NlO. tl

No. 2. JUL y 19S2

AluinumHouehld Effect71 Shippng Containe

PROTE cT, 0;4. .~ 4 S ..................MAGE

MAR 10 1967

ELIM iNA TE I N y,

A c NGIN MARKIN(

1!I FFER REND CO ST___ __ _ __ _

Uj.S. Naa SUjP PL Y 14

Bayo~* Nw Jrsey

ESEAHIK AND DEVEIWPWNT ....VISIONMEW OF SUPPLIES AND ACCOUNTS

WASHINCTON, D.C-

TEC"INiCAL 1HPRT REVIEW

"MALUATION OF AN EXnEDENTAL COLLAYSILALUMINUM HOUSEHOID EFFECTS CONTAINER"

Engineering Report #2. 2o2o25h29 December 1950

underProject No. NTO03016

APPIEVAL: Report A4roved 12 March 1951

SECURITY Distribution of thi d6cTfhii•m•!~CATION: UNCLASSIFIED -= unlimited.

DISTRIBUTION: In accordance with the attached approved distributionlist.

104ARKS: This technical report review is inserted as the firstpage of the subject report as an integral part thereof,

No data, discussions or recommendationr included inthis research and developmert report or te/hnimcalreport review shall be construed as indi-atmng acurlmnt or anticipated future operating policy of theBureau of Supplies and Accounts or the Navy Deparcment.

/s/ J. H. TAYLOR, Jr.Commander, (SC), USNDirector, Research and Development DivisionBy direction of the Chief of Bureau

SI

F•8 ly 3ier1ing Divijion* uS, ftel Supply lbearch and Develoyient Facility

Naval Supply Depot[ kyomo,, New JrSnyI

[ SPJ3CT CMEU - T-00-016PHDJECT 3POW - 2.20202%1

F,VALUATION OF Al EXPVEIENTAL COLLUPSINJ'F,.SM HOUSEHOLD ZECTS OOrTAfI

A I30UM hTION: CkJNindA Itr to OIC, USSISN), B$yWJ, file S-82

(]R:el)S-30-3(lO), dtd 26 July 1950

PUPOS: .,To evaluate the performance of q Collapsl.ble

Alwumu Household Container manufactured by

Northwest Consolidators, 402 Iaan Building,

Seattle 4, Wasbington, and determine its ac-

mcptability for Navy use.

I

GON=SION: 1. The aluminum household container is strac-

Utrally sound.

2. The load capacity may 'e safely increased

fro thse rat-'d 1800 lbs. (7.5 lbs. per cuft.)

t 13700 lb. (15 lbe.. per cpft.)s

-3. Tb. sling hooko (liftin~g lugp) are inadequate

and should not be used for handling purposes.

----- --- 1

4. Prolonged exposure to a--ther or salt spray

should be avoided.

5. The roof design precludes tiering of

containers.

2

flM2RMDUCTION

Sbe Bureau of Supplies and Accounts procured an experimental lot

* [ of thirty (30) Collapsible Aluzinum Household Effects Containers,j

2 4, Containers to Naval Supply Center., Oakland, California

5 Containers to Naval Supply Depot. Seattle, Washington

I Container to U.S. Naval S,•ply Research and Development

Facility., Bayonne., Now Jersey

TM. experimental container -as subjected to a series of accele-

Srated laboratory and fieV tests, designed to s imulate all possible

hazards that the container may encounter during warehousing, steve-

doring, and transportation operations. The conclusions and recul-

mendations in this report are based on the results of these tests.

Field activities have been requested to sub1it operational

usage data on each contair-r in act ial use. When sufficient data

is accu-l&2, it will be evaluateci and incorporated in a final

I report.

-!!

1!-i p

IP

photo N09. NO- USNSRD? 535-55

ASSD4PLD UNIT

Overall Dimensions -96-1120 x 71" x 78" high

Shi-,pirng Cubs - 310 Cubic Feet

Clear Irmide Dimenmions - 910 x 66" x 71-1f)40 high

Cargo Cubs P ?43 Cubic f~et

Tar, Weight -535 lbe.

