WI 5 Spec.pdf

USCGC WILLIAM HART (WPC-1134) DOCKSIDE AVAILABILITY FY2026

51000_JLW_0523_154WPC

WORK ITEM 5: Machinery Ventilation 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 MACHINERY VENTILATION DUCTS TO BE CLEANED

DUCT

Main Engine Room Supply Main Engine Room Exhaust Generator Room Supply Generator Room Exhaust PORT Steering Gear Room Supply PORT Steering Gear Room Exhaust STBD Steering Gear Room Supply STBD Steering Gear Room Exhaust FWD Auxiliary Machinery Room Supply FWD Auxiliary Machinery Room Exhaust EDG Room Supply

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 154 WPC 513-201, Rev B, Machinery Ventilation Arrangement

Coast Guard Drawing 154B WPC 513-201, Rev B, Machinery Ventilation Arrangement

Coast Guard Drawing 154 WPC 513-301, Rev C, Machinery Ventilation Diagram

Coast Guard Drawing 154B WPC 513-301, Rev -, Machinery Ventilation Diagram

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

USCGC JOSEPH GERCZAK (WPC-154) DOCKSIDE AVAILABILITY FY2026

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.

NOTE

Please be aware that this work item does not describe cleaning work for MDE and SSDG combustion air intake ducting (the large vertical trunks on main deck and the 01 deck whose inlets face aft). DO NOT perform any work on those ducts via this work item.

This work item only requires work to be performed on vent ducting that is connected

3.3 Cleaning requirements. The Contractor must clean and inspect the interior surfaces of ventilation system ducting runs and components listed in the Table 1 - MACHINERY VENTILATION DUCTS 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.

3.3.1 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 3.4 titled Operational test, post repairs .

USCGC JOSEPH GERCZAK (WPC-154) DOCKSIDE AVAILABILITY FY2026

3.3.2 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.

3.4 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.