called north - boston · t2scope of work, roof compositions, general notes & key plan a1.1roof...

CONFORMATION STATEMENT:

IN CONFORMATION WITH THE COMMONWEALTH OF MASSACHUSETTS STATE

BUILDING CODE, I HEREBY CERTIFY TO THE BEST OF MY KNOWLEDGE THAT THE

PLANS, COMPUTATIONS AND SPECIFICATIONS MEET THE APPLICABLE PROVISIONS

OF SAID CODE, ALL ACCEPTED ENGINEERING PRACTICES AND ALL APPLICABLE

LAWS AND ORDINANCES.

DESIGNER:

RUSSO BARR ASSOCIATES, INC.

55 SIXTH ROAD, SUITE 6

WOBURN, MA 01801

ANDREW N. BARR, P.E.

781.273.1537

Patrick I. Brophy, Chief of Operations

CITY OF BOSTON PUBLIC FACILITIES DEPARTMENT

Patricia M. Lyons, Director

CONFORMATION STATEMENT:

IN CONFORMATION WITH THE COMMONWEALTH OF MASSACHUSETTS STATE

BUILDING CODE, I HEREBY CERTIFY TO THE BEST OF MY KNOWLEDGE THAT THE

PLANS, COMPUTATIONS AND SPECIFICATIONS MEET THE APPLICABLE PROVISIONS

OF SAID CODE, ALL ACCEPTED ENGINEERING PRACTICES AND ALL APPLICABLE

LAWS AND ORDINANCES.

DESIGNER:

RUSSO BARR ASSOCIATES, INC.

55 SIXTH ROAD, SUITE 6

WOBURN, MA 01801

ANDREW N. BARR, P.E.

781.273.1537

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BOSTON CITY HALLMARTIN J. WALSH, MAYOR

MASONRY & ROOF REPAIR PROJECTPFD PROJECT NO. 7135

SHEET INDEX

T1 TITLE SHEETT2 SCOPE OF WORK, ROOF COMPOSITIONS,

GENERAL NOTES & KEY PLANA1.1 ROOF AREA PLAN & KEY PLANA1.2 ROOF AREA PLANSA1.3 CONCEPTUAL ROOF TAPERED PLANSA2.1 EAST & PARTIAL NORTH ELEVATIONSA2.2 PARTIAL ELEVATION SECTIONA3.1 EXISTING DETAILSA3.2 DETAILSA3.3 DETAILSA3.4 DETAILSA3.5 DETAILS

FEBRUARY 09, 2018 95% CD SUBMISSION

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Boston City Hall

SEE ROOF AREA PLAN A1.1

ELEVATION WORK IN CONTRACT

EPDM MEMBRANE, ADHERED

POLYISOCYANURATE INSULATION,SET IN ASPHALT

EXISTING CONCRETE ROOF DECK

BASE SHEET SET IN COAL TAR PITCH

NOTE: ROOF AREAS 4 & 5 HAVE AN EXISTING BUILT UPROOFING SYSTEM TO REMAIN (N.I.C.)

EPDM MEMBRANE, ADHERED

TAPERED AT 1/8" PER FOOTPOLYISOCYANURATE INSULATION,MECHANICALLY ATTACHED

EXISTING CONCRETE ROOF DECK

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KEY PLAN (NTS)

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EXISTING ROOF COMPOSITION PROPOSED NEW ROOF COMPOSITIONEXISTING ROOF COMPOSITIONS

ROOF AREAS 1, 2, 3A & 3B --- TYPICAL EXISTING CROSS SECTION

SCALE: 3" = 1'-0" SCALE: 3" = 1'-0"