Skid Height - 40

Ausembly Time - 1. 5 Man hours

Disassemnbly Time - 101 Man hours

Pht e.No SSr

i-OKONUI

I'ealDmnin " 10x70x1- )

iYvro 1l wi th t'ons 96-1/2"ion x '7 deep an wit7-a1/2c'

mhit is Cumeble - i~ 31195 C16i N..ste uteet -:)+

Floor Section - Double alumlnin corrugated sheets riveted -erpen-

dicular to each other, lower aheet - .064" thicki, jpper sheet - .032"

thick. Loose 3/8" plywood sheet -s placed within to act as flooring.

Side Sections - Double alJuidnum corrugated shae'%s, .032" thick,

riveted perpendicular to each o-' her.

Roof Section - 3/16" aluminum plate riveted to .032" corrug-st

aluminum sheet.

Framing - All framing members are made of aluminum extrusions

and have the following shapes:

Floor Framing 1-1/4" x 2" x 1-I/h" x 3/16" Z Section

Come- Posts 1-1/4" x 2" x I-1/4" x 3/16" Z Section

Roof Framing I " x -!/" x 1/81 angle

Side Panel Framing - i-V4" x i-I/h" x 1/80 angle

Skids - Two 4" x 2.66" structural aluainrin I beam with 10" x

2'-1/2" openings for fork trucks.

S14A Hooks - Four 1" eye bolts, 3/8' shank, h lted •o floor

fr mbers.

6

_- $.

KMC~ID OF' TWT

1. DetermJn&tirn of Characteristics

I a. W ht and Cube

I The container was weighed and all pertinent dimennion taken to

asce-tain the shipping and cargo cube of tte container when fully as-

sembled, as well as the shipping cube when the container is knockdown.

b. Tim required for Assembly and Disassembl

I T1e container was assembled and disassembled by two ren using

9/16" box wrenchl-cs. 'Ie assembly time inc1 uded the unbolting of the

roof from the lower side panels and coVlete erection of the unit.

T Similarly, the disassembly time inclkx~ed the co-lete dismantling of

the unit, placing the upper side panels into the lower section, and

* bolting the roof on the lower side panels.

" 2. Wather Resistance Test

.To simulate a heavy rain, the .A 3 9;- su:bjected to a water

soray fr- a 11/2" fire ',ose eq-ippep wt a fog nozzle. The spray was

Sdirected at the test unit from various directions and angles for ;ý peiod

of thirty -rinutes. At the conclusion of the test, a side pane! map re-

moved andr the interior of the u-nit was examined for evidence -ci wabtar

en v.

7

3. Load Test

The container was loaded to its rated capacity of 1800 ]bs. with a

well balanced load so that shifting was held to a mini=26 The deflection

in the floor section was then detenrind.,

4. Handling Test

a. The loaded container was lifted with a &YX lb. fork truck and

transported approxdmately 50 feet, Ease of entry of L'?• into ooenings

in skids was noted.

b. Two -4re slings were placed arir tne floor of the container ad-

jacent to the skids. The loaded -,--t was then lifted by a crane. Re-

sistarnce of the bottom, edges of the container to crushing was noted.

c. The conta>rr was placed on 6" vood ro'llers. The test unit was

r-oved apProximrte1y ýj ft. mn -hese r•'"ers. Particular attention was

Daid to tUe deflection of the skids at the fork truck openings.

S:es__t

CO skidd of the t-st unit was 7laced on a 6" x P" timber approximately

8 feet long. The other !iie of tiv contairrr waz lIft,5d byv fork trank ad

a 4" x 4' x 18" block was -1aed verticaliv unr one corner. T con-

tanner was exaLne'4 in th's position and aony u-.cte ef"ection or wrackling

noted. The '•* x x 16 ock was then o frvm uý-nr uLit

*a~zLeg this conta!Ler to strike the pavement with a fall o 18". This

I opraition was rapeated by placing the block under each of the four cor-

z r ~cessivoly, and then repeated again using 4 h" x 41 x 24* block.

iAt the oonciusin of the test the floor was examined for further deflection.

