scope:

This chapter gives notes on the designed life, satisfactory life and maintenance requirements of buildings. The causes of deterioration of buildings and installations are analysed and appropriate protective and preservative treatments are recommended. The chapter includes tables giving approximate rates of corrosion of steel and of zinc coatings on steel, recommended protective measures for metals, and a classification of sulphate soil conditions as affecting concrete, with recommended precautionary m easures. Classification of water supplies in relation to their effects on metals, and of atmospheric pollution conditions, are included.