Abstract
On-site management of construction waste commonly determines its destination. In the case of plasterboard (PB), on-site segregation becomes crucial for closed-loop recycling. However, PB is commonly mixed with other wastes in Spain. In this context, the involvement of stakeholders that can contribute to reversing this current situation is needed. This paper analyzes on-site waste management of PB in Spain through a pilot study of a construction site, with the main objective of identifying best practices to increase waste prevention, waste minimization, and the recyclability of the waste. On-site visits and structured interviews were conducted. The results show five management stages: PB distribution (I); PB installation (II); Construction waste storage at the installation area (III); PB waste segregation at the installation area (IV) and PB waste transfer to the PB container and storage (V). The proposed practices refer to each stage and include the merging of Stages III and IV. This measure would avoid the mixing of waste fractions in Stage III, maximizing the recyclability of PB. In addition, two requisites for achieving enhanced management are analyzed: ‘Training and commitment’ and ‘fulfilling the requirements established by the current regulation’. The results show that foremen adopted a more pessimistic attitude than installers towards a joint commitment for waste management. Moreover, not all supervisors valued the importance of a site waste management plan, regulated by the Royal Decree 105/2008 in Spain.
Highlights
Sustainable management of materials, products, and waste in construction works contribute to resource efficiency and quality recyclates
Five st agesOsphneccaeivfiaecgcaboienne,tantihneiedrsemfonartlPlifiBcoewndatasaitneseaartfwtfheaecscttoirnnasngtsrptuhocretitoeodnnsb-iytsei.ttheepcrraondeuocpteiroantorananddmemapntaiegdeimnteontht eof PB waste (Figure 1): (I) PB distribution; (II) PB installation; (III) Construction waste storage aFtivtehsetaginesshtaavlleabteioennidaernetiafie(ditacsaafnfebcteingsetheenonin-siFteigpruordeuc1tiotnhaantdmmeatnaalgeamnedntionfsPuBlwataisoten waste are mixed up w(FitighurPeB1.):B(Ie)nPeBadtihst,risbtuotcioknp(iinleFdigPurBe 1isPwB iasittrianngsfetrorebdefrionmsttahellsetdor)i;n(gIVpl)acPeBatwthae sctoenssterugcrtieognation at the site to the installation area in the second floor by using the crane); (II) PB installation; (III)
O(Fniegiunrsteal1le)r, epxrpoladinusctihnagt, damage in the producwt thhenatuesivnegnthtue acrlalyneb, tehceolmastePsBwoaf sthtee.pTalwletoispirnaccotnictaecst cwaitnh pthreevsleinngts t(hFiegugree n1)e,rpartoidounciongf waste: the transport ofdawmhaogeleinatnhde pproadcukcatgtheadt ePvBenptuaallllyetbsecaonmdesthweasutes.eTwofo apprapctriocepsrciaanteprmeveenatntshetogetnrearnatsiopnoorft the pallets waste: the transport of whole and packaged PB pallets and the use of appropriate means to transport within the cthoenpsatlrluetcstwioitnhinsitthee(cToanbstlreuc3ti)o.n site (Table 3)
Summary
Sustainable management of materials, products, and waste in construction works contribute to resource efficiency and quality recyclates. It involves the adoption of measures for waste prevention, on-site segregation of the unavoidable waste and separate collection. This sustainable management fits within the European strategy for the sustainable competitiveness of the sector [1], the European Union (EU) action plan for the Circular Economy [2] and the EU targets on construction and demolition (C&D) waste [3]. Crushing converts the PB waste into gypsum powder and sieving separates the paper waste and potential impurities from the recycled gypsum
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