HomeMy WebLinkAboutContract 38976-A1AMENDMENT NO. 1
TO CITY SECRETARY CONTRACT N0. 3otyI u
STATE OF TEXAS §
§ CITY SECRETARY CONTRACT NO, MI1 ' A I
COUNTY OF TARRANT §
WHEREAS, the City of Fort Worth {"City"} and Malcolm Pirnie. Inc. ("Engineer") made and
entered into City Secretary Contract No. 38976 (the "Contract"} which was authorized by City
Council via M&C C-23696 on July 28, 2009; and
WHEREAS, the Contract involves engineering services for the following project:
West Fork Interceptor and Village Creek Wastewater Treatment Plant
Odor and Corrosion Control Improvements (City Project 01286)
WHEREAS, it has become necessary to execute Amendment No. 1 to said Contract to
increase the scope of services and/or the maximum fee.
NOW THEREFORE, City and Engineer, acting herein by and through their duly authorized
representatives, enter into the following agreement that amends the Contract:
1.
Article I, of the Contract is amended to include the additional engineering services
specified in the Engineer's proposal letter dated November 2, 2009 and attached hereto. The
cost to City for the additional services to be performed by Engineer total $812,429.00.
OFFICIAL RECORD
CITY SECRETARY
T. WORTH, TX
2.
Article II of the Contract is amended to provide for an increase in the maximum fee to be
paid to Engineer for all work Cl" services performed under the Contract, as amended, so that
the total fee paid by the City for all work and services shall not exceed the sum of $1.766,712.00.
3.
All other provisions of the Contract which are not expressly amended herein shall remain
in full force and effect.
Texas.
1
EXECUTED on this the �iday of ��t'<t=r 5,2009, in Fort Worth, Tarrant County,
(REMAINDER OF PAGE INTENTIONALLY LEFT BLANK)
-2-
ATTES
artVHendrix
City Secretary
Authorization: Kw7ak%Ob-1 �4,11 is 105
APPROVED AS TO
AND LEGALITY:
Amy J. Raf�sey
Assistant City Attorney
Assistant City Manager
APPROVAL RECOMMENDED:
S. Frank Crumb, P.E., Director
Water Department
-3-
ENGINEER:
Ma lin o I zl�l
Randall G. Mclntfyre, P.E.
Vice President
OFFICIAL RECORD
CITY SECRETARY
FT. WORTH, TX
Solutions for Life
Malcolm F'irnle, Inc.
777 Main Street, Suite 1250
Fort Worth TX 76102
T:817.877.9978 F:817.$85.8676
www.pirnie9
November 3, 2009
Madelene Rafalko, PE
Sr. Professional Engineer
Fort Worth Water Department
1000 Throckmorton Street
Fort Worth, TX 76102
Re: Amendment Request No.1, City Secretary Contract No. 38976
West Fork Interceptor and Village Creek Wastewater Treatment Plant Odor and
Corrosion Control Improvements
City Project No. 01286
Dear Ms. Rafalko:
Purpose
The purpose of this letter is to request a contract amendment to the referenced project to provide
additional interceptor inspection and condition evaluation of the 32 year old interceptor M-338, a 9&inch
interceptor from the old Riverside Wastewater Treatment Plant (WWTP) to the Village Creek WWTP. This
amendment will also include additional inspection equipment, data management and training for use by
Fort Worth Staff to inspect other wastewater pipelines.
Malcolm Pirnie will subcontract with Compliance EnviroSystems, LLC to implement a RedZone Robotics
detailed inspection of the interceptor that includes the following measurements: sonar, laser, hydrogen
sulfide, and visual inspection by CCTV and V-360 camera. This inspection information and as -built plan
information will be utilized to determine the load carrying capacity of the interceptor and to predict the
pipeline life expectancy, the interceptor rehabilitation costs and cost effectiveness of chemical addition.
