342-2 HANDICAP SYMBOL MARKING^^ 1. WORK SHALL CONSIST OF THE PLACEMENT OF A HANDICAP SYMBOL MARKING TO CONFORM WITH THE FOLLOWING: 2. THE SYMBOL OF ACCESSIBILITY PLACED ON THE PARKING SPACE SHALL BE AS SHOWN IN FIGURE 3B-22 OF THE CURRENT OHIO MANUAL OF UNIFORM TRAFFIC CONTROL DEVICES, AND IN SCD TC-71.10, WITH THE EXCEPTION THAT A BLUE BACKGROUND/WHITE BORDER SHALL NOT BE USED. 3. THE HEIGHT OF THE SYMBOL SHALL BE 41 INCHES, THE WIDTH SHALL BE 36 INCHES, AND THE STROKE WIDTH SHALL BE 4 INCHES. 4. MATERIALS, EQUIPMENT, AND APPLICATION SHALL BE ACCORDING TO THE TYPE OF PAVEMENT MARKING MATERIAL (642 - TRAFFIC PAINT, 643 - POLYESTER, 644 - THERMOPLASTIC, 645 - PREFORMED, 646 - EPOXY, 647 - HEAT-FUSED PREFORMED THERMOPLASTIC) USED. 5. PAYMENT SHALL BE ACCORDING TO THE PAVEMENT MARKING MATERIAL USED AS FOLLOW: ITEM 642, HANDICAP SYMBOL MARKING, TYPE ___ _____ EACH ITEM 643, HANDICAP SYMBOL MARKING _____ EACH ITEM 644, HANDICAP SYMBOL MARKING _____ EACH ITEM 645, HANDICAP SYMBOL MARKING, TYPE ___ _____ EACH ITEM 646, HANDICAP SYMBOL MARKING _____ EACH ITEM 647, HANDICAP SYMBOL MARKING, TYPE ___ _____ EACH~~ Designer Note: This note shall be included on projects that include Handicap Symbol Markings. The area for this symbol is 2.7 square feet as shown in Table 397-2.~~ 342-3 621 RAISED PAVEMENT MARKER REMOVED^^ IN AREAS WHERE THE RAISED PAVEMENT MARKER CASTINGS CANNOT BE REPLACED BECAUSE OF PAVEMENT CONDITIONS, USE THIS ITEM INSTEAD OF ITEM 621 RPM, INSTALLATION ONLY TO COMPENSATE THE CONTRACTOR FOR REMOVAL OF THE EXISTING RPM AND RESTORATION OF THE PAVEMENT. ALL BROKEN, CRACKED, FRAGMENTED OR PARTIAL REMNANTS OF RAISED PAVEMENT MARKERS OR MISSING RAISED PAVEMENT MARKERS SHALL BE TOTALLY REMOVED AND THE PAVEMENT RESTORED AS DESCRIBED IN CONSTRUCTION AND MATERIAL SPECIFICATION ITEM 621.08. THE FOLLOWING IS AN ESTIMATED QUANTITY TO BE USED AS DIRECTED BY THE ENGINEER FOR THE ABOVE WORK: 621 __________ EACH RAISED PAVEMENT MARKER REMOVED~~ Designer Note: This note may be used on district-wide RPM contracts for times when the castings should not be replaced due to poor pavement.~~ 342-4 SPEED MEASUREMENT MARKINGS^^ PLACE A SERIES OF SPEED MEASUREMENT MARKINGS ON THE ROADWAY TO ASSIST IN THE ENFORCEMENT OF SPEED REGULATIONS. EACH SPEED MEASUREMENT MARKING SHALL CONSIST OF ONE WHITE TRANSVERSE 24-INCH LINE MEASURED IN THE DIRECTION OF TRAVEL AND 4 FEET IN LENGTH. THE MARKINGS SHALL BE PLACED AT ONE-QUARTER MILE INTERVALS FOR A MINIMUM OF 1 MILE ALONG THE ROADWAY, AT LOCATIONS AS SHOWN IN THE PLANS OR AS DIRECTED BY THE ENGINEER. SPEED MEASUREMENT MARKINGS SHOULD AVOID BEING LOCATED IN THE VICINITY OF A TAPER, ENTRANCE RAMP OR EXIT RAMP. ON MULTILANE HIGHWAYS