Architecture Engineering Planning InteriorsSF

C S.

co m

ROANOKE OFFICE (CORPORATE) CHARLOTTE OFFICE

305 SOUTH JEFFERSON STREET

ROANOKE, VA 24011-2003

800.873.2788

1927 SOUTH TRYON STREET, SUITE 207

CHARLOTTE, NC 28203

704.372.7327

LOUISVILLE OFFICE

2115 LEXINGTON ROAD, SUITE 100

LOUISVILLE, KY 40206

502.414.4545

PHILADELPHIA OFFICE

1777 SENTRY PARKWAY WEST

VEVA 17, SUITE 220

BLUE BELL, PA 19422

610.825.1288

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

SFCS COMM. NO.: 20301.20

3092 Colonial Ave SW, Roanoke, VA 24015

MAY 12, 2026 - BID DRAWINGS

VIRGINIA WESTERN COMMUNITY COLLEGE (VWCC)

PROJECT CODE: 260-B5260-023 (M23VW131)

AGENCY: VIRGINIA WESTERN COMMUNITY COLLEGE

T1

VICINITY MAP LOCATION MAP

NORTH

NORTH

DRAWING INDEX

APPLICABLE PROJECT CODES

CONSTRUCTION AND PROFESSIONAL SERVICES MANUAL (CPSM) 2025, REVISION 0

DATED MARCH 17, 2025

VIRGINIA UNIFORM STATEWIDE BUILDING CODE (VCC) 2021

VIRGINIA EXISTING BUILDING CODE (VEBC) 2021

VIRGINIA PLUMBING CODE 2021

VIRGINIA ENERGY CONSERVATION CODE (VECC) 2021

VIRGINIA MECHANICAL CODE 2021

NATIONAL ELECTRICAL CODE (NFPA 70) 2020

NATIONAL FIRE ALARM CODE (NFPA 72) 2019

HIGH PERFORMANCE BUILDINGS ACT (SECTION 6.1.3.4)

IN ACCORD WITH THE HIGH PERFORMANCE BUILDINGS ACT, THE

BUILDING IS EXEMPT FROM COMPLIANCE BECAUSE THE COST OF THE

RENOVATIONS DOES NOT EXCEED 50% OF THE VALUE OF THE BUILDING.

VIRGINIA ENERGY CONSERVATION CODE (VECC) COMPLIANCE PATH

ALL MAJOR ENVELOPE ELEMENTS ARE EXISTING TO REMAIN. NEW

HEATING AND COOLING EQUIPMENT AND ANY RELATED ENVELOPE

REPAIRS SHALL BE IN COMPLIANCE WITH SECTIONS C503 OF THE

VECC AND SECTIONS 601 AND 602 OF THE VEBC. THE NEW WATER

HEATER SHALL COMPLY WITH VECC SECTIONS C404.

PROJECT DESCRIPTION:

THE PROJECT ENTAILS THE REMOVAL AND REPLACEMENT OF EXISTING ROOFTOP

AIR HANDLING UNITS FOR DUNCAN HALL AND CRAIG HALL, AS WELL AS THE

REMOVAL AND REPLACEMENT OF SELECT ROOFTOP EQUIPMENT AND A WATER

HEATER FOR THE CAMPUS SECURITY BUILDING.

PROPOSED RENOVATIONS WILL AFFECT THE EXISTING BUILDING USE.

PROPOSED RENOVATIONS WILL NOT AFFECT EXISTING EGRESS PATHS AND

CAPACITIES.

LIFE SAFETY:

EXISTING EGRESS PATHS WILL BE MAINTAINED THROUGHOUT

RENOVATIONS AS ALL WORK AREAS WILL BE PARTITIONED FROM

EGRESS PATHS OR UNOCCUPIED DURING RENOVATIONS.

CONSTRUCTION MOVEMENTS WILL BE LIMITED TO THE EXTERIOR DOOR

OR WHEN THE BUILDING IS OTHERWISE UNOCCUPIED.

OWNER REPRESENTATIVE

MR. KEVIN WITTER

DIRECTOR OF FACILITIES, PLANNING AND DEVELOPMENT

VIRGINIA WESTERN COMMUNITY COLLEGE

3099 COLONIAL AVE. SW

ROANOKE, VA 24015

P: 540-857-6481

REGINALD A. WALKER, RA, LEED AP

PROJECT MANAGER, FACILITIES PLANNING AND DEVELOPMENT

VIRGINIA WESTERN COMMUNITY COLLEGE

ROANOKE, VA

OFFICE: 540-857-6456

MOBILE: 540-239-5595

ACCESSIBILITY:

THE SPECIALIZED USE OF THIS SPACE IS FOR ABLE BODIED INDIVIDUALS

UNDER SUPERVISION OF THE CONTRACTOR. THE SPACE IS NOT

INTENDED TO BE ACCESSIBLE.

COLLEGE SERVICES BUILDING

FIRE ALARM SYSTEM

DUNCAN HALL, CRAIG HALL, AND THE CSB BUILDING HAVE EXISTING FIRE

ALARM SYSTEMS THAT WILL BE MAINTAINED AND ACTIVE THROUGH THE

CONSTRUCTION.

CONTRACTOR SHALL PROTECT ALL DEVICES WITHIN THE

CONSTRUCTION AREA DURING CONSTRUCTION ACTIVITIES.

T1 COVER SHEET

ARCHITECTURAL

A3.2 DUNCAN HALL SECOND FLOOR REFLECTED CEILING PLAN

STRUCTURAL

S0.1 GENERAL NOTES AND TYPICAL DETAILS, DUNCAN AND CRAIG

S0.2 GENERAL NOTES AND TYPICAL DETAILS, CSB

S1.1 DUNCAN AND CRAIG ROOF FRAMING PLAN

S1.2 CSB ROOF PLAN

MECHANICAL

M0.0 ABBREVIATIONS, LEGENDS, NOTES AND SCHEDULES - HVAC

MD1.1 DUNCAN & CRAIG HALLS, HVAC DEMOLITION PLANS

MD1.2 CSB - ROOF AND FIRST FLOOR - HVAC DEMOLITION PLANS

M1.1 DUNCAN & CRAIG HALLS, HVAC NEW WORK PLANS

M1.2 CSB - ROOF AND FIRST FLOOR - HVAC NEW WORK PLANS

M3.0 MECHANICAL DETAILS & CONTROLS

M3.1 HVAC CONTROLS

ELECTRICAL

E0.0 ELECTRICAL SYMBOL LEGEND & ABBREVIATIONS

E1.1 DUNCAN & CRAIG FLOOR & ROOF PLAN - POWER

E1.2 CSB FLOOR & ROOF PLAN - POWER

PROJECT

SITE

PROJECT

SITE

WORKING DRAWINGS - BID DRAWINGS

DUNCAN HALL

CRAIG HALL

VIRGINIA COMMUNITY COLLEGE SYSTEM (VCCS)

PROJECT INFORMATION:

DUNCAN & CRAIG HALLS:

PER ORIGINAL DRAWINGS CREATED UNDER THE VUSBC, 1987 ED.:

PER PREVIOUS DEB DETERMINATION THE BUILDINGS ARE CONSIDERED AS ONE

BUILDING.

VCC CONSTRUCTION TYPE: IIB

CONSTRUCTION TYPE PER VCC 2021 IIB

VCC (USE) GROUP: MERCANTILE M,

BUSINESS GROUP B

DESIGN OCCUPANCY: 615

(NO OCCUPANCY NUMBER CHANGE)

RENOVATION SQ. FT.: 0

(ALL ROOF EQUIPMENT)

LIFE SAFETY DATA:

PARTIALLY SPRINKLED BUILDING

BUILDING COMPONENTS

ROOF 0 HR

BUILDING USE - BOOKSTORE, GENERAL PURPOSE CLASSROOMS (EDUCATIONAL USE)

AND STAFF OFFICES (BUSINESS USE)

COLLEGE SERVICES BUILDING:

PER ORIGINAL DRAWINGS CREATED UNDER THE VUSBC, 2000 ED.:

VCC CONSTRUCTION TYPE: 3B

CONSTRUCTION TYPE PER VCC 2021 3B

VCC (USE) GROUP: S-1, MODERATE-HAZARD STORAGE

BUISNESS; B

DESIGN OCCUPANCY: 107

(NO OCCUPANCY NUMBER CHANGE)

RENOVATION SQ. FT.: 0

(ALL ROOF EQUIPMENT)

LIFE SAFETY DATA:

FULLY SPRINKLED BUILDING

BUILDING COMPONENTS

ROOF 0 HR

BUILDING USE - FACILITIES MANAGEMENT, MAIL DISTRIBUTION, CAMPUS

POLICE AND SHIPPING AND RECEIVING.

ASBESTOS DISCLOSURE STATEMENT: CPSM - 4.12.2

DUNCAN & CRAIG HALLS:

AN ASBESTOS INSPECTION WAS PERFORMED AND ASBESTOS-

CONTAINING MATERIALS WERE FOUND GENERALLY IN THE AREA INDICATED

(BUR MEMBRANE AND FLASHING). THE ASBESTOS SURVEY / INSPECTION

REPORT IS AVAILABLE IN APPENDIX TO THE CONTRACTOR(S) FOR

DEMOLITION AND FOR CONSTRUCTION FOR HIS INFORMATION.

LEAD MATERIALS DISCLOSURE STATEMENT: CPSM - 4.13.5

AN INSPECTION TO IDENTIFY LEAD CONTAINING OR COATED BUILDING

COMPONENTS HAS BEEN CONDUCTED AND NO LEAD-BASED PAINT WAS

FOUND. THIS REPORT IS PROVIDED FOR THE CONTRACTOR'S USE AND MAY

NOT BE ALL INCLUSIVE. IT IS THE CONTRACTOR'S RESPONSIBILITY TO

COMPLY WITH ALL VIRGINIA OCCUPATIONAL SAFETY AND HEALTH (VOSH)

REGULATIONS AS THEY PERTAIN TO EMPLOYEE EXPOSURES TO LEAD. ALL

LEAD AND LEAD-COATED BUILDING COMPONENTS SHALL BE RECYCLED TO

THE EXTENT POSSIBLE.

COLLEGE SERVICES BUILDING:

THE BUILDING WAS CONSTRCTEDIN 2005 AND WAS CONSTRUCTED WITHOUT

LEAD OR ASBESTOS-CONTAINING MATERIALS AS NOTED ON RECORD

DRAWING AS BUILTS.

** THE INTENT IS FOR OWNER OCCUPANCY WITHIN THE BUILDING

DURING THE COURSE OF DEMOLITION AND CONSTRUCTION.

THE CONTRACTOR SHALL NOT MOVE EQUIPMENT, MATERIALS, OR

TOOLS THROUGH THE MAIN LOBBYS/CORRIDOR WHILE THE

BUILDING IS OCCUPIED AS THE MAIN LOBBY/CORRIDOR IS A

REQUIRED MEANS OF EGRESS FOR THE REMAINDER OF THE

BUILDING. THE CONTRACTOR SHALL COORDINATE THE MOVEMENT

OF EQUIPMENT MATERIALS OR TOOLS WITH THE OWNER TO

ENSURE THE MAIN LOBBY/CORRIDOR AND ALL EGRESS SPACES

REMAIN FREE AND CLEAR FOR EGRESS OF ALL OCCUPANTS.

