Page 191 - B6118-AEW-XX-XX-PP-A-0001_(P19)_Contractors Manual
P. 191

DESIGN



















                                          Construction Point    Risk              Standards for Design and
                                                                                  Construction
                                          External walls and party   Rodents and   All gaps in wall etc. must be fully
                                          walls with adjoining   cockroaches etc. can   filled before ‘shop fitting’ takes
                                          buildings             enter from adjoining   place.  This is very difficult and often
                                                                buildings or from the   impossible after the fitting.  No gaps.
                                                                outside through very   For doors etc. maximum gap - 5mm.
                                                                small gaps.       This can be easily checked using the
                                                                                  ‘pencil test’.
                                                                                  Ventilator bricks should have no
                                                                                  holes larger than 5mm unless
                                                                                  protected by a 4mm mesh.
                                          Separation of internal   Where an infestation  Internal walls, door etc. should be
                                          parts of the building   occurs it is essential   effectively sealed.  Where full
                                                                to contain it and   sealing is not possible the maximum
                                                                minimise spread   gap should be 5mm.
                      The Restaurant                          throughout the
                                                                building.

                                          Voids and crevices etc.   Cockroaches,   Avoid or fill void areas and fill cracks
                                                                rodents etc. will live   / crevices to deny harbourage for
                                                                in voids, crevices,   pests.  Take plaster etc. right down
                                                                rear of wall panels,   to floor behind skirting's etc.
                                                                skirting boards etc.
                                          Drainage connections   Rats in particular can   Seal all disused drainage points or
                                                                thrive in drains.   cover with purpose designed caps or
                                                                                  mesh, max 5mm, secured in place.
                                          Lift Shafts           Lift shafts can   Seal the shaft according to the same
                                                                provide an area of   standards as described for walls etc.
                                                                free movement for   Maximum gaps 5mm.
                                                                rodents.
                                          Vertical barriers below   Rats and mice can   Modular buildings – solid vertical
                                          external walls        burrow below or   barrier to 900mm deep.  No gaps
                                                                through foundation   larger than 5mm.  Traditional
                                                                level if not properly   buildings – traditional foundations to
                                                                sealed.           a minimum of 900mm and over site
                                                                                  concrete.  No gaps larger than 5mm.
                                          Sub Floor Access      Access to the sub   Sub floor spaces should have access
                                                                floor area may be   possible via a well-sealed hatch or
                                                                required to survey,   similar method.
                                                                treat infestation or
                                                                check/repair
                                                                drainage.
                                          Service Conduits/Ducts   Service conduits etc.   All service conduits should be
                                          from sub floor area to   can provide an entry   properly sealed at both ends, with
                                          drains, car park lights,   exit point to rodents   cement mortar or similar material.
                                          menu boards  etc.     to the sub floor area



          D7.9           Pest Control Standards               1.0                        02 November 2016
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