GSO_Hab_Excerpts.pdf

FOR OFFICIAL USE ONLY S9AA0-AB-GOS-010

Apr 2016 Edition

1 Section 637

FOR OFFICIAL USE ONLY

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

GENERAL SPECIFICATIONS FOR OVERHAUL

OF SURFACE SHIPS (GSO)

DEPARTMENT OF THE NAVY

NAVAL SEA SYSTEMS COMMAND

SECTION 637

HABITABILITY SHEATHING

637a. Scope This section contains requirements for types, materials, and installation of sanitary, protective, and habitability sheathing on bulkheads and overheads.

637b. General When work is authorized by the Supervisor, existing sheathing systems which are not in accordance with this specification shall be repaired in accordance with existing system construction. New sheathing systems shall be installed which meet the requirements of paragraphs 637c. and 637d. See Section 631 for color coordination.

637c. Bulkhead Sheathing Systems Bulkhead sheathing systems shall be in accordance with drawing, NAVSEA No. 804-5000991.

637d. Overhead Sheathing Systems Overhead sheathing systems shall be in accordance with drawing, NAVSEA No. 804-5000994.

637e. Installation Requirements Bulkhead Sheathing - When bulkhead sheathing is specified, it shall be located on all of the compartment boundaries, except bulkhead sheathing may be omitted on the unstiffened side of structural bulkheads and shall not be installed on smooth joiner bulkheads within the compartment unless acoustic or thermal insulation is required on the structural or joiner bulkheads or as otherwise required herein. The type of bulkhead sheathing to be installed in each space shall be as specified on drawing, NAVSEA No. 804-5000991. The installation of bulkhead sheathing shall be designed to minimize reduction of compartment volume. Unless otherwise specified, bulkhead sheathing shall be installed perpendicular to the base line. Voids 12 inches and deeper between bulkhead sheathing and vertical boundaries shall be utilized for built-in lockers and stowage, where specified. Bulkhead sheathing panels shall extend from 6 inches above the deck to the level of the overhead sheathing.

Except as noted below, bulkhead sheathing shall be installed so that the back side of the furring is flush with the face of any vertical or horizontal structural interference which projects 6 inches or less from the compartment outer envelope formed by the non-structural bulkheads, structural bulkheads or shell plating. Individual vertical structural interferences which extend into the compartment more than 6 inches from the compartment outer envelope shall be boxed-in so as to be covered with sheathing. Where adjacent vertical structural interferences are located closer than 48 inches, the back side of the furring over the interferences and between the interferences shall be flush with the face of the interferences.

Where a large area of the vertical boundary is located behind furniture, such as berths with back panels, lockers, and wardrobes which are less than 6 inches from the vertical boundary, sheathing shall be omitted behind the furniture. The adjacent sheathing shall be fitted neatly and tightly around the large areas of furniture, doors, hatches, windows, and other openings.

Where acoustic absorptive treatment installed on bulkheads is covered with sheathing, the sheathing shall be perforated with 3/16-inch diameter holes on 3/8-inch centers, staggered.

Overhead Sheathing - Overhead sheathing shall be installed in such a manner that the entire overhead structure inside the space extending inward from the bulkhead sheathing is covered by the overhead sheathing, except where otherwise specified herein.

The type of overhead sheathing to be installed in each space shall be as specified on drawing, NAVSEA No.

804-5000994.

The height of overhead sheathing shall not exceed 8 feet and shall not be less than 6 feet 5 inches. Local projections such as deck beams, deck beam brackets, and other systems that extend below the overhead sheathing level shall be boxed in no lower than 6 feet 3 inches rather than lowering the basic level of the overhead sheathing.

2 Section 637

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

The arrangement of overhead sheathing gridwork shall be coordinated with lighting fixtures and ventilation terminals such that the arrangement of these items are optimum in relation to compartment configuration and arrangement.

Movie screens installed in the overhead shall be recessed above the overhead sheathing level so as to be flush with the overhead sheathing.

Overhead sheathing panels shall be capable of being readily removed and reinstalled repetitively from below without special tools and without deterioration of panels, trim, gridwork, or fasteners.

Where acoustic absorptive treatment is installed on overhead surfaces, overhead sheathing either shall not be installed or shall be perforated with 3/16-inch diameter holes on 3/8-inch centers, staggered.

637f. Special Installation Requirements Items such as catches, hinges, lighting fixtures, lighting switches, electrical junction boxes, ventilation terminals, speakers, and electrical receptacles shall be recessed so as to be flush with the sheathing. Unarmored cable shall be installed behind the sheathing.

Sheathing panels shall be demountable and replaceable without damage to the panels, retention trim strips, or furring members. Each sheathing panel shall be demountable without disturbing adjacent panels.

Damage control fittings labeled ZEBRA or CIRCLE WILLIAM, gages, fire stations, casualty power terminals and overboard discharge connections shall be boxed around so as to be visible. Other damage control fittings for which immediate visibility is not required, such as valves and test fittings, shall be located behind hinged access panels which can be opened by one man within 5 seconds.

Overhead sheathing systems shall be designed for unimpeded operation of valve handle extensions and similar operating devices protruding through the sheathing.

All of the above accessibility requirements shall be met without using special tools or complicated sequences of operations. Label plates shall be provided on all bulkhead access panels to indicate the system or equipment located behind the panel.