Malcolm Pirnie will subcontract with RedZone Robotics to provide inspection equipment, data
management and training for Solo robotic inspection equipment. We will also subcontract with Ricochet
Fuel Distributors for fuel used for the interceptor inspection. This amendment includes 0.6% MWBE
participation and reduces the overall MWBE participation from 5% to 3%6 This contract amendment for
$812,429 will increase the total contract value from $954,283 to $1,766,7i2.
Background
The Water Department developed an interceptor condition assessment program after several significant
pipeline failures in 2007 and 2008 on various large diameter pipelines. As part of the larger program to
assess the condition of the large diameter sanitary sewer mains in the system, the City of Fort Worth
authorized an Engineering Agreement with Malcolm Pirnie, Inc., for the West Fork Interceptor and Village
Creek Wastewater Treatment Plant Odor and Corrosion Control Improvements on July 28, 2009 (M&C C-
23696). This project provided for the inspection and evaluation of M-280, a 4&year old interceptor and
the evaluation of odor control and odor treatment facilities.
Madelene Rafa(ko, PE
November 3, 2009
Page 2
As of today`s date, 70% of the M-280 interceptor has been inspected and various engineering tasks and
evaluations have been initiated. The draft report to evaluate gas chlorine has also been submitted to the
City.
Project Description
The following services will be provided by this contract amendment.
M-338 Forensic Inspection and Evaluation
The Village Creek Interceptor Pilot Study measured significant corrosion in interceptor M-280 and
moderate corrosion in M-338. Given the varying corrosion patterns and condition of the M-280, the full
length of the M-338 interceptor will be inspected utilizing RedZone Robotics equipment. The previous
corrosion model created by Malcolm Pirnie will be updated with the measured data and a D-load
calculation of the existing pipe conditions will determine the current failure potential and predict the
future life expectancy of M-338 with and without chemical addition for odor and corrosion control.
Malcolm Pirnie will determine the cost effectiveness of interceptor rehabilitation, and odor/corrosion
control chemicals.
Attachment A is a detailed Scope of Services that includes inspection and evaluation services that will be
provided by Malcolm Pirnie, Attachment B is a proposed Compensation schedule for these services.
Attachment D is a proposed Project Schedule and Attachment E is a project Location Map.
Malcolm Pirnie appreciates the opportunity to provide these inspection and engineering evaluation
services to the City of Fort Worth. Due to the specific nature of this project, we request a reduction o#the
MWBE goal requirements for the overall project. Should you have any questions or require additional
information, please feel free to contact us.
Sincerely,
MALCOLM PIRNIE, INC.
Randy McIntyre, P.E.
Senior Associate
CC Andy Cronberg, Fort Worth Water Department
Buster Fichera, Fort Worth Water Department
Travis Andrews, Fort Worth Water Department
File — 3181025 Al
Attachment A
City of Fort Worth
West Fork Interceptor and Village Creek Wastewater Treatment Plant
Odor &Corrosion Control Improvements
SCOPE OF WORK SERVICES
City Project No. 01286
Engineer and its subconsultanfs will provide a!I the labor, equipment, and material to provide the
following scope of work services.
1. M-388 [nsoection &Evaluation
i. Provide Subconsul#ant RedZane Robotics RESPONDER large diameter pipe inspection
system, a trained operating crew, analyst, ant the necessary appurtenances to access and
collect data for the various size diameter interceptor sewers utilizing LASER, Digital CCTV
with pan -tilt -zoom, V-360 Virtual CCTV, and Gas Sensors above the flow line and SONAR
sensor technology below the flow line.
ii. The project will consist of 54,173-feet of M-338 that ranges in size from 72-inch to 96-inch.
