NEW JERSEY

NEW YORK

CONNECTICUT

NEW YORK CITY

INSET

NATIONAL PARK SERVICE

DENVER SERVICE CENTER

OF

PKG.

NO.

SHEET

NE

DEPARTMENT OF THE INTERIOR

UNITED STATES

GATEWAY NATIONAL RECREATION AREA

QUALITY DESIGN CERTIFICATION

STATEREGION UNIT

LOCATION WITHIN PARK

NAME OF PARK

TITLE OF DRAWING DRAWING NO.

Mark Sheet Revision Date Initial

Prepared in Accordance with Design Development (Title I)

Variance from Design Development (Title I) Approved by Superintendent on

Construction Drawing not Preceded by Design Development (Title I)

Date

Drawing No.OR

OR

DateProject Manager

FLOYD BENNETT FIELD

HANGARS 3 & 4 REHABILITATION

FINAL CONSTRUCTION DOCUMENTS

DECEMBER 19, 2025

MAP SOURCE: https://propertyinformationportal.nyc.gov/

646COVER SHEET

190066

GATE 308504

KINGS COUNTY NEW YORK

HANGARS 3 & 4

A/E FIRM - A/E 140P3020D0017

PRIME/ARCH:

QUINN EVANS

WASHINGTON, DC

MECHANICAL:

AFFILIATED

ENGINEERS, INC.

(AEI) ROCKVILLE, MD

ENVIRONMENTAL / HAZMAT:

GHD

CHANTILY, VA

ELECTRICAL:

HANGARS 3 & 4

AFFILIATED

ENGINEERS, INC. (AEI)

ROCKVILLE, MD

FLOYD BENNETT

FIELD HISTORIC

DISTRICT BOUNDARY

FLA

T B U

S H

A V E

BELT PKWY

JAMAICA BAY

FLA

T B U

S H

A V E

GRAVESEND BAY

BELT P

KW

Y

PARK ENTRANCE

SHEEPSHEAD

BAY

BRIGHTON

BEACH

BENSONHURST

BROOKLYN

STATEN ISLAND

FLATBUSH

CANARSIE

BEDFORD-

STUVESANT

BROWNSVILLE

MIDLAND BEACH

GRAVESEND

FLATLANDS

EAST FLATBUSH

CROWN

HEIGHTS

PARK

SLOPE

EAST NEW

YORK

BOROUGH

PARK

FORT

WADSWORTH

VICINITY MAP N.T.S.

/1

/2

:1 :4

P

M A u to d e s k D o c s /G

A T

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B e n n e tt F ie ld

/G A

T E

F lo y d

B e n n e tt F ie ld

.r v t

N.T.S.

12/19/2025

ROOF PLAN

NORTH ELEVATION

HANGAR 3 ELEVATION

HANGAR 4 HANGAR 3

BOILER

ROOM

LEAN-TO 4 LEAN-TO 3WPA INFILL

HANGAR 4HANGAR 3 LEAN-TO 4LEAN-TO 3 WPA INFILL

HANGAR FRIEZE

ROLLING HANGAR

DOORS

PILOT DOOR

DATE:

DESIGNED:

TECH. REVIEW:

SUB SHEET NO.

PMIS/PKG NO.

DRAWING NO.

