589A5-22-106_Replace_HVAC_Bldg_4_Drawings_05-15-24_2 of 3.pdf

CEILING DIFFUSER

EXIST..

ELEC.

EF

EP

ECC

DWG

DPT

DN

Db

DCP

CR

dB

CW

CP

CONN

COND

CHWR

CHWS

CFM

CC

BLDG

AHU

AFMS

ABV

AC

EXISTING

ELECTRICAL

EXHAUST FAN

ELECTRICAL/PNEUMATIC

ENGINEERING CONTROL CENTER

DRAWINGS

DIFFERENTIAL PRESSURE TRANSMITTER

DOWN

DECIBELS

DRY BULB TEMPERATURE, (DEGREES)

DISTRIBUTED CONTROL PANEL

CONDENSATE RETURN

COLD WATER

CONDENSATE PUMP

CONNECT

CONDENSATE

CHILLED WATER RETURN (PIPING)

CHILLED WATER SUPPLY (PIPING)

CUBIC FEET PER MINUTE

COOLING COIL

BUILDING

AIR HANDLING UNIT

AIR FLOW MEASURING STATION

ABOVE

AIR CONDITIONING UNIT

WFMD

WF

WC

Wb

VAV

VTR

VSMC

TYP

TEMP

T'STAT

SYS

SQ/FT

SPT

SPS

SPEC.

SP

SHT

RV

RM

RET

REQ'D

PRV

PSI

PL

PHC

PD

O.C.

N.O.

NO

O.L.

NC

WATER FLOW MEASURING DEVICE

WATER FILTER

WATER COLUMN

WET BULB

VARIABLE AIR VOLUME

VENT THROUGH ROOF

VARIABLE SPEED MOTOR CONTROLLER

TYPICAL

TEMPERATURE

THERMOSTAT

SYSTEM

SQUARE FEET

STATIC PRESSURE SENSOR

SPECIFICATION

STATIC PRESSURE (INCHES OF WATER)

STATIC PRESSURE TRANSMITTER

SHEET

RELIEF VENT

ROOM

RETURN

REQUIRED

PRESSURE REDUCING VALVE

POUNDS PER SQUARE INCH

PLACES

PREHEAT COIL

OVER LOAD

ON CENTERS

NORMALLY OPEN

PRESSURE DROP (FEETWATER)

NUMBER

NOISE CRITERIA

MT'D

MFG

MIN.

MECH

MAX.

MVD

LBS/HOUR

LTCP

LPS

LPR

KWH

IN

HWP

MOUNTED

KW

MANUFACTURER

MINIMUM

MECHANICAL

MAXIMUM

MANUAL VOLUME DAMPER

POUNDS PER HOUR

LOCAL TEMPERATURE CONTROL PANEL

LOW PRESSURE STEAM SUPPLY

LOW PRESSURE STEAM RETURN

KILOWATT HOUR

KILOWATT

INCHES

HOT WATER PUMP

HAND-OFF-AUTOHOA

O.A./OSA

SF

E

RAG

CD

R

S

HWR

HWS

HPR

HPS

HP

HORIZ.

HC

G.P.M.

FEET PER MINUTE

FLANGED (SEE DWG'S)

FLEXIBLE CONNECTOR

FD FLOOR DRAIN

FPM

FLNG'D

FLEX. CONN.

FLEX

FLR.

FF

EXH

FLEXIBLE

FLOOR

FINAL FILTER

EXHAUST AIR

GA.

F&T

FT

OUTDOOR AIR

SUPPLY FAN

EXHAUST CFM

RETURN AIR GRILLE

CEILING DIFFUSER

RETURN CFM

SUPPLY CFM

HEATING WATER RETURN

HEATING WATER SUPPLY

HIGH PRESSURE RETURN

HIGH PRESSURE STEAM

HORSEPOWER

HORIZONTAL

HEATING COIL

GALLONS PER MINUTE

GAGE

FLOAT AND THERMOSTATIC

FEET

BALL VALVE

P/T TEST PLUG (PRESSURE/TEMPERATURE)

MANUAL AIR VENT

PRESSURE REDUCING VALVE

SAFETY OR PRESSURE RELIEF VALVE

THREE-WAY MODULATING CONTROL VALVE

STRAIGHT-THRU TWO POSITION CONTROL VALVE

STRAIGHT-THRU MODULATING CONTROL VALVE

CIRCUIT SETTER

BALANCING VALVE

BUTTERFLY-VALVE

CHECK VALVE

GATE VALVE WITH 3/4" HOSE ADAPTER

GLOBE VALVE

ANGLE GLOBE VALVE

GATE VALVE

FLAT OVAL DUCT DOWN

FLAT OVAL DUCT UP

CEILING SUPPLY DIFFUSER W/ CFM INDICATED (FOUR WAY THROW)

LD LINEAR DIFFUSER

WITH CFM INDICATED

6"

FC

D

R

EXHAUST CEILING REGISTER OR GRILLE

FLEXIBLE CONNECTION

INCLINED DROP, IN DIRECTION OF AIR FLOW

INCLINED RISE, IN DIRECTION OF AIR FLOW

EXHAUST OR RETURN TOP REGISTER OR GRILLE (WALL TYPE)

SUPPLY TOP REGISTER OR GRILLE (WALL TYPE)

VANE TURN ELBOW & AIR SPLIT TYPE DUCT TAKE-OFF

V.D.

MANUAL VOLUME DAMPER

LOUVER

SPIN-N-TAP WITH MVD DAMPER

DOUBLE WALL SOUND

STANDARD RADIUS ELBOW

VANED ELBOW (SHORT RADIUS)

ELBOWS WITH VANES EVEN IF SYMBOL IS MISSING)

VANED ELBOW (PROVIDE ALL SQUARE OR RECTANGULAR

DUCTWORK ELBOW UNLESS NOTED OTHERWISE.

THICKNESS VANES. VANES REQUIRED IN ALL

SQUARE TYPE ELBOW WITH DOUBLE

UP

UP

7:1 RATIO FOR HIGH PRESSURE.

TRANSITION. 4:1 RATIO FOR LOW PRESSURE,

ELBOW TURNED DOWN WITH TURNING VANES

ELBOW TURNED UP WITH TURNING VANES

RETURN AIR DUCT

EXHAUST AIR DUCTDOWN

OUTSIDE AIR DUCT

SUPPLY AIR DUCTDOWN

12X10

6"0M.V.D.