Sheathing installed in way of equipment which requires access for inspection, operation, or routine maintenance shall be provided with hinged access panels with quick acting flush catches. Label plates shall be provided on the access panels or gridwork indicating the specific equipment behind the sheathing panel. Label plates shall be as specified in Sect. 602. Access openings shall be large enough to insure adequate clearance to operate, and provide routine maintenance of, fittings. Access panel sizes shall be standardized to the maximum extent practical. Hinged access panels in overhead sheathing shall not weigh over 40 pounds. Lift-out panels shall not weigh over 20 pounds. Bulkhead access panels shall be hinged along the vertical edges.

Sheathing systems shall be designed to permit the spraying of insecticides behind the sheathing. For bulkhead sheathing, a line of holes 1/8 inch in diameter on 24-inch centers, or equal, shall be provided at or near the top of the bulkhead sheathing panels suitable for injection of insecticides with a needle punch sprayer.

In addition, access for spraying with a multiple spray nozzle shall be provided at approximately midheight of the panels on 8-foot centers, either via access panels or 1-inch diameter holes fitted with covers.

Distributive systems such as piping, ducts and wiring shall be located between the structure behind the sheathing and the sheathing panels. Where these systems would protrude beyond the sheathing, they shall be boxed-in.

Where structure, distributive systems, or damage control fittings are required to be boxed-in or boxed-around, the same material as the sheathing shall be used. Where painting is permitted, any exposed system shall be painted to match the surrounding sheathing, except for color coding of system specified in Section 631.

Items (including any stowage fittings and items to be stowed) that weigh less than 5 pounds may be attached directly to types 1, 3, C, or D sheathing panels. Items that weigh between 5 and 20 pounds can be supported by the furring. Heavier items shall be supported independently of the sheathing furring and shall not inhibit the ready removal of any panel.

Portlight casing shall be bonderized steel, or CRES material, finished to match the bulkhead sheathing. Casing flange shall be fitted over the face of the sheathing. The casing shall be fitted behind the fixed portlight frame with double gasket such that the assembly forms an integral unit.

Electrical shock protective sheathing shall be installed in way of wooden workbenches. Sheathing shall cover the bulkhead area from 6 inches behind the workbench to 36 inches from each end of the workbench and shall extend 60 inches above the finished deck. Sheathing above the workbench shall cover the bulkhead from 6 inches below the working surface to 60 inches above the finished deck. Sheathing shall completely cover all metal surfaces on the bulkhead.

3 Section 637

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

637g. Special Space Requirements Foodservice Spaces - The lateral extent of type 3 sheathing in way of heat-producing equipment shall be equal to the projected width of the equipment, plus 12 inches on either side of the equipment. In way of heat producing equipment in foodservice spaces, the bulkhead sheathing shall extend from the bottom of the ventilation hood to the top of the equipment. The sheathing may be omitted where the ventilation hood provides equivalent closure. In way of steam-jacketed kettles, the sheathing shall extend from the bottom of the ventilation hood to the height of the deck coaming.

Dental X-ray Rooms - Dental x-ray rooms with type 4 bulkhead and type E overhead sheathing shall have all space boundaries (deck overhead, and vertical boundaries) covered with radiation barrier lead sheathing. This barrier shall be equivalent to sheet lead, 1/32 inch thick. An additional lead sheet thickness of 1/64 inch or steel thickness of 1/8 inch shall be provided where boundaries of the compartment enclosure are less than 1/4-inch thick steel, where x-ray film is stored in an adjacent room without individual lead protection, or where personnel in adjoining manned spaces will be a distance of 6 feet or less from the x-ray machine. The operator position from the x-ray machine shall be protected by a bulkhead sheathed with 1/32 inch thick lead. Controls of the machine shall be so located that the operator must remain behind the protective bulkhead while operating the controls. The protective bulkhead of the operator position shall be fitted with a glass viewing port.

Medical X-ray Rooms. - Medical x-ray rooms with type 4 bulkhead and type E overhead sheathing shall have all space boundaries (deck, overhead, and vertical boundaries) sheathed, with 1/16 inch thick sheet lead, except in way of steel boundary plating at least 0.69-inch thick. A bulkhead shielded with 1/16 inch thick lead, with an x-ray protective lead glass viewing port not less than 12 inches square and 1/4 inch thick, shall be provided between the controls and the x-ray machine for protection of the operator.

NDT X-ray Rooms. - NDT x-ray rooms with type 4 bulkhead and type E overhead sheathing shall have all space boundaries (deck, overhead, and vertical boundaries) sheathed, with 3/16 inch thick lead sheet.

637h. Insulation Protective Sheathing Where thermal insulation is installed on structure behind fixtures such as lavatories, service sinks, urinals, or waterclosets, it shall be covered with type 3 bulkhead sheathing. The sheathing shall extend from the finished deck to at least 24 inches above the fixture and 12 inches on each side of the fixture. Where insulation is installed on vertical surfaces in spaces with portable furniture or stores handling, the insulation shall be covered utilizing type l bulkhead sheathing with class l or class 2 finish material in habitability areas and type 3 bulkhead sheathing in other areas except in laundry, stowage, and machinery spaces where sheathing shall be No. 18 galvanized sheet steel installed similar to type 1 bulkhead sheathing when specified on the arrangement drawing.

1 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

GENERAL SPECIFICATIONS FOR OVERHAUL

OF SURFACE SHIPS (GSO)

SECTION 640

GENERAL REQUIREMENTS FOR LIVING, MESSING, AND RECREATION SPACES

640a. Scope This section contains the general requirements for Officer, CPO and crew berthing, messing, recreation, and sanitary spaces, the detail requirements of which are specified in Sections 641 through 644.

640b. General All dining facilities shall be designed to support recreation (including movies) and training, as well as their primary dining function.

