R7E-Execute Change Order Biscayne Point Neighborhood ROW Improvements ProjectCOMMISSION ITEM SUMMARY
Condensed Title:
A Resolution Approving And Authorizing The Mayor And City Clerk To Execute A Change Order To
David Mancini & Sons, lnc., For Additional Engineering Services, Drainage Structure Modification,
Drainage Pipe, Storm Water Pump Station, Pollution Control Structure, Milling And Repaving And Water
Main Replacement For The Biscayne Point Neighborhood Right-OtWay lmprovements Project, As Part
Of A Flood Mitiqation On Crespi Boulevard. For A Total Construction Cost Of $3.550.876.
Ensure value and of qualitv Caoital
Su Data (Survevs. Environmental Scan. etc.): N/A
ln preparation for the October 9'" King Tides (an especially high tide event that occurs twice a year,
when there is alignment of the gravitational pull between sun and moon), Public Works staff conducted
a field inspection throughout the areas that are known to be affected during this event. lnitial flooding
was observed on Crespi Boulevard, from 80th to 84th Streets. To alleviate the flooding, staff utilized
water pumps and installed temporary plugs; however, a more permanent solution is required.
CURRENT STATUS
The Biscayne Point Neighborhood Right of Way lmprovement Project is currently in the process of
being closed out. One of the intents of the project was to correct the storm water drainage within the
neighborhood, but after further assessment, additional improvements need to be made, including
drainage on Crespi Boulevard, from 79th Street to 84th Streets, and a water main replacement, from BOm
to 85th Streets.
The Public Works staff has requested an additional scope of work from David Mancini & Sons, lnc.
(DMSI) that would include: the replacement of a water main in Crespi Boulevard, the installation of a
new storm water collection system in Crespi Boulevard and construction of a pump station at the 81"1
Street End.
The proposed pump station would be designed to fit the City's criteria and would include a pollution
control system and outfall that meets permit requirements. At the completion of this underground work
on Crespi Boulevard, the road sections impacted by this work would be milled and a new asphalt would
be overlaid. The storm water pump system would be functionally complete by April2015, just in time to
address the expected flooding during the Spring High Tides.
COST ANALYSIS
DMSI has submitted a cost proposal in the approximate amount of $3,000,000 (Attachment) for
drainage and $536,376 lor water mains. The City's Public Works Department has reviewed the
proposal and deems the amounts to be reasonable. During review there were deficiencies noted that
would make the work inconsistent with the latest drainage criteria. We have discussed the deficiencies
with DMSI and increased the contract for a total of $3,550,876, which includes a 10o/o contingency.
THE ADMINISTRATION RECOMMENDS ADOPTING THE RESOLUTION
Board Recommendation:
Financial lnformation:
Source of
Funds:
Amount Account
1
2
OBPI I Total
Financial lmpact Summary:
T:\AGENDA\2014\October\October 2g\PUBLIC WORKS\Crespi Change Order No 1 . Summary.docx
Agenda ttem R) E
Date /0-&9-/?& AAIAMIBFACH 150
E MIAMIBEACH
City of Miomi Beoch, 1700 Convention Center Drive, Miomi Beoch, Florido 33I39, www.miomibeochfl.gov
COMMISSION MEMORANDUM
Mayor Philip Levine and Members the City
Jimmy L. Morales, City Manager
October 29,2014
A RESOLUTION APPROVING ANBI AUTHORIZING THE MAYOR AND CIry CLERK
TO EXECUTE A CHANGE ORDER TO DAVID MANCINI & SONS, INC., FOR
ADDITIONAL ENGINEERING SERVICES, DRAINAGE STRUCTURE
MODIFICATION, DRAINAGE PIPE, STORM WATER PUMP STATION, POLLUTION
CONTROL STRUCTURE, MILLING AND REPAVING AND WATER MAIN
REPLACEMENT FOR THE BISCAYNE POINT NEIGHBORHOOD RIGHT.OF.WAY
IMPROVEMENTS PROJEGT, AS PART OF A FLOOD MITIGATION PROJECT ON
CRESP! BOULEVARD, FOR A TOTAL CONSTRUCTION COST OF $3,550,876.