II 6. Stoveorinw Test

a. Thiim test was debignod to determine the suitability of the con-

talner for stevedoring operations. It was exposed to simulated condi-

tionG *wich might be encouztered due to faulty cargo handling equipwnt,

improper operation b;• personnel, or unavoidable circumstances when teing

'loaded on or unloaded from cargo ships. The test was divided into three

parts.

(1) Sub Test - The loaded container was lifted approzxi-

mataly 25 ft. above the ground by a crane equipped with wire Plings.

Thet b'ake of the crane was released and the container lowered at full

i sped until it reached a point. approximately 5 feet above ground. At

thlat ti:ne, the brake was -Applied suddenly and the load brough -to z

quick halt. This test was repeated twice.

(2) E Test - The loaded container was lifted by a

crane equipped with slings to a print 18 " above the ground. The br',vg

* of the cr•ae was released and the test unit dropped freely with the skids

striking the concrete pavement squarely. ThICs operation was repeated a

ieccnd time with the container falling freely from a point 24" above the

ground.

(3) 2 Test - To simulate a container striking the ship'i

side during hoisting and loading operatior. , tue test unit was held by a

crane approx-Jmateky one foot abo-e the ground next to a substantially

solid vall, The container was pulled away fxvm the wall a distance of

npprorimately 10 feet with a cable attached to a fork track and eq7,Appd

with a quick release mechaisdm The release aichanisbi was activated and

the container was allowed to strike the wall squarely on a sido panel.

The operrMJon was repmated and the container so held that it struck the

wall squkrely at a corner.

At the conclusicn of these tests, the container was ermined for

f'loor dffleztion and other damage. It was dismantled to determine ease

of disassembly.

A -L25% o7er~lad was adde6., making a total load of 4hOQ lbs, in

the Ist 'nnt, and tests No. 3 tbiough 6 inclunive were rmpeated. At

tha conclusion df the second serizs of testas, the corntainer was ri-

examined and -gain disassembled and assembled.

MWMY ýF TEST WULTS

1. A and Disassembly

Initial assembly of the Coll-psible Aluminum Household Effects

Container disclosed that fti're ••lt holes did not line up. These holes

10

lere enlarged in order that the container could be fully assembled.

Bolting the upper and lower side panels together was awkward and time

cons1x.ng due to the mall clearance around the bolt heads. These

bolts are located between the aluminum corrugations and it is necessary

to use 9/16" box wrenches to effectively turn them. Even then, the

bolts can only be turned less than 90 degress at one time.

2. Weather uesistance

The weatber resistance test disclosed that a small amount of wter

seeped in between the horizontal angles connecting the upper and lower

side panels. This condition is undesirable if the loaded contaLler is

to be exposed to the e)ements for any practical lengh! of tim.

3. Load Test

There was no appreciable deflection in the f'loor of the container

when it was loaded, as rated, with 1.800 lbs. When the load was in-

creased to 4000 lbs., the mnaximum deflection in the floor was approxi-

mately 1/' 4". This deflection is not excessive and the aluminum corru-

gations were not stressed beyond their elastic limit.

4. Handli

The lifting lugs, or sling hooks for this container consist of four

1" eye bolts with 3/8" shanks bolted to thefloor framing sections. They

could not be tested since one was torn off the container during transit

frcm the west coast and another so weakened that it snapped when a

slight force was applied to it. In lieu of the lifting lugs, two vire

slings were placed under the container, parallel and adjacent to the

skids, and the unit was then lifted ty a crane. In addition to being

lifted by a crane, the Handling Test indicated the loaded unit can be

readily handled by a fork track or moved a short distance as into the

wings of a ship by wooden rollers.

5. R~o2 and Steve doring

The container when loaded either with 1800 Ibs. or 4000 Ibs. with-

stocd the Edge Drop Test and Stevedoring Tests in an excellent manzer.