Dining facility access shall be designed to permit forming of mess lines within the interior of the ship allowing proper movement through serving, seating, and disposition of the soiled mess gear. The access shall preclude the movement of men in a direction counter to the flow from the food serving stations and from passing through visible garbage disposal areas.

Ship's habitability shall be as specified in OPNAVINST 9640.1A, which invokes the standards prescribed in the Habitability Design Criteria Manual, T9640-AB-DDT-010/HAB. Approval authority for deviations from these standards is assigned by this instruction to Combined Fleet Forces Command.

640c. Arrangement and Clearances The arrangement of furniture and other items of outfit and equipment shall optimize such environmental and human factors as individual privacy, reduction of noise, traffic, and the propagation of odors. The arrangement shall consider ancillary as well as basic purposes served by furniture and other equipment. Particular attention shall be given to access to furniture to ensure the full and proper use of drawers, lockers, and writing surfaces. Articles of equipment such as coat hooks, light switches, and ash receivers shall be located to ensure the maximum use of the article and convenience to the user.

The furniture and fixture arrangement shall be coordinated with the ventilation, piping and wiring installation to create an orderly appearance without compromising functional efficiency and to optimize interior space arrangements including net walking area and overhead clearances.

Berths shall be oriented primarily fore-and-aft; however, athwartships berthing may be used where the compartment arrangement is improved.

Berth tiers and personal stowage lockers shall, where practicable, be arranged to form cubicles of six or fewer accommodations per cubicle. No more than two cubicles shall be arranged in tandem without a passage at one end.

In addition, the cubicles shall, to the extent practicable, be provided with end partitions to prevent unnecessary personnel traffic through the cubicles. Heads of berths shall be located away from the open cubicle end. Ten percent of berth tiers within crew and CPO berthing spaces shall be provided with berths that can accommodate an

80-inch mattress, where space permits. All other fabrication and construction details of the long berth tiers shall be consistent with the referenced drawings.

The unobstructed passage width within berthing cubicles and secondary passages, shall be a minimum of 24 inches, except where otherwise specified.

The unobstructed width of passages serving primary accesses with heavy personnel traffic shall be a minimum of 36 inches.

Berth tiers shall have a maximum of three berths per tier except in troop spaces on amphibious ships four high berth tiers may be installed.

Unless otherwise specified, the unobstructed vertical clearance above the mattress top shall be a minimum of

18 inches. The mattress on the bottom berth shall be not less than 7 inches above the deck.

The bottom of lockers, with legs, shall be a minimum of 6 inches above the deck. Where it is not possible to obtain a 6 inch clearance, the lockers shall be set on a 2 inch watertight coaming, unless the locker drawing indicates a different height of coaming. These requirements shall not apply to the bottom locker under crew berths, which shall be capable of being triced up.

2 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

Lockers shall be located so they will permit free circulation of air and provide free access through and within compartments. Insofar as practicable, they shall be utilized as a division between recreation and sleeping areas, and between ladders and passages and sleeping areas within berthing spaces.

Dining accommodations - Enlisted and troop dining facilities shall provide 21 inches minimum table space per seat.

Officer and CPO dining facilities shall provide 24 inches minimum table space per seat.

The following unobstructed clearances with the dining areas shall be provided:

a. Primary passages: No less than 36 inches.

b. Secondary passages: No less than 30 inches.

c. Back-to-back clearances: Between diners seated at adjacent tables and between the backs of seated diners and adjacent bulkheads, no less than 15 inches with a design goal of 24."

640d. Equipment and Installation Except as otherwise specified, furniture shall be of aluminum alloy and constructed in accordance with Mil.

Spec. MIL-F-902 and applicable drawings. Detail construction of all articles of furniture and equipment shall comply with the referenced specifications and drawings, as applicable. Materials of furniture and equipment shall conform to MIL-STD-1623 and NAVSEA Habitability Materials List.

Nonstandard furniture or built-in furniture may be used only where a more satisfactory arrangement can be obtained. On ships with nonstandard furniture, stowage shall be at least equal to that of standard items. Built-in furniture shall be in general accordance with Mil. Spec. MIL-F-902 and shall, whenever practicable, be fitted into corners and around stanchions and frames so that reduction of space volume is kept to a minimum.

Commercial equivalents to Navy standard furniture and equipment may be substituted if listed in publication, U. S. Navy Shipboard Furniture Catalog, NAVSEA TECHNICAL MANUAL S9600-AD-GTP-010, found at the

NSWCCD website: https://90machinery.navsses.navy.mil/habitability/, or in comformance with the Instructions and General Information therein.

Means shall be provided for securing all portable furniture in the designated service and stowage locations, except that chairs and ironing boards need be secured only in the stowed location.

Hooks, racks, and similar articles shall not be attached to the panels of aluminum furniture if other locations are practicable. Where these articles must be attached to aluminum furniture, aluminum backing plates of sufficient size and thickness shall be fitted to provide rigidity and to prevent distortion of furniture. The fastenings shall not present any sharp edges or irregularities that could damage clothing.

Furniture and equipment shall not block access to damage control fittings or to hull, mechanical or electrical distributive systems that require periodic inspection and maintenance. Where berth tiers are installed over manholes or other deck fittings, the bottom berth shall be omitted or shall be made easily removable. Berth tier partitions installed in way of valves, operating gear or test fittings shall be provided with cutouts or quick-acting access panels.

Suitable reinforcement shall be provided where cutouts are installed. Label plates, as specified in Section 602, shall be mounted where readily visible to indicate hidden fittings.

