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• <br /> • <br /> intended. The openings shall be provided with covers that can <br /> be removed easily. Covers shall be constructed of such <br /> material or so installed that they will resist the passage of <br /> heat and fire in a manner equivalent to that of the pier deck. <br /> Location of openings shall be conspicuously indicated. <br /> II. Where openings in the pier deck specified above are installed <br /> all parts of the deck, including aprons, upon which firemen may <br /> be expected to work shall be solid and continuous, shall have no <br /> uncovered openings and shall be virtually smoke tight. <br /> III. Where openings in the pier deck are installed there shall be <br /> maintained on the pier or wharf, preferably at the land end, but <br /> in any case in readily accessible locations, a sufficient number <br /> of revolving nozzles, cellar pipes, and other devices of <br /> appropriate type with the necessary supply of hose, to permit <br /> . establishing two complete water curtains across the pier or <br /> wharf, and at least two additional nozzles for extinguishing <br /> purposes. In determining the number of devices that are required, <br /> consideration should be given to the amount of such equipment <br /> carried on the fire apparatus due to respond. <br /> IV. To supply water for the devices covered by this section there <br /> shall be installed an adequate water supply and adequate hydrants <br /> or hose connections as determined by the Chief of the Fire <br /> Department. <br /> B. Combustible Superstructures. <br /> Existing combustible superstructures shall comply with Sections 9A <br /> and 9B of this ordinance. In addition, where the Fire Chief determines <br /> there is a serious life hazard, there shall be provided a one-hour fire <br /> wall between such existing superstructure and other structures within <br /> thirty (30) feet. <br /> Section 11. Additions, Alterations and Repairs. <br /> A. Where additions, alterations, or repairs within any 12 month <br /> period exceed 50 percent of the value of the existing building or <br /> structuresuch entire building or structure shall be made to conform <br /> to the requirements for new construction under this code. <br /> B. Additions, alterations and repairs exceeding 25 percent but not <br /> exceeding 50 percent of the value of existing buildings or structure <br /> made in any 12 month period shall comply with the requirements of <br /> this code without the entire building or structure being made to comply. <br /> C. Additions, alterations and repairs 25 percent or less of the value <br /> of the building or structure may be made to conform to the original <br /> structure or building, but otherwise the new construction shall comply <br /> with this ordinance. <br /> • <br /> ,Ordinance -12- <br />