Thank you for Subscribing to Utilities Business Review Weekly Brief
Utilities Business Review | Tuesday, February 21, 2023
A long-term planning cycle and a low initial cost is the most common technology for installing subsurface infrastructure.
FREMONT, CA: Multi-utility tunnels (MUT) is gaining popularity as an alternate form of building underground infrastructure for the distribution of power, telecommunications, water, sewage, and district heating. MUTs are more sustainable than ordinary open-cut excavation (OCE), particularly when the complete life cycle of these cable and pipe networks is essential.
It has become increasingly important to develop cities sustainably to address global concerns like climate change and resource shortages. An essential aspect of such development that receives little attention is the management of its subsurface infrastructure.
Stay ahead of the industry with exclusive feature stories on the top companies, expert insights and the latest news delivered straight to your inbox. Subscribe today.
Access without excavation: Avoiding excavations in urban areas not only has the potential benefit of saving underground space, but it can also reduce maintenance costs and limit other negative consequences of excavation, such as disruptions in city life due to traffic shutdowns, reduced mobility, wear on paved surfaces, and reduced accessibility to businesses and stores. Increased accessibility can also affect utility owners' ability to monitor, repair, and update pipe and cable infrastructure. Because they have access to the infrastructure, they can regularly inspect it at a reasonable cost.
Economic performance: Performance is often addressed by comparing the construction and use phases' costs to the corresponding OCE expenditures. Installing a MUT is more costly, and the use cost is supposed to be lower than that of an OCE. Although only the building cost of MUTs has been empirically evaluated, there are reasons to believe this claim is justified. Because installing a MUT necessitates a more invasive and resource-intensive building process during the usage phase, maintenance and renewal of the cable- and pipe-based infrastructure can be maintained without the need for costly excavations.
Indoor environment: Unlike OCE, cables, and pipes are installed indoors, surrounded by dirt. The pipes are prone to wear and damage from soil movements and excavations, necessitating maintenance, and replacement. The maintenance interventions for MUTs are said to be reduced by 70-80 percent. Depending on the utilities installed in a MUT, workers may face a variety of hazards. Gas pipelines that leak can create explosions, wastewater leaks that can cause hazardous gases or spread diseases to workers, electrical pipes that can start fires, and leaking district heating pipes with very hot water can all have disastrous repercussions.
More in News