(N) Drawings B434 Roof.pdf

PDF 5 MB Posted Nov 2, 2026

Attached to: Building 434 Roof Repair
Solicitation number: N40085-26-RFPRFQ-NEW-LONDON-ROICC-0049
Issued by: Department of the Navy Naval Facilities Engineering Command

About this file

Written by GovTribe AI · Nov 2, 2026

This document is a set of architectural drawings for Building 434 Roof Replacement at Naval Station New London in Groton, Connecticut, issued for construction on June 25, 2026. The project is identified by eProject No. 1741871 and Task Order No. N40085-26-F-0572, overseen by Naval Facilities Engineering Command (NAVFAC).

The drawings specify a complete roof replacement project incorporating EPDM (ethylene propylene diene monomer) roofing system installation with R-39 minimum insulation at the lowest point and tapered insulation above to achieve slopes of 1/4" to 1/2" per foot. Key work elements include removal and reinstallation of existing equipment (exhaust fan, roof hatch, solar panel, and lightning protection system), replacement of all roof drains with extended-height drains where noted, removal and replacement of sealant at precast concrete joints on 15-foot centers, and installation of metal roof edge coping and parapet details. The project encompasses demolition of the existing low-slope roofing system, including removal of roofing membrane, cover board, coping, and insulation, with provisions for identifying and salvaging materials for owner reuse. Hazardous materials abatement (including lead, PCBs, and asbestos) is required prior to demolition, conducted by a licensed hazmat contractor. The work also includes roof penetration flashing details, curb extensions for equipment and hatch openings, and roof anchor installation for fall protection. Wind loading design pressures are specified per ASCE 7 standards with components and cladding surface pressures provided for different effective areas and climate zone 5A requirements per IECC 2021/ASHRAE 90.1 2019 envelope standards.

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File	Type	Posted
(A) RFP.pdf	PDF	Nov 2, 2026
(C) CT Wage Determination.pdf	PDF	Nov 2, 2026
(B) B434 SOW_Specs.pdf	PDF	Nov 2, 2026
(J) RFI Form.pdf	PDF	Nov 2, 2026
(D) ECMS.pdf	PDF	Nov 2, 2026
(I) General Requirements.pdf	PDF	Nov 2, 2026
(H) Map to B135.pdf	PDF	Nov 2, 2026
(K) Price Proposal Form.docx	DOCX document	Nov 2, 2026
(M) NEPA.pdf	PDF	Nov 2, 2026
(E) CERT-141.pdf	PDF	Nov 2, 2026
(L) 52.204-24.pdf	PDF	Nov 2, 2026
(F) Guide to Taxes.pdf	PDF	Nov 2, 2026

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Signature Date

QUALITY CONTROL REVIEW

DETAIL IS REFERENCED

SECTION IS REFERENCED

ELEVATION IS REFERENCED

SHEET NUMBER WHERE

DETAIL LETTER OR NUMBER

REFERENCES

ADDITIONAL SHEET

C-102

SHEET NUMBER WHERE

REFERENCES

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OF CUTTING PLANE

ELEVATION LETTER OR NUMBER

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LIST OF DRAWINGS

SHEET SHEET NO. NAVFAC Drawing Number DRAWING TITLE

1 G-001 12949375 COVER SHEET

2 G-101 12949376 B.434 SITE ACCESS AND LAYDOWN PLAN

3 A-001 12949377 GENERAL NOTES, ABBREVIATIONS, AND LEGEND

4 AD101 12949378 B.434 DEMOLITION ROOF PLAN

5 A-101 12949379 B.434 ROOF PLAN

6 A-501 12949380 ROOF DETAILS

7 A-502 12949381 ROOF DETAILS

8 A-503 12949382 ROOF DETAILS AND SECTIONS

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NOTES:

1. THE ANTICIPATED AVAILABLE CONTRACTOR PARKING AND

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CONFIRMED AT THE PRE-CONSTRUCTION MEETING.

