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WSH circulars

Read all the WSH circulars from MOM. They inform stakeholders in the WSH industry about their duties and responsibilities.

WSH circulars 2019

Circular Date Category
MOM / OSHD / 2019-02
Construction worksites are no longer required to register with MOM
19 Sep 2019 Others
MOM / OSHD / 2019-01
Update of SAC accreditation status and submission of ConSASS Audit Report
8 May 2019 SHMS
Reminder on duties of employers in metalworking sector 11 Apr 2019 Others

WSH circulars 2018Show

Circular Date Category
001 / 2018
Issuance of Medical Leave Certificate (MC) or Light Duties to workers with work-related injuries
17 Sep 2018 RTW
Safe riding for delivery work 13 Aug 2018 Others
OSHD / SPECS / ESB / LE / 04-2018
Risk control measures for lift maintenance work
8 Aug 2018 Lift and Hoist
OSHD / SPECS / ESB / LE / 01-2018
Data logger requirements for mobile cranes
27 Jul 2018 Crane
OSHD / SPECS / ESB / LE / 02-2018
Safe use of material hoist for the carrying of goods without persons from one defined level to another
5 Jul 2018 Lifting Equipment
OSHD / SPECS / ESB / LE / 01-2018
Safety clearance for gantry cranes at workplaces
24 Apr 2018 Lifting Equipment
Safe work at heights at completed buildings 1 Mar 2018 Construction Activity

WSH circulars 2017Show

Circular Date Category
OSHD / SPECS / ESB / LE / 03 / 2017
Requirements for non-destructive testing of statutory equipment (Lifting Equipment and Pressure Vessles) under WSH Act
26 Jul 2017 Pressure Vessel
OSHD / SPECS / OH / 01 / 2017
Hazards of Tetramethylammonium Hydroxide (TMAH)
21 Jul 2017 Chemicals
OSHD / SPECS / ESB / LE / 02-2017
Revised statutory examination for lorry cranes
15 May 2017 Crane
OSHD / SPECS / ESB / LE / 01 / 2017
Inspection of data loggers for mobile cranes
12 Feb 2017 Crane
20170125-76
Conduct and submission of ConSASS Audits
25 Jan 2017 SHMS

WSH circulars 2016Show

Circular Date Category
OSHD / SPECS / ESB / AE / 03-2016
Alignment of Authorised Examiner registration to SPE framework
29 Dec 2016 Authorised Examiner
OSHD / SPECS / ESB / AE / 01-2016
Factsheet on alignment to Authorised Examiner registration framework to SPE scheme
28 Nov 2016 Authorised Examiner
OSHD / SPECS / ESB / AE / 02-2016
Updates on requirements related to authorise examiner practices
18 Nov 2016 Authorised Examiner
Shaping a culture of good RoadSense with heavy vehicle community 26 Jul 2016 Others
OSHD / SPECS / ESB / LE / 01-2016
Testing and examination of “Floor Cranes”
30 Jun 2016 Lifting Equipment
20160620-73
ATPs and LSPs must seek MOM’s approval before changing management staff
20 Jun 2016 Others
OSHD / OSHI / CS / 02-2016
Safe storage of combustible materials in construction
1 Jun 2016 Fire / Explosions
OSHD / SPECS / ESB / LE / 01 / 2016
Medical examination requirement for crane operators
23 Mar 2016 Crane
OSHD / SPECS / ESB / PV / 01 / 2015
Quick-opening closures and pneumatic testing
25 Jan 2016 Pressure Vessel

WSH circulars 2015Show

Circular Date Category
OSHD / OSHI / CS / 01-2015
Collapse of reinforcement cage for the thick concrete slab
1 Sep 2015 Construction Activity
OSHD / SPECS / ESB / LE / 02 / 2015
Requirement for data loggers for mobile cranes
1 Aug 2015 Crane
OSHD / SPECS / MHI / PS / 01-2015
Hazards and controls of combustible dusts
23 Jul 2015 Fire / Explosions
OSHD / SPECS / ESB / LE / 01 / 2015
Tower crane control circuit systems
8 Jul 2015 Lifting Equipment
20150618-67
Enhanced demerit points system for the construction industry
18 Jun 2015 Construction Activity
Safe use of storage racks 7 May 2015 Others

