9-Attachment F- 73135-Permit Submission REV.pdf

METAL

ACOUSTICAL TILE

CERAMIC TILE,

CEMENT, GROUT

GYPSUM BOARD,

(RIGID)

INSULATION

(BATT OR LOOSE)

INSULATION

WOOD (ROUGH)

WOOD (FINISHED)

PLYWOOD

(SMALL SCALE)

METAL

(LARGE SCALE)

MATERIALS

MASONRY UNIT

CONCRETE

BRICK

CONCRETE

GRAVEL

EARTH

BUILDING SECTION LETTER

SHEET WHERE CUT

SHEET WHERE DRAWN

SECTION NUMBER

DETAIL NUMBERCOLUMN DESIGNATION

A

ABBREVIATIONS GENERAL NOTES

SYMBOLS BUILDING DATA

INDEX OF DRAWINGSMAPS

ACM ASBESTOS CONTAINING

MATERIALS

ACS FLR ACCESS FLOOR (ING)

ACS PNL ACCESS PANEL

ACST ACOUSTIC (AL)

AD AREA DRAIN

ADJ ADJACENT; ADJUSTABLE

ADDL ADDITIONAL

ADDM ADDENDUM

AFC ABOVE FINISH COUNTER

AFF ABOVE FINISH FLOOR

AL ALUMINUM

ALT ALTERNATE

ANSI AMERICAN NATIONAL STANDARDS

INSTITUTE

APPROX APPROXIMATE

ARCH ARCHITECT (URAL)

ASC ABOVE SUSPENDED CEILING

ASPH ASPHALT

ASTM AMERICAN SOCIETY FOR TESTING

AND MATERIALS

BAL BALANCE

BD BOARD

BITUM BITUMINOUS

BLDG BUILDING

BLKG BLOCKING

BOT BOTTOM

BRDG BRIDGING

BS BOTH SIDES

BTWN BETWEEN

BUR BUILT-UP ROOFING

CAB CABINET

CAP CAPACITY

CH BD CHALKBOARD

CI CAST IRON

CJ CONTROL JOINT

CLG CEILING

CLO CLOSET

CLR CLEAR

CMU CONCRETE MASONRY UNIT

CO CASED OPENING

COL COLUMN

CONC CONCRETE

CONN CONNECTION

CONSTR CONSTRUCTION

CONT CONTINUOUS

CONTR CONTRACTOR

COORD COORDINATE

CPT CARPET (ED)

CSK COUNTER SUNK

CT CERAMIC TILE

CU COPPER

CW COLD WATER

D DEPTH; DEEP

DBL DOUBLE

DET DETAIL

DF DRINKING FOUNTAIN

DIA DIAMETER

DIM DIMENSION

DN DOWN

DR DOOR

DS DOWNSPOUT

DWG DRAWING

E EAST

EA EACH

EE EACH END

EF EACH FACE

EJ EXPANSION JOINT

EL ELEVATION

ELEC ELECTRIC (AL)

ELEV ELEVATOR

EMER EMERGENCY

ENCL ENCLOSE (URE)

EPDM ETHYLENE PROPYLENE DIENE

MONOMER

EQ EQUAL

EQUIP EQUIPMENT

EW EACH WAY

EWC ELECTRIC WATER COOLER

EXH EXHAUST

EXIST EXISTING

EXP EXPOSED; EXPANSION

EXT EXTERIOR; EXTINGUISHER

F FAHRENHEIT

F/O FACE OF

FA FIRE ALARM

FD FLOOR DRAIN

FDTN FOUNDATION

FE FIRE EXTINGUISHER

FH FIRE HYDRANT

FIN FINISH (ED)

FLASH FLASHING

FLR FLOOR

FLUOR FLUORESCENT

FR FIRE RESISTANT

FRTW FIRE RETARDANT TREATED WOOD

FT FOOT, FEET

FTG FOOTING

FTR FLUE THRU ROOF

FURG FURRING (ED)

GA GAGE

GALV GALVANIZED

GL GLASS

GYP GYPSUM

HB HOSE BIBB

HC HANDICAP

HCW HOLLOW CORE WOOD

HDW HARDWARE

HM HOLLOW METAL

HORIZ HORIZONTAL

HPT HIGH POINT

HT HEIGHT

HVAC HEATING/VENTILATING/AIR

CONDITIONING

HW HOT WATER

ID INSIDE DIAMETER

INCL INCLUDE (D), (ING)

INFO INFORMATION

INSUL INSULATION; INSULATED

INT INTERIOR

JAN JANITOR

JST JOIST

JT JOINT

L LONG; LENGTH

LAB LABORATORY

LAM LAMINATE (D)

LAV LAVATORY

LBS POUNDS

LF LINEAR FEET

LPT LOW POINT

MACH MACHINE

MAS MASONRY

MATL MATERIAL

MAX MAXIMUM

MKR BD MARKER BOARD

MDF MEDIUM DENSITY FIBERBOARD

MECH MECHANICAL

MED MEDIUM

MTL METAL

MFR MANUFACTURER

MIN MINIMUM; MINUTE

MISC MISCELLANEOUS

MO MASONRY OPENING; MOTOR

OPERATED

MTD MOUNTED

MTG MOUNTING

N NORTH

NIC NOT IN CONTRACT

NO NUMBER

NOM NOMINAL

NTS NOT TO SCALE

OC ON CENTER

OD OUTSIDE DIAMETER

OPNG OPENING

OPP OPPOSITE

OVHD OVERHEAD

PART PARTIAL

PL PLATE

PLAM PLASTIC LAMINATE

PLAS PLASTER

PLBG PLUMBING

PLYWD PLYWOOD

PNL PANEL

PTD PAINTED

PTN PARTITION

PVC POLYVINYL CHLORIDE

QT QUARRY TILE

R RADIUS; RISER

RD ROOF DRAIN

REINF REINFORCEMENT

REQD REQUIRED

RESIL RESILIENT

REV REVISION

RM ROOM

RO ROUGH OPENING

RTU ROOF TOP UNIT

RWL RAIN WATER LEADER

S SOUTH

SAPC SUSPENDED ACOUSTICAL PANEL

CEILING

SATC SUSPENDED ACOUSTICAL TILE

CEILING

SCHED SCHEDULE (D)

SCW SOLID CORE WOOD

SECT SECTION

SF STOREFRONT; SQUARE FOOT

SIM SIMILAR

SQ SQUARE

SST STAINLESS STEEL

ST STREET

STC SOUND TRANSMISSION CRITERIA

STD STANDARD

STL STEEL

STOR STORAGE

STRUCT STRUCTURE (AL)

SUSP SUSPENDED

SYMM SYMMETRY (ICAL)

T TREAD

T&G TONGUE AND GROOVE

T/O TOP OF

TEL TELEPHONE

TEMP TEMPERATURE; TEMPORARY

THK THICK (NESS)

THRU THROUGH

TK BD TACK BOARD

TOW TOP OF WALL

TRTD TREATED

TV TELEVISION

TYP TYPICAL

UC UNDER COUNTER

UGND UNDERGROUND

UL UNDERWRITER'S LABORATORIES

UON UNLESS OTHERWISE NOTED

VCT VINYL COMPOSITION TILE

VERT VERTICAL

VTR VENT THRU ROOF

VWC VINYL WALL COVERING

W WIDTH; WASTE; WEST; WIRE

W/ WITH

W/O WITHOUT

WC WATER CLOSET

WD WOOD

WDW WINDOW

WP WATERPROOF (ING); WORK POINT

WT WEIGHT

WWR WELDED WIRE REINFORCING

XFMR TRANSFORMER

FI

LE

SC

AL

E:

DA

TE

TI

ME

5- T0

NO

T

TO

S

CA

LE

/13 /24

:20

:31

DRAWING NUMBER

T001

ARCHITECTURE ENGINEERING PLANNING

10201 FAIRFAX BOULEVARD, SUITE 225, FAIRFAX, VIRGINIA

G A U T H I E R A L V A R A D O A S S O C I A T E S

703-241-2202 WWW.GAA-AE.COM

FAIRFAX COUNTY

GERRY HYLAND

ROOF AND HVAC ALTERATIONS

05-15-2024PERMIT SUBMISSION

PROJECT SUMMARY

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

A A101 A301

A101 A501

A101 A501

LOBBY

ROOM DESIGNATION

ROOM NUMBER

1. PERFORM WORK IN ACCORDANCE WITH APPLICABLE FEDERAL, STATE AND LOCAL GOVERNING

ORDINANCES, CODES AND REGULATIONS.

2. ALL MATERIALS SHALL COMPLY WITH APPLICABLE CODES, ORDINANCES AND REGULATIONS.

(ALL WOOD FOR FRAMING OR BLOCKING SHALL BE FIRE RETARDANT TREATED.)

3. VISIT AND BECOME FAMILIAR WITH THE SITE AND BUILDING PRIOR TO BID. INCLUDE THE COST

OF ALL WORK DESCRIBED IN THE CONTRACT DOCUMENTS AND THAT IS REQUIRED OR

REASONABLY IMPLIED TO ACHIEVE THE DESIGN INTENT OF THE CONTRACT DOCUMENTS.

4. NOTIFY THE ARCHITECT OF ANY CONFLICTS BETWEEN EXISTING CONDITIONS AND THE NEW

WORK, OF ANY OMISSIONS OR CONFLICTS IN THE DRAWINGS AND ANY RESTRICTIONS RELATED

TO THE EXECUTION OF THE WORK INCLUDING THE COORDINATION WITH OTHER TRADES.

5. FIELD VERIFY ALL CONDITIONS AND DIMENSIONS INDICATED AND NOTIFY THE ARCHITECT OF

ANY VARIATION PRIOR TO THE PURCHASING OF MATERIALS, FABRICATION OR CONSTRUCTION

OF ANY ITEM.

6. MAINTAIN THE INTEGRITY OF ALL EXISTING FIRE ASSEMBLIES.

7. PROTECT EXISTING BUILDING FROM WEATHER DURING EXECUTION OF THE WORK; AND

PROTECT EXISTING ADJACENT AREAS FROM DAMAGE DURING EXECUTION OF THE WORK. ALL

ITEMS DAMAGED DURING THE WORK SHALL BE REPLACED AT THE CONTRACTOR'S EXPENSE.

