Downloaded from STANDARD METHODS FOR SURFACE SHIPS AND SUBMARINES ... Electric Plant Installation...

NOTE: DOD-STD-2003-4 has been redesignated as a standard practice. The coverpage has been changed for Administrative reasons. There are no other changesto this Document.

INCH - POUND

DOD-STD-2003-4(SH) 24 June 1987

SUPERSEDING NAVSEA S9300-AW-EDG-010/EPISM

(INCLUDING NAVSEA DWG. NO.803-5001027) AND NAVSEC NO.

9000-S6202-73980

AMSC N/A AREA GDRQ

DISTRIBUTION STATEMENT B. Distribution limited to U.S. Government agencies only for administrative and operational use. Other requests for this directive must be referred to NAVSEA (SEA 05Q).

DEPARTMENT OF DEFENSESTANDARD PRACTICE

ELECTRIC PLANT INSTALLATIONSTANDARD METHODS FOR

SURFACE SHIPS AND SUBMARINES(CABLEWAYS)

SECTION 4 OF 5 SECTIONS

Downloaded from http://www.everyspec.com

DOD--S-2 OO3-4 (NAVY)24 June 1987

‘uSECTION 4

CABLEWAYS

DEPARTMENT OF THE NAVYNAVAL SEA SYSTEMS COMMAND

Washington, DC 20362-5101

Electric Plant Installation Standard Methods For Surface Ships and Submarines

1. This Military Standard is approved for use by the Naval Sea Systems Command,Department of the Navy, and is available for use by all Departments and Agenciesof the Department of Defenses

2. Beneficial comments (recommendations, additions, deletions) and any pertinentdata which may be of u6e in improving this document should be addressed to:Commander, Naval Sea Systems Command, SEA 55~Z3,‘Department of the Navy,Washington, DC 20362-5101 by using the self-addressed Standardization DocumentImprovement Proposal (DD Form 1426) appearing at the end of this document or byletter.

u’I


DOD-STD-2003-4( NAVY)24 June 1987

“=--’--’

FOREWORD

10 The criteria contained herein for the installation of the electrical planton ships of the United States Navy supersede the data contained in Sections 1through 5 of NAVSHIPS Drawing 9000-S6202-73980, NAVSEA Drawing No. 803-5001027and NAVSEA PUBLICATION S9300-AW-EDG-O10/EPISM.

2. This standard disseminates up-to-date information detailing Requirements forStandard Installation Methods Employed for Submarine and Surface Ship ElectricalDistribution Systems.

3. These criteria apply to work on a specific ship or ships only when invokedby the Ship Specifications or similar contractual documents

4. Although these criteria are primarily for application to new construction,their use may be considered in the conversion or alteration of existing ships.In such cases the degree of applicability of these criteria will be specifiedby the activity preparing the instructions for the work.

5. Considering the rmgnitude of this standard, along with the changing require-ments imposed on the Electric Plant, it is inevitable that changes will berequired to up-date these criteria. Therefore, as comments arise they should beforwarded to Naval Sea Systems Command (NAVSEA) 5523 to keep this standard ascurrent as possible through subsequent revisions. Reviaionu will be accomplishedby the issuance of additional or revised figures to be inserted in the basicstandard sections. Document Improvement Proposal Form DD 1426 attached. Super-

seded pages may be retained for reference if so desired.

6. This standard is available in a 8-1/2 X 11 hard copy, in microfilm aperturecards, or in microfiche. It is available in 8-1/2 X 11 hard copy fromCommanding Officer, Naval Publications and Forma Center, 5801 Tabor Avenue,Philadelphia, PA 19120. Microfilm aperture card or microfiche are availablefrom Commanding Officer, Portsmouth Naval Shipyard, Code 202.2, Portsmouth, NH03801. All revisions on microfilm aperture cards, or on microfiche are auto-matically distributed to a ~reviously approved distribution list. (Tel: (207)

439-1000, Ext. 1718, Autovon 684-1718). Activities having a requirement to beplaced on the “distribution or for additional copies should forward these requeststo Commnder, Naval Sea Systems Command, SEA 5523, Department of the Navy,Washington, DC 203620510,1., Aperture cards have been distributed to those

activities presently, on the distribution for NAVSEAStandard and Type Drawingmicrofilm aperture card sete~ Microfiche has been distributed to all activeships.


,’ DOD-STD-2003-4(NAVY)24 June 1987

wCONTENTS

Page

Paragraph 1.1.11.1.1

2.2.12.1.12.1.22.2

3.3.13.2

4.4.14.1.14.1.24.1.34.1.44.1.54.1.64.1.74.1.84.1.94.1.104.1.114.1.124.1.134*1.144.1.154.2

5.5.15.25*35.3.15.3.25.3.2.1

5.3.2.25.3.2.35.3.35*3.45*3.5

5.3.65*3.7

SCOPE ● ********** ● ********** ● ********** ● *O******** ● ***Purpose .............................................Application .........................................

REFERENCED DOCUMENTS ● ● ● ● ● ● ● ● *● ● ● ● *98**● *● *● ● O● ● O● ● ● ● ●

Government documents ................................Specifications and standards ........................Other Government publications and documents ● ● *O● ● ● .●

Order of precedence .................................

DEFINITIONS ● ● .● ● ● ● ● ● ● *● ● ..● ● ● ● *.● ● *● ..**.*9**w● ● ● *b..Cableway tier .......................................Double banking ......................................

GENEWIL REQUIREMENTS 0******9*● 0● ● *● ● *● O● *● ● ● *● ● ● 0● **●

Location of cable runs ..............................Vertical cable runs .................................Emergency diesel generator seawater booster pumps ...Interior communications and weapons control .........Control from more than one location .................Weather exposure ....................................Circuit trunking i...................................Armored cable .......................................Deadended cable .....................................Gun mounts ..........................................Rotating missile launchers ..........................Ballistic structures ................................Bulkheads and overheads ● ● ● ● ● ● ● *.● ● ● ● ● ..● ● ● ● *..0● *● s●

Magnetic minesweeping generators ....................Sonar system cables .................................Hyperbolic missile stowage areas ....................Spare cable space allowance .........................

DETAILED REQUIREMENTS ................................Cable slack .........................................Cable bend radius .● ● ● . ● ● ● ● ● . . ● 9 ● ● . ● ● ● ● . ● w ● ● . ● ● ● ● ● ● ● .

