9-13-26: IGCC GREEN CONSTRUCTION CODE AMENDMENT, SECTION 501.3.2 (5.3.2), STORMWATER POLLUTION PREVENTION PLAN AND PREDESIGN SITE INVENTORY AND ASSESSMENT:

Repeal section 501.3.2 (5.3.2), Predesign Site Inventory and Assessment, and replace with the following:

   501.3.2 (5.3.2) Stormwater Pollution Prevention Plan and Predesign Site Inventory and Assessment. Regardless of the size of the site, a written Stormwater Pollution Prevention Plan (SWPPP) that meets the minimum requirements as prescribed in the most current version of the IDEQ, IPDES Construction General Permit (CGP) for Discharge Activities, and a Predesign Site Inventory and Assessment shall be submitted and approved prior to construction. The implementation of an approved SWPPP shall be in compliance with the rules, regulations and standards prescribed in the Construction Site Erosion Control Ordinance of Boise

   City Code during all phases of construction. In addition to the CGP requirements, the plan must also include the following as appendices to the SWPPP as applicable:

      a.   Location of any prohibited development areas identified in Section 501.3.1.2 (5.3.1.2) that are located on or adjacent to the building project site.

      b.   Identification of and removal plan of invasive plant species on the site.

      c.   Identification of native plant species on the site, and percentage of existing native or adapted plants protected on the site.

      d.   Identification and management of site features designated for preservation (i.e., vegetation, trees, soil, waterways, unique features).

(Ord. 9-23, 3-7-2023)

9-13-27: IGCC GREEN CONSTRUCTION CODE AMENDMENT, SECTION 501.3.3.2 (5.3.3.2), GREENFIELD SITES:

Repeal section 501.3.3.2 (5.3.3.2), Greenfield Sites, and replace with the following:

   501.3.3.2 (5.3.3.2) Greenfield Sites. A minimum of 15% of the site shall be retained with existing native plants and/or adapted plants, or be redeveloped as vegetated area, or have a combination of both. Such vegetated areas can include bioretention facilities, rain gardens, filter strips, grass swales, vegetated level spreaders, constructed wetlands, planters, and open space with plantings.

   A minimum of 60% of the vegetated area shall consist of biodiverse planting of native plants, adaptive plants, and/or low water use vegetation, other than turfgrass.

      Exception: The following areas shall not be included in the 60% calculations: dedicated sports/athletic fields, recreational fields, parks, golf courses, driving ranges, areas dedicated for production of food for human consumption, burial grounds, vegetated pavers, minimum fire lanes required by the jurisdiction, and similar at the discretion of the code official.

(Ord. 9-23, 3-7-2023)

9-13-28: IGCC GREEN CONSTRUCTION CODE AMENDMENT, SECTION 501.3.4 (5.3.4), STORMWATER MANAGEMENT:

Repeal section 501.3.4 (5.3.4), Stormwater Management, and replace with the following:

   501.3.4 (5.3.4) Stormwater Management. Stormwater management systems shall comply with Title 10, Public Utilities, Chapter 6, Stormwater Management and Discharge Control, of City Code.

(Ord. 9-23, 3-7-2023)

9-13-29: IGCC GREEN CONSTRUCTION CODE AMENDMENT, DELETE SECTION 501.3.4.1 (5.3.4.1), PROJECTS ON GREENFIELDS:

Delete section 501.3.4.1 (5.3.4.1), Projects on Greenfields. (Ord. 9-23, 3-7-2023)

9-13-30: IGCC GREEN CONSTRUCTION CODE AMENDMENT, DELETE SECTION 501.3.4.2 (5.3.4.2), PROJECTS ON GREYFIELDS:

Delete section 501.3.4.1 (5.3.4.1), Projects on Greyfields. (Ord. 9-23, 3-7-2023)

9-13-31: IGCC GREEN CONSTRUCTION CODE AMENDMENT, DELETE SECTION 501.3.4.3 (5.3.4.3), DISCHARGE RATE:

Delete section 501.3.4.3 (5.3.4.3), Discharge Rate. (Ord. 9-23, 3-7-2023)

9-13-32: IGCC GREEN CONSTRUCTION CODE AMENDMENT, DELETE SECTION 501.3.4.4 (5.3.4.4), ADJOINING LOTS:

Delete section 501.3.4.4 (5.3.4.4), Adjoining Lots. (Ord. 9-23, 3-7-2023)

9-13-33: IGCC GREEN CONSTRUCTION CODE AMENDMENT, DELETE SECTION 501.3.4.5 (5.3.4.5), DISCHARGES FROM CONTAMINATED SOILS:

Delete section 501.3.4.5 (5.3.4.5), Discharges from Contaminated Soils. (Ord. 9-23, 3-7-2023)

9-13-34: IGCC GREEN CONSTRUCTION CODE AMENDMENT, DELETE SECTION 501.3.4.6 (5.3.4.6), COAL TAR SEALANTS:

Delete section 501.3.4.6 (5.3.4.6), Coal Tar Sealants. (Ord. 9-23, 3-7-2023)