© 2014 HDR, all rights reserved.

Roopa Matole

HDR Engineering, Inc.

August 31, 2017

Condition Assessment of Salina WWTP

The Presentation will be available on

http://kswaterwastewater.com/

Click on tab at the top of the page labeled PAPERS to

download the presentation.

Background

Condition Assessment

Findings/Conclusion

Objectives

History/Background

Pre-Work

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10/18/2012 5/6/2013 11/22/2013 6/10/2014 12/27/2014 7/15/2015 1/31/2016

Influ

ent p

H, E

fflue

nt p

H a

nd R

ainf

all (

inch

es)

Influ

ent F

low

(MG

D)

Date

Salina WWTP - Influent Flow, Influent/Effluent pH and Rainfall

Influent Flow (MGD) Influent pH Effluent pH Rainfall (inches)

Condition Assessment Form

Rating Criteria

Condition Rating

Maintain a log:

o Maintenance Activities

o Equipment Failure

o Rehabilitation

Recommendation To Operators

Condition Assessment – Site Visit Specialized Staff

o Process

o Structural

o Electrical

o Mechanical

6 staff members

One Full Day

HVAC and Electrical

Improvements

Equipment

replacement

Anaerobic Digester

Rehabilitation

Summary of Major Improvements

Building Classification

Sever Corrosion on

Conduits

No LED lighting

Emergency Lighting per

NFPA 101 Life Safety

Code 2015, Part 7.8

Exit Lighting per NFPA

101 Life Safety Code

2015, Part 7.10

HVAC and Electrical Finding

Inadequate Ventilation

High Wear

Age

Equipment Replacement

Visual examination

Suitable for reuse

Structural Finding – Anaerobic Digester

Reuse most of the structures

Map Cracking

Structural Finding

Phase I CIP

Phase II CIP

Plant Modification

Plant Modification

Digesters

Primary Clarifiers

Intermediate

Clarifiers

Aged Structures

Final Clarifier Process Equipment - $1.9M

New Anaerobic Digesters - $10.8M

Total Saving - $12.7M

Conclusion

Questions???

Thank you

Presentation will be uploaded at

http://kswaterwastewater.com/