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<br /> _ GENERAL NOTE.? PELTIER, ROAD
<br /> .. SKEWED PARA ' TS ono INDEX f,L6 YEAR :Me!r rare
<br /> } DESIGN NOTES LocAT/+CSN NOTES CONT'D skew i Iona a L-r wso � �a 34
<br /> h
<br /> Angle Spar 3 5 s ! e ,/0 1/2
<br /> I'll ; . SPECIFICATIONS: A.A.S.K.0 dated /953 with subsequent mod- C3ES/GNATION: Shaw an plans as Span x Her ht-Siren th �Closstfico/inn- t °
<br /> Ifications and 5ridge liepor tment Supplement dated 195.E. Gose x L ength. thus 4x 4 A ffix 60, followed by a.ternatr ves.
<br /> 6 L GADS: L ive Load- ore H2O-SIE -44 truck with 30 impact for .L TERNAT/VESd Invert will be sloped unless Trapezoidal Invert y Flat frvert or ?fit �n 4 g ,:;t
<br /> p 9 g p g
<br /> z ol! cover depths. Nc lec,t live toad when on sin !e spans cover V-Invert rs Included in dear, notion, Ends of cu/vertrrlll beroaanded unless r;�ti^
<br /> !b U
<br /> p P p "Square g p
<br /> «. '^ , <., r ,� h'G' r ndlmber'S Jena>E" nominal diameters of --
<br /> ,Y Is more than &' and exceeds span or on multi !e s an,� cover Soars Ends. ore dear Hated. Parapet on cu/veru witi` over .2 cover will be II ° ° �- re . �_�, 6 *6��.r ;� '
<br /> t u :: /:...:._ 5 �NG Ort rt7G'nd tJ oils !n elt 3 " d #
<br /> exceeds distar ce between faces of exterior walls Culverts I-0 unless ____ ft paropet is designated. Such de:ngnotlons may be s.-:k ,3 3 s ;3 . ;i yhths G,f an loch, Isar = /4 1 r
<br /> _ t _,;_L__.. -
<br /> - at grade treated os bridge, with wheel load on invert slab different for inlet and outlet ends. ii C' 45° 4 Haopa� I�' r Jrs. Leith al culvert
<br /> _
<br /> ` , distributed over T O` transversely end breadth of culvert 041ANr1r1Eu.' Quantities are for estimating only. They are for the alternots z / _J_
<br /> ` longitudinally: Live load distributed lhru fill as follows;- floc invert slab and do not include splices is longitudinal ° ° ,
<br /> Len th 0f culvert . . Note: Heigh. and batter of curb
<br /> transverse spread=l.2+1.6F; longitudino/ spread =1.5+/.5F. bars nor concrete and reinforcing for special coverage. Lengths 9 ► '. ° 1
<br /> ., ,) " voris �., .7 ! 3 ( tee 5 ectal Prarisfors
<br /> r. fi may be varied to conform to approach cu;bs
<br /> Earth load of ,c O lbs per cu ft and ori equivalent Hued of b and b, bars. are some. Vary bending of b,bars to salt
<br /> aci for roll element.)
<br /> i, pressure of 36 lbs per cu ft. (both reduced 30% for balonced bottom•slob,
<br /> design) and mortified for bedding and backfi/1 conditions. SPECIAL COVERAGE: Where cu/veru are constructed �rdjacent to a , °'fir 3 ° 4 --- q� !ty
<br /> 9 w
<br /> " G i '`
<br /> - `)
<br /> UN T STRESSF.S. is 20,000 sl j fr /,000 • n -/O• u-30r0 st; salt water, thickness of concrete shall be melees Od to fMee h � � �
<br /> p , , , , !� p �, t g i i .� � C1y� . °` Radius c�^G'u.1q'rf�7
<br /> v= 90 pst. Reinforcement to be round deformed bars. Embed- ?„coverage between steel and exposed surfaces. Where scour - 04 Hoops @ 12” 1 •~*"`'� '_ �400wets Is L_. �, t .rt_ _ _ __, .r
<br /> ment is I is Dia. clear, min /) except as noted Hooks shall is anticipated, thickness of bottom slab shall be increased to " ' -� Tat.} -W4j-,
<br /> conform to Manua! of Standard Practice A.C.l. B ck/ for pr 2"minimum coverage between alae! and e,r osed surface. Raa'us V roun�tinq= µ~ y. d Ela s
<br /> ? 179 p g p "f"Bars but 17011ess than 4" 1 ' ii/SL e _ vr .spck t?,-s
<br /> hooks is 4 daometers. Bar splices to be 20 diometers,unlessnoted. -- ' `
<br /> ry ar more than T; f
<br /> Leformations shall conform to A.S.T.M. A-305-49, Distribution
<br /> bars; Cover Cover °O"to span length, top slob- v ,mox. 5O%. WITHOUT RAILING' W1 TH FAIL INC PART PLAN - SKEWED
<br /> Cover 'o"to span length, bottom slob= r�"a min. 25% G/,sE OF STANDARD PLAN
<br /> Cover exceeding Spon length, fop and bottom slobs 25 ?. `STRENGTH CLASSIFICATION; symbolized by the letters "A,B,C;
<br /> etc., of the top of the data table is merely a convenient desig-
<br /> nation for a particular structural section 'for a cu/verf of
<br /> any given opening. /t is dictated by two factors, (t�) the methodLength at cuiverP'r _Length of culvert
<br /> CONSTRUCTION NOW of bedding and backfill, and, (2) the cover or dep,`h cf fill over - -"f°Bars.Run,2 pater k `h
<br /> SPECIFICATIONS: Stondord Specifications, Division of Highways, the top slab. For convenience, bedding and backfill condition Paries, bars iength of parapet, Ts
