Warranty Walk, without the contractor?

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PM from owners side here. We're approaching the end of warranty, so I contacted the prime's pm to schedule a walk. Quick details: -Large dia storm -Confined space and traffic control required -Project extends into neighboring jurisdiction Contractor is objecting to conducting a walk because they don't want to incur the costs of an occupancy permit and traffic control in the other town. Contract technically doesn't require one, but if we do one without the prime they'll have to come on their o...