About
Eco Waterway Services, an underwater inspection and survey firm, operates out of Waukesha, WI. Their service range includes underwater inspection. Reach out for a quote covering crew, equipment and mobilisation.
Hours
| Monday | 8AM-6PM |
|---|---|
| Tuesday | 8AM-6PM |
| Wednesday | 8AM-6PM |
| Thursday | 8AM-6PM |
| Friday | 8AM-6PM |
| Saturday | 8AM-6PM |
| Sunday | Closed |
Frequently Asked Questions — Waukesha, WI
Why do two bids for the same underwater inspection come in so far apart?
Commercial diving is usually quoted as a crew and spread day rate, plus a separate mobilisation charge to get the barge, compressor, and dive team to your site. Mobilisation often explains the largest gap between bids because it depends on distance, marine transit time, and local logistics. In Waukesha, WI, a nearby yard may have minimal mobilisation, while an out-of-state contractor may need to move equipment and crew for several days. Ask each bidder to break out the mobilisation line so you are comparing the same scope.
Who handles the permits and scheduling for an underwater inspection on a bridge or dam?
The dive contractor typically coordinates waterway notifications and any USACE or state land-use permits, but local regs vary, so confirm before you commit. For bridge work in Waukesha/WI, the owner is responsible for the NBIS inspection interval under 23 CFR 650.311, while the dive team supplies the FHWA-NHI qualified team leader and works around river traffic, currents, and any in-water work windows. Ask the contractor what permits they will obtain and what schedule constraints they anticipate, because federal and state agencies can require weeks of lead time. For intakes or gates, the owner must also coordinate isolation and tag-out—delta P is a lethal hazard, and the dive team cannot control that by itself.
Do I have to dry-dock the structure for a proper condition report, or can divers do it in the water?
For ships and floating assets, an in-water UWILD exam under 46 CFR 71.50-3 is often accepted by the USCG for selected hull areas, but certain bottom and stern sections still require a dry-dock or haul-out inspection. For fixed structures like tanks and piers, diving can reach most members, but mudline, fendering, and splashboard zones may need dewatering or cleaning to be defensible. For concrete piers, ACI and USACE EM 385-1-1 guidance applies, and the report must state which areas were actually viewed and cleaned. The trade-off is cost—an in-water survey avoids dry-dock fees but may have limited visibility and access—so you need an engineer to decide if the coverage meets the regulatory trigger.
What does a defensible written condition report include, and what certifications should the dive team hold?
A defensible report documents observations, photos, measurements, and a clear opinion on condition and remaining life, and it must be signed by a qualified diver and often a Professional Engineer, depending on the asset. For bridges, the team lead must meet FHWA-NHI qualifications under 23 CFR 650; for potable water tanks, the report should follow AWWA M42 and include post-dive disinfection per AWWA C652. The dive contractor itself should run to OSHA 29 CFR 1910 Subpart T with ADCI-compliant supervisors, and proof of commercial general liability and workers' comp insurance. Since scuba certification is not a commercial qualification, ask for commercial dive credentials and a copy of the dive plan with a designated standby diver.
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