8. ADJACENT AREAS OF THE EXISTING FACILITY WILL REMAIN IN OPERATION WHILE WORK IS BEING

DONE. ALL WORK SHALL BE COORDINATED WITH THE OWNER'S REPRESENTATIVE, AND SHALL

BE SEQUENCED AND PERFORMED IN A MANNER TO MINIMIZE ANY IMPACTS ON EXISTING

FACILITY OPERATIONS.

9. BUILDING IS CONSTRUCTED WITH REINFORCED CONCRETE POST-TENSION SLABS. NO SLAB

TENDONS SHALL BE CUT.

10. ANY BUILDING UTILITY OR EQUIPMENT SHUTDOWNS SHALL BE COORDINATED WITH FAIRFAX

COUNTY PROJECT MANAGER PRIOR TO SCHEDULING WORK.

VICINITY MAP LOCATION MAP

PROJECT INFORMATION

T001 COVER SHEET

ARCHITECTURAL

A100 SITE AND PHASING PLAN

D101 LOWER ROOF DEMOLITION ROOF PLAN

D102 PENTHOUSE AND ENTRANCE CANOPY DEMOLITION ROOF PLANS

A101 LOWER ROOF PLAN

A102 PENTHOUSE AND ENTRANCE CANOPY ROOF PLANS

A103 ENLARGED PARTIAL ROOF PLAN

A104 5TH FLOOR REFLECTED CEILING PLAN

A501 DETAILS

A502 DETAILS

A503 DETAILS

STRUCTURAL

S101 ROOF PLAN

S201 SECTIONS & DETAILS

PLUMBING

P001 COVER SHEET

P101 ROOF PLAN

P201 ENLARGED ROOF PLANS - GAS

MECHANICAL

M001 COVER SHEET

M101 ROOF PLAN - DEMOLITION

M201 ROOF PLAN

M301 SECTIONS

M601 SCHEDULES

ELECTRICAL

E001 GENERAL NOTES AND SCHEDULES

E101 PARTIAL DEMOLITION ROOF POWER PLAN

E201 PARTIAL ROOF POWER PLAN

E601 SCHEDULES

COOLING TOWER DRAINAGE

A400 SPECIFICATIONS AND DETAILS

A401 ENLARGED PARTIAL ROOF PLAN

A402 5TH FLOOR BUILDING CORE PLAN

A403 1ST FLOOR AND 2ND - 4TH FLOOR BUILDING CORE PLANS

A410 UL INFORMATION

P400 SPECIFICATIONS

P401 PARTIAL ROOF PLAN & RISER

P402 FIRST FLOOR PLAN

P403 PARTIAL PLANS

M401 PARTIAL PLANS

KEY NOTE

REVISION NUMBER

PROJECT CONSISTS REPLACEMENT OF ROOF ASSEMBLY AND SELECT ROOF TOP

MECHANICAL UNITS ALONG WITH ASSOCIATED UTILITY WORK THROUGH THE BUILDING

CORE UTILITY SPACES ON EACH FLOOR.

MO-DA-YR

05-15-24

SCOPE OF WORK:

EXISTING BUILDING INFORMATION

ORIGINAL BLDG CODE AND YEAR: VSBC 1996

YEAR BUILT: 2000

USE GROUP OF BUILDING: B - BUSINESS

TYPE OF CONSTRUCTION: 2B

NUMBER OF STORIES: 5 FLOORS + PENTHOUSE

HIGH RISE BUILDING: NO

GROSS FLOOR PLATE AREA: 30,869 SF

OCCUPANT LOAD (BUSINESS 1/100): 309 PER FLOOR

EXISTING FIRE PROTECTION SYSTEM

SPRINKLERS: FULLY

APPROVED CENTRAL STATION: YES

FIRE ALARM SYSTEM: YES

STANDPIPES: YES

EXISTING FIRE RATING REQUIREMENTS

APPLICABLE CODES

2021 VIRGINIA UNIFORM STATEWIDE BUILDING CODE

2021 VIRGINIA EXISTING BUILDING CODE, LEVEL 2 ALTERATIONS PER SECTION 601.2.2

2020 NFPA 70 NATIONAL ELECTRIC CODE

2009 ACCESSIBLE AND USABLE BUILDINGS AND FACILITIES (ICC/ANSI A117.1)

PROPOSED AREA OF WORK

USE GROUP: U-UTILITY

TYPE OF CONSTRUCTION: II A

FLOOR NUMBER: PENTHOUSE AND ROOF

1ST - 5TH FLOORS - MECHANICAL ROOM

BUILDING HEIGHT: 64'-8" (NOT INCLUDING PENTHOUSE)

ROOF AREAS: MAIN ROOF 31,876 SF

PENTHOUSE ROOF 3,180 SF

ENTRANCE CANOPY 1,683 SF

ROOF WIND

UPLIFT VALUES: FIELD 34.16 LB/FT2

PERIMETER 53.63 LB/FT2

CORNER 79.09 LB/FT2

RISK CATEGORY: II

EXPOSURE CATEGORY: B

COLUMNS: 2 HR

BEARING WALLS: NA

NONBEARING WALLS/PARTITIONS: 0

2 HRFLOOR CONSTRUCTION:

ROOF CONSTRUCTION: 2 HR

SHAFT ENCLOSURES: 2 HR UL U438 (EXISTING)

EXISTING REINFORCED CONC FLOOR SLAB THICKNESS = 9" MIN

EXISTING REINFORCED CONC ROOF SLAB THICKNESS = 9" MIN

EXISTING REINFORCED CONC COLUMNS 24"x24"

- EXCEEDS TABLE 722.2.4 REQUIREMENTS

- EXCEEDS TABLE 722.2.2.1 REQUIREMENTS

- EXCEEDS TABLE 722.2.2.1 REQUIREMENTS

FACILITIES MANAGEMENT DEPARTMENT

GERRY HYLAND GOVERNMENT CENTER

POINTS OF CONTACT PROJECT

LOCATION

GERRY HYLAND

GOVERNMENT CENTER

AMANDA OSIECKI, aosiecki@gaa-ae.com

GAUTHIER, ALVARADO & ASSOCIATES

10201 FAIRFAX BLVD, SUITE 225, FAIRFAX, VA 22030

TELEPHONE: 703-241-2202

A/E'S REPRESENTATIVE:

8350 RICHMOND HWY, ALEXANDRIA, VA

GOVERNMENT CENTER

BUILDING PURPOSE / FUNCTION:

DOUG HATFIELD, PROJECT MANAGER

FAIRFAX COUNTY FACILITIES MANAGEMENT DEPARTMENT

12000 GOVERNMENT CENTER PARKWAY, SUITE 424

FAIRFAX, VIRGINIA 22035

TELEPHONE: 703-324-3930

OWNER'S REPRESENTATIVE:

05-15-24

05-15-24

KRISTA LYNN STRICKLAND

Lic. No. 011890

AMANDA C. OSIECKI

Lic. No. 53637

RALPH HOFFMAN

Lic. No. 018804

FI

LE

SC

AL

E:

DA

TE

TI

ME

5- A1

NO

T

TO

S

CA

LE

/15 /24

:36

:26

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xxxxxxxxxxx x x x x xx xxx x x x x x

RICHMOND HIGHWAY

BUCKMAN R

OAD

FIRE DEPARTMENT ACCESS

ENTRANCE

EGRESS

STAIR

ENTRANCE

MAIN

ENTRANCE

FAIRFAX COUNTY VEHICLE PARKING

ACCESSIBLE

PARKING - 2

ACCESSIBLE

PARKING - 1

ACCESSIBLE

PARKING - 3

FENCED

PATIO

BUS SHELTER

BLDG SIGNAGE

LOADING

TRASH

ELEC

DROP

OFF

FIRE DEPT

CONNECTION

SITE & PHASING PLAN

1" = 40"

20' 0 40' 80'

1" = 40'

PROPOSED CONTRACTOR PARKING / TRAILER AREA

SITE & PHASING PLAN KEYNOTES

1. THIS PLAN IS PROPOSED BY THE DESIGNER, CONTRACTOR IS RESPONSIBLE FOR PRODUCING AND SUBMITTING PHASING DOCUMENTATION REQUIRED PER PROJECT

SPECIFICATIONS AND OWNER DIRECTION.

2. THIS PLAN IS NOT A COMPLETE REPRESENTATION OF ALL EXISTING CONDITIONS, THIS PLAN IS SCHEMATIC IN NATURE AND INTENDS TO SHOW THE GENERAL EXTENT

AND LAYOUT OF EXISTING SITE.

3. CONTRACTOR IS RESPONSIBLE TO COORDINATE ALL TRADES DURING CONSTRUCTION. CONTRACTOR SHOULD REVIEW ALL TRADES FOR ANY MISCELLANEOUS WORK

NOT SHOWN ON ARCHITECTURAL DRAWINGS TO PROVIDE A 100% COMPLETE PROJECT.

4. COORDINATE SCHEDULE AND SECURITY REQUIREMENTS WITH FAIRFAX COUNTY PROJECT MANAGER.

5. ANY EXISTING SECURITY SYSTEMS MUST BE PROTECTED AND OPERATIONAL AT ALL TIMES. CONTRACTOR TO SUBMIT WORK SCHEDULE WITH DAYS AND HOURS FOR COORDINATION WITH BUILDING SECURITY AND FAIRFAX COUNTY PROJECT MANAGER. PHASING SCHEDULE TO BE SUBMITTED WEEKLY FOR FOLLOWING WEEKS STAGING

AREAS.

6. ACCESSIBLE PARKING, STRIPPED ACCESS AISLES, AND STRIPPED ACCESS PATHS SHALL REMAIN UNOBSTRUCTED THROUGHOUT ENTIRETY OF PROJECT UNLESS GIVEN

WRITTEN PERMISSION OF THE OWNER.

7. FIRE DEPARTMENT ACCESS AREA AND FIRE DEPARTMENT CONNECTION SHALL REMAIN UNOBSTRUCTED THROUGHOUT ENTIRETY OF PROJECT.

8. DO NOT DISTURB ANY TRESS, PLANTS, OR BUSHES WITHOUT EXPRESSED WRITTEN PERMISSION FROM OWNER.

9. ANY SITE ELEMENT DAMAGE AND BUILDING EXTERIOR DAMAGE CAUSED BY CONSTRUCTION SHALL BE REPAIRED BY THE CONTRACTOR BEFORE PROJECT TURNOVER.

