STIC is developing and commercialising a number of timber building technologies aimed at meeting needs

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STIC is developing and commercialising a number of timber building technologies aimed at meeting the needs of Owners / Developers of commercial and industrial buildings and the Architects, Engineers, Quantity Surveyors, engineered timber fabricators and constructors involved in the design, specification and construction of these buildings.

The technologies include:

Pre-stressed Laminated Veneer Lumber (LVL) or Glue Laminated Timber (Glulam) building frames
Pre-stressed cantilevered LVL or Glulam shear walls for buildings
Low noise / vibration damped LVL or Glulam floor systems
Rapidly assembled LVL or Glulam portal frames and roofs for long span industrial buildings

Importantly, these systems are all pre-fabricated to small dimensional tolerances from homogeneous timber raw materials such as LVL and are quick and easy to assemble during site construction.

Pre-stressing is done during construction and uses conventional multi-strand steel tendons, steel bars or carbon fibre strands.

The overall benefits offered through use of the STIC building and
construction system are summarised as follows:

Item		Benefit
Constructability
Prefabricated structural timber components		Minimises on-site work Reduces total construction time High dimensional accuracy achieved with structural components No shims and packers required for accurate member fit up
Major structural elements connected via pre-stressed steel tendons		Enables rapid erection of multi-storey building frames and shear walls Removes the need to install large numbers of traditional wood fixings such as nails and screws at the intersection of major structural elements Provides a very efficient moment restraining joint Reduces total construction time Reduced total building erection cost
Comparatively lightweight LVL and Glulam timber members		Smaller on-site crane capacities required to erect building Lower crane costs
Comparatively lightweight timber floor units		Increased crane time utilisation. Crane not required for fine positional placement of floor units once lifted into approximate position
Environmental sustainability
Sequestered carbon		Timber structure has stored CO2 which off-sets the CO2 emissions associated with other building materials such as aluminium, glass, steel, concrete etc Can achieve a carbon neutral building (embodied energy)
Health and safety
Comparatively lightweight LVL and Glulam timber members and floors		Lighter members resulting in lower risk of serious injury to construction workers during construction
Building limit state load performance
Structural integrity		Building structure able to sustain a major earthquake (Richter scale 7.0 – 7.9) without structural damage and able to return to original position without permanent offset or tilt
Availability of materials
LVL		LVL is readily available in New Zealand and Australia. Key manufacturers and suppliers are Nelson Pine Industries Ltd, Carter Holt Harvey Ltd and Wesbeam Pty Ltd
Prefabricated structural members		McIntosh Timber Laminates Ltd, Hunters Ltd and Timberbuilt Pty Ltd are experienced at fabricating large structural elements from LVL to small dimensional tolerances
Building weight
Timber density of 500kg/m3 compared to concrete 2450kg/m3		Lighter building structure (timber 1/5th density of concrete) enabling smaller foundations resulting in lower cost footings Smaller foundations resulting in less time required for foundation earthworks

STIC

Sustainable Buildings of the Future

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The technologies include:

The overall benefits offered through use of the STIC building and construction system are summarised as follows:

The overall benefits offered through use of the STIC building and
construction system are summarised as follows: