HomeMy WebLinkAbout2007-05-08 - Agendas - Final T ayv�et re!T Pill
ARKANSAS WATEMEWED COMMITTEE AGENDA
Meeting Date of May 8, 2007
COMMITTEE: Chairman Kyle Cook; Alderman: Lioneld Jordan, Bobby Ferrell, Adella Gray
COPY TO: Mayor Dan Coody, Sondra Smith, Gary Dumas, Paul Becker, Susan Thomas, Tim
Conklin, Jeremy Pate, Ron Petrie, Shannon Jo m Hubbard, Peggy Bell, Lynn
Hyke, OMI
FROM: David Jurgens, Water and Wastewater Director
A meeting of the Fayetteville Water and Sewer Committee is plan d for May 8, 2007, at 5:15
PM, Room 326, Fayetteville City Hall. Proposed topics include:
1 . Approve Minutes of the April 10, 2007 Water/Sewer Committee eeting.
2. WSIP U date.
Contract Description Contractor Cost % Complete
WL-1 Porter - Hamestring & Old Wire — Gregg Oscar Renda $ 7,014,948 93.80%
WL-2 North St - Poplar - Gregg Gravity Line T-G Excavating $ 4,413,664 48.08%
WL-3 Porter - Hamestring & Old Wire — Gregg Combined contract with WL-1 98.00%
WL-4 Gregg Ave - Hamestring LS Gravity Line Oscar Renda $ 10,441 ,319 27.50%
WL-5 Force mains Hamestring - West Plant Gamey Const $ 4,752,287 100.00%
WL-6 Hamestring Lift Station Brasfield & Gorrie $ 6,133,546 58.05%
WL-7 GreggAve Lift Station Bid Open March 20 Not Yet Bid 0.00%
EP-1 Noland Wet Weather Improvements Wilson Brothers $ 1 ,327,794 0.00%
EP-2 Noland WWTP Renovation Archer Western $ 14,818,644 89.40%
WP-1 b Broyles Road Construction Crowder Const $ 3,737,965 0.00%
WP-2b Wetlands Mitigation, WWTP Site Green Scaping $ 145,200 5.00%
WP&L BP West Side (WL-6 & WP-3) Backup Power PowerSecure $ 1 ,986,897 14.21 %
WP-3 West Side WWTP Construction Brasfield & Gorrie $ 59,994,710 51 .05%
A change order is expected based on rock excavation and updating unit quantities.
2 This percentage reflects only this particular contract. The overall completion percentage for the
wetland mitigation site, including berms, water control structures, etc., is 75%.
a. Subproject WP-1 b, Broyles Road Construction from Persimmon Street to Woolsey
Farm Road, including approximately 5,900' of roadway, three box culverts and approximately 4,700
feet of storm sewer. The City received six bids May 3.
Staff requests this item be forwarded to the full City Council for approval.
Dean Crowder Construction $ 3,737,965.15 (low bid)
Sweetser Construction, Inc $ 3,781 ,213.00
Fochtman Enterprises $ 3,789,977.80
APAC Arkansas, Inc $ 3,845,949.25
Mobley Construction $ 4,019,511 .68
Township Builders, Inc $ 4,107,855.00
Engineer's Estimate $ 4,415,625.78
b. Subproject WP-3, West Side WWTP Change Order Number 2 is attached. This
change order creates no change in the contract cost or time, and rectifies several items identified
during the fourteen months of construction. The larger items involve changes to the influent piping
and metering structure to accommodate the now identified Farmington and Owl Creek lift station
arrangements, the addition of power and instrumentation panels for influentscreens and dewatered
sludge conveyors, adjustments to the depth for caisson excavation to match the actual depth that
had to be excavated, and several miscellaneous minor items. Changes are detailed on the first
page behind the change order. Most items were identified in Change Order Number 1 as needing
W&S committee agenda 8May07
further investigation before the change order could be developed. There is also a savings, as of the
current time, of $252,396 in sales tax. When the contract was awarded, the exact sales tax costs
were not specifically identified. State law allows that WWTP process equipment and structures that
physically come in contact with the wastewater are exempt from sales tax. The State Department of
Finance and Administration issued an opinion late in 2005, specific application of which has created
the sales tax savings we have seen. As the majority of the major purchases have been made, the
potential sales tax savings remaining after this change order is estimated at $24,467.
c. Subproject WL-7, Gregg Avenue Lift Station. This project involves a major upgrade to
the lift station at Gregg Avenue at Mud Creek, which is the focal point of lines WL-1 , WL-2, and the
beginning of WL-4. The renovated station will pump up to 19 mgd through pipeline WL-4 to the
Hamestring lift station. One bid was received on April 3; it exceeded the certified funding amount so
the bid was rejected. The project rebids May 8. Bid results will be distributed at the meeting.
d. WSIP Farmington Area Work. Design and easement acquisition are under way.
e. WSIP Easement Update. An updated matrix is attached. Farmington submitted their
request to ANRC for RLF loan funds in February.
f. Property Sale to Ozarks Electric. Ozarks Electric is developing their final proposal for
purchasing four acres and a permanent access easement to the four acres on the West Side WWTP
property, with the final location as shown on the attached plat. Per previous, Staff intends to
proceed with this sale without conducting an appraisal. When the proposed sale comes before the
full City Council for approval, it will include a waiver of ordinance 4358. Staff requests this item be
forwarded to the full City Council for approval.
g. Blue in Green Oxygen Injection Purchase. As discussed in the last W/S Committee
meeting, staff recommends consideration of a construction contract with BluelnGreen, LLC., for the
purchase and installation of a supersaturated dissolved oxygen injector for the Noland Wastewater
Treatment Plant, WSIP subproject EP-4, in the amount of $66,460.00 with a $5,000 contingency,
and approval of a bid waiver. This equipment, which uses liquid oxygen (LOX) rather than normal
air, is much more efficient than existing equipment. The expected savings in the overall use of LOX
at Noland will pay for the investment in roughly five years with many years of savings to follow, while
at the same time contributing to the City's ongoing efforts to conserve natural resources and function
in an environmentally friendly manner by using less LOX and electricity.
h. Beaver Lake Watershed Nutrient Reduction Study. Geosythetics should be providing
a revised contract this week. This project should be ready to come to the W/S Committee in June.
i. WSIP Construction Schedule and Cost Update. The updated schedule will be
distributed at the meeting.
3. Sanitary Sewer Rehabilitation Project Update.
a. Basins 1-5, 18 & 19 Sewer Rehab. T-G Excavating, $2,514,292, including Change
Orders 1 and 2; 90.1 % complete. We have received verbal notification from the AHTD that the
highway permit for the old Doc Murdoc's building has been approved. We will issue the Notice to
Proceed upon receipt. This is the same contractor executing WSIP WL-2, so scheduling precise will
be dictated by that project.
b. Farmington Area. The Farmington Sewer Rehabilitation Project Contract provides for
improvements to the sanitary sewer system in various locations of Farmington, Arkansas. Unit 1 of
the project includes replacing 3,719 linear feet of 6-inch and 8-inch diameter sewer by open cut and
point repairs at 66 locations. Unit 2 of the project includes the installation of 5,493 linear feet of 6-
inch and 8-inch diameter cured-in-place lining. Bid Opening is May 8, 2007. Funding is being
provided by the 2005 STAG grant, the City of Fayetteville, and the City of Farmington. Bid results
will be distributed at the W/S Committee meeting.
4. 36" Water Transmission Main Rehabilitation. The surge tank is painted except for the floor,
which requires an epoxy repair rather than regular paint. Quotes are being received for the epoxy
repair. Work is underway on the flow control structures for the 36" and 42" water transmission mains.
5. Mt. Seauoyah Water and Sewer Improvements. This project involves installing approximately
7,300' of water and 600' of sewer line in the Mount Sequoyah area. The objective is to replace
existing, old water and sewer mains that are undersized and/or located underneath houses built
W&S committee agenda 8May07
after the original lines were installed. Where this is the case, new meters and services will be
installed. Garver Engineers has performed preliminary engineering for this project. A change order
is now required for final engineering design. Negotiations are under way based on the attached
contract amendment; when completed the change order will be forwarded to the Water/Sewer
Committee for review.
6. Scheduling the Next Water/Sewer Committee Meeting. Staff recommends the next W/S
Committee meeting be scheduled at 5:15 Tuesday, June 12, 2007 in room 326, immediately
following the Agenda Session.
Attachments: WSIP WP-1 b, Broyles Road Bid Packet
WSIP WP-3, West Side WWTP Change Order Number 2
WSIP WL-7, Gregg Avenue Lift Station Bid Packet (to be distributed at meeting*)
WSIP Easement Matrix
WSIP Ozarks Electric Proposed Land Sale Plat
Blue in Green Information Packet
WSIP Construction Schedule and Cost Update (to be distributed at meeting*)
Farmington Sanitary Sewer Rehabilitation Bid Packet (to be distributed at meeting*)
Mt. Sequoyah Water and Sewer Improvements Draft Change Order
* The items to be distributed at the meeting will contain updates from bids opened the day of
the meeting, and thus cannot be distributed in advance.
