A person must not allow dirt, dust, fumes, noise, smoke, building materials, sewage or concentrations of water which are caused by, or occur in the course of, building work to become (a) a public health risk; or(b) a nuisance for an owner, occupier or user of adjoining land.Penalty: Fine not exceeding 20 penalty units and, in the case of a continuing offence, a daily fine not exceeding 10 penalty units for each day during which the offence continues.