116604.HWY28085NCAP162469.JxReport.092820Compliance Statement
Based on information provided by Verizon, predictive modeling, and site measurements, the HWY 280 85
NCA-P-162469 installation proposed by Verizon will be compliant with Radiofrequency Radiation Exposure
Limits of 47 C.F.R. §§ 1.1307(b)(3) and 1.1310. The proposed operation will not expose members of the
General Public to hazardous levels of RF energy at ground level or in adjacent buildings. As site measured
values and predicted RF power densities will not exceed the FCC General Population limits, no mitigation
action is needed to achieve or maintain compliance.
Certification
I, David H. Kiser, am the reviewer and approver of this
report and am fully aware of and familiar with the Rules
and Regulations of both the Federal Communications
Commissions (FCC) and the Occupational Safety and
Health Administration (OSHA) with regard to Human
Exposure to Radio Frequency Radiation, specifically in
accordance with FCC’s OET Bulletin 65. I have
reviewed this Radio Frequency Exposure Assessment
report and believe it to be both true and accurate to the
best of my knowledge.
General Summary
The compliance framework is derived from the Federal Communications Commission (FCC) Rules and
Regulations for preventing human exposure in excess of the applicable Maximum Permissible Exposure
(“MPE”) limits. At any location at this site, the power density resulting from each transmitter may be expressed
as a percentage of the frequency-specific limits and added to determine if 100% of the exposure limit has been
exceeded. The FCC Rules define two tiers of permissible exposure differentiated by the situation in which the
exposure takes place and/or the status of the individuals who are subject to exposure. General Population /
Uncontrolled exposure limits apply to those situations in which persons may not be aware of the presence of
electromagnetic energy, where exposure is not employment-related, or where persons cannot exercise control
over their exposure. Occupational / Controlled exposure limits apply to situations in which persons are exposed
as a consequence of their employment, have been made fully aware of the potential for exposure, and can
exercise control over their exposure. Based on the criteria for these classifications, the FCC General
Population limit is considered to be a level that is safe for continuous exposure time. The FCC General
Population limit is 5 times more restrictive than the Occupational limits.
Radio Frequency Emissions Compliance Report For Verizon
Site Name: HWY 280 85 NCA-P-162469 Site Structure Type: Monopole
Address: 10655 Mary Avenue Latitude: 37.332442
Cupertino, CA 95014 Longitude: -122.051072
Report Date: September 28, 2020 Project: Modification
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7430 New Technology Way, Suite 150 Frederick, Maryland 21703 (703) 596-1022 Phone www.waterfordconsultants.com
Table 1: FCC Limits
Frequency
(MHz)
Limits for General Population/ Uncontrolled Exposure Limits for Occupational/ Controlled Exposure
Power Density
(mW/cm2)
Averaging Time
(minutes)
Power Density
(mW/cm2)
Averaging Time
(minutes)
30-300 0.2 30 1 6
300-1500 f/1500 30 f/300 6
1500-100,000 1.0 30 5.0 6
f=Frequency (MHz)
In situations where the predicted MPE exceeds the General Population threshold in an accessible area as a
result of emissions from multiple transmitters, FCC licensees that contribute greater than 5% of the aggregate
MPE share responsibility for mitigation.
Based on the computational guidelines set forth in FCC OET Bulletin 65, Waterford Consultants, LLC has
developed software to predict the overall Maximum Permissible Exposure possible at any location given the
spatial orientation and operating parameters of multiple RF sources. The power density in the Far Field of an
RF source is specified by OET-65 Equation 5 as follows:
!= !"#$
%⋅'⋅#! (mW/cm()
where EIRP is the Effective Radiated Power relative to an isotropic antenna and R is the distance between
the antenna and point of study. Additionally, consideration is given to the manufacturers’ horizontal and
vertical antenna patterns as well as radiation reflection. At any location, the predicted power density in the
Far Field is the spatial average of points within a 0 to 6-foot vertical profile that a person would occupy. Near
field power density is based on OET-65 Equation 20 stated as
!=*180
.)*
/⋅100 ⋅1+,
2 ⋅3 ⋅ℎ (mW/cm()
where Pin is the power input to the antenna, qBW is the horizontal pattern beamwidth and h is the aperture
length.
