwila.wa.us '
AFFIDAVIT OF OWNERSHIP AND HOLD HARMLESS
PERMIISSION TO ENTER PROPERTY
ss
COUNTY OF KING
The undersigned being duly sworn and upon oath states as follows:
1. 1 am the current owner of the property which is the subject of this application.
2. All statements contained in the applications have been prepared by me or my agents and are true and correct to the best of my
knowledge.
3. The application is being submitted with my knowledge and consent.
4. Owner grants the City, its employees, agents engineers, contractors or other representatives the right to enter upon Owner's real
property located at 3433 South 120th Place, Tukwila, WA
for the purpose of application review, for the limited time necessary to complete that purpose.
5. Owner agrees to hold the City harmless for any loss or damage to persons or property occurring on the private property during the
City's entry upon the property unless the loss or damage is the result of the sole negligence of the City. .\
6. The City shall, at its discretion , cancel the application without refund of fees, if the applicant does not respond to specific
requests for items on the "Complete Application Checklist" within ninety (90) days.
7. Non - responsiveness to a Ciry information request for ninety (90) or more days, shall be cause to cancel the application(s) without
refund of fees.
EXECUTED at Seattle
(city),
WA (state), on May 8 , 2000
Laurent D. Poole
(Print Name)
12201 Tukwila International Blvd.
Seattle, WA 98168 -5121.
206/281 -8700
(Address)
(Phone Number)
(Signatu
On this day personally appeared before me Laurent D. Poole to me known to be the individual who
executed the foregoing instrument and acknowledged that li.dff signed the same as his/1R3{voluntary act and deed for the uses and
purposes mentioned therein.
SUBSCRIBED AND SWORN TO BEFORE ME 0I'i ' S 8th DAY OF May 2000
t
MARY A. HALL
STATE OF 0,,,r
-o.
}l? COMMISSION EXPIRES I2 -19 -01
NOTARY t,3L1C in and f• the State of Washington
residing at Seattle
My Commission expires on 12/19/01
G:UPPNAMLLNDUSEAPPIrylan1 l.doc, 1:/O&Y9
2
PLANNED ACTION INITIAL QUALIFICATIONS (TMC 21.04.152)
Please complete the following checklist to demonstrate that all significant adverse environmental
avoided or mitigated. Please respond on separate sheets as needed.
Applicant Responses:
A. BACKGROUND
1. Date Checklist prepared: Revised May 23, 2000
2. Proposed timing or schedule (including phasing, if applicable): Construction summer
through winter 2000.
3. Do you have any plans for future additions, expansion, or further activity related to or
connected with this proposal? If yes, explain. No
4. Do you know whether applications are pending for governmental approvals of other
proposals directly affecting the property covered by your proposal? If yes, explain. No
5. List any government approvals or permits that will be needed for your proposal. SEPA
Planned Action, TI permit for demolition /structural reinforcement, miscellaneous permit
and DOE approval for underground fuel storage tanks, building permit.
6. Give brief, complete description of your proposal, including the proposed uses and the
size of the project and site. There are several questions later in this checklist that ask
you to describe certain aspects of your proposal. You do not need to repeat those
answers on this page. Section E requires a complete description of the objectives and
altematives of your proposal and should not be summarized here. Tenant Improvement
to existing 115,000 square foot building converting from warehouse /manufacturing to
data center. Includes chiller and equipment yards, underground fuel storage tanks.
Upgrade building to Type V, 1 -hour construction. Addition of 1000 square feet for entry
vestibule and generator sound attenuators.
7. Location of the proposal. Give sufficient information for a person to understand the
precise location of your proposed project, including a street address, if any, and section,
township, and range, if known. If a proposal would occur over a range of area, provide
the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map,
and topographic map, if reasonably available. While you should submit any plans
required by the agency, you are not required to duplicate maps or detailed plans
submitted with any permit applications related to this checklist. 3433 South 120th Place,
(see attached drawings).
8. Does the proposal lie within an area designated on the City's Comprehensive Land Use
Policy Plan Map as environmentally sensitive? No
impacts have been clearly
Agency Comments:
B. ENVIRONMENTAL ELEMENTS
1. Earth
a. General description of the site (circle one
mountainous, other
rolling, hilly, steep slopes,
b. What is the steepest slope on the site (approximate percent slope)? Less than 1
cross- slope, impervious.
c. What general types of soils are found on the site (for example, day, sand, gravel,
peat, muck)? If you know the classification of agricultural soils, specify them and
note any prime farmland. Approximately 6 feet fill over soft sand /silt/peat, dense silt
sand approximately 30 feet down -- vanes.
d. Are there surface indications or history of unstable soils in the immediate vicinity? If
so, describe. No
e. Describe the purpose, type, and approximate quantities of any filling or grading
proposed. Indicate source of fill. Approximately 1800 cubic yards for fuel tanks.