10. GRASS RE-SEEDING AND LANDSCAPING REPAIRS SHALL OCCUR NOT LATER THAT OCTOBER 15TH.

11. ALL ROOFING CONSTRUCTION ACTIVITIES SHALL OCCUR BETWEEN MAY AND OCTOBER.

GENERAL SITE & PHASING PLAN NOTES

ROOF AREA

#1

ROOF AREA

#2

ROOF AREA

#3

ROOF AREA

#4

ROOF AREA

#5

ROOF AREA

#6

ROOF AREA

#7

ROOF AREA

#8 (PENTHOUSE)

LEGEND

PROVIDE TEMPORARY OVERHEAD

PROTECTION THROUGHOUT

ENTIRETY OF CONSTRUCTION

ROOF AREA

#9 (CANOPY)

x x x EXISTING FENCE

EXISTING BUILDING / STRUCTURE

PROPOSED AREA

PROPOSED CRANE STAGING AREA

ARCHITECTURAL

A100

SITE & PHASING PLAN

DAP

KLS

ROOF AREA DIVISION

KRISTA LYNN STRICKLAND

Lic. No. 011890

SC

AL

E:

DA

TE

TI

ME

5-

AP

-6 P

1/4

1' -0

/30 /24

:43

:14

1 2 3 4 5 6 7 8 9 10 11 12

A

A.1

B

C

C.9

D

1 2 3 4 5 6 7 8 9 1110 12

A

A.1

B

C

C.9

D

FI

LE

SC

AL

E:

DA

TE

TI

ME

5- D1

3/3

2"

1' -0

/15 /24

:33

:53

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

1. THIS PLAN IS NOT A COMPLETE REPRESENTATION OF ALL THE EXISTING CONDITIONS.

THIS PLAN IS SCHEMATIC IN NATURE AND INTENDS TO SHOW THE GENERAL EXTENT

AND LAYOUT OF THE EXISTING FACILITY.

2. CONTRACTOR IS RESPONSIBLE TO COORDINATE ALL TRADES DURING

CONSTRUCTION. CONTRACTOR SHALL REVIEW ALL TRADES FOR ANY MISCELLANEOUS

WORK NOT SHOWN ON ARCHITECTURAL DRAWINGS TO PROVIDE A 100% COMPLETE

PROJECT.

3. FIELD VERIFY EXISTING CONDITIONS. IF A CONDITION IS NOT INDICATED ON DRAWINGS

AND IS NOT SIMILAR TO OTHER DETAILED CONDITIONS, DOCUMENT AND SUBMIT AN

RFI FOR A/E DIRECTION.

4. REMOVE INDICATED EXISTING CONSTRUCTION CLEANLY AND LEAVE EXISTING

CONSTRUCTION TO REMAIN READY TO RECEIVE NEW WORK.

5. REMOVE EXISTING CONSTRUCTION, INCLUDING MECHANICAL, PLUMBING, ELECTRICAL

WORK ETC., AS NECESSARY AND WHEREEVER NECESSARY TO PROVIDE WORK IN

ACCORDANCE WITH THE CONTRACT DOCUMENTS.

6. AS DIRECTED BY THE OWNER REMOVE, BOX, LABEL, AND DELIVER TO OWNER,

MISCELLANEOUS ITEMS OF EQUIPMENT DESIGNATED FOR REMOVAL OR LOCATED ON

SURFACES WHICH ARE NECESSARY TO BE REMOVED, UNLESS INDICATED FOR

RELOCATION.

7. DOCUMENT EXISTING SLOPES, CRICKETS AND SUMPS PRIOR TO DEMOLITION. REMOVE

EXISTING BUILT-UP ROOFING SYSTEM TO CONCRETE DECK. REMOVE RELATED

MEMBRANE AND LIQUID FLASHINGS. EXISTING FASCIA, AND COPINGS, AND METAL

FLASHING ASSEMBLIES ARE TO REMAIN UNLESS OTHERWISE NOTED.

8. PROTECT EXISTING EQUIPMENT TO REMAIN DURING CONSTRUCTION INCLUDING

MECHANICAL UNITS, DUCTING, PIPES, VENTS, PLATFORMS, ETC.

9. ONLY DEMOLISH THE AMOUNT OF ROOF MEMBRANE THAT CAN BE REPLACED IN THE

COURSE OF A DAY. AT NO TIME SHOULD THE BUILDING BE LEFT EXPOSED OVERNIGHT.

10. IF EXISTING EQUIPMENT DESIGNATED TO REMAIN IS DAMAGED AS A RESULT OF

DEMOLITION WORK, CONTRACTOR IS RESPONSIBLE FOR REPAIR OR REPLACEMENT.

11. THROUGHOUT ROOF, DETACHED LIGHTNING PROTECTION SYSTEM COMPONENTS ARE

LAYING ACROSS ROOF. SALVAGE FOR REINSTALLATION AND RELOCATE AS REQUIRED

TO COMPLETE CONSTRUCTION. COORDINATE WITH NEW WORK.

12. CONTRACTOR TO SCAN ALL PROSPECTIVE SLAB DRILL LOCATIONS BY MEANS OF

DIGITAL X-RAY OR GPR IMAGING TO VERIFY THAT THERE ARE NO CONFLICTS.

CONTRACTOR TO ADJUST CORE DRILL LOCATIONS AS REQUIRED. BUILDING IS

CONSTRUCTED WITH REINFORCED CONCRETE POST-TENSION SLABS. NO SLAB

TENDONS SHALL BE CUT.

GENERAL DEMOLITION NOTES

ARCHITECTURAL

D101

LOWER ROOF

DEMOLITION ROOF PLAN

DAP

KLS

D101 A501

D101 A501

D101 A501

D101 A501

TYPTYP

TYP

D101 A501

TYP

D101 A501

TYP

D101 A501

TYP

D101 A501

TYP

D101 A501

TYP

D101 A501

TYP

D101 A501

EXISTING SLED STRUCTURE. CONTRACTOR TO TEMPORARILY

RELOCATE ON ROOF TO ALLOW FOR DEMOLITION. COORDINATE

WITH SLED OWNER. SLED OWNER TO RECONFIGURE EQUIPMENT

OR CABELING REQUIRED TO ALLOW FOR ROOFING DEMOLITION TO

OCCUR.

REMOVE EXISTING MECHANICAL EQUIPMENT PER MEP DRAWINGS.

REMOVE EXISTING PAVERS AND MEMBRANE PADS.

REMOVE A SALVAGE EXISTING EQUIPMENT AND SKID ASSEMBLY

FOR RELOCATION DURING NEW WORK. TEMPORARILY RELOCATE

AND DISCONNECT UTILITIES AS REQUIRED FOR CONSTRUCTION.

EXISTING PENETRANT(S) TO REMAIN, REMOVE PENETRATION

POCKET ASSEMBLY.

EXISTING EQUIPMENT PLATFORM TO REMAIN.

EXISTING SMALL EQUIPMENT PLATFORM TO REMAIN.

REMOVE EXISTING RAISED PADS AND CURBS TO CONCRETE DECK.

REMOVE EXISTING SPLASH BLOCK.

EXISTING TELECOM RACEWAY ON PIPE SUPPORTS TO REMAIN,

RELOCATE AS REQUIRED FOR CONSTRUCTION. COORDINATE WITH

OWNER AND NEW WORK.

EXISTING ROOF SAFETY TIE OFF ANCHORS TO REMAIN, REMOVE

PENETRATION POCKET ASSEMBLY.

EXISTING MOVEABLE STEP TO REMAIN. RELOCATE AS REQUIRED

FOR CONSTRUCTION.

EXISTING PLATFORM STAIR STEPS RESTING ON PAVERS. REMOVE

AND SALVAGE PAVERS UNDER STAIR STRINGER FOR

REINSTALLATION DURING NEW WORK. PROVIDE TEMPORARY

SUPPORTS AT STRINGERS AS REQUIRED DURING CONSTRUCTION.

NOT USED.

REMOVE PENETRATION POCKET ASSEMBLY. CONFIRM EXISTING

PENETRATE IS ABANDONED-IN-PLACE, IF SO REMOVE. REMOVE

ANY WIRING AND CONDUIT BACK TO SOURCE PANEL. REMOVE ANY

PIPING BACK TO SOURCE AND CAP. PATCH ANY PENETRATIONS AS

A RESULT OF DEMO TO MATCH EXISTING ADJACENT

CONSTRUCTION.

EXISTING VENT TO REMAIN, REMOVE FLASHING PER DETAIL 6/A502.

EXISTING DUCT PENETRATION ASSEMBLIES THROUGH CONCRETE

DECK TO REMAIN, DO NOT DISTURB. REMOVE ADJACENT ROOF

ASSEMBLY TO CONCRETE DECK.

DOCUMENT EXISTING SUMPS TO MATCH DURING NEW

CONSTRUCTION, REMOVE ADJACENT SUMP AND DRAIN ASSEMBLY

PER DETAIL 6/A501.

DEMOLITION KEY NOTES

D1

D2

D1

D2

D2

LOWER ROOF

DEMOLITION ROOF PLAN

3/32" = 1'-0"

D3

D4

D101 A501

TYPTYP

D5

D5

D5

D5

D5 D5

D5 D5

D15

D43 D101 A501

TYP

D6

D6

D15

D7

D7

D6

D5

D3

TYP

D8

D8

TYP

D9

D9

D9

D10

D10

TYP

D5

D5

TYP

D5

TYP

D11

TYP

D5

D12

D12

D13

D13

D15

D5

10' 0 10' 20'

3/32" = 1'-0"

D14

D6

D15

D15

D5

D15

D16

D16

D16

D11

TYP

D16

D5

D5

D16

D5

D16

PARTITION / CONSTRUCTION TO REMAIN

REMOVE PARTITION / CONSTRUCTION

LEGEND:

D11

MECHANICAL

PENTHOUSE

P02

STAIR #1

P00

ELEV #1

ELEVATOR

MACHINE ROOM

P03

D17

D17

D18

D18

D18

TYP

D18

TYP

SC

AL

E:

DA

TE

TI

ME

5- D1

3/3

2"

1' -0

/15 /24

:36

:28

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

1. THIS PLAN IS NOT A COMPLETE REPRESENTATION OF ALL THE EXISTING CONDITIONS. THIS PLAN IS

SCHEMATIC IN NATURE AND INTENDS TO SHOW THE GENERAL EXTENT AND LAYOUT OF THE

EXISTING FACILITY.

2. CONTRACTOR IS RESPONSIBLE TO COORDINATE ALL TRADES DURING CONSTRUCTION.

CONTRACTOR SHALL REVIEW ALL TRADES FOR ANY MISCELLANEOUS WORK NOT SHOWN ON

ARCHITECTURAL DRAWINGS TO PROVIDE A 100% COMPLETE PROJECT.