NO MATERIALS, TOOLS, OR EQUIPMENT SHALL BE PLACED OR

STORED IN THE CORRIDOR WHILE THE BUIDLING IS OCCUPIED

DURING THE REGULAR HOURS.

CONTRACTOR TO COORDINATE ANY REQUIRED WORK IN THE MAIN

LOBBY/CORRIDOR WITH THE BUILDING OWNER AND THE STATE

FIRE MARSHAL.

THE REMOVAL OF EXISTING CEILING MEMBRANES TO

ACCOMMODATE THE WORK WILL IMPAIR FIRE SPRINKLERS AND

SMOKE/HEAT DETECTORS. IF A SMALL AREA OF CEILING IS

REMOVED AT A TIME, IT MAY BE REASONABLE TO INSTRUCT THE

CONTRACTOR TO REPLACE ALL CEILING TILES AT THE END OF

EACH WORK DAY.

ALTERNATIVELY, ALL IMPACTED PENDANT SPRINKLER HEADS MAY

BE TEMPORARILY REPLACED WITH UPRIGHT HEADS AND TURNED

UP SUCH THAT THEY ARE WITHIN AN NFPA 13-COMPLIANT

DISTANCE FROM THE EXPOSED STRUCTURE ABOVE. SIMILARLY,

SMOKE/HEAT DETECTORS MAY BE TEMPORARILY RELOCATED TO

THE UNDERSIDE OF THE ROOF STRUCTURE IF CONSTRUCTION

ACTIVITIES ARE SUCH THAT THE DEVICES MAY REMAIN

UNCOVERED AND OPERATIONAL.

IF NONE OF THESE TEMPORARY SAFETY MEASURES ARE

IMPLEMENTED, AN APPROVED FIRE WATCH SHALL BE EMPLOYED

WHILE THE BUILDING IS OCCUPIED OR THE BUILDING SHALL BE

EVACUATED FOR THE DURATION OF THE IMPAIRMENT

PROTECTION AND REPAIR OF ROOF:

CONTRACTOR SHALL PROTECT ALL EXISTING ROOFING FROM DAMAGE PROR

TO MOVING MATERIALS OR EQUIPMENT OVER ROOF. CONTRACTOR SHALL

PROTECT ANY DAMAGE TO ROOFING TO RESTORE ORIGINAL CONDITION. ANY

REQUIRED REPAIRS SHALL BE INSPECTED BY ARCHITECT OR ENGINEER FOR

OWNERS ROOF SURVEY INSPECTOR PRIOR TO FINAL ACCEPTANCE.

THE WORK INCLUDES PATCHING AND REPAIR OF ALL MEMBRANE

ROOF AREAS IMPACTED BY THE INSTALLATION.

AN ASBESTOS INSPECTION WAS PERFORMED AND NO

ASBESTOS-CONTAINING ROOFING WERE FOUND. THE

ASBESTOS SURVEY / INSPECTION REPORT IS AVAILABLE

TO THE CONTRACTOR(S) FOR DEMOLITION AND FOR

CONSTRUCTION FOR HIS INFORMATION.

ADDITIVE BID ITEM #1:

RTU-1 LOCATED ON THE STAIR CONNECTOR

BETWEEN DUNCAN & CRAIG HALLS, TO BE

PROVIDED AS ADDITIVE BID ITEM #1

ADDITIVE BID ITEM #2:

THE FOLLOWING WORK SCOPE SHALL BE

PROVIDED AS ADDITIVE BID ITEM #2, ALL WORK

WITHIN THE COLLEGE SERVICES BUILDING.

ADDITIVE BID ITEMS

04/24/2026

Chios Walker

05/12/2026

05/12/26

05/12/2026

04/24/202605/12/2026

10' - 0"10' - 0"10' - 0" 10' - 0" 10' - 0" 10' - 0"

10' - 0" 10' - 0"8' - 0" 8' - 0"

9' - 0"

10' - 0"10' - 0"

EXPOSED

9' - 0"

REMOVE CEILING TILES AS NECESSARY

FOR INSTALLATION OF NEW DUCT AND

PIPE CONNTECTION. REINSTALL /

REPLACE CEILING TILES AS NECESSARY

AFTER INSTALLATION OF NEW WORK. IF

NECESSARY, REPAIR ANY DAMAGE TO

CEILING GRID TO MATCH EXISTING

ADJACENT.

CORR

REMOVE CEILING TILES AS NECESSARY

FOR INSTALLATION OF NEW DUCT AND

PIPE CONNTECTION. REINSTALL /

REPLACE CEILING TILES AS NECESSARY

AFTER INSTALLATION OF NEW WORK. IF

NECESSARY, REPAIR ANY DAMAGE TO

CEILING GRID TO MATCH EXISTING

ADJACENT.

10' - 0"10' - 0"10' - 0" 10' - 0" 10' - 0" 10' - 0"

10' - 0" 10' - 0"8' - 0" 8' - 0"

9' - 0"

10' - 0"10' - 0"

EXPOSED

9' - 0"

EXISTING CEILING CONSISTS OF ACOUTIC

CEILING TILE AND ASSOCIATED GRID.

REMOVE AS INDICATED TO COORDINATE WITH

NEW WORK.

NO WORK

*NOTIFY A/E IMMEDIATLY IS WORK IS REQUIRED

OUTSIDE OF ANNOTATED AREA.

1/8" = 1'-0"A3.2

DUNCAN HALL SECOND FLOOR REFLECTED CEILING NEW WORK PLAN1

Architecture Engineering Planning Interiors

SFCS Inc. 305 South Jefferson Street Roanoke, Virginia 24011.2003

540.344.6664 Fax 540.343.6925

www.sfcs.com

:PROJECT ENGINEER

OF

DRAWING

COMM. NO.

SHEET

DATE

REVISION DESCRIPTION

DRAWING TITLE

APPROVED BY

CHECKED BY

NO.

DRAWN BY

DATE

PROJECT ARCHITECT

PROJECT DESIGNER

PROJECT TITLE

MAY 12, 2026

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

PLAN NOTES

VIRGINIA WESTERN

COMMUNITY

COLLEGE

Project Code: 260-B5260-023 (M24VW131)

5/15/2026

12:55:40 PM

Autodesk Docs://20301.20 - VWCC Replace AHU's At Duncan and College Services/20301.20 - VWCC Duncan & Craig Hall - ARCH CENTRAL.rvt

CHK

DRW

Project Number

DUNCAN HALL SECOND

FLOOR REFLECTED

CEILING PLAN

A3.2

DES

1/8" = 1'-0"A3.2

DUNCAN HALL SECOND FLOOR REFLECTED CEILING DEMOLITION PLAN2

04/24/202605/12/2026

1.

2.

3.

4.

GENERAL STRUCTURAL NOTES, DUNCAN HALL

BASIS OF DESIGN

DESIGN IS IN ACCORDANCE WITH THE VIRGINIA UNIFORM STATEWIDE BUILDING

CODE (USBC-2021 EDITION).

DESIGN OF CONCRETE STRUCTURES IS BASED ON THE REQUIREMENTS OF ACI

318 “BUILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE, ” EDITION AS

REFERENCED IN GOVERNING BUILDING CODE.

DESIGN OF STRUCTURAL STEEL IS BASED ON THE REQUIREMENTS OF AISC 360

“SPECIFICATION FOR STRUCTURAL STEEL BUILDINGS,” EDITION AS REFERENCED

IN GOVERNING BUILDING CODE AND AISC MANUAL OF STEEL CONSTRUCTION,

15TH EDITION.

DESIGN LOADS:

ROOF LIVE LOAD: PITCHED: FLAT: 30 PSF.

ROOF SNOW LOAD

GROUND SNOW LOAD (Pg): 50 PSF FLAT-ROOF SNOW LOAD (Pf): 35 PSF SNOW EXPOSURE FACTOR (Ce): 1.0 THERMAL FACTOR (Ct): 1.0

SNOW LOAD RISK CATEGORY: III

WIND DESIGN DATA

ULTIMATE WIND SPEED, Vult: 116 MPH (3-SECOND GUST) NOMINAL WIND SPEED, Vasd: 90 MPH (3-SECOND GUST)

RISK CATEGORY: III

EXPOSURE CATEGORY: B

INTERNAL PRESSURE COEFFICIENT (GCpi): +/- 0.18

COMPONENTS AND CLADDING DESIGN PRESSURES (ULTIMATE, FOR

REFERENCE ONLY. SPECIFIC DESIGN PRESSURES FOR EACH

COMPONENT SHALL BE CALCULATED BY THE LICENSED PROFESSIONAL

ENGINEER RESPONSIBLE FOR THE COMPONENT ’S DESIGN):

ROOF PRESSURES:

EFFECTIVE WIND AREA (SF)

ZONE 10 50 100

1 +16/-36 +16/-30 +16/-28 1’ +16/-21 +16/-21 +16/-21 2 +16/-47 +16/-40 +16/-37 3 +16/-64 +16/-50 +16/-44

WALL PRESSURES:

EFFECTIVE WIND AREA (SF)

ZONE 10 50 100

4 +21/-22 +19/-20 +18/-19 5 +21/-28 +19/-23 +18/-21 SEE ASCE 7 FOR ZONE LOCATIONS. EDGE DISTANCE “0.2h” = 4.8 FT.

RAIN DESIGN DATA

i=RAIN INTENSITY= 5.62 IN/HOUR (15 MIN RAINFALL INTENSITY)

MECHANICAL EQUIPMENT LOADS SHOWN ARE DESIGN MINIMUMS. NO

PROVISIONS HAVE BEEN MADE FOR MECHANICAL EQUIPMENT LOADS EXCEPT AS

SHOWN. CONTRACTOR SHALL ESTABLISH AND COORDINATE ACTUAL LOADS OF

ALL SELECTED EQUIPMENT. SUBMIT ALL SELECTED EQUIPMENT AND ALL

ADDITIONAL EQUIPMENT REQUIREMENTS FOR APPROVAL. COORDINATE ALL

EQUIPMENT LOADS WITH MATERIAL FABRICATORS.

DESIGN INCLUDES NO PROVISION FOR FUTURE VERTICAL EXPANSION OF THE

STRUCTURE.

GENERAL REQUIREMENTS AND CONDITIONS

WHERE A SECTION OR DETAIL IS SHOWN FOR ONE CONDITION, IT SHALL APPLY

TO ALL LIKE CONDITIONS EVEN THOUGH NOT SPECIFICALLY MARKED ON THE

PLANS.

DIMENSIONS AND ELEVATIONS SHOWN FOR EXISTING CONSTRUCTION ARE

BASED ON EXISTING CONSTRUCTION DRAWINGS AND ARE NOT FIELD-

MEASURED. CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS, ELEVATIONS,

AND GEOMETRY AT EXISTING CONSTRUCTION. REPORT DISCREPANCIES TO THE

ARCHITECT IMMEDIATELY.

WHERE ATTACHMENTS (BOLTS, WELDS, STRAPS, ETC…) ARE DENOTED AS “ON-

CENTER” ALONG A MEMBER LENGTH, IT IS IMPLIED THAT AT LEAST ONE (1)

ATTACHMENT IS PLACED AT THE BEGINNING AND END OF SUCH MEMBER (WITHIN

6”, UNLESS NOTED OTHERWISE).

