Development Application Part 2 of 2 - Plans 7 Banksia Avenue Noosa Heads · OPW10/2120

                                  SOME GUIDELINES FOR HILLSIDE CONSTRUCTION
                        GOOD ENGINEERING PRACTICE                                                         POOR ENGINEERING PRACTICE
ADVICE


PLANNING
SITE PLANNING   Having obtained geokecbeical advice. planthe deveingmet with the risk                     Plan develeptneot withoatregard Earths Risk.
                arising from theideatified hazards and eocxauences in mind-
DESIGN AND CONSTRUCTION'
HOUSE DESIGN    Use flexi6lo"pt[nctwea which incorporate properly dussigoed beiel wrork limber            Feat plms which regraite extensive cutting and
                a keel framei timber otpand cladding                                                      filling.
                                     y
                        Cmatder ore CF s lit Irvels.                                                      MoveRIeLtmmtele salt structures.
                        Use decks forioaeatlenal Areas 'abate Appropriate.
S   CLEARING            Retain natural vo etatiouwhemver izactLeable.                                     Indi         I clear the site,
ACCPSS &                Satisfy requirements below for cuts, fills, retaining walls and drainage.         Excavate and fill for site acceia before
DRIVEWAYS               Council specifications for grades may aced to be modified.                         geatechnieal advice.
                        Driveways; and r!AtM areas ma need toile fall '                on 'crs
EARTHWORKS              Retain natwilcmtourarvberover           e.                                        Ad icaiminantlialkearthw+osks.
               CUTS     Minimiac dell                                                                      barge dcale W^ j and betmlvng.
                        Support with engineered retaining walls or batter to appropriate slope.            Unsupported eiitk-
                        Proride deal      mcarares and erosion eaohoL                                      1                         coin
               F>us     Minimise bdtbl                                                                     Loon or poorly compaetnd all. which if it fails,
                        Strip vegetation and topsoil and key iatenstural slope prior to filling.           may flow a ccnaiderable distance including
                        Use clean fill materials and compaetIn engineering standards.                      onto property below.
                        Batts to apprepriste slope or Support with engineered retaining wall.              BIO* natural drainage Iiora.
                        Provide ma him drainage and appropriate sabaeafaeo drainage.                       Fill over mating vegetation and topsoil-
                                                                                                           Include -h-mps, trees, vegcfatian, topsoil,
                                                                                                           boulder build' nobble eta in fill.
    Roca O jrcROPS      Reagove or stabilim boulders which may have unacceptable ride.                     Disturb or undercut detached blacks or
       & BOUDERS        Su art rack faces where necomary,                                                  boulders.
RETAINING               Engineer design to resist applied soil and water forces.                           Caostcuct M. sera haafly Inadequate wall such as
WALLS                   Found on rock Ahere geziticablo.                                                   Dandatunc flagging. bride or Unreinfosced
                        Provide r hn,ff c drainage within wall backfill ad rarface drainage cc slope       blockwort.
                        above.                                                                             Lack of sabsurfaee drains and woepleotcs;
                        Construct wall as    as     "ble after cutifill operation.
POCITEtGS               Found althinrock where practicable.                                                Pound on topsoil, loose fill, detached boulders
                        Use rows of pith or strip foatarga oriented up and down siopo.                    ' a r undercut cliffs.
                        Design fiorlaternl ervcp preasarea I f nrcemity.
                        RqckMLbouz excavations to emeludo imeress of surface water.
SWIhCdINGPOCILS         Engines designed.
                        Support on piers to rock where practicable.
                        Provide with under-drainage and gravity drain outlet where practicable.
                        Design for high soil pressures which may develop on uphill side whitmt there
                            be little or no Wool sWpon on downhill side.
DRAINAGE
            St1RFAC     Provide at tops of out and 511 slopes.                                             Discharge at top of lilts and euta.
                        Diachargo to street drainage or natrtial barer couraea.                            Allow water to pond on bench areas.
                        Provide general fails to proveOt blockage by siltation and incorporate At naps.
                        Line tominimiae infiltration rod make flexible where possible.
                             lal airucb>rea to dissipaw energy arch   es of Aepe, andlor direction
        SUaetatt=ACB    Provide filter around subsrrfaee drain.                                            D-Iv Lsrgc roof runoff Into absorption truoc.:es
                        Provide drain behind retaining walls.
                        Use, ffeigble pipelines with accesr for maiatewaca
                        Prevent Mew of awfaco water.
            Si_Yr7C&    Ux"uyrequ=spump-oeuormaineseverrysums; absotptiontrwcheamay                        Disebirgo tirlirgo directly Cola arid ^ntoniop.'a.
            Sttu toff   he possible in some areas ifrisk is acceptable.                                    Use abeorptlce trenches without Caabtdoratioa
                        Storage tanla should be water-tight and adequately founded,                        of landslide risk.
EROSION         Control msien as this may lead to instability.                                             Failure to abscrvc earthworks and drainage
CONTROL &       Revcgetato cleared area.                                                                   reco®mcndstioos when landscaping.
LANDSCAPING
DRAWINGS AND SITE VISITS DURING CONSTRUCTION
DRAWINGS                Building Apallcatioa drawings should be viewed by gootechnical consultant
SIZE VISTIE             Silo Vans by cottaultaet may be auoropriate during cacstrtsetionl
INSPECTION AND MAINTENANCE BY OWNER
OWNER'S                 Clean drainage systemr, repair broken jainls in drains and leaks in supply
RESPONSIBILITY          pipe=
                        WLuu stniciural dldrress Is evident sec advice.
                        If roe   2c obsavcd, deterviine taus: or seek acv ce oncooscquenct"s