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Q1. Is this a new requirement, or is there an incumbent contractor? If existing, can you provide me the contractor and award amount?
A1. This is a new requirement.
Q2. Do we need to charge you sales tax on this project?
A2. The contract will be exempt from additional taxes and the awardee will receive a tax-exempt certificate if they require one.
Q3.
| • | Will a site visit be scheduled? Yes. |
| • | Boilers |
| o | What is the horsepower for the cleaver brooks boilers? 4WI 500-600 HP |
| o | What is the average load percent? Boiler is rated for 20,700 of steam per hour. So roughly 10,000 to 15,000 per hour depending on demand. |
| o | Condensate Return percentage? About 70% of condensate is returned. |
| o | What type of pretreatment (softeners, RO, etc)? We have 1 media prefilter, 1 carbon prefilter, and 3 softeners. Also, a small 9 membrane RO unit that runs about 35gpm. |
| o | Do you have any annual water consumption documentation? 6000 to 9,000 per day depending on demand |
| o | What are the pressures that these are run at? Boilers are currently running at 110psi |
| o | Feedwater quality, i.e. hardness, alkalinity, iron, conductivity? Feedwater is 8.8-9.7pH, 0 hardness, 0-50conductivity |
| • | Cooling Tower |
| o | Do the towers have a common header/equalizer line? Yes |
| o | What are the dimensions of the towers? See below |
| Each cell: (Without Options) |
Per 4-cell tower: with options)
o What is the average recirculation rate? 4500 GPM
| • | Chillers |
| o | What is the nominal tonnages of the 6 chillers? 1500 per chiller |
| • | Chilled Loop |
| o | What is the estimated volume of the chilled loop? Estimating 115,000 gallons. |
| • | RO Unit |
| o | What is the make and model of the RO unit? CRANE EPRO 57K |
| o | How many membranes are there? 9 membranes |
| o | What is the average flow rate? 35 gpm |
| System |
| Production |
| M3/D |
| Max 3rd year operating psi |
| Inlet |
| # of 8”x40” |
| Designed |
Recovery Motor HP 3 phase
| EPRO 57K |
| 40 |
| 57600 |
| 218 |
| 224 |
| 2” |
| 8 |
| 65-75% |
| 15 |
| 15 |
| • | Carbon Filter |
| o | What is the make and model of the carbon filter? Model FCF-200-200 Carbon Filter. Pentair Composite Filter, CH33421, 264 |
| o | What is the average flow rate? Average is 7000-9000gal/day |
Q4
| • | Is there a site visit scheduled for this project, and if so, when will that be? Yes. 4 February 2021 at 10:00AM CST at 2400 Canal Street, New Orleans, LA 70112. |
| • | Will remediation and retesting be included in this contract, in the event of a positive Legionella test? There will be a modification to add those services, if required and if prices can be determined to be fair and reasonable. |
| • | Are tower cleanings to be included in this contract? Yes |
