Planning Issues In The Construction Industry Construction Essay
Construction is an everlasting activity across the globe. Its profitability like of any other business fluctuates according to the law of demand and supply. In most countries, construction activity constitutes 6-9% of the gross domestic product (GDP) and constitutes more than half of the fixed capital formation as infrastructure and public utilities capital works required for economic development. Construction activity contributes to the economic development of a country. The GDP per capita and the investment in the construction per capita generally follow a straight line relationship, that is construction activity increases with the increase in per capita income. Construction projects are intricate and time-consuming tasks. For the total success of any particular project a wide chain of specialized services is necessary for the timely completion of the project. During the construction process, itself even a project of small or medium proportions requires many attributes, materials and involves many different types of operations. The assembly process must follow a natural order of events that, in total combination, constitutes a complicated pattern of individual time requirements and restrictive sequential relationships among the many segments of the structure (Project Quality Management in Construction, K. Lambrou, G.J. Besseris and C. Alafodimos, MSc in Quality Management, TEI of Piraeus and University of Aisley).Mismanagement of resources has become a prevalent problem in many construction firms. This mismanagement of resources contributes to numerous construction firms’ ineffectiveness and frequent failures each year. Hence, it is necessary to take appropriate steps and follow the process to improvise the output of construction industry by using proper planning methods and techniques.
This can be done through adoption of modern and improvised planning techniques in construction industry such as CPM, PERT, Supply Chain Management etc, which will be discussed in detail in main dissertation work. In the literature review of planning issues in construction industry, different aspects of social-cultural-economic importance of planning and modern planning techniques has been highlighted. This dissertation focuses on analyzing the major hindrances caused by the positive and negative issues in planning and execution phase of the project.
2. Background
Planning is a key ingredient in the successful completion of any construction project. It provides the road map for the project to follow and the milestones by which its progress is measured. To understand the loopholes in the planning process it is necessary to dismantle the planning objectives, so that all the aspects regarding the project could be thoroughly capitalized. Four planning objectives which characterize the whole of the planning process are execution of work, coordination of all the activities, control over the materials and manpower and forecasting. Safety is a major concern to every successful construction project because of humanitarian concern for the workers and the cost ramifications of a poor safety record. Major construction firms had proposed the usage of network planning techniques, mainly because of owner’s demand.
The relationship between project planning and construction safety is sometimes subtle, and the impact it has on the project is not as readily apparent as the importance of planning and safety as separate entities.
A comprehensive planning and scheduling specification system can aid in the planning of job sequence, financial needs, workforce needs, material needs, and equipment needs. It also can aid the scheduling of actual activity start or completion and provide feedback to control the schedule, cost, and use of resources. A critical step in the execution of any construction project is the selection of planning and scheduling specification clauses to be included in the construction contract. Numerous project characteristics should be taken into account when determining which planning and scheduling clauses to be included.
Project is a mission, undertaken to create a unique facility, product or services within the specified scope, quality, time and costs. With the emerging global opportunities, projects cross geographical boundaries, corporate channels, traditional systems and cultural diversities. The knowledge areas needed to manage such projects comprise project management techniques, general management practices and technology-related subjects. The project management techniques of planning, scheduling and controlling are the tools and devices that bind the subject’s knowledge areas. These techniques can be applied to all types of projects. This research focuses on the application of all these techniques in the construction industry.
It is widely recognized that effective planning can play a major role in the success of projects. Whether project success is based on the traditional measure of time, cost and quality or newer measures of critical success factors (Westerveld, 2003), effective planning can also contribute to the prevention of accidents and ill health of site personnel (Duff and Suraji, 2000; HSE, 2003). These objectives become increasingly difficult to achieve, however, in construction projects. Construction sites can be extremely busy places where the working environment is ever changing. Unfortunately, in addition to this, the construction industry tends to be under resourced and under planned in relation to other industries (Egan, 1998), which can lead to a crisis management approach to production risk, a feature of construction culture which can impact heavily on health and safety. Despite this, activities requiring intensive planning as those required in a temporary rail possession, almost invariably run smoothly. There is little chance of an unsafe incident, due to the heightened risk awareness resulting from the meticulous planning.
