• No results found

Quality Assurance and Quality Control (QA/QC)

N/A
N/A
Protected

Academic year: 2022

Share "Quality Assurance and Quality Control (QA/QC) "

Copied!
101
0
0

Loading.... (view fulltext now)

Full text

(1)
(2)
(3)
(4)
(5)
(6)
(7)

Quality Assurance and Quality Control (QA/QC)

Organized by:

Construction Development Board, CDB College of Science and Technology, CST

Karma Tempa

(8)

What, Why and Who?

Quality?

(9)

What we need?

Quality Control Process

(10)

What we need?

Construction Quality Control Process

Quality

Assurance (QA)

Quality

Control (QC)

(11)

Construction Quality Control Process

Quality: A degree or grade of excellence or worth.

Assurance: The act of giving confidence, the state of being certain or the act of making certain.

Quality Assurance: The planned and systematic activities implemented in a quality system so that quality requirements for a product or service will be fulfilled.

Control: An evaluation to indicate needed corrective responses; the act of guiding a process in which variability is attributed.

The observation techniques and activities used to

fulfil requirements for quality.

(12)

Construction Quality Control Process

Quality Control (QC)

Quality Assurance

(QA)

Usually the CONTRACTOR (or a third party) is responsible for performing Quality Control (QC) making sure that the standards are meet for production.

Usually the GOVERNMENT or outside third party is responsible for performing Quality Assurance (QA). QA is spot checking of contract compliance, test results, and ultimately making sure that the quality control process is working.

Who?

(13)

Construction Quality Control Process

Quality Assurance (QA)

A government organizations/clients like BSB, MoWHS or any executing agencies will have very clear guidance on what is required per contract as far as the QA/QC is concerned.

 Policy and Guidelines

 Standards and Specifications

 Rules and Regulations

 Terms and conditions of the contract

(14)

Construction Quality Control Process

(15)

Construction Quality Control Process

(16)

Construction Quality Control Process

(17)

Construction Quality Control Process

(18)

Construction Quality Control Process

Quality Assurance (QA): Responsibility??

Involves REGULAR BUT RANDOM TESTING OF MATERIALS and workmanship (time-based or work-based intervals)

Prevent, identify, and correct quality-related problems

During the construction process, QA instructors

mostly provide guidance and leadership to the

construction people

(19)

Construction Quality Control Process

Quality Control (QC)

 The Construction contract defines the quality standards and the quality control testing requirements.

 The contractor must prepare a detailed quality control plan for each definable feature of work detailing on how the quality standard will be achieved. (Do we apply?)

 The quality control plan must be approved before the start of the particular work.

 The contract requires that the QC testing lab be

validated by the approved source (Institutions,

consultant, competent testing house /firm or

agency..etc).

(20)

Construction Quality Control Process

Quality Control vs. Quality Assurance: What’s the Difference?

Analogy: You Driving on a Freeway

• Quality Assurance-: “Do it right the first time“--Preventive Quality checks.

• Quality Control: Fix it when ever it goes or is going wrong.

• In recent years, QA is defined

to include QC

(21)

Construction Quality Control Process

Quality Control vs. Quality Assurance: What’s the Difference?

Driving Quality Assurance

Before Driving: adjust seats, mirrors, temp, etc.

During Driving:

Occasional glances at:

- speed gage to ensure speed is not excessive - side mirror before changing lane

- road sides to read road signs, etc.

No distractive activities (reading, eating, etc.)

Analogy: You Driving on a Freeway

These are preventive

measures

(22)

Construction Quality Control Process

Quality Control vs. Quality Assurance: What’s the Difference?

Driving Quality Control

Swerving to avoid deer crossing the highway

Steering to right if car is straying into left lane

Braking to avoid hitting slowed car in front

Analogy: You Driving on a Freeway

These are corrective

measures

(23)

Construction Quality Control Process

When?

Contract formulation: Quality Assurance

Specifications for Building and Road Works Project Specific Specifications

Concrete Mix Design (Grade) or Job Mix formula (Usually concrete mix design for RCC structures and JMF for road design).

Construction Phase: Quality Control

Planning and setting of site amenities Construction process

Supervision, inspection and monitoring

Material testing and verification

(24)

Construction Quality Control Process

Where?

Infrastructure development projects 1. Building construction

2. Road construction 3. Bridge construction

Details will be discussed in training session-2

and session 3 .

(25)

Construction Quality Plan

Construction quality plan is that procuring agency want to know how you are going to control the quality on their projects.

So, when you write your plan, make it clear how you will control all areas of the project that affect quality – not just what inspections and tests you’ll perform.

For example, controlling materials, personnel, subcontractors, and work procedures also play an important role in ensuring quality results.

So how you propose quality plan !!

(26)

1. Project personnel

2. Quality Communication

3. Quality assurance surveillance 4. Subcontractors and suppliers.

5. Project quality specifications 6. Inspections and tests.

7. Control of non-conformances 8. Project completion inspections.

Construction Quality Plan

(27)

Construction Quality Plan

(28)

Construction Quality Plan

(29)

Inspection and Test Plans (ITP)

Construction Quality Plan

(30)

Project completion inspections.

Project handing – taking: Committee -Detail measurements

-Check for defects

-Uncompleted works as per the contract -Additional works

-Finishing

-Etc...

