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CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION QUANLITY CONTROL METHOD 1/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION TABLE OF CONTENTS DESCRIPTION OF WORK QUALITY ORGANIZATION BIDDER'S QUALITY CONTROL PLAN QUALITY CONTROL LIST 2/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION Description of Work The Bidder will be committed to a Quality Control with the aim to ensure conformance with contractual requirements, and to provide Employer's confidence, that the products and services are fit for their intended purposes It is part of the Bidder's overall and ongoing development to implement and maintain quality to give effect the Employer's expectation of optimum price, timely delivery, construction quality and conformity to specifications are all fulfilled In the first instance, quality means the successful realization of contractual requirement, including technical specifications and the meeting of deadlines, all done in an economic manner The quality requirements stated in the contract thus delegate a very high responsibility to individual staff In order to measure and attain of these goals a "Quality Control Plan" is established This system is advantageous to the Engineer, the Employer as well as the Bidder The Quality Control Plan ensures simple and logical documentation which shall help the Engineer in his control as well as the: Bidder in the execution of the works, and is particular helpful in'… minimizing the cost of extra work Quality Control Plan should not just be a slogan It should be a positive procedure, willingly accepted by all staff as their responsibility, with which they identify the procedures and goals, and act accordingly The development of procedures have been defined and integrated within our Quality Control Plan in accordance with ISO 9001 This will ensure that required quality levels are achieved on overseas construction sites by careful planning as well as early identification and elimination 'of problems The introduction of the Quality Control Plan is dependent upon the member of the Management Team fulfilling his duties conscientiously -every staff must not only know the system, but must practice and carry out This will result in a smooth operation and a satisfied to the Engineer and the Employer 3/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION Quality Organization 2.1 Quality Organization chart Project Manager Quality Manager Construction Manager Construction Team Road Construction Structure Construction Lab Manager Lab Quality supervision Drainage Construction Other items Construction Staf Quality Organization chart The Quality Control will be established independently of the other functions Decision made by the Quality Control Manager concerning appliance shall not be ignored or overridden by other sections Quality audit is carried out during the execution of the project to ensure that the quality effectively meet the construction specifications and contractual requirement The Quality Control shall be related to the planning, management, implementing and evaluating quality for the construction of project 2.1 Tasks for Each Organization and Personnel Project Manager 4/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION The Project Manager is responsible for execution of the project and to ensure that the quality system is carried out at site He shall ensure that the right resources are allocated to the project Quality Control Manager The Quality Control Manager is the authority on all quality matters about the project He is to provide the authority and necessary assistance to solve quality problem The Quality Control Manager is responsible for compliance with the requirements of the Contract, approved drawings for the areas of site works in his control and for the quality of workmanship For the Bidder, he is the authority to lead, instruct, supervise and direct the execution of the works under his control and he will interface with the Engineer on all questions regarding organization of quality system and control including the establishment of quality assurance and control procedure The Quality Control Manager's responsible works are followings • The Quality Control Manager is responsible for the proper implementation, management and organization of on-site Quality Control Plan with respect to the project and its requirements cooperating with Project Manager • The Quality Control Manager shall lead, instruct advice and supervise the site staff in all matters relating to quality system / quality control • The Quality Control Manager shall implement, control, revise and maintain complete inspection records for the project • The Quality Control Manager shall insure that the site superintendent and site staff are informed of and receive copies of amendments and