CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG

CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG CHỈ DẪN KỸ THUẬT TIẾNG ANH DỰ ÁN CW CAO LANH VAM CONG

Procurement of Works

Bidding Document

for Procurement

of

Construction of Central Mekong Delta Region Connectivity Project (CMDRCP)

Volume 2

Specification

CW2B, CW2C

November 2013

Roads Packages (CW1A / CW1C / CW2A / CW2B / CW2C)

DIVISION 1 GENERAL REQUIREMENTS 1-1

SECTION 01100 - GENERAL REQUIREMENTS 1-1SECTION 01200 - ENGINEER’S AND EMPLOYER’S FACILITIES AND SERVICES 1-24SECTION 01300 - ENVIRONMENTAL OBLIGATIONS 1-32

DIVISION 2 SITE CLEARING 2-1

SECTION 02100 - SITE CLEARING 2-1SECTION 02200 - DEMOLITION AND REMOVAL OF EXISTING STRUCTURES AND

OBSTRUCTIONS 2-3

DIVISION 3 EARTHWORKS 3-1

SECTION 03100 - COMMON EXCAVATION 3-1SECTION 03200 - STRUCTURAL EXCAVATION 3-5SECTION 03300 - BORROW MATERIAL 3-10SECTION 03400 - EMBANKMENT CONSTRUCTION 3-13SECTION 03500 - SOFT SOIL IMPROVEMENT MEASURES 3-26SECTION 03600 - VACUUM CONSOLIDATION METHOD 3-40

DIVISION 4 DRAINAGE WORKS AND CULVERTS 4-1

SECTION 04100 - PIPE CULVERTS 4-1SECTION 04150 - BOX CULVERTS 4-6SECTION 04200 - DITCHES 4-8SECTION 04300 - CATCH BASINS, MANHOLES, INLETS, AND OUTLETS 4-11SECTION 04400 - MORTARED STONEWORK 4-14

DIVISION 5 SUBBASE AND BASE COURSES 5-1

SECTION 05100 - AGGREGATE SUBBASE AND BASE 5-1

DIVISION 6 PAVEMENT 6-1

SECTION 06100 - PRIME COAT AND TACK COAT 6-1SECTION 06200 - ASPHALT CONCRETE BINDER AND SURFACE COURSES 6-7SECTION 06300 - PORTLAND CEMENT CONCRETE PAVEMENT (PCCP) 6-26SECTION 06400 - DOUBLE BITUMINOUS SURFACE TREATMENT (DBST) 6-27SECTION 06500 - ASPHALT CONCRETE LEVELING COURSE 6-32

DIVISION 7 STRUCTURAL WORKS 7-1

SECTION 07100 - CONCRETE AND CONCRETE STRUCTURES 7-1SECTION 07200 - PRECAST CONCRETE PILES 7-26SECTION 07250 - SOIL INVESTIGATION BORINGS 7-35SECTION 07300 - BORED PILE 7-38SECTION 07350 - PILE DYNAMIC TESTING 7-52SECTION 07400 - SHEET PILED REVETMENT 7-54SECTION 07450 - PRESTRESSED CONCRETE 7-58SECTION 07500 - REINFORCING STEEL 7-71SECTION 07650 - RAILINGS 7-77SECTION 07800 - BRIDGE BEARINGS 7-79SECTION 07830 - WATERPROOFING 7-87SECTION 07850 - EXPANSION JOINTS 7-90SECTION 07900 - BRIDGE DRAINAGE 7-99

DIVISION 8 MISCELLANEOUS 8-1

SECTION 08100 - CEMENT MORTAR 8-1SECTION 08200 - LANDSCAPING 8-2SECTION 08300 - TOPSOILING 8-7SECTION 08500 - TRAFFIC SIGNS AND KM POSTS 8-10SECTION 08510 - SOLAR POWERED FLASHING WARNING LIGHT 8-15

SECTION 08600 - GUARDRAIL 8-16 SECTION 08700 - PAVEMENT MARKINGS 8-19 SECTION 08710 - PAVEMENT STUDS 8-22 SECTION 08800 - PAINTING 8-24 SECTION 08900 - CONCRETE CURB 8-31 SECTION 08950 - SLOPE PROTECTION 8-33

DIVISION 9 LIGHTING AND POWER SUPPLY 9-1

SECTION 09100 - LIGHTING AND POWER SUPPLY WORKS 9-1 SECTION 09200 - CIVIL WORKS FOR ELECTRICAL ITEMS 9-17

DIVISION 1 GENERAL REQUIREMENTS SECTION 01100 - GENERAL REQUIREMENTS

In addition to the abbreviations given in the General Conditions of Contract and the Preamble to the Bills of Quantities, the following abbreviations are used in the Specifications:

All units of measurement used in these specifications and in the Bid Price Schedule follow the Standard International (SI) system of weights and measures unless otherwise noted

Unless otherwise specifically provided in this Contract, all items incorporated in the completed work, such as equipment, materials and other articles are to be new and the most suitable grade for the purpose intended

Unless otherwise specifically provided in the Contract, reference to any equipment, material, article, or patented process, by trade name, make, or catalogue number, shall be regarded as

establishing a standard or quality and shall not be construed as limiting competition, and the Contractor may, at his option, use any equipment, material, article, or process which, in the judgment of the Engineer, is equal to that named

Unless otherwise provided, the Contractor shall furnish samples of all materials to be incorporated in the Works The Contractor shall notify the Engineer of the proposed sources and supplier(s) of materials at the earliest possible date and expedite the inspection and testing of materials When sources of supply for previously approved materials do not produce uniform and satisfactory products, or if the product from any source proves unacceptable at any time, the Contractor shall furnish samples of materials, and relevant information, from other sources

The Engineer shall approve all materials prior to their incorporation into the Works In the case of imported materials, the Engineer shall approve materials prior to placing an order for the supply of the materials

Except for commercially operated sources, no work shall be performed within a source until the Engineer approves in writing a plan of operations for the development of the source Sources selected by the Contractor shall be in accordance with the following applicable requirements

 When the Contractor selects to use materials, the Contractor shall be responsible for determining that the materials in the source selected will meet the Contract quality requirements; that an adequate quantity is available; and that the amount and type of equipment and work required to produce materials will meet the specifications

 The Contractor shall be responsible for acquiring all material sources The Contractor shall acquire the necessary rights to take materials from the source and shall bear all costs related thereto, including those needed for development, exploration, erosion control, restoration, and hauling

 Approval for the use of material from the sources selected by the Contractor will be contingent upon the Contractor furnishing the Engineer with satisfactory evidence of laboratory test results that indicate acceptable quality material is available and will

be produced from the source However, the Engineer may, during production, obtain or require samples for testing to verify the quality of the material and to assure conformance with the applicable specifications

If the test results show that the materials do not meet the quality requirements of the Contract, the Contractor shall not be permitted to incorporate any of the materials into the Works The Contractor shall bear all costs associated with disposing of the material and providing another source

Any work in which untested materials are used without approval will be performed at the Contractor’s risk Materials found to be unacceptable and unauthorized shall not be paid for and shall be removed at the Contractor expense

The Contractor shall provide and maintain an adequate inspection system along with all personnel, equipment, supplies and facilities necessary to obtain samples, perform tests and provide inspection of the Works The Contractor’s inspection system shall be part of his Quality Assurance Organization in accordance with this Specification, Part I, Section 4:

“Quality Assurance and Site Laboratory”

The Contractor shall provide all necessary production and processing of the work and Quality Assurance and performance of the work so that all of the work complies with the Contract requirements

When sampling and testing are required under the Contract, the Engineer may permit such materials to be incorporated into the work prior to sampling and testing provided they are accompanied by the Certificate of Compliance stating that the materials fully comply with the requirements of the Contract

When a certification is required under the Contract and or Specifications, a Certificate of Compliance in which the lot is clearly identified shall accompany each lot of such materials delivered to the work

Certificates initiated by the manufacturer and, when required, supported by tests performed

by the manufacturer shall accompany commercially manufactured materials Copies of such test results shall be furnished to the Engineer

A Production Certification shall accompany each shipment of material and shall identify the date and place of manufacture as well as the lot number or other means of cross referencing

to the inspection and testing system The Contractor shall furnish specific test results on material from the same lot upon request by the Engineer

Materials shall be stored to ensure that they remain fit for purpose Stock piled materials shall be stored in such a way that they are free draining, free from contamination and properly separated to prevent cross contamination The Contractor shall ensure that all materials are available for inspection as required by sub-clause 7.3 of the Conditions of Contract Materials which are subsequently found to be defective due to inadequate storage shall be rejected in accordance with sub-clause 7.5 of the Conditions of Contract

Stored materials, even though approved before storage, may again be inspected prior to their incorporation into the Work Approved portions of the right-of-way may be used for storage purposes and for the placing of the Contractor’s plant and equipment, but the Contractor at

no cost to the Employer may provide any additional space required therefore Private property shall not be used for storage purposes without a written agreement of the owner and lessee and payment to them, if necessary All temporary storage areas and plant sites shall be restored to their original condition by the Contractor in a manner acceptable to the Engineer and at no cost to the Employer

The Contractor shall provide a Programme and a supporting report for the execution of the Works, in accordance with the requirements noted in Sub-clause 8.3 of the Conditions of Contract and as noted herein

The Programme shall be prepared using CPM (Critical Path Method) in Microsoft Project or equivalent software as coordinated with the Engineer The Programme shall show activity durations, activity descriptions, early and late start and finish dates, and activity float and activity dependencies The Programme shall incorporate a CPM (Critical Path Method) by which means the Contractor shall be able to identify the single series of activities that determines the shortest possible length of time for completion of the whole of the Works All activities in the Programme shall be tied to one start date (the Commencement Date) and one end date (issuance of Taking-Over Certificate)

