IES/ACES C&S RE/RTO Registry
IES/ACES C&S Resident Engineers (RE) and Resident Technical Officers (RTO) Registry
In order to ensure that there is adequate and proper supervision of structural aspects of construction works, the Building Control Act required qualified site supervisors or supervision teams to assist the Professional Engineer (PE) in the supervision of construction works.
Since 15 Feb 2009, the Building Control Act has been amended, making it mandatory for all qualified site supervisors to be accredited with the IES-ACES Joint Accreditation Committee (JAC) as C&S RE or RTO. Only C&S RE or RTO who remain accredited by the JAC can continue as qualified site supervisors to supervise structural aspects of all construction works. Registration is accorded to suitably qualified applicants with Diploma/ Degree in Civil or Structural discipline.
The Building Regulation does not require the site supervisor to be accredited as a RE or RTO for the supervision of non-structural work of a development project.
A PE, who possesses a valid practicing certificate from the Professional Engineers Board (PEB), is not required to be accredited with the JAC when he/she performs supervision of structural works as accredited site supervisors. The PE may register themselves as the site supervisors using their PE registration number in BCA Corenet System.
Accreditation with the JAC will provide accredited site supervisors with the appropriate training opportunities, seminars and courses to enhance your technical know-how and help accredited site supervisors keep abreast with the latest construction technology.
A certified site supervisor with IES Membership will enjoy discounted rates for seminars & courses conducted by IES or IES Academy.
Important Note: With effect from 1 September2026
Applicants are required to possess the ORIGINAL physical diploma/degree certificate(s) and academic transcript(s) before applying. Please note that applicants may be requested to produce the original documents at The Institution of Engineers, Singapore (IES) for verification and audit purposes. Failure to produce the original documents upon request may result in the application being rejected.
For foreign applicants, verification of the authenticity of educational qualifications must be conducted by one of the MOM recognised background screening companies. The list of the said companies can be found via MOM — Background Screening Companies.
New Application
Important: IES will not process the application if you do not send the documents by email (re.rto@iesnet.org.sg) after completing the online submission.
- Part I. Eligibility & Documents Required for RE Application
A fee of $21.80 (inclusive of 9% GST w.e.f 1 Jan 2024) will be collected upon COMPLETE submission.
RE Eligibility (based on BCA Regulations)
Number of years of postgraduate local practical experience in design or construction of structural works
Documents to be submitted
Note:
Application form to be endorsed and signed by one of the supervising PE
All PE chop and endorsement must be ORIGINAL only
Appendix 1 to be endorsed and signed by supervising PE of that particular project
- University degree in Civil or Structural Engineering recognized for PE registration under the PE Act
https://www.peb.gov.sg/
NA
- Duly completed application form
- Degree’s Certificate and full Transcripts/ Mark sheets
- Diploma Certificate and full Transcripts/ Mark sheets for any advanced standing/ exemptions
- Letter from respective accrediting organisation certifying that the qualification is accredited with the said accrediting organisation as supporting document except for those graduated from NUS or NTU
- Master’s degree or doctoral degree in Civil or Structural Engineering from any university recognized for PE registration under the PE Act
https://www.peb.gov.sg/
(Pre-requisite: Possesses Bachelor Degree in Civil or Structural Engineering from accredited school/programme)
NA
- Duly completed application form
- Master’s or doctoral degree Certificate and full Transcripts/ Mark sheets
- Degree’s Certificate and full Transcripts/ Mark sheets
- Diploma Certificate and full Transcripts/ Mark sheets for any advanced standing/ exemptions
- Letter from respective accrediting organisation certifying that the qualification is accredited with the said accrediting organisation as supporting document
- A Chartered Engineer registered by the Engineering Council United Kingdom in Civil or Structural Engineering discipline
NA
- Duly completed application form
- Chartered Engineer’s Certificate and Mark sheets
- Letter from respective accrediting organisation certifying that the qualification is accredited with the said accrediting organisation as supporting document
- University degree in Civil or Structural Engineering from universities that are specified by the Commissioner of Building Control.
This list can be obtained from BCA website:
1 year
- Duly completed application form
- Detailed information of work involvement for Appendix 1
- Degree’s Certificate and full Transcripts/ Mark sheets
- Diploma Certificate and full Transcripts/ Mark sheets for any advanced standing/ exemptions
- Letter from respective accrediting organisation certifying that the qualification is accredited with the said accrediting organisation as supporting document
- University degree in Civil or Structural Engineering recognized for PE registration under the PE Act
- Part II. Eligibility & Documents Required for RTO Application
A fee of $21.80 (inclusive of 9% GST w.e.f 1 Jan 2024) will be collected upon COMPLETE submission.
