Final answer:
The typical maximum distance allowed between manholes in urban settings is often 100 meters, though this can vary based on local regulations and the specifics of the system.
Step-by-step explanation:
The maximum distance allowed between manholes can vary depending on the jurisdiction and specific engineering standards applied to the sewer or stormwater system design. However, commonly accepted distances for urban areas tend to range from 100 meters to 150 meters. In rural or less developed areas where the infrastructure may not require as frequent access, this distance can sometimes be extended up to 200 meters or more, depending on local regulations and the ability to maintain the system effectively. The question provided does not specify enough context regarding the type of system being referred to, but within common urban scenarios, the accepted maximum distance can be 100 meters, which could be considered a standard for the sake of providing a direct answer. Option 2) 100 meters might then be chosen as the typical maximum allowed distance between manholes.