MS 006 01 r1 not approved

EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION METHOD STATEMENT MS-006-01 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION PACKAGE D CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT GUIDANCE NOTES Where this page is over-stamped with the words “Controlled Copy” this means: a) Distribution is centralized - in this case of this document from the Site Manager; b) Each copy is issued to a particular person or organization If the document is no longer required it should be returned to the relevant person; c) It is not to be photocopied either in whole or in part Additional copies are available on request; d) Copy holders will be automatically issued with any amendments Responsibility for incorporating such amendments rests with the copy holder / 12 / 06 EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION REV NO ISSUE DATE PREPARED BY AREA MANAGER REVIEWED BY SAFETY OFFICER REVIEWED BY QC MANAGER REVIEWED BY SITE MANAGER APPROVED BY ACTING PROJECT MANAGER M HOSOI [TBC] L DE OCAMPO Y UCHIDA Y UCHIDA EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION TABLE OF CONTENTS GENERAL 1.1 PURPOSE 1.2 TERMS OF REFERENCE 1.3 REFERRED DRAWINGS SCOPE OF WORK 3 METHODOLOGY 3.1 FLOWCHART 3.2 DELIVERY AND STORAGE 3.3 HAMMER CAPACITY 3.4 PILE DRIVING SEQUENCE AND PILE CODE 3.5 SETTING OUT 3.6 PREPARATION FOR DRIVING 3.7 PILE DRIVING 3.8 BEARING CAPACITY CHECK 10 3.9 TEMPORARY SHEET PILING AND TRENCH EXCAVATION 11 3.10 PILE HEAD TREATMENT 11 SCHEDULE 12 ORGANISATION 13 5.1 ORGANISATION CHART 13 5.2 SUPPLIERS / SUB-CONTRACTORS 13 5.3 LIST OF MACHINERY / EQUIPMENT 14 QUALITY CONTROL 16 6.1 PREPARATORY WORKS 16 6.2 DRIVING WORKS 16 6.3 FINAL DRIVING 17 SAFETY MANAGEMENT 17 ENVIRONMENTAL MANAGEMENT 18 Page of 20 EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION REVISION RECORD 18 TABLE OF CONTENTS (CONT’D) APPENDICES: SCHEDULE INSPECTION AND TEST PLAN INSPECTION CHECKLIST(S) / FORM(S) SAFETY RISK ASSESSMENT ENVIRONMENTAL RISK ASSESSMENT PILE DRIVING SEQUENCE DRAWINGS LOCATION MAP FOR STATIC LOAD AND HAMMER DRIVING Page of 20 EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT SHIMIZU CORPORATION MS-006 REINFORCED CONCRETE PILING WORKS GENERAL This method statement describes the procedures for delivery, storage and driving of precast Reinforced Concrete Spun pile, purchased from an approved Supplier, for the Conveyance Sewer from accumulated distance of St 1+081.55 to Sta 3+144.30 1.1 Purpose (based on the alternative proposal) The purposes of this document are as noted hereunder: a) ensure that the precast reinforced concrete piles delivered to the Site are in accordance with the approved requirements b) ensure that the piles are driven to the specified penetration, in the correct position(s) as shown on the approved drawings, in accordance with the requirements of Section 5.2 of the Specification c) ensure that the precast reinforced concrete piling works conform to the approved Management System and Quality Control Plan 1.2 Terms of Reference The terms of the Contract hereunder noted are applicable to the contents of this document: a) Contract Documents, Specifications: Technical Specification Section 5.2 “Precast Concrete Piling” and / or approved documents pertaining to the alternative proposal; b) Contract Documents, Specifications: Technical Specification Section 5.4 “Measurement and Payment”; 1.3 Referred Drawings The following drawings are applicable to the contents of this document: a) Contractor’s Drawing No CO-P-401 b) Contractor’s Drawings No.’s CO-P-402 to CO-P-419 (inclusive) detailing the R.C Pile Location plan SCOPE OF WORK This scope of works detailed hereinafter covers the steps to be taken when preparing the Site area, setting out the pile location, driving the piles to the required elevation in the position(s) shown on the approved drawings