About
T&J Waterfront Services, a marine construction contractor, operates out of Howell, MI. Their service range includes boat lift installation, marine construction and seawall repair. Contact them directly to discuss scope, access and mobilisation.
Hours
| Monday | 7AM-7PM |
|---|---|
| Tuesday | 7AM-7PM |
| Wednesday | 7AM-7PM |
| Thursday | 7AM-7PM |
| Friday | 7AM-7PM |
| Saturday | 7AM-7PM |
| Sunday | Closed |
Frequently Asked Questions — Howell, MI
For a project in Howell, MI, how is the mobilisation charge calculated, and why do bids vary so much on this line?
Mobilisation is a separate line item from the daily crew/spread rate. It covers transporting the dive spread, equipment, and crew to the site, so it changes with distance, transit time, and site access. On a short job it can be a large share of your total quote; two firms with similar daily rates can differ by thousands just on mobilisation.
How should I compare quotes for pile and bulkhead work — what exactly am I paying for?
Marine construction is usually unit-priced: per linear foot of bulkhead, per pile, or per structure for inspection. Commercial diving time is quoted as a crew/spread day rate with a separate mobilisation charge. Make sure the written quote separates materials, labour, dive spread time, and mobilisation so you can compare apples to apples.
Can you perform the work with divers in the water, or does my structure need to be hauled out or dewatered?
In-water diving can handle many inspections and repairs, which avoids the cost and disruption of haul-out or dewatering. But some defects — such as spalled concrete above the low-water line, or seal problems that need dry repair — are better done in dry conditions. The trade-off is usually between dive spread day rates and the cost of dry access; a reputable firm will recommend the safer and more economical method for your specific asset.
What qualifications and insurance should my marine contractor actually have?
For commercial diving, the work falls under OSHA 29 CFR 1910 Subpart T, and reputable firms follow ADCI consensus standards; the dive team includes a standby diver, and recreational scuba certifications don't apply. For bridges, underwater inspection may require an FHWA-NHI qualified team leader, and potable water structures involve AWWA standards. Beyond that, the contractor should carry appropriate general liability, workers' compensation, and maritime insurance.
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