HomeMy WebLinkAbout2019 CON San Diego Mechanical and Energy - Public Library Chiller Replacement, CIP No. 19-26 - Change Order #2CALIFORNIA --�
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INCORPORATED
National City Chiller Replacement CHANGE ORDER NO. 002
CIP NO. 19-26 September 13, 2019
Contractor: San Diego Mechanical Energy
7568 Trade St.
San Diego, CA 92121
This Change Order modifies Contractor's and the City's obligations and rights under the abovementioned
contract. This change order is not effective until approved by the City.
Time adjustment:
Time is adjusted with this Change Order with an extension of 50 calendar days beyond the original 120
calendar days for a total of 170 calendar days
Cost of Change Order:
Prior Change Orders: Up $39,233
Current Change Order: Up $9,216
Original Contract Amount: $318,792
Total Revised Contract Amount: $367,241
Recommended by Construction Manager, NV5: 7— ,
Date: September 13, 2019
_
By signing this Change Order, the Contractor 'onfirms that e/she is completely familiar with and has fairly
negotiated its price, terms and conditions. If this Change Order is approved, Contractor will provide all of the
equipment, materials and labor necessary to provide a complete work as described above at that the price
stated herein. Contractor confirms that the price is fair and complete and represents all costs associated with
the work, including but not limited to all equipment, materials, labor, supervision, overhead, fees, bonds,
insurance, profit, etc. and that there will be no further compensation. All of the terms and conditions of the
original contract documents are incorporated herein. The signer for the Contractor confirms that he/she is
authorized to bind the Contractor to this Change Order.
Agreed and Accepted by Contractor: G06'/1 LI ill
(Print Name and Title) p V • e /•
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Date: CI 1 ((0 1 1 ci
Approved by City Engineer:'7
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Date: ///Z aa
Approved by City Manager:
(Required for change orders $25,000 and above)
Date:
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To: Stephen Manganielio
Director of Engineering & Public Works/City Engineer
Engineering and Public Works Department
City of National City
1243 National City Blvd.
National City, CA 91950
From: NV5
15092 Avenue of Science
Suite 200
San Diego, CA 92128
V
5
CHANGE ORDER MEMORANDUM
September 11, 2019
Project: National City Chiller Replacement
CIP No.: 19-26
Subject: Change Order No. 002
Change Order No. 002 provides for:
A) Add a factory condenser coil coating for an additional $9216.00 per the manufacturer recommendations
to provide coatings on chiller's condenser coils within 50 miles of the Ocean. This coating will help
prevent the salt air from causing deterioration and will prolong the useful Operational life of the chiller.
The project specifications did not require a condenser coil coating.
B) Extend the contract duration from the original 120 calendar days by 50 calendar days for a total of 170
calendar days to accommodate the unanticipated length of manufacturing the specified Daikan chiller.
Payment for this change order will covered in the Contractor's regular payment applications prorated on a weekly basis
for the temporary chiller rental only until work begins on the existing chiller replacement.
Supporting Information:
➢ SDME's letter detailing the coil condenser coating costs and reasons
➢ SDME Letter dated 8/13/19 requesting a time extension until 11/13/19.
➢ SDME's project schedule showing a completion date of 11/13/19
Time Adjustment:
50 additional calendar days
Cost Adjustment:
Prior Change Orders: Up $39,233
Current Change Order: Up $9,216
Original Contract Amount: $318,792
Total Revised Contract Amount: $367,241
The pay method and amount have been reviewed by NV5's Construction Manager, Luanne Bean, PE and is considered
fair an. - _ onabl The supporting documentation is on file with the project records.
September 13, 2019
Co.: uciion a ager, NV5 Date
N
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Change Order 2
Item A
SAN DIEGO MECHANICAL ENERGY
CHANGE ORDER REQUEST FORM
Date:
9/12/19
Change Order #:
02
To:
City of National City
Change Order Amount:
$9216.00
Company:
C / 0 : Luanne Bean
Project Name:
National City Chiller
Replacement I CIP NO. 19-26
Address:
1243 National City Blvd.
SDME Project Number:
P-19-41
National City, CA
CHANGE ORDER DESCRIPTION:
- Manufacturer recommendation is to provide coating on chillers within 50 miles of the Ocean.
This coating will help prevent the salt air from causing deterioration and will prolong the useful
Operational life of the chiller.