revisions to drawings, specifications and contract requirements • The Quality Control Manager shall coordinate with the Project Manager, site staff on ways of resolving quality-related production problems • The Quality Control Manager shall review incoming notification from the Engineer relating to quality control procedures and to suggest or approve remedial action • The Quality Control Manager shall coordinate with the Engineer on the ways of resolving quality-related procedure problems • The Quality Control Manager shall review incoming notification from Engineer relating to quality control procedures and to suggest and implement revisions • The Quality Control Manager shall review and approve submissions from suppliers and sub- Bidders relating to product/service quality 5/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION • The Quality Control Manager shall review and certify shop drawing, certificates and other data prior to submissions to the Engineer The Quality Control Manager shall delegate such authority as deemed appropriate for the effective implementation of procedures and requirements to the QC staff without, however, relieving him from his overall responsibility Quality Control Staff The Quality-Control Staff is the coordinator and supervisor of all matters relating to compliance with contract drawings and specifications, codes and standards as applicable He is independent from the Site Engineer and the production team regarding any matters related to quality control / quality procedures He shall be reliable assistance to the Quality Control Manager and perform under QCM's direction and instruction The Quality Control Staff's works are followings • The Quality, Control Staff is responsible for the management and organization of Quality Control Plan with respect to the project and its requirements • The Quality Control Staff shall lead, instruct and supervise the development of the detailed inspection system • The Quality Control Staff shall establish, revise and material testing records for the project • The Quality Control Staff shall insure that the Project Manager and all staff concerned are informed of and receive copies of amendments and revisions to drawings, specifications and contract requirements • The Quality Control Staff shall insure that internal and external laboratories and testing systems are selected and maintained as required by applicable regulations • The Quality Control Staff shall review throughout the project cycle, the effectiveness of the inspection plan, procedures and documentation and to propose changes or amendments for optimization • The Quality Control Staff shall coordinate with the Project Manager and site staff on ways of resolving quality-related procedure-problems • The Quality Control Staff shall be delegated by such authority as deemed appropriate for the effective implementation of procedures and requirements This, however, shall not relieve him from his overall responsibility 6/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION Engineer Before construction QC division During the construction Project manager After construction Construction quality control diagram Bidder's Quality Control Plan 3.1 QC Coordination Meeting Before start of construction, and prior to approval by the Engineer of the Quality Control Plan, the QC Coordination Meeting shall be performed as follow The Bidder with his QC Engineer shall meet with the Engineer and discuss the Bidder's quality control system During the meeting, a mutual understanding of the system details shall be developed, including the forms for recording the QC operations, control activities, testing, administration of the system for both on-site and off-site work, and the interrelationship of Bidder's Management and control with the Engineer's Quality Assurance requirements Minutes of meeting shall be prepared by the Bidder's QC Engineer and be signed by the Bidder's QC Engineer, the Bidder's Project Manager, and the Engineer The minutes shall become a part of the Contract file There may be occasions when subsequent conference will be called by either party to reconfirm mutual understandings and/or address deficiencies in the QC system of procedures, which way require corrective action by the Bidder 3.2 QC Documentation The QC Organization shall maintain current records of quality control operations, activities, and tests performed, including the work of SubBidders and suppliers These records shall be on a daily report from acceptable to the Engineer and shall include factual evidence that required quality control activities and/or tests have been performed, including but not limited to the following: • Work performed each day, giving location, description, and by whom Type and number of control activities and tests involved 7/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION • Results of control activities or tests • Deficiencies noted along with proposed remedial action of corrective action • Control activities performed with results and references to specifications and/or Drawing requirements 3.3 QC Tests and Testing 3.3.1 Testing Procedures Tests specified or required shall be performed to verify that control measures are adequate to provide a product that conforms to Contract and specification requirements Testing includes operation and/or acceptance tests when specified or required A list of test to be performed shall be furnished as a part of QC plan The list shall give the test name, frequency, specification paragraph containing the test requirements, the personnel and laboratory responsible for each type of test, and an estimate of the number of tests required 3.3.2 Independent Testing Laboratory The Independent Testing Laboratory shall be provided The Independent Testing Laboratory shall be noted in the Quality Control Plan, as well as necessary information and data to evaluate the laboratory's qualifications and proposed personnel to be assigned to the Works The Independent Testing Laboratory shall maintain and operate a laboratory on site during the duration of the construction activities of the Works to accomplish all on-site testing The Independent Testing Laboratory shall be fully equipped with all necessary equipment and trained personnel to properly conduct all on-site testing in accordance with specified and appropriate materials testing procedures and shall meet appropriate criteria In the Quality Control Plan, all on-site testing by the Independent Testing Laboratory shall be noted, as well as any testing the Bidder propose to accomplished off-site by the laboratory or other laboratories In the Quality Control Plan, a complete listing of the proposed on-site testing equipment and available off-site testing equipment of the Independent Test Laboratory shall be noted The on-site Independent Testing Laboratory will be a part of the Construction Quality Control operation and will independently, but under the jurisdiction of the Quality Control Engineer 3.3.3 Site laboratory control The Bidder is responsible for field control laboratory The specific work are as follows: • Control the time to re-calibration the testing equipment 8/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION • Control the testing Engineer & Technical • Control the testing procedure based on the testing standard • Control the status of the testing machine 3.3.4 Quality control of material input Checking material resources Fall App Submission of material resources Fall App Taking and testing sample Fall App Putting into use of construction Fall App Taking and testing sample As required 9/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION Quality control of material input sequence 3.3.5 Sampling A material sampling schedule noting time and frequency of testing and sampling of all materials shall be fully detailed in the Quality Control Plan Any material that appears defective or inconsistent with similar material being produced shall be sampled, unless such material is voluntarily removed and replaced or corrected Sampling procedure: • A material sampling schedule shall be informed to the Engineer by Inspection request before 24 hours • Sampling procedure shall be complied with current TCVN standard under the supervision of the Engineer 3.3.6 Transmittal of Test Report The testing laboratory shall furnish three copies of test results The Bidder shall submit to the Engineer 01 copy by official letter within days after finish the test 3.3.7 Inspection and Testing Inspection testing is divided into two categories: (1) job site inspection and testing and (2) off-site inspection and testing 3.3.8 Manufacture's Certification Manufacturer certification will be furnished on items of materials and equipment to the satisfaction of the Engineer All certification shall be originals The original of manufacturers or independent laboratory certifications shall name the appropriate item of equipment and material, specifications, standards or other document specified as controlling the quality of that item and shall have attached thereto certified copies of test reports upon which the certifications are based 3.3.9 Off-site Testing and Inspection Off-site or factory inspection shall be the inspection at the point of manufacture or production of the various products or materials which are shipped to the Sites Appropriate written notice shall be submitted to the Engineer not less than 28 days before off-site inspection services, and shall be provided for the producer, manufacturer, and fabricator to furnish safe access and proper facilities and to cooperate with the inspecting personnel in the performance of their duties 3.3.10 Certified Laboratory Tests Laboratory