RECTANGULAR DUCT (WXH)

RND DUCT TAKE OFF WITH SPIN-IN EXTRACTOR

MANUAL VOLUME DAMPER

FLEXIBLE DUCT (MAXIMUM 5'-0" IN LENGTH)

MOTORIZED DAMPER (OPPOSED BLADE) W/INTERLOCK

R

DN.

DIRECTION OF AIR FLOW

INCLINED RISE IN RESPECT TO

DIRECTION OF AIR FLOW

INCLINED DROP IN RESPECT TO

100S

MOTORIZED DAMPER (PARALLEL BLADE) W/INTERLOCK

ROOM CONTROL: THERMOSTAT, HUMIDISTATT H

T REMOTE BULB THERMOSTAT

DUCT OR PIPE THERMOSTAT (NOTE: PROVIDE 12" MINT

LENGTH IN DUCT WHEN SPACE PERMITS)

DUCT OR PIPE TEMP. SENSOR SEE NOTE ABOVE.T

H

DUCT STATIC PRESSURE SENSOR

DUCT HUMIDITY SENSOR

SP

F SMOKE DETECTOR (SEE ELECTRICAL DWGS)

SD

C HOLDING COIL IN MOTOR STARTER

CONTACT, NORMALLY OPEN (N.O.)

CONTACT, NORMALLY CLOSED (N.C.)

SWITCH

SIGNAL FROM ECC OR DCP

SIGNAL TO ECC OR DCP

SIGNAL TO FIRE ALARM SYSTEM

PRESSURE TRANSMITTERP

HIGH PRESSURE STEAM (60 PSIG & ABOVE)

HIGH PRESSURE STEAM CONDENSATE RETURN

MEDIUM PRESSURE STEAM (16 PSIG THRU 59 PSIG)

MEDIUM PRESSURE STEAM CONDENSATE RETURN

LOW PRESSURE STEAM (15 PSIG & BELOW)

LOW PRESSURE STEAM CONDENSATE RETURN

CONDENSATE PUMP DISCHARGE

HOT WATER HEATING SUPPLY

HOT WATER HEATING SUPPLY

VENT LINE

EX. PIPE TO BE REMOVED

WATER FLOW MEASURING DEVICE

THERMOMETER

STRAINER

THERMOSTATIC TRAP

FLOAT & THERMOSTATIC TRAP SET INCLUDING PIPING

ACCESSORIES (SEE STD. DETAIL)

ACCESSORIES (SEE STD. DETAIL)

INVERTED BUCKET TRAP SET INCLUDING PIPING

NEW AND EXISTING WORK ON REVISED SHEETS

POINT OF CONNECTION BETWEEN NEW

UNION

RISE OR DROP IN PIPE

SIDE CONNECTION

BOTTOM CONNECTION, 45° OR 90°

TOP CONNECTION, 45° OR 90°

ECCENTRIC REDUCER

REDUCER OR INCREASER

ANCHOR (ALSO SEE "D" DWGS)

DIRECTION OF FLOW

DIRECTION OF PIPE PITCH (DOWN)

FLEXIBLE DUCT

4.

ECCENTRIC REDUCER

CONCENTRIC REDUCER

UNION

FINISHED FLOORFIN.

NEGATIVE PRESSURE RELIEF VENTNPR

NEGATIVE PRESSURE RELIEF VENT

NPR

FIRE SMOKE DAMPERFSD

F.S.D. FIRE/SMOKE DAMPER

F.S.D.

ANCHORX

OR

NORMALLY CLOSEDN.C.

100S

10 X 8 NEW DUCT-WIDTH X DEPTH

ATTENUATING DUCT

CHILLED WATER RETURN

CHILLED WATER SUPPLY

F.D.

F.D. FIRE DAMPER

POINT OF WHERE DEMOLITION STOPS AND

EXISTING IS TO REMAIN ON DEMO SHEETS

INFORMATION CONCERNING THE LOCATION(S) AND SIZES OF EXISTING

EQUIPMENT AND PIPING WAS OBTAINED FROM EXISTING DRAWINGS AND

CURSORY FIELD OBSERVATION, HOWEVER, ACTUAL "ASBUILT" DRAWINGS WERE

NOT AVAILABLE, CERTAIN INFORMATION CONCERNING THE LOCATION OF THE

EXISTING CONDITIONS HAS BEEN ASSUMED IN THIS DRAWING. THE EXACT

LOCATION(S) AND DIRECTION OF FLOW OF ALL EXISTING EQUIPMENT, ETC., IS

UNKNOWN. REASONABLE EFFORT HAS BEEN MADE TO ACCURATELY DEPICT THE

EXISTING CONDITIONS, HOWEVER, ALL EXISTING WORK MUST BE VERIFIED IN

THE FIELD TO DETERMINE THE EXACT LOCATIONS, DIRECTIONS OF PIPE RUNS,

SIZE, ETC.. PRIOR TO STARTING CONSTRUCTION. ANY CONFLICT BETWEEN THESE

PLANS AND ACTUAL FIELD CONDITIONS SHALL BE REPORTED IMMEDIATELY TO

THE ENGINEER FOR VERIFICATION AND/OR CORRECTION.

INFORMATION CONCERNING THE LOCATION(S) AND SIZES OF EXISTING

DUCTWORK AND DIFFUSERS WAS OBTAINED FROM EXISTING DRAWINGS AND

CURSORY FIELD OBSERVATION, HOWEVER, ACTUAL "ASBUILT" DRAWINGS WERE

NOT AVAILABLE, CERTAIN INFORMATION CONCERNING THE LOCATION OF THE

EXISTING CONDITIONS HAS BEEN ASSUMED IN THIS DRAWING. THE EXACT

LOCATION(S) AND DIRECTION OF FLOW OF ALL EXISTING EQUIPMENT, ETC., IS

UNKNOWN. REASONABLE EFFORT HAS BEEN MADE TO ACCURATELY DEPICT THE

EXISTING CONDITIONS, HOWEVER, ALL EXISTING WORK MUST BE VERIFIED IN

THE FIELD TO DETERMINE THE EXACT LOCATIONS, DIRECTIONS OF DUCT RUNS,

SIZE, ETC.. PRIOR TO STARTING CONSTRUCTION. ANY CONFLICT BETWEEN THESE

PLANS AND ACTUAL FIELD CONDITIONS SHALL BE REPORTED IMMEDIATELY TO

THE ENGINEER FOR VERIFICATION AND/OR CORRECTION.

FOR GENERAL DUCT CONSTRUCTION AND PIPING CONNECTIONS SEE DETAILS ON

ALL WORK SHALL BE IN ACCORDANCE WITH THE BEST QUALITY STANDARDS OF THE

TRADE, AND SHALL CONFORM WITH ALL FEDERAL, STATE, AND LOCAL CODES AND

STANDARDS.

