Relevant bibliographies by topics / Contractors

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Contractors'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 July 2024

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Journal articles on the topic "Contractors"

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Mofokeng, Godfrey. "Mentorship Programmes within the Small and Medium Sized Contractor Development Programme: A Case Study of the Free State Province, South Africa." Journal of Economics and Behavioral Studies 4, no. 12 (December 15, 2012): 712–22. http://dx.doi.org/10.22610/jebs.v4i12.371.

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The South African government has been implementing various small and medium sized contractor development programmes in an effort to redress the legacy created by apartheid government. The programmes fulfil such an objective through awarding construction projects to the historically disadvantaged Black contractors to enable them develop competent skills, build viable construction firms, create jobs and redistribute wealth. A mentorship programme was put in place to assist the contractors with technical, managerial, contractual and business impediments they might be encountered in the project execution and in running the construction business. The main aim of the paper was to conduct an evaluation of the contractor development mentorship programme in South Africa using the Free State Province as a case study. Questionnaires were distributed to 120 small and medium contractors in the Free State Province, and a review of literature was undertaken. Financial factors were found to be amongst the leading causes of contractors’ failures. It was also established that educational qualification and experience in the construction industry have an effect in a contractor’s failure or success. A lot of contractors revealed that they were not exposed to the Contractor Development Programmes like in other provinces hence 74% did not participate in any contractor development programmes and only 26% did participate. The paper concluded with recommendations on how mentorship within the contractor development programme can be improved.
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Alsugair, Abdullah M., and Mansour M. Abuthnain. "Assessment of Government Contractor Classification System in Saudi Arabia." Advanced Materials Research 250-253 (May 2011): 345–55. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.345.

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This paper presents results of a study to assess the Government Contractor Classification System in Saudi Arabia. Contract award procedures in public projects of Saudi Arabia are accomplished in two steps. The first one involves qualifying contractors to insure that their technical, financial, and managerial capabilities are suitable for the project to be awarded. This qualification is accomplished by the Contractor Classification Agency- Ministry of Municipal and Rural Affairs- in which the contractor is classified according to his specialty and capabilities. In the second step, bids of the contractors who satisfy the required classification are evaluated to select the best bid. Since the contractor classification is the only screening method to disqualify incompetent contractors and the difficulty of dismissing a qualified contractor who submits the lowest bid, the contractor classification must be an actual measure for the contractor's capabilities. To assess the contractor classification system a questionnaire has been prepared and distributed to the project mangers in different public ministries and agencies. The number of distributed questionnaire was 250 and 198 were collected and used in this study. In order to conduct an objective evaluation, a comparison has been conducted between performance of contractors who are awarded projects based on the contractor classification only with performance of contractors who are awarded projects based on the contractor classification and an additional prequalification by the project owner. Also, Chi-squared test was used to verify the cause of the difference in results of using these two types of prequalification. Results of the study reveal that the contractor classification system does not properly reflect the contractors’ capabilities.
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Zainal, Rozlin, Garba Hamza, Norpadzlihatun Manap, and Noor Shahifah Syahrom. "Significant Ways to Improve the Performance of Medium and Large Local Contractors in the Jigawa State, Nigeria." MATEC Web of Conferences 266 (2019): 03018. http://dx.doi.org/10.1051/matecconf/201926603018.

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Contractors’ performance is an important criterion for the success of any construction project, as it is the contractor that converts designs into practical reality. While evidence suggests that there is much need for further improvement particularly in cost, time and quality, in Nigeria contractors’ performance is the subject that requires much research. This paper is to identify the significant ways to improve the performance of medium and large local contractors in the Jigawa state, Nigeria. Literature about contractors and their performance was reviewed to identify the ways believed to improve their performance in executing construction projects. Questionnaires distributed to 45 clients, 45 consultants, and 45 medium and large local contractors. The findings show that the respondents agree that the most significant ways to improve medium and large local contractor’s performance are transparent bidding process mechanism, proper selection of construction procurement system, quality control and standard assurance, local contractor patronage by the government and adopting information and communication technology (ICT) in design and construction. This paper offers better performance and expands the pool of knowledge to the Nigerian contractor regarding essential element that is needed to be observed in order to improve their performance.
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Chiang, Fu Yuan, and Pin Luarn. "Contractor Prequalification in Taiwan." Advanced Materials Research 905 (April 2014): 742–47. http://dx.doi.org/10.4028/www.scientific.net/amr.905.742.

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It is very important for the project owner to screen out potential failure contractors from the bidding process. Contractor prequalification has been established as a standard practice in solving this problem. This study uses a prequalification that is a financial ratios model to assess the contractor's financial capability in Taiwan. Do not consider non-quantifiable factor, the model is effective in assessing the financial ability of construction contractors' selection.
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Zhang, Yao, Shuangliang Tai, and Kunhui Ye. "Contractor Recommendation Model Using Credit Networking and Collaborative Filtering." Buildings 12, no. 12 (November 22, 2022): 2049. http://dx.doi.org/10.3390/buildings12122049.

