{"id":"https://openalex.org/W2807799100","doi":"https://doi.org/10.18820/24150487/as25i1.2","title":"An assessment of the causes, cost effects and solutions to design-error- induced variations on selected building projects in Nigeria","display_name":"An assessment of the causes, cost effects and solutions to design-error- induced variations on selected building projects in Nigeria","publication_year":2018,"publication_date":"2018-06-14","ids":{"openalex":"https://openalex.org/W2807799100","doi":"https://doi.org/10.18820/24150487/as25i1.2","mag":"2807799100"},"language":"en","primary_location":{"id":"doi:10.18820/24150487/as25i1.2","doi":"https://doi.org/10.18820/24150487/as25i1.2","is_oa":true,"landing_page_url":"https://doi.org/10.18820/24150487/as25i1.2","pdf_url":"http://journals.ufs.ac.za/index.php/as/article/download/3439/3272","source":{"id":"https://openalex.org/S2764665916","display_name":"Acta Structilia","issn_l":"1023-0564","issn":["1023-0564","2415-0487"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["dhet","doaj","jpps-2","norway-1","poland-20","russia-white-list-3","scielo"],"host_organization":"https://openalex.org/P4310315345","host_organization_name":"University of the Free State","host_organization_lineage":["https://openalex.org/P4310315345"],"host_organization_lineage_names":["University of the Free State"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Acta Structilia","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"http://journals.ufs.ac.za/index.php/as/article/download/3439/3272","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086616922","display_name":"OLUWASEUN SUNDAY DOSUMU","orcid":"https://orcid.org/0000-0002-9730-3598","observed_orcids":["https://orcid.org/0000-0002-9730-3598"]},"institutions":[{"id":"https://openalex.org/I197610006","display_name":"University of Lagos","ror":"https://ror.org/05rk03822","country_code":"NG","type":"education","lineage":["https://openalex.org/I197610006"]}],"countries":["NG"],"is_corresponding":true,"raw_author_name":"Oluwaseun Dosumu","raw_affiliation_strings":["University of Lagos, Nigeria"],"raw_orcid":"https://orcid.org/0000-0002-9730-3598","affiliations":[{"raw_affiliation_string":"University of Lagos, Nigeria","institution_ids":["https://openalex.org/I197610006"]}]},{"author_position":"last","author":{"id":null,"display_name":"Clinton Aigbavboa","orcid":"https://orcid.org/0000-0003-2866-3706","observed_orcids":["https://orcid.org/0000-0003-2866-3706"]},"institutions":[{"id":"https://openalex.org/I24027795","display_name":"University of Johannesburg","ror":"https://ror.org/04z6c2n17","country_code":"ZA","type":"education","lineage":["https://openalex.org/I24027795"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Clinton Aigbavboa","raw_affiliation_strings":["University of Johannesburg, South Africa"],"raw_orcid":"https://orcid.org/0000-0003-2866-3706","affiliations":[{"raw_affiliation_string":"University of Johannesburg, South Africa","institution_ids":["https://openalex.org/I24027795"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5086616922"],"corresponding_institution_ids":["https://openalex.org/I197610006"],"apc_list":null,"apc_paid":null,"fwci":1.1431,"has_fulltext":true,"cited_by_count":24,"citation_normalized_percentile":{"value":0.79690955,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"25","issue":"1","first_page":"40","last_page":"70"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10395","display_name":"Construction Project Management and Performance","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10395","display_name":"Construction Project Management and Performance","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11006","display_name":"BIM and Construction Integration","score":0.0013000000035390258,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14058","display_name":"Value Engineering and Management","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/1408","display_name":"Strategy and Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/design-errors","display_name":"design