0105A_REV_Preservation_of_House_Rev_1.docx

USNS ROBERT E. PEARY

(T-AKE 5)

HULL STRUCTURE N32205-18-R-4250

11 November 2017 ITEM NO. 0105A Category “A” PM1CM2/CMF/FXP

PRESERVATION OF HOUSE

1.0 ABSTRACT

This item describes the requirement to provide scaffolding and painters for the preservation of the entire house structure including all exterior landing platforms, handrails, brackets, piping, ships stack, and other appurtenances.

2.0 REFERENCES

2.1 Steel Structures Painting Council, Good Painting Practice, Volume 1, Fourth Edition.

2.2 Steel Structures Painting Council, System and Specifications, Volume 2, Eight Edition.

2.3 SSPC SP11, Power Cleaning to Bare Metal

3.0 ITEM LOCATION/DESCRIPTION

3.1 Location: House; Frame 58 to Frame 78; Main Deck (Port and Starboard) and 02 Level (forward of house) to the top of 08 Level

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES

4.1 Government Furnished Equipment: None

4.2 Government Furnished Material

4.2.1 Amercoat 240 (Red Oxide)

4.2.2 Amercoat 240 (Haze Gray)

4.2.3 Amercoat T10 Solvent

4.2.4 Amercoat 65 Solvent

4.2.5 Amershield (Haze Gray)

4.3 Government Furnished Services

4.3.1 PPG Paint Representative

5.0 NOTES

5.1 The Contractor and all Subcontractors, regardless of tier, must consult the General Technical Requirements (GTRs) to determine applicability to this work item. In performance of this work item, the Contractor and all Subcontractors must comply with the requirements of all applicable GTRs.

5.2 The Contractor and all Subcontractors, regardless of tier, are advised to review other work items under this contract to determine their affect on the work required under this work item.

5.3 This ship contains High Voltage (HV) electrical systems. The Contractor and all Subcontractors shall obey all posted and verbal instructions regarding safety and exclusion from High Voltage areas. At no time shall a Contractor or Subcontractor approach, work on, or enter a High Voltage area without proper authorization.

5.4 THE T-AKE CLASS ELECTRICAL COLOR CODING DOES NOT FOLLOW CONSISTENT COLOR SCHEME. THE SHIP IS KNOWN TO HAVE CURRENT CARRYING CONDUCTORS COLORED GREEN, BLUE, BLACK AND WHITE. THE CONTRACTOR SHALL ASSUME ALL ELECTRICAL CABLES ARE HOT UNTIL TESTED OTHERWISE. THE CONTRACTOR SHALL TEST ELECTRICAL CABLES TO ENSURE THEY ARE DEAD PRIOR TO WORKING ON THE ITEM.

6.0 QUALITY ASSURANCE REQUIREMENTS: None Additional

7.0 STATEMENT OF WORK REQUIRED

7.1 Preservation shall include the entire house structure including all exterior ladder platforms, handrails, brackets, piping, ships stack and other appurtenances.

7.2 Contractor shall provide all scaffolding, crane services, bucket lifts, etc necessary to perform the following work.

7.3 The Contractor shall erect scaffolding from the Main Deck on the Port and Starboard side, and the 02 Level forward of the house, where necessary, to the top of the 08 Level.

7.4 The entire house shall be water washed with fresh water using 2,500 to 3,000 PSIG to remove all salt water contamination. Upon completion of water washing a Chloride test shall be performed on a sample area per the PPG Paint Representatives instructions.

7.5 Contractor shall mechanically clean all areas of surface degradation to a SSPC SP11 profile, using Reference 2.3 as guidance. For bidding purposes, assume 30% of house surface area.

7.6 The surfaces shall be inspected and approved by the PPG Paint Representative and the MSCREP prior to the application of each coat of primer or paint.

7.7 Coating Application

7.7.1 No coating shall be applied until the PPG Paint Representative and MSCREP have approved the coating curing time and surface preparation.

7.7.2 All coatings shall be applied in accordance with the manufacturer’s recommendations. This includes temperature, humidity, and cure time limitations.

7.7.3 Primer: Apply the following primer to power tool cleaned surfaces.

7.7.3.1 One (1) coat of Amercoat 240, (Red Oxide) at 5-6 mils DFT.

7.7.3.2 One (1) coat of Amercoat 240 (Haze Gray) at 5-6 mils DFT.

7.7.4 Stripe coats shall be applied to all weldments, crevices, corners, edge treads, pitted surfaces, and other areas not conducive to proper coverage. Stripe coats shall extend a minimum of 1” from each edge of the area being stripe coated.

7.7.4.1 One (1) stripe coat “using a brush” of Amercoat 240 (Red Oxide), at 5-6 mils DFT.

7.7.4.2 Use Amercoat T10 solvent only.

7.7.5 Topcoat: Apply one (1) full coat of Amershield (Haze Gray), 3-4 mils DFT once all surfaces have been prepared.

7.7.5.1 Use Amercoat 65 solvent only.

7.8 Manufacturer’s Representative

7.8.1 A Paint Manufacturer’s Technical Representative will be in attendance, on the government’s account, to observe the surface preparation and coating application and to advise the MSCREP of Contractor’s efforts.

7.9 GENERAL REQUIREMENTS: None Additional

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