7703-005 - Amendment 2 Executed
DocuSign Transmittal Coversheet
File Name
Purchasing Contact
Docusign Envelope ID: AC40E498-C861-4986-8457-0336DDFFC12E
7703-005 FS9 D&S Amendment 2
Erica Garcia
7703-005 PSA – Amendment #2 Page 1 of 2
SECOND AMENDMENT TO CONTRACT
BY AND BETWEEN THE CITY OF DENTON, TEXAS
AND GEOTEX ENGINEERING, LLC.
PSA 7703-005
THE STATE OF TEXAS §
COUNTY OF DENTON §
THIS SECOND AMENDMENT TO CONTRACT 7703-005 (“Amendment”) by
and between the City of Denton, Texas (“City”) and D&S Engineering Labs, LLC
(“Engineer”); to that certain contract executed on January, 10, 2023, in the original not-to-
exceed amount of $82,935 (the “Original Agreement”); amended on August 7, 2023
replaced any reference to D&S Engineering Labs, LLC, to Geotex Engineering, LLC, (the
“First Amendment”); (collectively, the Original Agreement and First Amendment, are the
“Agreement”) for services related to the materials testing of soil & aggregate, concrete,
masonry, steel, and asphalt materials related to Denton Fire Station No. 9.
WHEREAS, the City deems it necessary to further expand the services provided by
Engineer to the City pursuant to the terms of the Agreement, and to provide an additional
not-to-exceed amount $5,927.28 with this Amendment for an aggregate not-to-exceed
amount of $88,862.28; and
FURTHERMORE, the City deems it necessary to further expand the goods/services
provided by Engineer to the City;
NOW THEREFORE, the City and Engineer (hereafter collectively referred to as the
“Parties”), in consideration of their mutual promises and covenants, as well as for other
good and valuable considerations, do hereby AGREE to the following Amendment, which
amends the following terms and conditions of the said Agreement, to wit:
1. The additional services described in Exhibit “A” of this Amendment, attached
hereto and incorporated herein for all purposes, for professional services related to
the Denton Fire Station No. 9, are hereby authorized to be performed by Engineer.
For and in consideration of the additional services to be performed by Engineer, the
City agrees to pay, based on the cost estimate detail attached as Exhibit “A”, a total
fee, including reimbursement for non-labor expenses an amount not to exceed
$5,927.28.
2. This Amendment modifies the Agreement amount to provide an additional
$5,927.28 for the additional services with a revised aggregate not to exceed total of
$88,862.28.
Docusign Envelope ID: AC40E498-C861-4986-8457-0336DDFFC12E
7703-005 PSA – Amendment #2 Page 2 of 2
The Parties hereto agree, that except as specifically provided for by this Amendment, that
all of the terms, covenants, conditions, agreements, rights, responsibilities, and obligations
of the Parties, set forth in the Agreement remain in full force and effect.
IN WITNESS WHEREOF, the City and the Engineer, have each executed this
Amendment electronically, by and through their respective duly authorized representatives
and officers on this date _________________________.
“Engineer”
GEOTEX ENGINEERING, LLC.
By: ______________________________
AUTHORIZED SIGNATURE, TITLE
APPROVED AS TO LEGAL FORM:
MACK REINWAND, CITY ATTORNEY
By:
_________________________________
“CITY”
CITY OF DENTON, TEXAS
A Texas Municipal Corporation
By: _______________________________
THIS AGREEMENT HAS BEEN
BOTH REVIEWED AND APPROVED
as to financial and operational
obligations and business terms.
_______________ ________________
SIGNATURE PRINTED NAME
__________________________________
TITLE
__________________________________
DEPARTMENT
Docusign Envelope ID: AC40E498-C861-4986-8457-0336DDFFC12E
Senior Project Manager
Director of Capital Projects
Trevor Crain
Director of CapitalProjects
10/14/2024
September 20, 2024
Purchase Order No. 202475 – Change Order No. 2
Mr. Joseph Pipkin
HPM Leadership
jpipkin@hpmleadership.com
Subject: Construction Materials Testing Services
Denton Fire Station No. 9
Denton, Texas
Purchase Order No. 202475
Dear Mr. Pipkin:
Geotex Engineering, LLC (formerly D&S Engineering) would like to respectfully submit this change order for
construction materials testing for the above-referenced project. We understand that the project entails the
construction of a new fire station at 4900 Airport Road in Denton, Texas.
