MAFO-HOLTKAMP QUICK ACTING WATERTIGHT DOOR CHECK SHEET (CONT’D)

UPDATED: APRIL 2012

MAFO-HOLTKAMP QUICK ACTING WATERTIGHT DOOR CHECK SHEET

FOR USS

DATE:

REF: (A) PMS 1671/008 S-2, A-1

(B) NSTM 600

(C) NSTM 079 V2

(D) General Specification for Overhaul of Surface Ships (GSO 2000)

(E) Damage Control Book

NOTE: Use associated summary spreadsheet to record data on multiple doors.

IAW / YES/ NO
COMPARTMENT LOCATION:
CLOSURE NUMBER:
A. MAFO-QAWTD INSPECTION [SUMMARY COMMENT]

OPERATING GEAR

1. [OPERATING GEAR BINDING or rattling]
[OPERATING GEAR DEGRADED]
Inspect operating gear for binding while dogging and undogging the door.
  • Handle force should be approximately
  • Operating handle should snap into place when fully dogged.
  • Operation should be smooth with no noticeable binding or excessive rattling.
/ REF (A)

LABELING

2. [FITTING/ACCESS LABEL PLATE WRONG/MISSING]

Is the access closure label plate installed and correct? / REF (D) SECT 602

3. [DC CLASSIFICATION LABEL PLATE WRONG/MISSING]

Is the DC classification label plate for the door installed and correct? / REF (C)
REF (D) SECT 602
REF (E)

GASKET

4. [Gasket deteriorated]
[Paint/debris on gasket]
[Gasket gapped]
[Excessive gasket permanent set]
[Gasket joint CUT JAGGED]
Is the condition of the gasket satisfactory?
  • Gasket is soft and pliable with no cracks.
  • There is no paint, rust, or foreign matter on the gasket.
  • The gasket joint is located at the top of the door.
  • There are no gaps in the gasket joint or cut ends of gasket are jagged.
  • Any permanent set or groove in the rubber is less than 1/8 of an inch. Inspect for permanent set when the door has remained open for more than 10 minutes.
  • The gasket is firmly seated in the gasket channel (note bottom of exterior door).
  • There are no bulges in the gasket (note bottom of exterior door).
/ REF (A)
REF (A)

DOOR PANEL

5. [dEAD light COVER INOP]
  • Cover should be capable of being secured in open and closed position.
/ REF (A)
6. [Door PANEL damaged]
[Door hook missing/inop]
[Door bumper missing/degraded]
Does the door hook securely hold the door and bumper assembly to prevent door/bulkhead damage?
  • Note any missing parts or existing structural damage.
  • If equipped with automatic catch type hook, ensure hook automatically engages when the door panel is pushed against the bumper.
/ REF (A)
7. [Door access obstructed]
Is the operation and access to the door free of any obstruction?
  • Door should be able to swing a minimum of 90 degrees.
/ REF (B) Sect 2.3.

HINGE

8. [Hinge components missing/worn]
Are the hinge pins, hinge pin retainer, and self lubricating hinge washers in place without evidence of excessive wear? / REF (A)

LINKAGES

9. [CORNER LINKAGE PISTON PINS WORN/DAMAGED]
[LINKAGE COMPONENTS NOT ADEQUATELY LUBRICATED]
Are linkage piston pins damaged or worn?
  • Inspect corner linkage piston pins that contact the curved brass bars.
/ REF (A)
10. [OPERATING LINKAGE SPRING CATCH INOP]
Is the operating linkage spring catch operational?
  • Spring catch should engage the operating handle when undogged and hold it vertically upright.
/ REF (A)
11. [OPERATING LINKAGE GUIDES WORN/DAMAGED]
Are the operating linkage guides worn or damaged? / REF (A)

WEDGES

12. [SLIDING BRASS WEDGE WORN/DAMAGED]
[CRES WEDGE BACKING PLATE WORN/DAMAGED]
[WEDGE FASTENERS LOOSE]
[WEDGE COMPONENTS NOT ADEQUATELY LUBRICATED]
Inspect sliding brass wedges and CRES backing plates for damage, excessive wear, loose fasteners, and presence of lubricant. / REF (A)

DOGS

13. [DOG ROLLERS BINDING]
[DOG ROLLERS LOOSE ON STUD]
[DOG ROLLER SURFACE WORN/DIRTY]
Inspect roller dogs on door panel. Rollers should rotate freely and be held securely in place on the studs. Roller surfaces should be clean and smooth. / REF (A)

KNIFE EDGE/FRAME

14. [Paint on knife edge]
[Rust on knife edge]
Is the knife edge free of paint or rust? / REF (B) Sect 2.3.

