Method Statement of anchor bolt work (rev b)

The purpose of this Method Statement is to describe the methodology involved in anchor bolt installation work and to detail the steps to be taken in accordance with the technical standard and EHS requirements of Vinh Tan 4 Thermal Power Plant Project.

B 04.12.2014 D.H.LEE J.H.CHOI G.B.KWACK Modified according to Owner’s comments

Owner

POWER GENERATION CORPORATION 3 VINH TAN THERMAL POWER PROJECT MANAGEMENT BOARD

Owner’s Engineer

POWER ENGINEERING CONSULTING JSCOMPANY 3

Contractor

Sub-Supplier

CONSTRUCTION CORPORATION NO.1

Project

VINH TAN 4 THERMAL POWER PLANT

Project Code

VT4

UAS Code

DD09 Date

Prepared 04.12.2014 D.H LEE

METHOD STATEMENT FOR ANCHOR BOLT WORK

KKS Code

ZEN

B

1 PREFACE 2

2 REFERENCE DOCUMENT 2

3 MACHINERY & EQUIPMENT 2

4 RESPONSIBILITIES 3

5 PROCEDURE AND SEQUENCE 3

6 QUALITY CONTROL 5

7 ENVIRONMENT, HEALTH AND SAFETY (EHS) 5

1.0 PREFACE

The purpose of this Method Statement is to describe the methodology involved in anchor bolt installation

work and to detail the steps to be taken in accordance with the technical standard and EHS requirements of

Vinh Tan 4 Thermal Power Plant Project

 Plant Project.: VinhTan4 Thermal Power Plant

 Company/Owner: Power Generation Corporation 3

Vinh Tan Thermal Power Project

Management Board

 Contractor: DMPP Consortium

2.0 REFERENCE DOCUMENTS

 Approved Contract Quality Plan

 Project EHSS Management Plan

 Civil Layout Plans & Drawings

 AISC 303-10

 ACI 117-06

3.0 MACHINERY & EQUIPMENT

4.0 RESPONSIBILITIES

• It is overall responsibility of Project Manager to organize resources prior to perform construction activities as per project specification in compliance with the quality, schedule & safety requirements

• EHS Manager will ensure in coordination with Site Engineer that all measure/construction taken shall

be maintained till completion of job

• It is the responsibility of Construction Manager/Site Engineer that construction activities are executed

according to the relevant project specification in compliance with the quality, schedule & safety requirements

• DMPP will ensure that all works are performed safely according to the attachment

• The relevant DMPP Supervisor will ensure that the work is carried out in accordance with this method statement and project specification

• The QC Inspector will ensure that the work is executed according to the requirements specified in the design drawings and MS and ITP

• The QC Inspector will ensure that material before installation, certificate of material shall be checked prior to installation

5.0 PROCEDURE AND SEQUENCE

5.1.1 ANCHOR BOLT SETTING

Step 1: Marking for boundary line of starting column on footing

Step 2: Installation and fixing for Anchor bolt Frame shall be followed design drawing as such center line& elevation…

Step 3: Marking for bolt-group-center line on side of form

Step 4: Set template with anchor bolts The template position is higher than concrete surface level Making line of bolt group center and each bolt must be matched on the template Adjust position of the template according to making line on footing by plum bob

Step 5: Welding diagonal supporting bar to method steel bar and anchor bolt

Step 6: Set form for starting column and support them carefully

Step 7: Check position of anchor bolt again

Step 8: Protect bolts head by masking tape

Step 9: Cast concrete for starting column

5.1.2 ANCHOR BOLTS SETTING SEQUENCE :

5.1.3 DETAIL OF ANCHOR BOLT SYSTEM (for example)

TYPICAL SECTION

Item 1 : Anchor Bolt Frame

Surveying Elevation Coordinate, plumbing Mat’s receiving

Fixing & tacked welding Center line marking

Installation and fixing

Final Inspection

Anchor bolt setting

6.0 QUALITY CONTROL

The Site Inspection & Test Plan (ITP) for this work summarizes various characteristics to be checked The concerned Site Engineer/Foreman will be responsible to ensure stage wise compliance for this operation and the Site QA/QC Engineer/Inspector will carry-out quality control checks and report the inspection results All workers are trained to perform, certified skilled for this work and the QC Engineer will tightly control on the site

7.0 ENVIRONMENT, HEALTH AND SAFETY (EHS)

7.1 Responsibilities and Instructions

• PM/EHSS Officer shall ensure that all work is undertaken in accordance with the specified work scope