This change order is based on Architectural, Structural plans dated May 24, 2023; and Revised Civil Construction
plans dated September 11,2023 and geotechnical report by D&S Engineering Labs, LLC dated November 3,
2017.
PROJECT INFORMATION
Based on our review of the new project plans and specifications, we now understand that the project will
consist of the following:
♦ Paving:
♦ Scarified and re-compacted subgrade for pavements
♦ Portland cement concrete paving
♦ Miscellaneous:
♦ Utility trench backfill for Storm Drain Line Replacement
SCOPE OF SERVICES
The following scope of services is based on our review of the project documents and is limited to providing
testing and/or observations for the previously mentioned construction. We do request that your construction
representative provide us with a 24-hour notice for scheduling purposes. As such, we agree to provide the
appropriate personnel to perform the below construction materials services.
EXHIBIT A
Docusign Envelope ID: AC40E498-C861-4986-8457-0336DDFFC12E
Earthwork
Obtain and perform laboratory moisture/density relations (ASTM D698) and soil classification
tests (liquid limit, plastic limit, and percent finer than no. 200 sieve analysis) for each soil type
Perform in-place moisture/density tests at the proposed rate of 1/100 linear feet for the utility
backfill and pavement subgrade, with a minimum of 3 tests per lift
Cast-In-Place Concrete
Perform testing during concrete placements, which will include:
perform ambient and concrete temperature determinations.
perform entrained air content determination.
perform slump determination.
Cast concrete test cylinders at the proposed rate of 5/100 cubic yards of concrete placed, or
fraction thereof placed per day
Compressive strength determination of concrete test cylinders with one tested at 7 days, three
tested at 28 days, and one held in reserve.
Notes and Qualifications:
Preparation of a compliance letter or other tasks and services that will require Professional Engineering (PE)
hours will be billed at the PE’s rate of $165/hour.
COMPENSATION
Estimated Total Budget: $88,862.28
Purchase Order 202475 Amount: $82,935.00
Change Order No. 2 Amount: $5,927.28
The invoicing for this project will use the attached Fee Schedule and the actual quantity of work performed.
The estimated budget will not be exceeded without prior approval. The services provided by Geotex
Engineering will be consistent with the engineering standards prevailing at the time and in the area that the
work is performed; no other warranty, express or implied, is intended.
We appreciate the opportunity to provide you with our services. Please call if you have any questions or wish
to discuss any aspect of our proposal.
Sincerely,
Geotex Engineering, LLC
Robert Duncan
Senior CMET Project Manager
Attachments: Budget Estimate
EXHIBIT A
Docusign Envelope ID: AC40E498-C861-4986-8457-0336DDFFC12E
Geotex Engineering
1101 Shady Oaks Drive
Denton, Texas 76205
Phone: 940.735.3733
Quantity Unit Unit Rate Total
4 each $15.00 $60.00
8 each $15.00 $120.00
4 hour $60.00 $240.00
4 hour $60.00 $240.00
Trip Charge 2 trip $50.00 $100.00
Project Manager 1 hour $115.00 $115.00
Project Administration n/a %10 $88.00
$963.00
Concrete Test Cylinders (4 x 8 inch) 10 each $20.00 $200.00
(Includes: ambient & concrete temperatures, slump, air & unit weight)
Certified Engineering Concrete Technician (Min. 4 hrs. per trip)16 hour $60.00 $960.00
(Includes reinforcing observation & cylinder pick up)
Trip Charge 5 trip $50.00 $250.00
Project Manager 2 hour $115.00 $230.00
Project Administration n/a %10 $164.00
$1,804.00
Storm Shelter Final Inspection 4 hour $165.00 $660.00
Trip Charge 1 trip $50.00 $50.00
Project Manager 1 hour $115.00 $115.00
Project Administration n/a %10 $83.00
$908.00
Project Setup Fee 1 each $100.00 $100.00
Allowance for Sr. Engineer, Site Visits, Compliance Letters, ect.2 hour $165.00 $330.00
$430.00
$4,105.00
20% Contingency for Delays, Cancellations and Out of Scope Work $821.00
Overages from Invoice No. 16 dated 6/30/2024 $535.03
Overages from Invoice No. 17 dated 7/31/2024 $466.25
Total Cost for Change Order No. 2 $5,927.28
Original Contract Amount:$82,935.00
Revised Total Contract Amount:$88,862.28
The fees listed above for field and laboratory tests, include the equipment necessary to accomplish the task. Fees
not listed above are available upon request. Overtime at 1.5 times the normal rate will be billed for time in excess of
8 hours per day and Saturdays, and for time worked before 7 a.m and after 6 p.m. Overtime at 2.0 times the normal rate
will be billed for Sundays and holidays.