<br /> ., . _._._� ..1._.. ,-Rad= interior we
<br /> and S ial Previsions accorn an in plans. are grouped into Cases 1Z XF;?t£; �, which Or,? illustrated 4 Hoops loner liars Ja spans
<br /> f' P .Y 9 P 9 p Gam'/��" Keyed Const. Jt
<br /> by sketches and described in the "Location Note:"` Will, little --Y -
<br /> MAXIMUM COVER: Strength Classification should be reviewed in or no information on soil conditions, assume Casoff or:7 . Q, /
<br /> the field after foundation ,s exposed. If excavation discloses " , ___._ M 1 ;ho t e 01
<br /> foundolran moteriols different then presumed for design,the
<br /> design should be reviewed to determine the necessity of - --
<br /> g , 0—Improvement EXAMPLES Radius of rounding
<br /> Stronger culvert section Improvement of beddin and/or s
<br /> but not less than 4
<br /> 6-Method `B"bockfill, (see Standard Specifications), AS DESIGNER: // has been determined by hydraulic sta1y, or other
<br /> not more than T, -
<br /> except vertical faces of trench shall not be more then !`outside reasons, a std. /Ox 8`culvert 60 long is requires; tc be con- WITHOUT RAIL INC' WITH RAIL ING PART PLAN — SKEWED
<br /> dimensions of the ,structure.! structed in the open Ino trench) on a yielding foundation and
<br /> EXPANSION dOINTS: None in invert slob. Under cover less than under IJ cover
<br /> span length, place �z"exp.it material in top slab and side Procedure;-From the sketches of Cases and Lacatio7 Notes it is r
<br /> walls in dividing strip or outside shoulder. Under cover mare found bedding and backfill conditions conform to ;:ase �1Z.
<br /> PARAPET DETAILS FOR MUMPLe SPAN CULVERTS
<br /> than span length. place expansion joints in top slob and side Enter tine table at the 3rd line from the bottom (Ca sell or3w)
<br /> walls only of 30`?' cfrs., and additional joints, as directed by end select the 2nd column under the 8'row where cover depths
<br /> the Engineer; at locations oe change of foundation material. tr 14 'are allowed. Move tc the top of this column, ►There the
<br /> M
<br /> CONSTRUCTION LOADS: Construction loads heavier thor.� legal loco's requ red 'Strength Classification"indicated by the letter "8^'will Rooaway r!; Roadway , Roadway
<br /> not permited until concrete has reoched o strength of 3000 be found Final designation.- Std. 10x8-8=x6C. R r°-,�r�� ' ' Compacted
<br /> "
<br /> �� - � . .'�_,._.�_.1 -,a i r ��`'CompacJed Mit "rc'd B
<br /> psi and struelure strutted and cushioned as directed b Engineer AS RESIDENT ENGINEER: Itis discovered in makin the excavation - � �,: .2 r , -:/ r mDanrme: I j lo fill
<br /> Losse r ,
<br /> frr the above culvert, that the foundation is hard, instead of place I-beam(min wt "a f� LP"cJrs.
<br /> yielding as expected, and that compacted backfill will be used. height=thickness ofsfab,in
<br /> G L. '
<br /> From information on the s tondard plans it is aster►oined this grade top culvert only and ! k 1 '
<br /> omit cover stab.
<br /> LOCATION NC3�ES siluaPicn to be Case ]ZI, which for a /3'cover requires Strengtl.' New construction
<br /> HYD61AULICS' If slope cf natural channel exceeds "neiltral slope " Classification 'G" Accordingly, Change Order should be initiated Existing cansrructirn � ' IN TRENCH ON SUBGRADE UNDER LCO Q��}{/^ O /
<br /> i i t .. y �,. -r a• E iJAlw.� fLL #
<br /> of culvert entrance capacity for /0-yr flood (0/0) will usually coring for o Std. 10x8_C-.PI x60.
<br /> defermine size. Otherwise comoute totof head- (Q'01 _)26I n1r. k�o),
<br /> -;" CASEZorL7 CASE F1'orJX CASE Z'"or 17
<br /> wnere 'k"is fiend factor, Vis length�of culvert ono, 4iao the U°!t'ERT EXTENS/Old BEDDING AND BACKFILL
<br /> 100yr. flood, and compare with allowable head. Tabulated ele-
<br /> ments are for full nominal section.
<br /> MAXiMUM COVER., Allowable depends on be�ding and bockfil/. Use;
<br /> CASFZ-Fear �.anstruchon in trench on hard foundation.
<br /> CASE=-For construction in trench on yielding foundation; also
<br /> if Methal backfill is used 5TANDA RD BOX CULVERT,
<br /> CASE-f-For construction on hard foundation.
<br /> CA SEYItI For construction onyieldng foundation also on Hard MISCEL LANEOUS 0ETA/1 S ,, f
<br /> foundation if Method 78"backfill is used. _
<br /> For further information on Cases see 'California Culvert Practice e a c e �o. ! r i f t -* + o, . + c
<br /> h :w .iB:,. •<� - 7 sV r--Iia/ i):� !.)<, Ibl�3' ��• i �.R � � 4�j/y�,Ty�.�,�� e
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