M-338 will be inspected during flow conditions.
iii. The mains around the Village Creek Wastewater Treatment Plant will be inspected from
Junction Box E.L. to Junction Box B Complex, from Junction Box B to Bar Screen Bldg 3 and
Junction Box G will also be inspected for a total of 2,470-feet. These pipeline segments
range in size from 72-inch to 96-inch.
iv. Provide all necessary computer hardware and software to analyze and present the
inspection data in a format easily understood for analysis.
v. Responder Robotic System inspection will include mobilization and demobilization of the
system and equipment, trained engineering technicians and deployment crew. All labor,
equipment and material required to deploy the system using LASER, SONAR, CCTV, V-360
CCTV and GAS sensors to collect data within the designated pipe section.
vi. Field inspection will include the part-time inspection, field coordination and field inspection
evaluation by the Engineer. The Subconsultant wiq provide a robotic technician, a robotic
engineer, deployment technicians and other field personnel as necessary for deployment
and inspection.
vii. All labor, equipment and material required to post process the inspection data including all
set-up and software of the collected da#a.
viii. Field reports will include notation of any unusual findings or conditions including those that
might affect the accuracy of the inspection data for ail of the sensors used.
ix. Engineer will evaluate, organize and summarize the field inspection data and prepare
necessary exhibits to convey inspection findings.
A-1
x. Field inspection data will be stored and delivered on DVD/CD format with a printed and
bound hard copy.
xi. The necessary computer software to view the inspection data will be provided.
Subconsultant will provide software to allow a complete viewing of the collected 3D pipe
model and sonar data.
xii. Engineer will collect as -built M-338 information #rom the City of Fort Worth and prepare a
spreadsheet program to evaluate the pipeline current D-loads and allowable D-loads given
the pipe corrosion conditions.
xiii. Engineer will prepare and update a concrete corrosion model to determine the pipeline
corrosion rates. The modeled corrosion rates will be compared and verified to the
measured corrosion conditions.
xiv. Using information from the D-load program and corrosion model, Engineer will evaluate the
measured corrosion patterns and future corrosion rates to identify the potential failure
locations and dates.
xv. Engineer will evaluate the costs for rehabilitation of M-338 using various rehabilitation
techniques and materials.
xvi. Engineer will determine the future costs far replacement of M-338 given the predicted
useful life of the pipe segments.
xvii. Engineer will evaluate the cost-ef#ectiveness of interceptor rehabilitation versus
interceptor replacement.
xviii. Engineer will prepare a recommendation of interceptor improvements and an
implementation schedule far the rehabilitation /replacement.
2. Solo Inspection Equipment, Training and Data Management
i. Provide SOLO Inspection Equipment through a subconsultant agreement with RedZone
Robotics.
ii. Lease a fleet of four (4) SOLO robots for small pipe inspection (8-inch to 12-inch) and
software -as -a -service model, ICOM3 asset management software.
Initial
lease of SO1,O units will be for eight (8) week duration. The (ease may be extended
for an additional eight (8) weeks at the option of the City of Fort Worth.
iv. SOLO daily inspection capacity can range from 2,000-feet to 5,000 feet. Factors
influencing daily inspection capacity include, but are not limited to, length of deployment
runs, number of deployment runs per day, number of concurrent upstream/downstream
runs executed in same manhole, competency of deployment technician and condition of
pipes.
A-2
v. Data will be reported on within 21 days of acceptance by RedZone and will result in a Data
Report. RedZone will package all completed Data Reports on a weekly basis for shipment
on that Friday. Data Reports will be processed in accordance to NASSCO PACP standards.
vi. Fort Worth isself-insured and is responsible to RedZone for loss or damage of the SOLO
units from negligent use or loss of a SOLO unit. A SOLO unit replacement cost is currently
$45,000 and the typical cost for major equipment repairs is $9,000,
vii. Fort Worth is responsible for Solo Deployments unless otherwise agreed to with RedZone.
viii. Fort Worth will make available a fetter or rodder truck and operator, at its own cost, in the
event a SOLO becomes lodged within a pipe.
ix. Fort Worth will clean any pipes that need debris removed in order far the inspection to be
completed.
x. Fort Worth will provide GIS data on the sanitary sewer lines inspected. RedZone will use
this data for mapping.
xi. As part of the lease program, RedZone will provide the following services for no additionaE
cost; (1) inspected footage fee (up to400,000/inearreet), (2) support deployment
equipment, (3) on -site training, (4) virtual pan4ilt-zoom capabilities, (5) GIS Asset
Management Package, (6) Query capabilities and risk management, (7) Work Order
Management System, (8) Web -based access - no extra seat licensing.
