The OCM Adjustable Uni-chair 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 Diameter |
(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 |
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