Structural fill from approved site.
f. Could erosion occur as a result of clearing, construction, or use? If so, generally
describe. No
g.
About what percent of the site will be covered with impervious surfaces after project
construction (for example, asphalt or buildings)? Existing 99 + %, proposed 99 +%
h. Proposed measures to reduce or control erosion, or other impacts to the earth, if
any: Standard good practice of temporary erosion control, especially at storm
drains.
2. Air
a. What types of emissions to the air would result from the proposal (i.e., dust,
automobile odors, industrial wood smoke) during construction and when the project
is completed? If any, generally describe and give approximate quantities if known.
Normal construction noise, dust and odors. When completed, periodically test each
of the diesel generators. Seven (7) generators running during emergency operation.
b. Are there any off -site sources of emissions or odor that may affect your proposal? If
so, generally describe. No
c. Proposed measures to reduce or control emissions or other impacts to air, if any:
Ongoing maintenance program for generators
• •
3. Water
a. Surface
1) Is there any surface water body on or in the immediate vicinity of the site
(including year -round and seasonal streams, saltwater, lakes, ponds,
wetlands)? If yes, describe type and provide names. if appropriate, state
what stream or river it flows into. No. Riverton Creek approximately 400 feet
away on west side of Bldg 3 (Revised 5/23/001
2) Will the project require any work over, in, or adjacent to (within 200 feet) the
described waters? If yes, please describe and attach available plans. No
3) Estimate the amount of fill and dredge material that would be placed in or
removed from surface water or wetlands and indicate the area of the site that
would be affected. Indicate the source of fill material. N/A
4) Will the proposal require surface water withdrawals or diversions? Give
general description, purpose, and approximate quantities, if known. Existing
site storm drainage system has no detention system due to proximity to river.
System does have three (3) oil water seperators onsite. (Revised 5/23/00).
5) Does the proposal lie within a 100 -year floodplain? If so, note location on the
site plan. No
Does the proposal involve any discharges of waste materials to surface
waters? If so, describe the type of waste and anticipated volume of
discharge. No
b. Ground:
1) Will ground water be withdrawn, or will water be discharged to ground water?
Give general description, purpose, and approximate quantities, if known. No
2) Describe waste materials that will be discharged into the ground from septic
tanks or other sources, if any (for example: Domestic sewage; industrial,
containing the following chemicals...; agriculture; etc.) Describe the general
size of the system, the number of such systems, the number of houses to be
served (if applicable), or the number of animals or humans the system(s) are
expected to serve. N/A
c. Water Runoff (including storm water):
1) Describe the source of runoff (including storm water) and method of collection
and disposal, if any (include quantities, if known). Where will this water flow?
Will this water flow into other waters? If so, describe. Existing storm water
drainage /detention system. Quanitities will not change. Water eventually
drains into Riverton Creek and then into the Duwamish River.
2) Could waste materials enter ground or surface waters? If so, generally
describe. Potential oil from vehicles. Existing storm drainage system has oil -
water separators.
-3-
•
•
d. Proposed measures to reduce or control surface, ground, and runoff water impacts,
if any: None. Existing sytems
4. Plants
a. Check or circle types of vegetation found on the site:
❑ Deciduous Tree:: , -r, Mapl- Aspen, Other
® Evergreen Tre: Ce.ar, Pine, Other
• Shrubs
❑ Grass
❑ Pasture
❑ Crop Or Grain
❑ Wet Soil Plants: Cattail, Buttercup, Bullrush, Skunk Cabbage, Other
❑ Water Plants: Water Lily, Eelgrass, Milfoil, Other
❑ Other Types Of Vegetation
b. What kind and amount of vegetation will be removed or altered? Minor modification
to existing landscape and irrigations systems.
c. List threatened or endangered species known to be on or near the site. Salmon in
Riverton Creek, approximately 500 feet to west.
d. Proposed landscaping, use of native plants, or other measures to preserve or
enhance vegetation on the site, if any: Landscape islands at parking.
