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«NOLO H EC G T Y• S C IEN CE• RE S EAR CH • NS HI O G I HL IG H TS• VI S The implementation of BIM within the public procurement A model-based ...»

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NOLO

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EC G

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S C IEN CE•

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S EAR CH

NS

HI

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I HL

IG H TS• VI S

The implementation of

BIM within the public

procurement

A model-based approach for the construction industry

Marzia Bolpagni

VTT TECHNOLOGY 130

The implementation of BIM within

the public procurement

A model-based approach for the construction

industry

Marzia Bolpagni

ISBN 978-951-38-8058-3 (URL: http://www.vtt.fi/publications/index.jsp)

VTT Technology 130 ISSN-L 2242-1211 ISSN 2242-122X (Online) Copyright © VTT 2013 JULKAISIJA – UTGIVARE – PUBLISHER VTT PL 1000 (Tekniikantie 4 A, Espoo) 02044 VTT Puh. 020 722 111, faksi 020 722 7001 VTT PB 1000 (Teknikvägen 4 A, Esbo) FI-02044 VTT Tfn +358 20 722 111, telefax +358 20 722 7001 VTT Technical Research Centre of Finland P.O. Box 1000 (Tekniikantie 4 A, Espoo) FI-02044 VTT, Finland Tel. +358 20 722 111, fax + 358 20 722 7001 The implementation of BIM within the public procurement A model-based approach for the construction industry L’utilizzo del BIM negli Appalti Pubblici. Un Approccio basato sulla Modellazione Digitale per il Settore Edile / Tietomallin käyttö julkisissa hankinnoissa. BIM-pohjainen lähestymistapa rakennusteollisuudelle.

Marzia Bolpagni. Espoo 2013. VTT Technology 130. 233 p.

Abstract Recently more and more Public Sectors have been paying close attention to save cost and, at the same time, improve efficiency. Usually, the Construction Industry has a relevant annual turnover, which represents an important part of the GDP for most of the EU countries and concerns in a large part the Public Sector. Thus, some Public Clients, such as UK, are adopting new strategies in order to improve the current situation. One of these strategies is Building Information Modelling (BIM), which forces all the parties involved in the process to adopt a collaborative approach reducing inefficiencies.

Moreover, also the European Parliament is going to encourage the BIM adoption to ‘modernise the procurement process and ensure greater efficiencies’. The EU Directive will be an important push to reform the EU Members’ Public Construction Procurement.

The aim of this M. Sc. Thesis is to analyse the possible implementation of BIM within the Public Procurement, especially how Model Checking can be applied within Tendering to verify the compliance between the Client’s requirements and the bid’s contents.

The first part presents both the most widespread Public Procurement Methods, such as Design-Bid-Build (DBB), Design-Build (DB), Construction Management (CM), Design-Build-Operate (DBO) and Design-Build-Finance-Operate (DBFO), as well as innovative kinds of Procurement Procedures, such as Integrated Project Delivery (IPD), Project Alliancing (PA), Cost Led Procurement (CLP), Integrated Project Insurance (IPI), Two Stage Open Book and Early BIM Partnering (EBP). A paragraph is dedicated to the drivers and the barriers of e-Procurement, which should be part of the Public Procurement strategy. Later, the main issues related to BIM are shown, such as current BIM Authorised Uses and Permitted Purposes, Interoperability and OpenBIM, along with BIM implementation in Public Sector of several countries (Singapore, USA, Finland, UK, Norway, Denmark, Netherlands, South Korea, Hong Kong, Australia, New Zealand, Iceland, Estonia, Sweden, Germany, China, Ireland, Taiwan and Italy) and the relation between e-Procurement and BIM. Additionally, the principal possibilities and challenges dealing with BIM adoption are presented. The following chapter is dedicated to the investigation of the possible BIM implementation in Tendering. Even if integrated procedures, such as IPD, seem to be the most suitable with BIM, a discussion of the BIM role in DBB and DB or Design Competitions is carried out, showing the main Client’s requirements, benefits for Bidders and Clients, together with limitations and possibilities. Thereafter, a paragraph illustrates Model Checking in the evaluation of design proposals. First, a short description of the main commercial software, which can support BIM-based tendering (such as Solibri Model Checker (SMC), EDM Model Server, dRofus, Affinity, dProfiler, Autodesk NavisWorks, Tekla BIMsight, Bentley Projectwise Navigator, Riuska, Autodesk Ecotect, EasyBIM, Vico Cost Planner and Mitchell Brandtman) is provided. Later, a list of the most common operations, which nowadays a Client could check in a BIM tender together with the main commercial software available, is shown. More emphasis has been given to the software SMC, since this study was mostly carried out testing it and some new rules have been created. Moreover, a comparison between the published version of Statsbygg Building Information Modelling Manual and the translated rule-sets in SMC is carried out to understand the possibilities and limitations of the software in order to check Client’s requirements. Another paragraph describes five case studies presented in literature to investigate the possible implementation of BIM in Tendering (cluster of University Buildings in Denmark, National Museum at Vestbanen in Oslo, Synergy Building in Helsinki, Office and Shopping Space in Canada and prison Cookham Wood in Rochester). Finally, the possible implementation of BIM in Tendering is tested on an Italian case study, a Theatre in Rimini, and a simulation of e-Tendering, adopting i-Faber e-Procurement platform, is investigated.





