Industry Allowance 12. 9.1 Eligibility In addition to the agreed salary rate for the relevant classification, an employee, including an apprentice, performing the work of any of the classifications listed below in Table 1 and who is engaged on Construction Work (as defined), will be paid an Industry Allowance at the relevant rate shown in the Australia Post Human Resources Manual Rates of Pay Booklet to compensate for the following disabilities of the industry; namely, being subject to: (a) climatic conditions when working in the open on all types of work or on a multi-storey building prior to it being enclosed; (b) the physical disadvantage of having to climb stairs or ladders, particularly on multi-storey buildings prior to an elevator being available; (c) dust blowing in the wind on building sites; (d) sloppy and muddy conditions associated with the initial stages of the erection of a building; (e) dirty conditions caused by the use of form oil or from green timber; Att A Cl 9 EBA 6 Cl 9.4 Ops Cl 9.1 Tech Award Booklet plus an allowance at the rate per annum prescribed at Item 7.