The Contractor’s Programme shall be cost and resource loaded Cost loading shall indicate calculated or estimated costs included for each item, to equal the total Contract Price, minus Provisional Sums

The detail and number of activities incorporated in the Contractor’s Programme shall be sufficient to manage the total works and identify restraints, delays and effects on the Works

by dependent activities All activities shall be organized in a logical work breakdown structure, indicating work stages and phases, and shall clearly indicate critical path(s) of each facility and/or segment of the Works All activity descriptions shall be unique, each describing discrete elements of work with duration expressed in calendar days With due regards to the requirements of Sub-clause 8.3(a) and (b) of the Conditions of Contract the Contractor’s Programme shall incorporate all activities that will affect the Works from commencement to completion including, but not limited to:

 the Contractor’s mobilization and demobilization;

 all site investigation activities;

 all surveying and setting out ;

 all key and milestone dates;

 all interface dates between the Contractor, any interfacing contractors and sub-contractors for the Works;

 all material and Plant Submittals and Shop Drawing preparation and Submittals;

 time for review by the Engineer of Submittals;

 all activities associated with the procurement, purchase, fabrication and shipment of materials and Plant to be incorporated into the Works;

 all activities associated with the procurement and shipment of all Contractor’s Equipment, necessary for the execution of the Works, to the Site;

 all construction activities for each phase and section of the Works, including testing and commissioning and defects and deficiencies work;

 all activities (including required testing) associated with the approval of materials and equipment to be incorporated in the Works;

 all public and site holidays; and

 such other activities that the Engineer may require to be monitored

All programme submissions shall include both printed versions of the programme as well as

an electronic copy

The Contractor shall put in place a comprehensive Quality Assurance system in accordance with sub-clause 4.9 of the Conditions of Contract Such QA system shall cover the Contractor’s entire construction process and shall be managed by the QA engineer included

in the list of key staff The system shall include the generation and maintenance of registers for and the storage of all communications, including e-mails Requirements relating to the

QA system shall also be properly reflected in the Contractor’s programme issued in accordance with sub-clause 8.3 of the Conditions of Contract

In addition the QA system shall include or refer to the activities detailed below for permanent works items in the Contract

Ensure QA procedures are reflected in the programme

Management of conformance and acceptance by the Engineer

Management of remedial works proposals and acceptance by the Engineer

Monitoring of remedial works and subsequent acceptance by the Engineer

These activities are expected to be included or referred to in “work” or “inspection” sheets issued to the Contractor’s supervisory staff on site and to the Engineer attached to the relevant notices issued by the Contractor

The QA engineer is expected to ensure that the Contractor’s staff comply with the QA procedures The QA engineer is expected to check QA documents prior to submission to the Engineer for approval Any such checks shall include conformance / non-conformance procedures The Contractor is expected to advise the Engineer if any non-conformance is recorded In the case of non-conformance the Contractor shall put forward remedial measures for the acceptance of the Engineer No remedial work shall commence until such acceptance has been given The Contractor should note that it is his responsibility to check and confirm the quality of his work prior to requesting the acceptance of the Engineer

The Engineer will confirm acceptance of the Contractor’s QA documents, if appropriate, at

“hold points” in the construction process beyond which further work cannot proceed without such acceptance and on satisfactory completion of work items

The Contractor should note that the Engineer will carry out his own procedures to confirm the quality of the Works in parallel with the Contractor’s own QA If the Engineer, during his own quality assurance procedures, detects a non-conformance not detected or not reported by the Contractor “a Notice to Correct” shall be issued in accordance with sub-clause 15.1 of the Conditions of Contract The affected part of the works will be suspended until such time as a correction is made

No payment will be made against work items unless the quality of those items has been assured by the Contractor’s QA procedures The Contractor shall include in his monthly statements documentation demonstrating that each item for which payment has been requested has complied with the quality requirements of the contract and been accepted as doing so by the Engineer

The QA system is considered to be an integral part of the Contractor’s activities and its cost therefore distributed across all bill items No separate payment will be made for this activity

The Contractor shall provide Insurance in accordance with clauses 18 of the Conditions of Contract

The Contractor shall extend the validity of all bonds and insurance as appropriate should the Works not be completed within the original Time for Completion stated in the Conditions of Contract

Payment for the cost of bonds and insurance shall not be made separately, and shall be considered incidental to the works as a whole and deemed to be included in the Contractor’s rates and prices

and Clause 11 “Defects Liability” of the Conditions of Contract

The Mobilization Program and all other Programs shall be prepared using MS Project or equivalent software

The Program shall include a schedule noting the anticipated arrival of all construction equipment and facilities as well as the arrival of all key personnel of the Contractor and subcontractors

Moreover, the mobilization Program shall include a layout plan noting the location, size and arrangement of all temporary facilities, including security fencing and entrance and exit gates, sewage and water lines and systems, electrical supply and access and facility roads

The Contractor shall mobilize and keep all the key staff as required in the Contract

The Contractor shall not remove his staff from the site without the express written permission of the Engineer Within fourteen (14) days of any such removal, or notice of intent of removal, the Contractor shall nominate a replacement staff for the Engineer’s Approval

Before entering any additional work areas the Contractor shall obtain, and forward to the Engineer, a copy of the written consent of the owner and occupier or authority having jurisdiction over the land, and shall state the purposes for which such land is to be used The Contractor shall define the extent and period of occupation for which such consent is granted

The Contractor shall select, arrange for and, if necessary, pay for the use of sites for construction purposes, detours, plant and other uses necessary for the execution of the Works

Before using any land belonging to the Government or to a private landowner for any purposes in connection with the execution of the Works, the Contractor shall obtain the Engineer’s Approval for such use

If any utility passing through the temporary site is affected by the Works, the Contractor shall at his own expense provide an appropriate plan for re-alignment or relocation of such utility in full working order to the satisfaction of the owner of the utility and the Engineer, before cutting or removing or relocating the existing utility

On completion of the Contract, or earlier if so directed by the Engineer, all plant, temporary facilities and any other encumbrances shall be removed, the site and land use areas shall be properly cleaned, all damage made good, and reinstated as it was before

All construction plant and equipment provided by the Contractor shall, when brought on to the Site, be deemed to be exclusively intended for the construction and completion of the Works and the Contractor shall not remove the same or any part thereof without the approval

of the Engineer

The Contractor shall supply, equip and maintain for the Contract period all his own living accommodation, site offices, sheds and stores necessary for the execution of the Works, and

shall make his own arrangements, subject to the approval of the Engineer, with the owner of any land required and, if necessary, pay for its use

The Contractor shall have on the Site a suitable workshop, adequately equipped and provided with utilities, to allow for repairs of the equipment employed to carry out the Works He shall also provide a warehouse for the equipment spare parts, mainly for the parts that frequently fail or are difficult to procure A chief foreman qualified for mechanical repairs, with an adequate labour force shall be assigned for management and operation of the workshop

(a) Access Roads The Contractor shall acquire all additional working areas and any additional areas required for construction purposes and access or other uses

Materials used in the construction of access and temporary roads and bridges shall belong to the Contractor and may be disposed of as determined by the Contractor on completion of the Works Unless otherwise stated on the drawings all temporary roads and bridges shall be removed from the site on completion of the Works

Where stated on the drawings, temporary roads or bridges may be required by the Employer for use as maintenance access routes to the permanent works In such case the Contractor shall hand over to the Employer the temporary roads and their associated drainage works, and temporary bridges in a functional condition and having minimum dimensions and quality as stated on the drawings

(b) Electrical Power Supply The Contractor shall provide temporary lighting for all buildings at Site, to protect the Works and maintain suitable working conditions Temporary lighting shall be maintained until the Employer has accepted the Works

The Contractor shall provide and install circuit and branch wiring, with area distribution boxes located so that power and lighting are available throughout the construction site This includes responsibility for agreeing with the Electric Power Company (EVN) the location of power receiving point of the EVN substation, and design and installation of transmission line and necessary items to his substation from EVN’s substation

Generators with a suitable capacity shall be furnished by the Contractor to cope with the cases of power supply cut-off

(c) Sanitary Facilities The Contractor shall furnish temporary sanitary facilities at the Site, as provided herein, for the needs of all construction workers and others performing work or furnishing services on the Project Sanitary facilities shall have reasonable capacity, be properly maintained throughout the construction period, and obscured from public view to the greatest practical extent If chemically treated type toilets are used, at least one such toilet shall be furnished for every 20 people The Contractor shall enforce the use of such sanitary facilities by all personnel at the Site

(d) Water All water required for and in connection with the equipment and plant, devices, dust control, for settling of backfill material or for any other use as may be required for proper completion

of the Works, shall be provided by and at the expense of the Contractor

In case of shortage of water for use in the construction works, the Contractor shall draw water from a well or wells dug at the Contractor’s expenses, after Approval by the Engineer

The Contractor shall provide a sufficient supply of bottled drinking water from an acceptable source to all of the Contractor’s employees, including all necessary devices for keeping the water in good condition (hot and cold water)

(e) Sewage All sanitary facilities shall be connected to a suitable sewage system

(f) Communication System The Contractor shall make all necessary arrangements and pay all installation and usage charges for the communication system in his offices at the Site

(g) Disposal Areas The Contractor shall make all necessary arrangements, pay fees, survey and investigate suitable areas for disposal of debris and material The Contractor shall cooperate with local authorities in order to obtain their permission to dispose of debris, unsuitable soil which is not permitted to remain at the Site All costs associated with the Contractor’s disposal of debris and unsuitable soil shall be borne by the Contractor

Mobilization and demobilization shall not be measured and paid separately, and shall be considered incidental to the works as a whole and deemed to be included in the Contractor’s rates and prices

