Table 3: Neighborhood feedback during the construction
Neighborhood positive |
Nov / 12 |
Dec / 12 |
Jan / 13 |
Feb / 13 |
Mar / 13 |
Apr / 13 |
May / 13 |
Total |
feedback or claims |
|
|
|
|
|
|
|
|
Positive feedback |
1 |
1 |
|
|
|
|
1 |
3 |
Noisy claims |
|
|
|
|
|
1 |
|
1 |
Particulate emission claims |
|
1 |
|
|
|
|
|
1 |
Neighbour house damages |
2 |
2 |
|
1 |
1 |
|
|
6 |
Dirty claims |
1 |
1 |
1 |
|
|
|
|
3 |
Table 4 shows the findings for the monitoring of low impact environmental good practices from July to October 2013, according to the indicators, good practices and criteria aforementioned at Table 2.
Table 4: Monitoring of low-impact environmental good practice indicators per month |
Indicators |
Jul / 13 |
Aug / 13 |
Sep / 13 |
Oct / 13 |
Average |
Material, Water and Energy Consumption Index |
71 % |
54 % |
89 % |
50 % |
66 % |
Solid Waste Index |
80 % |
80 % |
73 % |
80 % |
78 % |
Water, Soil and Air Pollution Index |
80 % |
85 % |
93 % |
60 % |
80 % |
Temporary Facilities Index |
73 % |
86 % |
67 % |
91 % |
79 % |
Health and Safety Index |
75 % |
86 % |
71 % |
79 % |
78 % |
Outdoor Quality Index |
78 % |
84 % |
89 % |
89 % |
85 % |
Low-impact Environmental Good Practice Index |
76 % |
79 % |
80 % |
75 % |
78 % |
Difficulty in meeting the consumption items criteria was found. Despite data on water and energy consumption having been collected on a monthly basis, the dissemination of these onto workers was not a routine. Often the storage of materials was also not appropriate. From the material purchase viewpoint, the project team faced difficulties in finding material factories near to the city of Salvador, such as high flag ash cement, ceramic tiles, aluminum composites and glass. It is therefore necessary to incentivize local industries.
Due to a structured waste program under an external consulting, almost 80 % of the practices were systematically implemented during the study. One of the difficulties was concerned with plaster waste, as despite the obligation imposed by CONAMA Resolution N. 307( CONAMA 2002), there is to date, no industry to receive plaster residue in Salvador, so it is was sent to a dangerous waste landfill. Another important consideration is that waste management requires continual monitoring and training in order to ensure correct segregation. Often waste was found mixed together therefore requiring more bins located in strategic work areas to promote reuse within the jobsite. At times subcontractors showed a resistance in adapting to the contractor sustainable construction policies. Even with daily training on waste management and other practices emphasizing importance, the construction site had some difficulties in making the workers participate, due to the high employee turnover. Contact was made with the subcontractor managers to enforce employee commitment, thus confirming the need to determine measures and include previously agreed contract terms guaranteeing adherence to best practices and project policies when hiring subcontractors.
Concerning pollution, an evolution in the implementation of good practices until September 2013 was noted. The recurrent problems identified were the non use of plastic construction safety nets and often the production team did not wet areas during production activities and when sweep-
428 ZEMCH 2015 | International Conference | Bari- Lecce, Italy