HomeMy WebLinkAbout20140388.tiff RESOLUTION
RE: APPROVE WORK ORDER FORM (FLOOD REPAIRS - EM-BR13/26A) PURSUANT TO
AGREEMENT FOR DESIGN SERVICES AND AUTHORIZE CHAIR TO SIGN - ICON
ENGINEERING, INC.
WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to
Colorado statute and the Weld County Home Rule Charter, is vested with the authority of
administering the affairs of Weld County, Colorado, and
WHEREAS, the Board has been presented with a Work Order Form (Flood Repairs -
EM-BR13/26A) Pursuant to Agreement for Design Services between the County of Weld, State of
Colorado, by and through the Board of County Commissioners of Weld County, on behalf of the
Department of Public Works, and Icon Engineering, Inc., commencing January 13, 2014, with
further terms and conditions being as stated in said work order form, and
WHEREAS, after review, the Board deems it advisable to approve said work order form, a
copy of which is attached hereto and incorporated herein by reference.
NOW, THEREFORE, BE IT RESOLVED by the Board of County Commissioners of Weld
County, Colorado, that the Work Order Form (Flood Repairs - EM-BR13/26A) Pursuant to
Agreement for Design Services between the County of Weld, State of Colorado, by and through
the Board of County Commissioners of Weld County, on behalf of the Department of Public
Works, and Icon Engineering, Inc., be, and hereby is, approved.
BE IT FURTHER RESOLVED by the Board that the Chair be, and hereby is, authorized to
sign said work order form.
The above and foregoing Resolution was, on motion duly made and seconded, adopted
by the following vote on the 10rd day of February, A.D., 2014, nunc pro tunc January 13, 2014.
BOARD OF COUNTY COMMISSIONERS
((��((,�`t � ' � ELD COU COLORADO
ATTEST: C/,�w/ JC.1�'� - (1j 'I'1G2 CIA
Dougl s Rade cher, Chair
Weld County Clerk to the Board r. i
Ai
ara Kirkme e , Pro-Tem/
BY:
De's ty Clerk to the Boar.i► l :',, USED
;r Po,. P. Conway
APROO D • ®� ? 9 ) p
�� Mike Freeman
ounty Attorney --
c7 X1 1
William F. Garcia
Date of signature a'dis'µ/
C_Ci'.-FlA3 i OEM 2014-0388
c9 .a,"I� EG0070
BC0045
WORK ORDER FORM (FLOOD REPAIRS)
PURSUANT TO AN AGREEMENT BETWEEN
WELD COUNTY
AND
ICON ENGINEERING, INC.
DATED: February 6. 2014
Work Order Number: ICON - 2
Project Title: EM-BR 13/26A I Design Services (Immediate Needs Prior to Spring Runoff)
Commencement Date: January 13. 2014
Completion Date: March 30. 2014
Limitations on compensation: Not to exceed $30.412.00
Professional agrees to perform the services Work, Exhibit B — Cost/Fee Breakdown,
identified above and on the attached forms in Exhibit C — Proposed Schedule.
accordance with the terms and conditions
contained herein and in the Professional
Services Agreement between the parties, dated Weld County Public Works Department
January 13, 2014. In the event of a conflict e
between or ambiguity in the terms of the By: , 1 firfrimfr1/4./
Professional Services Agreement and this work Project anger
order (including the attached forms) the Date: 4/ 7/ I '1
Professional Services Agreement shall control. 7 ( )
By: JCunn G �_ i, --
County Engi ee
Date: i
ICON Engineering. Inc.
By: el
By: �.l!yir9 .��sifiLD1 Director of Public Works
Date: 2 -7- /9
Title: President
Date: it/t y pp
The attached forms are hereby accepted and B J�� 4cLr
incorporated herein: Exhibit A - Scope of Douglas Rademac er, BOCC Chair FEB 204
Al l'h.ST:
Weld County Clerk to the Board
161 =' . �) � /� GG
'��iod` By7Gf( QcYQ t J
® _F 4.. Deputy-Clerk to the Board
2014-0388
ICON Engineering, Inc. ][ (C(Q)T
ENGINEERING, If 1C.
EXHIBIT A—SCOPE OF SERVICES
Weld County 2013 Flood Recovery
EM-BR13-26A-CR13 Bridge Over St.Vrain
Structure Description: This FHWA structure is a prestressed concrete girder bridge 206-feet long with
three spans. The deck is concrete cast-in-place with a bituminous pavement wearing surface. According
to the 2012 Bridge Inspection Report, the sufficiency Rating of the improvement is 97.4 with no
deficiencies noted. Although currently stripped for two lanes, the deck has a driving width of 65-feet to
accommodate a future expansion of the roadway, which is approximately 24-feet wide at each end of
the bridge.
