Looking for an English speaker to correct architectural text

I am looking for an English native speaker experienced in the area of architecture who can correct technical text. I have attached a small sample of text. If you are interested please contact me with your price per page (approx. 300 words page).

Thank you

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1. The analysis of static  strength of between  windows pillar.   
We took for our calculation the pillar at cellar level, located at continuous footing No. 3.
Below pillar dimensions. Height 1.9 m.

Fig. 3 Scheme of between  windows pillar

1.1 Gathering forces acting on the pillar

- reaction of the penthouse