ADM!NISTRATION RECOMMEN DATION
The Administration recommends adopting the Resolution
FUNDTNG
BACKGROUND
ln preparation for the October gth King Tides (an especially high tide event that occurs twice a
year, when there is alignment of the gravitational pull between sun and moon), Public Works
staff conducted a field inspection throughout the areas that are known to be affected during this
event. lnitial flooding was observed on Crespi Boulevard, from 80th to 84th Streets. To alleviate
the flooding, staff utilized water pumps and installed temporary plugs; however, a more
permanent solution is required.
CURRENT STATUS
The Biscayne Point Neighborhood Right of Way lmprovement Project is currently in the process
of being closed out. One of the intents of the project was to correct the storm water drainage
within the neighborhood, but after further assessment, additional improvements need to be
made, including drainage on Crespi Boulevard, from 79th Street to 84th Streets, and a water
main replacement, from 80th to 85th Streets.
FROM:
DATE:
SUBJECT:
151
Com mission Memorandu m -Crespi Boulevard Neig hborhood I mprovements
Page 2 of 2
The Public Works staff has requested an additional scope of work from David Mancini & Sons,
lnc. (DMSI) that would include: the replacement of a water main in Crespi Boulevard, the
installation of a new storm water collection system in Crespi Boulevard and construction of a
pump station at the 81't Street End.
The proposed pump station would be designed to fit the City's criteria and would include a
pollution control system and outfall that meets permit requirements. At the completion of this
underground work on Crespi Boulevard, the road sections impacted by this work would be
milled and a new asphalt would be overlaid. The storm water pump system would be
functionally complete by April 2015, just in time to address the expected flooding during the
Spring High Tides.
COST ANALYSIS
DMSI has submitted a cost proposal in the approximate amount of $3,000,000 (Attachment) for
drainage and $536,376 for water mains. The City's Public Works Department has reviewed the
proposal and deems the amounts to be reasonable. During review there were deficiencies
noted that would make the work inconsistent with the latest drainage criteria. We have
discussed the deficiencies with DMSI and increased the contract for a total of $3,550,876, which
includes a 10o/o contingency.
CONCLUSION
The Administration recommends adopting the Resolution
Attachment - DMSI cost proposal
'n fil'fr
JLM/MT/UC/BAM/FRS
T:\AGENDA\20 1 4\October\October 29\PUBLIC WORKS\Crespi Change Order No 1 . Memo.doc
152
DAVII) MAN(-INI
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5
BO
600
700
30
I
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1
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3000
2700
600
1LS
1LS
1LS
1LS
1LS
20 EA
EA
EA
LS
LS
SF
SF
LfF
EA
LF
LF
LF
General Conditions
Mob/Demob/Stagging
Engineering Design
Permitting
Const. Eng. Inspection
Man-Hole/lnlets
Pollution Control
Structure/Weir
1B" Drainage Pipe
24" Drainage Pipe
30" Drainage Pipe
48" Drainage Pipe
Centrifugal Storm Treatment
Duplex Pump Station
Outfall upsize 24"-48
MOT
Crosswalk Restoration
Sidewalk Restoration
Concrete Curb
$ 145,000.00
$ 32,000.00
$ 105,000.00
$ 14,800.00
$ 120,000.00
$ 8,200.00
$ 24,000.00
$ 240.00
$ 260.00
$ 320.00
$ 380.00
$ 67,000.00
$ L,545,000.00
$ 165,000.00
$ 26,500.00
$ 20.00
$ 10.00
$ 21.00
$ 145,000.00
$ 32,000.00
$ 105,000.00
$ 14,800.00
$ 120,000.00
$ 164,000.00
$ 120,000.00
$ 19,200.00
$ 156,000.00
$ 224,000.00
$ 11,400.00
$ 67,000.00
$ 1,545,000.00
$ 165,000.00
$ 26,500.00
$ 60,000.00
$ 27,000.00
$ 12,600.00
$ 3,0L4,500.00
1939 NW 40d' Ct. Pompano Beach, FL 330&1
Ph: 95497 7 -3556 F ax: 954-977 -2M0
Water Main Replacement
B5th Street -B0th Street
$ 536,376.00
Excludes: Permitfees, offduty police, nightwork, Public lnformation
536,376.00
Total $3,550,876.00
1210 Washington Ave. #250 Miami Beach, FL 33139
Ph: 305-532-8827 Fax: 305-532-8835
153
RESOLUTION TO BE SUBMITTED
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