Attachment 2 - 2024 Sanitary Tank No.2 IDIQ 688 Class.pdf

SHIP: ITEM NO: 593-11-002

COAR: PCN:

CMP:

PLANNER:

1. SCOPE:

1.1 Title: Sanitary Tank No. 2; clean and gas free

1.2 Location of Work:

1.2.1 Sanitary Tank No. 2

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 Standard Items (FY-24)

2.2 U.S. Army Corps of Engineers, Safety & Health Requirements Manual

2.3 DOL, OSHA STD 29 CFR 1915; Occupational Safety & Health Standards for Shipyard Employment

2.4 BUMED INST 6230.15 Immunization & Chemoprophylaris

2.5 LHAP No. 710-15 Rev 14, Basic Instructions for Crane Operations

3. REQUIREMENTS:

3.1 The contractor shall provide a safety and health plan as applicable to the contract work per the requirements of 2.2 prior to the start of work (i.e. hazard communication program, confine space program, respiratory protection plan, emergency response plan, etc.).

3.1.1 Submit one legible copy, in approved transferrable media, of a report with the requirements of 3.1 to the SUPERVISOR.

3.2 The contractor shall provide all cleaning equipment, holding tanks, machinery, material, lights, ventilation, transportation, and disposal service to accomplish work required in this work item. The contractor shall ensure that all equipment used, including holding tanks, does not exceed the height requirements listed in 2.5.

3.2.1 In the event of a partial or total loss of electrical power or compressed air at the dockside source outlets, the contractor shall provide standby portable diesel electric generator(s), air compressor(s), and associated equipment to maintain and restore backup shore power and integrity of all temporary utilities with equal capability of systems disrupted in the performance of his work.

3.2.2 The contractor shall provide 440 volts, 3 phase circuit breakers at dockside for his own equipment. The contractor shall provide step-down transformer/breakers and shall run all his leads from these connections. The contractor is responsible for any modifications required to hook up his leads/make up his connections.

3.2.2.1 All service leads (air, water and electricity etc.) shall be properly secured and routed in such a manner as to not present a tripping or other safety hazard.

The service leads shall be protected by chafing material as required to prevent damage.

3.2.3 The Government will provide source outlets from dockside and hook-ups for air, water and electricity. The contractor shall supply his own connectors and manifolds and run all his leads and hoses from these connections. The contractor is responsible for all modifications required to hook-up his leads/make up connections.

(I)(G) “VERIFICATION”

3.3 Clean, vent, gas free and certify the tank listed in 1.2 "Safe for Workers" and "Safe for Hot Work" in accordance with 2.3.

3.3.1 Submit one legible copy, in approved transferrable media, of certified marine chemist certification to the SUPERVISOR within 4 hours.

3.4 Accomplish the requirements of 009-09 of 2.1 for the method of cleaning, safety/health guidelines, handling, removal and disposal of residuals from the tank listed in 1.2. Include the method of boiling out (flushing) with Trisodium Phosphate (TSP). Each procedure shall include the following:

3.4.1 The Contractor shall only use Type 1 (anhydrous) TSP for the execution of this work item.

3.4.2 Type of cleaning equipment and holding tanks to be utilized during the cleaning evolution of tanks.

3.4.3 Method of ensuring safe operation of cleaning equipment.

3.4.4 Method utilized and acceptance criteria to ensure complete removal of thick sludge, grease and surface contaminants.

3.4.5 Personnel safety/training of procedure and hazardous communication prior to start of work.

3.4.6 Providing the service of a qualified safety/environmental coordinator to accomplish work required in this work item.

3.4.7 Method of providing ventilation in each tank during cleaning.

3.4.8 Method of isolating/containing work space and change area by the use of containments.

3.4.9 Method of disposal of sludge, grease, and waste water.

3.4.10 Method where all surfaces of the tank listed in 1.2 shall be cleaned free of waste and calcium deposits. Removal shall be accomplished by light scraping and power washing to a degree that enables inspection of the top layer of paint. Particular attention shall be paid to tank cover hangers, TLI hangers, fittings, tubing, tank corner welds and underside of horizontal channels.

