BRAIN STORMING DISCUSSION CHARTS -

PLAN C FOR OKC WORKSHOP

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For information about our plans for adapting our"urban homestead" to meet the looming challenges of peak oil, climate instability, and economic irrationality, see Gatewood Urban Homestead, the permaculture design for our home.

September 20, 2008

PERFECT STORM

WATER

EXPEDIENT CISTERNS/WATER STORAGES

CULINARY WATER STORAGE NEEDS

Assumptions:

Household size = 12 people, plus dozen chickens
Rain: 8 inches of rain over 3 months, followed by 2 months without rain

Culinary water needs for 3 rainy months:

4 gal day 4,374
3 gal day 3,294
2 gal day 2,214

Water storage needed for 2 months without rain

4/gal day 2,916
3/gal day 2,196
2/gal day 1,476

Total Water Storage capacity needed

4 gal/day 7,290
3 5,490
2 3,690



EIGHT INCHES RAIN 3 MONTHS

Live for 5 months on 3 months rain (typical Oklahoma rain in spring, drought in summer scenario)
4500 sq feet of roofs 7500 sq feet of roofs
(1500 sq ft avg roof, 3 small houses) (2500 sq ft avg roof, 3 larger houses

Water harvest calculation:

Rain in feet TIMES sq feet of building EQUALS cubic feet of rain water

Cubic feet of rain water TIMES 7.48 EQUALS gallons of rain water



POTENTIAL WATER HARVEST, 2 SCENARIOS 8 inches of rain in 3 months

4500 sq ft roofs, 3 small houses = 22,805 gallons
7500 sq ft roofs, 3 larger houses = 38,008 gallons



GARDEN IRRIGATION

12,000 sq ft garden
6 inches of irrigation water desired during the 2 months without rain for 12K sq ft = 45K gallons.



WATER NEED - People, Chickens, Garden

12 people, 12 chickens, 12K sq ft garden

# of 2500 gal storage tanks needed

4 gal/day 49,254 gal - 19.7
3 48,174 gal - 19.27
2 47,094 gal - 18.838



WATER AVAILABLE FOR IRRIGATION AFTER ALL CULINARY USES ARE SATISFIED (People and Chickens





Smaller Houses
% of req available

Larger Houses
% of Req available

Culinary Usage

15,515 35% 30,718 68% at 4 gal day
17,315 39% 32,518 72% at 3 gal day
19,115 43% 34,318 205% at 2 gal day
44,880 44,880 2 months irrigation req @ 3 inches/month

Hope for more rain?



WATER PURIFICATION

OTHER WATER RUN-OFF SOURCES

FOOD SOURCES

EMERGENCY RATION PER PERSON

FOR 1.1 MILLION PEOPLE IN OKC METROPOLITAN AREA

ONE YEAR EMERGENCY RATION FOOD, OKC METRO AREA

EMERGENCY RATION TRANSPORTATION REQUIREMENTS

FOOD HAULING FUEL REQUIREMENTS



EMERGENCY SEED SOURCES

FOOD SUMMARY

NUTRITIONAL SUFFICIENCY OF PROPOSED EMERGENCY RATION

Nutrition value Whole Wheat Flour Soybeans Daily Ration
protein, grams 96 41.47 137.47


Percent of RDA Percent of RDA

Total Ration % of RDA

Vitamins

6 cups/day 1.43 cups/day 7.43 cup/day
E 30% 7% 37%
K 18% 4% 22%
Thiamin 216% 59% 275%
Riboflavin 90% 26% 116%
Niacin 228% 41% 269%
B6 120% 4% 124%
Folate 78% 29% 107%
Pantothenic Acid 72% 33% 105%
Calories 2400 426.14 2826
Adequate protein, Good B vitamins (except B 12), 1/3 of rda of Vit E, Not much A, C, or D, Good calories



SHELTER

Necessary retrofits and issues

ENERGY (General Ideas)

TRANSPORTATION ENERGY

COOKING ENERGY

HOUSE ENERGY

MEDICAL CARE/PUBLIC HEALTH

HUMANURE AND TRASH

COMMUNITY

MITIGATION





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