HomeMy WebLinkAboutContract 29104 C91-19-0 3 P 1 : ,115 111 CITY SECRETARy��
CONTRACT NO. IDY
FIXED-PRICE
CONTRACT FOR RESEARCH SERVICES
I. CONTRACTING PARTIES:
This contract and agreement is entered into by and between the City of Fort Worth("CITY"), located at
1000 Throckmorton Street,Fort Worth,TX 786102 and The University of Texas at Arlington
("UNIVERSITY")located at 701 S.Nedderman Drive,Arlington,TX 76019,a State Institution of Higher
Education established under the laws of the State of Texas as a component of the University of Texas
System.
H. STATEMENT OF SERVICES TO BE PERFORMED:
UNIVERSITY shall provide the research services of Dr. Syed R. Qasim,Professor of Civil&
Environmental Engineering,who will be the Principal Investigator and will perform the research as
described in Attachment A.
III. TERMS OF AGREEMENT:
This agreement shall be effective October 1,2003,through September 30,2004. The contract may be
terminated by either party prior to the scheduled termination with thirty(30)days written notice to the other
party-
IV. CONTRACT AMOUNT:
The total amount of this contract shall be FIFTY-FIVE THOUSAND SIX HUNDRED EIGHTY-FIVE
DOLLARS($55,685). This is a fixed-price contract.
V. BASIS FOR CALCULATING REIMBURSABLE COSTS:
Budget details are presented in Attachment A.
VI. PAYMENT FOR SERVICES:
UTA shall submit quarterly invoices to:
James W. Scanlan,P.E.
Water Department Administration
1000 Throckmorton Street
Fort Worth Texas 76102
Telephone 817-871-8203.
Payments shall be submitted to:
The University of Texas at Arlington
Accounting and Business Services
Box 19136
Arlington,TX 76019-0136
Telephone 817-272-205I.
UT ARLINGTON/CITY OF FORT WORTH
Contract for Research Services ^�
August 2003
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VII. DISPUTE RESOLUTION
To the extent that Chapter 2260,Texas Government Code,is applicable to this Agreement and is not
preempted by other applicable law, the dispute resolution process provided for in Chapter 2260 and the
related rules adopted by the Texas Attorney General pursuant to Chapter 2260,shall be used by The
University of Texas at Arlington and Sponsor to attempt to resolve any claim for breach of contract made
by Sponsor that cannot be resolved in the ordinary course of business.The Senior Vice President for
Finance and Administration at The University of Texas at Arlington shall examine Sponsor's claim and any
counterclaim and negotiate with Sponsor in an effort to resolve such claims. The parties hereto specifically
agree that(i)neither the occurrence of an event giving rise to a breach of contract claim nor the pendency
of a claim constitute grounds for the suspension of performance by Sponsor;(ii)neither the execution of
this Agreement by The University of Texas at Arlington nor any other conduct,action or inaction of any
representative of The University of Texas at Arlington relating to this Agreement constitutes or is intended
to constitute a waiver of The University of Texas at Arlington's or the state's sovereign immunity to suit;
and(iii)The University of Texas at Arlington has not waived its right to seek redress in the courts.
VIIL INDEPENDENT CONTRACTOR
For the purposes of this Agreement and all services to be provided hereunder,the parties shall be,and shall
be deemed to be, independent contractors and not agents or employees of the other party.Neither party
shal I have authority to make any statements,representations or commitments of any kind, or to take any
action which shall be binding on the other party,except as may be expressly provided for herein or
authorized in writing.
This Agreement constitutes the entire and only Agreement between the parties relating to the
Research Program,and all prior negotiations,representations,agreements and understandings are
superseded hereby. No agreements altering or supplementing the terms hereof may be made except
by means of a written document signed by the duly authorized representatives of the parties.
PERFORMING AGENCY:
The University of Texas at Arlington
l l{,� I L�,� z 7
t IC-11EEC
WiriaAne R.Woods, Ph.D. CIF � 4�1
yj
Assistant Vice President for Research& N �i�u 1�
Director,Office of Researchhdj!f;
1
; tTta�
Date
AUTHORIZATION RECEIVING AGENCY
EXECUTED in the City of Fort Worth this day of ,A.D 2003
ATTEST: C1)I1'QF, OR WORT
OBy f/
Gloria Pe City Secretary Marc Ott, ssis t ity Mana r
UT ARLINGTON/CITY OF FORT WORTH
Contract for Research Services
August 2003 Contract Authorization
v
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Contract Authorization
APPROVED:
` Date
By
ale Fisseler,P.E.,Director
Water Department
APPROVED AS TO FORM AND LEGALITY:
(;�"IL—,
Gary Stem ger
Assistant City Attorney
UT ARLINGTON/CITY OF FORT WORTH
Contract for Research Services
August 2003
Page 3 of 3
Attachment A
RESEARCH PROPOSAL
on
PERFORMANCE EVALUATION OF BIO-FEED ACTIVATOR AND TREATIBILITY
OF DEICING FLUID IN HIGH RATE ANEROBIC DIGESTERS
Submitted to
The City of Fort Worth
Submitted by
The Department of Civil and Environmental Engineering
The University of Texas at Arlington
January 2003
1
Introduction
Anaerobic digestion involves a complex biochemical process in which several
groups of facultative and anaerobic organisms simultaneously assimilate and break down
organic matter. The process may be divided into three phases: hydrolysis,acid, and
methane. In the hydrolysis phase, the complex molecules of proteins,cellulose, lipids,
and other complex organics are solubilized into glucose, amino acids, and fatty acids.
