049_Duplex_27 Grant St Noosa - Approval Issue H

                                   CONCRETE:                                                                                                          CONCRETE CONT.:                                                                                               ROOF FRAMING:                                                                                               ROOF TRUSSES:
                                   CONCRETE - GENERALLY:                                                                                              STRUCTURAL CONCRETE AND REINFORCEMENT :                                                                       ROOF FRAMING - ENGINEERED TRUSSES:                                                                          Prefabricated roof trusses, their bracing and the connections
                                   All conc work must comply with 3.2.3. of the BCA. and AS 2870.                                                     UNO in the Engineers drawings :                                                                               Prefabricated MGP10 pine (JD4) Engineered roof                                                              between trusses and to the supporting members are to be
                                   Refer to the Engineers DWGS and specifications for further                                                                                                                                                                       trusses at 900 max. crs. to AS 1720 and fixed in                                                            designed and fabricated by an approved firm of the truss
                                   detail.                                                                                                            All concrete work shall be in accordance with AS 3600                                                         accord AS 4440. All must be designed for the wind                                                           fabricators. The design of the truss system shall include
                                                                                                                                                      Concrete Structures.                                                                                          Cat noted on the drawings. Refer to truss                                                                   allowance for the following items:
                                   FOUNDATIONS - GENERALLY :                                                                                                                                                                                                        manufact. for tie down connections at girders, hip
                                   Refer to Geotechnical report.Foundations are defined at BCA                                                        Concrete specification shall be :-                                                                            end girders and hips. Provide bracing in                                                                    All trusses shall be designed for the loads set out in the design
                                   Fig 1.1.2. Foundation material is to be verified during                                                            ELEMENT GRADE SLUMP MAX. AGG                                                                                  accordance with manuf.                                                                                      criteria and in accordance with AS1170, parts 1 and 2. All
                                   excavation as consistent with the Geotechnical Engineers Site                                                      Corefill 200 CMB N30 230+/-30 10mm                                                                            recommendations. Fit 75 x 38 F8 Tie binders top &                                                           trusses shown on the drawings together with any other trusses
                                   Foundation report and the nominated soil classification.                                                           Interior RC refer ENG 100+/-15 20mm                                                                           bot at 3000 max. crs. for all scissor trusses and                                                           needed to complete the roof profile. Fascia beams as
                                   Foundation bearing capacity is to be inspected and approved                                                        Exterior RC refer ENG 100+/-15 20mm                                                                           common truss spans in excess of 9000.                                                                       required to provide support at corners. Truss to truss and truss
                                   by the Certifier or a qualified practicing RPEQ Engineer before                                                    Elsewhere slump shall be in accord. sect 19 of A.S.3600                                                                                                                                                                   to fascia beams to support Connections, all permanent
                                   placement of any concrete.                                                                                         and A.S.1012.3 Slump may be increased using approved                                                          The manufacturer is required to supply :                                                                    temporary bracing and binders. Pre-camber trusses as
                                                                                                                                                      plasticiers extra water must NOT be added.                                                                    a. An Engineered truss certificate of conformity,                                                           required such that the long term deflection in any horizontal
                                   FOUNDATIONS - (STRIP FOOTINGS) :                                                                                                                                                                                                 b. a truss assembly diagram significantly in                                                                plane does not exceed the lesser of span/360 or 10mm.The
                                   Where Strip footings tied to the slabs are used, they shall be                                                     Cover to reinforcement shall be :-                                                                            accordance with the ROOF FRAMING DWGS,                                                                      truss manufacturer is to provide additional roof bracing in
                                   founded on material with a min. bearing capacity of 50 kPa.                                                        · FOOTINGS - bot 75mm, and sides & top 65mm UNO                                                               c. a schedule showing uplift load and fastener                                                              accordance with AS4440. Web members in roof trusses are to
                                   Strip footings, not tied to the slab, shall be founded on 100                                                      · SLAB ON GROUND - top 30mm UNO                                                                               selection for each individual truss.                                                                        allow for the clear passage through the roof space for
                                   k.p.a. bearing capacity material. Concrete grade to be a                                                           · SUSPENDED SLABS - top & bot 20mm UNO                                                                                                                                                                                    electrical, mechanical and hydraulic services and equipment
                                                                                                                                                                                                                                                                    NOTE: Non compliance with the above will result in
                                   minimum of 25mPa                                                                                                   · Increase cover where surface is external by 10mm                                                            rejection of the framing by the Certifier or                                                                as shown on the relevant engineers drawings. Bottom chord