The Contractor shall supply, equip and maintain for the duration of the Contract approved laboratory facilities These facilities shall include equipment and apparatus, qualified personnel, means of transportation, furniture, computers and printers, office equipment and secure supplies of power and water as necessary The facilities shall be for the use of both the Contractor and the Engineer as may be necessary The facilities will be operated by or supervised by the Contractor, and in particular under the management of his QA engineer, all subject to the direct monitoring the Engineer

The facilities may be either constructed by the Contractor, or existing commercial facilities The facilities shall be provided with all the equipment, apparatus and materials necessary for the performance of all the standard tests required by the Specifications However, at the Contractor’s option, the tests detailed below, may be carried out at external laboratories approved by the Engineer In such case the equipment and apparatus required for these tests need not be provided Additional tests may be added to this list strictly subject to the consent

of the Engineer

2 Tests on Concrete Sewer, Storm Drain and Culvert Pipe (M86)

5 Tests on Bridge Bearings

6 Tests on Expansion Joints for Bridge

7 Tests for Electrical Equipment

8 Tests for Lighting (lamps)

9 Tests on Prestressing cable Laboratory building, equipment, apparatus, furniture and staff/assistants materials necessary for all other tests required under the Contract shall be supplied and fixed by the Contractor in the laboratory The Contractor shall ensure that records of the maintenance and calibration

of all equipment and apparatus used in tests for the Contract shall be kept whether or not such equipment and apparatus is in the Contractor’s laboratory or in an external laboratory Details of the Contractor’s proposed building, equipment and apparatus, including the proposed suppliers, the proposed laboratory facilities and staff/assistants shall be submitted

to the Engineer for his approval not later than 30 days after the issue of notice to proceed These laboratory facilities shall include a field laboratory provided by the Contractor at the location agreed with the Engineer in order that the Engineer may monitor the material used for bituminous pavements and the operation of bituminous mixing plants

When the Contractor establishes his own site laboratory or rents an outside laboratory, such laboratory shall be provided in accordance with the regulations by Ministry of Constructions and the Contractor shall obtain an acceptance from LAS (Laboratory Accreditation System)

All the costs related to the provision of the Laboratory(ies) and their operation shall not be measured but shall be considered subsidiary to the cost of the Works

Primary original points, lines and levels of reference are included in the Contract Documents

in accordance with sub-clause 4.7 of the Conditions of Contract The Contractor shall assume responsibility for the protection and maintenance of these points on taking possession of the site, until the Employer’s taking over of the Works at which time they shall

be handed over to the Employer After taking possession of the site the Contractor shall check the accuracy and condition of all primary survey points and advise the Engineer of any errors in the given values or damage to the survey points The Engineer will issue appropriate instructions should any error or damage be reported by the Contractor

The Contractor shall set out the Works in relation to the primary points All other secondary points, temporary points, stakes and all other markings shall be the responsibility of the Contractor and shall be sufficient for the Contractor to comply with his responsibility for the correct positioning of the Works Details of the Contractor’s survey proposals shall be submitted to the Engineer for his acceptance prior to the start of any of the Works on site No work shall start on site until such time as the Engineer has accepted the proposals

All survey points shall be included in a register The register shall include a unique reference for each point and record its value and the date on which it was checked or established All survey points shall be checked for accuracy and condition on at least a monthly basis as part

of the Contractor’s Quality Assurance scheme Any errors or damage found shall be promptly reported to the Engineer together with the Contractor’s proposals for rectifying such errors or damage to the satisfaction of the Engineer

Survey proposals shall be included in all method statements submitted by the Contractor for each stage or element of the Works The Contractor should note that method statements will not be accepted if they include survey points that have not been checked in accordance with the QA scheme

The Contractor shall give 48 hours notice in writing to the Engineer of his intention to start any stage, element or part of the Permanent Works In particular the Contractor’s attention is

directed at sub-clause 7.3 of the Conditions of Contract concerning work to be covered up, put out of sight or packaged for storage or transport Such notices shall be supplemental to any information provided in the Contractor’s programme issued in accordance with sub-clause 8.3 of the Conditions of Contract When issuing such notices the Contractor should note the requirements to be included in his QA scheme

In addition to the programme submitted in accordance with sub-clause 8.3 of the Conditions

of Contract, the Contractor shall provide the Engineer with notice of his intended detailed programme of works on a weekly basis This notice shall be issued on the last day of the week preceding the week to which the notice applies The notice shall include steps to be taken to recover any delays in the work detailed in the notice for the previous week Where such delays accumulate to the point where there is a significant effect on the Contractor’s overall programme submitted in accordance with sub-clause 8.3 of the Conditions of Contract, the Engineer may consider action under sub-clause 8.6 of the Conditions of Contract concerning the rate of progress

The Contractor shall submit a Health and Safety plan detailing how he intends to comply with the requirements of sub-clause 6.7 of the Conditions of Contract concerning his staff and labour and how he intends to comply with the requirements of sub-clause 4.8 concerning safety procedures related to work on site The plan should also make appropriate reference to the Contractor’s obligations concerning facilities for his staff and labour as required in sub-clause 6.6 of the Conditions of Contract The plan shall be submitted to the Engineer for his consent not later than 30 days after the date of commencement or 7 days prior to the start

of significant work, including temporary works, on site, whichever is sooner The plan shall include but not be limited to the following

a) Safety control staff organizational structure, which should identify the personnel

to be engaged solely for safety assurance (including the Contractor’s Safety Officer who will be responsible for all safety on the Site), the responsibilities of the participants and the subdivision of the project safety assurance tasks into elements which can be effectively controlled, technically and managerially b) Criteria for appointment of principal staff

c) Proposed interaction and communication procedures between the Contractor’s construction personnel and safety assurance staff, including proposals for radio communication facilities In particular, the establishment of a regular communication and reporting system

d) An undertaking signed by the managing director of the Contractor to the effect that the Contractor will ensure that safety and industrial health are given the highest priority in all aspects of the Works and in discharging his contractual obligations

e) The powers vested in the Safety Staff which would enable them to take urgent and appropriate and direct action to make safe the Site and prevent unsafe working practices, undue disruption to the environment, correct improper or inadequate traffic control measures or other infringements of the Safety Plan or statutory regulations;

f) The means by which Safety and industrial health matters and requirements will be communicated to Subcontractors of all tiers and their due compliance with the Safety Plan and all relevant statutory regulations is ensured;

g) Method by which the Safety Plan procedures and practices proposed by subcontractors will be reviewed for compliance with the Site Safety Plan and statutory regulations;

h) The safety equipment, rescue apparatus and protective clothing which will be required for the Works, including the quantity, sourcing, standards of manufacture, storage provisions and means of ensuring proper utilization by all workmen and staff employed directly or indirectly by the Contractor and repair to

or replacement of damaged equipment Such equipment shall include, but not be limited to, goggles and other eye protectors, hearing protectors, safety harnesses, safety equipment for working at heights, underground and in the confined spaces, rescue equipment, fire extinguishers, first aid equipment, lanyards, hard hats and, where appropriate, associated shock absorbers, chest harnesses;

i) The means by which safety equipment, scaffolding, guardrails, working platforms, hoists, ladders and other means of access, lifting, lighting, signing, and guarding equipment shall be inspected, tested and maintained and the standards below which such items will be removed from the Site and replaced

j) The means by which all hazards associated with working on, adjacent to and above water shall be accommodated including but not limited to details of proposed rescue boats, safety nets, warning signs, warning and navigation lights, search procedures, life saving equipment, watching for persons entering the water and any other appropriate equipment or procedure

k) Provision of first aid training to selected staff l) Provision for access to emergency facilities close to the site m) Provision for minor medical attention on site

n) Means of recording, statistical measurement, and reporting of health and safety incidents Means by which the site safety and industrial health performance of the Contractor, Subcontractors, and lower tier subcontractors can be compared with local and international norms

o) Provision of safety training to supervisory staff and staff and labour in general (it

is recommended that all staff and labour be given at least one hour of health and safety instruction before or soon after their employment on site Particular instruction should be given concerning working at height and near to heavy equipment)

p) Provision of health and safety equipment to staff, labour and visitors to site q) Provision of emergency equipment in all Contractor’s facilities

r) Details of emergency procedures in the case of a major event including details of safety drills to be conducted periodically

s) A hazardous materials statement t) An assessment of industrial health risks likely to be associated with the Works and proposals for minimisation of the risks associated with such hazards

u) Requirements to be included in traffic management plans to ensure the protection

of the public v) Requirements to be included in working methods to ensure the proper control of contractor’s vehicles travelling within the site

w) Requirements for site security to prevent unauthorised access to the site by the public Requirements for barricades, sign posts and illumination (if necessary) of all excavations, plant or items of potential danger to the public

x) Requirements for provision of sufficient watchmen to ensure the safety of the public at all times

y) Details of a suitable HIV prevention programme for the Contractor’s staff and labour

z) Details of staff and labour welfare facilities including those required by sub-classes 6.13 and 6.14 of the Particular conditions of the contract

All such provisions shall be made in accordance with current local regulations applicable to the health and safety of staff and labour and the public The Contractor should note that details of all health and safety incidents are to be included in his monthly report

The appointment of Safety Officer shall be subject to the Engineer’s approval

The Contractor shall not undertake any works on the Site until the Safety Officer has commenced duties on Site unless specifically agreed in writing by the Engineer

The Contractor shall not remove the Safety Officer from the Site without the express written permission of the Engineer Within fourteen (14) days of any such removal or notice of intent of removal, the Contractor shall nominate a replacement Safety Officer for the Engineer’s approval