Large articles of furniture shall be supported on the bottom by subbases and secured at the top and sides by clips. This furniture shall not be rigidly attached to nonstructural bulkheads unless the bulkhead is adequately reinforced. Details of the subbases and clips shall comply with drawing, NAVSHIPS No. S3306-921770, unless the furniture drawing indicates a different subbase. Furniture shall be provided with deflection fittings where attached to decks subject to blast of 5-inch guns and larger, guided missiles, or to aircraft landings, or vehicular traffic.

Deflection fittings shall comply with drawing, NAVSHIPS No. S3306-921570. Connections with sliding fit shall be tight enough to prevent rattle.

To provide additional stowage area in officer, CPO, and SNCO berthing spaces, a one-inch coaming shall be fitted on the upper edge of lockers or modular furniture where there is 15 inches or more clearance over the lockers or modular furniture. In addition, a portable lee rail shall be fitted 6 inches above the top of the unit. The material shall be the same as the units to which fitted. Where lockers or modular units are adjacent, the coaming and lee rail shall be fitted on only the outer edge and exposed ends of any one assembly of units.

Key cabinets, safes, and safe lockers shall be installed permanently, by either peening over or welding the nuts of the securing bolts to prevent their removal.

The number of mess seats shall not be reduced from that specified by the Supervisor.

3 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

A motion picture screen, as specified in Section 433, shall be provided in each wardroom, CPO messroom, and crew messroom and located for optimum viewing.

A physical fitness room shall be provided on ships with 200 or more accommodations.

The arrangement of equipment, particularly the position of the chinning bar, shall be coordinated with the hull, mechanical and electrical distributive systems, and other interferences to ensure adequate clearances in way of exercise stations.

An open area, free of obstructions, shall be provided in or adjacent to the physical fitness room for warm-up exercises.

Operating and instruction plates shall be provided for exercise equipment.

Physical fitness equipment with pulley systems shall be provided with high-stress flexible steel aircraft cable.

Metal frames shall be corrosion-resistant steel or shall have a durable, baked enamel finish.

Means shall be provided for securing equipment to preclude personnel injury from shifting apparatus.

Equipment shall not be supported from non-structural bulkheads unless the bulkhead is adequately reinforced.

Ships without a physical fitness room shall be provided with fittings for mounting and using a situp board, and a multi-exercise machine, either deck or bulkhead supported, in a compartment or open area where its use will not interfere with other ship functions.

Capacity of messrooms shall be as specified in OPNAVINST 9640.1. Messrooms, other than those associated with weapon assembly, shall be fitted with fixed mess tables in accordance with drawing, NAVSHIPS No.

805-4623536. Messrooms associated with weapons assembly shall be fitted with portable tables in accordance with drawing, NAVSHIPS No. 804-4661738 for six-man tables and drawing, NAVSHIPS No. 804-4661739 for four-man tables. Stacking chairs shall be in accordance with Mil. Spec. MIL-C-24495. Stowage for portable mess tables and stacking chairs shall be provided in the messing spaces.

Dispensers, Mil. Spec. MIL-D-40631, shall be provided for stowing and dispensing dishes, bowls, trays, cups, glasses, and silverware with a capacity equivalent to 65 percent of crew, marine, and troop accommodations.

Dispensers shall be located adjacent to the serving line on the approach side of the serving counter except that cup, glass and silverware dispensers, shall be located at the exit end of the serving counter or adjacent to the beverage stand.

One menu board, commercial, with 200 captions or strips, shall be provided at the head of each food serving line for CPO, SNCO, crew, and troop messrooms.

Wardroom messrooms, officers - Wardroom messroom equipment shall comply with the following requirements:

Equipment Drawing No. or Spec. No.

Table, extension S3306-632293

Table, wardroom 804-4629249

Sideboard or serving table 805-1625029

Locker, table leaf S3306-633952

Cabinet, napkin S3306-637770, S3306-637771

Chair, Type I, Class 1, Style A AA-C-275

Table 805-2217401

Coffee maker W-C-500

4 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

Chief petty officer messroom - Chief petty officer messroom equipment shall comply with requirements in the following table:

Equipment Drawing No. or Spec. No.

Table, dining S3306-866327

Table, dining (modified to 27 by 48 inches) 804-4623536

Table, dining S3306-630948

Mess booth, Type A 804-4661742

Mess booth, Type B 804-4661742

Chair, Type 1, Class 1, Style A AA-C-275

Sideboards 805-1625029

Locker, table leaf S3306-63952

Coffee maker W-C-500

A library shall be provided on ships with 300 or more accommodations. The library shall be outfitted in accordance with Table I.

Where space permits, ships without a library shall be provided with a crew study. The crew study shall be outfitted with study carrels with shelving over the maximum extent, see Table I.

As a minimum, ships without a library shall be provided with a central stowage area for books, plus a bookshelf or locker in the wardroom, CPO lounge and crew lounge or messroom. Combined book stowage facilities shall provide a minimum of one linear foot of shelving per five accommodations.

TABLE I - LIBRARY

Item Drawing or

Spec. No.

Quantity Ship Accommodations

300 to

500 to

1000 to

1500 to

3000 and more

Librarian Station:

Clock, bhd. mtd.

Single pedestal Commercial 1 1 1 1 1

Type-writer desk 805-2224393 1 1 1 1 1

Bulletin board, type A S3209-638101 1 1 1 1 1

Waste paper basket Commercial 1 1 1 1 1

Dictionary/atlas stand Commercial(1) 1 1 1 1 1

Modular cupboard unit

Commercial(2) 1 1 1 1 1

Modular discharge unit Commercial(3) 1 1 1 1 1

Built-in book return Commercial(4) 1 1 1 1 1

Card catalog cabinet Commercial(5) 1 1 1 1 1

Modular card file unit Commercial(6) - - 1 1 1

Standard book truck Commercial(8) - - 1 1 1

Depressible book truck Commercial(9) - - - - 1

Modular tape storage unit

Commercial(10) - - - 1 1

Reading area:

4-person table, pedestal type, 48x36 inches.

