R2009-024 - 2009-02-09RESOLUTION NO. R2009-24
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF PEARLAND,
TEXAS, APPROVING A BALANCING CHANGE ORDER ASSOCIATED
WITH THE MAGNOLIA EXPANSION PROJECT (HARKEY ROAD TO
VETERANS DRIVE).
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF PEARLAND, TEXAS:
Section 1. That Balancing Change Order associated with the Magnolia Expansion
Project, a copy of which is attached hereto as Exhibit "A" and made a part hereof for all
purposes, is hereby authorized and approved.
Section 2. That the City Manager or his designee is hereby authorized to execute
and the City Secretary to attest a Balancing Change Order associated with the Magnolia
Expansion Project.
PASSED, APPROVED and ADOPTED this the 9th day of Fe ary, A.D., 2009.
TOM REID
MAYOR
ATTEST:
Y NG L I MC
C T SE TARY
APPROVED AS TO FORM:
ww.-- ~a1 ~~----
DARRIN M. COKER
CITY ATTORNEY
Exhibit "A"
Resolution 2009-24 T70041
W.W.Webber
Magnolia Road Expansion
Balancing Change Order
City of Pearland Projects Department
CHANGE ORDER
MAGNOLIA ROAD EXPANSION
PEARLAND, TEXAS
Date of Issuance: February 9, 2009
Contractor: W.W. Webber
Engineer: Othon, Inc.
Change Order No: Balancing
CoP Project No: T70041
PO No: 072062
Title of Change: Balancing Change Order
Explanation•
At this time, construction has been deemed substantially complete, and all items of work
are accounted for. Attached is a summary of original bid items, change order items and
extra work items, and the over run amount and under run amount for each item.
Original Bid Item Over Runs:
A number of over runs of existing and original bid items were necessary. In some cases
the Engineer's bid item quantities were insufficient to cover the work needed, and in
some cases, existing bid items were utilized and over run in an effort to keep the
contractor productive while change orders for the McLean and Harkey bridges were
being approved. The total of Bid Item over runs was off set by items under run for a net
total of $445,546.20. Below is a listing and explanation of major original bid item over
runs.
General Construction:
#10 -Remove and Dispose Existing Asphalt Pavement: $88,474.26 -The quantities
were exceeded by more than 100% (from 1 1,935 to 26,680.71 SY). This was due to
the Engineer not taking into account the detour temporary pavement removals, and
asphalt road removals at the Harkey and McLean bridges, and the improper length of
existing transition removal calculations at Harkey, McLean bridges and
McLean/Magnolia intersection.
#12 -Remove and Dispose Existing Driveways: $19,020.26 -The quantities were
exceeded by more than 400% (from 640 to 3,357 SY). This may be due to the
difference between the actual measurements and the Engineer's measurements of
existing driveways causing an underestimate of quantities. The removal of new
W.W.Webber
Magnolia Road Expansion
Balancing Change Order
driveways at the new Magnolia Elementary to tie in the roadway may not have been
included in the Engineer's quantity.
• #13 -Remove and Dispose Existing Storm Culverts: $31,596.00 -The quantities were
exceeded by more than 290% (from 902 to 3,535 LF). The Engineer failed to account
for many locations that had dual runs of storm pipe and actual field conditions
demanded the removal of these in order to complete the work.
Paving and Drainage:
• # I S &# 16 -Roadway Embankment and Excavation: ($24,931.20) and $148,104.00
respectively -The embankment (fill) quantities were under run by 4,255.20 CY and
the excavation (cut) quantities were over run by more than 350% (from 3,411 to
15,753 CY). The quantities for both the embankment and excavation items were
incorrectly calculated by the Engineer by not taking into account the volume of
roadway excavation by actual pavement elevation and pavement cross section depth,
omitting the quantities for areas between the curb and right of way and possibly the
quantities needed to complete the bridge embankment at the Harkey and McLean
bridges.
• #17 -10 in. Concrete pavement: $107,609.55 -The quantities were exceeded by
5.65% (2,753.57 SY) The overrun in quantities can be primarily attributed to the
additional commercial concrete driveways that were tied in and replaced at Magnolia
Elementary school, and additional removal and replacement of concrete pavement at
Audubon Place. Both locations were replaced to match existing thickness.
• # 19 and #20 -8 in. Lime stabilized subgrade and Lime for subgrade: $10,349.68 and
$25,590.30 respectively. The quantities were over run by 18% and 20% respectively.
The lime in roadway median areas at turn lanes appears to have been under accounted
for in the Engineer's bid quantity calculations, as narrow areas at turn lanes had to be
lime stabilized as well.
• #23 -1 '/z in. Asphaltic Concrete Paving (Detour): $34,644.68. The quantities were
exceeded by more than 240% (from 2,040 to 6,989.24 SY). The Engineer did not
account for all detour paving necessary for the work. In addition to this, the
temporary pavement between McLean and Veterans failed and had be replaced due to
insufficient temporary pavement cross section design.
