The OCM Adjustable Plastic Unichair ® is a versatile and very strong plastic 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.
- Plastic 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 |