3. FIELD VERIFY EXISTING CONDITIONS. IF A CONDITION IS NOT INDICATED ON DRAWINGS AND IS NOT SIMILAR TO OTHER DETAILED CONDITIONS, DOCUMENT AND SUBMIT AN RFI FOR A/E DIRECTION.

4. REMOVE INDICATED EXISTING CONSTRUCTION CLEANLY AND LEAVE EXISTING CONSTRUCTION TO

REMAIN READY TO RECEIVE NEW WORK.

5. REMOVE EXISTING CONSTRUCTION, INCLUDING MECHANICAL, PLUMBING, ELECTRICAL WORK ETC., AS NECESSARY AND WHEREEVER NECESSARY TO PROVIDE WORK IN ACCORDANCE WITH THE

CONTRACT DOCUMENTS.

6. AS DIRECTED BY THE OWNER REMOVE, BOX, LABEL, AND DELIVER TO OWNER, MISCELLANEOUS

ITEMS OF EQUIPMENT DESIGNATED FOR REMOVAL OR LOCATED ON SURFACES WHICH ARE

NECESSARY TO BE REMOVED, UNLESS INDICATED FOR RELOCATION.

7. DOCUMENT EXISTING SLOPES, CRICKETS AND SUMPS PRIOR TO DEMOLITION. REMOVE EXISTING

BUILT-UP ROOFING SYSTEM TO CONCRETE DECK. REMOVE RELATED MEMBRANE AND LIQUID

FLASHINGS. EXISTING FASCIA, AND COPINGS, AND METAL FLASHING ASSEMBLIES ARE TO REMAIN

UNLESS OTHERWISE NOTED.

8. PROTECT EXISTING EQUIPMENT TO REMAIN DURING CONSTRUCTION INCLUDING MECHANICAL

UNITS, DUCTING, PIPES, VENTS, PLATFORMS, ETC.

9. ONLY DEMOLISH THE AMOUNT OF ROOF MEMBRANE THAT CAN BE REPLACED IN THE COURSE OF A

DAY. AT NO TIME SHOULD THE BUILDING BE LEFT EXPOSED OVERNIGHT.

10. IF EXISTING EQUIPMENT DESIGNATED TO REMAIN IS DAMAGED AS A RESULT OF DEMOLITION WORK, CONTRACTOR IS RESPONSIBLE FOR REPAIR OR REPLACEMENT.

11. THROUGHOUT PENTHOUSE ROOF, DETACHED LIGHTNING PROTECTION SYSTEM COMPONENTS ARE

LAYING ACROSS ROOF. SALVAGE FOR REINSTALLATION AND RELOCATE AS REQUIRED TO

COMPLETE CONSTRUCTION. COORDINATE WITH NEW WORK.

GENERAL DEMOLITION NOTES

ARCHITECTURAL

D102

PENTHOUSE AND

ENTRANCE CANOPY

ROOF DEMOLITION PLANS

DAP

KLS

D102 A503

D102 A503 TYP

D102 A503

D102 A502

TYP

4A D102 A503

TYP

PENTHOUSE

ROOF DEMOLITION PLAN

3/32" = 1'-0"

ENTRANCE CANOPY

ROOF DEMOLITION PLAN

3/32" = 1'-0"

10' 0 10' 20'

3/32" = 1'-0"

10' 0 10' 20'

3/32" = 1'-0"

EXISTING LADDER ASSEMBLY TO REMAIN.

EXISTING COPING ON TOP OF ROOF SCREEN WALL TO REMAIN.

EXISTING SKYLIGHT ASSEMBLIES TO REMAIN, DO NOT DISTURB.

EXISTING PREFAB PANELS AND METAL FLASHING TO REMAIN.

TRANSLUCENT CANOPY ASSEMBLY BELOW, DO NOT DISTURB

EXISTING TELECOM RACEWAY ON PIPE SUPPORTS TO REMAIN,

RELOCATE AS REQUIRED FOR CONSTRUCTION. COORDINATE WITH

OWNER AND NEW WORK.

EXISTING EQUIPMENT AND SKID ASSEMBLY TO REMAIN.

TEMPORARILY RELOCATE AND DISCONNECT UTILITIES AS

REQUIRED FOR CONSTRUCTION. COORDINATE WITH NEW WORK.

EXISTING PENETRANT(S) TO REMAIN, REMOVE PENETRATION

POCKET ASSEMBLY.

EXISTING VENT TO REMAIN, REMOVE FLASHING PER DETAIL 6/A502.

EXISTING STACK / GOOSENECK VENT TO REMAIN. REMOVE ROOF

FLASHING PER DETAIL 3/A503.

DOCUMENT EXISTING SUMPS TO MATCH DURING NEW

CONSTRUCTION, REMOVE ADJACENT SUMP AND DRAIN ASSEMBLY

PER DETAIL 6/A501.

EXISTING SCUPPER ASSEMBLY TO REMAIN, REMOVE ADJACENT

MEMBRANE FLASHING AND ROOFING PER DETAIL 2/A503

DEMOLITION KEY NOTES

OPEN TO BELOW

TYPTYP

TYP

4B D102 A503

TYP

D102 A503

TYP

6 7

E

F

F

E

TYP

D1

D2

D3

D4

D5

D1

D2 D3

D4

D6

D5

D7

D8

D7

D7

D8

D8

D8D8

D6

D102 A501

TYP, SIM

PARTITION / CONSTRUCTION TO REMAIN

REMOVE PARTITION / CONSTRUCTION

LEGEND:

D9

D9

D9

D10

D10

D10

D11

D11

D11

D12

D12

D12

1 2 3 4 5 6 7 8 9 10 11 12

A

A.1

B

C

C.9

D

1 2 3 4 5 6 7 8 9 1110 12

A

A.1

B

C

C.9

D

FI

LE

SC

AL

E:

DA

TE

TI

ME

5- A1

3/3

2"

1' -0

/15 /24

:36

:26

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

ARCHITECTURAL

A101

LOWER ROOF PLAN

DAP

KLS

A101 A502

A101 A501

A101 A501

A101 A501

A101 A501

TYPTYP

TYP

A101 A501

TYP

A101 A501 3

A101 A501

TYP

A101 A501

TYP

A101 A501

TYP

SIM, TYP

A101 A502 TYP

A101 A501

TYP

A101 A502

TYP

A101 A501

PROVIDE FLASHING ON EXISTING STRUCTURAL POSTS PER DETAIL 1/A502.

NEW MECHANICAL EQUIPMENT PER MEP DRAWINGS. PROVIDE FLASHING AND EQUIPMENT

SUPPORT CURB ADAPTOR ASSEMBLY PER DETAIL 7/A501.

LOCATE SLED IN EXISTING LOCATION. PROVIDE ADDITIONAL WALK PADS BELOW SLED PER

MANUFACTURERS REQUIREMENTS.

NOT USED

NOT USED

PROVIDE WALKWAY PAD FROM BUR MEMBRANE MFR, LOCATE AS INDICATED.

RELOCATE SKID AND SKID MOUNTED EQUIPMENT AS LOCATED. RECONNECT UTILITIES AND

ENSURE EQUIPMENT IS FUNCTIONING PROPERLY. PROVIDE WALKWAY PADS UNDER ENTIRE

SKID ASSEMBLY.

PROVIDE FLASHING AT EXISTING PLATFORM SUPPORTS PER DETAIL 1/A502 OR 3/A503.

CONTRACTOR TO USE EITHER DETAIL FOR EASE OF INSTALLATION WITH SITE CONDITION.

AT RIGID PENETRANTS, PROVIDE LIQUID FLASHING ASSEMBLY PER DETAIL 9/A502. AT

FLEXIBLE PENETRANTS, PROVIDE FLASHING PER DETAIL 5/A502. CONTRACTOR TO VERIFY

PENETRANT TYPES IN FIELD AND EXTEND UTILITIES AS REQUIRED.

NOT USED

RAISE EQUIPMENT 18" ABOVE NEW MEMBRANE SURFACE. PROVIDE FLASHING AT

EQUIPMENT CURB PER DETAIL 3/A502.

AT EQUIPMENT PLATFORM STAIR, EXTEND WALKWAY PADS UNDER STAIR ASSEMBLY.

REINSTALL SALVAGED PAVERS UNDER STAIR STRINGERS TO MATCH PREVIOUS LOCATION.

LOCATE SO STAIR STRINGERS REST ON THE PAVERS, PROVIDE SHIMS AS REQUIRED FOR A

LEVEL INSTALLATION.

REINSTALL SALVAGED MOVEABLE STEP, LOCATE TO MATCH PREVIOUS LOCATION.

PROVIDE REPLACEMENT SPLASH BLOCK TO MATCH EXISTING, LOCATE TO MATCH

PREVIOUS LOCATION.

PROVIDE FLASHING AT ROOF SAFETY TIE OFF ANCHOR PER DETAIL 8/A502.

EXISTING TELECOM RACEWAY, AT EACH EXISTING PIPE SUPPORT PROVIDE STRIP OF

WALKWAY PAD UNDERNEATH. ADHERE STRIP TO ROOF MEMBRANE, SEE DETAIL 4/A502, SIM.

NOT USED

PROVIDE FLASHING AT EXISTING VENT PER DETAIL 6/A502.

PROVIDE PENETRATION BOX ASSEMBLY PER DETAIL 7/A502.

PROVIDE ROOF DRAIN FLASHING ASSEMBLY PER DETAIL 6/A501.

ROOF KEY NOTES

LOWER ROOF PLAN

3/32" = 1'-0"

1. THIS PLAN IS NOT A COMPLETE REPRESENTATION OF ALL THE EXISTING

CONDITIONS. THIS PLAN IS SCHEMATIC IN NATURE AND INTENDS TO SHOW THE

GENERAL EXTENT AND LAYOUT OF THE EXISTING FACILITY.

2. CONTRACTOR IS RESPONSIBLE TO COORDINATE ALL TRADES DURING

CONSTRUCTION. CONTRACTOR SHALL REVIEW ALL TRADES FOR ANY

MISCELLANEOUS WORK NOT SHOWN ON ARCHITECTURAL DRAWINGS TO PROVIDE

A 100% COMPLETE PROJECT.

