4-Stall Restroom Trailer: Winter Construction, Denver CO
A top national engineering/EPC firm needed white-glove restroom and sanitation support at a downtown Denver construction site — through cold-weather months and a long build — from a vendor it had never used. Stahla cross-shipped a 4-stall trailer from its Kansas City shop, installed freeze protection for the full run, and serviced it locally out of Denver. The first job turned into a multi-city national account.
The Project
A top national engineering and EPC firm needed reliable, white-glove restroom and sanitation support at a downtown Denver construction site. It was a multi-month build, it started in cold weather, and it was the firm's first time using Stahla — the kind of first impression that decides whether a national account ever calls a second time.
The Challenge
Three things raised the stakes. First, freeze risk: the deployment started in Denver's cold months, and an unprotected restroom trailer can freeze and go out of service. Second, duration and reliability — this was a long engagement where the units had to keep running, not a weekend rental. Third, geography: the work was in Denver, and meeting it meant moving equipment and service across markets rather than pulling from a single local yard. For a brand-new national-account relationship, anything less than flawless would have been the firm's lasting impression.
What Stahla Delivered
Stahla delivered a 4-stall restroom trailer fitted with its HeatLock freeze-protection system for the full duration, supplemented with portable toilets, an ADA-compliant unit, and a handwashing station, on weekly pump-out servicing. The trailer was cross-shipped from Stahla's Kansas City shop to Denver, then serviced locally out of the Denver shop — a multi-shop hand-off that let Stahla put the right unit on a Denver site without missing a beat.
Execution
The trailer was dispatched from the Kansas City shop, and Denver-based technicians set the unit and its HeatLock system on the delivery date. Servicing — including weekly pump-outs — was run locally out of Denver, with a single on-site point of contact for the firm. Stahla worked on the firm's commercial terms (net-30, no deposit, against its standard purchasing process) and ran the account as a deliberate "red carpet" first impression. The freeze protection ran the entire job, keeping the unit operational through the cold-weather start the client had never had to plan for before.
The Result
The equipment was delivered and serviced on schedule across consecutive monthly service cycles. More telling than any single deployment: the firm became a multi-city national account, engaging Stahla on additional projects in other states beyond this Denver job. A cautious first booking with a new vendor turned into a repeatable, multi-state relationship — the outcome every national account is really a test for.
Why Stahla
This job came down to two capabilities most restroom companies don't have. First, cross-market reach — Stahla sourced the unit from one shop and delivered and serviced it from another, so being "out of town" was never the client's problem. Second, cold-weather engineering — the HeatLock system kept the trailer running through a freezing start the client had never had to account for. Pair that with white-glove, single-point-of-contact service on the firm's own commercial terms, and a first job becomes a national account.
Planning Considerations for Your Project
- ✓In cold-weather starts, winterization has to be part of the operating plan. HeatLock should be scoped before delivery, not added after a freeze risk appears.
- ✓Cross-market jobs need clear ownership between the shop that supplies the unit and the shop that services it.
- ✓For first-time national-account work, align commercial terms, purchase-order process, site contact, and service cadence before the unit leaves the yard.
- ✓For construction sanitation planning, use OSHA 29 CFR 1926.51 as the anchor, then confirm restroom, ADA, handwashing, and freeze-protection requirements together.