In the acid phase, facultative acid-forming organisms convert the solubilized
organic matter to organic acids (acetic, propionic, butyric, and other acids). In this phase
little change occurs in the total amount of organic material in the system, although some
lowering of pH results. The methane phase involves conversion of volatile organic acids
to methane and carbon dioxide.
A number of bio-feed activators have been developed and sold under various
trade names. The suppliers claim that these products can enhance the microbial activity
for sludge stabilization in anaerobic digesters. As a result, the gas generation is increased
significantly, and the degree of stabilization of volatile solids is also increased from
traditional values of 48-50% to much higher levels.
Anaerobic process is a very efficient method for treatment of high-strength
biodegradable wastes. The City of Fort Worth is interested in treating high strength
aircraft deicing fluids in their existing high rate anaerobic digesters at the Village Creek
Wastewater Treatment Plant. The purpose of this research proposal is to conduct bench
scale studies to develop laboratory data on bio-feed activator, and treatability of aircraft
deicing fluid in anaerobic digesters.
Objectives
The objectives of this research program are to (1) evaluate the performance of Histosol
Bio-10 Activator in a bench scale high-rate anaerobic digester, and (2)conduct
treatability study on deicing fluid in a bench scale high rate anaerobic digester.
Methodology
The most current technology to evaluate the performance of a bio-feed activator, and
treatability of a waste in a biological system is to develop the biological kinetic
coefficients. These biological kinetic coefficients for control and dosed reactors can be
used in a model to simulate performance under different conditions. The results from
simulated system will be compared for performance evaluation.
The most accepted model for anaerobic digestion is expressed by Eqs. [1]—[5].
1 Q(S — S )(BOD /COD) M
P — ( o e _ ) [1]
1.42 1000 0.35
2
X — Y(S° —SQ) [2]
(1+kdt)
(S°XS`) =Y+ Y t [3]
[(`s° —S,,)l X]t = [('So —` ,)1 X]o (1-e_k) [4]
X
Where:
Px = volatile biological solids produced per day, g/d
Q = flowrate, L/d
S° = initial COD, mg/L
SQ = effluent COD, mg/L
M = volume of methane produced, L/d
1.42 = conversion factor for volatile biological solids to BODL
(ultimate biochemical oxygen demand), mg/L
0.35 = conversion factor for the amount of methane produced from
the conversion factor of 1 g of BODL, L/g.
X = volatile biological solids produced, mg/L per day
Y = yield coefficient
kd = endogenous respiration rate constant, per day
t = mean cell residence time, d
k = reaction rate-constant, per day(base e)
Ki = specific utilization rate
Proposed Research Program
Reactor Assembly
The proposed research program will be conducted in the Water Quality Lab at UTA.
Three anaerobic reactors will be set up. The biological seed and raw feed will be obtained
from the Village Creek WWT Plant. These reactors will utilize the following operational
conditions.
(1) Conventional high-rate anaerobic digester used as a control(no bio-feed
activator)
(2) Conventional high-rate anaerobic digester with bio feed activator
(3) Conventional high-rate anaerobic digester with deicing agent(no bio-feed
avtivator)
The major components of the reactor assembly are(a) an anaerobic reactor, (b)a biogas
collection system, and (c) leveling reservoir. The reactor set-up is shown in Figure 1.
3
as transfer tube Tt1Qrmomete. Feed tube
Withdrawal tube
Gas
Leveling bottle = produced
\\ Manometer
Reialning Ellogas
fluid - collection
tube
= 6-L flask
Retaining fluid (saturated = 4-L of digesting sludge
sodium chloride solution
containing 5% HZ SQ4 and ,Stirring bar
methyl orange for color)
Magnetic stirrer hotplate
If
Figure 1 Anaerobic Reactor Details
Feed and Acclimation
All three reactors will have four liters of digested sludge obtained from the Village Creek
WWTP. Each digester will be acclimatized with combined sludge feed also obtained
from Village Creek. The organic loading and temperature will be maintained similar to
those in Village Creek digesters.
