12815778 Rev 2.pdf

GENERAL NOTES

1. THE CONTRACTOR SHALL PROVIDE THIER OWN BOAT/BARGE TRANSPORTATION OF PERSONNEL, MATERIAL AND EQUIPMENT TO THE BT-11 PROJECT SITES.

BT-11 (PINEY ISLAND) BRIDGE REPAIR NOTES

2. THE CONTRACTOR SHALL COORDINATE SCHEDULES WITH THE CONTRACTION OFFICER AND BT-11 RANGE OPERATIONS EACH WORK DAY. AT THE END OF

EACH WORK DAY, BT-11 BRIDGES SHALL BE RETURNED TO SERVICE, UNLESS AGREED TO OTHERWISE BY BT-11 RANGE OPERATIONS.

MCAS CHERRY POINT BRIDGE REPAIR NOTES

1. AT SLOCUM BRIDGE (4062) ONE LANE NEEDS TO BE OPEN TO TRAFFIC DURING CONSTRUCTION. THE CONTRACTOR SHALL PROVIDE THE NECESSARY

TEMPORARY SIGNAGE, BARRICADES, LIGHTS AND FLAGPERSONS FOR TEMPORARY CONSTRUCTION AND LANE SHIFTS PER MANUAL OF UNIFORM

TRAFFIC CONTROL DEVICES, LATEST EDITION. PRIOR TO CONSTRUCTION, SUBMIT A TRAFFIC CONTROL PLAN TO THE CONTRACTING OFFICER FOR APPROVAL.

2. LANE CLOSURES SHALL OCCUR MONDAY - FRIDAY BETWEEN 1800 AND 0530 HRS, OR AT ANY TIME ON SATURDAYS, SUNDAYS OR HOLIDAYS.

COORDINATE DOWN TIME WITH THE CONTRACTING OFFICER SO THAT NOTICES CAN BE DISTRIBUTED AND ANY POTENTIAL CONFLICTS BE RESOLVED.

FOR EMERGENCY CONSIDERATIONS, AT NO TIME MAY BOTH LANES OF SLOCUM BRIDGE BE CLOSED SIMULTANEOUSLY.

3. THE RANGES WILL BE IN OPERATION DURING CONSTRUCTION ACTIVITIES, SO AT THOSE TIMES, ALL CONTRACTOR PERSONNEL SHALL WEAR PROTECTIVE GOGGLES

AND EAR PROTECTION DURING CONSTRUCTION. THEY WILL BE ISSUED FROM BT-11 RANGE OPERATIONS.

4. ALL EXISTING BRIDGE DECK LUMBER SHALL BE CAREFULLY REMOVED AND STACKED ADJACENT TO EACH BRIDGE SITE FOR REUSE FOR TARGETS. RANGE STAFF WILL RELOCATE

5. CONSTRUCTION WORK SHALL BE LIMITED TO ONE BRIDGE AT A TIME TO AVOID DISRUPTING RANGE OPERATIONS.

6. DAILY WORK HOURS ARE LIMITED FROM 0800 TO 1800 MONDAY TO THURSDAY AND 0900 TO 1530 HRS ON FRIDAYS.

7. RADIOS WILL BE LOANED TO THE CONTRACTOR FOR CONTACTING BT-11 RANGE OPERATIONS FOR COORDINATION. IN ADDITION THE PHONE CONTACT IS 252-466-4240 OR 4288.

3. THE RAILROAD TUNNEL (BRIDGE 4920) ACTIVITIES SHALL NOT INTERFERE WITH RAIL TRAFFIC.

COORDINATE DOWN TIME WITH THE CONTRACTING OFFICER SO THAT NOTICES CAN BE DISTRIBUTED AND ANY POTENTIAL CONFLICTS BE RESOLVED.

1. CAST IN PLACE CONCRETE MUST COMPLY WITH THE AMERICAN CONCRETE INSTITUTE (ACI- 318-14), COMMENTARY, (ACI-318R-14), AND THE

CONCRETE NOTES

SPECIFICATIONS FOR STRUCTURAL CONCRETE (ACI 301).

2. DETAILING OF ALL CONCRETE STEEL REINFORCEMENT MUST BE IN ACCORDANCE WITH THE MANUAL OF STANDARD PRACTICE FOR

DETAILING REINFORCED CONCRETE STRUCTURES (ACI-315).

3. ALL CONCRETE SHALL BE NORMAL WEIGHT WITH A 28 DAY COMPRESSIVE STRENGTH OF 4000 PSI.

CONCRETE EXPOSED TO WEATHER SHALL BE AIR ENTRAINED.