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The credit of contractors in the construction market directly affects the cooperative intentions of owners. Although previous scholars have attempted to use credit to select appropriate contractors, they have rarely considered the trust relationship between decision-making and former owners. This work introduces and verifies a credit network recommendation model based on a collaborative filtering algorithm. The contractor’s credit established based on this model serves as a viable method for owners to select efficient contractors. The application of the model includes relevant information collection, neighbor set formation, contractor’s credit evaluation, and recommendation list formation, among which the neighbor set of the owner is used to calculate the comprehensive trust degree of the decision-making owner to the former owner. A time decay function is adopted to correct the difference in the trust relationship between an owner and a contractor introduced over time. To verify the feasibility of this model, an actual scenario was simulated, and the results obtained via simulations were compared and found to be consistent. Thus, a contractor with a high credit can be recommended to the decision-making owner. This approach is crucial for promoting contractors’ credit and conducive to the healthy development of the construction market.
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Ab., Nur Izzati, and Christopher Nigel Preece . "Development of Foreign Competitor Identification Index (FCII) in Malaysia." Information Management and Business Review 7, no. 1 (February 28, 2015): 12–22. http://dx.doi.org/10.22610/imbr.v7i1.1134.

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Most previous studies have dealt with foreign competitors in host country by considering how the contractors compete in international environment. The purpose of this study is to develop a foreign competitor identification index (FCII) by assessing the global orientation of international contractors in Malaysia using various characteristics. The exploratory study is based on the secondary data from Engineering News Record (ENR, 2013) and Construction Industry Development Board (CIDB, 2013) Malaysia. The sampling frame was from the ENR top 250 international contractors operating in more than 100 countries worldwide. Their involvement in international projects includes general building, manufacturing, power, water supply, sewerage/solid waste, industrial process, petroleum, transportation, hazardous waste and telecommunications. Six (6) measurements were used to develop the FCII mode which were based on number of years of experience and number of consecutive years operating in Malaysia, number of countries they are working outside Malaysia, number of projects and number of diversity of projects undertaken in Malaysia, and ranking in ENR. The data was analysed descriptively to make the comparison and establish the findings. Thirty eight (38) out of 250 top international contractors listed by the ENR have been operating in Malaysia. It was observed that that the most competitive contractor with the highest FCII score has more than 12 year of consecutive years working in Malaysia working on 99 projects, operating in more than 20 countries outside Malaysia and ranked at 17th place by the ENR (2013). The study used a sampling frame of population based on ENR. Therefore, the proposed measurements shall be further validated by the subject matter experts. The study will assist local contractors to recognize the foreign competitors in Malaysia and a competitive index model will be further developed to guide the local contractors to prepare themselves to compete with the foreign contractors in Malaysia. Neglecting to properly assess the foreign contractors’ characteristics can lead to poor performance in their local business ventures. This study intends to contribute to an improved understanding foreign contractor’s competitiveness in relation to the local contractors towards the development of the FCII model. Although there have been various models related to competitive index, there is currently no model that attempts to show the effects of foreign contractors on the local contractors.
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Kiiru, Harrison Wachira, Githae Wanyona, Stephen Diang’a, and John Kihoro. "The Influence of Contractors’ Selection Attributes. A Study of Public Construction Projects Performance in Kenya." East African Journal of Business and Economics 7, no. 1 (July 3, 2024): 295–312. http://dx.doi.org/10.37284/eajbe.7.1.2017.

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This paper evaluated the influence of contractors’ selection attributes on public construction project performance in Kenya. This research contends that an investigation into contractors’ selection attributes at the tender evaluation stage is important to enhance the likelihood of public construction project success performance. The study used a survey method and administered questionnaires to 263 respondents selected through stratified sampling. One hundred and eighty-nine (189) practitioners and professionals in state agencies returned filed questionnaires representing a 71.86% return rate. The literature review and interview reveal thirteen contractor selection variables and six project performance criteria. SPSS was used to analyse the data set obtained for reliability, normality, correlation, and logit regression test. Logit regression analysis reveals the omnibus test of model coefficients converged (Chi-square=26.116, df=13, p=0.016). The model summary reveals Nagelkerke R^2 of 0.246 indicating a relationship of 24.6% between the thirteen predictor variables and project performance indicators. It was found that contractors quoted tender price (Exp (B) = 1.866), innovation (Exp (B) = 2.808), and occupation health and safety (Exp (B) = 0.358) significantly influence the performance of public construction projects when all other contractor's selection variables are controlled. This indicates that the contractor’s quoted tender price, innovation, and occupation health and safety explain well the success of the public construction project from thea six (performance by budget, time, procuring entity satisfaction, environmental sustainability, quality specifications, and fulfilling public need) project performance indicators
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Lin, Yi-Hsin, Yanzhe Guo, Chan-Joong Kim, Po-Han Chen, and Mingwei Qian. "The impact of relational governance on the adaptability of international contractors: a comparative study between China and Korea." Engineering, Construction and Architectural Management 27, no. 10 (July 6, 2020): 3235–59. http://dx.doi.org/10.1108/ecam-12-2019-0719.

