METROPOLITAN WASHINGTON AIRPORTS AUTHORITY

Transcription

1 DATE SCALE METROPOLITAN WASHINGTON PROJECT IDENTIFIER DA03 DESIGNED CHECKED DRAWN AIRPORTS AUTHORITY RONALD REAGAN WASHINGTON NATIONAL AIRPORT WASHINGTON, D.C. SHEET NAME GN VOLUME NUMBER ACCEPTED SUBMITTED OFFICE OF ENGINEERING DESIGN DEPARTMENT of SHEET NUMBER NO. REVISION DATE APPROVED METROPOLITAN WASHINGTON AIRPORTS AUTHORITY of 3 DA03GN dgn 2/7/202

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3 C A B A B C 20 DATE SCALE METROPOLITAN WASHINGTON PROJECT IDENTIFIER DA03 DESIGNED CHECKED DRAWN AIRPORTS AUTHORITY RONALD REAGAN WASHINGTON NATIONAL AIRPORT WASHINGTON, D.C. SHEET NAME GN VOLUME NUMBER ACCEPTED SUBMITTED OFFICE OF ENGINEERING DESIGN DEPARTMENT of SHEET NUMBER NO. REVISION DATE APPROVED METROPOLITAN WASHINGTON AIRPORTS AUTHORITY of 3 DA03GN dgn 2/7/202