5. Animals
a. Circle any birds and animals which have been observed on or near the site or are
known to be on or near the site:
birds
heron, eagle, songbirds, other:
mammals: deer, bear, elk, beaver,
fish: bass
tter in Riverton Creek.
trout, herring, shellfish, other
b. List any threatened or endangered species known to be on or near the site. Salmon
c. Is the site part of a migration route? If so, explain. No
d. Proposed measures to preserve or enhance wildlife, if any: None on site
6. Energy and Natural Resources
a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to
meet the completed project's energy needs? Describe whether it will be used for
heating, manufacturing, etc. Electric and natural gas. Electric for cooling data
center, gas for humidification.
b. Would your project affect the potential use of solar energy by adjacent properties? If
so, generally describe. No
- 4 -
• •
c. What kinds of energy conservation features are included in the plans of this
proposal? List other proposed measures to reduce or control energy impacts, if any:
Design to Washington State Non - Residential Energy Code.
7. Environmental Health
a. Are there any environmental health hazards, including exposure to toxic chemicals,
risk of fire and explosion, spill, or hazardous waste, that could occur as a result of
this proposal? If so, describe. Underground fuel storage tanks - 2 at 30,000 gal /ea.
#2 diesel fuel.
1) Describe special emergency services that might be required. Standard
emergency services.
2) Proposed measures to reduce or control environmental health hazards, if any:
Fuel tanks, pumps, and distribution lines to meet all DOE and City of Tukwila
requirements. Tanks to be double - walled steel inside and fiberglass outer
wall. Leak detection at double wall of tank and all double wall piping.
(Revised 5/23/00).
b. Noise
1) What types of noise exist in the area which may affect your project (for
example: traffic, equipment, operation, other)? None
2) What types and levels of noise would be created by or associated with the
project on a short-term or a long -term basis (for example: traffic, construction,
operation, other)? Indicate what hours noise would come from the site.
Construction noise approximately 7:OOam to 9:OOpm. Operational noise from
chillers 24 hours a day and generators periodic testing and emergency use.
3) Proposed measures to reduce or control noise impacts, if any: Noise
mitigated to meet City of Tukwila Noise Ordinance requirements. See
Attachment A by JGL Acoustics.
8. Land and Shoreline Use
a. What is the current use of the site and adjacent properties? Industrial
manufacturing, truck repair and storage.
b. Has the site been used for agriculture? If so, describe. Unknown
c. Describe any structures on the site. Existing 115,000 square foot, one -story
building. Five (5) other buildings adjacent, but not part of this proposal.
d. Will any structures be demolished? If so, what? Small pump room. Will be built to
current codes.
e. What is the current zoning classification of the site? MIC /H
f. What is the current comprehensive plan designation of the site? MIC /H.
Processing /Industrial on MIC Implementation Plan.
-5-
g.
• •
If applicable, what is the current shoreline master program designation of the site?
N/A
h. Has any pan4 of the site been classified as an "environmentally sensitive" area? If
so, specify. No
i. Approximately how many people would reside or work in the completed project?
Maximum 30 employees and 30 customers. See Attachment B, letter from
AboveNet Communications dated May 5, 2000.
J•
Approximately how many people would the completed project displace? None
k. Proposed measures to avoid or reduce displacement impacts, if any: N/A
I. Proposed measures to ensure the proposal is compatible with existing and projected
land uses and plans, if any: Proposal is compatible per March 30, 2000 City of
Tukwila Pre - Application Meeting.
Housing
a. Approximately how many units would be provided, if any? Indicate whether high,
middle, or low- income housing? N/A
b. Approximately how many units, if any, would be eliminated? Indicate whether high,
middle, or low- income housing. N/A
c. Proposed measures to reduce or control housing impacts, if any: N/A
10 Aesthetics
a. What is the tallest height of any proposed structure(s), not including antennas; what
is the principal exterior building material(s) proposed? Building height approximately
26 feet -6 inches (existing). Ventilation penthouse approximately 36 feet. Existing
building tilt -up concrete walls. Walls around equipment yard to be CMU.
b. What views in the immediate vicinity would be altered or obstructed? None
c. Proposed measures to reduce or control aesthetic impacts, if any: None
11. Light and Glare
a. What type of light or glare will the proposal produce? What time of day would it
mainly occur? Existing site lighting. Nighttime.
b. Could light or glare from the finished project be a safety hazard or interfere with
views? No
c. What existing off -site sources of light or glare may affect your proposal? No
d. Proposed measures to reduce or control light and glare impacts, if any: None
• •
12. Recreation
a. What designed and informal recreational opportunities are in the immediate vicinity?
