Sarah Sinclair's Individual Contribution Page

Continuing on the Water Treatment Technology Selection Guide team, I will work to design a cohesive results page for the recommendation web tool, crafting page content and performing iterative user testing. I will work to ensure the page can be seamlessly translated between languages, and I will contribute to ongoing work in the realms of style and functionality.

As a part of the Water Treatment Technology Selection Guide team, I contributed to the development of an interactive tool which educates users about the different water treatment technologies available to them. I engaged in preliminary literature review surveying potential treatment options before designing the layout of a clean, modern, multi-page website built to provide treatment recommendations. I coded the stylesheets for the website in CSS, implemented form functionality using PHP and HTML, and worked to improve user interactivity with liberal use of JavaScript. Great consideration was given to minimizing user memory load and to making form inputs accessible to those without technical knowledge. I began preparations to deploy the site live on the AguaClara server, and worked to set up MySQL databases that will be used to log user input. Throughout the semester, I paid special attention to user experience, implementing features like parallax scrolling, maintained scroll position between pages, and pre-populated user inputs when users revisit site pages.

Continuing on the Low Flow Stacked Rapid Sand Filter subteam, I worked to finalize the construction of the 12" (30 cm) diameter filter begun last semester. We succeeded in having the filter up and running by the end of the semester. This involved designing a sand drain, slotted manifolds, and pipe stubs, as well as a method of recycling water through the plant so it could be run continuously. I contributed to the design and machining of the slotted manifolds for the filter, and worked to machine and install valves for the pressure sensors that were inserted into the side of the main filter column. I assembled the backwash pipe for the filter and helped test the column for watertightness. I generated a design for the sand drain and helped the team transition from fabrication into testing by introducing measures like secondary containment. Towards the end of the semester, I assisted in testing the filter, and helped succeed in initiating backwash under substandard conditions.

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