Construction Industry Glossary

Building Regulations

A building standard which is met and approved by either your local authority or an approved building control inspector. These on site inspections are made at different intervals throughout the build to ensure quality control.

Certificate of Lawfulness

A certificate (also known by the council as a 192 application) is released within six to eight weeks to show that the preliminary drawings have complied with the current laws imposed by government. These laws are standard and cannot be  over-ruled by the individual council. They only make sure the guidelines are adhered to and once approved, protect the client in the event of a future sale of the property.

Demolition

To break down a certain area of construction, according to Health and Safely regulations and with a completed method statement. Once into waste and rubble, it will be removed from site and where possible, will be recycled.

Floor Structure

Normally constructed from 75 mm x 50 mm sawn dried timber at 400 mm centres and adequate amount of nogins. This provides a strong platform for first floor extensions and loft conversions. The size of timber used is designed and stated on the preliminary drawings for every individual customer. All the timber Marble Construction use is from a sustainable forest.

Party wall

The adjoining/shared wall or line between two properties’ boundaries.

Planning Permission

”Permission” that is given within eight weeks from your local authority to grant the proposed ideas shown on the preliminary drawings.

Preliminary Drawings

To prepare full plans and calculations for the proposed building work that is to be undertaken, to include obtaining planning permission or certificate of lawfulness applications from your local authorities. This stage also takes into consideration the existing structure of the building.

Scaffolding

Approved companies only, will visit the site at an appointed time and erect the scaffolding where necessary. All is done in compliance with Health and Safety regulations.

Skips

If a licence is required to place a skip on a public road, Marble Construction will arrange this at no extra cost ensuring we have the right permits in place.

Steel Works

RSJ’s (Rolled Steel Joists) are designed and cut by our local manufacturer ensuring a perfect fit for every individual job.

For loft conversions,  steels are cut to the required length and installed via a crane up through the roof.  The steels  are then connected to additional steel plates located in the outside walls of the property.

For Extensions, steels are cut to size and bolted into the new foundations previously laid. We then use a chemical resin that also bonds the steel and foundations together. This is not needed to comply with Building Regulations, so many companies don’t do this, but it is the safest method and the highest standard of construction we can build to.  This is left for 48 hours to set.

For a knock through between two rooms, either a concrete lintel or a steel RSJ is used depending on the span of the opening. If an RSJ is used, adjustable steel props (ACRO props) would be temporarily installed whilst two brick pillars would be erected to take the weight of the new RSJ down to the foundations of the existing structure.

UPVc Windows and doors

Manufactured by our long term relationship window company. We have worked with them since 2002 and can’t find a better window manufacturer to work with. They provide a choice of timber, aluminum or UPVc, generally double glazed with low E glass to prevent thermal transfer. They build and deliver the best quality windows at a very reasonable price. All are made to measure and have many designs and choices to choose from.