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