| Steps | Identified Issues |
|---|---|
| Transport to the central mixer. | Bagged material loss. Bagged material not picked-up after the end of the service in the pavement. |
| Conditioning close to the central mixer. | Using the bagged material in other services. |
| Mortar mixture. | Final mixing consistency unsuitable for projection. Produced volume higher than demand. |
| Mortar application. | Clogging (hose). Deregulated output pressure (possibility). |