ROOF AREAS 1, 2, 3A & 3B --- TYPICAL NEW CROSS SECTION

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1. CONTRACTOR SHALL BE RESPONSIBLE FOR FIELD VERIFYING ALL EXISTING CONDITIONS, MEASUREMENTS, DIMENSIONS, AND RELATED CONTRACTOR SHALL BE RESPONSIBLE FOR FIELD VERIFYING ALL EXISTING CONDITIONS, MEASUREMENTS, DIMENSIONS, AND RELATED WORK ITEMS. NOTIFY ENGINEER IMMEDIATELY IF DISCREPANCIES IN DOCUMENTS ARE FOUND. 2. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS AND LICENSES, PAY ALL FEES, AND COMPLY WITH ALL CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS AND LICENSES, PAY ALL FEES, AND COMPLY WITH ALL REGULATIONS OF ALL AUTHORITIES HAVING JURISDICTION RELATING TO THE BUILDING OR PRESERVATION OF PUBLIC HEALTH AND BUILDING OR PRESERVATION OF PUBLIC HEALTH AND SAFETY. 3. ALL WORK TO COMPLY WITH THE MASSACHUSETTS STATE BUILDING CODE, LATEST EDITION AND OTHER PERTINENT LOCAL BUILDING ALL WORK TO COMPLY WITH THE MASSACHUSETTS STATE BUILDING CODE, LATEST EDITION AND OTHER PERTINENT LOCAL BUILDING REGULATIONS, CODES, MANUFACTURER'S REQUIREMENTS, AND INDUSTRY STANDARDS. 4. CONTRACTOR TO LEGALLY DISPOSE OF ALL MATERIALS OFF-SITE AND IN ACCORDANCE WITH LOCAL REGULATIONS. USE OF ON-SITE CONTRACTOR TO LEGALLY DISPOSE OF ALL MATERIALS OFF-SITE AND IN ACCORDANCE WITH LOCAL REGULATIONS. USE OF ON-SITE OWNER DUMPSTER SHALL BE PROHIBITED. LOCATION OF THE CONTRACTOR'S DUMPSTER SHALL BE COORDINATED WITH THE OWNER. 5. ALL WORK SHALL BE IN ACCORDANCE WITH THE PROJECT MANUAL AND DRAWINGS. THE WRITTEN REQUIREMENTS OF THE ROOFING ALL WORK SHALL BE IN ACCORDANCE WITH THE PROJECT MANUAL AND DRAWINGS. THE WRITTEN REQUIREMENTS OF THE ROOFING THE WRITTEN REQUIREMENTS OF THE ROOFING SYSTEM MANUFACTURER SHALL ALSO BE ADHERED TO. CONTRACTOR IS RESPONSIBLE FOR NOTIFYING THE MANUFACTURER OF THE PROJECT, OBTAINING REQUIRED APPROVAL LETTERS AND SUBMITTALS, AND PERFORMING THE WORK ACCORDING TO THE REQUIREMENTS AS STIPULATED. 6. ACCESS TO THE INTERIOR OF THE BUILDINGS SHALL NOT BE ALLOWED WITHOUT PROPER NOTIFICATION TO THE OWNER. ACCESS TO THE INTERIOR OF THE BUILDINGS SHALL NOT BE ALLOWED WITHOUT PROPER NOTIFICATION TO THE OWNER. 7. CONTRACTORS SET-UP AND DISPOSAL AREAS SHALL NOT BLOCK FIRE LANES NOR INHIBIT ACCESS INTO OR OUT OF THE BUILDINGS. CONTRACTORS SET-UP AND DISPOSAL AREAS SHALL NOT BLOCK FIRE LANES NOR INHIBIT ACCESS INTO OR OUT OF THE BUILDINGS. OVERHEAD PROTECTION SHALL BE PROVIDED AT ALL DOORWAYS LOCATED BELOW WORK AREAS. PROTECTION OF EPDM ROOF MEMBRANE SYSTEM AND SKYLIGHTS SHALL BE PROVIDED AT ALL WORK AREAS. INTERIOR PROTECTION AND CLEAN UP SHALL BE INTERIOR PROTECTION AND CLEAN UP SHALL BE PROVIDED AS NECESSARY AND AS REQUIRED ON A DAILY BASIS. 8. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LEAVING THE SITE IN A CLEAN AND UNOBSTRUCTED MANNER AT THE END OF EACH THE CONTRACTOR SHALL BE RESPONSIBLE FOR LEAVING THE SITE IN A CLEAN AND UNOBSTRUCTED MANNER AT THE END OF EACH DAY. 9. AT THE COMPLETION OF THE WORK, THE CONTRACTOR SHALL PROVIDE TO THE OWNER ALL REQUIRED PROJECT CLOSE-OUT AT THE COMPLETION OF THE WORK, THE CONTRACTOR SHALL PROVIDE TO THE OWNER ALL REQUIRED PROJECT CLOSE-OUT PAPERWORK INCLUDING THE SPECIFIED CONTRACTOR'S GUARANTEE AND MANUFACTURER'S WARRANTIES.. INCLUDING THE SPECIFIED CONTRACTOR'S GUARANTEE AND MANUFACTURER'S WARRANTIES.. . 10. CONTRACTOR SHALL BE RESPONSIBLE TO MAINTAIN COMPLETE WATERTIGHTNESS AND WEATHERTIGHTNESS. CONTRACTOR CONTRACTOR SHALL BE RESPONSIBLE TO MAINTAIN COMPLETE WATERTIGHTNESS AND WEATHERTIGHTNESS. CONTRACTOR SHALL COORDINATE ALL WORK WITH OTHER TRADES TO PREVENT EXPOSURE OF THE BUILDING TO INCLEMENT WEATHER AND LEAKS AT ALL TIMES. 11. CONTRACTOR SHALL INSTALL NEW ROOFING ON A DAILY BASIS. TEMPORARY OR PHASED ROOFING IS NOT ALLOWED. CONTRACTOR CONTRACTOR SHALL INSTALL NEW ROOFING ON A DAILY BASIS. TEMPORARY OR PHASED ROOFING IS NOT ALLOWED. CONTRACTOR SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE OF A DAILY "TIE-IN" BETWEEN EXISTING AND NEW ROOF AREAS INSTALLATION AND MAINTENANCE OF A DAILY "TIE-IN" BETWEEN EXISTING AND NEW ROOF AREAS SO AS TO MAINTAIN COMPLETE WATERTIGHTNESS. CONTRACTOR SHALL COORDINATE ALL WORK WITH OCCUPANTS AND OTHER TRADES ON A DAILY BASIS TO MINIMIZE DISRUPTION AND TO PREVENT EXPOSURE OF THE BUILDING TO INCLEMENT WEATHER, ROOF RELATED DEBRIS, AND LEAKS AT ALL TIMES. 12. ALL ITEMS ARE NEW UNLESS DESIGNATED EXISTING ALL ITEMS ARE NEW UNLESS DESIGNATED EXISTING 13. ALL BUILDINGS WILL BE FULLY OCCUPIED AND IN FULL OPERATION DURING THE CONSTRUCTION PERIOD. ALL SERVICES, EQUIPMENT AND ALL BUILDINGS WILL BE FULLY OCCUPIED AND IN FULL OPERATION DURING THE CONSTRUCTION PERIOD. ALL SERVICES, EQUIPMENT AND SYSTEMS SHALL REMAIN IN FULL USE AND OPERATION AT ALL TIMES. 14. FINAL NEW ROOF COMPOSITIONS TO BE DETERMINED BY ACCEPTED FM GLOBAL ASSEMBLY.FINAL NEW ROOF COMPOSITIONS TO BE DETERMINED BY ACCEPTED FM GLOBAL ASSEMBLY.