Page of 20 EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION Table 2.1 hereinafter on page outlines the estimated quantities of works associated with the Reinforced Concrete Piling Works: Table 2.1 NO Estimated Quantities of Works DESCRIPTION QUANTITY / UNIT RC spun pile Ø 400mm, 17m long, from Sta 1+081.55 to Sta 1+504.05 5,780 m RC spun pile Ø 400mm, 24m long, from Sta 1+505.70 to Sta 2+474.90 20,208 m RC spun pile Ø 400mm, 29m long, from Sta 2+476.30 to Sta 3+144.30 19,430 m Pile head treatment from Sta 1+081.55 to Sta 1+504.05 Pile head treatment from Sta 1+505.70 to Sta 2+474.90 Pile head treatment from Sta 2+476.30 to Sta 3+144.30 Total No of Piles 340 nos 842 nos 670 nos 1,852 nos Estimated Supply Length 45,418 m Estimated Driving Length 49,157 m The length calculated for pile driving shall be measured from the surface level from which the pile is driven, as approved by the Engineer, to the pile tip in accordance with Section of Division B of Volume of the Contract “Specifications” METHODOLOGY Two methods of driving will be utilised in the Piling Works; i) Diesel Hammer as stated in the Specification, and ii) Static Load as required by the Department of Construction (DOC) To avoid any disturbance and Page of 20 EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION damage to residential and building structures located close to the piling location static load will be implemented For other areas where neighbouring structures are located further away from the piling location or where no neighbouring structures exist, diesel hammer will be used The specific locations where static load and diesel hammer will be carried out are shown in the Location Map contained within Appendix No hereto Delivery, checking and storage 3.1 FlowchartPile delivery The flowchart detailed hereinafter on page shows the sequence of works for the reinforced concrete piling works associated with the Project: Setting out Preparation for driving Driving (bottom segment) Jointing of segments Driving Insufficien t Check bearing capacity OK Sheet Piling Trench excavation Pile head treatment Setting out and checking conveyance sewer centreline, pile centre and pile position in accordance with the approved drawings Caps and splicing of piles shall comply with the approved drawing(s) Driving equipment shall conform to Sub-Clause 5.2.3.2 (b) of the Technical Specification Piles shall be driven to the penetration specified (or the elevation shown on the approved drawings), in line and position with leader, where appropriate, in accordance with SubClause 5.2.3.2 (c) of the Technical Specification The Engineer shall check the desired bearing capacity and issue appropriate instructions in accordance with Sub-Clause 5.2.3.2 (d) of the Technical Specification Temporary sheet piling and trench excavation will be described in Method Statement MS-008 Conveyance Sewer Construction Concrete will be cut off at the required level and the pile will be connected to Page of 20 the bottom slab of the conveyance sewer by providing additional reinforcement embedded in concrete Article 3.10 EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION 3.2 Delivery and Storage The piles will be fabricated in accordance with the latest Contractor’s Drawing No CO-P-401 by an approved supplier The maximum allowable length of the piles is limited 15 metres, hence, the piles shall be divided into two segments The length of the segments for each required pile length is shown hereunder in Table 3.2 Table 3.2 Segment Lengths REQUIRED LENGTH (M) LENGTH OF SEGMENT (M) LENGTH OF SEGMENT (M) 18 12 25 12 13 30 15 15 The lengths of piles supplied shall consider the provision for pile head treatment Piles will be delivered to Site and stored on the available area between the temporary access road and the conveyance sewer works area Lifting of the piles shall follow