SHEET

TITLE OF SHEET

OF

190066

GATE 308504

GATEWAY NATIONAL RECREATION AREA

CT

SW

AK

/1

/2

:1 :0

P

M A u to d e s k D o c s /G

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F lo y d

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G1

DRAWING INDEX &

REFERENCE PHOTOS

DRAWING INDEX CD

Sheet # of # Sheet Number Sheet Name

1 OF 153 G0 COVER SHEET

2 OF 153 G1 DRAWING INDEX & REFERENCE PHOTOS

3 OF 153 G2 PROJECT INFORMATION

4 OF 153 G3 ACCESSIBILITY PLAN

5 OF 153 G4 CODE ANALYSIS

6 OF 153 G5 LIFE SAFETY PLAN

7 OF 153 G6 FIRM MAP (PRELIMINARY 2013)

8 OF 153 G7 FIRM MAP (EFFECTIVE 2007)

9 OF 153 C1.0 LEGEND AND GENERAL NOTES

10 OF 153 C2.0 EXISTING CONDITIONS

11 OF 153 C3.0 DEMOLITION PLAN

12 OF 153 C3.1 UTILITY DEMOLITION PLAN

13 OF 153 C4.0 SITE PLAN

14 OF 153 C5.0 GRADING AND DRAINAGE PLAN

15 OF 153 C5.1 DRAINAGE PROFILES 1

16 OF 153 C5.2 STORM PROFILES 2

17 OF 153 C6.0 UTILITY PLAN

18 OF 153 C6.1 UTILITY PROFILES 1

19 OF 153 C7.0 EROSION AND SEDIMENT CONTROL PLAN

20 OF 153 C8.0 CONSTRUCTION DETAILS 1

21 OF 153 C8.1 CONSTRUCTION DETAILS 2

22 OF 153 C8.2 CONSTRUCTION DETAILS 3

23 OF 153 C8.3 CONSTRUCTION DETAILS 4

24 OF 153 C8.4 CONSTRUCTION DETAILS 5

25 OF 153 C8.5 CONSTRUCTION DETAILS 6

26 OF 153 C8.6 CONSTRUCTION DETAILS 7

27 OF 153 A0.0 LEGENDS, SYMBOLS, ABBREVIATIONS

28 OF 153 A0.1 FLOOR PLAN - DEMOLITION

29 OF 153 A0.2 ROOF PLAN - DEMOLITION

30 OF 153 A0.3 REFLECTED CEILING PLAN - DEMOLITION

31 OF 153 A0.4 EXTERIOR ELEVATIONS - DEMOLITION

32 OF 153 A0.5 ENLARGED ELEVATIONS - DEMOLITION - HANGAR FRIEZES

33 OF 153 A0.6 EXISTING CONDITIONS PHOTOS - EXTERIOR

34 OF 153 A0.7 EXISTING CONDITIONS PHOTOS - INTERIOR

35 OF 153 A1.0 FLOOR PLAN - OVERALL

36 OF 153 A1.1 ROOF PLAN - OVERALL

37 OF 153 A1.2 REFLECTED CEILING PLAN - OVERALL

38 OF 153 A2.0 EXTERIOR ELEVATIONS - OVERALL

39 OF 153 A3.0 BUILDING SECTIONS

40 OF 153 A4.1.1 ENLARGED PLANS & RCPS - HANGAR 3 LEAN-TO

41 OF 153 A4.1.2 ENLARGED PLANS & RCPS - HANGAR 4 LEAN-TO

42 OF 153 A4.1.3 ENLARGED ROOF PLANS

43 OF 153 A4.1.4 ENLARGED ROOF PLANS

44 OF 153 A4.1.5 ENLARGED ROOF PLANS

45 OF 153 A4.2.0 ENLARGED ELEVATIONS - HANGAR 3 DOORS

46 OF 153 A4.2.1 ENLARGED ELEVATIONS - HANGAR 4 DOORS

47 OF 153 A4.2.2 EXTERIOR ELEVATIONS - HANGAR 3 EAST CLERESTORY

48 OF 153 A4.2.3 EXTERIOR ELEVATIONS - HANGAR 3 WEST CLERESTORY

49 OF 153 A4.2.4 EXTERIOR ELEVATIONS - HANGAR 4 WEST CLERESTORY

50 OF 153 A4.2.5 EXTERIOR ELEVATIONS - HANGAR 4 EAST CLERESTORY

51 OF 153 A4.2.10 EXTERIOR ELEVATIONS - WPA INFILL NORTH - BRICK

52 OF 153 A4.2.11 EXTERIOR ELEVATIONS - WPA INFILL SOUTH - BRICK

53 OF 153 A4.2.12 EXTERIOR ELEVATIONS - WPA INFILL NORTH - CAST STONE

54 OF 153 A4.2.13 EXTERIOR ELEVATIONS - WPA INFILL SOUTH - CAST STONE

55 OF 153 A4.2.14 EXTERIOR ELEVATIONS - HANGAR 3 LEAN-TO EAST - BRICK

56 OF 153 A4.2.15 EXTERIOR ELEVATIONS - HANGAR 3 LEAN-TO NORTH&SOUTH - BRICK

57 OF 153 A4.2.16 EXTERIOR ELEVATIONS - HANGAR 3 LEAN-TO EAST - CAST STONE

58 OF 153 A4.2.17 EXT ELEVS - HANGAR 3 LEAN-TO NORTH & SOUTH - CAST STONE

59 OF 153 A4.2.18 EXT ELEVS - HANGAR 4 LEAN-TO WEST - BRICK & CAST STONE

60 OF 153 A4.2.19 EXT ELEVS - HANGAR 4 LEAN-TO NORTH & SOUTH - BRICK & CAST STONE

61 OF 153 A4.2.30 INTERIOR ELEVATIONS - HANGAR 3 - EAST

62 OF 153 A4.2.31 INTERIOR ELEVATIONS - HANGAR 3 - WEST

63 OF 153 A4.2.32 INTERIOR ELEVATIONS - HANGAR 4 - EAST

64 OF 153 A4.2.33 INTERIOR ELEVATIONS - HANGAR 4 - WEST

65 OF 153 A4.2.34 INTERIOR ELEVATIONS - HANGAR DOOR POCKETS - HANGAR 3

66 OF 153 A4.2.35 INTERIOR ELEVATIONS - HANGAR DOOR POCKETS - HANGAR 4

67 OF 153 A4.2.50 INTERIOR ELEVATIONS HANGAR 3 LEAN-TO

68 OF 153 A4.2.51 INTERIOR ELEVATIONS HANGAR 3 LEAN-TO

69 OF 153 A4.2.52 INTERIOR ELEVATIONS HANGAR 4 LEAN-TO

70 OF 153 A4.2.53 INTERIOR ELEVATIONS HANGAR 4 LEAN-TO

71 OF 153 A4.2.54 INTERIOR ELEVATIONS - RESTROOMS

72 OF 153 A4.2.60 INTERIOR ELEVATIONS - WPA INFILL - NORTH & SOUTH

73 OF 153 A4.2.61 INTERIOR ELEVATIONS - WPA INFILL - EAST & WEST

74 OF 153 A4.2.70 INTERIOR ELEVATIONS BOILER ROOM

75 OF 153 A4.3.1 WALL SECTIONS

76 OF 153 A4.3.2 WALL SECTIONS

77 OF 153 A4.3.3 WALL SECTIONS

78 OF 153 A5.0.1 ROOF DETAILS

79 OF 153 A5.0.2 ROOF & HANGAR DOOR DETAILS

DRAWING INDEX CD

Sheet # of # Sheet Number Sheet Name

80 OF 153 A5.1 HANGAR DOOR DETAILS

81 OF 153 A6.0 DOOR SCHEDULE

82 OF 153 A6.0.1 DOOR TYPES & DETAILS

83 OF 153 A6.1 WINDOW SCHEDULE & TYPES

84 OF 153 A6.2 WINDOW SCHEDULE & DETAILS

85 OF 153 A6.3 WINDOW DETAILS

86 OF 153 A6.4 PARTITION, MATERIAL, & ACCESSORIES SCHEDULES

87 OF 153 A6.5 TYPICAL MASONRY & CONCRETE REPAIR DETAILS

88 OF 153 A6.6 TYPICAL MASONRY & CONCRETE REPAIR DETAILS

89 OF 153 S0.1 STRUCTURAL GENERAL NOTES

90 OF 153 S0.2 STRUCTURAL GENERAL NOTES

91 OF 153 S0.3 SCHEDULES AND LEGENDS

92 OF 153 S1.0 FOUNDATION -GROUND FLOOR OVERALL PLAN

93 OF 153 S1.1 LEAN-TO ROOF AND WPA INFILL MEZZANINE OVERALL FRAMING PLAN

94 OF 153 S1.2 HANGAR ROOF TRUSS BOTTOM CHORD LEVEL OVERALL FRAMING PLAN

95 OF 153 S1.3 HANGAR ROOF TRUSS TOP CHORD LEVEL OVERALL FRAMING PLAN

96 OF 153 S2.1 HANGAR 4 LEAN-TO FRAMING PLANS

97 OF 153 S2.2 HANGAR 4 FOUNDATION / GROUND FLOOR PLAN

98 OF 153 S2.3 HANGAR 4 ROOF TRUSS BOTTOM CHORD LEVEL FRAMING PLAN

99 OF 153 S2.4 HANGAR 4 ROOF TRUSS TOP CHORD LEVEL FRAMING PLAN

100 OF 153 S2.5 WPA INFILL FRAMING PLANS

101 OF 153 S2.6 WPA INFILL ROOF FRAMING PLAN

102 OF 153 S2.7 HANGAR 3 FOUNDATION / GROUND FLOOR PLAN

103 OF 153 S2.8 HANGAR 3 ROOF TRUSS BOTTOM CHORD LEVEL FRAMING PLAN

104 OF 153 S2.9 HANGAR 3 ROOF TRUSS TOP CHORD LEVEL FRAMING PLAN

105 OF 153 S2.10 HANGER 3 LEAN-TO FRAMING PLANS

106 OF 153 S3.1 EXISTING TRUSS ELEVATIONS

107 OF 153 S3.2 HANGAR 4 INTERIOR ELEVATIONS

108 OF 153 S3.3 HANGAR 3 INTERIOR ELEVATIONS

109 OF 153 S4.1 EXTERIOR ELEVATIONS -WPA INFILL

110 OF 153 S4.2 EXTERIOR ELEVATIONS -HANGAR 4 LEAN-TO

111 OF 153 S5.1 TYPICAL FOUNDATION DETAILS

112 OF 153 S5.2 FOUNDATION DETAILS

113 OF 153 S5.3 FOUNDATION DETAILS

114 OF 153 S6.1 STEEL COLUMN REPAIR DETAILS

115 OF 153 S6.2 STEEL BEAM REPAIR DETAILS

116 OF 153 S6.3 MASONRY REPAIR AND LINTEL REPLACEMENT DETAILS

117 OF 153 S6.4 TYPICAL BRICK REPAIR DETAILS

118 OF 153 S6.5 TYPICAL CONCRETE REPAIR DETAILS

119 OF 153 S6.6 SUPERSTRUCTURE DETAILS

120 OF 153 S6.7 HANGAR DOOR POCKET WALL DETAILS

121 OF 153 S6.8 HANGAR DOOR POCKET WALL DETAILS

122 OF 153 S6.9 HANGAR DOOR POCKET WALL DETAILS

123 OF 153 S6.10 HANGAR DOOR POCKET WALL DETAILS

124 OF 153 S6.11 SECTIONS AND DETAILS

125 OF 153 S7.1 HANGAR DOOR REPAIR DETAILS

126 OF 153 S7.2 HANGAR DOOR REPAIR DETAILS

127 OF 153 M1 MECHANICAL SYMBOLS, GENERAL NOTES & ABBREVIATIONS

128 OF 153 M2 MECHANICAL NEW WORK FLOOR PLAN -ENLARGED -HANGAR 3

129 OF 153 M3 MECHANICAL NEW WORK FLOOR PLAN -ENLARGED -HANGAR 4 & WPA INFILL

130 OF 153 M4 MECHANICAL SCHEDULES

131 OF 153 M5 MECHANICAL DETAILS

132 OF 153 E11 ELECTRICAL SYMBOLS & ABBREVIATIONS

133 OF 153 E21 ELECTRICAL GENERAL NOTES

134 OF 153 E30 ELECTRICAL POWER SITE PLAN

135 OF 153 E31 ELECTRICAL POWER FLOOR PLAN -ENLARGED -HANGAR 3

136 OF 153 E32 ELECTRICAL POWER FLOOR PLAN -ENLARGED -HANGAR 4

137 OF 153 E33 ELECTRICAL POWER FLOOR PLAN -ENLARGED - ELEC ROOMS

138 OF 153 E41 ELECTRICAL LIGHTING FLOOR PLAN -ENLARGED -HANGAR 3

139 OF 153 E42 ELECTRICAL LIGHTING FLOOR PLAN -ENLARGED -HANGAR 4

140 OF 153 E51 ONELINE AND GROUNDING DIAGRAM

141 OF 153 E61 ELECTRICAL FEEDER SCHEDULES

142 OF 153 E62 LIGHTING FIXTURES, MECH/PUMB SCHEDULES

143 OF 153 E71 ELECTRICAL DETAILS

144 OF 153 E72 LIGHTING CONTROLS DETAILS

145 OF 153 E81 ELECTRICAL PANEL SCHEDULES

146 OF 153 E82 ELECTRICAL PANEL SCHEDULES

147 OF 153 E83 ELECTRICAL PANEL SCHEDULES

148 OF 153 P1 PLUMBING SYMBOLS, GENERAL NOTES & ABBREVIATIONS

149 OF 153 P2 PLUMBING NEW WORK FLOOR PLAN -ENLARGED -HANGAR 3

150 OF 153 P3 PLUMBING NEW WORK FLOOR PLAN -ENLARGED -HANGAR 4 & WPA INFILL

151 OF 153 P4 PLUMBING SCHEDULES

152 OF 153 P5 PLUMBING DETAILS

153 OF 153 P6 PLUMBING DETAILS AND RISER DIAGRAM

Grand total: 153

A/E FIRM - A/E 140P3020D0017

PRIME/ARCH:

QUINN EVANS

WASHINGTON, DC

MECHANICAL:

AFFILIATED

ENGINEERS, INC.

(AEI) ROCKVILLE, MD

ENVIRONMENTAL / HAZMAT:

GHD

CHANTILY, VA

ELECTRICAL:

AFFILIATED

ENGINEERS, INC. (AEI)

ROCKVILLE, MD

SCALE: NTSG1

1 EXISTING REFERENCE PHOTOS

DATE:

DN

DN

1. ALL ARCHITECTURAL & ENGINEERING WORK SHALL

CONFORM TO THE CODES IDENTIFIED ON THIS SHEET, G2.

2. ALL NEW WORK SHALL COMPLY WITH ABA, THE

ARCHITECTURAL BARRIERS ACT (ABA) ACCESSIBILITY

GUIDELINES WHERE APPLICABLE.

3. ALL SURVEY WAS DONE VISUALLY FROM THE GROUND AT A

SINGLE POINT IN TIME. SOME ADDITIONAL REPAIR WORK

MAY BE REQUIRED DUE TO UNFORESEEN CONDITIONS IN

ADDITION TO THE WORK INDICATED ON THE DRAWINGS.

4. ALL WORK SHALL BE IN ACCORDANCE WITH STANDARD

OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION

(OSHA) GUIDELINES AND REGULATIONS.

5. CONTRACTOR SHALL OBTAIN AND PAY FOR ALL

CONSTRUCTION PERMITS. SEE SPECIFICATION SECTION

013100 PROJECT MANAGEMENT AND COORDINATION FOR

LIST OF APPLICABLE PERMITS AND DOCUMENTATION.

6. THESE NOTES ARE TO BE READ IN CONJUNCTION WITH ANY

WRITTEN SPECIFICATIONS AND THESE DRAWINGS. IN THE

EVENT OF CONFLICT BETWEEN THE INFORMATION ON THE

DRAWINGS AND THE SPECIFICATIONS, THE MOST

STRINGENT SHALL GOVERN.

7. HANGARS 3 AND 4 ARE LISTED ON THE NATIONAL REGISTER

OF HISTORIC PLACES AS A CONTRIBUTING STRUCTURE

WITHIN THE FLOYD BENNETT FIELD HISTORIC DISTRICT. ALL

WORK IS TO ADHERE TO THE SECRETARY OF THE

INTERIOR'S STANDARDS FOR HISTORIC PROPERTIES. NO

MATERIAL OR BUILDING ELEMENT SHALL BE REMOVED,

DISMANTLED OR DAMAGED BEYOND THE EXISTING

CONDITION UNLESS SPECIFICALLY INDICATED ON THE

DRAWINGS, SPECIFIED HEREIN, OR DIRECTED BY THE CO.

8. DEFINITIONS

A. EXISTING TO REMAIN: DESIGNATION FOR EXISTING

ITEMS THAT ARE NOT TO BE REMOVED AND THAT ARE

NOT OTHERWISE INDICATED TO BE SALVAGED OR

REINSTALLED.

B. DEMOLITION: DISMANTLE, RAZE, DESTROY OR WRECK

ANY BUILDING OR STRUCTURE OR ANY PART

THEREOF.

C. DISMANTLE: TO DISASSEMBLE OR DETACH A HISTORIC

ITEM FROM A SURFACE, OR A NONHISTORIC ITEM

FROM A HISTORIC SURFACE, USING GENTLE METHODS

AND EQUIPMENT TO PREVENT DAMAGE TO HISTORIC

ITEMS AND SURFACES; DISPOSING OF ITEMS UNLESS

INDICATED TO BE SALVAGED OR REINSTALLED.

