In all, 520 miles of cast-iron pipe
is being replaced, the majority of it in the District of Columbia.
Due to its nature, cast-iron pipe
is not a good fit for statistical models used in predicting vulnerability and risk.
Financial incentives and targeted programs among companies, public utility commissions, and scientists to reduce leaks and replace old cast-iron pipes
will improve consumer safety and air quality, as well as save money and lower greenhouse gas emissions," the researchers conclude.
UGI was fined the maximum $500,000 and ordered to remove all of its cast-iron pipe
within 14 years and all of its bare steel pipelines within 30 years of the February 2013 ruling.
Advantages of these new pipe-bursting systems include outstanding durability, simplicity of operation, productivity and the ability to easily and efficiently cut or fracture most types of pipe such as clay, PVC, steel, ductile iron, and cast-iron pipe
and pull in new pipe that's even larger than the original--all with minimal disturbance to the surroundings.
The 36-inch OD liner pipe was reconnected at both ends to the 48-inch cast-iron pipe
using steel reducers with Dresser-style joint seals.
The contracting comprises four separate task for (Heidehofintien, ore, Porkkalankatu and Hiekkaharju) when the cast-iron pipes
and parts thereof.
The engineers will be using the latest techniques to replace the cast-iron pipes
, which minimises the number of holes that engineers will need to dig into roads.
The cast-iron pipes
we will be replacing have served the community well for decades, but they have now reached the end of their useful life.