1-22276-01 site plan

Project No. 1
            1-22276                                                                                                                         Page | 24
February, 20
           020
Ref: 1-22276,
           6, 2020-02-28, BR VE
                              ER 2
Wessel Petrooleum Pty Ltd – GE
                             EOTECHNICAL INVE
                                            ESTIGATION - Propo
                                                             osed Service Statio
                                                                               on Reconstruction, 52-54 Mary Street aand Weyba Road,
Noosaville




TABLE
    E5                 ULT
                         TIMATE GE
                                 EOTECHNIC
                                         CAL STRE
                                                ENGTH PAR
                                                        RAMETERS
                                                               S
                                                                        Basee Bearing (kP
                                                                                        Pa)
                      Mate
                         erial                                                                                           Skin Fric
                                                                                                                                 ction (kPa)
                                                                     L < 4D             L > 4D
Fill                                                                   NR                 NR                                           NC
                                                                                                                                       N
                      - Stifff                                        300                450                                           25
Clay
                      - Verry Stiff                                   600                900                                           45
                                                                                                                                       4
                      - Looose                                         NR                 NR                                           NC
                                                                                                                                       N
Sandy S
      Soils           - Medium Dense                                  400                400                                           20
                      - Den nse to Very Dense
                                        D                             1200               1200                                          30
Notes:
1. NR – Not Recomm     mended; NC – Not Considerred for skin friction calculations.
2. Ultimmate geotechn  nical strength for
                                        f compressio   on can be determined from Rd,ug = fbAB       B + fm,s.As
3. Reco   ommended ge   eotechnical strrength reductio on factor (Øg)) = Refer Table 4.3.2(c) AS 2159-2009.
4. Conssidering limit state
                        s     analysis (AS 2159-200   09), the design  n geotechnicaal strength R*,gg is calculated
                                                                                                                  d by
    multiiplying the ultimate geotech  hnical strength
                                                     h Rd,ug by the  e geotechnical strength reduuction factor Øg,
                                                                                                                 Ø i.e. Rd,g =
    Rd,u ug x Øg.
5. Shou   uld a "working
                       g stress" appro oach be adoptted, a minimum     m factor of saffety of 3.0 on base and 2.0 on skin
    frictio
          on is recomme  ended.
6. The above parame      eters are for single
                                       s      piers/pile
                                                       es. If piers/pile
                                                                       es are spacedd closer than thhree diameterrs a reduction
    factoor ( Group Efficiency Ratio) may apply.

The cap
      pacity of a pile
                  p may als
                          so be consid
                                     dered in terrms of torqu
                                                            ue/set achieeved.

           6.4.4       Con
                         nstruction Recommen
                                           ndations

Footing
      gs Adjacent to Undergrround Servicces

Where footings arre located adjacent
                             a        to
                                       o undergrou und services, the footiings should
                                                                                    d extend to
                                                                                              o
base a minimum ofo 300mm below the trench base      e level for a distance of 1.0m ou
                                                                                    ut from the
                                                                                              e
trench. Beyond 1.0m the foo otings shou ld be takenn a minimum m of 300mm m below ann imaginaryy
plane drawn up at 45˚ from the trench ba
                                       ase level, (F
                                                   Figure 3).




                                              Service
                                              S       Tre
                                                        ench                                                  1

                                                        or                                             1

                                              Retaining W
                                                        Wall                                                       2200mm




                                                                                                                   F
                                                                                                                   Found footin
                                                                                                                              ngs
                                                                                     1.0m                          B
                                                                                                                   Below these
                                                                                                                             e lines


                                                                                    200mm


                                                                   FIGURE 3

These rrequirements do not ov
                            verride miniimum footin
                                                  ng levels.




                                                                                                             SO
                                                                                                              OIL SUR
                                                                                                                    RVEYS