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They have to be marked in spray paint in a colour appropriate to what it is. On grass, they must have both paint and flags. The colours are as follows:
Blue: Potable water lines
Red: Electrical lines
Orange: Telephone and cable TV lines
Yellow: Gas or steam lines
Green: Sewage lines
Purple: Slurry lines or pipes and/or cables of an undetermined nature
White and pink are not used for utilities - white is used for proposed digouts, and pink is used for surveyor markings
What else can I help you with?
How deep can you dig in your backyard before encountering any underground utilities or other obstacles?
It is recommended to contact your local utility companies before digging in your backyard to determine the depth of underground utilities. This can help prevent damage and ensure safety.
How deep can you dig on your property without encountering any underground utilities or other obstructions?
It is recommended to contact your local utility companies before digging on your property to determine the depth at which you can dig safely without encountering any underground utilities or other obstructions. This can vary depending on your location and the specific layout of underground infrastructure.
Are cherry tree roots invasive and likely to cause damage to nearby structures or utilities?
Cherry tree roots can be invasive and potentially cause damage to nearby structures or utilities. It is important to consider this when planting cherry trees near buildings or underground utilities.
Why is clear and dimensional accuracy needed in marking out to specification and drawing requirements?
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Why is it important to make accurate surveys of underground utilities?
Accurate surveys of underground utilities help prevent accidental damage during construction projects, reduce the risk of injury to workers and the public, and minimize costly delays and disruptions. It also ensures that infrastructure is maintained and operated safely and effectively.
Why is clear and dimensional accuracy in marking out to specification and drawing requirements important?
Clear and dimensional accuracy in marking out is critical in all circumstances. You spend the time marking something out then you or others should be able to see it clearly. Drawing requirements must be followed at all times you mark out to the tolerance the drawing states.
Which military publication should be referenced for package marking requirements?
Mil-std 129p
Are magnolia tree roots invasive and likely to cause damage to nearby structures or utilities?
Yes, magnolia tree roots can be invasive and have the potential to cause damage to nearby structures or utilities due to their size and spread. It is important to consider this when planting a magnolia tree near buildings or underground utilities.
Which part of 49 CFR should be referenced for package marking requirements?
49 CFR 172.300
Is there a underground?
Yes, there are underground locations such as subway systems, basements, and tunnels that exist beneath the surface. These spaces serve various purposes including transportation, storage, and utilities.
How far away from a utility do you have to be to dig?
The required distance to dig near utilities varies by location and utility type, but a common guideline is to maintain at least 18 to 24 inches of clearance from underground utilities. It’s crucial to check local regulations and contact the utility companies for specific requirements. Additionally, always call 811 or your local one-call service before digging to ensure safety and compliance with local laws.
How to dig a trench effectively and efficiently?
To dig a trench effectively and efficiently, start by marking the trench's path and depth. Use a shovel or trenching tool to remove the soil in layers, keeping the sides of the trench straight and even. Work methodically and take breaks as needed to prevent fatigue. Dispose of the excavated soil properly and be mindful of any underground utilities.
