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An inclination test on a pipe can be carried out any one of 4 styles, where the choice of style that will give the best results is largely dependent on the equipment:
From the upstream end manhole driving forwards away from the truck to the downstream end manhole (i.e. Downstream CCTV inspection direction and Forwards inclination measurement direction).
From the downstream end upstream manhole driving backwards towards the truck to at the upstream end manhole (i.e. Downstream CCTV inspection direction and Backwards inclination measurement direction).
From the downstream end manhole driving forwards away from the truck to the upstream end manhole (i.e. Upstream CCTV inspection direction and Forwards inclination measurement direction).
From the upstream end downstream manhole driving backwards towards the truck to the downstream end manhole (i.e. Upstream CCTV inspection direction and Backwards inclination measurement direction).
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