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Manhole – 15″ X 23″ Raised Coaming

Manhole – 15″ X 23″ Raised Coaming


    • High strength carbon steel construction
    • Hardware combinations of dissimilar metal prevent galling and corrosion (Not available on all models – see Manhole Matrix for details)
    • High-quality neoprene rubber gaskets ensure water tight seal (oil restant Buna-N Optional)
    • Neoprene Gasket material is UV resistant to prevent cracking and memory fatigue

This hatch is ABS Certified for use on ABS classed vessels or facilities by the American Bureau of shipping on ABS Certificate Number: 16-HS1537411-PDA.
Baier’s complete line of multi-bolt manholes serves as a great inexpensive option for applications where frequent access is not required. Ideal for tank top covers, fuel and water tank access, inspection access to ship voids, barges, sanitary and digester tanks, clean outs and more. These watertight manholes feature simple designs and utilize high strength steel.
Feature Description
All of our manholes meet the ABS (American Bureau of Shipping) requirements for design and materials
Baier™ offers a complete line of manholes with configurations and hardware combinations to meet your requirements. These industry-standard manholes are used on workboats, and equipment worldwide. Baier’s simply-designed manholes have served the industrial marine and fishing industries for the past 60 years.

Model Number Description Downloads Part Number Clear Opening In. (mm)
UMC-501 Raised 15×23 20-Bolt Manhole w/ 2.5″ Coaming Cutout & CAD Files:
02570-101A 15 x 23 (380 x 584)
BMHC15X23X4BS Manhole – 15×23 4″ Raised Coaming 02570-105A 15″ X 23″

Disclaimer of Liability: PDF Cutout drawings and Autocad® Cutout drawings (the “Drawings”) are provided for convenience only without warranty of any kind. Baier makes no representation regarding the completeness, accuracy, reliability, timeliness or compatibility of the Drawings or that the Drawings will be error-free. Baier assumes no responsibility or liability for anyone's use of the Drawings, and Baier shall not be liable for any loss or damage of whatever nature (direct, indirect, consequential, or other) whether arising in contract, tort or otherwise, which may arise as a result of anyone’s use of the Drawings.

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For a complete list of all available Baier Products formatted in PDF and DXF, go to our Download Library.