A day out to the coast on Saturday so no studio building.  This left only Sunday but I did manage to complete some key jobs.  I popped down to ScrewFix on Friday to pick up a few items - some more thru anchor bolts, some 100mm flexible ducting, 100mm duct connectors and some duct tape.

 

As a result in the change of design I needed to re-do the duct between the two buildings and add an additional conduit to house the power cables.  In the end I pretty much redid the whole job. I had cut the rectangular duct flush with the inside walls so I couldn't easily attach duct adaptors etc. to them so this had to come out.  Chiselled out all of my original mortar work and drilled out the additional hole through both buildings.  This took a little while but once new duct/conduit were in place, mortar filled all around - now protruding inside each side I was a lot happier with the job.  

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Another obstacle...Where my internal stud-wall is located I didn't have anywhere to secure the 3rd layer of ceiling drywall without attaching timber to the inside of the wall.  So I came up with the cunning plan of creating a step in the top plate 12.5mm high to allow the sheet to slide over.  Only problem, the top plate is well and truly secured to the joist and I didn't fancy dismantling the wall.  So it was a matter of routing the step in situ whilst standing on the steps!!  In fact it worked out pretty well and with a lot of care I completed the job quite easily.  The only bit I had to do by hand was the edges nearest the walls where the router couldn't reach (about 100mm) - so out came the chisel and mallet.  It did create a lot of sawdust though so spent the next hour or so cleaning up the mess I had made from this and the masonry drilling.

 

After the clean up I set about continuing the build of the internal wall/door frame assembly.  Time was getting on so I only managed to get the two short sole plates in situ with 2 thru-anchor bolts on each.  These holes proved quite tough to drill but I got there in the end. I also routed channels underneath each of the sole plates to allow for any cables I might need to run.  

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