When did British Gas start using pipe bursting?

History Pipe bursting was first developed in the UK in the late 1970s by D. J. Ryan & Sons in conjunction with British Gas, for the replacement of small-diameter, 3- and 4-inch cast iron gas mains (Howell 1995). The process involved a pneumatically driven, cone- shaped bursting head operated by a reciprocating impact process.

When to use pipe bursting for water pipe replacement?

Pipe bursting is an economic pipe replacement alternative that reduces disturbance to business and residents when it is compared to the open cut technique. Pipe bursting is especially cost-effective if the existing pipe is out of capacity, deep, and/or below the ground water table (GWT). Replacing an old pipe with a larger one is termed upsizing.

Which is the most common method of pipe bursting?

Pneumatic Bursting Systems The most common pipe bursting method is the pneumatic system. In the pneumatic system, the bursting tool is a soil displacement hammer driven by compressed air and operated at a rate of 180 to 580 blows per minute. It is similar to a pile-driving operation going horizontally.

Who is responsible for water damage in an upstairs unit?

In most cases, the unit owner above you is responsible for water leaks that originate in his or her condo. Notify your insurance company, and keep them updated during the repair and cleanup process. Residential water damage from the upstairs unit can be accidental, or it can be the result of negligence.

What happens if your neighbor’s pipe bursts?

Your insurer may only get the depreciated value of the items from your neighbor’s insurer, but you’d still receive the replacement value from your own insurance company, if covered by your policy. “Always check with your agent or broker to ensure you have replacement cost coverage on your homeowners policy,” says Camp.

In most cases, the unit owner above you is responsible for water leaks that originate in his or her condo. Notify your insurance company, and keep them updated during the repair and cleanup process. Residential water damage from the upstairs unit can be accidental, or it can be the result of negligence.

What kind of tool is used to burst a pipe?

Pipe bursting is a method by which the existing pipe is opened and forced outward by a bursting tool. A hydraulic or pneumatic expansion head (part of the bursting tool) is pulled through the existing pipeline, typically by using a cable and winch. As the expansion head is pulled through the existing pipe, it pushes that pipe radially out

How long does it take for water damage to show up in an upstairs apartment?

It can happen while you’re at work or after you’ve gone to bed. You might be cooking in the kitchen when you notice something very wrong. Water damage from the upstairs condo can take several days to show up, or it can drip down the walls in just a matter of minutes.