This study shows that nowadays BIM, and especially Model Checking, can be a useful support for Public Construction Procurement only if the Public Clients hold the control of the process and they are able to define clear requirements.

Keywords Building Information Modelling (BIM), Public Procurement Methods, Tendering, Model Checking, e-Procurement L’utilizzo del BIM negli Appalti Pubblici Un Approccio basato sulla Modellazione Digitale per il Settore Edile The implementation of BIM within the public procurement. A model-based approach for the construction industry / Tietomallin käyttö julkisissa hankinnoissa. BIM-pohjainen lähestymistapa rakennusteollisuudelle.

Marzia Bolpagni. Espoo 2013. VTT Technology 130. 233 p.

Abstract Ultimamente nel Settore Pubblico si assiste a un’attenzione sempre più accesa nel contenere le spese così come nella ricerca di processi più efficienti. Ogni anno il Settore delle Costruzioni, e in particolar modo il Settore Pubblico, registra un importante giro d’affari che costituisce buona parte del PIL di molte stati europei. Per questo motivo alcuni Governi, come quello britannico, stanno sviluppando nuove strategie per migliorare i processi tradizionali. Una di queste strategie è il Building Information Modelling (BIM), che spinge tutte le parti coinvolte nel processo ad adottare un atteggiamento collaborativo riducendo le inefficienze. Il Parlamento Europeo, inoltre, ha intenzione di incoraggiarne l’utilizzo per modernizzare l’iter degli appalti e garantire una maggiore efficienza. La direttiva europea sarà un importante stimolo per rinnovare gli Appalti Pubblici degli Stati Membri.

Lo scopo di questa Tesi è analizzare l’utilizzo del BIM negli Appalti Pubblici e, in particolare, studiare come il Model Checking, cioè la verifica di modelli BIM, possa essere applicato in fase di gara per verificare la conformità delle proposte dei concorrenti rispetto alle richieste della committenza.

Un primo capitolo è dedicato agli appalti pubblici di lavori più diffusi come l’appalto di sola esecuzione (DBB), appalti integrati (DB), contratti di concessione (DBO e DBFO) e Construction Management. Accanto a queste tipologie sono presentati anche alcuni approcci innovativi come l’Integrated Project Delivery (IPD), Project Alliancing (PA), Cost Led Procurement (CLP), Integrated Project Insurance (IPI), Two Stage Open Book ed Early BIM Partnering (EBP). Un paragrafo presenta i principali aspetti legati agli Appalti Elettronici (e-Procurement), che dovrebbero rientrare nelle strategie delle stazioni appaltanti. Il capitolo successivo descrive le principali caratteristiche del BIM come la sua storia, i campi di applicazione, l’interoperabilità e l’OpenBIM, oltre al suo sviluppo in diversi paesi (Singapore, USA, Finlandia, Regno Unito, Norvegia, Danimarca, Olanda, Corea del Sud, Hong Kong, Australia, Nuova Zelanda, Islanda, Estonia, Svezia, Germania, Cina, Irlanda, Taiwan e Italia) e al legame tra e-Procurement e BIM.

Inoltre, sono discussi le principali potenzialità e limiti legati all’implementazione del BIM. Il capitolo seguente studia come il BIM potrebbe essere utilizzato in fase di gara.

Sebbene approcci integrati, come l’IPD, siano più vantaggiosi in presenza di un processo BIM, in questa sede sono analizzati i casi più tradizionali di appalti di sola esecuzione (DBB), appalti integrati (DBB) e concorsi di architettura. Particolare attenzione è data alle esigenze dei committenti, ai vantaggi per i concorrenti e i committenti e alle potenzialità e limitazioni di questo approccio. In seguito, un paragrafo illustra il ruolo del Model Checking all’interno della valutazione delle offerte presentando i principali software disponibili sul mercato (come Solibri Model Checker (SMC), EDM Model Server, dRofus, Affinity, dProfiler, Autodesk NavisWorks, Tekla BIMsight, Bentley Projectwise Navigator, Riuska, Autodesk Ecotect, EasyBIM, Vico Cost Planner e Mitchell Brandtman). Inoltre, sono studiate le principali operazioni che una stazione appaltante può compiere per verificare la conformità delle offerte e i principali software disponibili, soffermandosi principalmente su SMC, con il quale sono stati eseguiti dei test e create nuove regole. Per meglio comprendere le potenzialità e criticità di SMC nel tradurre in rulesets regole scritte, si è comparata la versione cartacea del manuale BIM di Statsbygg con il relativo set di regole (rulesets) presente SMC. Il paragrafo successivo illustra cinque casi di studio presenti in letteratura dove il BIM è stato utilizzato in fase di gara (Stabili Universitari in Danimarca, Museo Nazionale a Oslo, Edificio a Helsinki, Uffici e Spazi commerciali in Canada e prigione Cookham Wood a Rochester). Infine, l’utilizzo del BIM in fase di gara è stato implementato su un progetto italiano, il teatro Galli di Rimini, e si è utilizzata la piattaforma di e-Procurement per la pubblica amministrazione di i-Faber.