(31)

Most common problems observed and what can be done

Problems What can be done

Design, drawings, specifications not clear, not complete

Documents should undergo scrutiny by equally

competent persons (human errors are natural)

No drawings at site Always carry drawings, you cannot remember

everything Site engineers do

not read the documents

• Read, read & read to understand what you are supposed to do

• Ask the seniors, architects, designers if you do not

understand

(32)

Problems What can be done No site

engineer at site

• Contractor is responsible for day to day supervision

• Make it mandatory in the contract document to post a qualified site engineer

• Government engineers check on contractor’s engineer and monitor

important quality aspects

Most common problems observed

and what can be done

(33)

Problems What can be done Even physical

parameters of works and materials not checked

Checking of size, shape,

slope, length, breath, depth, weight, volume, diameter,

etc..etc.. is possible….please do it !!!

Everything is not possible to be detailed in the documents

Make best use of the engineering knowledge.

Above all, use common sense to solve practical problems

Most common problems observed

and what can be done

(34)

Problems What can be done Poorly or no

records maintained

Records are important for many reasons, for

accountability, for future

reference, for improvement, keep proper records

Inadequate

communication

with the contractor

Conduct regular meetings to review progress, to resolve problems, to understand each other better

Most common problems observed

and what can be done

(35)

Problems What can be done Poor or no management

at the work site (safety for the workers & general public)

• Site management is equally important for safety & public

convenience

• Need little extra efforts to guide the contractor’s site engineers & workers on storage of materials, equipment, tools &

cleaning up of site after a day’s work

Most common problems observed

and what can be done

(36)

Why Quality?

Safety

Utility Economy

Comfort Aesthetic

(37)

The Root of all Evils

(38)

QUALITY ???

WHO’S RESPONSIBILITY

Indication of:

Overall Structural Failure

(39)

QUALITY ???

WHO’S RESPONSIBILITY

(40)

QUALITY ???

WHO’S RESPONSIBILITY

Indication of:

Bonding failure

Application of inappropriate cement motor ratios

Improper placement of masonry course

Weak connections

(41)

QUALITY ???

WHO’S RESPONSIBILITY

Indication of:

•Bonding failure

•Application of inappropriate cement motor ratios

•Wrong placement of masonry course

•Weak connections

(42)

QUALITY ???

WHO’S RESPONSIBILITY

Indication of:

•Bonding failure

•Application of inappropriate cement motor ratios

•Mistake in placement of masonry course

(43)

QUALITY ???

WHO’S RESPONSIBILITY

(44)
(45)
(46)
(47)
(48)
(49)

Important Notes on Construction Quality

• Quality is not separate from construction; it is an integral part

• Quality is not only on the end product after completion; it is in the process during construction

• Ensuring quality is everyone’s responsibility; the surveyor, designer, suppliers and supervisors,

• BUT IT IS MOSTLY IN THE HANDS OF THE

BUILDER/CONTRACTOR

(50)

End of Session-01

Thank you

(51)

http://www.iaeme.com/IJMET/index.asp 108 editor@iaeme.com International Journal of Mechanical Engineering and Technology (IJMET)

Volume 8, Issue 3, March 2017, pp. 108–113 Article ID: IJMET_08_03_012

Available online at http://www.iaeme.com/IJMET/issues.asp?JType=IJMET&VType=8&IType=3 ISSN Print: 0976-6340 and ISSN Online: 0976-6359

© IAEME Publication Scopus Indexed

QUALITY CONTROL AND SAFETY DURING CONSTRUCTION

Amani, M Al Hadidi

Faculty of Engineering, Hashemite University,

Zarqa, Jordan

ABSTRACT

The concept of Quality control has arisen to ensure that customer demands, and a level of quality and conformance are achieved. Quality Assurance is provided through the implementation of systemic management techniques ensuring control of the activities carried out by each party. This research provides a review of the topic of Quality control. In particular it looks at the meaning of quality control and the needs for its introduction into the construction industry.

Current quality standards in the construction industry and the alternative quality systems, including the British Property Federation system, the Construction Industry Development Association's Code of Practice, and the Building and Construction Council's Quality Assessment Scheme are discussed. The quality control and safety during construction are highlighted.

Key words: Quality Assurance, Quality control, safety construction, Quality

Assessment.

Cite this Article: Amani, M Al Hadidi, Quality Control and Safety During

Construction. International Journal of Mechanical Engineering and Technology, 8(3), 2017, pp. 108–113.

http://www.iaeme.com/IJMET/issues.asp?JType=IJMET&VType=8&IType=3 1. INTRODUCTION

Quality control and safety represent increasingly important concerns for project managers.

Defects or failures in constructed facilities can result in very large costs. Even with minor defects, re-construction may be required and facility operations impaired. Increased costs and delays are the result. In the worst case, failures may cause personal injuries or fatalities.

Accidents during the construction process can similarly result in personal injuries and large costs. Indirect costs of insurance, inspection and regulation are increasing rapidly due to these increased direct costs. Good project managers try to ensure that the job is done right the first time and that no major accidents occur on the project.

As with cost control, the most important decisions regarding the quality of a completed

facility are made during the design and planning stages rather than during construction. It is

during these preliminary stages that component configurations, material specifications and

functional performance are decided. Quality control during construction consists largely of

insuring conformance to this original design and planning decisions.

(52)

Amani, M Al Hadidi

http://www.iaeme.com/IJMET/index.asp 109 editor@iaeme.com

While conformance to existing design decisions is the primary focus of quality control, there are exceptions to this rule. First, unforeseen circumstances, incorrect design decisions or changes desired by an owner in the facility function may require re-evaluation of design decisions during the course of construction. While these changes may be motivated by the concern for quality, they represent occasions for re-design with all the attendant objectives and constraints. As a second case, some designs rely upon informed and appropriate decision making during the construction process itself. For example, some tunneling methods make decisions about the amount of shoring required at different locations based upon observation of soil conditions during the tunneling process. Since such decisions are based on better information concerning actual site conditions, the facility design may be more cost effective as a result.

