ISO 12216:2020
Small craft — Windows, portlights, hatches, deadlights and doors — Strength and watertightness requirements
This document specifies technical requirements and test methods for windows, portlights, hatches, deadlights and doors on small craft with a length of hull, LH, as defined in ISO 8666:2016, of up to 24 m. It takes into account the type of craft, its design category, and the location of the appliance.
The appliances considered in this document are only those that are critical for the craft's watertightness.
Openings and non-opening devices fitted below area I (see 3.5.2) are excluded from the scope of this document.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
3.1 General definitions of openings and their coverings
3.2 Devices covering an opening
3.3 Plate of an appliance
3.4 Specific appliances
3.5 Areas definition
3.6 Plate end-connections
3.7 Types of glass
3.8 Watertightness
3.9 Other general definitions
4 General requirements
4.1 Requirements of other International Standards
4.2 Strength of appliances
4.3 Watertightness of appliances
4.3.1 Minimum degree of watertightness
4.3.2 Additional requirements for appliances related to watertightness
5 Plate materials
5.1 General
5.2 Acrylic sheet materials
5.3 Glass
5.3.1 Restrictions of usage
6 Specific requirements of appliances
6.1 Plate end connection and location
6.1.1 Simply supported plates
6.1.2 Semi-fixed plates
6.2 Fastening requirements
6.2.1 Fastening of plates and frames
6.2.2 Fastening of semi-fixed plates
6.2.3 Fastening of glued plates
6.2.4 Stiffeners and attachments
6.3 Special requirements
6.3.1 Appliances fitted in area I
6.3.2 Appliances fitted in area IIa
6.3.3 Flush deck companionway opening sill heights
6.3.4 Sliding appliances
6.3.5 Washboards
6.3.6 Securing system
6.3.7 Deadlights
6.3.8 Multihull escape hatches
6.3.9 Prefabricated appliances
6.3.10 Appliance systems (composite appliances)
7 Strength assessment
7.1 Assessment methods for appliances strength
7.2 Monolithic plates — Direct calculation methods
7.2.1 Monolithic semi-fixed plates — Direct calculation method
7.2.2 Selection of monolithic plate thickness
7.2.3 Plate aspect-ratio coefficients, kr and kf
7.2.4 Design pressure
7.2.5 Pressure reduction factor
7.2.6 Curvature coefficient
7.2.7 Flexural strength and modulus of elasticity
7.2.8 Safety factor and minimum plate thickness
7.2.9 Monolithic simply supported on 2 sides — Direct calculation
7.2.10 Monolithic simply supported on 3 sides — Direct calculation
7.3 Laminated glass — Direct calculation
7.4 Advanced calculation method
7.5 Pressure test assessment method
Annex A (informative) Location areas of appliances above WLREF
Annex B (informative) Types of plate edge connection
Annex C (normative) Unsupported plate dimensions
Annex D (normative) Test methods
Annex E (normative) High-impact-resistance glass
Annex F (informative) Precalculated tables
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
3.1 General definitions of openings and their coverings
3.2 Devices covering an opening
3.3 Plate of an appliance
3.4 Specific appliances
3.5 Areas definition
3.6 Plate end-connections
3.7 Types of glass
3.8 Watertightness
3.9 Other general definitions
4 General requirements
4.1 Requirements of other International Standards
4.2 Strength of appliances
4.3 Watertightness of appliances
4.3.1 Minimum degree of watertightness
4.3.2 Additional requirements for appliances related to watertightness
5 Plate materials
5.1 General
5.2 Acrylic sheet materials
5.3 Glass
5.3.1 Restrictions of usage
6 Specific requirements of appliances
6.1 Plate end connection and location
6.1.1 Simply supported plates
6.1.2 Semi-fixed plates
6.2 Fastening requirements
6.2.1 Fastening of plates and frames
6.2.2 Fastening of semi-fixed plates
6.2.3 Fastening of glued plates
6.2.4 Stiffeners and attachments
6.3 Special requirements
6.3.1 Appliances fitted in area I
6.3.2 Appliances fitted in area IIa
6.3.3 Flush deck companionway opening sill heights
6.3.4 Sliding appliances
6.3.5 Washboards
6.3.6 Securing system
6.3.7 Deadlights
6.3.8 Multihull escape hatches
6.3.9 Prefabricated appliances
6.3.10 Appliance systems (composite appliances)
7 Strength assessment
7.1 Assessment methods for appliances strength
7.2 Monolithic plates — Direct calculation methods
7.2.1 Monolithic semi-fixed plates — Direct calculation method
7.2.2 Selection of monolithic plate thickness
7.2.3 Plate aspect-ratio coefficients, kr and kf
7.2.4 Design pressure
7.2.5 Pressure reduction factor
7.2.6 Curvature coefficient
7.2.7 Flexural strength and modulus of elasticity
7.2.8 Safety factor and minimum plate thickness
7.2.9 Monolithic simply supported on 2 sides — Direct calculation
7.2.10 Monolithic simply supported on 3 sides — Direct calculation
7.3 Laminated glass — Direct calculation
7.4 Advanced calculation method
7.5 Pressure test assessment method
Annex A (informative) Location areas of appliances above WLREF
Annex B (informative) Types of plate edge connection
Annex C (normative) Unsupported plate dimensions
Annex D (normative) Test methods
Annex E (normative) High-impact-resistance glass
Annex F (informative) Precalculated tables
Bibliography