Design Catalogue 2015

39



40



41



42



43



44



45



46



47



48



49

Selected roofing

SECTION A

Scale 1:5

NOTE Soffit
Apron flashing leg to be 130mm min. long for low or medium wind zones
where roof pitch is 10° or greater or 200mm min long for high or very high
wind zones and where roof pitch is less than 10° for all wind zones.

Powder-coated steel flashing, top
fall edge into mastic sealant

Apron upstand behind embedded
flashing

10mm compressed sheet on
continuous DPM

End of spouting must finish 10mm
clear of wall panel

Apron flashing with tapered
stopend.

Selected spouting
Facia board

220



51



52



53



54



55



56



57



58



59



60



61



62

14.0 Appendix

Typical Specification

(Contact Litecrete for adaptable Word version)

LITECRETE LIGHTWEIGHT PRECAST CONCRETE:
MANUFACTURE & SUPPLY

1.1 PRELIMINARY
Refer to the Preliminaries and General Clauses, which are equally binding on all trades.

1.2 SCOPE
This section of the contract consists of:
1.2.1 The provision of Litecrete lightweight concrete panels.
1.2.2 Supply of full shop drawings for approval, detailing the installation.

2.0 GENERAL

2.1 WORKMANSHIP:
All work shall be carried out by skilled tradesmen using adequate and proper equipment and methods, in accordance with
best trade practice, the manufacturer’s instructions and recommendations and shall be of the best description, to the
satisfaction of the Architect and product manufacturer.

2.2 MANUFACTURER’S DOCUMENTS
Copies of the above literature are available by phoning:

Litecrete (NZ) Ltd, telephone (09) 295 1051.

Requirements

2.3 SHOP DRAWINGS
Provide details showing but not limited to:
- size and spacing of reinforcement
- position and layout of lifting eyes
- details of panel edges
- layout of form tie holes where exposed to view
- form surfaces for each finish specified.

2.4 PRODUCER STATEMENT - DESIGN
Provide a producer statement from a suitably qualified person for:
- lifting eye layout and panel reinforcement for construction and erection loading

2.5 PRODUCER STATEMENT - CONSTRUCTION
Provide a producer statement from a suitably qualified person for:
- supply and/or installation of precast items

2.6 PANEL SURFACE
Confirm method of obtaining a casting surface for the precast panels and a consistency of colour and surface finish on each
side of the panels. Refer to 4. SCHEDULES for surface finishes.

2.7 SAMPLE PANELS
Provide 1 metre x 1 metre panels of the following specified finishes. Samples to be the same thickness and made using the
same manufacturing parameters as for the lightweight precast panels. Refer to 4. SCHEDULES for sample panel
requirements.

2.8 QUALIFICATION, OFF SITE WORK
Use only precast concrete workers skilled and experienced in form making, casting, transportation and erection of precast
items.

www.litecretesystems.co.nz © Copyright 2015 63

Performance

2.9 PROVIDE CERTIFICATES
Provide certificates and any other evidence that the finish will comply with the standard of performance specified.

3.0 PRODUCTS

3.1 Materials
2.1.1 Exterior/interior wall panels: All lightweight concrete wall panels shall be Litecrete panels as manufactured by
Litecrete (NZ) Ltd, Papakura, to approved shop drawings, and shall comprise 220/180 mm (or specified thickness)
solid lightweight concrete with steel reinforcing; one face smooth ex-mould finish, the other trowelled smooth.
Litecrete cladding panels stored on site should be stored vertically, on a level surface off the ground, and covered
for protection from other trades.
2.1.3 Lintels: All lightweight concrete lintels shall be Litecrete as manufactured by Litecrete (NZ) Ltd, Papakura, to
approved shop drawings, purpose designed to suit the specific loading requirements. Joint connections as
specified by the engineer.

3.2 Components

3.2.1 LIFTING INSERTS
Proprietary mild steel to BS 4670, grade 43A and to the requirements of 3411 STRUCTURAL STEELWORK.

3.2.2 TEMPORARY PROPPING INSERTS
Use Reid TIM 16 x 75 cast-in inserts on internal face as fixing points for temporary propping of panels.

3.2.3 CAST IN STEEL ITEMS
Manufacture to detail and to the requirements of 3411 STRUCTURAL STEELWORK. Hot dip galvanised (if
required) after manufacture to a coating weight of 600 gm/m².

3.2.4 BOND BREAKER
Specifically designed proprietary spray applied coating.

4.0 EXECUTION

Conditions

4.1 HANDLE, TRANSPORT AND STACK

Handle, transport and stack panels to ensure support that avoids distortion and stress and at the same time protects the
finished surfaces from chipping, scoring, cracking or other disfigurement.

4.2 TOLERANCES, PRECAST PANELS

Construct the panels to the following tolerances:

Panel dimension up to 3 metres 3 to 6 metres over 6 metres
Width: +0, -5 mm +0, -10 mm +0, -12 mm
Height: ± 5 mm ± 10 mm ± 10 mm
Planeness: ± 5 mm ± 5 mm ± 5 mm
Squareness: ± 5 mm ± 15 mm ± 15 mm
Edge straightness: ± 5 mm ± 7 mm ± 10 mm
Thickness: ± 5 mm ± 5 mm ± 5 mm

Set inserts to the following tolerances:

Face lifting inserts: ± 10 mm

Edge lifting inserts

- longitudinal: ± 20 mm

- thickness: ± 5 mm

Locate panels to the following tolerances:
Deviation of the panel from the specified final position in the structure: 15 mm.

www.litecretesystems.co.nz © Copyright 2015 64

Application

4.3 APPLY BOND BREAKER
Ensure the surface to be sprayed is perfectly clean and apply bond breaker to the manufacturer's stated requirements, in
two coats at right angles to each other. Apply uniformly, taking particular care at the perimeter of the panel. Do not work
over the coating before it is dry.

4.4 SECURE REINFORCEMENT
Secure adequately with tying wire and place accurately where detailed, supported and secured against displacement.

4.5 CONCRETE PLACING
Carefully place concrete in layers so that all parts of the mould are completely filled and full contact is made with the face to
give a totally uniform finish. Use approved compaction techniques with power driven vibrators to give a uniform, void-free
concrete panel.

4.6 CASTING IN ITEMS
Accurately cast in all embedded items and fixings as detailed with full compactness all round. Where bolts are to be cast in
also provide the nut (free moving on the bolt).

4.7 CURING
Confirm in writing the system to be used for curing concrete.

5.0 SCHEDULES

5.1 SURFACE FINISHES

Formed surfaces: F5

Unformed surfaces: U3

5.2 BOND BREAKER
Manufacturer: Fraser, Brown & Stratmore Ltd
Brand name: Discrete

5.3 SURFACE FINISHES Finish
Location ………………………..
…………………………

5.4 SAMPLE PANELS

Finish: …………………

LITECRETE LIGHTWEIGHT PRECAST CONCRETE:
INSTALLATION

1.0 GENERAL

Related work

1.1 RELATED SECTIONS
For supply refer to LITECRETE LIGHTWEIGHT PRECAST CONCRETE, MANUFACTURE & SUPPLY.

Documents

1.2 DOCUMENTS REFERRED TO
Documents referred to in this section are listed in

1.3 MANUFACTURER’S DOCUMENTS
Copies of the above literature are available by phoning:

Litecrete (NZ) Ltd, telephone (09) 2951051

www.litecretesystems.co.nz © Copyright 2015 65