Adjustable Unichair ®
Technical Product Data Sheet
Description
The OCM Adjustable Unichair ® is a versatile and very strong polymer composite support that uses three individual chair/Holder Assemblies to accommodate 3" to 18-1/2" heights.
Features
- Base is internally threaded to accommodate a coil threaded cradle.
- Polymer Composite Threaded Cradle has the exact height molded into the threaded rod to ensure the proper height is achieved.
- Dual cradle head allows for 2 different heights 1/2" apart.
- Tapered footprint for minimal surface contact on wood decks.
- Chair can be used for many applications for rebar/mesh, post tension strand, and ledger supports in tilt walls and precast panels.
- Ideal solution for sloping slabs/roofs or curved panels.
- Direct replacement for Metal Screed Chair in Bridge Deck applications.
- Removable Cradle can be replaced with steel Pipe Holder.
| OCM Part No. | Thread Diamter |
(H) Base Height |
(L) Cradle Length |
Cradle Opening |
Height Range | Load Test (lbs) | ||
|---|---|---|---|---|---|---|---|---|
| Min | Max | Min Height | Max Height | |||||
| PHCA3-5.5 | 1/2" | 2.56" | 4.33" | 1.19" | 3" | 5-3/4" | 2,088 | 535 |
| PHCA6-10.5 | 3/4" | 5.17" | 6" | 1.26" | 6" | 10-1/2" | 1,565 | 472 |
| PHCA10-18.5* | 3/4" | 9.17" | 9" | 1.26" | 10" | 18" | 1,584 | 300 |
Comments: * Recommended maximum height of 14” for the PHCA-10-18.5 due to lateral loading conditions that can place excessive torque and bending forces on the plastic coil thread.
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.