About
Langan is a dredging contractor serving New Haven, CT. They offer dredging services. Contact them directly to discuss scope, access and mobilisation.
Hours
| Monday | 8:30AM-5PM |
|---|---|
| Tuesday | 8:30AM-5PM |
| Wednesday | 8:30AM-5PM |
| Thursday | 8:30AM-5PM |
| Friday | 8:30AM-5PM |
| Saturday | Closed |
| Sunday | Closed |
Frequently Asked Questions — New Haven, CT
How far will you travel, and why does mobilisation show up as a separate line item?
For a dredging project, mobilisation covers moving the dredge plant, support equipment, crew, and any diving spread to your site. Distance, draft, access, and the need for barges or cranes all affect that charge. Especially in New Haven, CT, mobilisation is often the single largest difference between bids because one contractor may have a project nearby while another is coming in from out of state.
Who handles the permits, and how does scheduling normally work?
Dredging is regulated at the federal, state, and sometimes local level. A contractor supports your permit application, but the owner typically secures the USACE Section 10/404 permit and any state water quality certifications. Work windows are often restricted by environmental seasons, and scheduling is built around tides, weather, and any in-water constraints. In CT, state agency calendars can be tight, so early coordination is wise.
How is dredging priced, and why are the quotes so different?
Most dredging work is unit-priced per cubic yard removed, with a separate mobilisation charge. Some jobs are quoted as a crew/spread day rate, especially if you need diver verification or if the scope is uncertain. The mobilisation and demobilisation line is the typical reason one bid looks high or low, so compare that number carefully. If you are also looking at underwater inspection, that is usually priced per structure or per substructure unit.
What will you give me when the work is complete?
You should receive pre- and post-dredge hydrographic survey data, a volume removed calculation, and disposal documentation. A responsible contractor will also supply daily logs and a final summary so you can verify the pay quantity. For any diving-specific work, the dive team provides a report consistent with OSHA 29 CFR 1910 Subpart T, and for bridge inspections it would follow NBIS requirements if applicable.
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