土建房屋工程施工放线方法（On line method of civil building engineering construction）.docVIP

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土建房屋工程施工放线方法（On line method of civil building engineering construction）.doc

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土建房屋工程施工放线方法（On line method of civil building engineering construction）

土建房屋工程施工放线方法（On line method of civil building engineering construction） Zero Civil / housing project construction line is started from the positioning of the building, until the main project can not be separated from the construction line. It can be divided into three stages: building location (laying out), foundation construction (caving) and main construction (caving). A, building location, is the first line of the housing construction project after the start of the building, personnel positioning is: in the city planning department (survey team affiliated) measurement personnel and construction units (Professional), positioning according to the construction planning of location map, finally formed at the construction site (at least) 4 positioning pile. The wiring tool is total station instrument or advanced theodolite. Two, basic construction line, building location pile set, by professional surveyors, the construction unit of the construction site and the person in charge of the project on the basis of mutual supervision and measurement on line review (supervision personnel is mainly on-site supervision and verification), positioning the last released all the buildings pile axis (according to the building size or axis on line), all interval axis positioning pile is according to the positioning planning departments of the pile (at least 4) and the bottom of the building construction plan to put the line. The wiring tool is theodolite. After the completion of the foundation positioning, the surveyor and the builder at the construction site will release the foundation line according to the axis of the location, so as to carry out the foundation excavation. Line tools: theodolite, Longmen plate, rope, wire pendant, steel tape etc.. Small works may have no surveyor, or a builder. Note: the base axis shall be located in the permanent building or fixture around the proposed building while the foundation line is laid out to prevent damage to the axle locating pile and b