3. Aims and Objectives
To study various minute details affecting the process of planning. The objective of this research is to assess the modern methods of planning and scheduling a construction contracts which can be applied in today’s construction industry and to also discuss the issues involved in the application of those tools. To compare and analyze a planning strategy which has a solution for various issues in the planning process.
4. Research Methodology
The research methodology is the approach through which the researcher collects the data useful for the chosen topic and then the analysis is done on the basis of that. In my dissertation, I will be using qualitative research as means to study planning and scheduling in construction contracts.
5. Scope and Limitations of Dissertation
The limitations of the dissertation are:
This research targets only construction industry, hence the results cannot be implied on the others sectors.
This analysis will be done for Indian and UK industry. However, the study done on India and UK is not necessary applicable for other nations as well as because of cultural differences.
Planning techniques for different countries is different which adds to more misery. The unavailability of proper planning and management techniques, which could possibly solve the issues of planning even when proper resources are not available.
Construction Industry has flourished domestically as well as globally over the years. Economic development of any particular country also largely depends upon the construction projects. Major factors that affect the overall result of any project would be size, complexity, quality, productivity, completion time and cost. These factors would be achieved only when proper planning is done, which forms the base of construction management. A project plan is always formulated during the planning phase. Planning in its broader perspective, involves advance thinking as to what is to be done, what are the activities, how it is to be done, when it is to be done, where it is to be done, what is needed to do it, who is to do it and to ensure that it done. A project plan would be adversely affected if cost overruns and delays take place. The effect of past construction experience, on the quality of management in general and on planning effectiveness in particular, is addressed only rarely in construction-management research; the few studies doing so explicitly are in agreement with the findings of the present study. NEDO (“Faster” 1983) reports the contractor’s inexperience in similar projects as a major source of difficulty in construction [“Faster building for industry” (1983). NEDO-Building EDC, National Economic Development Office, London, England.]. All the perseverance put into the invention of new techniques did not gave the satisfying results in the construction planning sector (Choudhury 1981, Mason 1984, Morton 1983). Sometimes people fail to recognize the difference between planning and scheduling. Progress in the usage of new computer techniques has resulted in the misconception of standardization of project scheduling.
Projects have been a part of our society for quite a long era. Indication of total efficiency would be seen by completing project on time, but construction process is subjected to too many fluctuations and unforeseeable factors which results from many sources (Sadi. A. Assaf, Sadiq Al-Hejji, (2005)). Construction organization lives in the ever-changing and their effectiveness depends on their ability to adapt to new demands and opportunities. This industry needs to adjust itself to the changes occurring in its working environment in order to become effective. Construction projects are intricate and time-consuming tasks. The total development of a project normally consists of several phases requiring a diverse range of specialized services. In progressing form initial planning to project completion, the typical project passes through successive distinct stages that demand inputs from such disparate groups as financial organizations, government agencies, engineers, architects, lawyers, surety companies, contractors, and building trade-persons. Most challenging part of these modern techniques is implementing these methods to achieve a particular goal or task. Construction Industry faces a lot of problems because of the working patterns and inefficient planning techniques to reach to complete a particular function. Following the modern planning techniques reduces the dilapidation of resources and economically strengthens the company. A constant focus should be given on the improvisation techniques which include mutually collaborating one or more techniques which would lead to a profitable project and reduce the loss due poor performance and cost overruns. The constructions industry in India and UK has realized the importance of the proper usage of modern planning techniques which has improvised the margins of profits and truncate the overall project cost. In India planning is an open process (Planning in India RICHARD S. ECKAUS MASSACHUSETTS INSTITUTE OF TECHNOLOGY).If design completion is not done at proper time it would prove to be costly, as it would lead to construction delays. In India a prevalent method to planning is not sufficient as there are many situations which includes
Limitation or inexpertness of human beings in there respective fields (Human Errors).
Influence of external factors beyond human control
(E.g. Natural Hazards: this could have an adverse effect on the planning process).
The external components interact with the construction firm from outside of the organization’s environment. Such external components are material suppliers, financial institutions, and surety companies, end users of products, owners, and architects.
The project is also influenced by external causes due to scarce availability of resources in the market (Techniques and Technology).
The project covers important framework of an integral system; therefore considerable economic or technical consequence could result from faulty usage.