These theoretical results represent worst-case predictions as all RF emitters are assumed to be operating at
100% duty cycle.
For any area in excess of 100% General Population MPE, access controls with appropriate RF alerting signage
must be put in place and maintained to restrict access to authorized personnel. Signage must be posted to be
visible upon approach from any direction to provide notification of potential conditions within these areas.
Subject to other site security requirements, occupational personnel should be trained in RF safety and
equipped with personal protective equipment (e.g. RF personal monitor) designed for safe work in the vicinity
of RF emitters. Controls such as physical barriers to entry imposed by locked doors, hatches and ladders or
other access control mechanisms may be supplemented by alarms that alert the individual and notify site
management of a breach in access control. Waterford Consultants, LLC recommends that any work activity
in these designated areas or in front of any transmitting antennas be coordinated with all wireless tenants.
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7430 New Technology Way, Suite 150 Frederick, Maryland 21703 (703) 596-1022 Phone www.waterfordconsultants.com
Analysis
Waterford Consultants, LLC field personnel visited the site on September 23, 2020 during business hours and
collected data with regard to the RF environment. All accessible areas of the site were inspected.
Measurement collection was performed using Narda Radiation meter NBM 550 and broadband probe EA-5091
(300 kHz to 50 GHz) and was consistent with FCC and Narda procedures, regarding the location of the probe
to the RF source and making slow sweeping motions over the area that a person would occupy. Power density
values were recorded as a percentage of the FCC Occupational limits. In using this broadband instrument, the
results represent the cumulative contributions of all RF sources at the measurement locations. The maximum
cumulative power density reading was 0.92% of the FCC Occupational limits (4.6105% of the General
Population limits). Measurement locations and tabulated results are presented in Appendix B.
Verizon proposes the following installation at this location:
• REMOVE (1) ANTENNA MOUNT
• INSTALL (9) ANTENNAS
• INSTALL (3) INTEGRATED RRHs
The antennas are mounted on a 50-foot Monopole with centerlines 48 & 46 feet above ground level. Proposed
antenna operating parameters are listed in Appendix A. Other appurtenances such as GPS antennas, RRUs
and hybrid cable below the antennas are not sources of RF emissions. Panel antennas have been installed
at this site by other wireless operators. Operating parameters for these antennas considered in this analysis
are also listed in Appendix A.
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7430 New Technology Way, Suite 150 Frederick, Maryland 21703 (703) 596-1022 Phone www.waterfordconsultants.com
Figure 1: Antenna Locations
Power density decreases significantly with distance from any antenna. The panel-type antennas to be
employed at this site are highly directional by design and the orientation in azimuth and mounting elevation,
as documented, serves to reduce the potential to exceed MPE limits at any location other than directly in front
of the antennas. For accessible areas at ground level, the maximum predicted power density level resulting
from all Verizon operations is 6.189% of the FCC General Population limits. Based on the operating
parameters in Appendix A, the cumulative power density level at this location from all antennas is 6.3751% of
the FCC General Population limits. Incident at adjacent buildings depicted in Figure 1, the maximum predicted
power density level resulting from all Verizon operations is 9.4479% of the FCC General Population limits.
Based on the operating parameters in Appendix A, the cumulative power density level at this location from all
antennas is 9.6841% of the FCC General Population limits. The proposed operation will not expose members
of the General Public to hazardous levels of RF energy at ground level or in adjacent buildings. As predicted
RF power densities will not exceed the FCC General Population limits, no mitigation action is needed to achieve
or maintain compliance.