Change Order Breakdown:
Current Change Order:
Previous Change Order Total:
Total Change Order Amount to date:
Original Contract Amount:
Total Revised Contract Amount:
$9216.00
$ 39,233.00
$ 48,449.00
$318,792.00
$ 367,241.00
Submitted : Accepted By:
Signature Signature
C�—\-1 �- i 1YV o\o 9 -1(0 -1 `1
Printed Name Date Printed Name Date
DATE:
SAN IDIEGO MECHANICAL ENERGY
(FIELD CHANGE ORDER FORM
9/12/2019
LOCATION:
National City Public Library Chliler Replacement
JOB # I P-19-41
Foreman / Technician
YES
NO
Time Extension:
COR#
2
Schedule Impact:
X
N/A
Description of Work: Provide Corrosion Coil Coating on Daikan Chiller -- manufacturer recommended at locations 50 miles or less from Coast
Trade
Job #
Hours
Rate
Labor Extension
$0.00
$0.00
$0.00
$0.00
$0.00
Total Labor
$0.00
Description
Unit
QTY
Cost
Material Extension
Daikan Luvata Corrosion Coating
EACH
1
$7,437.50
$7,437.50
Total Material
$7,437.50
Total Labor
$0.00
Total Material
$7,437.50
Sales Tax 7.75%
$576.41
Prime (Equipment)
58,013.91
Overhead 10%
5801.39
Profit 5 %
$400.70
Total Price:
$9,216
NORMAN S. WRIGHT
CLI MATEC
MECHANICAL EQUIPMENT
TO: Cathy Filmore
COMPANY: San Diego Mechanical Energy
FROM: Dennis Christie
RE: 19-1083 - National City Public Library Chiller Replacement
Addenda: 0
Plan Date:
Specifications:
Proposal Date: 5/20/2019
PROPOSAL
4/16/2019
(1) Daikin Applied Model AGZ Air Cooled Scroll Chiller
Tag: CH-1
Product Data:
208/60/3 power
R-410a refrigerant
Painted, galvanized steel cabinet
0.75" insulation on evaporator and cold surfaces
MicroTech III unit controller with BACnet, Lon or ModBus interface
Single point disconnect with circuit protection
Across the line starter
Dual refrigerant circuits
Aluminum microchannel condenser coils
Epoxy coating
TEFC condenser fan motors
Evaporator strainer FOB Factory... $7437.50
Thermal dispersion flow switch
Compressor sound blankets
1st year, parts -only warranty
Start up
Not Included: Hot gas bypass, Copper fins, External vibration isolation,
Seismic calculations or attachments, Testing, Training, Extended or labor
warranties.
Factory production lead time is approximately: 12 weeks
Due to recent volatility in raw material prices, unless quote is accepted within 30 days and
released for shipment in 90 days, prices are subject to change.
Freight is included.
Pricing is based off of single release.
Sales taxes are not included.
9885 Carroll Canyon Road, San Diego, CA 92131 Phone: 858-368-3800
N
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Change Order 2
Item B
San Diego Mechanical Energy
7568 Trade Street I San Diego, CA 92121
(858) 566-8200 Office I (858) 566-8203 Fax
License # 997083
Attn: Luanne Bean I City of National City
CIP No. 19-26
National City Public Library Chiller Replacement Project
Schedule Extension Request
8/13/19
To whom it may concern:
Please consider this San Diego Mechanical Energy's formal request to extend the substantial completion
date for above mentioned project until 11/13/19.
The Daikan chiller has an estimated delivery date of 10/22/19 which has caused our schedule to be
extended, but not the estimated duration of the work on site. Below is email from vendor :
From: Dennis Christie <dchristie@nswcsd.com>
Subject: RE: National City Library Chiller Lead Tlme.pdf
Scheduled ship date is 10/14/2019. Add 7-10 days for delivery from Virginia.
Dennis Christie 1 Sales Engineer
NSWC
Please feel free to reach out with any questions or concerns.
