I need to cut pipe threads on two 2-1/2" brass nipples that are installed through the sides of a manhole that is about nine feet deep. The clearance is tight, so a I don't think a powered threader will fit. Is it possible to cut threads by hand on using a 2-1/2" die of some sort. If so, how would it be done? I have attached a photo of the existing condition. The threads need to be cut on the manhole side of both Romac fittings visible in the photo. The reason for the dilema is that our client will not accept the Romac couplings as a permanent fix.
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Thread cutting in small space