THE CONTRACTOR SHALL PROTECT THE STRUCTURE DURING CONSTRUCTION

AGAINST EARTH PRESSURE, WIND AND OTHER FORCES UNTIL PERMANENT

SUPPORTS ARE IN PLACE.

RELATED WORK SPECIFIED OR SHOWN ELSEWHERE

REFER TO PROJECT SPECIFICATIONS AND OTHER PROJECT DRAWINGS FOR

RELATED WORK SPECIFIED OR SHOWN ELSEWHERE INCLUDING BUT NOT

LIMITED TO THE FOLLOWING:

PENETRATIONS, SLEEVES, OPENINGS.

INSERTS, EMBEDS, ANCHOR BOLTS AND ANCHORAGE FOR ATTACHMENT

OF NON-STRUCTURAL ITEMS.

SIZE AND LOCATION OF EQUIPMENT FOUNDATIONS AND PADS

ROOF CURBS FOR ROOF MOUNTED EQUIPMENT.

STRUCTURAL STEEL

STRUCTURAL STEEL SHALL COMPLY WITH THE PROVISIONS OF AISC 303 AND

AISC 360.

STEEL FABRICATION SHALL BE PERFORMED BY A FABRICATOR QUALIFIED BY THE

AISC QUALITY CERTIFICATION PROGRAM AS AN AISC-CERTIFIED PLAN,

CATEGORY STD.

STRUCTURAL STEEL SHALL CONFORM TO THE FOLLOWING:

“W” SHAPES, BEAMS AND COLUMNS: ASTM A992.

COLD-FORMED STRUCTURAL STEEL TUBING: ASTM A 500, GRADE C.

STEEL PIPE: ASTM A 53, TYPE E OR S, GRADE B.

OTHER SHAPES, PLATES AND BARS: ASTM A572, GRADE 50.

PRIME STRUCTURAL STEEL WITH FABRICATOR’S STANDARD LEAD- AND

CHROMATE-FREE NONASPHALTIC, RUST-INHIBITING PROMER COMPLYING WITH

MPI #79. DO NOT PRIME SURFACES THAT RECEIVE FIELD WELDS OR SPRAYED

APPLIED FIREPROOFING.

ALL BOLTS SHALL BE ¾” DIAMETER, ASTM F3125, GRADE A325-N, TYPE 1, SNUG-

TIGHTENED, UNLESS NOTED OTHERWISE.

WELDING PROCEDURES AND PERSONNEL SHALL BE QUALIFIED BY AWS D1.1.

WELDING ELECTRODES SHALL BE E70XX.

MINIMUM WELDS SHALL BE 3/16” FILLET WELD ALL AROUND UNLESS INDICATED

OTHERWISE.

DO NOT USE THERMAL CUTTING OF STRUCTURAL STEEL DURING ERECTION.

DO NOT ENLARGE UNFAIR HOLES IN MEMBERS BY BURNING OR BY USING DRIFT

PINS.

SUBMIT SHOP DRAWINGS SHOWING FABRICATION OF ALL STRUCTURAL STEEL

COMPONENTS. INCLUDE CONNECTION DETAILS, HOLES, WELDS, AND BOLTS.

EXPANSION & ADHESIVE ANCHORS

ALL MECHANICAL ANCHORS SHALL BE 1/4” DIAMETER WITH 1 5/8” MINIMUM

EMBEDMENT UNLESS NOTED OTHERWISE. INSTALL PER MANUFACTURER ’S

REQUIREMENTS IN CONCRETE OR FULLY GROUTED MASONRY. MINIMUM

NOMINAL ALLOWABLE TENSION= 3950 LB

NO ANCHOR SHALL BE INSTALLED PRIOR TO RECEIVING PROPER INSTALLATION

TRAINING FROM A MANUFACTURER’S REPRESENTATIVE. ALL ANCHORS SHALL

BE INSTALLED BY PERSONNEL TRAINED BY MANUFACTURER’S REPRESENTATIVE.

ABV ABOVE

ADH AHR ADHESIVE ANCHOR

ADJ ADJACENT

AFF ABOVE FINISHED FLOOR

APPROX APPROXIMATE

ARCH. ARCHITECTURAL

BLDG BUILDING

BLW BELOW

BM BEAM

BOT BOTTOM

BRG BEARING

BTWN BETWEEN

CIP CAST-IN-PLACE

CJ CONTROL JOINT

CL CENTERLINE

CLR CLEAR

CMU CONCRETE MASONRY UNITS

COL COLUMN

CONC CONCRETE

CONN CONNECTION

CONT CONTINUOUS

DIA DIAMETER

DIAG DIAGONAL

DIM. DIMENSION

DWG(S) DRAWING(S)

EA EACH

EF EACH FACE

EJ EXPANSION JOINT

ELEC ELECTRICAL

ELEV ELEVATION

EMBED EMBEDMENT

EOS EDGE OF SLAB

EQ EQUAL

EQUIP. EQUIPMENT

EW EACH WAY

EXST EXISTING

EXT EXTERIOR

EXPN AHR EXPANSION ANCHOR

FIN. FLR FINISHED FLOOR

FLG FLANGE

FRMG FRAMING

FTG FOOTING

GA GAUGE

GALV GALVANIZED

GB GRADE BEAM

HORIZ HORIZONTAL

INFO INFORMATION

INT INTERIOR

JST JOIST

JT JOINT

K KIP (1000 POUNDS)

KSI KIPS PER SQUARE INCH

LBS POUNDS

LLH LONG LEG HORIZONTAL

LLV LONG LEG VERTICAL

MAX MAXIMUM

MECH MECHANICAL

MFR MANUFACTURER

MID MIDDLE

MIN MINIMUM

MTL METAL

NTS NOT TO SCALE

OC (O/C) ON CENTER

OPNG OPENING

PAF POWER-ACTUATED FASTENER

PERP PERPENDICULAR

PL PLATE

PSF POUNDS PER SQUARE FOOT

PSI POUNDS PER SQUARE INCH

PT POINT

R RADIUS

REINF REINFORCEMENT, REINFORCED

REQ’D REQUIRED

SCHED SCHEDULE

SHT SHEET

SIM SIMILAR

SOG SLAB ON GRADE

STD STANDARD

STIFF. STIFFENER

STL STEEL

STRL STRUCTURAL

SYM SYMMETRICAL

T&B TOP AND BOTTOM

THK THICK

TOF TOP OF FOOTING

TOS TOP OF STEEL

TRANSV TRANSVERSE

TYP TYPICAL

UNO UNLESS NOTED OTHERWISE

VERT VERTICAL

VIF VERIFY IN FIELD

W/ WITH

WP WORKING POINT

WWF WELDED WIRE FABRIC

GREATER

THAN 6"

6" MAX

GREATER THAN 6"

CONCENTRATED LOAD IS NOT WITHIN 6" OF A TOP OR BOTTOM CHORD PANEL POINT.

THE JOIST TOP OR BOTTOM CHORD PANEL POINT. ADD A DIAGONAL L2x2x3/16 WHERE THE ALL NEW CONCENTRATED LOADS TO THE STEEL JOIST SHALL BE CONNECTED WITHIN 6" OF NOTE 1:

NOTE 1

NOTE 1

NEW MECH UNIT CURB

1/8" 1"

EACH

END-TYP

EXIST ROOF BAR JOIST

EXIST METAL ROOF DECK

SEE 2S0.1

EXISTING JOIST SPACING

AS REQUIRED

AS

R

EQ

U

IR

ED

L3 1/2x3 1/2x5/16 AT OPENINGS;

L5x3 1/2x5/16 LLH AT MECH UNIT CURBS

OPEN

PLAN

NOTE: ESTABLISH OPENING SIZE

W/ SELECTED EQUIPMENT.

COORDINATE OPENING SIZE W/

MECHANICAL REQUIREMENTS.

L3 1/2x3 1/2x5/16 AT OPENINGS;

L5x3 1/2x5/16 LLH AT MECH UNIT CURBS

SECTION

1/8"

TYP

1/8"

TYP

EXIST JOIST OR BEAM

WELD DECK TO

ANGLE @ 12" OC

EXIST DECK

CENTER ANGLE UNDER

MECH UNIT CURB, TYP

L3 1/2x3 1/2x5/16 AT OPENINGS;

L5x3 1/2x5/16 LLV AT MECH UNIT CURBS

10'-5" COLUMN SPACING; VIF

AS REQUIRED

AS

R

EQ

U

IR

ED

OPEN

PLAN

NOTE: ESTABLISH OPENING SIZE

W/ SELECTED EQUIPMENT.

COORDINATE OPENING SIZE W/

MECHANICAL REQUIREMENTS.

L4x4x5/16 AT OPENINGS

SECTION

3/16"

TYP

1/4" DIA. CONCRETE SCREW

ANCHOR @ 12" OC W/ 1 5/8"

MINIMUM EMBEDMENT, TYP. DO

NOT CUT EXIST REINFORCING. EXIST CONCRETE SLAB

L4x4x5/16 AT OPENINGS

** THE CONTRACTOR SHALL NOT MOVE EQUIPMENT, MATERIALS, OR TOOLS

THROUGH THE MAIN LOBBY/CORRIDOR WHILE THE BUILDING IS OCCUPIED AS

THE MAIN LOBBY/CORRIDOR IS A REQUIRED MEANS OF EGRESS FOR THE

REMAINDER OF THE BUILDING. THE CONTRACTOR SHALL COORDINATE THE

MOVEMENT OF EQUIPMENT MATERIALS OR TOOLS WITH THE OWNER TO ENSURE

THE MAIN LOBBY/CORRIDOR AND ALL EGRESS SPACES REMAIN FREE AND CLEAR

FOR EGRESS OF ALL OCCUPANTS.

NO MATERIALS, TOOLS, OR EQUIPMENT SHALL BE PLACED OR STORED IN THE

CORRIDOR WHILE THE BUIDLING IS OCCUPIED DURING THE REGULAR HOURS.

CONTRACTOR TO COORDINATE ANY REQUIRED WORK IN THE MAIN

LOBBY/CORRIDOR WITH THE BUILDING OWNER AND THE STATE FIRE MARSHAL.

Architecture Engineering Planning Interiors

SFCS Inc. 305 South Jefferson Street Roanoke, Virginia 24011.2003

540.344.6664 Fax 540.343.6925

www.sfcs.com

:PROJECT ENGINEER

OF

DRAWING

COMM. NO.

SHEET

DATE

REVISION DESCRIPTION

DRAWING TITLE

APPROVED BY

CHECKED BY

NO.

DRAWN BY

DATE

PROJECT ARCHITECT

PROJECT DESIGNER

PROJECT TITLE

MAY 12, 2026

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

VIRGINIA WESTERN

COMMUNITY

COLLEGE

Project Code: 260-B5260-023 (M24VW131)

5/15/2026

12:41:59 PM

Autodesk Docs://20301.20 - VWCC Replace AHU's At Duncan and College Services/20301.20 - VWCC Duncan & Craig Hall - STRUC CENTRAL.rvt

LBF

20301.20

GENERAL NOTES AND

TYPICAL DETAILS, DUNCAN

AND CRAIG

S0.1

LBF

N.T.S.S0.1

STRUCTURAL ABBREVIATIONS1

N.T.S.S0.1

CONCENTRATED LOADS AT STEEL

JOISTS AT DUNCAN HALL3

N.T.S.S0.1

FRAMING AT JOISTS FOR NEW CURBS

AND OPENINGS AT DUNCAN HALL2

N.T.S.S0.1

FRAMING AT CONCRETE SLAB FOR NEW OPENINGS4

(NOTE: THIS DETAIL ALSO APPLIES TO ADDITIVE BID ITEM #1)

(NOTE: THIS DETAIL ALSO APPLIES TO ADDITIVE BID ITEM #1)

1.