2. NOTE LAYDOWN AREA IS AN ACCEPTABLE LOCATION FOR

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TYPICAL ABBREVIATIONS

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# NUMBER

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ABAAS ARCHITECTURAL BARRIERS ACT ACCESSIBILITY STANDARD

ALUM ALUMINUM

ACT ACOUSTICAL CEILING TILE

A.F.F ABOVE FINISHED FLOOR

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CLG CEILING

CLO CLOSET

CLR CLEAR

CMU CONCRETE MASONRY UNIT

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COR CONTRACT OWNER'S REPRESENTATIVE

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DEMO DEMOLITION

DIA DIAMETER

DWG DRAWING

EA EACH

EL ELEVATION

ELEC ELECTRICAL

EQ EQUAL

EWP EXTERIOR WALL PANEL

EXST EXISTING

FD FLOOR DRAIN

FE FIRE EXTINGUISHER

FLR FLOOR

FR FIRE RATED

FSS FOLDING SHOWER SEAT

FTR FIN TUBE RADIATOR

GB GRAB BAR

G.C. GENERAL CONTRACTOR

GYP BD GYPSUM BOARD

HD HAND DRYER

HGT HEIGHT

HR. HOUR

HM HOLLOW METAL

I.G. INSULATED GLASS

IMLP INTERIOR METAL LINER PANEL

INSUL INSULATION

IT INFORMATION TECHNOLOGY

MEP MECHANICAL, ELECTRICAL, PLUMBING

MFR MANUFACTURER

MG MIRROR, GLASS

MIN MINIMUM

MISC MISCELLANEOUS

MTL METAL

N.I.C. NOT IN CONTRACT

O.C. ON CENTER

OPP OPPOSITE

PC PIECE

PD PAPER TOWEL DISPENSER

PEX PAINTED EXPOSED SURFACE

PLWD PLYWOOD

P.T. PRESSURE TREATED

PTD PAINTED

RB RUBBER BASE

RMT RUBBER MOLDED TILE

R.O. ROUGH OPENING

SC SHOWER CURTAIN

SCR SHOWER CURTAIN RODS

SFRM SPRAYED ON FIRE RESISTIVE MATERIAL

SMHD SHELF, METAL, HEAVY DUTY

SND SANITARY NAPKIN DISPENSER

S.S. STAINLESS STEEL

STL STEEL

T.O. TOP OF

TP TOWEL PIN

TTD TOILET TISSUE DISPENSER

TSCTDWR TOILET SEAT COVER/TISSUE DISPENSER/WASTE RECEPTACLE

TYP TYPICAL

UNO UNLESS NOTED OTHERWISE

V.I.F. VERIFY IN FIELD

WD WOOD

PLAN GRAPHIC LEGEND

DETAIL PLAN

WALL SECTION

INTERIOR ELEVATION

PHOTOGRAPH

WALL TYPE

DOOR TAG

WINDOW TAG

DEMO KEYED NOTES

KEYED NOTES

MOTION DETECTOR, SEE ELECTRICAL

SMOKE DETECTOR, SEE FIRE ALARM SHEET

DIMENSION LINE

ROOM DESIGNATION\

ROOM NUMBER

NORTH ARROW

OPTIONAL BID ITEM ID

GENERAL NOTES:X'-X"X

PLAN

NORTH

OFFICE

FIELD VERIFY DIMENSIONS AND CONDITIONS. PROMPTLY NOTIFY THE CONTRACTING OFFICER OF ANY INCONSISTENCIES OR OTHER PROBLEMS IN WRITING IMMEDIATELY UPON DISCOVERY, AND BEFORE PROCEEDING WITH THE WORK.

2. DO NOT OBSTRUCT EXIT ACCESS, EXIT DOORS, AND MAINTAIN ALL LIFE SAFETY SYSTEMS IN THEIR CURRENT STATE DURING CONSTRUCTION EXCEPT WHERE SPECIFICALLY NOTED IN FIRE PROTECTION DRAWINGS. EXISTING FIRE EXTINGUISHER

LOCATIONS TO REMAIN, UNLESS CLEARLY INDICATED OTHERWISE.

3. PRIOR TO COMMENCEMENT OF DEMOLITION WORK, CONTRACTOR TO REVIEW MATERIALS INDICATED ON DEMOLITION DRAWINGS FOR REMOVAL WITH COR TO IDENTIFY ITEMS TO BE TURNED OVER TO THE OWNER FOR THE COR'S FUTURE USE.

CAREFULLY REMOVE AND DELIVER MATERIALS IDENTIFIED IN THE FIELD BY THE OWNER TO BE SALVAGED TO THE OWNER AT A

LOCATION DIRECTED BY THE OWNER.