(An approach to planning and control of advanced projects Giorgio Caroni, Roland0 Matteelli and Alfred0 Berti)
In order to have a competitive edge over other construction companies, perfectly planning techniques should be used.
Main Body
CASE STUDY:
Even though India is one of the developing countries the approach towards planning is comparatively more advanced as compared to other developing countries. (Planning in India, RICHARD S. ECKAUS, MASSACHUSETTS INSTITUTE OF TECHNOLOGY). In India, for small scale project ranging between 1million£-10million£ specific planning techniques cannot be implemented, as a lot of unavoidable problems usually arise due to many reasons. Comprehensive survey of the location of the project clearly marks the project area and its boundaries. Soil investigation is to be done to ascertain the soil strength so as to decide the type and other specific details of the foundation. Depending upon the soil investigation reports, finalize the type of foundation i.e., pile foundation or open foundation up to hard strata strength. Necessary approvals, clearances, no objection for all the concerned government departments, local or self governing authorities should be obtained before starting the project. To ascertain whether any public utility service lines like Water pipe lines, sewage pipe lines, electrical cables or over head lines, telephone line or any other Public/Private items or assets are crossing /passing through the designated project area. Specific measures must be taken to relocate the service lines or public assets before starting the project.
Drawings incorporating all the specific details, dimensions and other specifications must be accurate and must be got approved from all the relevant authorities before starting the work
If any of the above fundamental issues are neglected at the planning stage, you are steadily heading for a project period over run and project cost overrun.
TYPICAL CASE STUDIES FROM INDIA
BUILDING PROJECT OF CBI(CENTRAL BEAURAU OF INVESTIGATION)
BUILDING
1) Name of Work : Construction of Administrative Building including
all infrastructure Amenities for C.I.D Pune. at Pune
2) Client : Maharashtra State Police Housing & Welfare Corporation.
Limited, Mumbai
3) Tender Work Order No : PHC/TB/CID PUNE/1152/2005
Dated – 15.07.2005 from General Manager
4) Contractor : M/s. Deepa Engineers,
42, Welfare Chambers, 1st Floor,
Sector-17, Vashi, Navi Mumbai – 400 705
5) Architect : M/s. Arc-Aids. Pune
6) P.M.C : M/s P&P Ventures, Pune
7) Tendered Amount : 5, 43, 04,161/-
8) Date of Starting : 02.09.2005
9) Stipulated period of completion : 31.05.2007
10) Area as per tender : 5483.57 Sq.Mtr
11) Area as per actual construction : 7217.19 Sq.Mtr.
Including Common Facility.
12) Common Facility Area : 109Sq.Mtr
1) Septic Tank = 36 Sq.Mtr
2) Meter Room = 19 Sq.Mtr
3) Pump House = 54 Sq. Mtr
13 Area Constructed : 7108.19 Sq.Mtr
(7217.19-109 = 7108.19 Sq.Mtr)
14) Actual date of completion/ : 31.03.2009
Taking over 10.07.2009
15) Difference in Area : 1669.62 Sq.Mtr.
16) R.A. Bill No. 21st (pending) : 30,70,629.00
17) Final Bill yet pending : 26,01,169.00
18) Security Deposit : 13,57,604.00
19) Retention money deducted
From 20th R.A. Bill : 1,38,747.00
20) Retention money deducted
From 21th R.A. Bill : 1,52,052.00
21) Extra Items Amount : 1,83,210.00
22) Inauguration Expenditure : 3,10,000.00
23) Bank Guarantee En cashed : 13,57,604.00
Total Claims overdue : 91,71,015.00 + Difference in Constructed
Area amount
Conclusion
Departmental interaction between various service agencies of the state, like the police housing Department and PUNE Municipal Corporation must have been initiated at the planning stage of the tender itself.
Though the project is commissioned successfully on 10th July-2009 and the C.B.I has occupied the Administrative Building, with all the proposed amenities the Contractor has suffered huge financial losses. Presently the case is under arbitration
Justification for the delay of work
1) M/s. Arc-Aids, (Architect) & M/s. P&P Ventures, Pune (PMC) were new to the department & lack of coordination between them & with Police Housing and the contractor resulting in bad delay in furnishing the requisite drawings and other relevant details for the timely execution of the work.
