ES_173527_BR_1059006_Conv_Lot 497 10 HILL STREET SUNSHINE BEACH QLD(C) · MCU18/0006.02

                                                                                                                                                                                                                                                                                                                                 Project Job No. 173527


                                                                                                                             Plumbing Guidelines

            Detail 1. Scale: 1:25                                                                                                                                                  Detail 2.                                                                             Minimum Heights of Slabs Above

            Services Under Slab                                                                                                                                                    Services Under Slab                                                                   Ground for Habitable Rooms
                                                                                                                                                                                                                                                                         - 150 For High Side of Well Drained Sites

            Edge Beam                                                                                                                                                              Relief Gully                                                                          - 300 For Level, Poorly Drained Sites

                                                                                                                                                                                                                                         Stainless Steel Strap and Bolts Fixed
          All Slab                                                                                                                                                                                                                       to Reinforcing Steel. Only to be                               Lowest
          Penetrations to                                                                                                                                                          Termite Protection to AS 3660.1                       Used Where Fill Material Depth                                 Fixture
          be Sealed to                                                                                                                                                                                                                   Exceeds 900 mm Under Wet Areas.
                                                                                                                                                                                       Relief Gully Trap to be Min.
          AS 3660.1
                                                                                                                                                                                       150 Below Lowest Fixture
                                                                                                                                                                                       FLOOR LEVEL
                                                                                                        Fall




                                                                                                                                                                                                                (min)
                                                                                                                                                                                                                 50
                                                                                                      Min 1:20
                                                                                                 (50 mm over 1.0 m)
                                                                                                                                                                                  75

                                                                                                                                              Ground Level
                                                                                                                                              to be 75 Below
                                                                                                                                              Top of Gully Trap




                                                                                                                                                                                                                                                                                                                  (max)
                                                                                                                                                                                                                                                                                                                   600
Stainless Steel Strap
and Bolts Fixed to
Reinforcing Steel.                                                                                                                                 Drainage Channel Must
Only to be Used                                                                                                                                    be Wide Enough to Take All
Where Fill Material                                                                                                                                Water Without Flooding the                                                                                             Spacing For Straps:
                                                                                                                                                   Dwelling                                                                       Pier                                    For Pipes > Ø 100 mm Max Spacing 1200 mm Max
Exceeds 900mm Under
                                                                                                 Pier
Wet Areas.                                                                                                                                                                                                                                                                For Pipes <= Ø 100 mm Max Spacing 1000 mm Max

Spacing For Straps:
For Pipes > Ø 100 mm Max Spacing 1200 mm Max
For Pipes <= Ø 100 mm Max Spacing 1000 mm Max



                                                                                                                                          Strap Spacings
                                                                                                                                          Strapping of under slab pipework is required where uncompacted fill                                                          Detail 3.
    Underslab Plumbing                                                                                                                    has been identified or as a result of cut / filling operation in the
                                                                                                                                                                                                                                                                       Downpipe Articulation For
                                                                                                                                          construction of the building pad. Strapping is to be placed where the
    Plumbing, sewage and drainage services shall be located and installed so as to ensure:
    - The functioning of the footings and slabs on-ground are not impared.
                                                                                                                                          fill depth excededs 900mm.
                                                                                                                                           Uncompacted fill being material that is not natural ground or having had
                                                                                                                                                                                                                                                                       "M' Soil Classification
    - The functioning of the services themselves are not impared.
    Water pipes must not be laid horizontally in slabs, but may be placed vertically as a
                                                                                                                                           compaction as AS 3798 (Level One Supervision)
    penetration, as detailed above.                                                                                                        1. For main drains Ø >100 mm strapping to be placed at the head and
                                                                                                                                              then at 1200mm max. spacing.

