HomeMy WebLinkAbout2010 CON Koch Armstrong - Change Order #3, #4 Drainage Improvements FY 10-11DRAINAGE IMPROVEMENTS PROJECT
Specification #10-03
Contractor: Koch -Armstrong General Engineering, Inc.
CHANGE ORDER No. 3
December 10, 2010
Reason/Purpose for this Change Order:
In order to match the existing asphalt with the cross gutter and make the transition of asphalt to cross gutter a
smooth transition, a larger section of AC pavement should be removed and replaced. The following location will
require a wider section of AC pavement to be removed and replaced: 21 st & F. The removal and replacement of
AC Pavement will be done for the same price as line item # 8 at a price of $3.5 per Square Foot.
The City of National City and Contractor agree to the following change to the original Contract:
At 21st & F: 5 feet of AC removal and replacement on the 21st (East side) and 2 feet on F (West side) for a total
of 5"37'=185SF and 2'*80'=160SF. Total =345SF
Original Contract Amount
Net change by previously authorized Change Orders
Subtotal
Amount Deducted
Amount Added
Amount of this change order
90,993.60
6,380.00
97,373.60
1,207.50
1,207.50
New contract amount $
Working days added: 0
Working days subtracted: 0
Submitted by:
I` -
Project Coordinator Date
Approved by:
�...� c3tl ;City Manager, required for Change Orders>$24,999 Date
Percent change in Contract to date 8.34%
Reviewed By:
anager
98,581.10
By signing this Change Order the Contractor confirms that he/she is completely familiar with its terms and conditions and has fairly
negotiated its price, terms and conditions. 11 this Change Order is approved, Contractor will provide all of the equipmen
Accepted and agreed to by Koch -Armstrong General Engineering, Inc.:
..........
K rn2- .2ccyckmakoavA—
Date:
Note to Contractor: If you do not agree with this Change Order you may be directed to proceed with this work under the terms of the
contract and you may proceed under protest. You must comply with the contract requirements of submitting a written protest
Originals: City Clerk, Contractor
cc: Engineering project file, Project Manager
1243 National City Boulevard, National City, CA 91950
Telephone (619) 336-4380
DRAINAGE IMPROVEMENTS PROJECT
Specification #10-03
Contractor: Koch -Armstrong General Engineering, Inc.
CHANGE ORDER No. 4
December 23, 2010
Reason/Purpose for this Change Order:
The purpose of this change order is to add quantities of base to the drainage improvements project that was
needed to replace unsuitable subgrade
The City of National City and Contractor agree to the following change to the original Contract:
All Locations: 72.62 Tons of base at $46.00 per Ton
Original Contract Amount
Net change by previously authorized Change Orders
Subtotal
Amount Deducted
Amount Added
Amount of this change order
New contract amount
Working days added: 0 Working days subtracted: 0
Subm/tted by:
Project Coordinator Date
ity Engineer
Da e
101, 921.62
90,993.60
7,587.50
98,581.10
3,340.52
3,340.52
Percent change in Contract to date 12.01%
Reviewed By:
oject Manager
City Manager, required Ian Change Orders>$24,999 Date
By signing this Change Order the Contractor confirms that he/she is completely familiar with its terms and conditions and has fairly
negotiated its price, terms and conditions. If this Change Order is approved, Contractor will provide all of the equipmen
Accepted and agreed to by Koch -Armstrong General Engineering, Inc.:
/2-23--0
Date:
Note to Contractor: If you do not agree with this Change Order you may be directed to proceed with this work under the terms of the
contract and you may proceed under protest. You must comply with the contract requirements of submitting a written protest
Originals: City Clerk, Contractor cc: Engineering project file, Project Manager
1243 National City Boulevard, National City, CA 91950 Telephone (619) 336-4380
MCOR12011ATED
OFFICE OF THE CITY CLERK
1243 National City Blvd.
National City, California 91950
Michael R. Dalla, CMC - City Clerk
619-336-4228 phone • 619-336-4229 fax
KOCH-ARMSTRONG GENERAL ENGINEERING
Change Order #3 and #4
Drainage Improvements Project
Judy Hernandez (Engineering) Forwarded
Copies of Change Orders to Contractor