3. PROVIDE REPLACEMENT ROOF ASSEMBLY. TUCK MEMBRANES UNDER EXISTING

METAL FLASHING THROUGHOUT ENTIRE ROOF. MATCH DOCUMENTED SLOPES,

CRICKETS, AND SUMPS TO MATCH EXISTING ROOF. SEE DETAIL 1/A501 FOR

TYPICAL ROOF MEMBRANE ASSEMBLY NOTES.

4. PROTECT EXISTING EQUIPMENT TO REMAIN DURING CONSTRUCTION INCLUDING

MECHANICAL UNITS, DUCTING, PIPES, VENTS, PLATFORMS, ETC.

5. IF EXISTING EQUIPMENT DESIGNATED TO REMAIN IS DAMAGED AS A RESULT OF

CONSTRUCTION, CONTRACTOR IS RESPONSIBLE FOR REPAIR OR REPLACEMENT.

6. CONTRACTOR TO REPAIR AND RE-CERTIFY EXISTING LIGHTNING PROTECTION

SYSTEM. CONTRACTOR TO PROVIDE A RE-CERTIFICATION REPORT.

7. CONTRACTOR TO SCAN ALL PROSPECTIVE SLAB DRILL LOCATIONS BY MEANS OF

DIGITAL X-RAY OR GPR IMAGING TO VERIFY THAT THERE ARE NO CONFLICTS.

CONTRACTOR TO ADJUST CORE DRILL LOCATIONS AS REQUIRED. BUILDING IS

CONSTRUCTED WITH REINFORCED CONCRETE POST-TENSION SLABS. NO SLAB

TENDONS SHALL BE CUT.

8. CONTRACTOR TO REMOVE AND REINSTALL METAL GRATE AS REQUIRED TO

ALLOW ROOFING UNDER PLATFORMS.

GENERAL ROOF NOTES

TYP

A101 A501

TYP

TYP

A101 A103

TYP

TYP

A1

A2

A3

A2

A3

A4

A5

A6

A7

A9

A9

A9

A9 A9

A9 A9

A9

A19

A9

A8

D7

A1

A11

A8

A16

A15

A13

A12

A11

A6

A12

A13

A19

A14

A14

A15

A16

A14

10' 0 10' 20'

3/32" = 1'-0"

A17

KEY NOTE NUMBER

ROOM DESIGNATION

ROOM NUMBER

LEGEND:

LOBBY

MEMBRANE WALKPAD

(2,400± SF SHOWN)

MECHANICAL

PENTHOUSE

P02

STAIR #1

P00

ELEV #1

ELEVATOR

MACHINE ROOM

P03

A9

A10

A18

A19

A18

A18

'-0

MI

N

A18

TYP

A15

TYP

A20

A18

A20

TYP

A20

TYP

A8

RDRD

RD RD RD RD RD RD

RD RD RD RD RD RD

RDRDRD

10'-0"

MIN

SC

AL

E:

DA

TE

TI

ME

5- A1

3/3

2"

1' -0

/15 /24

:14

:15

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

1. THIS PLAN IS NOT A COMPLETE REPRESENTATION OF ALL THE EXISTING

CONDITIONS. THIS PLAN IS SCHEMATIC IN NATURE AND INTENDS TO SHOW THE

GENERAL EXTENT AND LAYOUT OF THE EXISTING FACILITY.

2. CONTRACTOR IS RESPONSIBLE TO COORDINATE ALL TRADES DURING

CONSTRUCTION. CONTRACTOR SHALL REVIEW ALL TRADES FOR ANY

MISCELLANEOUS WORK NOT SHOWN ON ARCHITECTURAL DRAWINGS TO PROVIDE

A 100% COMPLETE PROJECT.

3. PROVIDE REPLACE ROOF MEMBRANE TUCKED INTO EXISTING FLASHING

THROUGHOUT ENTIRE ROOF. SEE DETAIL 1/A501 FOR TYPICAL ROOF MEMBRANE

ASSEMBLY NOTES.

4. PROTECT EXISTING EQUIPMENT TO REMAIN DURING CONSTRUCTION INCLUDING

MECHANICAL UNITS, DUCTING, PIPES, VENTS, PLATFORMS, ETC.

5. IF EXISTING EQUIPMENT DESIGNATED TO REMAIN IS DAMAGED AS A RESULT OF

CONSTRUCTION, CONTRACTOR IS RESPONSIBLE FOR REPAIR OR REPLACEMENT.

6. CONTRACTOR TO REPAIR AND RE-CERTIFY EXISTING LIGHTNING PROTECTION

SYSTEM. CONTRACTOR TO PROVIDE A RE-CERTIFICATION REPORT.

7. PROVIDE REPLACEMENT ROOF ASSEMBLY. TUCK MEMBRANES UNDER EXISTING

METAL FLASHING THROUGHOUT ENTIRE ROOF. MATCH DOCUMENTED SLOPES,

CRICKETS, AND SUMPS TO MATCH EXISTING ROOF. SEE DETAIL 1/A501 FOR

TYPICAL ROOF MEMBRANE ASSEMBLY NOTES.

GENERAL ROOF NOTES

ARCHITECTURAL

A102

PENTHOUSE AND

ENTRANCE CANOPY

ROOF PLANS

DAP

KLS

A102 A503

6 7

E

F

F

E

A102 A503

A102 A502

TYP

4A A102 A503

TYP

PENTHOUSE

ROOF PLAN

3/32" = 1'-0"

ENTRANCE CANOPY

ROOF PLAN

3/32" = 1'-0"

10' 0 10' 20'

3/32" = 1'-0"

10' 0 10' 20'

3/32" = 1'-0"

PROVIDE WALKWAY PAD FROM BUR MEMBRANE MFR, LOCATE AS

INDICATED.

REINSTALLED SKID AND SKID MOUNTED EQUIPMENT AND

RECONNECT UTILITIES. LOCATE TO MATCH PREVIOUS LOCATION.

PROVIDE WALKWAY PADS UNDER ENTIRE SKID ASSEMBLY.

AT RIGID PENETRANTS, PROVIDE LIQUID FLASHING ASSEMBLY PER

DETAIL 9/A502. AT FLEXIBLE PENETRANTS, PROVIDE FLASHING PER

DETAIL 5/A502. CONTRACTOR TO VERIFY PENETRANT TYPES IN

FIELD AND EXTEND UTILITIES AS REQUIRED.

EXISTING TELECOM RACEWAY, AT EACH EXISTING PIPE SUPPORT

PROVIDE STRIP OF WALKWAY PAD UNDERNEATH. ADHERE STRIP

TO ROOF MEMBRANE, SEE DETAIL 4/A502, SIM.

PROVIDE REPLACEMENT BUILT-UP ROOF MEMBRANE ROOF

ASSEMBLY AT CANOPY ROOF PER DETAIL 4/A503.

PROVIDE FLASHING AT EXISTING VENT PER DETAIL 6/A502.

PROVIDE FLASHING AT EXISTING STACK / GOOSENECK VENT PER

DETAIL 3/A503.

PROVIDE MEMBRANE FLASHING AT SCUPPER PER DETAIL 2/A503.

PROVIDE ROOF DRAIN FLASHING PER DETAIL 6/A501, SIM.

ROOF KEY NOTES

A1

OPEN TO BELOW

A5

TYP

A2

A3

A4

A102 A503

TYP

A3

A3

A102 A503

TYP

A3

A1

TYP

A3

A2

TYP

4B

A102 A503 TYP

A5

A4

TYP

A102 A501 TYP, SIM

A6

A7

A8

A9

A8

A8

A9

A9

A7

A7 A6

KEY NOTE NUMBER

LEGEND:

MEMBRANE WALKPAD

(400± SF SHOWN)

RD

RD

SC

AL

E:

DA

TE

TI

ME

5- A1

1/2

1'

-0

/15

/24

:14 :15

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

ARCHITECTURAL

A103

ENLARGED

PARTIAL ROOF PLAN

DAP

KLS

ENLARGED PARTIAL ROOF PLAN

1/2" = 1'-0"

1' 0 2' 4'

1/2" = 1'-0"

KEY NOTE NUMBER

LEGEND:

NEW MECHANICAL EQUIPMENT PER MEP DRAWINGS. PROVIDE FLASHING AND EQUIPMENT

SUPPORT CURB ASSEMBLY PER DETAIL 12/A502. BOTTOM OF MECHANICAL UNIT SHALL BE 18"

ABOVE T/O ROOF CAP SHEET, UON.

NEW EQUIPMENT PLATFORM, SEE DETAILS 10 & 11/A502.

PROVIDE FLASHING AND CURB ASSEMBLY FOR DUCTS SUPPORTS PER DETAIL 3/A502.

LOCATE AS REQUIRED.

PROVIDE DUCT WRAP, FLASHING AND CURB ASSEMBLY PER DETAIL 2/A502. SEE MECHANICAL

DRAWINGS FOR DUCT INFORMATION.

PROVIDE WALKWAY PAD FROM BUR MEMBRANE MFR, LOCATE AS INDICATED.

ACCESS PLATFORM AND AIR HANDLER UNIT SUPPORT FRAMING, SEE STRUCTURAL

DRAWINGS.

AT RIGID PENETRANTS, PROVIDE LIQUID FLASHING ASSEMBLY PER DETAIL 9/A502. AT

FLEXIBLE PENETRANTS, PROVIDE FLASHING PER DETAIL 5/A502. CONTRACTOR TO VERIFY

PENETRANT TYPES IN FIELD AND EXTEND UTILITIES AS REQUIRED.

PROVIDE PIPE PENETRATION SEAL ASSEMBLY PER DETAIL 3/A503.

PROVIDE PIPE SUPPORTS FOR ANY NEW PIPE RUNS PER DETAIL 4/A502. SEE MEP DRAWINGS

FOR PIPING INFORMATION.

NOT USED

PROVIDE ROOF DRAIN FLASHING ASSEMBLY PER DETAIL 6/A501.

AIR HANDLER UNIT PER MECHANICAL DRAWINGS.

NEW WORK KEY NOTES

1. THIS PLAN IS NOT A COMPLETE REPRESENTATION OF ALL THE EXISTING CONDITIONS. THIS PLAN IS SCHEMATIC IN NATURE AND INTENDS TO SHOW THE GENERAL EXTENT AND LAYOUT

OF THE EXISTING FACILITY.

2. CONTRACTOR IS RESPONSIBLE TO COORDINATE ALL TRADES DURING CONSTRUCTION. CONTRACTOR SHALL REVIEW ALL TRADES FOR ANY MISCELLANEOUS WORK NOT SHOWN ON

ARCHITECTURAL DRAWINGS TO PROVIDE A 100% COMPLETE PROJECT.

