GM-23-03-14-109 :I
e7Z BRUSHY CREEK
REGIONAL UTILITY AUTHORITY
A Farah*,ahlp of C941r Part, Lander_ and aau,4 huck
SUPPLEMENTAL CONTRACT NO. 2
TO CONTRACT FOR ENGINEERING SERVICES
FIRM: WALKER PARTNERS ("Engineer")
ADDRESS: 804 Las Cimas Parkway, Suite 150,Austin,TX 78746 _
PROJECT: Emerzency Re air of the Phase 1A Contract 2 Raw Water Pi eline
This Supplemental Contract No. 2 to Contract for Engineering Services is made by and between
the BRUSHY CREEK REGIONAL UTILITY AUTHORITY, INC., hereinafter called
"BCRUA" and Walker Partners, hereinafter called the"Engineer."
WHEREAS, BCRUA and Engineer executed a Contract for Engineering Services, hereinafter
called the"Contract," on the 28th day of September, 2022 for the Emergency Repair of the Phase
IA, Contract 2 Raw Water Pipeline Project in the amount of$75,200.00; and
WHEREAS, BCRUA and Engineer executed Supplemental Contract No. 1 on January 12, 2023
to modify the provisions for scope of services and to increase the compensation by $48,200.00 to
a total of$123,400.00; and
WHEREAS, it has become necessary to amend the Contract to modify the provisions for the
scope of services and to increase the compensation by $49,050.00 to a total of$172,450.00;
NOW THEREFORE, premises considered, BCRUA and the Engineer agree that said Contract
is amended as follows:
1.
Article 2 Enizineering Services and Exhibit B, Engineering Services shall be amended as set
forth in the attached Addendum To Exhibit B. Exhibit C, Work Schedule shall be amended as
set forth in the attached Addendum To Exhibit C.
II.
Article 4, Compensation and Exhibit D, Fee Schedule shall be amended by increasing by
$49,050.00 the maximum amount payable under the Contract for a total of $172,450.00, as
shown by the attached Addendum to Exhibit D.
IN WITNESS WHEREOF, BCRUA and the Engineer have executed this Supplemental
Contract in duplicate.
Supplemental Contract Rev.0312011
0140.4634.59;4884.6958.6518 215829
WALKS ARTN S
By:
3113/23 _
Date
2
BRUSHY CREEK REGIONAL UTILITY AUTHORITY,INC.
By; at,,ti
Karen Bondy, Genera anager
3/14/2023
Date
APPROVE A TO F0104
By: —4;zld)
Stephan L Sheets, BCRUA Attorney
ADDENDUM TO EXHIBIT B
Engineering Services
GENERAL
The purpose of Supplemental Amendment No. 2 is to assist Owner with repairing a failure to the
raw water line and investigate modifications to the raw water pump variable frequency drives and
reduced voltage soft starters to reduce pressure variations during starting and stopping of pumps.
BASIC SCOPE OF SERVICES
Task 3—Support for Repair of Raw Water Line and Electrical Evaluations
2.1 Project Administration and Meetings. Manage and coordinate staff resources and project
planning and prepare monthly invoices. Conduct coordination meetings with Owner as
needed.
2.2 Support for Raw Water Like Repair
2.2.1 Support Owner and its legal counsel in negotiating and preparing Contractor
agreement forms and general conditions. Since time is of the essence and the
repair of the pipeline is exempt from competitive bidding requirements, bid
documents including drawings and specifications are not being prepared.
2.2.2 Review inspection photographs and video to develop repair plan with Contractor.
2.2.3 Provie information and assistance as needed to indicate the scope and extent of
the Work to be performed and furnished by the Contractor. The repair plan will
incorporate the use of materials on hand or that are readily available to the
Contractor to the extent possible to minimize schedule impacts.
2.2.4 Consult with Owner and act as Owner's representative as provided in the General
Conditions.
2.2.5 Make visits to the Site as the Engineer deems necessary to observe the progress of
Contractor's work as an experienced and qualified design professional.
2.2.5 Provide construction sequencing requirements to the Contractor as needed.
2.2.7 Receive, review and determine the acceptability of schedules that the Contractor
submits. Coordinate with Owner to develop schedule for shutdown and startup
activities.
2.2.8 Review Contractor applications for payment and supporting documentation.
2.2.9 Coordinate with Owner and Contractor to operationally test the pipeline after
repairs are complete and place the line in service.
2.2.10 Engineer shall not be required to sign any documents, no matter by whom
requested, that would result in the Engineer having to certify, guarantee,or
3/10/2023 01-51 ,Fenalker Partners
gineers + surveyors
warrant the existence of conditions whose existence the Engineer cannot
ascertain. Owner agrees not to make resolution of any dispute with the Engineer or
payment of any amount due to the Engineer in any way contingent upon the
Engineer signing any such documents.
2.2.11 It is recognized that neither Engineer nor the Owner has control over the cost of
labor, materials or equipment; over the Contractor's methods of determining bid
prices; or over competitive bidding, market or negotiating conditions. Accordingly,
Engineer cannot and does not warrant or represent that bids or negotiated prices
will not vary from the Owner's Project budget or from any opinion of
construction cost or evaluation prepared or agreed to by Engineer.
2.2.12 Engineer shall not be responsible for the acts of omissions of the Contractor, or of
any subcontractors, suppliers, or other individuals or entities performing or
furnishing any of the Work. Engineer shall not be responsible for the failure of any
Contractor to perform or furnish the Work.
2.3 Pump Motor and Control Evaluation
2.3.1 Record drawing investigation. Review record drawings of one line diagrams,
pumps, motors, VFD, and reduced voltage soft starters to develop recommended
VFD and soft starter settings.
2.3.2 On-Site Optimization.
2.3.2.1 Subcontract Five Star Electric to assist with the Benshaw soft starter and
Siemens VFD programming.
2.3.2.2 Implement and tune recommended settings to achieved reduced
pressures during pump start and stop.
2.3.2.3 Up to 4 on-site trips have been accounted for as this process is unlikely
to be completed in a single day or single trip.
2.3.3 Design Power Down System.
2.3.3.1 Determine feasibility of adding backup power to the existing system to
enhance utility disturbance ride through and to allow controlled pump
stop in a complete power failure scenario.
2.3.3.2 If feasible, provide drawings and specifications for backup power.
3/10/2023 (DWaler Partners
engineers + surveys +s
ADDENDUM TO EXHIBIT C
Work Schedule
It is anticipated that Basic Services will be required for a duration of approximately two months.
3/10/2023 QWAer Partners
engineers * surveyors
ADDENDUM TO EXHIBIT D
Fee Schedule
Total compensation for services under Supplemental Amendment No. 2 is estimated to be$49,050.
OWNER shall pay ENGINEER for Basic Services on the basis of Standard Hourly Rates as described in
Paragraph 2.0 of Exhibit D Compensation of the original Agreement.
Total compensation for the Project shall be adjusted to $172,450.
Project QC Senior Total WP 8ubtonaultant Total
Mans ar Rovlswsr En Ineer Hours Exp&nzoa Total Cost McKim S Creed Fee
2.1 Proleal AdmInistration"d n 4 4 5200 $1400 51400
2.2 Su port for Raw Water Line Re air 16 4 8 28 $200 $8.300 535.000 $43.300
2.3 Pump Motor and Control Evaluation a 8 5200 S2,600 52,600
Sub Mana amenlFee S1.750 $1.750
TOTALS 28 4 a 40 4600 414,050 $35,000 $49,D50
3,'10/2023 @0WAer Partners
engineers + surveyors