    Notes:                                                                                                                                 2. For smaller pipework Ø <100 mm (eg sink & floor waste), Strapping
                                                                                                                                              to be placed at the head and then at 1000 mm max. spacing.
    1. All plumbing (within & beyond the footprint of the slab & footings) to be constructed                                               3. For pipework passing under the footing, place strapping as                                                                     90 mm
                                                                                                                                                                                                                                                                             Downpipe
    in accordance with AS3500 - National Plumbing & Drainage code.                                                                            close as practicable to the inside edge of the footing.
    2. All PVC pipe work passing horizontally through concrete must have 20 mm for 'H' or
                                                                                                                                           4. For pipework passing through the footing, place strapping at                                                               Slip Joint
    40 mm lagging for 'E' sites. Sleeves allowing equivalent movement may be used as an
                                                                                                                                              1200 max. from inside edge of the footing.                                                                                 Coupling
    alternative.
    3. Corrugated flexible PVC pipe should not be used for sanitary (sewer) pipes as it is not                                                                                                                                                                      100 (min)
    able to expand to accommodate soil movement.
                                                                                                                                                                                                                                                                    100 (min)

    Advice to Plumbers                                                                                                                                    Typical Detail
     Ensure that no piers are accidentally dislodged during trench                                                                                      Backfilling of Trench
     excavation. If this happens, advise site supervisor immediately.
                                                                                                                                                              Backfill with compacted clay soils
                                                                                                                                                              or equivalent to form an impermeable
    Construction Sequence                                                                                                                                     layer to all trenches within 1500 mm of
                                                                                                                                                              the building
                                                                                                                                                                                                                                                               100 mm
                                                                                                                                                                                                                                                                                                                      Pier
                                                                                                                                                                                                                                                               Underground
     1.              Pad Leveled                                                                                                                                                                                                                               Stormwater Line                                       Note: The slip coupling joints may be
                                                                                                                                                                        Minimum




     2.              Slab Set Out                                                                                                                                                                               Natural Surface                                                                                      substituted for flexible sub-surface pipes
                                                                                                                                                             300




     3.              Under Slab Plumbing                                                                                                                                                                                                                                                                             which comply with AS/NZS3500.3 and
     4.              Piering                                                                                                                                                                                                                                                                                         and AS/NZS 2566.1
     5.              Steel Up
                                                                                                                                                                        Varies
                                                                                                                                                             Backfill

                                                                                                                                                                        Depth




     6.              Concrete Pour                                                                                                                                                                        Approved bedding
                                                                                                                                                                                                          materials to
                                                                                                                                                                                                          appropriate cover
                                                                                                                                                                                                                                                                                 Site Classification
                                                                                                                                                                                                                                                                                         P/S
                                                                                                                                                                                                           Clay Plug to full
                                                                                                                                                                                                           depth of bedding                                              Note: If the site is classified as a Class
                                                                                                                                                                                                           at footing zone
                                                                                                                                                                                         Width Varies
                                                                                                                                                                                                                                                                         P the plumbing it to be done as per the
                                                                                                                                                                                                                                                                         soils characteristic reactivity noted on
                                                                                                                                                                                  Typical Trench Detail                                                                             page 1 of the report.




                            STA CONSULTING ENGINEERS
                       Brisbane North (Milton) (07) 3071 7444 Brisbane South (Rocklea) (07) 3071 7444 Gold Coast (07) 5522 1995 Mackay (07) 4960 4800
                                                                                                                                                                                             Client
                                                                                                                                                                                             DJK Electrical Services
                                                                                                                                                                                                                                                                          Site Address
                                                                                                                                                                                                                                                                          Lot 497 10 HILL STREET SUNSHINE BEACH 4567
                                                Townsville (07) 4766 8741 Rockhampton (07) 4994 9810 Newcastle (02) 4032 6450                                                                TBA SUNSHINE BEACH 4567
                                                     email: [email protected] webpage: www.staconsulting.com.au                                                                                                                                                                                                                                Page 11 of 14
                                                                                                                                                                                                                                                                    STDCON.2014-14-05