7940 - Change Order 1 Executed
Docusign Transmittal Coversheet
File Name
Purchasing Contact
Contract Expiration
DocuSign Envelope ID: 88A792F1-4B43-4C15-84E1-7F886977DE50
CSP
NA
Crystal Westbrook
7940
NORTHWEST BOOSTER PUMP STATION-CHANGE ORDER #1
Contractor:Archer Western Construction
1411 Greenway Drive
Irving, TX 75038
Grady Hill
CHANGE ORDER NO.1
CSP 7940 CIP/ENG#PO #: 200156
Contract BID Amount:$14,053,000.00
10% Contingency Amount:1,405,300.00$
15,458,300.00$
Prior Approved CAA's:-$
Available Contingency:1,405,300.00$
$163,218.25 21
Contingency Remaining:1,242,081.75$ 611
Item
No.Spec. Section No.UOM BID QTY +/- QTY Unit Price Extended Price
$0.00
LS 0 1 8,799.93$ 8,799.93$
LS 0 1 24,648.77$ 24,648.77$
PCM‐03 Roof Joint Design LS 0 1 11,055.07$ 11,055.07$
PCM‐04 Steel Pipe Outlets LS 0 1 6,549.14$ 6,549.14$
PCM‐06 Foundation Subgrade Rev. LS 0 1 112,165.34$ 112,165.34$
$163,218.25
Item
No.Spec. Section No.UOM BID QTY +/- QTY Unit Price Extended Price
$0.00
‐$ ‐$
$0.00
$163,218.25
14,053,000.00$
15,458,300.00$
Northwest Booster Pump Station 163,218.25$
-$
14,216,218.25$
11.61%
1.16%
0%
Revised Contract Amount:
Percent Changes over NTE:
Total Change Order over Original Bid:
% of CAA Approved To-Date:
TOTAL CAA NEW ITEMS:
TOTAL OTHER FUNDED NEW ITEMS:
Total CO's:
Total CAA's:
Original Total Not To Exceed Amount:
N/A
OTHER FUNDED CONTRACT CHANGES (CO)
QUANTITY CHANGES TO EXISTING ITEMS
NEW ITEMS OF WORK
TOTAL OTHER FUNDED QTY CHANGES:
Description of work
N/A
Project:
New Contract Days:
Total Change Request:14,216,218.25$
Reason for change:
IFB#
This CAA Request:
PROJECT SCOPE AND REASON FOR CHANGE
Prior Approved Other Funded CO's:-$
Current Contract Amount w CO's:
Orig Contract Days:
Approved CO Days:
590
14,053,000.00$
Notice To Proceed Issued:
6/7/2022
Current Completion Date:
Original BID/Contract Amount:
TOTAL CO AMOUNT:
PCM‐01 Slab and Wall Control Joints
PCM‐02 Electrical Room Conductor Rev.
TOTAL CAA QTY CHANGES:
NEW ITEMS OF WORK
Contingency funds are used at City's discretion per contract spec language
Northwest Booster Pump Station
1/18/2024
New Completion Date:
2/8/2024
David Brown, Project Manager
CITY OF DENTON CHANGE ORDER FORM
City of Denton - Water Utilities
901A Texas Street
Denton, TX 76209
Description of work
This CO Days Request:
Total NTE Amount : This CO Other Funding Request:
Project Scope included in Contract:Items were missed during design/review which led to contractor bidding the project inaccurately.
Contingency funds being utilized for new line items due to PCMs 1,2,3,4, and 6. Design aspects missed during review and bid have caused some increases on the scope.
Separate validation sheet for PCMs 1‐6 available upon request.
-$
CONTINGENCY ALLOWANCE AUTHORIZED (CAA) CONTRACT CHANGES
QUANTITY CHANGES TO EXISTING ITEMS
0
DocuSign Envelope ID: 88A792F1-4B43-4C15-84E1-7F886977DE50
Signatory Lines will be updated by Purchasing if required
SUBMITTED BY: _____________________________ _______________________________
ACCEPTED BY DIRECTOR: _____________________________ _______________________________
ACCEPTED BY CONTRACTOR: _____________________________ _______________________________
ACCEPTED BY CONSULTANT/ENGINEER: _____________________________ _______________________________
PURCHASING: _____________________________ _______________________________
Name, Title
Name, Title
Name, Title
Signature
Signature
Signature
IS SUBJECT TO ALL CONTRACT STIPULATIONS AND COVENANTS.
Signature
Signature
Name, Title
Name, Title
THE AFOREMENTIONED CHANGE, AND WORK AFFECTED THEREBY,
]
DocuSign Envelope ID: 88A792F1-4B43-4C15-84E1-7F886977DE50
Josh Kercho Consultant PM
PMDAVID BROWN
Grady Hill PM
Stephen D. Gay Director
Crystal Westbrook Senior Buyer
1
Lanning, Jewel
From:Kercho, Josh <josh.kercho@kimley-horn.com>
Sent:Wednesday, August 31, 2022 5:51 PM
To:Carroll,Chris; Brown, David M; Jean-Bart, Valery; Garrett, Colton
Cc:Cronk, Natalie; Atkins, John
Subject:NWBPS - PCMs 01 thru 06
Attachments:RE: DME Service Request 2206-0418 Loop 288; PCM-006 Contractors Response.pdf; CP-006
Subsurface Changes rev1.pdf; Pages from 222081P0014 Martin Marietta Materials, Inc DocuSign.pdf
This message has originated from an External Source. Please be cautious regarding links and attachments.