Reactor d will be a control reactor and will be operated at a fixed organic loading.
Reactor 2 will be operated at fixed organic loading as control, and will also be dosed
with Bio-10 activator at the recommended dose provided by the supplier.
Reactor will be operated at fixed organic loading as control, and will also be dosed
with deicing fluid. The concentration of deicing fluid will be increased gradually to
achieve a maximum removal.
Reactor Operation Procedure.
The prepared feed will be introduced into the reactors on a daily basis to give a desired
loading rate of total volatile solids (TVS) in grams per cubic meter of the reactor
capacity. The feeding of the reactor will be achieved by lowering the leveling reservoir
which will pull the feed. The mixture in the reactor will be withdrawn by raising the
leveling reservoir which will force the effluent out through the withdrawal tube.
Laboratory Analyses and Data Simulation
The following analyses will be conducted on the feed and the liquid withdrawn from the
reactor: pH, total alkalinity (TA), total solids (TS),total volatile solids (TVS), and
chemical oxygen demand (COD). The temperature and gas production will be recorded
daily during the reactors operation.
4
In addition to the tests associated with reactor operation, the Buchner funnel test will be
conducted on the digested sludge from three reactors to determine their compatibility
with the belt filter operation for dewatering. The chemicals and their doses applied at
Village Creek sludge dewatering facility will be tested on digested sludge to compare the
specific resistance of sludge from three reactors.
Modeling and Determination of Biological Kinetic Coefficients
The experimental data developed in this program will be used to determine various
simulation parameters for all reactors. These parameters are: biomass growth, the mean
cell residence time, the gas production rate, and the specific utilization rate. Eqs. [1]—[5]
will be used in these determinations.
Comparison of Operational Criteria
The biological kinetic coefficients developed for three reactors will be used to simulate
the operation of these reactors and compare their performance for several loading
conditions. For example, the comparison of the performance of reactors (1) and(2) will
clearly indicate the impact of Bio-10 activator on performance of anaerobic digester.
Comparison of results of reactors (1) and(3) will indicate how well the deicing agent is
stabilized and to obtain the values of design parameters. This comparison of the results
will clearly establish the impact of Bio-1 0 activator on anaerobic digester receiving
deicing agents, and treatability of deicing agents in anaerobic digesters.
Full-Scale Tests
If the preliminary results of the bench-scale tests indicate that Bio-10 activator has
beneficial effects upon the-sludge digestion,the full-scale digester criteria will be
developed. Using these criteria, the City of Fort Worth may initiate full-scale testing of
the Bio-10 activator in conjunction with the supplier of Bio-10 activator. The Department
of Civil and Environmental Engineering will provide technical assistance and data
analysis of full-scale operation.
Time and Duration
The proposed research can be completed in a period of 12 months including one month
for completion of the final report. The proposed starting and completion dates for the
preliminary investigations, full-scale tests,and final reports are given below.
Starting Date: June 1,2003
Completion Date: May 31,2004
Reports
Written semiannual reports will be submitted to provide the progress of the project. The
final report will be submitted at the completion of the project.
Cost
It is estimated that the above investigations can be completed for a fixed price of
$55,685.The details of the budget are provided in Attachment A.
5
Project Management
Proposed program will be conducted by the Department of Civil and Environmental
Engineering. Dr. Syed R. Qasim, Professor of Civil Engineering will be the Principal
Investigator. The biodata of Dr. Qasim is given in Attachment B.
6
ATTACHMENT A
Budget
A. Direct Cost
1.Salary& Wages
a. Students
Graduate Research Assistants $ 12,000
Students on hourly wages @ $7.00/hr. $ 4,000
b. Staff $ 2,500
c. Faculty $ 5,000
Subtotal S & W $ 23,500
2. Fringe Benefits
a. Students
GRA @ 45%of S & W $ 5,400
Student hourly at 15% $ 600
b. Staff @ 45% of S & W $ 1,125
c. Faculty @ 30% of S & W $ 1,500
Subtotal $ 8,625
3. Travel $ 500
4. Chemical supplies and reactor purchase $ 3,500
5. Consultant $ 1,000
6. Report preparation and printing $ 500
Subtotal - $ 5,500
Total Direct $37,625
B. Indirect
48 % of modified direct cost ($ 37,625) $ 18,060
Total Cost $ 55,685
7
ATTACHMENT B
Dr. Syed R. Qasim, P.E.
Professor
Ph. D. 1965 West Virginia University
M.S.C.E. 1962 West Virginia University
B.S.C.E. 1957 Aligarh Muslim University
Areas of Expertise: Environmental engineering; municipal and industrial water supply
and waste treatment; solid and hazardous waste management; water duality analysis;
environmental impact assessment.
