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FAMILY SIIELTER SERIES PSD F-6I-BBelowground New Construc-tion CIay Masonry Shelter

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GENERAL INFORMATIONThis sheltorwill provide protection against theeffects of radioactive fallo'ut. It can also.protectfrom limited blasL overpressures. The shelter islocated belowground outsicle a house but is reached

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from the basement. Its principal ad.vantages arsin flexibility of shape and design to conform tothe houss design and in the use of materia,ls thattie in with the new construsbion of, a house. Be'cause of the headroom and. interiorspace the shel-tercanbeused forofher purposes. ,

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Exhaa s t' Brick -Grade A, 'TM.W C.6Z

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Proofivilh ? rcals of asVtto/l ,NOTE:Ecmove pryl.cag.fornatura/ vnfl/afra,whtn she//er is 2p/in use. Eep/ace ce,owhen l/owe r is /o'leopera le d.

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,TECHNICAL SUMMARYSpace and Occupancy.-Tho shelter in this de-sign has over ?0 soallare feet of 'area and 420 cubicfeet of space. It will provide occlrp&ncy for sixPetsorls.Availability and Cost of Materials.-St.ructuraiclay masonry units, brick, and structui'nl tile areavailable at your local building materials sup-plier. Cost of the materials and ecluipment forthe basic shelter is estimated at $300 to $.350. La-bor cost should rrln approximately $250 to $300rvhen performed as part of nerv house construction.Fallout Frotection Factor.-The protection factorfor a sholter of this type is over 1000.Blast Frotection.-1'his shelter hls a structural

blast resist ance of 5-pounds-per-scluare-inch over-ptesslrI.e,Ventilation.-Ventilation equiprnent and pipe arerequired. A hand-operated blower shouid be-*pecified to furnish at leas'u 20 cuJric feet of air perminrite. 'Ihe air is exhaust.ed through a separateven tpipe.Construction Time.-A home-construction proj-ect that includes this shelter rvill not require ad-ditional trades or crafts not already on the project.Tho tirne for construction of this shelter could in-cl'ease normal house construction time by a fen'

-clays.Structural Life Expectancy.-Assuming llorlnalconstruction practices, this structule, lvith a mini-mum of maintenance, should last more than 30years.

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CONSTRUCTIONNo constrrrction soouence is

BILL OF MATERIALSItentRoof :8" x 72" x 72" structural clay tile ASTM-C5?-gradeF'TI.Steel reinforcing, No. 6 defonned bars 7'6" length,ASTM-A-15-Straight.Stesl reinforcing, No. ? deformed bars 10' length,bent up and hooked ASTM-A-15.Concrete, minimum 3,000 pounds per squar6 inch------\4rails:Brick, standard size (?P/u" x 4" x 8") ASTM-C62-grad.e S'W.Anchors ('7/n" xt" x4") steel------

Mortar (7-y4-gs/4 cement-lime-sand)tr'loor:Tilo (4" x 12" x t2") structural clay ASTM-Cl7-grade X-TI.Concrete, minimum 3,000 pounds per square inch------tr'ootings:Concrete, minimum 3,000 pounds por square inch-------Steel reinforcing, No. 4 reinforcing bars ASTM-A15--Miscellaneous:Parge tr/4-3s/4 mortar AS TM-C2?0-Type M- - - - - - - -AsphaltBlower (at least 20-cubic-feet-per-minute rating) -----Mounting bracket, blower-- --fntake and exhaust ventpipe, 3" steel (sufrcient forboth intake and vent pipes).tr'ittings:Ells 3" steel-------Tees 3" steel-------Vontpipe cap-------tr'lyscreen 7" x7" (for vent and intake pipes)

because the work would probably be supervisod bya contractor familia,r with new construction.

Quunti,ty72 pieces.10 pieces.10 pieces.1.5 cubio yards.3,800 pieces.4.65 cubic feet.96 pieces.0.? cubic yard.1.0 cubic yard.68 linear foet.8 cubic fset.5 gallons.1.1.16 linear feet.2.1.1.g.

SEQUENCEgiven for this shelter

30 U.S. GOVSRilMENT ?AllrlNc OFtICE: lt62