With the attention to conformance as the measure of quality during the construction process, the specification of quality requirements in the design and contract documentation becomes extremely important. Quality requirements should be clear and verifiable, so that all parties in the project can understand the requirements for conformance. Much of the discussion in this chapter relates to the development and the implications of different quality requirements for construction as well as the issues associated with insuring conformance.

Quality Assurance

“Quality Assurance” is a term that often is not fully understood. Indeed the concept of quality assurance often gets confused with quality control and quality inspection.

The American Society for Quality™ (ASQ) is regarded as one of the world’s leading authorities on quality the ASQ defines assurance and quality as follows:

Assurance: The act of giving confidence, the state of being certain or the act of making

certain.

Quality Assurance: The planned and systematic activities implemented in a quality system

so that quality requirements for a product or service will be fulfilled.

Control: An evaluation to indicate needed corrective responses; the act of guiding a process

in which variability is attributable to a constant system of chance causes.

Quality Control: The observation techniques and activities used to fulfill requirements for

quality.

2. SAFETY DURING THE CONSTRUCTION

Safety during the construction project is also influenced in large part by decisions made during the planning and design process. Some designs or construction plans are inherently difficult and dangerous to implement, whereas other, comparable plans may considerably reduce the possibility of accidents. For example, clear separation of traffic from construction zones during roadway rehabilitation can greatly reduce the possibility of accidental collisions.

Beyond these design decisions, safety largely depends upon education, vigilance and cooperation during the construction process. Workers should be constantly alert to the possibilities of accidents and avoid taken unnecessary risks.

3. ORGANIZING FOR QUALITY AND SAFETY

A variety of different organizations are possible for quality and safety control during

construction. One common model is to have a group responsible for quality assurance and

another group primarily responsible for safety within an organization. In large organizations,

departments dedicated to quality assurance and to safety might assign specific individuals to

assume responsibility for these functions on particular projects. For smaller projects, the

project manager or an assistant might assume these and other responsibilities. In either case,

(53)

Quality Control and Safety During Construction

http://www.iaeme.com/IJMET/index.asp 110 editor@iaeme.com

insuring safe and quality construction is a concern of the project manager in overall charge of the project in addition to the concerns of personnel, cost, time and other management issues.

Inspectors and quality assurance personnel will be involved in a project to represent a variety of different organizations. Each of the parties directly concerned with the project may have their own quality and safety inspectors, including the owner, the engineer/architect, and the various constructor firms. These inspectors may be contractors from specialized quality assurance organizations. In addition to on-site inspections, samples of materials will commonly be tested by specialized laboratories to insure compliance. Inspectors to insure compliance with regulatory requirements will also be involved. Common examples are inspectors for the local government's building department, for environmental agencies, and for occupational health and safety agencies.

4. QUALITY STANDARDS IN THE CONSTRUCTION INDUSTRY

The international standard series IS0 9OOO covers quality assurance and has been adopted by many countries, including Australia, and published as national standards. In Australia they are theAS3900series, Quality Systems. Because they are of general application, an attempt to provide specific guidance for building and construction was made in Australia by creating AS 2990 -1987 Quality Systems for Construction and Engineering Projects. This standard

has

been applied by larger companies in mainly government contracts, but is to be phased out in 1995. A new standard AS3905.2-1993 is to provide guidelines toAS3901, AS 3902 and AS 3903 for construction AS2990 - 1987. This particular quality system has been adopted from a Canadian series of standards (CSA 2299) primarily dealing with manufacturing and the electricity generating industries. The standard’s theme is to encourage contractors to produce quality manuals that clearly define their philosophies and policies towards quality, and how they intend to implement such a policy. One advantageous feature of this system is that it enabled those concerned with the project to choose hom three categories of quality systems thereby giving more flexibility in the use of the standard. Each category identifies the risks involved in the project, the accessibility to Quality Assurance resources and the contractors’

capacity to deliver Quality Assurance. The categories in order of complexity are as follows:

Category A

High commercial hazard risks good access to Quality Assurance resources high capacity of Contractors to deliver Quality Assurance

Category B

Good access to Quality Assurance resources high capacity of contractors to deliver Quality Assurance

Category C

Low commercial hazard risks reasonable access to Quality Assurance resources reasonable capacity of contractors to deliver Quality Assurance As no two commerce projects are the same, this system helps the project team by enabling them to choose the category best suited to their projects’ aims and objectives. Once the appropriate category has been chosen for the project, then the exact Quality System to be incorporated will be known. It is here that the

“adopted standard presents its first problem. As the system has been from Canada, there is no grounding for its development in Australia and consequently no input into its requirements.

The danger of adopting other people’s quality documents is obvious [191. Added to this, the

standard is predominantly one for the manufacturing and electricity generating industries

which creates the following problems for AS 2990 - 1987: it requires much technical input

which therefore makes the system an expensive one to implement and run. due to its origins

in Canada and the fact that it was developed for a manufacturing type industry, the

(54)

Amani, M Al Hadidi

http://www.iaeme.com/IJMET/index.asp 111 editor@iaeme.com

terminology used does not always suit that required in the building industry, nor in the Australian context. There is no allowance in the system for varying levels of quality of the project; this is often the case in the construction industry, unlike the manufacturing industry on which this standard is based. The system includes an assumption that the manufacturer of the product is also the designer. This is very rare in the construction industry

5. WORK AND MATERIAL SPECIFICATIONS

Specifications of work quality are an important feature of facility designs. Specifications of required quality and components represent part of the necessary documentation to describe a facility. Typically, this documentation includes any special provisions of the facility design as well as references to generally accepted specifications to be used during construction.