The Contractor shall provide the Safety Officer with supporting staff in accordance with the staffing levels set out in the Safety Plan The supporting staff shall include at least one (1) Deputy Safety Officer whose appointment shall be subject to the Engineer’s approval The Deputy Safety Officer shall be capable of assuming the duties and functions of the Safety Officer as contained in the Site Safety Plan whenever necessary

The Contractor shall empower the Safety Officer and his staff to instruct employees of the Contractor or of its Subcontractors of any tiers to cease operations and take urgent and appropriate action to make safe the Site and prevent unsafe working practices or other infringements of the Safety Plan or the statutory regulations

The Contractor shall ensure that the Safety Officer maintains a daily site diary, such diary comprehensively recording all relevant matters concerning site safety, inspections and audits, related incidents and the like The site diary shall be available at all times for inspection by the Engineer

Safety Officers Lines of Communication: The Contractor’s Staff Organization Plan shall show direct lines of communication and reporting between the Safety Officer and the Contractor’s Project Manager and between the Safety Officer and the Contractor’s Director responsible for the Contract The Contractor shall instruct and require the Project Manager and the Director responsible to be directly accountable in all matters concerning site safety and proper traffic control

The Contractor shall submit regular site safety reports to the Engineer as a requirement of the Safety Plan A summary report shall be submitted as part of the Monthly Progress Report Prior to submission, the Contractor’s Project Manager shall endorse the Report Site safety reports shall comprehensively address all relevant aspects of site safety and industrial health regulations and, in particular, report on all site safety audits undertaken during the period covered by the report

Any breaches of the Safety Plan or the statutory regulations or disregard for the safety of any persons may be the reason for the Engineer or Employer to exercise his authority to require the Contractor’s employee, Subcontractor’s employee and or the Contractor’s Project Manager’s removal from the Site

10.5 SUB-CONTRACTOR’S SAFETY PLAN

The Contractor shall provide his Subcontractors with copies of the Safety Plan and shall incorporate into all sub-contract documentation provisions to ensure the compliance with such plan at all tiers of the sub-contracting

The Contractor shall, unless the Engineer’s approval in writing is given, require all subcontractors to appoint a safety representative who shall be available on the Site throughout the operational period of the respective sub-contract In the event of the Engineer’s approval being given, the Safety Officer or safety staff, without prejudice to their other duties and responsibilities, shall ensure that employees of subcontractors of all tiers are conversant with appropriate parts of the Safety Plan and the statutory regulations

 Weekly/Daily Safety and Environmental Protection Meetings The Contractor’s Safety Officer shall, in cooperation with Environmental Specialist, convene weekly and/or daily safety and environmental protection meetings in accordance with the Safety Plan and shall require attendance by the safety officer, safety representatives

of Subcontractors and their low-tier of subcontractors, Contractor’s site engineers, supervisors and inspectors

 Monthly Safety and Environmental Protection Meetings and Safety Patrol The Contractor’s Project Manager shall convene the Monthly Safety and Environmental Protection Meeting together with all Work Forces on the Site in which the Safety Officer and/or the Contractor’s Project Manager shall address the safety, security and environmental protection All Monthly Safety and Environmental Protection Meetings shall be notified in advance to the Engineer who shall attend the said Meeting

After the Monthly Meeting, the Contractor’s Project Manager, Safety Officer, the Engineer and Engineer’s key personnel shall conduct Safety Patrol all around the Site in order to survey the current conditions of safety and environmental protection The Engineer shall have authority to suspend the Works or part of the Works should he find non-conformity with Safety Plan

The records of all Monthly Safety and Environmental Protection Meetings and Safety Patrol shall be taken and sent to the Engineer within seven (7) days of the meeting

 Safety Talks with Newly Employed Work Forces When the Contractor, Subcontractors and their lower-tier subcontractors employ new Work Forces, the Contractor’s Safety Officer or safety staff shall conduct “safety and environmental talks” with them before new employees start their work on the Site and occasionally so as to maintain the highest standard of the safety and environment protection

The Contractor shall ensure that safety equipment and protective clothing as described in the Safety Plan are available on Site at all times and that measures for the effective enforcement

of proper utilization and necessary replacement of such equipment and clothing are incorporated into the Site Safety Plan

The Contractor shall, in addition to the Monthly Safety Patrol as mentioned in 6.10 (b) above, regularly inspect, test and maintain all safety equipment, scaffolding, guardrails, working platforms, hoists, ladders and other means of access, lifting, lighting, signing and guarding equipment Lights and signs shall be kept clear of obstructions and legible to read Equipment, which is damaged, dirty, incorrectly positioned or not in working order, shall be repaired or replaced immediately

10.9 PLANT & EQUIPMENT

All Construction Plant and equipment used on or around the Site shall be fitted with appropriate safety devices These shall include but not be limited to:

 effective safety catches for crane hooks and other lifting devices,

 Functioning automatic warning devices and, where applicable, an up-to-date test certificate, for cranes and hoists

Only suitably qualified personnel with valid licenses of each heavy equipment operation issued by the relevant authority shall operate all construction plant and equipment used on or around the Site The Contractor shall keep on the Site the records of detailed license for heavy equipment for each operator for the inspection by the Engineer

Within six (6) hours of the occurrence of any accident, the Contractor shall notify the Engineer of any accidents occurred whether on-site or off-site in which the Contractor, his personnel or Construction plant, or those of his Subcontractors and their low-tier subcontractors are directly or indirectly involved and which result in any injuries to any persons Such initial notification may be verbal and shall be followed by a written comprehensive report within 24 hours of the accident In case of fatality and serious accident, the Contractor shall immediately notify the Engineer by the quickest available means

This clause is provided to supplement the requirements provided in the Conditions of Contract While mobilized for work the Contractor shall conduct an HIV/AIDS Information, Education and Consultation Communication (IEC) campaigns via an approved service provider, and shall undertake such other measures as specified in this Contract to reduce the risk of transfer of the HIV virus between and among the Contractors Personnel and the local community, to promote early diagnosis and to assist affected individuals The Contractor shall not discriminate against people found to have HIV/AIDS as part of the campaign The Employer shall provide to the Contractor a list of approved service providers which shall include recognized local health providers which shall and/or recognized local health departments From the list the Contractor shall contract one service provider to undertake the HIV/AIDS IEC campaign

The IEC campaign shall be conducted while the Contractor is mobilized at least every 2 months, addressed to all the Site staff and labour (including all the Contractor's employees, all Sub-Contractors and Consultants' employees, and all truck drivers and crew making deliveries to Site for construction activities) and to the immediate local communities, concerning the risks, dangers and impact, and appropriate avoidance behaviour with respect

to of Sexually Transmitted Diseases (STD) or Sexually Transmitted Infections (STI) in general and HIV/AIDS in particular

At the time of first mobilization, the approved service provider shall prepare the HIV/AIDS Prevention Program which will be submitted to the Engineer for approval This will clearly indicate the (i) the types of education activities to be done; (ii) whether condoms shall be provided; (iii) whether STI/HIV/AIDS screening, diagnosis counselling and referral to a dedicated national STI and HIV/AIDS program, (unless otherwise agreed) of all Site staff and labour should be provided

The IEC campaign shall use readily available information for the project No specific new information shall be produced unless instructed by the Engineer

10.13 PAYMENT

All requirements associated with the Safety, Environmental Protection and Sanitation at Site, the Safety Officer and safety staff of the Contractor (except for the HIV-AIDs Prevention Programme) in accordance with the requirements described in these Specification provisions shall be considered as a subsidiary obligation of the Contractor under the Contract and shall

be deemed to be included in the relevant unit rates and prices of Bid Price Schedule

No additional or separate payment shall be made in this regard and no claims will be permitted in connection with any such cost or costs

Payment to the Contractor for preparation and implementation of the HIV-AIDs Prevention Program shall be made under a Provisional Sum for this purpose

The Contractor shall comply with the Decision No 04/2006/QD-BGTVT dated 9/01/2006

“Regulations on traffic safety during construction within the area for roadworks”, Decision

No 2525/2003/QD-BGTVT dated 28/08/2003 “Regulations for construction on roads in operation” and Law On Inland Waterway Navigation Ref No 23/2004/QH11 issued by The National Assembly dated June 15, 2004 and the relevant guidelines under this law, also comply with Circular No 40/2010/TT-BGTVT dated 31 December 2010 “Regulations on Ensuring of Safety Regulatory Control and Prevention of Collisions on Inland Waterways”, Circular No 23/2011/TT-BGTVT dated 31 March 2011 “Regulations on Management of Inland Waterways”

The Contractor shall submit a Traffic Management Plan detailing how he intends to comply with the requirements the Conditions of Contract, applicable local laws and regulations, and the requirements of the local authorities and police concerning the management of traffic affected by the Works The plan shall be submitted to the Engineer for his consent not later than 30 days after the date of commencement or 7 days prior to the start of significant work, including temporary works, on site, whichever is sooner It is expected that the initial plan will be supplemented by specific plans for particular parts of the Works at appropriate times during the construction

The Contractor’s traffic management plans shall ensure that necessary care is taken at all times during the execution of the Works to ensure the convenience and safety of the travelling public on any public highway, footway or waterway that may be affected by the Works and of residents along or adjacent to the Works on any public highway, footway or waterway that may be affected by the Works Such roads, footways and waterways shall include those directly affect by the Construction of the Works and those used by the Contractor for access to and from the site and the supply or removal of materials to and from the site

Public roads, footways and waterways shall be kept open for the duration of the Contract or until such time as they are diverted onto completed parts of the Works Where necessary, traffic plans shall include phases to maintain traffic flows by the provision of diversions or detours for roads, footways and waterways that require re-routing as a consequence of the works However the plans shall ensure that the existing number of traffic lanes and the same traffic capacity are maintained at all times during the Works