2.

3.

4.

GENERAL STRUCTURAL NOTES, COLLEGE SERVICES BUILDING (CSB)

BASIS OF DESIGN

DESIGN IS IN ACCORDANCE WITH THE VIRGINIA UNIFORM STATEWIDE BUILDING

CODE (USBC-2021 EDITION).

DESIGN OF CONCRETE STRUCTURES IS BASED ON THE REQUIREMENTS OF ACI

318 “BUILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE, ” EDITION AS

REFERENCED IN GOVERNING BUILDING CODE.

DESIGN OF STRUCTURAL STEEL IS BASED ON THE REQUIREMENTS OF AISC 360

“SPECIFICATION FOR STRUCTURAL STEEL BUILDINGS,” EDITION AS REFERENCED

IN GOVERNING BUILDING CODE AND AISC MANUAL OF STEEL CONSTRUCTION,

15TH EDITION.

DESIGN LOADS:

ROOF LIVE LOAD: PITCHED: FLAT: 30 PSF.

ROOF SNOW LOAD

GROUND SNOW LOAD (Pg): 42 PSF FLAT-ROOF SNOW LOAD (Pf): 30 PSF SNOW EXPOSURE FACTOR (Ce): 1.0 THERMAL FACTOR (Ct): 1.0

SNOW LOAD RISK CATEGORY: II

WIND DESIGN DATA

ULTIMATE WIND SPEED, Vult: 108 MPH (3-SECOND GUST) NOMINAL WIND SPEED, Vasd: 84 MPH (3-SECOND GUST)

RISK CATEGORY: II

EXPOSURE CATEGORY: B

INTERNAL PRESSURE COEFFICIENT (GCpi): +/- 0.18

COMPONENTS AND CLADDING DESIGN PRESSURES (ULTIMATE, FOR

REFERENCE ONLY. SPECIFIC DESIGN PRESSURES FOR EACH

COMPONENT SHALL BE CALCULATED BY THE LICENSED PROFESSIONAL

ENGINEER RESPONSIBLE FOR THE COMPONENT ’S DESIGN):

ROOF PRESSURES:

EFFECTIVE WIND AREA (SF)

ZONE 10 50 100

1 +16/-27 +16/-23 +16/-21 1’ +16/-16 +16/-16 +16/-16 2 +16/-36 +16/-31 +16/-29 3 +16/-49 +16/-39 +16/-34

WALL PRESSURES:

EFFECTIVE WIND AREA (SF)

ZONE 10 50 100

4 +16/-17 +16/-16 +16/-16 5 +16/-21 +16/-18 +16/-16 SEE ASCE 7 FOR ZONE LOCATIONS. EDGE DISTANCE “0.2h” = 2.6 FT.

RAIN DESIGN DATA

i=RAIN INTENSITY= 5.62 IN/HOUR (15 MIN RAINFALL INTENSITY)

MECHANICAL EQUIPMENT LOADS SHOWN ARE DESIGN MINIMUMS. NO

PROVISIONS HAVE BEEN MADE FOR MECHANICAL EQUIPMENT LOADS EXCEPT AS

SHOWN. CONTRACTOR SHALL ESTABLISH AND COORDINATE ACTUAL LOADS OF

ALL SELECTED EQUIPMENT. SUBMIT ALL SELECTED EQUIPMENT AND ALL

ADDITIONAL EQUIPMENT REQUIREMENTS FOR APPROVAL. COORDINATE ALL

EQUIPMENT LOADS WITH MATERIAL FABRICATORS.

DESIGN INCLUDES NO PROVISION FOR FUTURE VERTICAL EXPANSION OF THE

STRUCTURE.

GENERAL REQUIREMENTS AND CONDITIONS

WHERE A SECTION OR DETAIL IS SHOWN FOR ONE CONDITION, IT SHALL APPLY

TO ALL LIKE CONDITIONS EVEN THOUGH NOT SPECIFICALLY MARKED ON THE

PLANS.

DIMENSIONS AND ELEVATIONS SHOWN FOR EXISTING CONSTRUCTION ARE

BASED ON EXISTING CONSTRUCTION DRAWINGS AND ARE NOT FIELD-

MEASURED. CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS, ELEVATIONS,

AND GEOMETRY AT EXISTING CONSTRUCTION. REPORT DISCREPANCIES TO THE

ARCHITECT IMMEDIATELY.

WHERE ATTACHMENTS (BOLTS, WELDS, STRAPS, ETC…) ARE DENOTED AS “ON-

CENTER” ALONG A MEMBER LENGTH, IT IS IMPLIED THAT AT LEAST ONE (1)

ATTACHMENT IS PLACED AT THE BEGINNING AND END OF SUCH MEMBER (WITHIN

6”, UNLESS NOTED OTHERWISE).

THE CONTRACTOR SHALL PROTECT THE STRUCTURE DURING CONSTRUCTION

AGAINST EARTH PRESSURE, WIND AND OTHER FORCES UNTIL PERMANENT

SUPPORTS ARE IN PLACE.

RELATED WORK SPECIFIED OR SHOWN ELSEWHERE

REFER TO PROJECT SPECIFICATIONS AND OTHER PROJECT DRAWINGS FOR

RELATED WORK SPECIFIED OR SHOWN ELSEWHERE INCLUDING BUT NOT

LIMITED TO THE FOLLOWING:

PENETRATIONS, SLEEVES, OPENINGS.

INSERTS, EMBEDS, ANCHOR BOLTS AND ANCHORAGE FOR ATTACHMENT

OF NON-STRUCTURAL ITEMS.

SIZE AND LOCATION OF EQUIPMENT FOUNDATIONS AND PADS

ROOF CURBS FOR ROOF MOUNTED EQUIPMENT.

STRUCTURAL STEEL

STRUCTURAL STEEL SHALL COMPLY WITH THE PROVISIONS OF AISC 303 AND

AISC 360.

STEEL FABRICATION SHALL BE PERFORMED BY A FABRICATOR QUALIFIED BY THE

AISC QUALITY CERTIFICATION PROGRAM AS AN AISC-CERTIFIED PLAN,

CATEGORY STD.

STRUCTURAL STEEL SHALL CONFORM TO THE FOLLOWING:

“W” SHAPES, BEAMS AND COLUMNS: ASTM A992.

COLD-FORMED STRUCTURAL STEEL TUBING: ASTM A 500, GRADE C.

STEEL PIPE: ASTM A 53, TYPE E OR S, GRADE B.

OTHER SHAPES, PLATES AND BARS: ASTM A572, GRADE 50.

PRIME STRUCTURAL STEEL WITH FABRICATOR’S STANDARD LEAD- AND

CHROMATE-FREE NONASPHALTIC, RUST-INHIBITING PROMER COMPLYING WITH

MPI #79. DO NOT PRIME SURFACES THAT RECEIVE FIELD WELDS OR SPRAYED

APPLIED FIREPROOFING.

ALL BOLTS SHALL BE ¾” DIAMETER, ASTM F3125, GRADE A325-N, TYPE 1, SNUG-

TIGHTENED, UNLESS NOTED OTHERWISE.

WELDING PROCEDURES AND PERSONNEL SHALL BE QUALIFIED BY AWS D1.1.

WELDING ELECTRODES SHALL BE E70XX.

MINIMUM WELDS SHALL BE 3/16” FILLET WELD ALL AROUND UNLESS INDICATED

OTHERWISE.

DO NOT USE THERMAL CUTTING OF STRUCTURAL STEEL DURING ERECTION.

DO NOT ENLARGE UNFAIR HOLES IN MEMBERS BY BURNING OR BY USING DRIFT

PINS.

SUBMIT SHOP DRAWINGS SHOWING FABRICATION OF ALL STRUCTURAL STEEL

COMPONENTS. INCLUDE CONNECTION DETAILS, HOLES, WELDS, AND BOLTS.

EXPANSION & ADHESIVE ANCHORS

ALL ADHESIVE ANCHORS SHALL BE 5/8” DIAMETER WITH 5” MINIMUM EMBEDMENT

UNLESS NOTED OTHERWISE. INSTALL PER MANUFACTURER ’S REQUIREMENTS IN

CONCRETE OR FULLY GROUTED MASONRY.

NO ANCHOR SHALL BE INSTALLED PRIOR TO RECEIVING PROPER INSTALLATION

TRAINING FROM A MANUFACTURER’S REPRESENTATIVE. ALL ANCHORS SHALL

BE INSTALLED BY PERSONNEL TRAINED BY MANUFACTURER’S REPRESENTATIVE.

ABV ABOVE

ADH AHR ADHESIVE ANCHOR

ADJ ADJACENT

AFF ABOVE FINISHED FLOOR

APPROX APPROXIMATE

ARCH. ARCHITECTURAL

BLDG BUILDING

BLW BELOW

BM BEAM

BOT BOTTOM

BRG BEARING

BTWN BETWEEN

CIP CAST-IN-PLACE

CJ CONTROL JOINT

CL CENTERLINE

CLR CLEAR

CMU CONCRETE MASONRY UNITS

COL COLUMN

CONC CONCRETE

CONN CONNECTION

CONT CONTINUOUS

DIA DIAMETER

DIAG DIAGONAL

DIM. DIMENSION

DWG(S) DRAWING(S)

EA EACH

EF EACH FACE

EJ EXPANSION JOINT

ELEC ELECTRICAL

ELEV ELEVATION

EMBED EMBEDMENT

EOS EDGE OF SLAB

EQ EQUAL

EQUIP. EQUIPMENT

EW EACH WAY

EXST EXISTING

EXT EXTERIOR

EXPN AHR EXPANSION ANCHOR

FIN. FLR FINISHED FLOOR

FLG FLANGE

FRMG FRAMING

FTG FOOTING

GA GAUGE

GALV GALVANIZED

GB GRADE BEAM

HORIZ HORIZONTAL

INFO INFORMATION

INT INTERIOR

JST JOIST

JT JOINT

K KIP (1000 POUNDS)

KSI KIPS PER SQUARE INCH

LBS POUNDS

LLH LONG LEG HORIZONTAL

LLV LONG LEG VERTICAL

MAX MAXIMUM

MECH MECHANICAL

MFR MANUFACTURER

MID MIDDLE

MIN MINIMUM

MTL METAL

NTS NOT TO SCALE

OC (O/C) ON CENTER

OPNG OPENING

PAF POWER-ACTUATED FASTENER

PERP PERPENDICULAR

PL PLATE

PSF POUNDS PER SQUARE FOOT

PSI POUNDS PER SQUARE INCH

PT POINT

R RADIUS

REINF REINFORCEMENT, REINFORCED

REQ’D REQUIRED

SCHED SCHEDULE

SHT SHEET

SIM SIMILAR

SOG SLAB ON GRADE

STD STANDARD

STIFF. STIFFENER

STL STEEL

STRL STRUCTURAL

SYM SYMMETRICAL

T&B TOP AND BOTTOM

THK THICK

TOF TOP OF FOOTING

TOS TOP OF STEEL

TRANSV TRANSVERSE

TYP TYPICAL

UNO UNLESS NOTED OTHERWISE

VERT VERTICAL

VIF VERIFY IN FIELD

W/ WITH

WP WORKING POINT

WWF WELDED WIRE FABRIC

EXISTING JOIST SPACING

AS REQUIRED

AS

R

EQ

U

IR

ED

L3 1/2x3 1/2x5/16 AT OPENINGS;

L5x3 1/2x5/16 LLH AT MECH UNIT CURBS

OPEN

PLAN

NOTE: ESTABLISH OPENING SIZE

W/ SELECTED EQUIPMENT.