Protection of cable .................................Battle damage .......................O.............O.Mechanical damage ...................................Auxiliary ship installation .........................Riser boxes .........................................Oiler weather deck ..................................Excessive heat ......................................Excessive moisture ..................................Cables installed through submerged spacesand voids .~~.~.-~~~~.o. ..~~.*..*.~... ..........~~.~

Cable installations in hazardous locations ..........Channel rubber ......................................

111

11122

222

222333333334444444

55555666666

677


‘Lw’

‘1J

DOD-S TD-2003-4 (NAVY)24 June 1987

CONTENTS - Continued

Paragraph 5.45.55.65.75.7.15.7.25.7.2.1

5.7.2.25.7.35.7.3.15.7.3.25.7.3.2.15.7.3.35.7.3.45.7.3.55.7.3.65.7.3.75.7.3.85.7.4

6.601 a6.2

6.3 ‘

Figure 4A14A24A3

4A4I

,4A5 ,4A64A?4A8

4A9

4A1O

4Al14A12

Installation of propulsion system cables .......*.**Cable handling and stowage .........................Cable tags .........................................Cable hangers and supports ...~.~...c.-c-.~~~ .......Insulation spacer block .............*.O.O*OOS-. ● ..oShock design ...............~=a.o ......● Ge.c.O...S...

Multiple cable test racks (15 inches free length ofcable support) .~......~.**..~.... .*.@.*..-.~......

Single cable supports ....*~....*..***~. ............Installation .......................................Spacing 9● 0● 0● ● **O* ● ● 8● ● *O*● O● e● *● 9● ● ***● ● *● ● e● ● 00● ●

Cable racks ..........................*.....e...-oD.

Support components .................................Double banking of cable ............................Cable retention ..........................● .....*D..Plastic sealer .....................................Welding ............................................Threaded fastener .......................* ● ......=*.Collar studs ......................... ..............Deadended cable .....................................

NOTES ● ● e9*● *● *● 9*● ● ● 6● ● ● ● **● *● **se● **•~o● ● *.**● .● -=●

Intended use .......................................Designation of Electric Plant Installation StandardMethods figures ...................................

Subject term (key word) listing ......-....CS..CD*..

Group A - Cableways (Submarines) .

Main cableway for battery cables (submarines) .......Main cableway for battery cables (submarines) ● .....*Addition of cable to existingbattery cableway(submarines) ● ● **● *● 0● ● ● ● ● ● ● ● ,0● **● ● *● ● *● ● 8● ● ● ● ● ● ● ● ● ●

Cableway adjacent to bulkhead penetration(submarines) .............t...i......i..............

Cableway for auxiliary cables ~(submarines) ..........Cableways for auxiliary cables (submarines) ● ● 0● ● 6● ● ●

Single row cableway (submarine) ..........**....*.***Cableway through coamings andhatchways(submarines) .......................................

Typical hanger installation for cableway(submarines) (Canceled) ............................

Cableway for double bank of main propulsion cables(submarines) .......................................

External wireways installation ............ ..........

External wireways installation standard methods(submarines) .......................................

?%!2

889999

10101010101112121212121313

1313

1313

1415

16

17181920

21

22

2324

25


DOD-STD-20034(NAVY)

24 June 1987

w’

Figure 4Al3

4A14

4B14B24B34B44B54B64B74B84B94BI04B114B12

4B134B144B15

4B16

4B174B184B194B204B21

4B22

4B23

4B24

4B25

4B264B27


Group A - Cableways (Submarines) (Continued)

External wireways installation standard methods(submarines) ● ..* ● ● . . ● ● * ● ● ● ● ● . ● ● ** ● ● . ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●

External wireways installation standard methods(submarines) .......................................

Group B - (Surface Ships)

Cableways for ac propulsion cables (surface ships) ..Cableways for ac propulsion cables (surface ships) ..Cableways for ac propulsion cables (surface ships) ..Support for ac propulsion cables (surface ships) ....Cableways for ac propulsion cables (surface ships) ..Cableways for ac propulsion cables (surface ships) ..Cableways for ac propulsion cables (surface ships) ..Cableways for ac propulsion cables (surface ships) ..Cableways for ac propulsion cables (surface ships) ..Cableways for dc propulsion (surface ships) ● *● ● *● ● *●

Cableways for dc propulsion- cables (surface ships) ..Single cableway on non-structural bulkhead(surface ships) ....................................

Cableways in acoustical locations (surface ships) ...Cabkways in acoustical locations (surface ships) ...Multiple cableways on steel decks and bulkheads(surface ships) ● ● ● ● ● ● ● ● ● ● ● *● ● 9● ● ● ● ● ● ● ● ● *● ● ● &● ● ● ● ● ● ●

Multiple cables on steel decks and bulkheads(surface ships) ....................................

Multiple cables on steel decks or bulkheads ● **WOO***Multiple cables on steel bulkheads (surface ships) ..Multiple cables on steel bulkheads (surface ships) ..Multiple cables on steel bulkheads (surface ships) ..Multiple cableways support from aluminum or steeldecks and bulkheads (surface ships) . . . . . . . . . . . . . . . .

Multiple cableways on insulated steel or aluminum

decks or bulkheads (surface ships) ● ● ● ● 0● ● ● ● *● ● *● ● ..Single cableway on aluminum structures (surfaceships) ● ● 6*9-*O****** ● W*● ● O** ● ● 9● *● ● ● ● *● ● ● ● ● ● ● ● ● 6● e●

Single cableway on aluminum structure (surfaceships) •*.**.a.o*..~. .~.~o~o.~..... ......o*.*~.*o ● ..

Multiple cableways in machinery-spaces (surfaceships) ● ● ● ● ● ● -● ● -● ● ● 0● ● ● *● C● ● ● 9● ● *● ● ● e● ● ● O● ● ● ● ● ● ● ● ● ●

Cableways through storage spaces and tanks ..........Cableways through storage spaces and tanks

(surface ships) ....................................

