Propane Line Replacement

BPSI Construction and Maintenance replaced the propane line between the propane tank and the emergency backup generator at Menefee Lakes Fire Station #76. 

This fire station was an original Cal Fire Facility that Menifee took over when they incorporated as a city.  During the annual test for the emergency backup generator it was discovered that there were leaks in the propane line.  A rigid underground line typically last 15 years so it was due for this one to be replaced.

BPSI recommended polyethylene pipe over galvanized or copper pipe to save the City of Menifee money and because of many advantages of using polyethene pipe.  This pipe can be direct buried for ease of installation, this 100-foot run could be installed without joints and has it a service life of 50 to 100 years.

BPSI saw cut the concrete next to the generator and removed a 2-foot strip to get access to the pipe. A trench was excavated to make a path for the new gas line.  New 2" polyethylene pipe was installed along with a trace wire.  New risers were installed and connected to the generator and to the propane tank.

After the system was tested and all was working well the trench was filled and compacted and concrete was poured to replace the slab next to the generator.

Here are some pictures of the project.


Advantages of Polyethylene Pipe

High Density Polyethylene Pipe

Polyethylene pipe also known as High Density Polyethylene Pipe (HDPE) is rugged, flexible, and durable with outstanding resistance to chemical and environmental stress cracks.   it is made from material that can be melted and reformed and has been successfully used for over 50 years.

Corrosion Resistance

The primary reason the propane line at Fire Station was failing was due to corrosion.  Unlike traditional metal infrastructure products, HDPE pipe does not rust, rot or corrode.  It is resistant to biological growth. This means an extended service life and long-term cost savings.


Unlike a rigid copper pipe HDPE pipe is flexible resistant to fatigue.  Unlike other plastic pipes, it is designed, and pressure rated to handle the kind of occasional surge events that are common in distribution systems.

Service Life

The estimate service life of HDPE is between 50 to 100 years, depending on application, design and installation.

Ease of Installation

Direct Buried 12 Inches below grade


In addition to its outstanding physical characteristics, HDPE is recognized for its minimal impact on the environment:

  • It takes less energy to manufacture HDPE than non-plastic pipes.
  • HDPE is lightweight and is often more cost effective to transport than metal pipes.
  • The flexibility of HDPE, combined with the use of heat fusion to join the pipe, means fewer fittings are required.
  • In trenchless installations, the physical characteristics of HDPE pipe enables you to use a smaller pipe, resulting in less ground disruption than when installing other fusible products.
  • HDPE pipe joined with heat fusion provides leak free connections.
  • HDPE does not emit potentially hazardous levels of toxins into the air during production, during fusion or into the ground or water during use.
  • HDPE pipe can be recycled back into non-pressure piping applications.

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