Grade Chair with Base

Technical Product Data Sheet

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The OCM Grade Chair with Base is designed with a wide base ring to provide stability on loosely compacted or expansive soils.


  • Made from high strength plastic material which provides good performance under loading conditions.
  • "Snap-in top" locks rebar into chair for secure placement.
  • Each chair comes in 2 height combinations to provide flexibility based on grading conditions and helps to reduce inventory.
  • Meet CRSI requirements per table 3-4.
OCM Part No. Weight Per Box Box Qty
GCCOMP-1.5-2 36 500
GCCOMP-2-2.5 39 500
GCCOMP-2.5-3 37 200
GCCOMP-3-3.5 38 200
GCCOMP-3.5-4 39 250

OCM Limited Warranty

All recommendations, statements and technical data contained herein are based on tests we believe to be reliable and correct; however, accuracy and completeness of said tests are not guaranteed and are not provided as an express or implied warranty. User shall rely on his or her own information and tests to determine suitability of the product for the intended use and user assumes all risk and liability resulting from his or her use of the product. In the event that a product supplied by OCM, Inc. proves to not meet the OCM, Inc. published dimensional or other specifications of the product, an OCM, Inc. representative will review such product and circumstances to determine whether a replacement is warranted. OCM, Inc.'s and its manufacturer's sole responsibility shall be to replace, at OCM, Inc.'s sole discretion that product or portion of the product which OCM, Inc. deems to be defective, within six months of the delivery of the product. OCM, Inc. disclaims all other warranties or conditions, whether express or implied, including an implied warranties of merchantability or fitness for any particular purpose. In no event shall OCM, Inc. or its parent or affiliated companies be liable for delay caused by defects, for loss of use, or for any indirect, incidental, special, or consequential damages or for any charges or expenses of any nature whatsoever. In no event shall OCM, Inc.'s liability exceed the purchase price paid for the particular affect OCM, Inc. products.

OCM, Inc.

1120 E. Peterson Road, Grayslake, IL 60030
Toll Free: 866-457-5710 • Phone: 847-462-4258 • FAX: 847-462-4259
Please do not place orders with this email address, it is for informational purposes only.