D. REMOVE: TO TAKE DOWN OR DETACH A NON-HISTORIC

ITEM LOCATED WITHIN A HISTORIC SPACE, AREA, OR

ROOM, USING METHODS AND EQUIPMENT TO PREVENT

DAMAGE TO HISTORIC ITEMS AND SURFACES;

DISPOSING OF ITEMS UNLESS INDICATED TO BE

SALVAGED AND RETURNED TO THE PARK OR

REINSTALLED.

E. REMOVE AND SALVAGE: DETACH OR DISMANTLE

ITEMS FROM EXISTING CONSTRUCTION IN A

MANNER TO PREVENT DAMAGE. CLEAN, PACKAGE,

LABEL AND DELIVER SALVAGED ITEMS TO PARK IN

READY FOR-REUSE CONDITION.

F. REMOVE AND REINSTALL: DETACH OR DISMANTLE

ITEMS FROM EXISTING CONSTRUCTION IN A

MANNER TO PREVENT DAMAGE. CLEAN AND

PREPARE FOR REUSE AND REINSTALL WHERE

INDICATED.

G. RETAIN: TO KEEP EXISTING ITEMS THAT ARE NOT TO

BE DEMOLISHED, REMOVED OR DISMANTLED.

H. COMPLETE/LY: 100% OF THE IDENTIFIED SURFACE

PLANE: WALL TO WALL OR CORNER TO CORNER.

I. TYPICAL: THE IDENTIFIED TREATMENT IS TO BE

APPLIED AT ADDITIONAL LOCATIONS THROUGHOUT

THE DRAWINGS.

J. SIMILAR: THE REFERENCED DETAIL MUST BE

MODIFIED TO MEET THE REQUIREMENTS OF THIS

SPECIFIC LOCATION. CONTRACTOR IS TO SUBMIT

MARKED DETAIL SKETCH FOR REVIEW BY THE CO.

K. CO: THE GOVERNMENT CONTRACTING OFFICER.

19. ALL DEMOLITION WORK SHALL BE EXECUTED IN

CONFORMANCE WITH ALL CODES AND REGULATIONS SET

FORTH BY GOVERNING AUTHORITIES.

20. IF SUSPECT ACM MATERIAL IS FOUND AFTER THE PRIMARY

REMOVAL, THE CONTRACTOR SHALL IMMEDIATELY STOP

WORK IN THE SUBJECT AREA AND NOTIFY THE CO.

21. DEMOLITION, DISMANTLING, AND REMOVAL SHALL NOT BE

LIMITED TO ITEMS THUS SHOWN ON THE CONTRACT

DRAWINGS. DEMOLISH, DISMANTLE OR REMOVE ANY

EXISTING CONSTRUCTION NEEDED TO ACCOMMODATE

NEW CONSTRUCTION AS DESCRIBED IN THE CONTRACT

DOCUMENTS.

22. LEGALLY DISPOSE OF ALL MATERIALS OFF-SITE.

MATERIALS SHALL BE RECYCLED TO THE GREATEST

EXTENT POSSIBLE.

23. PROTECT ALL ADJACENT SURFACES AND EXISTING ITEMS

TO REMAIN DURING CONSTRUSTION.

24. IF EXISTING PIPING, DUCTWORK, OR ELECTRICAL CONDUIT

(OTHER THAN THAT SCHEDULED FOR REMOVAL) IS

ENCOUNTERED, THE CONTRACTOR SHALL NOTIFY CO

BEFORE PROCEEDING.

25. HOT WORK PERMIT REQUIRED FOR ALL CONSTRUCTION

ACTIVITIES THAT INVOLVE ANY BURNING, WELDING,

BRAZING, GRINDING, ROOFING OR OPEN FLAME. PERMITS

COORDINATED WITH CO AND ISSUED BY PARK

STRUCTURAL FIRE COORDINATOR. NOTIFY CO A MINIMUM

OF 72 HOURS IN ADVANCE OF STARTING WORK REQUIRING

HOT WORK PERMIT.

26. THIS BUILDING HAS BEEN UNOCCUPIED AND OPEN TO THE

ELEMENTS DUE TO PREVIOUS FIRE DAMAGE FOR MANY

YEARS. IF AT ANY TIME DURING CONSTRUCTION THE

CONTRACTOR IS CONCERNED ABOUT THE STRUCTURAL

STABILITY OF THE BUILDING WITHIN THE WORK AREA,

IMMEDIATELY NOTIFY THE CO. CONTRACTOR IS

RESPONSIBLE FOR TEMPORARY MEASURE TO ENSURE

THE BUILDING IS SAFE TO PERFORM THE NECESSARY

CONTRACT WORK.

27. DUE TO THE DETERIORATING CONDITIONS OF THE

BUILDING, THERE MAY BE EXPOSED LIVE WIRES

THROUGHOUT. CONTRACTOR TO ENSURE ALL UTILITIES

ARE SHUT OFF PRIOR TO COMMENCEMENT OF

ABATEMENT AND DEMOLITION WORK.

28. IF ANY UNWELCOME WILDLIFE OR PERSONS ARE

ENCOUNTERED, NOTIFY THE CO IMMEDIATELY.

29. IF TEMPORARY EXTERIOR LIGHTING IS PROPOSED, IT

SHALL COMPLY WITH NPS AND PARK LIGHTING

GUIDELINES TO REDUCE IMPACTS TO THE NIGHT SKY AND

WILDLIFE. THIS WILL INCLUDE, BUT IS NOT LIMITED TO,

ENERGY EFFICIENT LIGHT SOURCES IN WARM COLOR

HUES SUCH AS AMBER OR YELLOW (2700K OR WARMER),

SHIELDING TO DIRECT LIGHT DOWNWARD, UTILIZING THE

LOWEST LEVEL OF LUMENS POSSIBLE, AND FIXTURES

WITH ADAPTIVE TECHNOLOGY CONTROLS SUCH AS

TIMERS, MOTION DETECTORS, HUE ADAPTERS, AND

DIMMERS.

30. AVOID IMPACTS ON NESTING MIGRATORY BIRDS. IF WORK

WILL BE IMPLEMENTED DURING THE PERIOD BETWEEN

MARCH 15 - SEPTEMBER 1, THE CO MUST BE CONTACTED.

IF NEST BUILDING BEGINS, BIRDS MUST NOT BE HARASSED

IN ANY MANNER TO DETER NESTING ACTIVITY. PARK

APPROVAL IS REQUIRED PRIOR TO PLACEMENT OF ANY

STRUCTURES TO DETER NESTING AND ANY SUCH

STRUCTURE MAY ONLY BE PUT IN PLACE DURING THE

PERIOD BETWEEN SEPTEMBER 2 - MARCH 14.

31. CONTRACTOR TO COORDINATE WITH NPS-PROVIDED

ARCHEOLOGICAL MONITORING FIRM DURING

CONSTRUCTION ACTIVITIES THAT INVOLVE GROUND

DISTURBANCE.

9. THE CONTRACTOR SHALL DOCUMENT EXISTING

CONDITIONS PRIOR TO BEGINNING THE WORK. THE

CONTRACTOR SHALL PROVIDE PROTECTION AND TAKE

PRECAUTION TO AVOID DAMAGE TO ADJACENT ITEMS,

MATERIALS AND FINISHESBEYOND THE ALREADY

DETERIORATED STATE. ABATEMENT AND DEMOLITION

SHALL PROCEED WITH CARE SO AS TO NOT DAMAGE

HISTORIC FINISHES. ANY EXISTING ITEMS OR FINISHES

DAMAGED BY THE CONTRACTOR SHALL BE RESTORED TO

THEIR ORIGINAL CONDITION OR BETTER AT NO

ADDITIONAL COST TO THE GOVERNMENT.

10. CONTRACTOR SHALL USE ALL REASONABLE AND

CUSTOMARY CARE TO VERIFY ALL EXISTING CONDITIONS

IN FIELD. CONTRACTOR SHALL NOTIFY CO IMMEDIATELY

OF ANY INCONSISTENCIES BETWEEN THESE DRAWINGS

AND ACTUAL CONDITIONS BEFORE PROCEEDING WITH

ABATEMENT OR DEMOLITION. INFORMATION CONTAINED

ON THESE DRAWINGS WITH REGARD TO EXISTING

CONDITIONS OF CONSTRUCTION IS PROVIDED FOR THE

CONVENIENCE OF THE CONTRACTOR IN EXECUTING THE

WORK. THESE DRAWINGS HAVE BEEN BASED ON

DRAWINGS FROM THE HISTORIC STRUCTURE REPORT

AND FURTHER SUPPLEMENTED BY FIELD MEASUREMENTS

AND OBSERVATIONS.

11. THE CONTRACTOR IS SOLELY RESPONSIBLE FOR

SEQUENCING ALL WORK AND FOR COORDINATION OF ALL

SUBCONTRACTORS. REINSTALLATION OF ANY WORK

INSTALLED THAT HAS NOT BEEN COORDINATED AND

NEEDS TO BE REINSTALLED SHALL BE DONE AT THE

CONTRACTOR'S EXPENSE.

12. THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING

THE WORK OF ALL TRADES TO ASSURE PROPER

REMOVAL OF EXISTING CONSTRUCTION.

13. PARKING AREAS, DRIVEWAYS, SIDEWALKS, AND

SURFACED STREETS SHALL BE MAINTAINED IN A CLEAN

CONDITION. VEHICLES, INCLUDING TRUCKS AND OTHER

EQUIPMENT ARE NOT TO BE CLEANED OFF ON NPS

STREETS AND PARKING LOTS.

14. THE CONTRACTOR'S EQUIPMENT AND STAGING SHALL

NOT BLOCK BUILDING EXITS NOR LIMIT ACCESS TO THE

STRUCTURE BY THE FIRE DEPARTMENT IN THE EVENT OF

AN EMERGENCY.

15. SITE AND STORMWATER SYSTEMS SHALL BE PROTECTED

FROM DAMAGE OR CONTAMINATION DURING

CONSTRUCTION.

16. ALL DIMENSIONS OF EXISTING CONSTRUCTION ARE TO

FINISH FACE UNLESS OTHERWISE NOTED.

