Substantial completion means the work is ready for its intended use, even though some minor items may remain. In practice this is when the project is handed over with a small punch list of finish tasks that the contractor will complete after occupancy. This allows the owner to begin using the space and demonstrates that the major systems and spaces are functioning as designed, while the remaining items are non-critical and finish work rather than essential operations. It’s not about having all payments released or final, and occupancy isn’t guaranteed to be immediate in all cases. The contractor also isn’t released from all obligations at this point; they continue to complete the punch list and address warranties until final completion and any defect liability periods are satisfied.

Moisture control is the main idea being tested. Damp proofing in a cement plaster coating is aimed at preventing moisture from moving through the wall and into interior spaces. Masonry and plaster are porous, and moisture can travel upward from the ground or laterally through capillary action. A damp-proof barrier—such as a damp-proof course or moisture-resistant coating—acts as a barrier to that water movement, protecting the plaster, finishes, and interior conditions from dampness, staining, mold, and deterioration. While damp-proofing can influence appearance or interact with overall thermal performance, its primary purpose is to block moisture intrusion. It does not address fire resistance or thermal insulation, which are achieved by other design strategies.

Division numbers in the CSI MasterFormat map to broad product groups, and Division 11 is the Equipment domain. This division covers equipment installed in a project that isn’t part of the building fabric or finishes, such as various types of built-in or fixed equipment that supports operation and use of the space (for example, kitchen equipment, laboratory equipment, or other specialized devices). It’s distinct from furnishings, which are movable or decorative items like furniture and window treatments, and from finishes, which cover surface treatments like paint, flooring, and wall coverings. Special Construction deals with unique or nonstandard construction systems, not general equipment. So Division 11 corresponds to Equipment.

Division 7 focuses on Thermal and Moisture Protection. This category covers the parts of a building that control heat flow and moisture movement, including insulation, vapor barriers, roofing, waterproofing, and air barriers. It's the group where you specify assemblies and methods that keep the building warm in winter, cool in summer, and protected from water intrusion. Finishes, Openings, and Equipment pertain to other aspects of construction, so they’re not the right match for this division.