FORSYTH TECHNICAL COMMUNITY COLLEGE NORTHWEST ROOF REPLACEMENT.pdf

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Attached to
Forsyth Tech Northwest Campus Roof Replacement
Solicitation number
97-FT-260604B
Issued by
Forsyth County, Lasker Town, North Carolina

About this file

This document is a set of architectural and construction drawings prepared for Forsyth Technical Community College for a roof replacement project at their Northwest Campus Center located at 3111 Big Oaks Drive, King, NC. The project involves the replacement of approximately 2,800 square feet of roofing on the Technology & Student Services Building. The scope of work includes installation of a fully adhered PVC fleece-backed membrane roofing system over existing metal decking, with new foam insulation, fiberglass-reinforced gypsum cover board, and associated flashing details. The drawings, dated February 27, 2026, include a cover sheet, detail plans, roof assembly details, taper plan, and wind uplift pressure plan with specifications for various roof penetrations including soil stacks, pipe boots, curb details, edge treatments, downspouts, scuppers, and collector head assemblies. The design accommodates existing roof slope conditions with drainage directed to scuppers and includes mechanical fastening in areas subject to wind uplift pressures.

The construction documents specify that the existing insulation is sloped toward scuppers for drainage management and include wind load calculations for the 16-foot-tall building structure with two roof zones experiencing negative pressures of 36.7 PSF and 57.5 PSF respectively. The drawings require the contractor to raise scuppers as necessary to remain flush with the new roof assembly and to add wood nailers and insulation to maintain minimum flashing heights of 8 inches. All new PVC membrane installations are specified to be heat-welded with stainless steel flashing elements secured with mechanical fasteners and riveted or soldered connections. The project documents were prepared by a firm located at 1001 Lancaster Avenue, Monroe, NC 28112, with drawings referenced as project P-1817 and include notes indicating this is a "FOR CONSTRUCTION" phase document.

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COVER SHEET

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- CONDENSATION LINE

- GAS LINE

- GUTTER

- ELECTRICAL CONDUIT

- EXPANSION JOINT

- PVC PIPE

LINETYPE LEGEND

VICINITY MAP

CAMPUS MAP

FORSYTH TECHNICAL COMMUNITY COLLEGE

NORTHWEST CAMPUS CENTER

3111 BIG OAKS DRIVE

KING, NC

DRAWINGS

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AP-1 APPENDIX B

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R-1 ROOF DETAILS

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NORTHWEST FORSYTH CENTER

PROJECT LOCATION

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DATE: 2-27-2026

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P-1817 1001 LANCASTER AVE. MONROE, NC 28112 704-282-0826

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SEAL

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SOIL VENT

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CURB FAN

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VENT

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HOT STACK

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CURB

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LADDER

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ROOF DRAIN

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SCUPPER

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PENETRATION

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SLEEPER

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DETAIL PLAN

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ROOF DETAILS

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ASSEMBLY DETAIL

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EXISTING METAL DECK

NEW FULLY ADHERED PVC

FLEECE BACK MEMBRANE

1/4" FIBERGLASS REINFORCED SILICON IMPREGNATED

GYPSUM COVER BOARD SET IN FOAM INSULATION ADHESIVE

EXISTING ISOCYANURATE INSULATION 4"

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TYPICAL CURB DETAIL

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ADHERE FLASHING

MEMBRANE

ADD WOOD NAILERS AS

NECESSARY TO MAINTAIN 8"

MINIMUM FLASHING HEIGHT 26 GA. STAINLESS STEEL

C'FLASHING CORNERS

RIVETED 1" O.C. & SOLDERED

T-JOINT

OVERLAY VERTICAL

SEAMS

MEMBRANE

INSULATION SYSTEM

MECHANICAL SEAM FASTENING

PLATES & SCREWS @ 12" O.C.

INSULATE EXISTING CURB INSULATE

EXISTING CURB W/ 24 GA. GALVANIZED

8"

MIN.