Figure 3.1 hereunder: SLING CONNECTED TO CRANE 0.207L Page of 20 L 0.207L EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT SHIMIZU CORPORATION MS-006 REINFORCED CONCRETE PILING WORKS Figure 3.1 Piles shall not be laid directly on the ground but shall be supported by timber blocks spaced at such dimensions that the flexure stress imposed on the piles during storage will be minimised 3.3 Hammer Capacity The hammer type / capacity shall be selected in accordance with the provisions of the Technical Specification The energy of the hammer shall numerically be approximately one half of the weight of the pile plus 4,000kg Based on the Technical Specification the calculated result of the hammer capacity is as shown in Table 3.3 hereunder: Table 3.3 Summary of Calculation according to the Technical Specification PILE 17M LONG PILE 24M LONG PILE 29M LONG Pile weight (kg) 3,255 4,595 5,552 Required Energy (kg) 5,628 6,298 6,776 3.4 Pile Driving Sequence and Pile Code Pile driving works will commence at Station 1+525.30 Two piling teams will be mobilised, one working in a Southerly direction from the aforementioned station reference while the second team will be working in a northerly direction The construction of the conveyance sewer is divided into segments Each segment will be assigned a unique reference number based on the direction of construction All segments South of the aforementioned station will be given the prefix “S” while Northern segments will be given the prefix “N” As an example segment S3 indicates the third segment in a Southerly direction from Station 1+525.30 All reinforced concrete piles shall be assigned a unique number along the same principles as that described above All piles with Page of 20 EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION even numbers are those located at the East side of any given segment while odd numbers indicate piles located on the West side of any given segment Figure 3.2 on page illustrates the planned pile code referencing while Appendix No hereto gives a pictorial representation of the driving sequence STARTING POINT S1-6 S1-22 S1-24 S1-26 S2-2 S2-4 S1-5 S1-21 S1-23 S1-25 S2-1 S2-3 N1-2 N1-1 S1-4 N1-4 N1-3 W S1-3 N1-6 N1-5 S N S1-2 N1-20 N1-22 N1-21 PILE NUMBER N1-19 N1-24 N1-23 N2-2 N2-1 N1-26 N2-4 N2-3 N2 N1-25 N2-6 N2-5 CONSTRUCTION JOINT DIRECTION OF PILING TEAM S1-1 DIRECTION OF PILING TEAM Sta 1+525.30 E N1 S1 S2 SEGMENT NUMBER FIGURE 3.2 3.5 Setting-Out The pile centre point shall be set out using a suitable calibrated survey instrument The survey data will be recorded in writing using the “RC PILE SURVEY RECORD” format contained within Appendix No hereto attached 3.6 Preparation for Driving 3.6.1 Material Quantity Check Page of 20 EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION PILE HEAD TREATMENT INSPECTION RECORD Location (Group): PILE NO FILE CODE REF: Date DATE OF DRIVING FINISH ELEVATION FOR THE PILE SUPPLIER DISTANCE FROM CENTRELINE TOLERANCES FOR SHIMIZU CORPORATION FOR THE ENGINEER Signed: Signed: Signed: Name: Name: Name: Date: Date: Date: Page of 11 REMARKS Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION RC PILE SURVEY RECORD Area Pile No Date Desig n (X) Desig n (Y) Desig n (EL) CHECKED BY Actua l (X) Actua l (Y) Actua l (EL) SUBCONTRACTOR Sheet No Discrepa ncy (X) APPROVED Discrepa ncy (Y) BY THE Discrepa ncy (EL) ENGINEER Name: Signature: Date: Page of 11 Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION FILE CODE REF: PILE DRIVING BY STATIC LOAD RECORD Work item Location Pile no Driving type Driving date Hydraulic pressure max Design pressing Start time Min: power Calibration no Finish time kg.m RC pile size cm Length m Extension pile size Connection box cm Length m Welding m DATE /TIME PRESSUR PRESSING ACTUAL ACTUAL PILE E (KG/CM2) POWER DRIVEN PILE TIP DEPTH (TON) LENGTH (M) (M) Max: Casting date