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I • SIGN MATERIALS WORK ZONE SIGN SUPPORTS Mesh signs may be used only for Daylight Operations END ROAD WORK SIGNS as noted in the standards. Type B Lights and Orange All post mounted Work Zone signs shall be installed on either round Flogs are not «qu;red. The END ROAD WORK sign ( G20 -2A ) should be erected opproximole/y aluminum or steel channel post os specified in the fable below. 500 feet beyond the end of o construction or maintenance project. SUPPORTS FOR MAINTENANCE OF TRAFFIC S/GN5 vinyl may be used for Day or Ned Operations unless other distance tolled for ;n the plans. Where other ConstNd;on DEPTH /N not to exceed 12 hours except as noted in the standards. or Moinlenance Operations occur within ' mile this sign should SIGN ROUND DEPTH /N STEEL GROUND Type 8 Lights and Orange Flags are not required, be omitted and signing coordinated /n oocordonee wish Index No. 600. SIGN SIZE BRACKET ALUMINUM GROUND CHANNEL ADJOINING AND/OR OVERLAPPING WORK ZONE SIGNING. All signs shall be post mounted if operation exceeds NPS 2.0" x 2' 0' 2.5 !b FIM 3' 0' 24" z 36' 2 -I 8 12 hours except as noted in the standards. 48 " x 48 " 248f NPS 3.5' x i" 30 - 4" * * 3' -O' DIAMOND I -II * * 3' -0" DETOURS 60" x 48' 3 -I NPS 3.5" x I 3' 4" NPS 2.0" x Detours should be signed e/eorfy over fAeU entire length so flat motorists can easily determine law to return to the original 24' x 30" 2 I NPS •J.0" x g" roadway, The WI -4R. MOT -2. and MOT -3 warning signs ore to 48• x 48" 2 -II be used for the advanced warning for a lone sAlfl. A diversion �. x 24' 3 should be signed as. o lone shift. 600 x 36' 3 - 1 VARIABLE MESSAGE SIGNS I VMS I * FIM indicates Type F or Type M The VMS can be used for #n construction/maintenance work zones. * * Requires Iwo 3 Ib/rt steel channel ( F/M ) of 28 -6' center to center. ( 1 ) Supplement standard signing Allsign brackets shall be Type I . The total number of brackets shall ( 2 ) Reinforce static Odvonce warning messages. Type r post per post. ign which shall Use IWO ( 3 ) Provide motorists with updated guidance information• De per post as tabulated. except the "Diamond" sap approved breakaway bases. The message should be visible and clad s of o minimum distance or The 4 !b/f1 steel channel $hall be Installed with app 900 feet. All messages should be cycled so that two message Refer to Des#gn Standard 11860. Sheet 3. for round aluminum sign bracket cycles ore displayed to o driver while approaching the sign from defails. and !1865 Sheet 2 for steel channelbreokoway bases. and notes. 900 . feef of 55 mph, VMS should be placed opprox, 500 to 800 feel In advance or the CLEAR ZONE WIDTHS work zone conflicts or l.5 to 2 miles ;n advance of complex traffic control Schemes which require new and/or unusual traffic monerners• The term 'clear zone' describes the unoDslrucfed relatively riot area. If VMS ore to be used at night, the Intensity of the flashers shall be tone. The !able below gives clear zone widths ;n work zones for medians reduced during darkness when lower lnfensit/ es are desiroDle* impacted by construction, extending outward from the edge of the travel For oddltlonolInformalion rarer to the FOOT Roadway Pions Preporalion and roadside conditions below other than for roadside conalsr where roodside Monual. Volume I . Chapter !0• canals are present, clear zone Ch. are to conform WHA the distances 4 fo conals as described in Volume I Ch. 4, See. 4.2 and Exhibit 4 -A and 4 - 8 or the Pions Preparation Manual, ROADSIDE BARRIERS When connecting temporary concrete barrier wall to quardroilthe connection shall be mode In accordance with Index No, 410• All guardrail end anchorages 10 be included ;n the cost of Temporary JAL ONE WIDTHS FOR WORK ZONES m Guardrail. WIDTHS X NE SPEED Ifeetl HAZARD PH J STATE Or rLOIIIOA D[IARTY [ YT OI t11AY E1011TATIOM ABOVE GROUND • TO 30 " GAO D[EIOY 5 24 rwric co[n[x rY#ao# Wow ray: Above ground hazards ( see definitions ) are to be considered work areas 18 GENERAL INFORMATION FOR during working hours and treated with opprapriale work zone traffic -50 control procedures, During non - working flours, all objects, materials and 40 14 TRAM CONTROL THROUGH WORK ZONES equ;pment that constitute on above ground hazard shie must be stored/placed SPEEDS 4' BEH/ND fACE ".... ..,.. A//. ••4 [T cuts;de Me travelway and clear zone or De shielded by o bowler or CUTTER OF CURB 00 01 crash cushion. . . ........ A For above ground hazards within a work zo during oonslruc e the clear zone l^eQ cod -- -- -- . . DO 4 or a 6� should be based on the regulatory speed postedQ 3 3