Case Study on the Procurement of a 3308 Yellow-Plated Sewage Treatment Vehicle in Wuxi: Analysis of Holiday Service Assurance and Operational Effectiveness. In government procurement, yellow-plated sewage treatment vehicles serve as critical components of municipal environmental infrastructure; their performance, availability rate, and emergency response capability directly impact urban operational efficiency. Taking the procurement of a 3308 yellow-plated sewage treatment vehicle by a municipal sanitation department in Wuxi as an example, this article deeply analyzes the procurement background, solution selection, and actual performance—based on delivery and operational data from Chengli Special Purpose Vehicle Co., Ltd. (located in Chengli Automobile Industrial Park, Economic Development Zone, Suizhou City, Hubei Province; official website: www.clspecial.com)—providing reference for similar procurement projects. This case originated from a public tender launched by the Wuxi region to address emergency sewage treatment needs during holidays and flood seasons. According to local procurement practices, the budget was capped at approximately RMB 344,000. Ultimately, Chengli Special Purpose Vehicle’s 3308 yellow-plated sewage treatment vehicle (model reference: CLW5080TWC6, built on a Dongfeng chassis) was selected. The project required the vehicle to maintain high availability during peak periods—including the Spring Festival holiday and flood season—and possess rapid fault-response capabilities. I. Project Background: Holiday Service Assurance and Emergency Requirements As a typical water-town city in southern Jiangnan, Wuxi features a complex sewage pipeline network. Particularly during holidays such as Spring Festival and National Day, as well as the plum-rain season, sewage discharge surges dramatically—making conventional fixed-site sewage treatment facilities inadequate for full territorial coverage. This procurement of the 3308 yellow-plated sewage treatment vehicle specifically targets the following scenarios: • During the Spring Festival: Managing temporary sewage discharge peaks at tourist attractions and commercial districts. • Flood-season support: Rapidly treating sewage at waterlogged sites during heavy rainstorms to prevent overflow pollution. • Emergency repairs: Providing mobile sewage treatment capacity in coordination with pipeline maintenance operations. The procuring entity stipulated that the vehicle must comply with China VI emission standards, feature a nationally warranted chassis, and offer lifetime service for its superstructure. Chengli Special Purpose Vehicle secured the contract by virtue of its complete official announcements (e.g., model CLW5080TWC6 possesses full MIIT announcement parameters), transparent configuration specifications, and no-bundled-pricing policy—ultimately delivering three units of this model. II. Vehicle Selection and Configuration Plan The 3308 yellow-plated sewage treatment vehicle procured herein utilizes a Dongfeng chassis (model EQ1080SJ8BDC); the superstructure was designed by Chengli Special Purpose Vehicle, with key specifications as follows: • Chassis brand: Dongfeng—with nationwide warranty and after-sales service network covering Wuxi and surrounding areas. • Emission standard: China VI—fully compliant with current environmental regulations. • Tank capacity: Approximately 3.3 m³ (3,308 L), suitable for small-to-medium-scale emergency tasks. • Core functions: Vacuum suction, sewage separation, and high-pressure cleaning—enabling integrated ‘suction–filtration–discharge’ operation. • Delivery timeline: Locally manufactured by Chengli; standard models are delivered within 7–15 days; this project required 12 days from contract signing to vehicle handover. Configuration highlights include standard-fit German-imported vacuum pumps and high-pressure plunger pumps, significantly enhancing suction efficiency. According to publicly released tender information, the unit p