RESERVOIR AUGUST 2020 PROJECT OBJECTIVES A NEW RESERVOIR IS NEEDED - - PowerPoint PPT Presentation

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RESERVOIR AUGUST 2020 PROJECT OBJECTIVES A NEW RESERVOIR IS NEEDED - - PowerPoint PPT Presentation

Sep 25, 2023 314 likes •579 views

HIGH SYSTEM RESERVOIR AUGUST 2020 PROJECT OBJECTIVES A NEW RESERVOIR IS NEEDED IN THE HIGH SYSTEM PRESSURE ZONE: TO INCREASE SYSTEM RELIABILITY FIRE FLOW & PEAK DEMAND SUPPLY DURING THE SUMMER TO MEET DEPARTMENT OF HEALTH

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SLIDE 1

HIGH SYSTEM RESERVOIR

AUGUST 2020

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SLIDE 2

PROJECT OBJECTIVES

A NEW RESERVOIR IS NEEDED IN THE HIGH SYSTEM PRESSURE ZONE:

  • TO INCREASE SYSTEM RELIABILITY – FIRE FLOW

& PEAK DEMAND SUPPLY DURING THE SUMMER

  • TO MEET DEPARTMENT OF HEALTH STANDARDS.
  • TO IMPROVE THE WATER SYSTEM OPERATIONS

IN HIGH PRESSURE ZONE AND ABOVE.

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SLIDE 3

HIGH SYSTEM PRESSURE ZONE

29th Ave 33rd Ave Ray Street Manito Blvd 17th Ave Freya Street Bernard Street

DOWNTOWN LOWER S. HILL MID S. HILL (HIGH SYSTEM) UPPER S. HILL

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SLIDE 4

RESERVOIRS CURRENTLY SERVING THE HIGH SYSTEM PRESSURE ZONE

33rd & Lamonte 125 feet tall near Sacajawea Garden Park at 37th Avenue near Stone Street 75 feet tall

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SLIDE 5

WATER SYSTEM BASICS

Low Pressure Zone

Water is pumped to successively higher reservoirs

Top System High System Intermediate Glennaire Southview Pumping Wells Downtown Lower South Hill Mid South Hill Upper South Hill

Lower Browne’s Mtn

Upper Browne’s Mtn

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SLIDE 6

RESERVOIR ELEVATIONS AND PRESSURE

Water Level

100’ below tank = about 43 psi Homes and businesses must be between approx. 100’ and 200’ below tank water level 200’ below tank = about 86 psi

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SLIDE 7

LOCATION SELECTION CRITERIA

  • AVAILABLE PROPERTY (NOT MUCH VACANT LAND

ON SOUTH HILL) AND IDEALLY PUBLICLY OWNED

  • CLOSE TO TRANSMISSION MAINS – WITHIN 5

OR 6 BLOCKS

  • THE WATER LEVEL IN THE PROPOSED RESERVOIR

MUST MATCH ELEVATION OF THE OTHER RESERVOIRS

  • NEAR THE CENTER OF THE PRESSURE ZONE
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SLIDE 8

TRANSMISSION MAINS

✓ Near center of pressure zone ✓ Available parcel ✓ Close to pipes ✓ Right elevation

Hamblen Park 31st & Napa

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SLIDE 9

GARDEN PARK

320’ CONSTRUCTION AREA NEEDED: APPROX 225’ X 225’ (ROUGHLY FLAT) 37TH AVE.

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SLIDE 10

31ST & NAPA

29TH AVE. SAFEWAY SAFEWAY TOUCHMARK RETIREMENT HOME POTENTIAL RESERVOIR SITE

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SLIDE 11

31ST & NAPA

140’ CONSTRUCTION AREA NEEDED: APPROX 225’ X 225’ (ROUGHLY FLAT) TOUCHMARK CITY OWNED LOT 170’

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SLIDE 12

HAMBLEN PARK

140’ CONSTRUCTION AREA NEEDED: APPROX 225’ X 225’ (ROUGHLY FLAT) HAMBLEN ELEMENTARY 37TH AVE. 625’ CRESTLINE ST. NAPA ST. 625’

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SLIDE 13

RESERVOIR DIMENSIONS

  • APPROX. 100’ TALL (AT HAMBLEN PARK – VARIES

IN OTHER LOCATIONS)

  • APPROX. 2 MILLION GALLON CAPACITY
  • 50’-60’ DIAMETER AT ITS BASE
  • 100’ TANK DIAMETER
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SLIDE 14

AVAILABLE RESERVOIR TYPES

Hydropillar Standpipe Water spheroid

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SLIDE 15

HAMBLEN PARK

140’ CONSTRUCTION AREA NEEDED: APPROX 225’ X 225’ (ROUGHLY FLAT) HAMBLEN ELEMENTARY 37TH AVE. 625’ CRESTLINE ST. NAPA ST. 200’ 200’

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SLIDE 21
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SLIDE 22

MITIGATION MEASURES

  • START WITH HAMBLEN PARK, POSSIBLY

INCLUDE OTHER PARKS

  • THREE PARKS IN SOUTHGATE – HAMBLEN,

SOUTH COMPLEX, BEN BURR

  • SOUTHGATE NEIGHBORHOOD PLAN – PARKS

AND OPEN SPACE ELEMENT (2010)

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SLIDE 23
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SLIDE 24

PROJECT SCHEDULE & NEXT STEPS

  • HOLD ANOTHER COMMUNITY MEETING

ADVERTISED TO ALL RESIDENTS WITHIN A SEVERAL BLOCK RADIUS (LATE AUGUST)

  • PERMITTING (FALL 2020)
  • PROJECT DESIGN (FALL/WINTER 2020)
  • CONSTRUCTION (2021-2022)
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SLIDE 25

QUESTIONS?