GRBCC MS SUBSTR a2 EN LONG rev1 2

GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN CONTENTS General Locations Construction Schedule 55 56 Site Organization Chart Materials Equipment Construction Procedure 7-1 Flow Chart A Pile Cap B Pier Column/Wall C Pier Head 7-2 Work Sequence A Pile Cap B Pier Column/Wall C Pier Head 1514 19 Quality Control Safety Control 10 Environmental Control 2625 7 10 10 24 2524 Appendixes Appendix I Appendix II Appendix III - Typical Drawings of Detail of SpacerStructure (012 page attached) Typical Detail of Spacer (02 page attached - General Formworks Drawing for Substructure Appendix IV - Typical Set-up Plan for Concreting Works Appendix Va - Typical Concrete Casting Sequence (Concrete pump used to pour concrete) - Typical Concrete Casting Sequence (Crane and bucket used to pour concrete) (03 page attached) (03 page attached) Appendix Va Revision A1A2, 2622th JulAug, 2010 (03 page attached) (03 page attached) page GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Appendix VIa - Typical Placement of Vinyl Sheet for Curing (Concrete pump used to pour concrete) (03 page attached) Appendix VIb - Typical Placement of Vinyl Sheet for Curing (Crane and bucket used to pour concrete) (03 page attached) (03 page attached) Appendix VII - Typical Construction Joint Detail in Case of Emergency (03 page attached) Appendix IX - Typical Arrangement of Scaffolding (02 page attached) Appendix X - Inspection and Testing Plan (01 page attached) Appendix XI - Inspection and Checklist (19 20 page attached) Total 80 838 pages Revision A1A2, 2622th JulAug, 2010 page GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN General This is a Method Statement for Construction of Substructure of Bridge Structures in accordance with section 06100 - Concrete and Concrete Structure and section 06400 - Reinforcing Steel Bars of Division – Concrete Work of the General Specifications after structure excavation Substructure shall consist of the Pile cap, Pier Column, Pier Head and Walls of Abutment The method for construction of bearing seat and setting of anchor bar shall be submitted separately Typical Drawing of Structure covered on this method statement is attached as Appendix I Details of working drawing and Design Calculation of Form will be submitted separately as Addendum Locations Refer to below table for the Substructure Locations Detailed and specific locations will be shown on shop drawing No A7/05 A7/06 A7/07 A7/08 A7/16 A7/17 A7/18 Total No Bridge Name Khe Can Bridge Xom Danh Bridge Thin Thung I Bridge Thin Thung II Bridge Ramp A Bridge Ramp B Bridge Ramp A II Bridge Bridge Name Chau Que Thuong bridge A7/02 Khe Sang Bridge A7/01 A7/03 A7/04 Khe Hong Bridge Tan An Bridge Khe Can Bridge A7/06 Xom Danh Bridge A7/07 Thin Thung I Bridge A7/08 Thin Thung II Bridge A7/09 Tan Thuong Bridge A7/05 Revision A1A2, 2622th JulAug, 2010 Station Span arrangement Km 195+233.50 Km 198+438.05 Km 199+050.50 Km 199+131.40 Km 198+730.00 Km 199+050.50 Km 198+730.00 x 24 m 1x24 + x 33m 2x 24m 2x 24m2x 24m x 14m 2x 24m x 18m Station Span arrangement Km190+487.35 3×33m Km191+353.15 2×24M+5×33M+2× 24M 4×33M+1×24M Km193+379.65 Km194+765.00 Km 195+233.50 Km 198+438.05 Km 199+050.50 Km 199+131.40 Km199+860.2 Total number of Abutment 2 24 2 2 1014 Total number of Abutment Total number of Pier 32 1 1011 Total number of Pier 2 2 2 2 2 1 2×33M+1×24M+2× 33M+1×24M 2×24M 1×24M+2×33M 2×24M （ 13+12 2×24M 1×33M+2×40M+1× 33M page GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Khe Dal Bridge A7/11 Khe U Bridge A7/12 Ngoi bong Bridge A7/13 Tan Tien Bridge Km 201+815.50 Km 204+581.05 Km 207+936.55 Km 209+329.70 Cam Con Bridge A7/15 Xom Cam Bridge A7/16 Ramp A Bridge A7/17 Ramp B Bridge A7/18 Ramp A II Bridge Total Km 209+690.65 Km 214+679.00 Km 198+730.00 Km 199+050.50 Km 198+730.00 A7/10 A7/14 2×33M 1×40M 1×33M 2×24M+1×40M+3× 24M 3×33M 2×24M 1×14M 2×24M 2×18M 2 2 0 2 2 36 1 38 Construction Schedule Construction Schedule shall be referred to latest approved Overall Schedule and construction process of subcontractor shall be indicated on the monthly and weekly schedule Site Organization Chart Revision A1A2, 2622th JulAug, 2010 page GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Materials