WSH circulars 2014Show

Circular Date Category
OSHD / SPECS / MHI / PS / 01-2014
Joint circular on safe handling and use of hydrocarbon refrigerants
20 Feb 2014 Fire / Explosions
Advisory for professional engineers on formwork safety 18 Jan 2014 Construction Activity
OSHD / SPECS / MHI / PS / 01-2014
Revised Singapore Standard SS 506: Part 3
10 Jan 2014 SHMS

WSH circulars 2013Show

Circular Date Category
20131121-062
Safe work practices during thermal fogging treatment
21 Nov 2013 Fire / Explosions
OSHD / SPECS / ESB / ACC / 01-2013
Safe working at heights for Approved Crane Contractors (ACC)
26 Jul 2013 Lifting Equipment
OSHD / SPECS / OH / 07-2013
Prevention of fire during thermal fogging
15 Jul 2013 Fire / Explosions
OSHD / SPECS / ESB / AE / 01-2013
Prohobition of use of proxies to conduct tests and examinations of equipment required by WSH legislation to be certiified by an Authorised Examiner
2 Jul 2013 Authorised Examiner
OSHD / SPECS / ESB / LE / 02-2013
Reminder on mandatory training requirement for lorry crane operators
26 Apr 2013 Lifting Equipment
OSHD / SPECS / ESB / PV / 01-2013
Revocation of the Factories (Persons-In-Charge) Regulations and Factories (Certificate of Competency – Examinations) Regulations
18 Mar 2013 Pressure Vessel
OSHD / SPECS / ESB / LE / 01-2013
Safe operation of gantry cranes at workplaces
4 Mar 2013 Lifting Equipment
OSHD / SPECS / MHI / PS / 01-2013
Vacuum / Gully sucker trucks in petroleum service
21 Jan 2013 Fire / Explosions

WSH circulars 2012Show

Circular Date Category
OSHD / SPECS / OM / SME / 04-2012
Revision of laboratory reference interval for red blood cell acetylcholinesterase levels
18 Dec 2012 Workplace Health
OSHD / SPECS / ESB / LE / 01-2012
Safe use of mobile elevating work platform (MEWP)
1 Oct 2012 Lifting Equipment
OSHD / SPECS / OM / HS / 01-2012
Managing heat stress in the workplace
15 Aug 2012 Workplace Health
OSHD / SPECS / MHI / PS / 01-2012
De-oiling / Removal of flammable liquids from pipelines
2 May 2012 Fire / Explosions
OSD / Kentledge
Load testing on piles
5 Apr 2012 Construction Activity
OSHD / Piling Rig Operation / ME044
Safe operation of piling machines
14 Mar 2012 Piling Machine
OSHD / OSHI / MI043
Safety considerations in gate design and operation
1 Mar 2012 Others
OSHD / SPECS / ESB / LE / 03-2012
Mandatory training requirement for lorry crane operators
15 Feb 2012 Lifting Equipment

WSH circulars 2011Show

Circular Date Category
OSHD / SPECS / ESB / LE / 02-2011
Use of hydraulic jack-in piling (JIP) machines
12 Aug 2011 Piling Machine
OSHD / WSHAOCir / 2011-1
Workplace safety and health (WSH) auditors
21 Jun 2011 SHMS
OSHD / Scaffold
Suspended scaffolding requirements
31 May 2011 Lifting Equipment
20110425-39
Inspection and filling of compressed gas cylinders
25 Apr 2011 Pressure Vessel

WSH circulars 2010Show

Circular Date Category
OSHD / LE-1 / 10
Safe work procedures for operating lorry cranes on public roads
29 Jul 2010 Crane

WSH circulars 2009Show

Circular Date Category
20091120-37
Accidents involving use of gondolas
20 Nov 2009 Lifting Equipment
OSHD / LE-1 / 09
Load charts, operation manuals and safekeeping of maintenance and operational logs
18 Nov 2009 Lifting Equipment
2009-35
Lifts installation works
1 May 2009 Lift and Hoist

WSH circulars 2008Show

Circular Date Category
OSHD / LE-1 / 08
Foundation anchors for tower cranes
26 Mar 2018 Crane

WSH circulars 2007Show

WSH circulars 2006Show

Circular Date Category
Use of socket-outlet assembly in construction and building sites 28 Apr 2006 Construction Activity
OSD / ENG-CIR / PV01 / 05
Requirement for testing of safety valves of steam boilers during statutory examinations
1 Mar 2006 Pressure Vessel

