02-A-101-EXISTING- FILL AND NEW BLDG 2160 ROOF PLAN ELEVATION VIEW AND DETAIL.pdf

EXISTING BLDG 2160 ROOF PLAN FILL INSULATION LAYOUT - BLDG 2160 NEW BLDG 2160 ROOF PLAN

GENERAL PROJECT NOTES

1. THIS FACILITY MUST REMAIN IN OPERATION DURING ALL PHASES OF THE WORK. UNLESS OTHER

ARRANGEMENTS ARE MADE, PUBLIC ACCESS DOORS SHALL REMAIN OPEN FOR USE AT ALL TIMES

DURING THE WORK. IN ORDER TO ENABLE OVERHEAD WORK TO PROCEED WITHOUT ENDANGERING

PERSONNEL, THE CONTRACTOR SHALL COORDINATE WITH THE OCCUPANTS AND ERECT WARNING

TAPE, SIGNS, OR EMPLOY OTHER MEASURES ADEQUATE TO ENSURE THAT NEITHER THE PUBLIC, BUILDING OCCUPANTS OR EQUIPMENT ARE STRUCK BY FALLING OBJECTS. CLOSED AREAS MAY BE EMPLOYED. CONTRACTOR SHALL FURNISH SUFFICIENT BARRICADES TO ADEQUATELY IDENTIFY THE

CLOSED AREA(S). BARRICADING SHALL BE ACCOMPLISHED AT NO ADDITIONAL COST TO THE

GOVERNMENT.

2. LOCATION AND SIZE OF ROOF PENETRATIONS AND EQUIPMENT ARE APPROXIMATE, CONTRACTOR

SHALL FIELD VERIFY LOCATION AND SIZE OF ROOF PENETRATIONS AND EQUIPMENT.

3. DISPOSE OF CONSTRUCTION DEBRIS ON A DAILY BASIS. ENSURE THAT ALL MATERIALS LEFT

UNATTENDED ARE SECURED AGAINST BLOWING. THE CONSTRUCTION AND DEMOLITION DEBRIS

DISPOSAL REPORT SHALL BE SUBMITTED AS REQUIRED IN SPECIFICATIONS

4. THE CONTRACTOR SHALL:

A. CHECK ALL DRAWINGS FURNISHED IMMEDIATELY UPON RECEIPT;

B. COMPARE ALL DRAWINGS AND VERIFY THE FIGURES BEFORE LAYING OUT THE WORK;

C. PROMPTLY NOTIFY THE CONTRACTING OFFICER OF ANY DISCREPANCIES;

D. BE RESPONSIBLE FOR ANY ERRORS THAT MIGHT HAVE BEEN AVOIDED BY COMPLYING WITH THIS

REQUIREMENT; AND

E. REPRODUCE AND PRINT CONTRACT DRAWINGS AND SPECIFICATIONS, AS NEEDED.

5. IN GENERAL

A. LARGE SCALE DRAWINGS SHALL GOVERN SMALL SCALE DRAWINGS; AND

B. THE CONTRACTOR SHALL FOLLOW FIGURES MARKED ON DRAWINGS IN PREFERENCE TO SCALE

MEASUREMENTS.

6. OMISSIONS FROM DRAWINGS OR SPECIFICATIONS OR THE MISDESCRIPTION OF DETAILS OF WORK THAT ARE MANIFESTLY NECESSARY TO CARRY OUT THE INTENT OF THE DRAWINGS AND SPECIFICATIONS OR

THAT ARE CUSTOMARILY PERFORMED SHALL NOT RELIEVE THE CONTRACTOR FROM PERFORMING

SUCH OMITTED OR MISDESCRIBED DETAILS OF THE WORK. THE CONTRACTOR SHALL PERFORM SUCH

DETAILS AS IF FULLY AND CORRECTLY SET FORTH AND DESCRIBED IN THE DRAWINGS AND

SPECIFICATIONS

DEMOLITION PLAN KEY NOTES

CONTRACTOR SHALL REMOVE AND DISPOSE AGGREGATE

SURFACING, AND BUR MEMBRANE DOWN TO BARE

CONCRETE DECKING.

