HomeMy WebLinkAbout06090096 Correspondence
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Phone . (847) 292 - 0200
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9700 W. Higgins Road, Suite 800 Rosemont, Illinois 60018
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September 7, 2006
Ms. Lisa Donnell
Sprint Nextel
3000 Corporate Exchange Blvd., Suite 200
Columbus,OH 43231
RE: Sprint/Nextel Site IN73XR538 / IN2572
Woodland
1776 East 1161h St.
Carmel, IN 46032
Dear Ms. Donnell:
Per your request, we have completed a structural review of the existing monopole structure and the
existing equipment shelter. The purpose of the review was to determine the conformance of the
monopole and the equipment shelter with the governing 2003 Indiana Building Code and the industry
standard TIAlEIA-222-F-1996 (Structural Standards for Steel Antenna Towers and Antenna
Supporting Structures).
The 90 ft. monopole structure currently has an existing configuration of (3) Sprint iDEN antennas (EMS
Wireless model DR90-ll-00DBL) mounted on (3) standoff mounting arms at 90 ft. above grade and (9)
7/8" diameter coax lines routed inside the monopole. The existing standoff mounting arms will be
replaced by (3) new Dual Standoff Mounts (Valmont model B1827) at 90 ft. above grade, each of which
will support (2) antennas. All existing Sprint antennas will be relocated to the new mounts and all coax
lines will remain. Three (3) new Sprint CDMA antennas ((2) Jaybeam Wireless model PCSX065-18-2H
and antennas and (1) Jaybeam Wireless model A-18A24-U antenna) will be installed on the new mounts
at 90 ft. above grade and (3) new 1-5/8" diameter coax lines will be routed inside the monopole. Our
review considered (3) additional antennas, (3) additional coax lines, and (3) new dual standoff mounts.
We have reviewed the original monopole and foundation structural design report performed by Fort
Worth Tower dated June 29, 2001, and compared its analysis loading to the new loading. Our conclusion
is that the existing monopole structure and foundation are adequate for the new loading, since the
additional loads result in less loading than was considered in the original design loading.
The equipment shelter is supported by a concrete slab on grade, with turn down edges installed below I
frost line. The final configuration of existing equipment racks and the addition of (1) digital rack (1,000 :
Ibs), (I) battery rack (1,000 lbs) and (1) radio rack (1,200 Ibs) were considered in our review. Our
conclusion is that because the w . ht of the additional equipment will be supported by the existing
concrete slab on grade, the exis . g eq 'pment shelter is adequate for the final loading condition.
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Lillard, Sarah N
From: Conn, Angelina V
Sent: Wednesday, September 20,2006 11 :27 AM
To: Lillard, Sarah N
Subject: RE: Cell Tower Co-locate
Collocations are permitted as long as they stay within the existing lease area when adding the equipment
building. If the tower exceeds 4 antennas, we will need a structural report, stating that the tower can
accommodate, structurally, the 5th or 6th antenna.
Thanks,
Angie Conn, Planning Administrator
Division of Planning & Zoning
Dept. of Community Services
City of Carmel
p.317-571-2417 f.317-571-2426
aconn@carmel.in.gov
From: Lillard, Sarah N
Sent: Wednesday, September 20, 2006 11:25 AM
To: Conn, Angelina V
Subject: Cell Tower Co-locate
Angie,
I have permit applications in for SprinUNextel to add 3 co-locate antennas and a new electrical meter supply on
existing cell towers at the following locations. Am I okay to proceed with input of these permits, and for issuance
after review, or do they need to do something with Zoning first?
931 Range Line Rd N.
1176116th Sl. E.
Let me know.
Thank you,
sarah
9/20/2006