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7430 New Technology Way, Suite 150 Frederick, Maryland 21703 (703) 596-1022 Phone www.waterfordconsultants.com
Appendix A: Operating Parameters Considered in this Analysis
Antenna #: Carrier: Manufacturer Pattern: Band:
Mech
Az
(deg):
Mech
DT
(deg):
H BW
(deg):
Length
(ft):
TPO
(W): Channels:
Loss
(dB):
Gain
(dBd):
ERP
(W):
EIRP
(W):
Rad
Center
(ft):
1 Verizon COMMSCOPE Panel < 6 GHz Licensed 40 0 68 6.1 40 4 0 12.31 2723 4468 48
1 Verizon COMMSCOPE Panel < 6 GHz Licensed 40 0 66 6.1 40 4 0 12.67 2959 4854 48
2 Verizon COMMSCOPE Panel < 6 GHz Licensed 40 0 66 6.1 20 8 0 12.67 2959 4854 48
3 Verizon COMMSCOPE Panel < 6 GHz Licensed 40 0 66 6.1 40 4 0 15.97 6326 10378 48
4 Verizon COMMSCOPE Panel < 6 GHz Licensed 40 0 63 6.1 40 4 0 16.6 7313 11998 48
5 Verizon ERICSSON Panel > 6 GHz Licensed 40 0 4 1.7 0.5 1 0 26.01 193 316 46
6 Verizon COMMSCOPE Panel < 6 GHz Licensed 160 0 68 6.1 40 4 0 12.31 2723 4468 48
6 Verizon COMMSCOPE Panel < 6 GHz Licensed 160 0 66 6.1 40 4 0 12.67 2959 4854 48
7 Verizon COMMSCOPE Panel < 6 GHz Licensed 160 0 66 6.1 20 8 0 12.67 2959 4854 48
8 Verizon COMMSCOPE Panel < 6 GHz Licensed 160 0 66 6.1 40 4 0 15.87 6182 10142 48
9 Verizon COMMSCOPE Panel < 6 GHz Licensed 160 0 63 6.1 40 4 0 16.59 7297 11971 48
10 Verizon ERICSSON Panel > 6 GHz Licensed 160 0 4 1.7 0.5 1 0 26.01 193 316 46
11 Verizon COMMSCOPE Panel < 6 GHz Licensed 280 0 68 6.1 40 4 0 12.31 2723 4468 48
11 Verizon COMMSCOPE Panel < 6 GHz Licensed 280 0 66 6.1 40 4 0 12.67 2959 4854 48
12 Verizon COMMSCOPE Panel < 6 GHz Licensed 280 0 66 6.1 20 8 0 12.67 2959 4854 48
13 Verizon COMMSCOPE Panel < 6 GHz Licensed 280 0 66 6.1 40 4 0 15.87 6182 10142 48
14 Verizon COMMSCOPE Panel < 6 GHz Licensed 280 0 63 6.1 40 4 0 16.59 7297 11971 48
15 Verizon ERICSSON Panel > 6 GHz Licensed 280 0 4 1.7 0.5 1 0 26.01 193 316 46
16 AT&T COMMSCOPE Panel < 6 GHz Licensed 0 0 48 4 30 2 0 12.5 1067 1750 47
16 AT&T COMMSCOPE Panel < 6 GHz Licensed 0 0 43 4 40 1 0 13.8 960 1574 47
17 AT&T COMMSCOPE Panel < 6 GHz Licensed 0 0 43 4 60 2 0 13.8 2879 4723 47
17 AT&T COMMSCOPE Panel < 6 GHz Licensed 0 0 42 6 40 4 0 17.8 9641 15817 47
18 AT&T COMMSCOPE Panel < 6 GHz Licensed 0 0 42 6 40 4 0 18.2 10571 17343 47
18 AT&T COMMSCOPE Panel < 6 GHz Licensed 0 0 39 6 25 4 0 18.4 6918 11350 47
19 AT&T COMMSCOPE Panel < 6 GHz Licensed 120 0 48 4 30 2 0 12.5 1067 1750 47
19 AT&T COMMSCOPE Panel < 6 GHz Licensed 120 0 43 4 40 1 0 13.8 960 1574 47
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7430 New Technology Way, Suite 150 Frederick, Maryland 21703 (703) 596-1022 Phone www.waterfordconsultants.com
Antenna #: Carrier: Manufacturer Pattern: Band:
Mech
Az
(deg):
Mech
DT
(deg):
H BW
(deg):