W&S coirunittee agenda 8May07
City Council Meeting of June 5, 2007
CITY COUNCIL AGENDA MEMO
To: Fayetteville City Council
Thru: Mayor Dan Coody
Fayetteville Sewer Committee
From: David Jurgens, Water and Wastewater Director
Date: May 3, 2007
Subject: Approval of a construction contract with Dean Croder Construction in the amount of
$3,737,966.15, for the construction of Broyles Road, WSIP Subproject WP-lb, and approve a 10%
contingency of$374,000.00
RECOMMENDATION
City Administration recommend approval of a construction contract with Dean Crowder
Construction in the amount of$3,737,966.15, for the construction of Broyles Road, WSIP
Subproject WP-lb, and approve a 10% contingency of$374,000.00
BACKGROUND
The Contract provides for the construction of Broyles Road on the north beginning at Persimmon
Street and south along the existing line of Broyles Road approximately 3,350 feet, continuing south
on a new alignment another 2,550 feet, to the intersection of Broyles Road and Woolsey Farm Road.
The project includes construction of three box culverts and approximately 4,700 feet of storm sewer.
The City received six bids on May 3, 2007 for this project, as follows:
Dean Crowder Construction $ 3,737,966.15 (low bid)
Sweetser Construction, Inc $ 3,781,213.00
Fochtman Enterprises $ 3,789,977.80
APAC Arkansas, Inc $ 39845,949.25
Mobley Construction $ 490195511.68
Township Builders, Inc $ 45107,855.00
Engineer's Estimate $ 4,4157625.78
DISCUSSION
The bid has been reviewed by the Engineer, McGoodwin Williams & Yates, their letter
recommending award and bid tab are attached.
BUDGET IMPACT
Funds are available in the WSIP project budget.
WP-lb CCMemoMay07
ACEC
National
cGood in Williams a Yates Awfi rd
� y�t�ep,
En9ineeriag canfitlanc �
May 4, 2007
Mayor Dan Coody
Membersof the City Council
City of Fayetteville
113 West Mountain Street
Fayetteville, Arkansas 72701
Re Recommendation of Award
Westside Wastewater Facilities: Broyles Road Improvements
Contract' No. WP-ib
Fayetteville Project No. 02133-0324
MWY Project No. Fy-315
Dear Mayor Coody and City.Council:
Bids were received May 3, 2007, for the above referenced project. The low.bid was
submitted by Dean Crowder Construction of Bentonville, Arkansas in the amount of
$3,737,966.15.> The bid totals are shown below:
Total Bid Amount
Dean Crowder Construction, Inca $3,737,966.15
Sweetser Construction, Inc. $3,781,213.00
Fochtman Enterprises, Inc. $3,789,977.80
APAC-Arkansas, Inc./McClinton-Anchor Div. $3,845,949.25
Mobley Contractors, Inc. $41019,511.68
Township Builders, Inc. $4,107,855.00
A copy, of the certified bid tabulation is included for your reference, along with a copy of
the list of persons attending the bid opening. Our construction cost estimate' on this
project prior to 'receipt of bids was $4,415,000.
We have reviewed the Statement of Bidders Qualifications submitted by Dean Crowder
Construction, Inc., and based upon the information provided, believe them to be
qualified for this project. Dean Crowder Construction has been in business for 37 years,
performing the type of work proposed. Some of their relevant projects they listed are:
1) Huntsville Avenue,' Phase II in Springdale, AR, to be completed June 2007; 2) Metro
Park South in Rogers, AR, completed in November 2006; 3) Harris/BIDC Industrial Park
in Bentonville, AR completed in June 2005; 4)ISpringwoods Subdivision in Fayetteville,
completed in July 2006; and 5) Bright Road Improvements in Bentonville, AR,
completed in August 2005.'
7878
479 -443- 3414
479 - 43 -4340 • W WW _ri W 4us�.��t�
Mayor Dan Coody and Council
May 4, 2007
Page 2
While we have no way of verifying the present financial condition of Dean Crowder
Construction, Inc., the contract documents require the furnishing of 100 percent
performance and payment bonds prior to authorization of the notice to proceed of
construction. Therefore, we recommend that the City Council award this contract
to Dean Crowder Construction, Inc. in the amount bid of $3,737,966.15. We trust the
Council will concur in this recommendation.