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PurposeIn the process of undertaking overseas construction projects, relational governance has become indispensable for project stakeholders. This study examines how relational governance influences contractors' adaptability to foreign situations and whether such associations are positively moderated by international environmental complexity.Design/methodology/approachA crosssectional survey methodology was applied to collect primary data through questionnaires sent to domestic contractors in China and South Korea (hereafter Korea). Multiple regression analysis was used to test the effects of four dimensions of relational governance on contractor adaptability. Thereafter, the Chinese and Korean subsamples were tested separately through moderated regression analysis to explore differences in the influence of relational governance on adaptability.FindingsThe results showed that quality communication, favor exchange and establishing an emotional relationship significantly and positively affected a contractor’s adaptability. However, there were significant differences between the Chinese and Korean international contractors in terms of the moderating effects of international environment complexity.Research limitations/implicationsEast Asian engagement in international development is not limited to China and Korea alone, and the study should be replicated using large representative samples from more countries, such as Japan, to gain a fuller understanding of the influence of relational governance.Originality/valueThe results have great significance for the managers of international contractors in East Asian countries and contribute to the research on relational governance and contractor adaptability.
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Gray, O. Ronald, and Richard V. Calvasina. "THE 1826 CONTRACT FOR CONSTRUCTION OF FACILITIES AT THE PENSACOLA NAVAL STATION AND ITS IMPLICATIONS FOR HISTORICAL RESEARCH USING AGENCY THEORY." Accounting Historians Journal 22, no. 1 (June 1, 1995): 35–55. http://dx.doi.org/10.2308/0148-4184.22.1.35.

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This contract dispute enhances our understanding of agency relationships and fosters greater recognition of the limitations and hazards of historical research using an agency literature framework. The accounting records, related memoranda, and reports submitted also provide insight into the nature and character of early defense contract accounting and relationships between these contractors and the government. Difficulties confronted by the Navy in securing a contractor; contract terms; civilian contractor's project accounting records, related memoranda, and correspondence with naval authorities are reviewed. The post-contract correspondence provides insight into how early 19th century government contractors attempted to resolve disputes with the government.
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Gelderman, Semeijn, and Vries. "Contracting for Road Maintenance in the Netherlands—the Downside of Performance-based Contracting." Infrastructures 4, no. 3 (July 10, 2019): 41. http://dx.doi.org/10.3390/infrastructures4030041.

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A trend towards performance-based contracting (PBC) can be observed in public infrastructure maintenance. PBC is an approach of tying the contractor’s payment to specified performance. We investigated PBC for the maintenance of highways and roads in the Netherlands, identifying issues ultimately resulting in poor contractor performance. The PBC-induced risks for clients relate to the problematic translation and measurement of specifications, the ineffectiveness of incentives, the avoidance of contractors taking full responsibility, and contract management issues. Clients should recognize the actual balance of power in the relationship with their (main) contractors, and take appropriate measures.
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Dissertations / Theses on the topic "Contractors"

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Árnandóttir, Kristrún Helga. "BIM Maturity in Iceland : A Study of Contractors and Sub-contractors." Thesis, KTH, Fastigheter och byggande, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254845.

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In the last decade, BIM has provided the construction industry with countless tools that canbe used during all construction phases (Kam et al., 2016). Implementation of BIM in Icelandat the beginning was driven by the heroic’s individuals. In recent years leadership within theAEC has recognized the opportunities BIM can provide.The aim of this thesis is to map BIM maturity of contractors and sub-contractors in Iceland.The results found that there is a lack of awareness about BIM among small to medium sizedcontractors as well as among sub-contractors. Among the larger contractors and designersmaturity is higher then found in the last study performed for GDDA 2013 (Valdimarssonand Kjartansdóttir, 2013). Recent requirement from large public project owners that requiresBIM has speed up implementation.
Under de senaste årtiondena har BIM erbjudit byggbranschen otaliga verktyg att använda i samtliga faser avbyggprocessen. Implementeringen av BIM på Island har nyligen börjat och drivs främst av entusiaster.Under senare år har utvecklingsarbete visat att BIM kan ge stor nytta.Syftet med den här rapporten är att kartlägga BIM-mognaden hos entreprenörer och underentreprenörer påIsland. Resultaten visar att det saknas medvetenhet och kunskap om BIM bland medelstora och småentreprenörer samt hos underentreprenörer. Bland de större entreprenörerna och hos konsulterna ärkunskapen större än vad som kom fram år 2013 i undersökningen GDDA. Offentliga beställarorganisationerhar nyligen ställt större krav på aktörerna att snabba på implementeringen av BIM
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Poon, Kan-young, and 潘根濃. "The bidding behavior of contractors in private and public sector construction projects." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hdl.handle.net/10722/193476.