tests may be certified test made by approved testing agencies on materials and equipment that will be incorporated into the Works under the 10/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION Contract, Certified tests on materials to be incorporated into the structures will be acceptable, provided that they are performed by the manufacture or by approved agencies or laboratories and show the materials conform to the Specifications Quality control list The submission of all quality tests and reports will conform to the Specification 4.1 The main quality norms the Bidder expects to implement 4.1.1 Input material • Geotextile sheet (All types: woven or non-woven) • Soil for embankment (K95) • Sub-grade material (K98) • Sub base and Base aggregate materials • Asphalt treated base course materials • Surface, Binder aggregates material for Asphalt concrete • Antiskid asphalt concrete material • Bitumen for Asphalt concrete • Precast segment of culverts (buy from Factories or pre-cast) • Stone masonry • Mortal • Fine & coarse aggregates for Cement concrete • Cement, Admixture • Reinforcing bar • Water-proofing material • PVC water stop bar • All type of Expansion Joint, Bridge Bearings • Guardrails, Bridge Handrails • Grass 4.1.2 Check the main equipment before construction • Number of each type of equipment 11/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION • Test the quality of bored pile machine • Test the Jack system for Pre-stressing works • Actual Capacity of batching plan, pump, spreader 4.1.3 Survey on the construction site by high- accuracy instruments to supplied: • Dimensions of structures • Elevations, Co-ordinations • Temperatures 4.1.4 Earthwork • Check position, size of excavation pit bottom, talus under the manner of execution approved • Check elevation of excavation pit bottom, plane If satisfied, it is permitted to execute any next work • If the elevation of excavation pit is lower than that as designed, it is required to re-landfill the designed elevation • Check land compaction whether it can satisfy requirements before executing any next work • Check and acceptance before other works are executed then 4.1.5 Embankment • Material check: Testing the material to be filled for embankment such as granular, geomechanical characteristics, maximum dry density • Equipment check: Checking quantity, technical characteristics, working condition of grader, bulldozer, rollers, dump trucks, water tanker • Check of construction lines: Checking the trial construction before application on site • Inspection and acceptance: Checking the thickness, density of layers of embankment Checking elevations and dimensions 4.1.6 Formation of aggregate base course: 12/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION • Material check: Testing base aggregates such as granular, geo-mechanical characteristics, maximum dry density • Equipment check: Checking quantity, technical characteristics, working condition of grader, bulldozer, rollers, dump trucks, water tanker • Check of construction line: Checking the trial construction before application on site • Inspection and acceptance: Checking the thickness, density of layers of base course Checking elevations and dimensions Checking the strength of base course upon the completion 4.1.7 Construction of asphaltic pavement, asphalt treated base and anti skid asphalt concrete: • Material check: Checking the mix design of asphalt concrete such as: crushed stones, sand, filler, bitumen • Equipment check: Checking quantity, technical characteristics, working condition of paver, rollers, dump trucks, bitumen distributor • Check of construction line: Checking the trial construction before application on site • Inspection and acceptance: Checking thickness, density of asphalt concrete Checking elevations and dimensions Checking the strength of asphalt concrete upon the completion 4.1.8 Stone masonry • Material check: Checking quarry stone, broken stones to see whether they meet the requirements in dimensions, strength Checking mortar to see whether this is in accordance with mix design • Checking the setting-out and the outlining the limit of construction 13/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION • Checking operation during performance: Checking the firmness of the masonry Checking the thickness of sealing Checking elevations, dimensions of the masonry • Checking the maintenance of the masonry 4.1.9 Quality Control for Cement Concrete, Reinforcement All class of concrete to be used for structure shall be mix design rational formula and submit to Engineer before construction Mix design works shall be carry out many times, in construction site to have the best rational formula Check the humidity of fine aggregate, coarse aggregate before mixing to adjust the water ratio in mix Check the slump of concrete at batching plan and