Services

- Building Permit (BP) plans
- Street Improvement Permit (SIP) plans
- Stormwater Plans & Reports
  - On-site Stormwater Management design and Best Management Practice (BMP) selection
  - Low Impact Development (LID) & Green Stormwater Infrastructure integration
  - Stormwater conveyance pipe, flow control (Detention), and water quality treatment design
  - Drainage Reports
  - Memorandum of Drainage Control (MDC) preparation
- Construction Stormwater Control (CSC) Plans & TESC Plans
- Side sewer design and Side Sewer Evaluations
- Experience working with many City of Seattle departments, such as: SDOT, SPU, SDCI, DSO, etc.
- Drainage Plans
- Drainage Reports
- Stormwater management and Best Management Practices (BMP) design
- Green Stormwater & Low Impact Development (LID)
  - Rain Garden and Bioretention design
  - Infiltration systems
  - Permeable Pavements
- Stormwater conveyance (pipe) design
- Stormwater flow control (Detention) design
- Stormwater water quality treatment design
- Watershed Analysis
- Group A and Group B System Design and Planning
  - Water Source (well) procurement and permitting
  - Developer Main Extensions
  - Water Distribution & Pumping Design
  - Water Storage reservoirs/tanks
  - Water Quality Treatment design
  - Permitting
- 2-Party well system and individual well system design
- Water System Capacity Analysis
- Funding and Loan Assistance
- Comprehensive Planning Document Development:
  - Water System Plans (WSPs)
  - Capital Improvement Plans
  - Wellhead Protection Plans
  - Group B Management Plans ("Workbook")
  - etc!
- Septic system design
- Sewer conveyance (pipe) design
- Side Sewer Evaluations
- Construction documents: Plans, Specifications, & Cost Estimates
- Permit and Code Compliance
- Site Development Engineering
- Utility Infrastructure Design
- Feasibility Analysis of civil site design
- Erosion and Sediment Control Plans
- Stormwater Pollution Prevention Plans (SWPPPs)
- Grading Plans
- Grading, paving, and earthwork design
- Frontage Improvement design (i.e. curbs, sidewalks, etc)
- ADA curb ramp design
- Hydrologic & Hydraulic (Stormwater) modeling
- WWHM, HydroCAD, MGS Flood
- EPA-Net - Water Distribution System modeling
- Computer Aided Design (CAD) drafting
- Geographic Information System (GIS) mapping
- Drainage Reports
- Technical Information Reports (TIRs)
- Comprehensive Water System Planning Document Development
- Storm Water Pollution Prevention Plans (SWPPPs)
- Operation and Maintenance Manuals
- Environmental compliance, including preparation of environmental checklists. (SEPA, etc)
- Value engineering
- Project-team coordination
- Permit Support
- Bidding Support
- Construction Support

Jurisdictions we have past experience working within:

King County

Seattle

Bellevue

Renton

Tacoma

Mercer Island

Sammamish

Yarrow Point

Auburn

Federal Way

Sumner

Snohomish

Lakewood

Clyde Hill

SeaTac

Shoreline

Seattle Departments

Seattle Department of Transportation (SDOT)

Seattle Public Utilities (SPU)

Seattle Department of Construction & Inspections (SDCI)

Development Services Office (DSO)

WA Department of Health (DOH)

& Local Health Jurisdictions (LHJs)

Island County

City of Langley

Town of Coupeville

Island County Public Health

Snohomish County

Mountlake Terrace

Edmonds

Infiltration Trench Engineering Drawing Detail

Rain Shadow Engineering offers full-service professional civil engineering design and consulting services in Land Development, Stormwater & Drainage Design, and Drinking Water System Design.