E%!2

26

27

2829

303132333435363738

394041

42

4344454647

48

49

50

51

5253

54

4


DowSTD-2003-4 (NAVY)24 June 1987

i-%.4-””

“=--,=’

Figure 4B28

4B29

4B30

4B314B324B334B344B354B364B374B384B394B404B414B424B434B4448454B464B474B484B494B504B514B524B534B54

4B55

4CI4C24C34C44C5


Group B - Cableways (Surface Ships) (Continued)

Cableways through trunks and channels (surfaceships) ..~.e.s...~... .oo.........~.•..~o.o~~....~ ..*

Cables through void spaces and chain lockers(surface ships) ................................ ....

Cableways through fuel oil tanks for cathodicprotection system (surface ships) ..................

Topside cableways on tankrs .....................-.0Topside cableways on tankers ........................Topside cableways on tankers ...............-....0...Topside cableways on tankers ........................

( Topside cableways on tankers . . . . . . . ..soa*t..o...0000

Topside cableways on tankers ........................Cable support for degaussing cables (surface ships) .Cable support for degaussing cables (surface ships) .Cable support for degaussing cables (surface ships) .Cable support for degaussing cables (surface ships) .Cable support for degaussing cables (surface ships) .Cable support for degaussing cables (surface ships) .CableWays on wooden ships ...a....*~~0~~oSOO~OCOOCO .“Cableways for wooden vessels .................a.~....Cableways for wooden ships ..........................Cableways for wooden hull ships .....................Cableways for wooden ships ...........................~~~wY@ forl.w~oden qh$ps ...q..o~+oo~o.oc...000....Cableways for wooden ships ..........................Gableways for wooden ships ..........................Cableways on folding masts (surface ships) ..........Coupling of cables on masts with connectors 9● *● ● *b● *

Cableways. of main cable runs on small vessels .......Multiple cableway supports on aluminum or steeldecks and bulkheads (surface ships only) ...........Spacing of multiple cableway supports for aluminumand steel decks and bulkheads (surface ships only) .

Group C - Cableways (General)I

Single cablewayon steel stanchions .................Single cabl-ay on steel stanchions .................-Single cable~ay:;oqsteel structure) ..................Single cableway on steel structure ..................Single cableway on steel and aluminum decks andbulkheads ..........................................

EYE

55

56

575859606162636465666768

697071727374757677787980

81

82

83848586

87


Figure 4C64C7

4C8

4C9

4C1O

4C11

4C124C134C144C154C164C17

4C18

4C19

4C204C214C224C23

4C244C254C264C27

4D14D24D34D44D5

4D64D74D84D9

4D1O



Group C - Cableways (General) (Continued)

Single cableway for coaxial cable ...................Single cableway on steel and aluminum decks andbulkheads ..........................................

Cableway through non-watertight bulkheads and beamswithout firestops ..................................Cableway through non-watertight bulkheads and beamswithout firestops ..................................Cableway through non-watertight bulkheads and beamswithout firestops ..................................Cableway through non-watertight bulkheads and beamswithout firestops ..................................Single cableway in refrigerated spaces ..............Single cableways in acoustical spaces ...............Single cableways in acoustical spaces ................Single cableway to motors ...........................Single cableway on hullboard insulation .............Cableway through non-watertight bulkheads and beamswith firestops ......................................

Cableway through non-watertight bulkheads*

with firestops (existing cable penetrations) .......Insulating liners for cable holes in beams andgirders ............................................

Cableways (This page left intentionally blank) ......Cable banding buckle and miscellaneous details .....*Applying banding material ...........................Details of partially and full loaded bandinghangers ............................................Angle hangers support details .......................Details of tubular hanger ...........................Tubular banding hangers ferrule details .............Details of tubular hanger ............................

Group D - Cable Protection

Protection of cables penetrating watertight decks ● **Protection of cables penetrating watertight decks ...Protection of cables penetrating NTW deck ...........Protection of cables from mechanical injury .........Protection of degaussing cables from mechanicalinjury .............OOO.OO..O.O.. ..............O....

Protection of cables on mast (surface ships) ........Protection of cables on masts (surface ships) ● 000000Protection of cables on mast (surface ships) ........Protection of cables in hanger spaces (surfaceships) .~*...OS..S... .~.c.e~.~.o.~o .s...~~~~~~~~. ...Protection of cables in hanger spaces (surface

E!Ei!2

88

89

90

91

92

939495969798

99

100

101102103104

105106107108109

110111112113

114115116

117

118

119

I


DOD-STD-2003-4 (NAVY)24 June 1987

1. SCOPE.,

1.1 Purpose. The purpose of DOD-STD-2003-4( NA~) is to disseminate up-to-

date information for cableways on surface ships and submarines.

1.1.1 Application. These installation standards shall be used by allinstalling activities. These standards do not identify ship or type, but doestablish minimum standards of acceptance for NAVSEA ships. It is the respon-

sibility of the user activity to determine which standard satisfies theirrequirements. It does not authorize relaxation of any requirement specificallyinvoked by new construction, conversion, overhaul, or refurbishment contracts.

In instances where deviated design requirements (for example, ship type, shipclass, and so forth) conflict with the requirements of this standard, therequirements of this standard shall govern. Any deviation for electric plant

installation identified in this standard shall be submitted to NAVSEA 5622 forresolution.

2* REFERENCED DOCUMENTS

2.1 Government documents.

2.1.1 Specifications and standards. Unless otherwise specified, the

following specifications and standards of the issue listed in that issue of theDepartment of Defense Index of Specifications and Standards (DoDISS) specified

in the solicitation form a part of this standard to the extent specifiedherein. .

SPECIFICATIONS

MILITARYMIL-S-901 -

MIL-C-915 -

MIL-I-3064 -MIL-T-16366 -

MIL-S-214149 -

MIL-C-24640 I-

MIL-C-24643 -

STANDARDS

MILITARYMIL-STD-167-1 -

MIL-STD-278 -

Shock Tests, H.I. (High-Impact); Shipboard Machin-ery, Equipment and Systems, Requirements for,

Cable and Cord, Electrical, for Shipboard use>General Specification for.Insulation, Electrical, Plastic-Sealer.Terminals, Electrical Lug and Conductor Splices,Crimp Style.

Studs, Arc Welding, and Arc Shields (Ferrules),

General Specification for.Cable, Electrical; Lightweight For Shipboard Use,General Speckfica’tion for.

Cable andiCord, E1’ectrlcal, Low Smoke, For Ship-board Use, Gener&l Specification for.