Commercial - 1 1 1 2

Standard study carrel Commercial(11) (12) (13) (13) (13) (13)

5 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

TABLE I - LIBRARY (Continued)

Item Drawing or

Spec. No.

Quantity Ship Accommodations

300 to

500 to

1000 to

1500 to

3000 and more

A/V study carrel Commercial(14) (13) (15) (15) (15) (15)

Armchair, type 1, class

1, style A

AA-C-275 - 4 4 4 8

Sidechair, type 1, class

1, style B

AA-C-275 Note (16)

Lounge chair 805-921937 Note (17)

Two-seat transom 805-921937

(17) (18) (18) (18) (18)

Lounge table (19) Commercial Note (20)

Table lamp See Sect. 332 Note (21)

Magazine rack, type A S3304-860200 1 1 2 2 2

Newspaper rack Commercial(22) - 1 1 1 1

Revolving paperback rack

Commercial(23) - - 1 1 1

Book Stacks:

Shelving, library 805-1749064

(24)

Note (25)

Stool, bhd. mtd., folding 805-1635672 Note (26)

Book case 48" w/subbase

S3306-633490 - 1 1 2 2

Supply locker w/subbase 805-1629991 - 1 1 2 2

NOTES:

1. 24 inches wide by 14 inches deep by 41 inches high (front) 43 inches high (back), fixed base shelf 12 inches above deck, and two shelves vertically adjustable in 1-inch increments.

2. 32 inches high by 36 inches wide by 24 1/2 inches deep with doors opening out on librarian side. Unit shall have a subbase, one fixed base shelf, two shelves vertically adjustable in 1-inch increments, and door lock.

3. 32 inches high by 36 inches wide by 24 1/2 inches deep with recessed tray well exposed by removable high pressure plastic laminate top which is slid directly under tray well becoming a convenient work surface. Unit shall have one shelf 15 inches deep vertically adjustable in 1-inch increments under tray well. Tray well shall be sized to accommodate at least 3 standard size charging trays and 3 standard size shelf-list trays at the same time.

4. Shall be installed in door or passageway bulkhead. It shall comprise of: 3 inch by 18 inch slot located approximately 43 inches above the deck; a stainless steel chute 19 inches wide by 12 inches long sloping downward at 45 degrees angle inside library; and portable padded basket 20 inches wide by 18 inches deep by 18 inches high bulkhead mounted 9 inches below bottom of chute. On aircraft carriers, a depressible book truck shall be substituted for the basket.

5. Shall contain built-in drawers and shall be mounted on a 26 inch high stand for ships requiring more than 5 drawers. For ships requiring less than 5 drawers, cabinet shall be mounted on top of Modular Cupboard Unit. Ships requiring 5 drawers shall utilize the Modular Card File Unit. Each drawer shall accommodate 1,200 cards 3 inches high by 5 inches wide with a precision cut hole centered 3/8 inch above the card's bottom edge. Each drawer shall be equipped with locking guide rods approximately 3/16 inch diameter to fit through card holes. Each drawer shall have a "bad seas" locking device; a rear-end restrainer to prevent drawer from sliding out easily; follow-block to keep cards upright and a label holder on face of drawer. Number of drawers required shall equal total ship accommodations multiplied by 4.5 divided by 1,200.

6. 32 inches high by 36 inches wide by 24 1/2 inches deep with a row of 5 built-in drawers located directly below top of unit. Ships with 3,000 or more accommodations shall have two rows of 5 drawers each. Built-in

6 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

drawers shall be the same type as specified in Note 5 above. Unit shall have a subbase, one fixed base shelf vertically adjustable in 1-inch increments below bottom row of drawers.

7. 32 inches high by 36 inches wide by 24 1/2 inches deep with a 3 inch by 18 inch slot and compatible chute located center top on the patron side. Unit serves as housing unit for Depressible Book Truck.

8. 42 inches high by 28 inches wide by 13 inches deep with 3 single faced, tilted shelves vertically spaced 12 inches apart. Truck shall have 4-inch ball-bearing soft rubber casters (2 swivel locking, 2 nonswivel), handles on two sides, and 1/2 inch rubber guard on side edges.

9. 26 inches high by 24 inches wide by 20 inches deep, 18 by 18-inch spring loaded cushioned platform

(depresses as return books accumulate), with 3 inch casters (two locking, 2 swivel), handles on two sides, and 1/2 inch rubber guard around top edge.

10. 32 inches high by 36 inches wide by 24 1/2 inches deep with lockable built-in drawers designed to store

300 cassette and 300 8-track sound tapes. Unit shall have a subbase.

11. Shall be constructed in two sections consisting of a base frame and booth. Base frame shall be 29 inches high by 36 inches wide by 21 inches deep. Booth, mounted on top and flush with back edge of base frame, shall be

21 inches high by 36 inches wide by 24 inches deep with full width by 7 inches deep shelf installed 13 inches above work surface and up against back panel of booth.

12. One per 200 accommodations.

13. One per 350 accommodations.

14. Shall be same as specified in Note 11 above except side panels of booth shall be perforated steel with

3/4-inch acoustic insulation core. In addition, booth shall have 9 inch high by 12 inch wide pressure sensitive projection screen mounted on back panel, and 120 volt a.c. electric outlet.