WSH circulars 2005Show

Circular Date Category
OSHD / ENG-CIR / LE-2 / 05
Safe use of lifting equipment
12 Sep 2005 Lifting Equipment
20050823-26
Swimming pool owners and operators
23 Aug 2005 Chemicals
DIS / ENG / CIRCULAR-13 / 99
Report of examination of test of pressure vessels
12 May 2005 Pressure Vessel
OSD / ENG-CIR / PV-02 / 05
Registration of steam boilers
27 Apr 2005 Pressure Vessel
DIS / ENG / CIRCULAR-10 / 99
Registration of pressure vessels
12 Apr 2005 Pressure Vessel
OSD / ENG-CIR / LE-1 / 05
Safety devices / features on tower cranes
2 Feb 2005 Crane

WSH circulars 2004Show

Circular Date Category
OSD / ENG-CIR / LE-02 / 04
Lifts and hoists
16 Oct 2004 Lift and Hoist
OSD / ENG-CIR / PV-01 / 04
Requirement for piping, hose, tube connections for air receivers
16 Apr 2004 Pressure Vessel
1-04
Type approval of tower cranes
6 Mar 2004 Crane

WSH circulars 2003Show

Circular Date Category
OSD / ENG-CIR / PV-03 / 03
Requirement for safety valves for air receivers
7 Aug 2003 Pressure Vessel
OSD / ENG-CIR / LE-3 / 03
Truck mounted mobile cranes
18 Jul 2003 Crane
OSD / ENG-CIR / PV-02 / 03
Requirement of gas train for steam boilers (or furnace) using natural gas
25 Jun 2003 Pressure Vessel
OSD / ENG-CIR / LE-2 / 03
Registration of excavators
13 May 2003 Lifting Equipment
OSD / ENG-CIR / LE-1 / 03
Load testing of cranes
1 Apr 2003 Crane

WSH circulars 2002Show

Circular Date Category
OSD / ENG-CIR / LE-2 / 02
Automatic overload cut-off for mobile and tower cranes
26 Mar 2002 Crane
OSD / ENG-CIR / LE-1 / 02
Classification for storage and retrieval system
26 Mar 2002 Lifting Equipment
OSD / SC001 / 2002
Riggers and signalmen attire in construction and building sites
1 Jan 2002 Crane

WSH circulars 2001Show

Circular Date Category
OSD / ENG-CIR / LE-3 / 01
Inspection requirements for statutory lifting equipment
9 May 2001 Lifting Equipment
OSD / Eng / Circular-2 / 2001
Steam piping and associated fittings for pressure vessels and blowdown tanks for boilers
30 Mar 2001 Pressure Vessel
OSD / Eng / Circular-LE-1 / 01
Limit of service life of piling machines
31 Jan 2001 Piling Machine

WSH circulars 2000Show

Circular Date Category
OSD / Eng / Circular-LE-6 / 00
Interlocking gates on every lift landing for employee's lift in construction site
13 Nov 2000 Lift and Hoist
OSD / Eng / Circular-LE-5 / 00
Exemption of lifts from requirements of the Factories Act
13 Nov 2000 Lift and Hoist
2000-11
Technical advisory for laundry factories on the spontaneous ignition of laundry
1 Nov 2000 Fire / Explosions
OSD / Eng / Circular-LE-4 / 00
Luffing jib tower crane
3 Aug 2000 Lifting Equipment
OSD / ENG-CIR / LE / 4 / 01
Safe use of mobile cranes in construction sites
1 Aug 2000 Engineering Materials
Safe use, handling and storage of nitrocellulose Jul 2000 Chemicals
OSD / Eng / Circular-LE-1 / 00
Inspection of tower crane
29 Jun 2000 Lifting Equipment
DIS / ENG-CIR / 3 / 2000
Inspection of pressure vessel
28 Jun 2000 Pressure Vessel
Guide to local fabricators of pressure vessels Mar 2000 Engineering Materials
Corrosion in autoclaves Jan 2000 Engineering Materials

WSH circulars 1999Show

Circular Date Category
DIS / Eng / Circular-13 / 99
Report of examinations of tests of pressure vessels
5 Aug 1999 Pressure Vessel
DIS / Eng / Circular-10 / 99
Registration of pressure vessels
5 Aug 1999 Pressure Vessel
DIS / Eng / Circular-7 / 99
Inspection of refrigeration plant pressure receiver
13 Apr 1999 Pressure Vessel