A small remote village in a developing country needs to design and build an irrigation system for their community garden. The source of water is a small lake on one side of the village. The community garden is on the other side. The system design is intended to be gravity fed. A map of the village is included here. Your job is to design, analyze and estimate the price for the irrigation system. When developing the system you must avoid running piping through any buildings, trees, or other developed sites because the piping will be buried. There is a net 5.5 m drop in elevation between the lake that provides the water and the garden. The system must include a method for turning the flow on/off and controlling the flow rate. The piping comes into the garden and connects to a branch element with a 1.0 inlet and twelve outlets (KL,branch=15, use inlet conditions for calculations of losses) and 12 lengths of 1 m long 1/2 pipe. All pipe diameters given for this are inside diameters and you may not change the garden portion of the system. You may assume the volume flow rate through each branch in the garden is 1/12th the total flow rate of your system. You must include losses from this section in your calculation of your system. Your goal is to minimize the cost while achieving a maximum flow rate through your system of at least 20 GPM. The flow rate must be including all system losses, not the ideal flow rate assuming no viscous losses. You may choose any material for the system that can be purchased. You must include suppliers and costs for all the parts in your system except for the branch and piping in the garden. Those are being supplied by another source.

Your report must address the following:

1. A map of your irrigation system layout. (You may use the given map and overlay your design on it. Be neat and use a straight edge when drawing it out.)

2. Detailed analysis of your system including all system losses and reported flow rate range.

3. A Bill of Materials (BOM) for all parts in your system that includes the supplier, part number, part description and price.

4. A cost estimate for the system.

5. There is discussion about increasing the size of the garden, in which case the flow rate would need to be doubled. Also provide a recommendation for a pump (part number, supplier, cost) that could be used to double the flow rate of your system.

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