API 2L : 1996 : R2012

1 SCOPE
2 REFERENCES
  2.1 Standards
  2.2 Other References
3 DEFINITIONS
4 PLANNING
  4.1 General
  4.2 Helicopter Selection
  4.3 Operational Considerations
       4.3.1 Function
       4.3.2 Location
              4.3.2.1 Approach Departure Zone
              4.3.2.2 Obstruction Free Zone
       4.3.3 Size
       4.3.4 Orientation
       4.3.5 Access and Egress
       4.3.6 Fire Protection
       4.3.7 Air Turbulence
       4.3.8 Heliport Equipment
       4.3.9 Material Handling
       4.3.10 Drainage
       4.3.11 Maintenance
       4.3.12 Environmental Consideration
5 DESIGN PROCEDURES FOR OFFSHORE HELIPORTS
  5.1 General
  5.2 Design Load
       5.2.1 Dead Weight
       5.2.2 Live Load
       5.2.3 Wind Load
       5.2.4 Helicopter Landing Load Considerations
              5.2.4.1 General
              5.2.4.2 Contact Area
              5.2.4.3 Load Distribution
              5.2.4.4 Design Landing Load
  5.3 Design Load Conditions
  5.4 Installation
  5.5 Material
  5.6 Flight Deck Surface
  5.7 Access and Egress Route
  5.8 Safety Net and Self
  5.9 Tiedown Points
  5.10 Lighting
  5.11 Heliport Markings
       5.11.1 General
       5.11.2 Limitation Markings
       5.11.3 Obstruction Marking
       5.11.4 Closed Heliport
  5.12 Drawings, Specifications and Construction
6 SAFETY CONSIDERATIONS
  6.1 Fueling Stations
  6.2 Wind Direction Indicator
  6.3 Fire Protection Equipment
7 APPLICABLE REGULATIONS

Acts as a guide for planning, designing, and constructing heliports for fixed offshore platforms. It includes operational consideration guidelines, design load criteria, heliport size, marking recommendations, and other heliport design recommendations.