WITH SHOULDER WIDTHS OF AT LEAST 6 FEET, CENTER THE SPEED MEASUREMENT MARKING ENTIRELY ON THE SHOULDER. IF THE SHOULDER WIDTH IS LESS THAN 6 FEET, CENTER THE MARKING ON THE EDGE LINE SUCH THAT IT EXTENDS 2 FEET ON EITHER SIDE. TO ASSURE VISIBILITY OF THE MARKINGS AND REDUCE PARALLAX ERRORS, FOR EACH DIRECTION UTILIZING AN AIR SPEED CHECK ZONE, A SET OF TWO MARKINGS (LEFT AND RIGHT SIDE) SHALL BE USED AT EACH ONE-QUARTER MILE INTERVAL. ON TWO-LANE ROADWAYS, ONE MARKING SHOULD BE USED AT EACH ONE-QUARTER MILE INTERVAL AND INSTALLED ACROSS THE CENTER LINE SUCH THAT IT EXTENDS 2 FEET ON EITHER SIDE. THE MARKINGS SHALL BE LAID OUT BY A REGISTERED SURVEYOR. ON SECTIONS WITH CURVES, THE MARKINGS ON THE INSIDE OF THE CURVE SHALL MEET THE REQUIRED ONE-QUARTER MILE INTERVALS. MARKINGS ON THE OUTSIDE OF THE CURVE SHALL BE DIRECTLY ACROSS FROM THE MARKINGS ON THE INSIDE OF THE CURVE, NOT STAGGERED. A RECORD IS TO BE KEPT AND ONE ORIGINAL SIGNED AND SEALED DOCUMENT IS TO BE SENT TO THE DISTRICT TRAFFIC ENGINEER AND ONE COPY IS TO BE SENT TO THE DISTRICT CONSTRUCTION ENGINEER. MATERIALS, EQUIPMENT AND APPLICATION SHALL BE ACCORDING TO THE TYPE OF PAVEMENT MARKING MATERIAL USED. PAYMENT WILL BE FOR EACH 24-INCH-WIDE BY 4 FEET LONG MARKING AND SHALL INCLUDE THE PAVEMENT MARKING MATERIAL USED AND THE SURVEYING WORK.~~ Designer Note: This note should be used when Speed Measurement Markings are included in the plan. Prior to adding this note to the plans, ODOT and the Local Ohio State Highway Patrol (OSHP) Posts shall discuss the desire for establishing an Air Speed Check Zone. See Section 301-10 for the complete procedure for installing and maintaining or abolishing Air Speed Check Zones.~~ 342-5 GREEN COLORED PAVEMENT FOR BIKE LANES^^ IN ADDITION TO THE REQUIREMENTS OF C&MS 641 AND 740; THE FOLLOWING REQUIREMENTS SHALL APPLY: 1. THE DAYTIME AND NIGHTTIME CHROMATICITY COORDINATE FOR THE COLOR USED FOR GREEN COLORED PAVEMENT SHALL BE AS FOLLOWS: CHROMATICITY COORDINATES (CORNER POINTS) 1 2 3 4 X Y X Y X Y X Y DAYTIME 0.230 0.754 0.266 0.460 0.367 0.480 0.444 0.583 2. THE DAYTIME LUMINANCE FACTOR (Y) SHALL BE AT LEAST 7, BUT NO MORE THAN 35. 3. GREEN COLORED PAVEMENT SHALL BE [UNIFORMLY RETROREFLECTIVE OR NON-RETROREFLECTIVE]. PAYMENT FOR "ITEM _____ GREEN COLORED PAVEMENT FOR BIKE LANES" WILL BE AT THE CONTRACT UNIT PRICE PER SQUARE FOOT.~~ Designer Note: This note should be used when green colored pavement for bike lanes is desired. The blanks shall be filled in with the appropriate material specification item. The item that is enclosed in brackets [ ] should be carefully considered and the appropriate option chosen based on the maintaining agency's preferences.~~