Side /Wall / Fresh concrete Davit hoist base (21017) Suits UCL, DBI , Durahoist Pelsue and Most davit arms. Application: This unit can be monted on the side of a pit or wall. The unit can also be inserted into fresh concrete. General Construction: 316L Stainless Stell Weld Certification: AWS Sleeve Bearing Material: PVC Pipe Material: High Density Polyethylene Technical Rated Capacity: 450lbs (204kg) working load limit @ minimum 4:1 Design Factor Mast Moment Proof Load 90,000 in-lbs (10,200 N.m) Mast Rotation 360° Weight 8lbs (3.6kg) Note: Sleeves are designed to withstand the proof Application Restrictions 1.Sleeves are for use with approved masts and accessories ONLY. 2.System design factor depends on other system components and the configurations in which they are assembled. 3.If base material does not meet minimum requirements, reinforcement MUST be added to meet minimum requirements. 4.Each installation MUST be approved to local standards by a qualified engineer.