General specifications of work quality are available in numerous fields and are issued in publications of organizations such as the American Society for Testing and Materials (ASTM), the American National Standards Institute (ANSI), or the Construction Specifications Institute (CSI). Distinct specifications are formalized for particular types of construction activities, such as welding standards issued by the American Welding Society, or for particular facility types, such as the

Standard Specifications for Highway Bridges issued

by the American Association of State Highway and Transportation Officials. These general specifications must be modified to reflect local conditions, policies, available materials, local regulations and other special circumstances

6. TOTAL QUALITY CONTROL

Quality control in construction typically involves insuring compliance with minimum standards of material and workmanship in order to insure the performance of the facility according to the design. These minimum standards are contained in the specifications described in the previous section. For the purpose of insuring compliance, random samples and statistical methods are commonly used as the basis for accepting or rejecting work completed and batches of materials. Rejection of a batch is based on non-conformance or violation of the relevant design specifications. Procedures for this quality control practice are described in the following sections.

An implicit assumption in these traditional quality control practices is the notion of an

acceptable quality level which is a allowable fraction of defective items. Materials obtained

from suppliers or work performed by an organization is inspected and passed as acceptable if the estimated defective percentage is within the acceptable quality level. Problems with materials or goods are corrected after delivery of the product.

In contrast to this traditional approach of quality control is the goal of

total quality control. In this system, no defective items are allowed anywhere in the construction process.

While the zero defects goal can never be permanently obtained, it provides a goal so that an organization is never satisfied with its quality control program even if defects are reduced by substantial amounts year after year. This concept and approach to quality control was first developed in manufacturing firms in Japan and Europe, but has since spread to many construction companies. The best known formal certification for quality improvement is the International Organization for Standardization's ISO 9000 standard. ISO 9000 emphasizes good documentation, quality goals and a series of cycles of planning, implementation and review.

7. CONCLUSION

The process of construction is becoming more quality orientated. There is a greater interest in

obtaining better value for money. In order to successfully implement a quality management

(55)

Quality Control and Safety During Construction

http://www.iaeme.com/IJMET/index.asp 112 editor@iaeme.com

program there must be a total commitment by top management to improve company performance. This includes both establishing a company structure and operating procedures which fit the company objectives. A QA system does not promise to solve all problems on a construction site. It does, however, ensure that, if conducted properly, the chances of committing mistakes are greatly reduced. Similarly as a consequence of the additional documentation and planning, potential problems have a better chance of being recognized prior to their occurrence. Quality Assurance systems should commence at the brief and design stages of a project, and continue throughout the construction until completion. Quality Assurance will only work effectively if all parties involved, client, designer, contract administrator, contractor and subcontractors, are convinced that Quality Assurance is good for their own business.

Safety during the construction project is also influenced in large part by decisions made during the planning and design process, safety largely depends upon education, vigilance and cooperation during the construction process. Workers should be constantly alert to the possibilities of accidents and avoid taken unnecessary risks.

REFERENCES

[1] Quality Control and Safety During construction.

http://pmbook.ce.cmu.edu/13_Quality_Control_and_Safety_During_Construction.html [2] Ang, A.H.S. and W.H. Tang, Probability Concepts in Engineering Planning and Design:

Volume I - Basic Principles, John Wiley and Sons, Inc., New York, 1975.

[3] Au, T., R.M. Shane, and L.A. Hoel, Fundamentals of Systems Engineering: Probabilistic Models, Addison-Wesley Publishing Co., Reading MA, 1972

[4] Bowker, A.H. and Liebermann, G. J., Engineering Statistics, Prentice-Hall, 1972.

[5] Fox, A.J. and Cornell, H.A., (eds), Quality in the Constructed Project, American Society of Civil Engineers, New York, 1984.

[6] International Organization for Standardization, "Sampling Procedures and Charts for Inspection by Variables for Percent Defective, ISO 3951-1981 (E)", Statistical Methods, ISO Standard Handbook 3, International Organization for Standardization, Paris, France, 1981.

[7] Skibniewski, M. and Hendrickson, C., Methods to Improve the Safety Performance of the U.S. Construction Industry, Technical Report, Department of Civil Engineering, Carnegie Mellon University, 1983.

[8] United States Department of Defense, Sampling Procedures and Tables for Inspection by Variables, (Military Standard 414), Washington D.C.: U.S. Government Printing Office, 1957.

[9] United States Department of Defense, Sampling Procedures and Tables for Inspection by Attributes, (Military Standard 105D), Washington D.C.: U.S. Government Printing Office, 1963.

