Page 73 - Tower Catalog
P. 73

Standard Sec ons
25 / 45 / 55 / 65
25G 45G 55G 65G
Hinged Short Base25G Short Base 65G
Base Plates
Towers 25G
Mfr Part # For
R-BPC45G* 45G Mfr Part #
Mfr Part #
Mfr Part # For
Mfr Part #
Mfr Part #
Mfr Part #
R-25G
Overall Length
Width 12-1/2" 12-1/2" 18" 18-1/2" 24-1/4"
O.D. (GA. wall)
O.D. For Bracing Tower
R-25G7
10'
1.25" (16)
5/16" 25G
R-45G
7'
1.25" (16)
5/16" 25G
R-55G
10'
1.25" (14)
7/16" 45G
25G 45G 55G
R-65G
10'
1.50" (11)
7/16" 55G
Concrete Base Plate
Hinged Base Plate
10' or 20'
1.50"
for embedment in concrete
7/16" 65G
For use with pier pin embedded in concrete. Requires pier pin (order sepa- rately-see below)
Bolts to concrete.. Hinged to allow tower to be rotated up from base during installa-  on.
Requires base bolts (order separately-see below).
Rohn R-BPH25G* 25G 45G
Bases
R-BPC25G* 25G R-BPC55G* 55G
Rohn R-SDB25G 25G
hardware
These base sec ons
Short Base
25G 45G 55G
25G
Mfr Part #
Des.
For Mfr Part #
Des. For
Single Drive-In Base
Flat Roof Mount
Mfr
Part # Des. For
R-SB25G
3' 4"
25G Rohn R-SBH25G 3'4" 25G Rohn R-SB65GH 5' 65G
65G
To be driven directly into ground
Bolts directly to flat roof surface
R-SB25G5
5'
25G
R-SB45G
5'
45G
R-FR25G* 25G R-FR45G 45G
25G
R-SB55G
5'
55G
Tapered Base
Mfr Part # Des. For
Thrust Bearing and Tower Bushing
Adjustable hinged feet conform to nearly any roof pitch. Bolts to any surface.
Rohn R-65TGH 10' 1-1/4" 65G
Peak Roof Mount
Non-Penetra ng Gal- vanized Roof Mount Can support 2 sec-  ons of 25G tower in a self-suppor ng ap- plica on. Base of mount is 10' square with a 16' tray to fit the concrete blocks, typically used as a bal- last. Quick
Thrust Bearing
Tower Bushing
Mfr Part # Descrip on
TB3 Supports up to 2" O.D. Mast TB4 Supports up to 3" O.D. Mast
For use on 25AG & 45AG Top Sec ons
Mfr Part # Descrip on
TB50 1-1/4" I.D. x 2" O.D. TB75 1-1/2" I.D. x 2" O.D.
Hardware
Rohn R-BPC55G
Rohn R-PR25G*
assembly.
*Towers mounted on these bases must be bracketed or guyed at all  mes. Temporary steel guying may also be nec- essary during installa on and dismantling.
Mfr Part # Descrip on
R-3/4x12PP
Pier Pin
R-1/2x12BB
Base Bolts
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