15. One per 600 accommodations.

16. One for each study carrel.

17. One per 500 accommodations.

18. One per 1,000 accommodations.

19. Includes typical commercial marine round, rectangular, and square end tables, corner tables, and coffee tables.

20. Shall equal at least one-half the sum of the lounge chairs and settees required.

21. Shall equal at least one-third the number of lounge tables required.

22. Bulkhead mounted 29 1/2 inches high by 2 3/4 inches wide by 1 1/2 inches deep with newspaper stick insert holes drilled at 20 degree angle into side of rack. Shall hold 6 newspapers.

23. Deck mounted 68 inches high by 17 inches wide with 56 pockets to hold 330 standard size paperbacks.

Heavy gage steel wire construction.

24. Modified to exclude 2 inch front edge. Add hole to side panels and provide shock cord to hold books in place.

25. One linear foot of shelving per 5 accommodations.

26. Installed at dead end of book stack aisles 9 feet or longer in length.

640e. Berthing There shall be one berth per accommodation. Berths shall be either pan type construction, or pan with locker under type construction, except for troop berthing. Except where otherwise specified, berths shall be partitioned on three sides and provided with individually operated berth lights, privacy curtains, and ventilation terminals. Berth lights shall be in accordance with Mil. Spec. MIL-F-16377/17.

The term "net walking area" refers to deck area that is clear of fixed furniture such as berths, lockers, and wardrobes. The area under chairs and under the retractable sections of folding lavatories, and the drop leaf of secretary bureaus is included in net walking area. Areas that are too small or too obstructed to serve as normal foot traffic areas, such as those between bulkheads and adjacent furniture, are excluded from net walking area.

640f. Lounge and Recreation Facilities Where practicable, lounges and recreation rooms for enlisted personnel shall be separate spaces and shall be located adjacent to berthing spaces. When this isn't practical the lounge areas shall be an integral part of berthing space.

Where officer or enlisted personnel lounges are combined with their respective messrooms, they shall be arranged to provide maximum separation and utility.

7 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

Lounges shall be outfitted in accordance with Table II.

Recreation rooms shall be outfitted in accordance with Table III.

Seating spaces and writing surfaces shall be provided for lounges and recreation rooms based on the number of assigned personnel per space as follows:

Space Number of Seating Spaces Number of Writing Surfaces

Wardroom lounge One per 5 officer accommodations

(1)

No requirement

CPO/SNCO lounge One per 3 CPO/SNCO accommodations

One per 10 CPO/SNCO accommodations

Crew/troop lounge and recreation room

One per 10 crew/troop accommodations

One per 10 crew/troop accommodations

NOTE:

1. For more than 50 officer accommodations, 10 seats plus additional seats for 15 percent of the number of accommodations in excess of 50 shall be provided.

TABLE II - LOUNGE

Item Drawing or Spec. No. Quantity

Ash receiver, type 1 See Section 640g -

Booktrack, type C 805-174906(1) 1

Bulletin board, type B S3209-638101 1

Coat and hat hooks See Section 640 -

Coffee table S3306-638173(1) (2)

End table S3306-638243(1) (2)

Game table 805-1749104(1) (3) (4)

Lounge chair 805-921937(1) (4)

Magazine rack, type B S3304-860200(1) 1

Sideboard, 24-inch unit 1 805-1625029(1) 1

Stacking chair Commercial (3) (4)

Transom seating 805-921937(1) (4)

TV set support Commercial 1

Waste paper basket Commercial 1

Notes:

1. Commercial furniture in accordance with requirements in Section 640d may be substituted for standard furniture.

2. Coffee tables and end tables shall be provided for lounge seating as space permits.

3. For use only in enlisting personnel lounges. Not required when separate recreation room is provided.

4. Seating and writing surfaces for lounge facilities shall be provided as specified above.

TABLE III - RECREATION ROOM

Item Drawing or Spec. No. Quantity

Ash receiver, type II See Section 640 -

Coat and hat hooks See Section 640 -

Sideboard, 24-inch wide unit 1 805-1625029 1

Stacking chair, for tables Commercial (1)

TV set support Commercial 1

Table, 4-person, single pedestal 805-1749104 (1)

Note:

1. Seating and writing surfaces shall be as specified above.

8 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

640g. Ancillary Furnishings and Materials Ash receivers, drawing, NAVSHIPS No. 805-1635298, shall be provided in berthing spaces, one for each 15 accommodations, and in working, messing, and lounge spaces, one for each 10 assigned personnel, but not less than one per compartment.

Bulletin boards shall be in compliance with NAVSHIPS No. S3209-638101. Chairs other than folding, stacking, and lounge chairs, shall comply with Fed. Spec. AA-C-275, and shall be provided with glides of the nonslip,swivel type shown on drawing, NAVSHIPS No. S3200-860055. Chair restraints, in accordance with drawing,NAVSHIPS No. 805-1640129, shall be provided at designated chair stowage locations.

Stacking chairs shall be provided with cast aluminum seats in accordance with drawing, NAVSHIPS No.

804-4661745.

Clothing lockers, drawing, NAVSHIPS No. 805-1626365, type D, shall be provided in each main engineering or machinery space on a basis of one locker section for each watch stander in a watch section.

Clothes lockers shall not be located in sanitary or food service spaces.

Coat and hat hooks, commercial, noncorroding metal, shall be provided in sufficient quantity to accommodate the normal occupancy in working spaces, CPO and wardroom messrooms and lounges, and in crew and troop berthing spaces. Each coat hook shall be capable of supporting 65 pounds and shall be located to preclude personnel hazard.