Responsibility of the Owner for project execution.
i. Provide access to available system maps, construction plans, flow data, videotapes,
maintenance history and previous inspection data.
ii. Information on known problems, designs or conditions within the interceptors to be
examined so that proper field procedures can be used, and necessary precautions can be
taken during the inspection process to avoid loss of equipment.
Access to the structures needed for deployment of equipment for interceptor inspection.
Open any sealed or non-standard manholes /access plates, and reinstall and or reseal
them as necessary after the inspection is complete.
iv. Locate and expose such manholes or access locations that are not visible or accessible, or
covered.
v. Provide minimum of 24inches of access diameter for entry of Responder robotic system.
This minimum access requirement may require the removal of manhole rings and lids.
vi. Access roadways that can be traveled by large truck to the five deployment sites.
vii. Clear and grade around the five deployment sites for access by the truck and equipment.
A-3
Inspection Performance
i. Where progress is delayed or halted beyond Engineer and Subconsultant's control by such
causes as weather, access, traffic, wastewater flow, interceptor blockages, or other
circumstances, will not be cause for inspection termination.
ii. Certain interceptor construction, operating environments, and field conditions may limit,
interfere, or prohibit Subconsultant from obtaining data or performing work. Some of
these may be, but not limited to, surface access, manhole construction, manhole chamber
construction, chamber to pipeline interface, vertical, or horizontal lay of the interceptor,
blind bends, obstructions, debris, lateral connections, flow levels and velocity, transported
materials, flow monitors, electrical interference, cables, or other structures or conditions.
Inability to overcome these impediments will not be cause for inspection termination.
iii. Temporary delays or start of work, or interim delays, sha[I not be cause for termination of
contract. Engineer or Subconsultant will provide written notification of any schedule
departures.
A-4
Attachment B
City of Fort Worth
West Fork Interceptor and Village Creek Wastewater Treatment Plant
Odor Corrosion Control Improvements
COMPENSATION
City Projsct No, 01268
MPI Personnel
MPI Subtotals
CES
Ricochet
RedZone
MPI
TOTALS
Task #
Task Items
Inspection
suppy
SOLO
SubconsWtant
Mclntya
CD
Treio
Ge za
TOTAL
SALARY
PIC
Plot
E�neer
support
hiANHOURS
COSTS
EXPENSES
SUBTOTAL
Sorvc0$
SoMe"
ImpectTon
Fea Mark-up
$215
$191
$115
$69
1A
M•3381nspactkn Mnbrstaoon l DemoblizaiRm(LS)
0
0
0
0
0
$0
$0
40
$5,215
SO
SO
SO
$59215
' • . �i
0...,,
::: is ?i:-::
A.,...
::.:::
::_:�..::i:i<.":U=-:ia
S0
� jit,' :
8?4;:5;_i;
.•;j$Si15)5.
;:::.<$fl':[,3:-
..aAi•;::tA3387AphlOprroG3vata0l74d'yitgn.'::'it
.Iii.:'...
.,.
