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‘The Pavilion’ – Monash University Business School

Client

Monash University

Architect

NH Architecture

Location

Building H, 888 Dandenong Road, Caulfield East, Victoria Australia

Awards

2018 Australian Institute of Building

Certificate of High Commendation Commercial Construction

Head contractor

Kane Construction

Structural engineer

Bollinger Grohmann Engineers

Building methodology

Mass Timber: CLT & GLT
XLAM CLT & GLT


Responding to the inability to work with traditional materials to create a vertical extension due to weight restrictions, XLAM worked alongside the project stakeholders to provide a comparatively light-weight solution by using XLAM CLT panels.

About the project

The Pavilion is an award-winning project that marked the first ever Australian University building to get a vertical extension using XLAM Cross Laminated Timber (XLAM CLT). Australia’s largest university, Monash University, sought to extend and refurbish an existing education facility exclusively for post-graduate and executive students.

The scope of the project required XLAM to facilitate a full refurbishment of Levels 8, 9 and 10 and provided a vertical extension of Monash University’s Building H at the Caulfield Campus for a total works of 5,000m2. The vertical extension, located on the existing level 8 concrete terrace, was made possible by the lightweight aspect of mass timber as compared to a traditional steel/concrete structure. The architects, NH Architecture, along with Monash University, also chose to express the natural beauty of XLAM CLT in the hallways, pre-function areas and the stair well by sanding and sealing the timber.

The new structure is expressed boldly with textured, gold zinc cladding to all sides and showcases spectacular 300-degree views from the Mornington Peninsula out to the Dandenong Mountain range, including front row seats to the Melbourne skyline.

Outcome

Through the combined effort with project stakeholders, XLAM was able to deliver an advanced, award-winning solution for their client in a practical and symbolic sense.

    • Environmentally conscious construction using XLAM CLT and Hyne GLT
    • Reduction in carbon emissions, sustainable timber stores CO2, creating a lower carbon footprint than concrete and steel
    • Monash University inspired by XLAM CLT to incorporate a net zero carbon policy into their building framework moving forward
    • Due to cross lamination, XLAM CLT and GLT structural elements are strong and safe while also being lighter – perfect for vertical extensions to existing buildings
    • XLAM CLT enabled DfMA and Off-site manufacturing for increased construction speed
    • Use of XLAM AirStairs prefabricated from CLT are time efficient and easy to install supporting rapid construction
    • Awarded the 2018 Australian Institute of Building (Victorian Chapter), Certificate of High Commendation Commercial Construction $5M- $25M

Structural system

The challenge of a vertical extension onto Level 8’s pre-existing concrete slab terrace, was its inability to support an additional load from a traditional steel and concrete structure.

To overcome the weight challenge, a steel grillage was used to transfer the lightweight XLAM CLT structure directly onto the columns below. The high load floor in the free-standing function pavilion uses a 175mm thick 5-layer XLAM CLT panel. While all remaining floors consist of 5-layer 145mm panels, with all roof panels using 5-layer 130mm panels. Over 10m high, full height panels were used for the three-story stair walls, with these being erected prior to lowering in the landings and XLAM AirStairs.

Large glue laminated (GLT) beams that span the 11m over the function pavilion and carry the load of the raking XLAM roof, were constructed from Tasmanian Oak hardwood and were manufactured and supplied by Hyne Timber.

In total, over 150 CLT panels, constructed from untreated radiata pine boards, were used throughout this project to add the free-standing function pavilion, two interconnecting stair wells and new education facilities to the existing building.

Original Image

220m3

XLAM CLT

160 tonnes

CO2 sequestered

=80 cars

taken off the road for a year

PEFC

Certified Timber

150

CLT panels

40 mins

for Australian plantations to regrow the timber used in construction

1,000+ projects completed across sectors including

aged care.

commercial.

residential.

industrial.

education.

