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CITY OF RENTON
Public Works Department
CONTRACT CHANGE ORDER AGREEMENT
CONTRACT: CAG 12 -150 2012 Sewer Telemetry Upgrades C.O.# 2
CONTRACTOR: Systems Interface, Inc.
SUMMARY OF PROPOSED CHANGE:
Provide all labor, equipment, subcontracting, bonding, insurance for the complete work required for the extra
work as outlined below:
Additional Items Under This Change Order Unit Quantity Unit Price Total Price
ITEM 012: Change Order #2 LS 1 $594.65 $594.65
Additional work necessary to upgrade the wastewater radio repeater
antenna at the West Hill Reservoir Site from the specified
Omnidirectional pole antenna to a specialized Dipole Array version as
described in attached Change Order Request S11-2a.
Total ITEM 012
Sales Tax (9.5 %)
Total Additional Work
$594.65
$56.49
$651.14
ORIGINAL CONTRACT
AMOUNT
CURRENT CONTRACT
AMOUNT
ESTIMATED NET CHANGE
THIS ORDER
ESTIMATED CONTRACT TOTAL
AFTER CHANGE
$299,924.49
$308,198.55
$651.14
$308,849.69
SIGNATURES:
Contractor:
Project Engine
Approved By:
H: FileSyslW W P -W astewateAW W P- 27- 36561CO -2 -2012 sewer telem.doc /MB
Date: �I2,f-'2,4 i3
Date:
Date: Z
t
Purchase Order No: Contract Change Order No: SII -2a
Customer: City of Renton Date Issued: 4/22/2013
Project Name: Telemetry System Upgrades SII Project No: S1 2L01
C:\Documents and Setlln s \Mbenoit\Locat SetiingsiTemparary
Reason for Change:
Upgrade the Radio Telemetry Antenna at the West Hill Reservoir site from a common Omnidirectional pole antenna to a specialized
Dipole Arrany version (Telewave ANT450D3).
discussed previously, this antenna will be installed on a 10 foot mast.
Additional scope of work includes updating electrical schematics, bill of materials, purchase orders, Hardware Design Submittals,
along with the change control revision logs for each of these Items.
Our engineers and managers also need to review the requested changes, understand the implications, archive the revisions as a new
(version, and provide a detailed cost analysis.
Summary
and Expenses
Manager
Engineer
Shop / Field Wire Tech
Electrical Sub - Material
Electrical Sub -Labor
$491.10 Telewave ANT450133 Dipole Array Antenna (includes credit for THREE original omni antennas)
$57,5010.5 hrs to research, revise our scope of work, process the change order, & manage changes.
$49.0010.5 hours to update drawings, BOM, POs, & project dots for new antenna
$O.00I
' $30.00 0.5 hrs to process and document the change, issue revisions
$0.00
hrs for no install +0.75 hr due to new antenna heavier and larger.
Cost of This Change: Plus(Minus)
$594.85 EXCLUDING SALES TAX
Total of Previous Changes:
$7,55622
Original Purchase Order Value:
$273,303.84 EXCLUDING SALES TAX
Current Purchase Order Value:
$282,054,51 EXCLUDING SALES TAX
Approvals
Systems Interface Inc.
Robert H. Schommer, P.E.
04/23/2013
Name Print Signature Date
Purchaser Authorized Representative
Name Print Si nature Date
Revision: G 6113M2 CNGRE ,XLS