CONSTRUCTION DOCUMENTS SHALL BE FOLLOWED AS CLOSELY AS POSSIBLE,

HOWEVER, SYSTEMS HAVE BEEN SHOWN DIAGRAMMATICALLY AND IN SOME CASES,

ENLARGED FOR CLARITY. ANY OFFSETS, ADDITIONAL FITTINGS, AND/OR

APPURTENANCES REQUIRED TO PROVIDE A COMPLETE AND COORDINATED SYSTEM

SHALL BE BORNE BY THE CONTRACTOR.

BALANCE DAMPERS SHALL BE LOCATED AT BRANCH CONNECTION TO THE MAIN.

ALL EQUIPMENT INCLUDING BUT NOT LIMITED TO DUCTWORK, PIPING, UNIT HEATERS,

ETC. SHALL BE HUNG FROM THE TOP CHORD OF THE STRUCTURAL STEEL OR BY HANGERS

EACH MAIN DUCT PASSING THROUGH FLOOR SPACES SHALL BE FIRE DAMPERED.

ALL EXTERIOR PENETRATIONS SHALL BE WEATHER AND WATER TIGHT.

CONTRACTORS ARE TO REVIEW EXISTING STRUCTURAL AND PLANS, WITH ACTUAL

LAYOUT OF BEAMS, JOISTS, ETC. TO AVOID CONFLICT BETWEEN DUCT. ADJUST DUCT

ROUTING TO ACCEPT STRUCTURAL CONDITIONS.

ALL EXHAUST DISCHARGES AND GAS FLUES WHERE INDICATED SHALL BE LOCATED A

MINIMUM OF 25'-0" AWAY FROM OUTSIDE AND COMBUSTION AIR INTAKES UNLESS LOCAL

AND STATE CODES MANDATE ADDITIONAL DISTANCE.

WHERE WALL TYPE LOUVERS ARE INDICATED, MECHANICAL CONTRACTOR SHALL SEAL

WATER-TIGHT ALL AROUND LOUVER WITH SILICON CAULKING. CONTRACTOR SHALL

COORDINATE PAINTING REQUIREMENTS FOR LOUVERS WITH GENERAL CONTRACTOR

PRIOR TO SUBMITTING BID.

A.

B.

C.

D.

E.

F.

H.

I.

J.

K.

G.

2.

H4

H7 A

DRAWING SYMBOLS

DETAIL NUMBER

DRAWING NUMBER WHERE SHOWN

SECTION LETTER

DRAWING NUMBER WHERE DRAWN

CROSS HATCHED AREAS ARE NOT IN

CONTRACT AND ARE EXISTING TO REMAIN,

UNLESS SPECIFICALLY NOTED OR SHOWN

OTHERWISE.

E.T.R.

THIS SYMBOL SHOWS THE APPROXIMATE POINT WHERE

NEW WORK STARTS AND EXISTING IS TO REMAIN.

CONTRACTOR SHALL VERIFY ELECTRICAL CHARACTERISTICS OF ALL MECHANICAL

EQUIPMENT WITH THE ELECTRICAL CONTRACTOR PRIOR TO PLACING EQUIPMENT ON

ORDER

MECHANICAL DETAILS SHEET.

CONNECTED TO CONCRETE SLAB ABOVE AS REQUIRED.

FOR DEMOLITION THIS SYMBOL SHOW THE APPROXIMATE

POINT WHERE DEMOLITION STOPS AND EXISTING IS TO

REMAIN FOR REVISED WORK.

E.T.R. EXISTING TO REMAIN

RTU ROOF TOP UNIT

OR

1. ALL PIPING AND DUCTS IN FINISHED ROOMS OR SPACES SHALL BE

CONCEALED IN FURRED CHASE OR SUSPENDED CEILING.

2. THE FIRST FIGURE OF DUCT SIZE INDICATES DIMENSION OF FACE SHOWN

OR INDICATED. DUCT SIZES ARE NET INSIDE DIMENSIONS.

3. ACCESS PANELS IN SUSPENDED CEILINGS ARE REQUIRED FOR ALL VALVES,

TRAPS, DAMPERS, CLEANOUTS, CONTROLS, ETC.,AND SHALL BE

FURNISHED AND INSTALLED UNDER ARCHITECTURAL SPECIFICATIONS.

4. TOTAL STATIC PRESSURE NOTED IN SCHEDULES INCLUDES DUCT SYSTEM,

TERMINAL UNITS, FILTERS, COILS, ETC.

5. FOR TYPICAL STEAM, WATER & PIPING CONNECTIONS TO EQUIPMENT SEE

STANDARD DETAILS.

6. CEILING DIFFUSER SIZES SHOWN ON FLOOR PLANS ARE NECK SIZES.

7. WATER PIPE CONNECTIONS TO AIR HEATING AND COOLING COILS SHALL

BE MADE SO THERE WILL BE COUNTER FLOW BETWEEN WATER AND AIR.

8. NOT ALL DUCT OFFSETS ARE SHOWN TO AVOID OBSTACLES OR PROVIDE

SUFFICIENT ACCESS CLEARANCE. PROVIDE COORDINATED SHOP DRAWING

FOR APPROVAL BEFORE CONSTRUCTION.

9. ALL AIR DEVICES SHALL BE PROVIDED WITH VOLUME DAMPERS

REGARDLESS OF WHETHER IT IS SHOWN ON THE DRAWING. ALL AIR

DEVICES SHALL HAVE A VOLUME DAMPER. PROVIDE CABLE ACTUATED

DAMPER OR ROOMSIDE ADJUSTABLE DAMPER WHERE EILING PLENUM IS

INACCESSIBLE.

www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL SYMBOLS &

ABBREVIATIONS

4-MG-001

28REDEH

NO SCALE

NO SCALE

NO SCALE

NO SCALE

NO SCALE

NO SCALE

NO SCALE

NO SCALE

DEVICE INSTALLATION DETAIL

WATER FLOW MEASURING

"A"

"A"

HOSES SAME ELEVATION

RECOMMENDED TAP LOCATION

FOR HORIZONTAL INSTALLATION

SECTION "A-A"

MIN. UPSTREAM LENGTH

OF STRAIGHT PIPE IN

PIPE DIAMETERS. SEE

SCHEDULE BELOW.