Notwithstanding the above, and subject to the prior agreement of the local authorities and the police, the Engineer may give his consent to reductions in traffic capacity Any such consent will be subject to the Contractor demonstrating a specific need for the reduction and that the reduction will not cause excessive delay to traffic In order to avoid excessive delay it is

anticipated that the period when the reduction in capacity may be applied will be limited to off peak traffic periods and that the reduction in capacity will be removed during peak periods for the traffic movement under consideration

Traffic plans shall include where necessary and in accordance with local traffic regulations suitable traffic signs, lights, flares, barricades, cones, traffic lights and temporary traffic ramps and other necessary facilities Where required the Contractor shall station trained, competent flag-men whose sole duties shall consist of directing the movement of traffic through or around the Works Any street lighting affected by the works shall be relocated as necessary to maintain the same standard of lighting during the course of the works until new lighting facilities are brought into operation The Contractor shall provide all plant labour and materials necessary to execute his traffic management plans on site and to maintain all traffic management systems in a clean sound condition

The Contractor shall ensure the safety of vessels and boats passing through or adjacent to the Site during the construction of the Works The safety measures for waterborne traffic maintenance includes the installation of buoys, signboards, signal lights and other auxiliary devices, aiming to direct the navigation of vessels operating on inland waterways; and the system of inland waterway signs and warning system including but not limited to:

 Channel signs, which indicate the channel limits or the directions for ships to proceed;

 Dangerous position signs, which indicate the places where exist obstructions or other dangerous positions on channels

 Notice sign, which display ban notices, restriction notices or instructions on circumstances related to channels

Where required by the maritime safety agency, the Contractor shall provide safety boats stationed at the worksite

Where specific plans for maintenance of protection of waterway safety have already been prepared and approved by the regulatory authority for specific bridges, key requirements are shown in the Drawings The Contractor shall as a minimum provide and maintain facilities meeting the requirements shown in these Drawings

Payment for traffic management in part 1 of this section will be made as follows:

Maintenance and protection of road and footway traffic shall not be measured and paid separately, and shall be considered incidental to the works as a whole and deemed to be included in the Contractor’s rates and prices

Unless there is a pay item shown in the Bill of Quantities, maintenance and protection of waterway traffic shall not be measured and paid separately, and shall be considered incidental to the works as a whole and deemed to be included in the Contractor’s rates and prices

If there is a pay items shown in the Bill of Quantities, payment to the Contractor for maintenance and protection of waterway traffic shall be made under a lump sum

01100-07 Maintenance and Protection of Waterway Traffic lump sum

The Contractor shall also provide a plan for the management of traffic within the site to ensure that the site remains a safe working environment In particular the Contractor shall ensure that all entry and exit points at public roads have a positive traffic control provided either by flagmen, a traffic light system or a removable barrier operated by a gate man

Where any large or extraordinary loads are to be transported to the site the Contractor shall provide a specific traffic management plan for each load The Contractor shall in particular comply with the requirements of sub-clause 4.16 of the Conditions of Contract and shall be responsible for carrying out any necessary investigations, obtaining of approvals, licences, escorts, and any other necessary facilities in order to enable extraordinary traffic to be transported on public roads or waterways to the site and within the site

No separate payment will be made for the work in part 2 of this section The Contractor’s costs will be assumed to be distributed as necessary across all rates in the Bills of Quantities

The location of the existing utilities is shown in the drawing as a reference and all the necessary relocation works will be undertaken by a special contractor appointed by the Employer prior to the relevant work

The Contractor is requested to coordinate with a special contractor and attend to the site for the smooth implementation of relocation works

Before commencing construction work the Contractor shall undertake a survey to confirm the detailed location of all utilities affected by the Works including trial pits to confirm the actual locations The detailed locations shall be recorded in plan form and a copy provided to the Engineer The Contractor shall be responsible for the temporary protection and support

of the utilities so located for the duration of the contract Appropriate markings, barriers and warnings shall be erected to ensure the utilities are not damaged during the Construction of the Works

Particular attention should be given to overhead services such as high tension cables Barriers and warning signs shall be erected to ensure such services are not damaged by tall vehicles such as cranes or the raised bodies of dump trucks and to ensure the health and safety of personnel on the site

Payment for the cost of location and protection of utilities shall not be made separately and shall be considered included in the cost of mobilization

of Contract

Dimensions shall not be scaled from the drawings The Contractor shall advise the Engineer when dimensions are not given or cannot be computed In such case the Engineer shall determine appropriate dimensions in consultation with the Contractor

Drawings prepared by the Contractor and submitted to the Engineer for his approval shall be

of A3 size and conform to the format of the contract drawings They shall be produced using appropriate software compatible with the software used to produce the Contract Drawings Drawings prepared by the Contractor are assumed to include the “As built” drawings Drawings shall be submitted in the numbers required by the Conditions of Contract In addition a soft copy of all drawings submitted shall also be provided

Working drawings shall be submitted with design calculations and supporting data in sufficient detail to permit a structural review of the proposed design of temporary works When concrete is involved, such data shall include the sequence and rate of placement Payment shall be made as a lump sum covering all costs of survey and preparation of working and as-built drawings Survey includes but is not limited to topographic and

geological survey required for preparation of working drawings, and for the design and construction of access, temporary, detour and diversion roads, and the reinstatement of local roads which have been used for construction

Payment will be made in instalments as follows: 30% of payment after completing survey, 50% of payment in the period of implementation (6 months), 20% of payment after approval

of the as-built drawings

The Contractor shall, within the mobilization period indicated in his programme, erect project information signs made of rigid steel frame and plate with concrete foundation at beginning and end point of the this package (detailed locations will be confirmed later) The height and width of project information sign shall be 4x2.5m, the height of sign post is 5.9m and the contractor shall submit a drawing which shows clearly the details of project information inclusive of location map and the proposed features of the expressway for approval by the Engineer before starting the construction Payment shall be made against the item detailed below

The Contractor shall obtain copies of all standards referred to in the Specification

Reference to particular standards within this specification shall refer to the latest revision of the particular standard 28 days prior to the submission of tenders, unless stated otherwise Should the Contractor propose the use of an alternative standard he shall demonstrate to the Engineer that the alternative specification is equivalent or superior to the original standard

An element of the Works specified in accordance with a particular international standard may be substituted by an element specified in accordance with an alternative international standard Where an element of the Works is specified in accordance with Vietnamese Standards the element of the Works may be substituted by an element meeting internationally accepted standards which ensure quality equivalent to or superior to the standard specified

However approval of alternative standards or alternative elements of the Works shall remain the sole discretion of the Engineer Responsibility for demonstrating the equivalence of proposed alternatives shall remain entirely with the Contractor He shall ensure that all such proposals are made in a timely manner, making due allowance for the Engineer’s and Employer’s approvals procedures, and shall not cause any delay to the construction of the Works The Contractor shall also ensure that any such proposals are properly co-ordinated with the provision of laboratory facilities and the testing of the Works

The Contractor shall maintain existing drainage that enters or crosses the site or affects the construction of the Works Such maintenance shall include the clearing and cleaning of all such existing drainage upstream and downstream up to an extent of 100 m beyond the limits

of the Site

No payment shall be made for the maintenance of existing drainage However, should any such drainage, in the opinion of the Engineer, require repair, remedial or reconstruction work the Engineer will instruct the extent of such work and issue an appropriate variation order, unless such work is required due to damage caused by the Contractor

17 PROGRESS PHOTOGRAPHS AND VIDEO

Sub-clause 4.21 of the Conditions of Contract requires the Contractor to include in his monthly report photographs showing the status of manufacture and of progress on the site Photographs shall be good quality digital photographs Photographs shall be taken by a competent photographer and shall be properly referenced The referencing shall include the date on which the photograph was taken, the subject of the photograph and where necessary the stationing and direction from which it was taken A portion of the photographs taken each month should be taken from the same position to record the sequential progress of the works Photographs should be taken to record specific or significant events, conditions or features that occur on site Photographs should also be taken to indicate the condition of roads or property which may be affected by both the Permanent Works and the Contractor’s temporary works prior to the start of work on site A selection of the photographs taken during the month shall be included in the Contractor’s monthly report The Contractor shall provide a copy of all photographs taken in both print and soft copies

The Contractor shall supplement the photographs taken by compiling a filmed record of the works at six monthly intervals The film shall be provided on a video CD and shall be at least

30 minutes playing time The film shall include significant activities which took place during the period Where a narration is included two versions of the film shall be provided: one in English and one in Vietnamese On completion of the Works the Contractor shall provide a compilation film of not less than 60 minutes playing time which shall include the major activities that took place during construction

All photographs and films shall be treated as details which are to be kept confidential in accordance with sub-clause 1.12 of the Particular Conditions of Contract

No separate payment will be made for this work The Contractor’s costs will be assumed to

be distributed as necessary across all rates in the Bills of Quantities

Where required in the Contract Documents to make a submission the Contractor shall make such submissions within the time limits given If no time limit is given the Contractor shall make timely submissions well before any work associated with the submission is programmed to start on site The Contractor shall allow sufficient time for the Engineer to review and comment on the submission The Contactor shall allow sufficient time for any re-testing, additional trials, further design and drawing or other work that may be necessary and for any re-submission that may result from the Engineer’s comments The Contractor shall remain responsible for the effect of late submissions on the programming of the Works

The pre-construction conference, to be held at a mutually agreed time and place, will take place after conclusion of the Contract Agreement, including signatures thereon, and delivery

of securities and insurance, and prior to the commencement of work

The purpose of this conference is to designate the responsible personnel and establish a working relationship between the Employer, the Engineer and the Contractor, the utility firms, and any other related governmental agencies

The conference shall be attended by the following:

 Engineer’s Representatives

 Contractor’s Project Manager, Deputy Project Manager

 Representatives from each partners consisting of Joint Venture (in case the Contractor is Joint Venture)

