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Factors affecting the accuracy of quantity surveyors pre-tender price forecasts in South Africa

The primary purpose of this dissertation is to identify the factors which affect the accuracy of South African quantity surveyors' pre-tender price forecasts. Prices submitted by bidders at the tender submission stage of project development are utilised as the best practical measure for establishing...

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Main Author: Pearl, Robert Gilfillan
Other Authors: Stevens, A.J.
Format: Thesis
Language:English
Published: School of Architecture, Planning and Geomatics 2020
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access_status_str Open Access
author Pearl, Robert Gilfillan
author2 Stevens, A.J.
author_browse Pearl, Robert Gilfillan
Stevens, A.J.
author_facet Stevens, A.J.
Pearl, Robert Gilfillan
author_sort Pearl, Robert Gilfillan
collection Thesis
description The primary purpose of this dissertation is to identify the factors which affect the accuracy of South African quantity surveyors' pre-tender price forecasts. Prices submitted by bidders at the tender submission stage of project development are utilised as the best practical measure for establishing the degree of accuracy achieved. A large number of design price forecasting techniques are available to estimators. Many of the techniques used in the early stages of design are applicable for providing budget amounts for design control purposes, whilst others are more· appropriate for forecasting anticipated tender sums. Features of price forecasting requiring attention at all stages of design development are identified as: (i) the influence of uncertainty inherent in the process, (ii) data / information availability and management, and (iii) the utilization of tendering data by means of 'feedback' systems. The factors affecting the accuracy of price forecasts are examined by means of a literature study, opinion surveys of estimators and empirical research on the results of estimate /tender comparisons. The relevance of the question of pre-tender price forecasts is demonstrated by the results of the study which indicates that the accuracy and reliability of South African quantity surveyors' estimates produced at the tender stage is inferior to that generally found overseas and do not meet the expectations of architects and clients. The conclusions drawn from this study indicate a distinct potential for improvement in early design stage price management.
format Thesis
id oai:open.uct.ac.za:11427/32013
institution University of Cape Town (South Africa)
language eng
last_indexed 2026-06-10T12:53:23.248Z
license_str Not specified — see source repository
provenance_str_mv Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository
publishDate 2020
publishDateRange 2020
publishDateSort 2020
publisher School of Architecture, Planning and Geomatics
publisherStr School of Architecture, Planning and Geomatics
record_format dspace
source_str UCTD — University of Cape Town Open Access Repository
spelling oai:open.uct.ac.za:11427/32013 Factors affecting the accuracy of quantity surveyors pre-tender price forecasts in South Africa Pearl, Robert Gilfillan Stevens, A.J. Building Estimates The primary purpose of this dissertation is to identify the factors which affect the accuracy of South African quantity surveyors' pre-tender price forecasts. Prices submitted by bidders at the tender submission stage of project development are utilised as the best practical measure for establishing the degree of accuracy achieved. A large number of design price forecasting techniques are available to estimators. Many of the techniques used in the early stages of design are applicable for providing budget amounts for design control purposes, whilst others are more· appropriate for forecasting anticipated tender sums. Features of price forecasting requiring attention at all stages of design development are identified as: (i) the influence of uncertainty inherent in the process, (ii) data / information availability and management, and (iii) the utilization of tendering data by means of 'feedback' systems. The factors affecting the accuracy of price forecasts are examined by means of a literature study, opinion surveys of estimators and empirical research on the results of estimate /tender comparisons. The relevance of the question of pre-tender price forecasts is demonstrated by the results of the study which indicates that the accuracy and reliability of South African quantity surveyors' estimates produced at the tender stage is inferior to that generally found overseas and do not meet the expectations of architects and clients. The conclusions drawn from this study indicate a distinct potential for improvement in early design stage price management. 2020-05-29T13:22:29Z 2020-05-29T13:22:29Z 1992 2020-04-14T06:45:28Z Master Thesis Masters https://hdl.handle.net/11427/32013 eng application/pdf School of Architecture, Planning and Geomatics Faculty of Engineering and the Built Environment
spellingShingle Building
Estimates
Pearl, Robert Gilfillan
Factors affecting the accuracy of quantity surveyors pre-tender price forecasts in South Africa
thesis_degree_str Master's
title Factors affecting the accuracy of quantity surveyors pre-tender price forecasts in South Africa
title_full Factors affecting the accuracy of quantity surveyors pre-tender price forecasts in South Africa
title_fullStr Factors affecting the accuracy of quantity surveyors pre-tender price forecasts in South Africa
title_full_unstemmed Factors affecting the accuracy of quantity surveyors pre-tender price forecasts in South Africa
title_short Factors affecting the accuracy of quantity surveyors pre-tender price forecasts in South Africa
title_sort factors affecting the accuracy of quantity surveyors pre tender price forecasts in south africa
topic Building
Estimates
url https://hdl.handle.net/11427/32013
work_keys_str_mv AT pearlrobertgilfillan factorsaffectingtheaccuracyofquantitysurveyorspretenderpriceforecastsinsouthafrica