WATER FLOW

MEASURING

DEVICE

ANY FITTING

OR VALVEMIN. DOWNSTREAM LENGTH OF STRAIGHT PIPE IN

PIPE DIAMETERS. SEE SCHEDULE BELOW.

WATER FLOW MEASURING DEVICE INSTALLATION SCHEDULE

TYPE

NO SCALE

MIN. UPSTREAM LENGTH

OF STRAIGHT PIPE IN

PIPE DIAMETERS PIPE IN PIE

MIN. DOWNSTREAM

LENGTH OF STRAIGHT

DIAMETERSFOR SIDE

TEE

FOR VALVE OR

OTHER FITTING

ORIFICE FLANGE OR

FLOATING BALL WITH

IMPACT TUBE.

VENTURI,

AUTOMATIC BALANCING

CONTROL VALVE, OR

INSERTION VELOCITY

AVERAGING AND

MEASURING TUBE

10 5

DIMENSIONS SHOWN IN SCHEDULE ARE MINIMUM REQUIRED. IF MANUFACTURER

OF FURNISHED WATER FLOW MEASURING DEVICE RECOMMENDS A GREATER

DIMENSION, USE THEIR RECOMMENDATION.

INSTALL THE WATER FLOW MEASURING DEVICE SO THE ARROW IS IN THE

SAME DIRECTION AS THE FLOW.

NOTES:

THE WATER FLOW MEASURING DEVICE MAY BE INSTALLED IN EITHER HORIZONTAL

OR VERTICAL PIPE. UNITS REQUIRING REMOTE METERS SHALL HAVE THE METER

PIPE. SEE SECTION "A-A". THE METER CONNECTIONS CAN BE INSTALLED IN

ANY POSITION WHEN INSTALLED IN VERTICAL PIPE.

1.

2.

3.

1-1/2"

INSULATION

18 GA. GALV.

OUTER SHELL

AND BASE PLATE

SECTION

RPC-1L

NOM. 2X2

P.T. NAILER

GALV.

LINER

TYPAR

BUTYL

FLASHING

TAPE

ROOF CURB

CAULK

NO SCALE

www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL DETAILS, AIR SIDE

4-MG-002

29REDEH

"A"

"A"

MIN. UPSTREAM LENGTH

OF STRAIGHT PIPE IN

PIPE DIAMETERS. SEE

SECTION "A-A"

SCHEDULE BELOW.

WATER FLOW

MEASURING

DEVICE

ANY FITTING

OR VALVEMIN. DOWNSTREAM LENGTH OF STRAIGHT PIPE IN

PIPE DIAMETERS. SEE SCHEDULE BELOW.

WATER FLOW MEASURING DEVICE INSTALLATION SCHEDULE

TYPE

MIN. UPSTREAM LENGTH

OF STRAIGHT PIPE IN

PIPE DIAMETERS PIPE IN PIE

MIN. DOWNSTREAM

LENGTH OF STRAIGHT

DIAMETERSFOR SIDE

TEE

FOR VALVE OR

OTHER FITTING

10 5 2

DIMENSIONS SHOWN IN SCHEDULE ARE MINIMUM REQUIRED. IF MANUFACTURER

OF FURNISHED WATER FLOW MEASURING DEVICE RECOMMENDS A GREATER

DIMENSION, USE THEIR RECOMMENDATION.

INSTALL THE WATER FLOW MEASURING DEVICE SO THE ARROW IS IN THE

SAME DIRECTION AS THE FLOW.

NOTES:

THE WATER FLOW MEASURING DEVICE MAY BE INSTALLED IN EITHER HORIZONTAL

OR VERTICAL PIPE. UNITS REQUIRING REMOTE METERS SHALL HAVE THE METER

CONNECTIONS LOCATED ON OR NEAR THE SIDE WHEN INSTALLED IN HORIZONTAL

PIPE. SEE SECTION "A-A". THE METER CONNECTIONS CAN BE INSTALLED IN

ANY POSITION WHEN INSTALLED IN VERTICAL PIPE.

1.

2.

3.

NO SCALE NO SCALE

AIR RELIEF LINE

6" MIN.

STEAM CONTROL

VALVE

STEAM SUPPLY

BY-PASS (2 SIZES

SMALLER THAN

MAIN LINE)

COMPLETE DRIP

COND. RETURN

F&T TRAP; DETAIL F7/MQ004

DIRT POCKET FULL

SIZE OF COIL TRAPPING

FULL SIZE

NOTE:

(FULL SIZE)

DIRT POCKET

6" MIN.

STEAM MAIN

BASE OF RISER DRIPS SIMILAR TO ABOVE

OF TRAP

FULL SIZE

5LB. DROP UNLESS OTHERWISE

BUCKET TRAP CAP 200LBS/HR @

INDICATED; DETAIL B6/MQ004

DRIP RETURN MAIN

NO SCALE

TYPICAL WATER PIPING

REDUCER, IF REQUIRED

PROVIDE HOSE CAP NUTELEVATION

WELDED PIPING

ELEVATION

THREADED PIPING

NOTES:

DRAIN ALL LOW POINTS AS INDICATED ABOVE.1.

2.

NO SCALE

REDUCER

CIRCULATING WATER

PIPING

IF AUTOMATIC AIR VENTS ARE USED,

PIPE DISCHARGE TO DRAIN.

VENT ALL HIGH POINTS AS INDICATED ABOVE.

2.

NOTES:

1.

WHERE SCALE POCKETS ARE SHOWN ON PIPE

RISER DIAGRAMS AND/OR PLANS, LOCATE

DRAIN AT BOTTOM OF SCALE POCKET.

NO SCALE

AIR VENT

VAC

BREAKER

1/4" COPPER TUBING

3/8" GATE VALVE

3/8" 4" NIPPLE

ADAPTER TO 3/4" THREAD

3/4" GATE VALVE

STEAM COIL

NOTE: FOR VERTICAL

COIL STEAM COMES

INTO TOP AND

CONDENSATE OUT

BOTTOM

NO SCALE

NO SCALE

NO SCALE

NO SCALE

1" GREATER THAN

1/2 OF FAN STATIC

PRESSURE

NOT TO SCALE

PIPE SIZE PER

MANUFACTURER. PITCH

DOWN 1/8" PER FOOT TO

FLOOR DRAIN.

RUN FULL SIZE

OF DRAIN PAN

OUTLET TO AND

INCLUDING TEE

1" GREATER THAN

FAN STATIC

PRESSURE

PIPE RUN FOR

BOTTOM DRAIN

CONFIGURATION

CLEAN OUT

PLUG

COOLING COIL

DRAIN PAN

NOTE: PIPING SHALL

BE COPPER AND A

MINIMUM OF 1-1/4"Ø.

