MODIFICATION
C -- MCCOOK RESERVOIR MIXING SYSTEM
- Notice Date
- 3/4/2003
- Notice Type
- Modification
- Contracting Office
- US Army Corps of Engineers, Chicago - Civil Works, 111 N. Canal, Suite 600, Chicago, IL 60606
- ZIP Code
- 60606
- Solicitation Number
- DACW23-03-P-0001
- Response Due
- 4/30/2003
- Archive Date
- 6/29/2003
- Point of Contact
- Regina Blair, 312-353-6400, Ext. 1702
- E-Mail Address
-
Email your questions to US Army Corps of Engineers, Chicago - Civil Works
(regina.g.blair@lrc02.usace.army.mil)
- Small Business Set-Aside
- N/A
- Description
- NA The previous notice for DACW23-03-P-0001 is amended to make administrative changes. The question marks (?) appearing in various places throughout the notice have been changed or deleted, as appropriate. The question marks were inadvertently included as a r esult of information technology operational constraints. The revised notice is as follows: The U.S. Army Corps of Engineers Chicago District is conducting a Market Survey to identify potential sources that currently possess the expertise, capabilities, an d experience necessary to meet the design criteria for the McCook Reservoir Mixing System. THIS is a sources sought for planning purposes only. This notice does not constitute an Invitation for Bid or Request for Proposal and is not to be construed as a commitment by the Government. The Government will not reimburse contractors for any cost in curred for their participation in this survey. Large and small businesses are encouraged to participate in this survey. BACKGROUND: The reservoir will be operated as a facultative pond. Mixing will only be used to resuspend the sediments at the bottom o f the reservoir, and the zone of mixing influence only needs to be approximately 10 feet deep. The purpose of mixing the bottom 10 feet is to facilitate sediment removal when the reservoir is gravity drained via a bottom outlet. Sediment will be resuspen ded and gravity drained while the reservoir is still full, throughout the entire range of water depths. (The mixed layer will have 20 to 240 feet of water above it.) EXPECTED water depth range = 30 feet to 250 feet. THE MIXERS would be used to remove the sediments with the entire range of water depth still above the mixing zone. Above the 10 feet mixing zone, it is desired that the water have very low (near zero) velocity so that mixing with the upper water column is minimized. A MIXING system for Stage 1 of the reservoir is the current focus. Stage 1 is separated from Stage 2 and from the sump area by weirs that are approximately 150 feet high. A plan and profile of the McCook Reservoir is available by contacting Dr. Jennifer M iller at (312) 846-5502. MAXIMUM depth of solids layer at bottom of reservoir = 36 inches of material with a water content of 99 percent. AVERAGE dry density of solids = 1.68 g/mL. BOTTOM slope of reservoir = (a maximum of ) 1 percent toward the outlet. RESERVOIR will contain water approximately 10 percent of the time, and will be dry (and exposed to the elements) the remainder of the time. THE MIXER design could have a variable number of mixers for the variable water depth, but the overall design must address both low water and high water conditions. PLEASE SUBMIT THE FOLLOWING INFORMATION FOR THE ABOVE DESCRIBED SCENARIO: 1. The number and layout of mixers or jets, including any auxillary pumps or other equipment, and including the space requirements of any equipment that would be located outside the reservoir. 2. Technical data/description for the proposed equipment, including the horsepower rating. 3. The total energy input that would be provided. 4. A general description of the type of controls used for the system. 5. A general description of the anchors or supports for the mixers or jets. 6. Any special considerations or equipment that would be needed for the system to operate year-round, and for the equipment to withstand year-round exposure to weather conditions in an empty (completely dewatered) reservoir. 7. Maintenance requirements for the equipment, including the equipment life, maintenance and replacement frequency, and replacement costs. 8. An estimated cost for the system, broken down into construction cost and O&M costs, assuming a 20 year life for the system. ALL CAPABILITIES STATEMENTS are due to Regina Blair and Dr. Jennifer Miller prior to the close of business on 30 April 2003, via email or fax. The e-mail addresses for Ms. Blair and Dr. Miller are: regina.g.blair@lrc02.usace.army.mil, and J ennifer.miller@lrc02.usace.army.mil, respectively. FAX TO: (312) 886-5475, ATTN: Regina Blair. POINT OF CONTACT for this action is Regina Blair, Contracting Officer, Telephone: (312) 846-5371. NOTE: THIS NOTICE WAS NOT POSTED TO FEDBIZOPPS.GOV ON THE DATE INDICATED IN THE NOTICE ITSELF (04-MAR-2003). IT ACTUALLY FIRST APPEARED ON THE FEDBIZOPPS SYSTEM ON 07-MAR-2003. PLEASE CONTACT fbo.support@gsa.gov REGARDING THIS ISSUE.
- Place of Performance
- Address: US Army Corps of Engineers, Chicago - Civil Works 111 N. Canal, Suite 600, Chicago IL
- Zip Code: 60606
- Country: US
- Zip Code: 60606
- Record
- SN00274442-W 20030309/030307215325 (fbodaily.com)
- Source
-
FedBizOpps.gov Link to This Notice
(may not be valid after Archive Date)
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