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5 PHASING SCHEDULE PHASE WORK AREA DESCRIPTION CONCURRENT PHASES WORK HOUR RESTRICTIONS WORK AREA START DATE DAYS* 0 5 PHASING RELATIONSHIP PHASING PLAN SHEET MOBILIZE MOBILIZE & SUBMITTAL REVIEW NONE NONE NTP 45 - T/W T/W J NONE EC PM - 6AM NTP GN T/W J BETWEEN T/W J & R/W 4/22 NONE NC PM - 6AM NTP GN PAVEMENT MARKING T/W S ALL NC PM-6AM NTP DEMOBILIZE NTP DAYS* = MAXIMUM DURATION IN CALENDAR DAYS. NC=NIGHTIME ONLY CLOSURES EC=EXTENDED CLOSURES.) 2.) 3.) 4.) 5.) THE CONTRACTOR SHALL COMPLETE ALL WORK ASSOCIATED WITH THIS PROJECT WITHIN 93 CONSECUTIVE CALENDAR DAYS FROM ISSUANCE OF NOTICE-TO-PROCEED (NTP). CALENDAR DAYS ARE FOR EACH SPECIFIC CONSTRUCTION PHASE AND CANNOT BE CARRIED OVER TO ANOTHER CONSTRUCTION PHASE. CONTRACTOR WILL COORDINATE ALL BARRICADE LAYOUT CHANGES WITH COTR AT LEAST 3 DAYS PRIOR TO CHANGING PHASES. WORK WILL BE ACCOMPLISHED USING ONE OF THE THREE PROCEDURES DESCRIBED BELOW. GENERAL PROCEDURE FOR NIGHTTIME ONLY CLOSURES (NC) IS AS FOLLOWS: a. START i. NIGHTLY MEETING/CALL AT 8 PM WITH COTR ON SCHEDULE OF WORK FOR THE NIGHT. ii. 0 PM THROUGH THE GATE AND INTO STAGING AREA. iii. PM THROUGH THE GATE AND ON AIRFIELD. PLACE BARRICADES AROUND THE WORK AREA. iv. BEGIN WORK. b. STOP i. 4:00 AM ALL PAVEMENT PLACED, FINAL ROLLING UNDERWAY. ii. 4:30 AM HMA MARKING AND CLEANUP BEGINS. iii. 5:30 AM REMOVE BARRICADES AND CLEANUP FINISHED, ALL EQUIPMENT RETURNED TO THE STAGING AREA. OPS CHECK BEGINS. iv. 6:00 AM PAVEMENT OPENS TO TRAFFIC. 7.) 8.) 9.) 0.) THE CONTRACTOR SHALL BE ALLOWED TO MILL AHEAD FOR ALL PHASES, 3 INCHES ONLY. THE CONTRACTOR SHALL BE REQUIRED TO OBTAIN THE APPROVAL OF THE COTR A MINIMUM OF 72 HOURS PRIOR TO SCHEDULING THIS WORK. THE WORK SHALL BE DONE UNDER THE NIGHTTIME CLOSURE PROCEDURE AS LISTED ABOVE. TEMPORARY MARKING AND TRANSITION RAMPS SHALL BE REQUIRED. IN AREAS THAT ARE TO BE REOPENED ON A DAILY BASIS OR WILL NOT BE COMPLETED, THE CONTRACTOR WILL BE REQUIRED TO INSTALL A TEMPORARY MARKING AND TRANSITIONAL RAMPS. SEE PHASING DETAILS SHEET GN FOR TEMPORARY TRANSITION RAMP DETAIL. THE CONTRACTOR MAY SUBMIT ITS OWN PHASING SCHEDULE AND WORK PHASES IN AN ALTERNATE ORDER. THE PHASING MUST BE SUBMITTED TO COTR FOR APPROVAL. ALL WORK ON THIS PROJECT THAT IMPACTS RUNWAY 4-22 OPERATIONS MUST BE PERFORMED AT NIGHT WHEN THE RUNWAY IS CLOSED. IF IT IS DETERMINED BY THE AUTHORITY THAT RUNWAY 4-22 MAY NOT BE CLOSED DURING A SCHEDULED CLOSURE DUE TO WEATHER CONDITIONS, THE DAY WILL BE COUNTED AS A NON-COMPENSABLE WEATHER DAY IN ACCORDANCE WITH SECTION ) GENERAL PROCEDURE FOR EXTENDED CLOSURES (EC) IS AS FOLLOWS: a. START OF EXTENDED CLOSURE. i. NIGHTLY MEETING/CALL AT 8 PM WITH COTR ON SCHEDULE OF WORK FOR THE NIGHT. ii. 0 PM THROUGH THE GATE AND INTO STAGING AREA. iii. PM THROUGH THE GATE AND ON AIRFIELD AND PLACE BARRICADES AROUND THE WORK AREA TO BE CLOSED FOR AN EXTENDED PERIOD. BARRICADES ARE TO REMAIN IN PLACE FOR ENTIRE DURATION OF CLOSURE. INSTALL REQUIRED AIRFIELD LIGHTING JUMPERS, COVER EDGE LIGHTS AND SIGNS AS NEEDED. OBSCURE ALL TAXIWAY CENTERLINE MARKING LEADING INTO CLOSED WORK AREA. INSTALL TEMPORARY MARKING AS NEEDED. iv. BEGIN WORK. v. 5:00 AM BEGIN NIGHTLY CLEANUP AND REMOVAL OF CONSTRUCTION EQUIPMENT FROM WORK AREA. OPS CHECK BEGINS. vi. 5:30 AM COMPLETE NIGHTLY CLEANUP. SWEEP OF WORK AREA AND HAUL ROAD BACK TO STAGING AREA. ALL EQUIPMENT RETURNED TO THE STAGING AREA. b. END OF EXTENDED CLOSURE. i. 4:00 AM ALL REMAINING WORK FOR PHASE/SUB PHASE COMPLETED. REMOVAL OF AIRFIELD LIGHTING JUMPERS AND COVERS FOR AIRFIELD SIGNS AND LIGHTS BEGINS. REMOVAL OF TEMPORARY MARKING BEGINS. ii. 4:30 AM CLEANUP BEGINS. iii. 5:00 AM REMOVE BARRICADES AND CLEANUP FINISHED, ALL EQUIPMENT RETURNED TO THE STAGING AREA. OPS CHECK BEGINS. iv. 5:30 AM PAVEMENT OPENS TO TRAFFIC. DATE SCALE METROPOLITAN WASHINGTON PROJECT IDENTIFIER DA03 DESIGNED CHECKED N.T.S. DRAWN AIRPORTS AUTHORITY RONALD REAGAN WASHINGTON NATIONAL AIRPORT WASHINGTON, D.C. SHEET NAME GN VOLUME NUMBER ACCEPTED SUBMITTED OFFICE OF ENGINEERING DESIGN DEPARTMENT PHASING SCHEDULE of SHEET NUMBER NO. REVISION DATE APPROVED METROPOLITAN WASHINGTON AIRPORTS AUTHORITY 0 of 3 DA03GN dgn 2/7/202