NO SCALE

NOTE: FOR

EQUIPMENT WITH

MULTIPLE COIL

SLABS, EACH COIL

SHALL BE PIPED ASH

SHOWN ABOVE

NO SCALE

ABOVE 2" [50mm] DIA. PIPE 2" [50mm] DIA. & SMALLER

VERTICAL

2 1/2" [65mm] DIA.

ABOVE 2" [50mm] DIA. PIPE 2" [50mm] DIA. & SMALLER

HORIZONTAL

2 1/2" [65mm] DIA.

INSTALLATION OF THERMOMETER

WELLS

STEAM HUMIDIFIER -

DU

CT

H

EI

GH

T

H

1/

H 1/

H

1/

H

STEAM

CONDENSATE

RETURN

TEMPERATURE SWITCH

SCALE POCKET

HUMIDIFIER

CONTROL VALVE

TO HUMIDISTAT

MANIFOLD PIPE ADAPTERS

STEAM SUPPLY

ON-OFF CONTROL VALVE DUCT CROSS SECTION

6" M

IN

PIPING CONNECTIONS (MULTIPLE DISPERSION TUBES)

INVERTED

BUCKET TRAP

ASSEMBLY

SEE

MANUFACTURER'S

PIPING

RECOMMENDATIONS

FOR FINAL LAYOUT

NO SCALE

[1 m m

ULTRA SONIC

METER;

TYPICAL

PIPE

ON HORIZONTAL PIPE, SENSOR NOT ALLOWED TO BE

MOUNTED ON TOP OF THE PIPE. USE THE 2:00, 4:00, 8:00, OR

10:00 POSITIONS

OR ELBOW

2"

2"

LAST

CONNECTION ON

LINE

www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL DETAILS, AIR SIDE

4-MG-003

30REDEH

PIPE/DUCT PENETRATION OF SMOKE BARRIERS

1" 1"

6" 6"

6" 6"

6" 6"

SE

E

NO

TE

SEE NOTE 3

SEE NOTE 2

SEE NOTE 1

NO SCALE

5 3 2

1. RETURN AIR DAMPER

2. OUTSIDE AIR DAMPER

3. BEFORE FILTER

4. AFTER FILTER

5. STEAM PRE-HEAT COIL

6. UV LIGHTS

7. CHILLED WATER COOLING COIL

8. SUPPLY AIR FAN

9. SUPPLY AIR DISCHARGE

NO SCALE

NO SCALE

www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL DETAILS

4-MG-004

31REDEH

WALL

PRESSURE PLATE

BOLT

BASIS OF DESIGN: LINK SEAL

ELASTOMERIC SEAL ELEMENT

LS MODEL (C, L, S-316, O, OS-316, T)

LS Model Seal Element Bolts/Nuts Pressure Plate C EPDM (Black) Zinc Dichromate/Organic Coated Carbon Steel Bolt Reinforced Nylon Polymer L EPDM (Blue) Zinc Dichromate/Organic Coated Carbon Steel Bolt Reinforced Nylon Polymer O Nitrile Zinc Dichromate/Organic Coated Carbon Steel Bolt Reinforced Nylon Polymer T Silicone Zinc Dichromate/Organic Coated Carbon Steel Bolt Steel Zinc Dichromate (C,L,O)+S-316 (see model options) 316 Stainless Steel Reinforced Nylon Polymer

Sleeve Model Description Material CS Century-Line Sleeve HDPE WS Steel Wall Sleeve Steel

CAST / CORE DRILLED HOLE

TYPICAL WATER CONNECTIONS TO

H.W. HEATING CONVERTOR DETAIL

GATE VALVE (TYP)

TEMPERATURE SENSOR AND

TRANSMITTER

ASME RATED PRESSURE

RELIEF VALVE PIPE DISCHARGE

TO FLOOR DRAIN

HWS

GAUGE COCK (TYP)

CONVERTOR

UNION (TYP)

HWR

T

SEE DETAIL E/MQ006 FOR STEAM

AND CONDENSATE PIPING

TO FLOOR DRAIN

NO SCALE

HEATING CONVERTOR DETAIL

TYPICAL STEAM CONNECTIONS TO H.W.

CONVERTOR

CONTROL VALVE

SIZE AS

BUCKET TRAP

VACUUM BREAKER

AUTO AIR VENT

STRAINER (TYP); WITH HOSE END

BLOW DOWN VALVE; TYPICAL

ECCENTRIC REDUCER (TYP)GLOBE VALVE BYPASS SAME

STEAM MAIN

CONDENSATE

RETURN

(TYPICAL)

UNION

CONTROL VALVE

(TYPICAL)

GATE VALVE

1/3 CAPACITY

2/3 CAPACITY

2/3 CAPACITY

SEE DETAIL

K/MQ006

FOR WATER PIPING

NO SCALE

www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL DETAILS

4-MG-005

32REDEH

T- 1 15

T-2

C O

IL

C

O O

LI

N

G C

H R

D

V-2

C H

P

VSMC

E

T-5

P

AF

TE

R

FI

LT

ER

SPS-1 SD-1

SUPPLY

FAN

LOCATE OUTSIDE

UNDER SHIELD

1 3 4 5 6 7 8 9 10 11 12 13 14

A B C D E F G

INPUT

DCP

OUTPUT

(DDC)

CONTROL SCHEMATIC AHU- B1

VPS

AF

M

S M

A

D-1

NO SCALE

2-WAY

VALVE

OUTSIDE AIR

FR-1

T-4

LOCATE ON

EXTERIOR OF

BUILDING.

COORDINATE

WITH COR.

H-1

G

M

BSMT FLOOR

FSD-1

H-3

ST

EA

M H

U M

ID

IF

IE

R

LP

SV-3

Air Handling Unit B-1

A. General:

1. Unit is normally started and stopped by the DCP or remotely at the ECC. H-O-A switch shall be kept in the “AUTO” position. “HAND” and “OFF” shall be used only for maintenance. When unit is commanded to stop, motorized dampers D-1, FSD-1 and FSD-2 shall be fully closed. When unit is commanded to run, dampers FSD-1 and FSD-2 shall be fully open, and damper D-1 shall open to minimum position unless in economizer mode.