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WORK INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING: MASONRY: (DCAMM CERTIFIED MASONRY CONTRACTOR SHALL BE GENERAL CONTRACTOR) : (DCAMM CERTIFIED MASONRY CONTRACTOR SHALL BE GENERAL CONTRACTOR) (DCAMM CERTIFIED MASONRY CONTRACTOR SHALL BE GENERAL CONTRACTOR) 100% REPOINTING AT THE EAST ELEVATION (IN SCOPE OF WORK AREA). THE WEEP TUBES SHALL BE GROUND-OFF WHEN THE MORTAR JOINTS ARE REPOINTED. REPLACE THE CRACKED AND BROKEN BRICKS IN THE LOCATIONS OF CRACKING (60±SF). SEE ELEVATION DRAWINGS FOR LOCATIONS. SAW CUT VERTICAL CONTROL JOINTS INTO THE FLAT BRICK CONSTRUCTION TO ACCOMMODATE ANY FUTURE MOVEMENT OF THE BRICK MASONRY. THE CONTROL JOINTS SHALL BE TREATED WITH PROPER SEALANT JOINTS. SEE ELEVATION DRAWINGS FOR LOCATIONS. REPLACE LEAD COATED COPPER FLASHING AT THE CORBELLED BRICK CONSTRUCTION TERMINATIONS AT THE LOWER LEVEL LOCATIONS. SEE ELEVATION DRAWINGS FOR LOCATIONS. INSTALL STAINLESS STEEL HELICAL TIES THROUGHOUT THE EAST ELEVATION (IN SCOPE OF WORK AREA) MASONRY FAÇADE. THRU-WALL FLASHINGS LOCATED WITHIN THE BASE OF BRICK MASONRY WALLS, ABOVE THE EPDM ROOFING AT ROOF AREAS 1, 2, 3A, AND 3B, SHALL BE REPLACED AND PROPERLY TIED INTO THE CONCRETE BACK-UP WALLS. REMOVE AND REPLACE OF ALL CAPSTONE SEALANT JOINTS ON THE EAST ELEVATION. INSTALL SHEET METAL CAPSTONE CAPS OVER THE VERY TOP/NEARLY HORIZONTAL PORTION OF THE LARGE SLOPED CAPSTONES. INSTALL SHEET METAL DRIP EDGE AT THE TOP OF THE CORBELLED BRICK CONSTRUCTION. INSTALL WATER REPELLANT APPLICATION TO THE BRICK MASONRY AND BROWNSTONE CAPSTONE SURFACES (AT EAST ELEVATION IN SCOPE OF WORK AREA). CORE FOR OVERFLOW SCUPPERS AND OVERFLOW ROOF DRAIN. REMOVE AND REPLACE ROOF DRAINS. INSTALL ONE NEW OVERFLOW DRAIN AND RELATED PIPING AND INSULATION. REMOVE, STORE, PROTECT AND REINSTALL ALL EXISTING LIGHTING, CAMERAS, CABLES AND OTHER INCIDENTAL ITEMS. ROOFING (DCAMM CERTIFIED ROOFING CONTRACTOR; FILED SUB BID REQUIRED) (DCAMM CERTIFIED ROOFING CONTRACTOR; FILED SUB BID REQUIRED) REMOVE AND REPLACE ALL EXISTING ROOFING, FLASHING AND INSULATION AT ROOF AREAS 1, 2, 3A AND 3B. INSULATION SHALL BE TAPERED AT 1/8" PER FOOT. INSTALL SHEET METAL CAPSTONE CAPS OVER THE FLAT CAPSTONES AT ROOF AREAS 1 AND 3A. REMOVE AND REPLACE ALL SKYLIGHT DOMES AND FRAMES. INSTALL OVERFLOW SCUPPER SLEEVES AND FLASHING. INSTALL WOOD BLOCKING AND NAILERS AS REQUIRED.

