Exteriors of Building. The scope of work shall include cleaning of glass and other structures with a suitable approved glass cleaner; keeping the terrace clean of all litter; keeping all external signage and external wall &surroundings clean. In addition to the above jobs, the Buyer may assign any work with relation to housekeeping of the premises not mentioned specifically in the above table.Frequency and timing of the work can be altered at the discretion of the Buyer looking intothe needs and quantity of work.