612-11-001.pdf

PRELIMINARY SPECIFICATION

SHIP: BOUYANCY ASSIST MODULE (RMC 2) ITEM NO: 612-11-001

COAR: 00 PCN: None

CMP: NONE

PLANNER: UPCHURCH, IKAIKA

SSP: HRMC-HM&E-19-0008 1 of 2 ITEM NO: 612-11-001

1. SCOPE:

1.1 Title: Handrails Assemblies, Stanchions, Arch Stairs; replace

1.2 Location of Work:

1.2.1 Throughout

1.3 Identification:

1.3.1 84-Foot BAM

1.3.2 66-Foot BAM

2. REFERENCES:

2.1 Standard Items, (FY-20)

2.2 600-5733715, Catamaran Ladders and Handrails

2.3 804-5184155 Rev A, Liferails, Lifelines, & Awning Stanchions (AL & CRES) Details L/M

3. REQUIREMENTS:

3.1 Replace with new, all hand rail assemblies, including associated foundations, stanchions and chains, and all arch way stairs, for BAMs listed in 1.3, located in 1.2, in accordance with 2.3 and using for 2.2 guidance.

3.1.1 Offset new hand rail assemblies one foot from outboard edge for those located on mid-tank weather deck.

3.1.1.1 Chip and grind surfaces flush and smooth in way of

removals.

3.1.1.2 Template new work from removed hand rail assembly, arch stairs, and existing shipboard conditions.

3.2 Crop out and replace a total of 14 flood light stanchions for BAMs listed 1.3, located in 1.2, and as designated by the SUPERVISOR.

3.2.1 Replace a minimum of 6" of each bottom flood light stanchion section with 1-1/2" NPS.

3.2.1.1 Stanchion base to deck structure welds shall be 3/8"

partial penetration fillet welds.

3.3 Accomplish the requirements of 009-12 of 2.1, including Table 3, Column A, Lines One through 7.

(V)(G) "WEIGHT TEST"

3.4 Accomplish the requirements of Test Notes, T1, paragraphs A and B of

2.3 Criteria: No signs of deformation, cracks, or damage allowed.

(V)(G) "OPERATIONAL TEST"

3.5 Accomplish an operational test of each new hand rail chain to verify

SHIP: BOUYANCY ASSIST MODULE (RMC 2)

SSP: HRMC-HM&E-19-0008 2 of 2 ITEM NO: 612-11-001 design function, attachments and general uniform appearance. Allowable sag in chain: one and 1/4 inch sag per One linear foot of chain, maximum.

3.6 Accomplish the requirements of 009-32 of 2.1 for the new and disturbed surfaces.

4. NOTES:

4.1 None

5. GOVERNMENT FURNISHED MATERIAL(GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

5.3 KITTED MATERIAL:

1. None.