2. Fan shall operate continuously during occupied mode.

B. Air Flow Control

1. On start-up the supply fans shall be ramped up to speed to prevent over pressuring the duct.

2. The supply air flow shall be controlled by the DCP modulating supply fan variable speed motor controller

(VSMC) to maintain the duct static pressure setpoint (set at 1.25 inches static pressure adjustable) as sensed by SPS static pressure sensor (see plans for location - the discharge static sensor shall be mounted 2/3rds down the supply duct.). Fan speed shall not be allowed to drop below 2,500 CFM output minimum air flow.

2. The DCP using high pressure sensor SPS-1 located at the supply fan discharge shall prevent the supply fan from developing over 4.0” w.g. of static pressure. If static pressure at SPS-1 exceeds 4.0” w.g. supply fan shall shut “OFF” and an alarm sent. If static pressure at SPS-1 falls below 0.35” w.g. an alarm shall be sent.

3. The minimum OA shall be set to 500 cfm.

4. Outside air, supply air, and return air flow shall be measured by an air flow measuring station located in the respective ducts/unit.

C.Filters

1. Pre-filter differential pressure shall be monitored at the DCP terminal in addition to local manometer, service notice shall be displayed with differential pressure exceeds 0.65” wg., alarm shall sound if differential pressure exceeds 1.0” wg.

2. Before-filter differential pressure shall be monitored at the DCP terminal in addition to local manometer, service notice shall be displayed with differential pressure exceeds 0.65” wg., alarm shall sound if differential pressure exceeds 1.0” wg.

3. After-filter differential pressure shall be monitored at the DCP terminal in addition to local manometer, service notice shall be displayed with differential pressure exceeds 1.25” wg., alarm shall sound if differential pressure exceeds 1.5” wg.

D. Heating, Economizer, and Cooling

1. Pre-Heat Mode: Steam IFB steam preheat coil 2-way control valve (no) shall be modulated in sequence with face and bypass damper to maintain average coil discharge temperature same as the MA Temp Setpoint minus 2°F (adj.). Should coil discharge temperature fall below 35f or rise above 55f, alarm shall sound at the DCP terminal. Should discharge air temperature fall below 35f (adj) the steam valve shall open 100% and bypass damper shall fully close and the dampers will be 100% face, and second alarm notification shall sound. Preheat will be locked out above 50°F OA (adj.) temp and the dampers shall go to full bypass.

2. Economizer Mode: Below 55°F OA Temp

a. The DA Temp Control Loop shall modulate the economizer to maintain DA Temp Setpoint. A Mixed Air

Lo Limit Loop shall prevent the MA Temp from dropping below the MA Setpoint. The MA Setpoint shall be the same as the DA Setpoint minus 2°F (adj.) If the unit does not have a preheat coil the Mixed Air Lo Limit Loop shall be capable of overriding the minimum position. This is to prevent the unit from tripping off on the Low Limit Safety.

b. Preheat coil: The minimum position shall not be overridden by the Mixed Air Lo Limit Loop. The preheat coil will modulate to maintain the PH Temp at the preheat setpoint. The PH Temp setpoint shall be the same as the MA Temp Setpoint minus 2°F (adj.) The control loop shall be sequenced so that the economizer is at minimum position before the preheat valve is opened.

c. Chilled Water will be locked out below 50°F OD Temp.

d. Preheat if equipped will be locked out. Above 50°F OD Temp.

3. Combined Chilled Water Economizer Mode:

a. When OA Temp is suitable for free cooling OA Temp below 68 to 72°F dry bulb and enthalpy below

22-24 BTU\LB Note: Comparing OA and RA enthalpy and using the air that contains the least amount of total heat is also acceptable.

b. The DA Temp Control Loop shall modulate the economizer to maintain DA Temp Setpoint. If the economizer is at 100% and the DA Temp is above setpoint the Chilled Water Valve will modulate to meet the DA Temp Setpoint. The economizer shall be 100% open before the chilled water valve is allowed to open.

c. Preheat will be locked out.

4. Chilled Water Mode:

a. When OA Temp is no longer suitable for free cooling. OA Temp above 68 to 72°F dry bulb or enthalpy above 22-24 BTU\LB, the chilled water-cooling coil 2-way control valve (nc) shall be modulated to maintain coil discharge temperature at its setting of 55of. Supply air temperature shall be monitored at the operator's terminal. Should discharge air temperature deviate from set point by 5f, an alarm shall sound at the ECC terminal.

b. OA Dampers will be at minimum position.

c. Preheat will be locked out.

E. Humidifier

1. Supply air duct humidity sensor shall modulate 2-way steam humidifier control valve (nc) to maintain supply air humidity at 45% rh. Supply air humidity shall be monitored at the DCP and ECC. Should discharge relative humidity exceed 90% rh alarm shall be sound at the DCP and ECC, humidification shall be discontinued. Should exhaust air humidity fall below 25% rh, alarm shall sound at the DCP and ECC.

2. DCP shall close valve V-3 whenever the supply fan is off. Valve V-4 shall be interlocked with a temperature switch to keep the humidifier off until condensate temperature approaches steam temperature.

3. Should high level condensate be detected in the drain pan, steam control valve shall close, and alarm shall sound at the DCP and ECC.

F. RA Humidity Control Sequence

1. The DA Temp setpoint shall be reset to lower the setpoint on rise in RA Humidity. Per ASHRAE the setpoint shall not exceed 65 %RA. Setpoint may be lower for comfort reasons. VAV reheat will modulate to maintain desired supply temp.

G. Freeze Protection

1. If the air temperature as sensed by T-3 falls below 40f, an alarm signal shall be indicated at the DCP and ECC. If this temperature falls below 35f, the unit supply fan shall shut “OFF” and damper D-1 shall fully close and damper D-2 shall be 100% face, valve V-1 and V-2 shall fully open. A critical alarm shall be indicated at the DCP and ECC.

H. Safeties, Interlocks:

1. If the fire alarm panel or duct mounted smoke detectors indicate a fire or smoke the fans will be disabled and the AHU will be in its Unoccupied/ Disabled Mode and fire/smoke dampers shall close.

a. When smoke is detected by duct smoke detectors an alarm shall be transmitted to the fire alarms system.

b. Supply fan shall restart, and fire/smoke dampers shall open when fire alarm circuit is reset.

2. If the manual reset high- or low-pressure safeties trip the fans will be disabled and the AHU will be in its Unoccupied/ Disabled Mode.

I. Emergency Constant Speed Operation

1. On all VSMC fans in VAV systems upon failure of the VSMC the fans shall be started/stopped manually at the CDP or the ECC through the by-pass starter. Fans shall then be operated at the constant design speed.

General Information A. All values shall be adjustable.