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This study investigates the behavior of contractors when submitting bids under different institutional arrangements. Construction projects under the private and public sectors in Hong Kong operate under two distinct contractual and bidding arrangements giving different degrees of risk and uncertainty to the contractors. First, private sector projects in Hong Kong invariably adopt conditions of contracts that shift more risk to the contractor. A typical example is private sector projects do not normally allow fluctuation adjustments, thereby shifting the risks of future increase in prices of construction resources to the contractor. Public sector construction projects include fluctuation clauses for projects of duration over 21 months (Later extended to all contracts via Circular DEVB(PS)107/3 dated 18 July 2008). Second, it is common practice for private sector clients to negotiate with the contractors after they have submitted their bids. Although in some cases, private sector clients may also simply accept the lowest tender, bidders would normally anticipate that they are likely to negotiate with them after the bids are opened. This practice, however, is not allowed in public sector projects. For reasons of public accountability, Government tendering procedures do not allow changes to the bid price after the tenders have been submitted and the time for return lapsed (except for specifically approved cases). This requirement basically bars any price negotiation as in the case of private projects. We conjecture that these two differences in institutional arrangements have significant impact on bidders’ behavior, which would be characterized by the distribution and pattern of the submitted bid prices. Based on records of bid prices for 105 contracts tendered during the period 1997 and 2007, we found that public sector bids are more skewed to the left (or have a longer tail towards the left) than private sector bids, ceteris paribus. This means that low bids for public sector projects are more scattered than those of private sector projects. This result is consistent with the hypothesis that bidders attempt to hide their true bid prices by submitting higher bids when the client is not bound to accept the lowest tender. The empirical results also suggest that the bid-spread, as defined by the percentage difference between the lowest and second lowest bid, is higher when post tender negotiation is prohibited. Bidders would tend to submit more aggressive bids for public sector projects, knowing that they would not have a second chance to adjust their bid prices at a later stage. This suggests a higher probability of winner’s curse for public sector projects. For private sector projects that do not include fluctuation clauses, the bid-spread is also affected by the expected risk of future increase in the prices of construction resources. When such risk is high, bidders will become more cautious when submitting their bids and thus resulting in a lower bid-spread. The bid distributions for public sector project have thicker tails on both ends compared to those of private sector projects due to its prequalification system and the practice of acceptance of the lowest bid. The empirical evidence in this study confirms this. In addition, market conditions, number of bidders, contract size and the proportion of prime cost and provisional sum as a percentage of the contract sum are also important determining factors of biding behavior. The results of this study show that institutional arrangements matters in determining bidding behavior. Previous studies that attempt to estimate the distribution of bid prices for construction projects have largely ignored the importance of institutional arrangements, which may therefore lead to biased results. The results of this study contribute to our understanding of bidder’s behavior when bidding for construction projects under different institutional arrangements. The understanding will be useful in handling bidding exercises for new construction projects and the advancement of studies on bidding strategy models.
published_or_final_version
Real Estate and Construction
Master
Master of Philosophy
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Palaneeswaran, Ekambaram. "Contractor selection systems for design-build projects." Thesis, Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22582150.

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Bakheet, Moataz Talaat. "Contractors' risk assessment system." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/23163.

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Agustiawan, Yosi. "Improving the relationship between main contractors and sub-contractors in Indonesian transportation infrastructure projects." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/206904/1/Yosi_Agustiawan_Thesis.pdf.

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This study adopted a mixed methodology approach to investigate the way that relationship management has been implemented in Indonesian transportation infrastructure projects. The research examines the relationships between main contractors and subcontractors during project execution phases, and finds that there is an interplay between project culture and relationship quality in improving project performance. The research recommends that it is essential for projects to instill a positive project culture into the downstream supply chain (subcontractors and suppliers), so that a more harmonious working atmosphere can be established in these organisations, which in turn can support the achievement of project performance.
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Lacaria, Chris J. "Financial management of construction contractors." Thesis, Monterey, California. Naval Postgraduate School, 1994. http://hdl.handle.net/10945/25945.

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The scope of this paper is to discuss the financial management of a construction contractor. This paper attempts to approach this subject in a logical and systematic way. It communicates the importance of financial analysis and planning along with cash planning and profit planning. This report is not intended to be an all inclusive discussion of financial management in construction. Contractor's Financial Management is an extremely important subject. It has been told that a large percentage of bankrupt contractors were profitable at the time of their failure, but due to their poor financial management failure resulted. Good financial management looks at past history of the company as well as planning for its future. Management needs to understand the basics of why they are making or losing money.
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Pasquire, Christine L. "Builders quantities for contractors' management." Thesis, Loughborough University, 1991. https://dspace.lboro.ac.uk/2134/14715.

