Comb bound (white plastic) specification or tender document, approx. 70 pages, with glossy card covers, titled "Tender Schedule for All-Electric Trams" and "Contract 2500", published by the Melbourne and Metropolitan Tramways Board, closing Monday 2 October 1972. Details the conditions of tender, conditions of contract, notes, specification, gives background information about Melbourne, dimensions, performance, drivers and conductors, trucks, wheels, brakes, electrical equipment, control panels and drawings. The drawings give a map of the system, typical city route, Glenferrie Road route (grade diagram), concrete track construction, min. radius curves, loading gauge, all-electric tram and mounting details for the trolley base, schedule of prices, tender form, form of contract, schedule of information to be provided by the tenderer. On the inside of the cover is a memo from D. Snell, Deputy Chairman to the Testing Engineer, dated 11/7/1972 about the tender being issued, but requesting least publicity and all enquiries to Mr. Snell. Part of the work to tender for the construction of Z class trams. Document scanned to pdf file word searchable. See Item 4388 for the Z3 document and 1583 for an August 1966 version and Reg item 4667 for a draft June 1965 version. 2nd copy added 7/8/2020 from Keith Kings papers.In in pencil in the top right hand corner of cover "1975" crossed out and "1972" written in. On first sheet in pencil, "Howard Smith" and "Laboratory 10 Feb 1975" stamped on.trams, tramways, specification, tenders, z class, mmtb, melbourne