The contract documents require substantial completion of the project within 300 days
and full completion and ready for final payment within 360 calendar days from the date
of the issuance of the notice to proceed.
If you have any questions or need any additional information, please let us know.
Cordially yours,
?tief
es C. Ulmer, P. E.
Operating Officer
JCU:sc
Enclosures
cc: Mr. David Jurgens, P. E.
Ms. Andrea Foren
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City Council Meeting of N/A- Mayor's Approval
CONTRACT REVIEW MEMO
To: Mayor Dan Coody
Fayetteville Sewer Committee
From: David Jurgens, Water and Wastewater Director
Date: 11 April 2007
Subject: Approval of a construction contract Change Order umber 2 with Brasfield & Gorrie, LLC.,
with no change to the contract cost or time, for construction of the West Side Wastewater Treatment
Plant, WSIP Subproject WP-2.
RECOARdENDATION
Staff recommends approval of a construction contract Change Order Number 2 with Brasfield & Gorrie,
LLC., with no change to the contract cost or time, for construction of the West Side Wastewater
Treatment Plant, WSIP Subproject WP-2.
BACKGROUND
Brasfield & Gorrie was awarded the contract to construct the West Side Wastewater Treatment Plant
(WWTP) in October, 2005. Work is over 50% complete, and is on track to meet the substantial
completion date of May, 2008. Most of the structural elements have already been installed.
DISCUSSION
This Change Order rectifies several items identified during the fourteen months of construction. The
larger items involve changes to the influent piping and metering structure to accommodate the now
identified Farmington and Owl Creek lift station arrangements, the addition of power and instrumentation
panels for influent screens and dewatered sludge conveyors, adjustments to the depth for caisson
excavation to match the actual depth that was required to be excavated, and several other miscellaneous
minor adjustments. All changes are detailed on the first page behind the change order. Most of these
items were identified in Change Order Number 1 as needing fiuther investigation before the change order
could be developed.
There is also a savings, as of the current time, of$252,396 in sales tax. When the contract was awarded,
the exact sales tax costs were not specifically identified. State law allows that WWTP process equipment
and structures that physically come in contact with the wastewater are exempt from sales tax. The State
Department of Finance and Administration issued an opinion late in 2005. Specific application of this
opinion has created the sales tax savings we have seen. As the majority of the major purchases have been
made, the potential sales tax savings remaining is estimated at $24,467.
The West Side WWTP renovation and upgrade project has been proceeding very smoothly and with
virtually no problems. The team of Brasfield& Gorrie, McGoodwin, Williams and Yates, OMI, and City
staff are producing an excellent project that is proceeding on time and within the approved project cost.
BUDGET E"ACT
This change order creates no change in the contract cost or time. A balance of$2,400,000 remains in the
approved project contingency.
y
i .
WP-2 Brasfield Change Order No 2 CC Memo Apr07
FAYEITEWLLE
THE CRY OF FAYEr1ENW.E,ARKMSAS
CHANGE ORDER
Project Number: 02133.0304
Contract Number: WP-3
Contract Title: Westside Wastewater
Treatment Plant and the Wetland Berms and the Water Line at Broyles Road
Change Order No.: 2 Date of Issuance: April 11, 2007
TO CONTRACTOR: Brasfield & GOrrie, LLC ORDINANCE NO:/RESOLUMN NO:
The Contract is changed as follows: EFFECTIVE
The Contract scope has been changed to include additions, deletions, and revisions to the
original Contract Documents. These changes reflect items of work required by proposed
field modifications of the Contract Documents as well as ongoing value engineering of the
project.
Note: Please refer to the attached documents for details of the proposed changes.
Not valid untilsigned by the Owner.
The original Contract Price was ..........................................................................................................$59,994,710.00
-Net change by previously authorized Change Orders .........................................................................$0.00
The Contract Price prior to this Change Order was ............................................................................$59,994,710.00
The Contract Price will be(Q increased)(O decreased)(0 unchanged)by .....................:...............$0.00
The new Contract Price including this Change Order will be .............................................................$59,9949710.00
The Contract Times will be(CI increased)((3 decreased)(®unchanged)by ...................................(O) days
Required date of Substantial Completion as of the date of this Change Order therefore is ................May 31,2008
NOTE: This summary does not reflect changes in the Contract Price or Contract Tunes which have been authorized by Work
Change Directives not incorporated in this or previous Change Orders.