..::..Oi. :':
_:;.,SO"::;
16
Responder Uril Delaoyment(M338.12Eachx
0
0
0
0
0
$0
s0
$0
$25,238
SO
$0
so
$25r238
$2,103)
tC
ReclZon Responder Inspeclion(M338 SLIMI.Fx
0
0
0
0
0
$0
$0
SO
$348,332
$5,000
$0
$500
$353,332
.6.43)
to
Post Processsq of CCTV (M338, 54,173 LF x 50.65)
0
0
0
0
0
so
SO
s0
$29,795
so
$0
s0
$29,795
1E
Post Plocosskg of sonar Sensor(M338. 54,173 LF)
0
0 �
0
0
0
s0
SO
SO
$29,795
So
SD
$0
$29,795
$0,66)
1F
Post Proceaekg of Temp 6 P&S(M338, 54,173 LF s
0
0
0
0
0
SO
SO
$0
S292795
$0
SO
SO
$29,795
$035)
1G
Post Process'at9 of Lasee (M338, 64,173 UPx$1.66)
0
0
0
0
0
$0
$0
SO
$73,134
SO
$0
$D
$736134
M33a• Compliance EmiroSystams(CES) Subeontn ctor Sublota
$548,362
_
1H
Responder Unit 060ymen4(VCMVMa 4 Each
0
0
0
0
0
s0
so
$0
59,100
SD
£0
$0
59,/00
S2,275)
11
RedZone Responder lnsp%Wr(VCWWTP, 2,470 U
0
0
0
0
0
s0
$o
$0
$164376
$0
SO
$0
$16,376
xS6.63)
13
PoostProcesskpof CCTV(VCYVWTP, 2,470 LFx
0
0
0
0
0
s0
s0
s0
slow
$0
so
$0
Sipe
1K
Post Processing of Sorer Sonsor(VCWNTP, Z470
0
0
0
0
0
$0
$0
s0
$1,606
s0
SO
So
$7,606
LF x40.65)
1L
Post Ploeessing of Temp 81{S(VCWWTP, 2,470 LF
0
0
0
0
0
$0
$o
SO
$7,606
So
s0
so
41,606
x S0.65)
1M
Post Processing of taser(VCWWTP. 2.470 LFx
0
D
0
0
0
$0
$0
50
$34829
$0
$0
$0
$3,829
47.55)
_
VCWWTP• Compliance Envirotlystams(CES) Subcontractor Subtota
$34,123
IN
CES SubconsuftarR Mark-up -6%(1A-iM)
0
0
0
0
0
SD
s0
SD
SO
$0
s0
SO
$28,746
1.1
Field Coordktalkmo Part•Tkna Inspection B Sehoo
1 20
0
60
0
80
S11,220
Sam
$12,080
is
$0 -
$0
SO
5 oOM
lei
Inspection Ev"Von Report
a
0
60
8
76
KIDS
$684
$94850
$0
Sp
SO
s0
$91860
1.K
OLcad Calculations for M•280
4
12
60
6
102
S12,808
$892
$13,700
so
$0
$0
$0
S133700
t.l
Conosion Model Update
0
4
40
0
44
SMW
S414
$51800
$0
50
SO
s0
$54800
1.M
Cost Effective Evaluations and RehahRepacemenl
4
16
80
12
112
S133988
S884
S14,650
$0
50
$0
$0
$14,850
Recommendations
Task 1 lnterceptorinapsction Evaluation
$85,058
_
2A
4 SOLO Inspector Unh3, 8 Weeks
0
0
0
0
0
$0
s0
$0
$0
$0'
$49,9T5
s2,499
$62,474
(1) insps4tscifo stage fee, (2) supped deployment
equipment (3) a Sita wairdng, (4) v'uWal parfbll-
2A-1,
capeb3o0es,(5) GIB Asset Management Package.(6)
0
0
0
0
0
$0
SO
$0
40
$0
Inoluced
$D
So
Ouerycapabi&a and risk management (7) Wm%
Order Marwgemerd System (8) Mk --based access
rot sows seat licensing
4 SOLO IMPK11 n Unds -8 Md0orAl Weak, Opgo
28
(OpOon avalabla vAtNn one year of the batiMno of
0
0
0
0
0
SO
So
$0
$o
$0
S49,975
SZ499
$52,474
Task2A)
(1) Inspected /amage fee, (2) suppottdeptoyment
equipment, (3) mrs8e wainkv. (4) virtual m tual panMt e
2810
capabi'Rss,(6) GIS AssetMarmoement Pwkege.(6)
0
0
0
0
0
SO
$0
SO
$0
s0
Incimed
$0
S6
OuerywpabMs and risk mamgement (7) Wok
Order Management SySbm (0) Web -based access
w extra seat tkansing
Addilkmal inspection Foowgo Fee Greater than
2C
400,000 Liner Feet (combiriaran of 2A 82a).
