PROJECT OVERVIEW

EWB Mission Statement

• “EWB-USA is a nonprofit humanitarian organization established to support community-driven development programs worldwide through partnerships that design and implement sustainable engineering projects, while creating transformative experiences that enrich global perspectives and create responsible leaders.”

Timeline

• September 2012 – Kenya team formed• August 2013 – Pre-assessment trip, decided

on Muchebe Primary School for project• January 2014 – Assessment trip, gather data

for design, survey community members• August 2014 – Implementation trip• August 2015 – Assessment trip • August 2016 – Implementation trip

Biggest Need?

Muchebe Quick Facts

• 2,000 people in village• One school - Muchebe Primary School• Water sources:

– Rebohocha River (typhoid)– Nymatembe River (amoeba disease)– Hibwa River (E. Coli and typhoid)– Muchebe Rainwater Catchment System

(nothing!)

Muchebe Primary School

• 339 students this year, pre-school through Class 8• Classes in math, Swahili, English, geography,

science

• System already in place when we arrived at Muchebe• 20,000 L storage capacity collecting only from 25% of roof

area• 7,000 L of water storage space wasted with two empty

tanks

Previous NGO work

10,000 L 10,000 L not

connectednot

connected

Spring 2014 EWB Design

• Additional 50,000 L of storage space• Collecting from 100% of roof area• Total of 70,000 L of water 2L/student/day

Theory vs. Reality

• Rock in the way of original tank cluster design• 4 tanks instead of 5, but connected smaller tanks too• Still collecting water from 100% of the roof area• 67,000 L capacity for water storage

IMPLEMENTATION PHASES

1. Digging the Foundation Pit

• Stone Problem• L-shaped• 8.2 x 6.8m L

shape, 3.2m wide

2. Building Concrete Foundations

• Formwork• Wire-mesh• Concrete mixture• Leveling and

sloping

2. Building Concrete Foundations

2. Building Concrete Foundations

3. Building Dispensing Stations

• 2 Taps• Roof Shelter• Sloping• Drainage Hole

4. Guttering

• Interconnection• Downspout pieces• End cap pieces• Gutter clips• Bondex!

5. Trenching and Piping

• Trenches ~1 foot wide

• 3 inch vs. 4 inch pipe

• T and elbow fittings

• O-ring connections

5. Trenching and Piping

5. Trenching and Piping

• Downspouts• First Flush system• Inlet pipes

6. Tank Placement and Connections

6. Tank Placement and Connections

6. Tank Placement and Connections

• Joint tape• Union, washout,

socket, nipple, flanges

Sustainability through Ownership

• Meetings with School Management Committee• Operations & Maintenance

Sustainability through Education

Sustainability through Education

Future Work

• Assessment Trip, August 2015• To prepare for our next trip, our team this

year will:– Monitor data from 2013-2014 system. Outline

different design concepts for next project in Muchebe

– Reach out to Muchebe village/school. Brainstorm and prepare sustainability lessons. Educate EWB team on Kenyan history, diseases, etc.

Questions?