3. PROVIDE REPLACEMENT ROOF ASSEMBLY. TUCK MEMBRANES UNDER EXISTING METAL FLASHING THROUGHOUT ENTIRE ROOF. MATCH DOCUMENTED SLOPES, CRICKETS, AND SUMPS TO

MATCH EXISTING ROOF. SEE DETAIL 1/A501 FOR TYPICAL ROOF MEMBRANE ASSEMBLY NOTES.

4. PROTECT EXISTING EQUIPMENT TO REMAIN DURING CONSTRUCTION INCLUDING MECHANICAL UNITS, DUCTING, PIPES, VENTS, PLATFORMS, ETC.

5. IF EXISTING EQUIPMENT DESIGNATED TO REMAIN IS DAMAGED AS A RESULT OF CONSTRUCTION, CONTRACTOR IS RESPONSIBLE FOR REPAIR OR REPLACEMENT.

6. CONTRACTOR TO REPAIR AND RE-CERTIFY EXISTING LIGHTNING PROTECTION SYSTEM.

7. CONTRACTOR TO SCAN ALL PROSPECTIVE SLAB DRILL LOCATIONS BY MEANS OF DIGITAL X-RAY OR GPR IMAGING TO VERIFY THAT THERE ARE NO CONFLICTS. CONTRACTOR TO ADJUST CORE DRILL LOCATIONS AS REQUIRED. BUILDING IS CONSTRUCTED WITH REINFORCED CONCRETE POST-TENSION SLABS. NO SLAB TENDONS SHALL BE CUT.

GENERAL PLAN NOTES

A103 A501

TYP

SIM, TYP

30" CLR ABOVE CAP SHEET

A103 A502

A103 A502

A103 A502

A103 A502

TYP

5 5

A103 A502

EXISTING CHILLER TOWER EXISTING CHILLER TOWER EXISTING CHILLER TOWEREXISTING FRAMING

EXISTING LADDER

AND REQ CLR, TYP

EXISTING LADDER TO PENTHOUSE ROOF

PLATFORM LADDER

REQ CLR

30"

MEMBRANE WALKPAD

RD

2B

2C

2A

B B

B.4

C C

A103 A501

SC

AL

E:

DA

TE

TI

ME

5- A1

1/4

1'

-0

/15

/24

:14 :14

1. THIS PLAN IS NOT A COMPLETE REPRESENTATION OF ALL THE EXISTING

CONDITIONS. THIS PLAN IS SCHEMATIC IN NATURE AND INTENDS TO SHOW THE

GENERAL EXTENT AND LAYOUT OF THE EXISTING FACILITY.

2. CONTRACTOR IS RESPONSIBLE TO COORDINATE ALL TRADES DURING

CONSTRUCTION. CONTRACTOR SHALL REVIEW ALL TRADES FOR ANY

MISCELLANEOUS WORK NOT SHOWN ON ARCHITECTURAL DRAWINGS TO PROVIDE

A 100% COMPLETE PROJECT.

3. FIELD VERIFY EXISTING CONDITIONS. IF A CONDITION IS NOT INDICATED ON

DRAWINGS AND IS NOT SIMILAR TO OTHER DETAILED CONDITIONS, DOCUMENT

AND SUBMIT AND RFI FOR A/E DIRECTION.

4. REMOVE INDICATED EXISTING CONSTRUCTION CLEANLY AND LEAVE EXISTING

CONSTRUCTION TO REMAIN READY TO RECEIVE NEW WORK.

5. REMOVE EXISTING CONSTRUCTION, INCLUDING MECHANICAL, PLUMBING,

ELECTRICAL WORK ETC., AS NECESSARY AND WHEREEVER NECESSARY TO

PROVIDE WORK IN ACCORDANCE WITH THE CONTRACT DOCUMENTS.

6. PROTECT EXISTING EQUIPMENT TO REMAIN DURING CONSTRUCTION INCLUDING

MECHANICAL UNITS, DUCTS, PIPES, LIGHT FIXTURES, ETC.

7. IF EXISTING EQUIPMENT ADJACENT TO CONSTRUCTION IS DAMAGED AS A RESULT

OF CONSTRUCTION WORK, CONTRACTOR IS RESPONSIBLE FOR REPAIR OR

REPLACEMENT.

8. ANY REQUIRED UTILITY SHUT-OFF WILL BE COORDINATED WITH OWNER.

9. CONTRACTOR TO SCAN ALL PROSPECTIVE SLAB DRILL LOCATIONS BY MEANS OF

DIGITAL X-RAY OR GPR IMAGING TO VERIFY THAT THERE ARE NO CONFLICTS.

CONTRACTOR TO ADJUST CORE DRILL LOCATIONS AS REQUIRED. BUILDING IS

CONSTRUCTED WITH REINFORCED CONCRETE POST-TENSION SLABS. NO SLAB

TENDONS SHALL BE CUT.

10. CONTRACTOR TO VERIFY IN FIELD EXISTING , 5TH FLOOR, ABOVE CEILING

CONSTRUCTION AND ADJUST LOCATIONS OF PENETRATIONS AND PIPING RUNS

AS REQUIRED.

GENERAL NOTES

PROVIDE TEMPORARY PROTECTION FOR ITEMS IN AREA OF WORK.

AREA OF CEILING GRID/TILE TO REMOVED FOR INSTALLATION OF STEEL

BEAMS. COORDINATE AMOUNT OF CEILING AREA WITH REQUIRED MEANS

AND METHODS FOR INSTALLING ADDED STRUCTURE. PROTECT FOR

REINSTALLATION.

INDEPENDENTLY HANG LIGHT, PROTECT AND MAINTAIN OPERATIONAL.

MAINTAIN ALL EMERGENCY LIGHT CIRCUITS.

CONTRACTOR TO PROTECT ALL SPRINKLER LINES/HEADS IN AREA OF WORK.

MAINTAIN SPRINKLER SYSTEM IN WORKING ORDER. PROVIDE FIRE WATCH

AS NEEDED WHILE TILE/GRID IS NOT INSTALLED.

CONTRACTOR TO SUPPORT OCCUPANCY SENSOR, MAINTAIN OPERATION.

CONTRACTOR TO REHANG DATA, EMC ABOVE CEILING AS REQUIRED FOR

STEEL INSTALLATION.

CONTRACTOR TO TEMPORARILY SUPPORT EXISTING SUPPLY DIFFUSERS.

REINSTALL GRID/TILE AFTER INSTALLATION OF STEEL.

RESEAT ALL LIGHTS IN GRID.

CONTRACTOR TO REINSTALL SPRINKLER ESCUTEON'S.

CONTRACTOR TO REINSTALL OCCUPANCY SENSOR.

CONTRACTOR TO REINSTALL SUPPLY/RETURN DIFFUSERS.

CONTRACTOR TO MAINTAIN ANY MECHANICAL SUPPLY AND RETURN

DUCTWORK, CONNECT TO NEW UNIT, SEE MECHANICAL DRAWINGS.

KEY NOTES

5TH FLOOR

DEMOLITION REFLECTED CEILING PLAN

1/4" = 1'-0"

5' 3' 1' 0 5'

1/4" = 1'-0"

2' x 4' SUSPENDED

ACOUSTICAL PANEL CEILING

CEILING HEIGHT ABOVE

FINISH FLOOR, SEE FINISH

SCHEDULE FOR SPACES

NOT INDICATED

LIGHT FIXTURES,

SEE ELEC DWGS

RCP LEGEND:

EXISTING 2' x 2' SUSPENDED

ACOUSTICAL PANEL CEILING

EXIST

HVAC DIFFUSER,

SEE MECH DWGS

TYP

TYP

D

C

7 TYP

EXIST

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

ARCHITECTURAL

A104

5TH FLOOR

REFLECTED CEILING PLANS

KLS

KLS

BUILDING CORE KEY PLAN

AREA OF WORK

THIS PLAN IS NOT A COMPLETE REPRESENTATION OF ALL THE EXISTING

CONDITIONS. THIS PLAN IS SCHEMATIC IN NATURE AND INTENDS TO SHOW THE

GENERAL EXTENT AND LAYOUT OF THE EXISTING FACILITY.

CONTRACTOR IS RESPONSIBLE TO COORDINATE ALL TRADES DURING

CONSTRUCTION. CONTRACTOR SHALL REVIEW ALL TRADES FOR ANY

MISCELLANEOUS WORK NOT SHOWN ON ARCHITECTURAL DRAWINGS TO PROVIDE

FIELD VERIFY EXISTING CONDITIONS. IF A CONDITION IS NOT INDICATED ON

DRAWINGS AND IS NOT SIMILAR TO OTHER DETAILED CONDITIONS, DOCUMENT

REMOVE INDICATED EXISTING CONSTRUCTION CLEANLY AND LEAVE EXISTING

CONSTRUCTION TO REMAIN READY TO RECEIVE NEW WORK.

REMOVE EXISTING CONSTRUCTION, INCLUDING MECHANICAL, PLUMBING,

ELECTRICAL WORK ETC., AS NECESSARY AND WHEREEVER NECESSARY TO

PROVIDE WORK IN ACCORDANCE WITH THE CONTRACT DOCUMENTS.

PROTECT EXISTING EQUIPMENT TO REMAIN DURING CONSTRUCTION INCLUDING

MECHANICAL UNITS, DUCTS, PIPES, LIGHT FIXTURES, ETC.

IF EXISTING EQUIPMENT ADJACENT TO CONSTRUCTION IS DAMAGED AS A RESULT

OF CONSTRUCTION WORK, CONTRACTOR IS RESPONSIBLE FOR REPAIR OR

ANY REQUIRED UTILITY SHUT-OFF WILL BE COORDINATED WITH OWNER.

CONTRACTOR TO SCAN ALL PROSPECTIVE SLAB DRILL LOCATIONS BY MEANS OF

DIGITAL X-RAY OR GPR IMAGING TO VERIFY THAT THERE ARE NO CONFLICTS.

CONTRACTOR TO ADJUST CORE DRILL LOCATIONS AS REQUIRED. BUILDING IS

CONSTRUCTED WITH REINFORCED CONCRETE POST-TENSION SLABS. NO SLAB

CONTRACTOR TO VERIFY IN FIELD EXISTING , 5TH FLOOR, ABOVE CEILING

CONSTRUCTION AND ADJUST LOCATIONS OF PENETRATIONS AND PIPING RUNS

PROVIDE TEMPORARY PROTECTION FOR ITEMS IN AREA OF WORK.