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1A1.1

ROOF AREA PLAN (SEE A1.2 FOR ROOF AREA BREAKOUT)

ELEV. 28'+/-AREA #2

ELEV. 28'+/-AREA #1

ELEV. 41'+/-AREA #3A

ELEV. 28'+/-AREA #1

ELEV. 41'+/-AREA #3B

ELEV. 41'+/-AREA #4 (N.I.C.)

N.I.C.

1

A2.2

ELEV. 54'+/-AREA #5 (N.I.C.)

ODRD

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NOTE N0. 5

NOTE N0. 5

Boston City Hall

SEE ROOF AREA PLAN A1.1


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KEY PLAN (NTS)

CALLED NORTH

NOTES

1. INSTALL SHEET METAL PARAPET CAP ENTIRELENGTH

2. REPLACE THROUGH-WALL FLASHING ENTIRELENGTH OF INDICATED WALLS

3. TERMINATE SHEET METAL PARAPET CAP INTOSAW CUT REGLET CUT INTO SLOPEDCAPSTONE 2" ABOVE SLOPED TO LEVELTRANSITION

4. SOLDER SLOPED CAPSTONE CAP TO LEVEL

CAPSTONE CAP @ CORNERS

5. SKYLIGHT EXISTING UNDER BRICK CORBEL;NOT SHOWN ON THIS DRAWING FOR

CLARITY, REFER TO DRAWING A1.2

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3A1.2

ROOF AREAS #3A & #3B


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1A1.2

ROOF AREAS #2

ELEV. 28'+/-AREA #2

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OVERHANGING CORBELLED BRICKNOT SHOWN FOR CLARITY OVERHANGING CORBELLED BRICK

NOT SHOWN FOR CLARITY

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THRU-WALL SCUPPER, SEE DETAIL4/A3.4

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LEGENDDESCRIPTIONSYMBOL

ROOF DRAIN

ELEVATION RELATIVE TO GROUND

DETAILDETAIL REF.

1/A3.4

PYRAMID SKYLIGHT 2/A3.2

ROOF OVERFLOW DRAIN 2/A3.4

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MITER TAPERED INSULATION

MITER TAPERED INSULATION

SCALE: 1/8" = 1'-0" (ABOVE 3TH FLOOR ASSESSING DEPT.)

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ROOF AREAS #3A & #3B

SCALE: 1/8" = 1'-0" (ABOVE 2RD FLOOR PARKING CLERK)

1A1.3

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ROOF AREA #1

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NOT SHOWN FOR CLARITYOVERHANGING CORBELLED BRICKNOT SHOWN FOR CLARITY

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THRU-WALL SCUPPER, SEE DETAIL

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PYRAMID SKYLIGHT 2/A3.2

ROOF OVERFLOW DRAIN 2/A3.4

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1. PROVIDE TAPERED INSULATION (1/8" PER FOOT). THE MINIMUM PROVIDE TAPERED INSULATION (1/8" PER FOOT). THE MINIMUM R-VALUE SHALL EQUAL 30. 2. TAPERED INSULATION PANELS (SUMPS) ARE TO BE INSTALLED AT TAPERED INSULATION PANELS (SUMPS) ARE TO BE INSTALLED AT ALL ROOF DRAINS AS INDICATED. SLOPE INTO ROOF DRAIN SHALL BE MINIMUM 1/4" PER FOOT.

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GENERAL NOTES

MR. POPPER'S PENGUINS MR. POPPER'S PENGUINS MR. POPPER'S PENGUINSMR. POPPER'S PENGUINS

FIRST FLOOR

EL = -0'-0"

SECOND FLOOR

EL = 15'-0"

THIRD FLOOR ROOF AREAS #1 & #2

EL = 31'-0"

FOURTH FLOOR (ROOF AREAS #3A, 3B, & 4)

EL = 45'-0"

FIFTH FLOOR

EL = 63'-0"

SIXTH FLOOR

EL = 82'-0"

SEVENTH FLOOR

EL = 95'-6"

EIGHTH FLOOR

EL = 109'-0"

NINTH FLOOR

EL = 122'-6"

ROOF (TOP OF SLAB)

EL = 135-6"

FIRST FLOOR

EL = -0'-0"

SECOND FLOOR

EL = -8'-9-1/2"