Curtains shall be provided at airports and fixed lights. Curtain fixtures for airports and fixed lights shall be commercial, noncorroding metal.

A divided curtain shall be provided on each berth within the enlisted personnel berthing spaces and within officer bunkrooms and staterooms having more than one occupant. Berth curtains shall be in conformance with Mil.

Spec. DOD-C-24556, type I, class 3, style A and the following:

Slider tape shall be sewn to back of berth curtain so that top of tabs are 7/16 inch below the top edge of curtain.

Height of curtains shall be such that the lower edge of each curtain clears the top edge of the curtained berth by 1/4 inch.

Structure capable of supporting 250 pounds shall be provided to support the track for the upper berth curtain.

Curtains shall be fabricated from not less than 140 gram material.

The style A aluminum curtain tracks shall be provided as part of the berth tier assemblies.

Where the ends of berths in officer bunkrooms and staterooms do not abut a bulkhead or are not screened by stowage modules, end curtains conforming to Mil. Spec. DOD-C-24556, type II, class 3, style A shall be provided.

Curtains for transom berths shall not interfere with their use as a seat.

Flight suit lockers shall be installed on aircraft carriers and other ships designed to accommodate aviation personnel. Lockers, drawing, NAVSHIPS No. 805-921921, type M, shall be provided on a basis of one per officer and enlisted aircrew personnel. Lockers for officer and enlisted aircrewmen shall be located within locker rooms convenient to briefing or ready rooms.

Grab rods of aluminum or zinc-coated steel, shall be installed over two and three high berth tiers, to assist getting into and out of top berths.

Grab rods shall be U-shaped, conveniently located, and capable of supporting a static load of 500 pounds.

Where deck heights are excessive the grab rod may be fitted to the bulkhead at the head of the berth.

Ironing boards and steam electric flat irons shall be provided in enlisted personnel berthing spaces on the basis of one for each 50 accommodations or major fraction thereof. Ironing boards and irons shall be distributed equitably in each berthing space. At least one iron and board, however, shall be provided for each living space.

Flat irons shall be high grade commercial type equipped with a cord and three-pronged plug in accordance with

Fed. Spec. J-C-175, type 1, except cord shall be NEC type HPD.

Ironing boards shall be portable, collapsible, metal, high grade commercial type, about 15 inches wide and 54 inches long, with one end tapered. Boards shall be covered with 3/8 inch thick pads and asbestos-free fireproof covers. A tray for holding the iron shall be secured to the ironing board. Means shall be provided for stowing the ironing board in a convenient location. A locker for stowing the iron and cord shall be installed in the vicinity of the stowed ironing board.

Letter collection boxes, drawing, NAVSHIPS No. 805-1629807, shall be installed in messing areas, crew lounges, berthing areas, and other convenient locations, as appropriate. Letter collection boxes shall be provided on the basis of one for each 200 accommodations or fraction thereof.

9 Section 640

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

Mirrors shall be laminated glass. In enlisted personnel berthing spaces, mirrors shall be provided with light and receptacle and shall be installed with top of mirror 74 inches above the finished deck.

Soiled clothes lockers, drawing, NAVSHIPS No. 805-1648667 shall be provided in enlisted personnel berthing spaces and shall be sized to suit the number of accommodations in the space in accordance with the minimum storage requirements per accommodation for the assigned personnel, see Sections 642 and 643. One half of each locker shall be labeled for soiled whites and the other for soiled blues. Where size III, IV, or V is required, two size

I or II, as applicable, may be used. Where two lockers are provided in one space, the partition plate may be omitted, and one locker may be labeled for soiled whites and the other for soiled blues.

640h. Joiner Work General - Furring and finishing strips for protection or for the proper securing and finish of all portable articles and outfit shall be installed.

Joiner work in each space shall be uniform and shall correspond with the items of portable furniture.

Inaccessible corners and crevices which might harbor dirt, vermin, or rats shall be eliminated. (See Section

605).

Joiner work shall not be secured directly to watertight or oiltight structure. Clips shall be welded to the structure, and furring strips shall be riveted or bolted to clips for connection to the joiner work.

Material - All joiner work, unless specified otherwise, shall be of aluminum construction. Built-in furniture, unless specified otherwise, shall be aluminum alloy.

640i. Shock Section 072 herein defines the requirements for shock as it relates to ship overhaul.

640j. Technical Documentation The requirements for technical documentation relating to the SHIPALT development process are specified in

Section 085. Other technical documentation requirements related to overhaul are specified in Section 800.

640k. Testing Requirements

For testing of Commercial-Off-The-Shelf (COTS) equipment, see Section 092i.

1 Section 641

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

Other requests for this document must be referred to NAVSEA05S.

GENERAL SPECIFICATIONS FOR OVERHAUL

OF SURFACE SHIPS (GSO)

SECTION 641

OFFICER BERTHING SPACES

641a. Scope This section contains the detail requirements for officer berthing spaces.

641b. General Location of staterooms for heads of departments and quarters for the commanding officer requires approval by CNO, any change in the location of these spaces must be submitted to NAVSEA for approval.

The total number of officer berths shall not be reduced without special approval of NAVSEA obtained through the

Supervisor.

Officer berthing spaces shall be outfitted in accordance with Tables II through VIII.

Where overhead obstructions preclude installation of a full height berth tier, drawers may be reduced in height or omitted as necessary to maintain overhead clearances indicated on the type drawing. Drawer volume so lost shall be replaced elsewhere within the space.

Where officer berth tiers are fitted adjacent to the shell of the ship and the flare of the shell exceeds 12 inches from the top rail of the upper berth, a lee rail shall be fitted on the outboard edge of the berths and the filler plates shall be omitted.