New Shoots ECEC Greenhithe

Client

New Shoots

Architect

Copeland Associates Architects

Location

Greenhithe, Auckland, NZ

Awards

Winner, Designers Inst of NZ Best Design Award

Head contractor

Peak Construction

Structural engineer

Calibre Consulting Limited

Fire engineer

Cosgroves

Building methodology

Mass Timber: XLAM CLT


XLAM provided CLT to enable an award-winning, lightweight structure on a challenging site with a tight construction programme. Internally, exposed XLAM CLT strengthens the connection to nature for the children.

About the project

Newshoots are an established provider of Early Childhood Education and have successfully developed several centres that they continue to operate across NZ.

The Greenhithe centre reflects the New Shoots philosophy of creating state-of-the-art early childhood education centres offering quality childcare, day-care and preschool. The building was designed to accommodate 100 children in a setting that embraces a connection to nature. The connection to nature was strengthened by the careful selection of materials, including the exposed use of XLAM CLT panels.

XLAM manufactured and supplied the structural cross-laminated timber panels that, sanded, sealed and left exposed on internal walls and ceilings, created a soft internal timber backdrop for the bespoke structure. Use of XLAM CLT along with an innovative design enabled successful development of a challenging site that had long been neglected due to the undulating topography making traditional building methodologies unsuitable. Through our ESI approach, XLAM provided advice and support through the project lifecycle, sharing our mass timber expertise to contribute to the success of the project.

Outcome

The project was awarded the Designers Institute of New Zealand Best Design Awards Winner (Healthcare & Wellbeing) 2021. XLAM supplied a total of 105m3 of XLAM CLT to the project along with shop drawings, logistics, technical advice and support. XLAM supported the successful completion of the project and the use of XLAM CLT enabled the project team to meet key project drivers including;

    • XUse of XLAM CLT as an environmentally sustainable construction material
    • Lightweight and strong, structural XLAM CLT enabled development of a challenging site in a hybrid construction approach
    • XLAM ESI supported the use of CLT in the project enabling stakeholders to draw on our mass timber expertise
    • Reduction in carbon emissions for the project
    • Reduction in waste and the volume of material on site
    • Pre-fabrication of XLAM CLT reduced the length of the construction programme
    • Detailed design, shop drawings and prefabrication of
    • XLAM CLT completed concurrently with the construction of foundations on site to reduce construction programme
    • Exposed timber enhanced the connection to nature for children at the centre
    • Selected XLAM CLT was sanded, sealed post installation and left exposed to enhance the connection to nature for children at the centre

Design and structure

The site had challenging contours and obstructions that needed to be addressed in the design and construction. The site was split in two by a stream and was overgrown and neglected.

Embracing off-site construction and a hybrid approach utilising XLAM CLT, concrete and steel, Copeland Associate Architects successfully enabled New Shoots to develop and occupy the site that many others had thought unusable. The brief focussed on creating a nature-centric design that overcame the challenges of the site while meeting a tight project programme and integrating sustainable construction practices.

The finished development includes an elevated timber bridge that crosses a rejuvenated wetland and a collection of three pods that are arranged to form a triangular courtyard covered by a translucent veranda.

The superstructure consists of XLAM CLT and steel frames. Due to the undulating site topography, two of the buildings were constructed on suspended concrete slabs with timber pole foundations while the other has a concrete raft on grade. The design accommodated services that are discretely and carefully organised in each building to work in harmony with the solid XLAM CLT structural panels.

The integration of lightweight XLAM CLT elements was a key consideration in the overall structural scheme to enable development of the site. Prefabrication of the XLAM CLT and Steel reduced the length of the construction programme on site and maximised construction efficiencies. XLAM prefabrication of CLT significantly reduced the amount of construction materials, time and waste for the development.

While there were lead times needed for the design, shop drawings and prefabrication of the XLAM CLT and steel this dovetailed with the construction period for the foundations, saving time in the overall construction programme.

Original Image

105m3

XLAM CLT

75 tonnes

CO2 sequestered

=38 cars

taken off the road for a year

PEFC

Certified timber

19 mins

for Australian plantations to regrow the timber used in construction

1,000+ projects completed across sectors including

aged care.

commercial.

residential.

industrial.

education.