 Contractor’s Project Engineers

 Contractor’s Quality Control Manager

 Contractor’s Safety Officer and the Environmental Specialist

 Governmental representatives, as appropriate

 Others, as requested by the Employer, the Engineer, or the Contractor

Unless previously submitted to the Engineer, the Contractor shall bring to the conference the following:

 Tentative construction progress schedule

 Tentative design schedule required in the Contract Documents

 Tentative schedule of values for progress payment purposes

 Tentative submittal schedule of shop drawings and other submittals

The Engineer will inform the agenda in advance to the conference, preside at the conference, and arrange for keeping the minutes and distributing the minutes to all persons in attendance

b) The purpose of the meetings will be to review the progress of the Works, maintain coordination of efforts, discuss changes in scheduling, and resolve problems The Engineer will preside at the meetings and take care of keeping and distributing the respective minutes

c) The Contractor’s Project Manager, Quality Assurance Manager, Safety Officer, Programming Manager, and other key personnel as required by the Engineer, or as necessary for presentation of relevant information and data shall attend the progress meetings

d) The Contractor shall give to the Engineer at the meeting the details of his progress to date and next coming schedule (one month look ahead) in relation

to the Programme

e) All the Contractor's unit prices shall include any and all costs associated with the attendance by the Contractor's personnel at the meetings in accordance with requirements indicated herein or as may otherwise be required by the Employer or the Engineer during the execution of the Works

No additional payment will be made in this regard and no claims will be permitted in connection with any such cost or costs

Any graves found during earthwork operations shall be reported to the Engineer for appropriate instructions

21 MAINTENANCE MANUALS AND TRAINING

The Contractor shall submit to the Engineer, before issuance of the final Taking-Over Certificate, a maintenance manual in English language with Vietnamese translation covering all the proprietary products and other items as selected by the Engineer together with the as-built drawings The submission shall be two (2) printed copies in hard covers plus two (2)

CD copies The draft of the manual shall be submitted for the approval of the Engineer at least fifty six (56) days in advance to the final submission

The Maintenance Manual shall comprehensively cover all aspects of the Contractor’s supplied equipment and systems Maintenance manuals shall be prepared by system for each facility of the Works and will show schematically each system, its parts and fully describe the maintenance and operation requirements and procedures for the system and all equipment within the system The manuals shall identify all parts, equipment and accessories of each system, their location(s) as well as all wiring diagrams, circuits, equipment layouts, terminal and cable listings

For all equipment of each system the maintenance manuals shall include:

a) a complete spare parts listing with manufacturers’ part identification numbers, b) approximate cost of each spare part (at time of manual preparation),

c) manufacturers’ recommended 3 and 5 year spare parts inventory lists, and d) contact information (telephone, fax and address) and delivery times for ordering spare parts and replacement parts and replacement equipment,

e) For all equipment of all systems, the maintenance manuals shall fully describe and detail requirements, procedures and servicing intervals for planned preventive maintenance and provide sufficient information on all equipment principles and practices to enable first line fault diagnosis and rectification by technical staff

f) All special equipment necessary for the maintenance of all systems and all system equipment shall be noted in the manuals, as well as necessary fuels and lubricants

g) Procedures for the maintenance of all systems and all equipment of each system, including normal operation, start-up and shutdown as well as emergency start-up and shut-down, shall be included in the manuals

The maintenance manual shall contain but not limited to the following:

 Operating and maintenance instructions or manuals from suppliers or manufacturers attached to any item of mechanical and electrical equipment or appliances handed over to the Employer under the Contract,

 Schedule and method of inspection and monitoring for major components of the Permanent Works,

 Schedule and method of routine and periodic maintenance for the major components of the Permanent Works,

 Specifications for materials and work methods for routine and periodic maintenance and repairs for possible accidental damages, as well as

 As-built drawings

21.1.2 MANUAL MAINTENANCE TRAINING

The Contractor shall instruct designated maintenance personnel, in the operation, maintenance and adjustment requirements and procedures of all systems and all equipment

to their complete understanding for the operation and maintenance on a continuing basis O&M training shall include “hands on” instruction and demonstration of systems and system equipment as well as classroom instruction

The Contractor’s maintenance manuals shall be used as a basis for its maintenance training Prior to the completion of the Works or any section of the Works, the Contractor shall meet with the Engineer to review and establish detailed procedures and requirements for its maintenance training

Issuance of a Certification of Completion for the Works or any part of the Works shall not be made until the Operations and Maintenance Manuals and O&M training has been completed and received the approval of the Engineer

SECTION 01200 - ENGINEER’S AND EMPLOYER’S FACILITIES AND SERVICES

This Specification section describes requirements for the supply and maintenance of equipment, appliances, furnishings, and offices for the exclusive use of the Engineer and the Employer with the quantities as shown in the Bill of Quantities

The Contractor shall provide the offices, furnishings, appliances, equipment, vehicles and services noted in this Specification section for the exclusive use of the Engineer and Employer until the Completion Date unless otherwise stated

The Contractor shall provide catalogues, specification data and/ or other information necessary to fully describe all furnishings and equipment to be supplied in accordance with the provisions of this Specification section to the Engineer for review and approval of furnishings, appliances, equipment and vehicles prior to purchase and supply

The Contractor shall be responsible for all repairs and maintenance of the equipment, appliances, and accommodations The Contractor shall provide complete daily cleaning cooking services for the Engineer’s facility; all trash and garbage shall be collected and removed on a daily basis

For all equipment and appliances, the Contractor shall furnish complete user’s manuals, instruction guides, and maintenance manuals

All equipment, appliances and furnishings shall be new They shall be delivered in the original, factory sealed containers and placed or installed in the facility, after all building erection is completed

All equipment and appliances shall be provided with the manufacturers’ standard warranty All computer software shall be supplied with registration documentation to allow registration in the name of the Employer and software manuals, supplied by the software manufacturer, explaining the use of the software

Replacements shall be provided for equipment which is not in working condition or otherwise is not in a serviceable condition or is being repaired or serviced

At the Completion Date all equipment, appliances and furnishings required under this Specification section shall be the property of the Employer

All equipment and appliances furnished shall be 220 volts, 50 Hz, single phase unless otherwise noted

The Contractor shall supply, furnish, service, and maintain facilities for the Engineer and his staff as shown in the Bill of Quantities, which may comprise:

Laboratory Office in the Contractor’s Laboratory area;

Offices in the area of the Site for staff;

Ho Chi Minh City liaison office

The Engineer’s facilities shall be located at locations as required by or agreed to by the Engineer

If facilities are rented or leased, the Contractor shall make provisions with the owner(s) to extend and transfer rental and/ or lease agreement beyond the completion of the Contract if

directed by the Employer In this case, the Employer shall advise the Contractor of the party(s) designated by the Employer to acquire the lease and/ or rental agreement; the period

of time the lease and/ or rental agreement shall be extended; and the applicable facilities The Engineer’s facilities shall be maintained in a clean, stable and secure condition and shall

be cleaned at least daily

The services of a full-time security guard and cleaning/ kitchen attendant shall be provided

at the facilities for the Engineer

The location and final configuration of the Engineer’s Facilities shall be agreed with the Engineer

If there is a lump sum or monthly rate pay item in the Bill of Quantities for either a permanent or temporary site office, the Contractor shall provide and furnish for the use of the Engineer a field office to be located on or near the project site as described below A temporary site office is defined as an office provided for the period of the Contract A permanent site office is defined as an office constructed for the Engineer and the ownership

of which is transferred to the Employer If there is a provisional sum pay item in the Bill of Quantities, the requirements of the General Conditions of Contract shall apply

If there is a lump sum or monthly rate pay item in the Bill of Quantities for a HCMC liaison office, the Contractor shall provide and furnish for the use of the Engineer a liaison office in HCMC located in a rental office building Grade C or above, having good security

Site offices shall have minimum floor spaces as follows:

Room Type 1 Type 2

office room(s) 80m2 floor area in total 30m2 floor area in total

meeting room 20m2 floor area 12m2 floor area

kitchen 16m2 floor area 6m2 floor area

toilet 2 No 5m2 floor area each 2 No 5m2 floor area each

Site offices shall be provided with air conditioning equipment that will enable interior temperatures to be maintained within a range of 20-24 degrees C at all times, and blinds / curtains

The Contractor shall provide, erect, and maintain appropriate name boards (30 cm x 10 cm, laminated plastic) for the project office and each room within the project office The Engineer shall prescribe the wording on each name board and its location before fabrication and erection

The site office shall be supplied with at least two dry chemical fire extinguishers The Engineer shall prescribe locations and mounting requirements

Site offices shall have adequate parking space for the Engineer’s Vehicles

The Permanent site office shall be constructed using the Provisional Sum The size and layout of the office will be determined by the Engineer The design of the permanent site office shall be undertaken by the Contractor using the Provisional Sum

4.3 SITE OFFICE OPERATION REQUIREMENTS

The Contractor shall be responsible for all operating requirements for the HCMC Liaison,

temporary or permanent Engineer’s Offices Such operating requirements shall include but

not be limited to all necessary office supplies for all Site personnel, stationary, supplies and

“refills” for all office equipment, as well as all toilets and cleaning including accessories and

supplies The Contractor shall coordinate with the Engineer and establish procedures and

requirements for providing a continuous supply of all necessary items

If there is such a pay item in the Bill of Quantities, the Contractor shall supply new furniture

and equipment to the Engineer’s offices for the Engineer's staff (including Project

Manager/Resident Engineer and Local Engineering Staff) The quantities of each item shall

be as shown in the Bill of Quantities or as otherwise instructed by the Engineer

Table 1: Equipment and Furnishings for the Engineer’s Site Office

Quantity Description Type 1 Type 2

Refrigerator, 150 litres capacity Photocopy / Network Printer / Scanner Machine A3 and A4