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It was shown that much compensating work was undertaken by personnel of contracting organizations during the management of construction projects when they used measured quantity data prepared by the Clients' Quantity Surveyor. It was further shown that a standard method for preparing measured quantity data which reflected contracting management and construction methods could be developed if the amount and type of compensating work was identified. This method for measuring construction work would consequently find a use in the increasingly popular Design and Construct procurement method resulting from the swing in investment in construction work to the private sector which eroded the existing four-cornered Client: Designer: Quantity Surveyor: Contractor relationship. This swing allowed entreprenurial contracting organizations to by-pass the middle men (Designers and Quantity Surveyors) and liaise directly with the Client, adopting the traditional design team's role in the process. This situation effectively removed the centralised and controlled production of measured quantity data at pre-tender stage (i.e. Bills of Quantities prepared by the Quantity Surveyor) leaving the contractor to prepare his own measured quantity data ad-hoc. The main objectives included researching within contracting organizations to defme the use to which measured quantity data was put within the management functions of estimating, purchasing, surveying, planning and site management. Determining what quantity data should be measured for the benefit of these management functions. Field testing the determined measurement rules with upto three live specification and drawing contracts, in order to show that improvements could be made in the data flow and efficiency of data management. Publishing the fmdings of the research. Case studies within three contracting organizations were undertaken and interfaces between and within the management functions where compensating work was undertaken were identified. The measured quantity data required by contracting personnel for management tasks was defmed. A set of measurement rules for Builders' Quantities was compiled and tested on five projects, each of which was supplied by a different contractor. Some work was published and more publications were planned at the time of submission. It was shown during the field tests that savings of up to 50% in management staff time could be made using a prototype set of measurement rules. It was thought that the use of Builders' Quantities would also result in saving in construction costs and had implications for use in decision making by higher management. The work was documented in report form and submitted to the Science and Engineering Research Council who awarded the project a grade of excellence, the highest possible category.
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McKenna, Nicholas A. (Nicholas Alan). "Executing major projects through Contractors." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/31172.

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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, 2005.
Includes bibliographical references (p. 112-115).
Project based organizational structures are utilized in many industries. The firms engaged in these significant endeavors, project sponsor and contractor alike, risk both capital and reputation in the market-place with each new project. Delivering projects effectively provides all the firms involved with desirable financial outcomes and market advantage. This thesis sets out to identify and understand the mechanisms established by the contracting structure that in part determine the outcome of the project. It is suggested that the nature of the relationship between project sponsor and contractor shapes the outcome of the project to a significant extent. Complex and challenging projects are made more so by the adversarial relationships that frequently exist between the sponsor and contractor(s). This thesis unpacks the underlying mechanisms that determine that relationship and begins to establish a theory of the project organization that could lead to improved project execution performance.
by Nicholas A. McKenna.
S.M.
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Chan, Yee Man Theresa. "The role of finance in competitiveness of indigenous contractors in Hong Kong." online access from Digital Dissertation Consortium, 2008. http://libweb.cityu.edu.hk/cgi-bin/er/db/ddcdiss.pl?3341102.

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Liston, John. "Contractor prequalification." Thesis, Queensland University of Technology, 1994.

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Books on the topic "Contractors"

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AICPA. Construction Contractors. New York, NY: American Institute of Certified Public Accountants, Inc., 2017. http://dx.doi.org/10.1002/9781119480310.

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Joy, Heather. Contractors file. London: Thomas Telford, 1990.

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Ratios, ICC Business, ed. Electrical contractors. Hampton: ICC Business Ratios, 1989.

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Ratios, ICC Business, ed. Electrical contractors. Hampton: ICC Business Ratios, 1993.

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Ratios, ICC Business, ed. Roofing contractors. 9th ed. Hampton: ICC Business Ratios, 1994.

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Group, ICC Information, ed. Roofing contractors. Hampton: ICC Information Group, 1995.

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Ratios, ICC Business, ed. Roofing contractors. London: ICC Business Ratios, 1986.

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Ratios, ICC Business, ed. Roofing contractors. 3rd ed. London: ICC Business Ratios, 1988.

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Ltd, ICC Business Publications, ed. Roofing contractors. Hampton: ICC Business Publications, 1998.

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Ratios, ICC Business, ed. Electrical contractors. Hampton: ICC Business Ratios, 1994.

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Book chapters on the topic "Contractors"

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Hyman, Stanley. "Contracts and Contractors." In Supplies Management for Health Services, 50–72. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003280231-6.

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Jaulin, Luc, Michel Kieffer, Olivier Didrit, and Éric Walter. "Contractors." In Applied Interval Analysis, 65–101. London: Springer London, 2001. http://dx.doi.org/10.1007/978-1-4471-0249-6_4.

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Stephenson, Judy Z. "Contractors." In Palgrave Studies in Economic History, 65–78. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-57508-7_3.

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Gifford, Sharon. "Independent Contractors." In The Allocation of Limited Entrepreneurial Attention, 127–36. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5605-3_9.

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Blum, C., and J. G. Wurm. "Contractors’ sheets." In European Textile Research: Competitiveness Through Innovation, 144–57. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4323-0_14.

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Blum, C., and J. G. Wurm. "Contractors’ sheets." In European Textile Research: Competitiveness Through Innovation, 217–29. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4323-0_20.

