REDWOOD GENERAL UTILITY BARN UNIT SYSTEM OF CONSTRUCTION

2a6-ro STRuT

Z i l l+2,4\\ (WHtPE ALLTYWITH LOFT ovER l5 lwAnreo, 5noR7ENl sTRUrAnolPRovroE losl fidT f N barns of gre at length, and in the warmcr clir.natcs. it I is sometimcs tlesired to break the roof at thc sides of the hay to sccurc ventilation. This is readily done either b1' increasing height of posts at sides of ha1' or b1- decreasing pitch of roof ovcr sheds, carrfing upper erd of shed rafters on a ribbon similar to that sl.rorvn at "C." rf\HERE is roorn in 16-ft. rring for a fe,.d allel'betrveen I stanchions and hal', but for a -1 to 5-ft. allel', rvith adequate allou.ances cises'here, rvings are rnade 18 ft. (and sometimcs rr'itler) alNE of tl-re fir.t rcrluisitcs of a good barn location is a \-2, rvell drain,'d soil. To olrtain tlre grcat('st corrvcr:ienc.. at the lolvest possiblc cost either choose a conrparativcll' level sitc, or gradc and levcl to avoid cxpcnsive foundations ar.rd underpinning. rff HF-R1: arc Vari(,us rrean: of trussing and bracing lvalls I of hav bav to take thc thrust of a loaded morv but nonc so sati-ifactor)- as actual tics across the barn.

Shed roofecl clormers s'itl.r louvres arc somrtirrrcs provided over purlin '8." These give additional ventilation in rvings. A <lormcr similar in extcrior appearance is illustrated in Figs. 1 and 3, Bulletin 16.

In the colder climates it is necessarl' to board up, or ceil the rvalls betrveen hay ancl shecls. This js often boarded up a ferv fcct in hcight in anf irrstancr. Battens on exterior arc seldom used in milder climatcs.

Bv the addition of cciling joists bctwren the tics at each of the shed posts, r'aluablc storagc space for strarv loft, etc. may be gained.

I-ocate the barn to secure maximum sunlight in thc trvo sheds. Avoid placing it in line with prei'ailing u'incls to carry flies and odors either toward dw'cllings or milk house.

The above is the fourth of thc series ol ugricultural bullcths lional aalue to our readers we are publishin,g by arrangement utitlr F rancisco.

A\ " l,a.i. r,f .ill cu. it. to the ttrn for scttlcd ha1', this \-rl hlrrr h:r. a capacitl'of {-i tons. I:iguring i corvs to each 10 fret of shed. it *ill acconrnrodate 12 co\\'s on rither sirie. -{ilorving l:-ton per co\\' per nronth it rvill barn f etrl 12 con s f or -i nronths in onc rving, leaving 15 tons for voung stock, horsts. ctc., in the other.

--\llorvirrg 17(i cu. ft. of chopped hav to the ton (rvith adrlitional bracing ) it * ould irar-e a maxirnurn capacity of 12-i tons.

\otc that the ?'x 12" ties acro:s the ha1'are bolted sith tuo bolts at each end and art rvell spiked to struts ruutlcr purlins. thus rcducing the actual sl)an to approxirrratelr' 17 fcct. Thtrr is strffrcirnt clearance orcr these trcs f or irav tork u rth llad. (See ^\lso I:ie. i).

H"r' ."rri"l. 1r;rcl^,- ar)(l ltarrgUr: can nlost .co,romically ancl bcst be installrcl <luring c.rrtstruction and before roof shcathing is laid.

2" x 8" ridgc ('lir'to 20'lcngth suggcsted) is desirable at hood end and rvhcrcas it is not nr'eded for balance of barn it is suggested. to avoi<i the ncccssitv othcr*'ise of cutting tn'o tlitTtrrnt lcngth-. of raitcrs ovrr har'.

.{t slight additional cost. hood ilra1'be duplicatcd at rear oi baru. \ote that cncl posts and ties are franred to accornnrodate rioors at eithcr end. lSee also Iiig. 3 and 5). and sttpl,ltntentdr ' trdde htlps,'t;'hiclt by reosort ol tltcir educathe Calilornio Redt;.'ood .lssocirtion, 21 Calif ornfu Street, Son