Mechanical Vibrations of Shipboard Equipment

(vpe X - Environmental and Type II - InternallyExcited).

Welding and Casting Standard.“+./

,



2.1.2 Other Government publications and documents. The following otherGovernment publications and documents form a part of this standard to the extentspecified herein.

PUBLICATIONS

NAVAL SEA SYSTEMS COMMAND (NAVSEA)S9407-AB-HBK-O1O - Electromagnetic Shielding Practices,

Shipboard.0978-LP-O03-9000 - Safety and Damage Control Facilities Liquid.0900-LP-016-6081 - Quality Assurance Standards for Submarine

Antenna and Mast Assemblies.

DOCUMENTS

General Specifications for Ships, Section 075.DDS 304-2 - Electric Cable Ratings and Characteristics.DDS 305-1 - Designation and Marking of Electric System.

(Copies of specifications, standards, publications, and documents requiredby contractors in connection with specific acquisition functions should beobtained from the contracting activity or as directed by the contracting officer. )

2.2 Order of precedence. In the event of a conflict between the text ofthis standard and the references cited herein, the text of this standard shalltake precedence. ‘4

3. DEFINITIONS

3.1 Cableway tier. Cableway tier is one row of cable installed in acableway.

3.2 Ihuble banking. Double banking is two or more rows of cable installedin a single tier of a cableway.

4. GENERAL REQUIREMENTS

4.1 Location of cable runs. Main fore-and-aft cableways shall be locatedport and starboard, high and low in ship; lower cableways shall be through machin-ery spac~s and corresponding platform decks, upper cableways under the main deck.This is to provide a quadrangular ~attern to allow maximum athwartship and verti-cal .separatlon of cables to loads requiring two sources of power for systemsrequiring alternate reliability circuits. For example, a ship service powerfeeder in the lower starboard cableway should have its complementary emergencyor alternate feeder in the upper port cableway.

4.1.1 Vertical cable runs. Vertical cable runs shall be organized on thebasis of the fore-and-aft or athwartship aeparat+on.

A . . *



‘u”

‘Q.-,

4.1.2 Emergency diesel generator seawater booster pumps. Cables supplyingemergency diesel generator seawater booster pumps shall be run in the samecompartment with, and as close as practicable to, but shall not be attached tothe water piping connecting the pump to the diesel engine.

4.1.3 Interior communications and weapons control. The main runs ofinterior communications and weap,ons control system cables shall follow cable runsof lighting and power installations. Interior communication and weapons controlcables for circuits having several interrelated main and interrelated auxiliarycircuits shall be run so that main circuits including normal power supply will bein one group and auxiliary circuits including alternate power supply will be inanother group.

4.1.4 Control from more than one location. Where equipment is controlledfrom more than one location, the control cabling from each location to the equip-ment shall be installed in separate wireways.

4.1.5 Weather exposure,’ Cables shall not be exposed to the weather exceptwhere they penetrate a deck or bulkhead to supply equipment. Cables exposed tothe weather shall be kept to a minimum. Where possible, cables to equipment onmasts, staffs, macks, and yardarms shall be installed within masts, staffs, macks,and yardarms.

4.1.6 Circuit trunkin~. Location and.arrangement of cable runs shall pro-vide circuit trunking avoiding physical interferences with piping and ventilationducts. Spaces considered harmful to cable or subject to explosion hazards shallbe avoided. Cableways shall be arranged so that ventilation will.be adequate formaintaining the minimum practicable temperature ,ofcables within the cableway.Cableways shall be located so the cables will not be disturbed by disassembly orremoval of machinery.

4.1.7 hmored cable. Armored cable is required to be used on all nuclearships for propulsion plant and reactor compartments and is desirable in all otherareas unless technically prohibited. The use of armored cable on non-nuclearships is optional and to be determined by the building shipyard, except armoredcables shall not be installed in weather locations due to EMC considerations.

4.1.8 Deadended cable. Cables installed through error or rendered uselessas a result of modification shall be removed.

4.1.9 Gun mounts. Cables to gun mou”nts and directors shall be routed fromthe deck below through the center column in accordance with NAVSEA standardmethods. Watertight integrity shall be maintained. Cable shall be located andinstalled to avoid the poss$b+lityof chafing. N&n-flexing cables shall termi-nate in submersible or watertight, changeqyer connection boxes at the point ofconnection to the flexible cables. Length of flexible cables between changeoverconnection boxes and the slack cable enclosure ,ehall be kept to a minimum. Theslack cable enclosure shall be entered through ,stuffing tubes. In compartmentscontaining hydraulic systems, the cable installation shall not Impair the air-tightness or watertightness of decks and bulkheads forming the boundaries of thecompartment.

L,.’



4.1.10 Rotating missile launchers. Cable connections to rotating missilelaunchers shall comply with drawings furnished by NAVORD.

4.1.11 Bqllistic structures. Attachment of cables and supports to ballisticstructure shall be in accordance with NAVSEA standard drawings and the following:

(a) First preference shall be given to routing cables on theinboard or after bulkheads in the forward half of the ship,and on the inboard or forward bulkheads in the after halfof the ship.

(b) Second preference shall be given to routing cables on channels,or in cable racks on angles, attached to overhead deck beams.

4.1.12 Bulkheads and overheads. Cables shall not be routed on the outboardor forward bulkheads in the forward half of the ship, and on the outboard or afterbulkheads in the after half of the ship, when the plating is 50 pounds per squarefoot (lb/ft2) or heavier. This routing shall also be avoided for lighter platingunless no other route is feasible. The installation of cables on the overheadand on bulkheads shall comply with NAVSEA standard methods. Cables for vitalsystems such us interior communication and weapons control systems shall not besecured to the overhead, or to shell planking, to shell plating or to ballisticbulkheads.

