C9-Stormwater_Quality_-_GSI_BMP_SOW_.pdf
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- Attached to
- 2025-27 On-Call Consultant Services (OCCS)
- Solicitation number
- MISC24-12
- Issued by
- Ada County, Idaho
About this file
This is a Scope of Work (SOW) document for the Ada County Highway District's (ACHD) On-Call Consultant Services Procurement, specifically for the C9: Stormwater Quality - Green Stormwater Infrastructure category. ACHD is seeking qualified consultants to support its green stormwater infrastructure program and assist in implementing two National Pollutant Discharge Elimination System (NPDES) permits covering Boise, Garden City, Meridian, Eagle, and urbanized unincorporated Ada County. The document outlines five specific service areas for consultants: (1) concept and design of vegetated green stormwater infrastructure (GSI) including bioretention swales and planters, (2) concept and design of constructed stormwater wetlands and vegetated wet basins, (3) concept and design of permeable pavement, (4) concept and design of stormwater tree cells, and (5) development of policy and guidance for GSI best management practices.
Consultants must possess a minimum of a Bachelor's degree in a related field, hold a Professional Engineering or Landscape Architecture license, have at least five years of experience in green stormwater infrastructure, and demonstrate a strong understanding of soil science and hydrology. The procurement is part of ACHD's three-year cycle for establishing an On-Call Consultant Services List, with the upcoming list set to be effective from October 1, 2024, to September 30, 2027. Interested firms are required to submit a Statement of Qualifications (SoQ) electronically through the OpenGov online portal, with submissions needing to address both the overall On-Call Consultant Services project and specific category requirements.
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Text version
On-Call Consultant Services Procurement
Revised 5/10/2024 1
C9: Stormwater Quality - Green Stormwater Infrastructure
Consultants responding to the Stormwater Quality – Green Stormwater Infrastructure C9 Category must declare in their Statement of Qualifications the service(s) for which they are submitting as listed below.
Ada County Highway District (ACHD) seeks consultants to support ACHD’s green stormwater infrastructure program. Services provided by consultant will assist ACHD in implementing aspects of ACHD’s two (2) National Pollutant Discharge Elimination System (NPDES) permits which cover the areas of Boise, Garden City, Meridian, Eagle, and urbanized unincorporated Ada County. The MS4 permits can be found using the following Internet links:
Consultants possessing local experience and expertise with an emphasis on green stormwater infrastructure (GSI) and stormwater quality are sought with the following qualifications:
• A minimum of a Bachelor’s degree in a related field
• Professional Engineering license or Landscape Architecture license required as applicable.
• A minimum five years of experience in green stormwater infrastructure; and
• Good understanding of soil science and hydrology/hydrogeology as it relates to
GSI.
Consultants possessing local experience and expertise with an emphasis on green stormwater infrastructure (GSI) and stormwater quality are sought for the following services. Consultant proposal should indicate which service(s) the consultant is submitting for.
1. Concept and design of vegetated GSI including: bioretention swales and bioretention planters and vegetated dry basins. Work requires strong knowledge and experience with stormwater facility vegetation and revegetation including use of appropriate GSI plant materials including native dryland flora.
2. Concept and design of constructed stormwater wetlands and vegetated wet basins. Work requires robust knowledge and experience with stormwater facility vegetation and revegetation including use of appropriate GSI plant materials including wetland flora.
On-Call Consultant Services Procurement
Revised 5/10/2024 2
3. Concept and design of permeable pavement including permeable pavers, permeable asphalt, and permeable concrete.
4. Concept and design of stormwater tree cells (suspended pavement with stormwater component).
5. Development of policy and guidance for GSI best management practices
(BMP’s).
File details come from the government source that posted it. Updated .