AREA OF CEILING GRID/TILE TO REMOVED FOR INSTALLATION OF STEEL

BEAMS. COORDINATE AMOUNT OF CEILING AREA WITH REQUIRED MEANS

AND METHODS FOR INSTALLING ADDED STRUCTURE. PROTECT FOR

INDEPENDENTLY HANG LIGHT, PROTECT AND MAINTAIN OPERATIONAL.

CONTRACTOR TO PROTECT ALL SPRINKLER LINES/HEADS IN AREA OF WORK.

MAINTAIN SPRINKLER SYSTEM IN WORKING ORDER. PROVIDE FIRE WATCH

AS NEEDED WHILE TILE/GRID IS NOT INSTALLED.

CONTRACTOR TO SUPPORT OCCUPANCY SENSOR, MAINTAIN OPERATION.

CONTRACTOR TO REHANG DATA, EMC ABOVE CEILING AS REQUIRED FOR

CONTRACTOR TO TEMPORARILY SUPPORT EXISTING SUPPLY DIFFUSERS.

REINSTALL GRID/TILE AFTER INSTALLATION OF STEEL.

CONTRACTOR TO REINSTALL SPRINKLER ESCUTEON'S.

CONTRACTOR TO REINSTALL OCCUPANCY SENSOR.

CONTRACTOR TO REINSTALL SUPPLY/RETURN DIFFUSERS.

CONTRACTOR TO MAINTAIN ANY MECHANICAL SUPPLY AND RETURN

DUCTWORK, CONNECT TO NEW UNIT, SEE MECHANICAL DRAWINGS.

PARTITION / CONSTRUCTION TO REMAIN

DOOR AND FRAME TO REMAIN

REMOVE PARTITION / CONSTRUCTION

REMOVE DOOR AND FRAME

REMOVE PARTITION, DOOR AND FRAME

KEY NOTE NUMBER

ROOM DESIGNATION

ROOM NUMBER

FLOOR PLAN LEGEND:

LOBBY

2 HR FIRE ASSEMBLY

5TH FLOOR MECHANICAL ROOM

FLOOR PLAN

1/4" = 1'-0"

5' 3' 1' 0 5'

1/4" = 1'-0"

D

C

TYP

TYP

11 12 TYP

SC

AL

E:

DA

TE

TI

ME

5- A5

1-

1/2

1' -0

/15 /24

:14

:13

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

1 04-03-2024 RTU-1 CHANGES

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

2 04-30-2024 PERMIT SUBMISSION

ARCHITECTURAL

A501

DETAILS

DAP

KLS

PARAPET DETAIL (TYPICAL ROOFING DETAIL NOTES)

1-1/2" = 1'-0"

D101 A101

A501

LOWER ROOF SCUPPER DETAIL

1-1/2" = 1'-0"

D101 A101

A501

DEMOLITION

EXISTING PARAPET METAL FLASHING,

DISASSEMBLE AND SALVAGE FOR

REMOVE BUR MEMBRANE

FLASHING

REMOVE EXISTING BALLAST

EXISTING SLOPED CONCRETE SLAB

REMOVE RIGID INSULATION

REMOVE ALL BUR PLIES

REMOVE CANT STRIPS

EXISTING PREFAB CONC

PARAPET ASSEMBLY

EXISTING CONCRETE CURB

6" 4"

REASSEMBLE AND REINSTALL

TUCK BASE AND MEMBRANE

FASTENERS SET IN SEALANT, 8" OC

PREP ALL EXISTING SURFACES

TO RECEIVE NEW WORK PER

ROOFING MANUFACTURER

REQUIREMENTS

MEMBRANE BASE FLASHING

EXISTING METAL PARAPET

FLASHING ASSEMBLY BEYOND, SEE DETAIL 1/A501

EXISTING MTL DRIP TO REMAIN

EXISTING METAL SCUPPER FLASHING TO REMAIN

BASE FLASHINGREMOVE GRAVEL STOP

NEW WORK

TO METAL DRIP

TERMINATE CAPSHEET

FLASHING TO DRIP

EDGE AND

SET IN SEALANT

PARAPET BASE FLASHING BEYOND,

ALIGN MEMBRANE

SEE DETAIL 1/A501

DEMOLITION NEW WORK

ROOF DRAIN DETAIL

1-1/2" = 1'-0"

REMOVE FLASHING CLAMP & GRAVEL STOP

REMOVE DRAIN STRAINER

D101 A101

A501

2 LAYERS STRIPPING FELT EXTEND 4" & 8" BEYOND FLASHING,

30" SQ MIN 2-1/2 LB LEAD FLASHING

FLASHING CLAMP & GRAVEL STOP

PROVIDE NEW STRAINER AND CLAMP RING ASSEMBLY

EXTEND ROOFING APPROX 1" BEYOND INSIDE OF CLAMPING RING

EXISTING DRAIN BODY EMBEDDED

EXISTING DRAIN LEADER

TO REMAIN

SET IN ROOFING CEMENT

IN CONC, ASSEMBLY TO REMAIN

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

DEMOLITION NEW WORK

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

FLASHING AT PENTHOUSE WALL

1-1/2" = 1'-0"

D101 A101

A501

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

DEMOLITION

EXISTING METAL FLASHING

W/ CLEAT TO REMAIN

EXISTING EFIS WALL

FASTENERS SET IN

SEALANT, 8" OC

NEW WORK

6" 4" 8" M

IN

FL

AS

HI

NG

H

T

TUCK BASE AND MEMBRANE

UNDER EXISTING METAL FLASHING

8" M

IN

FL

AS

HI

NG

H

T

FLASHING AT SCREEN WALL COLUMN

1-1/2" = 1'-0"

D101 A101

A501

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

DEMOLITION NEW WORK

EXISTING SHEET METAL

EXISTING TUBE STEEL

EXISTING CONCRETE

POST, VIF

VIF EXISTING FURRING,

REPLACE AS REQD

COLUMN ASSEMBLY,

DO NOT DISTURB

6" 4" 8" M

IN

FL

AS

HI

NG

H

T

FASTENERS SET IN

SEALANT, 8" OC

TUCK BASE AND MEMBRANE

REFER TO DETAIL 1/A501 FOR TYPICAL ROOFING NOTES

EQUIPMENT CURB DETAIL

1-1/2" = 1'-0"

D101 A101

A501

DEMOLITION NEW WORK

TUCK BASE AND MEMBRANE FLASHING UNDER

FASTENERS SET IN SEALANT, 8" OC

PREFAB CURB ADAPTER AS REQD

ROOF TOP UNIT

4" 4"

GASKET

DISASSEMBLE CURB

REMOVE EXISTING ROOF T

EXISTING EQUIPMENT

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

OP UNIT PER MECH DWGS

FLASHING AS REQUIRED

CURB TO REMAIN

PER MECH DWGS

EXISTING METAL CURB FLASHING

FLASHING UNDER EXISTING

METAL FLASHING

ASSEMBLY DO NOT DISTRUB FLASHING UNDER EXISTING

METAL FLASHING

RAIN COLLAR FLASHING

WITH SEALANT TO REMAIN

FLASHING AT CONCRETE

1-1/2" = 1'-0"

D101 A103

A501

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

DEMOLITION NEW WORK

6" 4" 8" M

IN

FL

AS

HI

NG

H

T

FACE OF EXISTING COLUMN

DISASSEMBLE AND SALVAGE

EXISTING CONT SURFACE

MOUNTED COUNTER FLASHING

FOR REINSTALLATION

DURING NEW WORK

BASE AND MEMBRANE

FLASHING UNDER REINSTALLED

METAL FLASHING

REINSTALL SALVAGED SURFACE

MOUNTED COUNTER FLASHING,

MATCH PREVIOUS DETAILSCOMPATIBLE

SEALANT

FASTENERS SET IN

SEALANT, 8" OC

CONTINUE FIELD PLYS

AND FLASHING INTO

EXISTING SCUPPER

FLASHING WITH PARAPET

6" 4"

FLASHING BEYOND1/4"

12"

ROOF FIELD TYPICAL ASSEMBLY:

MOD BIT CAP SHEET W/ 3 PLIES OF TYPE VI FULLY ADHERED TO ISO HD COVERBOARD.

RIGID POLYISO INSULATION TO MATCH EXISTING INSULATION HEIGHTS, SHALL COMPLY WITH;

- 8" MIN FLASHING HEIGHTS PER NRCA GUIDELINES

- ROOF MEMBRANE MANUFACTURER 20 YEAR NO-DOLLAR-LIMIT WARRANTY

DOCUMENT EXISTING SUMPS

CONSTRUCT SUMPS TO MATCH EXISTING

REINSTALLATION DURING NEW WORK

REMOVE PARAPET WALL JOINT SEALANTS

FROM CONC DECK - TO - T/O PARAPET WALL,

PREPARE SURFACES FOR NEW WORK

EXTENT OF SEALANT REMOVAL

EXISTING PARAPET METAL FLASHING

PROVIDE NEW PARAPET WALL

JOINT SEALANT FROM

CONC DECK - TO - T/O PARAPET WALL

SC

AL

E:

DA

TE

TI

ME

5- A5

1-

1/2

1' -0

/15 /24

:14

:13

PROJECT TITLE

REVISIONS

NO. DATE DESCRIPTION

DRAWN BY

CHECKED BY

DATE

DRAWING TITLE

DRAWING NUMBER

5-15-24

G A U T H I E R A L V A R A D O A S S O C I A T E S 703-241-2202

WWW.GAA-AE.COM

PROJECT STATUS

GAA PROJECT NO. 731E35

CONSTRUCTION DOCUMENTS

GERRY HYLAND

ROOF AND HVAC

ALTERATIONS

© COPYRIGHT ALL RIGHTS RESERVED

THESE DRAWINGS ARE PROTECTED UNDER THE

COPYRIGHT ACT OF 1976 AND SHALL NOT BE

REUSED WITHOUT THE WRITTEN PERMISSION OF

GAUTHIER, ALVARADO AND ASSOCIATES

05-15-24

1 04-03-2024 RTU-1 CHANGES

FAIRFAX COUNTY

FACILITIES

MANAGEMENT

DEPARTMENT

Purchase Order No.