COORDINATE OPENING SIZE W/

MECHANICAL REQUIREMENTS.

L3 1/2x3 1/2x5/16 AT OPENINGS;

L5x3 1/2x5/16 LLH AT MECH UNIT CURBS

SECTION

1/8"

TYP

1/8"

TYP

EXIST JOIST OR BEAM

WELD DECK TO

ANGLE @ 12" OC

EXIST DECK

CENTER ANGLE UNDER

MECH UNIT CURB, TYP

L3 1/2x3 1/2x5/16 AT OPENINGS;

L5x3 1/2x5/16 LLV AT MECH UNIT CURBS

GREATER

THAN 6"

6" MAX

GREATER THAN 6"

CONCENTRATED LOAD IS NOT WITHIN 6" OF A TOP OR BOTTOM CHORD PANEL POINT.

THE JOIST TOP OR BOTTOM CHORD PANEL POINT. ADD A DIAGONAL L2x2x3/16 WHERE THE ALL NEW CONCENTRATED LOADS TO THE STEEL JOIST SHALL BE CONNECTED WITHIN 6" OF NOTE 1:

NOTE 1

NOTE 1

NEW MECH UNIT CURB

1/8" 1"

EACH

END-TYP

EXIST ROOF BAR JOIST

EXIST METAL ROOF DECK

SEE 2S0.1

Architecture Engineering Planning Interiors

SFCS Inc. 305 South Jefferson Street Roanoke, Virginia 24011.2003

540.344.6664 Fax 540.343.6925

www.sfcs.com

:PROJECT ENGINEER

OF

DRAWING

COMM. NO.

SHEET

DATE

REVISION DESCRIPTION

DRAWING TITLE

APPROVED BY

CHECKED BY

NO.

DRAWN BY

DATE

PROJECT ARCHITECT

PROJECT DESIGNER

PROJECT TITLE

MAY 12, 2026

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

VIRGINIA WESTERN

COMMUNITY

COLLEGE

Project Code: 260-B5260-023 (M24VW131)

5/15/2026

12:43:51 PM

Autodesk Docs://20301.20 - VWCC Replace AHU's At Duncan and College Services/20301.20 - VWCC College Services Building - STRUC CENTRAL.rvt

LBF

20301.20

GENERAL NOTES AND

TYPICAL DETAILS, CSB

S0.2

LBF

N.T.S.S0.2

STRUCTURAL ABBREVIATIONS1

N.T.S.S0.2

FRAMING FOR NEW CURBS AND

OPENINGS AT CSB2

N.T.S.S0.2

CONCENTRATED LOADS AT STEEL

JOISTS AT CSB3

NOTE: ALL WORK THIS SHEET TO BE

PROVIDED AS PART OF ADDITIVE BID

ITEM #2.

RTU-1 TO BE PROVIDED AS

ADDITIVE BID ITEM #1

Architecture Engineering Planning Interiors

SFCS Inc. 305 South Jefferson Street Roanoke, Virginia 24011.2003

540.344.6664 Fax 540.343.6925

www.sfcs.com

N

:PROJECT ENGINEER

OF

DRAWING

COMM. NO.

SHEET

DATE

REVISION DESCRIPTION

DRAWING TITLE

APPROVED BY

CHECKED BY

NO.

DRAWN BY

DATE

PROJECT ARCHITECT

PROJECT DESIGNER

PROJECT TITLE

MAY 12, 2026

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

PLAN NOTES

GENERAL NOTES

PLAN NORTH

VIRGINIA WESTERN

COMMUNITY

COLLEGE

Project Code: 260-B5260-023 (M24VW131)

5/15/2026

12:41:59 PM

Autodesk Docs://20301.20 - VWCC Replace AHU's At Duncan and College Services/20301.20 - VWCC Duncan & Craig Hall - STRUC CENTRAL.rvt

LBF

20301.20

DUNCAN AND CRAIG ROOF

FRAMING PLAN

S1.1

LBF

1. SEE MECH DRAWINGS FOR EQUIPMENT LOCATION AND

CURB REQUIREMENTS.

2. EXISTING FRAMING TO BE FIELD VERIFIED.

NEW ROOFTOP EQUIPMENT, SEE MECHANICAL

DRAWINGS. SEE 2/S0.1 FOR FRAMING UNDER NEW

EQUIPMENT ROOF CURBS AND AROUND NEW DUCT

PENETRATION AS REQUIRED IN FIELD. REUSE

EXISTING PENETRATIONS WHERE POSSIBLE.

EXISTING METAL ROOF DECK ON EXISTING OPEN WEB

STEEL JOISTS. PATCH ABANDONED HOLES WITH 1 1/2"

22 GA TYPE B METAL ROOF DECK WITH #8 SCREWS @

12" OC AROUND PERIMETER.

NEW ROOFTOP EQUIPMENT, SEE MECHANICAL

DRAWINGS. SEE 4/S0.1 FOR FRAMING AROUND NEW

DUCT PENETRATION AS REQUIRED IN FIELD. REUSE

EXISTING PENETRATIONS WHERE POSSIBLE.

EXISTING 10" THICK CONCRETE ROOF SLAB.

1/8" = 1'-0"S1.1

DUNCAN AND CRAIG ROOF FRAMING PLAN1

5542 LB

4446 LB765 LB

KEY PLAN

NORTH

WORK LOCATION:

4'4'00 8'8' 16'16'

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

VIF

3' - 4"

VIF

2' - 4"

VIF

2' - 11"

VIF

3' - 3"

NOTE: ALL WORK THIS SHEET

TO BE PROVIDED AS A PART OF

ADDITIVE BID ITEM #2.

Architecture Engineering Planning Interiors

SFCS Inc. 305 South Jefferson Street Roanoke, Virginia 24011.2003

540.344.6664 Fax 540.343.6925

www.sfcs.com

N

:PROJECT ENGINEER

OF

DRAWING

COMM. NO.

SHEET

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REVISION DESCRIPTION

DRAWING TITLE

APPROVED BY

CHECKED BY

NO.

DRAWN BY

DATE

PROJECT ARCHITECT

PROJECT DESIGNER

PROJECT TITLE

MAY 12, 2026

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

PLAN NOTES

GENERAL NOTES

PLAN NORTH

VIRGINIA WESTERN

COMMUNITY

COLLEGE

Project Code: 260-B5260-023 (M24VW131)

5/15/2026

12:43:51 PM

Autodesk Docs://20301.20 - VWCC Replace AHU's At Duncan and College Services/20301.20 - VWCC College Services Building - STRUC CENTRAL.rvt

LBF

20301.20

CSB ROOF PLAN

S1.2

LBF

1. SEE MECH DRAWINGS FOR EQUIPMENT LOCATION AND

CURB REQUIREMENTS.

2. EXISTING FRAMING TO BE FIELD VERIFIED.

NEW ROOFTOP EQUIPMENT, 1225 LB. SEE

MECHANICAL DRAWINGS. SEE 2/S0.2 FOR FRAMING

UNDER NEW EQUIPMENT ROOF CURBS AND AROUND

NEW DUCT PENETRATION AS REQUIRED IN FIELD.

EXISTING METAL ROOF DECK ON EXISTING OPEN WEB

STEEL JOISTS. PATCH ABANDONED HOLES WITH 1 1/2"

22 GA TYPE B METAL ROOF DECK WITH #8 SCREWS @

12" OC AROUND PERIMETER.

1/8" = 1'-0"S1.2

CSB ROOF FRAMING PLAN1

4'4'00 8'8' 16'16'

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

KEY PLAN

NORTH

WORK LOCATION:

RECTANGULAR DUCT

DUCTWORK, AIR DISTRIBUTION

ROUND DUCT

FLAT OVAL DUCT

DUCT WITH ACOUSTIC LINING

SUPPLY GRILLE OR REGISTER

RETURN/EXHAUST GRILLE OR REGISTER

CEILING DIFFUSER - SQUARE (ROUND SIMILAR)

(FLOW ARROWS INDICATE DIRECTION OF THROW

FOUR WAY FLOW IF NO ARROWS SHOWN)

RETURN/EXHAUST GRILLE OR REGISTER

SUPPLY DUCT UP

SUPPLY DUCT DOWN

RETURN DUCT UP

DOUBLE

6Ø

12x6

12/6

R

RETURN DUCT DOWN

CHANGE OF ELEVATION RISE (R) DROP (D)

TRANSITION - RECTANGULAR OR ROUND

TRANSITION - RECTANGULAR TO ROUND

BRANCH DUCT - STANDARD (45º ENTRY)

BRANCH DUCT WITH SPLITTER

SD

BRANCH DUCT WITH AIR EXTRACTOR AE

BRANCH DUCT, STRAIGHT LATERAL, ROUND

BRANCH DUCT, STRAIGHT TEE, ROUND

BRANCH DUCT, LO-LOSS TEE, ROUND

BRANCH DUCT, CONICAL TEE, ROUND

BRANCH DUCT, CONICAL TEE, FLEX

TAKE OFF, SPIN-IN COLLAR W/DAMPER

ABBREVIATIONS

AUTOMATIC AIR VENT

ACCESS DOOR

AIR EXTRACTOR

AUTOMATIC FLOW CONTROL VALVE

AIR PRESSURE DROP, IN. WG.

