Forms and Publications

Exhibit 33 Excel Calculators

Download Exhibit 33 Storm Water Detention Excel Spreadsheet Calculators

Save these Excel Spreadsheet Calculators to your hard drive.

Exhibit 33 Storm Water Detention Q1 - Q10 Calculator  

Exhibit 33 to calculate the intermediate volume and the lower Pre Development Q1 orifice release rate.

Exhibit 33 Storm Water Detention Q10 - Q100 Calculator  

Exhibit 33 to calculate the required total volume, the Pre Development Q10 orifice release rate and the Post Development Q100 release rate.

Exhibit 33 Storm Water Detention Exemption Calculator  

Exhibit 33 to calculate Storm Water Detention Exemption only.

Disclaimer

The material published herein by Hamilton County Planning + Development as a public service and is believed to be accurate and current. Hamilton County Planning + Development shall not be held liable for damages of any kind regarding the use of the information as there are no warranties or guarantees of any kind concerning the material.

The calculators are free for individuals to use via this site. These calculators are intended solely for general information and educational purposes, and are provided to help decrease the learning curve for those inexperienced in the engineering field and to give more experienced users additional reference tools.

These engineering calculators are in no way a replacement for a thorough engineering review or design. A Professional Engineer, licensed in the appropriate field of engineering, should always conduct a formal evaluation under the circumstances. Any calculations performed by these engineering calculators are based on data and assumptions provided by you, and any risks associated with such data and assumptions shall be borne by you.

These engineering calculators are provided "as is". Hamilton County Planning + Development has introduced the information in the publication in good faith, however, they are not responsible for or liable for errors, misinformation, misprints or typographical errors. Hamilton County Planning + Development make no claims of the accuracy of the information contained herein.

No material in this publication may be reproduced in whole or in part without the written consent of Hamilton County Planning + Development.