Quality schemes involve economic studies of selection of types of material and methods to be included in design , ensuring that this design is in accordance with all applicable codes and regulation and controlling the construction on the project to be sure that the work is performed according to the standards specified in the contract documents . Method to be adopted may vary from the automated documented through computer to statistical quality control in the field .
Quality Assurance

Quality assurance is referred as a scheme adopted by a construction company to maintain the standard or quality consistent. It is primarily an internal management system of a construction company. Generally a company maintains a quality assurance chart by specify various checks at different levels as well as constantly improving its attributes. A quality assurance program may include

• Arranging periodical training for its worker


• a good safety Programme


• a sound procurement system to get best quality material and suppliers


• A reward scheme for innovative work and competitive career progress scheme


• If a company is involved in repetitive work, then implementations of statistical control of the process. Such as in concreting, regular sampling scheme control the production of concrete. Similarly in asphalt work , regular satisfied quality control is carried out.