4.1.13 Magnetic minesweeping generators. “Cable runs between magnetic mine-sweeping generators and minesweeping cable terminal boxes shall consist of foursingle-conductor cables arranged to form a quad. The cable centers of the quadshall form a square with alternate positive (+) and negative (-) polarity. Thequad shall be twisted, having a right hand lay of 360 degrees each 10 feet. Theouter jacket of adjacent cables in each quad shall be in contact with each otherthroughout the run. In the event that cables forming the quad paas through bulk-head stuffing tubes, separation of the outer jacket of adjacent cables shall notexceed 3 inches at the bulkhead and 1/2 inch at a distance of 1-1/2 feet from thebulkhead. The same maximum spacing limits shall apply at termination. Wherespace permits, a single community type stuffing tube shall be used for the cablesof a quad when penetrating a watertight bulkhead. Details of the arrangementshall be in accordance with the standard plan for community type stuffing tubeson wood hull minesweepers.

4.1.14 Sonar system cables. Sonar system cables and other low frequencysystem cables shall be installed in accordance with the requirements of NAVSEAS9407-AB-HBK-O1O.

4.1.1S Hyperbolic missile stowage areas. Installation and enclosurerequirements for electric equipment located in hyperbolic missile stowage areashall be in accordance with NAVSEA 0978-LP-003-9000.

4.2 Spare cable space allowance. In the organization of principal cable-ways, spare cable space of approximately 20 percent of that to be occupied bythe final cable installation (as known at time of delivery of the ship) shallbe reserved on cableways and in cable penetration areas for future cableinstallations. The additional cable space may consist of unused hangers ora combination of unused hangers and space available on used hangers, assuming

-— ——.


DoD-STD-2003-4(NAVY)24 June 1987

‘u

that for future addition of cable, double banking will be allowed. During the

design phase, the contractor shall provide cableway space in excess of the spare

20 percent in order to accommodate cables added as a result of developmentsoccurring during the construction period~ Through horizontal cable runs in

aircraft carrie~sf hanger spaces will not be permitted. Through vertical runs

such as those from the second deck to the gallery or flight deck levels shallbe grouped to reduce the number of protective casings required and shall be

protected from fire by NAVSEA standard methods.

“>-i

5. DETAILED REQUIREMENTS

5.1 Cable slack. Cable slack requirements are as follows:

(a) Cables shall be installed so that sufficient slack exists toallow for deflection of bulkheads.

(b) Sag between hangers shall be uniform for each row of cablesso that clearance between rows will be the same throughoutthe cable run.

(c) Where cables spread out to enter bulkhead stuffing tubes,bends shall have liberal sweep to provide as much flexi-bility as practicable.

(d) Cables having only a minimum spread where they pass throughbulkhead stuffing tubes shall have enough slack to givethem the same flexibility as other cables in the group.

(e) Cables from switchboard or other electric equipment shallenter cableways in a curve of sufficient radius to preventtransmission of stresses to the equipment during severecableway deflection.

(f) Cables crossing expansion joints, such as those under the

flight deck and gallery deck of aircraft carriers, shallhave slack allowance at such points at least equal to themaximum movement of the expansion joints.

5.2 Cable bend radius. Cable bend radius shall be in accordance with

NAVSEAtS Cable Comparison Handbook. The following general requirements are

also applicable:

(a) Bends at terminal entrances, where stuffing tubes arerequired, shall be~~made.through angle stuffing tubes~

(b) Straight stuffing tfibesmay be used in place of anglestuffing tubes’ if..,the‘bend in the cable is not lessthan the minimum &end radius.

(c) Measurement point forsurface of the cableportion of the cable

5.3 Protection of cable.(

minimum radius of bend is thatjacket which Is on the innermostbend.

5.3.1 Battle damage~ Protection afforded by the ship structure shall be

used to the greatest extent practicable. Cables shall not be run on the exterior

of deck houses or similar structure above the main deck (Including the islandstructure of aircraft carriera) except where necessary because of the locationof the equipment served.



5.3.2 Mechanical damage. Cables subject to mechanical damage because oftheir proximity to areas frequented by personnel shall be protected by metalcasings. Cableways in areas where their misuse as steps or hand holds wouldcause damage shall be protected. Protective plates shall be Installed over thecableways in all passages where cables might be stepped on. At hatch openingsand in trunks where objects are raised or lowered, cables shall be protected bysteel casings.

5.3.2.1 Auxiliary ship installation. Auxiliary (cargo) ship cable instal-lations shall be routed outside cargo spaces wherever practicable. Where routingthrough’ cargo spaces is unavoidable, cables shall be protected from mechanicaldamage, including damage due to 8hifting of cargo.

5.3.2.2 Riser boxes. Riser boxes, or multiple cable penetrators withmechanical protection, shall be installed for three or more cables passingthrough a deck in a group. Where fewer than three cables pass through a deck,kickpipes shall be installed. Kickpipes installed in the vicinity of hydraulicequipment, where the possibility of oil leakage exists, shall be welded in place.Details of kickpipe installations and the installation of top bracing, whererequired, shall conform to this standard.

5.3.2.3 Oiler weather deck. Cableways installed on the weather deck ofoilers shall be protected by a substantial open bottom steel enclosure. Cable-ways installed alongside or under weather deck catwalks shall be completelyenclosed in a steel enclosure, the bottom section Of wlilch shall consist of aremovable perforated steel plate. Enclosures shall be constructed so as to ‘permit periodic inspection and maintenance of cables and hangers.

5*3*3 Excessive heat. Installation of cables in locations eubject toexceasivo heat &hall be avoldwdi Whei’e reqtii’ted,heat insulating barriers orheat resistant typee of cables shall be installed. Cable shall not be installedadjacent to machinery, piping or other surfaces=having an exposed surface tempera-ture greater than 70 degrees Celsius (“C). Cables shall not be run over boilersin the upper portions of firerooms or in other locations where they may be sur-rounded by hot “air. Cables shall not be run in locations where they will beexposed to hot stack gases unless they are of heat resistant types protected bymethods as shown in this standard.

5.3.4 Exces8ive moisture. Cables shall not be installed in locations wherethey may be subjected to excessive moisture. Where cable routing near firemains,water, steam, oil or other piping is unavoidable, dripproof sMelds shall beprovided for protection. Where cables must be installed in spaces subject toflooding, they shall be installed as high as practicable within the space. Insuch spaces, cable installation shall be arranged so as to petit the cables tobe painted.