In-Place Moisture-Density Tests (Paving) Min 3 Per Trip
Budget Estimate for Construction Materials
Testing & Observation Services
Denton Fire Station No. 9
City, Texas
Geotex Project No. 22-0347
CHANGE ORDER No. 2
Storm Shelter Doors and Louvers
Item
In-Place Moisture-Density Tests (Utilities) Min 3 Per Trip
Certified Engineering Soils Technician - Paving (Min. 4 hrs. per trip)
Certified Engineering Soils Technician - Utilities (Min. 4 hrs. per trip)
Estimated Total for Earthwork Services for Paving & Utilities:
Concrete Observation & Testing - Paving & Utilities
Earthwork Observation & Testing Paving & Utilities
Estimated Total for Concrete Services for Paving:
Estimated Total for Professional Services:
Estimated Total for Above Services:
Estimated Total for Structural Wood Services:
EXHIBIT A
Docusign Envelope ID: AC40E498-C861-4986-8457-0336DDFFC12E
Certificate Of Completion
Envelope Id: AC40E498C861498684570336DDFFC12E Status: Completed
Subject: ***Purchasing Approval*** 7703-005 FS 9 Amendment 2
Source Envelope:
Document Pages: 6 Signatures: 4 Envelope Originator:
Certificate Pages: 5 Initials: 1 Erica Garcia
AutoNav: Enabled
EnvelopeId Stamping: Enabled
Time Zone: (UTC-06:00) Central Time (US & Canada)
901B Texas Street
Denton, TX 76209
erica.garcia@cityofdenton.com
IP Address: 198.49.140.10
Record Tracking
Status: Original
10/4/2024 3:20:43 PM
Holder: Erica Garcia
erica.garcia@cityofdenton.com
Location: DocuSign
Signer Events Signature Timestamp
Erica Garcia
erica.garcia@cityofdenton.com
Senior Buyer
City of Denton
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(None)
Completed
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Sent: 10/4/2024 3:24:30 PM
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Signed: 10/4/2024 3:25:04 PM
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Lori Hewell
lori.hewell@cityofdenton.com
Purchasing Manager
City of Denton
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Marcella Lunn
marcella.lunn@cityofdenton.com
Senior Deputy City Attorney
City of Denton
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Robert Duncan
rduncan@geotex-engineering.com
Senior Project Manager
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Trevor Crain
Trevor.Crain@cityofdenton.com
Director of Capital Projects
City of Denton
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Erica Garcia
erica.garcia@cityofdenton.com
Senior Buyer
City of Denton
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(None)
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Cheyenne Defee
cheyenne.defee@cityofdenton.com
Procurement Administration Supervisor
City of Denton
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Envelope Summary Events Status Timestamps
Envelope Sent Hashed/Encrypted 10/4/2024 3:24:30 PM
Envelope Updated Security Checked 10/8/2024 10:01:28 AM
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Certified Delivered Security Checked 10/14/2024 3:29:41 PM
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Electronic Record and Signature Disclosure created on: 7/21/2017 3:59:03 PM
Parties agreed to: Robert Duncan, Trevor Crain
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