2755-mcd-con-cep-0070- Concrete Repair Works For Cold Joint.docx

MCCONNELL DOWELL SOUTH EAST ASIA PTE LTD MCD Management System

CONSTRUCTION EXECUTION PROCEDURE CONCRETE REPAIR WORKS Doc No:

2755-MCD-CON-CEP-0034

Client:

Project:

DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN

Location:

TUAS, SINGAPORE

Project No:

2755

Revision History Rev

Date

Description

Author

Reviewer

A

10 Apr 2017

B C

Approver

Issue for Review and Approval

M. Villaroza

P. Rajendra

D. Pau

09 Jun 2017

Issue for Review and Approval

M. Villaroza

P. Rajendra

D. Pau

10 Jul 2017

Cast back repair method included

M. Villaroza

P. Rajendra

D. Pau

This document remains the property of McConnell Dowell Corporation. Its contents are confidential and shall not be reproduced, destroyed or given away without the express, written permission of McConnell Dowell Corporation. The electronic version of this document in MMS Database on designated server(s) is the Master Copy and is a controlled document. Unless specifically noted thereon, other copies of this document are uncontrolled. Based on MMS Template MMS # 600-J001-100 Rev11 25Mar2015.

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

TABLE OF CONTENTS 1

PURPOSE

3

2

scope

3

3

ACRONYMS

3

4

RESPONSIBILITIES

4

5

REFERENCES

4

6

CONSTRUCTION METHODOLOGY

5

6.1 summary 6.2 work method 6.3 MATERIAL DATA SUMMARY 6.4. permits

5 6 10 10

7

ACTIVITY SCHEDULE / MILESTONES

12

8

CONSTRUCTION RESOURCES

12

8.1 8.2 8.3

KEY PROJECT PERSONNEL personnel & Training Requirements Subcontractors & Suppliers

12 12 13

8.4

Plant & equipment

13

INSPECTION & TESTING

13

9 10

OHS&E HAZARD IDENTIFICATION, RISK ASSESSMENT & CONTROL

14

11

HAZARDOUS MATERIAL / SUBSTANCES

16

12

APPENDICES

17

13

REVIEW & APPROVAL

17

APPENDIX A: i. ii. iii. APPENDIX B:

QA / QC Documents Request for Inspection – Notification 017-F002-2755 Concrete Repair Checklist F028-600-2755 Summary list of Approved Material Submission (MAR) JSEA

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 2 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

1 PURPOSE The purpose of this Construction Execution Procedure (CEP) is to identify and provide specific requirements and procedure for most types of concrete repairs. It also details the safety measures required to ensure that the works are conducted in accordance with the client’s safety requirements. However due to the nature of the works, this CEP may be altered to suit the work. In such an event the client will be informed either verbally or in writing.

2 SCOPE The scope of work applicable to this Construction Execution Procedure outlines the repair works for unsound concrete in the Permanent Reinforced Concrete Structure and Patching of Formwork Tie-rod Cone Holes

3 ACRONYMS The scope of work applicable to this Construction Execution Procedure outlines the repair works for unsound concrete in the Permanent Reinforced Concrete Structure and Patching of Formwork Tie-rod Cone Holes. CEP

Construction Execution Procedure

COP

Code of Practice

ENV

Environment

EPI

Environmental Protection Instruction

IFC

Issued for Construction

ITC

Inspection and Test Checklist

ITP

Inspection and Test Plan

JSEA Job Safety and Environmental Analysis OHS

Occupational Health and Safety

PEP

Project Execution Plan

SOP

Safe Operating Procedures

SWI

Safe Work Instructions

SWMS Safe Work Method Statement

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 3 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

4 RESPONSIBILITIES Responsibility

Who

Final approval of this CEP.

David Pau

Nominated responsible “Owner” of this CEP. They are required to ensure regular review of this document when aspects of the document need amending.

Prasad Rajendra

Nominated as responsible for managing the construction works associated with this CEP.

Mika Tuoriniemi

Nominated as responsible for managing the construction works associated with this CEP.