Revision A1A2, 2622th JulAug, 2010 page GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN The below list of materials that should be approved by the Engineer shall be used for the construction of substructure Materials Reinforcing Steel Bar Concrete Description CB400-V, CB24004-T Class C-2 (Strength – 30Mpa) Remarks Approved in accordance with S06400 Approved in accordance with S06100 Equipment The list of equipments for the construction of Substructure is shown below No 35 46 57 68 79 810 911 102 Equipments Bulldozer Crane 25T Roll vibỉiationvibration D40- D70 Welding machine Cutting machine Bending machine Transportation station Mix truck 6m3 Concrete bucket Concrete batching plant 4080m3/h Using for Installing Installing Reinforcement Formwork each 23 each Casting Concrete NoteRem arks 12 each set set each 13 each 24 each 24 each set Above stated schedule of equipment shall be increased in quantity if required and necessary Actual equipment mobilized shall be subject to inspection and approval by the Engineer in accordance with Guide Form No BBMMNL Revision A1A2, 2622th JulAug, 2010 page GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Construction Procedure 7-1 Flow Chart 1) 1) The Whole Substructure Works for one Pier/Abutment "Procedure of Construction" "Action to be taken" Structure Excavation (A) (1) Pile Cap Preparation Work Fabrication (2) of rebar (3) Revision A1A2, 2622th JulAug, 2010 Survey marking for limit of pile cap Confirmation and approval of working drawing Check and inspection of shape and dimension of fabricated rebar Confirmation of material testing for rebar Establish reference and marking points Installation of rebar for pile cap (4) and Column/Wall starter rebar Check and inspection for location, spacing and and arrangement of installed rebar in accordance with shop drawing & tolerance of structure Approval by the Engineer Installation of formworks (5) for pile cap with shorings Check and inspection of dimension, location and verticality of forms Check and inspection of concrete covering Approval by the Engineer (6) Concrete casting for Pile Cap Check resources for concrete casting Confirmation of layer height to be cast Check casting speed Check stability and tightness of form Check arrangement of installed rebar and form Check concrete quality,temperature (T < 32 C) and slump on site (7.5cm+ 2.5cm) Concrete sampling for compressive test (7) Treatment for construction joint Exposure of clean aggregates for construction joint (8) Removal of forms and curing of concrete Confirmation of time elapsed (24 hours after casting for removal of form) Check surface of concrete Installation of vinyl sheet for curing page GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN (Continued) Revision A1A2, 2622th JulAug, 2010 page 10 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN "Procedure of Construction" "Action to be taken" (B) Pier Column/Wall Survey marking for location of (1) Pier column/wall Installation of scaffolding around (2) pier column/wall on pile cap Check condition of scaffolding frames, scaffolding height, railing and support Safety procedures for working on elevated platform (3) Instal ation of column/wall rebar for first/next lift Check and inspection for location, spacing and and arrangement of instal ed rebar in accordance with shop drawing and tolerance of structure Check splice length and location Approval by the Engineer Instal ation of forms and embedded (4) items for pier column/wall first lift/next lift Check and inspection of verticality, location and stability of form Survey and inspection of shape, dimension and location Check and inspection of concrete covering in accordance with Tolerance of structures Approval by the Engineer (5) Concrete casting for column/wall Check resources for concrete casting Confirmation of layer height to be cast Check casting speed Check stability and tightness of form Check arrangement of installed rebar and form Check concrete quality,temperature (T < 32 C) and slump on site (7.5cm+ 2.5cm) Concrete sampling for compressive test (6) Treatment for construction joint Exposure of clean aggregates for construction joint Removal of forms and curing (7) of concrete