4. REINFORCING STEEL SHALL COMPLY WITH ASTM A-615 GRADE 60.

SPECIFICATION REFERENCES

1. FLOWABLE FILL SPECIFICATION IS FOUND IN SECTION 31 23 00.00 20 EXCAVATION AND FILL. NOTE AT LOCATIONS WHERE FLOWABLE FILL IS CALLED FOR, HAND PLACING OF RIPRAP IS AN ACCEPTABLE ALTERNATIVE.

2. REFERENCE SECTION 31 68 13 SOIL ANCHORS FOR SOIL ANCHORS CALLED OUT FOR BRIDGE 4920.

3. REFERENCE SECTION 32 01 29.63 CONCRETE PAVEMENT RAISING FOR RAISING THE SETTLED SECTIONS OF TUNNEL SECTIONS IN BRIDGE 4920.

4. REFERENCE SECTION 31 32 23 FOUNDATION DRILLING AND GROUTING FOR GROUTING STABILIZATION OF TUNNEL SECTIONS AND RAILROAD EMBANKMENT STABILIZATION ON BRIDGE 492O.

5. FOR CONCRETE REPAIR OF SPALLS AND CRACKS IN BRIDGE DECKS, BENTS, ABUTMENTS AND CONCRETE PILES REFERENCE SECTION 03 01 00 REHABILITATION OF CONCRETE.

6. FOR DETAILS ON RIPRAP FOR BT-11 BRIDGE EMBANKMENTS AND BRIDGE 4920 EMBANKMENT REFERENCE SECTION 31 23 00.00 20 EXCAVATION AND FILL.

7. FOR DETAILS ON PAINTING OF BRIDGE 4341 AND TOUCH UP PAINTING OF GALVANIZED STEEL UTILITY FRAMES AT THE BT-11 BRIDGES REFERENCE SECTION 09 97 13.27 EXTERIOR COATING OF STEEL STRUCTURES.

8. FOR DETAILS ON THE STEEL GRATING TO BE INSTALLED ON BRIDGE 4341, REFERENCE SECTION 05 50 13 MISCELLANEOUS METAL FABRICATION.

9. FOR DETAILS ON THE PAINT FOR ROAD MARKINGS ON BRIDGE 4062, REFERENCE SECTION 32 17 23 PAVEMENT MARKINGS. PAINT 2 - YELLOW LINES AT THE TRAFFIC CENTER LINE 10" APART.

WHITE LINES AT EDGE OF TRAVEL LANES. PAINT LINE WIDTH SHALL BE 4". PAINTING WILL OCCUR AFTER ALL SURFACE REPAIRS OF BRIDGE 4062 ARE COMPLETE.

4. THE CONTRACTOR SHALL ARRANGE FOR A PUMPING SYSTEM TO ALLOW STREAM FLOW TO PASS THROUGH THE TUNNEL (BRIDGE 4920) WITHOUT INTERFERING WITH

THE WORK. IT IS ANTICIPATED THAT A SMALL COFFER DAM WILL BE NEEDED TO CREATE A POOL FOR PUMPING.

5. THE CONTRACTOR SHALL ARRANGE FOR A GROUND PENETRATING RADAR SCAN OF THE BOTTOM SLAB OF THE RAILROAD TUNNEL (BRIDGE 4920) FOR TWO PURPOSES.

ONE TO LOCATE THE SLAB REINFORCING STEEL AT THE BOTTOM OF THE SLAB TO AVOID CUTTING THEM DURING DRILLING AND TWO FOR LOCATIONG POTENTIAL VOIDS

UNDER THE SLAB FOR GROUT INJECTION FOR STABILIZATION OF THE BOTTOM SLAB.

TO THE RANGE TOWERS.

REV. 2 9/4/20

10. THE PAINT ON BRIDGE 4341 TESTED POSITIVE FOR LEAD. LEAD PAINT REMEDIATION IS REQUIRED, REFERENCE SPECIFICATION SECTION 02 83 00 LEAD REMEDIATION FOR REQUIREMENTS.

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NAVAL FACILITIES ENGINEERING COMMAND - MIDATLANTIC

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SPEC. NO.

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SHEET OF

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CODE ID. NO. 80091 SIZE D

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CHIEF ARCH./ ENGR.

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BRANCH MANAGER

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DESIGN DIRECTOR

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FIRE PROTECTION

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PROJECT MANAGER

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DESIGNED & ENGINEERED BY:

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APPROVED

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ACTIVITY - SATISFACTORY TO

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FOR EFD FOR COMMANDER NAVFAC

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DESCRIPTION

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MCAS CHERRY POINT DM&EB

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A/E'S USE THIS SPACE FOR YOUR ADDRESS INFO.

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WO 6844738 BRIDGE REPAIRS

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MARINE CORPS AIR STATION

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NAVAL STATION - NORFOLK, VA.

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CHERRY POINT, NC