HomeMy WebLinkAbout20081866.tiff CHANGE ORDER NO. 1
Weld County On-Call Geotechnical Testing Service
Date: 7/4,206S'
Project: Weld County On-Call Geotechnical testing generally consists on ensuring materials used during construction meet
contract specifications for embankment, gravel, concrete and asphalt.
Owner: Weld County Public Works Department, PO Box 758, Greeley,Colorado 80632
Consultant: Terracon Consultants, Inc. 1242 Bramwood Place,Longmont, Colorado 80501
The following change is hereby made to the Contract Documents:
Contract Time Extension: The original Agreement for Professional Services is extended from June l8'", 2008 to June
17°i, 2009 as permitted by the contract. This extension is the second year of the four year
term limit.
Change to Original Rate Schedule: The 2007 Rate Schedule of the original contract shall be replaced with the attached
Exhibit A, 2008 Rate Schedule. The limit of increase does not exceed the Denver
Boulder CPI per the contract requirements.
CHANGE TO CONTRACT PRICE:
See attached Exhibit A, 2008 Rate Schedule
The limit of$50,000 compensation per work order is not modified by this change order and remains in effect.
CHANGE TO CONTRACT TIME:
The Contract time will be increased by 365 calendar days.
RECOMMENDED:
Owner Representative: �, //(11.-A Date: JUL 0 2 2008
William H. Jerke. Chair
Engineer: Date:_ 6
APPROVALS:
Consultan�t:i,Tcrracon (' nnsu tangs. Inc.
In /'
By: �'t-'�GL�' ��� �- ^7 Date: b��G/�O
Title: P/A/A-)(171'1
l/�,,, }I (//lam `,/I,� 2008-1866
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Exhibit A
lierraccin
Weld County Department of Public Works
On-Call Geotechnical Testing Services: Cost Sheet
ITEM NO. DESCRIPTION Unit PRICE
SOILS
101 Atterberg Limits,Classification, Liquid Limit, Plastic Limit,Plasticity Index Ea Test 73.50
102 Hveem Stabilometer-"R"Value Ea 310 00
103 Proctor-Standard Ea. 119.00
104 Proctor-Modified Ea 129 00
105 Nuclear Field Density Test 3 or More Tests Per Trip Ea.Test 29.00
107 Sieve Analysis-(Plus#4 Material) Ea Test 4i_00
108 Sieve Analysis-(#4 to minus 200 Material) Ea.Test 46.00
CONCRETE
201 Standard Concrete Cylinders(Including sampling in Field,Stump, Unit Set of 4 227 00
Weight,Yield,Air Content,Temperature,Casting,Curing,Testing and
Reporting)
202 Compressicn Test(Cap,Cure and Break FOB Lab) Ea.Test 14.50
ASPHALT
301 Sieve Analysis-(Plus#4 Material) Ea.Test 46.00
302 Sieve Analysis-(Minus#4 Material) Ea. Test 51 00
303 Specific Gravity and Absorption(Plus#4 Material) Ea.Test 67.00
304 Specific Gravity and Absorption(Minus#4 Material) Ea.Test 67 00
305 L A Abrasion Test Ea.Test 124 CO
306 Fractured Face Determination Ea Test 46.50
307 Flat and Elongated Particles Ea Test 46.50
308 Maximum Theoretical Specific Gravity for Air Voids(Rice) Ea.Test 88 00
309 Lottman(TSR)Test Ea Test 248.00
310 Mix Design Bulk Unit Weight ano Hveem Stability Verification Ea. Test 258.00
311 Determination of Bitumen Content by Extraction,Gradation Analysis of Ea. Sample 185 00
Extraction(To be sampled by Consultant)
312 Determination of Bitumen Content ay Extraction(To be sampled by Ea Sample 124.00
Consultant)
313 Nuclear Field Density Tests(3 or More Tests per Trip) Ea Test 2.7 00
3.4 Core Field Samples Per Hour 46 00
Per Inch 5 00
HOURLY RATES
.{?1 Principal Engireer Per Hot.r 103 CO
402 Geotechnical EngineeriDepartment Manager/Pro ect Manager Per Hour 88 00
403 Senior Field Technician Per Hour 49 50
404 Field Technician Per Hour 49 50
405 Other Field Engineer/Geologist Per Hour 73 50
Exhibit A _.
