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20181085-ASC14 - Engineering Drawings
Attached to the e-mail Operational Works Application OPW20/0114 - Email 4 of 4 -Engineering Certificate - Engineering Drawings - QCAT Appeal - 4 Portside Crt, Noosaville.
1 - GENERAL NOTES: 5 - REINFORCED CONCRETE:
1.0 These drawings shall be read in conjunction with HR Design Group specification and 5.0 All work shall be in accordance with all current Australian Standards as a MINIMUM
certification, all architectural and other consultants drawings and specifications. work standard.
Any discrepancies shall be referred to the architect or project manager for a
decision before proceeding with the work. 5.1 Concrete shall have a characteristic compressive strength after 28 days of not less
than that listed below for the various concrete elements UNO.:
1.1 Dimensions SHALL NOT be obtained by scaling off the drawings. i) FOOTINGS - 25 MPa
1.2 All dimensions shall be checked by Builder prior to commencement of works. ii) INTERIOR GROUND SLABS - 25 MPa
iii) EXTERIOR GROUND SLABS - 32 MPa
1.3 Prior to the commencement of construction the Builder shall check and iv) BLOCKWORK CORE FILL - 20 MPa
co-ordinate with the Architect and other consultants all steps, falls, rebates, v) SUSPENDED SLABS - 40 MPa
setdowns, chases and penetrations. Any discrepancies with our drawings shall
be referred to us for clarification and/or revision. Under no circumstances 5.2 Minimum clear cover to reinforcing bar shall be in accordance with the following table. However
shall the Builder proceed with the works until all discrepancies have been cover to reinforcing noted on the plans shall take precedence over those stated in the table.
satisfactorily resolved. i) FOOTINGS - 50mm TO ALL SIDES
ii) INTERIOR GROUND SLABS - 30mm TOP & BOTTOM
1.4 All workmanship and materials shall be in accordance with the relevant Australian iii) EXTERIOR GROUND SLABS - 45mm TOP & BOTTOM
Standards, the BCA and local council regulations.
5.3 All concrete shall be mechanically vibrated. Vibrator shall not be used to spread
1.5 The contractor shall be responsible for the maintaining the structure and adjacent concrete.
structures in a stable condition, ensuring no part is overstressed during the works.
5.4 All concrete surfaces shall be cured using an approved method for seven (7) days
immediately after concrete is hard. Confirm method of curing with Engineer prior to
2 - SAFETY RISK & HAZARDS use. Following concrete placement and as required during the finishing process,
aliphatic alcohol or approved curing compound shall be applied to exposed surfaces
2.0 It is essential that an adequate safety plan is prepared by the contractor for the to limit moisture loss from the fresh concrete.
works. HR Design Group may not be aware of all safety risks and hazards involved
in this project and the absence of comment does not imply that there are no 5.5 Sizes of concrete elements do not include thickness of applied finishes.
risks or hazards.
5.6 Construction joints where not shown shall be located to the Engineer's approval.
5.7 No holes, chases, blockouts, ducts or embedment of pipes other than those shown
3 - LOADINGS: on the structural drawings shall be made in concrete members without prior approval
of the Engineer.
3.0 The structural work as shown on these drawings has been designed for the following
cases : 5.8 No additives shall be added or applied to the concrete mix without the approval of
i) General floor live load of 1.5 kPa uniform distributed load the Engineer.
ii) General floor live load of 1.8 kN point load
5.9 All steel reinforcement in concrete elements shall be inspected by the Engineer and
iii) Balcony and stair floor live load of 2.0 kPa uniform distributed load passed prior to pouring of any concrete.
3.1 Load combinations have been calculated in accordance with AS1170.1 requirements. 5.10 All reinforcement shall be supported on plastic chairs, generally at not greater than
800mm centres in both directions. Bars shall be tied at alternate intersections.
Conduits, pipes etc ... shall not be placed in the cover of the concrete.
4 - STRUCTURAL STEEL:
5.11 All reinforcement shall comply with the requirements of the relevant Australian
4.0 All steelwork shall be constructed in accordance with code of practice AS4100 Steel Structures Standards.
Code, AS1554, AS1163, AS3679, AS4600 and all other codes of practice referred to therein.
5.12 Concrete to have a maximum aggregate size of 20mm with 80mm maximum slump
4.1 Steel quality shall conform with the following Australian Standards UNO:
and a water/cement ratio of not greater than 0.65.
- Steel Plates & Sections AS3679 Grade 300
- Rectangular Hollow Sections AS1163 Grade C350 LO 5.13 The maximum permissible transport time for concrete between batching and placement
- Circular Hollow Sections AS1163 Grade C350 on site shall be in accordance with the following table.