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Blum, C., and J. G. Wurm. "Contractors’ sheets." In European Textile Research: Competitiveness Through Innovation, 72–81. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4323-0_8.

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Price, Jennie. "Selecting Sub-Contractors." In Sub-Contracting under the JCT Standard Forms of Building Contract, 36–55. London: Macmillan Education UK, 1994. http://dx.doi.org/10.1007/978-1-349-13260-7_3.

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von Ehrenfried, Manfred “Dutch.” "Representatives and Contractors." In The Birth of NASA, 79–82. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28428-6_10.

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Myers, Danny. "Clients and Contractors." In Construction Economics A new approach, 87–98. 5th ed. London: Routledge, 2022. http://dx.doi.org/10.1201/9781003287513-7.

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Conference papers on the topic "Contractors"

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Tiresnofa, I. "Comparative study: PSC- Gross Split and PSC - Cost Recovery's net contractor share. Should the government of Indonesia gives more Incentives?" In Indonesian Petroleum Association - 46th Annual Convention & Exhibition 2022. Indonesian Petroleum Association, 2022. http://dx.doi.org/10.29118/ipa22-bc-15.

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The amendments of existing PSC policies were made to adapt with the current situation and done comprehensively in term of economic, social, political, and security perspectives. These amendments were expected to increase the attractiveness of the PSC mechanism to Contractors to attract new investment. The Indonesian government has been using PSC-Cost Recovery since 1971. 4 generations of Modifications to the PSC-Cost Recovery have been made. In 2017 (4th generation), the government modified the PSC-Cost Recovery to PSC-Gross Split. This modification is intended to level up the attractiveness of upstream oil and gas investment climate in Indonesia by increasing the share of PSC-Gross Split contractors compare to PSC-Cost Recovery. This study aims to calculate whether the contractor’s share of the PSC-Gross Split is higher than the PSC-Cost Recovery. The definition of the contractor share in this research is Net Contractor’s Income for PSC-Gross Split and Net Contractor Take for PSC-Cost Recovery. Descriptive statistic shows that, during observation period (2015-2020) for 14 working areas, the average Contractor Net Income for PSC-Gross Split (-1,78%) is lower than average Net Contractor Take for PSC-Cost Recovery (9,47%). However, by using the Welch test, the result indicates that there are no statistical differences (α = 10%) between the Net Contractor’s Income (PSC-Gross Split) and Net Contractor Share (PSC-Cost Recovery). In short, the modification to PSC-Gross Split has not been able to improve the contractor’s share as projected. Therefore, the author recommends the Government of Indonesia to escalate incentive to elevate the share of contractors, at least similar with PSC-Cost Recovery.
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Blanton, M. L., and E. W. Montgomery. "Contractor Safety: Matching Owners and Contractors." In SPE Health, Safety and Environment in Oil and Gas Exploration and Production Conference. Society of Petroleum Engineers, 1991. http://dx.doi.org/10.2118/23255-ms.

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S., Sangeetha M., and Anu V. Thomas. "Analysis of Contractor-Related Delay Factors in Building Construction." In 6th International Conference on Modeling and Simulation in Civil Engineering. AIJR Publisher, 2023. http://dx.doi.org/10.21467/proceedings.156.13.

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The unforeseen circumstances which can lead to delays are one among the most significant issues in the construction business. Listing the reasons for these delays is important to minimize and improve construction quality, time, and financial management. This will facilitate the on-time completion of the project. This research concentrates entirely on contractors' influence in these delays. Contractors, engineers, project managers, and civil engineers were asked for feedback on how to prioritize the identified elements. Overall results showed that labour shortages, material shortages, contractor financial problems, subcontracting problems, inaccurate time and cost estimates by contractors were major concerns.
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Erb, Jeff. "Contractor Performance Assurance System." In 2002 4th International Pipeline Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ipc2002-27345.

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Maintaining competitiveness in today’s marketplace can be challenging to say the least. Assuring product/service quality, peak performance, and cost effectiveness are the basics for business success. As a result more and more corporations are seriously looking at the concept of rightsizing/downsizing their organizations to reflect business needs. This in most cases translates into contracting out of services. By the very nature of the pipeline industry, contractors are essential especially as it relates to construction. A wide number of pipeline companies are expanding the use of contractors in many areas such as engineering, production, and maintenance. Through this ever-increasing use of contractors a very real challenge is presented to employers wanting to assure quality, contractor control, and top performance. Effective contractor management is critical to the overall success of pipeline companies around the globe. The purpose of this presentation is to discuss one such strategy and the benefits associated with it.
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Buckle, P. J. "The contractors' view." In IEE Colloquium on Towards Safer Electrical Installations - Learning the Lessons. IEE, 1998. http://dx.doi.org/10.1049/ic:19980809.

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Arsecularatne, B. P. "The Use of project governance modes to minimise contractors’ opportunistic behaviour." In World Construction Symposium - 2023. Ceylon Institute of Builders - Sri Lanka, 2023. http://dx.doi.org/10.31705/wcs.2023.86.