During the 2013 flood event, the bridge was not apparently
overtopped, however, the roadway north of the bridge is several
r feet lower than the bridge deck, and significant overtopping of the
�+..�.( roadway with subsequent damage occurred. The point of the
roadway is located approximately 500-feet north of the bridge
northern abutment as shown on the image to the left. Damage to
the roadway was repaired under emergency work completed
earlier by the County (see picture below, left hand side). This low
spot may have served as an access to the sand and gravel operation
-� east of the roadway. Additional erosion damage also occurred at
- the bridge, particularly to the western bank at the bridge northern
abutment. Damage at this location included blockage of an existing
storm sewer pipe system that served as a collector for local runoff
from the roadway as shown on the picture below, right hand side. Minor damage to the bridge guard
rail in this vicinity was also noted, but may not have been related to the flood.
7.7
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Work Required Before Spring Run-Off: Although the roadway received emergency repairs, and appears
to be well constructed, at this time we have not been able to verify that the construction meets design
standards. As a result of the roadway embankment work, the unpaved area of the eastern shoulder
lacks vegetation and would be subject to erosion from surface runoff. Additionally, if the St. Vrain Creek
bank capacity upstream of the bridge is again exceeded, then the roadway would again be overtopped,
with likely similar results as occurred from the 2013 event. Consequently, it is our recommendation that
the integrity of the roadway embankment be confirmed, and that armoring and revegetation of the
T
ICON Engineering, Inc. 1[ C`O) 1
ENGINEERING, INC.
eastern shoulder be undertaken. Additionally, the erosion damage at the western side of the northern
bridge abutment must be addressed. Due to the relatively high flows at the time or our initial site visit,
we were not able to determine the degree of scouring that occurred at the bridge piers, although it is
clear that the creek bed does dip at the piers. We recommend that an inspection be made of the bridge
and scour holes to determine if significant changes have occurred to the structure when compared to
earlier inspections.
Work Required To Return Assets To Pre-Flood Conditions: Assuming that the pre-spring runoff repairs
are made, and assuming that the detailed inspection does not reveal scour damage or other structural
damage, we do not envision further modifications will be required to bring the assets up to pre-flood
conditions.
Work Required For Mitigation or Betterment: It was noted that the bridge railing is attached to a
raised concrete beam which also serves as small gutter along the deck of the bridge / roadway. Local
drainage flows from precipitation falling on the bridge
drains to the outside edges of the bridge and is
collected by this gutter and directed to the ends of the - �.
bridge. At each of the four ends of the gutter, the •
asphalt roadway beyond the bridge abutments does
not have a similar gutter feature, and drainage flows - •
_ •
can cascade down the edge of the bridge. Temporary
measures (including sand bags and wood planks) have
been used to try to redirect these flows, as shown in
the photo to the right. This has created the
opportunity for erosion of the embankment close to
the bridge abutments. We feel that extending the
gutter along the roadway and providing a formal
rundown would be in the County's best interest. Additionally, there are some minor maintenance issues
that could be considered, such as repairs to damaged guard rails, and resealing and resurfacing the
asphalt wearing surface of the deck. Lastly, the County may wish to enter into discussion with the land
owners adjacent to the low point on the roadway to evaluate the need for providing additional St. Vrain
Creek flood relief(such as a large capacity culvert)at this location.
Right Of Way Needs: A construction access easement should be obtained along the northwest side of
the bridge to allow repairs to the erosion in this area. Discussion will be held with the County to
determine if this easement should be temporary or permanent in order to provide future maintenance
access. Based on conversations with the land owner (Varra) in the area of the road embankment
repairs, we believe that the work to the roadway shoulder in this area can be accomplished without
need for an easement in this area. In the event that the mitigation / betterment repairs are initiated,
temporary access easements may be needed to all four corners of the bridge, although the construction
would likely be limited to existing County ROW.
Construction sequencing, constructability issues: We do not foresee significant sequencing or
constructability issues for this work. However, as discussed previously, the bridge was designed to
accommodate a future widening of the roadway. It is our understanding that the road widening is not
currently funded. If this changes, it may be advisable to accept risk of erosion damage to the repaired
shoulder rather than constructing improvements that may be eliminated if the roadway were widened
in the immediate future. It will be necessary to schedule construction and sequencing in order to allow
ICON Engineering, Inc. lE CO) 1 \`
ENGINEERING, IMC.
the construction contractor to perform dewatering operations as the erosion damage at the west side of
the north abutment may extend down to the water's edge. If the flows in river are too high to dewater
effectively we may have to wait to complete construction on this site specifically related to the
northeast corner of the bridge.
Detailed Scope of Work: We envision our work to follow the general outline below.
Pre-Design Tasks:
1. Meetings: Common to all projects will be attending weekly meetings either as a participant with
the other three consultants, or separately as a part of the projects specifically assigned to ICON.
Meetings with the other consultants are assumed to be held at the Weld County Public Works
office, while the ICON specific meetings are assumed to be held at the Weld County Services
Center located near the County Road 24 Exit from I-25. These meetings are assumed start on
January 28th and running through the Phase 1 design period.