                                                                                                                                                      · Within CMB - 10mm                                                                                           Superintendent and removal from site at the cost                                                            bracing which is structurally adequate to transfer the wind
                                   FOUNDATIONS - (PAD FOOTINGS) :                                                                                                                                                                                                   of the manufacturer. Liquidated damages for                                                                 loads from the roof trusses to the nominated bracing walls is
                                   Comply with BCA 3.2.2.3(c). Isolated pad footings shall be                                                         Reinforcement shall be tied in position and supported on                                                                                                                                                                  achieved either by plasterboard (or similar) ceiling fixed to
                                                                                                                                                                                                                                                                    delay
                                   founded in natural ground with a min. bearing capacity of 100                                                      approved plastic tipped chairs to provide the required                                                                                                                                                                    battens which are screwed to the bottom of the chord of the
                                                                                                                                                                                                                                                                    may also apply.
                                   kPa. Concrete grade to be a minimum of 25mPa                                                                       cover                                                                                                                                                                                                                     truss or by a system of bracing members fixed to the bottom
                                                                                                                                                      and as follows : -                                                                                            NEVER cut, alter, drill, relocate or field modify any                                                       chord of the truss. All trusses shall be supported at node points
                                   EXCAVATION FOR FOOTINGS:                                                                                           · Bars up to N12 and fabric - 800mm crs                                                                                                                                                                                   only. Fabrication and certification manufacture of roof trusses
                                                                                                                                                                                                                                                                    truss. Errors in building lines or dimensions, uneven
                                   Excavations for footings must comply with BCA 3.2.2.1. Footing                                                     · Bars N16 and larger - 1200 mm crs.                                                                                                                                                                                      shall not commence until : A design certificate stating that
                                                                                                                                                                                                                                                                    bearing, walls not parallel etc, shall be corrected
                                   steps must be in accord BCA Fig 3.2.2.2. Excavations for beams                                                                                                                                                                                                                                                                               the trusses, the top and bottom chord bracing of the trusses,
                                                                                                                                                                                                                                                                    BEFORE installation of trusses begins.
                                   must not be undertaken during rain. Excavate only that work                                                        Site welding or bending is not allowed without the written                                                                                                                                                                the connections between trusses, and the connection to the
                                   which can be completed for the day. Pour concrete only                                                             approval of the Engineer                                                                                                                                                                                                  support structure have been designed to safely resist the
                                                                                                                                                                                                                                                                    ROOF FRAMING - BRACING :
                                   when directed by the Engineer.                                                                                                                                                                                                                                                                                                               loads set out in the design criteria has been received by a
                                                                                                                                                                                                                                                                    Provide temporary bracing of 70 x 35 F5 at 3M max
                                                                                                                                                      Laps unless noted otherwise (UNO) shall be :-                                                                 crs to Top chords and 4M max crs to Bot chords. Fix                                                         RPEQ (Registered professional engineer )
                                   SUB-BASE PREPARATION :                                                                                             · Fabric - 1 complete mesh + bar diameter. Tied at 900 crs                                                    using 2/75x3.75mm double headed nails. Provide
                                   Comply with BCA 3.2.2.3. Use only imported approved sub-                                                           · N12 - 300mm. Tied at 100 crs.                                                                                                                                                                                           Note: Roof trusses and associated framing, bracing and tie
                                                                                                                                                                                                                                                                    permanent bracing as indicated on the ROOF
                                   base fill. Fill preparation is to reflect all beams, falls, recesses,                                              · N16 - 450mm tied at 100 crs                                                                                                                                                                                             down are to the truss manufacturers design & detail.
