本案位於高雄市七賢二路的住商混合大樓，地下層發生廢水幹管堵塞，導致嚴重汙水回流與一樓廁所積水現象。永正企業工程立即到場，使用360度高壓水刀逐段清除堆積物，並搭配內視鏡確認管路狀況，順利恢復整體排水功能。
✔️ 廁所積水嚴重、異味明顯This project took place at a mixed-use building on Qixian 2nd Road, Kaohsiung. The basement’s main wastewater pipe was severely clogged, leading to major sewage backflow and toilet flooding on the ground floor. Yong Zheng Engineering responded swiftly, using a 360° high-pressure rotary jet combined with endoscopic inspection to clear the blockages and restore proper drainage.
✔️ Serious flooding and sewage odor resolvedA：幹管長期未清理，管內油泥、生物膜與衛生紙等雜物堆積，若遇雨勢或樓層同時排水，就容易造成整棟排水回堵。
A：高壓水刀特別適合社區大樓、商住混合、老屋翻新等結構複雜或高頻使用的排水系統。
A：本案使用360度高壓旋轉水刀對主幹管進行清洗，並搭配內視鏡查明堵點，清出大量污泥與雜質。
A：不會。施工全程鋪設防水墊、使用抽污機與現場清潔流程，確保結束後地面乾淨無異味。
A：建議每年進行一次幹管水刀清洗，尤其是有排水異味、地板冒泡、水流變慢等前兆時應儘早處理。
A: Over time, the main drain line can accumulate grease, sludge, and tissue waste. When rainfall or high usage occurs, it may cause backflow across multiple floors.
A: High-pressure water jetting is ideal for residential complexes, mixed-use buildings, or aging properties with complex drainage systems.
A: We used a 360° rotary water jet to clean the main sewer line, assisted by endoscopic inspection to identify blockage points and remove sludge effectively.
A: No. We use waterproof floor mats, sewage vacuums, and full clean-up protocols to ensure a clean, odor-free space after completion.
A: Once a year is recommended, especially if you notice signs like odors, bubbling tiles, or slow drainage. Early cleaning prevents bigger issues.
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