Brasfield & Gorrie. LLC City of F etteville
CONTRACTOR OWNER
BY DTE BY
McGoodwin. Williams and Yates, Inc.
ENG
C�D t d
BY DATE
I certify there is a balance otherwise unencumbered to the credit of the appropriation to which the above amount is chargeable,
and a cash balance otherwise unencumbered in the treasury to the credit of the fund from which payment is to be made, each
sufficient to meet the above obligation.
Distribution: Q Owner(4)
Q Contractor
Q Engineer
00940 Change Order 00940-1
WESTSIDE WWTP
CHANGE SUMMARY
Increase Decrease Value
Description Contract Amount Contract Engineering
Sales Tax and Fuel Savings ($728,268 Original) New
Balance $24,467 ($683,617.00)
.y,':., .-. o; x! ♦ r ji, .RSt• x 1. 3" r X' LYS..
:��Yt �`t:�tF;,r.,�- �•": hvKa`:?�s�r>i���'S;:k�'�': ., ,. •, �;,.�",�"r ��.�.-.�".•" .?":'. .s,t;fi;r: ''T�'.'.t - ' .:,:...
Work Directive#1 12" x 8" Tee and Valve Setting - Broyles Rd Waterline $12,830.00
Work Directive#212" Waterline Aditions $5,697.00
Addition of 4 Wire Feed at Structures 7,10,24 and 25 $15,949.00
Change Conduit Material from PVC Coated rigid to Aluminum Rigid ($44,235.00)
Work Directive#5 Filter Outlet Changes Welded Outlets in lieu of Tee's ($29,199.00)
Change Clarifier Center Well Design "
UV Channel'Modifications WD#7 $1,689.00
Inlet Facility Electrical Room Modifications $86,117.00
Gas Line Crossina $19,521.00
Jobsite Utilitv Vehicals $28,833.00
Over Excavate and Backfill with#7 Stone $206,572.00
Control Panels 1-LCP-7 & 19-LCP-3 $47,999.00
Influent Pipelines WITHDRAW $225,312 $0.00
Aerial Photo's $5,000.00
Exterior Light Fixture Colors Rejected
Combine 16- MCC 1 & 2 $0.00
Additional Floor Boxes (RFI #64) $2,625.00
RFP#2 Deletion of HMI Programming from Bauman's Scope OMI to Perform) ($17,100.00)
RFP#3 Duplication of PLC 24 & 25 UO's and Relocate Oxy Gen System $3,172.00
Conduit Revisions Between Structures #24  to Aerators ($2,543.00)
Additional Waterstop at Clarifiers $15,401.00
Structure#17 Door Modifications (Z5541.00)
Work Directive#9 Door Swing and add 2 Skylights Bldg#23 $1,366.00
Work Directive#10 Building #23 Overhead Door Size Change $297.00
Caisson Depths (TBD) $0.00
Keystone Conveyor Control Panels $19,488.00
Concrete Thoroseal in Lieu of Rubbing (TBD) $0.00
Additional Sales Tax TBD $0.00
Influent Pipelines REVISED $231,245.00
n
TOTALS $703,801.00 ($703,809.00) ($73,434.00)
4/11/2007 Contract Adjustments - Fayetteville.xls
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Water/Sewer Committee Meeting of May 8, 2007
CITY COUNCIL WATER/SEWER COMMITTEE MEMO
To: Fayetteville Sewer Committee
From: David Jurgen, Water and Wastewater Director
Date: May 4, 2007
Subject: Approval of a contract with B1ueInGreen, LLC.,tent
purchase of a supersaturated
dissolved oxygen injector for the Noland Wastewater TreaPlant, WSIP subproject EP-4, in the
amount of$66,460.00 with a contingency of$5,000 and approval of a bid waiver
RECOMMENDATION
Approval of a construction contract with B1ueInGreen, LLC., for the purchase and installation of a
supersaturated dissolved oxygen injector for the Noland Wastewater Treatment Plant, WSIP subproject
EP-4, in the amount of$66,460.00 with a.$5,000 contingency, and approval of a bid waiver.
BACKGROUND
The equipment is puts oxygen in treated wastewater effluent to meet the dissolved oxygen concentration
required by our NPDES permit. It was tested on site from February — March 2007 at the Noland WWTP
with excellent results. This is the only manufacturer that makes equipment of this nature. It is unique
and the patent is pending, therefore a competitive bid is not possible. Alternative methods all cost more.