                                                                                                                                                                                                                                                                    FRAMING
                                   etc. to ensure compliance with mesh cover. Provide                                                                 · N30 - 650 Tied at 100 crs
                                   thickenings below bracing walls. All fill is to be Controlled to                                                   · Horz. Bars with 300mm or more concrete under them
                                   150mm max. layers and compacted to 98% R.D.D. 50 k.p.a.                                                            shall have laps 1.25 times greater than these lengths.
                                   bearing capacity.                                                                                                                                                                                                                TANKING:                                                                                                    ROOF FRAMING:
                                                                                                                                                      Construction joints shall be scabbled and cleaned and
                                   STARTER BARS :                                                                                                     coated with a neat cement/water slurry immediately prior                                                      TANKING SYSTEMS - GENERALLY:                                                                                SARKING - GENERALLY :
                                   Strip footing tie bars (starters) are required to be cranked and                                                   to                                                                                                            For clarity tanking systems are any membrane with the                                                       Use a Reflective Building Membrane under all roof
                                   cast into footing beam 250mm min at 400mm max. crs. Turn                                                           concrete placement.                                                                                           primary purpose to prevent damp or moisture movement                                                        claddings. Sarking must comply with AS 1530.2 and
                                   down into the slab 450mm min 35 clr cvr.                                                                                                                                                                                         within a structure. They include Waterproofing, DPC’s and                                                   have a flammability index equal to or less than 5
                                                                                                                                                      All concrete shall be mechanically vibrated avoiding                                                          Vapour Barriers. Systems must comply with AS/NZS 4200,                                                      and provide sarking below all roofed areas.
                                   DRAINAGE PIPES:                                                                                                    segregation.                                                                                                  AS/NZS 4858, the BCA 3.8.1.4 and manufacturers literature.                                                  Provide Anti-ponding boards to tiled roofs.
                                   Horizontal drainage pipe runs must not penetrate beams unless                                                                                                                                                                    Allow to install tanking/waterproofing systems as noted on                                                  Terminate sarking 50mm into gutter. Fix sarking in
                                                                                                                                                      Concrete shall be cured for a minimum of 7 days by a                                                          the drawings, in accordance with section F1, & F2.2 of the                                                  accord. manuf. specifications between roof
                                                                                                                                                      method approved in writing by the engineer.                                                                   BCA.                                                                                                        framing and batten. (Ensure 40mm min. sag
                                   SITE PREPARATION:                                                                                                                                                                                                                                                                                                                            between framing members). Fit additional Added
                                                                                                                                                      Conduits, Pipes, etc must not be placed in the location                                                       WATERPROOFING - WET AREAS:                                                                                  Insulation as required by the BCA.
                                   NATURAL CONDITIONS :                                                                                               of concrete cover. Penetrations, holes, recesses, chases,                                                     Install 6.0mm “Hardies floor underlay system” over the
                                   In accordance with QBCC policy for subsidence the builder is                                                       embedments or construction joints, other than those                                                           structural floor sheeting in wet areas to manuf. Written                                                    SARKING - METAL ROOF (FOIL) :
                                   required to inspect the area surrounding the site to identify any                                                  shown on the                                                                                                  spec. Waterproof the underlay using epoxy system to A.S.                                                    Use a Reflective Building Membrane in TRUSSED
                                   natural conditions and features (drains, low points, gullies) that                                                 Engineering drawings, are NOT allowed unless approved in                                                      3740. Provide mortar tile bed with fall/s 1:90 to C.P. floor                                                AREAS ONLY. Allow to use “AIR-CELL Retrosheild"
                                   may have potential for concentrating overland flow of surface                                                      writing                                                                                                       waste where shown.                                                                                          roof sarking fixed between roof framing members
                                   water. Any such potential must be conveyed to the Engineer for                                                     by the Engineer.                                                                                                                                                                                                          and batten. Terminate 50mm into gutter. Fix in
                                   further analysis. Prior to any excavation or construction the                                                                                                                                                                    WATERPROOFING - SHOWER AREAS :                                                                              accordance with the manufacturers specifications.
