Trinity Highway REACT 350 II, Product Description Assembly Manual

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TrinityHighway.com 7 Revision E November 2020
Foundation/Anchoring
Warning:
Ensure that this assembly conforms with the guidance provided by the
AASHTO Roadside Design Guide, including, but not limited to, those regarding
placement on or adjacent to curbs.
Asphalt Installations
REACT 350 ® II systems with a Self-Contained Backup may be installed in construction zones on
asphalt. Assemblies on
Asphalt Concrete (“A.C.”)
must provide a minimum 3” [76 mm] layer of
asphalt over a minimum 3” [76 mm] layer of
Portland Cement Concrete (“P.C.C.”)
, 6” [152 mm]
layer of asphalt over 6” [152 mm] layer of subbase, or 8” [203 mm] layer of asphalt with no
subbase.
Important:
Only 18” [460 mm] threaded rods, utilizing Trinity Highway approved
adhesive, can be used with asphalt foundations. Contact Customer Service for a
complete list of approved adhesives (p. 3).
Concrete Installations
For concrete installations, the REACT 350 ® II should be installed only on an existing or freshly
placed and cured concrete base (28 MPa [4000 psi] minimum). Orientation of the concrete base
and the attenuator must comply with the project plans or as otherwise determined by the resident
project engineer or appropriate highway authority.
Recommended dimension and reinforcement specifications for new concrete pads can be found
in your site specific drawing package or standard drawings in the back.
The REACT 350 ® II may be installed on any of the following foundations using the specified
anchorage:
Foundation A: Concrete Pad or Roadway
Foundation: 8” [200 mm] minimum depth P.C.C.
Anchorage: Approved adhesive with 7 1/2” [190 mm] studs 6” [152 mm] embedment
Foundation B: Asphalt over P.C.C.
Foundation: 3” [76 mm] minimum A.C. over 3” [76 mm] minimum P.C.C.
Anchorage: Length of anchor required is 18” [460 mm] 16 1/2” [420 mm] embedment
Foundation C: Asphalt over Compacted Subbase (“C.S.”)
Foundation: 6" [150 mm] minimum A.C. over 6" [150 mm] minimum C.S.
Anchorage: Approved adhesive with 18" [ 460 mm] studs 16 1/2” [420 mm] embedment
Foundation D: Asphalt
Foundation: 8” [200 mm] minimum A.C.
Anchorage: Approved adhesive with 18" [ 460 mm] studs - 16 1/2” [420 mm] embedment