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TIP #002 – Carry out underground services detection before starting any trench excavation works

Before carrying out any trenching works, coordinate with local service providers to mark their underground services in the area where the proposed trench will be excavated.

Services  may include water services mains, sewer mains, electricity cables, telecommunication cables, highway communication cables and in certain cases gas/fuel pipelines. Each entity marks their services with a colour coded spray. In Malta, the following colour codes apply:

Go plc. a telecommunication company marks its underground infrastructure in highlighter green. Water Services Corporation uses red spray to mark water, sewer and rising mains. Enemalta, an energy provider, uses highlighter orange to mark its underground cables. Melita plc. and Vodafone Malta Ltd., who are telecommunication companies do not have any specific colour codes to mark their underground services.



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