17. HAZMATS INCLUDING LEAD PAINT AND ASBESTOS WILL BE

ENCOUNTERED IN THE WORK. ANY AREAS NOT ABATED

PREVIOUSLY WILL BE REQUIRED TO BE ABATED AND/OR

DISPOSED OF PROPERLY ACCORDING TO THE HAZMAT

TESTING REPORT. LOCATIONS OF IDENTIFIED HAZMATS

WILL BE NOTED ON DRAWINGS. HOWEVER, THE

CONTRACTOR IS REQUIRED TO BE FULLY ACQUAINTED

WITH THE HAZMAT REPORT PRIOR TO START OF

CONSTRUCTION.

18. THE CONTRACTOR IS RESPONSIBLE FOR COMPLYING

WITH ALL NATIONAL, REGIONAL AND LOCAL CODES

RELEVANT TO WORKING WITH HAZARDOUS MATERIALS

INCLUDING BUT NOT LIMITED TO ASBESTOS AND LEAD

BASED PAINT.

WPA INFILL -

STORAGE

WPA INFILL -

STORAGE

001.1

BOILER ROOM

HANGAR 4 HANGAR 3WPA INFILL HANGAR 3

LEAN-TO

HANGAR 4

LEAN-TO

MEZZANINE ABOVE

A

B

C

D

E

F

G

H

I

J

1 2 3 4 5 6

MEZZANINE

F

G

HANG

ARS 3

(P

RO

JE

CT S

IT

E)

HANG

ARS 1

RYAN VISITOR CENTER. RESTROOM NOT FOR CONTRACTOR USE.

CONSTRUCTION ENTRANCE (SEE CIVIL)

LIMITS OF

CONSTRUCTION/

FENCING (SEE CIVIL)

CONTRACTOR OVERFLOW PARKINGNO

CONTRACTOR

PARKING

FLA

T B U

S H

A V E N

U E

R U

N W

A Y

PUBLIC RESTROOM

NOT FOR

CONTRACTOR USE

CONTRACTOR STAGING AREA AND

PARKING (SEE CIVIL)

EXISTING SITE FENCE

EXISTING CONCRETE

STRUCTURE NOT IN SCOPE

DATE:

DESIGNED:

TECH. REVIEW:

SUB SHEET NO.

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PROJECT INFORMATION

SCALE AG2

2 BUILDING KEY PLAN

3159 FLATBUSH AVE, BROOKLYN, NY 11234

PROJECT ADDRESS

HANGARS 3 & 4 ARE CONTRIBUTING RESOURES TO FLOYD

BENNET FIELD AND SHOULD BE TREATED AS LISTED ON THE

NATIONAL AND STATE REGISTERS OF HISTORIC PLACES. ALL

WORK MUST BE IN ACCORDANCE WITH THE SECRETARY OF

INTERIOR'S STANDARDS FOR TREATMENT OF HISTORIC

PROPERTIES (CODIFIED IN 1995 AND UPDATED IN 2017).

IT IS IMPERATIVE THAT WORKMANSHIP OF THE HIGHEST

QUALITY BE UTILIZED IN THIS HISTORIC STRUCTURE.

PRECAUTIONS MUST BE TAKEN AT ALL TIMES TO ENSURE

SAFETY AND PRESERVATION OF THE STRUCTURE. NPS SHALL

HAVE FULL DISCRETION TO SUSPEND WORK ON THE PART OF

THE CONTRACTOR OR SUBCONTRACTOR WHICH IS LIKELY TO

RESULT IN DAMAGE TO THE STRUCTURE.

THE PROJECT SHALL BE ORGANIZED TO FACILITATE THE WORK

WITHOUT JEOPARDIZING THE PRESERVATION OF HISTORIC

ARTIFACTS ON THE SITE. PROTECTION AND PRESERVATION ARE

THE RESPONSIBILITY OF THE CONTRACTOR.

THE EXISTING BUILDING IS APPROXIMATELY 50,000 SQUARE

FEET. THE BUILDING IS PRIMARILY A SHELL SPACE WITH

UNCERTAIN FUTURE USE/OCCUPANCY. FOR THE PURPOSES OF

THIS PROJECT, WE ARE DETERMINING THE BUILDING USE IS S-2,

LOW-HAZARD STORAGE.

HISTORIC DESIGNATION

GENERAL NOTES SCALE: NTSG2

1 HANGARS 3 & 4 SITE AND STAGING PLAN

NOTE: THIS STAGING PLAN IS FOR GENERAL GUIDANCE. CONTRACTOR TO SUBMIT STAGING PLAN

PRIOR TO COMMENCEMENT OF WORK. EXISTING RESTROOMS AND WIFI ARE NOT AVAILABLE ON

SITE. LIMITED POWER MAY BE AVAILABLE. CONFIRM WITH CO. SEE ADDITIONAL INFORMATION ON

CIVIL DRAWINGS.

SCALE OF FEET

0'32' 32'16'

SCALE A

B L D

G . 40º

BUILDING

NORTH

WPA INFILL -

STORAGE

WPA INFILL -

STORAGE

001.1

BOILER ROOM

BOILER ROOM IS NOT REQUIRED

TO BE ON AN ACCESSIBLE

ROUTE PER REQUIREMENTS OF

THIS PROJECT

JANITOR

HANGAR 3

ELEC

RESTROOM

ELEC

CORRIDOR

HANGAR 4

STORAGE

STORAGE

SLIDING DOOR

TRACKS ON RAISED

SLAB, TYP.

RESTROOM

A

B

C

D

E

F

G

H

I

J

1 2 3 4 5 6

MEZZANINE IS NOT REQUIRED TO BE

ON AN ACCESSIBLE ROUTE PER

REQUIREMENTS OF THIS PROJECT

MEZZ - STORAGE

MEZZ- STORAGE

F

G

3 4

LEGEND

ROOM

ON ACCESSIBLE ROUTE

ACCESSIBLE DOOR

DATE:

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ACCESSIBILITY PLAN

SCALE AG3

1 FLOOR PLAN - ACCESSIBILITY PLAN

SCALE OF FEET

0'16' 16' 32'8'

SCALE A

WPA INFILL - MEZZANINE

BUILDING

NORTH

12/19/2025 153

1,034 SF 352 SF

A

B

C

D

E

F

G

H

I

J

1 2 3 4 5 6

HANGAR 4 HANGAR 3WPA INFILL HANGAR 3

LEAN-TO

HANGAR 4

LEAN-TO

HANG

ARS 3

50,0 00 S

F

HANG

ARS 1

FLA

T B U

S H

A V E N

U E

EXISTING SITE FENCE

0'

± 145'

SIDE

YARDS

60'

60'

60'

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CODE ANALYSIS

CODE ANALYSIS

A AUTHORITIES HAVING JURISDICTION

1. National Park Service

B APPLICABLE CODES

Civil Site & Transportation

ABA (Architectural Barriers Act) Accessibility Standards DOT (Department of Transportation)

Water Systems / Wastewater Systems ACI (American Concrete Institute) ACPA (American Concrete Pipe Association) ANSI (American National Standards Institute) ASTM International DEP (Department of Environmental Protection) with Regulations EPA (Environmental Protection Agency) with Regulations IBC 2024 (International Building Code) IPC 2024 (International Plumbing Code) OSHA (Occupational Safety and Health Administration)

Hazardous Materials

ANSI

ASTM International EPA (Environmental Protection Agency)

OSHA

Code of Federal Regulations (CFR) 36 CFR - Parks, Forests, and Public Property

Part 1191: Americans with Disabilities Act (ADA), Accessibility Guidelines for Buildings and Facilities;

Architectural Barriers Act (ABA) Accessibility Guidelines

40 CFR - Protection of Environment Part 122: EPA Administered Permit Programs - The National Pollutant Discharge Elimination System Part 130: Water Quality Planning and Management Part 131: Water Quality Standards

Architectural IBC 2024, with Appendices (International Building Code) NFPA 101 Life Safety Code (National Fire Protection Association) - Use when IBC is silent.

IEBC 2024, with Appendices (International Existing Building Code) ABAAS (Architectural Barriers Act Accessibility Standards)

Electrical ASHRAE 90.1 2016 (American Society of Heating, Refrigerating and Air Conditioning Engineers) EIA/TIA Standards 568 & 569 (Electronic Industries Alliance/Telecommunications Industry Association) IEEE Standards IES Lighting Handbook 10th Edition (Illuminating Engineering Society) NESC 2017 (National Electrical Safety Code) NFPA 70: NEC 2023 (National Electrical Code) UL (Formerly Underwriters Laboratories)

Fire Protection IBC 2024, with Appendices (International Building Code) IFC 2024, with Appendices (International Fire Code) IEBC 2024, with Appendices (International Existing Building Code) NFPA 10 Standard for Portable Fire Extinguishers, 2024 Edition NFPA 13 Standard for the Installation of Sprinkler Systems, 2022 Edition NFPA 72 National Fire Alarm Code and Signaling Code, 2022 Edition

Heating, Ventilation, and Air Conditioning (HVAC) IECC 2021 (International Energy Conservation Code) IMC 2024 (International Mechanical Code) ASHRAE (American Society of Heating, Refrigerating and Air Conditioning Engineers)

ASHRAE Guideline 0-2013 The Commissioning Process ASHRAE Guideline 1.1-2007 HVAC&R (HVAC & Refrigeration) Technical Requirements for The Commissioning Process ASHRAE 52.2-2012 Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size ASHRAE 55-2010 Thermal Environmental Conditions for Human Occupancy ASHRAE 62.1-2016 Ventilation for Acceptable IAQ (Indoor Air Quality)

ANSI (American National Standards Institute)/ASHRAE ANSI/ASHRAE 15-2016 Safety Standard for Refrigeration Systems

ANSI/ASHRAE/IES (Illuminating Engineering Society) 90.1-2013 Energy Standard for Buildings Except Low-Rise Residential Buildings ANSI/SMACNA (Sheet Metal and Air Conditioning Contractors' National Association) 006-2006 HVAC Duct Construction Standards - Metal and Flexible NFPA (National Fire Protection Association) Codes and Standards - see Fire Protection Engineering Standards

SCALE OF FEET

0'32' 32'16'

SCALE A

WORK AREA

SCALE AG4

3 FLOOR PLAN - WORK AREA PLAN

LEVEL OF ALTERATION

ALTERATION - LEVEL 2:

There is no change in use from Hangars 3&4 being deemed an NPS storage facility since 1998. All existing mechanical, electrical, and plumbing systems will be replaced with new systems. All lighting will be replaced in-kind. New MEP rooms will be added to existing spaces.

