1c. Wells 12 and 13: Approve Quote for Master SCADA Modifications
CITY OF
CHANHASSEN
7700 Market Boulevard
PO Box 147
Chanhassen, MN 55317
Administration
Phone: 952.227.1100
Fax: 952.227.1110
Building Inspections
Phone: 952.227.1180
Fax: 952.227.1190
Engineering
Phone: 952.227.1160
Fax: 952.227.1170
Finance
Phone: 952.227.1140
Fax: 952.227.1110
Park & Recreation
Phone: 952.227.1120
Fax: 952.227.1110
Recreation Center
2310 Coulter Boulevard
Phone: 952.227.1400
Fax: 952.227.1404
Planning &
Natural Resources
Phone: 952.227.1130
Fax: 952.227.1110
Public Works
1591 Park Road
Phone: 952.227.1300
Fax: 952.227.1310
Senior Center
Phone: 952.227.1125
Fax: 952.227.1110
Web Site
www.cLchanhassen.mn.us
Le,
---
MEMORANDUM
TO:
Todd Gerhardt, City Manager
FROM:
....-7 eJ .
Paul Oehme, P.E., Dir. of Public Works/City Engineer \ '
~'
DATE:
March 24, 2008
SUBJ:
Wells 12 & 13, Project Nos. 08-04 & 08-05: Approve Quote for
Master SCADA Modifications
REQUESTED ACTION
The Council is requested to approve a quote for Master SCADA Modifications in the
amount of $49,200.
BACKGROUND
On January 14,2008, Council awarded a contract for
Well 12 & 13.
On February 25,2008, Council awarded a contract
wells.
watermain for the
DISCUSSION
On March 10,2008 Council approved quotes
Improvements for Wells 12 & 13.
Staff is requesting the Council approve a quote
Inc. for modifications to the Master SCADA
Acquisition) controls. These modifications to
the east treatment plant, are required to have
necessary monitoring data, and process the data.
Modifications to the existing Master SCADA
- Database & Alarming:
1) Add all new input and output
database
2) Add new alarm points to the existing
etc. so that new alarms function in the
alarms.
3) Add alarms for communication failure to each new site
- Graphic Screens:
1) Add new graphic screens for new process information. New screens
will have the~~R~gp~~f:~g(;9.?Junctionality, and navigation features
as the existing graphic screens. New graphic information will be
added to the existing screens as approved by the City.
The City 01 Chanhassen · A growing community with clean lakes, quality schools, a charming downtown, thriving businesses, winding trails, and beautiful parks. A great place to live, work, and play.
Todd Gerhardt
Approve Quote for Master SCADA
March 24, 2008
Page 2
- Well Control:
1) Addition of Wells 12 and 13 to the existing logic and graphic screens
where existing Wells 2,5,6, 10, and 11 are currently controlled. All
graphics and control logic for the existing Wells 5 and 6 will be
retained.
2) Provide new alarming, lockouts, setpoints, etc. for the new wells to
match the functionality of the existing wells.
- Well Drawdown:
1) Addition of software alarm set points for all new drawdown signals.
2) Addition of software work relating to well drawdown signals.
- Well Flow Metering:
1) Record new well flow signals, totalize flows, etc. in a manner as
existing well flow signals.
2) Use well flow signals to verify operation of each well in the same
manner as existing well flow signals.
- Vault Security:
1) Each new underground vault (Wells 12 and 13) will include an access
hatch with magnetic switch. Each vault will also include an unlabeled
interior pushbutton. We will provide intrusion alarm sequence for
these devices to match
Chemical Feed System Controls:
1) Review and add existing chemical feed systems logic associated with
Raw Water. Add Wells 12 and 13 to all logic, graphic screens, etc. so
that flow from these wells are interlocked with the chemical feed
systems in the same manner as existing Wells 2, 5, 6, 10, and 11.
Barr Engineering completed a scope of services and quote sheet for the Master
SCADA modifications. Barr Engineering solicited quotes for this work to qualified
controls and integration companies that have expertise with the type of SCADA
system the City uses.
Two quotes were received for this work as follows:
Quality Control & Integration, Inc.
Siemens Water Technologies
$49,200.00
$63,000.00
Barr Engineering has reviewed the quotes and finds Quality Control & Integration,
Inc. reasonable based on other recent similar projects they have completed. Quality
Control has worked on the SCADA improvements for the east water treatment plant.
Their work was acceptable. Quality Control also was awarded the electrical and
SCADA improvements for Wells 12 & 13.
RECOMMENDATION
Staff recommends Council approve the Quality Control & Integration, Inc. quote for
Master SCADA Modifications in the amount of $49,200.
c: Sheldon Sorenson, Barr Engineering
G:\ENGIPUBLICI_2008 Projectsl08-05 Well No. 13 - Lake Drivel032408 Approve master SCADA quotes wells 12 &13.doc