Casting date Weld thickness mm REMARKS DESIGN ACTUAL Elevation of ground (m) Elevation of pile Tip (pile nose) (m) Elevation of bottom of pile cap (m) Pile Length (m) Transverse Tolerance (Y axis) Longitudinal Tolerance (X axis) OTHER REMARKS: For Subcontractor: For Shimizu Corporation: Page of 11 For the Engineer Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION CỘNG HOÀ XÃ HỘI CHỦ NGHĨA VIỆT NAM ỦY BAN NHÂN DÂN TP HỒ CHÍ MINH Độc lập -Tự - Hạnh phúc BAN QLDA ĐẠI LỘ ĐÔNG TÂY VÀ MƠI TRƯỜNG Hồ Chí Minh, ngày NƯỚC THÀNH PHỐ tháng năm 2006 SOCIALIST REPUBLIC OF VIETNAM Independence - Freedom - Happiness _ HO CHI MINH PEOPLE’S COMMITTEE _ THE EAST-WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT Hochiminh, 2006 APPENDIX 4A BIÊN BẢN SỐ: MINUTE No NGHIỆM THU CÔNG VIỆC XÂY DỰNG INSPECTION OF CONSTRUCTION WORKS CÔNG TRÌNH: Dự án cải tạo mơi trường nước Thành phồ Hồ Chí Minh - Gói thầu D “Xây dựng cống chuyển tải cải tạo cống chung hữu” PROJECT: Ho Chi Minh City Water Environment Improvement Project - Package D “Conveyance Sewer Construction and Existing Combined Sewer Improvement” Đối tượng nghiệm thu: ……………………………………………………………………………………… Inspection item: ……………………………………………………………………………………………… Thành phần trực tiếp nghiệm thu / Parties taking part in inspection: - Tư vấn giám sát: Cơng ty Tư vấn Quốc tế Thái Bình Dưong (Nhật Bản) liên kết với VIWASE & WASE - Supervision Consultant: Pacific Consultant International (Japan) in association with VIWASE and WASE Ông (Mr): Masami KONDO Ông (Mr): ……………………… Chức vụ (Position): Kỹ sư trưởng / The Engineer Chức vụ (Position): Kỹ sư giám sát / Supervision engineer Page of 11 Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION - Nhà thầu xây lắp: Công ty Shimizu (Nhật Bản) - Contractor: Shimizu Corporation (Japan) Ông (Mr): Sadahiro Sato Ông (Mr): Ông (Mr): Ông (Mr): Chức vụ (Position): Giám đốc Dự án / Project Manager Chức vụ (Position): Quản lý vùng / Area Manager Chức vụ (Position): Kỹ sư giám sát/ Supervision engineer Chức vụ (Position): Kỹ sư giám sát/ Supervision engineer Thời gian nghiệm thu: Time for inspection: Bắt đầu (Start): ngày (Date) tháng (Month) năm (Year) 200… Kết thúc (Finish): ngày (Date) tháng (Month) năm (Year) 200… Tại cơng trình/ At the site: ………………………………………………………………………………… Đánh giá công việc xây dựng đã thực / Appraising Construction Works Done a) Về tài liệu làm nghiệm thu / Inspection basis …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… b) Về chất lượng công việc xây dựng / Quality of construction works …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… c) Các ý kiến khác (nếu có) / Other comments (if any) …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… d) Ý kiến của Tư vấn giám sát PCI về công tác nghiệm thu nội công việc xây dựng của Nhà thầu Nhà thầu phụ PCI’s comments on internal inspection of construction works between MainContractor and Sub-Contractor …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… Page 10 of 11 Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION Kết luận / Conclusion: ………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………… GIÁM SÁT THI CÔNG XÂY DỰNG NHÀ THẦU CONTRACTOR Cơng ty SHIMIZU Shimizu Corporation (Ghi rõ họ tên, chức vụ) (Name, position) CONSTRUCTION SUPERVISOR (của Tư vấn giám sát PCI liên kết với Công ty Nước Môi trường Việt nam Công ty Tư vấn cấp thoát nước số 2) - Các tài liệu làm để nghiệm thu - Grounds for checking and acceptance Hồ sơ nghiệm thu gồm: Inspection documents include: ………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………… - END - Page 11 of 11 Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT SHIMIZU CORPORATION MS-006 REINFORCED CONCRETE PILING WORKS APPENDIX NO SAFETY RISK ASSESSMENT Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION RISK ASSESSMENT - SF-03 WEIP/D/SF-03/015 METHOD STATEMENT: MS-006 REINFORCED CONCRETE PILING PREPARED