2) Delay due to the shifting of approx One Meter Diameter Water pipe line of Pune municipal corporation which was not shown in the layout drawing of the tender, passing through the site & feeding water supply to Pune City – Delay 10 Months. The work was coordinated by Deepa Engineers and executed by Pune Municipal Corporation without any financial obligations to PHC. Drawings must incorporate all the details accurately, after carrying out proper survey of the project area.
3) Non releasing of the payments in time by holding of Running Bills payment by imposing heavy penalty as given below, which was against the terms & conditions of the Tender, since the delay was caused by reasons beyond the responsibility & control of the contractor
Sr.No.
Particulars
No. of days
Amount to be recovered from Bill in Rs.
1
Rs. 1000/-per day w.e.f. 1/6/07 to 15.01/08
229
2,29,000/-
2
Rs. 5000/-per day w.e.f. 16/01/08 to 15/02/08
31
1,55,000/-
3
Rs. 10000/-per day w.e.f. 16/02/08 to 12/05/08
87
8,70,000/-
4
Rs. 15000/-per day w.e.f. 13/5/08 to 30/06/08
49
7,35,000/-
5
Rs. 65000/-per day w.e.f. 1/7/08 to 10/07/09
375
2,43,75,000/-
Total
771
2,63,64,000/-
This holding of payment was waived and released by Hon. S.S. Virk after joining as M.D. of Police Housing Corporation and assured that the penalty will be waived and the difference in area constructed will be consider after completing the work. Accordingly the work is restarted and completed on 31.03.2009 and handed over on 10.07.2009. Month wise requirement of funds if predicted during the planning’s stage itself, the payment schedule & flow of money will not be hampered.
B) Name of Project:
1) Construction of three storeyed of 300 seated Post Graduate Hostel including internal Water supply, Sanitary installation, Drainage wok and internal electrification work for Vishweshwarayya National Institute of Technology, Nagpur, India
Name of Contractor : M/s. DEEPA ENGINEERS,
42, WELFARE CHAMBERS, 1ST FLOOR,
SECTOR-17, VASHI, NAVI MUMBAI
Estimated Cost : 5,33,56,856/-
Tendered Amount : 9,34,63,099.00
Time allowed : 16 Months including monsoon
Period
Commencement Date : 12.07.2007
Stipulated date of completion : 11.11.2008
Security Deposit : 46,73,155.00
(Bank Guarantee)
Project Management : Central Public Works Department,
Superintending Engineer,
Central Circle, Nagpur.
Architects : —— do ——
B) Name of Project: Construction of Additional storey (100 seated) over proposed 300 seated Post Graduate Hostel at Vishweshwarayya National Institute of Technology, Nagpur.
Name of Contractor : M/s. DEEPA ENGINEERS,
42, WELFARE CHAMBERS, 1ST FLOOR, SECTOR-17, VASHI, NAVI MUMBAI
Estimated Cost : 1,78,70,130.00
Tendered Amount : 2,36,39,902.00
Commencement Date : 28.11.2008
Stipulated date of completion : 27.05.2009
Security Deposit : 11,82,000.00
(Bank Guarantee)
Time allowed : 6 Months
Project Management : Central Public Works Department, Superintending Engineer, Central Circle, Nagpur.
Architects : —— do ——
Actual date of Completion : 31.03.2010
Parameter adopted for mix design for RCC works Ready Mix Concrete
Nominal maximum size of aggregate : 20 mm angular as per C.P.W.D. description
Degree of quality control : Good
Type of Exposure : Moderate
Maximum water cement Ratio : 0.50
Cement Content : 410/Kg/cum of concrete
Type of Cement used : OPC 43 grade Conforming to
IS: 8112
Sand : Coarse sand as per CPWD
Specification
Approved Admixtures conforming to I.S. 9103 permitted
Fly wash shall not be used in R.C.C
The Contractor shall submit the Mix Design Report from Approved Laboratory and get it approved from the Engineer-in-Charge
Causes for the delay in completion of the project.
Inaccurate Soil Investigation Report.
The Original depth of Excavation, for Foundation fixed as 5ft(1.52 m) as per tender. At the time of actual execution the depth upto loft which resulted in huge quantity variation in excavation, quantity of steel and other items necessitating further approvals from all competent authorities.