Walking trail by river 1/4 mile away.
b. Would the proposed project displace any existing recreational uses? If so, describe.
No
c. Proposed measures to reduce or control impacts on recreation, including recreation
opportunities to be provided by the project or applicant, if any: None
13. Historic and Cultural Preservation
a. Are there any places or objects listed on, or proposed for, national, state, or local
preservation registers known to be on or next to the site? If so, generally describe.
No
b. Generally describe any landmarks or evidence of historic, archaeological, scientific,
or cultural importance known to be on or next to the site. None
c. Proposed measures to reduce or control impacts, if any: N/A
14 Transportation
a. Identify public streets and highways serving the site, and describe proposed access
to the existing street system. Show on site plans, if any. South 124th Street
b. Is the site currently served by public transit? If not, what is the approximate distance
to the nearest transit stop? No. Approximately 800 feet to nearest transit stop.
c. How many parking spaces would the completed project have? How many would the
project eliminate? 60 spaces. None eliminated, only relocated.
d. Will the proposal require any new roads or streets, or improvements to existing
roads or streets, not including driveways? If so, generally describe (indicate whether
public or private). Modify fire lane at southeast comer of site (private road).
e. Will the project use (or occur in the immediate vicinity of) water, rail, or air
transportation? If so, generally describe. No
f. How many vehicular trips per day would be generated by the completed project? If
known, indicate when peak volumes would occur. Unknown
g.
Proposed measures to reduce or control transportation impacts, if any: None
15. Public Services
a. Would the project result in an increased need for public services (for example: fire
protection, police protection, health care, schools, other)? If so, generally describe.
No
b. Proposed measures to reduce or control direct impacts on public services, if any.
Advanced smoke detection system will reduce number of false alarms.
16. Utilities
a. Circle utilities currently available at the site:
electricity, natural gas, water, refuse service, telephone, sanitary sewer,
septic system, other Electric - Seattle City Light; Gas - Puget Energy; Water -
Water District 125; Sanitary Sewer - ValVue Sewer District; Telephone - US West
plus 6 new providers.
b. Describe the utilities that are proposed for the project, the utility providing the
service, and the general construction activities on the site or in the immediate vicinity
which might be needed. Electrical and fiber optics upgraded on total site (all six
buildings) by Owner.
C. Signature
The above answers are t - • ;41 to the best of my knowledge. I understand that the
lead agency is relying on • / : s • e
9
Si nature: f� A Date Submitted:
_
Nora Gierloff: Above Net Planned Actio
From: Nora Gierloff
To: Internet:johnl @sabey.com
Date: 5/18/00 9:19AM
Subject: Above Net Planned Action
Hi John,
Page 1
I have received three comments on your checklist. Please revise to address these issues:
Environmental Elements
Water, Surface
Please mention the proximity to Riverton Creek.
Water, Runoff
Please provide information to PW on the size and location of the existing detention system and oil /water
separators.
Environmental Health
All underground tanks must be double walled with monitoring systems.
I will get any additional comments to you by Monday, you may resubmit as soon after that as you are
ready.
Nora
CC:
Michael Cusick; Mike Alderson
Zoning: •
Slope Class: Streams: Wetlands:
Associated Permits:N
Gross Area of Lot:
Building SqFt: Fee (Y /N):Y 550.00
No. of Stories: Other Fee ($): .00
TOTAL FEE: 550.00
F7= Update, F2= Previous Line, F1= Screen Index, ESC = Cancel Update
• •
TO: Nora Gierloff
FROM: Mike Cusick
PROJECT: Above Net
E2000 -010
MEMO
5\f
SEPA Comments for Above Net
Under environmental elements Section 3, Water, Part A, Surface, is there any
surface water on or in the immediate vicinity of the site? What about Riverton
Creek "running through the site?
Part C, Water Runoff, (including storm water), the checklist states the site has an
existing detention system and oil /water system. Please provide information to
the Tukwila Public Works Department on the size and location of the existing
detention system and oil /water separators.
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Township 23 North, Range 4 East, Willamette Meridian
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TO: WELLS FARGO BANK, NATIONAL ASSOCIATION
9ABE'i CORPORATION
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TRANSNATION TITLE INSURANCE COMPANY
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