3.4.11 Non-ionic detergent and degreasing agents shall be specified by the Contractor and meet all applicable mil-spec requirements. A final low pressure detergent wash shall be accomplished as required.

3.4.12 Contractor shall prohibit the wearing of any "yellow" colored clothing or coveralls and utilizing any "yellow" colored containers, equipment etc.

3.4.13 Contractor shall ensure current physical examinations (within one year), Including current dysentery inoculations (within 6 months) for all personnel working in the tank listed in 1.2 in accordance with 2.4.

3.4.14 Subject tank interior surfaces are defined as: "all structural members, bulkheads, piping, piping penetrations, hangers and tank cover's bottom".

(V)(G) "SLUDGE REMOVAL"

3.4.15 Visual inspection for sludge removal. Accept/reject criteria: Surfaces shall be completely free of solids, semi-solid residuals, oil, and grease film in tank surfaces.

Inspection mirror shall be used to inspect the underside of horizontal channels and hard to reach areas.

3.4.16 Ensure tank internal components are not damaged during cleaning evolutions.

3.5 Method where cleaning using TSP boil out is accomplished in the tank listed in 1.2 shall be incorporated into the Process Control Procedure (PCP).

3.5.1 Set up an emergency eye wash facility or portable eye wash station within 10 seconds walk from the mixing tank.

3.5.2 Ensure that the opening to the tank listed in 1.2 is blanked.

3.5.3 Install a steam dispersing line, or a heat circulating line inside the tank listed in 1.2.

3.5.4 Connect a drain pipe from the temporary boiling cover to approximately six inches from the bottom of the tank listed in 1.2. Connect the steam dispersing pipe to the boiling cover. Install boiling cover and cover gasket.

3.5.5 Connect a hose from the appropriate boiling cover nipple overboard to provide a vent to the tank listed in 1.2. Ensure that there are no obstructions, kinks or sharp bends in this line and that it vents properly.

3.5.6 Check and secure all openings where cleaning operations are to be accomplished in order to minimize contamination to other areas.

(I) "TSP VERIFICATION"

3.5.7 Fill a pre-heating tank located dockside with 2,000 gallons of clean, fresh water.

Add 300 pounds of TSP and 18 gallons of non-ionic detergent. Heat the solution between 140 degrees F to 160 degrees F. The Contractor shall ensure that only Type 1 (Anhydrous) TSP has been used.

3.5.7.1 Do not add TSP to hot water. Violent reactions occur when TSP is added to hot water.

3.5.7.2 Ensure all personnel entering the area have proper Personal Protective Equipment (PPE).

3.5.7.3 Submit one legible copy, in approved transferrable media, of a report listing the results of 3.5.7 to the SUPERVISOR.

3.5.8 Pump the heated solution from the dockside tank through the appropriate nipple, using a pump suitable for alkalis.

3.5.9 Continue filling with clean fresh water heated to 140 degrees F to 160 degrees F until the tank listed in 1.2 is filled to within six inches of the top of the tank. Determine the water level with a dipstick.

3.5.10 Connect heating line to the one-inch boiling cover nipple.

3.5.11 Open the Heat supply valve in small increments until a sufficient amount of heat is entering the tank listed in 1.2 to heat and circulate the water. Continue to feed heat into the tank, keeping the solution between 140 degrees F to 160 degrees F for a minimum of 16 hours.

3.5.12 Monitor the water level in the tank listed in 1.2 with a dipstick or floater (remove the pipe cap as necessary). Maintain a level within six inches of the tank top. If the water level rises to less than six inches from the tank top, lower it by pumping out some of the solution. If the water level drops to more than six inches from the tank top, secure operations and check for leaks. After correcting any leaks, readjust the water level in the tank to its proper level.

