Trinity Highway CASS TL3, Руководство по сборке изделия

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TrinityHighway.com 20 Revision A November 2021
Note: These sleeves are different than the standard line post sleeves.
2. Punch or auger a minimum 12” [300 mm] diameter x 36” [0.91 m] deep hole for the
concrete footing.
3. Pour the MSC in the hole with the top of the footing flush with the finished grade.
4. Place the foundation sleeve in the poured concrete footing. The sleeve is to be positioned
plumb, flush with the top of the footing, ensure that the sleeve is aligned a minimum of 3”
[75 mm] from the edge of the footing and the 3” [75 mm] side parallel to the roadway), and
in alignment. Consolidate the concrete to remove air pockets in compliance with
applicable state specifications for similar applications.
5. Place a re-bar ring (PN-5836B) around the top of the sleeve 2” to 3” [50 mm to 75 mm]
from the top of the footing. Place two re-bars (PN-5919B) vertically as shown in Figure 4.
If the state/specifying agency requires a deeper footing, the length of the vertical re-bars
will be the footing depth minus 4” [100 mm]. The two vertical re-bars do not have to be
attached to the ring.
6. Smooth off the top of the footing.
7. Allow the footing to attain the required concrete strength before disturbing the foundations,
including the placement of posts.
Terminal Line Precast Concrete Footings-Posts 4 to 9
The precast concrete footings will be fabricated in forms and installed the same as if placed in
an augured hole. The precast footing will be placed in a punched or augured hole
.
Terminal Line Driven Foundation Sleeve with a Soil Plate-Posts 4 to 9
Complete the following steps for placement of a driven foundation sleeve with a soil plate .
1. Drive the foundation sleeve with soil plate (PN-33952A) with an appropriate driving head.
Ensure that the driving head keeps the sleeve orientated in the proper alignment and
prevents soil from coming up into the sleeve while the post is being placed.