RTO Eligibility (based on BCA Regulations)
Number of years of local practical experience in full-time supervision of structural works in construction sites
Documents to be submitted
Note:
Application form to be endorsed and signed by one of the supervising PE
All PE chop and endorsement must be ORIGINAL only
Appendix 1 to be endorsed and signed by supervising PE of that particular project
1. Degree in Civil or Structural Engineering from any local university NA
- Duly completed application form
- Degree’s Certificate and full Transcripts / Mark sheet
- Diploma Certificate and full Transcripts / Mark sheets for any advanced standing / exemptions
2. Diploma in Civil or Structural Engineering from any local polytechnic NA
- Duly completed application form
- Diploma’s Certificate and Transcripts / Mark sheets
3. Diploma in Construction Engineering from BCA Academy NA
- Duly completed application form
- Diploma Certificate and full Transcripts / Mark sheets
4. Diploma in any construction-related field from any local polytechnic 1 year
- Duly completed application form
- Detailed information of work involvement for Appendix 1
- Diploma Certificate and full Transcripts / Mark sheets
5. Degree in Civil or Structural Engineering from any foreign university 2 years*
- Duly completed application form
- Detailed information of work involvement for Appendix 1
- Diploma Certificate and full Transcripts / Mark sheets for any advanced standing / exemptions
- Degree’s Certificate and full Transcripts/ Mark sheets
6. Diploma or higher certificate in Civil or Structural Engineering from any foreign polytechnic 2 years*
- Duly completed application form
- Detailed information of work involvement for Appendix 1
- Diploma Certificate and full Transcripts/ Mark sheets
7. National Certificate on Construction Supervision (NCCS) from BCA Academy 1 year
- Duly completed application form
- Detailed information of work involvement for Appendix 1
- NCSS Certificate and full Transcripts / Mark sheets
(Please note: if you are not able to provide the transcripts / mark sheets, kindly request them from BCA Academy. If they do not have a record of your transcripts / mark sheets, kindly request a letter from them)
8. Integrated Work-Study Diploma in Construction Engineering (Digital) from BCA Academy NA - Duly completed application form
- Diploma Certificate and full Transcripts / Mark sheets
9. Technical Engineer Diploma in Civil and Structural Engineering from ITE NA - Duly completed application form
- Diploma Certificate and full Transcripts / Mark sheets
*As of 15 December 2017, BCA regulations state that the requirement for relevant practical experience, in the case of Resident Technical Officers, is two years (up from one year previously).
For more information, please refer to https://www.corenet.gov.sg/media/2157488/circular-appbca-2017-15_14dec.pdf
- Part III. What will happen to your Application
Processing of the application will take approximately 2 months under normal circumstances.
*Please take note that the application will be considered rejected if:
- Applicants failed to provide us the additional supporting documents within 1 month after the communication
- Applicants who have provided incorrect information after the second review
- Applicants who failed to be present on up to TWO attempts on arranged interviews (If required)
IES reserve the rights not to disclose any remarks pertaining to project details and the relevancy of experience.
- Part IV. Renewal Requirements and Processing Time
For submission of C&S Renewal, please click here to log in with your email address and password. For a user guide of the process, please click here. A fee of $65.40 (inclusive of 9% GST w.e.f 1 Jan 2024) will be collected upon submission.
Payment can ONLY be made via the portal.
When you last renewed
Documents to be submitted
- Last calendar year
- Up to 3 Performance Assessment Reports within the past 12 months upon submission for the project you supervised
- Letter from your employer, dated not more than 6 months ago stating your roles and responsibilities if you are not involved in any site supervision project within the past 12 months upon submission
- Proof of attendance for courses awarded 6 STU(Structural) & 2 STU(Safety)
- A medical letter from a General Practitioner to certified you are physically fit for duty, if you are aged above 65
- 1 to 2 calendar years ago
- Up to 3 Performance Assessment Reports within the past 12 months upon submission for the project you supervised
- Letter from your employer, dated not more than 6 months ago stating your roles and responsibilities if you are not involved in any site supervision project within the past 12 months upon submission
- Proof of attendance for courses awarded 9 STU(Structural) & 2 STU(Safety)
- A medical letter from a General Practitioner to certified you are physically fit for duty, if you are aged above 65
- More than 3 calendar years ago
- Re-application is required (refer to ‘Part I Eligibility & Documents Required for RE Application or ‘II Eligibility & Documents Required for RTO Application)
- Eligibility will based on the BCA regulations at the point of re-application
- Upon approval of the re-application, renewal application has to be submitted. Requirement will be same as ‘(b) 1 to 2 calendars years ago’
Processing time for renewal application will be 6-8 weeks during peak period and 2 weeks under normal circumstances, based on first-in-first-out.
- Part V. Certified List of RE/RTO
IES/ACES welcomes the following Resident Engineers and Resident Technical Officers who have been accredited by the JAC and is on the JAC’s register of Accredited Site Supervisors.
A Professional Engineer, who possesses a valid practising certificate from the Professional Engineers Board, is not required to be accredited with the Joint Accreditation Committee when he/she performs supervision of structural works as an accredited site supervisor.
List of registered C&S RE & RTO Registries Listing – Institution of Engineers, Singapore (IES) For the list of accredited RE/RTO (Tunnel), please visit https://www.tucss.org.sg/successful-applicants.
- Part VI. Courses & Events
- Part VII. Circulars
- Part VIII. Forms
Under normal circumstances, if the submissions are complete and in order, the applicants will be informed of the outcome within 2 to 3 months.