Indicator | Details |
Transport medium | Running water |
Engineering quantity | 1050 meters |
Original pipe specifications | D1000 (PCCP) |
Construction period | 4 days (2023 production) |
Technical features | Domestic flexible composite pipe lining project with the largest diameter (∅1000) and the longest single length (1050 meters) |
1. Terrain Adaptation Challenges: The undulating hills and valleys of central Hunan present complex construction routes for long-distance overall renovation.
2. High Precision Requirements: Large pipe diameters and long individual lengths pose significant challenges in transporting main materials and controlling installation precision for the inner lining.
3. Complex Technical Integration: Requires combining flexible composite pipe rehabilitation with a distributed fiber optic early warning system, demanding high levels of technical coordination.
1. Fills the gap in comprehensive rehabilitation technology in Hunan, establishing a benchmark for long-distance pipeline renewal in hilly regions;
2. Significantly enhances regional water supply security while effectively conserving water resources;
3. Provides a technical model for pipeline rehabilitation in similar hilly areas, driving industry-wide technological advancement;
4. Simultaneously achieves water supply pipeline lining rehabilitation and intelligent pipeline network system implementation.
Providing a “scar-free” solution for urban renewal—Municipal Water Company