DISCUSSION
This equipment, which uses liquid oxygen (LOX) rather than normal air, is much more efficient than
existing equipment. The expected savings in the overall use of LOX at Noland will pay for the
investment in roughly five years with many years of savings to follow, while at the same time
contributing to the City's ongoing efforts to conserve natural resources and function in an
environmentally friendly manner by using less LOX and electricity.
While not specifically identified in the 2001 Wastewater Master Plan, this plant improvement matches
exactly the spirit and intent of all aspects the WSIP efforts at the Noland facility. This work would have
likely been included in the 2001 scope of work had this technology been available at that time. Thus,
staff recommends that this project be incorporated into the WSIP as EP-4.
Cost Comparison
Current SDOX-300 $ Annual Savings
Oxygen Consumption, cu ft/yr 1,754,892 133,643
Cost per 1000 cu ft $8.62 $8.62
Oxygen Cost per Year $15127.17 $19152.00 $139975.17
Electrical Consumption, KWH 6,600 0
Cost per KWH $0.06 $0.06
Electrical Cost per Year $396.00 $0.00 $396.00
Total Annual Savings $149371.17
BlueinGreen has offered the City a discounted rate in order to get this system in use in this region.
Although it is a first time application, all components are available on the open market, making repair
relatively simple and eliminating the concerns normally associated with new technologies.
BUDGETIMPACT
Funds are available in the WSIP project budget.
EP-4 Oxygenation Injection May07
a
TM BluelnGreen, LLC
G' 535 W. Research Blvd., Suite 135
Blue Green Fayetteville, AR 72701
Ph. (479) 527-6378 Fax (479) 571-8814
April 5, 2007
CH2M Hill OMI
City of Fayetteville Paul R. Noland Wastewater Treatment Facility
1400 N Fox Hunter Road
Fayetteville, AR 72701
Attention: Mrs. Duyen Tran
Dear Mrs. Tran:
BlueInGreen, LLC is pleased to offer its new oxygenation technology, the Supersaturated
Dissolved Oxygen Injector (SDO) TM), to CH2M Hill OMI for use in the City of
Fayetteville Paul R. Noland Wastewater Treatment Facility.
The SDOX features patent pending technology exclusively licensed from the University
of Arkansas, which delivers dissolved oxygen (DO) directly to water suffering from low
oxygen content and/or poor water quality. Its innovative and efficient design restricts
oxygen loss to the atmosphere such that nearly 100% of the oxygen gas fed to system is
dissolved. This means the SDOX, when compared to other oxygenation technologies,
uses and wastes less oxygen, saves money, and is much more environmentally friendly.
The SDOX is easily integrated in treatment plants without any major infrastructure
changes or additions, and it is easily controllable to deliver the precise amount of oxygen
needed during changing water conditions.
The SDOX system was tested in a pilot study at the Fayetteville Wastewater Treatment
Facility for one week during the winter of 2007. During the pilot study, the SDOX was
used to oxygenate the facility's treated effluent water, and its performance was directly
compared with the facility's existing effluent oxygenation system. Results from the pilot
study show the SDOX accomplished the same level of DO delivery as the facility's
existing oxygenation system while using only 8.5% of the oxygen the current system
used. This reduction in oxygen translates to very large cost savings, over $13,300 per
year.
The SDOX presents several advantages and significant cost savings over the current
effluent oxygenation system used at the Fayetteville Wastewater Treatment Facility. We
hope you consider its application a viable cost saving and capital improvement measure.
Thank you.
Sincerely,
Adam Jokerst
Applications Engineer
` TM BluelnGreen, LLC
d
535 W. Research Blvd., Suite 135
BluelnGreenFayetteville, AR 72701
Ph. (479) 527-6378 Fax (479) 571-8814
Supersaturated Dissolved
Oxygen Injector ( SDOX)
For
CH2M Hill OMI
City of Fayetteville Paul R. Nolan Wastewater
Treatment Facility
BLUEINGREEN REFERENCE NUMBER: 2007-0154RO
DATE: 04-APR-2007
PROPOSAL VALID FOR 60 DAYS
BluelnGreen Customer Service Contacts
Adam Jokerst, Applications Engineer Clay Thompson, Senior Engineer
479-466-8166 direct 479-527-6378 direct
1
TABLE OF CONTENTS
Page No.