5.3.5 Cables installed through submerged spacem and void$. ~bl~s thatwould normally be sub~rged, except for cables in the sonar dome, shall beenclosed in a single pipe in a manner almilar to that for cables-pas,aing through

tanks. Cable runs In voids and other dead air spaces shall be avoided. If itis not practicable to avoid cable runs in such spaces, cables shall be installed

‘%./’

—



“’%/’only in those spaces w-hich are not provided with a means for flooding, and thenonly when temperature calculations show that the spaces have sufficient radiationarea to maintain an ambient temperature at or below the temperature in whfch thecable was selected to operate. Cables shall be supported clear of decks and bulk-heads to avoid condensate which might form on such surfaces~

5.3.6 Cable installations in hazardous locations. Cable runs shall beavoided through hazardous spaces such as the following (except such cable runsthat terminate in or cannot be routed around these spaces):

‘L-

(a)

(b)

(c)(d)(e)(f)

(d(h)

Cables within

Compartments where hazardous materials are stowed, such asexplosive signaling apparatus, ready service ammunition,chemical.warfare materials , ph~tographic materials, film,

paint, compressed oxygen, chlorine and combustible gases.Diesel, JP-5, and fuel tanks and stowage compartments(stowage in separate tanks or containers).

Gasoline hazard areas.Hangar spaces.LOX (liquid oxygen) handling and transfer spaces.Magazines and other spaces where exposed powder is handledor stored.

Missile magazines.Warhead, depth charge, mine charge, aerial bomb and casedexplosives magazines.

hazardous spaces shall be protected against mechanical damage.This protection shall be in the form of nontight metal guards (expanded or solid)of sufficient strength to provide the required protection. Clearance shall beprovided between the protective guarde and the cables to provide ample ventila-tion. Protective guards shall be provided with” drainage” holee where required.Cables protected by the ship structure or by permanently installed equipment areconsidered adequately protected. only cables having conductor insulation of sili-cone rubber (except for interior communication and weapons control cables totallywithin the compartment) shall be used. Through cables shall be of unbroken lengthwithin compartments. Cables terminating at lighting fixtures or other equipmentshall be of broken lengths~ Separate cables to each lighting fixture are notrequired; a single cable may be run between fixtures where more than one fixtureis installed in a 8pace.

5.3.7 Channel rubber. Channel rubber shall “be used with banding strapsin cableways~ tolprotiect the outer jacket of cables from being cut and coaxialcables from ‘beingdeformed by the “banding strap. For cablewaya that haveunarmored cable in contact with banding straps, channel rubber is required onlyin the following instances: .

(a) For each banding strap of a vertical cableway.(b) For each banding strap at a cableway bend, including

breakout bends.(c) For rubber jacket and coaxial cables in contact with

the banding strap. These cables, however, should berun in the middle of the cableway for increasedmechanical protection.

(d) For submarine external cableways.

- ------ ------ ... ---- -“ --- -. . ..- -- p... . . . . . . . . v.-------- Asawun WA —.. ———- __ ________ _-------- _-



Where hose clamp cable retention devices are used, channel rubber is not required,except when coaxial cable would otherwise be in contact with the hose clamp cableretention device. ~or cablewaye that have only armored cables in contact withthe banding strap, channel rubber 16 not required.

5.4 Installation of propulsion system cables. Propulsion system cablesshall be installed in cableways separate from those used for other electricalsystem cables. Direct current or alternating current propulsion system cablesshall be arranged and installed in such manner as to minimize heating of adjacentstructural material by induced currents. Alternating current propulsion cablesinstalled on insulating hangers shall be grounded at approximately the midpointof the cable run. Propulsion system cables shall not be installed in bilges.When cables are located near dripping water,”or oil, they shall be protected bydrip covers. These protective covers shall be spaced away from the cables so asnot to restrict ventilation. Cables entering propulsion ~ystem equipment fromabove or from the sides shall enter through Btuffing tubes and shall be braced

and secured to prevent di810dgment under vibration, shock and magnetic stresses.The ends of propulsion system cable8 9,000 circular roils and larger shall besealed with solderlesa waterseal type lug terminals in accordance withHIL-T-16366.

5.5 Cable handling and stowage. All cables except flexing service and sili-cone rubber insulated type of KIL-C-915, MIL-C-24$43 and MIL-C-24640 shall begiven the following special handling at temperatures below 35 degrees Fahrenheit(*F):

(a)

(b)

(c)

(d)

(e)

(f)

‘d’If the compartment in which the cable is to be installedcappot,be heated, the cable shall first be stored in anambient t6snperature of at least SO*F but not above 120°Funtil it is warm enough to be completely installed beforeit cools to 35”F’.

If cable must be installed when its temperature is 35*F orlower, extra care will be required. The radius of bendsshall be not shorter than the minimum values In DDS 304-2.Before bending to the final radius, that portion of thecable comprising the bend shall be warmed thoroughly by aportable warm air blower.

Cable shall be stored in a dry place which is not subject “to accidental flooding, protected from the weather, andsubjected to a minimum variation of temperature.

Portable cableg for aircraft servicing shall be stowed inbins. IrIhangar bay areas, they shall be stowed on cableracks.

Cable that has been in storage for prolonged periods may beinstalled provided a visual inspection shows that it hassustained no ~chanical damage that would impair the water-tight integrity of its outer sheath.

Cable armor showing signs of corrosion”shall be cleaned anda coat of zinc-chromate primer applied to all corroded areas.


—

DOD-STD-2003-4(NAVY)24 June 1987

‘-+=----”5.6 Cable tags. All permanently installed cables shall be tagged to each

point of connection, and on both sides of decks and bulkheads except as follows:

(a) Where through cable runs within a compartment are direct (suchas a vertical. run between decks), a single tag will suffice.

(b) For cables with both points of connection within a compartmentand which can be readily traced, a single tag will sufficeo

(c) Where compartments are subdivided by internal bulkheads or wheremachinery or installed equipment makes tracking of cable runsdifficult, additional tags shall be provided.

(d) For multiple cable penetrations of decks and bulkheads (maincableways), individual cable tags can be omitted, .and in lieuthereof, an identification plate shall be installed adjacentto the cableway penetration area showing each cable designationin the order of location in the penetration area.

Cable tags shall be in accordance with DDS 305-1. Capital letters shall be usedon cable tags; height of all letters and numbers shall be not less than 3/16 inch$and letters and numbers shall be embossed to at least i/64 inch above the surface~

5.7 Cable hangers and supports. Cable hangers and supports shall meet the

following requirements.