• #26 -6 ft. wide Concrete Sidewalk: $21,666.69. The quantities were exceeded by 8%
because tie-ins to existing sidewalks in adjacent neighborhoods were not accounted
for in original bid quantities, and new sidewalk at Harkey Rd at Cypress Village had
to be removed and replaced to construct the roadside ditch culvert with SET (Change
Order #22).
• #39 -24 in. Storm Sewer: $50,475.00. The quantities were exceeded by more than
12%. The Engineer may not have measured pipe lengths from center of manhole to
center of manhole resulting under calculation of quantities. In addition to this,
additional 24 in. storm sewer was required at the Harkey bridge and this item was
utilized while other items could be included in a change order for Council approval.
• #44 -54 in Storm Sewer: $50,325.00. The quantities were exceeded by more than
23%. Additional work at Outfall C at Mary's Creek and McLean Rd caused the over
run.
W.W.Webber
Magnolia Road Expansion
Balancing Change Order
Water Line:
• #67 -Fire Hydrant Assembly: $14,868.14. The quantity was over run by more than
20% due to 3 new Fire hydrants being added in the Harkey Bridge area, and a number
of fire hydrants being raised due to roadway elevation changes.
• #80 -Adjust Water Valve to grade: $26,000.00. The quantity was over run due to the
Engineer miscalculating the number of hydrant valves that would be included and in
the sidewalk, and not shown on the plans.
Bridges:
• #96 -Class S Concrete: 36,000.00. This quantity was over run due to sidewalks on the
Harkey and McLean bridges being called for as placed with Class S concrete,
however, the quantity called for only accounted for the bridge slab quantity.
Change Order Over Runs:
Change Orders created new bid items as they were called for. Certain new items added
by change order were over run to utilize the established unit prices for the items, per the
contract, and avoid re-negotiation of bid items at new prices (60 in. Storm pipe,
established with Change Order #12). Other items, such as Pavement markings
(established with Change Order #11), the Concrete Bike Trail under McLean Bridge
(Change Order # 19), 8 in. Crushed Concrete Base (Change Order # 19), Concrete Median
Noses (Change Order #20), and Median Nose paint (Change Order #21) were quantities
that were over run based on actual quantities needed. The total of change order item over
runs was $23,942.77.
Extra Work Items:
A number of extra work items were performed related to the McLean Bridge area such as
water line work and sanitary force main work, and additional traffic control during the
bridge closure. Other items included are related to Magnolia Rd, such as the substitution
of a tapping sleeve and valve, extra work related to raising a fire hydrant to proper height,
additional permanent signs along Magnolia Rd. and reflective bars at the McLean bridge
for safety. The total of extra work item over runs is $43,050.19. Below is a detailed
listing and description of these extra work items.
• Magnolia Rd water line tapping sleeve and valve (TS&V) at STA 71+27: $2,617.66 -
At the Magnolia Estates trailer parka 8x8 TS&V was replaced with a 10x10 TS&V.
• McLean Bridge closure: $3,394.77 - After reviewing the original traffic control plan
for the McLean Road bridge detour shown on Sheet 105, the City and Engineer felt
the temporary signage was very inadequate to sufficiently direct the public through
the detour during the bridge closure. The Engineer then provided a revised Sheet 105
showing an increase in barricades and signage for the detour. A cost of $3,394.77 is
included for additional barricades and signs needed beyond the original Traffic
Control plans.
• McLean Bridge jiggle bars: $2,468.40 & Permanent signs: $4,413.70 -The Engineer
revised the Pavement Markings and Signage Layout Sheets 67-73 to increase the
number of permanent signs (stop signs, speed limit signs, etc.) by eight and to include
jiggle bars (raised reflective bars) on the McLean bridge deck for traffic safety on the
McLean bridge. A proposal for 156 units was requested, but only 85 units were
actually placed.
W.W.Webber
Magnolia Road Expansion
Balancing Change Order
• McLean Rd. water line/ Centennial Park tap: $3,01 1.40 -While performing water
line work along McLean Rd, the City found that the adjacent project, Centennial Park
Splash Pad work was ongoing and found that W.W.Webber could perform the water
line tap and extension to the park project more efficiently than having two contractors
work in the same area and coordinating neighborhood water line shut downs.
• Magnolia Rd. STA 73+30 fire hydrant adjustment:$926.75 -While placing fire
hydrants, it was found necessary to adjust a fire hydrant height to bring the hydrant
into compliance, however, the existing storm sewer below the hydrant caused a
unique field adjustment and extra work. The City assisted in providing the allowable
adjustment in the field.
