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Engineering for Others

March 2011

NSPE TODAY
Engineering for Others

Place: Hangah Town, Sierra Leone
Date: January 1–10, 2011

Hangah Town, Sierra Leone

The three 40-watt solar panels were the largest that would fit in the checked luggage of VIDA volunteers.


Off-grid solar consultant and VIDA volunteer Dave Lettero meets with the Hangah Town community and elders to explain how solar works and the construction plan.

Off-grid solar consultant and VIDA volunteer Dave Lettero meets with the Hangah Town community and elders to explain how solar works and the construction plan.


Equipment and materials are laid out on the first day of work.

Equipment and materials are laid out on the first day of work.


Lettero explains how the solar panels will be oriented on the roof.

Lettero explains how the solar panels will be oriented on the roof.


VIDA's solar consultant teaches the villagers how to read the battery power indicator.

VIDA's solar consultant teaches the villagers how to read the battery power indicator.


VIDA board members David Levine and Kosi Yinkah construct a box to house the battery that will charge from the solar panels.

VIDA board members David Levine and Kosi Yinkah construct a box to house the battery that will charge from the solar panels.


The Hangah Town community helped with construction day and night.

The Hangah Town community helped with construction day and night.


VIDA volunteers taught the community about electron flow with a tool that lights up when a human circuit is completed.

VIDA volunteers taught the community about electron flow with a tool that lights up when a human circuit is completed.


David Levine prepares the electrical conduit for installation. It ran in the ceiling for lighting and light switches.

David Levine prepares the electrical conduit for installation. It ran in the ceiling for lighting and light switches.


VIDA volunteers take a much-needed lunch break after working 16 hours in the hot sun.

VIDA volunteers take a much-needed lunch break after working 16 hours in the hot sun.


VIDA workers and community volunteers install the solar panels.

VIDA workers and community volunteers install the solar panels.


Hangah Town, Sierra Leone

Hangah Town, Sierra Leone


The village children were a constant source of inspiration to the volunteers.

The village children were a constant source of inspiration to the volunteers.


VIDA volunteers paid for the next year's schooling of this young villager.

VIDA volunteers paid for the next year's schooling of this young villager.


The hardware VIDA installed included a charge controller, an inverter, and a battery charge monitor.

The hardware VIDA installed included a charge controller, an inverter, and a battery charge monitor.


VIDA held an educational session with the community after installation.

VIDA held an educational session with the community after installation.


Hangah Town, Sierra Leone

Hangah Town, Sierra Leone