02 traffic control(sua l1 26 5 16)

METHOD STATEMENT VRAMP – CONTRACT PACKAGE RAP/CP15 – MAINTENANCE OF NH6 FROM KM193÷KM233 IN SON LA TRAFFIC CONTROL PLAN I GENERAL, CONTENTS AND ORGANIZATION CHART II PROPOSED FOR GENERAL TRAFFIC CONTR[.]

TRAFFIC CONTROL PLAN

I GENERAL, CONTENTS AND ORGANIZATION CHART

II PROPOSED FOR GENERAL TRAFFIC CONTROL

III SUBMISSION, APPROVAL AND CHANGE OF TRAFFIC CONTROL

PLAN(TCP) FOR EACH STATION

I.V TRAFFIC CONTROL PLAN(TCP)

I GENERAL, CONTENTS AND ORGANIZATION CHART

1 General and Contents

This General Traffic Control Plan shall be read in order to describe clearer Contractor’s planning of traffic control during construction period and shall be read in conjunction with all the relevant tender documents It shall be revised to allow for modifications based on actual physical site conditions during construction stage This plan is prepared for the treatment of public traffic on existing road that shall be affected by the construction of the project and in order to maintain traffic safety as well as avoiding excessive delay of public traffic on existing road

The Contractor shall be responsible for carrying out any necessary investigations and obtaining approvals, licenses, escorts and any other necessary facilities in order to enable extraordinary traffic to be moved on the roads in the Project area

Before the application of the measures for traffic maintenance and protection contained in the “General Traffic Control Plan” described below, the Contractor shall investigate and clarify sufficiently the details and regulations established by local authorities and pertinent divisions of the Vietnam Road and Railroad Traffic Police Department

The technical requirements specified in the Vietnamese Standards 22-TCN-237-01

“Road Signs and Signaling Regulations” or National Specifications QCKT / 01/2008/ BGTVT shall be applied as the specifications for the work items contained in this Specification Section

Traffic control devices and services shall be provided and maintained both inside and outside the project limits as needed to facilitate traffic guidance should this be necessary such as temporary bridges, temporary roads and diversions All traffic temporary control devices and facilities shall be removed upon completion of the Contract

Line communication shall be regular updating between all relation subdivision by mobile phone and daily report system Moreover, the intent of site meeting for traffic coordination shall be clarified when necessary

Inventory of the affected traffic are road section near site work area The detailed inventory of the affected traffic shall be mention in the specific traffic control plan for each section in this project

Main contents ofGeneral Traffic Control Plan shall include followings:

- Works for Traffic Control

- Materials for Traffic Control Devices

- Maintenance of Equipment and Devices for Traffic Control

- Traffic Control during Non-Working Hours

- Traffic Control during Nighttime

- Traffic Control Conserving Existing Traffic

- Number of Lanes for Traffic Control

- Vertical Clearance

2 Organization Chart

The Organization Chart for General Traffic Control Plan will be as follows:

Project Manager

Head of Safety / Traffic

Vice Head of Safety / Traffic Vice-Project Manager

Leader of Construction Team

SAFETY INSPECTIONTEAM SITE ENGINEER

Traffic control works are responsibilities of all relation subdivisions Head of Safety / Traffic who will be main responsible for all traffic control issues in the site.Head of Safety / Traffic have experience in traffic management and safety management

II PROPOSED FOR GENERAL TRAFFIC CONTROL

1 Work for Traffic Control

Prior to the start of construction operations, based on his approved Traffic Control Plan, the Contractor shall furnish, erect and maintain (at prescribed points) warning and guide signs, barricades or barriers, temporary fences (2.0 m height), and other traffic control devices as established in the approved Traffic Control Plan, the Vietnamese Standards, these specifications were directed by the Engineer

As necessary for proper control of traffic, or when/where directed by the Engineer, the Contractor will furnish and station competent flagmen whose sole duties will consist

of directing the movement of traffic through or around the Works

2 Materials for Traffic Control Devices

Retro-reflective Material: Sign panels, barricades, cones, vertical panels, and flagged paddles shall have retro-reflective sheeting meeting the minimum requirements for retro-reflective material noted in Specification “Road Signs” of the Technical Specifications