REMOVE AND DISPOSE EXISTING EDGE METAL LOCATED

ALONG ROOF EDGES.

REMOVE AND DISPOSE LEAD PLUMBING VENT JACKS

ASSUME THAT SOME WOODEN PRODUCTS ON THE ROOF,

HAVE DETERIORATED AND WILL BE REPLACED. ASSUME

THAT ONE FOURTH OF THE WOOD FASCIA BOARD IS TO BE

REPLACED

SPECIALIZED PROJECT NOTES

1. THE WORK CONSISTS OF THE DEMOLITION OF EXISTING BUILT-UP ROOFING MEMBRANE DOWN TO BARE

DECK. INSTALL BASE SHEET OVER LIGHT WEIGHT CONCRETE DECKING, FOLLOWED BY INSTALLATION OF A 4-PLY BUILT-UP ROOFING MEMBRANE. WORK INCLUDES THE INSTALLATION OF RAISED EDGES.

WORK WILL BE LOCATED ON THE ROOF OF THIS BUILDING.

2. CONTRACTOR SHALL PROVIDE MANUFACTURE'S 10 YEAR NDL WARRANTY, AND ROOFING SYSTEM

INSTALLER'S 5 YEAR WARRANTY.

3. AT LOCATION CHOSEN BY CONTRACTING OFFICER'S REPRESENTATIVE, CONTRACTOR SHALL PERFORM "ROOF CORING IN PREPARATION OF REROOFING". BUILDING 2160, SHALL HAVE ONE CORE PERFORMED.

ROOF CORING REPORT SHALL BE SUBMITTED AS REQUIRED IN SPECIFICATIONS.

4. ASBESTOS RECORDS AND SURVEYS, MAINTAINED BY THE ENVIRONMENTAL SECTION INDICATES BUILT

UP ROOF CONTAINS ASBESTOS. AT LOCATIONS CHOSEN BY CONTRACTING OFFICER AND

REPRESENTATIVE OF CONTRACTOR, ROOFING SAMPLES SHALL BE TAKEN AND TESTED FOR THE

PRESENCE OF ASBESTOS CONTAINING MATERIAL. UNTIL TEST RESULTS PROVIDE CONFIRMATION, ASSUME THIS ROOF CONTAINS ASBESTOS AND REMOVE MEMBRANE AND FLASHINGS ACCORDINGLY.

THREE SAMPLES FOR TESTING WILL BE TAKEN FROM THIS ROOF.

CONSTRUCTION PLAN KEY NOTES

FOR THIS ROOF, INSTALL BASE SHEET FOLLOWED BY THE

INSTALLATION OF A 4-PLY ASPHALT BUILT-UP ROOFING

MEMBRANE WITH AGGREGATE SURFACING OVER

CONCRETE DECKING.

INSTALL A QUARTER INCH PER FOOT TAPERED

INSULATION OVER ROOF AS INDICATED ON DRAWING.

ADDITIONALLY, INSTALL PERLITE FILL INSULATION, AS

NECESSARY TO INSTALL TAPERED INSULATION..

AT EQUIPMENT, INSTALL CRICKET (WITH 1/2 INCH PER

FOOT SLOPE). PROVIDE AND INSTALL STRIP IN FLASHING

AS REQUIRED.

PROVIDE AND INSTALL APPROVED JACKS FOR PLUMBING

VENTS. INSTALL STRIP-IN FLASHING AS REQUIRED.

AT EDGE OF ROOF, FABRICATE AND INSTALL KYNAR

FINISHED GALVANIZED DRIP EDGE. REFERENCE DETAILS

FOR APPROXIMATE PROFILE OF NEW EDGE METAL.

INSTALL EDGE ENVELOPE AND STRIP-INFLASHING, AS

REQUIRED.

1" PERLITE FILL INSULATION

NO PERLITE FILL INSULATION

SECTION BLDG 2160 - INFORMATION ONLYINFORMATION ONLY