Th" unit was slightly damaged during these tests. The damage consisted

of minor deformation of corrugations, bending of roof corner, etc., and

did not impair the further utilization of the container.

At the conclusion of the tests the container was discAwsembled, un-

loaded, inepected, and reassembled again wIt~hout too wuch difficulty.

Only one bolt could not be replaced.

CONCLUSIONS AND RECOMENDATIONS

The tests to which the container was subjected indicate that it is

structurally sound. The manufacturer's rated load of 1800 lbs. equals

12

approximately 7.5 Tbe, per cubic foot. This is a low capcity rating.

Since the container is structurally sound and successfully withstood the

took& with a 4000 1,,. I , it is recommended that the rated capacity of

this coitainer be increased to 15 lbs. per cubic foot or 3700 lbs.

MI Thw eye bolt "sling hooks" are inadequate for lifting the container

with a crane and should not be azed for that purpose. Instead two wire

I slings should be placed under the container parallel and adjacent to the

skids when the unit is to be lifted with a crane. The present sling

hooks might be used to secure the unit to-thedck of a truck, railway

car or ship

No means are ptovided in the interior of the container to fasten

household articles to the floor or sides. It is recommended that eitheske

bars be welded to the interior corrugations of the side panels or some

other means be provided to secure household articles within the container.

This will require that one side panel. be designated and so stenciled that

it be the last panel bolted to the loaded container and the first panel

unbolted when the container is to be unloaded.

If it is anticipated that the containers will be exposed to the

Selements for appreciable lengths of time, it is reco•mended that z

Sthin gasket be secured to the 'ower framing angle of the upper side

panels. This will provide a tight horizontal joint between side panels,

Iand eliminate water frm entering along that joint. If, how-ver, tht-

1 13

anticipated usage of the container is suo1 that it wila seldom be ex-

posed to the elements, the mesther resistance, as presently constructed,

is sufficient.

The roof design of the container is 3uch -hat i+ precludas tiering

of the containers, one on another, or placing of h avy leads on the roof.

14

I [ProiOct Group NT-OO3o01w" Pro ect Report 22020254 Authorization SE-52-15

e.S.NaI l Suppy Rs•rouseh ode e fpenst Fontainer

SI'I

[,

. ~SUPPLY IENGINaEKING DIVISION/;. U.S.Naval Supply Research & Development Facility

Novel Supply Depot Bayonne, N.J.

RESEARCH AND DEVELOPMENT DIVISIONBUREAU OF SUPPLIES AND ACCOUNTS

WASHINGTr'I, D.C.

TECHNICAL REPORT REVIEW

"ADDENDUM TO EVALJATION OF AN EXPERGIENTAL COLLAPSIBLEALUýMINUM HOUSEHOLD EFFECTS CONTAINER"

PROJECT GROUP - NTOO3-016(a)AUTHORIZATION - SE52-15

PROJECT REMW - 20251;

APPRVAL: Report Approved 1 April 1952

SECURITYCIIMTCATION: U1CIASSIFIED

DISTI1[UTION: In accordance with the attach d approved distributionlist.

REMAILKS: This technical report review is inserted as the firstpage of the subject report as an integral partthereof.

No data, discussions or recommendations included inthb s research and development report or technicalreport review shall be construed as indicating acurrent or anticipated future operating policy ofthe Bureau of Supplies and Accounts or the NavyDepartment.

iJ.H. TAYWR JR.Comnander, (SC) USNDirector, Research and Development Divi ,ionBy direction of the Chief of Bureau

SUPPLY ENGINEERING DIVISIONSU.S. NAVAL SUPPLY RESEARCH & DEVELOPMENT FACILITY

Naval Supply DepotBs'onne, N. J.

.P)JWECT GROUP - NT003-016(a)AUTHORIZATION - SE52-15

- PROJECT HEPOT - 2.2o2o25

ADDL"DUM TO EVALUATION OF AN EXPERI2MEIAL

COLLAPSIBLE ALUrhIUM HOUSEHOLD EFFECTS CONTAINER

AUTHORIZATION: ChBuSandA ltr to OinC, USNSRDF, Bay, No J.,File OW-.3 Al1/3 dtd 23 July 1951

PURPOSE: Summation and evaluation of field reports endrecomnendationcs, to determine modifications formaximum utility of the container in the trwis-portation cf household effects.