Kind Regards,
Cathy Fillmore, Project Manager
San Diego Mechanical Energy
cfillmore@sdme-inc.com
C: 858.322.1302 1 0: 858.566.8200
11Page Confidential between Customer & San Diego Mechanical Energy
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• Notice to Proceed
1♦ Kickoff Meeting
Approved chiller submittal - Procure : 12 week lead time
Estimated delivery date of new Chiller : October 22nd - TENTATIVE
Temporary chiller installed
On site meeting to formalize construction timeline :TBD
Verify proper lock out tag out of all equipment to be removed
Prep existing mechanical equipment & DDC controls for removal
Provide all crane services required to remove existing and set new equipment
Set new air cooled chiller on existing pad
Provide all piping modifications to accommodate new equipment
Demo and remove existing pumps
Provide insulation on chilled water piping and pumps
Heffler Electric :
Extend feeds in new junction box to new pumps
Splice existing feeder in new underground pull box for chiller
Power connections to new chiller control panel
Saw cut and patch as required
Trench and backfill as required
R & R Controls
Take system off line and power down existing DDC panel
Remove monitoring and control devices for chiller and pumps
Remove existing meter transducers and safe off Modbus comm bus
Provide DDC controller programs
Modify existing graphics to include new chiller and pumps
Update existing Honeywell WEBstation with modified DDC programs
and graphics
Supply and wire 2' bypass valve on chiller bypass piping - install by SDME 1 day
DurationiStart ,Finish
1 day Wed 6/12/19 Wed 6/12/19
1 day Tue 6/18/19 Tue 6/18/19
90days Mon 6/24/19 Fri 10/25/19
1 day
1 day
1 day
4 days
1 day
1 day
5 days
1 day
3 days
!QUA 2019
Oct
Tue 7/30/19 Tue 7/30/19
TBD
Mon 10/21/19 Mon 10/21/19
Mon 10/21/19Thu 10/24/19
Mon 10/28/19 Mon 10/28/19
Mon 10/28/19Mon 10/28/19
Mon 10/28/15Fri 11/1/19
Mon 10/28/19Mon 10/28/19
Mon 11/4/19 Wed 11/5/19
12 days Mon 10/21/1c. Tue 11/5/19
5 days
3 days
3 days
2 days
2 days
4 days
4 days
4 days
5 days
1 day
1 day
Supply and install 24 VOC power supply to serve new temp transmitters 4 days
Furnish CAD drawings to customerof updated system
Provide point to point checkout of installed components
Task Coordination between trades : SDME - R & R - TAB
Provide start up of all new equipment
Provide chemical cleaning, flushing and treatment of new system
Verify proper operation of all new equipment
Perform Testing & Balancing of all new equipment
P ovide day of training for customer personnel
Provide Close out package
1 day
1 day
5 days?
2 days
1 day
1 day
2 days
1 day
1 day
Mon 10/21/19 Fri 10/25/19
Tue 10/22/19 Thu 10/24/19
Mon 10/28/19 Wed 10/30/19
Mon 10/28/19Tue 10/29/19
Mon 10/28/19Tue 10/29/19
Mon 10/21/19Thu 10/24/19
Mon 10/21/19Thu 10/24/19
Mon 10/21/19Thu 10/24/19
Mon 10/21/19 Fri 10/25/19
Mon 10/21/19Mon 10/21/19
Mon Mon 10/28/19
10/28/19
Mon Mon 10/28/19
10/28/19
Mon 11/4/19 Thu 11/7/19
Fri 11/8/19 Fri 11/8/19
Mon 11/11/19Mon 11/11/19
Mon 11/4/19 Fri 11/8/19
Mon 11/4/19 Tue 11/5/19
Tue 11/5/19 Tue 11/5/19
Tue 11/5/19 Tue 11/5/19
Wed 11/6/19 Thu 11/7/19
Wed 11/13/19Wed 11/13/19
Wed 11/13/19 Wed 11/13/19
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Project: V1 National City Public
Date. Tue 9/10/19
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Project Summary
Inactive Task
Inactive Milestone
tnartrve Summary
Manual Task
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Manual Summary Rollup
Manual Summary
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External Tasks
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Page 1
CITY OF NATIONAL CITY
Office of the City Clerk
1243 National City Blvd., National City, California 91950-4397
619-336-4228
Michael R. Dalla, CMC - City Clerk
SAN DIEGO MECHANICAL ENERGY
National City Chiller Replacement, CIP No. 19-26
Change Order #2
Judith Hernandez (Engineering/Public Works) forwarded a copy of the Change Order to
San Diego Mechanical Energy.