4. CONTRACTOR MUST USE MARKINGS AND SIGNAGE IN ACCORDANCE WITH NAVFAC SAFETY DEPARTMENT TO CONTROL MEANS OF EGRESS AND INGRESS INTO DEMOLITION AREA. THIS INCLUDES, BUT IS NOT LIMITED TO, RED "DANGER" TAPE AND

AUTHORIZED PERSONNEL ACCESS SIGNAGE. COORDINATE WITH THE COR.

5. CONTRACTOR IS ADVISED THAT THE BUILDING COMPONENTS CONTAIN HAZARDOUS MATERIAL INCLUDING BUT NOT LIMITED TO LEAD, PCB'S, AND ASBESTOS. CONTRACTOR MUST MITIGATE AS NECESSARY PRIOR TO DEMOLITION AND DISPOSE OF HAZARDOUS MATERIALS AS REQUIRED BY NAVFAC ENVIRONMENTAL AND BY LAW. HAZARDOUS MATERIAL MUST BE PROPERLY ABATED AND DISPOSED OF BY A LICENSED HAZMAT CONTRACTOR. COMPONENTS COATED WITH HEAVY METALS CONTAINING COATINGS SUCH AS LEAD MUST BE HANDLED AND DISPOSED OF AS REQUIRED BY NAVFAC ENVIRONMENTAL AND BY LAW. SEE

HAZARDOUS MATERIALS SURVEY FOR ADDITIONAL INFORMATION ON REQUIRED ABATEMENT.

NOTES:

1. COMPONENTS AND CLADDING SURFACE PRESSURES ARE SERVICE LEVEL

LOADS. ALTERNATIVELY, MEMBERS MAY BE DESIGNED FOR ACTUAL WIND

AREA OF THE MEMBERS PER ASCE 7. SEE ZONE KEY PLAN FOR EXTENTS.

COMPONENTS AND CLADDING WIND LOADING

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AREA (ft²) +/- PRESSURE

DESIGN PRESSURE (lb/ft²)

ROOF

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1. SEE A-001 FOR ARCHITECTURAL LEGEND, ARCHITECTURAL NOTES AND

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2. REMOVE AND REINSTALL ALL UTILITIES AND HARDWARE NECESSARY TO

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3. TEMPORARILY DISCONNECT AND RETAIN LIGHTNING PROTECTION

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4. REMOVE, DISPOSE OF, AND REPLACE ALL ROOF DRAINS.

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REMOVE AND RETAIN EXISTING EXHAUST FAN UNIT ON RAISED CURB.

REMOVE AND RETAIN EXISTING ROOF HATCH ON RAISED CURB.

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REMOVE TERMINATION BAR, VERTICAL METAL PANELS

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APPROVED BY WILLIAM DAME VIA EMAIL

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

EPROJECT NO.:

1 2 3 4 5

O F

Y N

G C

O M

L S

, C T

N, C

DRAWFORM REVISION: 14 SEP 2023

SCALE:

N A

V A

S E

N G

E R

S Y

M S

C O

M M

A N

-A

A N

SATISFACTORY TO DATE 06/24/2026

F O

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O N

U C

N 6/

1. SEE A-001 FOR ARCHITECTURAL LEGEND, ARCHITECTURAL NOTES AND

ABBREVIATIONS.

2. REMOVE AND REINSTALL ALL UTILITIES AND HARDWARE NECESSARY TO

ACCOMPLISH WORK, UNLESS OTHERWISE NOTED.

3. TYPICAL DETAILS ARE NOT CALLED OUT AT EVERY LOCATION THEY OCCUR.

4. REPLACE ALL EXISTING ROOF DRAIN ASSEMBLIES. REPLACE EXISTING ROOF

LEADERS AS NECESSARY (UP TO TWO FEET, OR TO THE NEAREST JOINT OR

ELBOW) TO ENSURE A STRUCTURALLY SOUND AND WATERTIGHT CONNECTION

TO THE ROOF ASSEMBLY AND EXISTING DRAIN SYSTEM.

5. AT ROOF DRAIN REMOVALS, REPAIR ROUGHLY-CUT OPENINGS IN THE ROOF

DECK AS REQUIRED FOR INSTALLATION OF NEW ROOF DRAINS.