801.3 System Installations (2024 EBC Chapter 8)

Requirements related to work area are not applicable where the Level 2 alterations are limited solely to one or more of the following:

1. Mechanical systems, electrical systems, fire protection systems and abatement of hazardous materials.

2. Windows, hardware, operating controls, electrical outlets and signs.

3. Alterations undertaken for the primary purpose of increasing the accessibility of a facility.

C USE GROUP/OCCUPANCY AND CONSTRUCTION TYPE

1. CONSTRUCTION TYPE: TYPE VB

2. USE GROUP/OCCUPANCY: S-2 (LOW-HAZARD

STORAGE)

3. NONSPRINKLERED

D FIRE PROTECTION AND LIFE SAFETY SYSTEMS

1. STORIES: ONE

2. BUILDING HEIGHT LIMITATION

(NONSPRINKLERED): 40' (2024 IBC Chapter 5, TABLE 504.3)

• ACTUAL HEIGHT: ±38’

3. BUILDING AREA LIMITATION (NONSPRINKLERED):

13,500 sf (2024 IBC Chapter 5, Section 506)

• ACTUAL BUILDING AREA: ±50,000 sf

• PER 2024 IBC SECTION 507.3, THIS

BUILDING QUALIFIES AS AN UNLIMITED

AREA BUILDING:

1. 507.3: NONSPRINKLERED, ONE-

STORY BUILDINGS.

THE AREA OF A GROUP F-2 OR S-2

BUILDING OF ANY COSTRUCTION

TYPE NOT MORE THAN ONE STORY

ABOVE GRADE PLANE SHALL NOT BE

LIMITED WHERE THE BUILDING IS

SURROUNDED AND ADJOINED BY

PUBLIC WAYS OR YARDS NOT LESS

THAN 60ft IN WIDTH.

1. NO FIRE ALARM SYSTEM PROVIDED

A. 2024 IBC SECTION 907.2.10: A FIRE ALARM

SYSTEM SHALL ONLY BE INSTALLED FOR

THE FOLLOWING STORAGE CONDITIONS:

a. "907.2.10.1: PUBLIC AND SELF-

STORAGE OCCUPANCIES"

b. "907.2.10.2: STORAGE OF LITHIUM-ION

OR LITHIUM METAL BATTERIES."

E FIRE RESISTANCE RATINGS FOR BUILDING

ELEMENTS

1. IBC TABLE 601: TYPE VB CONSTRUCTION

0 HR STRUCTURAL FRAME

0 HR EXTERIOR BEARING WALLS

0 HR EXTERIOR NON-BEARING WALLS

0 HR INTERIOR BEARING WALLS

0 HR INTERIOR NON-BEARING WALLS

0 HR FLOOR CONSTRUCTION

0 HR ROOF CONSTRUCTION

F MEANS OF EGRESS ANALYSIS

1. OCCUPANCY LOAD:

A. PRIMARY: WAREHOUSES = 500 GROSS SF

B. SECONDARY: ACCESSORY STORAGE

AREAS MECH ROOMS = 300 GROSS SF

C. MAXIMUM ALLOWABLE OCCUPANT LOAD:

114 OCCUPANTS

D. ACTUAL OCCUPANT LOAD: 5 OCCUPANTS

2. NUMBER OF EXITS REQUIRED: 4

• EXITS PROVIDED: 7

3. MAXIMUM OCCUPANT LOAD OF SPACE WITH

ONE EXIT: 29 OCCUPANTS (TABLE 1006.2.1)

4. LENGTH OF TRAVEL MAXIMUM: 400FT (TABLE

1017.2)

5. MAXIMUM COMMON PATH OF EGRESS TRAVEL

DISTANCE: 100FT (TABLE 1006.2.1)

G PLUMBING REQUIREMENTS

1. WATER CLOSETS: 1 PER 100 (MALE AND FEMALE

COMBINED)

A. REQUIRED: 1

2. LAVATORIES: 1 PER 100 (MALE AND FEMALE

COMBINED)

A. REQUIRED: 1

3. BATHTUBS/SHOWERS: NONE

4. DRINKING FOUNTAIN: 1 PER 1,000

A. REQUIRED: 1

5. OTHER: 1 SERVICE SINK

A. REQUIRED: 1

Plumbing IPC 2024 (International Plumbing Code) Barrier-Free Plumbing Fixtures: ABA (Architectural Barriers Act) Accessibility Standards

Fuel Systems IFGC 2024 (International Fuel Gas Code) NFPA Codes and Standards - see Fire Protection

Structural IEBC 2024 (International Existing Building Code)

Sustainability ASHRAE (American Society of Heating, Refrigeration, and Air Conditioning Engineers)

ASHRAE Guideline 0 2013 The Commissioning Process ASHRAE Guideline 1.1 2007 HVAC&R (Heating, Ventilation, Air Conditioning, and Refrigeration) Technical Requirements for The Commissioning Process ASHRAE 52.2-2012 Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size ASHRAE Standard 55 2013 Thermal Environmental Conditions for Human Occupancy ASHRAE Standard 62.1 2013 Ventilation for Acceptable IAQ (Indoor Air Quality) ASHRAE Standard 90.1 2016 Energy Standard for Buildings Except Low-Rise Residential Buildings ASHRAE Standard 189.1 2014 Standard for the Design of High-Performance, Green Buildings Except Low-Rise Residential Buildings

IBC 2024 (International Building Code) IEBC 2024 (International Existing Building Code) IECC 2021 (International Energy Conservation Code) IgCC 2021 (International Green Construction Code) SMACNA IAQ (Sheet Metal and Air Conditioning Contractor's National Association)

IAQ: A Systems Approach

Additional Requirements https://www.nps.gov/dscw/dstandards.htm

NPS Reference Manual 58

BUILDING AREA LIMITATION

SCALE: NTS

BUILDING

NORTH

ROOM NUMBER

EXIT CAPACITY

EGRESS PATH AND LENGTH

LEGEND

Room name

15,000 SF

300 SF

MAX OCCUPANCY

ROOM OCCUPANCY

MAX EXIT CAPACITY

D=XX'

1 HR FIRE BARRIER

EXIT SIGN

ROOM AREA

WORK AREA

2 HR FIRE BARRIER

4586 SF

WPA INFILL - STORAGE

500 SF

1809 SF

BOILER ROOM

300 SF

16500 SF

HANGAR 3

500 SF

471 SF

ELEC

300 SF

92 SF

ELEC

300 SF

16586 SF

HANGAR 4

500 SF

3491 SF

STORAGE

300 SF

D=158' - 0"

D=162' - 4"

D=44' - 6"

D=100' - 7"

D=158' - 11"

D=162' - 10"

D=100' - 7"

2630 SF

STORAGE

300 SF

D=92' - 6"

308 SF

FUTURE FIRE PUMP ROOM

300 SF

A

B

C

D

E

F

G

H

I

J

1 2 3 4 5 6

ALL STRUCTURAL

ELEMENTS SUPPORTING

RATED ASSEMBLIES MUST

BE RATED NO LESS THAN

THE ASSEMBLY IT IS

SUPPORTING.

THEREFORE, ALL STEEL

ELEMENTS THAT FALL

INTO THIS CATEGORY

MUST APPLY

FIREPROOFING.

D=168' - 3"

236 SF

MEZZ- STORAGE

300 SF

404 SF

MEZZ - STORAGE

300 SF

F

G

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LIFE SAFETY PLAN

SCALE OF FEET

0'16' 16' 32'8'

SCALE A

SCALE AG5

1 FLOOR PLAN - LIFE SAFETY PLAN

WPA INFILL - MEZZANINE

BUILDING

NORTH

12/19/2025 1536

DESIGNED:

TECH. REVIEW:

SUB SHEET NO. TITLE OF SHEET

HANGARS 3 & 4 REHABILITATION12/19/2025

YL/MC

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THE PROJECT CONSIDERED TO BE IN

AN "OTHERWISE PROTECTED AREAS

(OPAs)" ADJACENT TO ZONE X WHICH

INCLUDES AREAS OF 0.2% ANNUAL

CHANCE FLOOD. THE SITE IS

APPROXIMATELY AT ELEVATION 13 FT

(NAVD88)

FIRM MAP

(PRELIMINARY 2013)

G6

DESIGNED:

TECH. REVIEW:

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FIRM MAP

(EFFECTIVE 2007)

G7

THE PROJECT CONSIDERED TO BE IN

AN "OTHERWISE PROTECTED AREAS

(OPAs)" ADJACENT TO ZONE X WHICH

INCLUDES AREAS OF 0.2% ANNUAL

CHANCE FLOOD. THE SITE IS

APPROXIMATELY AT ELEVATION 13 FT

(NAVD88)

General

1. CONTRACTOR SHALL NOTIFY NEW YORK 811 (CALL 811 OR 1-800-272-4480)

AT LEAST 72 HOURS BEFORE EXCAVATING.

2. CONTRACTOR SHALL BE RESPONSIBLE FOR SITE SECURITY AND JOB SAFETY.

CONSTRUCTION ACTIVITIES SHALL BE IN ACCORDANCE WITH OSHA

STANDARDS AND LOCAL REQUIREMENTS.

3. ACCESSIBLE ROUTES, PARKING SPACES, RAMPS, SIDEWALKS AND WALKWAYS

SHALL BE CONSTRUCTED IN CONFORMANCE WITH DSC ACCESSIBLE ROUTE

DESIGN STANDARDS.

4. WORK WITHIN THE LOCAL RIGHT-OF-WAY SHALL CONFORM TO THE LATEST

VERSION OF THE NEW YORK CITY HIGHWAY RULES (TITLE 34, CHAPTER 2 OF

THE RULES OF THE CITY OF NEW YORK), THE NEW YORK CITY DEPARTMENT OF

TRANSPORTATION (NYCDOT) STANDARD DETAILS OF CONSTRUCTION AND

NYCDOT STANDARD HIGHWAY SPECIFICATIONS AND ALL OTHER APPLICABLE

NYC RULES, DETAILS AND SPECIFICATIONS.

5. UPON AWARD OF CONTRACT, CONTRACTOR SHALL MAKE NECESSARY

CONSTRUCTION NOTIFICATIONS AND APPLY FOR AND OBTAIN NECESSARY

PERMITS, PAY FEES, AND POST BONDS ASSOCIATED WITH THE WORK

INDICATED ON THE DRAWINGS, IN THE SPECIFICATIONS, AND IN THE

CONTRACT DOCUMENTS. DO NOT CLOSE OR OBSTRUCT ROADWAYS,

SIDEWALKS, AND FIRE HYDRANTS, WITHOUT APPROPRIATE PERMITS.

