30	Replacing in kind an entire entrance, porch or balcony from the restoration period that is too deteriorated to repair, using the physical evidence as a model to reproduce the assembly. The new work should be well documented and unobtrusively dated to guide future research and treatment.	Removing an irreparable entrance, porch or balcony from the restoration period and not replacing it, or replacing it with an inappropriate entrance, porch or balcony. Reinstating an entrance, porch or balcony detail that is damaging to character-defining elements
REMOVING EXISTING FEATURES FROM OTHER PERIODS
31	Removing or altering a non character-defining entrance, porch or balcony from a period other than the restoration period.	Failing to remove a non character-defining entrance, porch or balcony from another period that confuses the depiction of the building's chosen restoration period.
32	Retaining alterations to entrances, porches or balconies that address problems with the original design, if those alterations do not have a negative impact on the building's heritage value.	Removing alterations to an entrance, porch or balcony that serve an important function in the building's ongoing use, such as a ramp or handrail.
RECREATING MISSING FEATURES FROM THE RESTORATION PERIOD
33	Recreating a missing entrance, porch or balcony, or one of its features, from the restoration period, based on physical or documentary evidence; for example, duplicating a fanlight or porch column.	Constructing an entrance, porch or balcony that was part of the building's original design but was never actually built, or a feature thought to have existed during the restoration period but for which there is insufficient documentation
Wood
10	Ensuring that new coatings are physically and visually compatible with the surface to which they are applied in durability, chemical composition, colour and texture.
Masonry
13	Repairing masonry by repointing the mortar joints where there is evidence of deterioration, such as disintegrating or cracked mortar, loose bricks, or damp walls.	Removing sound mortar.
14	Removing deteriorated or inappropriate mortar by carefully raking the joints, using hand tools or appropriate mechanical means to avoid damaging the masonry.	Using rotary grinders or electric saws to fully remove mortar from joints before repointing. In some instances it may be acceptable to make a single pass with a cutting disk to release tension in the mortar before raking the joint. Extreme caution must be used to prevent accidental damage.