edit and grammar correction + writing Summary and conclusion

First Task:  For the file Locations i already wrote it and i want you to go over it and correct grammar mistakes and if it need any change or adding any thing that is will be good.

Second Task:  

For the Excutive Summary  (add to what is there )

-solution (12 locations & criteria ( cost, utiity, water usage, consumption, treatment, physical barriers,and locations))

- Top 4 solution combinations

 -----------

Third task :  for Conclusion (  add the 4 solution ) 

-top 4 solutions  ( including criteria and how we chose the top 4 solutions)