The seal and electronically-protected signature are contained on each sheet, or.

Paper plans must contain the seal, date and signature on each sheet.

The signature and date shall appear through the seal.

Seals shall have a diameter equal to 1-5/8 inches.

Signatures and seals must be in accordance the Colorado Department of Regulatory Agencies (DORA), Article 120.

The Building Official is permitted to require sealed drawings regardless of the requirements above.

Alterations to a building of any group provided structural, egress or other life-safety systems are not affected.

One-story buildings with an occupant load of 10 or less in Groups B, F-1, F-2, S-1, S-2 or U.

Groups R-2 up to four dwelling units, R-3 and residential buildings designed per the IRC.

Drawings shall be signed and sealed by a Colorado-registered architect or professional engineer for all buildings except for the following:.

For commercial projects, a key plan indicating location of work.

If disturbing land, a site-related plan showing the location of the building on the site and corresponding landscaping plan.Minimum scale of ⅛'=1'-0' for commercial plans and ¼'=1'-0' for residential plans.Local design criteria used in the design.When applying for a building permit, the following requirements must be included in the submitted building plans and related construction documents.

Designer city building