Questo studio rivela che il BIM, e in particolar modo gli strumenti di Model Checking, possono essere fin da ora un valido supporto per gli Appalti Pubblici di lavori solo se le stazioni appaltanti detengono il controllo del processo e impostano la gara in modo chiaro e dettagliato.

Parole chiave Building Information Modelling (BIM), Appalti Pubblici di lavori, Fase di gara, Model Checking, Appalti Elettronici Tietomallin käyttö julkisissa hankinnoissa BIM-pohjainen lähestymistapa rakennusteollisuudelle The implementation of BIM within the public procurement. A model-based approach for the construction industry / L’utilizzo del BIM negli Appalti Pubblici. Un Approccio basato sulla Modellazione Digitale per il Settore Edile.

Marzia Bolpagni. Espoo 2013. VTT Technology 130. 233 s.

Tiivistelmä Julkinen sektori on viime aikoina alkanut kiinnittää yhä enemmän huomiota kustannusten säästämiseen ja samalla tehokkuuden parantamiseen. Rakennusteollisuuden tuotannon arvo on tärkeä osa bruttokansantuotetta (BKT) useimmissa EU-maissa, ja merkittävä osa siitä muodostuu julkiselta sektorilta. Tästä syystä rakentamisen julkiset tilaajat esimerkiksi Isossa-Britanniassa kehittävät uusia strategioita nykyisen tilanteen parantamiseksi. Yksi näistä strategioista on rakentamisen tietomallinnus (Building Information Modelling, BIM), joka pakottaa kaikki prosessin osapuolet omaksumaan yhteistyöhön perustuvan työskentelytavan, joka vähentää tehottomuutta. Lisäksi myös Euroopan parlamentti tulee kannustamaan tietomallien käyttöönottoon “hankitaprosessien nykyaikaistamiseksi ja tehokkuuden lisäämiseksi”. Kyseinen EU-direktiivi tulee olemaan tärkeä aloite EU:n jäsenmaiden julkisen rakentamisen hankintojen uudistamiseksi.

Tämän opinnäytetyön tavoitteena on analysoida tietomallin (BIM) mahdollista käyttöä julkisissa hankinnoissa, erityisesti miten BIM-pohjaista mallin tarkistamista voidaan käyttää tarjousvaiheessa tilaajan vaatimusten ja ehdotusten sisällön vastaavuuden varmistamiseen.

Ensin esitetelläänn yleisimmin käytetyt julkiset hankintamenetelmät, kuten perinteinen hankintamenetelmä (Design-Bid-Build DBB), suunnittelu-toteutus (Design-Build DB), projektinjohto (Construction Management CM), elinkaarimallit (Design-Build-Operate DBO ja Design-Build-Finance-Operate DBFO) sekä uusia innovatiivisia hankintamenettelyjä, kuten Integrated Project Delivery (IPD), Project Alliancing (PA), Cost Led Procurement (CLP), Integrated Project Insurance (IPI), Two Stage Open Book ja Early BIM Partnering (EBP). Yksi luku keskittyy sähköisen hankinnan ”draivereihin” ja esteisiin, joiden tulisi olla mukana julkisten hankintojen strategiassa. Tämän jälkeen esitetään tietomalleihin liittyvät keskeiset kysymykset, kuten mallien nykyinen käyttö, yhteensopivuus ja ”OpenBIM”, BIMin käyttöönotto julkisella sektorilla eri maissa (Singapore, USA, Suomi, Iso-Britannia, Norja, Tanska, Hollanti, Etelä-Korea, Hongkong, Australia, UusiSeelanti, Islanti, Viro, Ruotsi, Saksa, Kiina, Irlanti, Taiwan ja Italia) sekä sähköisen hankinnan ja tietomallien välinen yhteys. Lisäksi käsitellään tietomallien käyttöön ottoon liittyvät tärkeimmät mahdollisuudet ja haasteet. Seuraava luku käsittelee tietomallien mahdollista käyttöä tarjouskilpailuissa. Vaikka yhteistyöhön perustuvat menettelyt, kuten IPD, näyttävät olevan sopivin sopimusmalli tietomallia hyödyntävissä hankkeissa, keskustellaan tietomallin roolista perinteisessä (DBB) ja suunnittelu-toteutus (DB) hankkeissa sekä suunnittelukilpailuissa. Tuloksina esitetään tietomallien käyttöön liittyvät tilaajan tärkeimmät vaatimukset sekä hyödyt tarjoajille ja tilaajalle, yhdessä mallin käyttöön liittyvien rajoitteiden ja mahdollisuuksien kanssa. Tämän jälkeen omassa luvussaan havainnollistetaan mallin tarkistamista suunnitelmaehdotusten arvioinnissa.



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