(a)(b)

‘.~._- (c)(d)(e)(f)

(g)(h)(i)

(j)

(k)

MIL-S-901 shock.MIL-STD-167-1 vibration~Minimum weight.Minimum maintenance on cable supporting systems.Facilitate cabling procedures.Convenience of semicing system.Fireproof except in specific areas such as wooden ships.

Material used is non-toxic under all conditions.Free of sharp protrusions, corners, items, and so forth,dangerous to personnel.

Shall be designed to permit repair with local market items.It is not intended that extensive back-up stocks besupplied for item by item replacement~

Compatible with and non-damaging to cables.

5.7.1 Insulation spacer block. The use of insulation spacer blocks is

mandatory for propulsion system cables in order to prevent bunching-

5.7.2 Shock desi~. All cable supporting arrangements shall be tested for

resistance to shock and vibration. Deformation to supporting members and retain-ing members is satisfactory providing cables are prevented from becoming whips ormissiles and retainers, racks and supports do noc become missiles. Shock andvibration tests shall be conducted at an approVed laboratory. No mechanicaldamage shall occur to cable specimens, and insulation resistance shall complywith cable specifications before and after ,the testing. Copies of the shock test,

with details of any damage and clear photographs of the damage to cable supportsor cables, certified by the Government inspector witnessing the test shall be

warded to NAVSEA, Code 56224. Copies shall also be furnished to purchasing~.,aeiivities upon request. These tests shall be conducted by each manufacturer

— .-.— ——. ---- ---— - . . . . . _ _.


DoD-sTD-2o03-4 (NAVy)24 June 1987

w’,for each type hanger supplied. Retesting shall be required when design, manu-facturing process, or material is changed. Testing of a hanger with lesser tiers ‘xJ.:

or lesser dimensions and spacing shall not be extended or exempt from testing forother hangers. The cable supports when tested shall be loaded w$th maximumdesign cable load. Material is not satisfactory unless it has successfullypassed these tests. Shock tests shall be in accordance with MIL-S-901, class I.Cable supporting devices shall be arranged for testing as follows:

5.7.2.1 Multiple cable test racks (1S inches free length of cable support).If multiple cable rackB are being tested for ability of cable support member onlyto withstand shock and vibration as fully loaded, a minimum of three supportingstations with 32-inch, 21-inch or 16-inch spacing shall be provided. The maxi-mum number of ‘the largest cables that can be accommodated on these racks shall beapplied. Cable overhang at each end shall be 16 inches or one-half the distancebetween supports. If tiers of multiple cable racks and supporting devices forattachments to shipst structure are to be tested for capability to withstandshock and vibration, a duplicate of the assembly proposed for shipboard installa- dg:;tion with a minimum of three supporting stations with 32-inch, 21-inch or 16-inch nspacing shall be provided. The maximum number of the largest cables that can beaccommodated on these racks shall be applied. Cable overhang at each end shallbe 16 inches. .

5.7.2.2 Single cable supports. All single cable supports shall be tested.These shall be arranged using a minimum of three supporting stations spaced 32inches, 21 inches or 16 inches apart. Cable overhang shall be 16 inches. Maxi-mum size cables shall be mounted with these single cable supports. Two, threeor four cables supported as shown on figure 4C5, or by use of retainer bars orstraps, shall be arranged for tests in a manner similar to that for single cables.A single tier of cables shall be arranged ae described for multiple cable racks.

5*7.3 Installation.

5.7.3.1 Spacing. Spacing of steel and aluminum cable supports shall be 32inches except as follows:

(a) The spacing of hangers shall be 21 Inches to reduce cable sagin cable racks when headroom clearance under the cable racksbefore installation of cables is 6 feet 7 inches or less (6feet 4 inches minimum).

(b) Hangers for overhead multiple tier alumlnum cableways, whenwelded to aluminum decks, shall be spaced 16 inches and thenumber of tiers shall be limited to three.

(c) The-spacing of hanger eupports for single cables or singletier of cables shall be 32 inches but may be adjusted

between 32 inches and 16 inches as necessary to mlt parti-cular ship conditiou60

5.7.3.2 Cable racks. A maximum of five single tiers of cables may besupported from an overhead in one cable rack. Aluminum tiers ahailbe limltedto three. A maximum of two tiers of cables my be supported from bulkheads in

.-i.‘?.k$?’

“%9/.


DoD-sTD-2003-4 (NAVY)24 June 1987

L--’one cable rack. Eight tiers of double banked cables may lbe~~upported in main....4.,.,.cableways in machinery spaces and boiler rooms~ when appr~~ee. by NAVSEA. h ekingplates are not required for cable support except that wh~n,ib~lkheads are 1/16-inch thick or less and cable run is over 4 inch width,.bqc!ci~g washers shall beused. Multiple tiers of cable shall not exceed two on bulkheads except in con-gested locations, in which case 3 tiers may be used on request and ,subject toNAVSEA approval. Cable support angles shall be secured,.~o ship structure by 180degree weld except that in the following cases,

....,the weld~shall be 360 degrees:

...

(a) Where the number of tiers of 15-inch cable rowsin wireway exceeds two.

(b) When welding to ballistic structure. n(c) When the welds are in wet spaces,such as weather

decks or shower rooms.

5.7.3.2.1 Support components. Cable support components shall be of thefollowing materials:

Nonmagnetic vessels

Inboard Outboard

Hangers - aluminum Hanger8 - aluminumSupports - aluminum Supports - aluminumFerrules - CRES or aluminum Ferrules - CRESBolts and nuts - CRES or aluminum Bolts and nuts - CRES‘~-.-Banding - aluminum Banding - CRES

Other vessels

Inboard outboard

Hangers - aluminum or steel_L/ Hangers - alwninum or steel&/Supports - aluminum or steel Supports - aluminum or steelBolts and nuts - steel-zinc plated Bolts and nuts - CRESBanding - steel-zinc plated Banding - CRES

~/ If aluminum hangers or supports are being utilized, a steel hangeror support or both shall be installed in lie-u~f an aluminum hangeror support at least every 6 feet.

