3D SEA LLC

3D Sea LLC provides bid support for contractors across Massachusetts, New Hampshire, Vermont, Connecticut, and Rhode Island. From geotechnical report reviews to earthwork and materials takeoffs, vendor quote requests, and pricing support, we deliver accurate, timely estimates that strengthen proposals and help you win competitive projects across New England.

At 3D SEA LLC, we offer professional CAD (Computer-Aided Design) services tailored to meet the demands of contractors, landscapers and developers. With a focus on accuracy, clarity, and efficiency, our CAD solutions help streamline project workflows throughout construction. Whether you need 2D linework optimization, complex 3D modeling, or point file… Read More

At 3D SEA LLC, we deliver comprehensive field survey services designed to support every phase of your site development and construction projects. Our skilled survey teams harness the latest GPS surveying technologies to provide accurate setup, precise stakeout, and reliable as‑built data collection. From initial system localization to final point… Read More

At 3D SEA LLC, our Grading Review & Design services ensure your site meets critical drainage and accessibility standards. Our expert team combines civil engineering principles with ADA guidelines to deliver precise grading solutions. The end result being a ‘For Construction’ grading design that is especially critical, and required, for… Read More

At 3D Sea LLC, we specialize in producing precise linework and 3D model files formatted specifically for GPS survey and machine‑control systems. Whether your crews rely on Topcon, Trimble, or Carlson SurvPC, our deliverables integrate seamlessly— minimizing field errors, reducing setup time, and keeping your project on schedule. Our Services… Read More

At 3D SEA LLC, we specialize in creating accurate as-built plans to document current and final conditions for all needs. Our deliverables are provided in both CAD and PDF formats to ensure compatibility with all. What We Offer Why Choose 3D SEA LLC? Ensure your project is properly documented with… Read More

3D SEA LLC offers expert consultation and hands-on training services tailored for professionals in the surveying and construction industries. With decades of field experience, we provide practical guidance to help teams optimize performance, accuracy, and efficiency. Our Areas of Expertise Whether you’re looking to train a new crew, improve your… Read More