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One foot long section of rail element, with a 3/4" slotted hole for mounting, sawed treated timber posts 6" It a' x 64" <br />shall be placed behind the continuous rail element at the intermediate posts. and sawed treated timber offset blocks <br />13' - 61/2" 6" x 8" x 14" shall be furnished and 6 1-/,f' 6W <br />placed in accordance with Standard <br />/ <br />6'-3" cc 6'-3" cc Specifications. 2" 1 W 2" <br />8' 8.1 Post Spacing Post Spacing o I I Button Had iu Bat withr---7-- i/OHiel Block --{ I-.6" �.y�� - <br />oval shoulder, and nut sir x I" <br />d, �- 13/1" x Y' <br />d' F / 7 1 0 o T Mbuntirg Boff Washer <br />c Finished Shoulder' Rail element lap in�Olftet Blocks'-- " N <br />E N Finished <br />Median Surface « direction element <br />I p Inc. 1" - Q of Median SlriD o <br />Button Had Post Mounting Bolt <br />Normal or \ s/e o length a required. <br />' Inslope Widened i Finished Median Surface secured with washer and nut <br />Button Head Post Mounting Bolt i Thread end o be burred <br />Shoulder 1 5/8"oxlengthasrequired, NOTE- <br />Finished <br />OTE following mounting. <br />Finished Shoulder Eliminate offset blocks for medians nB ng. <br />secured with washer and nut. 1 <br />'Surface Line less than 8' in width. Finished Shoulder or <br />Thread end to be burred I ' <br />--'-- L- L-= following mounting. - L----' Median Surface <br />END ELEVATION FRONT ELEVATION END ELEVATION <br />STEEL PLATE BEAM GUARD STEEL PLATE BEAM MEDIAN GUARD RAIL ELEMENT SPLICING <br />STEEL PLATE BEAM GUARD OR STEEL PLATE BEAM MEDIAN GUARD AND POST MOUNTING DETAILS <br />Widened Shoulder Line <br />Anchor req'd. <br />see detail <br />Matured length -1----"- <br />of be guard <br />Holes in structure parapet to be <br />provided as part of structure contract. <br />al <br />= - <br />�Rai IElement <br />GENERAL NOTES <br />-- <br />B <br />rail1lo, <br />ents <br />/8" O Button'Head <br />Details of construction not shown on this drawing <br />shall conform to the pertinent requirements of the <br />*Guard <br />ost Mounting Bolt or <br />Standard Specifications and the applicable Special <br />slotted holes" <br />0 x 10" Button Head <br />Provisions. <br />for splices. <br />tructure Mounting Bolt <br />The exact location of the beginning and end of <br />Min. 12 gage steel <br />Mountsg <br />Mounting Boit Washer <br />each Guardrail installation shall be as shown on <br />17„ <br />Footing <br />the plans or as directed bythe engineer. <br />15"1 SvmmetricalaboutIt <br />MOUNTING BOLT DETAIL <br />TERMINATION AT STRUCTURES NOT PROVIDED WITH <br />z 1 „ <br />a„ <br />A NOTCH <br />�- T� <br />Anchor required <br />For those structures where a notch is not provided, <br />yi <br />-�-- <br />the Guardrail will be terminated as directed by the <br />Neutral 1 slotted hole for <br />Axis post mounting. <br />- 1 a1 • _ _ -� <br />�� - <br />engineer. <br />POST FOOTING DETAILAT PIERS <br />21/2" <br />* ro <br />The Post -Footing Details shall be used when guard- <br />1 <br />-bi <br />1 <br />8G <br />rail posts are over structure footings and less than <br />Note: All dimensions subject to <br />Galvanized <br />3' {7" of earth is provided over the top of the footing. <br />manufacturing tolerance. <br />MOUNTING BOLT WASHER <br />STEEL PLATE BEAM MEDIAN GUARD <br />SECTION THRU RAIL ELEMENT <br />Eliminate offset blocks for medians less than 8 foot <br />Bolt Washer <br />* Hole in Structure Mounting Bolt <br />in width. <br />Holes for Structure Mounting <br />Washer to be 11/16" dia. <br />Rail Element <br />shall be 1 1/16" dia. <br />ALTERNATE ANCHORS <br />Measured length <br />Square anchors wi 11 be permitted. Square anchors <br />1 <br />30" dia <br />shall be a minimum of 24 inches x 24 inches. <br />Normal Shoulder Line 6' min. 30" dia. concrete anchor SHOULDER WIDENING <br />- ------------146"---- \ Measured lengtn Concrete Anchor, n to accommodate <br />40'-0 _- __� - T 40'-0" of beam guard anchored <br />The shoulder widening a <br />- Measured length 6'-3" _ 6--Y _ <br />end of the Guardrail shall be accomplished at a rate <br />. <br />I 63„ <br />of beam guard 6'-3" 12'-6„ of widening not to