Sign Panels: Sign panels shall conform to Specification “Road Signs” of the Technical Specifications and shall be in orange color with black legend(or white with blue) Sign Posts: Sign posts shall be fabricated from untreated softwood Signs shall be capable of remaining in position during normal traffic flow and wind conditions Barricades: Barricades shall be constructed of wood

Cones:

- Cones shall be in accordance with the Vietnamese Standards for “Roads Sign and Signaling Regulations” (Article 91) with a minimum of 75 cm in height and a broadened base and shall be capable of withstanding impact without damage to the cones or vehicles All cones shall be orange/white colored and highly visible both

in daylight and darkness

- Cones will be capable of remaining bright and in position during normal traffic flow and wind conditions in the area where they are used Lamps for cones shall

be suitable for the purpose

Temporary Fence: Temporary fence shall be fabricated in panels with timber framework and galvanized metal panels The panel face towards the traffic shall be painted

Vertical Panels: Vertical panels shall be constructed of wood

Warning Lights (flashing or steady) : Warning lights shall be Type A (low intensity flashing), type B (high intensity flashing), or Type C (steady burn) as approved by the Engineer

Traffic cone shall have expansion footing in heavy material that can sustain to wind caused by vehicle and shall be able to stand strike without damage for itself or vehicle All traffic cone shall be red/white and sible in both daytime and night time Maximum distance among traffic cones is 2 meters and thay are connectd by reflective wire

3 Maintenance of Equipment and Devices for General Traffic Control

The equipment and devices provided to satisfy the requirements of this Specification Section will be maintained and kept in good condition of operation all the time Any equipment or devices that are lost, stolen, destroyed, or deemed unacceptable while their use is required on the Project, shall be replaced by at the Contractor expense Devices for traffic control shall be operated only when necessary

4 Traffic Control during Non-Working Hours

During non-working hours and following the completion of a particular construction operation, all warning signs, except those necessary for the safety of the public, shall

be removed or entirely covered with either metal or plywood sheeting so that the sign panel will not be visible

5 Traffic Control during Night Time

Nighttime operation shall be illuminated by a lighting system approved by the Engineer

The lighting system shall be positioned and operated to preclude glare

Incandescent lights will not be permitted

Retro-reflective sheeting on signs, barricades, and other devices shall be kept clean and in good condition The Contractor shall promptly correct stretches, rips, and tears

in the sheeting Retro-reflective sheeting shall have a maintained retro-reflection When applicable, street lighting shall be relocated as necessary to maintain the same standards of lighting in the course of the Works until new lighting facilities are put into operation

6 Traffic Control Conserving Existing Traffic

When the construction is going to affect an existing road (feeder roads or others) where traffic closing is not permissible, the Contractor shall keep that open to traffic during the execution of the Works, provided that when approved by the Engineer the Contractor may bypass traffic over a detour

The Contractor shall at all times keep roads and footpaths, affected by his operations, free from soil and material spillage and properly repaired at his expense if the road is

damaged by those operations

The Contractor keeps the length of the Project construction areas in such condition that traffic will be accommodated safely Traffic control devices and services shall be provided and maintained both inside and outside the Project limits as needed to facilitate traffic guidance should this be necessary

7 Number of lanes for Traffic Control

The existing number of traffic lanes of the roads that may be affected by the Project must be maintained at all times during the work execution and if diversions are provided these must be of the same traffic capacity as the original road

The detailed of Temporary road for each section shall be design and submit to the Engineer

8 Vertical Clearance

In general any temporary works placed over roads or diversions used by public traffic should have a vertical clearance specified by the Vietnamese Standards

TCVN5729-97, TCVN4054-85, 22TCN210-92, TCVN5729-97 and 22TCN210-92, as follows:

- Highways Class IV, V and VI at least 4.50 m

- Rural Roads Class A at least 3.20 m

- Rural Roads Class B at least 2.70 m

Where required by the Engineer, the Contractor shall erect and maintain suitable approved check-gates, fitted with warning signs indicating the vertical clearance

III SUBMISSION, APPROVAL AND CHANGE OF TRAFFIC CONTROL

PLAN(TCP) FOR EACH STATION:

All the activities related to the Traffic Control shall comply with approved TCP and Engineer’s instruction on traffic control