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The nature of the contractual relationship between the contractor and the client creates opportunities for opportunistic behaviour (OB) on the part of the contractor, which can result in project delays, cost overruns, and quality issues. Project governance (PG) is a set of processes, policies, and procedures that aim to ensure the effective management and control of projects. It was identified that PG helps to minimise different issues related to construction projects where different stakeholders are involved. The use of trust and formal control as PG modes in the global construction industry is well-established. However, there is a lack of research specifically focusing on the appropriate PG modes to minimise the effects of Contractors’ Opportunistic Behaviour (COB) in the Sri Lankan construction industry. The purpose of this paper is to examine the use of PG modes to minimise COB. To address this research gap, a qualitative research approach was adopted in this study. A comprehensive literature review was conducted to gather knowledge and theories about PG modes and COB. Furthermore, case studies were conducted to investigate the synergy between the identified PG modes and COB management in the Sri Lankan context. These case studies involved real-world construction projects in Sri Lanka, where the researchers’ collected data through interviews. By analysing the findings of the literature review and case studies, this study aims to provide insights into the suitable PG modes that can be used to minimise the effects of COB in the Sri Lankan construction industry. The findings suggest that PG modes can be effective in COB. The use of a hybrid mode, for example, can create a partnership-like relationship between the client and the contractor, which promotes cooperation and trust while having some contractual obligations. Similarly, the use of a formal control mode, which involves the use of detailed contracts, can help to clarify the rights and obligations of the parties involved and reduce the likelihood of OB. Overall, the paper highlights the importance of PG in managing contractual relationships and minimising OB. It provides practical recommendations for clients and other stakeholders on how to select and implement appropriate PG modes to ensure successful project outcomes.
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Shehata, Elsayed Saad. "Improving HSE Contractors Performance." In North Africa Technical Conference and Exhibition. Society of Petroleum Engineers, 2010. http://dx.doi.org/10.2118/127314-ms.

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Spears, Terrel J., James W. McCullough, Harry D. Harmon, and Robert K. Leugemors. "Status of the Salt Waste Processing Facility at the Savannah River Site." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4651.

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The Department of Energy’s (DOE) Savannah River Site (SRS) High-Level Waste (HLW) Program is responsible for storage, treatment, and immobilization of HLW for disposal. The Salt Processing Program (SPP) is the salt (soluble) waste treatment portion of this effort. The overall SPP encompasses the selection, design, construction and operation of treatment technologies to prepare the salt waste feed material for the site’s Saltstone Facility and vitrification facility (Defense Waste Processing Facility). Major constituents that must be removed from the salt waste include actinides, strontium, cesium, and entrained sludge. In fiscal year (FY) 2002, research and development (R&D) on the actinide and strontium removal and Caustic-Side Solvent Extraction (CSSX) processes transitioned from technology development for baseline process selection to providing input for conceptual design of the Salt Waste Processing Facility (SWPF), a key component at the SRS SPP. This work included laboratory studies, bench-scale tests, and prototype equipment development. To implement the salt waste treatment technologies, DOE initiated a competitive procurement process to select Engineering, Procurement, and Construction (EPC) contractors for design of the SWPF. The Department awarded EPC contracts to Parsons Infrastructure & Technology Group, Inc. and Foster Wheeler USA Corporation for preparation of conceptual designs (Phase I) for the SWPF. The two EPC contractors began conceptual design activities in September 2002 and are scheduled to complete this work in January 2004. After evaluation of the conceptual designs, DOE will down select one EPC contractor to continue with final design, construction, and hot commissioning (Phase II). Hot startup of the SWPF is targeted for December 2009.
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Kosko, Nancy, Janet Gilman, and Debbie White. "Performance-Based Acquisition: A Tool to Reduce Costs and Improve Performance at US Army Environmental Remediation Sites." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7050.

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The US Army, like most US federal and state environmental organizations, is faced with limited resources to conduct environmental work, an increasing workload, and challenges in achieving closeout of its environmental cleanup programs. In 2001, in an effort to incorporate proven private sector tools into federal cleanup programs, the Department of Defense (DoD) Business Initiative Council (BIC), initiated the use of Performance-Based Acquisition (PBA) for environmental cleanup. Since fiscal year 2000, the US Army Environmental Command (USAEC) has successfully awarded more than 55 performance-based contracts for environmental remediation. These contracts range in size from $500,000 to $52.4 million, and include closing properties (Base Realignment and Closure (BRAC)) and some of the US Army’s most complex active installations. The contracts address a range of activities including investigation through monitoring and site completion, as well as various technical challenges including dense non-aqueous phase liquids (DNAPL) in ground water, karst systems, munitions and explosives of concern, and biological agents. The contracts are most often firm-fixed price, and 50 percent of the contracts required contractors to purchase environmental insurance in the form of remediation stop loss insurance (also known as cleanup cost cap insurance). The USAEC has conducted continuous process improvement since inception of the initiative. This paper presents results of two studies that were conducted in 2005–2006 to determine what lessons learned can be applied to future activities and to measure performance of contractors currently executing work under the performance based contracts.
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Critzer, Keith Bradford, and Douglas Andrew Colbert. "Alternative Contracting Approaches in Current Oil and Gas Business Environment." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207283-ms.