All,
After discussing the various PCMs with David, I wanted to provide some more explanation/feedback on each one and
also include PCM No. 6 which the Contractor has indicated he is needing City approval for fairly quickly.
PCM‐01: Slab and Wall Control Joints
o In response to RFI No. 2 our structural engineering team determined that it was preferable to control
cracking in basement mat slab and walls
o Total Cost: $8,799.93 – Kimley‐Horn finds this proposal to be reasonable and recommends City approval.
PCM‐02: Electrical Room Conductor Revisions:
o In response to RFIs No. 7, 9, and 12, several electrical room components were rearranged to
accommodate larger VFD cabinets. The only cost component was to provide conductor wiring from the
DME Transformer to the Utility Disconnect. DME reviewed and provided comments 5 times which had
us moving the meter to and from the transformer (see attached correspondence) leading to confusion
as to whether DME would be providing conductor cabling up to their building mounted meter which
they requested.
o Total Cost: $24,648.77 – Kimley‐Horn finds this proposal to be reasonable and recommends City
approval.
PCM‐03: Roof Joist Design
o In response to RFI No. 6 truss designer requested more data regarding requirements for truss design.
Vendor has indicated that design changes resulted in approximately 1.5 tons of additional materials
o Total Cost: $11,055.07 – Kimley‐Horn finds this proposal to be reasonable and recommends City
approval.
PCM‐04: Steel Pipe Outlets
o In response to RFI No. 13 Kimley‐Horn requested Contractor to provide 4” flanged outlets with blind
flanges for all small connections. This was previously shown just for air release valves, but will provide a
maintenance benefit if also provided for 2‐water taps, and 6 – pressure switch/transducer taps in lieu of
threaded outlets.
o Total Cost: $6,549.14 – Kimley‐Horn finds this proposal to be reasonable and recommends City approval.
PCM‐05: Basement Drain Piping
o In response to RFI No. 17 basement sump piping was lowered and sump pump size decreased to
mitigate conflict between drain piping and basement mat foundation.
DocuSign Envelope ID: 5F160FFB-6781-4746-BDDF-D34389305EBBDocuSign Envelope ID: 88A792F1-4B43-4C15-84E1-7F886977DE50
SCOPE OF SERVICES
2
o Total Cost $0 – Contractor has agreed to this change for no cost increase.
PCM‐06: Foundation Subgrade Revisions (attached)
o In response to RFI No. 21 Kimley‐Horn revised mat foundation requirements as limestone elevation on‐
site was found to vary by several feet across the basement. Initial design intended for mat foundation to
be cast against undisturbed limestone (unformed). However, due actual elevation and loose soil, design
was required to be modified to permit additional excavation and to form mat foundation.
o Total Cost: $112,165.34 – Kimley‐Horn has reviewed this proposal and requested further details (also
attached), and discussed with Contractor and David Brown and find the pricing to be reasonable and
recommend City approval.
If you’d like to have a call to discuss the various items please let us know and I’m happy to set something up.
Additionally, the Contractor has indicated that they Are needing guidance regarding PCM‐06 as quickly as possible so
they can continue with the basement mat foundation preparation.
Thanks,
Josh Kercho, P.E. (TX)
Kimley-Horn | 801 Cherry Street, Unit 11, Suite 1300, Fort Worth, TX 76102
Direct: 817 339 2257 | Mobile: 817 925 0690 | Main: 817 335 6511
Connect with us: Twitter | LinkedIn | Facebook | Instagram
Celebrating 14 years as one of FORTUNE’s 100 Best Companies to Work For
DocuSign Envelope ID: 5F160FFB-6781-4746-BDDF-D34389305EBBDocuSign Envelope ID: 88A792F1-4B43-4C15-84E1-7F886977DE50
Certificate Of Completion
Envelope Id: 88A792F14B434C1584E17F886977DE50 Status: Completed
Subject: ***Purchasing Approval*** 7940-Change Order #1
Source Envelope:
Document Pages: 5 Signatures: 5 Envelope Originator:
Certificate Pages: 6 Initials: 0 Crystal Westbrook
AutoNav: Enabled
EnvelopeId Stamping: Enabled
Time Zone: (UTC-06:00) Central Time (US & Canada)
901B Texas Street
Denton, TX 76209
crystal.westbrook@cityofdenton.com
IP Address: 198.49.140.104
Record Tracking
Status: Original
9/23/2022 3:02:53 PM
Holder: Crystal Westbrook
crystal.westbrook@cityofdenton.com
Location: DocuSign
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Crystal Westbrook
crystal.westbrook@cityofdenton.com
Senior Buyer
City of Denton
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Consultant PM
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PM
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Stephen D. Gay
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Director
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Crystal Westbrook
crystal.westbrook@cityofdenton.com
Senior Buyer
City of Denton
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City of Denton
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Electronic Record and Signature Disclosure created on: 7/21/2017 3:59:03 PM
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