Hoisting Machine Design
Guidelines For Approval Of Hoisting Machine Design
Every hoisting machine which is power driven by electricity, diesel, pneumatic and other means for lifting, raising or lowering load except manual hoist and material handling equipment shall possess a valid Certificate of Fitness. The design of every hoisting machine must be appraised by Design Section of the Department of Occupational Safety and Health before the machine is been fabricated, installed and used.
Hoisting Machine Categories
There are four categories of hoisting machine under this guideline:
||Hoisting machine which is designed, customized and fabricated according to the user’s needs and specification|
|B||Mass produced hoisting machine|
||Amusement park ride and other type of hoisting machine which is not under category A, B & D|
||Hoisting machine usually used at offshore and construction site|
The list of type of hoisting machine in each of those categories can be found in Appendix 2
Fabrication of Hoisting Machine
All hoisting machine made locally must be fabricated by a Competent Firm registered with the Department of Occupational Safety and Health
Model Re-Confirmation for Mobile Crane, Crawler Crane, Truck Mounted Crane, Injection Type Piling Machine, Auger Crane and Mobile Elevating Work Platform
The approval of these type of machine is based on model. Applicant may write in officially or apply online through SKUD system for inquiry on whether the said model had been approved.
Change of Hoist of the Same Model (for OTC and Monorail only)
When there is a change of new unit of hoist of the same maker and model of the existing approved OTC and monorail design, there is no requirement to resubmit another design approval. Owner is to notify the change of the said hoist to DOSH State Office.
Change of Hoist of a Different Model (for OTC and Monorail only)
When there is a change of new unit of hoist of same or lower safe working load (regardless of the model and manufacturer of the hoist) than the existing approved assigned safe working load for the crane system, a new submission for design approval is not required with the condition the approved safe working load also been lowered to the hoist capacity. Owner is to notify the change of the said hoist to DOSH State Office.
Hoist More Than 5 Years (for OTC and Monorail only)
If the hoist intended to be used is more than 5 years after its fabrication date, the competent firm should carry out an integrity test and re-certify the hoist before submitting the design approval.
Design approval is not required for monorail crane with safe working load of 4 tons and below only, provided that the girder is of I or H beam of standard properties. However, this type of monorail crane still requires a basic engineering drawing and calculation which are endorsed by a local Professional Engineer before registering with DOSH State office.
In addition, the following hoisting machines are exempted from obtaining design approval and certificate of fitness:-
- Boring rig
- Drilling rig
- Piling machine mounted on crawler track only
- Winch for towing vehicle only
- Dock leveler
- Gangway tower
- Vertical conveyor
- Tail lift
- Automatic Storage and Retrieval System (ASRS)
- Monkey hoist with maximum lifting load of 80kg and maximum lifting height of 9m only
- Air or pneumatic hoist with safe working load of 500kg and below only
All re-engineered machine must be re-evaluated, re-drawn and re-calculate by a competent firm registered with the Department of Occupational Safety and Health in the scope of the said hoisting machine. Applicant is to clearly state in the official application letter for design approval that it is a re-engineered hoisting machine.
Any modification to the existing approved design will cause the current Certificate of Fitness to be revoked and the modified design shall be re-submitted for appraisal. Modification can only be carried out by registered competent firm in the scope of the said hoisting machine or the original manufacturer. Applicant is to clearly state in the official application letter for design approval that the said hoisting machine has been modified.
Special Assessment Report
For mobile and crawler crane which are more than 10 years old, a special assessment is to be carried out by Inspecting Authority in accordance to ISO 12482-1.
Erection, Maintenance and Dismantling
Certain machinery such as tower crane, passenger hoist, mast climbing work platform and gondola (suspended platform) required to be erected by a competent firm registered with the Department of Occupational Safety and Health.
Such appointment letter shall be attached with the submission should the applicant is other than the competent firm.
Crane/Hoist Lifted Work Platform
Hoisting machine which is not designed to carry worker/human is not allowed to suspend the worker/human on a working platform from a crane/hoist to perform any work. Unless there is a strong justification for it, please contact the hoisting machine unit officer for more details on the application.
All applications submitted online will be processed within 30 days from the date of submission.
The online application system, SKUD (http://skud.dosh.gov.my:88/default.aspx is best viewed with Internet Explorer 7 & 8. Other internet browsers (e.g. Firefox, Chrome, Safari) are not compatible with the system. If using Internet Explorer 9 and above, please adjust the compatibility view setting (under “tools” at the menu bar) in order to access the system.
Any questions may be asked to:
Hoisting Machine Unit
Industrial Safety Division
Department of Occupational Safety and Health
Level 3, Block D4, Parcel D
Federal Government Administrative Centre
62530 W. P. Putrajaya
Tel : 03 – 8886 5342
Fax : 03 – 8889 2349