[10] what is quality assurance http://www.buildingprofessionals.com/quality-assurance/what- is-quality-assurance-2

[11] Quality Assurance in the Construction Industry Albert P.C. Chan a School of Building and Planning, University of South Australia , North Terrace, Adelaide, SA, 5000, Australia [12] Wocdhead, W.D. & Syafraniec, A. (1993) Quality assurance – beyond theory into

practice, Australian Institute of Building Bulletin No. 1,Canberra [13] StandardsAustraliaAS3900,3901,3902,3903,390(41 987),Standards

(56)

Amani, M Al Hadidi

http://www.iaeme.com/IJMET/index.asp 113 editor@iaeme.com [14] Standards Australia AS 2990 (1987), Standards Australia, Sydney

[15] Bant Singh and Dr. Srijit Biswas, Effect of E-Quality Control on Tolerance Limits in WMM & DBM in Highway Construction - A Case Study. International Journal of Advanced Research in Engineering and Technology (IJARET). 4(2), 2013, pp. 33–45 [16] Amani, M Al Hadidi. Assessment and Quality Assurance. International Journal of Civil

Engineering and Technology, 8(1), 2017, pp. 199–202.

(57)

National Conference on Research Advances in Communication, Computation, Electrical Science and Structures (NCRACCESS-2015)

ISSN: 2348 – 8352 www.internationaljournalssrg.org

Page 29

Quality Control and Quality Assurance In Building Construction

R.Lakshmi

Construction Engineering and Management Tsm Jain College of Technology

ABSTRACT

The purpose of this thesis is to evaluate the use of Quality Function Deployment (QFD) as a management tool to benefit project managers. The United States building construction of Engineers is one of the largest construction management organizations in the world, annually performing over 3.5 billion dollars worth of work. The project manager has primary responsibility within the construction, to ensure the design both fulfils user's requirements and is prepared correctly, and that quality control/assurance procedures are correctly administered. QFD was developed and to improve quality and lower costs in industrial and business related fields, by assuring all of building construction operational decisions are driven by owner needs. It uses a set of matrices to relate owner wants and needs with project specifications and requirements.QFD assists project managers to clearly identify and prioritize owner and labour requirements in development of the conceptual and final design. It is best suited to projects involving repetition of units or when higher-than-average quality is demanded. Managers are able to make better informed decisions made during the delivery process, resulting in a better owner satisfaction. To testing of required building construction materials and to determine the quality and quantity of our required area of the building construction The CQAP details the systems and controls that GE has put in place so that the quality of the project will meet the requirements specified in the report. GE provides definition and overall management of the quality approach to be followed by its contractors and consultants. The quality of the RA implementation will be ensured through an integrated system of quality assurance performed by the Construction Manager and quality control provided by the contractors. GE's Construction Manager is responsible for the day-to-day Coordination of quality assurance and quality control measures in the field.

INTRODUCTION GENERAL

The Construction industry of India is an important indicator of the development as it creates investment opportunities across various related sectors. The construction industry has contributed an estimated 6708 billion to the national GDP in 2011-12 (a share of around 8%). The industry is fragmented, with a handful of major companies involved in the construction activities across all segments; medium sized companies specializing in niche activities; and small and medium contractors who work on the subcontractor basis and carry out the work in the field. In 2011, there were slightly over

500 construction equipment manufacturing companies in all of India. The sector is labor-intensive and, including indirect jobs, provides employment to more than 35 million people.

1.2 CONSTRUCTION INDUSTRY AND QA&QC Construction Industry plays a major role in the economic growth of a nation and occupies a pivotal position in the nation’s development plans. India’s construction industry employs a work force of nearly 32 million and its market size is worth about Rs. 2, 48,000 crores. It is the second largest contributor to the GDP after the agricultural sector. Construction sector is viewed as a service industry. It generates substantial employment and provides growth impetus to other manufacturing sectors like cement, bitumen, iron and steel, chemicals, bricks, paints, tiles etc. whose combined value is Rs.1, 92,000 crores annually. The construction equipment market is valued at Rs.1,05,000 crores. The Project owner, construction companies, consultants, bankers and financial institutions, vendors & suppliers and even the service providers, each has his own fears of following QCAO in the conduct of business. The magnitude of the quality is indeterminate at times. What needs to be determined is:

a. The proportion of real versus perceived quality and approval. This document is being submitted and to satisfy that requirement of quality.

b. The real import and the importance of quality control and assurance in small building construction.

1.2.1 QUALITY CONTROL

Monitoring specific project result to determine if they comply with relevant quality standards and identifying ways to eliminate cause of unsatisfy performance Contract documents comprise a clear, complete, and accurate description of the facility to be constructed, correctly conveying the intent of the owner regarding the characteristics of the facility needed to serve his or her purposes. The contract documents define a constructed facility considered acceptable under the applicable regulatory codes and standards of professional practice, in terms of its reliability, the ease with which maintenance and repairs can be performed, the durability of its materials and operating systems, and the life safety provided to its users.

The facility is constructed in accordance with those documents.

1. INPUTS

Work results, quality management plan, Operational definitions, checklists

(58)

National Conference on Research Advances in Communication, Computation, Electrical Science and Structures (NCRACCESS-2015)

ISSN: 2348 – 8352 www.internationaljournalssrg.org

Page 30 2- TOOLS AND TECH.

Inspection, Control charts, Pareto diagrams, Statistical sampling, flowcharting,

Trend analysis

3- OUTPUTS

Quality improvement, Acceptance decisions, rework, Completed checklist

Process adjustment

1.2.3 QUALITY ASSURANCE

Evaluating overall project perform on a regular basis to provide confidence that the project will satisfy the relevant quality standards

1. INPUTS

Quality management plan, Result of quality control measurements, Operational definitions

2. TOOLS AND TECH.

Quality planning tools and techniques, Quality audits

3. OUTPUTS

Quality improvement

1.3 PROJECT SETTING

The location of the site is at arkkavadi in villupuram district and it is having surrounding facility.

