Joe Arnold - Solar Dehydrating Toilets on Longs Peak, Colorado
Post on 14-Apr-2017
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Rocky Mountain National Park
SOLAR DEHYDRATING TOILETS – LONGS PEAK
LONGS PEAK
GEM LAKE
Rocky Mountain National Park
Grand Lake
Estes Park
Rocky Mountain National Park
Rocky Mountain National Park
1970’s HELICOPTER FLY OUT OF “HONEY BUCKETS”
Rocky Mountain National Park
Rocky Mountain National Park
1983 FIRST GENERATION SOLAR TOILET AT CHASM JCT.
Rocky Mountain National Park
Rocky Mountain National Park
PHOTOVOLTAIC POWERED FAN
HOT AIR PANEL SOLIDS VAULT
& LIQUIDS TRAY
HOSE TO LIQUIDS EVAPORATOR
Rocky Mountain National Park
Rocky Mountain National Park
TRAY EVAPORATOR
Rocky Mountain National Park
PHOTOVOLTAIC POWERED FAN
Rocky Mountain National Park
REMOVAL OF SOLID WASTE FROM DEHYDRATOR BUCKET
Rocky Mountain National Park
REMOVAL OF SOLID WASTE WITH LLAMAS
Rocky Mountain National Park
1984 SECOND GENERATIONSOLAR TOILET AT BOULDERFIELD
Rocky Mountain National Park
LESSONS LEARNED/CRITERIA FOR SUCCESS:
1. EASE OF MAINTENANCE AT HIGH ELEVATION
2. MARMOT-PROOF
3. CORROSION RESISTANT
4. SURVIVE WINTER WINDS
Rocky Mountain National Park
MARMOT DAMAGE
Rocky Mountain National Park
CORROSION
Rocky Mountain National Park
WIND DAMAGE
Rocky Mountain National Park
MARMOT SOLUTIONS:
1. HARDWARE CLOTH OVER ALL SURFACES
2. FIBERGLASS COATING OVER HARDWARE CLOTH
Rocky Mountain National Park
CORROSION SOLUTIONS:
STAINLESS STEEL LIQUIDS BUCKET, SOLIDS BASKET, VAULT LINING. POLYETHYLENE RISER.
Rocky Mountain National Park
WIND DAMAGE SOLUTIONS:
¼” GUY CABLES
STEEL ANGLE BRACING, ETC.
Rocky Mountain National Park
1990’s TO PRESENT:3rd GENERATION
Rocky Mountain National Park
Rocky Mountain National Park
Rocky Mountain National Park
TO BE SUCCESSFUL:
► COMMITMENT TO MAINTENANCE!
Rocky Mountain National Park
TO BE SUCCESSFUL:
► COMMITMENT TO MAINTENANCE!
► PLACE TO DISPOSE OF DRIED WASTE
Rocky Mountain National Park
TO BE SUCCESSFUL:
► COMMITMENT TO MAINTENANCE!
► PLACE TO DISPOSE OF DRIED WASTE
► AVAILABILITY OF REPLACEMENT PARTS
Rocky Mountain National Park
TO BE SUCCESSFUL:
► COMMITMENT TO MAINTENANCE!
► PLACE TO DISPOSE OF DRIED WASTE
► AVAILABILITY OF REPLACEMENT PARTS
► SKILLS TO BUILD SPECIALIZED COMPONENTS
Rocky Mountain National Park
TO BE SUCCESSFUL:
► COMMITMENT TO MAINTENANCE!
► PLACE TO DISPOSE OF DRIED WASTE
► AVAILABILITY OF REPLACEMENT PARTS
► SKILLS TO BUILD SPECIALIZED COMPONENTS
► LOCAL CUSTOMS CONDUCIVE TO DEALING WITH THE WASTE
Rocky Mountain National Park
THERE ARE NO PANACEAS!
The waste has to go somewhere…
All systems need maintenance…
WHERE DOES IT GO….??
Rocky Mountain National Park
Joe ArnoldPark Engineer
Rocky Mountain Nat’l Park1000 Moraine Ave.Estes Park, CO 80517
970-586-1234
joe_arnold@nps.gov
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