488 R Highland Avenue - ATC 030222 tr 6240 Old Dobbin Lane.Suite 100
Columbia,MD 2104545
T:877.627.3772
Engineering F:732.383.1984
& Design www.colliersengineering.com
March 2, 2022
VIA E-Mail
Mr. Patrick Massey
American Tower Corporation
3500 Regency Parkway, Suite 100
Cary,NC 27518
Re: ATC—305035 — Salem MA 8
488R Highland Avenue
Salem, MA 01970
Essex County
Colliers Project No. 21904384A
Dear Mr. Massey,
For the above referenced site, ATC has proposed installation of six (6) new antennas & three (3)
new remote radio heads, and removal of six (6) existing antennas &three (3) remote radio heads
on three (3) existing sector frame mounts at a centerline height of 167'-0"AGL. In addition ATC
has proposed the installation of two(2)cabinets,and the removal of two(2)cabinets at grade level.
Colliers Engineering & Design, Inc. has based their review on the following document in
completing this report:
• As-Built photographs provided by ATC, dated January 20`h, 2022.
• Construction Drawings prepared by Colliers Engineering& Design, Inc., dated
September 1" 2021
• As-Built Construction Drawings provided by ATC, dated February 2nd, 2022
Colliers Engineering& Design, Inc. has been provided with As-Built photographs by ATC, dated
January 20`h, 2022. The As-Built photographs, which are included, accurately depict the final
installation of the ATC antenna mounts. Based upon the inspection of the As-Built photographs,
it is the professional opinion of Colliers Engineering&Design,Inc.that all work has been installed
and is in compliance with codes and standards per the approved Construction Drawings.
This evaluation of the As-Built condition is based solely on the provided As-Built photographs.
Any equipment that has been installed after the As-Built photographs were taken is not part of this
evaluation. Further, any equipment that has been installed, but was not captured in the provided
Customer Loyalty through Client Satisfaction
ATC—305035 - Salem MA 8
Colliers Project No. 21904384A
Engineering March 2, 2022
& Design Page 2 of 12
As-Built photographs, is not part of this evaluation. Colliers Engineering& Design, Inc. reserves
the right to amend this evaluation if more information is provided.
If you have any questions or comments, or require additional information, please do not hesitate
to contact me.
Very truly yours,
COLLIERS ENGINEERING& DESIGN, INC.
Petros E. Tsoukalas, P. E.
Massachusetts Professional Engineer
License Number: 52056
Professional Certification: I hereby certify
that these documents were prepared or
approved by me,and that I am a duly
licensed professional engineer under the
laws of the State of Massachusetts,
License No.52056
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(13705566).AE(FCCA).REVO.docx
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Colliers Project No. 21904384A
Engineering March 2, 2022
& Design Page 3 of 12
Session Name:TMO 2021_NE G15_4BNO038B_OVEC07
Capture Time: Thursday, January 20,2022 10:38 AM
Upload Time:Thursday, January 20, 2022 10:38 AM (UTC-5:00)
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Photo - 1: Installation of proposed antennas & remote radio head at Alpha Sector
ATC—305035 - Salem MA 8
Colliers Project No. 21904384A
Engineering March 2, 2022
& Design Page 4 of 12
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Photo—2: Installation of proposed antenna& remote radio head at Alpha Sector
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Engineering March 2, 2022
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Photo-3: Installation of proposed antenna & remote radio head at Beta Sector
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Engineering March 2, 2022
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Photo- 4: Installation of proposed antenna & remote radio head at Beta Sector
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Colliers Project No. 21904384A
Engineering March 2, 2022
& Design Page 7 of 12
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Photo -5: Installation of proposed antenna & remote radio head at Beta Sector
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Engineering March 2, 2022
& Design Page 8 of 12
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Photo -6: Installation of proposed antenna & remote radio head at Gamma Sector
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Colliers Project No. 21904384A
Engineering March 2, 2022
& Design Page 9 of 12
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Colliers Project No. 21904384A
Engineering March 2, 2022
& Design Page 10 of 12
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ATC—305035 - Salem MA 8
Colliers Project No. 21904384A
Engineering March 2, 2022
& Design Page 12 of 12
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Photo - 10: Installation of proposed cabinets at¢rade level