3M™ DBI-SALA® Confined Space Integrated Manhole Collar Davit Mast Base 8510457, Aluminum, 21.5 in, Fits 22 – 24 in

  • Part Number 8510457
  • 3M Product Number 8510457
  • 3M ID 70007492963

Welded aluminum construction

Built-in carrying handles make it transportable

Set up and dismantle without tools

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  • Welded aluminum construction
  • Built-in carrying handles make it transportable
  • Set up and dismantle without tools
  • Recommended for use in any industry requiring access to manholes
  • Available in multiple sizes to fit a wide range of manhole diameters
  • Accommodates offset davit masts

The 3M™ DBI-SALA® Confined Space Manhole Collar Davit Base provides for worker entry and retrieval through small openings. Used in conjunction with a davit mast, it forms a confined space rescue and work support system.

The hoist system bases are designed for manhole and confined space entry/retrieval applications. Portable units are constructed of lightweight high strength aluminum and adjust to fit most standard entries. Our permanent and clamp on bases are available in aluminum, zinc plated and stainless steel construction offering maximum flexibility. We offer bases for a variety of applications including floor, wall, core, deck, flush, barrel, forklift and hitch mount to name just a few. All bases are designed to use in combination with a davit mast, and together form a perfectly matches confined space rescue and work support system. When it comes to confined space entry/rescue, it is essential that equipment operates perfectly and quickly. DBI SALA® has an extensive line of rescue and retrieval systems with decades of proven field service. Safety engineers and site directors trust DBI SALA® for the type of high quality, rugged systems that will ensure top performance when it is needed the most.

Typical properties


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Large Volume Order

Related Products

Brands DBI-SALA®
Case Quantity 1
Connected Safety ID Equipped No
Install Type Portable
Material Aluminum
Net Weight (Imperial) 37 lb
Net Weight (Metric) 16.8 kg
Product Color Green
Product Series Advanced™
Product Type Manhole Collar Davit Base
Recommended Industry Construction, General Industrial, Mining, Oil & Gas, Transportation, Utilities
Specifications Met OSHA 1910.66
Weight (Imperial) 16.8 kg
Weight Capacity 450 lbs. (204 kg)

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For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert. If this product is being purchased for use in firefighting duties, please review this Notice Regarding Fluorinated Organic Compounds.