Erwin Lee

Nominated as responsible for managing the construction works associated with this CEP.

Aatish Rumjeet

Nominated as responsible for managing the construction works associated with this CEP.

Verdy Nurtanio

Nominated as responsible for managing the quality control associated with this CEP.

Moises Villaroza

5 REFERENCES Construction Codes & Standards WSH relevant Code of Practice Construction Drawings & Specifications General Specification Particular Specification Material & Workmanship Specification Relevant Legislation / Code of Practice / Standards Relevant OHS Act(s)

WSH Act

Relevant OHS Regulation (s)

WSH (Risk Management) Regulations WSH (Construction) Regulations

Relevant OHS COP/ Standards Relevant Environment Act(s)

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 4 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

Construction Codes & Standards Relevant Environment Regulations(s) Relevant Environment COP / Standards Other(s), specify: Project Documents Project Execution Plan PEP Attachment 13-1 Project HSE Risk Register PEP Att. 2-1A Project Legal & Other Requirements – OHS PEP Att. 2-1B Project Legal & Other Requirements – ENV

6 CONSTRUCTION METHODOLOGY 6.1

SUMMARY Repair procedures have been prepared for eight possible types of repair to precast units and cast in situ works as listed below. The damaged area will be repaired using one of the products, which has been specified for each area. 1. Concrete Chipped off With No Exposure of Reinforcement 2. Concrete Chipped off With Exposure of Reinforcement 3. Voids on Surface (Blow Holes) 4. Recess for Lifting Hook 5. Cone Holes 6. Honey Combing a. Type A Trowellable Method (Honeycomb 5mm to 50mm deep) b.

Flowable Method (Honeycomb 51mm to 100mm deep)

c. Pressure Grout Method (Honeycomb 101mm to 200mm deep d. Cast back Method (Honeycomb / Other Defects more than 200mm deep) 7. Crack width below < 0.20mm 8. Cracks width 0.30mm and above

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 5 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

6.2

WORK METHOD 1. Concrete Chipped off With No Exposure of Reinforcement 

Hack off and remove all loose parts from the affected area and feather the edges.



Clean surface and remove any dust.



Wet surface with water but ensure there is no free surface water before application of grout and apply bonding agent ‘Fosroc Nitobond AR’.



Apply the repair mortar Sto Crete NSG / NSG-S.



‘Sika ANTISOL – S’ or ‘Stocryl SCC Supreme’ curing compound is then used.



All works will be recommendations.

performed

in

accordance

with

the

manufactures

2. Concrete Chipped off With Exposure of Reinforcement 

Hack off and remove all loose parts from the affected area to 20mm behind exposed reinforcing and feather the edges.



Put up formwork at the affected area to hold repair materials in shape if necessary.



Apply reinforcement protection primer ‘Fosroc Nitoprime Zincrich’ to the exposed reinforcement (if grouting will be done after 24 hours).



Wet surface with water but ensure there is no free surface water before application of bonding agent ‘Fosroc Nitobond AR’.



Apply the repair mortar ‘Sto Crete NSG / NSG-S’.



‘Sika ANTISOL – S’ or ‘Stocryl SCC Supreme’ curing compound is then used.



All works will be recommendations.

performed

in

accordance

with

the

manufactures

3. Voids on Surface (Blow Holes) 

Remove all loose parts from the affected area.



Moisten the exposed concrete surface.



The surface must be free from standing water, oil and grease. Dust, dirt and other foreign particles must also be removed.



Wet the surface and then the blowholes are filled in with cement paste (Portland cement) applied by trowel with excess removed to maintain a smooth finish.

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 6 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

4. Recess for Lifting Hook 

Cut off lifting strand from base of the recess, with minimal 50mm deep without damaging reinforcement.



The surface must be free from standing water, oil and grease. Dust, dirt and other foreign particles must also be removed. .



Apply reinforcement protection primer ‘Fosroc Nitoprime Zincrich’ to the exposed reinforcement (if grouting will be done after 24 hours).



