Expansion Fitting- Asphalt

[Always4]

Is it typical to install PVC expansion fitting on conduits protruding vertically from asphalt? The inspector claims they are needed for thermal expansion. I can’t find anything in the NEC specifically relating to asphalt. We are currently still on 2017 code cycle.

Background-
-Perviously installed- 2” PVC underground Service conduit has an expansion fitting

-Installing- 1- 1 1/2” and 1- 3/4” conduit
-Terminates in a PVC junction box 8” above grade. It will likely require relocating box as there isn’t much space for an expansion fitting.

 

[infinity]

Expansion fittings are typcially used for two reasons, 1) expansion/contraction of PVC conduit and 2) earth movement.

At only 8" of raceway 1) would not apply.

Regarding 2) will the conduit be able to move after installation? {300.5(J)}