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Hadley's Sustainable Approach Continues in Bristol

After acquiring our first Bristol site just before Christmas, we have entered the design phase of a mixed-use scheme which will be built using Cross-Laminated Timber
Published Tue 21 Mar 2017

Teaming our own sustainability credentials with Bristol's own reputation as a green city, Hadley have instructed Feilden Clegg Bradley and Buro Happold, architects and engineers both based close to the site, and given them a very specific sustainability brief - to deliver a design-led scheme, built in Cross-Laminated Timber. This will enable a development which will be as close to carbon neutral in its construction and delivery processes as possible.

For those unfamiliar with the changing face of the construction industry, CLT is a prefabricated panel used to form environmentally sustainable structural walls, floors and roofs. It is produced by stacking layers of timber together at 90 degrees to the layer below, glued together to form structural panels of up to 22m in length and 3.5m in width. Panels are manufactured off site in a factory, providing accuracy and a fast production time. Constructing the panels this way improves construction and delivery time, reduces costs and maximises efficiency.

Use of CLT results in a significant reduction in the overall self-weight of the structure, which often leads to lower groundwork costs. The early provision of a watertight structure then allows trades to commence earlier on site.

One of the benefits to using CLT is the significant reductions it allows in construction programmes. Panels are installed without the need for wet trades, with the aid of cranes and lightweight power tools, whilst site storage is reduced through ‘just-in-time' delivery scheduling.

Some Key CLT Facts:

  • Can be used to replace structural Concrete, masonry or steel
  • It’s a truly renewable resource which sequesters carbon during growth
  • Construction is faster than traditional methods, and other services can begin on site during panel installation.
  • It reduces construction costs – in addition to reducing cost due to reduced programme periods, CLT, being made of timber, is a simple material to fix and coordinate on site
  • Lightweight panels allow for a reduction in the size of foundations
  • Reduced concrete equates to reduced embodied energy
  • Noise and dust associated with traditional construction methods can be avoided
  • It requires only limited site skills
  • Dry construction prevents moisture seeping into the building
  • Prefabrication reduces the quantity of on-site waste