                                   Principal Contractor is required to contact the relevant local                                                     Formwork shall comply with AS 3610 “Formwork of                                                               In shower cubicles provide copper or SS tray or class 1 WP
                                   authority for flood information and possible minimum floor level                                                   Concrete” and all relevant Construction Safety                                                                membrane over floor underlay system. Waterproof shower
                                   requirements.                                                                                                      Legislation. Unless                                                                                           areas in accord. A.S.3740. Provide mortar tile bed. Ensure
                                                                                                                                                      noted otherwise finishes shall be Class 2. Generally                                                          fall 1:80 to 65mm Ø C.P. floor waste. Waterproof entire
                                   QBCC HOME WARRANTY INSURANCE :                                                                                     Formwork for                                                                                                  shower cubicle using epoxy system to A.S. 3740.
                                   The Principal Contractor’s attention is drawn to the QBCC policy                                                   suspended slabs shall remain in position for 14 days after
                                   on                                                                                                                 placement. Eased and back-propped for 28 days. In all                                                         VAPOUR BARRIER:
                                   Subsidence which requires a RPEQ Engineer to be briefed by the                                                     cases                                                                                                         Provide vapour barriers under all slabs in accord AS/NZ
                                   builder to assess the site soil conditions for class 1 buildings. The                                              minimum formwork stripping times shall be in accordance                                                       4200.1. Vapour barrier/s (damp-proofing membrane) must
                                   Principal Contractor is required to implement QBCC warranty                                                        with                                                                                                          comply with 3.2.2.6 of the BCA and AS 2870. UNO use
                                   insurance and comply with QBCC policy. The briefing form                                                           Table 5.4.1 of AS 3600.                                                                                       '0.2mm Visqueen' with 200mm min laps taking care to face
                                   ‘ENGINEER                                                                                                                                                                                                                        the laps away from the direction of conc. placement and
                                                                                                                                                                                                                                                                    securely tape all laps and vertical service penetrations and
                                                                                                                                                                                                                                                                    punctures. The membrane is to extend down the inside
                                                                                                                                                                                                                                                                    face of the edge beams and across any strip footings to
                                                                                                                                                                                                                                                                    the external perimeter of the building.

                                                                                                                                                                                                                                                                                                                                                        No.                     Description                                          Date
                                                                                                                                                                                                                                                                                                                                                    B              Approval Issue C                                              18/11/2020                  Project number               Scale at A3
                                                                                                                                            Project                                                  Client                                                        Drawing                                                Drawn by
                                              dennishillarchitect                                                                           27 Grant Street,                                         Brown Rooster Pty                                             STRUCTURAL                                             DRH
                                                                                                                                                                                                                                                                                                                                                    C
                                                                                                                                                                                                                                                                                                                                                    D
                                                                                                                                                                                                                                                                                                                                                                   Approval Issue D
                                                                                                                                                                                                                                                                                                                                                                   Approval Issue E
                                                                                                                                                                                                                                                                                                                                                                                                                                 04/12/2020
                                                                                                                                                                                                                                                                                                                                                                                                                                 10/12/2020
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                                                  www.dennishillarchitect.com
                                                                                                                                                                                                                                                                                                                                                    E
                                                                                                                                                                                                                                                                                                                                                    F
                                                                                                                                                                                                                                                                                                                                                                   Approval Issue G
                                                                                                                                                                                                                                                                                                                                                                   Approval Issue H
                                                                                                                                                                                                                                                                                                                                                                                                                                 19/03/2021
                                                                                                                                                                                                                                                                                                                                                                                                                                 27/04/2021                                            BA.090
Do not scale from drawings. Dimensions are to be checked on site prior to commencement of work. Discrepancies to be brought to the attention of the author. Any dimensions not nominated must be referred to the Architect for confirmation. The concepts and information contained in this document are the copyright of Architect. Use or copying of the document in whole or in part without the written permission of the Architect constitutes an infringement of copyright.   27/04/2021 3:30:09 PM