Land mark of site such as west side of that building having big sugar mill at Moongilduraipattu, and east side of that building having Sri Ranganathar Temple at Thiruvarangam.

1.4 CQAP ORGANIZATION

This CQAP is organized into eleven sections.

i. Section 1 - Introduction: describes the project setting, the contracts and related RAWPs, and the CQAP quality program overview.

ii. Section 2 - Project QC/QA Organization: presents the organizations and key personnel involved in the construction of the RA, their responsibilities and authorities, the structure of the QC/QA organization and the minimum training and experience of the Construction Quality Assurance Officer (CQAO) and personnel.

iii. Section 3 - Submittals: presents the procedures for processing submittals from contractors and vendors.

iv. Section 4 - Performance Monitoring Requirements: addresses QC/QA for performance monitoring requirements applicable to FSWC and PEI.

v. Section 5 - Inspection and Verification Activities:

provides procedures for tracking construction inspection and verification activities for the contract,

construction acceptance criteria, and construction audits.

vi. Section 6 - Construction Deficiencies: describes the procedures for tracking construction deficiencies from identification through acceptable corrective action.

vii. Section 7 - Documentation: describes the procedures for the project documents that will be managed through a combination of a secure document filing and storage system and computerized Document Tracking System.

viii. Section 8 - EPA Approvals: describes EPA approvals applicable to the FSWC and PEI QC/QA.

ix. Section 9 - Field Changes: describes handling of quality plan changes to assure QC/QA objectives are met.

x. Section 10 - Final Reporting: describes the QC/QA documentation for FSWC and PEI to be submitted to EPA in the Construction Completion Report.

xi. Section 11 - References: provides bibliographic references to key documents referred to in the body of the plan.

1.5 BACKGROUND AND PROBLEM

FORMULATION

The construction sector in Sweden has for some time suffered from poor performance and a lack of control in various steps of the process. Due to the sector’s problems with numerous faults and the increased costs for buildings, the Swedish government initiated the Building Commission, whose assignment was to focus on where the problems were and how to increase the effectiveness instead of the costs.

They found, amongst other things, problems with cost and faults related to the construction. Risks and other uncertainties can cause losses that lead to increased costs, time delays and lack of quality during the progression of the projects and at their end. Quality and uncertainties appear in various shapes. In projects the objectives are most often related to time, cost, quality and function and client satisfaction. In organizations, depending on the risk management focus, different relations between the objectives and the definition of quality exist. The quality definition is therefore highly dependent on the choice of applied management focus in the organization. In the construction industry the management focus on site is closest related describe as project quality management and safety quality management. At other levels, apart from the project site, the focus is somewhat different. Quality management is generally a part of other management systems such as risk, environmental or work environmental management systems. Some core values are common in many environmental management systems viz. the commitment of all employees, customer focus, management commitment, focus on process, continuous improvement

(59)

National Conference on Research Advances in Communication, Computation, Electrical Science and Structures (NCRACCESS-2015)

ISSN: 2348 – 8352 www.internationaljournalssrg.org

Page 31 and fact-based decisions. These core values are closely

connected and could easily be found in the theoretical framework of quality management. The current focus on quality management should be regarded as a complement and a development of the already implemented management systems used by companies. Either way, quality management is a crucial part of the total project management system regardless of the focus on time, quality, environment or work environment.

LITERATURE REVIEW

2.1 GENERAL

Literature pertaining to similar studies conducted all over the world is collected from various sources to determine the feasibility and scope of the work. Similar studies undertaken are as follows:

2.2 SUMMARY OF LITERATURE REVIEW

1. To determine the quality of building materials like soil, stone, brick, sand, cement, sand, aggregate, concrete, steel etc.

2. To determine the Soil Classification, Grain- Size Distribution, Moisture Content, Compaction characteristics, physical and chemical requirements for cement.

3. To determine the Sieve analysis, organic impurities, soundness, abrasion, deleterious materials, finer, alkali reactivity for stone aggregate.

4. Water-cement ratio, slump test, compressive test for concrete.

5. To determine tensile strength of steel and compressive strength of brick.

2.3 LITERATURES REVIEWED

Parsons has studied “construction quality control/quality assurance plan” in that Materials qualification testing will be done prior to construction to verify that the materials comply with requirements of the specifications. The contractor will obtain representative samples of the materials designated as the proposed source of the materials. Test samples will be sent by the contractor to the Testing Laboratory. The Testing Laboratory will report all test results for determination of material meeting the acceptance criteria. For soils, sampling and analysis will be performed by the contractor on the onsite borrow material source. The CQAO or designee will periodically inspect material being used. If determined that the characteristics of the material being used differ from the material initially tested, the CQAO designees will direct the contractor to repeat the qualification testing. If the new material qualification test results meet the criteria of the

technical specification as determined by the Engineer of Record, the new materials may be used for the work;

otherwise, previously approved materials must be used or other acceptable materials must be sampled and tested as noted above prior to incorporating into the work.

M. Dudek-Burlikowska*, D. Szewieczek “ Quality estimation methods used in product life cycle” in that In Polish companies, quality of products is a result of many connected processes. Those processes are depended on the factors forming quality products requirements. At present time the organizations put “prevention strategy“

which replaced “detecting strategy“. This approach has influence on optimisation of production process and reduction of costs and spoilage. According to Quality Management System and Quality Control organization should use quality methods in the whole product life cycle.

Such activities make it possible to apply the proposed model in continuous quality improvement.

Dr.Ibtisam M. A. Al.Hamidi & Manaf A.