exceed 50 to 1. <br />- I 'f- -t. <br />PLAN VIEW <br />STRUCTURE WIDTH LESS THAN APPROACH ROADWAY WIDTH <br />t Offset Rail Post <br />Post Blocks Element <br />NOTE 2 - 5/8o x 18" <br />Anchor req'd. 1— - _ Block-out the _ ; <br />- - Eliminate offset blocks for steel rods <br />see detail depth required medians less than 8' in width. <br />6' min. <br />R R R�r PLAN VIEW <br />JNormal Shoulder Line <br />—ocin <br />Face of Parapet Post 5 <br />Measured length P %in._63'-01/4" d <br />-�-�— - ih__ <br />of bam guard -- - - - _ - - _ - - - - _-� -- — Mguard - - <br />PLAN VIEW of <br />beam eam9 <br />/ STRUCTURE WIDTH EQUAL TO ROADWAY WIDTH Widened Shoulder Line <br />Rail ; <br />- __-_min. 6341/4" <br />4'-81/4" 4'-r' 4'-2" 6'_3"c -c - - - 40, 0 14'x„ <br />tPost Spacing -�- <br />11 IT 11 <br />See Structure Mounting Detail n <br />Finished Shoulder Elevation� <br />Anchor Req'd.- X-"! <br />FRONT ELEVATION see detail <br />3 -Button Head Structure Mounting Bolts <br />Piz x 10" secured with washer and nut. TYPICAL INSTALLATION AT STRUCTURES <br />Thread end to be burred following mounting. For structures constructed with notch to <br />i <br />receive beam guard. See General Notes <br />6" x <br />for structures without notch. <br />- Holes in structure parapet to be <br />Pier- <br />j <br />in. 6" <br />provided as part of structure <br />20 <br />0 <br />contract <br />Footing <br />2" Y' <br />11/9'0 Holes for 7/8"25 7/8"o Holes for bolts <br />Rail Element <br />40 <br />CROSS SECTION VIEW <br />Face of Parapet <br />PLAN vlEw <br />3 -Button Head Structure Mounting Bolts <br />- <br />Anchor required <br />1110 x 10" secured with washer and nut. <br />60 <br />Widened Shoulder Line see detail <br />zed' Thread end to be burred following mounting. <br />_ <br />21/2" <br />7' <br />7" T. <br />? 80 <br />- <br />1/2" <br />`\ <br />Terminal Section 1 -- <br />Rail Element Structure Mounting - <br />, <br />I - min. 12 gage steel <br />Bolt Washer <br />a loo <br />ShoulderRFcorn <br />---- <br />Normal Shoulder Line �7 <br />Rail Element <br />Measured length <br />1 <br />_ -_ <br />= 120 <br />- <br />of beam guard <br />i <br />= <br />Top of Curb <br />Face of Parapet <br />140 <br />Shoulder-� <br />160 <br />FRONT ELEVATION <br />END ELEVATION <br />STRUCTURE MOUNTING DETAIL <br />IQ Measured I <br />/ '•6„ of beam gm <br />/ 11' t <br />Q <br />Finished Median Surface _ <br />FRONT ELEVATION 30" <br />ANCHOR DETAIL <br />FOR DOUBLE RAIL ELEMENT INSTALLATION <br />'C', V. &'E' lin inches plus 6 feet) <br />r Post position for guardrail <br />P. 2" 3" 4" 5" Ion outside of curve. <br />'M' (inches) <br />R Offset Block <br />- D <br />Post position for guardrail <br />on inside of curve. <br />Chord lengths for post spacing and <br />middle ordinates for beam curving <br />CURVE DATA FOR POST SPACING AND BEAM CURVING <br />Rail Element •�I <br />Measured length <br />2-5/8",e'x 18" of beam guard <br />steel rods <br />PLAN VIEW <br />2 - 3/4" Holes for <br />/ 2 - 5/8" m x 18" steel rods _ 7 qn 4 <br />Concrete Anchor <br />23/4" O Holes for <br />23/8" 0 x 18" steel rods <br />I nslope - <br />Ground Line <br />_Measured length Ground <br />of beam guard ••±•N - • Line <br />=,P Rail Element. <br />Concrete <br />Anchor <br />FRONT ELEVATION CROSS SECTION VIEW <br />ANCHOR DETAIL <br />FOR SINGLE RAIL ELEMENT INSTALLATION <br />6" x 4" x 7/16"c- T Long <br />i <br />6" x <br />g' Post <br />31/41, 13 114" <br />Pier- <br />j <br />in. 6" <br />cPo <br />-� <br />Footing <br />2" Y' <br />11/9'0 Holes for 7/8"25 7/8"o Holes for bolts <br />3 -Unit expansion bolts 3/4110 x Length required <br />CROSS SECTION VIEW <br />PLAN VIEW FRONT ELEVATION <br />POST -FOOTING DETAIL AT PIERS <br />Anchor required <br />5. <br />Widened Shoulder Line see detail <br />Ramp down and anchor at exit <br />end on undivided highway only. <br />r <br />61_3" cc_--� <br />`\ <br />Terminal Section 1 -- <br />pospacing <br />, <br />I - min. 12 gage steel <br />----------- <br />6' min. <br />ShoulderRFcorn <br />---- <br />Normal Shoulder Line �7 <br />� <br />41 Pavement 41 <br />PLAN VIEW <br />TYPICAL INSTALLATION AT <br />LOCATIONS OTHER THAN STRUCTURES <br />