SOW Sewage.pdf

USCGC GREENBRIER (WLR 75501)

USCG 130 BARGE (13075)

SPECIFICATION FOR DOCKSIDE REPAIRS

FY2025

Developed By: Albert M Hall

(Revision-0, 18 February 2025)

USCGC GREENBRIER (WLR-75F) DOCKSIDE AVAILABILITY FY2025

88 (Rev-0)

59302_0313_FLT

REC_59301_FLT_75’ WLR (‘F’ Class: Hulls 75500, 75501) (1209)

WORK ITEM 18: Sewage Holding Tanks, Clean and Inspect

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to clean and inspect the Red Fox Marine Sanitation System Model RF-500-FP-CBPN-D:

TYPE OF TANK LOCATION CAPACITY -

95% (Gallons)

LOW SUCTION (Gallons)

Sewage Aeration tank Aft hold 165 20

Filter Tank Aft Hold 100 10

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 75F WLR 070-001, Rev 2, Booklet of General Plans

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements Coast Guard Technical Publication 3174, Manufacturer’s Instruction Book – SWBS Group(s)

261-625, Marine Sanitation Device (MSD) - Model RF-500-FP-CBPN-D

OTHER REFERENCES

ASTM International (ASTM) D1330, 2015, Standard Specification for Rubber Sheet Gaskets

89 (Rev-0)

3. REQUIREMENTS

3.1 General. The Contractor shall refer to Coast Guard Technical Publication 3174, Manufacturer’s Instruction Book – SWBS Group(s) 261-625, Marine Sanitation Device (MSD) - Model RF-500-FP- CBPN-D for guidance.

3.1.1 CIR.

None.

3.1.2 Tech Rep. The Contractor shall provide the services of a certified Tech Rep, who is familiar with the Red Fox Marine Sanitation System Model RF-500-FP-CBPN-D to accomplish the following tasks on site:

Provide manufacturer's proprietary information, software, and tools pertinent to the equipment/system.

Assist with proper repair methods, and ensure compliance with manufacturer's procedures and standards during disassembly, inspection, repair, modification, calibration, and reassembly of the equipment/system.

3.1.2.1 Ensure the Tech Rep is a Certified Representative of Red Fox Environmental Services company.

3.1.2.2 Submit the Tech Rep’s name and résumé to the COR at the Arrival Conference.

3.1.3 Protective measures - general. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces in the vicinity of the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

3.1.3.2 Plug all inlet and outlet piping in the tank(s) to prevent contaminants from entering. Use plugs with an attached lanyard, ring or other system that will ensure plugs are not lost in the pipe openings.

Maintain a plug accountability log outside the tank to prevent any of the installed temporary plugs from being lost inside the tank or forgotten inside at tank closure. Submit this log to the Coast Guard Inspector after completion of work item.

3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following:

Piping.

Pump(s).

3.1.5 Operational test - initial. Prior to commencement of work, the Contractor shall witness an operational pre-test (by Coast Guard personnel) of the system, to demonstrate existing operational condition. Submit a CFR.

3.2 Cleaning and inspection requirements. The Contractor shall do the following for the tank(s) listed in paragraph 1.1 (Intent):

3.2.1 Content removal. Remove and dispose of all contents, fluids, and/or residues in accordance with all applicable Federal, state, and local regulations

90 (Rev-0)

3.2.2 Cleaning requirements. Remove access cover(s). Clean all tank structure’s interior surfaces free of all foreign materials, sediment, and sludge. Remove all persistent residues, taking care not to damage the tank coating system. Remove cleaning media and residues continuously from the tank during the washing process. Remove any residual wash media and wipe up residual moisture with clean lint-free cloths. Collect, contain, and dispose of all wash media, residues, and cleaning materials in accordance with all Federal, state, and local regulations. Clean all tank vent lines. Remove and clean the eductors and level switches inside of the tank(s). Reinstall the eductors and level switches upon completion of tank cleaning. Use new gaskets and o-rings to install/reinstall all removed/disturbed components.

3.2.3 Inspection. Visually inspect all interior surfaces, including, but not limited to bulkheads, floor and overhead plating, structural members, manhole cover surfaces, fasteners and gasket seating surfaces.

Inspect the tank aeration pump. Submit a CFR including the following, as applicable:

Tank structural condition.

Inaccessible areas.

Tank level indicator (TLI), vacuum and/or float switch condition.

Suction and discharge piping and vent line condition.

Fastener material and condition.

Condition of Aeration Pump

3.2.4 Control Panel Assembly. Open and vacuum clean the control panel assembly. Inspect the control panel assembly for any indications of overheating or loose wiring or connections. Submit a CFR

3.3 Closing. The Contractor shall notify the COR at least 24 hours prior to closing the tank(s). After satisfactory inspection by the Coast Guard Inspector, and completion of all authorized repairs, close the access cover(s) with new gasket material conforming to ASTM D1330. The Contractor shall renew all missing or damaged fasteners.

3.4 Operational test – post repairs. After completion of work, the Contractor shall accomplish the following in the presence of the Coast Guard Inspector, and submit a CFR:

3.4.1 Adjust the set point on each of the vacuum pressure switches (as applicable) to the set points noted previously.

3.4.2 Verify operation of the low and high level switches/alarms and that the pumps cycle from lead to lag status during operation. Demonstrate proper operation of tank TLIs to prove satisfactory operating condition.

3.4.3 Upon completion of testing and, in the presence of the Coast Guard Inspector, pump tank(s) to the limit of the ship’s installed pumps.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

91 (Rev-0)

4. NOTES

4.1 Red Fox Environmental Services Company

1513 B Chemin Agreable Rd.

Youngsville, LA., 70592 337-856-3709 www.redfoxenviro.com