Hydro-Marine Construction Co., Inc.
Hainesport, NJ 08036
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Our Story
Mission Statement
The Castle Group are marine structural engineers and contractors for operators of and consultants to entities in need of underwater inspection, design, and construction services. Our dual expertise of superior design/build services conveniently provides our customers with seamless, innovative, cost-effective solutions.
Our History
Founded by William J. Castle in 1983, W. J. Castle & Associates has been known for its marine engineering expertise. We employ Engineer-Divers who are proficient at underwater diagnostics and reporting, with the ability to develop repair designs as needed. Hydro-Marine, founded in 1997, is the construction division of The Castle Group and is staffed with highly trained, certified commercial divers (Association of Diving Contractors international / ADCI). Hydro-Marine is a certified Woman Business Enterprise (WBE) in multiple states. Simplified Bridge Systems was established in 2001, and since then two of our bridges have won awards from NJDOT for Quality and Initiative.
Commercial Experience
Misc Project
Bridge
Dams & Levies
Design Build
Marine
Non-Building Construction
Park / Playground
Power Generation & Distribution
Pre-Manufactured Structures
Road / Highway
Sewage / Water Treatment Plant
Regions & Counties Serviced
- New Jersey - Central and Southern
Delaware All
Maryland All
New Jersey All
New York All
Pennsylvania 15
- Adams
- Berks
- Bucks
- Chester
- Cumberland
- Dauphin
- Delaware
- Franklin
- Lancaster
- Lebanon
- Lehigh
- Montgomery
- Perry
- Philadelphia
- York
Virginia All
Our CSI Codes
03 37 26 - Underwater Placed Concrete
06 13 33 - Heavy Timber Pier Construction
31 63 19.13 - Rock Sockets for Piles
31 77 13 - Trench Excavation for Submerged Tunnels
31 77 19 - Floating and Laying Submerged Tunnels
33 71 39.33 - Underwater High-Voltage Wiring
33 71 49.33 - Underwater Medium-Voltage Wiring
35 01 30 - Operation and Maintenance of Coastal Construction
35 01 40 - Operation and Maintenance of Waterway Construction
35 01 40.92 - Preservation of Water Courses
35 01 50 - Operation and Maintenance of Marine Construction
35 05 30 - Common Work Results for Coastal Construction
35 05 50 - Common Work Results for Marine Construction
35 06 30 - Schedules for Coastal Construction
35 06 50 - Schedules for Marine Construction
35 12 33 - Marine Navigation Equipment
35 20 13.16 - Hydraulic Bulkheads
35 20 13.19 - Hydraulic Manifolds
35 20 13.23 - Hydraulic Penstocks
35 20 13.26 - Hydraulic Trashracks
35 20 16 - Hydraulic Gates
35 20 16.13 - Hydraulic Spillway Crest Gates
35 20 16.19 - Hydraulic Head Gates
35 20 16.26 - Hydraulic Sluice Gates
35 20 16.33 - Hydraulic Miter Gates
35 20 16.39 - Hydraulic Sector Gates
35 20 16.46 - Hydraulic Tainter Gates and Anchorages
35 20 16.53 - Hydraulic Vertical Lift Gates
35 20 16.59 - Hydraulic Closure Gates
35 30 00.00.01 - Coastal Construction
35 31 16 - Seawalls
35 31 16.13 - Concrete Seawalls
35 31 16.19 - Steel Sheet Piling Seawalls
35 31 16.23 - Timber Seawalls
35 31 16.40 - Stone Seawalls
35 31 19 - Revetments
35 31 19.13 - Sacked Cement-Sand Revetments
35 31 19.16 - Concrete Unit Masonry Revetments
35 31 19.40 - Stone Revetments
35 31 23 - Breakwaters
35 31 23.13 - Rubble Mound Breakwaters
35 31 23.16 - Precast Breakwater Modules
35 31 26 - Jetties
35 31 26.13 - Concrete Jetties
35 31 26.16 - Concrete Unit Masonry Jetties
35 31 26.40 - Stone Jetties
35 31 29 - Groins
35 31 29.13 - Concrete Groins
35 31 29.16 - Concrete Unit Masonry Groins
35 31 29.26 - Steel Groins
35 32 13 - Scrap Material Artificial Reefs
35 32 13.13 - Scrap Concrete Artificial Reefs
35 32 13.33 - Sunken Ship Artificial Reefs
35 32 16 - Constructed Artificial Reefs
35 32 16.13 - Constructed Concrete Artificial Reefs
35 32 16.19 - Constructed Steel Artificial Reefs
35 40 00.00.01 - Waterway Construction and Equipment
35 42 37 - Riprap Bank Protection
35 42 53 - Wall Bank Protection
35 43 37 - Riprap Scour Protection
35 49 23 - Waterway Locks
35 49 23.13 - Concrete Waterway Locks
35 49 23.23 - Piling Waterway Locks
35 50 00.00.01 - Marine Construction and Equipment
35 51 13 - Floating Piers
35 51 13.23 - Floating Wood Piers
35 51 13.26 - Floating Plastic Piers
35 51 23 - Pontoons
35 52 13 - Fixed Offshore Platform Construction
35 52 23 - Semi-Submersible Offshore Platform Construction
35 52 33 - Floating Offshore Platform Construction
35 53 53 - Underwater Structures Construction
35 53 63 - Underwater Waterproofing
35 59 13 - Marine Fenders
35 59 13.16 - Resilient Foam-Filled Marine Fenders
35 59 13.19 - Rubber Marine Fenders
35 59 23 - Buoys
35 59 23.13 - Mooring Buoys
35 59 23.16 - Anchor Pendant Buoys
35 59 23.19 - Navigation Buoys
35 59 29 - Mooring Devices
35 59 29.16 - Laser Docking Systems
35 71 19 - Rockfill Gravity Dams
35 73 16 - Rock Embankment Dams
35 79 13 - Fish Ladders
35 79 13.13 - Concrete Fish Ladders
Associations & Memberships
ADC (Assn. of Diving Contractors)
UTCA (Utility Transportation Contractors Assn. of New Jersey)
DBE (Disadvantaged Business Enterprise)
New Jersey Transit
SBX (Small Business Exchange)
WBENC (Women's Business Enterprise National Council)
NJDEP (New Jersey Department of Environmental Protection)
NJDOT (New Jersey Dept. of Transportation)
Pennsylvania Dept. of General Services
ESBE (Emerging Small Business Enterprise)