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7 R/W -9 HOLD APRON MATCH TO SHEET CV PAVEMENT REMOVAL, 3" AND VARIABLE DEPTH (P-60) CUT SECTION.) CONTRACTOR SHALL LOCATE ALL UTILITIES PRIOR TO PAVEMENT REMOVAL. CONTRACTOR SHALL USE APPROPRIATE REMOVAL METHODS TO PROTECT BURIED UTILITIES FROM DAMAGE. EU X PAVEMENT REMOVAL, 3" AND VARIABLE DEPTHS, 5" DEPTH (P-60) EXISTING STORM SEWER PIPE ELECTRICAL CONDUIT EXISTING TAXIWAY EDGE LIGHT EXISTING AIRFIELD SIGN SHEET NUMBER WHERE CUT SECTION DETAIL CAN BE FOUND 2.) 3.) SEE ELECTRICAL LAYOUT PLANS FOR AIRFIELD LIGHTING PROTECTION, REMOVAL AND REINSTALLATION REQUIREMENTS. CONTRACTOR SHALL TAKE CARE NOT TO DAMAGE EXISTING LIGHT FIXTURES, BASES, SIGNS, MANHOLES, HANDHOLES, AND INLETS. USE OF A SMALL POWER WALK BEHIND OR SIMILAR TYPE MILL WILL BE REQUIRED AROUND THESE STRUCTURES. A TEMPORARY MILLED TRANSITION RAMP WILL BE REQUIRED AROUND IN-PAVEMENT STRUCTURES OPENED TO TRAFFIC PRIOR TO FINAL PLACEMENT OF THE BITUMINOUS SURFACE COURSE. SEE DETAIL ON SHEET CV EXISTING INLET EXISTING MANHOLE R REMOVAL ITEM

8 MATCH TO SHEET CV T/W J HOLD APRON PAVEMENT REMOVAL, 3" AND VARIABLE DEPTH (P-60) CUT SECTION.) CONTRACTOR SHALL LOCATE ALL UTILITIES PRIOR TO PAVEMENT REMOVAL. CONTRACTOR SHALL USE APPROPRIATE REMOVAL METHODS TO PROTECT BURIED UTILITIES FROM DAMAGE. EU X PAVEMENT REMOVAL, 3" AND VARIABLE DEPTHS, 5" DEPTH (P-60) EXISTING STORM SEWER PIPE ELECTRICAL CONDUIT EXISTING TAXIWAY EDGE LIGHT EXISTING AIRFIELD SIGN SHEET NUMBER WHERE CUT SECTION DETAIL CAN BE FOUND 2.) 3.) SEE ELECTRICAL LAYOUT PLANS FOR AIRFIELD LIGHTING PROTECTION, REMOVAL AND REINSTALLATION REQUIREMENTS. CONTRACTOR SHALL TAKE CARE NOT TO DAMAGE EXISTING LIGHT FIXTURES, BASES, SIGNS, MANHOLES, HANDHOLES, AND INLETS. USE OF A SMALL POWER WALK BEHIND OR SIMILAR TYPE MILL WILL BE REQUIRED AROUND THESE STRUCTURES. A TEMPORARY MILLED TRANSITION RAMP WILL BE REQUIRED AROUND IN-PAVEMENT STRUCTURES OPENED TO TRAFFIC PRIOR TO FINAL PLACEMENT OF THE BITUMINOUS SURFACE COURSE. SEE DETAIL ON SHEET CV EXISTING INLET EXISTING MANHOLE R REMOVAL ITEM

9 R/W -9 WORK IN THIS AREA BY OTHERS HOLD APRON MATCH TO SHEET CV ) SEE DEMOLITION SHEETS FOR PAVEMENT LIMITS.

10 MATCH TO SHEET CV T/W J HOLD APRON.) SEE DEMOLITION SHEETS FOR PAVEMENT LIMITS.

11 SPOT ELEVATION PROPOSED CONTOUR EXISTING STORM SEWER EXISTING ELECTRICAL CONDUIT EXISTING TAXIWAY EDGE LIGHT EXISTING AIRFIELD SIGN EXISTING INLET EXISTING MANHOLE.) MATCH EXISTING PAVEMENT ELEVATIONS AT LIMITS OF CONSTRUCTION. 2.) MATCH EXISTING PAVEMENT ELEVATIONS AT ALL EXISTING IN-PAVEMENT STRUCTURES. 4 2 VPC STA VPC ELEV % VPC STA VPC ELEV % VPI STA VPI ELEV CURVE LENGTH = % MATCH STA MATCH ELEV MATCH STA MATCH ELEV..96 VPI STA VPI ELEV CURVE LENGTH = VPC STA VPC ELEV VPT STA VPT ELEV

