1 briefing to cijc 2 feb 2005. 2 background mnd-mom construction safety review committee to review...
TRANSCRIPT
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BRIEFING TO CIJC2 Feb 2005
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Background
• MND-MOM Construction Safety Review Committee to review areas where construction safety can be enhanced
• Study of practices in other countries, e.g. Hong Kong, United States
• Briefing covers two areas:• a) Regulatory Framework b) Procurement Systems
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Regulatory Framework Review
Choong Teck MinSenior Engineer
Building Engineering Division
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1. Accredited Checker for Temporary Earth-Retaining Structures
2. Review of Accredited Checker System
3. Supervision of Structural Works
Areas of Review
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1Accredited Checkerfor Temporary EarthRetaining Structures
(TERS)
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Current Practice
Design PE performsdesign
QP reviews and evaluatesadequacy of design
Construction PE supervisesconstruction
QP reviewsinstrumentation readingsand conducts siteinspection for safeexcavation
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TERS
Need for additional measures for TERS
• Uncertainties in ground conditions
• Excavation can impact surroundingproperties
• High risk - requires close monitoring
• Requires specialist knowledge andexperience
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Proposed Requirements
< 4m depth PE performs design AC performs independentcheck
4m depth ormore
PE (Geotechnical)performs design
AC(TERS) performsindependent check
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Proposed Requirements
PE (GEOTECHNICAL)
Registered by Professional Engineers Board
AC (TERS)
Registered by BCA Criteria
- PE (Geotechnical) with post-graduate degree and 5 years design/construction experience, OR - PE (Geotechnical) with 10 years design/construction experience
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Proposed Requirements
• Owner/developer (not builder) shall appointAC for TERS
• Issuance of permit to commence TERSconstruction will be granted based on
the strength of the certification of theAC(TERS)
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2Review of Accredited
Checker System
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CURRENT AC SYSTEM
• AC plays a important role in final check tominimize risk of design errors
• BCA approves plan based on strength ofAC’s certification
• Crucial that AC’s independent checkis competently done with adequateresources
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AC ORGANIZATIONS (ACO)
• ACOs required to have more staff/resources.ACOs are in better position to carry outAC checks
• Critical that complex and medium-sizedprojects should be checked by ACOsas they have highly experienced andsenior professionals
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PROPOSALS ON ACOs
BCA intends to enhance AC System as follows:
a) Reduce prescribed limit of value of building worksfor individual ACs from $10 million to $3 million
b) Enhance prerequisite for ACO registration:
Current required: 1 AC, 2PEs & 2 engrs
Proposed required: 2 ACs, 2PEs & 2 engrs
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AC SYSTEM REVIEW
Feedback sought from industry on other ways to enhance the current AC System to improve competence and quality in AC checks for structural safety
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3Supervision of
Structural Works
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Current Provisions
• Resident Engineer - No work experience required under current legislation
PROJECT COST (MILLION) MINIMUMQSS
Non-Landed Landed
$3 - $15 $6 - $30 1 COW
> $15 >$30 1 RE
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Issues with QSS
• IES/ACES feedback - developments tend to provide only 1 QSS. This is inadequate and QP unable to fulfil supervision duty effectively
• Structural safety can be compromised due to inadequate resources for supervision
• Problems cited with 1 QSS
– No backup when QSS go on leave, NS, falls sick
– No backup for supervision of critical works for long periods e.g. 24 hours concreting, night beam launching or supervision of off-site works
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PROJECT COSTQSS PROVIDED< $30 $30 - $60 $60 - $90 > $90
1 COW 50 % NA NA NA1 RE 33 % 32 % 33 % NIL1 RE + 1/2/3 COW 15 % 60 % 67 % 70 %2 RE 2 % 8 % NIL 30 %
PROJECT COSTQSS PROVIDED
< $30 $30 - $60 $60 - $90 > $90
1 COW 50 % NA NA NA
1 RE 33 % 32 % 33 % NIL
1 RE + 1/2/3 COW 15 % 60 % 67 % 70 %
2 RE 2 % 8 % NIL 30 %
Breakdown: 2004 Projects
Overall: 70% of all projects has minimum 1RE/COW
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Supervision Team
• Inadequate QSS will compromise quality of supervision and undermine safety
• Study Visit: HK Supervision System. Elaborate requirements for QSS.
• Proposal: QP to appoint supervision team in order to have adequate resources for supervision
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QP Supervision Team• Feedback sought from ACES / IES on adequate
numbers of QSS required for projects in the following categories.
