WI 6 Spec.pdf

USCGC JOSEPH GERCZAK (WPC-154) DOCKSIDE AVAILABILITY FY2026

51000_JLW_0523_154

WORK ITEM 6: HVAC Duct System, Clean

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean the interior of the following ventilation system components and ducts.

TABLE 1 AREAS WITH HVAC DUCT OR COMPONENTS TO BE CLEANED

COMPARTMENT ITEMS TO BE CLEANED.

Pilot House (01-19-0-C) All supply and return ducting and associated grating/louvers, etc.

MAIN DECK

HVAC Equipment Room (1-24-1-Q) All supply and return ducting and associated grating/louvers, etc.

All surfaces inside of air handler assembly that contact air going out to supply ducts (e.g. coils, filters, plenums, etc.)

Passage (1-23-0-L) All supply and return ducting and associated grating/louvers, etc.

Mess Deck (1-17-0-Q) All supply and return ducting and associated grating/louvers, etc.

Galley (1-18-2-Q) All supply and return ducting and associated grating/louvers, etc.

Office (1-16-1-A) All supply and return ducting and associated grating/louvers, etc.

CO Cabin (1-12-1-L) All supply and return ducting and associated grating/louvers, etc.

XO Stateroom (1-12-2-L) All supply and return ducting and associated grating/louvers, etc.

OPS CPO Stateroom (1-15-2-L) All supply and return ducting and associated grating/louvers, etc.

SECOND DECK

Climate Controlled Store Room (2- 23-4-A)

All supply and return ducting and associated grating/louvers, etc.

C4ISR Equipment RM (2-23-3-Q) All supply and return ducting and associated grating/louvers, etc.

ENG CPO Stateroom (2-32-2-L) All supply and return ducting and associated grating/louvers, etc.

2 Person Stateroom (2-21-2-L) All supply and return ducting and associated grating/louvers, etc.

4 Person Stateroom (2-20-1-L) All supply and return ducting and associated grating/louvers, etc.

4 Person Stateroom (2-17-2-L) All supply and return ducting and associated grating/louvers, etc.

2 Person Stateroom (2-17-1-L) All supply and return ducting and associated grating/louvers, etc.

2 Person Stateroom (2-15-2-L) All supply and return ducting and associated grating/louvers, etc.

2 Person Stateroom (2-15-1-L) All supply and return ducting and associated grating/louvers, etc.

1 Person Stateroom (2-10-2-L) All supply and return ducting and associated grating/louvers, etc.

1 Person Stateroom (2-10-1-L) All supply and return ducting and associated grating/louvers, etc.

Passage (2-10-0-L) All supply and return ducting and associated grating/louvers, etc.

TABLE 2 CONTRACTOR FURNISHED TEMP HVAC (PARA 3.3)

YES

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 154 WPC 512-201, Rev -, HVAC Arrangement

Coast Guard Drawing 154 WPC 512-301, Rev B, HVAC System Diagram

Coast Guard Drawing 154 WPC 512-305, Rev -, HVAC Equipment List

Coast Guard Drawing 154B WPC 512-201, Rev A, HVAC Arrangement

Coast Guard Drawing 154B WPC 512-301, Rev -, HVAC System Diagram

Coast Guard Drawing 154B WPC 512-305, Rev -, HVAC Equipment List

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 5100 (SFLC Std Spec 5100), 2022, Clean Shipboard Ventilation Systems

Coast Guard Technical Publication (TP) 8123, SEP 2019, Preliminary - Heating, Ventilation, and Air Conditioning System - Frc-514-P1

OTHER REFERENCES

None

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

None.

NOTE

The Contractor is reminded to comply with ALL requirements invoked by this work item, such as SFLC Std Spec 0000 and SFLC Std Spec 5100 (e.g.

mark and restore damper positions; remove all intake and exhaust screens, clean vent systems in their entirety from the point where the air enters the system to the point where the air is discharged from the system; restore, renew, or repair all articles or component removed or disturbed to their original condition if damaged or modified during contract work etc).

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).

3.1.4 Interferences. The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences).

3.2 Operational test, initial. Prior to commencement of work, the Contractor must witness Coast Guard Personnel perform an initial operational test of the ventilation systems included in this work item, to demonstrate the existing operational condition. Document all modifications to the system (e.g. new holes in existing duct, etc.) that will be required to perform the cleaning work, do not perform modifications without Coast Guard authorization. Submit a CFR.

3.3 Temporary HVAC. 2 CONTRACTOR FURNISHED TEMP

HVAC, the Contractor must provide temporary ventilation to all impacted areas equivalent to the normal zonal ventilation rating for those spaces (i.e. maintain existing climate control) for the duration of work as described in SFLC Std Spec 0000, otherwise the Coast Guard will furnish any required temporary ventilation.

3.4 Cleaning requirements. The Contractor must clean and inspect the interior surfaces of ventilation system ducting runs and components listed in the TABLE 1 AREA WITH HVAC DUCT OR COMPONENTS TO BE CLEANED above. Use Coast Guard drawings and (TP) 8123 listed in Section 2 as reference. Comply with all requirements in SFLC Std Spec 5100. Submit a CFR.

3.4.1 Duct Interior Images for Final Report. After gaining access to duct interiors, take a digital photo of each duct interior surfaces at the opening created to show the condition of the duct work prior to cleaning.

Then prior to closing the duct work accesses take a final image of the same area post-cleaning. Add these images to the final report submitted in paragraph 3.6 Operational test, post repairs, below.

3.5 Notification. The Contractor must give written notification to the COR, 48 hours before starting ventilation cleaning work.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.6 Operational test, post repairs. After completion of work, the Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate the ventilation systems included in this work item to be in satisfactory operating condition. Submit a CFR.

4. NOTES

This section is not applicable to this work item.