Oakleigh South, Victoria, Australia

Client

Hume Childcare Trust

Architect

Insite Architects

Location

Oakleigh South, Victoria, Australia

Awards

MBA Victoria Best Sustainable Project

Head contractor

Atelier Projects

Structural engineer

VISTEK

Building methodology

Mass Timber: XLAM CLT


Responding to the client’s need for a fasttracked construction period and biophilic design, XLAM supported the head contractor and architect by carefully orchestrating the sequencing, shop drawings and manufacturing of 310m3 of XLAM CLT (Cross Laminated Timber) panels.

About the project

The Oakleigh South Childcare Centre is a perfect example of how mass timber fits the needs of the education sector. Predominately constructed using XLAM CLT, the natural timber aesthetic in this biophilic interior is ideal for supporting the wellbeing and development of young children.

The tangible benefits observed by the client through the use of XLAM CLT included; lighter building on site through factory prefabrication, and a smaller site-construction team. The offsite prefabircation by XLAM allowed for a faster assembly, which in turn compressed the structural building program to less than two weeks; allowing for earlier occupancy and shorter-term financing requirements.

As a benefit of Mass Timber Construction, the build had improved sustainability factors, which included; 221 tonnes of CO2 sequestered from the atmosphere, almost zero waste on site, as well as a reduction in the environmental impact through minimised foundation works due to the lightweight nature of

XLAM CLT. As a result, the project was awarded the Best Sustainable Project 2018 by the Master Builders Association of Victoria.

Outcome

Using XLAM CLT met the key projects requirements of the client.

    • XLAM CLT and DfMA expertise enabled efficent construction
    • XLAM CLT and prefabrication facilitated the client’s desire to have a fast-tracked build
    • XLAM CLT supported biophilic design for occupant wellbeing improving physical and emotional wellbeing
    • Environmentally conscious construction using XLAM CLT
    • Reduction in carbon emissions, sustainable timber used in XLAM CLT stores CO2, creating a lower carbon footprint than concrete and steel
    • Project won the Best Sustainable Project 2018 by the Master Builders Association of Victoria

310m3

XLAM CLT

221 tonnes

CO2 sequestered

=111 cars

taken off the road for a year

Design and structure

XLAM were engaged to provide shop drawings, construction sequencing, as well as manufacturing XLAM CLT walls and a roof structure for the purpose built childcare centre. Key drivers for the client were both an expedited construction phase, andan outcome that incorporated a timber aesthetic in order to capitalise on the known wellbeing benefits of biophilic design.

Consisting of eight individual age-based educational rooms, a parents’ retreat, reception, office area, as well as a full commercial kitchen and laundry, the centre required approximately 310m3 of XLAM CLT for the walls and roof structure.

To meet the tight construction schedule, the logistics of this project required careful consideration and management. Utilising our DfMA experience XLAM ensured that the CLT panels were produced with 100% accuracy. We then applied our logistics expertise to sequence, despatch and deliver the panels to site.

XLAM enabled the project to adhere to a construction schedule that compressed the structural building program into less than two weeks.

The walls of the centre, including the external envelope, room partition walls and high corridor walls use 105mm thick XLAM CLT. Whereas the XLAM CLT used for the roof varied between 105mm to 150mmthick, depending on the span. All XLAM CLT panels used in the project were constructed from untreated radiata pine boards. In total, 257 individually prefabricated CLT panels were installed, with the structure complete in just eleven days. Exposed XLAM CLT was sanded and sealed post installation.

Declare

Red List Compliant

55 mins

for Australian plantations to regrow the timber used in construction

1,000+ projects completed across sectors including

aged care.

commercial.

residential.

industrial.

education.

University of Tasmania Inveresk Student Residences

Client

University of Tasmania

Architect

Consortium led by Morrison and Breytenbach Architects

Location

Invermay Road, Inveresk TAS

Awards

ATDA Engineered Timber Products Awards

Head contractor

Hutchinson Builders

Structural engineer

Aldanmark Consulting Engineers

Building methodology

Mass Timber: XLAM CLT


Faced with a strict deadline and difficult site conditions, XLAM worked with project stakeholders to provide a lightweight and time efficient solution: XLAM CLT. Using XLAM CLT enabled the construction schedule to be met despite the challenging site conditions caused by the 18-metre-deep silt riverbank.