Mohammed “quality control of cost estimation process in construction organizations” in that Quality has been emerged in the 1980s as the top strategic issue in industry.

Statistical process control (SPC) is an important element of total quality management (TQM).Though SPC techniques were originally developed for manufacturing; they have been successfully applied to certain administrative and service functions. The objective of this research is to demonstrate the applicability of SPC techniques for quality control and improvement in engineering organizations involved in construction (implementing projects). One of the most important processes to be controlled in construction projects (cost estimation process) has been focused on. The technique of controlling such a process has been defined depending on reviewing the subject in the previous studies. Adopting individual measurement charts is reached as the technique used to control this process statistically. Practical data, represented as a list of projects implemented in 2002 by the State Company for Transportation Projects together with their estimated and actual costs, have been obtained and considered for this purpose (through applying individual measurement charts as a suitable technique for controlling processes statistically) showing the applicability of SPC techniques in engineering construction organizations which undertake projects along long period of time. The conclusions reached from this research are: The application of SPC in Iraqi construction engineering organizations is extremely disregarded. Change in culture of the organization is required before SPC technique can be effectively used. Management commitment and training are very important in bringing about the cultural change. Control chart technique can be used not only in industry but also in engineering organizations. This study has been dedicated to apply this technique in a construction engineering organization (on the

(60)

National Conference on Research Advances in Communication, Computation, Electrical Science and Structures (NCRACCESS-2015)

ISSN: 2348 – 8352 www.internationaljournalssrg.org

Page 32 organization level); it has been found that this technique is a

very efficient tool to separate special causes from common causes of variance. It is possible to include further quality measures like cost and schedule measures beside the traditional ones (defect measures) to control quality in engineering organizations. Five projects (from 24) undertaken by SCTP have been discovered out of the control limits, which are approximately ±6.5 percent. The engineers in charge of those projects are advised to take action, and the management to make improvements to the estimation system, considering that as a policy, by reducing the limits to ±5.0 percent to eliminate or reduce the effect of the common causes. It is recommended to adopt SPC in all engineering, design and construction companies in Iraq to control and improve their processes.

glizelle langerman “the application of quality assurance in system implementation projects” Most system implementation projects fail because they do not realise their original purpose and consequently do not meet the requirements of users and organisations. Most often the reason for this is quality assurance not being implemented by the project team as well as non-adherence to quality standard guidelines. This research study therefore aims to determine how organisations apply quality standards during the implementation of quality assurance in their system implementation projects. A further aim is to determine what types of problems are experienced in the application of quality assurance by organisations that have implemented quality assurance in their system implementation projects.

The literature review conducted focuses on what quality is, as well as the type of quality control standards and project management methodologies that are available. A review of the reasons for unsuccessful system implementation projects and quality initiatives also provides background on where organisations are going wrong. A qualitative research methodology, with multiple case studies, is applied in this research study. The results indicate that the organisations that participated in this research study did apply quality assurance methodologies during their system implementation projects. However, weaknesses existed that, if improved, could enhance the successful implementation of systems, the quality of the systems implemented, and the time frame in which systems are implemented. Based on the findings of the research study, the researcher has developed a quality assurance model that can be used during system implementation/development projects. This model is divided into the various system development life cycle phases, such as the planning phase, design phase, development phase, etc, indicating the quality assurance activities and deliverables required during each of these phases. This approach makes the model unique in the sense that some or all of these phases can be adopted to any company’s system development life cycle methodology to assist in identifying the activities and deliverables required

for successful implementation/development of projects. The results from the research have indicated that weaknesses do exist within system implementation projects when looking at the QA activities performed to assist with the success of the project. Through the literature review conducted, it has been found that even though guidance for QA activities exists in the form of models, frameworks and standards, these are not specific enough to assist an organisation in identifying the specific QA activities needed during each phase of an SDLC.

Furthermore, the results that have been obtained from the case study indicate that the company whose business information system was implemented at the various organisations surveyed, does apply QA activities during their normal implementation projects. They also have not yet had an unsuccessful implementation, although a lot of rework had to be done. This might not be the case for other organisations that have not yet adopted QA activities in their implementation strategies. Finally, it is hoped that if a QA model (as suggested in Figure 6-1) can be implemented successfully, it will assist organisations in their system implementation projects and ensure that systems are implemented according to specifications, within budget and on time.

Adenuga, Olumide Afolarin has studied

“Factors Affecting Quality in the Delivery of Public Housing Projects in Lagos State, Nigeria” in that the research work delves into the origin of public housing in Lagos, Nigeria and its development over the years. It identifies the challenges of public housing but focuses on appraising the quality assurance practices in the construction industry. The objectives are to examine the factors that hinder effective quality assurance practices; and to ascertain who should be largely responsible for ensuring/enforcing effective quality assurance practices in public housing projects. In achieving the objectives, a field survey involving a sample size of 73 respondents, mainly the professionals in the built environment working directly with Lagos State and those managing the housing projects awarded to different contractors using structured questionnaires. The study reveals that the aims and objectives of quality assurance are easily compromised and frequently lost since it relies heavily upon the individual contributions to implementation from each designer, contractor, supplier and sub-contractor. The study concludes that all have major roles to play in ensuring quality work in public housing projects; enforcement of quality standards by government agencies, setting up of quality assurance department in construction firms and enforcing statutory requirements as well as providing trainings and seminars on quality standard. Severe penalty for non compliance to quality standards be put in place by government and professional bodies. Clients must demand proof of contractors’ credentials for quality assurance capability

(61)