Background: Dr. Qasim is Professor of Civil and Environmental Engineering. He has
had industrial experience in design of water and wastewater treatment facilities with
Alden E. Stilson and Associates, Columbus, Ohio, and conducted full-time research with
Battelle Memorial Institute, Columbus Laboratories. Prior to joining the faculty of the
University of Texas at Arlington in 1973, he served on the faculty of Polytechnic
University, Brooklyn, New York. His major research assignments include water and
wastewater management systems for aircraft, watercraft, naval ships, military bases;
treatability studies using bench and pilot plant facilities; design and process evaluation of
municipal and industrial water and wastewater treatment facilities; biological nutrient
removal; taste and odor control in municipal water supplies; water reclamation and reuse
in industrial plants; leaching of sanitary landfills; monitoring of toxic chemicals in natural
waters; biogas generation; and preparation of environmental assessment reports. He has
published over 120 technical papers, book and encyclopedia chapters, and research
reports. He has authored and co-authored three books; Water Works Engineering:
Planning, Design and Operation, 2000 (Prentice Hall); Wastewater Treatment Plants:
Planning, Design and Operation, 2nd edition, 1999 (CRC Press, Boca Raton, FL); and
Sanitary Landfill Leachate: Generation, Control and Treatment, 1994 (CRC Press, Boca
Raton, FL).
Honors and Awards: Dr. Qasim is the recipient of the College of Engineering
Halliburton Award for excellence in research, and the Distinguished Research Award of
the University of Texas at Arlington. He received a Fulbright Fellowship for research in
India and has served as a United Nations consultant to India under TOKTEN program
(Transfer of Knowledge Through Expatriate Nationals), and a consultant to the Kuwait
Institute for Scientific Research. He has reviewed concept papers and research proposals
for the National Science Foundation, Research Grants Council of Hong Kong, Kuwait
University, and the Office of Central Europe and Eurasia. He served as a reviewer of
technical papers for the Journal of Environmental Engineering Division, ASCE;
International Association of Water Quality:Arab Journal of Scientific Research; and
Journal of Qatar University. He also reviewed book proposal for Technomic Publishing
Co., McGraw-Hill Book Company, Marcell and Dekker, Inc., Prentice Hall and has
served on the Editorial Board of the Encyclopedia of Environmental Science and
Engineering.
8
Memberships: Dr. Qasim is a member of the American Society of Civil Engineers,
American Water Works Association, Water Environment Federation, Association of
Environmental Engineering and Science Professors, and many other professional and
honor societies. He is a Registered Professional Engineer in the states of Texas and Ohio,
and is listed in Who's Who in America, Who's Who in American Education,American
Men and Women of Science, and Who's Who among Asian Americans.
Presentations. Dr. Qasim's authored and co-authored papers and invited seminars have
been presented in Canada, China, Sweden, Greece, Hong Kong, India, Korea, Kuwait,
Malaysia, Singapore, Thailand, and USA.
9
City of Fort Worth, Texas
"agorr And Council Coml"U"icatio"
DATE REFERENCE NUMBER LOG NAME PAGE
8/7/03 **C-19694 60UTA 1 of 1
SUBJECT AGREEMENT WITH THE UNIVERSITY OF TEXAS AT ARLINGTON FOR WASTEWATER
RESEARCH PROJECTS
RECOMMENDATION:
It is recommended that the City Council authorize the City Manager to enter into an agreement with the
University of Texas at Arlington (UTA) for research services related to the wastewater system at a cost
not to exceed $55,685.
DISCUSSION:
The Water Department has identified the need for cooperative research efforts with UTA for evaluating
two products used in the wastewater treatment process that could ultimately reduce treatment costs by
increasing the generation of methane gas. Methane is produced and used at the plant as fuel in turbine
engines, which generate power to run equipment. Utilization of additional methane gas would reduce
the amount of purchased natural gas used to run the turbine engines. One product will be provided by
a vendor for testing under this agreement. The other product is waste deicing fluid, which is generated
at Dallas-Fort Worth International Airport. Along with assisting the airport in disposing of a waste
product, treatment of deicing fluid would provide an additional source of revenue for the City.
Dr. Qasim of UTA has prepared a proposal and will develop test procedures to determine if the above
products can be effectively utilized in the treatment process at the Village Creek Wastewater Treatment
Plant. A report on test results will be issued to the Water Department.
FISCAL INFORMATION/CERTIFICATION:
The Finance Director certifies that funds are available in the current capital budget, as appropriated, of
the Sewer Capital Project Fund.
MO:k
Submitted for City Manager's FUND ACCOUNT CENTER AMOUNT CITY SECRETARY
Office by: (to)
Marc Ott 8476
Originating Department Head:
APPROVED 8/7/03
Maebell Brown(Acting) 8207 (from)
P172 531200 070172301050 $55,685.00
Additional Information Contact:
Maebell Brown(Acting) 8207