About the project

The University’s National Rental Affordability Scheme apartments at Inveresk is Tasmania’s first ever multi-storey mass timber residential development. Located on the banks of the North Esk River beside the University’s Inveresk campus, the development comprises of 120 apartments across two three-storey buildings, connected by common social spaces, external landings, and stairs.

XLAM was contracted to supply XLAM CLT and XLAM AirStairs for this project after the University’s Centre for Sustainable Architecture with Wood (CSAW) identified sustainability as a key project objective.

Through the extensive use of timber by replacing less environmentally friendly material such as concrete and steel with XLAM CLT and Laminated Veneer Lumber (LVL) support structures, the University was able to achieve the sustainability goals set for the building. The relatively lightweight nature of timber also made it the most suitable material to combat the challenging site condition of the prevailing 18-metre-deep silt riverbank.

This resourceful approach to sustainable prefabricated student apartments received considerable recognition and went on to win the 2016 ATDA Engineered Timber Products Award for an innovative system of sustainable design.

Outcome

Supplying CLT for the University of Tasmania Inveresk Student Residences, XLAM were able to demonstrate the benefits and efficiences of DfMA and prefabrication for large scale mass timber construction projects.

The award winning mass timber design using XLAM CLT and XLAM AirStairs met all key project drivers including;

    • Sustainable construction
    • Rapid construction using DfMA
    • Construction efficiency and reduced programme duration
    • Demountable for Future Re-Use
    • Reduced foundation requirements for soft ground
    • Biophilic design for improved occupant wellbeing
    • Embodied carbon saving
    • XLAM AirStairs time efficient and easy to install

Prefabricated volume modules and CLT connecting floors and walkways, working in combination, were deemed to be the most suitable light weight construction for the prevailing 18m deep silt riverbank site conditions and, in conjunction with the speed of prefabricated construction, were instrumental in making the project feasible.”

David Bylund, UTAS School of Architecture and Design

Design and structure

To improve construction speed to meet the project deadline, the XLAM design team and Hutchinson Builders developed a prefabrication enterprise close to the construction site. Here the modular XLAM CLT apartments were fully framed, clad, and fitted out in an assembly line process, then delivered to site, stacked, and connected.

This simultaneous production of multiple components of the building, greatly reduced construction times and removed the need for scaffolding.

XLAM CLT panels were used for the common room floors, which in turn became the ceilings of the common rooms below, as well as for the walkways interconnecting the apartments and the XLAM AirStairs. XLAM CLT was sanded and sealed post installation and left exposed on the underside of ceilings and in the stairways and common rooms, to elicit the natural warmth and comfort inherently found in timber.

Due to the unique fire characteristics of XLAM CLT, it was also used as the floor material for all escape routes. The 200mm thick floor panels comprise five layers of Radiata pine lamella and are designed to accommodate substantial fire resistance, which unlike steel remains structurally stable when subjected to high temperatures.

Weighing approximately 20% of concrete, XLAM CLT alleviated the challenge of the prevailing 18-metre-deep silt riverbank through reducing the foundation loads and distribution requirements. The flexible nature of XLAM CLT modular projects also allows for most components of the building to be dismantled. For instance, the selfcontained modular apartments, modular roof, and wall screen elements can be disassembled and reused in another location.

Original Image

150m3

XLAM CLT

110 tonnes

CO2 sequestered

=55 cars

taken off the road for a year

The XLAM AirStairs took a fraction of the erection time we expect for precast concrete stairs. If I had realised how quick it would be we would have dispensed with the temporary stair. Please convey my thanks to Mike and Sam at XLAM for their help and support.”

Nick Scott, Hutchinson Project Manager

Outcome

80%

Lighter than concrete

27 mins

for Australian plantations to regrow the timber used in construction

1,000+ projects completed across sectors including

aged care.

commercial.

residential.

industrial.

education.