Wet surface with water but ensure there is no free surface water before application of bonding agent ‘Fosroc Nitobond AR’.



Apply the repair mortar ‘Sto Crete NSG / NSG-S’.



‘Sika ANTISOL – S’ or ‘Stocryl SCC Supreme’ curing compound is then used.

5. Cone Holes 

Remove plastic cones.



The surface must be free from standing water, oil and grease. Dust, dirt and other foreign particles must also be removed.



Wet the surface and apply the mortar ‘Sto Crete NSG / NSG-S’.



‘Sika ANTISOL – S’ or ‘Stocryl SCC Supreme’ curing compound is then used.

6. Honey Combing / Spalling A. Trowellable Method (Honeycomb 5mm to 50mm deep) 

All areas where exposed aggregate is present, cleaning and hacking back to sound concrete.



Sound concrete is described as fully compacted and monolithic without the presence of voids or loose aggregate.



Wet surface with water but ensure there is no free surface water before application of bonding agent ‘Fosroc Nitobond AR’.



Apply the repair mortar Sto Crete NSG / NSG-S’.



‘Sika ANTISOL – S’ or ‘Stocryl SCC Supreme’ curing compound is then used.



All works will be recommendations.

performed

in

accordance

with

the

manufactures

B. Flowable Method (Honeycomb 51mm to 100mm deep) 

Use marker pen to draw a line around the defective area.



Saw cut 5 to 10mm deep along the marked line to avoid feathered edges.

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 7 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017



Use a breaker to remove all the unsound concrete. Continue hacking until sound homogeneous concrete is reached.



Clean-off the prepared area with water to remove all dust. Remove all rust from exposed rebar using wire brush.



Apply reinforcement protection primer ‘Fosroc Nitoprime Zincrich’ to the exposed reinforcement



Wet surface with water but ensure there is no free surface water before application of bonding agent ‘Fosroc Nitobond AR’.



Put up formwork at the affected area to hold repair materials in shape if necessary.



Flow the repair mortar ‘Sto Crete NSG/ NSG-S from one side only to avoid air entrapment’.



‘Sika ANTISOL – S’ or ‘Stocryl SCC Supreme’ curing compound is then used.



All works will be recommendations.

performed

in

accordance

with

the

manufactures

C. Pressure Grout Method (Honeycomb 101mm to 200mm deep) 

Use marker pen to draw a line around the defective area.



Saw cut 5 to 10mm deep along the marked line to avoid feathered edges.



Use a breaker to remove all the unsound concrete. Continue hacking until sound homogeneous concrete is reached.



Clean-off the prepared area with water to remove all dust. Remove all rust from exposed rebar using wire brush.



Pre-wet the substrate surface to saturate and clear any excess water.



Apply ‘Fosroc Nitobond AR’ bonding agent to the substrate.



Fix chicken wire mesh to the existing rebar and pack with 4 to 10mm aggregates, if required, additional rebars to be drilled to allow fixing of chicken wire mesh



Fix the formwork to the surface to be grouted with provision of air release vents to the top part and grout inlet hose to the bottom part. All edges to be made leakproof using sponge in between the formwork and the concrete surface



Mix StoCrete NSG / NSG-S as per manufacturer specifications.



Pump the grout using a hand pump fitted with a gauge through the inlet hose until the grout overflows from the air release vents



Close the air vent hose and maintain a pressure of 1 bar for 30 seconds to ensure grout has filled up all the voids



Disconnect the inlet hose from the pump and block the hose



Leave to cure until grout is set and remove the formwork

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 8 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017



Apply ‘Stocryl SCC Supreme’ curing compound with a paint brush after removing the formwork

D. Cast Back Method. (Honeycomb / Other Defects more than 200mm deep) 

Use marker pen to draw a line around the defective area.



Saw cut 5 to 10mm deep along the marked line to avoid feathered edges.



Use a breaker to remove all the unsound concrete. Continue hacking until sound homogeneous concrete is reached.



