(f)formulating and regulating the steps for co-ordination among Departments and between the Police and such Departments before undertaking any work on the streets for purposes such as provision for electricity, water, sewage, exchange of information, communication, removal, repairs, advertising, digging, separation etc. in a manner affecting the traffic, prior to commencement of such work so as to enable the Police to make suitable alternative arrangements during the period of such work and to reduce inconvenience caused to the public;