If the Contractor proposes to change the approved TCP or TS, the Contractor will notify the Consultant in writing at least seven (7) calendar days prior to any proposed change.Proposed changes are subject to the Engineer’s approval In case the Engineer makes any subsequent recommendation or instructions on the TCP in writing, the Contractor will revise the TCP accordingly

IV TRAFFIC CONTROL PLAN(TCP)

1 Before Construction

Before carrying out the construction, the Contractor shall implement procedures to ask for construction permission of Relating Authorities and procedure for handing over Construction site for Construction since date of receiving site plan, the organization, construction individual shall be responsible for managing, ensuring the smooth and safe traffic and orderly implement all measures for ensuring traffic safety during duty

implementation period;

At latest 28 days from the construction commencement, the Contractor shall submit a plan for traffic control including facilities, measures which are planned by the Contractor for reasonable and orderly traffic control during the time of project implementation

2 During Construction Process

During construction stage, the Contractor shall fulfill all agreed options, measures, working schedule; ensure smooth and safe traffic according to regulations and avoid causing damages to existing road constructions, do not level, deposit soil, if not for purpose of Construction, within road corridor

The Contractor shall regularly check the implementation of regulations for ensuring the safe traffic during construction stage according to the permission and law

During construction time, there shall be an outguard for directing traffic, when construction halt, there shall be safe signal following regulations such as: guide sign, flags and red light in the night time The outguard for directing traffic will bear a red band on the left arm and will be equipped with signal flags, whistle, red light in the nighttime

Name of Construction unit, construction station, address of the site office, telephone number and name of construction site leader will be note on both ends of Construction road sections The construction leader shall bear a badge The workers working on the road will wear on the job protection clothing according to the regulation

Construction machines on the road shall be installed sufficiently safe equipments and painted with colors according to the regulation

Out of construction time, construction machines shall be gathered in the parking lot In the case of having no parking lot, they shall be parked on the road shoulder where is easily detected and equipped with warning signal

For broken down machines, the Contractor shall at any ways bring them to the road shoulders and there shall be signal according to the regulation

While construction on the roadbed, road pavement, bridge surface, we will reserve a part of road base, pavement or bridge surface for passing of vehicles, pedestrians, as the following:

- Reserve at least one traffic lane if the pavement with less than 3 lanes.

- Reserve at least 2 lanes if the pavement with more than 3 lanes

- In the event that one lane is not wide enough, it may be cause traffic jam, we will first enlarge one side to the level as high as the exiting road and traffic can travel

on a part of existing pavement and newly built pavement to support the construction of the remained part

- In the case of excavating for enlarging road base, where is cut there shall be immediately backfilled In the case of construction on the soft soil, excavating for lowering the road base, or filing up the pavement higher than 2 m, special measures will be done for ensuring traffic, approved by the Engineer and the Employer Solution when raining will be prepared

- In the case of culvert construction without by pass, it is allowed to construct on 1/2 pavement and leave the remained part for traffic If one lane width could not attain, enlarging embankment will be carry out to reach one traffic lane We will erect fencing around excavating hole and firm barricades away from each side 30m

- While construction on streets, solutions and construction time shall be suitable for each street characters to avoid traffic jam Traffic safety corridor for pedestrian shall be ensured

Construction materials will be delivered to the Site only sufficiently for construction sections and depositing length does not large than 300m for each of construction section The material will be placed only on one road shoulder side, not parallel deposited on both road sides to make narrowness of road surface Materials disorderly deposited is strictly prohibited to avoid hindering and loosing traffic safety

While chopping down trees on road sides, warning signs and guard on both sides will

be performed; Do not let trees falling down on road surface to cause traffic jam In the unavoidable situation that trees shall be fell down on road surface, it shall be quickly move down trees to the road sides When chopping trees in any part of road, roots of trees shall be taken away and recover the original conditions Activities to plunge any object from the high to road bed, road pavement is severely banned

At the bridge repair positions keeping on traffic, traffic signs will be set up, including: narrow road, speed deceleration, roadwork, etc; establishing guard barrier, appointing traffic controller all day; materials, construction equipments shall be tidily put behind barrier separating the part for construction and the part for traffic; Electric and water supply systems for construction shall be controlled regularly for avoiding any accident

In the circumstance that the implementation of both construction and traffic maintenance is unable , the detour shall be built