• McLean Rd. water line work: $1 1,487.99 -While working at McLean bridge, and
replacing the water line crossing, it was found that the location for the new water line
to tie onto the existing line north of the bridge needed to be adjusted and extended so
that the new valves could be relocated out of the new roadway asphalt transition.
Additionally, the water line work involved placing the water line under new storm
placed during the bridge construction. The City requested W.W. Webber to perform
this work on a time and material basis, and the materials were supplied by the City in
order to speed the progress of the work.
• McLean sanitary line work: $7,945.93 -The Engineer had not included the
replacement of the sanitary forcemain along the McLean Bridge. Change Order #19
had addressed the attachments and replacement pipe material, however, the pipe
bends and connection lengths were not included in order to adjust and reattach the
forcemain. The additional material was provided by the City in an effort to keep
W.W. Webber productive.
• Inlet Risers: $515.00 -Inlet risers had been purchased by W. W. Webber in
anticipation of inlet apron work along the project. When the City elected to self
perform this work, with the sidewalk re-work, and the material was purchased from
the contractor and placed by the City.
• Water Line: $4,238.90 - 46 LF of 10 inch schedule 80 water line, purchased by W.
W. Webber for the McLean Bridge water line work was found to be in excess, and
due to this material being used by the City on repairs, the City opted to purchase the
excess material and receive it into inventory, rather than pay a re-stocking fee.
• Relocate/Re-set storm inlet at STA 18+11 on McLean Rd: $1,541.49 -Due to the
depth of the side slope, sanitary forcemain and newly installed guardrail system on
the NW side of the McLean bridge, the storm inlet at STA 18+1 1 had to be relocated
to for clearance and to avoid conflicts.
• Ryan Acres Gate Knox Lock: $112.18 -The plans called for a Knox lock at the Ryan
Acres gate, however, due to the revised gate design a different type of lock had to be
purchased. The Knox Lock is considered a unique item/lock.
The total price for this change order includes all labor, equipment, materials, supervision
and traffic control required to complete the aforementioned work.
TOTAL CHANGE ORDER AMOUNT $512,539.16
W.W.Webber
Magnolia Road Expansion
Balancing Change Order
Back-up documentation attached:
• Bid Item Over/ Under Run Spreadsheet for Magnolia Rd. Expansion Phase 1.
• Proposal from W.W. Webber dated December 3, 2007, line item #2 for 1 TS&V
at STA 71+27, at a reduced cost.
• Proposal from W.W. Webber dated April 22, 2008 for McLean Bridge closure
barricades and signs; RFI #40 from Othon revising the Traffic Control plan and
Revised sheet 105 dated 1/23/08.
• Proposal from W.W. Webber dated May 13, 2008 for McLean Bridge jiggle bars
costs per unit and additional permanent signs; RFI #66 from Othon responding to
pavement marking and signage layout plan revisions dated 5/7/08 and revised
sheets 67-73 dated 4/22/08.
• Proposal from W. W. Webber dated May 22, 2008 for the McLean Rd water line
tap and gate valves.
• Proposal from W. W. Webber dated July 10, 2008 for the STA 73+30 fire hydrant
adjustment.
• Proposal from W. W. Webber dated July 23, 2008 for the McLean Rd water line
north of McLean Bridge.
• Proposal from W. W. Webber dated August 15, 2008 for the McLean Rd sanitary
forcemain adjustments.
• Proposal from W. W. Webber dated August 15, 2008 for storm inlet risers.
• Proposal from W. W. Webber dated February 3, 2008 with invoice from W. W.
Webber noting the per LF price of $92.15 for steel water line and measurement
sheet noting 46 LF.
• Proposal from W. W. Webber dated October 1, 2008 for relocating storm inlet at
STA 18+11 on McLean Rd.
• Proposal from W. W. Webber dated October 1, 2008 for purchase of a Knox
Lock.
Contract Amount:
Original Contract Price: $7,824,595.59
Previous Change Order(s): $ 684,440.89
Contract price prior to this change order: $8,509,036.48
Net increase (decrease) from this change order: $ 512,539.16
Contract price with all change orders to date
(including this change order): $9,021,575.64
Contract Time:
Authorized contract time change: (0) days in this change order.
W.W.Webber
Magnolia Road Expansion
Balancing Change Ord r
Finance Approval: ~ ~,•
RECOMMENDED
By:
Engineer
Date: ~~ - !~ E)
RECOMMENDED: RECOMMENDED:
By: By; t~,.
Cons •ucY Manabcr Pro~cct Manager
Date: te: 'Z /~ o Date: p
ACCEPTED. _ ~.~
Contractor
Date: '~ ~ Q
*The Contractor further agrees that for the consideration in this change, the City will not
pay for any additional charges for time, expense, overhead and profit or loss due to this
change.
APPROVED: By: ~ Date: 2/16/09
Owner
Bill Eisen, City Manager
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