6. ROOF SLOPE TO BE 1/4" PER FOOT, WITH 1/2" PER FOOT SLOPE AT CRICKETS.

GENERAL NOTES

GRAPHIC SCALE(S)

PLAN

NORTH

0' 1/8"=1'-0"

4' 8' 16'SCALE:A1 B.434 ROOF PLAN

3/32" = 1'-0"

KEYNOTES

INSTALL EPDM ROOFING SYSTEM PER DETAIL C4/A-105 ROOF SYSTEM R1, AND

PER SPECIFICATIONS

REINSTALL EXISTING EXHAUST FAN UNIT ON RAISED CURB, SEE A3/A-502

REINSTALL EXISTING ROOF HATCH ON RAISED CURB, SEE B3/A-502

EXISTING VENT THROUGH ROOF, SEE A1/A-501

INSTALL METAL ROOF EDGE COPING

REPLACE SEALANT AT PRECAST CONCRETE JOINTS PER DETAIL B2/A-501, 15'-0"

OC +/-, ENTIRE PERIMETER OF HIGH ROOFS

REPLACE ROOF DRAINS, SEE C1/A-501

REPLACE ROOF DRAIN WITH EXTENDED-HEIGHT ROOF DRAIN, SEE C1/A-501

ROOFED-OVER AREA OF ROOF HATCH OPENING, SEE DETAIL D2/A-502

REINSTALL EXISTING LIGHTNING PROTECTION EQUIPMENT IN CURRENT

LOCATIONS, PROVIDE MISSING TERMINALS IN PLACES THEY ARE CURRENTLY

MISSING (APPROXIMATELY 6 TERMINALS VIF ). SEE DETAIL A4/A-502

REINSTALL EXISTING SOLAR PANEL

ROOF ANCHOR, SEE DETAIL B4/A-502

SCALE:B1 ELEVATION AT LOW ROOF

N.T.S.

SCALE:B4 ENLARGED PLAN - BULKHEAD, TYP.

1/4"=1'-0"

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10" ±

B2 A-501

PREFINISHED METAL

ROOF EDGE, MATCH

EXST COLOR

CONTINUOUS METAL

CLEAT

PT 2X WOOD BLOCKING

PRECAST CONCRETE

PARAPET

CONTINUOUS LAP

SEALANT

EPDM FLASHING STRIP CONTINUOUS LAP SEALANT

CONTINUOUS BASE SHEET

TAPERED RIGID INSULATION, SEE

ROOF SYSTEM DETAIL C4/A-501

COVERBOARD

EPDM ROOFING MEMBRANE

CONTINUOUS LAP SEALANT

EPDM FLASHING STRIP, FLASHED INTO

EPDM ROOFING MEMBRANE

CONTINUOUS LAP SEALANT

EPDM FLASHING, WRAP UP AND OVER

PARAPET AS SHOWN

1/4" MIN

12"

GALVANIZED CONCRETE SCREWS, MAX

24" O.C., MIN 6" FROM BOARD ENDS

CONTINUOUS LAP SEALANT

NOTES:

1. WHEN USING 10' WIDE EPDM FIELD SHEETS, 5' WIDE PERIMETER SHEETS

ARE UTILIZED. WHEN USING 81" WIDE EPDM FIELD SHEETS, 40.5" WIDE

PERIMETER SHEETS ARE USED.

2. REFER TO SPECIFICATIONS FOR REQUIRED NUMBER OF PERIMETER

SHEETS, SHEET WIDTH AND MEMBRANE FASTENING DENSITY.

3. END LAPS MUST BE OVERLAPPED 6" MINIMUM.

4. REMOVE FINISHING OILS, SCRUB WITH WEATHERED MEMBRANE

CLEANER; ALLOW TO DRY PRIOR TO APPLYING EPDM PRIMER.

NOTE: MECHANICAL FASTENING

IS NOT ALLOWED.

EPDM SPLICE ADHESIVE

3/4"±

CONTINUOUS

SEALANT

BACKER ROD

EXISTING PRECAST

CONCRETE

NOTES:

1. COMPLETELY REMOVE

EXISTING SEALANT

2. NOTE: REMOVE ALL

EXISTING SEALANT

FROM JOINTS

3. PERFORM WORK PRIOR

TO INSTALLATION OF

PARAPET

COPING/FLASHING

EXISTING ROOF STRUCTURE

ROOF DRAIN

EPDM ROOFING

MEMBRANE, RUN INTO

DRAIN BOWL

ROOF BOARD SHEATHING

ROOF INSULATION

METAL ROOF DECK

2x PT WOOD BLOCKING, ATTACH TO DECK WITH

GALVANIZED CONCRETE

SCREWS

1/4" MIN

12"

