OCSD
Share to Facebook Share to Twitter Bookmark and Share
File #: 2020-988    Version: 1 Name:
Type: Consent Status: Passed
File created: 3/12/2020 In control: BOARD OF DIRECTORS
On agenda: 4/22/2020 Final action: 4/22/2020
Title: PLANT NO. 2, REPLACE FOUR PUTZMEISTER HYDRAULIC CYLINDERS FOR TRUCKLOADING SLIDING FRAMES
Sponsors: Rob Thompson
Attachments: 1. Agenda Report
FROM: James D. Herberg, General Manager
Originator: Rob Thompson, Assistant General Manager

SUBJECT:

title
PLANT NO. 2, REPLACE FOUR PUTZMEISTER HYDRAULIC CYLINDERS FOR TRUCKLOADING SLIDING FRAMES
end

GENERAL MANAGER'S RECOMMENDATION

recommendation
RECOMMENDATION:

A. Approve a Sole Source Purchase Order for Pumpaction Corp. to procure four Putzmeister Hydraulic Cylinders on the Solid Storage and Truck Loading Bin sliding frames for $355,254, plus applicable sales tax and shipping; and

B. Approve a contingency of $35,526 (10%).
body

BACKGROUND

The current Solids Storage and Truck Loading Facility at Plant No. 2 includes two flat-bottom bins which have been in service for approximately 20 years. Each bin has a sliding steel frame unit at the bottom of the bin that is driven back and forth by two hydraulic cylinders to evenly distribute solids for truck loading. The movement of the frame is critical to prevent bridging of the material in the bin for smooth truck loading operation.

RELEVANT STANDARDS

* Comply with environmental permit requirements
* Maintain a proactive asset management program
* 24/7/365 treatment plant reliability

PROBLEM

The hydraulic cylinders driving the sliding frame operate at very high pressures. The current units are experiencing performance loss and oil leaks that impact the reliability of the truck loading operation at Plant No. 2. The leaks also create safety and environmental hazards that must be monitored and managed daily. The original equipment manufacturer, Putzmeister, has communicated that repair components and seals for the hydraulic cylinder units are obsolete. A newer model of the hydraulic cylinder is available by the original manufacturer as a direct replacement.

PROPOSED SOLUTION

Approve the purchase for four upgraded Putzmeister hydraulic cylinders through Pumpaction Corp. Standard lead time from Putzmeister is approximately 16 weeks. The procurement will result in extending the...

Click here for full text