B. Existing floor plan graphics and associated equipment relationships shall be updated to reflect as-built conditions.

C. Coordinate all controls, sequences, and points list with Johnson Controls, the local VA Facility vendor, the COR, and VA maintenance personnel.

P

BE

FO

R E

FI

LT

ER

17 18 19

SPS-3

MB

D-3

RETURN AIR

T-3PR

EH

EA

T

ST

EA

M

CO

IL

M

C

D-2

LP

S

H

V-1

C R

H-2

CO-2

VPS

AF

M

S

T-6

SD-2

SA-2

M FSD-2

U V

LI

G

H T

U V

LI

G

H T

20 21 22 23 24

F

H-5

SPS-4

WALL WALL

V-4

M

H

D-4

H

RELIEF AIR

IN CRAWLSPACE

FOR VENTILATION

DUCT

VPS

AF

M

S www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL CONTROLS

SCHEMATIC AHU-B1

4-MG-006

33REDEH

NOTES: 1. SIGNAL VIA UNIT-MOUNTED PITOT TUBE. SEE DETAIL.

2. SEE PLANS FOR T'STAT AND TERMINAL UNIT LOCATIONS.

3. EXISTING FLOOR PLAN GRAPHICS AND ASSOCIATED

EQUIPMENT RELATIONSHIPS SHALL BE UPDATED TO

REFLECT AS BUILT CONDITIONS.

VOLUME REHEAT SYSTEMS

VARIABLE AIR

AHU-B1

SUPPLY FAN

SUPPLY AIR

RETURN AIR

MIXED AIR

PREHEAT COIL

BEFORE FILTER

AFTER FILTER

DAMPERS (RET/MIXED AIR/RELIEF)

OUTSIDE AIR

HUMIDITY SENSORS

M

ED

IC

AL

G

AS

ES

LE

AK

D

ET

EC

TI

ON

SM

OK

E

DE

TE

CT

IO

N/

FI

RE

A

LA

RM

PU

M

P

FA

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UR

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LOCATION:SERVICE:

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M

PE

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PO

SI

TI

ON

SU

PP

LY

A

IR

T

EM

PE

RA

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BASEMENT

HUMIDIFIER, STEAM

PRE-FILTER

TOPEKA VAMC

BUILDING 4

AHU- B1

PLANT COOLING COIL

STATIC PRESSURE

TEMPERATURE SENSORS

HU

M

ID

IF

IE

R

VA

LV

E

PO

SI

TI

ON

RE

-H

EA

T

CO

IL

V

AL

VE

P

OS

O.

A.

D

AM

PE

R

PO

SI

TI

ON

AIR MEASURING STATIONS

FIRE SMOKE DAMPERS

www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL CONTROLS

POINTS LIST AHU-B1

4-MG-007

34REDEH

CONTROL SCHEMATIC PENTHOUSE UNITS 1-1, 1-2, 2-1, & 2-2

Rooftop Units 1-1, 1-2, 2-1, & 2-2

A. General:

1. Unit is normally started and stopped by the DCP or remotely at the ECC. H-O-A switch shall be kept in the “AUTO” position. “HAND” and “OFF” shall be used only for maintenance. When unit is commanded to stop, motorized dampers D-1, D-2, D-5, FSD-1 and FSD-2 shall be fully closed. When unit is commanded to run, dampers FSD-1 and FSD-2 shall be fully open, and damper D-1 shall open to minimum position unless in economizer mode.

2. Fan shall operate continuously during occupied mode.

B. Air Flow Control

1. On start-up the supply fans shall be ramped up to speed to prevent over pressuring the duct.

2. The supply air flow shall be controlled by the DCP modulating supply fan variable speed motor controller

(VSMC) to maintain the duct static pressure setpoint (set at 1.25 inches static pressure adjustable) as sensed by SPS static pressure sensor (see plans for location - the discharge static sensor shall be mounted 2/3rds down the supply duct.). Fan speed shall not be allowed to drop below 2,500 CFM output minimum air flow.

3. The DCP using total supply air and return air flow signals shall reset the return fan vsmc to maintain a constant cfm difference between the cfm for the supply fan and the cfm for the return fan.

4. The DCP using high pressure sensor SPS-1 located at the supply fan discharge shall prevent the supply fan from developing over 4.0” w.g. of static pressure. If static pressure at SPS-1 exceeds 4.0” w.g. supply fan shall shut “OFF” and an alarm sent. If static pressure at SPS-1 falls below 0.35” w.g. an alarm shall be sent.

5. The minimum OA shall be set to 500 cfm.

6. Outside air, supply air, and return air flow shall be measured by an air flow measuring station located in the respective ducts/unit.

C. Filters

1. Pre-filter differential pressure shall be monitored at the DCP terminal in addition to local manometer, service notice shall be displayed with differential pressure exceeds 0.65” wg., alarm shall sound if differential pressure exceeds 1.0” wg.

2. Before-filter differential pressure shall be monitored at the DCP terminal in addition to local manometer, service notice shall be displayed with differential pressure exceeds 0.65” wg., alarm shall sound if differential pressure exceeds 1.0” wg.

3. After-filter differential pressure shall be monitored at the DCP terminal in addition to local manometer, service notice shall be displayed with differential pressure exceeds 1.25” wg., alarm shall sound if differential pressure exceeds 1.5” wg.

D. Heating, Economizer, and Cooling

1. Pre-Heat Mode: Steam IFB steam preheat coil 2-way control valve (no) shall be modulated in sequence with face and bypass damper to maintain average coil discharge temperature of 45f (adj). Should coil discharge temperature fall below 35f or rise above 55f, alarm shall sound at the DCP terminal. Should discharge air temperature fall below 35f (adj) the steam valve shall open 100% and bypass damper shall fully close, and the dampers will be 100% face, and second alarm notification shall sound. Preheat will be locked out above 50°F OD Temp. and the dampers shall go to full bypass.

2. Economizer Mode: Below 55°F OA Temp

a. The DA Temp Control Loop shall modulate the economizer to maintain DA Temp Setpoint. A Mixed Air

Lo Limit Loop shall prevent the MA Temp from dropping below the MA Setpoint. The MA Setpoint shall be the same as the DA Setpoint minus 2°F (adj.) If the unit does not have a preheat coil the Mixed Air Lo Limit Loop shall be capable of overriding the minimum position. This is to prevent the unit from tripping off on the Low Limit Safety.

b. Preheat coil: The minimum position shall not be overridden by the Mixed Air Lo Limit Loop. The preheat coil will modulate to maintain the PH Temp at the preheat setpoint. The PH Temp setpoint shall be the same as the MA Temp Setpoint minus 2°F (adj.) The control loop shall be sequenced so that the economizer is at minimum position before the preheat valve is opened.

c. Chilled Water will be locked out below 50°F OD Temp.

d. Preheat if equipped will be locked out. Above 50°F OD Temp.