errors","score":0.9480000138282776},{"id":"https://openalex.org/keywords/construction-variations","display_name":"construction variations","score":0.6380000114440918},{"id":"https://openalex.org/keywords/building-construction-projects","display_name":"building construction projects","score":0.878000020980835},{"id":"https://openalex.org/keywords/construction-drawings","display_name":"construction drawings","score":0.7459999918937683},{"id":"https://openalex.org/keywords/model-misspecification","display_name":"model misspecification","score":0.781000018119812},{"id":"https://openalex.org/keywords/change-orders","display_name":"change orders","score":0.7820000052452087},{"id":"https://openalex.org/keywords/contract-documents","display_name":"contract documents","score":0.6430000066757202}],"concepts":[{"id":"https://openalex.org/C2778334786","wikidata":"https://www.wikidata.org/wiki/Q1586270","display_name":"Variation (astronomy)","level":2,"score":0.8479669094085693},{"id":"https://openalex.org/C56666940","wikidata":"https://www.wikidata.org/wiki/Q788790","display_name":"Documentation","level":2,"score":0.6112199425697327},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5072965025901794},{"id":"https://openalex.org/C186027771","wikidata":"https://www.wikidata.org/wiki/Q4008379","display_name":"Valuation (finance)","level":2,"score":0.4695867896080017},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","level":1,"score":0.21322211623191833},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.15779200196266174},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.18820/24150487/as25i1.2","doi":"https://doi.org/10.18820/24150487/as25i1.2","is_oa":true,"landing_page_url":"https://doi.org/10.18820/24150487/as25i1.2","pdf_url":"http://journals.ufs.ac.za/index.php/as/article/download/3439/3272","source":{"id":"https://openalex.org/S2764665916","display_name":"Acta Structilia","issn_l":"1023-0564","issn":["1023-0564","2415-0487"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["dhet","doaj","jpps-2","norway-1","poland-20","russia-white-list-3","scielo"],"host_organization":"https://openalex.org/P4310315345","host_organization_name":"University of the Free State","host_organization_lineage":["https://openalex.org/P4310315345"],"host_organization_lineage_names":["University of the Free State"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Acta Structilia","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:96ad5e061ffd4339bd7d0e646d5194ed","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/96ad5e061ffd4339bd7d0e646d5194ed","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Acta Structilia, Vol 25, Iss 1, Pp 40-70 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.18820/24150487/as25i1.2","doi":"https://doi.org/10.18820/24150487/as25i1.2","is_oa":true,"landing_page_url":"https://doi.org/10.18820/24150487/as25i1.2","pdf_url":"http://journals.ufs.ac.za/index.php/as/article/download/3439/3272","source":{"id":"https://openalex.org/S2764665916","display_name":"Acta Structilia","issn_l":"1023-0564","issn":["1023-0564","2415-0487"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["dhet","doaj","jpps-2","norway-1","poland-20","russia-white-list-3","scielo"],"host_organization":"https://openalex.org/P4310315345","host_organization_name":"University of the Free State","host_organization_lineage":["https://openalex.org/P4310315345"],"host_organization_lineage_names":["University of the Free State"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Acta Structilia","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2807799100.pdf","grobid_xml":"https://content.openalex.org/works/W2807799100.