# Dam Design & Drawings

From EWB-UMN

--To-do list for the Summer--

Week of May 29th-

1. Study buttress design

2. Bio-mesh and rip-rap information- Here is a little research article on riprap design and includes an equation to calculate the thickness needed to stop erosion. http://www.usbr.gov/pmts/hydraulics_lab/pubs/PAP/PAP-0790.pdf

3. Research wood,stone,aluminum, and steel.

## Design

## Estimated Costs

### Initial Estimate

- First Estimate. Spreadsheet for initial estimate of costs for concrete and rebar.
- Buttress Drawing (dwg). The buttress dimensions as used for the initial estimate. Also names dimensions as used in excel spreadsheet above.

Category | Total Cost |
---|---|

Concrete | $4690 |

Rebar | $600 |

Riprap | TBD |

Formwork | TBD |

Other materials | TBD |

Equipment | TBD |

Total | $5290 |

### References

- LWH's Material Cost. Material pricing that LWH uses (2012)
- Budget Calculator. Price list of almost everything for travel(2009). List compiled by us.
- PBTank Design. Use as reference for materials and equipment needed.