EXTENDED-HEIGHT ROOF

DRAIN WHERE NOTED

10"±

PT 2X WOOD BLOCKING

PR-EFINISHED METAL ROOF EDGE,

MATCH EXST COLOR

CONTINUOUS METAL CLEAT

EPDM FLASHING STRIP

CONTINUOUS LAP SEALANT

CONTINUOUS BASE SHEETEXISTING PRECAST CONCRETE

PARAPET

TAPERED RIGID INSULATION, ROOF

SYSTEM R1

CONTINUOUS METAL CLEAT

EPDM ROOFING MEMBRANE, WRAP

OVER PARAPET AS SHOWN

CONTINUOUS LAP SEALANT1/4" MIN

12"

GALVANIZED CONCRETE SCREWS, MAX

24" O.C., MIN 6" FROM BOARD ENDS

CONTINUOUS COVERBOARD

EPDM ROOFING MEMBRANE -

FULLY ADHERED

COVER BOARD

CONTINUOUS BASE SHEET,

ATTACHMENT AS SPECIFIED:

1. CONCRETE DECK - ADHESIVE.

2. LIGHTWEIGHT CONCRETE DECK -

FASTENERS WITH EXPANDING

LEGS AND METAL STRESS PLATE,

18" ON CENTER IN FIELDS, 9"

ON-CENTER AT SEAMS.

EXISTING ROOF DECK:

STANDARD CONCRETE AT

MIDDLE CONNECTOR ROOF,

LIGHTWEIGHT CONCRETE AT

HIGH ROOFS

R-39 MIN. ROOFING

INSULATION

AT LOWEST POINT.

TAPERED

INSULATION ABOVE.

" M

EPDM ROOFING MEMBRANE

CONTINUOUS BASE SHEET

EPDM FLASHING STRIP

CONTINUOUS LAP SEALANT

EPDM ROOFING MEMBRANE

3/4" PT PLYWOOD SHEATHING

CONTINUOUS METAL CLEAT

PREFINISHED METAL FLASHING

CONTINUOUS SEALANT

CONTINUOUS REGLET

SAWCUT 1-1/4" DEEP

EXST BRICK MASONRY WALL

TAPERED ROOF INSULATION,

SEE ROOF SYSTEM DETAIL

D1/A-501

MIN BEARING,

ALL SIDES

3'-0"± 3"

1/2" PVC BOARD

ROOF SYSTEM, SEE ROOF

SYSTEM DETAIL C4/A-501

EXISTING ROOF DECK

PAINT NEW EXPOSED

SURFACES TO MATCH

EXISTING

EXISTING STRUCTURE

3/4" PT PLYWOOD. PAINT

UNDERSIDE TO MATCH

EXISTING ADJACENT

1X4 WOOD TRIM, PERIMETER

OF OPENING

CONTINUOUS

BASE SHEET

3" MIN, 1/4" DIAMETER

SELF-TAPPING CONCRETE

SCREWS @ 12" O.C. (1-1/2" EMBED)

3/4"-8"

NOTES:

1. REMOVE ALL EXISTING FLASHING MATERIAL BEFORE INSTALLING PRE-MOLDED PIPE FLASHING.

2. PIPE SEAL MUST HAVE INTACT RIB AT TOP EDGE, REGARDLESS OF PIPE DIAMETER.

3. INSTALL A MINIMUM OF 4 FASTENERS AND PLATES AROUND THE PIPE, EQUALLY SPACED. IF FASTENERS AND PLATES CANNOT BE INSTALLED AS SHOWN, THEY MAY ALSO BE POSITIONED OUTSIDE THE PIPE MAXIMUM 12" O.C. AND FLASHED WITH REINFORCED

MEMBRANE/CUT-EDGE SEALANT.

4. FASTENERS AND PLATES ARE NOT REQUIRED ON ADHERED SYSTEMS UNLESS PIPE DIAMETER EXCEEDS 18".

SEE NOTE 2

SS CLAMPING RING

WATER CUT-OFF

MASTIC

PRE-MOLDED PIPE

FLASHING

ADHERE, 6" MIN BEYOND

FASTENING PLATES

FASTENER & SEAM

FASTENING PLATE, MAX 12"

OC SEE NOTES 3 AND 4

HOT VENT

SEALANT

RAIN HOOD

SS CLAMPING RING

METAL COLLAR

STAINLESS STEEL

CLAMPING RING

PROTECTIVE STRIP OF

EPDM

EPDM FLASHING STRIP

LAP SEALANT

FASTENER

COLD VENT

DES DRW CHK

PM/DM

CHIEF ENG/ARCH

1741871

B U

R O

O F

R E

C E

M E

N T

BRANCH MANAGER

FIRE PROTECTION

N40085-X-XXXX

K D

KWA

SED

8/1 3/2

6 1

0:5 2:5

3 A M

\29

7 P

L S

7.3

.00 1 -

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. 4

S\ B.