AQUASTAT

AIR TRANSFER DUCT

BOTTOM GRILLE

BRAKE HORSEPOWER

BOTTOM OF DUCT

BOTTOM REGISTER

BRITISH THERMAL UNIT

BRITISH THERMAL UNIT/HOUR

CEILING ACCESS DOOR

CEILING DIFFUSER, CONDENSATE DRAIN

CUBIC FEET PER MINUTE

CEILING GRILLE

CLEANOUT

CEILING REGISTER

CEILING RADIATION DAMPER

COLD WATER

CHILLED WATER RETURN

CHILLED WATER SUPPLY

DUCT ACCESS DOOR

DRY BULB ºF, DECIBEL

DOOR GRILLE

DOUBLE WALLED DUCT

EXHAUST AIR

ENTERING AIR TEMPERATURE

EQUIPMENT SERVICE AREA

ENTERING WATER TEMPERATURE

FLOOR DRAIN

FIRE DAMPER

FLOOR GRILLE

FROM

FIRE/SMOKE DAMPER

GALLON

GALLONS PER DAY

GALLONS PER HOUR

GALLONS PER MINUTE

HOSE BIBB

HORSEPOWER

HIGH PRESSURE STEAM RETURN

HIGH PRESSURE STEAM SUPPLY

HOT WATER

HEATING/HOT WATER RETURN

HEATING WATER SUPPLY

FREQUENCY (CYCLES/SOUND)

KILOWATT

KILOWATT HOUR

LEAVING AIR TEMPERATURE

POUNDS PER HOUR

LINEAR DIFFUSER

LINEAR GRILLE

LINEAR RETURN

LEAVING WATER TEMPERATURE

AAV

AD

AE

AFCV

APD

AQ

ATD

BG

BHP

BOD

BR

BTU

BTUH

CAD

CD

CFM

CG

CO

CR

CRD

CW

CWR

CWS

DAD

DB

DG

DWD

EA

EAT

ESA

EWT

FD

FDR

FG

FR

FSDR

GAL

GPD

GPH

GPM

HB

HP

HPR

HPS

HW

HWR

HWS

HZ

KW

KWH

LAT

LB/HR

LD

LG

LR

LWT

MAV

MBH

MOD

MPR

MPS

MVD

NC

OED

OFD

OA

OBD

OT

OTCP

PIV

PVR

PSI

RA

RC

RD

RH

RPM

SA

SD

SDR

SMD

SP

SS

S/S

SV

SW

TC

TEMP

TD

TG

TR

T'STAT

UC

V

VAC

VAV

VTR

W

WB

WG

WH

WHA

WPD

WS

WTD

WTR

WWM

Z

MANUAL AIR VENT

BTU PER HOUR (THOUSANDS)

MOTOR OPERATED DAMPER

MEDIUM PRESSURE STEAM RETURN

MEDIUM PRESSURE STEAM SUPPLY

MANUAL VOLUME DAMPER

NOISE CRITERIA

OPEN END DUCT

OVERFLOW DRAIN

OUTSIDE AIR

OPPOSED BLADE DAMPER

OVERRIDE TIMER

OPEN TO CEILING PLENUM

POST INDICATOR VALVE

PRESSURE REDUCING VALVE

POUNDS PER SQUARE INCH

RETURN AIR

RAIN CONDUCTOR

ROOF DRAIN

RELATIVE HUMIDITY

REVOLUTIONS PER MINUTE

SUPPLY AIR

SHOWER DRAIN, SPLITTER DAMPER,

STORM DRAIN

SMOKE DAMPER

SMOKE DETECTOR

STATIC PRESSURE

SANITARY SEWER

STAINLESS STEEL

SERVICE VALVE

SWITCH

TIME CLOCK

TEMPERATURE

TEMPERATURE DIFFERENTIAL

TOP GRILLE, TRANSFER GRILLE

TOP REGISTER, TONS OF REFRIGERATION

THERMOSTAT

DOOR UNDERCUT

VOLT, VENT

VACUUM

VARIABLE AIR VOLUME

VENT THROUGH ROOF

WASTE, WATTS

WET BULB, ºF

WATER GAUGE (FEET OR INCHES)

WALL HYDRANT

WATER HAMMER ARRESTOR

WATER PRESSURE DROP, FT. WG

WATER STOP

WATER TEMPERATURE DROP, ºF

WATER TEMPERATURE RISE, ºF

WOVEN WIRE MESH

ZONE

THESE SYMBOLS AND ABBREVIATIONS ARE MECHANICAL DEPARTMENT STANDARDS AND MAY NOT

NECESSARILY BE APPLICABLE TO OR APPEAR ON THESE DRAWINGS. HOWEVER, WHEREVER THESE

SYMBOLS DO OCCUR ON THE DRAWINGS, THE ITEM SHALL BE PROVIDED AND INSTALLED. SEE

ARCHITECTURAL DRAWINGS FOR ADDITIONAL SYMBOLS AND ABBREVIATIONS.

FLEXIBLE DUCT

WATERTIGHT DUCT

CONTROL DAMPER (MOD OR MVD)

SAFETY DAMPER (FDR OR SDR)

SQUARE ELBOW WITH TURNING VANES

FLEXIBLE DUCT CONNECTION

MOD

FDR

PIPING - GENERAL

DIRECTION OF FLOW

DIRECTION OFSLOPE DOWN

PIPE TURNING UP

PIPE TURNING DOWN

BRANCH CONNECTION - TOP

BRANCH CONNECTION - BOTTOM

BRANCH CONNECTION - SIDE

PIPE ANCHOR

PIPE ALIGNMENT GUIDE

SERVICE VALVE (GATE, BALL OR BUTTERFLY)

GLOBE VALVE

CHECK VALVE

BALANCING COCK

UNION

VALVE IN RISER

PIPE CAP OR BLIND FLANGE

OUTLETS (G, A, V, OX, CW, HW)

EXPANSION JOINT

PRESSURE REDUCING VALVE

PRESSURE RELIEF VALVE

PRESSURE GAUGE

THERMOMETER

FLEXIBLE PIPE CONNECTION OR JOINT

STRAINER

CLEANOUT PLUG

FLOOR CLEANOUT

WALL CLEANOUT

FLOW SWITCH

PRESSURE SWITCH

R

CO

OR

CO

CO

CO

PS

FS

D

CR

C

CWR

CWS

HWR

RS

RD

RL

HPS

HPR

DTS

DTRPIPING - HVAC

STEAM (NUMBER DENOTES PRESSURE)

STEAM CONDENSATE RETURN (SCR)

BOILER BLOWDOWN

PUMPED CONDENSATE

COLD WATER

DRIP STATION

THERMOSTATIC TRAP

FLOAT AND THERMOSTATIC TRAP

BUCKET TRAP

HEATING WATER SUPPLY

DS

T

F

B

HWS

PC

BBD

MISCELLANEOUS

LIMIT OF DEMOLITION

CONNECT NEW TO EXISTING

T

T

ELECTRIC THERMOSTAT (OR SENSOR)

PNEUMATIC THERMOSTAT

ØDIAMETER

HH

SS

HUMIDISTAT

FAN SPEED SWITCH

SMDDUCT - MOUNTED SMOKE DETECTOR

PIPE AND DUCT

RISER REFERENCE

S - SUPPLYING DUCT

R - RETURN DUCT

E - EXHAUST DUCT

H - H/C WATER

PIPING

H

1 RISER NO..

BFP

AQUASTAT

GAS COCK

BACKFLOW PREVENTER

NEW WORK

EXISTING TO REMAIN

EXISTING TO BE REMOVED

PIPING - SPECIAL

COMPRESSED AIR

GAS

FUEL OIL SUPPLY

FUEL OIL RETURN

GLYCOL SUPPLY

GLYCOL RETURN

A

G

FOS

FOR

GS

GR

HEATING WATER RETURN

CHILLED WATER SUPPLY

CHILLED WATER RETURN

CONDENSER WATER SUPPLY

CONDENSER WATER RETURN

CONDENSATE DRAIN

CONTROL VALVE (2-WAY)

CONTROL VALVE (3-WAY)

AUTOMATIC FLOW CONTROL VALVE

CALIBRATED BALANCING VALVE

TRIPLE DUTY VALVE (PUMP DISCHARGE)

PRESSURE/TEMPERATURE FITTING

REFRIGERANT SUCTION

REFRIGERANT DISCHARGE

REFRIGERANT LIQUID

HEAT PUMP WATER SUPPLY

HEAT PUMP WATER RETURN

DUAL TEMP SUPPLY

DUAL TEMP RETURN

EXHAUST DUCT UP

EXHAUST DUCT DOWN

HVAC ABBREVIATIONS AND LEGEND

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

DUCT WORK INSTALLATION, CONNECTIONS AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE LATEST

APPLICABLE SMACNA STANDARDS.

EQUIPMENT INSTALLATIONS SHALL BE IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS. COPY OF

INSTRUCTIONS SHALL BE ON JOB SITE AT TIME OF BUILDING INSPECTIONS.

DUCT DIMENSIONS INDICATED ARE ACTUAL SHEET METAL SIZES. WHERE ACOUSTIC LINING IS INDICATED (IF

SHOWN), THE DUCT SIZES WERE ADJUSTED TO COMPENSATE FOR THE LINING.

DUCTWORK AND PIPING LAYOUTS ARE SCHEMATIC. ALL DROPS, RISES, OR OFFSETS REQUIRED BUT NOT SHOWN

SHALL BE PROVIDED AT NO ADDITIONAL COST TO THE OWNER.

DUCT CONNECTIONS TO SIDE WALL OR DUCT MOUNTED REGISTERS AND GRILLES SHALL BE MADE WITH RIGID DUCT. DUCT CONNECTIONS TO CEILING-MOUNTED DIFFUSERS, REGISTERS, AND GRILLES MAY BE WITH RIGID OR FLEXIBLE DUCT (CONTRACTOR OPTION). PROVIDE SMOOTH BENDS IN FLEXIBLE DUCT SECTIONS.

ALL TEMPERATURE AND HUMIDITY SENSORS (NON-SPACE ADJUSTABLE) IN PUBLIC AREAS SHALL BE MOUNTED AT 4'-10" AFF. THERMOSTATS FOR NON-PUBLIC, NON-RESIDENTIAL AREAS SHALL BE MOUNTED AT 4'-10" AFF WITH AN 18" LONG LOOP OF SURPLUS CONTROL WIRE IN WALL CAVITY TO PERMIT THE OWNER TO LOWER THE CONTROL DEVICE IN THE FUTURE IF REQUIRED FOR HANDICAP ACCESS. MOUNT THERMOSTATS AT 48" AFF IN ALL AREAS

DESIGNATED AS "ADA-HANDICAP ACCESSIBLE".

ALL DUCTWORK SHALL BE SEALED ACCORDING TO SMACNA CLASS "A". DUCTWORK SHALL BE CONSTRUCTED IN

ACCORDANCE WITH THE FOLLOWING PRESSURE CLASSIFICATIONS:

ROOFTOP AIR HANDLING AND ROOFTOP AC UNITS: ±3" W.G., ALL OTHER SUPPLY, RETURN AND EXHAUST: ±1" W.G.

DUCT CONNECTIONS TO ALL AIR HANDLING UNITS, INCLUDING FAN COIL UNITS, INLINE FANS, ETC. SHALL BE MADE USING FLEXIBLE DUCT CONNECTION. ALSO, PROVIDE FLEXIBLE DUCT CONNECTIONS WHERE DUCTWORK

CROSSES BUILDING EXPANSION JOINTS.

LOCATE CEILING AIR DIFFUSERS, REGISTERS AND GRILLES IN THE CENTER OF 2'x2' AND AT THE QUARTER POINT OF 2'x4' ACOUSTICAL TILE CEILING MODULES UNLESS SPECIFICALLY INDICTED OTHERWISE.

PIPING AND EQUIPMENT HANGERS SHALL BE SPACED IN A SYSTEMATIC RANDOM PATTERN AS REQUIRED TO ELIMINATE OVERLOADING INDIVIDUAL STRUCTURAL MEMBERS, THE ESTIMATED WEIGHT ASSIGNED TO PIPE AND EQUIPMENT HANGERS SHALL BE DETERMINED BY THE MECHANICAL CONTRACTOR AND SUBMITTED TO THE GENERAL CONTRACTOR FOR REVIEW, COORDINATION AND APPROVAL PRIOR TO INSTALLATION. THIS

REQUIREMENT APPLIES TO ALL MECHANICAL WORK, INCLUDING PLUMBING.