CONCLUSION: Minor modification and reinforcement usingsimilar materials will pe=.it conformance torecommendations received in field servicereports.

SUMMATION OF FI=ELD IEEPOS

1. Twenty-nine oontainers were distributed about October 1950 to the

Naval Supply Center, Oakland, and the Naval Supply Depot, Seattle,

to be used in normal trw~sportation of household effects by comon

carrier. The using facilities were furnished forms and requested

to supply data for field service evaluation and compilation by

NSEDF.

2. Fifty-nine separate reports have beer, received to date covering

twenty-seven of the containers, two nave yet to be heard from,

while the thirtieth is on hand in the laboratory, +,o be held for

further developnent work.

3. Seventeen separate suggestions have been tabulated with frequency

--f mention as zhowr in Table A:

Number ofTABLE A iecomwendations

Additional s•ipport req'uired on bottom fo: 5protection .Z'-<nst the forks,

A netal or pwo• d plaauo to be prorv4ded forstenciling 21r attaching shipping identificationand codes.

Stronger boltiLng or fastening on the opening Lside. lI sý,e coses th÷• threas stri dunder Ioad.

Povide int-rior 'Ittings to permit eit.-x•,- 2and bracing of a part load. These could b-straps, bzas, stri eyes or eve bolts.

Proride additionzl bracir•g for th. top to 2support a load.

Number ofTABIZ A camendatio

Ftrnish a third skid in the center for 2additional protection of the bottom%gainmt damage by fork trucks*

Top psiel should be furnished in heavier 2gwige to resist cutting by sharp top loadso

Provide lereling blocks under flooring to 2prevent springing, so that bolting will be

Use stanird thread so that the bolts are 1e1iy replaceable from stock bins.

Place recessed handle- in panels to eliminate 1handling hazard in assembly and disassembly.

The bottom portion of the front panel should Ibe a permanent part of the base to pre -itmiB alignment.

'Boltingw on front panel should be reversed so 1that vibration w.4ll not loosen the bolts anddrop them ou-t.

Use standard nuts and bolts through drilled holes 1instead of bolts in tapped holes.

Develop a larger size contarer c3abDe of carry- 1ing 3 or h rocro, this container was called a1! to 2 room rize.

Attach bolts by a short ieth of chain. 1

Furnish a sTlq c='t-_iner for excess bolts whennot in use.

?18-e a 7ad eve on each corner c f the toc sc that Iwire straps m,- be :u through utwle ,o-iOdng -Idunlosd'Lng on shi`bDard.

. T'-enty-1-•ve of '-" r.orta chara-tri•zed the crntaijners a either

stisfactory., good cr exe .ent. 7.w-ty-fiTe of the reports 7,ade no

soeci.i. coent, orny IL -n . "

I

5.Some selected coumments:

1.On container #3, TIAS., Pensacola, conlidered the aluminimn con-m

taimers more satils. actory- tharu ply'wood which are frequeontly

9 reae!'red fron overseas in poor condition, ie., the bottom

pulled out and exposing the contents. Out of eve.ry fifty

plywood conta~iners recedved at Pensacola, approxiLmatelv one

is reusable.

2. on container #5., N, Y, ligval S-hipyard., Brooklyn,, aatiznates

most si"n.of household effects irithin continental

Ljni*rd States are 1b, mroving van. 11,refore these containers

were recormended for overseaB shipnents and consigned only

to naval ctiv-itias for use in return sh1nme-t.ta

3. On container #24~, ' :orfolk advises the top w3-s dmaged),

ieone Ioot long cut apparent> -v made bya sharp inetru-

4-~ r 7-'uZ. hrae ýT, -rte:-t it. 74I-fertve on thi-s

b ox- car. shi--enrýt1 hcrweve.:, --a cti was recprteci mlssing,,

the ec~dshin :,r Lnx-cde or-tin-cyhesv'.th

coritents.