REPAIR

15. [BEYOND S/F CAPABILITY TO REPAIR]
Are the door condition discrepancies beyond ship’s force capability to repair?
B. QAWTD TEST:
1. [DID NOT MAINTAIN WT INTEGRITY]
[DID NOTPASS CHALK TEST]
[HOLE IN DOOR PANEL]

CHALK TEST

a. Was the door proved to maintain watertight integrity? Watertight integrity is dependent on the following:
  • Satisfactory results from the PMS chalk test. [Note: For the MAFO door, do not dog the door completely for the chalk test].
  • No gaps in the door gasket.
  • No holes in the door panel or frame.
[Note: Roller dogs on Mafo-Holtkamp doors are pre-adjusted at the factory to achieve approximately 3mm gasket compression. No further adjustment should be required.] /

REF (A)

REF (B) Sect 2.3.3.5.
REMARKS:

ASSESSOR(S):

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MAFO-HOLTKAMP QUICK ACTING WATERTIGHT DOOR CHECK SHEET (CONT’D)

MAFO DOORS INTERIOR

/ LOC / LOC / LOC / LOC / LOC / LOC / LOC / LOC / LOC / LOC / LOC
OPERATING GEAR

OPERATING GEAR BINDING OR RATTLING

OPERATING GEAR DEGRADED

LABELING

FITTING/ACCESS LABEL PLATE WRONG/MISSING

DC CLASSIFICATION LABEL PLATE WRONG/MISSING
GASKET
Gasket deteriorated
Paint/debris on gasket
Gasket gapped
Excessive gasket permanent set
Gasket JOINT CUT JAGGED
DOOR PANEL
DEAD LIGHT COVER INOP
DOOR PANEL DAMAGED
DOOR HOOK MISSING/INOP
DOOR BUMPER MISSING/DEGRADED
DOOR ACCESS OBSTRUCTED
HINGE
HINGE COMPONENTS MISSING/WORN
LINKAGE
CORNER LINKAGE PISTON PINS WORN/DAMAGED
LINKAGE COMPONENTS NOT ADEQUATELY LUBRICATED
OPERATING LINKAGE SPRING CATCH INOP
OPERATING LINKAGE GUIDES WORN/DAMAGED
WEDGES
SLIDING BRASS WEDGE WORN/DAMAGED
CRES WEDGE BACKING PLATE WORN/DAMAGED
WEDGE FASTENERS LOOSE
WEDGE COMPONENTS NOT ADEQUATELY LUBRICATED
DOGS
DOG ROLLERS BINDING

DOG ROLLERS LOOSE ON STUD

DOG ROLLER SURFACE WORN/DIRTY
KNIFE EDGE/FRAME
PAINT ON KNIFE EDGE
RUST ON KNIFE EDGE
REPAIR
BEYOND S/F CAPABILITY TO REPAIR
TEST
DID NOT MAINTAIN WT INTEGRITY (ENTER APP NUMBER)
  1. FAILED CHALK TEST
  2. GAPPED GASKET
  3. HOLE IN DOOR

MAFO DOORS EXTERIOR

/ LOC / LOC / LOC / LOC / LOC / LOC / LOC / LOC / LOC / LOC / LOC
OPERATING GEAR

OPERATING GEAR BINDING OR RATTLING

OPERATING GEAR DEGRADED

LABELING

FITTING/ACCESS LABEL PLATE WRONG/MISSING

DC CLASSIFICATION LABEL PLATE WRONG/MISSING

GASKET

Gasket deteriorated
Paint/debris on gasket
Gasket gapped
Excessive gasket permanent set
Gasket JOINT CUT JAGGED

DOOR PANEL

DEAD LIGHT COVER INOP
DOOR PANEL DAMAGED
DOOR HOOK MISSING/INOP
DOOR BUMPER MISSING/DEGRADED
DOOR ACCESS OBSTRUCTED

HINGE

HINGE COMPONENTS MISSING/WORN

LINKAGE

CORNER LINKAGE PISTON PINS WORN/DAMAGED

LINKAGE COMPONENTS NOT ADEQUATELY LUBRICATED

OPERATING LINKAGE SPRING CATCH INOP

OPERATING LINKAGE GUIDES WORN/DAMAGED

WEDGES

SLIDING BRASS WEDGE WORN/DAMAGED
CRES WEDGE BACKING PLATE WORN/DAMAGED
WEDGE FASTENERS LOOSE
WEDGE COMPONENTS NOT ADEQUATELY LUBRICATED
DOGS
DOG ROLLERS BINDING

DOG ROLLERS LOOSE ON STUD

DOG ROLLER SURFACE WORN/DIRTY

KNIFE EDGE/FRAME

PAINT ON KNIFE EDGE
RUST ON KNIFE EDGE

REPAIR

BEYOND S/F CAPABILITY TO REPAIR

TEST

DID NOT MAINTAIN WT INTEGRITY (ENTER APP NUMBER)
  1. FAILED CHALK TEST
  2. GAPPED GASKET
  3. HOLE IN DOOR

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