BY: GERRY GONZALEZ (C) Health and Safety Consequence S1 Negligible / No Effect S2 Minor Injuries S3 Major Injuries S4 Fatalities Ref Activities Hazard (C) Environmental Consequence E1 No Effect E2 Minor Effect E3 Major Effect E4 Irreversible Consequence YP instability Lifting close to O/H electric lines Collision with other plant / traffic Night work VIS Transportati on of equipment / material Oth er C F RR C F RR Safety induction / provide signage Ensure lifting hook is provided with safety latch Qualified, experienced operator Follow standards and check area prior to starting works S2 S2 S2 S2 PUB Traffic hazard Equipment falls when loading Crane People Affected CO E (RR)Risk Rating (Consequence (c) x Frequency (F)) 1~4 Insignificant Work May Proceed 5~8 Acceptable Work May Proceed ~ 12 Substantial Work may not proceed 13 ~ 16 Intolerable Work may not proceed Before Control Risk Control Measures After Control (F) Frequency Negligible Unlikely Likely Probable Injury √ √ S3 Injury √ √ S3 Injury √ √ S3 Electrocution / Injury √ √ S3 Injury √ √ S3 Ensure banksmen is present transporting equipment on the Site S2 Injury √ √ S3 Provide adequate lighting S2 Page of Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION RISK ASSESSMENT - SF-03 WEIP/D/SF-03/015 METHOD STATEMENT: MS-006 REINFORCED CONCRETE PILING PREPARED BY: GERRY GONZALEZ (C) Health and Safety Consequence S1 Negligible / No Effect S2 Minor Injuries S3 Major Injuries S4 Fatalities Ref Activities Hazard (C) Environmental Consequence E1 No Effect E2 Minor Effect E3 Major Effect E4 Irreversible Consequence YP Segment jointing VIS Pile driving PUB People Affected CO E (RR)Risk Rating (Consequence (c) x Frequency (F)) 1~4 Insignificant Work May Proceed 5~8 Acceptable Work May Proceed ~ 12 Substantial Work may not proceed 13 ~ 16 Intolerable Work may not proceed Before Control Risk Control Measures After Control (F) Frequency Negligible Unlikely Likely Probable Oth er C F RR S4 S3 Plant operation Injury √ Lifting hazard Damage / injury √ Driving close to O/H electric lines Electrocution / Injury √ √ S4 Crane instability Vibration Damage / injury Damage √ √ S3 √ Welding in bad weather Electrocution √ Fire Damage / injury √ √ √ Page of Provide appropriate PPE Operation limited to persons trained and suitably experienced Experienced operators, C F RR S2 S2 daily inspection of equipment Follow standards and check area prior to starting works S2 Provide adequate lighting S2 S2 Minimise as far as possible S1 2 S2 Safety induction, tool box talks S2 S3 Provide adequate fighting facilities S2 Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION RISK ASSESSMENT - SF-03 WEIP/D/SF-03/015 METHOD STATEMENT: MS-006 REINFORCED CONCRETE PILING PREPARED BY: GERRY GONZALEZ (C) Health and Safety Consequence S1 Negligible / No Effect S2 Minor Injuries S3 Major Injuries S4 Fatalities Ref Activities Hazard (C) Environmental Consequence E1 No Effect E2 Minor Effect E3 Major Effect E4 Irreversible Consequence YP Key: E: Employer; VIS Pile head hacking PUB Water ingress into excavation Improper People Affected CO E (RR)Risk Rating (Consequence (c) x Frequency (F)) 1~4 Insignificant Work May Proceed 5~8 Acceptable Work May Proceed ~ 12 Substantial Work may not proceed 13 ~ 16 Intolerable Work may not proceed Before Control Risk Control Measures After Control (F) Frequency Negligible Unlikely Likely Probable Oth er C F RR Injury √ S2 Injury √ S2 use of hand tools Con: Contractor; Adequate means of egress, standby pumping facilities available Safety induction / tool box C F RR S1 1 S1 1 talks Pub: Public; Vis: Visitor; Approved by Safety Officer: YP: Young People Page of Date: Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT SHIMIZU CORPORATION MS-006 REINFORCED CONCRETE PILING WORKS APPENDIX NO ENVIRONMENTAL RISK ASSESSMENT Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION RISK ASSESSMENT - SF-03 WEIP/D/SF-03/016 METHOD STATEMENT: MS-006 REINFORCED CONCRETE PILING PREPARED BY: GERRY GONZALEZ (C) Health and Safety Consequence S1 Negligible / No Effect S2 Minor Injuries S3 Major Injuries S4 Fatalities Ref Activities Hazard (C) Environmental Consequence E1 No Effect E2 Minor Effect E3 Major Effect E4 Irreversible Consequence F RR C F RR YP Pile driving C VIS Oth er PUB Transportati on of equipment / material People Affected CO E (RR)Risk Rating (Consequence (c) x Frequency (F)) 1~4 Insignificant Work May Proceed 5~8 Acceptable Work May Proceed ~ 12 Substantial Work may not proceed 13 ~ 16 Intolerable Work may not proceed Before Control Risk Control Measures After Control (F) Frequency Negligible Unlikely Likely Probable Fumes from equipment Air pollution √ √ √ √ E2 Vehicles should be regularly maintained E1 2 Noise from equipment Noise pollution √ √ √ √ E2 Minimise noise as far as reasonably possible E1 2 Dust generation from roads Fumes from equipment Air pollution √ √ √ √ E2 Water spraying to minimise generation E1 2 Air pollution √ √ √ √ E2 Vehicles should be regularly maintained E1 2 Noise from equipment Noise pollution √ √ √ √ E2 Minimise noise as far as reasonably possible E1 2 Dust generation from roads Vibration Air pollution √ √ √ √ E2 Water spraying to minimise generation E1 2 Environment al disruption √ √ E2 Minimise as far as reasonably possible E2 Page of Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT MS-006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION RISK ASSESSMENT - SF-03 WEIP/D/SF-03/016 METHOD STATEMENT: MS-006 REINFORCED CONCRETE PILING PREPARED BY: GERRY GONZALEZ (C) Health and Safety Consequence S1 Negligible / No Effect S2 Minor Injuries S3 Major Injuries S4 Fatalities Ref Activities Hazard (C) Environmental Consequence E1 No Effect E2 Minor Effect E3 Major Effect E4 Irreversible Consequence Key: E: Employer; Air pollution √ Noise from equipment Noise pollution √ Waste material Natural resource contaminatio Con: Contractor; Pub: Public; √ √ YP Pile head hacking Fumes from welding / cutting VIS Segment jointing PUB People Affected CO E (RR)Risk Rating (Consequence (c) x Frequency (F)) 1~4 Insignificant Work May Proceed 5~8 Acceptable Work May Proceed ~ 12 Substantial Work may not proceed 13 ~ 16 Intolerable Work may not proceed Before Control Risk Control Measures After Control (F) Frequency Negligible Unlikely Likely Probable Oth er √ √ Vis: Visitor; C F RR C F RR E2 Ventilate accordingly if required E1 2 E2 Minimise noise as far as reasonably possible E1 2 E2 Implement frequent housekeeping & disposal to designated area(s) E1 2 Approved by Environmental Officer: YP: Young People Page of Date: Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT SHIMIZU CORPORATION MS-006 REINFORCED CONCRETE PILING WORKS APPENDIX NO PILE DRIVING SEQUENCE DRAWINGS Appendix No EAST - WEST HIGHWAY AND WATER ENVIRONMENT PROJECT MANAGEMENT UNIT OF HO CHI MINH CITY HO CHI MINH CITY WATER ENVIRONMENT IMPROVEMENT PROJECT PACKAGE D - CONVEYANCE SEWER CONSTRUCTION AND EXISTING COMBINED SEWER IMPROVEMENT SHIMIZU CORPORATION MS-006 REINFORCED CONCRETE PILING WORKS APPENDIX NO LOCATION MAP FOR STATIC LOAD AND HAMMER DRIVING Appendix No ... IMPROVEMENT MS- 006 REINFORCED CONCRETE PILING WORKS 1+181.61 to 1+081.55to 1+ 301. 61 1+181.61to 1+421.61 1+ 301. 61to 1+541.61 1+421.61to 1+541.61 1+661.61to 1+661.61 1+781.61to 1+781.61 1+ 901. 61to 1+ 901. 61... EXISTING COMBINED SEWER IMPROVEMENT MS- 006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION RISK ASSESSMENT - SF-03 WEIP/D/SF-03 /015 METHOD STATEMENT: MS- 006 REINFORCED CONCRETE PILING PREPARED... EXISTING COMBINED SEWER IMPROVEMENT MS- 006 REINFORCED CONCRETE PILING WORKS SHIMIZU CORPORATION RISK ASSESSMENT - SF-03 WEIP/D/SF-03 /015 METHOD STATEMENT: MS- 006 REINFORCED CONCRETE PILING PREPARED