30 pages per minute with ADF Desktop computer DELL Vostro 470MT or equivalent, 22"

monitor, UPS Notebook computer, screen 13.3" or larger, weight 1.5kg or less, core i5 processor or better, battery life at least 5 hours (Asus UX32VD-R3001V or equivalent)

Microsoft Win 7 64 Bit professional Microsoft Office Home and Business 2013 Microsoft Project

AutoCAD Civil 3D AutoCAD LT Antivirus software A3 B/W Laser printer, Resolution 1200 dpi x 2400 dpi, Speed

30 pages per minute for A4, paper tray 2 x 250, Duty cycle:

15,000 pages / month, Interface Parallel/USB/LAN, Canon LBP-3800 or equivalent

A3 Colour inkjet printer Conference table (3000mm x 1200mm) Conference chairs without armrest Printer Table

Steel 2 drawer filing cabinet, Dimensions 677H x 910W x 460D Godrej 2DLFC or equivalent

Steel 4 drawer filing cabinet, Dimensions 1287H x 910W x 460D Godrej 4DLFC or equivalent

Water dispenser with hot/cold, Heating min 600W (Heat Temp 85-95°C) Cooling min 100W (Cool Temp 3-10°C) SHARP SWD-T710-SL or equivalent

Microwave oven, Power min 900W Capacity min 25 Litres

As indicated in the Bill of Quantities

(0.9cu ft) combination with min 1000W Grill and 1400W Convection oven SANYO EMSL60C or equivalent Fax/Phone set with line connection

Sets kitchenware (spoons, fork, serving plates, cup & saucer, chopsticks, bowls, glasses), teapot and cups

Fire Extinguisher of 5kg

The Contractor shall coordinate with the Engineer and establish procedures and

requirements for providing a continuous supply of all necessary items including toner, ink,

stationary and other office consumables

The term Engineer Staff shall mean the number of staff shown in the Bill of Quantities for an

item

The Contractor shall furnish the Engineer's local engineering staff with 5 mobile phones

The mobile phones shall be of such design and capacity as to allow communication between

international locations and the construction site The mobile phones shall be for the sole use

of the Engineer and shall include payment of all telephone usage charges (in-country calls

only), servicing, and repairs The Contractor shall only be required to pay for in-country

calls up to a value of VND 1,000,000 per month for each phone The Contractor shall

coordinate with the Engineer to establish a procedure for monitoring and accounting

The Contractor shall provide a private lockable office, for the exclusive use by the Engineer,

at the laboratory The office shall be at least 25 m2 and be equipped with:

Table 2: Equipment and Furnishings for the Engineer’s Laboratory Office

Description Quantity Refrigerator, 150 litres capacity

Desktop computer DELL Vostro 470MT or equivalent, 22" monitor, UPS

Microsoft Win 7 64 Bit professional Microsoft Office Home and Business 2013 Antivirus software

A3 B/W Laser printer Printer Table

Steel 2 drawer filing cabinet

1400 x 700 mm desk Swivel office chair with armrest

As indicated in the Bill of Quantities

The Engineer’s personnel must have access to good quality toilet facilities for males and

females

The Contractor shall be responsible for all operating requirements for the Laboratory Office

Such operating requirements shall include but not be limited to all necessary office supplies

for all the Engineer’s personnel, stationary, supplies and “refills” for all office equipment, as

well as all toilet and cleaning accessories and supplies The Contractor shall coordinate with

the Engineer and establish procedures and requirements for providing a continuous supply

of all necessary items

If there is such a pay item in the Bill of Quantities, the Contractor shall provide vehicles and

a boat as described below for the exclusive use of the Engineer and its personnel and agents

with the quantities as shown in the Bill of Quantities The vehicles shall be new, delivered,

and maintained in good roadworthy condition All 4 wheel vehicles shall be air-conditioned

and equipped with power steering and shall be provided and maintained until 3 months after the end of the Defects Notification Period unless otherwise stated

The vehicles and boat shall be licensed and insured for use on the public highway and shall have comprehensive first class insurance coverage for any person using it

The Contractor shall provide fuel, oil, and maintenance in conformity with the vehicle or boat manufacturers’ recommendations and all relevant tolls charges incurred concerning the Works

The Contractor shall clean the vehicles and boat inside and outside as required by the Engineer

A suitable replacement shall be provided for any vehicle or boat out of service for more than

Details of the proposed vehicles and boat shall be submitted to the Engineer for his approval prior to purchase or lease

Upon completion of the Works, at a time to be agreed by the Engineer, the boat(s) shall be returned to the Contractor Other vehicles shall remain the property of the Employer

The Contractor shall provide the following type of vehicles and number of which are listed

in the Bill of Quantities for the exclusive use of the Engineer, Employer and their personnel: Toyota Fortuner or equivalent four wheel drive, hard top vehicles; minimum cylinder capacity 2500 cc, have seating for at least four persons, to be air-conditioned, to be provided

in new condition completed with all necessary documentation and insurance coverage The vehicles shall be the most recent model The vehicles shall be registered in the name of the Employer and shall be the property of the Employer

The Contractor shall provide the following type of motor cycle and number of which are listed in the Bill of Quantities:

Motor cycles shall be “four-stroke” Honda wave or equivalent and have petrol engine capacity of at least 110 cc, to be provided in new condition completed with all necessary documentation and insurance coverage

The Contractor shall provide temporary vehicles for the use of the Engineer, until the permanent vehicles as described above are provided The temporary vehicles shall be the number and approximate size and capacity of the required permanent vehicles

The temporary vehicles shall be licensed and insured for use on the public highway and waterway and shall have comprehensive first class insurance cover coverage for any qualified driver authorized by the Engineer

The Contractor shall provide fuel, oil, and maintenance and all relevant tolls charges incurred concerning the Works

The Contractor shall clean the vehicles inside and outside A suitable replacement shall be provided for any vehicle out of service for more than 24 hours

The temporary vehicles will be supplied with qualified drivers, acceptable to the Engineer The driver, although employed by the Contractor, shall work under the direction of the Engineer

The Contractor shall provide boats of types and number as listed in the Bill of Quantities for the exclusive use of the Engineer The boats shall be less than 3 years old, have an aluminium or fibreglass hull, and have a covered roof section for all weather operations Lifejackets shall be provided

Type 1 - minimum beam of 2.5 metres, length not less than 6 metres with an engine with horsepower of not less than 75 hp

Type 2 - minimum beam of 2 metres, length not less than 4.3 metres with an engine with horsepower of not less than 30 hp

The Contractor shall supply the following equipment for use by the Engineer:

One (1) Topcon ES-105 total stations or equivalent 5” accuracy, 30x magnification, 10 hour battery life, IP66 protection, internal memory at least 10,000 points, external memory USB

at least 8GB, software for setting out; plus related equipment:

 3 prisms, 3 tripods, 2 prism poles (2m), 1 mini prism/ pole set

 Wooden survey stakes, steel pins as required and miscellaneous tools required in surveying

One (1) Nikon AC-2S Level or equivalent +/-2mm accuracy; plus related equipment:

 2 steel measuring tapes 50 m long;

 2 aluminium levelling staffs (4 m);

All surveying instruments shall be supplied complete including tripods, etc The survey equipment shall remain the property of the Contractor

Provision and Maintenance of Engineer’s Temporary Site Office

The provision of the Engineer’s site office, as detailed and required under this Specification shall be measured and paid on a monthly rate basis The price and payment shall be full compensation for provision and maintaining the office building, maintaining all equipment including supply of toner, ink, stationary and other office consumables, payment of all service charges and maintenance of all other encumbrances as prescribed in this Specification

Provision of Engineer’s Permanent Site Office

The provision of the Engineer’s site office, as detailed and required under this Specification shall be measured and paid as a Provisional Sum The office shall be constructed by the Contractor on land provided by the Employer The price and payment shall be full compensation for providing the office building, additional equipment and encumbrances for the Engineer’s Site Office as prescribed in this Specification

Maintenance of Engineer’s Permanent Site Office

The provision of the Engineer’s site office, as detailed and required under this Specification shall be measured and paid as a Provisional Sum The price and payment shall be full

compensation for provision and maintaining the office building and encumbrances for the Engineer’s Site Office as prescribed in this Specification

Provision & Maintenance of Engineer’s Laboratory Office

The provision of the Engineer’s Laboratory Office, as detailed and required under this Specification shall be measured and paid on a monthly rate basis The price and payment shall be full compensation for provision and maintaining the office building, maintaining all equipment including supply of toner, ink, stationary and other office consumables, payment

of all service charges and maintenance of all other encumbrances as prescribed in this Specification

TEMPORARY SITE OFFICE

Supply of equipment for the Engineer’s Site Office shall be measured and paid by the number of each item of equipment or furniture supplied The price and payment shall be full compensation for providing the equipment, furniture and encumbrances for the Engineer’s Site Office as prescribed in this specification The equipment and office furniture shall become the property of the Employer

LABORATORY OFFICE

Supply of equipment for the Engineer’s Laboratory office shall be measured and paid by the number of each item of equipment or furniture supplied The price and payment shall be full compensation for providing the equipment, furniture and encumbrances for the Engineer’s Laboratory Office as prescribed in this specification The equipment and office furniture shall become the property of the Employer

Payment for "Mobile Telephones, Supply, Charges and Repair" for the Engineer shall be on monthly basis per phone, over the duration of the Contract Construction period The price and payment shall be full compensation for providing and maintaining and paying charges for all the mobile telephones as prescribed in this Specification section

The payment shall be based on the phone usage principles as follows:

The maximum limit for paying charges for use of the mobile phone shall be VND 1 million per month