6. AREAS OUTSIDE THE LIMITS OF PROPOSED WORK DISTURBED BY THE

CONTRACTOR'S OPERATIONS SHALL BE RESTORED BY THE CONTRACTOR TO

THEIR ORIGINAL CONDITION AT THE CONTRACTOR'S EXPENSE.

7. IN THE EVENT THAT SUSPECTED CONTAMINATED SOIL, GROUNDWATER, AND

OTHER MEDIA ARE ENCOUNTERED DURING EXCAVATION AND

CONSTRUCTION ACTIVITIES BASED ON VISUAL, OLFACTORY, OR OTHER

EVIDENCE, THE CONTRACTOR SHALL STOP WORK IN THE VICINITY OF THE

SUSPECT MATERIAL TO AVOID FURTHER SPREADING OF THE MATERIAL, AND

SHALL NOTIFY THE GOVERNMENT IMMEDIATELY SO THAT THE APPROPRIATE

TESTING AND SUBSEQUENT ACTION CAN BE TAKEN.

8. CONTRACTOR SHALL PREVENT DUST, SEDIMENT, AND DEBRIS FROM EXITING

THE SITE AND SHALL BE RESPONSIBLE FOR CLEANUP, REPAIRS AND

CORRECTIVE ACTION IF SUCH OCCURS.

9. DAMAGE RESULTING FROM CONSTRUCTION LOADS SHALL BE REPAIRED BY

THE CONTRACTOR AT NO ADDITIONAL COST TO THE GOVERNMENT.

10. CONTRACTOR SHALL CONTROL STORMWATER RUNOFF DURING

CONSTRUCTION TO PREVENT ADVERSE IMPACTS TO OFF SITE AREAS, AND

SHALL BE RESPONSIBLE TO REPAIR RESULTING DAMAGES, IF ANY, AT NO COST

TO THE GOVERNMENT.

11. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL PEDESTRIAN SIGNAGE.

12. CONTRACTOR SHALL SCHEDULE AND COORDINATE WITH REQUIRED

ARCHEOLOGICAL MONITORING (PROVIDED BY GOVERNMENT) FOR ALL

GROUND DISTURBANCES ACTIVITIES.

Utilities

1. THE LOCATIONS, SIZES, AND TYPES OF EXISTING UTILITIES ARE SHOWN AS AN

APPROXIMATE REPRESENTATION ONLY. THE GOVERMENT OR ITS

REPRESENTATIVE(S) HAVE NOT INDEPENDENTLY VERIFIED THIS INFORMATION

AS SHOWN ON THE PLANS. THE UTILITY INFORMATION SHOWN DOES NOT

GUARANTEE THE ACTUAL EXISTENCE, SERVICEABILITY, OR OTHER DATA

CONCERNING THE UTILITIES, NOR DOES IT GUARANTEE AGAINST THE

POSSIBILITY THAT ADDITIONAL UTILITIES MAY BE PRESENT THAT ARE NOT

SHOWN ON THE PLANS. PRIOR TO ORDERING MATERIALS AND BEGINNING

CONSTRUCTION, THE CONTRACTOR SHALL VERIFY AND DETERMINE THE

EXACT LOCATIONS, SIZES, AND ELEVATIONS OF THE POINTS OF CONNECTIONS

TO EXISTING UTILITIES AND, SHALL CONFIRM THAT THERE ARE NO

INTERFERENCES WITH EXISTING UTILITIES AND THE PROPOSED UTILITY

ROUTES, INCLUDING ROUTES WITHIN THE PUBLIC RIGHTS OF WAY.

2. WHERE AN EXISTING UTILITY IS FOUND TO CONFLICT WITH THE PROPOSED

WORK, OR EXISTING CONDITIONS DIFFER FROM THOSE SHOWN SUCH THAT

THE WORK CANNOT BE COMPLETED AS INTENDED, THE LOCATION,

ELEVATION, AND SIZE OF THE UTILITY SHALL BE ACCURATELY DETERMINED

WITHOUT DELAY BY THE CONTRACTOR, AND THE INFORMATION FURNISHED

IN WRITING TO THE GOVERNMENT'S REPRESENTATIVE FOR THE RESOLUTION

OF THE CONFLICT AND CONTRACTOR'S FAILURE TO NOTIFY PRIOR TO

PERFORMING ADDITIONAL WORK RELEASES THE GOVERNMENT FROM

OBLIGATIONS FOR ADDITIONAL PAYMENTS WHICH OTHERWISE MAY BE

WARRANTED TO RESOLVE THE CONFLICT.

3. RIM ELEVATIONS FOR ELECTRIC AND TELEPHONE PULL BOXES, MANHOLES,

AND OTHER SUCH ITEMS, ARE APPROXIMATE AND SHALL BE SET/RESET AS

FOLLOWS:

A. PAVEMENTS AND CONCRETE SURFACES: FLUSH

B. ALL SURFACES ALONG ACCESSIBLE ROUTES: FLUSH

C. LANDSCAPE, LOAM AND SEED, AND OTHER EARTH SURFACE AREAS:

ONE INCH ABOVE SURROUNDING AREA AND TAPER EARTH TO THE RIM

ELEVATION.

4. THE LOCATION, SIZE, DEPTH, AND SPECIFICATIONS FOR CONSTRUCTION OF

PROPOSED PRIVATE UTILITY SERVICES SHALL BE INSTALLED ACCORDING TO

THE REQUIREMENTS PROVIDED BY, AND APPROVED BY, THE RESPECTIVE

UTILITY COMPANY (GAS, TELEPHONE, ELECTRIC, FIRE ALARM, ETC.). FINAL

DESIGN LOADS AND LOCATIONS TO BE COORDINATED WITH THE GOVERMENT

AND THE CONTRACTING OFFICER.

5. CONTRACTOR SHALL MAKE ARRANGEMENTS FOR AND SHALL BE RESPONSIBLE

FOR PAYING FEES FOR POLE RELOCATION AND FOR THE ALTERATION AND

ADJUSTMENT OF GAS, ELECTRIC, TELEPHONE, FIRE ALARM, AND ANY OTHER

PRIVATE UTILITIES, WHETHER WORK IS PERFORMED BY CONTRACTOR OR BY

THE UTILITY COMPANY.

6. CONTRACTOR SHALL COORDINATE WITH ELECTRICAL CONTRACTOR AND

SHALL FURNISH EXCAVATION, INSTALLATION, AND BACKFILL OF ELECTRICAL

FURNISHED SITEWORK RELATED ITEMS SUCH AS PULL BOXES, CONDUITS,

DUCT BANKS, LIGHT POLE BASES, AND CONCRETE PADS. SITE CONTRACTOR

SHALL FURNISH CONCRETE ENCASEMENT OF DUCT BANKS IF REQUIRED BY

THE UTILITY COMPANY AND AS INDICATED ON THE DRAWINGS.

Layout and Materials

1. DIMENSIONS ARE FROM THE FACE OF CURB, FACE OF BUILDING, FACE OF

WALL, AND CENTER LINE OF PAVEMENT MARKINGS, UNLESS OTHERWISE

NOTED.

2. CURB RADII ARE THREE (3) FEET UNLESS OTHERWISE NOTED.

3. CURBING SHALL BE POURED IN PLACE CONCRETE CURB WITHIN THE SITE

UNLESS OTHERWISE INDICATED ON THE PLANS.

4. SEE ARCHITECTURAL DRAWINGS FOR EXACT BUILDING DIMENSIONS AND

DETAILS CONTIGUOUS TO THE BUILDING, INCLUDING SIDEWALKS, RAMPS,

BUILDING ENTRANCES, STAIRWAYS, UTILITY PENETRATIONS, CONCRETE DOOR

PADS, COMPACTOR PAD, LOADING DOCKS, BOLLARDS, ETC.

5. PROPOSED BOUNDS AND ANY EXISTING PROPERTY LINE MONUMENTATION

DISTURBED DURING CONSTRUCTION SHALL BE SET OR RESET BY A

PROFESSIONAL LICENSED SURVEYOR.

6. PRIOR TO START OF CONSTRUCTION, CONTRACTOR SHALL VERIFY EXISTING

PAVEMENT ELEVATIONS AT INTERFACE WITH PROPOSED PAVEMENTS TO

ASSURE PROPER TRANSITIONS BETWEEN EXISTING AND PROPOSED FACILITIES.

Demolition

1. CONTRACTOR SHALL REMOVE AND DISPOSE OF EXISTING MANMADE SURFACE

FEATURES WITHIN THE LIMIT OF WORK INCLUDING BUILDINGS, STRUCTURES,

PAVEMENTS, SLABS, CURBING, FENCES, UTILITY POLES, SIGNS, ETC. ONLY AS

INDICATED ON THE DRAWINGS.

2. EXISTING UTILITIES SHALL BE TERMINATED, UNLESS OTHERWISE NOTED, IN

CONFORMANCE WITH LOCAL, STATE AND INDIVIDUAL UTILITY COMPANY

STANDARD SPECIFICATIONS AND DETAILS. THE CONTRACTOR SHALL

COORDINATE UTILITY SERVICE DISCONNECTS WITH THE UTILITY

REPRESENTATIVES.

3. CONTRACTOR SHALL DISPOSE OF DEMOLITION DEBRIS IN ACCORDANCE WITH

APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS, ORDINANCES AND

STATUTES.

4 THE CONTRACTOR IS RESPONSIBLE FOR IDENTIFYING THE DETAILED SCOPE OF

DEMOLITION BEFORE SUBMITTING ITS BID/PROPOSAL TO PERFORM THE

WORK AND SHALL MAKE NO CLAIMS AND SEEK NO ADDITIONAL

COMPENSATION FOR CHANGED CONDITIONS OR UNFORESEEN OR LATENT

SITE CONDITIONS RELATED TO ANY CONDITIONS DISCOVERED DURING

EXECUTION OF THE WORK.

5. UNLESS OTHERWISE SPECIFICALLY PROVIDED ON THE PLANS OR IN THE

SPECIFICATIONS, THE CONTRACTING OFFICER HAS NOT PREPARED DESIGNS

FOR AND SHALL HAVE NO RESPONSIBILITY FOR THE PRESENCE, DISCOVERY,

REMOVAL, ABATEMENT OR DISPOSAL OF HAZARDOUS MATERIALS, TOXIC

WASTES OR POLLUTANTS AT THE PROJECT SITE. THE CONTRACTING OFFICER

SHALL NOT BE RESPONSIBLE FOR ANY CLAIMS OF LOSS, DAMAGE, EXPENSE,

DELAY, INJURY OR DEATH ARISING FROM THE PRESENCE OF HAZARDOUS

MATERIAL AND CONTRACTOR SHALL INDEMNIFY AND HOLD HARMLESS THE

ENGINEER FROM ANY CLAIMS MADE IN CONNECTION THEREWITH.

