26-30 ADDENDUM 1.pdf

PDF 208 KB Posted

Attached to
9280-26-R-IFBD-00034-V01
Solicitation number
3160007920
Issued by
Jasper County, Mississippi

About this file

Addendum 1 Summary - Bid #26-30, RFX 3160007920

This is an addendum document issued by the University of Southern Mississippi's Procurement and Contract Services clarifying specifications for the Heater Chiller System solicitation for the Oyster Hatchery and Research Center. The addendum addresses technical questions regarding refrigerant options, controller integration, low ambient fan control requirements, and corrosion-resistant coating specifications across multiple equipment units. Key clarifications include confirmation that controllers are required as separate items for the CY-5 and DSHP-5 units, that the normal operating temperature will not fall below 65°F for indoor units (eliminating the need for cold water cap tube options), and that low ambient fan control is required for 4 of the 6 HP-5 units to accommodate operation at air temperatures between 0-55°F. The addendum specifies that 304 stainless steel is sufficient for all unit stands, with 316 stainless steel available as an optional upgrade. Marine epoxy tropicoat coating is available for condenser units but carries a 2-3 week lead time extension. The nominal BTUH ratings are clarified at 5,280 BTUH due to the use of R513a refrigerant rather than the 6,000 BTUH specified in original documentation.

No pricing adjustments, payment term modifications, or contract award timeline changes are detailed in this addendum. The document serves primarily to resolve specification ambiguities and provide bidders with definitive technical requirements to ensure accurate quotations and proper equipment configuration for the aquaculture facility's saltwater environment applications.

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Other files

File Type Posted
26-30 HEATER CHILLER OHRC BID COVERSHEET.pdf PDF
download.pdf PDF
BID 26_30 LEGAL AD_SH.pdf PDF
BID 26-30 HEATER CHILLER SPECIFICATIONS.pdf PDF
download (1).pdf PDF
BID 26-30 BID PACKET.pdf PDF
RFP URL.pdf 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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