National Conference on Research Advances in Communication, Computation, Electrical Science and Structures (NCRACCESS-2015)

ISSN: 2348 – 8352 www.internationaljournalssrg.org

Page 33 before compiling their tender lists, and professionals on the

project must try to work together in attaining desired quality.

dottorato di ricerca, akram ahmed elkhalifa

“the construction and building materials industries for sustainable development in developing countries” The construction industry (CI) in developing countries (DCs) faces multitude challenges Confronting its improved performance and development. Similar to many developing countries, the Sudan faces severe problems in its construction sector which should be seriously addressed and eliminated. Problems related to building materials (BMs) production, supply and management tend to dominate the list of impediments to the development of the Sudanese Construction Industry (SCI). The main objective of this study is to conduct a comprehensive and elaborate review and analysis of the construction and building materials industries in the Sudan focusing on locally produced building materials and building technologies employed in the provision of housing. The research aimed to delineate the significance of the construction industry in the socioeconomic development in the Sudan and to assess the potentials of the country in self sufficiency of key building materials. It reviewed the status quo of the Sudanese Construction Industry (SCI) and the Sudanese Building Materials Industry (SBMI) by investigating the role of construction in the socio-economic development of the country. The study examined the causality relationship between construction and the economy as a whole and its subsectors employing statistical tests, namely the Granger causality test. Data pertaining to the performance of the Sudanese economy during 1982-2009 were employed for the analysis. The study explored the possibility of producing BMs locally in terms of raw materials availability and distribution.

The underlying research demonstrated the role that innovation and technology transfer (TT) could possibly play in the adoption of appropriate materials and technologies. It examined the role of globalization, innovation and technology transfer in the development of the CI in the Sudan and the extent of its effectiveness. Case studies were helpful in understanding the mechanisms through which innovative and appropriate technologies are transferred. These case studies covered projects - involving transfer of technology - developed by; research institutes, governmental authorities, national and international NGOs, private sector companies and individual practitioners. The study attempted to evaluate the application of appropriate building materials and technologies for housing in the Sudan by reviewing research efforts in the field and highlighting the potential role that technology transfer could play. A comparative analysis, based on cost effectiveness and environmental impact, was performed to assess the appropriateness of selected building materials and

technologies applied or recently introduced in the Sudan.

Based on available literature, a generic model was proposed for the categorization of problems facing the SCI. The underlying research scrutinized the challenges facing the SCI and the SBMI and the factors affecting the utilization of local building materials (LBMs). It measured the relative importance of the factors influencing the development of the construction and building materials industries in the country. Ranking these factors forms a reference for the formulation of strategies and policies for the development of the CI to take its due place in the socioeconomic development of the nation. Moreover, the research indicated the interrelationship between these factors, whereby scenarios could be developed for the improvement of the construction sector performance. The study also examined the importance of the factors affecting successful transference of technology for the adoption of appropriate building materials and technologies. A questionnaire was constructed and circulated to different stakeholders of the SCI for the purpose of collecting primary data about the impediments to the development of the SCI and the SBMI.

The research proposed a causality model to demonstrate how the successfulness of technology transfer is influenced by the level of awareness of the benefits associated with technology transfer. The subject study provided a set of recommendations for the purpose of attaining sustained development in the construction and building materials industries in the Sudan. Most of these recommendations are expected to be handled by the government and the professional intuitions jointly with other stakeholders of the SCI. The study also identified areas where further research is required.

N.C.D.C “Human Resource and Skill Requirements in the Construction Materials and Building Hardware Sector” Construction investment accounts for nearly 52.4% of the Gross Fixed Capital Formation. Investments in construction have a positive domino effect on supplier industries, thereby contributing immensely to economic development.. Construction materials and equipment sector accounts for approximately 8.6% of India’s GDP1 and accounts for nearly two-third of the total construction costs on an average. The share of construction materials in project costs ranges from 40-60%

and the corresponding cost for construction equipment ranges from 5 to 25%. Construction component comprises nearly 60-80% of project cost of infrastructure projects like roads, housing etc. In projects like power plants, industrial plants, etc. the share, though lower, is critical. Construction materials and equipment sector comprises of various sub- industries such as:

1. Cement 2. Steel 3.Construction equipment 4. Paints & Chemicals

5. Petroleum products and resins 6. Fixtures and fittings (including electrical wiring) 7. Aggregates such as

References

Related documents

The study showed that alcohol dependents had poor quality of life before treatment and abstinence and regular follow up gave marked improvement.. Keywords: Alcohol dependence,

Note: data of 2 Private (New), 5 Private (Old), 3 PSU (Large) and 17 PSU (Medium) banks excluded from the analysis because of data consistency issues or data unavailability;

(i) To safeguard against a bidder’s withdrawing or  altering its bid during the bid validity period in the  case of advertised  or  limited  tender  enquiry, 

Total quality control becomes a management philosophy, pervades the entire organization, and sets the direction for providing perfect quality goods and services

It is the goal of this plan to provide a mechanism and process to identify opportunities to improve care and services by measuring, assessing, and improving care

Annual Quality Assurance Report – (AQAR) is a yearly report, which should be submitted to NAAC every year by all Accredited Institutions as per the format prescribed. The AQAR

Hatice Kahyaoglu Sut, et al (2016) has conducted a cross sectional study on Sleep Quality and Health-Related Quality of Life in Pregnancy. It is concluded that the health

 Legal framework for air quality management: The framework of India’s air quality management system can be found in the Air (Prevention and Control of Pollution) Act,