HEATING / COOLING DESIGN CONDITIONS: ROANOKE, VA.

WINTER - 10ºF OAT, 75ºF

SUMMER - 95ºF DB / 75ºF WB OAT; 75ºF, 50% RH INDOORS.

WHERE MORE THAN ONE TOP REGISTER IS INSTALLED IN A ROOM, THE CENTERLINE ELEVATION OF EACH

REGISTER SHALL BE THE SAME DISTANCE FROM AND LEVEL TO THE PLANE OF THE CEILING.

CONTRACTOR SHALL VISIT SITE PRIOR TO BIDS TO ACCESS ASSESS EXISTING CONDITIONS AND VERIFY EXTENT OF ABOVE CEILING SPACE FOR DUCT CONNECTIONS AND PATHWAY FOR REPLACEMENT OF EXISTING ROOF

MOUNTED EQUIPMENT.

THE ROUTING OF LARGER SIZE SUPPLY AIR DUCTS SHALL TAKE PRECEDENCE OVER SMALLER DUCTS, AND OVER RETURN AND EXHAUST AIR DUCTS. PROVIDE DUCT OFFSETS, RISES AND DROPS AS REQUIRED TO INSTALL

DUCTWORK AS CLOSELY TO THE LAYOUT SHOWN ON THESE DOCUMENTS AS POSSIBLE.

HVAC GENERAL NOTES

CONTRACTOR NOTE:

THE LISTED MANUFACTURER'S AND EQUIPMENT HAVE BEEN USED AS THE BASIS OF DESIGN OF THIS PROJECT AND ARE LISTED TO ESTABLISH A STANDARD OF QUALITY AND TO DEFINE CONNECTION AND CLEARANCE REQUIREMENTS. ALL OTHER MANUFACTURERS AND EQUIPMENT OF EQUAL OR BETTER QUALITY MAY BE ACCEPTED UPON REVIEW BY THE ENGINEER, HOWEVER, IF THESE SUBSTITUTIONS ARE MADE, THE CONTRACTOR IS REQUIRED TO COMPLY WITH ALL REQUIREMENTS OF DIVISION 1, ASSUME FULL RESPONSIBILITY FOR ALL COORDINATION ISSUES, AND SHALL SUBMIT WITH THE SHOP DRAWINGS A DETAILED DRAWING SHOWING ALL CHANGES IN THE EQUIPMENT SIZE AND LOCATION, DUCTWORK, PIPING, ELECTRICAL WIRING CONNECTIONS, CLEARANCES, ETC. IF ANY REQUIRED CHANGES INVOLVE OTHER TRADES, THE MECHANICAL SUBCONTRACTOR SHALL INCLUDE WITH THE SHOP DRAWINGS A LETTER INDICATING THAT THE OTHER TRADES HAVE BEEN ADVISED OF THE PROPOSED CHANGES AND SHALL ALSO INCLUDE A STATEMENT AS TO HOW, BY WHOM, AND THE ARRANGEMENT WHEREBY THESE CHANGES WILL BE ACCOMPLISHED. ALL ADDITIONAL COSTS AND PERFORMANCE ISSUES RESULTING FROM THE SUBSTITUTION WILL BE THE RESPONSIBILITY OF THE MECHANICAL SUBCONTRACTOR. THE SUBSTITUTED EQUIPMENT WILL NOT BE PERMITTED TO ADD ELECTRICAL

LOAD TO THE PROJECT.

** THE CONTRACTOR SHALL NOT MOVE EQUIPMENT, MATERIALS, OR TOOLS

THROUGH THE MAIN LOBBY/CORRIDOR WHILE THE BUILDING IS OCCUPIED AS

THE MAIN LOBBY/CORRIDOR IS A REQUIRED MEANS OF EGRESS FOR THE

REMAINDER OF THE BUILDING. THE CONTRACTOR SHALL COORDINATE THE

MOVEMENT OF EQUIPMENT MATERIALS OR TOOLS WITH THE OWNER TO ENSURE

THE MAIN LOBBY/CORRIDOR AND ALL EGRESS SPACES REMAIN FREE AND CLEAR

FOR EGRESS OF ALL OCCUPANTS.

NO MATERIALS, TOOLS, OR EQUIPMENT SHALL BE PLACED OR STORED IN THE

CORRIDOR WHILE THE BUIDLING IS OCCUPIED DURING THE REGULAR HOURS.

CONTRACTOR TO COORDINATE ANY REQUIRED WORK IN THE MAIN

LOBBY/CORRIDOR WITH THE BUILDING OWNER AND THE STATE FIRE MARSHAL.

1.

2.

3.

4.

5.

6.

REMARKS:

HEATING AND COOLING CAPACITIES ARE BASED ON ASHRAE'S "MEAN OF ANNUAL EXTREME" OUTDOOR AIR CONDITIONS FOR ROANOKE, VIRGINIA.

COOLING AND HEAT CAPACITY BASED ON 30% BY VOLUME PROPYLENE GLYCOL & WATER SOLUTION.

PROVIDE UNIT WITH UNIT-MOUNTED, LOCAL DISCONNECT SIZED PER NEC

PROVIDE UNIT WITH STAND-ALONE CONTROLS INCLUDING INTERNALLY INSTALLED MICRO-PROCESSOR BASED CONTROLLER WITH BACNET COMMUNICATIONS CARD.

PROVIDE UNIT WITH ROOF CURB. REFER TO STRUCTURAL DRAWINGS AND SPECIFICATIONS FOR SUPPORT DETAILS.

REFER TO SPECIFICATION SECTION 237343.16 FOR ADDITIONAL REQUIREMENTS.

1.

2.

3.

4.

5.

6.

7.

REMARKS:

UNIT(S) SHALL BE BOTTOM SUPPLY OUTLET, BOTTOM RETURN INLET, AND PROVIDED WITH A FULL CHARGE OF REFRIGERANT R-454B.

RTU(S) SHALL OPERATE UNDER THEIR OWN SAFETIES AND CONTROLS. PROVIDE UNIT(S) WITH AN INTERNALLY-MOUNTED AND WIRED, MICRO-PROCESSOR BASED CONTROLLER AND THERMOSTAT TERMINAL STRIP CONNECTOR.

PROVIDE UNIT(S) WITH A ROOF CURB, COMPLETE WITH INSULATION, WOOD NAILER AND 1/2" THICK COMPRESSION GASKET ON THE TOP EDGE OF CURB TO SEAL VOIDS AND PROVIDE MORE UNIFORM LOADING.

COORDINATE EQUIPMENT CURB HEIGHT WITH ROOFING CONTRACTOR SUCH THAT THE BASE OF THE RTU(S) IS A MINIMUM OF 18-INCHES ABOVE FINISHED ROOF SURFACE.

PROVIDE DOWNFLOW LOW LEAK ECONOMIZER WITH COMPARATIVE ENTHALPY, FAULT DETECTION AND DIAGNOSTICS, AND BARAMETRIC RELIEF.

PROVIDE RTU WITH A SINGLE-POINT, POWER DISCONNECT SWITCH SIZED PER NEC REQUIRMENTS.

REFER TO SPECIFICATION SECTION "237416.11 - PACKAGED, SMALL CAPACITY, ROOFTOP AIR-CONDITIONING UNITS" FOR ADDITIONAL REQUIREMENTS.

1.

2.

3.

REMARKS:

WATER HEATER SHALL BE NATURAL GAS-FIRED.

PROVIDE UNIT WITH 4 INCH DRAFT COLLAR AND RE-CONNECT TO EXISTING VENT.

SEE DETAIL ON SHEET M3.0 FOR SPECIFIC CONNECTION REQUIREMENTS.

RAH-D2 DUNCAN HALL, 2ND FLR 9,340 5,900 2,600 1.8 15 8,405 0.75 7 1/2 488.4 340.5 88 / 71 55 / 54.9 117 11.07 45 54.5 430 10.00 44.45 47 4.99 180 160 2 IN.-THROWAWAY MERV 8 230 3 60 76 125 5,542 TRANE CSAA021 RAH-D1 DUNCAN HALL, 1ST FLR 7,545 5,140 2,570 2.0 10 6,790 0.95 7 1/2 420.5 283.7 89 / 72 55 / 54.9 98 8.7 45 54.8 374 10.00 48.75 41 4.28 180 160 2 IN.-THROWAWAY MERV 8 230 3 60 60 90 4,446 TRANE CSAA017

MARK AREA SERVED SUPPLY

CFM

O.A. (HI)

CFM

O.A. (LO)

CFM

EXT. S.P.

(IN. W.G) MAX HP

EXHAUST

CFM

EXT. S.P.

(IN. W.G.) MAX HP TOTAL SENSIBLE

CAPACITY, MBH

E.A.T., °F

(DB / WB)

L.A.T., °F

(DB / WB) GPM MAX W.P.D.,

(FT. H2O) EWT, °F LWT, °F CAPACITY,

(MBH)

E.A.T., °F

(DB)

L.A.T., °F

(DB) GPM MAX W.P.D.,

(FT. H2O)

EWT,

( °F)

LWT,

( °F) TYPE EFFICIENCY V(ac) PH HZ MCA MOCP

SUPPLY FAN RETURN FAN COOLING CAPACITY HEATING CAPACITY FILTER ELECTRICAL

WEIGHT,

(LBS)

BASIS

OF

DESIGN

MODEL

HYDRONIC ROOF-TOP AIR HANDLING UNITS (AHU)

DWH-1 50.0 51 50,000 0.60 175 A.O. SMITH HURT-50L

NOMINAL

STORAGE (GALS)

RECOVERY AT 90

DEG F / HR

MARK

CAPACITY

GROSS INPUT,

MBH GAS UEF DRY WEIGHT, LBS BASIS OF DESIGN MODEL

COMMERCIAL DOMESTIC WATER HEATER - TANK TYPE

DHWRC-1 CSB RM. 104B DOM. HOT-WATER 10 10 CENTRIFUGAL IN-LINE 1/25 115 / 1 / 60 3250 TACO 008-IQSF6 H2O HP VOLT / PH / HZ RPMMARK LOCATION SERVICE GPM HEAD, FT TYPE MOTOR BASIS OF DESIGN MODEL

HYDRONIC PUMPS

1.

2.

REMARKS:

DHW RECIRCULATION PUMP SHALL COMPLY WITH THE ANSI / NSF 61 STANDARD.

DHW RECIRCULATION PUMP SHALL HAVE A MINIMUM 3-YEAR WARRANTY.

RTU-2 COLLEGE SERVICES BLDG. 8.5 3,190 460 1.5 3.0 2.10 -- -- -- -- -- 200.0 162.0 61.3 109.5 2-STAGE 105.1 70.7 77.7 / 66.0 54.6 / 54.2 2-STAGE 16.8 (IEER) 63.6 54 73.5 2-INCH THROWAWAY MERV 8 208 / 230 3 60 46.6 53.00 70.0 1,225 RTU-1 DUNCAN HALL ENTRANCE 3 1,200 100 1.1 3/4 0.54 18.0 61.5 68.0 95.0 2-STAGE -- -- -- -- -- 37.9 29.0 80.0 / 67.0 56.4 / 56.3 2-STAGE 13.4 (SEER2) 61.5 56 87.0 2-INCH THROWAWAY MERV 8 208 / 230 3 60 18.1 75.00 80.0 765

INPUT (kW) OUTPUT (MBH) INPUT (MBH) OUTPUT (MBH) TOTAL SENSIBLE

SUPPLY

CFM

OA

CFM

EXT S.P.

