The construction process for oil and gas pipelines requires an enormous quantity of aggregate for grading, creating access roads, soil reclamation, and many other activities. At Melgaard Construction, we own several aggregate pits, for easy access to produce. We are proud to construct a variety of different aggregates in-house, which saves both time and money on our pipeline construction projects and makes the process more efficient.


Producing our own aggregate means that minimal time is wasted trying to find and procure aggregate from local suppliers. There are no deals to be made, no miscommunications to be had – we know what we need, and we produce precisely that. We can also provide aggregate for existing pipeline constructions throughout Wyoming, North Dakota, Montana, and Colorado. Our production capabilities include:

When laying hundreds of miles of pipeline, construction teams often have to partner with dozens of quarries and aggregate providers if they are unable to provide for their own needs. Melgaard Construction circumvents this problem by crushing and screening in their own pits with their own plants.

The Common Grades And Application

Melgaard’s gravel pits and quarries can produce any grade of rock that our projects require; we are always customizing our production to provide precisely the grades and quantities we need.

Some of Our Most Common Grades Include:

#1 Aggregate
Our most substantial grade, with rocks ranging in diameter from 2” to 4”. We commonly use #1 grade to fill wire baskets called “gabions” to stabilize steep banks, especially near streams where excessive runoff or erosion may negatively affect the river. It may also be mixed with #2 and used as a base for access roads.

#3 Aggregate
This grade, which contains stones ranging from 1.5” to 2”, is used to line drainage channels to prevent soil erosion in many civil construction projects and is also common in railroad beds, beneath the tracks.

#5 Aggregate
A # 5-grade aggregate is perhaps our most commonly used size and is often used in road base. Stone sizes range from 1” to dust.

#8 Aggregate
This grade is popular for creating concrete and asphalt, both of which are used in most civil construction projects. Sizes range from 3/8” to 1/2.”

#411 Aggregate
This grade is a mixture of #57, which contains stones around 3/4” in diameter, and stone dust. It is commonly used in roads, as a foundation for retaining walls, and to patch holes in other construction projects.

Aggregate For Every Stage of Pipeline Production

Before pipeline construction can even begin, the right of way (ROW) must be cleared and graded to make a flat path for our construction equipment. This is difficult on some of the rough terrains in Wyoming, North Dakota, Montana, and Colorado, and requires the use of fill dirt to make a path that’s both accessible to and safe for heavy equipment. Access roads also require dirt and gravel – some temporarily, but some permanently, which will be left for regular access to pipe checkpoints, pumping stations, and valve sets.

Once the pipe is laid and the final grading and reclamation take place, topsoil is needed, which is often the original soil that was removed; however, if this soil is insufficient to create a smooth grade, additional topsoil may be necessary with a similar composition to the original.

In these cases, different kinds of aggregate are needed to get the job done correctly. We create this aggregate to the exact specifications for the project, then arrange to transport it directly to the construction site for a streamlined and efficient approach to pipeline construction.

Why Melgaard Construction?

If you need aggregate at any stage of your pipeline production or you’re looking for a construction company that is always ready with the right materials to do the job, Melgaard Construction is your best choice anywhere in Wyoming, North Dakota, Montana, and Colorado. To discuss your project, give us a call at (307) 687-1600.



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Phone: (307) 687-1600
Toll Free: (800) 220-9251
Fax: (307) 687-7179

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