0
a
0
0
0
SO
s0
so
$0
s0
S406000
$2,000
$42,000
400,000 LFx$0.101 LF
Task 2 Salo Inspection Equipment, TmInIng and Data Mam gemor
I S145,948
Project Total
SIMA29
DuducNlorik valkf ony0 ih)s proposalra pp'wad baf M28D ue
Inci dad Iws',and-footapaf asrpl 400600 iF,
inc)udadi.rvics dlogtagt pf 4o00a0 i:C.TotaEo
7A7•
f�avo dt4,Job sif,. ... .. ,._ :.;'. :... ..: ` .. ..
2A7•
oUl ofP pahn,•InapacLort, fT ak 2Aand2&-::
28.1•
Pfpa)isK (iwpectbn afT ak2Aam128
.•
t3 Yr Prolecl
Ricochet SS.000 B62
TOTAL MWSE $510OD 0,62
Afitachmem D - Projecfi SCHeulule
City of Fort Worth
West Fork Interceptor and Village Greek Wastewater Treatment Plant
Odor and Corrosion Control Improvements
City Project No. 01286
This PROJECT requires a Tier 3 schedu/e as defined herein and in fhe Citys Schedule
Guidance Document.
Dl. CONSULTING SERVICES SCHEDULE DEVELOPMENT: The CONSULTANT shall prepare
schedules for consulting services that meet the requirements described in this
specification, showing by Critical Path Method (CPM) the planned sequence and timing of
the Work associated with the Agreement. All submittals shall be submitted in PDF format,
and schedule files shall also be submitted in native file format (i.e. file formats associated
with the scheduling software). The approved scheduling software systems for creating the
schedule files are:
-- Primavera (Version 6.i or later or approved by CITY)
Primavera Contractor (Version 6.1 or later or approved by CITY)
Primavera SureTrak (Version 3.x or later or approved by CITY)
Microsoft Project (Version 2003/2007 or later or approved by CITY)
D2. BASELINE CONSULTING SERVICES SCHEDULE: - Following notice -to -proceed, the
CONSULTANT shall develop, submit and review the draft detailed baseline consulting
services schedule with the CITY to demonstrate the CONSULTANT's understanding of the
Agreement requirements and approach for performing the work. The CONSULTANT will
prepare the final detailed baseline consulting services schedule based on CITY comments,
if any, and submit to the CITY no later than the submittal of the first project invoice.
The following guidelines shall be adhered to in preparing the baseline schedule, and as
described in further detail in the CITY's Schedule Guidance Document.
a. The scope shall be subdivided by work breakdown structure (WBS) representing
the tasks, subtasks, and activities associated with delivering the work.
b. The schedule shall accurately describe the major work activities, key milestones,
and dependencies/relationships as appropriate to the work.
c. The schedule should include appropriate meetings, review periods, critical decision
points, including third party utility dependencies and reviewing agencies.
D3. PROGRESS CONSULTING SERVICES SCHEDULE: The CONSULTANT shall prepare and
submit monthly to the CITY for approval the updated schedule in accordance with D1 and
D2 and the CITY's Schedule Guidance Document inclusive. As the Work progresses, the
CONSULTANT shall enter into the schedule and record actual progress as described in the
GITY's Schedule Guidance Document.