I. Definition of Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
II. Design Basis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
III. Utilities Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
IV. Equipment Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 "
V. Commercial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
VI. Support and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
VII. Owner Requirements & Responsibilities. . . . . . . . . . . . . . . . . . 11
Attachments
A. Terms and Conditions
B. SDOX Diagram
2
I. DEFINITION OF APPLICATION
The equipment described in this proposal is designed to oxygenate the
treated wastewater effluent from the Fayetteville Wastewater Treatment
Facility to a dissolved oxygen (DO) concentration stipulated by a National
Pollutant Discharge Elimination System (NPDES) permit.
Design effluent flow rate: 16 MGD - average
36 MGD - peak
Design effluent temperature: 30 °C
NPDES permitted minimum effluent discharge DO concentration :
8.0 mg/L - summer
10.0 mg/L - winter
Design DO concentration increase at peak flow: 2.5 mg/L
The SDOX system is automated to deliver a fixed amount of oxygen in
solution on command or continuously. It has a manually adjustable oxygen
delivery rate based on the internal operating pressure to match the demand
requirements, providing a full range of turndown capability. System
operating parameters can be easily integrated into plant monitoring
programs.
The remaining document provides details of the SDOX-300 application
solution.
3
II. DESIGN BASIS
The SDOX-300 has the following maximum operating capacity:
DO increase at average effluent flow rate: 5.6 mg/L
DO increase at peak effluent flow rate: 2.5 mg/L
SDOX-300 flow rate: 220 gpm
SDOX-300 oxygen usage: 750 Ib DO/day
Estimated SDOX-300 power requirement: 32 HP
Under average conditions, the SDOX-300 will operate as follows:
Treated effluent flow rate: 16 MGD
DO concentration increase: 2.5 mg/L
SDOX-300 flow rate: 100 gpm
SDOX-300 oxygen usage: 335 Ib DO/day
Estimated SDOX-300 power requirement: 14 HP
The SDOX-300 has the following piping design:
Inlet line size: 4-inch pipe
Discharge line size: 3-inch high pressure pipe
Average inlet line velocity: 2.5 ft/s
Average discharge line velocity: 4.3 ft/s
Maximum inlet line velocity: 5.5 ft/s
Maximum discharge line velocity: 9.5 ft/s
4
III. UTILITIES REQUIRED
Electricity
Main : 460 V/3 PH/60 HZ
Control : 110 V/1 Ph/60 HZ
Average connected power: 14 HP
Maximum connected power: 32 HP
Utility Oxygen
Maximum oxygen usage: 750 Ib/day
370 scfh
Average oxygen usage: 335 Ib/day
165 scfh
Utility oxygen required at 120 psig. Oxygen usage rates based on 100%
oxygen composition by mass. .
5
IV. EQUIPMENT SPECIFICATIONS
Saturation Chamber
One (1) 36-inch diameter x 55-inch tall saturation chamber, pressure
rated and ASME coded to 150 psig :
Material : 304 stainless steel
• 3-inch inlet 150#RF flange
• 3-inch outlet 150#RF flange
• 2x1-inch 150#RF level instrument flanges
• 3/4-inch oxygen supply/pressure relief connection, NPT threads
Welding is per ASME standards for piping (US). Hydrostatic pressure
tested. No radiograph is included.
Oxygen saturation chamber, fittings, and instruments cleaned per CGA
G-4.1 standards.
Pump and Motor
Pump
Goulds Model 3196 MTX Centrifugal pump. Size: 1.5x3-10. Solids
capacity: 0.22-inch.
Motor
Baldor 50 HP TEFC Premium Efficiency inverter duty motor with a 440
V/3 PH variable frequency drive (VFD).
Maximum operation : 225 gpm at 155 psig discharge pressure.
RECOMMENDED CONFIGURATION:
Two (2) integrated parallel pumps with motors and VFD's. Parallel
pump system provides one (1) operational pump and one (1) backup
pump.
OPTIONAL CONFIGURATION :
One (1) pump with motor and VFD; no backup.
Electrical Construction
Electrical construction is in accordance with the US National Electric
Code (NEC). Please advise if any unusual conditions or local codes are
required.
Control Panel
6
One (1) control panel with the following components:
1 . NEMA 4 weatherproof enclosures with 20%spare terminals.
