ECO LATRINES--ECO LATRINES--Brook of Lake Atitlán, Sololá

“Todos por el Lago” & Rotary Club AssociationOctober, 2013

Main ideaMain idea Implementation of dry latrines to provide

the surrounding communities of lake Atitlán - in the developing process - of decent and efficient services that also contribute to clean the villages and natural wealth.

The eco latrine model doesn’t use water and substitutes the cesspool (highly polluted) with containers that decompose the solid excretes making them less contaminant or, in the best of cases, takes advantage and uses them as a fertilizer.

ObjectivesObjectives

Avoid contamination of the phreatic cloak in lake Atitláns basin.

Improve the life conditions of rural inhabitants.

Create a volunteer program to install and control the sanitary units.

GoalGoalDevelop the Project in 3 phases:

◦Phase 1: installation + training.◦Phase 2: change of deposit + use control.

◦Phase 3: use control + residue stock. Install an average of 100 units’ semi annually.

Favor a population of 1200 people annually.

Why use an eco Why use an eco latrine? latrine?

Is it similar to a Is it similar to a conventional conventional one?one?Why isn’t better to Why isn’t better to

install latrines with install latrines with water?water?

FREQUENTLY ASKED FREQUENTLY ASKED QUESTIONS…QUESTIONS…

Actual situation of beneficiaries:Actual situation of beneficiaries:

What conventional latrine may carry:What conventional latrine may carry:

Water contamination

.

Consumption of contaminated

water.

Intestinal illness.

Underground water contamination.

Consumption of

contaminated water.

Intestinal illness.

Hygene conditions at home:Hygene conditions at home:

Hans contaminated with microbes.

Food consumptio

n.

Intestinal illness.

Hans contaminated with microbes.

Food consumptio

n.

Intestinal illness.

Hygene conditions at home:Hygene conditions at home:

Insects in waste contaminated with microbes.

Insects at home, dished, glasses and

food.

Intestinal illness.

Animals inside the house near

waste.

Person or objetc contamination in the

house.

Intestinal illness.

PHYSICAL MODEL GENERATIONPHYSICAL MODEL GENERATION

Local manufacturer that favors labor and transportations costs.

Cost : Q3,200.00 (incluides cabin, toilet, deposit and

shipping*)

Set up time: 1.5 horas

Hours per unit. Staff: 2 people.

(semi-trained) Guarantee: 1 year due to

faulty production. Durability: 10 years.

THE THE PROTOTYPEPROTOTYPE

THE CABINTHE CABIN•Rectangular•Fiber glass•4 parts + roof•Easy to install next to the house.

THE BOWLTHE BOWL

THE DEPOSITTHE DEPOSIT

With similar characteristics as a conventional bowl with an additional compartment that separates liquids from solids. It is integrated to the floor platform.

A fiber glass base with capacity of 0.70 m3. Designed to be underground and reinforced to support the cabin.

INSTALLATION PROCESSINSTALLATION PROCESS

INSTALLATION PROCESSINSTALLATION PROCESS

Dig holes in the floor to locate deposits.

DigDig Introduction of

deposits in the floor and consolidation in the surroundings.

PlantPlant Setting with the

toilet over the depost and anchorage.

FloorFloor

Integration of 3 lateral panes using bolts (over the floor.)

WallsWalls With the walls integrated,

the cover is set over the cabin and fastened with bolts.

CoverCover

INSTALLATION PROCESSINSTALLATION PROCESS

Door installation (alrealdy with higes and bolt.)

DoorDoor

The ventilation tube is set followed by the protective cover in the outside

VentilationVentilation The flexible tube for

urine drainage is set and a small French drainage is practiced in one side of the toilet.

DrainageDrainage

INSTALLATIONS PROCESSINSTALLATIONS PROCESS

With the cabin is integrated, it is set over the floor and fastened with bolts to the deposit.

FasteningFastening

RESPONSERESPONSE

Cantón Racantacaj Note the integration

with the natural and rural environment.

NahualáNahualá

Note the original toilet at the back, next to the Training Center of “Todos por el Lago”

San Lucas San Lucas TolimánTolimán

INSTALLATION AND USE INSTALLATION AND USE MANUALMANUAL

REALITIES OF THE REALITIES OF THE COMMUNITIESCOMMUNITIES

Space limitations Space limitations and lack of and lack of resources.resources.

Drainage lack.Drainage lack.

UP TO DATE RESULTSUP TO DATE RESULTS

UP TO RESULTSUP TO RESULTS

BEFOREBEFORE AFTERAFTER

UP TO DATE RESULTSUP TO DATE RESULTS

Solid condition Solid condition after 5 months.after 5 months. Stratification Stratification

inside the inside the deposit.deposit.

UP TO DATE RESULTSUP TO DATE RESULTS

Hygene Hygene conditions of the conditions of the

toiletstoilets

UP TO DATE RESULTSUP TO DATE RESULTS

•Aware users of the compromise over the cleanliness practices.

•Dry solids. In this case, sifted dry soil is used as drying material.

SIGNS OF APPROPIATIONSIGNS OF APPROPIATION

•Clean, with a small rug.

•Toilet paper hanger and illumination installed.

MONITORING AND ANALYSISMONITORING AND ANALYSIS

Sample Sample recollection by recollection by

specialized specialized Techs.Techs.

Thank you.Thank you.