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Solar farm install spread over 60 acres: cluster units at the laydown yard or scatter them down the rows?

Tyler R.asked 1 viewConstruction & Job SitesConstructionJob siteSolarPlacementService visitUnit count

We're starting a ground mount solar install next month. Crew will run around 40 at peak, and the array covers roughly 60 acres split into blocks. The laydown yard and job trailer sit at the front gate, but most days the installers are working rows that are a 10 to 15 minute walk from there, and nobody wants to burn that time twice a day.

My plan was to put most of the units at the laydown yard and drop one or two out at whichever block is active, then leapfrog them as we move. Is that how other people handle big spread out sites, or is it smarter to just order more units and park them along the access roads?

Also, the internal roads are compacted gravel but they rut up after rain. Will a service truck run those, or should every unit stay near the main gate road?

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Ray M.Dallas, TX

Scatter units along the access roads. OSHA 1926.51 requires at least two units (one toilet and one urinal) for your crew of 40, but on a 60-acre site, you need to place them where the work is happening. Walking 15 minutes to the laydown yard costs you over an hour of labor per person per day. That labor cost will quickly outweigh the cost of renting extra units.

Leapfrogging one or two units sounds good on paper, but it adds weekly moving labor and risks units being in the wrong place when a crew needs them. I service sites like this. Put small clusters of two or three standard units at central points along the main internal access roads, near where the crews park their trucks. You will need more than the OSHA minimum because of the distance between clusters. Remember the ADA cluster rule: if you have multiple clusters, each needs an ADA-compliant unit.

Your driver's vacuum truck can handle compacted gravel roads, even if they are rutted, as long as the ground is firm and the truck has a clear path. The key is truck access: place each unit within 25 feet of where the truck can safely park on service day. If a unit is blocked, it's a missed service and you still get billed for the trip. Talk to your rental company about the road conditions; they will tell you if their truck can make it or if you need to keep units nearer the main gate.

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