Clips for the stowage of berth lee rails shall be installed in an inconspicuous location within the berthing space, but convenient to the berth. The design of clips shall provide for easy removal of the lee rails.

Berth tiers shall be equipped with a ladder, mounted on the outside face of the berth tier, clear of the curtain so as not to interfere with the curtain's movement.

A shelf shall be installed adjacent to the head of each berth for ready stowage of personal articles. Shelf shall be aluminum, and shall be 5 inches wide by 12 inches long, with sides flanged up one inch and the top edge hemmed or rolled.

The doors in built-in wardrobes shall be in the side having the greatest dimension; otherwise, clothes rods of the extension type shall be provided.

Bunkrooms, where provided, shall be arranged with the sleeping area screened by partitions or stowage units from that portion of the space used for other purposes. There shall be no more than six berths per bunkroom.

General requirements for berthing spaces are contained in Section 640. For testing of Commercial-Off-The-Shelf

(COTS) equipment, see section 092i. The minimum net walking area per accommodation shall be as specified in Table I.

TABLE I - Net Walking Area (in square feet)

Officers Accommodations

(3)

Ship Length

150 feet to

300 feet

Ship Length

301 feet to

600 feet

Ship Length over 600 feet

Troop officers

Single stateroom N/R N/R-35* 35-50* N/R-30*

Single (Exec. Off.)

stateroom

35-40*(1) 40-55* 45-70* N/R

Single (Dept. Head) stateroom

N/R-30* 30-45* 45-60* N/R

Double stateroom 20 22 35 18

Commanding Off.

stateroom

45-50*(2) 55-70*(2) 65-80*(2) 45-50*

Officers bunkroom N/A N/A 20 12

NOTES: N/R = Not required

N/A = Not applicable

* = The lower figure is the minimum limit. The higher figure is the design goal.

1 - When such spaces are provided. Optimum ship construction considerations may preclude provision in every case. 2 - Does not include sea cabin space, when provided. 3 - Net walking areas assigned to flag officer, landing force commander, unit commander. and other senior operational commanders shall be commensurate with and appropriate to the rank of the individuals concerned.

2 Section 641

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

TABLE II - Cabins

Item Drawing No. or

Spec. No.

Flag Captain Chief of

Staff

Executive

Officer

Div. or Sqdn.

Cmdr.

Unit

Cmdr.

Bookshelves (1) Built-in 1 1 1 1 1 1

Bookrack, type A

(located over desk) (2)

805-1749061 1 1 1 1 1 1

Cabinet, key, type II, class A (5)

AA-C-30 - 1 - - - -

Chair, Lounge 805-921937 4 2 3 1 1 1

Chair, type II, class 1, style A

AA-C-275 (8) (8) 4 4 - (8)

Desk, flat top (double pedestal where space will permit otherwise single pedestal)

S32098-633117

805-2224391

1 1 1 1 1 1

Locker,, table leaf (7) S3306-633952 1 1 - - 1 1

Locker, sea rack (3) S3306-918374 - 1 - - 1 1

Rack, hat and coat (6) Commercial 1 1 1 1 1 1

Sea rack for dining table (fit to suit table used) (4)

S3306-918162 - 1 - - 1 1

Table, coffee S3306-638173 1 1 1 - 1 -

Table, dining, extension

S3302-631493

S3302-631211

1 1 - - - 1

Table, round top, 36-inch diameter

S3306-866328 - - 1 1 - 1

Table, serving

(modular)

805-1625029 3 3 - - 2 -

Table, sideboard 805-1625029 3 3 1 - 2 1

Table, end S3306-638243 3 2 2 - 2 1

Transom 805-1749012 4 2 2 - 1 -

NOTES:

1. Built-in suit available space. Approximately 15 lineal feet of shelving shall be provided. Shelves shall be 10-

1/2 inches wide with a 1-inch lip at front edge extending above the shelf. The shelves shall be spaces vertically about 10-1/2 inches apart.

2. Omit if bookshelves are provided above the desk.

3. May be built-in between stiffeners or located in adjacent passage.

4. Only for ships with 5,000-tons full-load displacement or less.

5. Key cabinet shall have a multiple identification system and shall be sized to hold the required number of keys.

6. Hat and coat capacity shall equal the number of seats within the space served.

7. Size to accommodate the required number of table leaves.

8. The quantity shall equal the total seating capacity of the tables.

3 Section 641

Distribution Statement D: Distribution authorized to DoD and DoD Contractors only for administrative or operational use.

TABLE III - Staterooms (Surface Ships 151 feet to 300 feet in length)

Item

Drawing No.

or Spec. No.

Div., Sqdn., or

Unit

Cmdr.

C.O.

Exec.

Off.

Sea

Cabin

Single

Doubl e

Berth, transom, type L36

805-1637198

Berth, single, size

II (3)

805-1634193 - - - - 1 -

Berth, double, size

II (3)

805-1634193

Berth spring unit 805-1632586 1 1 - - - 2

Cabinet, key, type

II, class A (4)

AA-C-30 1 1 - - - -

Chair, type II, class I, style A

AA-C-275 1 1 - - - -

Chair, type I, class

I, style A

AA-C-275 4 4 1 1 1 2

Desk, flat top, single pedestal

805-2224391 1 1 - - - -

Furniture, modular, group

No.

805-1637731 Gp2 Gp2 Gp1 (2) Gp1 Gp7

Lavatory unit (1) (see Sect. 644) 1 1 1 1 1 1

Mirror, full length 804-4623537 1 1 - - - -

Safe, locker, type

No. 7

S3209-860212 1…