Appropriate method detailb specified as submarine onl’y:~ybe utilized for surfaceship applications, particularly for weather ,deck,,wet&@d areas, and hull appli-cations. Aluminum cable supports may be attached to,,a.teel.deck and bulkhead wheresuitable design and interface is approved. Cable hangers. shall be bracketed awayfrom deck and bulkhead surfaces in food handling and ~food}qjtoragespaces to permitspraying for insect control.

. . .. . — - — . —


tDOIHIW2003-4(NAVY)24 June 1987

I1

I

5.7.3.3 Double banking of cable.u

Not more than one row of cables shall beingtalled on a cable hanger. Where space is limited, and if specific approvalhas been obtained, double banking of cables on hangers will be permitted provided .the clearance between the top of the upper layer of cables and the hanger above -shall be at least 3/8 inch.

5.7.3.4 Cable retention. Devices for cable retention meeting the require-ments of 5.7 and 5.7.2 are required on horizontal cable supports in multiple racks.Retention of cables on supports can be accomplished by the use of retainers suchas contour straps, soft iron flat bars bent over the cables, semi-contour strapsor angle iron retainers. Non-toxic strips or channel material shall be used withsemi-contour straps, bars and angle retainers to reduce cable damage, distortion,

I and chafing.I On cable runs in which the cable is vertical, cable retention isrequired at every hanger.

(a) Cable retention spacing shall be as specified in 5.7.3.1.(b) Cable straps shall be omitted on horizontal cable runs

except as follows:

(1) Where the hanger has no side brackets.(2) At those locations where the cable rum change

direction or pass through beams or bulkheads.(3) mere four consecutive hangers would not require

straps. In this case, a minimum of one strapshall be installed on every fourth hanger.

u’5.7.3.5 Plastic sealer. After the cables are properly secured, plastic

sealer electrical insulation, HIL-I-3064, type HF, shall be used to seal the spacearound the cable as follows:

I

I(a) In cable clamps and bushings entering the top of an electrical

enclosure.(b) In bushings, collars or nipples used for passing cables through

lightight and fumetight bulkheads.

5.7.3.6 Weldin~. Welding shall be in accordance with MIL-STD-278.

5.7.3.7 Threaded fastener. Threaded fasteners shall be in accordance withthe General Specifications for Ships, Sections 075; for submarine antenna andmast material, see NAVSHIPS 0900-LP-016-6081. Unless otherwise specified,threaded fasteners of normally stocked lengths shall be used. Male threads onthreaded fasteners, after being installed and tightened, shall protrude at least ‘a

one thread beyond the top of the nut or plastic locking element. Excessive pro- ‘trusion shall be avoided, particularly where necessary clearances, accessibility, ~~~and safety are important. Where practicable, the number of threads protruding ,>

shall not exceed five; however, in no case shall thread protrusion exceed ten i

threads. Washers shall not be used for the sole purpose of lessening threadprotrusion.



“/

5.7.3.8 Collar studs. Collar studs shall be in accordance with MIL-S-24149.

5.7.4 Deadended cable. Cables installed through error or rendered uselessas a result of modifications shall be removed. Vacated and unused penetrationsshall be sealed by methods which satisfy the tightness requirements of the struc-ture penetrated.

6. NOTES

6.1 Intended use. This section specifies the requirements for Submarineand Surface Ship Cableways and Protection Methods to be employed both on surfaceships and submarines. Standard Methods identified for electric plant installa-.tion are intended for new construction only.

6.2 Designation of Electric Plant Installation Standard Methods figures.The Electric Plant Installation Standard Methods Military Standard(DOD-STD-2003-4) contains drawings that depict Standard Methods that are appli-cable for general electric plant installation on both surface ships and submarines~Each drawing has been assigned a figure number. The methods shown on the figuresare grouped together providing similar functions. These groups are:

DOD-STD-2003-4 (Cableways) Group A. Cableways (Submarines)B. Cableways (Surface Ships)c* Cableways (General)D. Cable Protection

The methods shown on the figures are identified by the following alphanumericdesignation system:

METHOD 4A142 4

~~~tMethod (always the last number)Sequential number (old sheet number)Group numberMilitary standard section 4

Thus , method 4A142 identifies method 2, sequential number 14 in group A ofDC)D-SlW2003-4 .

6.3 Subject term (key word) listin~.

Cableways (submarines)Cableways (surface ships)Cableways (general)Cable protection

Preparing activity:Navy - Sll(Project GDRQ-N066-4)

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- ‘TRIJCTlONS: h ● continuing effort to make our standardization ckxwmenta betbr, the DoD protides this form for uae in

.+.kittingcomments and mggeotions for irnprovernenb.‘. All uaera of military sts.ndardi.+tion ,documenta are invited to provid.

)ggations. ‘IIda form may be detached, folded along the lines indicat4 taped along the,!- mice (DO NOT S7’APU), and

uhci. In block 6, be m specific se P-Me ●bout ParticuIM problem area SUd u wording which, ~~uimd, in@rpretstkm, wastoo rigid, restrictive, 1-, ambipous, or - incompatible, and gi?e Propoeed wording changes whkh would alleviate theproblemw. Enter in blcxk 6 any rernarh not related to ● specific paragraph of the document. If block 7 u filled out, an

acknowledgement will be mailed to you within 90 days to let you know thatyour comrnenti wem received and are being

considered.

NOTE: ‘I’his form may not be used to request copies of documen~, nor to request waivers, deviations, or clarification ofspecification requirement on current contracts. Comments submitted on this form do not constitu~ or imply authorization

to waive any portion of the referenced document(t) or to amend contractual requirements.

(Fold dOtt# thb h8)

(Fold along this line)

DEPARTMENT OF THE NAVY

OMMANDER

AVAL SEA SYSTEMS COMMAND ( SEA 5523)EPARTMENT OF THE NAVY

ASHI~GTON, DC 20362 -s1o1

111111OFFktAL OUWNE=●ENALTV FOR ●RIVATE USE $3W I BUSINESS REPLY MAIL I

FIRST CLASS PERMIT NO. 12S03 WASHINGTON O CI 4

POSAGE WILL BE PAID BY THE DEPARTMENT OF THE’fUAVY

COMMANDER

NAVAL SEA SYSTEMS COMMAND ( SEA 5523)DEPARTMENT OF THE NAVY

WASHINGTON , DC 20362-5101

IINO POSTAOCN6cws4nvIF MA! LED

IN THEUNITED SIAT~S

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