Integrated quotation for supplying fire water pool

Installation and construction method of integrated foundation for buried box pump

The anti floating prefabricated box pump integrated pump station adopts a design where the box body and bottom plate are connected. A groove is reserved in the early stage of concrete raft construction, and the box body is placed in the groove. High strength expansion bolts are used to rivet the bottom plate and box body together. Combined with the overall weight of the pump station, raft weight, side soil weight, and top soil weight, the buoyancy of groundwater is offset, effectively solving the hidden danger of water tank floating due to abundant groundwater and high water level. Precautions for foundation excavation: Before excavating the foundation pit of the buried box pump, dewatering treatment is required, and the specific values are determined by the civil construction party at their discretion. The excavation of the foundation pit for buried box pumps requires a slope of not less than 60 °, and surface reinforcement (safety net coverage or plain concrete coverage) can be determined based on soil conditions. Due to site and other reasons, it is not possible to construct a 60 ° slope during the excavation of the buried box pump foundation pit. Therefore, reinforcement structures such as vertical piles need to be installed to ensure that the foundation pit does not collapse. Load vehicles are not allowed to pass through within 10 meters of the buried pump foundation pit, and soil accumulation is not allowed to prevent collapse. A protective net or fence should be installed around the foundation pit of the buried box pump for safety isolation, and prominent warning signs should be erected to indicate. The bottom and raft should maintain a construction distance of at least 0.8 meters

The installation of the integrated foundation for buried box pumps is usually as follows: 1. A cushion layer with a height of 100 and concrete of C15 is made under the entire board; 2. The foundation of the entire board is 300mm high, made of C25 concrete, and has a single-layer unidirectional reinforced bottom plate with X and Y directional steel bars: B 14@150 ；T: 14@150 3. The beam foundation is 500mm high, with 4 main bars of 12mm and 6mm stirrups. 4. The unevenness of the beam shall not exceed 5mm.

The underground box pump integrated fire pump station combines the advantages of variable frequency constant pressure water supply equipment and pipe network stacked non negative pressure water supply equipment. It intelligently changes the inlet water source of the equipment based on the pressure feedback of the tap water pipe network. When the tap water service pressure is high or the peak water consumption is low, it will automatically open the electric valve of the equipment's inlet water source and close the electric valve of the water tank supply; When there is a peak in water usage, it will automatically close the tap water inlet electric valve and open the water tank supply electric valve. At this time, it becomes a traditional variable frequency constant pressure water supply equipment. It will never reduce the service pressure of the water supply network.

Installation and construction method of integrated foundation for buried box pump