IP SAFE- Stge & dist Volume 3.00
New ISBN 9780852934364
Model Code of Safe Practice Part 16: Tank cleaning safety code
Date Published: August 2008
Published by: Energy Institute
EI Tank cleaning safety code gives guidance on safety, health and environmental protection risk assessment and management for tank cleaning operations. It has been prepared on the basis that most tank cleaning operations are outsourced by clients to specialist contractors. For the former, the Model Code provides information that should help them understand the contractor's operations and sets out necessary client organisational and work control arrangements that should protect people, assets and the environment. Whereas for contractors, the Model Code stresses the need for proper planning, control and execution of tank cleaning operations: it identifies typical hazards and pertinent control measures to reduce risks, including organisational arrangements and equipment specifications, and sets out good practice. Such information should be helpful to contractors when developing their own cleaning procedures. Therefore, the Model Code is intended for use by both clients and tank cleaning contractors, and should be read by client installation managers, project engineers, maintenance managers, maintenance contractors, and safety advisors.
The third edition of this Model Code of Safe Practice replaces the second edition published 1996. Major changes have been made to:
· Provide additional guidance on environmental protection.
· Recognise that most tank cleaning operations are outsourced to specialist contractors.
· Provide guidance on client responsibilities before and during tank cleaning projects.
· Provide additional guidance on fire and explosion hazards.
· Provide additional guidance on health risk assessment for hazardous substances.
· Provide guidance on sludge waste management.
· Provide guidance on general principles in equipment selection.
· Provide guidance on the selection of personal protective equipment, including respiratory protection equipment.
· Provide guidance on the hazards and control measures for use of grit and shot blasting equipment, water jetting equipment and steam cleaning equipment.
· Provide guidance on the isolation of instrumentation and fire protection.
· Clarify the types of work that may be carried out through open access points and provide guidance on pertinent control measures.
· Provide guidance on the use of hydrocarbon re-circulation and warm water re-circulation for initial tank cleaning from outside the storage tank.
· Provide additional guidance on confined space access.
· Clarify hazards to personnel working in storage tanks and provide guidance on pertinent control measures.
· Provide guidance on the content of a declaration of cleanliness.
· Provide guidance on the recommissioning of instrumentation and fire protection.
· Provide guidance on retaining storage tanks out of service ('mothballing').
· Provide guidance on static electricity hazards in switch loading and pertinent control measures to reduce risks.
· Clarify the consequences of hydrogen sulfide exposure at various concentrations.
· Provide guidance on the principles, models and applications of chemical detector tubes for gas detection.
· Provide guidance on the specification and control measures for using vacuum tankers.