The updated schedule submittal shall also include a concise schedule narrative that
highlights the following, if appropriate and applicable:
D_q
• Changes in the critical path,
• Expected schedule changes,
• Potential delays,
• Opportunities to expedite the schedule,
Coordination issues the CITY should be aware of or can assist with,
• Other schedule -related issues that the CONSULTANT wishes to communicate to
the CITY.
D4. PERFORMANCE ANQ CONSULTING SERVICES SCHEDULE: If the work accomplished
falls behind that scheduled due to factors within the CONSULTANrs control, the
CONSULTANT shall take such action as necessary to improve the progress of the Work. In
addition, the CITY may require the CONSULTANT to submit a revised schedule
demonstrating the proposed plan to make up the delay in schedule progress and to ensure
completion of the Work within the allotted Agreement time.
D5. SCHEDULE TIERS SPECIAL INSTRUCTIONS:
The requirements for the schedule are determined based on the nature and needs of the
project. The schedule tier for this project is stated at the top of this document.
CONSULTANT shall submit each schedule relying on the CITY's current Schedule Guidance
Document.
D6. SCHEDULE SUBMITTAL AND PAYMENT:
As stated in III A.(1). of the Agreement, CONSULTANT shall provide the information
required by Attachment D. CONSUL I ANT's monthly invoices will not be accepted and
processed for payment without monthly schedule updates that are submitted in the time
and manner required by Attachment D and the CITY's current Schedule Guidance
Document,
D7. DRAFT SCHEDULE:
The following is a draft project schedule for the project. The Consultant will prepare,
submit and maintain a project schedule in accordance with the items above.
Task Descri tion
Start Date
Working
Da s
End Date
1. M-338 Equipment
Mobilization
1/11/2010
10
1/22/2010
2. M-338 Interceptor Investigation
1/25/2010
45
3/26/2010
3. Field Data Post Processing
3/29/2010
30
4/7/2010
4. Investigation Evaluation Report
4/10/2010
30
6/6/2010
5. D-Load Calculations for M-280
6/21/2010
10
7/2/2010
6. Corrosion Model Update 1
7/5/2010
20
1 7/30/2010
7. Cost Effective Evaluations and
Rehab/Replacement Recommendations
8/2/2010
40
9/24/2010
D-2
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Page 1 of 2
• ` • •
COUNCIL ACTION: Approved on 12/15/2009 -Ord. No. 18983-12-2009
DATE: Tuesday, December 15, 2009
LOG NAME: 60WEST FORK MALCOLM PIRNIE AMEND 1
REFERENCE NO.: C-24007
SUBJECT:
Authorize Amendment No. 1 in the Amount of $812,429.00 to City Secretary Contract No. 38976 with
Malcolm Pirnie, Inc., for the West Fork Interceptor and Village Creek Wastewater Treatment Plant Odor
and Corrosion Control Improvements and Adopt Appropriation Ordinance
RECOMMENDATION:
It is recommended that the City Council:
1. Authorize the transfer of $832,429.00 from the Water and Sewer Operating Fund to the Sewer Capital
Projects Fund;
2. Adopt the attached appropriation ordinance increasing estimated receipts and appropriations in the
Sewer Capital Projects Fund in the amount of $832,429.00 from available funds; and
3. Authorize the City Manager to execute Amendment No. 1 in the Amount of $812,429.00 to City
Secretary Contract No. 38976 with Malcolm Pirnie, Inc., for the West Fork Interceptor and Village Creek
Wastewater Treatment Plant Odor and Corrosion Control improvements, thereby increasing the contract
amount to $1,766,712.00.