2. Obtain Base Mapping: We will prepare base mapping using the available FEMA LiDAR
information flown after the flood event. Additional field surveys will be required to pinpoint
critical elevations and locations of improvements.
3. Utility Research: We will request utility maps from owners known to operate in the area, and
will plot the locations based upon the provided information. This information will be further
refined by field surveys of exposed lines. We will call for locates near the bridge NE corner and
have included costs for three potholes.
4. Geotechnical Investigations: At the roadway repaired section, we anticipate drilling four shallow
borings through previous existing and recently placed pavements to evaluate the pavement
thicknesses and underlying embankment fill materials. Geotechnical recommendations will be
made regarding pavement thicknesses, pavement subgrade preparation; earthwork
recommendations for temporary and permanent slopes; erosion and scour protection foe the
recently reconstructed roadway embankments.
5. Environmental Permitting Evaluations: ERO will prepare a listing and opinion of need for all/any
environmental permits that may be required for each phase of work. Accompanying this
subtask will be confirming letters from applicable review entities. (Note: it is assumed that no
Individual 404 Permit is required).
Phase 1: Design Work To Be Done So Construction Can Be Completed Before Spring Runoff:
1. Detailed site visit
2. Prepare Hydraulic Analysis of proposed improvements (Note: We assume that a no rise situation
will result,therefore no FEMA LOMC required).
3. Prepare plans for proposed improvements (described above)
4. Prepare plans for storm sewer outfall including grading plan on northwest corner of bridge
5. Coordination with local land owners
6. Coordination with ICON Team Members
7. Quantity Estimates
8. Unit Price Cost Estimate
9. Prepare Technical Specifications
10. Submit Draft Plans and Specifications To County
11. Revise and resubmit
Phase 2: Design Work To Return To Pre-Flood Conditions Note: the scope of work required to
design the work needed to return the site to pre-flood conditions will be covered under another
work order. At this time, no work contemplated under this phase
ICON Engineering, Inc. 1[ CON
ENGINEERING, INC.
Phase 3: Design Work For Mitigation/ Betterment Work Note: the scope of work required to design
the work needed for mitigation / betterment will be covered under another work order. At this
time, we foresee it including:
1. Design gutter system and rundown for all four corners of bridge.
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PROPOSAL /CONTRACT
BTrenchIes
A Division of TConatsactlon Date: February 5, 2014
9885 Emporia Street
Henderson.CO 80640
Phone 303-286-0202
Fa'c 303-286-1262
Submitted To: Icon Engineering Project: St.Vrain River Flood Clean Up
Penn Gildersleeve
pgildersleeve@iconeng.com
QNTY - UM Total Price
1. Standard Vac Truck Includes Traffic Control, Layout and Disposal Hole $450.00 _
2. Standard Vac Truck- Excludes Traffic Control Hole $300.00
Estimate of Proposal $Per Hole
Inclusions:
1. Equipment necessary to complete scope of work
2. Standard Vac Truck up to 12' Deep
3. Traffic Control included in estimated item It I
4. Disposal Fee included in estimated item# 1
Exclusions:
1. Hazardous materials of any kind
2. Surveying
4. Dewatering
5. Removal of any locate marking, paint
6. Railroad Insurance
7. Railroad Flaggers
8. Asphalt restoration
9. Concrete Panel replacement
10. Landscaping Restoration
Scope of Work: Standard Vac Truck Estimated per Hole $450.00 Will include traffic control, layout and disposal.
Standard Vac Truck Estimated per Hole$300.00 excludes traffic control.
Note: It will be our best intention to pothole to find each utility. If for any reason we encounter ground water and the
pothole cannot be completed,payment for the attempt will be required. If necessary pricing for the dewatering or the
Super Vac Con Truck can be provided.
Drawings Provided:
Insurance Included: YES
Bond Included °o: NO
Tax Included °o: NO Addenda N A
The receipt of BT Construction, Inc. of a signed copy of this Proposal Contract constitutes acceptance of this Quotation,subject to and
including all terms and conditions as shown.
The entire proposal is subject to acceptance within thirty(30)days of this date.
NOTE:Please notify us as soon as possible if you intend to award this work to BTrenchless Any alteration or deviation from the above
proposal will be executed only upon written request and will therefore become cost in addition to the above estimate.Any deviation
from the scope of work will be completed following the acceptance of a change order. BTrenchless hereby warrants for a period of one
(1)year(or longer, if so provided by law, and to the extent provided by law)from the date of completion of each project for all
workmanship under normal use of service. All agreements are contingent upon incidents or delays beyond our control. BTrenchless
reserves the right to charge up to 21°0 interest annually for all overdue invoices. Should a dispute regarding payment of this contract
arise, BTrenchless reserves the right to recover any attorney's fees that may be associated with such a ds Mom age to be Achim,arm,ahlese mod
un/eL epro holly rrgrirrd by the General
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