Question: What Is Underground Utilities?

What are the color codes for underground utilities?

RED – Electric Power Lines, Cables, Conduit and Lighting Cables.YELLOW – Gas, Oil, Steam, Petroleum or Gaseous Materials.ORANGE – Communication, Alarm.

or Signal Lines, Cables or Conduit.BLUE – Potable Water.

GREEN – Sewers and Drain Lines.PURPLE – Reclaimed Water, Irrigation and Slurry Lines..

What is underground utility construction?

As an underground utility contractor, your job is to help install and repair sewer and water lines. In this role, you may participate in the excavation of land for pipes, install temporary pipes to minimize disruptions while installing permanent lines, and help address urgent problems like water main breaks.

What is utility construction?

The federal government classifies utility construction jobs as those having to do with buildings and structures for power, water, sewer, petroleum and communications. These structures might include pumping stations, power plants, oil refineries and storage tanks.

How deep are underground utilities buried?

The minimum depth requirement of a direct burial cable is 24 inches, except when installed under a concrete slab with a minimum thickness of 2 inches. In this case, the cable can be installed at only 18 inches deep.

What are utility colors?

RED – Electric Power Lines, Cables, Conduit, and Lighting Cables. YELLOW – Gas, Oil, Steam, Petroleum, or Gaseous Material. ORANGE – Communication, Alarm or Signal Lines, Cables, or Conduit. BLUE – Potable Water. GREEN – Sewers and Drain Lines.

What are the major types of utility?

There are four different types of utility: form utility, place utility, time utility, and possession utility.

What is utility example?

Generally speaking, utility refers to the degree of pleasure or satisfaction (or removed discomfort) that an individual receives from an economic act. An example would be a consumer purchasing a hamburger to alleviate hunger pangs and to enjoy a tasty meal, providing her with some utility.

How do I identify an underground service?

Ground penetrating radar (GPR) locating Another way of locating underground services is to use ground penetrating radar devices. These can detect underground services delivered via non-conductive pipes and cables.

What are the 4 types of utility?

The four types of economic utility are form, time, place, and possession, whereby utility refers to the usefulness or value that consumers experience from a product.

Are underground utilities better?

Underground lines are better protected against weather and other conditions that can impact overhead lines, but they are susceptible to insulation deterioration because of the loading cycles the lines undergo during their lifetimes.

How much does it cost to put utilities underground?

Underground Utilities Conduit Installation Cost Per FootType of LineAdded Price Per Linear FootTotal Per Linear Foot, including $8 avg installation1/2-inch non-metallic PVC pipe$0.25$8.25Copper for water$10 – $20$18 – $284-inch PVC for sewer$1$91-inch polyethylene for gas$0.66$8.661 more row

How are underground utilities located?

The most common method to locate private utilities is known as electromagnetic utility locating. In this technique, the locating equipment generates an electromagnetic radio frequency, and when applied to the ground, the subsurface utilities containing conductive material can be detected on a receiver.

What are the disadvantages of underground cables?

And here are the disadvantages that come to mind:Installing underground lines can cost 7-10 times more than overhead lines, a cost that would likely be paid by customers in the form of higher rates.Buried lines must be protected by conduit, otherwise they are susceptible to shortages from groundwater infiltration.More items…•

Why don’t they bury power lines?

Also, undergrounding power lines may make them more susceptible to damage from corrosive storm surge and flooding from rainfall or melting ice and snow. Areas with greater vulnerability to storm surge and flooding will confront systems that are less reliable (and at greater cost) as a result of undergrounding.

How is utility created?

1) Place utility: Creation of utility by change of place is known as place utility. The utility can be created by changing the place or the site. 2) Form utility: Creation of utility by change of shape. The utility can be created by changing the shape, design, form, etc.

Is it against the law to dig without calling 811?

The law, in all states, generally provides that anyone excavating must call the 811 utility-locate hotline before digging begins to have all utilities located and marked.

How deep can you dig without calling 811?

There is no allotted depth before a person needs to call 811. Whether you are just planting small shrubs or installing fences, CGA says any time you are putting a shovel in the ground you need to call due to the fact that many utilities are buried just a few inches below the surface.

Who comes out when you call 811?

811 is a free service managed by Underground Service Alert and available to everyone. After you call, Underground Service Alert will contact PG&E and other companies that have underground lines in your area. Representatives will then mark the location of their underground lines so you can avoid them and dig safely.