8500538935

Engineering Services, Contract No. 4400008465

ALEXANDRIA, VA

2 04-30-2024 PERMIT SUBMISSION

ARCHITECTURAL

A502

DETAILS

DAP

KLS

SLED POST FLASHING DETAIL

1-1/2" = 1'-0"

3'- 0"

VI

F

A101 A502

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

TRTD 2x WD BLKG

" M

IN

EQUIPMENT SUPPORT AS REQUIRED

2x4 TRTD WD BLKG, MATCH HEIGHT OF INSUL

SET BOLTS IN SEALANT

METAL COVER W/ REMOVABLE

COUNTER FLASHING

CONTINUOUS WATERPROOF

MEMBRANE OVER CURB

BASE FLASHING

4" 4"

REFER TO DETAIL 1/A501 FOR TYPICAL ROOFING NOTES

EQUIPMENT SUPPORT DETAIL

1-1/2" = 1'-0"

A101 A103

A502

DUCT THRU ROOF DETAIL

1-1/2" = 1'-0"

8" M

IN

3"

GASKETED FASTENERS @ 24" OC,

MIN TWO PER SIDE

CONTINUOUS WATERPROOF

MEMBRANE OVER CURB

BASE FLASHING

4" 4"

EXIST CONC SLAB OPENING

2x4 TRTD WD BLKG,FILL GAP AROUND

CONT 16 GA GALV STEEL

CURB W/ INSUL

DUCT W/ INSULATION

SHEET METAL FLASHING COLLAR,

WELD ALL JOINTS

SST CLAMPING RING SET

IN BED OF SEALANT

MEMBRANE WRAPPED

DUCT, SEE MECH DWGS

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

A103 A502

INFILL VOIDS AROUND FRAMING

WITH RIGID INSUL SET IN COMPATIBLE

ADHESIVE TO MATCH EXISTING

6 1 /2"

1'-0 1/2"± 8"±

THERMOPLASTIC

16 GAUGE GALVANIZED

CADDY PYRAMID ST SERIES, MANUFACTURED

BASE

STEEL STRUT

PIPE SUPPORT DETAIL

1-1/2" = 1'-0"

PIPE, SEE MECH DWGS

GALVANIZED

PIPE CLAMP

PIPE SUPPORT - BASIS OF DESIGN: PROVIDE WALKWAY

PAD COMPATIBLE WITH

ROOFING AT EACH PIPEBY NVENT, ADHERE TO WALKWAY PAD WITH

SUPPORTCOMPATIBLE ADHESIVE

A101 A103

A502

VENT THRU ROOF DETAIL

1-1/2" = 1'-0"

WATER CUT-OFF MASTIC

6" 4" 4"

2 LAYERS STRIPPING FELT

LEAD PIPE FLASHING,

D101 D102 A101

A502

EXISTING VENT

REMOVE EXISTING

DEMOLITION

NEW WORK

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

LAP INSIDE PIPE 1" MIN

PIPE TO REMAIN

A102

FI

LE

SC

AL

E:

DA

TE

TI

ME

5- A5

-D

1/2

1'

-0

/03

/24

:55 :4

SIDE RAILS,

EQUIPMENT PLATFORM

RAILING AND LADDER DETAILS

1/2" = 1'-0"

REMOVABLE

GUARDRAIL

8"

SECTION @

2'-0"

1'-6"

2'-6"

2" 1'-

0"

RUNGS - 3/4"Ø STL BARS

EQUALLY SPACED 12" MAX

ELEVATION

@ LADDER

OC, WELD TO SIDE RAILS

SEE STRUCTURAL

A103 A502

ROOF MEMBRANE

GALV

SERRATED

ENLARGED PLAN

EQUIPMENT PLATFORM

1/2" = 1'-0"

A103 A502

MAU SEE

MECHANICAL

PERMANENT

CONT 1", TYP

GALVANIZED SERRATED

STEEL GRATING, TYP

DRAWINGS

1' 0 2' 4'

1/2" = 1'-0"

1' 0 2' 4'

1/2" = 1'-0"

10'-0"

3'- 6"

5'- 0"

3'-10"

EQ

UA

L

TYP GUARDRAIL

PROVIDE RADIUS

AT TURN DOWNS, TYP

GUARDRAIL

3'- 0"

3'-2"

EQ

UA

L x x x x x

REMOVABLE

GUARDRAIL

FRAMING PER STRUCTURAL DRAWINGS.

COORDINATE FINAL PLATFORM SIZE AND

LAYOUT WITH PURCHASED MAKEUP AIR UNIT.

A502 A502

6"

STEEL

GRATING

V

IF

FOR ATTACHMENTS

TO SIDE RAILS

1'- 0"

TY

P

GUARDRAIL

BEYOND

EQ

EQPL 3/8 x 2-1/2

DRILLED FOR RUNGS

WELD ALL

CONNECTIONS

AND GRIND EDGES

SMOOTH, TYP.

COORDINATE WITH

STRUCTURAL

DRAWINGS

ELEVATION - NTS

2.5 STD PIPE SLEEVE TO

4"

CONT 1/4" PL

4"

RECEIVE GUARDRAIL

RAILS & POSTS,

PIPE 2 STD

SECTION @

PERMANENT

GUARDRAIL

5'-4"

2'-6"

PERMANENT

GUARDRAIL

4"

CLR

MAX, T

YP

4" C

LR

M

AX

, T

YP

1/2" Ø GALV CHAIN W/ CHAIN BOLT SNAP ON

ENDS. INSTALL SCREW EYE HOOKS IN POSTS

FOR CONNECTION TO BOLT SNAP

4'- 7"

" M

IN

NEW CONSTRUCTION SHALL PROVIDE 10" MIN PIPE FLASHING

HEIGHT. PROVIDE VENT PIPE EXTENSION AS REQUIRED.

PENETRATION BOX DETAIL

1-1/2" = 1'-0"

8" M

IN 3"

M

IN

BASE FLASHING

TRTD WD CURB

2x4 TRTD WD BLKG, MATCH HEIGHT OF INSUL

4" 4"

SAFETY TIE OFF ANCHOR

FLASHING DETAIL

1-1/2" = 1'-0"

A101 A502

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

FLEXIBLE CABLE / CONDUIT

PENETRATION DETAIL

1-1/2" = 1'-0"

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

D101 D102 A101

A502

A102

1'- 0"

M

IN

6" 4" 4"

RADIUS AS REQD

WATER CUT-OFF MASTIC

2 LAYERS OF STRIPPING

FELT

EXTEND UTILITIES

AS REQUIRED

IF NOT PRESENT, PROVIDE

CONDUIT TO ROOF DECK

A101 A502

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

1"

MIN

1" MIN

VARIES, VIF

INFILL SPACE BTWN CURBS

WITH MINERAL WOOL INSUL

EXISTING

PENETRANT, VIF

SEALANT

WEATHERPROOF

SHEET-METAL RAIN

1" OVERLAP MIN,

SET IN SEALANT

RAIN COLLAR SECTIONS

MECH FASTENED AND SEALED

COUNTER FLASHING

PERSPECTIVE VIEW - NTS

SINGLE RIGID

PIPE/CABLE PENETRATION

1-1/2" = 1'-0"

A101 A102 A103

A502

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

4" M

IN

4" MIN

SEALANT

REINFORCED

LIQUID FLASHING

EXTEND EXISTING

PENETRANT AS REQ TO

MEET MIN FLASHING

HEIGHTS, VIF

EXISTING VENT PIPE

PIPE FLASHING

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

TIE-INTO EXISTING

DUCT PENETRATION

ASSEMBLY

MAINTAIN EXISTING CONC

BELOW MEMBRANE

STAINLESS STL

FLANGED GOOSENECK

CABLE FLASHING

REINFORCED LIQUID FLASHING

PER ROOF MEMBRANE MFR

REQUIREMENTS

ANCHOR HOOK SHALL

REMAIN UNCOVERED

DUCT INSULATION

MATCH HEIGHT OF INSUL

DECK PENETRATION ASSEMBLY,

DUCTS, SEE MECH DWGS

MEMBRANE WRAPPED

8"

VI

F

RIGID POLYISO BETWEEN

MEMBRANE ON

DUCTS, CUT TO SLOPE

FOR POSITIVE DRAINAGE

2x4 FRT TRTD WD BLKG

ATTACHED TO CURB

FILL GAP BETWEEN

DUCT INSULATION

SLOPED POLYISO

DUCTS W/ INSULATION

SECTION THROUGH

DUCT GAP

SECTION THOUGH

SLOPED POLYISO AND CURB

1/2" 12"

MIN

INFILL GAP UNDER

COLLAR WITH POLYISO

EXTEND MEMBRANE

OVER INSUL

FRT TRD WD NAILER

AS REQ FOR CONT

SHEET METAL

FLASHING COLLAR

EDGE OF MEMBRANE

WRAPPED DUCT

INSULATION BEYOND

REPAIR AS REQUIRED

BENT PL BRACKET

EXHAUST FAN SUPPORT DETAIL

1-1/2" = 1'-0"

A101 A103

A502

6" 4" 2" 0 6" 1'

1-1/2" = 1'-0"

TRTD 2x WD BLKG

" M

IN

2x4 TRTD WD BLKG, MATCH HEIGHT OF INSUL

BASE FLASHING

4" 4"

INFILL VOIDS AROUND FRAMING

WITH RIGID INSUL SET IN COMPATIBLE

ADHESIVE TO MATCH EXISTING

METAL COVER W/ REMOVABLE

COUNTER FLASHING

CONTINUOUS WATERPROOF

MEMBRANE OVER CURB

VARIES

COORDINATE W/ PURCHASED EQUIPMENT

VA

RI

ES

CO

OR

DI

NA

TE

W / P

UR

CH

AS

ED

E

QU

IP

ME

NT

SE

E

RO

OF

P

LA

N

CRICKET BETWEEN WOOD

CURBS FOR POSITIVE DRAINAGE

SET BOLTS IN SEALANT

GALV STL BENT PLATE

BRACKET AT POSTS

GALV STL L 3 1/2 x 3 1/2 x 1/4"

GALV STL BASE PLATE

CONTINUOUS, GALV STL

L 3 1/2 x 3 1/2 x 1/4" FRAME

EXHAUST FAN

1/2" 12"

MIN

POST AT EACH CORNER

2A 2B

2C

TYP

3/16

MAX 5'-0" SPAN

COLLAR, OVERLAP

CURB COUNTER

FLASHING WITH SEALANT

EXIST STRUCTURAL

FR…