MOREOVER, THE ENGINEER SHALL HAVE NO ADMINISTRATIVE OBLIGATIONS

OF ANY TYPE WITH REGARD TO ANY CONTRACTOR AMENDMENT INVOLVING

THE ISSUES OF PRESENCE, DISCOVERY, REMOVAL, ABATEMENT OR DISPOSAL

OF ASBESTOS OR OTHER HAZARDOUS MATERIALS.

Erosion Control

1. CONTRACTOR SHALL INSPECT AND MAINTAIN EROSION CONTROL MEASURES

ON A WEEKLY BASIS (MINIMUM). THE CONTRACTOR SHALL ADDRESS

DEFICIENCIES AND MAINTENANCE ITEMS WITHIN TWENTY-FOUR HOURS OF

INSPECTION. CONTRACTOR SHALL PROPERLY DISPOSE OF SEDIMENT SUCH

THAT IT DOES NOT ENCUMBER OTHER DRAINAGE STRUCTURES AND

PROTECTED AREAS.

2. CONTRACTOR SHALL BE FULLY RESPONSIBLE TO CONTROL CONSTRUCTION

SUCH THAT SEDIMENTATION SHALL NOT AFFECT REGULATORY PROTECTED

AREAS, WHETHER SUCH SEDIMENTATION IS CAUSED BY WATER, WIND, OR

DIRECT DEPOSIT.

3. CONTRACTOR SHALL PERFORM CONSTRUCTION SEQUENCING SUCH THAT

EARTH MATERIALS ARE EXPOSED FOR A MINIMUM OF TIME BEFORE THEY ARE

COVERED, SEEDED, OR OTHERWISE STABILIZED TO PREVENT EROSION.

4. UPON COMPLETION OF CONSTRUCTION AND ESTABLISHMENT OF

PERMANENT GROUND COVER, CONTRACTOR SHALL REMOVE AND DISPOSE

OF EROSION CONTROL MEASURES AND CLEAN SEDIMENT AND DEBRIS FROM

ENTIRE DRAINAGE AND SEWER SYSTEMS.

Existing Conditions Information

1. BASE PLAN IS BASED UPON AN ACTUAL FIELD SURVEY PERFORMED BY

VHB, INC. IN MAY, 2024, AND SUPPLEMENTED WITH INFORMATION SHOWN

ON AS-BUILT FOR HANGARS 1 & 2, TITLED RENOVATIONS TO HANGARS 1

& 2, VOLUME 1, PREPARED BY BL COMPANIES, DATED DECEMBER 17,

2015. ADDITIONAL SUPPLEMENTAL SURVEY WAS PERFORMED ON JULY

29, 2025 AND AUGUST 1, 2025

2. HORIZONTAL DATUM IS BASED ON NORTH AMERICAN DATUM OF 1983

(NAD83-2011), NEW YORK STATE PLANE COORDINATES, LONG ISLAND

ZONE (3104). ELEVATIONS SHOWN REFER TO NORTH AMERICAN DATUM

OF 1988 (NAVD88). UNITS ARE SURVEY FEET.

Document Use

1. IT IS A VIOLATION OF LAW FOR ANY PERSON, UNLESS THEY ARE ACTING

UNDER THE DIRECTION OF A LICENSED PROFESSIONAL ENGINEER, ARCHITECT,

LANDSCAPE ARCHITECT, OR LAND SURVEYOR, TO ALTER AN ITEM IN ANY WAY.

IF AN ITEM BEARING THE STAMP OF A LICENSED PROFESSIONAL IS ALTERED,

THE ALTERING ENGINEER, ARCHITECT, LANDSCAPE ARCHITECT, OR LAND

SURVEYOR SHALL STAMP THE DOCUMENT AND INCLUDE THE NOTATION

"ALTERED BY" FOLLOWED BY THEIR SIGNATURE, THE DATE OF SUCH

ALTERATION, AND A SPECIFIC DESCRIPTION OF THE ALTERATION.

2. CONTRACTOR SHALL NOT RELY SOLELY ON ELECTRONIC VERSIONS OF PLANS,

SPECIFICATIONS, AND DATA FILES THAT ARE OBTAINED FROM THE DESIGNERS,

BUT SHALL VERIFY LOCATION OF PROJECT FEATURES IN FIELD.

3. SYMBOLS AND LEGENDS OF PROJECT FEATURES ARE GRAPHIC

REPRESENTATIONS AND ARE NOT NECESSARILY SCALED TO THEIR ACTUAL

DIMENSIONS OR LOCATIONS ON THE DRAWINGS. THE CONTRACTOR SHALL

REFER TO THE DETAIL SHEET DIMENSIONS, MANUFACTURERS' LITERATURE,

SHOP DRAWINGS AND FIELD MEASUREMENTS OF SUPPLIED PRODUCTS FOR

LAYOUT OF THE PROJECT FEATURES.

Notes

MAJOR CONTOUR

MINOR CONTOUR

CON EDISON SERVICE BOX

TELECOM JUNCTION BOX

ELECTRIC MANHOLE

UTILITY POLE

LIGHT POLE

ELECTRIC METER

FIRE HYDRANT

WATER METER

BUILDING ENTRANCE

BUILDING

Exist. Prop.

DOUBLE CATCH BASIN

SEWER MANHOLE

WATER VALVE & BOX

DRAIN MANHOLE

ROUND CATCH BASIN

ELECTRIC

TELECOMMUNICATIONS

GAS

WATER

TOP & BOTTOM OF WALL ELEVATION

TOP OF CURB ELEVATION

BOTTOM OF CURB ELEVATION

SPOT ELEVATION

ABAN ABANDON

ADJ ADJUST

APPROX APPROXIMATE

BIT BITUMINOUS

BS BOTTOM OF SLOPE

CONC CONCRETE

ELEV ELEVATION

EX EXISTING

LOD LIMIT OF DISTURBANCE

MAX MAXIMUM

MIN MINIMUM

NIC NOT IN CONTRACT

NTS NOT TO SCALE

PERF PERFORATED

PROP PROPOSED

REM REMOVE

RET RETAIN

R&D REMOVE AND DISPOSE

R&R REMOVE AND RESET

TYP TYPICAL

CB CATCH BASIN

CMP CORRUGATED METAL PIPE

DCB DOUBLE CATCH BASIN

DMH DRAIN MANHOLE

CIP CAST IRON PIPE

COND CONDUIT

DIP DUCTILE IRON PIPE

FES FLARED END SECTION

F&G FRAME AND GRATE

F&C FRAME AND COVER

HDPE HIGH DENSITY POLYETHYLENE PIPE

HYD HYDRANT

INV INVERT ELEVATION

LP LIGHT POLE

PVC POLYVINYLCHLORIDE PIPE

RCP REINFORCED CONCRETE PIPE

R= RIM ELEVATION

SMH SEWER MANHOLE

UG UNDERGROUND

UP UTILITY POLE

DS DOWNSPOUT

RD ROOF DRAIN

Legend Abbreviations General

Utility

SEWER

STORM

CHAIN LINK FENCE

UNKNOWN UTILITY

CATCH BASIN

CLEANOUT

STORM

STORMWATER QUALITY UNIT

SITE ITEM TO BE REMOVED

EXISTING LANDSCAPE AREA TO

BE RESTORED

EXISTING ASPHALT SIDEWALK

TO BE REMOVED AND RESTORED

EXISTING LANDSCAPE AREA TO

BE REMOVED

EXISTING CONCRETE AREA TO

BE REMOVED AND REPLACED

EXISTING PAVERS TO BE

REMOVED AND REPLACED

EDGE OF PAVEMENT

CONCRETE CURB

UTILITY LINE TO BE ABANDONED

FENCE, UTILITY TO BE REMOVED

ASPHALT BLOCK PAVERS

INSTALLATION AREA

ASPHALT PAVEMENT

INSTALLATION AREA

PEA GRAVEL INSTALLATION AREA

CONCRETE INSTALLATION AREA

LIMIT OF PAVERS REMOVAL AND

INSTALLATION

CONSTRUCTION FENCE

SILT SOCK

SILTSACK

UNKNOWN UTILITY

PLUG OR CAP

EXISTING NEWER PAVERS TO

BE REMOVED AND SALVAGED

SAND AND STONE

DATE:

DESIGNED:

TECH. REVIEW:

SUB SHEET NO. TITLE OF SHEET

HANGARS 3 & 4 REHABILITATION12/19/2025

YL/MC

YL

TV

DRAWING NO.

190066

PMIS/PKG NO.

GATE 308504

SHEET

OF154

vh b.

co m gb l\ pr oj N ew Yo rk C ity 9.

G

AT

E_

H

AN

GA

RS

3_

4\ ca d\ ld Pl an se t

C1.0

LEGEND AND GENERAL

NOTES

9 153

DRN

DRN

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W

W W

W W

W W

W W

W W

W W

W W

W

W W W W W W W W W W W

E E

E E

E E

E E

E E

E E

E

E E E E E E E E E E E

EXISTING BOUNDARY OF

SAND AND STONE (TYP)

N=152958.9050' E=1013004.5640'

ELEV=14.00'

X-CUT

E E

E E

E E

E E

E E

E E

E E

E E E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

W W

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E

E E

E E

E E

E E

E E

E

E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

E E

TE

L

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

TEL

UKN

UKN

UKN

UKN

UKN

UKN

W W

W W

W W

W W

W

W W

W W

W W

W W

W W

WUKN

UKN

UKN

UKN

UKN

UKN

UKN

UKN

DRNDRNDRN

DRN

DRN

DRN

DRN

E E

E E

E E

E E

E E

DRN

DRN

DRN

DRN

DRN

DRN

DRN

DRN

DRN

DRN

UKNDRN

DRN

DRN

DRN

E E

E E

E E

E

E E E E E E E E E E

E E

E E

E

E

E

E E E E E E E E E E E E E

E

G G G G

G

G G G G G G G G G G G G G G G G

G G

E E E E

E

E E E E E E E E E E E E E E E E E

E E

E E

E

E E

UKN

UKN

UKN

W W W W W W W W W W W W

W W

W W

W

W W

W W

W W W W W W W W W W W W W W W W

GGGGGGGGG

G G

G G

G G

G G

G G

G G

G G

G G

G G

G G

G G

G G

G G

G G

G

DRN

DRN

CB2051

GRATE: 13.40

W INV: 9.15 TOB

E INV: 6.92 12" STEEL

SUMP: 6.80

CB2052

GRATE: 13.11

NE INV: 6.84 12" STEEL

W INV: 6.73 15" STEEL

SUMP: 6.76

DMH2053

RIM: 13.76

WATER ELEV: 2.17

S INV: 2.28 6" VCP

SMH2054

RIM: 13.27

W INV: 4.94 6" PVC

SMH2055

RIM: 13.27

N INV: -1.36 20" VCP

E INV: -1.28 15" PVC

DMH2056

RIM: 13.52

E INV: 5.97 27" RCP

W INV: 6.08 27" RCP

DMH2057

RIM: 13.46

E INV: 6.16' (24" RCP)

