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- Attached to
- 9280-26-R-IFBD-00034-V01
- Solicitation number
- 3160007920
- Issued by
- Jasper County, Mississippi
About this file
This is an Addendum to a sealed bid solicitation issued by the University of Southern Mississippi's Procurement and Contract Services for a Heater Chiller System to support the Oyster Hatchery and Research Center at the Gulf Coast Research Laboratory. The procurement encompasses seventeen units of aquaculture water temperature control equipment, including three low-profile drop-in water chillers (CY-5 units), four air-cooled reversible heat pump/chiller units (HP-5), six medium-capacity units (HP-6 rated at 5 tons/60,000 BTUH), and four large-capacity units (HP-7 rated at 7.5 tons/90,000 BTUH). All equipment must feature titanium heat exchangers suitable for saltwater use, corrosion-resistant construction, digital temperature controllers, and integrated safety flow switches. Sealed bids were due by Friday, March 20, 2026, at 2:00 p.m. CDT to the Shipping and Receiving Office at the Oceanography Building, 703 E. Beach Drive, Ocean Springs, Mississippi 39564. Delivery is required FOB destination with full assembly where practical and advance delivery coordination.
This addendum addresses clarifications regarding equipment specifications, including actual nominal BTUH ratings of 5,280 for CY-5 and DSHP-5 units due to 513a refrigerant usage, the need for separate controllers not integrated to units, and specifications for low ambient fan controls and corrosion-resistant coatings. The University confirmed that normal operating temperatures are not below 65°F for most indoor units, though four of the six HP-5 units require low ambient fan controllers for operation in temperatures between 0-55°F. The University specified 304 stainless steel construction as sufficient for all stands, declining additional 316 stainless steel upgrades that would have added two to three weeks to standard lead times. Payment terms are established at 2% discount if paid within ten days or net payment within 45 days in accordance with Mississippi law, with cash discounts accepted when earned but not serving as a basis for contract award.
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Other files
| File | Type | Posted |
|---|---|---|
| 26-30 ADDENDUM 1.pdf | ||
| 26-30 HEATER CHILLER OHRC BID COVERSHEET.pdf | ||
| BID 26_30 LEGAL AD_SH.pdf | ||
| BID 26-30 HEATER CHILLER SPECIFICATIONS.pdf | ||
| download (1).pdf | ||
| BID 26-30 BID PACKET.pdf | ||
| RFP URL.pdf |
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Text version
Bid # 26‐30
RFX 3160007920
University of Southern Mississippi Heater Chiller System for Oyster Hatchery and Research Center Addendum 1
Questions
3A Specs do not mention if you need Cold Water Cap Tube Option or not. What is the operating temperature? If below 65F, it will require the CWCT option.
CY-5 or CY-5-CWCT Actual nominal BTUH is 5280 and not 6000 this is due to the use of 513a refrigerant Controller is not integrated to the unit but is included as separate item.
3B DSHP-5
Nominal BTUH is 5280, same as above due to 513a refrigerant Controller is not integrated to the unit but is included as separate item.
3C1 HP-5
LAC Low ambient fan control required if the unit is to operate in chill mode when ambient air temps between 0-55F, is this applicable?
Tropicoat Specs mention corrosion resistant; do you want to add the marine epoxy tropicoat to the condenser unit? Note that this will add 2-3 weeks to standard lead time Stand is 304SS, 316SS option is available as an adder per unit.
3C2 HP-6
LAC Low ambient fan control required if the unit is to operate in chill mode when ambient air temps between 0-55F, is this applicable?
Tropicoat Specs mention corrosion resistant; do you want to add the marine epoxy tropicoat to the condenser unit? Note that this will add 2-3 weeks to standard lead time Stand Standard stand is 304SS, 316SS option is available as an adder per unit.
3C3 HP-7
LAC Low ambient fan control required if the unit is to operate in chill mode when ambient air temps between 0-55F, is this applicable?
Tropicoat Specs mention corrosion resistant; do you want to add the marine epoxy tropicoat to the condenser unit? Note that this will add 2-3 weeks to standard lead time Stand Standard stand is 304SS, 316SS option is available as an adder per unit.
Answers
3A: Will need Controller for units. The normal operating temperature is not below 65 F and they are located indoors
3B DSHP-5: Will need Controller for units. The normal operating temperature is not below 65 F and they are located indoors
3C1 HP-5: 4 of the 6 units require Low ambient fan controller is required as units will be operated with air temperatures between 0-55F.
2 of the 6 do not require Low ambient temperature is not required for these units 304 Stainless is sufficient
3C2 HP- 6: Low ambient temperature is not required for these units 304 Stainless is sufficient
3C3 HP-7: Low ambient temperature is not required for these units 304 Stainless is sufficient
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