4\A

-5

.D W

APPROVED BY WILLIAM DAME VIA EMAIL

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

EPROJECT NO.:

1 2 3 4 5

O F

Y N

G C

O M

L S

, C T

N, C

DRAWFORM REVISION: 14 SEP 2023

SCALE:

N A

V A

S E

N G

E R

S Y

M S

C O

M M

A N

-A

A N

SATISFACTORY TO DATE 06/24/2026

F O

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O N

U C

N 6/

1-1/2"=1'-0" 0 6" 1' 1'-6"

IECC 2021 /ASHRAE 90.1 2019 ENVELOPE REQUIREMENTS

TABLE C402.1.3 & C402.4 OPAQUE THERMAL ENVELOPE INSULATION

COMPONENT MINIMUM REQUIREMENTS, R-VALUE METHOD &

U-VALUE METHOD

ENVELOPE

PROVIDED

CLIMATE ZONE 5A

30% ABOVE

MINIMUM

PER UFC

REQ

R-VALUE

MINIMUM U-VALUE MINIMUM R-VALUE U-VALUE

ROOF

CLASSIFICATION - INSULATION ENTIRELY ABOVE ROOF DECK R-30 CI U-0.032 R-39 CI U-0.022

3"=1'-0"

3" 6" 9"

SCALE:A2 DETAIL - MEMBRANE SPLICE & SECUREMENT

1-1/2" = 1'-0" SCALE:A4 PARAPET DETAIL AT HIGH ROOF

3" = 1'-0"

SCALE:B2 SEALANT AT PRECAST CONCRETE JOINTS

3" = 1'-0"

SCALE:C1 DETAIL - ROOF DRAIN

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

SCALE:C4 PARAPET DETAIL AT LOW ROOF

3" = 1'-0"

SCALE:D1 DETAIL - ROOF SYSTEM

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

SCALE:C2 MASONRY WALL DETAIL AT LOW ROOF

3" = 1'-0"

SCALE:D2 ROOF HATCH OPENING COVER DETAIL

1" = 1'-0"

0' 1"=1'-0"

1/2' 1' 2'

SCALE:A1 DETAIL - TYP. EPDM ROOF PENETRATION

3" = 1'-0"

A-501

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No. 1416 O.A5

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APPROVED BY WILLIAM DAME

VIA EMAIL

PT 2X WOOD

BLOCKING

PR-EFINISHED METAL

ROOF EDGE, MATCH

EXST COLOR

CONTINUOUS

METAL CLEAT

EPDM FLASHING STRIP

CONTINUOUS LAP SEALANT

CONTINUOUS BASE

SHEET

EXISTING PRECAST

CONCRETE PARAPET

CONTINUOUS COVERBOARD

TAPERED RIGID

INSULATION, ROOF

SYSTEM R1CONTINUOUS

METAL CLEAT

EPDM ROOFING MEMBRANE

12" 1/4"

10"±

PY 2X @ 16" O.C.

