What is remediation in construction?
Remediation in construction means removing or neutralising something harmful or in poor condition, such as asbestos, contaminated soil, salt-laden plaster or an ageing sewer.
What is a precast concrete sandwich facade?
A precast concrete sandwich facade is a prefabricated facade element with an inner leaf, an insulation layer and an outer leaf, cast into a single element in the factory.
What is a sandwich panel?
A sandwich panel is a building panel with two rigid outer skins and an insulating core in between. Widely used for roofs and walls of industrial buildings, barns and garden buildings.
What is saltpetre on walls?
Saltpetre is the white, powdery salt deposit on damp walls. The salt itself attracts moisture and attacks plaster, paint and joints. Causes, how to recognise it and what to do.
What is a bolster chisel?
A bolster chisel is a wide, long chisel of hardened steel, ground on one side, which a bricklayer uses to split bricks to size by striking it with a brick hammer or club hammer.
What are S-phrases?
S-phrases were the standardised safety phrases on labels of hazardous products. They have been replaced by P-statements. How to read an old and a new label.
What is the weighted sound reduction index (Rw)?
The Rw value is the weighted sound reduction index of a building element, in decibels. The higher the Rw, the better a wall, floor, door or window blocks airborne sound.
What is stainless steel?
Stainless steel is steel with at least 10.5 per cent chromium that protects itself with an invisible oxide layer. An explanation of grades 304 and 316 and where to use them.
What is the RVOI?
The RVOI was the standard Dutch set of terms governing agreements between a client and a consulting engineering firm. It has been replaced by De Nieuwe Regeling (DNR).
What is a crawler loader?
A crawler loader is a loading machine on tracks with a bucket at the front. Thanks to its tracks it can work on soft, wet or uneven ground where a wheel loader gets stuck.