THIRD FLOOR

EL = 0'-0"

FOURTH FLOOR

EL = 10'-5-1/2"

FIFTH FLOOR

EL = 19'-3"

SIXTH FLOOR

EL = 28'-0-1/2"

SEVENTH FLOOR

EL = 36'-10"

EL = 54'-5"

EIGHTH FLOOR

EL = 45'-7-1/2"

NINTH FLOOR

ROOF (TOP OF SLAB)

EL = 63'-2-1/2"

SCALE: 1/16" = 1'-0"

1A2.1

EAST ELEVATION

FIRST FLOOR

EL = -0'-0"

SECOND FLOOR

EL = -8'-9-1/2"

THIRD FLOOR

EL = 0'-0"

FOURTH FLOOR

EL = 10'-5-1/2"

FIFTH FLOOR

EL = 19'-3"

SIXTH FLOOR

EL = 28'-0-1/2"

SCALE: 1/16" = 1'-0"

2A2.1

PARTIAL NORTH ELEVATION

REFERENCE SECTION 1/A2.2

REFERENCE DETAIL 5/A3.2 FORTHRU-WALL FLASHING

REFERENCE DETAIL 5/A3.2 FORTHRU-WALL FLASHING

INSTALL PARAPET CAPREPLACE CONTROL JOINT,SEE DETAIL 5/A3.5

REPAIR 3' CRACK IN BRICKREPAIR 6' CRACK IN BRICK REPAIR 2' CRACK IN BRICK

REPAIR 5' CRACK IN BRICKREPAIR 5' CRACK IN BRICK ON RETURN WALL

REPAIR 3' CRACK IN BRICK

REPAIR (2) EA SPALLED BRICKS AT BASE OF DOOR

REPAIR HOLE IN BRICKREPAIR METAL FLASHING

REPLACE BACKER ROD ANDSEALANT AT ALL SOFT JOINTS ATCAP STONE, ON RETURN WALL

REPLACE BACKER ROD ANDSEALANT AT ALL SOFT JOINTS ATCAP STONE, TYPICAL

EXTENT OF WORK (LEVELS 1-3)


NOT IN CONTRACT

VENT CRACK ON INSIDE ELEVATION

REPAIR 6' CRACK INBRICK REPAIR 6' CRACK IN BRICK

REPOINT AND WATERPROOFELEVATION BEYOND IN STAIRWAY ANDINBOARD SIDE OF STAIRWAY WALL

NEW CONTROL JOINT TYPICAL,SEE DETAIL 5/A3.5

NEW CONTROL JOINT TYPICAL, SEEDETAIL 5/A3.5



REMOVE AND REPLACE LEAD COATEDCOPPER ARCHITECTURAL FEATURE STRIPS(REFERENCE DETAILS 1&2 ON A3.5)

1

A2.2

BRICK REPOINTING N.I.C. THISELEVATION

BRICK REPOINTING N.I.C., TYPICAL @LIGHTER SHADE OF BRICK

PARAPET CAP TO BE INSTALLED (THIS ELEVATION)

PARAPET CAP TO BE INSTALLED




REPOINT AND WATERPROOFELEVATION AT RETURN WALL

INSTALL PARAPET CAP

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KEY PLAN (NTS)


DETAILDETAIL REF.

AREA OF 100% REPOINTING,MASONRY WATERPROOFING ANDHELICAL WALL TIES

3/A3.5

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SCALE: 3/8" = 1'-0"

1A2.2

PARTIAL SECTION

EXISTING ROOF SYSTEM TOREMAIN AT THIS LEVEL

1

A3.2

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A3.21

A3.2

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A3.21

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CORBELLED WALL AREA TO BEREPOINTED 100%, WATERPROOFED,AND TO RECEIVE HELICAL WALLTIES AS SHOWN ON 3/A3.5

CORBELLED WALL AREA TO BEREPOINTED 100%, WATERPROOFED,AND TO RECEIVE HELICAL WALL TIESAS SHOWN ON 3/A3.5

CORBELLED WALL AREA TO BEREPOINTED 100%, WATERPROOFED,AND TO RECEIVE HELICAL WALL TIESAS SHOWN ON 3/A3.5

ROOF AREA #1 & #2

ROOF AREA #3 & #3A

ROOF AREA #1 & #2

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SEE TYPICAL ROOF SYSTEMDESCRIPTION ON DRAWING T2

SCALE: 3" = 1'-0"

5A3.1

EXISTING THRU-WALL FLASHING DETAILSCALE: 1-1/2" = 1'-0"

3A3.1

EXISTING TOP OF CORBELL DETAIL

SCALE: 3" = 1'-0"

1A3.1

EXISTING BROWNSTONE CAPSTONE DETAIL

SCALE: 3" = 1'-0"

