The document provides instructions for students completing an assessment to install a sliding cavity door. It includes:
1) An overview of the assessment task which requires students to plan, install a cavity slider unit and door, and clean up.
2) Detailed work instructions on installing the cavity sliding door unit, hanging the door, fitting door furniture, and cleaning up.
3) An observation checklist the assessor will use to evaluate students' skills in areas like planning, tool selection, safety, and installation quality.