This project cost overrun and period overrun could have been avoided if proper soil investigation was carried out before tendering
A Major defect in planning was the decision to have an additional floor with 100 seats after the completion of the hostel building up to 3rd floor by the contractor.
The right decision to have a Four storied 400 seated Hostel building initially would have saved the Project period by at least 4 months Also there could have been a saving of the total Project cost by at least 03 %
TABLE OF MILESTONE (S) – CASE B(1)
S. No.
Financial Progress
Time allowed
(from date of start)
Amount to be withheld in case of non achievement of milestone
1
All P.C.C. and brick works up to plinth level
120 days
In the event of not achieving the necessary progress as assessed 1% of the tendered value of work will be withheld for failure of each milestones
2
Complete R.C.C structure up to terrace level
240 days
3
All brick work , flooring, internal plaster, fixing of door frames and windows etc along with all related items
355 days
4
Water proofing to terrace slab, external plaster and painting, fixing of all electrical and water supply, sanitary fitting etc. complete along with handing over of building including external service connections complete.
16 months
TABLE OF MILESTONE (S) – CASE B(2)
S. No.
Physical Progress
Time allowed
(from date of start)
Amount to be withheld in case of non achievement of milestone
1
All R.C.C. Columns
30 days
In the event of not achieving the necessary progress as assessed 1% of the tendered value of work will be withheld for failure of each milestones
2
Complete R.C.C and brick work up to terrace level
90 days
3
All brick work , flooring, internal plaster, fixing of door frames and windows etc along with all related items
150 days
4
External plaster and painting, fixing of all water supply, sanitary fitting etc. complete along with handing over of building including external service connections complete.
6 months
Results from the Case Study: IN GENERAL VIEWS
Table 1
List of causes of delay which may affect the overall planning is categorized below
(Causes of delay in large construction projects, Sadi A. Assaf *, Sadiq Al-Hejji)