• Safety training should be conducted to all personnel assigned at site prior to commence any work

• All personnel should know the locations of fire extinguishers, communications

• All personnel should be aware of assembly points, escape routes, emergency contact numbers

• Carry-out daily tool box and safety talks

• Personal Protective Equipment (PPE) shall be worn at all times

• Good housekeeping shall be observed in work areas

• Construction wastes shall be segregated and disposed to an approved dump yard area

• Permit to work shall be obtained appropriately for the type of work and location

• Adequate lighting equipment when working night time

• Ensure all workers and equipment working overtime are properly accounted and obtained permit/approval from DMPP EHS Manager prior to carry-on works

• Periodic refresher trainings, toll box talk and audit shall be conducted

7.2 Safety( PPE )

• Personal Protective Equipment (PPE) will be issued to all workers such as safety shoes, hard hat, working gloves, earplug, safety goggles, reflective vest and safety harness for workers who will be assigned in elevated places 1.8m and above

• Wearing of the basic PPE will be enforced fully

• All new recruits will undergo proper orientation and safety induction before they could deployed at site for work

7.3Job Safety Analysis

JOB SAFETY ANALYSIS

Vinh Tan 4 Thermal Power Plant Project

(Developing a habit of analyzing methods to identify hazards & unsafe practices than developing solutions that

control, minimize or eliminating hazards.

1List of All Job

Steps List of All Known Hazards How to Eliminate Hazards

A Working

Operation During

Night Time

A.1 Working operation may cause injury to personnel due to poor visibility of the area

A.1a Must provide sufficient lightings on the entire working area

A.1bAll equipment/tools must be fitted with appropriate safety device and ensure all lights are operational not obscured by dirt & mud

A.1c Supervisor and safety personnel must always be present for the entire working operation

A.1dAll workers must be wearing reflective vest

A.1e Ambulance car and designated Nurse must be on stand-by for the entire working operation

A.1f Must use and connect 3 core codes electric wires with separate distribution panel (must pass

arrangement of ECLB)

A.2 Generator (Diesel) equipment oil leakage during operation

A.2a Daily check of the equipment prior to start of work

A.2bRegular check &monitoring of the equipment prior to use

A.2c Provide secondary containment protection under the equipment to prevent contamination of soil by oil spillage

A.3 Oil/chemical storage A.3a Diesel/chemical shall be stored in secondary containment & MSDS requirement shall be

communicated with all concerned

B Welding

B.1 Eye Injuries

B.1a Inform all persons in the vicinity where welding may be performed of welding in progress

B.1b Wear a properly fitted N-95 particulate mask designed for welding applications

B.2 Hand Injuries B.2a Use the appropriate gloves for welding, activity.Use long sleeve shirts, welding sleeves, or jackets to

prevent burns from welding slag

B.2b A fire extinguisher needs to be available while welding or hot work is being performed close by

JOB SAFETY ANALYSIS

Vinh Tan 4 Thermal Power Plant Project

(Developing a habit of analyzing methods to identify hazards & unsafe practices than developing solutions that

control, minimize or eliminating hazards.

1List of All Job

Steps List of All Known Hazards How to Eliminate Hazards

C.Equipment/

Tools

C.1 Injury by using hand tools and both manual and power driven

C.1a Be operated only by workers who have been authorized and given appropriate training

C.1bSafe operating procedure should be established and used for all tools and equipment

C.1cDaily checkilst of equipment must be provided prior to start any work

C.1dEvery power driven tools should be provided with adequate means, immediately accessible and readily identifiable by operator, of stopping it quickly and preventing it from being started again inadvertently C.1e Every hand tools must be inspected every month and attached inspection tag

C.2 Electric shock due to to without ground external box and circuit breakers

C.2a Provide adequate ground and circuit breakers C.2bMust use 3 core codes electric wire and separate distribution panel (must pass arrangement of ELCB) and avoid any water affect

C.2c All kind of electric cable must be hang over ground

C.2d Must use industrial socket and plug C.2e Electric cabinet don't affect any water

C.3 Generator (diesel) equipment oil leakage during operation

C.3a Daily check of the equipment prior to start of work

C.3b Regular check &monitoring of the equipment prior to use

C.3c Provide secondary containment protection under the equipment to prevent contamination of soil by oil spillage

C.4 Oil/chemical storage C.4a Diesel/chemical shall be stored in secondary containment & MSDS requirement shall be

communicated with all concerned