Originally Posted by LJ Jubner
Well wood will last exactly two sesons for this purpose and then will need to be replaced.
Pressure treated wood that is rated for 'ground contact' will last a heck of a lot longer than 2 seasons. The work that was done on the trail from #4 to #5 at Downriver was done with PT G/C lumber... and that was 3 or 4 years ago...hasn't fallen apart yet
The real issue is that it will definitely be much more than R/R ties. What about stone? Basalt? I've built a few retaining walls with basalt and crushed stone. Granted, not as easy to work with as lumber, but the results are far more durable and blend better with the environment. More to the point; there are plenty of places around Spokane to score truckloads of free basalt.
Really. My favorite spot is on the side of the road in between Sunset Hwy and Wheelabrator.
Where is the majority of the 'erosion control' work needed? I would imagine the stairs leading down from #15 ...maybe establishing a stepped trail down from the #18 tee? Either one could be accomplished with a combination of basalt and PT timbers if level steps are desired; still reducing cost. The city has mountains of 3/4"minus (like the truckload they provided for the parking lot at Downriver), surely we could talk them out of another truckload for Highbridge.
Sorry if this idea has already been thrown around the table and kicked off...just trying to offer a working alternative.