2. Control panel indicating lights and shutdowns.
Status Indication
■ Power on (White)
■ Pilot "ON" (Green)
Button and Switches
■ Power (on/off)
■ Operation Mode (hand/off/auto)
■ System Reset
■ Shutdowns and Alarms
■ Emergency Shutdown (remote contact)
4. Programmable Logic Controller (PLC).
• CPU module with operating program
• 120/240/460 VAC power Supply
• Module Base
• 120 VAC Input Module
• Relay Output Module
• Analog Output Module
• 4 - 20 mA
6. Adjustable temperature space heater in master panel enclosure.
'Structural Steel
Structural skid will be provided to hold control panel/rack, water line
and instrumentation components. Skid fabrication per AISC standard
and welding per AWS D1.1 standard or equivalent, no radiograph is
included.
Piping
Schedule 40 steel inlet and discharge piping. Pressure rated 300 psig per
ASTM A-135.
304 SS small diameter oxygen supply piping - ANSI 150# NPT, cleaned per
CGA G-4. 1.
• 4-inch inlet pipe
• 3-inch discharge pipe
• 3/4-inch oxygen supply pipe
Packaging, Testing
The above equipment packaged to include piping, electrical wiring,
conduit, paint, and other miscellaneous materials requiring only minor
field assembly and terminations.
7
Pre-shipment electrical checkout performed by BlueInGreen
Protective Coatings
Exterior carbon steel surface preparation per SSPC-SP6-63 and primer
coated with Sherman Williams inorganic zinc (2 1/2 Mil D.F.T.) or
equal.
No coating on stainless steel surfaces.
Applicable Codes
NEC - (US electrical code) / NEMA
ANSI - valves, flanges, and pipe fittings
ASTM - steel materials, pipe and fittings
CGA - oxygen pipe, fittings, and instruments
Documentation
All materials are based on BlueInGreen standard design and practice:
Drawings - P&IDs, electrical one-line, general arrangements
Datasheets - Included for all purchased components (MS Excel or
Word, CP Enterprises standard format)
Operating Manual - Three (3) copies of Operation and Maintenance
Manuals are included. Extra copies can be supplied at additional
cost.
8
V. COMMERCIAL - Pricing, Delivery, And Terms
Firm Price for SDOX-300 RECOMMENDED CONFIGURATION, $US:
BlueInGreen offers OMI/Fayetteville Wastewater Treatment Facility a
one-time 30% Introductory Discount.
Firm Price for SDOX-300 RECOMMENDED CONFIGURATION including
Introductory Discount, $US: 6G.460
Price Additions/Reductions, $US
Option Number & Description
1 . OPTIONAL CONFIGURATION; no backup pump (410,400
2.
3.
Price is based on Buyer's acceptance of BlueInGreen's Standard Terms of
Sale (see attachment).
Schedule
The estimated time to delivery on site is approximately 15 weeks after
receipt of order. A detailed schedule will be provided after receipt of order.
General delivery milestones after receipt of order are included below for
informational purposes.
Fabrication/receiving components: 12 weeks
Assembly and shop checks: 2 weeks
Shipping
FOB point of final assembly
Estimated shipping weight: 5000 Ib
Payment Terms
30% upon Receipt of Order
30% upon Receipt of Major Materials for Assembly
30% upon Shipment
10% upon Commissioning/Startup (within 90 days of shipment)
9
VI. SUPPORT AND MAINTENANCE
Support
BlueInGreen will provide in-person technical support for initial product
installation and setup upon delivery of product. Operation and maintenance
training will be conducted by BlueInGreen employees during initial product
installation and setup. Costs accrued by BlueInGreen employees for initial
product installation and setup will be provided by BlueInGreen. BlueInGreen
will continue to provide prompt technical support for the duration of the
product ownership.
Maintenance
See Section VII. Owner Requirements
Service
See attached Terms and Conditions of Sale
10
VII. Owner Requirements
1. Provide suitable foundation which will completely support the skid and
vessel structural members.
2. Off-load the components from transport vehicles.
3. Reassemble all items that were disassembled for shipping purposes.
4. Furnish and connect water inlet and discharge lines to/from SDOX,
oxygen lines from oxygen source to the SDOX, and electrical lines
from a power source to the SDOX.
5. Provide utilities outlined in Section III.
6. Ensure that all components of the system have proper relieving
capacity in the event that the thermal oxidizer is not operational. The
relief valve should be installed so as not to vent vapors near the
thermal oxidizer.
7. Furnish and install utilities required to operate the unit as defined in
the design basis.
8. Provide electrical grounding for unit.
9. Realign any rotating equipment if required.
10. After a suitable run-in and test period, if electrical conduits are used,
the customer is responsible to provide the necessary materials to pour
the conduit sealant per appropriate electrical code requirements.
11. Maintain parts in suitable working condition on schedule as outlined in
the provided Operating Manual
11