Clean-off the prepared area with water to remove all dust. Remove all rust from exposed rebar using wire brush.



Pre-wet the substrate surface to saturate and clear any excess water.



Apply Fosroc Nitobond AR’ or Stocrete SBR-HD bonding agent to the substrate.



Fix the surface to be concreted with a funnel top edge (as necessary). Formwork to be higher than the surface to be repaired. All edges to be made leak-proof using sponge in between the formwork and the concrete surface



Cast back with Approved Concrete Mix Design or approved NSGrout



Leave to cure until concrete / NS Grout is set, before removing the formwork



Use a grinder to remove excess concrete on top part and sides and make surface even



Apply Stocryl SCC-Supreme curing compound with a roller or spray after removing the formwork

7. Shrinkage Cracks (width less than or equal to 0.2mm) Cracks in the precast wall panels with widths below 0.20mm will be repaired as follows: 

The surface must be free from standing water, oil and grease. other foreign particles must also be removed.



Dry pack OPC cement will be brushed into all the cracks.



Water will be applied to the dry packed surface and brushed in to the dry packed cracks to from a seal.

Dust, dirt and

8. For concrete crack width 0.3mm and above Cracks in the precast wall panels and Cast-in Situ with widths of 0.30mm and above shall be repaired using UNIFOR “UF Grout” for dry Crack Repair by Epoxy Injection as per the following procedure:

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 9 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

      

6.3

Surface Preparation. Remove dust particles , laitance with wire brush and or using compressed air. Sealing of Surface and Adhesive of Plug. Seal crack at lengths, stopping at intervals of 300mm for plug adhesion using UF seal (Interval length depends on crack and depth). UF Seal Curing. Allow UF Seal to cure. 9refer to material specifications). Installation of Injector. Install injector by screwing onto the plugs. UF Grout Injection. Inject UF grout into container using grease/ footpump. Stop when pressure indicator rises to 3.kg/cm2. Proceed to next injector UF Grout Curing. Allow UF Grout to cure. Finishing. Remove injector and grind off sealing material.

MATERIAL DATA SUMMARY 

Patching of Formwork Tierod Cone Holes 1) StoCrete NSG / NSG-S (Patching Material) 2) StoCrete SBR-HD / Fosroc Nitobond AR (Bonding Agent) 3) StoCryll SCC-SUPREME / Sika Antisol (Curing Compound)



Patching of Honeycomb 5mm to 50mm Deep, Patching, Chipping & Spalling 1) StoCrete NSG / NSG-S (Patching Material) 2) StoCrete SBR-HD / Fosroc Nitobond AR (Bonding Agent) 3) StoCryll SCC-SUPREME / Sika Antisol (Curing Compound)



Repair of Honeycomb 51mm to 100mm Deep and 101mm to 200mm deep Pressure Grouting 1) StoCrete NSG / NSG -S (Grouting Material) 2) StoCrete SBR-HD / Fosroc Nitobond AR (Bonding Agent) 3) StoCryll SCC-SUPREME/ Sika Antisol (Curing Compound) 4) Fosroc Nitoprime Zincrich (Protection primer to the exposed reinforcement

bars, as required) 

Repair of Honeycomb more than 200mm 1) Approved Concrete Mix Design / Approved NS Grout (StoCrete NSG /NSG-S)



Repair of Concrete crack width 0.3mm and above 1) Unifor UF Grout Epoxy Resin (Crack Injection System)

6.4. PERMITS

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 10 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

Permit-To-Work (Lifting, Hot Work Permit, Working at Height) of McConnell Dowell as and when required.