- Square Hollow Sections AS1163 Grade C350
- Purlins/Girts AS1397 Grade G450 Z350 AMBIENT AIR MAX. BATCHING TO
TEMPERATURE PLACEMENT TIME
4.2 Unless noted otherwise all welds shall be 6mm continuous fillet E41XX electrode, 10° - 24°C 120 minutes
all bolts M16 4.6/S, all plates 10mm thick. 25° - 27°C 90 minutes
28° - 30°C 60 minutes
4.3 Unless noted otherwise, bolt holes shall be 2mm greater than specified bolt size.
31° - 33°C 45 minutes
4.4 The steelwork sub-contractor's shop drawings shall be submitted to the Engineer for 34° - 36°C 30 minutes
review before fabrication commences. 37°C+ No placement of concrete
unless chilled water or ice in mix
4.5 Fabricator to check all dimensions on site with contractor.
5.14 A leveling sand layer (50mm minimum in thickness) shall be placed under slab on
4.6 Internal steelwork shall be blast cleaned to class 1 and coated with minimum 100µm high
ground. The sand shall be salt free and compacted to 65% Density Index.
build Alkyd primer before erection. External steelwork shall be blast cleaned to class 2.5
and hot dipped galvanised to AS4680 with a coating mass of 600g/m2 (average). 5.15 A vapour barrier (200µm thick polythene sheet) shall be placed beneath the slab on
ground so that the ground surface under the slab and thickenings is entirely covered in
4.7 The structural steel framework and bracing members shown on the plans are those
accordance with AS3610 and AS2870.
required in the design for the completed structure only and the contractor shall be
responsible for providing any necessary temporary connections, supports and bracing 5.16 Slab fabric shall be lapped one full panel of fabric plus 25mm so that the two
during the erection process to maintain the stability and safety of the steelwork outermost transverse wires of one sheet overlap the two outermost transverse wires of
throughout construction. the sheet being lapped by 25mm.
4.8 Encased steelwork shall not be painted and shall be wrapped with F41 fabric, 50 cover. 5.17 Where brittle floor coverings such as ceramic tile shall be used, an additional layer of
SL62 Mesh shall be added to the existing slab reinforcement. If no extra reinforcement
4.9 The steel fabricator shall provide all bolts necessary for the erection of the steelwork
is added covering should be delayed until 90 days after the slab has been placed.
and bolt holes and cleats necessary for the erection of timber works as shown, noted
or implied on these drawings or architects drawings and specification. 5.18 Where service pipes penetrate the floor and or walls provision should be made for
movement of the floor/walls.
4.10 The roof structure has been designed for normal roof loads only and does not allow
for any extraneous loads such as hoists, monorails etc ... except where shown on 5.19 All concrete shall be sampled and tested in accordance with AS 3600 adopting project
drawings. assessment method for compressive strength and slump compliance. The results of all
tests shall be promptly submitted to the Engineer for review.
4.11 When shop splices are necessary in beams, the position of the splice shall be
approved by the Engineer. 5.20 Diagonal reinforcement shall be placed at all re-entrant corners. 2/N12 or 3-L11TM
4.12 Provide protective coating on all steelwork partially embedded in concrete UNO. The 1500mm Min. long. Typical.
coating should be non-conductive and extend a minimum of 200mm into the concrete 5.21 The edge rebate shall be flashed and drained by weep holes at not more than 1m
in accordance with AS2312-2002 and a minimum of 100mm above the concrete. spacing. Weep holes shall be located above the finished ground level any
portion of a deepened rebate that cannot be drained shall be mortar filled.
5.22 Approved steel reinforcement systems may be used in lieu of that stated on our plans
(eg. Aquila steel "L" cage, Neumans F652 fabric etc ... ), provided the overall size of
the footings and ground slab as detailed by us remains the same.
5.23 All props and formwork under suspended concrete shall be removed before construction
of brickwork or blockwork above UNO.
Issue Made By Date Description PROPOSED NEW JETTY Scale : N.T.S. NOTES:
A BDK 18/06/20 Issue for construction
at No.1/4 PORTSIDE COURT, NOOSAVILLE
REVISION
Job No.: 20-0274 1. Do not scale drawings.
2. Scale is correct at A3.
BUILDER: PONTOON WORKS
Dwg No.: S01 3. Check and verify all dimensions
Designed By : B.R. CROMAR BEng (Civil) MIEAust CPEng RPEQ NER Drawn By : BDK Date : 18/06/20 prior to commencement of work.
Certified By : B.R. CROMAR BEng (Civil) MIEAust CPEng RPEQ NER Date : 18/06/20 Ph: (07) 5444 5578 Email: [email protected] GENERAL NOTES
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