All charges in excess of this amount shall be reimbursed by the employer of those using the phone i.e the Engineer for the engineer’s staff and the Employer for the employer’s staff The mobile phones shall be supplied in new condition Should a phone be accidently damaged, it shall be replaced by the Contractor The service provider selected by the Provider must be able to provide an acceptable reception to the phone users

BOATS

Payment for provision of motor vehicles shall be measured by the number of vehicles provided The price and payment shall include all costs associated with the purchase of the vehicle Payment will be made after the vehicles have been registered in the name of the Employer The vehicles will remain the property of the Employer at the end of the Contract Payment for maintenance of motor vehicles shall be on a monthly basis per vehicle The price and payment shall be full compensation for providing all maintenance, fuel, drivers (not for motorcycles), registration, insurance and all other costs to operation the vehicles

Payment for provision of boats shall be on monthly basis The price and payment shall be full compensation for providing one boat Type 2 and shall include provision of all maintenance, fuel, drivers, registration, insurances and all other costs to operation the boats

(items as listed in the BOQ)

01200-05 Provision & Maintenance of Temporary Engineer’s Site Office

01200-11 Provision and maintenance of temporary 4WD Vehicle vehicle months

A cycle month means one motor cycle for one month A vehicle month means one vehicle for one month A person month means one person for one month A boat month means one boat for one month

The details of the Pay Items for each Contract shall be as indicated in the Bill of Quantities of the respective Contract

SECTION 01300 - ENVIRONMENTAL OBLIGATIONS

The following Standards in their latest edition shall be particularly applied to the works covered by this Specification Section:

 QCVN 09-08 Water quality - Ground water quality standard

 QCVN 26-10 Acoustics - Noise in public and residential areas - Maximum

permitted noise level

 QCVN 27-12 Vibration and shock - Vibration causing by vehicles -

permitted maximum level in public and residential areas

 QCVN 03-08 Soil quality standards - Maximum allowable concentration

of heavy metal in soil

 QCVN 02-09/BYT Domestic supply water − Quality requirements

 QCVN 05-09 Air quality - Ambient air quality standards

 QCVN 06-09 Air quality - Maximum allowable concentration of

hazardous substances in ambient air

 QCVN 40-11 Industrial waste water - Discharge standards

 TCVN 5979-07 (ISO 10390: 2005) Soil Quality – Determination of pH

The Contractor shall appoint an Environmental Officer with environmental/social qualifications who shall remain in place for the duration of the Contract Period and shall be responsible for ensuring implementation of all of the Contractor’s responsibilities regarding environmental issues The Environmental Supervision Officer shall report directly to the Contractor’s project manager

The environmental monitoring program shall commence promptly after commencement in order to obtain baseline data prior to the start of construction activities The environmental monitoring shall also make reference to baseline data to be provided by the Engineer which was obtained during the design phase of the project

The Contractor shall undertake a condition survey for all areas and locations likely to be affected by the construction of the Works, including but not limited to the Site and areas

adjacent to the site, access routes to and from the site and the Contractor’s off site working areas, offices, accommodation, workshops and quarries The condition survey shall be carried out before the commencement of construction work

The Contractor shall put in place monitoring and reporting procedures to measure the effect

of the construction work on the areas included in the condition survey and to ensure early detection of conditions that necessitate particular mitigation measures Monitoring will be conducted by properly equipped and qualified personnel The Contractor shall provide specific descriptions and technical details of monitoring measures, including the parameters

to be measured, methods to be used, sampling locations, frequency of measurements, detection limits (where appropriate), and definitions of thresholds that will signal the need for corrective actions or mitigating measures The Contractor shall also ensure that sound engineering practices are followed and encourage on–the–job behaviour conducive to environmental protection

All monitoring shall be co-ordinated with provincial and local officials, community groups, government departments, etc concerned with environmental issues and shall include obtaining the necessary clearances from the regulatory authorities The Contractor shall:

 report monitoring results directly to the Construction Supervision Consultant

 furnish information on the progress and results of any mitigation measures

 undertake additional monitoring when requested

 immediately report any potential environmental issues that could hinder the progress

 Environmental monitoring carried out by the Contractor should be carried out based

on the requirements of the work, and carried out at the locations and times where negative environmental impact is observed or might be expected, and in response to complaints from the public or requests by the Engineer

The Contractor shall be responsible for implementing and managing mitigation measures during the construction of the Works Refer to the draft Environmental Management Plan

The Contractor shall prepare a monthly Environmental and Social report which shall include

at least the following items The report shall be included in the Contractor’s monthly report required by the Conditions of Contract

 The current work schedule for environmental management

 Monitoring results for routine checks and any spot checks

 Action taken to resolve unsatisfactory results from monitoring

 Details of any grievances or complaints from residents or other members of the public including action taken to resolve the issue

However if any incident or monitoring results indicate serious adverse impact or damage to

the environment, such incident or results shall be reported immediately to the Engineer and

the Employer

No separate payment will be made for compliance with the Contractor’s environmental

obligations, with the exception of the items shown below The Contractor’s costs will be

assumed to be distributed as necessary across all rates in the Bills of Quantities

The work of identification and treatment of acid sulphate soils with total cumulative volume

not exceeding 1000m3 shall form part of the Contractor’s environmental obligations and

shall not be measured separately for payment If acid sulphate soils requiring treatment

exceed 1000m3 the cost of treatment of the volume in excess of 1,000m3 shall be paid under

a provisional sum

The work of environmental monitoring and reporting by the Contractor shall be measured as

a lump sum, and disbursed in 36 equal monthly instalments

01300-01 Treatment of acid sulphate soils (excess volume greater than

01300-02 Environmental monitoring (internal monitoring) and reporting lump sum

DIVISION 2 SITE CLEARING SECTION 02100 - SITE CLEARING

The clearing, grubbing and removing and disposing of all vegetation and debris and removing of top soil within the construction limits, except where objects or areas are designated to remain in place or are to be removed in accordance with other Specifications sections

This work shall include the protection and preservation of all areas and objects designated to remain

The limits of the work and objects to be preserved are defined on the drawings Where required the Engineer will confirm the limits of work and the designation of objects to remain All disposal shall be to an approved waste disposal site provided by the Contractor

The Contractor will be responsible for the protection and routine maintenance of existing shrubs, trees and grassed areas designated to remain and for all objects designated to remain

On completion of the Works these areas and objects will be returned to the Employer in the same condition they were in prior to the start of the Works Any damage due directly or indirectly to the Contractor's operations shall be made good at his own expense

All surface objects, trees, fallen timber, rotten wood, stumps, roots, snags, brush, other vegetation, rubbish, and other protruding obstructions, with the exception of objects designated to remain, shall be cleared and/or grubbed

In areas of embankment all stumps and roots shall be removed to the minimum depth required to minimise excavation

In areas of cut, all stumps and roots shall be removed to a depth of not less than 50 cm below the finished subgrade level

All pits, channels and ditches shall be cleaned of unsuitable material

All voids left after clearing and grubbing shall be filled with suitable compacted material

Refer to Specification 03100 Common excavation

Saleable timber shall be neatly stored in an approved accessible location as directed and shall be trimmed and stacked in accordance with the requirements of the appropriate Government agency

The Contractor shall not use un-saleable timber or saleable timber

All timber, brush, stumps, roots, logs, and other refuse from the clearing and grubbing operation and topsoil not required for re-use shall be disposed to an approved waste site provided by the Contractor The site shall be outside of the right of way

No accumulation of debris shall remain and the right of way and adjacent areas shall be left

in a neat and tidy condition

3 MEASUREMENT AND PAYMENT

Clearing and grubbing, tree removal and protection of areas or objects in disposal sites, material sites, imported borrow pit sites, haul roads and all temporary construction areas shall not be paid for when such sites are outside the areas designated for clearing and grubbing The Contractor is permitted to exercise his own option as to whether he elects to use such disposal sites or borrow pit sites

The work shall be paid for in accordance with the applicable Unit Prices as indicated in the Bill of Quantities and given below Payment shall be full compensation for furnishing all labour, materials, tools, equipment and incidentals necessary to do the work specified Payment shall be inclusive of all necessary, removal and proper disposal of materials

SECTION 02200 - DEMOLITION AND REMOVAL OF EXISTING STRUCTURES AND OBSTRUCTIONS

Demolition and Removal of Existing Structures consists of the removal, wholly or in part, and satisfactory disposal of blocks of masonry of an individual size greater than 1 cubic meter, of all buildings, hedges, fences, structures, pavements regardless of its nature (asphalt, concrete, etc.), curbs, and any other obstructions which are not designated or permitted to remain Demolition includes the salvaging of designated materials and proper backfilling (in accordance with specification requirements) of any and all trenches, holes and pits resulting from demolition and removal work

Right of way acquisition may not be complete in all areas at the start-up of the construction period and the Contractor shall schedule the work associated with this Specification section accordingly

Obstructions or other items that are designated for removal and disposal elsewhere in the Contract Documents shall be dealt with in accordance with stipulated requirements

of this Specification section

 Complete detail of the method, equipment and schedule to perform the demolition and removal work pertinent to this item

 Inventory of the materials that could be recovered from demolition work, stockpiling

of suitable material from stripping that the Contractor pretends to use further in other items

 Detailed drawing showing the area for disposal of material from this item, or for stockpiling of recovered material when it is planned to use further for other items

or pieces that may be readily transported, and shall be stored by the Contractor at specified places on the project as directed by the Engineer

Basements or cavities left by structure removal shall be back-filled with acceptable material

to the level of the surrounding ground and, if within the prism of construction, shall be compacted in accordance with Specification section 03400 “Embankment Construction” There will be no separate payment for backfilling and compaction the resulting cavities