:nwas aherv reto-t of d.-'no o the conternts

6.The fc1o~. -i-nfa Lrs ar'ý- ap,14ed tLo the dlesign,- of -'.he coil-

taire-r to, =70xKa-te t1hu -re ~~e~ ~iictos cotn-

W"- 4 a.- -[r- I, aS. a W1~CL3

K; ~~n-sti~ew~. Ibr~~s:~ n

-k to.ccrb~ ~tztn ~ fo, ro

42 A .06h aluminum plaque 189 x 24w placed on ori. long pnel to

permit marking with shi~p.'ng identification mid oodea.

3. Bolt specifications changed to '/116 - 14 NC for increased

I strength, and one hole per fastening elongated to allm for

inaccur&cles in dr-lling.

4h. Two vtr!ical aluminiam straps, is x I/8', per side, from top

to bottom to permit tie-dcn of the load.

1. An additional corugation adued tc the roof, be v and at

j right angles to the pre#eAt corrugation.

6. Top panel riat sheet increased to *C64v alum.nuio

7. Two rope handles per panel recessed withiz coitaugations to

permit ,sfa handling of panels.

8. An open top .0329 a-umtinum bc. 3u x Is x 3?" placed

one corner to hold excess bolts (a~d nuts) when disassembled.

7. The modification of this cox'tainer for overseas tr•sportation

woiLd requirC, as a minýman, attention to redezign and strongthen-

ing the uit for tie-Ling or loading nn lop, and proviion for

lifting, such as sling hookm or eyes, or somw ty-pe of lifting lug.

At present., NL•RDF ha a sub-project NT1-6-Ol6(a) to d-evelop a

similar container quitable for (verseas are,

8. The containers were intended for movements within the continer+.al

Uaited States. However, nine of the containers did manage to move

I v/ •ea tr-"'sportation° These were:

#6 from Norfolk to Puerto Rico

#0 from Oakland to Pearl Harbor

#-1, 16, 17 from. Oakland to Fray 564

28 from San Diego to Norfolk (via LST)

#20 d from NorfoLk to Guantsiamo Bay and return

#2 9 from Norfolk to Guantanrwo Bq

9. (a) Appended is a shipi*nt histoz7 by container number, date,

detinati.on, weight and carrier.

(b) The revised drming is appended.

i0c' Di;ýu= Lon

The .O649 sheet under the bottom between the skids was considered

necessary for protection against scuffuing. Several pictures were

furnished by uaing facilities showing gouging and 6cuffing from

forks. It vas noted in the laboratoiry test container that fifteen

rivets in the bottom had failed around the corners. This occurred

because the I beam skids were cut 12 inchee too short on each end,

and therefore did not vapport the Z bem4 fraie around the bottom.

Thiý was a deviation from the draring, which called for the skids

to be brought oAt right t0) the eie of the container and therefore

suppolting the Z beam and the entire 1anel load.

The marking pl-ue sho-Id also assist in indicating the front. for

loqdLng and u,-W3:g.

Bolting size was increased from 3/8" - 16 NC ti 7/!6" - 14 No to

scczznmodete requej÷s for stionger bolting. Some reports stated

that threa&s stripped under load when closing container. Rri-

dentll the mating surfaces -iere drawr together and one or two

6

turns taken by hand on the lults, and upon releasing the load the

t hbreads stripped* This cordition was probably aggrared by the

fact that the bolting was not as originally specified,, 3/8" -

2h 4NF being furnished instesd of 3/8' - 16 NC, in which case each

individual bolt thread wa weakere

The heavier roof sheet and the extra roof corrugation were uoL-

sidered desirable for increased durability, should the carrier

at~tert to use the cube abuvs the container.

After the initial assembly by Oakland and Seattle., we have no

further reports on asembly and disassembly, mad conclude the

containers were not shipped collapsed.

Appendix: (a) Sh:ipment isitory

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