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SOIL STACK / PIPE PENETRATION DETAIL

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8" MIN

NEW PVC MEMBRANE

HEAT WELD

STAINLESS STEEL MECHANICAL

DRAW BAND, TYPICAL

PRE-MOLDED PIPE BOOT

STAINLESS STEEL MECHANICAL

DRAW BAND, TYPICAL

WATER STOP

PIPE /PENETRATION

WHERE SOIL STACK IS TOO

LOW OR BROKEN SLIP PVC

PIPE & COUPLING OVER

EXISTING PIPE & CAULK AS

REQUIRED

INSULATION SYSTEM

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6" 12"

1"

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COLLECTOR HEAD DETAIL

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NEW 1.5'' OF ISOCYANURATE INSULATION MECHANICALLY ATTACHED

TO MEET REQUIRE WIND UPLIFT PER FM GLOBAL

EXISTING MEMBRANE. REMOVE 12" WIDE STRIPS @ 48" O.C.

EXISTING MEMBRANE

EXISTING METAL DECK

EXISTING INSULATION

NEW COVER BOARD

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EDGE/ METAL PANEL DETAIL

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22 GA. GALVANIZED STEEL

CONTINUOUS CLEAT - FASTENED

@ 12" O.C. W/ #12 SCREWS

24 GA. PRE-FINISHED METAL FASCIA

HAND CRIMP

NON- FLEECE BACK PVC

FLASHING MEMBRANE

24 GA PVC COATED CLEAT FASTENED W/

ROOFING NAILS - TWO ROWS @ 12" O.C.

NEW INSULATION

NEW PVC MEMBRANE

AS SPECIFIED

STRIP-IN PLY

HEAT WELD

EXISTING WOOD BLOCKING

HEAT WELD

HEAT WELDNEW MEMBRANE

AS SPECIFIED

TERM BAR FASTENED @ 6" O.C.

FULLY ADHERED NON-FLEECE

BACK PVC FLASHING MEMBRANE

1/2" SILICON IMPREGNATED FIBERGLASS

REINFORCED GYPSUM BOARD ATTACHED

W/ MASONRY DRIVE \PINS @ 12" O.C.

EXISTING ALUMINUM FASCIA

3/16" POP RIVETS @ 1" O.C.

PRE-FINISHED STEEL HANGER STRAP

@ 5' O.C. - MECHANICALLY

ATTACHED W/ 1/4" DRIVE PINS

4" X 6" X 22 GA. PRE-FINISHED

STEEL DOWNSPOUT

STARTER TUBE

DAYLIGHT EXISTING

METAL ROOF

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DOWN SPOUT DETAIL

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FOR CONSTRUCTION

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ROOF DETAILS

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TYP. TROUGH WALL SCUPPER

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NOTE:

CONTRACTOR TO RAISE SCUPPERS AS REQUIRED TO

BE FLUSH W/ NEW ROOF ASSEMBLY. PACK VOID W

INSULATION AND INCREASE SCUPPER PLATE TO

COVER EXISTING VOID AS NECESSARY.

ROOF MEMBRANE

FLASHING MEMBRANE

24 GA. PVC COATED STEEL

SCUPPER LINER- FASTEN @ 3"

O.C. & HEAT WELD TO MEMBRANE

TERMINATION BAR

FASTENED @ 6" O.C.

INSULATION SYSTEM

EXTEND SCUPPER 1" BEYOND

EXTERIOR WALL & CAULK

24 GA. PRE-FINISHED SCUPPER PLATE- HEM ALL

EDGES AND INSTALL W/ 1/4 " X 1 1/2" EXPANSION

FASTENERS AND CAULK

MATCH

EXISTING

MATCH

EXISTING

PRE-FINISHED STEEL

HANGER STRAP 5' O.C. MAX.

1.5" OVERFLOW

DISCHARGE NE DOWNSPOUT

ON TO EXISTING STANDING

SEAM METAL ROOF

THROUGH WALL SCUPPER

NEW 6" X 12" COLLECTOR HEAD

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EXTEND THE

SCUPPER INTO THE

COLLECTOR HEAD.

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TAPER PLAN

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EXISTING INSULATION IS SLOPED TO THE

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WIND UPLIFT PLAN

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6'

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ROOF WIND LOAD 01.01

INTERNAL PRESSURE COEFFICIENT (GCPi) : +0.18 , - 0.18

Zone 1

-36.7 PSF

Zone 2

-57.5 PSF

ROOF AREA 01.01

BUILDING HEIGHT = 16'

FOR CONSTRUCTION

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