2X PT WOOD CURB EXTENSION, NAIL TO

EXISTING CURB

EPDM FLASHING MEMBRANE,

WRAP UP AND OVER CURB

CONTINUOUS LAP SEALANT

EPDM FLASHING STRIP

CONTINUOUS LAP SEALANT

EPDM ROOFING MEMBRANE

EXISTING EQUIPMENT TO BE REMOVED AND

REINSTALLED ON RAISED CURB

TAPERED ROOF INSULATION,

ROOF SYSTEM R-1

EXISTING ROOF DECK

" M

EXISTING ROOF CURB

CONTINUOUS BASE SHEET

CONTINUOUS LAP SEALANT

" M

CONTINUOUS LAP SEALANT

EPDM ROOFING MEMBRANE

EPDM FLASHING MEMBRANE,

WRAP UP AND OVER CURBROOF CURB

EXTENSION,

SIMILAR TO

EXISTING

THICKNESS EPDM FLASHING STRIP

EXISTING ROOF HATCH TO BE

REINSTALLED

PLYWOOD INFILL, PAINT

EXISTING ROOF CURB

EXISTING ROOF DECK

TAPERED ROOF INSULATION,

ROOF SYSTEM R-1

CONTINUOUS BASE SHEET

EXISTING ROOF DECK

METAL FLASHING

2X PT WOOD CURB EXTENSION,

NAIL TO EXISTING CURB

CONTINUOUS LAP SEALANT

EPDM ROOFING MEMBRANE

EPDM FLASHING MEMBRANE

3/4" PLYWOOD SHEATHING

EPDM FLASHING STRIP

TAPERED ROOF INSULATION,

ROOF SYSTEM R-1

EXISTING ROOF DECK

METAL COUNTERFLASHING, WHITE, BEHIND

EXISTING VERTICAL FLASHING

EXISTING STANDING SEAM METAL ROOFING

EXISTING GABLE STRUCTURE

EXISTING BASE SHEET

LIGHTNING ROD ASSEMBLY,

REINSTALLED TO ORIGINAL

LOCATION. REPLACE WITH SIMILAR

ROD WHERE MISSING.

LIGHTNING ROD BASE OR CABLE

CLIP SET IN WATER CUT-OFF

MASTIC, REATTACHED WITH NEW

FASTENERS SIMILAR TO EXISTING

TYPICAL PARAPET

WELD ON HOIST RING

MIN 4" DIAMETER POST

GALVANIZED ROOF ANCHOR, 24" HIGH, 16"

X 16" BASE PLATE, 5,000 LB CAPACITY

PRE-MOLDED PIPE FLASHING, SEE A501

ROOF SYSTEM, SEE ROOF SYSTEM DETAIL

C4/A-501

EXISTING 2 1/2 " CONCRETE ON 1 1/2"

METAL DECK (4" TOTAL THICKNESS V.I.F.)

EXISTING W12 BEAM (*V.I.F.)

(4) 1/2" DIAMETER THROUGH BOLTS WITH

WASHERS 1/2" X 2" BACKING PLATES AND

LOCK WASHERS

3/8" X 16" X 16" STEEL PLATE WITH (4) 9/16"

HOLES FOR BOLTS

3/8" X 16" X 16" STEEL PLATE WITH (4) 9/16"

HOLES FOR BOLTS

6 1/2" 6 1/2" 1 1/2"

TYP.

1 1/2"

TYP.

NOTES:

1. STEEL COMPONENTS MUST BE HOT DIPPED GALVANIZED.

2. SAFETY ANCHOR SYSTEM MUST BE CAPABLE OF SUPPORTING 5,000 LB IN ANY

DIRECTION.

3. A PRE-MANUFACTURED SAFETY ANCHOR MAY BE USED. PROVIDE PRODUCT CUTSHEET

TO THE GOVERNMENT FOR APPROVAL.

1/4" FILLET WELD ALL AROUND

1/4"

DES DRW CHK

PM/DM

CHIEF ENG/ARCH

1741871

B U

R O

O F

R E

C E

M E

N T

BRANCH MANAGER

FIRE PROTECTION

N40085-X-XXXX

K D

KWA

SED

8/1 3/2

6 1

0:5 2:5

0 A M

\29

7 P

L S

7.3

.00 1 -

0 & B

. 4

S\ B.

4\A

-5

.D W

APPROVED BY WILLIAM DAME VIA EMAIL

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

EPROJECT NO.:

1 2 3 4 5

O F

Y N

G C

O M

L S

, C T

N, C

DRAWFORM REVISION: 14 SEP 2023

SCALE:

N A

V A

S E

N G

E R

S Y

M S

C O

M M

A N

-A

A N

SATISFACTORY TO DATE 06/24/2026

F O

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O N

U C

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3"=1'-0"

3" 6" 9"

SCALE:A1 ROOF EDGE DETAIL AT LOW ROOF

3" = 1'-0" SCALE:A3 ROOF EQUIPMENT CURB EXTENSION

3" = 1'-0"

SCALE:B3 ROOF HATCH CURB EXTENSION

3" = 1'-0"

SCALE:B1 GABLE WALL DETAIL AT LOW ROOF

3" = 1'-0"

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

2' 4' 8'

SCALE:A4 DETAIL - LIGHTNING PROTECTION ATTACHMENT

6" = 1'-0"

6"=1'-0"

2"1" 4"