SUMP: 5.66'

DMH2058

RIM: 13.14

WATER ELEV: 7.83

N INV: 5.32' (15" RCP)

W INV: 5.83' (18" RCP)

E INV: 5.49 (RECESSED)

SMH2059

RIM: 13.59

N INV: -0.29 18" VCP

S INV: -0.12 21" VCP

E INV: 4.70 10" VCP

W INV: 4.81 8" VCP

DMH2060

RIM: 12.96

DMH2061

RIM: 12.92

WATER ELEV: 7.79

E INV: 6.33 30" RCP

W INV: NPV

DMH2062

RIM: 13.34

WATER ELEV: 7.75

S INV: 7.49 24" RCP

W INV: 7.45 24" RCP

SMH2063

RIM: 13.53

N INV: 0.68 15" VCP

S INV: 0.83 18" VCP

W INV: 3.79 8" VCP

DMH2064

RIM: 13.36

WATER ELEV: 7.77

N INV: 7.62 24" RCP

S INV: 6.88 24" RCP

W INV: 7.19 8" HDPE

DMH2065

RIM: 13.46

E INV: 9.65 12" RCP

S INV: 9.60 12" RCP

SMH2066

RIM: 13.38

W INV: 7.03 10" VCP

N INV: 7.16 10" VCP

DMH2067

RIM: 13.35

INACCESSIBLE

EMH2069

RIM: 13.59

EMH2070

RIM: 13.30

EMH2071

RIM: 13.59

EMH2073

RIM: 14.63

SMH2083

RIM: 13.55

N INV: 7.25 8" VCP

E INV: 7.18 8" VCP

MH2084

RIM: 14.47

WMH2095

RIM: 13.61

12"

21"

21"

18"

20"

23"

17"

23"

15"

10"

11" TWIN

17"

16"

22" TRIPLE

12"

25" TWIN

7"6"

19" TWIN

17" TWIN 14" TWIN

15" TWIN

30"

27"

22"

11"

16" TWIN

23"

CB2136

GRATE: 12.67

NPV

DEBRIS: 10.14

CB2137

GRATE: 12.78

WATER ELEV: 7.79

E INV: 6.74 24" RCP

W INV: 6.97 30" RCP

CB2138

GRATE: 13.47

N INV: 5.24 21" RCP

S INV: 5.35 21" RCP

NE INV: 6.21 12" VCP

W INV: 6.07 12" VCP

CB2139

GRATE: 12.75

E INV: 7.32 27" RCP

W INV: 7.41 12" RCP

CB2140

GRATE: 12.84

NE INV: 7.53' (18")

S INV: 8.48' (8" CAST IRON)

SW INV: 7.76' (CHANNEL - NPV)

CB2141

GRATE: 12.71

N INV: 9.82 8" DIP

S INV: 8.07 8" DIP

W INV: 7.32 12" VCP

SE INV: 7.35 8" VCP

CB2142

GRATE: 13.52

N INV: 3.06 18" VCP

S INV: 2.74 15" RCP

GMH2147

RIM: 14.37

Fla tb us h

Av en ue So ut hb ou nd Fla tb us h Av en ue

No rth bo un d

BC

.66

TC

.05

TC

.68

BC

.57

BC

.63

TC

.75

TC

.84

BC

.44

BC

.41

TC

.59

TC

.59

BC

.38

BC

.46

TC

.56

TC

.25

BC

.45

BC

.18

TC

.31

TC

.37

BC

.13

BC

.02

TC

.16

BC

.98

TC

.22

TC

.28

BC

.89

BC

.49

TC

.64

TC

.12

BC

.00

BC

.68

TC

.00

CONCRETE

CONCRETE

CONCRETE

CONCRETECONC.

CONCRETECONCRETECONCRETE

CONCRETE CONCRETE

ORIGINAL PAVERS

PAVERS

NEW PAVERS

PAVERS

PAVERS

ASPHALT

PA

VE

RS

CONCRETE

CONCRETE

ASPHALT

AS

PH

AL

T

AS

PH

AL

T

CONCRETECONCRETE

GMH2148

RIM: 14.60

GMH2149

RIM: 14.37

DRN DRN DRN

" R

CP8" HDPE

" R

CP

24" RCP

10"VCP

8"VCP

30" RCP30" RCP27" RCP12" RCP

" R

CP

" V

CP

" R

CP

" R

CP

8"

DI

P 8"

DI

P

8"

VC

P

"V

CP

" V

CP

" V

CP

30" DI G (B)

30" DI G (B)

30" DI G (B) 30" DI G (B)

" D

I G (B

4" PVC G (B)

15" PVC

6" PVC

6" PVC

6"

PV

C

6" V

CP

"V

CP

8"VCP

AS

PH

AL

T

AS

PH

AL

T

AS

PH

AL

T

AS

PH

AL

T

AS

PH

AL

T

CONCRETE

CONCRETE

CONCRETE

CONCRETE

NE

W

PA

VE

RS

HANGARS 3 & 4

48,553.86 GSF

FFE = 13.73'

HANGARS 1 & 2

BLOCK 8591 LOT 75

#5031 FLATBUSH AVENUE

12" VCP

SEWER LIFT

STATION

HATCHES

" V

CP

CO

NC

RE

TE

CO

NC

RE

TE

8" VCP

CONCRETE

BUILDING

12" M

ETAL

15" METAL

12" METAL

N=153045.5220' E=1013449.2400'

ELEV=13.37'

X-CUT

N=153239.5140' E=1013278.7450'

ELEV=13.72'

X-CUT

N=153052.9360' E=1013036.0290'

ELEV=12.89'

X-CUT

N=152843.2820' E=1013200.1460'

ELEV=13.02'

X-CUT5

N=152791.1240' E=1013147.8980'

ELEV=13.96'

X-CUT

CONC. CURB

CONC. CURB

CO

NC

. C

UR

B

GA

TE

GA

TEVAULT

E.P.CONC. CURB

E.P.

METAL

COVER

METAL

COVER

E.P

E.P

GRATE

(TYP.)

GRATE

A.D.A.

PAD

E.P

CO

NC

. W

AL

L

CO

NC

. W

AL

L

CONC. WALK

GRASS

GRASS

ASPHALT

ASPHALT

GRASS

ASPHALT

ASPHALT

CONC. WALK

CONC.

CONC.

13.87' 13.63' 13.36' 13.11' 12.84'

12.68'

12.69'

12.69'13.01'

12.96'

12.98'13.29'

13.24'

13.28'13.58'

13.61'

13.60'

13.93'

13.85'

13.89'

13.95'

13.79'

14.37'

14.54'

14.75'

14.91' 14.84'

TC12.97'TC13.33'TC13.56'

TC13.84'

TC12.69'

TC13.04'TC13.34'TC13.59'TC13.84'

TC13.90'

BC13.32'

BC13.16' BC12.99' BC12.65' BC12.35'

BC12.59'BC12.88'BC13.11'BC13.49'

BC13.59'

14.62'

14.50'

BW 14.34'

BW 14.34'

BW 14.16'

BW 13.94'

BW 13.97'

COMMS MH TC14.25'

TC14.88'

BC13.80'

BC14.30'

BC13.94'

BC13.93'

TC13.98'

TC14.02'

R=13.05' (FILLED WITH DEBRIS)

SUMP: 10.75'

DRN

DRN

DRN

CO

NC

. C

UR

B

CO

NC

. C

UR

B

SHIPPING

CONTAINER

R=13.68'

BOLTED SHUT

CONSTRUCTION

FENCE

R=13.15'

W INV: 7.17' (6" PVC)

E INV: 7.20' (6" PVC)

R=13.21'

W INV: 8.15' (6" PVC)

S INV: 8.25' (6" PVC)

EQUIPMENT ON CONC.

PAD

CONSTRUCTION

FENCE

CONSTRUCTION

FENCE

DRN DRN DRN12" VCP

12 12

151515 15

13 1314

1414 1414 1414 14141414 14 1416 16

1313 13 1314 141414 141414 14

12 12

15 15 1313 13 13 13 13

14 14 14 14 1414141414 14141414 1414 14 14 14

14141414

14 14

13.5 13 .014

.0

13.0

12 1213 131415 15 14141414 141414 141414 1414 16 1616 16

DATE:

DESIGNED:

TECH. REVIEW:

SUB SHEET NO. TITLE OF SHEET

HANGARS 3 & 4 REHABILITATION12/19/2025

YL/MC

YL

TV

DRAWING NO.

190066

PMIS/PKG NO.

GATE 308504

SHEET

OF154

vh b.

co m gb l\ pr oj N ew Yo rk C ity 9.

G

AT

E_

H

AN

GA

RS

3_

4\ ca d\ ld Pl an se t

SCALE AC-2.0

1 GATE - HANGARS 3 & 4 EXISTING CONDITION

C2.0

GENERAL NOTES

EXISTING CONDITION

TITLE OF SHEET

HANGARS 3 & 4 REHABILITATION

LEGEND

1. THE EXISTING CONDITIONS SHOWN ON THIS PLAN ARE BASED

UPON AN ACTUAL FIELD SURVEY PERFORMED BY VHB, INC. IN

MAY, 2024, AND SUPPLEMENTED WITH INFORMATION SHOWN

ON AS-BUILT FOR HANGARS 1 & 2, TITLED RENOVATIONS TO

HANGARS 1 & 2, VOLUME 1, PREPARED BY BL COMPANIES, DATED

DECEMBER 17, 2015.ADDITIONAL SUPPLEMENTAL SURVEY WAS

PERFORMED ON JULY 29, 2025 AND AUGUST 1, 2025.

2. THE LOCATIONS OF UNDERGROUND UTILITIES SHOWN ON THIS

PLAN WERE MAPPED PER AMERICAN SOCIETY OF CIVIL

ENGINEERS…