12 R/W -9 B CV D CV G CV C CV HOLD APRON A MATCH TO SHEET CV CV NEW TAXIWAY CENTERLINE NEW TAXIWAY EDGE STRIPES NEW TAXIWAY HOLD POSITION MARKING NEW INTERMEDIATE HOLD POSITION MARKING NEW TAXIWAY DASHED EDGE STRIPE NEW ENHANCED TAXIWAY CENTERLINE REMOVE AND REPLACE EXISTING PAVEMENT MARKING.) 2.) 3.) 4.) THE CONTRACTOR MUST ALLOW THE BITUMINOUS PAVEMENT TO CURE FOR 30 DAYS PRIOR TO APPLYING PERMANENT PAVEMENT MARKING. FINAL MARKING WILL BE UNDER NIGHTTIME ONLY WORK RESTRICTION. MARKINGS SHALL EXTEND MINIMUM 25 BEYOND THE EDGE OF WORK LIMITS TO REPLACE THE EXISTING MARKINGS. NEW MARKINGS SHALL NOT BE APPLIED UNTIL NEW PAVING IS COMPLETE. MATCH NEW PAVEMENT MARKING ALIGNMENT TO THE EXISTING ALIGNMENT. CONTRACTOR MUST PLACE TEMPORARY PAVEMENT MARKING PRIOR TO OPENING THE WORK AREA. TEMPORARY MARKINGS NEEDED FOR TAXIWAYS INCLUDE CENTERLINE AND HOLD LINES. TEMPORARY MARKINGS SHALL BE APPLIED AT 50% OF THE NORMAL APPLICATION RATE FOR PAVEMENT MARKING.

13 MATCH TO SHEET CV T/W J E CV HOLD APRON D CV IH CV G CV B A CV CV F CV NEW TAXIWAY CENTERLINE NEW TAXIWAY EDGE STRIPES NEW TAXIWAY HOLD POSITION MARKING NEW INTERMEDIATE HOLD POSITION MARKING NEW TAXIWAY DASHED EDGE STRIPE NEW ENHANCED TAXIWAY CENTERLINE REMOVE AND REPLACE EXISTING PAVEMENT MARKING.) 2.) 3.) 4.) THE CONTRACTOR MUST ALLOW THE BITUMINOUS PAVEMENT TO CURE FOR 30 DAYS PRIOR TO APPLYING PERMANENT PAVEMENT MARKING. FINAL MARKING WILL BE UNDER NIGHTTIME ONLY WORK RESTRICTION. MARKINGS SHALL EXTEND MINIMUM 25 BEYOND THE EDGE OF WORK LIMITS TO REPLACE THE EXISTING MARKINGS. NEW MARKINGS SHALL NOT BE APPLIED UNTIL NEW PAVING IS COMPLETE. MATCH NEW PAVEMENT MARKING ALIGNMENT TO THE EXISTING ALIGNMENT. CONTRACTOR MUST PLACE TEMPORARY PAVEMENT MARKING PRIOR TO OPENING THE WORK AREA. TEMPORARY MARKINGS NEEDED FOR TAXIWAYS INCLUDE CENTERLINE AND HOLD LINES. TEMPORARY MARKINGS SHALL BE APPLIED AT 50% OF THE NORMAL APPLICATION RATE FOR PAVEMENT MARKING.

14 R/W -9 IP IP IP GRASS GRASS HOLD APRON MATCH TO SHEET CV IP DENOTES TEMPORARY INLET PROTECTION. SEE DETAIL ON SHEET CV ) 5.) 6.) 2.) 3.) 7.) 4.)

15 MATCH TO SHEET CV T/W J GRASS GRASS IP IP DENOTES TEMPORARY INLET PROTECTION. SEE DETAIL ON SHEET CV ) 5.) 6.) 2.) 3.) 7.) 4.)

16 25 75 & VARIABLE VARIABLE DEPTH BITUMINOUS CONCRETE OR TURF 8.5" - 20" BITUMINOUS CONCRETE VARIABLE DEPTH AGGREGATE BASE COURSE OR TURF 0" - 30" AGGREGATE BASE COURSE EXISTING SUBGRADE EXISTING BITUMINOUS OR PCC PAVEMENT STRUCTURE EXISTING TYPICAL SECTION TAXIWAY J & J CV02.000, CV N.T.S. NOTE: EXISTING EDGE LIGHTING NOT SHOWN FOR CLARITY. SEE SHEET CV AND ELECTRICAL LAYOUT SHEETS FOR WORK AROUND EDGE LIGHTING. DATE SCALE METROPOLITAN WASHINGTON PROJECT IDENTIFIER DA03 DESIGNED CHECKED DRAWN AIRPORTS AUTHORITY RONALD REAGAN WASHINGTON NATIONAL AIRPORT WASHINGTON, D.C. SHEET NAME CV VOLUME NUMBER ACCEPTED SUBMITTED OFFICE OF ENGINEERING DESIGN DEPARTMENT of SHEET NUMBER NO. REVISION DATE APPROVED METROPOLITAN WASHINGTON AIRPORTS AUTHORITY of 3 DA03CV dgn 2/7/202