2A3.1

EXISTING THRU-WALL FLASHING DETAIL


EXISTING COPPER THRU-WALL TO BEREMOVED

EXISTING 1" ± MORTAR

EXISTING CONCRETE WALL

EXISTING EPDM MEMBRANE TO BE REMOVED

EXISTING BRICK MASONRY

EXISTING COPPER THRU-WALL TO BEREMOVED

EXISTING CONCRETE


EXISTING MEMBRANE TO BE REMOVED

EXISTING CORBELLED BRICK MASONRY TOBE REMOVED AND REINSTALLED, SEEDETAIL 2/A3.2

EXISTING SKYLIGHT TOBE REMOVED


EXISTING FLASHING


EXISTING COPPER FLASHING TO BE REMOVED

EXISTING BROWNSTONE PARAPET CAP

EXISTING FLASHING, CONTINUOUS AS SHOWN ON ORIGINALCONSTRUCTION DRAWINGS BUT NOT ABLE TO CONFIRM IN FIELD

EXISTING CONCRETE

EXISTING SEALANT AND BACKER ROD

EXISTING SEALANT ANDBACKER ROD TO BEREMOVED

SCALE: NTS

4A3.1

EXISTING PARAPET DETAIL


EXISTING COPPER FLASHING TO BE REMOVED


EXISTING FLASHING

EXISTING CONCRETE




EXISTING BRICK MASONRY TO BE REMOVEDAND REINSTALLED, SEE DETAIL 5A3.2

PROJECT NO

DA

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DESC

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DRAWING NO

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SCALE: NTS

4A3.2

PARAPET DETAILSCALE: 3" = 1'-0"

5A3.2

THRU-WALL FLASHING DETAILSCALE: 1-1/2" = 1'-0"

3A3.2

DRIP EDGE DETAIL AT TOP OF CORBELL

SCALE: 3" = 1'-0"

1A3.2

BROWNSTONE CAPSTONE DETAIL @ ROOF AREAS AREAS 1, 2, 3 & 3A

SCALE: 3" = 1'-0"

2A3.2

THRU-WALL FLASHING DETAIL @ SKYLIGHT

REMOVE AND REINSTALL (2) EA BRICKCOURSED TO INSTALL BITUMINOUS MEMBRANEFLASHING

BITUMINOUS MEMBRANE FLASHING

ALUMINUM TERMINATION BAR, SEE DETAIL 3/A3.3

20 OZ COPPER THRU-WALL

1" ± MORTAR



REMOVE AND REINSTALL (2) EA BRICKCOURSED TO INSTALL BITUMINOUS MEMBRANEFLASHINGBITUMINOUS MEMBRANE FLASHING



EXISTING CONCRETE


EPDM MEMBRANE


CURB MOUNTED PYRAMID STYLESKYLIGHT


20 OZ LEAD COATED COPPERREGLET DRIP EDGE - INSERT INSAW CUT

APPROVED SEALANT

APPROVED FASTENER

APPROVED SEALANT

EXISTING THRU-WALL & FLASHING


CONTINUOUS 20 OZ LEAD COATED COPPER HOOK STRIP

APPROVED FASTENER - CENTERED IN FACE OF CAPSTONE@ 12" O.C.

EXISTING BROWNSTONE PARAPET CAP (REPAIR CRACKS ANDLOOSE STONE AS NOTED ON A1.1)

20 OZ LEAD COATED COPPER CAP

EXISTING FLASHING


APPROVED SEALANT ANDBACKER ROD

CONTINUOUS 20 OZ LEADCOATED COPPER HOOK STRIP

APPROVED FASTENER

EAST ELEVATION WORK IN CONTRACT NOTES (SEE A2.1):1) RE-POINT BRICK 100%2) APPLY SPRAY MASONRY WATERPROOFING (100%

COVERAGE)

EAST ELEVATION WORK IN CONTRACT NOTES (SEE A2.1):1) RE-POINT BRICK 100%2) APPLY SPRAY MASONRY WATERPROOFING (100% COVERAGE)

REMOVE EXISTING COPPER FLASHING FLUSH WITHCONCRETE SURFACE (SEE EXISTING DETAIL)


EXISTING FLASHING

EXISTING CONCRETE


EXISTING BRICK MASONRYEPDM MEMBRANE

APPROVED FASTENER WITH RUBBER WASHER- CENTERED IN FACE OF CAPSTONE @ 12" O.C.

20 OZ LEAD COATED COPPER COPING

2" MIN

1-1/2"

NEW WOOD BLOCKING ANDFILLERS TO MATCH INCREASE ININSULATION THICKNESS

APPROVED FASTENER & DISC FASTENED @ 12" O.C..060" EPDM FLASHING MEMBRANE, ADHERED

EPDM ADHESIVE (TYP.)CONTINUOUS LAP SEALANT TYPICAL

20 OZ COPPER CONTINUOUS HOOK STRIP

REMOVE EXISTING COPPER FLASHING FLUSH WITH CONCRETESURFACE (SEE EXISTING DETAIL)

EXISTING CONCRETE



6' EPDM FLASHING

APPROVED FASTENER & DISC FASTENED @ 12" O.C.