No. of. Causes of delay affecting the planning process
Group
1 The Original contract duration is very short
Project
2 Disputes between various parts
Project
3 Inadequate definition of substantial completion
Project
4 Ineffective delay penalties
Project
5 Type of construction contract (Lump sum contract, construction only,)
Project
6 Type of project bidding and award ( lowest bidder)
Project
7 Delay in payments by the owner
Owner
8 Delay to furnish the site to the contractor by the owner
Owner
9 Revision orders by the owner during construction phase
Owner
10 Late in changing and approving the design documents by the owner
Owner
11 Delay in approval of drawings and the sample materials
Owner
12 Improper communication by owner and other parties
Owner
13 Unwillingness to make proper decisions
Owner
14 Disagreements occurring between joint-ownership of the project
Owner
15 Absence of incentives for contractor for finishing the work ahead of schedule
Owner
16 Discontinuation of work by owner
Owner
17 Financial problems faced by contractor
Contractor
18 Problems in sub-contractors schedule in execution work
Contractor
19 Alterations during construction due to some minor errors
Contractor
20 Affray between contractor and other parties
Contractor
21 Inappropriate site management by the contractor
Contractor
22 Inappropriate communication by contractor with other parties
Contractor
23 Poor planning of project by the contractor
Contractor
24 Improper construction techniques implemented by contractor
Contractor
25 Postponement in sub-contractors work
Contractor
26 Inadequate standard of work by contractor
Contractor
27 Periodic changes of sub-contractors
Contractor
28 Poor qualification of technical staff
Contractor
29 Mobilization problems at site
Contractor
30 Postponement in inspection and testing by consultant
Consultant
31 Delays in the approval of major changes in the scope of work by consultant
Consultant
32 Inflexibility shown by the consultant
Consultant
33 Improper coordination between consultant and other parties
Consultant
34 Slow to review and approve the documents by the consultant
Consultant
35 Issues between the consultant and the design engineer
Consultant
36 Inadequate experience of consultant
Consultant
37 Mistakes in the design documents
Design
38 Delay in delivering the design documents
Design
39 Imperfect details in drawings
Design
40 Complications in understanding of the project design
Design
41 Incomplete data collection &survey before design
Design
42 Confusion in owners requirements by design engineer
Design
43 Insufficient design-team experience
Design
44 Low amount of usage of advanced engineering design software
Design
45 Shortage of construction materials in market
Materials
46 Alterations in the type of materials and specifications during the construction
Materials
47 Immobilization of material
Materials
48 Damage of sorted material while they are needed urgently
Materials
49 Delay in manufacturing special building materials
Materials
50 Late procurement of materials
Materials
51 Late in selection of finishing materials due to availability of many types in market
Materials
52 Equipment breakdowns
Equipment
53 Shortage of equipment
Equipment
54 Low level of equipment-operators skill Equipment
Equipment
55 Lack of high-technology mechanical equipment
Equipment
56 Shortage of labours
Labours
57 Unqualified workforces Labours No. Causes of delay Group
Labours
58 Nationality of labours
Labours
59 Low productivity level of labours
Labours
60 Personal conflicts among labours
Labours
61 Effects of subsurface conditions (e.g., soil, high water table, etc.)
External
62 Delay in obtaining permits from municipality
External
63 Hot weather effect on construction activities
External
64 Rain effect on construction activities
External
65 Unavailability of utilities in site (such as, water, electricity, telephone, etc.)
External
66 Effect of social and cultural factors
External
67 Traffic control and restriction at job site
External
68 Accident during construction
External
69 Differing site (ground) conditions
External
70 Changes in government regulations and laws
External
71 Holding up the work from the important utilities i.e., water, electricity etc
External
72 Final inspection has been delayed by a third party
External
Literature Review:
Definitions and Concepts of Planning and Planning issues
Planning can be defined as any one of the following:
1. A decision-making process.
2. A process of anticipatory decision-making – to decide what and/or how to perform actions due at some point in the future.
3. A process of integrating interdependent decisions into a system of decisions.
4. A hierarchical process evolving from general guidelines to objectives, to the elaboration of means and constraints that lead to a detailed course of action.
5. A process that includes part or all of a chain of activities comprising information search and analysis, development and design of alternatives, analysis and evaluation of alternatives and choice making.
6. The systematic employment of procedures (standardized and formal to varying degrees).
7. Documented presentation, in the form of plans.
(Is construction project planning really doing its job? A critical examination of focus, role and process, A. Laufera; R. L. Tucker, Department of Construction Management, Technion IIT, Haifa, Israel b Construction Industry, Institute, The University of Texas at Austin, TX, USA)
Social-Cultural-Economic Importance of Planning(POSTIVE AND NEGATIVE)
Cultural Aspects:
(International Measurement of the Economic and Social Importance of Culture, Prepared by
John C. Gordon and Helen Beilby-Orrin)
. The Australian statistical office has grouped possible types of arts and heritage indicators into four broad categories3.
• Cultural
cultural relevance and diversity of arts and cultural heritage collections
balance between [domestic] and foreign cultural content
impacts on cultural identity
impacts on cultural awareness and tolerance
• Social
accessibility of arts and cultural heritage services
impacts on community networks
impacts on civic participation
impacts on social responsibility
• Economic
economic viability
support for [domestic] content
government funding
Modern Planning Techniques (CPM, PERT, SUPPLY CHAIN METHOD, AGILE PLANNING METHOD, VIRTUAL PLANNING ETC)
In most of the companies recommended planning techniques are Work Breakdown Structure, Critical Path Method, Gantt Charts, Virtual planning ETC. Time Planning includes Work Breakdown Structure, Project CPM/PERT Network Analysis, Precedence Network Analysis, Project Work Scheduling. Work breakdown structure enables the splitting up of the project work into hierarchical work breakdown levels of sub-projects, tasks, work packages and activities. Each activity represents an identifiable lower level job which consumes time, and possibly resources.
NEGATIVE ASPECTS OF CPM:
(i) The CPM model refers mainly to technological constraints while the limitations of resources are barely considered. It does not ensure full continuity for the construction crew which is the backbone of operational planning in construction.
(ii) Even for technological relationships the model does not always provide satisfactory solutions. CPM is suitable for ‘sequential’ operations which characterize an erection type of work. It is not suitable for ‘bulk’ operations which are typical of an installation type of work, where detailed sequencing of activities is often irrelevant or unimportant.