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 11 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

7 ACTIVITY SCHEDULE / MILESTONES The concrete repair works shall be carried out as and when required.

8 CONSTRUCTION RESOURCES 8.1

KEY PROJECT PERSONNEL

The Project Manager or Construction Manager or delegate will appoint a Supervisor to oversee each or a few related activities. It will be ensured that the Supervisor will be experienced in the associated work, will be able to read drawings, be competent in reporting, and be conversant with the technical, safety and environmental specifications, guidelines or requirements. Table 7A Personnel requirements

Function / Role

Name

Project Manager

David Pau

92987313

Construction Manager

Prasad Rajendra

91795789

QA / QC Manager

Moises Villaroza

90111571

Precast Manager

Mika Tuoriniemi

87995883

Senior Project Engineer

Erwin Lee

96916298

Project Engineer

Aatish Rumjeet

91470306

Project Engineer

Verdy Nurtanio

92447851

8.2

Contact Details

PERSONNEL & TRAINING REQUIREMENTS

All equipment shall be operated by suitably qualified and experienced personnel. Specialised labour requirements for the works will involve: Table 7B Personnel & Training requirements

Function / Role

Qualification / licence Required

Skilled Supervisor

Work at height Certificate

Work at height training

Skilled Worker

Work at height Certificate

Work at height training

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

Activity specific Training Required

PAGE 12 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

8.3

SUBCONTRACTORS & SUPPLIERS

Table 7C – Sub-contractors and suppliers

Scope of works

Name of Subcontractor / Suppliers

Contact Details

Contact Person

Concrete repair works

McConnell Dowell

Mika Tuoriniemi

87995883

Concrete repair works

McConnell Dowell

Erwin Lee

96916298

Concrete repair works

McConnell Dowell

Aatish Rumjeet

91470306

Concrete repair works

McConnell Dowell

Verdy Nurtanio

92447851

Concrete repair works

McConnell Dowell

Moises Villaroza

90111571

8.4

PLANT & EQUIPMENT

Plant and equipment associated with the works will be in good working order and have the capacity to safely and efficiently do the work required. The type, size and number of machines used will depend on the quantity of material, scheduling and access restrictions. Necessary plant inspections and operator competency assessments will be undertaken as part of the Project Safety Management Plan. The following list outlines the plant and equipment expected for the associated scope: Table 7D Powered Plant & Equipment required for the works

Powered Plant and Equipment required for the works:

Type of Works

(e.g. EWP / Crane / Forklift / etc)

Mortar / Grout Mixer

Concrete Repair works

Drilling Machine/Breaker Machine

Concrete Repair works

Air compressor

Concrete Repair works

Injection Pump

Concrete Repair works

9 INSPECTION & TESTING ITP(s) documents will be prepared to summarise inspection and testing protocols. At predetermined stages of works, the appropriate inspections or tests shall be undertaken and submitted as specified. Subsequent works will then proceed upon meeting the specified criteria. The following ITP(s) will be used to manage the quality of the works: Table 6A Inspection & Test Plan List

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 13 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

ITP Number

2755-MCD-QAC-ITP0013

Person or organisation responsible for preparation

Title / scope

CONCRETE REPAIR WORK

PROJECT / SITE ENGINEERS

10 OHS&E HAZARD IDENTIFICATION, RISK ASSESSMENT & CONTROL H Hazard identification, risk assessment and control will be principally managed and documented through use of the PEP Att. 13-1 HSE Risk Register (MMS# 020-Y001-7566). Relevant SWI’s, SOPs and EPIs will be implemented and followed. JSEA / SWMS’s will be prepared to cover specific risks associated with the works. Development and implementation of the JSEA / SWMS and the associated documentation (SWI’s; SOP’s; EPIs; etc...) will be undertaken with the personnel involved in the works. These documents can then be viewed by the Client’s representative prior to work commencement. All personnel will complete the project site induction before being allowed access to the works. Operator competency will be recorded and plant inspections will be undertaken prior to any activity commencing. Daily start up meetings will be conducted and documented by Supervisors to ensure all safety measures are in place for the day’s activities.

