Grand Canyon Drainage Master Plan and Water Use Study National - - PowerPoint PPT Presentation

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Grand Canyon Drainage Master Plan and Water Use Study National - - PowerPoint PPT Presentation

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Grand Canyon Drainage Master Plan and Water Use Study National Planning Advisory Committee Meeting #2 Park January 31, 2019 Airport PAC Meeting #2 January 31, 2019 Introductions Project Overview Summary of Findings Draft

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PAC Meeting #2 – January 31, 2019

Grand Canyon National Park Airport

Drainage Master Plan and Water Use Study

Planning Advisory Committee Meeting #2 January 31, 2019

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PAC Meeting #2 – January 31, 2019

AGENDA

  • Introductions
  • Project Overview
  • Summary of Findings – Draft Data

Collection and Existing Conditions Report

  • Improvement Alternatives
  • Next Steps
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PAC Meeting #2 – January 31, 2019

INTRODUCTIONS

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PAC Meeting #2 – January 31, 2019

PROJECT TEAM

  • Matthew Smith (ADOT, Airport Manager)
  • Lee McCleary (ADOT, Past Airport Manager)
  • Bob Haneline (Dibble, Project Manager)
  • Charlie McDermott (Dibble, Sr. Airport Planner)
  • Nanette Pageau (Kaneen Communications,

Public Outreach)

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PAC Meeting #2 – January 31, 2019

PAC AGENCY MEMBERS

Arizona Department of Transportation Arizona Game & Fish Arizona State Land Department Coconino County Federal Aviation Administration Grand Canyon Airlines Grand Canyon National Park Grand Canyon National Park Airport Havasupai Tribe KT Consulting, LLC Hydro Resources Maverick Airlines National Park Service Papillon Grand Canyon Helicopters Sierra Club Sierra Club, Grand Canyon Chapter Town of Tusayan USDA Forest Service – Kaibab National Forest

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PAC Meeting #2 – January 31, 2019

PROJECT OVERVIEW & GOALS

  • Drainage Master Plan
  • Develop an FAA-compliant Drainage

Master Plan

  • Water Use Study
  • Estimate Future Water Demands

(matching 2017 Airport Master Plan)

  • Evaluate Alternatives for Providing

Increased Potable Water Source(s)

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PAC Meeting #2 – January 31, 2019

PROJECT PHASES

  • Data Collection and Existing

Conditions Analysis

  • Alternatives Analysis and Drainage

Master Plan, Water Use Recommendations

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PAC Meeting #2 – January 31, 2019

NEW AIRPORT MASTER PLAN

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PAC Meeting #2 – January 31, 2019

DATA COLLECTION AND EXISTING CONDITIONS ANALYSIS REPORT

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PAC Meeting #2 – January 31, 2019

WATERSHED

  • 16 Square Mile Area
  • Mostly Forest Cover
  • 2 Subbasins

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PAC Meeting #2 – January 31, 2019

PROJECT ALTERNATIVES

  • North Area Drainage (2)
  • Infield Culvert Locations (3)
  • Taxiway ‘P’ Pavement Weeping (3)
  • Rain Tank relocation (2)
  • Stormwater Harvesting (3)
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PAC Meeting #2 – January 31, 2019

NORTH AREA DRAINAGE

  • ALT. 1 – INFIELD AREA NEW CULVERT
  • text

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PAC Meeting #2 – January 31, 2019

NORTH AREA DRAINAGE

  • ALT. 2 – INFIELD AREA NEW CHANNEL
  • text

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PAC Meeting #2 – January 31, 2019

INFIELD CULVERT LOCATIONS

  • Six Culverts Located in Runway Safety Area

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PAC Meeting #2 – January 31, 2019

INFIELD CULVERT LOCATIONS

ALTS 1, 2 AND 3

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PAC Meeting #2 – January 31, 2019

TAXIWAY ‘P’ PAVEMENT WEEPING

  • Likely due to shallow seasonal groundwater

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PAC Meeting #2 – January 31, 2019

TAXIWAY ‘P’ PAVEMENT WEEPING

  • Install 9,100 feet of Underdrain

Systems at Pavement Edge.

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PAC Meeting #2 – January 31, 2019

TAXIWAY ‘P’ PAVEMENT WEEPING

ALTERNATIVES 1, 2 AND 3

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Alternative 1 Geocomposite Strip Drains Alternative 2 Trench Drains Alternative 2 Perforated Storm Drains

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PAC Meeting #2 – January 31, 2019

RAIN TANK RELOCATION

  • Runway Extension
  • Wildlife Attractant
  • National Wetland Inventory

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PAC Meeting #2 – January 31, 2019

RAIN TANK RELOCATION

  • ALT. 1 – RELOCATION WITH INVERTED SIPHON

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PAC Meeting #2 – January 31, 2019

RAIN TANK RELOCATION

  • ALT. 2 – RELOCATION WITHOUT INVERTED SIPHON

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PAC Meeting #2 – January 31, 2019

CURRENT WATER USAGE

  • Estimated Annual Usage (2008-217) = 1.5 million gallons per year

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PAC Meeting #2 – January 31, 2019

FUTURE WATER USAGE

Based on Airport Master Plan

  • Short Term (2018-2022)

1.57M Gallons per Year

  • Intermediate Term (2022-2027)

2.89M Gallons per Year

  • Long Term (2028-2037)

4.31M Gallons per Year

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PAC Meeting #2 – January 31, 2019

FORMER & CURRENT WATER SUPPLY

  • Formerly Collected from Infield

Catchment Area

  • Now from Hydro Resources
  • Reclaimed Water Used by One

Tenant

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PAC Meeting #2 – January 31, 2019

WATER TREATMENT SYSTEM

  • Designed to Treat Surface Water
  • Re-Use is Feasible

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PAC Meeting #2 – January 31, 2019

STORMWATER HARVESTING

  • ALT. 1 – INFIELD STORAGE AREA
  • Collect Stormwater from 25 acres
  • Pump from Underground

Structure in Infield

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PAC Meeting #2 – January 31, 2019

STORMWATER HARVESTING

  • ALT. 2 – APRON STORAGE AREA
  • Collect Stormwater from 25 acres
  • Pump from Underground

Structure in Apron

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PAC Meeting #2 – January 31, 2019

STORMWATER HARVESTING

  • ALT. 3 – COLLECT AT RAIN TANK
  • Collect Stormwater at Rain

Tank Basin

  • Pump 11,000 feet

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PAC Meeting #2 – January 31, 2019

WATER TREATMENT SYSTEM

  • Replacement of Anthracite Filter Media
  • Replacement of Sand Filter Media
  • Other minor repairs

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PAC Meeting #2 – January 31, 2019

WATER STORAGE

  • Re-use of All Tanks
  • 1.4 M Gallon Tanks Re-purposed to

Stormwater Storage

  • Rehabilitation of Pre-Sedimentation

Tank

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PAC Meeting #2 – January 31, 2019

COMMENTS?

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PAC Meeting #2 – January 31, 2019

NEXT STEPS

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