The3rd Earl Of Derby wrote:

I need to install some new pipes under a chipboard floor in a bedroom
, I know how & where to safely cut into the joists below , but can
some one tell me the best way to cut & remove a section of flooring ?


Yes, take the section you up need to cut.

Not usually practical IME. With T&G boards that run under partition
walls (or are at least locked in by skirtings) cutting out a section is
often the only way to go.

Access panels can be taken out with a trend routabout and the bit
removed then goes into a frame to make a suitable cover for the hole later.

Plunge cut with a circular saw is good for big areas - depth will
usually be 18mm or more. A jigsaw with a cut down blade will also work.

--
Cheers,

John.

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