3.5.13 At the termination of the boiling period, pump down the tank listed in 1.2 using a pump suitable for alkalis. Discharge the contents into the spent liquid holding tank.

3.5.13.1 Accomplish pH testing of the Trisodium Phosphate Anhydrous waste as directed by the SUPERVISOR. Acceptable pH level: less than 12.5.

3.5.13.2 Submit one legible copy, in approved transferrable media, of a report listing the results of 3.5.13.1 to the SUPERVISOR.

3.5.14 Fill the tank listed in 1.2 to within six inches from the tank top with clean, fresh water heated to 140 degrees F to 160 degrees F.

3.5.15 Pump down the tank listed in 1.2 to low suction.

3.5.16 Remove all unnecessary hoses and vent tank. Allow tank to cool down for a minimum of 12 hours.

3.5.17 Accomplish a low pressure wash down of the tank listed in 1.2 to remove remaining TSP / detergent solution.

3.6 Upon completion of the requirements of 3.5, completely pump down tank listed in 1.2 to a dry condition.

(I)(G) "CLEANLINESS"

3.7 Inspect tank listed in 1.2 for cleanliness. Accept/reject criteria: Cleanliness is defined as no visible or detectable by touch of oil, grease, debris or any surface contaminants.

3.7.1 Notify the SUPERVISOR for surface cleanliness and profile inspection of tank interior surfaces. Advance notice of 24 hours is required for inspection notification.

3.7.2 Inspection mirror shall be used to inspect the underside of horizontal channels and hard to reach areas.

3.7.3 Submit one legible copy, in approved transferrable media, of a report with the results of 3.6 to the SUPERVISOR within 24 hours of checkpoint completion.

3.8 Accomplish handling and commercial disposal of tank cleaning residuals and a total of 6,000 gallons of waste water, in accordance with all applicable Federal, state, and local regulations, laws, codes ordinances, and regulations, including the obtaining of licenses and permits.

3.8.1 Accomplish the pump down of pier side waste and transport waste and holding tanks to a secondary location as designated by the SUPERVISOR.

3.8.2 Provide and maintain temporary storage of tank cleaning residuals from the tank listed in 1.2 while waiting for waste water sample laboratory results for ninety (90) days.

Ensure proper secondary containment of liquid waste holding tanks as necessary.

(I)(G) “WASTE SAMPLING”

3.8.3 Accomplish the sampling of waste water and solid sludge residuals as directed by PHNSY Code 106.3. Sample containers will be provided by PHNSY Code 106.3.

3.8.4 While awaiting disposal, the contractor shall inspect the generated waste tanks, drums, and secondary containments daily for discrepancies for ninety (90) days.

3.8.5 Upon receipt of lab analyses, contractors shall procure intermediate bulk container (IBC) totes or similar and process the shipment of all generated waste to a mainland facility for final disposition. There are currently no known local facilities accepting waste generated per this work item.

3.9 Upon completion of Work Item in its entirety, submit one legible copy, in approved transferrable media, of a report notifying the GOVERNMENT of job completion to the SUPERVISOR.

3.9.1 The Contractor shall certify the work has been completed, all checkpoints have been accomplished, the requirements of all applicable Standard Items have been met, and all reports have been submitted, received, and answered by the SUPERVISOR.

4. NOTES:

4.1 Contact PHNSY & IMF Code 106.3 for direction and guidance in the handling and disposal of tank cleaning residuals.

4.2 Work may be accomplished in Pearl Harbor Naval Shipyard, Industrial Control Area (CIA).

Contractor personnel must be U.S. Citizens and have successfully completed security access determination IAW NAVSEAINST 5510.2B.

4.4 Ship's Force will be responsible for the initial chlorination, pump down / blow down and opening of the tank listed in 1.2 prior to the start of work.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

5.3 KITTED MATERIAL:

1. None.