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W75358022","https://openalex.org/W1539265701","https://openalex.org/W1914972138","https://openalex.org/W1972629248","https://openalex.org/W1989818528","https://openalex.org/W2012193784","https://openalex.org/W2026693449","https://openalex.org/W2028364913","https://openalex.org/W2039081789","https://openalex.org/W2071574270","https://openalex.org/W2074309917","https://openalex.org/W2086064818","https://openalex.org/W2096516646","https://openalex.org/W2109518333","https://openalex.org/W2131998220","https://openalex.org/W2142082070","https://openalex.org/W2182247677","https://openalex.org/W2186731828","https://openalex.org/W2187613348","https://openalex.org/W2239306219","https://openalex.org/W2326652955","https://openalex.org/W2470806213","https://openalex.org/W2525535796","https://openalex.org/W2737421972","https://openalex.org/W2899108003","https://openalex.org/W3040853618","https://openalex.org/W6635863832","https://openalex.org/W6755439393","https://openalex.org/W6990422071"],"related_works":["https://openalex.org/W2746349497","https://openalex.org/W1861463960","https://openalex.org/W2904114834","https://openalex.org/W4411095241","https://openalex.org/W2126868990","https://openalex.org/W2132035606","https://openalex.org/W2026693449","https://openalex.org/W2945184027","https://openalex.org/W4417483177","https://openalex.org/W2767272216"],"abstract_inverted_index":{"Design":[0,190],"errors":[1,46,137,185,191,212],"and":[2,11,59,72,106,120,130,141,151,160,177,204,218,250,271],"variations":[3,30,140],"are":[4,31,167,182],"inherently":[5],"part":[6],"of":[7,24,28,38,53,101,135,162,171,196,200,211,263,273],"many":[8],"construction":[9,93,113,251,260],"projects":[10,105],"require":[12],"deliberate":[13],"effort":[14],"to":[15,49,61,80,95,108,139,188,225,255,267,281],"combat.":[16],"The":[17,145,153,228],"literature":[18],"reviewed":[19],"indicates":[20],"that":[21,47,156,186,231],"empirical":[22],"studies":[23],"the":[25,36,43,51,82,86,99,133,168,197,208,222,278],"cost":[26,199],"effect":[27],"design-error-induced":[29,62,109,282],"scarce.":[32],"This":[33],"study":[34,75,154,229],"investigates":[35],"causes":[37,100,170],"variation":[39,57,63,102,110,198,226,232,283],"on":[40,56,98,103,111,259],"building":[41,76,104,112,201],"projects,":[42],"frequent":[44],"design":[45,54,65,136,165,175,184,214,264],"lead":[48],"variation,":[50],"effects":[52],"error":[55],"cost,":[58],"solutions":[60,107,280],"in":[64,174,180,248,284],"documents.":[66,286],"A":[67],"mixed":[68],"methods":[69],"research":[70],"(interviews":[71],"30":[73],"case":[74],"projects)":[77],"was":[78,147],"used":[79,131],"collect":[81],"necessary":[83],"data":[84,146],"for":[85,132,193],"study.":[87],"Interviews":[88],"were":[89,124,246,253,276],"conducted":[90],"with":[91,149],"25":[92],"professionals":[94,252],"obtain":[96],"information":[97],"projects.":[114,202,261],"Thirty":[115],"documents":[116,123,166,220,265],"including":[117],"valuation":[118],"breakdowns":[119],"variation/change":[121],"order":[122],"obtained":[125],"by":[126],"convenience":[127],"sampling":[128],"technique":[129],"extraction":[134],"leading":[138],"their":[142,256],"associated":[143],"costs.":[144],"analysed":[148],"frequencies":[150],"percentages.":[152],"found":[155],"poor":[157],"working":[158],"drawing":[159],"lack":[161],"coordination":[163],"among":[164,213,277],"major":[169],"variation.":[172,189],"Errors":[173],"calculations":[176],"wrong":[178],"descriptions":[179],"specifications":[181],"prominent":[183],"led":[187],"account":[192],"roughly":[194],"36%":[195],"Structural":[203],"architectural":[205],"drawings":[206],"contain":[207],"largest":[209],"number":[210],"documents,":[215],"but":[216],"electrical":[217],"mechanical":[219],"have":[221],"highest":[223],"contribution":[224],"cost.":[227],"concluded":[230],"costs":[233],"could":[234],"be":[235],"minimized":[236],"if":[237],"government":[238],"policies,":[239],"aimed":[240],"at":[241],"ensuring":[242],"proper":[243],"contract":[244],"documentation,":[245],"put":[247],"place,":[249],"limited":[254],"core":[257],"roles":[258],"Rechecking":[262],"prior":[266],"use,":[268],"knowledge":[269],"sharing,":[270],"use":[272],"computer":[274],"programs":[275],"recommended":[279],"project":[285]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2018-06-21T00:00:00"}