.060" EPDM FLASHING MEMBRANE, ADHERED


6' EPDM FLASHING

.032" PAINTED WHITE ALUMINUMTRIM TO COVER EXPOSED WOODBLOCKING




SEE A3.1 FOR EXISTING DETAILS

PROJECT NO

DA

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DESC

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ALUM. TERMINATION BAR (TYPICAL)

APPROVED FASTENER FASTENEDAT 12" O.C. (TYPICAL)

MANUFACTURERS APPROVEDSEALANT (TYPICAL)

PRIMER

BITUMINOUS WATERPROOFING

SCALE: NTS

3A3.3

TERMINATION BAR DETAIL

EXISTING WALL SYSTEM

SCALE: 3"=1'-0"

2A3.3

REGLET FLASHING DETAIL


EXISTING CONCRETE COLUMN

LEAD WEDGES, AND SEALANT

CUT-IN 20 OZ COPPER REGLETMETAL COUNTERFLASHING

2" WIDE, 20 OZ COPPER CLIPS @12" O.C.MAX, BEHIND TERMINATION BAR

REFERENCE DETAIL 3/A3.3 FOR TERMINATIONOF EPDM FLASHING MEMBRANE 8" MIN. HEIGHT

4 IN"

MIN



SCALE: 3" = 1'-0"

1A3.3

BROWNSTONE CAPSTONE DETAIL @ ROOF AREAS 4 & 5

EXISTING BUILT UP ROOFSYSTEM TO REMAIN AT ROOFAREA 4 & 5

CONTINUOUS 20 OZ LEAD COATED COPPER HOOKSTRIP


APPROVED FASTENER - CENTERED IN FACE OFCAPSTONE @ 12" O.C.

EXISTING COPPER FLASHING TO REMAIN

EXISTING BROWNSTONE PARAPET CAP (REPAIRCRACKS AND LOOSE STONE AS NOTED ON A1.1)

20 OZ LEAD COATED COPPER CAP

EXISTING FLASHING

EXISTING CONCRETE


APPROVED SEALANT ANDBACKER ROD

CONTINUOUS 20 OZ LEADCOATED COPPER HOOK STRIP

APPROVED FASTENER

EAST ELEVATION WORK IN CONTRACT NOTES (SEE A2.1):1) RE-POINT BRICK 100%2) APPLY SPRAY MASONRY WATERPROOFING (100%

COVERAGE)

2" MIN

PROJECT NO

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SCALE: 3" = 1'-0"

1A3.4

ROOF DRAIN FLASHING DETAIL

5A3.4

OVERFLOW SCUPPER DETAILSCALE: 3" = 1'-0"

SCALE: 3"=1'-0"

2A3.4

OVERFLOW ROOF DRAIN FLASHING DETAIL


1/4" PER FOOT TAPERED POLYISOCYANURATEINSULATION DRAIN SUMP, ADHERED IN INSULATIONADHERSIVE

CAST IRON DRAIN STRAINER

CAST IRON CLAMPING RING

MANUFACTURERS APPROVED SEALANT

2'-0" TO DRAIN CENTER LINE4'-0" X 4'-0" DRAIN SUMP OVERALL (TYPICAL)

TOP MOUNT DECK PLATE

CAST IRON DRAIN BOWLLEAD AND OAKUM JOINT

EXISTING DRAIN LEADER PIPE

POLYISOCYANURATE INSULATIONSUMP BASE LAYERJACKETED DRAIN INSULATION

SLOPE = 1/4" / 1'-0"

DRAIN ELEVATOR

APPROVED FASTENER

2" HIGH WATER DAM


1/4" PER FOOT TAPERED POLYISOCYANURATEINSULATION DRAIN SUMP, ADHERED IN INSULATIONADHERSIVE

CAST IRON DRAIN STRAINER

CAST IRON CLAMPING RING

MANUFACTURERS APPROVED SEALANT

2'-0" TO DRAIN CENTER LINE4-0" X 4'-0" DRAIN SUMP OVERALL (TYPICAL)

TOP MOUNT DECK PLATE

CAST IRON DRAIN BOWLLEAD AND OAKUM JOINT

DRAIN LEADER PIPE

POLYISOCYANURATE INSULATIONSUMP BASE LAYERJACKETED DRAIN INSULATION

SLOPE = 1/4" / 1'-0"

DRAIN ELEVATOR

APPROVED FASTENER

SCALE: 3" = 1'-0"

3A3.4

THRU-WALL DRAIN FLASHING DETAIL

REMOVE AND REINSTALL (2) EA BRICKCOURSED TO INSTALL BITUMINOUS MEMBRANEFLASHING




1" ± MORTAR



VANDAL PROOF CAST IRON GRATESCUPPER DRAIN ASSEMBLY INSTALLEDABOVE ROOF DECK

PRESSURE TREATED WOOD BLOCKING (CUT AS SHOWN) TOBE INSTALLED UNDER FLANGE OF SCUPPER DRAIN. FASTENWOOD BLOCKING WITH APPROVED FASTENER