IN H20

MOTOR

HP BHP CAPACITY EAT, °F LAT, °F CONTROL CAPACITY EAT, °F LAT, °F CONTROL NET CAPACITY (MBH) EAT, °F

DB/WB

LAT, °F

DB/WB CONTROL UNIT

EFFICIENCY

CAPACITY

, MBH

EAT, °F

DB

LAT, °F

DB TYPE EFFICIENCY VOLTAGE PHASE HZ FLA MCA MOCPMARK AREA SERVED

NOMINAL

CAPACITY

(TONS)

SUPPLY FAN ELECTRIC HEATING NATURAL GAS HEATING DIRECT EXPANSION COOLING COIL HOT GAS REHEAT COIL FILTERS ELECTRICAL

WEIGHT,

LBS

PACKAGED, ROOFTOP HEAT-PUMP UNIT SCHEDULE (RTU-X)

EF-2 CARPENTRY ROOM 205 0.35 1/6 0.03 5.5 DIRECT ICF 120 1 60 2.8 34 GREENHECK SQ-90-VG EF-1 PAINT ROOM 125 0.35 1/15 0.03 5.0 DIRECT ICF 120 1 60 1.3 27 GREENHECK SQ-70-VG

V (ac) Ph Hz FLA

MARK SERVES CFM ESP

IN WG MOTOR (HP) POWER (W) MAX

SONES DRIVE TYPE

ELECTRICAL WEIGHT

(LBS)

BASIS OF

DESIGN MODEL NO

EXHAUST FANS (EF)

1.

REMARKS:

"ICF" = INLINE CENTRIFUGAL FAN.

Architecture Engineering Planning Interiors

SFCS Inc. 305 South Jefferson Street Roanoke, Virginia 24011.2003

540.344.6664 Fax 540.343.6925

www.sfcs.com

:PROJECT ENGINEER

OF

DRAWING

COMM. NO.

SHEET

DATE

REVISION DESCRIPTION

DRAWING TITLE

APPROVED BY

CHECKED BY

NO.

DRAWN BY

DATE

PROJECT ARCHITECT

PROJECT DESIGNER

PROJECT TITLE

MAY 12, 2026

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

PLAN NOTES

VIRGINIA WESTERN

COMMUNITY

COLLEGE

Project Code: 260-B5260-023 (M24VW131)

5/15/2026

12:47:02 PM

Autodesk Docs://20301.20 - VWCC Replace AHU's At Duncan and College Services/20301.20 - VWCC Duncan & Craig Hall - MECH CENTRAL.rvt

MAP

MAP

20301.20

ABBREVIATIONS,

LEGENDS, NOTES AND

SCHEDULES - HVAC

M0.0

MAP

RTU-1 TO BE PROVIDED AS ADDITIVE BID ITEM #1

RTU-2 TO BE PROVIDED AS ADDITIVE BID ITEM #2

NOTE: THIS EQUIPMENT TO BE

PROVIDED AS A PART OF

ADDITIVE BID ITEM #2.

(E) RAH-D2 (E) RAH-D1

(E)

(E) RTU-1

DUNCAN HALL ROOF

FIRST FLOOR ELEVATION = 1,103'-04"

FIRST FLOOR ELEVATION = 1,104'-0"

23 4

5 6

APPROX. ELEV. = 1,129' - 4"

EXISTING ROOF: 0.090" EPDM

FULLY ADHERED OVER 1/4" PER

FT ISO BOARD AND 1/2" GLASS

FACED GYP BOARD.

DUNCAN HALL ROOF

APPROX. ELEV. = 1,116' - 0"

EXISTING ROOF: 0.090" EPDM

FULLY ADHERED OVER 1/4" PER

FT ISO BOARD AND 1/2" GLASS

FACED GYP BOARD.

CRAIG HALL ROOF

RTU-1 REPLACEMENT

WORK TO BE PROVIDED

AS ADDITIVE BID ITEM #1

46/14ø

RAH-D1

38/14ø

32x24

2" HWS & R

3" CWS & R

2" HWS & RRAH-D2

3" CWS & R

"x2

4"

RTU-1 REPLACEMENT

WORK TO BE PROVIDED

AS ADDITIVE BID ITEM #1

Architecture Engineering Planning Interiors

SFCS Inc. 305 South Jefferson Street Roanoke, Virginia 24011.2003

540.344.6664 Fax 540.343.6925

www.sfcs.com

:PROJECT ENGINEER

OF

DRAWING

COMM. NO.

SHEET

DATE

REVISION DESCRIPTION

DRAWING TITLE

APPROVED BY

CHECKED BY

NO.

DRAWN BY

DATE

PROJECT ARCHITECT

PROJECT DESIGNER

PROJECT TITLE

MAY 12, 2026

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

DEMOLITION NOTES

VIRGINIA WESTERN

COMMUNITY

COLLEGE

Project Code: 260-B5260-023 (M24VW131)

5/15/2026

12:47:06 PM

Autodesk Docs://20301.20 - VWCC Replace AHU's At Duncan and College Services/20301.20 - VWCC Duncan & Craig Hall - MECH CENTRAL.rvt

MAP

JEB

20301.20

DUNCAN & CRAIG HALLS,

HVAC DEMOLITION PLANS

MD1.1

MAP

1/16" = 1'-0"MD1.1

DUNCAN & CRAIG HALLS, ROOF PLAN - HVAC DEMOLITION3

1 DEMOLISH AND REMOVE TO THE MINIMUM EXTENT NECESSARY THE

EXISTING MEMBRANE ROOFING AND ROOF BOARD INSULATION TO

ALLOW FOR THE REMOVAL OF THE EXISTING ROOFTOP AIR-HANDLER

RAH-D1 AND SUBSEQUENT REPLACEMENT.

DEMOLISH AND REMOVE EXISTING ROOFTOP AIR-HANDLER RAH-D1

COMPLETE. REMOVE ASSOCIATED ROOF CURB AND ATTACHMENTS.

3 DEMOLISH AND REMOVE TO THE MINIMUM EXTENT NECESSARY THE

EXISTING MEMBRANE ROOFING AND ROOF BOARD INSULATION TO

ALLOW FOR THE REMOVAL OF THE EXISTING ROOFTOP AIR-HANDLER

RAH-D2 AND SUBSEQUENT REPLACEMENT.

DEMOLISH AND REMOVE EXISTING ROOFTOP AIR-HANDLER RAH-D2

COMPLETE. REMOVE ASSOCIATED ROOF CURB AND ATTACHMENTS.

5 DEMOLISH AND REMOVE TO THE MINIMUM EXTENT NECESSARY THE

EXISTING MEMBRANE ROOFING AND ROOF BOARD INSULATION TO

ALLOW FOR THE REMOVAL OF THE EXISTING PACKAGED ROOFTOP

UNIT RTU-1 AND SUBSEQUENT REPLACEMENT.

DEMOLISH AND REMOVE EXISTING PACKAGED ROOFTOP UNIT RTU-1

COMPLETE. REMOVE ASSOCIATED ROOF CURB AND ATTACHMENTS.

7 DEMOLISH AND REMOVE TO THE MINIMUM EXTENT NECESSARY THE

EXISTING MEMBRANE ROOFING AND ROOF BOARD INSULATION TO

ALLOW FOR THE REMOVAL OF THE EXISTING ROOFTOP AIR-HANDLER

RAH-CR AND SUBSEQUENT REPLACEMENT.

DEMOLISH AND REMOVE EXISTING ROOFTOP AIR-HANDLER RAH-D2

COMPLETE. REMOVE ASSOCIATED ROOF CURB AND ATTACHMENTS.

1/8" = 1'-0"MD1.1

DUNCAN HALL, SECOND FLOOR PLAN - HVAC DEMOLITION2

9 DEMOLISH AND REMOVE EXISTING 70"x18" RETURN AIR DUCT FROM

BASE OF RAH-CR TO POINT INDICATED.

DEMOLISH AND REMOVE EXISTING CHILLED-WATER SUPPLY &

RETURN (CWS / R) AND HEATING-WATER SUPPLY & RETURN (HWS / R)

PIPING RUNOUTS TO NEAREST BRANCH ISOLATION VALVE.

11 DEMOLISH AND REMOVE EXISTING SUPPLY AIR DUCTWORK FROM

BASE OF RAH-CR TO POINT INDICATED.

13 DEMOLISH AND REMOVE EXISTING VERTICAL DUCTWORK TRANSITION

AND ASSOCIATED SUPPLY AIR DUCT TO POINT INDICATED.

14 DEMOLISH AND REMOVE EXISTING VERTICAL DUCTWORK, ELBOW

FITTING, TRANSITION AND ASSOCIATED RECTANGULAR RETURN AIR

DUCTWORK TO POINT INDICATED.

DEMOLISH AND REMOVE EXISTING CHILLED-WATER SUPPLY &

RETURN (CWS / R) AND HEATING-WATER SUPPLY & RETURN (HWS / R)

PIPING RUNOUTS TO THE MINIMUM EXTENT NECESSARY AND

REQUIRED TO ALLOW THE REMOVAL OF THE EXISTING ROOFTOP

UNIT AND SUBSEQUENT REPLACEMENT.

12 DEMOLISH AND REMOVE EXISTING ACOUSTICAL CEILING TILE AND

ASSOCIATED CEILING GRID TO THE MINIMUM EXTENT NECESSARY AND

REQUIRE TO ALLOW FOR THE REMOVAL OF DUCTWORK AND PIPING.

1/8" = 1'-0"MD1.1

DUNCAN HALL ENTRANCE, 2ND FLR PLAN - HVAC DEMOLITION1

4'4'00 8'8' 16'16'

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

4'4'00 8'8' 16'16'

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

8' 16' 32'0

2"0 1/16" = 1'-0"

5 5

4 4

6 7

AC-2

AC-1

EF-4

PAC-1

WATER HEATER VENT (ETR)

Architecture Engineering Planning Interiors

SFCS Inc. 305 South Jefferson Street Roanoke, Virginia 24011.2003

540.344.6664 Fax 540.343.6925

www.sfcs.com

:PROJECT ENGINEER

OF

DRAWING

COMM. NO.

SHEET

DATE

REVISION DESCRIPTION

DRAWING TITLE

APPROVED BY

CHECKED BY

NO.

DRAWN BY

DATE

PROJECT ARCHITECT

PROJECT DESIGNER

PROJECT TITLE

MAY 12, 2026

REPLACE AHU'S AT DUNCAN AND COLLEGE SERVICES

DEMOLITION NOTES

VIRGINIA WESTERN

COMMUNITY

COLLEGE

Project Code: 260-B5260-023 (M24VW131)

5/15/2026

12:45:45 PM

Autodesk Docs://20301.20 - VWCC Replace AHU's At Duncan and College Services/20301.20 - VWCC College Services Building - MECH CENTRAL.rvt

MAP

JEB

20301.20

CSB - ROOF AND FIRST

FLOOR, HVAC DEMOLITION

PLANS

MD1.2

MAP

1/8" =…