(iii) When technological relationships are well defined and the model may be theoretically satisfactory we find that in many instances CPM is difficult to apply in practice. The majority of activities on a construction site are overlapping, not only with the immediately preceding and succeeding items but possibly with a score of preceding and following activities. This fact has always been obvious on a bar chart but is difficult and tedious to express accurately in an activity network.
(iv)The model only processes planning data that have been fed to it. Other input data – duration of activities, relationships, resources – have to be prepared by the planner using mainly heuristic decision-making concepts which entail giving attention to each activity and making many activities critical. This contrasts with the model algorithm which determines an incidental critical path related to activity duration.
(v) The network model usually presupposes that interferences and variability occur rarely. In fact, uncertainty is not a brief intrusion into a predictable sequence of operations. The opposite is true. Randomness and uncertainty exist in construction everywhere.
(Is construction project planning really doing its job? A critical examination of focus, role and process, A. Laufera; R. L. Tucker, Department of Construction Management, Technion IIT, Haifa, Israel b Construction Industry, Institute, The University of Texas at Austin, TX, USA)
CONCLUSION: As long as other methods are not proving to be better, CPM/PERT techniques cannot be replaced. They surely have some positive as well as negative aspects, which cannot be completely ignored. A lot is dependant on the perspective with which a planner assumes the planning situations. Even after this, a huge amount of attention is diverted towards the modification of current construction planning models.
Research Methodology:
The research methodology is the approach through which the researcher collects the data useful for the chosen topic and then the analysis is done on the basis of that. This part of research highlights the method which is adopted to collect the information regarding the planning issues in construction industry. It highlights all the information through which relevant data has been collected which proved to be useful for the research. Effort is taken to filter and focus on the data for the planning issues in construction industry.
Qualitative and Quantitative are the two main forms of data collection technique. Literature Review plays an important role as a secondary source of information Various statistical techniques will be used to find solutions to various planning issues and events such as annual reports, press releases and company profiles (observation), information from outside region (web search), technical materials, periodicals and electronic/ internet search (research) and previous records and dissertation (sample). Different case studies plays a pivotal role in understanding essential elements required to understand a process of planning issues. It allows to different concepts involved in the planning issue. Surveys form other important aspect of research work as it helps in collecting data through conversation with people having a deep knowledge in construction planning and its issues. It helps to analyse the whole aspect of a situation.
The research is mostly a desktop study of issues relevant to planning. A considerable amount of viewpoints from different sections of people has been achieved. Qualitative research will enlighten on aspects of tools available for construction project management and their history of usage and success rates etc. I shall use a mix of case studies which may be readily available and shall try to learn from past experiences. However, I shall avoid making generalizations as each and every project is unique. Also, through use of interviews, I shall try to gather relevant information and come up with results on effectiveness of various planning and scheduling techniques in construction contracts.
Following are the list of materials used for collection of data:
Journal:
Journal of construction division
International journal of Project Management
Journal of Engineering, Design and Technology
Journal of Systems Management
Journal of Construction Engineering and Management
PM Network
Project Management Journal
Databases Referred:
ABI/Inform
Emerald
PMI
Proquest
Science direct
Scopus
Google Scholar
Research Keywords:
Project Issues
Issues in Construction
Planning Methods
Issues in Planning methods
Modern Planning methods
Library databases and catalogues:
http://www.library.manchester.ac.uk/eresources/databases
http://www.library.manchester.ac.uk/eresources/accesselectronic
Internet search engines:
www.ukurbahan-qs.blogspot.com
www.reportlinker.com
REFERANCE:
1)www.ukurbahan-qs.blogspot.com/2009/11/causes-of-delay-in-large-construction.html
2)www.reportlinker.com/d010988775/North-america-and-Western-europe-industry-profiles.html
3) Choudhury, S. (1981) Input-output scheduling – A new approach to construction scheduling of chemical projects. Proceedings of PMI INTERNET Joint Symposium, Boston, MA, pp. 347-53.
4) Mason, D. (1984) The CPM technique in construction: A critique. Transactions of the American Association of Cost Engineers (Montreal) pp. E.2.1-E.2.10.
5) Morton, G.H.A, (1983), Human dynamics in project planning, In Project Management Handbook (edited by D.I. Cleland and W.R. King),Van Nostrand Reinhold Co, New York, pp. 265-82.
6) Is construction project planning really doing its job? A critical examination
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