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Abstract This paper presents a broad overview of the current state of the oil and gas engineering, procurement, and construction (EPC) contractor base following a period of challenging market conditions, subsequent owner/operator investment deferments, and the resulting financial impacts to the contractor base. These factors have caused a reduced tolerance for oil and gas volatility and a reduced appetite for lump sum contract risk. This paper identifies alternative contracting approaches to traditional competitively bid lump sum contracting. These alternative approaches result in a better understanding and assignment of risk between owner/operator and contractor, encourage continued participation by contractors in the oil and gas sector, and increase the probability of successful project outcomes.
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Reports on the topic "Contractors"

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Fitzsimmons, Tim. Hydrogen Contractors Meeting. Office of Scientific and Technical Information (OSTI), May 2006. http://dx.doi.org/10.2172/1275515.

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Calahorra-Jimenez, Maria, and Richard Poythress. Exploring Performance-Based Contracts: A Good Option to Address Long-Term Road Maintenance in California? Mineta Transportation Institute, July 2024. http://dx.doi.org/10.31979/mti.2024.2359.

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Performance-based contracts (PBCs) used in road maintenance provide flexibility for considering new materials, design, and technology to achieve predetermined performance targets. Several states in the U.S. have already used these types of contracts in road maintenance, and their experience can inform the use of PBCs in California. The objectives of this research are twofold. First, identify the benefits and challenges of PBCs compared to traditional contracts. Second, explore the main aspects of PBCs implementation for road maintenance and relate them to California's context. To this end, deductive-inductive content analysis was conducted on 84 peer-reviewed articles published between 1998 and 2023. Findings of this research identified the main benefits of PBCs to be: (1) cost savings, (2) improved work/service quality, and (3) reduction in risk to the transportation agency through the transfer of responsibility to the contractor. The main challenges were found to be: (1) the need for training and a shift in mindset from traditional contracting forms to PBCs, (2) the need to establish trust between contracting agencies and contractors, and (3) the temptation for contractors to abuse the system. Research findings highlighted "procurement," "performance indicators," and "incentives/disincentives" as the three major themes to consider in PBC implementation. California does not have a history of using performance-based contracts for road maintenance. Results from this research may be the first stepping stone to initiate the decision-making process to use these types of contracts for road maintenance.
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Reynolds, Mary. Contractors on the Battlefield. Fort Belvoir, VA: Defense Technical Information Center, May 2004. http://dx.doi.org/10.21236/ada425973.

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Author, Unknown. L52287 Pre-Construction Drillability Assessment for Horizontal Directional Drilling in Rock. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), August 2008. http://dx.doi.org/10.55274/r0011760.

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Construction contractors often claim extra compensation associated with horizontally directionally drilled (HDD) pipeline installations is needed when drilling in rock. These claims result from HDD contractors' allegations that rock properties experienced during construction are significantly different from the properties on which the contractors' bids were based. This report provides information and recommendations that improve exploration and testing methods for assessing the drillability of rock to be encountered on HDD pipeline installations. These improvements will lead to a better understanding of rock drillability which will in turn lead to more accurate bid prices and more effective drilling plans. Pipeline installation costs will be reduced by reducing claims for extra work, improving contractor efficiency, and decreasing risk associated with HDD installations in rock. This report also addresses contractual considerations and alternate dispute resolution.
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Gansler, Jacques S., William C. Greenwalt, and William Lucyshyn. Non-Traditional Commercial Defense Contractors. Fort Belvoir, VA: Defense Technical Information Center, November 2013. http://dx.doi.org/10.21236/ada613239.

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Hansen, Stephen C. Federal Contractors and Sticky Costs. Fort Belvoir, VA: Defense Technical Information Center, November 2014. http://dx.doi.org/10.21236/ada625066.

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Hill, Nathan E. Military Contractors - Too Much Dependence. Fort Belvoir, VA: Defense Technical Information Center, March 2008. http://dx.doi.org/10.21236/ada479151.

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Burdick, Arlan. Building America Expert Meeting Report. Transitioning Traditional HVAC Contractors to Whole House Performance Contractors. Office of Scientific and Technical Information (OSTI), October 2011. http://dx.doi.org/10.2172/1219237.

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Burdick, A. Building America Expert Meeting Report: Transitioning Traditional HVAC Contractors to Whole House Performance Contractors. Office of Scientific and Technical Information (OSTI), October 2011. http://dx.doi.org/10.2172/1027158.

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Liakus, C. Needs of Non-Energy Focused Contractors. Office of Scientific and Technical Information (OSTI), December 2012. http://dx.doi.org/10.2172/1219881.

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