[Abstract] This paper discusses the key considerations in the design and placement of water pump rooms, focusing on whether to establish a separate pump room or a centralized pumping station within a building. In water supply and drainage design, the location of the pump room—whether inside or outside the building, as a separate unit or part of a centralized system—is a common challenge. Properly setting up a water pumping station not only enhances the quality of the building but also helps developers reduce capital investment in equipment and lower long-term maintenance and management costs.
The paper explores two main scenarios: the setup of a separate pump room and a centralized pump room. First, when a separate pump room is located within a single building, it is typically placed at the bottom, which is the most cost-effective option due to shorter pipelines and minimal overall impact. However, pump noise can affect residents’ quality of life, leading to complaints. For example, in commercial-residential buildings where the lower floors are shops and the upper floors are residential, placing the pump room inside may have less impact because the noise is dampened by multiple layers. In high-rise buildings, the pump room can be located either on the ground, underground, or within the building itself. Each option has its advantages and disadvantages, such as layout constraints, increased investment, or compliance with noise regulations.
Second, for multi-building complexes, establishing a centralized pumping station is more economical than having individual pump rooms for each building. According to the "Code for Design of Civil Building Water Fire Extinguishing Systems" (DGJ08-94-2001), the service radius should not exceed 150 meters, and the pressure should not be higher than 0.45 MPa. In practice, the decision depends on site-specific conditions, such as building layout and water demand. Centralized pump rooms are often best placed in underground garages, where space is ample, and maintenance is easier. However, in cases where basements are not connected, a centralized system may not be suitable due to pressure limitations and pipeline complexity.
Finally, the paper emphasizes that the placement of water pump rooms is a critical aspect of water supply and drainage design. It recommends that professionals involved in water supply and drainage should be engaged early in the construction process. By considering various design options and coordinating with local water companies, an optimal and cost-effective solution can be achieved.
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