Confirmation of time elapsed (48 hours after casting for removal of form) Check surface of concrete Installation of vinyl sheet for curing (8) Extend scaffoldings for next lift Confirmation of arrangement and layout of scaffoldings Safety procedures for working on elevated platform Move to next (9) lift until reach Splicing and fixing rebar top elevation for next lift Pier column (10) Finishing of column/wall surface Revision A1A2, 2622th JulAug, 2010 Establish reference and marking points Confirmation of approved working drawing Check and approval by the Engineer Surface shall be free from depressions and projections Check and approval by the Engineer page 11 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN PLAN SECTION B-B Revision A1A2, 2622th JulAug, 2010 page 79 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN APPENDIX VIII (Typical Construction Joint Detail in Case of Emergency) (3 sheets attached) Revision A1A2, 2622th JulAug, 2010 page 80 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page 81 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page 82 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page 83 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page 84 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page 85 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN APPENDIX IX (Typical arrangement of Scaffolding) (2 sheets attached) Revision A1A2, 2622th JulAug, 2010 page 86 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Typical arrangement of Scaffolding (Construction of column) Revision A1A2, 2622th JulAug, 2010 page 87 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page 88 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Typical arrangement of Scaffolding (Construction of pier head) Revision A1A2, 2622th JulAug, 2010 page 89 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page 90 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN APPENDIX X (Inspection and Testing Plan) (1 sheet attached) Revision A1A2, 2622th JulAug, 2010 page 91 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN APPENDIX XI (Inspection Checklist) (19 sheets attached) 1) Inspection Sheets (Acceptance Documents) Cover Page 2) Authorization for Signing of Acceptance Documents of Construction Works 3) Checklist for Acceptance of Construction Work (DMNTC-II) 4) Acceptance Minutes of Work Item Completed (I-01) 5) Acceptance Minutes of Construction Work (II-01) 6) Checking Record of Structure Completed (II-02) 7) Inspection Check List (II-03) 8) Inspection Record of Structure Excavation Work without Cofferdam (SEI-01) 9) Inspection Record of Structure Excavation Work with Cofferdam (SEI-02) 10) Inspection Record of Blinding Stone Work (BSI-01) 11) Inspection Record of Lean Concrete Work (LCI-01) 12) Checking Report of Formwork (II-04) 13) Checking Report of Steel General (I-10) 14) Checking of Preparation for Concreting (I-12) 15) Report on Concrete Placing (I-13)(1/2) 16) Concrete Check Sheet (I-13)(2/2) 17) Concrete Compressive Strength Test (I-14) 18) Inspection Record Bearing Grout Pads (BGP-01) 19) Inspection Record of Structure Backfilling Work (SBI-01) Revision A1A2, 2622th JulAug, 2010 page 92 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Construction Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCC-MS-SUBSTR-A2-EN GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC ) Noi Bai-Lao Cai Highway Project Package A7: Km 190+420 ~Km 218+040 Method Statement For Substructure of Bridge Structure GRBCCA7-MS-SUBSTR-A1A2-EN Revision A1A2, 2622th JulAug, 2010 page 93 ... Km199+860 .2 Total number of Abutment 2 24 2 2 1014 Total number of Abutment Total number of Pier 32 1 1011 Total number of Pier 2 2 2 2 2 1 2? ?33M+1? ?24 M +2? ? 33M+1? ?24 M 2? ?24 M 1? ?24 M +2? ?33M 2? ?24 M （ 13+ 12 2? ?24 M... 190+ 420 ~Km 21 8+040 Method Statement For Substructure of Bridge Structure GRBCCA7 -MS- SUBSTR- A 1A2- EN APPENDIX II (Typical Detail of Spacer) (2 sheets attached) Revision A 1A2, 26 22th JulAug, 20 10... 190+ 420 ~Km 21 8+040 Method Statement For Substructure of Bridge Structure GRBCCA7 -MS- SUBSTR- A 1A2- EN Revision A 1A2, 26 22th JulAug, 20 10 page 42 GUANGXI ROAD AND BRIDGE CONSTRUCTION CO, LTD ( GRBCC