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PACall 717.792. to OrderCMP Pipe Options
Corrugated metal pipes (CMP) are the preferred choice of many contractors and engineers. These industry professionals, along with others, have found that this product is helpful for projects in industrial, municipal, agricultural and other fields. Many prefer this type of pipe because CMP has earned a reputation over the years for being durable, versatile and inexpensive compared to other pipe products.
At Daniel B. Krieg, Inc., we offer various CMP solutions to fit the specific needs of contracting, government and homeowner projects. Our products include:
- CMP pipe material in 10- and 20-foot sections.
- Bands, end sections and elbows.
- Corrugated metal pipe arches.
Items marked with "x" are currently stocked at our York office, while all other items are available to order.
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Size Gauge 10' or 20' sections Bands Flared End Sections Elbows 6" 16 8" 16 x x 10" 16 12" 16 x x x 15" 16 x x x 18" 16 x x x 21" 16 24" 16 x x x 30" 16 x x 36" 16 x x 42" 16 x x 48" 16 x x 54" 14 60" 14 or 16 72" 14 or 16Daniel B. Krieg, Inc. also offers corrugated metal pipe arches. This type of CMP is helpful for projects where headroom is at a minimum. A CMP arch option also provides an enhanced hydraulic advantage when you are working with low flows.
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Size (with equivalent pipe diameter) Gauge 10' or 20' sections Bands Flared End Sections Elbows 14X9 = 12" Round 16 17X13 = 15" Round 16 x x 21X15 = 18" Round 16 x x 24X18 = 21" Round 16 28X20 = 24" Round 16 x x 35X24 = 30" Round 16 x x 42X29 = 36" Round 16 49X33 = 42" Round 14 57X38 = 48" Round 12 71X47 = 60" Round 10Corrugated metal pipe (CMP) is typically used in applications such as culverts, stormwater systems, drainage systems, and small bridges. However, CMP is not limited to these areas. This pipe's versatility enables workers to use it across various fields. It ranges in size from 6 to 72 inches in diameter and 10 to 20 feet long, so there is an option for almost every project that requires piping.
At Daniel B. Krieg, we also apply a two-ounce per square foot zinc coating to the steel, adding a thickness of . inches on each side. The protective coating reduces maintenance costs and results in fewer replacements because the galvanization process protects the pipe from rusting and extends its life expectancy to over 50 years.
Industry professionals and homeowners look to CMP as a reliable form of metal piping. CMP gives you several advantages, which explains why the material is a popular option for individuals with all levels of experience. The main benefits of CMP include:
It's crucial to install CMP products at the start of a drainage outlet. Liquids should move upstream with CMP being supported along connections thanks to joints that are no larger than one inch. The full process of installing corrugated metal pipes is outlined below.
1. Incorporate Bedding and Structural Backfill
Choose a backfill material that does not contain organic or corrosive material, rock fragments or plastic clay chunks larger than 2.5 inches in thickness. You should plan on placing at least four inches of bedding material to sit underneath the CMP. Ensure the bedding material is loosely packed.
Place the structural backfill material in lifts no higher than eight inches. Structural backfill must sit underneath the haunches of the CMP and be raised evenly from the left and right sides. Side-to-side backfill differentials must stay below 24 inches or one-third of the rise of the structure ' the smaller measurement is the one to go with.
After placing the pipe, note that you should have a minimum of one foot of backfill material covering the top of the CMP.
2. Create a Trench
Determine the smallest width possible for trench installation. You will need to wait to create a trench until bedding materials are in place and properly formed across a foundation.
A rule of thumb for trench widths is that this measurement should be more than 1.25 times the pipe span with an additional one foot tacked on.
3. Make and Assess Your Embankment
The structural backfill has to reach an elevation that is no less than the suggested invert plus 1/2 the CMP's rise. This includes a width of two pipe spans on the left and right sides of the CMP.
4. Position Construction Covers Over CMP
Your team must use adequate construction covers to protect piping before further construction can begin and vehicles can drive over the work site. Consider the span of the CMP to determine the maximum load your connections can handle safely.
5. Connect Additional Pipe Runs
Follow identical backfilling procedures for CMP connections running away from main drainage outlets. Pay attention to the pipe diameter and pipe-arch span and investigate minimum spacing requirements based on your industry.
Corrugated metal pipe perforations fall into two distinct categories ' Class One and Class Two groups.
A Class One CMP perforation is intended for subsurface drainage applications. An unperforated segment above the invert becomes a flow channel. Pipes in this category are partially perforated with at least 3/8-inch slots made in rows that are in line with a pipe's axis. There is a single perforation in every row for every corrugation.
A Class Two corrugated metal pipe is fully perforated. These installations are multipurpose for the subsurface disposal of liquids as well as subsurface drainage. Class Two CMPs are commonly associated with groundwater recharge systems since openings across the pipes allow for water to seep into the ground and any excess to move to a different location.
The company is the world’s best Elliptical Corrugated Metal Pipe supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
For a pipe to fall under the Class Two category, there should be at least 30 perforations for each square foot of surface area.
Whether you're looking for CMP pipe arches or 10- or 20-foot sections, Daniel B. Krieg, Inc. provides the products you need. We've been serving Harrisburg, York, Mechanicsburg, Camp Hill, Carlisle, Lancaster, Hershey and the surrounding areas in Central Pennsylvania since with a commitment to offering high-quality products and premium service.
We make an effort to create strong relationships with all of our customers. Call us today at 717.792. for pricing and ordering information, or contact us using our online form below to place your order!
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