Many people in Mithi, Tharparkar do not have proper housing, face an unhygienic water supply, and have no sanitation facilities. These factors contribute to disease, suffering and the inability to rise above their destitute existence. The idea for building portable houses for the people of Mithi is presented to provide them with better living conditions and where they can feel a sense of security, ownership and sanitation. Research on existing building systems and materials showed that the most feasible structure for the desert environment is modular panels attached to a core unit that contains all the basic plumbing and electrical fixtures. The unit can be expanded based on family needs. Discussion with government officials showed that these could be used for the immediate needs of the people who have been suffering more acutely the last several years due to a drought. They could also be a permanent solution to the housing crisis if the "Chelson Shelter" communities worked well for ten years. The infrastructure in the Tharparker Desert is inadequate to support typical housing. These shelters have low environmental impact, use little water and electricity and would be a good solution to make a community of people that can support each other and provide security.

Atelierworkshop is an innovative Wellington based architectural practice that has advanced into the area of off- site manufacture of container-based housing solutions. Their product, the Port-a-Bach (PAB) is moving into its second generation (PAB Gen-2). This product development initiative has resulted in a range of projects that have been undertaken to improve off-the-grid energy systems, water supply and storage, packaging, transportation and cost reduction. This particular project documents the design and development of an energy management and supply accessory product, called the Bach Pack. The Bach Pack seeks to create a viable product energy system solution, at reduced cost and environmental impact (compared with existing solutions) and to achieve this through the development of the usability aspects and features of the product system. The focus is on developing a quality experience for the end user with regards to the attachment and deployment of the components that make up the Bach Pack product. This accessory and modular product solution enables the PAB Gen-2 to be self-sufficient with regard to electrical energy and water supply, and can be specified at point of sale or added later if required. This document focuses explicitly on the design and development of the solar array segment of the Bach Pack.