SCALE:B4 DETAIL - ROOF ANCHOR

1 1/2" = 1'-0"

A-502

12949381

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APPROVED BY WILLIAM DAME

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A1 A-503

C4 A-503

A3 A-503

C4 A-503

A4 A-503

PT 2X WOOD BLOCKING

PR-EFINISHED METAL ROOF EDGE,

MATCH EXST COLOR

CONTINUOUS METAL CLEAT

CONTINUOUS LAP SEALANT

EXISTING PRECAST CONCRETE

PARAPET

TAPERED RIGID

INSULATION, ROOF

SYSTEM R1

CONTINUOUS METAL CLEAT

PT 2X WOOD BLOCKING

EPDM FLASHING STRIP

EPDM ROOFING MEMBRANE

CONTINUOUS LAP SEALANT

PT 2X WOOD BLOCKING

PR-EFINISHED METAL ROOF

EDGE, MATCH EXISTING

COLOR

CONTINUOUS METAL CLEAT

CONTINUOUS LAP SEALANT

EXISTING PRECAST CONCRETE

PARAPET TAPERED RIGID

INSULATION, SEE

ROOF SYSTEM

DETAIL C4/A-501

CONTINUOUS METAL CLEAT

PT 2X WOOD BLOCKING

EPDM FLASHING STRIP

EPDM ROOFING MEMBRANE

CONTINUOUS LAP SEALANT

PT 2X WOOD BLOCKING

PR-EFINISHED METAL ROOF

EDGE, MATCH EXISTING

COLOR

CONTINUOUS METAL CLEAT

CONTINUOUS LAP SEALANT

EXISTING PRECAST CONCRETE

PARAPET

TAPERED RIGID

INSULATION, SEE

ROOF SYSTEM

DETAIL C4/A-501

CONTINUOUS METAL CLEAT

PT 2X WOOD BLOCKING

EPDM FLASHING STRIP

EPDM ROOFING MEMBRANE

CONTINUOUS LAP SEALANT

7" 7"

1/4" MIN

12"

1/4" MIN

12"

CONTINUOUS BASE SHEETCONTINUOUS BASE SHEET

CONTINUOUS BASE SHEET

EXISTING PRECAST WALL

CONTINUOUS SEALANT

TERMINATION BAR

EPDM FLASHING MEMBRANE

CONTINUOUS LAP SEALANT

EPDM FLASHING STRIP

CONTINUOUS LAP SEALANT

EPDM ROOFING MEMBRANE

TAPERED ROOF

INSULATION, SEE

ROOF SYSTEM DETAIL

C4/A-501

MASTIC

" M

CONCRETE SCREW

ATTACHMENT

CONTINUOUS

BASE SHEET

3"=1'-0"

3" 6" 9"

DES DRW CHK

PM/DM

CHIEF ENG/ARCH

1741871

B U

R O

O F

R E

C E

M E

N T

BRANCH MANAGER

FIRE PROTECTION

N40085-X-XXXX

K D

KWA

SED

8/1 3/2

6 1

0:5 2:4

6 A M

\29

7 P

L S

7.3

.00 1 -

0 & B

. 4

S\ B.

4\A

-5

.D W

APPROVED BY WILLIAM DAME VIA EMAIL

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

EPROJECT NO.:

1 2 3 4 5

O F

Y N

G C

O M

L S

, C T

N, C

DRAWFORM REVISION: 14 SEP 2023

SCALE:

N A

V A

S E

N G

E R

S Y

M S

C O

M M

A N

-A

A N

SATISFACTORY TO DATE 06/24/2026

F O

R C

O N

U C

N 6/

3/4"=1'-0"

1' 2' 3'

SCALE:C1 BULKHEAD INNER WALL SECTION

3/4" = 1'-0" SCALE:C2 BULKHEAD SIDE WALL SECTION

3/4" = 1'-0" SCALE:C3 BULKHEAD OUTER WALL SECTION

3/4" = 1'-0"

SCALE:A1 BULKHEAD INNER WALL SECTION, TYPE 1

3" = 1'-0" SCALE:A3 BULKHEAD SIDE WALL SECTION, TYPE 2

3" = 1'-0" SCALE:A4 BULKHEAD OUTER WALL SECTION, TYPE 3

3" = 1'-0"

SCALE:C4 BULKHEAD OUTER WALL SECTION TYPE 4

3/4" = 1'-0"

A-503

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File details come from the government source that posted it. Updated Nov 2, 2026.