DISCUSSION:
On July 28, 2009, (M&C C-23696) City Council authorized an Engineering Agreement in the amount of
$954,283.00 with Malcolm Pirnie, Inc., for the inspection of a sanitary sewer interceptor and odor and
corrosion control services for the interceptor and at Village Creek Wastewater Treatment Plant
(VCWWTP). This proposed contract amendment will provide additional inspection services of a 96 inch
interceptor from Gateway Park to the VCWWTP, the 96 and 72 inch interceptors in the VCWWTP levee
and inspection services for up to 400,000 linear feet of 8 to 12 inch sanitary sewer mains at various
locations throughout the City.
Approximately 80 percent of the sanitary sewer flow into VCWWTP is transported through two 96 inch
concrete interceptors running roughly along the West Fork of the Trinity River from the old Riverside
Wastewater Treatment Plant (Gateway Park). These lines cross several major arterials and cross under
the East Loop of Interstate Highway 820. One interceptor was installed in 1963 and the other in 1977.
Both of these lines must be in service at all times to meet the sanitary sewer demands of the customers in
the service area.
The original contract provided a full scale inspection of M280, the older West Fork interceptor. This
proposed contract amendment provides a full scale inspection of M338, the 1977 West Fork interceptor, to
set a benchmark of the pipeline condition and to identify locations of potential critical failures. The
inspection will be performed with the line in service and includes sonar, laser and television data. The
laser scans will reveal the remaining pipe wall thickness, the sonar scans will map debris accumulated in
the pipe and the television data provides visual information on the condition of the system.
The proposed amendment also includes services to investigate the condition of two interceptors, one 96
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inch and one 72 inch located in the VCWWTP levee. Two sections of the 96 inch pipeline failed in 2007
and required emergency repair. An attempt to inspect these lines previously failed due to debris in the line
and failure of the pipe.
Proposed services also include robotic equipment use for two eight week periods to remotely inspect 8 to
12 inch sanitary sewer mains at various locations throughout the City. About half of the sanitary sewer
collection system is comprised of mains less than 12 inch. Equipment use and data management services
for up to 400,000 linear feet of pipe are included.
The equipment used to perform the sanitary sewer inspection work in this Contract Amendment is highly
specialized and proprietary.
In addition to contract costs $20,000.00 is included for staff support.
This project is located in COUNCIL DISTRICTS 4 and 5.
A waiver of the goal for M/WBE subcontracting requirements was requested by the Water Department and
approved by the M/WBE Office because negligible M/WBE subcontracting opportunities exist.
FISCAL INFORMATION /CERTIFICATION:
The Financial Management Services Director certifies that upon approval of the above recommendations
and adoption of the attached appropriation ordinance, funds will be available in the current capital budget,
as appropriated, of the Sewer Capital Projects Fund.
FUND CENTERS:
TO Fund/Account/Centers
1 & 2) P258 476045 7013001286ZZ
2)P258 531200 701300128630
2)P258 511010 701300128630
CERTIFICATIONS:
FROM Fund/Account/Centers
$832,429.00 1) PE45 538040 0709020
$832,429.00 � P258 531200 701300128630
$20,000.00
Submitted for City Man �er's Office bk
Originating Department Head:
Additional Information Contact:
Fernando Costa (6122)
S. Frank Crumb (8207)
Madelene Rafalko (8215)
ATTACHMENTS
1. 60WEST FORK MALCOLM PIRNIE AMEND 1 FAR.pdf (CFW Internal)
2. 60WEST FORK MALCOLM PIRNIE AMEND 1 MWBE WAIVER.pdf (CFW Internal)
3. 60WEST FORK MALCOLM PIRNIE AMEND 1 Ord.doc (Public)
4. 60WEST FORK MALCOLM PIRNIE MAP op rtrait�.�df (Public)
5. FAR-2 for M&C 60WEST FORK MALCOLM PIRNIE AMEND 1.pdf (CFW Internal)
6. Fund Availability_pdf (CFW Internal)
$812,429.00
$812,429.00
http://apps. cfwnet.org/ecouncil/printmc.asp?id=12643 &print=true&DocType=Print 12/16/2009