Construction drawing design of a sewage pump station in Yangzhou
Construction description of installation part: I. Equipment installation: 1. During installation and unpacking, check the packing list to see whether the equipment meets the design requirements, whether the tools and spare parts are complete, and whether the installation dimensions are consistent with the design drawings; 2. Check whether the embedded anchor bolt is consistent with the corresponding size of the equipment, whether the top elevation of the equipment foundation meets the design requirements, and whether the foundation flatness meets the requirements; 3. All equipment must be installed and debugged in strict accordance with the requirements of the product manual. 2、 Test run starting, running and stopping: 1. Check whether the three-phase power supply voltage is normal and make preparations for starting; 2. After starting, check whether the current is within the specified range, whether the operation is stable without abnormal sound, and the sealing gland should be slightly pressed; 3. Check whether the water pressure and flow instruments work normally, and whether the operating conditions of water pump and other equipment are within the specified range; 4. For multiple water pump equipment, start one by one, and start the other after normal operation to reduce the impact on the power supply; 3、 Installation of pipes and pipe fittings (indoor): 1. When installing all pipes connected with water pumps and fittings, check the flange standards (GB2555-81, JB78-59, JB81-59, GB4216.4-84), nominal pressure rating, and process or order corresponding flanges; 2. The connection size of pipes, fittings and water pumps must be accurate. The pipe supports should be well supported for the pipes. During installation, valves and pump bodies should not be used as fulcrums. After installation, the pipes should not have secondary stress on valves and water pumps; 3. Before pipeline installation, the quality of welding and anti-corrosion shall be checked, and the damaged parts shall be repaired; 4. The water supply pipe adopts PP-R pipe and fittings, which are connected by hot melting; UPVC pipes and accessories are used for drainage pipes, which are connected with glue; Unless otherwise specified, the process pipe is A3 steel pipe flange connection or welding; The rainwater pipe is UPVC pipe, and the unmarked steel pipe fittings are made according to S311.