EXTEND PVC ROOF MEMBRANE ONTO FLANGE SCUPPERDRAIN ASSEMBLY. INSTALL ROOF MANUFACTURESAPPROVED SEALANT BETWEEN FLANGE AND MEMBRANE

4A3.4

THRU-WALL SCUPPER DETAILSCALE: 3" = 1'-0"

SEE TYPICAL ROOFSYSTEM DESCRIPTIONON DRAWING T-2

4"X4" SCUPPER FLUSH WITH ROOF MEMBRANE,WITH 4" FLANGE SET IN SEALANT

EPDM FLASHING OVER PRIMER


2'-9"± @ COLUMN

SEE TYPICAL ROOFSYSTEM DESCRIPTIONON DRAWING T-2

EPDM PRIMER (TYP.)

FASTENER & DISC FASTENED @ 12" O.C.

RUBBER UNDERLAYMENT SECUREMENTSTRIP (3" WIDE)


LAP SEALANT (TYP.)

SCUPPER 1" ABOVE ROOF MEMBRANE, FLANGESET IN SEALANT



LAP SEALANT (TYP.)


12" EPDM FLASHING

NOTE: SEE REGLET FLASHING DETAIL FOR TERMINATION ABOVE


NOTE: SEE PARAPET FLASHING DETAIL FOR TERMINATION ABOVE

PROJECT NO

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DESC

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SCALE: 3" = 1'-0"

1A3.5

COPPER ARCHITECTURAL FEATURE STRIP DETAIL

BRICK BEYOND -- REMOVE AND REINSTALL (3) EABRICK COURSED TO INSTALL BITUMINOUS MEMBRANEFLASHING & COPPER PAN (CORBELL BRICK TO REMAIN)



20 OZ COPPER PAN FLASHING

EXISTING BLOCKING TO REMAIN


NEW BLOCKING TO BE FLUSH WITH EXISTING(THICKNESS NOT SHOWN FOR CLARITY)

20 OZ L.C.C. ARCHITECTURAL FEATURE STRIP WITH20 OZ L.C.C. BLIND NAILER (OVERLAP SECTIONS BY3" MIN.)

EXISTING CONCRETE WALLEXISTING CONCRETE WALL

20 OZ COPPER PAN FLASHING &BITUMINOUS MEMBRANE FLASHING @BOTTOM 3 BRICK COURSESNEW BLOCKING TO BE FLUSHWITH EXISTING SEE DETAIL 1/A2.3

20 OZ L.C.C. BLIND NAILER

20 OZ L.C.C. ARCHITECTURALFEATURE STRIP (OVERLAPSECTIONS BY 3" MIN.)

CONTINUOUS SEALANT

CONTINUOUS MODIFIEDUNDERLAYMENTCONTINUOUS BITUMINOUS MEMBRANE

SCALE: 3" = 1'-0"

2A3.5

COPPER ARCHITECTURAL FEATURE STRIP DETAIL

SECURE EXISTING VENEER @ 24"HORIZONTALLY AND 18" VERTICALLY W/SPIRAL ANCHORS - PRE-DRILL HOLESFROM THE OUTSIDE AND EMBED INTOBACK-UP WALL A MINIMUM OF 2"

ANCHOR TO BE EMBEDDED 3/4" FROMVENEER FACE - MORTAR APPLIED TOCOVER ANCHOR HOLE, COLOR ANDTEXTURE TO MATCH REPOINTING

EXTERIOR WYTHE

CONCRETE BACKUP WALL


SCALE: 3" = 1'-0"

3A3.5

HELICAL-TIE WALL DETAILSECURE EXISTING VENEER @ 24"HORIZONTALLY AND 18" VERTICALLY W/SPIRAL ANCHORS - PRE-DRILL HOLESFROM THE OUTSIDE AND EMBED INTOBACK-UP WALL A MINIMUM OF 2"


SCALE: 3" = 1'-0"

4A3.5

HELICAL-TIE WALL LAYOUT DETAIL

18"

24"

3/8"

3/16"

CONTINUOUS BACKER ROD OR BONDBREAKER TAPE

CONTINUOUS SEALANT

SCALE: N.T.S.

5A3.5

CONTROL JOINT DETAIL

EXISTING BRICK- SAW CUT FOR NEWJOINTS AS REQUIRED

NOTE: SEE DETAIL 4/A3.5 FOR HELICAL-TIE WALL LAYOUT

PROJECT NO

DA

TE

NO

DESC

RIP

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DATE

SCALE


DRAWING NO

BY

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2017059

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called north - boston · t2scope of work, roof compositions, general notes & key plan a1.1roof...

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