Length
(ft):
TPO
(W): Channels:
Loss
(dB):
Gain
(dBd):
ERP
(W):
EIRP
(W):
Rad
Center
(ft):
20 AT&T COMMSCOPE Panel < 6 GHz Licensed 120 0 43 4 60 2 0 13.8 2879 4723 47
20 AT&T COMMSCOPE Panel < 6 GHz Licensed 120 0 42 6 40 4 0 17.8 9641 15817 47
21 AT&T COMMSCOPE Panel < 6 GHz Licensed 120 0 42 6 40 4 0 18.2 10571 17343 47
21 AT&T COMMSCOPE Panel < 6 GHz Licensed 120 0 39 6 25 4 0 18.4 6918 11350 47
22 AT&T COMMSCOPE Panel < 6 GHz Licensed 240 0 48 4 30 2 0 12.5 1067 1750 47
22 AT&T COMMSCOPE Panel < 6 GHz Licensed 240 0 43 4 40 1 0 13.8 960 1574 47
23 AT&T COMMSCOPE Panel < 6 GHz Licensed 240 0 43 4 60 2 0 13.8 2879 4723 47
23 AT&T COMMSCOPE Panel < 6 GHz Licensed 240 0 42 6 40 4 0 17.8 9641 15817 47
24 AT&T COMMSCOPE Panel < 6 GHz Licensed 240 0 42 6 40 4 0 18.2 10571 17343 47
24 AT&T COMMSCOPE Panel < 6 GHz Licensed 240 0 39 6 25 4 0 18.4 6918 11350 47
25 T-Mobile COMMSCOPE Panel < 6 GHz Licensed 0 0 60 8 30 4 0 13.6 2749 4510 47
26 T-Mobile AMPHENOL Panel < 6 GHz Licensed 0 0 36 6.1 30 2 0 13.7 1407 2308 47
26 T-Mobile AMPHENOL Panel < 6 GHz Licensed 0 0 33 6.1 40 2 0 16.4 3492 5729 47
26 T-Mobile AMPHENOL Panel < 6 GHz Licensed 0 0 34 6.1 40 2 0 16.7 3742 6139 47
27 T-Mobile COMMSCOPE Panel < 6 GHz Licensed 120 0 60 8 30 4 0 13.6 2749 4510 47
28 T-Mobile AMPHENOL Panel < 6 GHz Licensed 120 0 36 6.1 30 2 0 13.7 1407 2308 47
28 T-Mobile AMPHENOL Panel < 6 GHz Licensed 120 0 33 6.1 40 2 0 16.4 3492 5729 47
28 T-Mobile AMPHENOL Panel < 6 GHz Licensed 120 0 34 6.1 40 2 0 16.7 3742 6139 47
29 T-Mobile COMMSCOPE Panel < 6 GHz Licensed 240 0 60 8 30 4 0 13.6 2749 4510 47
30 T-Mobile AMPHENOL Panel < 6 GHz Licensed 240 0 36 6.1 30 2 0 13.7 1407 2308 47
30 T-Mobile AMPHENOL Panel < 6 GHz Licensed 240 0 33 6.1 40 2 0 16.4 3492 5729 47
30 T-Mobile AMPHENOL Panel < 6 GHz Licensed 240 0 34 6.1 40 2 0 16.7 3742 6139 47
Colocated antenna parameters based on industry standards
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7430 New Technology Way, Suite 150 Frederick, Maryland 21703 (703) 596-1022 Phone www.waterfordconsultants.com
Appendix B: Field Measurement Locations and Results
Survey Date: 9/23/2020
Measurement Readings are Spatial Average and Maximum as MPE % of FCC Occupational Limit
Loc#
Site Reading
Loc#
Site Reading
Avg Max Avg Max
1 0.0331% 0.1158% 2 0.0162% 0.0749%
3 0.0352% 0.1061% 4 0.0371% 0.1186%
5 0.0356% 0.1249% 6 0.1054% 0.1936%
7 0.1186% 0.2123% 8 0.1415% 0.2498%
9 0.1472% 0.2435% 10 0.4906% 0.6443%
11 0.4732% 0.6895% 12 0.3288% 0.4583%
13 0.1931% 0.2748% 14 0.2621% 0.3560%
15 0.3863% 0.5170% 16 0.2569% 0.3228%
17 0.2525% 0.3497% 18 0.2734% 0.3122%
19 0.8009% 0.9504% 20 0.7014% 0.8317%
21 0.8237% 1.0080% 22 0.9221% 1.0440%
23 0.8574% 1.0750% 24 0.7954% 1.0440%
25 0.6049% 1.0440% 26