Page 24 - B8773-AEW-XX-XX-PP-A-0001_[P4]_Contractors Manual
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2.1 Stud Walls                                        2.2 Floors
                            D R A F T


       Generally,  all  new  internal  non-load  bearing     All existing floors to be cleared of loose materials,
       partitions   and     downstands      should    be     dust  and  debris  and  cleaned  to  ensure  good
       constructed from overall 70mm thick metal stud        bond  with  new  finishes.  Where  deviations  in
       frame with 12.5mm plasterboard face to both           levels are identified, floors are to be ‘made up/
       sides. All joints in plasterboard to be taped and     levelled’ in an appropriate manner to suit the
       filled   if required, and must be fully supported     floor construction.
       by noggins or studs behind, to avoid cracking.
       Maximum  spacing  of  studs  to  be  600mm.           Where vinyl flooring is to be laid over cement
       Principal Contractors must ensure that the stud       screed or concrete floors, the floor layer MUST
       centres, depth and specification generally, is fit    check moisture levels  and satisfy  himself that
       for  purpose,  specifically  with  reference  to  the   they  are  low  enough  for  the  vinyl  to  be  laid
       height of partitions required.                        correctly. If levels are too high then a suitable
                                                             and  approved    DPM  should  be  laid,  after
       Where  metal studwork  is used supplementary          consultation  with  the  Project  Manager  and/or
       earth bonding will be required.                       flooring manufacturer. Any subsequent costs for
                                                             repair due to high moisture levels will be passed
       It  is the  responsibility of  the  contractor  to    to the Main Contractor.
       determine where dry linings are required, and
       adjust  his  price  accordingly  at  quotation.  The   Following  installation,  all  new  areas  of  flooring
       contractor  is  required  to  provide  high  quality   must be cleaned in line with manufacturer’s
       wall finishes which are true and flat, concealing     recommendations to remove site dirt/dust and
       electrical cables either by chasing into existing     any residue of adhesives etc.  Once clean,
       plaster  and  fitting  of  suitable  conduits,  or  by   the new flooring must be protected and kept
       concealment behind dry lining, again running          covered until handover of the completed job.
       wires in suitable conduits.


       Dry linings, (where required), to perimeter walls
       are to be 12.5mm plasterboard on plaster dabs
       or suitable metal grounds. Joints in plasterboard
       are  to  be  taped  and  filled  as  necessary  and
       must be fully supported to avoid cracking.

       Plasterboard  surfaces  which  are  to  receive  a
       ceramic  tile  finish  are  to  be  sealed  with  pva
       bonding agent.


       NOTE: Partition walls,  counter fronts,  door  frames must
       NEVER be butted up tight to glazed windows.







       2.1 - 2.2                   Stud Walls and Floors                                 3 February 2016
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