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Buildings Under Construction Sec. 3806. (a) General. During the construction of a building and until the permanent fire-extinguishing system has been in- stalled and is in service, fire protection shall be provided in accordance with this Section. (b) Where Required. Every building, six stories or more in height, shall be provided with not less than one standpipe for fire department use during construction. Such standpipes shall be installed when the progress of construction is not more than fifty feet (50') in height above grade. Such standpipe shall be provided with fire department inlet connections at accessible locations adjacent to usable stairs. Such standpipe systems shall be extended as construction progresses to within one floor of the highest point of construction having secured decking or flooring. In each floor there shall be provided a two and one-half-inch (2 1/2") valve outlet for fire department use. Where construction height requires installation of a combination standpipe, fire pumps and water main connections shall be provided to serve the standpipe. (c)Temporar¥ Standpipes. Temporary standpipes may be provided in place of permanent systems if they are designed to furnish 75 gallons of water per minute at 50 pounds per square inch pressure with a standpipe size of not less than four inches (4"). All outlets shall be not less than two and one-half inches (2 1/2"). Pumping equipment sufficient to provide this pressure and volume shall be available at all times when a combination system is required. (d) Detailed Requirements. Standpipe systems for buildings under construction shall be installed as required for permanent standpipe systems. Basement Pipe Inlets Sec. 3807. For basement pipe inlet requirements , see Appendix, Section 3807. APPENDIX - CHAPTER 38 - FIRE EXTINGUISHING SYSTEMS ~asement Pipe Inlets Sec. 3807. (a) General. Ail basement pipe inlets shall be installed in accordance with requirements of this Section. (b) Where Required. Basement pipe inlets shall be installed in the first floor of every store, warehouse, or factory having cellars or basements. EXCEPTIONS: 1. Where the cellar or basement is equipped with an automatic fire-extinguishing system as specified in Section 3802. 2. Where the cellar or basement is used for the storage of permanent archives or valuables such as safe deposit vaults or similar uses adversely affected by water. (c) Location. The location of basement pipe inlets shall be as required by the Building Official in accordance with Section 3801 (b) . (d) Detailed Requirements. Ail basement pipe inlets shall be of cast iron, steel, brass, or bronze with lids of cast brass or bronze. The basement pipe inlet shall consist of a sleeve not less than eight inches (8") inside diameter extending through the floor and terminating flush with or through the basement or