BOARD OF COUNTY COMMISSIONERS
REVIEW/WORK SESSION REQUEST
RE: Terracon Contract Work Order 6 for material testing on rd. 2 and new pay rate schedule for 2008.
DEPARTMENT: PUBLIC WORKS DATE: 6-16-2008
PERSON REQUESTING: Joshua Holbrook, Construction Inspection Supervisor.
Brief description of the problem/issue: Change Order No. 1 - The original agreement for Professional
Services could extended from June 18th, 2008 to June 17th, 2009 as permitted by the contract. This
extension would be in the second year of the four year term limit. The 2007 rate Schedule of the original
contract would be replaced with the attached Exhibit A, 2008 Rate Schedule.
Work Order No. 6 — Public Works is proceeding with WCR 2 Road Project from 1-76 to WCR 45. We
have selected Terracon to perform theses services under! the On-Call Geotechnical Contract. Terrracon
has submitted a proposal and will not exceed the cost to complete the requested services. These services
are required to ensure materials used during construction meet contract specifications for embankment,
gravel, concrete and asphalt. Attached is Work Order No. 6 outlining the scope of work and cost to
complete the work. Terracon estimates the cost for WCR 2 from I-76 to WCR 45 to be $19,337.00.
What options exist for the Board? (Include consequence, impacts, costs, etc. of options)
BOCC can either approve Work Order No. 6 and the Change Order No. 1 and continue proceeding with
the work or deny approval for Work Order No. 6 and Change Order No. 1.
Recommendation to the Board: I recommend approval of Work Order No. 6 and Change Order No. 1 for
Terracon under the On-Call Geotechnical Contract.
Approve Schedule
Recommendation Work Session Comments
William H. Jerke, Chair
Robert D. Masden, Pro-Tem N
William F. Garcia (2-6
David E. Long
Douglas Rademacher _
Attachments: Two (2) Work Order Form No. 6, Scope of Work, Two (2) Change Order from No. 1 with 2008
Rate Schedule
pc: Mona Weidenkeller, Public Works
M.\'Administration\Forms\Work Session Request.doc
MEMORANDUM
CTO: Clerk to the Board DATE: June 26, 2008
•
COLORADO FROM: Joshua Holbrook, Public Works
SUBJECT: Agenda Item
Attached are two originals of each:
1) Work Order Forms Pursuant to an agreement with Terracon,Terracon-6 in the amount
of$19,337.
2) Change Order for original contract time extension and change of original rate schedule
Please return one signed original each to Public Works upon execution.
Enclosures
M:\Francie\AgendaMikeBedell.doc
M: \IFrancie\AgendaJoshuaHolbrook. doc
OBP NO. B0700069
RE: GEOTECHNICAL TESTING SERVICES/Public Works Department
THE FOLLOWING PROPOSALS WERE PRESENTED ON APRIL 18TH, 2007 AND WERE
APPROVED BY THE WELD BOARD OF COUNTY COMMISSIONERS ON WED. MAY 16TH
2007:
VENDORS
EARTH ENGINEERING
4396 GREENFIELD DRIVE
WINDSOR CO 80550
TERRACON CONSULTING ENGINEERS & SCIENTISTS
1289 FIRST AVENUE
GREELEY CO 80631
GEOCAL INC
7290 SOUTH FRASER STREET
CENTENNIAL CO 80112-4286
CTL/THOMPSON INC.
351 LINDEN STREET UNIT #140
FT COLLINS CO 80524
SOILOGIC INC.
1435 HILLTOP CIRCLE
WINDSOR CO 80550
IT WAS THE DECISION OF WELD BOARD OF COUNTY COMMISSIONERS TO AWARD
THE BID FOR GEOTECHNICAL TESTING SERVICES TO TWO VENDORS, TERRACON
CONSULTING ENGINEERS & SCIENTISTS AND CTL/THOMPSON INC.
WELD COUNTY COLORADO
BY:
MONICA MIKA
DIRECTOR OF ADM. SERVICES
APRIL 17TH, 2007
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