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Horizontal pipe laying of ground source heat pump pipeline installation
Issued by: Spring Island water source heat pump time: August 28, 2020

Due to the tight progress of the project, the second layer earthwork of the foundation pit is excavated in different areas, and our horizontal pipe should be laid in blocks. This involves the problem of reserved pipe. That is, when laying the horizontal pipe in the excavated plot, the horizontal pipe of the plot that has not been excavated should be laid out first and numbered with the well number, and then connected with the well pipe after excavation.

For the foundation construction, the soil is not allowed to be exposed in the air for a long time. The cushion shall be poured immediately after the foundation pit is excavated to the relative elevation. Our horizontal pipe and foundation pit cushion construction shall be carried out simultaneously. Then, during the foundation cushion construction, enough space shall be reserved for the horizontal pipe of the buried pipe, and the cushion shall be poured after the construction of the buried horizontal pipe, as follows:



During the construction, the sand layer above the horizontal pipe is 100 mm, and the hot-melt or electric fusion connection of the pipeline must be carried out according to the construction technical specifications and standards of the manufacturer.

The gradient of water pipe should be toward the soil heat exchanger water collector and distributor, and it is strictly forbidden to reverse the slope.

When laying the water pipe, it is strictly forbidden to wind the pipe up and down, causing gas accumulation in the pipeline. The water pipe should be laid meandering in the horizontal direction, leaving a certain space for expansion and contraction, so as to avoid the influence of thermal expansion and cold contraction on the service life of the pipeline.

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