Project Cost Minimum QSS forSupervision Team
< $30 million
$30 - $60 million
$60 - $90 million
> $90 million
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RE’s Work Experience
• ACES/IES Feedback: Experience of RE important, especially in larger, more complex works with safety impact
• Work experience will therefore be required for RE
• Feedback sought from ACES / IES on number of years of experience an RE should have to perform effective supervision
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Projects < $15 million
Development Project Cost
18 storeys high-rise $6.3 million
18 storeys high-rise $9.95 million
20 storeys high-rise $10 million
20 storeys high-rise $14 million
Yu Neng Primary School $13.8 million
Bendemeer Road School $11 million
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Projects < $15 million
• Currently only 1 COW provided for projects under $15 million
• Proposal amend current provisions to as follows:
Project Cost Minimum QSS
$3 - $6 million 1 COW (no change)
$6 - $15 million 1 RE
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Supervision by Builder
• Duty is implicit. Builder has to provide all resources required to build according to approved plans, including resources for supervision
• Proposal: Builder to submit supervision team to support permit application, and some details on how supervision will be performed at site
• Builder will be required to review his supervision team if his proposal appears grossly inadequate
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Review of Procurement System
Lim Jue MengSenior Manager
Procurement Policies
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Areas of Review
• Licensing of contractors
• Review of CRS– Raising financial requirements
– Raising safety requirements
• Price quality method (PQM)
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Objectives
• Ensure safety – Builders are competent and able to fulfill
statutory duties under the BC Act and related legislation
• Enhance capability & enable longer term sustainability– need to nurture better performing firms that
can deliver quality and ensure safety
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Framework of Licensing of Contractors
• Registration of Licensed Contractors comprises:– Licensed Building Contractors (LBC) – Licensed Specialist Contractors (LSC)
• Registration renewable on a periodic basis
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Framework of Licensing of Contractors
• Designated specialist works:– Piling– Earth-Retaining and Ground Stabilisation– Soil Investigation and Instrumentation– Structural Steelworks– Pre-stressed Concrete– Precast Concrete Works– Structural Strengthening
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Framework of Licensing of Contractors
• Criteria for Registration:– Experience and qualifications of personnel– Safety record– Pass examination (if needed)
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Framework of Licensing of Contractors
• Application for Registration to identify:– Approved Person (AP)
• the key decision-maker who has full financial control of firm
– Technical Controller (TC)• the key decision-maker who controls
construction work on site• responsible for supervision and execution of
works
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Framework of Licensing of Contractors
• For new construction firms – based on qualifications and experience of
AP and TC
• For existing construction firms– exemption clause being considered
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Review of CRS
• Licensing as minimum eligibility
• Raising financial requirements
• Raising safety requirements
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Licensing as Eligibility
For licensing of both building and specialist contractors :
• The higher grade firms will mostly not be affected (e.g. A & B grades in CW and L5 & L6 in CR workheads). The lowest grades will be affected unless they raise their personnel levels.
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Raising Financial Requirements
• Currently CRS uses paid up capital or net-worth
• BCA will consider other financial indicators (current liquidity ratio, net profit margin, loans to subsidiaries, cashflow balance, debt to equity ratio) and/or credit rating by third party to rank firms
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Raising Safety Requirements
• Currently only the A1 & A2 grades contractors must be certified under the OHSAS 18000.
• To extend OHSAS18000 requirement to B1 and B2 grades.
• C1 and C2 firms to have simplified safety management system with some key requirements of OHSAS 18000
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Raising Safety Requirements
• Firms with warning letter from MOM (24 demerit points within a 12-month period) will be downgraded for a year
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Price-Quality Method (PQM)
• Quality attributes are already allowed in public sector tenders
• PQM enhances the current system by formalizing quality assessment through a systematic methodology – Optimise value by awarding to the most
competent tenderer with the most economically attractive proposal
– Differentiate the better contractors from average ones
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Price-Quality Method (PQM)
• Price and quality tender evaluation models are practised in UK, Australia, Hong Kong, New Zealand, Japan, France, EU
• Studied the HK and NZ models
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Proposed PQM
• Score tenders according to pre-defined weightings for both price and quality attributes
• Uphold transparency and objectivity
• Price still higher weightage (60-80%)
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Proposed PQM
• Quality attributes include: – Past and / or ongoing projects’ performance
(timeliness, quality (CONQUAS), safety, awards etc)
– Relevant track records & past experience with agency
– Project specific proposal (resources, method statement, programme, innovations, etc)
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Proposed PQM
• Formula approach to combine price scores and quality scores– lowest price tender max price score, highest
quality tender max quality score – Tenderer with highest overall score would be
awarded the project
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Feedback from Industry
• BCA seeks feedback from the industry on the above review by 28 Feb 2005
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Thank You