Table 11A OHS&E Hazard Identification, Risk assessment & Control

JSEA/SWMS Title / Activity description (What)

Development Responsibility (Role)

Due By

JSEA X012-020-7566 Concrete Repair works

Mika Tuoriniemi

Dec 2017

JSEA X012-020-7566 Concrete Repair works

Erwin Lee

Dec 2017

JSEA X012-020-7566 Concrete Repair works

Aatish Rumjeet

Dec 2017

JSEA X012-020-7566 Concrete Repair works

Verdy Nurtanio

Dec 2017

JSEA X012-020-7566 Concrete Repair works

Moises Villaroza

Dec 2017

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 14 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

Table 11B Required SWI for Activities / Tasks

Activity description (What)

SWI (No. + Name)

Preparation work

K005-Using Electrically Operated Tools K082-Personal Protective Equipment K044-Exposure to Noise K041-Housekeeping-Access & Egress

Working at Height

K036-Working at Height K082-Personal Protective Equipment K041-Housekeeping-Access & Egress

Manual Handling

K081-Manual Handling

Construction noise

K044-Exposure to Noise

Table 11C Environmental Aspects Identification, Risk Assessment & Controls

Implementation Responsibility (Role/Subcontractor)

Aspect (What)

Control (How)

Flora

Not applicable

Fauna

Not applicable

Weed and pest control

L031-Vector Control - Mosquito

Water quality

Not applicable

Erosion and Sediment control

Not applicable

Noise

PEP Noise Management Plan K044-Exposure to Noise

ECO

Dust

Supress with water PEP Safety management plan

ECO / Supervisor

Waste

Not applicable

Ground Contamination

L007-Storage, Maint. & Refuelling Machinery

Cultural Heritage

Not applicable

Other

Not applicable

ECO

ECO / Supervisor

Note: the above list is not intended to be exhaustive, and is limited to the scope of work as identified at the time of the Risk Register Workshop.

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

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CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

11 HAZARDOUS MATERIAL / SUBSTANCES Table 12A Hazardous materials / Substance list

Hazardous Materials / Substance

Specific task / activity it is required for

Fosroc Nitobond AR

Refer to submitted SDS via Material Approval (MAR)

Fosroc Nitoprime Zincrich

Refer to submitted SDS via Material Approval (MAR)

StoCrete NSG-H

Refer to submitted SDS via Material Approval (MAR)

StoCryl SCC

Refer to submitted SDS via Material Approval (MAR)

Davco Grout 280

Refer to submitted SDS via Material Approval (MAR)

Sika ANTISOL - S

Refer to submitted SDS via Material Approval (MAR)

Unifor UF Grout

Refer to submitted SDS via Material Approval (MAR)

Note: the above list is not intended to be exhaustive, and is limited to the scope of work as identified at the time of the Risk Register Workshop.

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

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CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

12 APPENDICES APPENDIX A: QAQC Documents i.

Request for Inspection – Notification 017-F002-2755

ii.

Concrete Repair Checklist F028-600-2755

iii.

Summary list of Approved Material Submission (MAR)

APPENDIX B: JSEA

13 REVIEW & APPROVAL Position

Name

Prepared By:

QAQC Engineer

Mark Condes

Reviewed By:

Quality Manager

Moises Villaroza

Reviewed By:

Precast Manager

Mika Tuoriniemi

Reviewed By:

Project Engineer - R2

Erwin Lee

Reviewed By:

Project Engineer – R3

Aatish Rumjeet

Reviewed By:

Project Engineer - TVB

Verdy Nurtanio

Reviewed By:

Safety Manager

Hairy Ghani

Reviewed By:

Construction Manager

Prasad Rajendra

Approved By:

Project Manager

David Pau

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

Signature

Date

PAGE 17 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

APPENDIX A QA / QC Documents

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 18 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL

CONSTRUCTION EXECUTION PROCEDURE 2755-MCD-CON-CEP-0034 REVISION C DATE 10 JULY 2017

APPENDIX B Job Safety & Environmental Analysis (JSEA)

McCONNELL DOWELL SEA PTE LTD PROJECT NO. 2755 DESIGN AND BUILD OF ROAD ACCESS AT TUAS VIEW BASIN NATIONAL ENVIRONMENT AGENCY (NEA)

PAGE 19 OF 19 COMMERCIAL-IN-CONFIDENCE McCONNELL DOWELL