HomeMy WebLinkAboutResolution - 4563 - Supplemental Agreement #3- HDR Engineering Inc- Data Colection, Landfill Project - 07/28/1994Resolution No. 4563
Item #25
July 28, 1994
RESOLUTION
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF LUBBOCK:
THAT the Mayor of the City of Lubbock is hereby authorized and directed to execute for
and on behalf of the City of Lubbock a Supplemental Agreement No. 3 to the City of Lubbock
Landfill Site Selection and Permiting Agreement of October, 1992, by and between the City of
Lubbock and HDR Engineering, Inc., modifying the expenses for engineering services necessary
for the collection of data required for the landfill permitting application required by the TNRCC.
Said Supplemental Agreement No. 3 is attached hereto and shall be spread upon the minutes of
the Council and as spread upon the minutes of this Council shall constitute and be a part of this
Resolution as if fully copied herein in detail.
Passed by the City Council this
ATTEST:
«s7�
Betty A4. Jo6s—ojCity Secretary
APPROVED AS TO CONTENT:
Q '
LEe Ramfre4 Superintendent of Solid Waste
APPROVED AS TO
Defiald G. Vandiver, First Assistant City
Attorney
nov j.r WRcc.REs
ccdocs/A419, 1994
Resolution No. 4563
July 28, 1949
Item #25
SUPPLEMENTAL AGREEMENT NO. 3
TO THE
AGREEMENT DATED OCTOBER 8, 1992
BETWEEN
CITY OF LUBBOCK, TEXAS
OWNER
AND
HDR ENGINEERING, INC.
ENGINEER
FOR
PROFESSIONAL ENGINEERING SERVICES
FOR THE
LANDFILL SITE SELECTION AND PERMITTING
PROJECT
JULY 28. 1994
SUPPLEMENTAL AGREEMENT NO. 3
TO THE
AGREEMENT DATED OCTOBER 8, 1992
BETWEEN
CITY OF LUBBOCK, TEXAS
OWNER
AND
HDR ENGINEERING, INC.
ENGINEER
FOR
PROFESSIONAL ENGINEERING SERVICES
FOR THE
LANDFILL SITE SELECTION AND PERMITTING
PROJECT
THIS IS SUPPLEMENTAL AGREEMENT NO. 3 made as of July 28, 1994 between the
City of Lubbock, Texas and HDR Engineering, Inc. for modifications to the AGREEMENT
BETWEEN CITY OF LUBBOCK, TEXAS AND HDR ENGINEERING, INC. FOR
PROFESSIONAL ENGINEERING SERVICES dated October 8, 1992.
OWNER and ENGINEER, in consideration of the mutual covenants contained herein,
agree to modifications to the Agreement as follows:
Change the Agreement Section Attachment C - Paragraph A - Phase II - Work
Element C to read;
The maximum billed for these Engineering Services shall not exceed $466,410.
In addition, Engineer's and Subcontractor's reimbursable expenses are estimated
to be $376,300. The fee schedule for the Engineer's services is presented in
Paragraph E.
2. Replace Supplemental Agreement No. 1, dated December 9, 1993 Attachment A -
Phase II - Scope of Services - Project Assumptions - 5th Paragraph with the
following:
A total of 68 borings will be used to describe the geologic and hydrogeologic
conditions at the proposed landfill site. These borings will include five of the May
1993 borings and an additional seventy six borings. Thirty of these borings will be
advanced to a depth of at least five feet below the elevation of the deepest
excavation at the site. Fifteen borings, with a minimum depth of 30 feet below the
elevation of the deepest excavation at the site will be advanced to the base of the
Ogallala Formation, the top of the saturated zone in the Ogallala, or into shallower
perched water -bearing zones in the Ogallala, whichever is encountered first.
Borings terminating in perched water -bearing zones will be converted into two-inch
diameter piezometers. Three borings will penetrate through the Ogallala Formation
and Edwards Limestone and into the underlying Triassic shale, which serves as
an aquiclude. The remaining fifteen of these borings will be advanced deep into
the saturated zone of the Ogallala Formation and converted into two or four -inch
diameter piezometers. All of the piezometers will be utilized in the site
groundwater characterization study. All boring locations will be surveyed by a
licensed surveyor.
3. Add the following assumptions.
Any borings that are drilled into the limestone may encounter crevices and or
caverns, which will increase the cost of the project. Any additional piezometers
required caused by the discovery of perched zones will increase the cost of the
project.
Except as modified herein, all other provisions of the Agreement remain unchanged.
IN WITNESS WHEREOF, the parties have executed this Supplemental Agreement as of
the day and year first written above.
Approved As To Content:
�G
By:
Name:" 1-4e R. Ramirez
Title: Superintendent
Solid Waste
Approved As To Form:
By:(�
Nam Donald G. Vandiver
Title: First Assistant City Attorney
Address: 1625 13th Street
Lubbock, Texas 79457
Attest
By:
. &,,,-
Name: 6etfy M. 9ohnson
Title: City Secretary
"ENGINEER"
HDR ENGINEERING, INC.
Approved:
Name: William R. Hindman. P.E.
Title: Senior Vice President
Address: 12700 Hillcrest Road
Suite 125
Dallas, Texas 75230-2096