structure location Take sample and Test according to each works and direct by Engineer Compress Strength Test when the sample have enough time Curing concrete according to the Spec Capacity Transport item/structure concrete equipment have enough requirement of 4.1.10 Grass planting • Materials inspection: Inspection of material sources: grass, covering soil • Inspection of construction Inspection during the construction: harvesting work, preparation and cleanness work, fertilizer and lime powder, planting grass • Inspection after the construction: Inspection and maintenance of the areas which were covered with grass 4.2 List of Testing Equipment for Laboratory The Bidder will mobilize at least the following equipment for laboratory List of Testing Equipment for Laboratory No 1 Item Quantities Soil Testing Compaction Test Standard Proctor mould 14/ 17 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION No Item Quantities Standard Proctor hammer Modified compaction mould Modified compaction hammer Straight edge Sample ejector Mixing spoon Mixing trowel Spatula Mixing pan Aluminium pan 25 cm diameter Wash bottle Moisture cans Laboratory CBR 1 1 1 1 1 36 Mechanical loading press 6000 lbs capacity Proving ring CBR moulds Spacer disk Swell plate Surcharge plate Tripod attachment Swell dial indicator Surcharge weight Slotted surcharge weight Steel cutting edge Specific Gravity 1 3 3 6 Picnometer bottles of 100 cc capacity Porcelain mortar and pestle Hot plate, 1000 watts, 220 volts/50 cycle Atterberg Limits 1 Standard liquid limit device ASTM grooving tool Evaporating dish Flexible spatula 100 cm graduated cylinder Cassagrande grooving tool Plastic limit glass plate Grain Size Analysis 1 2 1 Hydrometer jars Mechanical stirrer, electric powered 220 v/50 cycle Dispersion cups with baffles Hydrometer, scale 0-60 gr Set brass sieves, inches diameter, 75 mm, 50, 38, 25, 19, 12.5, 9.5 No 4, 10, 30, 60, 100 including cover and pan No 200 brass sieves Wet washing sieve 15/ 17 1 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION No 2 2 Item Quantities 50 ml graduated cylinder Sieve brushes for fine sieves Sieve brushes for coarse sieves Field Density Test, Sand Cone Method 2 Sand cone Replacement jug Field density plate Spoon Steel chisel, inch Rubber mallet Sand scoop gallon field cans Moisture Content 1 1 1 ‘Speedy’ moisture tester, 26 grams capacity Cans ‘Speedy’ reagent Bituminous Testing Marshall Asphalt Test Stability compression machine complete with 6000 lbs proving ring, 220 volt/50 cycles Stability compaction moulds Stability compaction hammer Mould holder Stability mould Dial flow indicator Pedestal Waterbath 220v/50 cycle Sample extractor Stainless steel mixing bowls Extraction Test, Centrifuge Method Centrifuge extractor, 1500 gram capacity, 220 v/50 cycle Boxes filter paper rings (100/box) Extractor bowl Bowl cover Bowl nut Extraction Test, Reflux Method Reflux extractor set, 1000 gram capacity Boxes filter paper (50/box) Specific Gravity of Course Aggregates 1 Density Basket Sample Splitter 1” Sample Splitter ½” Specific Gravity of Fine Aggregates 1 Cone 16/ 17 1 1 1 10 1 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV CIVIL WORKS CONTRACT PACKAGE (KM 32+600-KM42+000)- DA NANG – QUANG NGAI SECTION No Item Quantities Tamper Pycnometer Thermometer (Glass), - 150 °C Desiccator Mix Air Voids Content, (Accurate Method) 1 2000 cc Conical Flask with neck large enough to admit 25 mm aggregate, with air-tight ground glass stoppers Vacuum Pump (+ special oil) Rubber tubing Warm air fan Core Drilling Core drill machine, hp, cycle 9” extension shaft 18” strap wrench Diamond bit 4” diameter (resettable) Expanding adapter Metal Thermometer 1 - 100 °C Metal Thermometer - 250 °C Metal Thermometer Accessories and Tools 1 Heavy duty balance complete with set of weight scoop and counterweight Triple beam scale complete with set of weights Generator, 10 kVA Double wall oven, 1600 W, 240 volt/50 cycle Plastic funnels Sodium hexametaphosphate Pair of asbestos gloves Laboratory tongs Concrete Testing Steel cube moulds Slump cone w/rod Concrete thermometer Concrete Cube Breaking Machine Rebar locator Impact hammer 17/ 17 1 1 Kg 2 36 2 PHUONG THANH TRANCONSIN – CIENCO6 – CIENCO8 – THANH PHAT JV ... The Quality Control Manager shall lead, instruct advice and supervise the site staff in all matters relating to quality system / quality control • The Quality Control Manager shall implement, control, ... Construction quality control diagram Bidder's Quality Control Plan 3.1 QC Coordination Meeting Before start of construction, and prior to approval by the Engineer of the Quality Control Plan, the... matters related to quality control / quality procedures He shall be reliable assistance to the Quality Control Manager and perform under QCM's direction and instruction The Quality Control Staff's