3. Combined Chilled Water Economizer Mode:

a. When OA Temp is suitable for free cooling OA Temp below 68 to 72°F dry bulb and enthalpy below

22-24 BTU\LB Note: Comparing OA and RA enthalpy and using the air that contains the least amount of total heat is also acceptable.

b. The DA Temp Control Loop shall modulate the economizer to maintain DA Temp Setpoint. If the economizer is at 100% and the DA Temp is above setpoint the Chilled Water Valve will modulate to meet the DA Temp Setpoint. The economizer shall be 100% open before the chilled water valve is allowed to open.

c. Preheat will be locked out.

SPS-3

1ST FLOOR

H-5

T-ROOM

1 2 3 4 5 6 7 8 9 10 11 12 13 14

A B C D E F G I

INPUT

DCP

OUTPUT

(DDC)

H

16 17 18 19 20 21 22 23

J

24 25 26 27 28 29 30 31

SPS-3

2ND FLOOR

H-5

T-ROOM

1ST FLOOR 1ST FLOOR

2ND FLOOR 2ND FLOOR

SPS-4

SPS-4

1ST FLOOR

2ND FLOOR

C O

IL

PL

AN

T

C O

O

LI

N G

C H

R

F

V-2

C H

P

VSMC

G

T-5

P

AF

TE

R

FI

LT

ER

SPS-1 F

SUPPLY

FAN

SD-1

2-WAY

VALVE

P

P

C6

PR

E-

FIL

TE

R

M

PS

T-2 PR

EH

EA

T

ST

EA

M C

O

IL

VPS

AF

M

S

ME

D-4

M

D

D-3

OUTSIDE AIR

LOUVER

FR-1

H-1

M

B

D-12

M

A

D-1

MAX O

A

MIN OA

VPS

AF

M

S

T-6

RELIEF AIR

LOUVER

H-4

M

K

D-5

T-3

P

VSMC

J

RETURN

FAN

U V

LI

G

H T

G R

ID

U V

LI

G

H T

G R

ID

T-4

CO2

F

SD-2

V-1

2-WAY

VALVE

C R

M

I

FSD-1 PENT. UNIT 1-1

1ST FLOOR C WING SA

VPS

AF

M

S

PENT. UNIT 1-2

1ST FLOOR WINGS A & B SA

PENT. UNIT 2-1

2ND FLOOR C WING SA

PENT. UNIT 2-2

2ND FLOOR WINGS A & B SA

PENT. UNIT 1-1

1ST FLOOR C WING RA

PENT. UNIT 1-2

1ST FLOOR WINGS A & B RA

PENT. UNIT 2-1

2ND FLOOR C WING RA

PENT. UNIT 2-2

2ND FLOOR WINGS A & B RA

BE

FO

R E

FI

LT

ER

H-3

M

FSD-2 17

SPS-2

TYPICAL

TYPICAL

PENT. UNIT 1-1 & PENT. UNIT 1-2

WALL

DUCT

WALL

WALL

DUCT

WALL

PENT. UNIT 2-1 & PENT. UNIT 2-2

1. Chilled Water Mode:

a. When OA Temp is no longer suitable for free cooling. OA Temp above 68 to 72°F dry bulb or enthalpy above 22-24 BTU\LB, the chilled water-cooling coil 2-way control valve (nc) shall be modulated to maintain coil discharge temperature at its setting of 55of. Supply air temperature shall be monitored at the operator's terminal. Should discharge air temperature deviate from set point by 5f, an alarm shall sound at the ECC terminal.

b. OA Dampers will be at minimum position.

c. Preheat will be locked out.

E. Humidifier

1. Supply air duct humidity sensor shall modulate 2-way steam humidifier control valve (nc) to maintain supply air humidity at 45% rh. Supply air humidity shall be monitored at the DCP and ECC. Should discharge relative humidity exceed 90% rh alarm shall be sound at the DCP and ECC, humidification shall be discontinued. Should exhaust air humidity fall below 25% rh, alarm shall sound at the DCP and ECC.

2. DCP shall close valve V-3 whenever the supply fan is off. Valve V-4 shall be interlocked with a temperature switch to keep the humidifier off until condensate temperature approaches steam temperature.

3. Should high level condensate be detected in the drain pan, steam control valve shall close, and alarm shall sound at the DCP and ECC.

F. RA Humidity Control Sequence

1. The DA Temp setpoint shall be reset to lower the setpoint on rise in RA Humidity. Per ASHRAE the setpoint shall not exceed 65 %RA. Setpoint may be lower for comfort reasons. VAV reheat will modulate to maintain desired supply temp.

G. Freeze Protection

1. If the air temperature as sensed by FR-1 falls below 40f, an alarm signal shall be indicated at the DCP and ECC. If this temperature falls below 35f, the unit supply fan shall shut “OFF” and damper D-1 and D-2 shall fully close and damper D-3 shall be 100% face, valve V-1 and V-2 shall fully open. A critical alarm shall be indicated at the DCP and ECC.

H. Safeties, Interlocks:

1. If the fire alarm panel or duct mounted smoke detectors indicate a fire or smoke the fans will be disabled and the AHU will be in its Unoccupied/ Disabled Mode and fire/smoke dampers shall close.

a. When smoke is detected by duct smoke detectors an alarm shall be transmitted to the fire alarms system.

b. Supply fan shall restart, and fire/smoke dampers shall open when fire alarm circuit is reset.

2. If the manual reset high- or low-pressure safeties trip the fans will be disabled and the AHU will be in its Unoccupied/ Disabled Mode.

I. Emergency Constant Speed Operation

1. On all VSMC fans in VAV systems upon failure of the VSMC the fans shall be started/stopped manually at the CDP or the ECC through the by-pass starter. Fans shall then be operated at the constant design speed.

General Information A. All values shall be adjustable.

B. Existing floor plan graphics and associated equipment relationships shall be updated to reflect as-built conditions.

C. Coordinate all controls, sequences, and points list with Johnson Controls, the local VA Facility vendor, the COR, and VA maintenance personnel.

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K www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL CONTROLS

SCHEMATIC RTUS 1-1, 1-2, 2-1, 2-2

4-MG-008

35REDEH

NOTES: 1. SIGNAL VIA UNIT-MOUNTED PITOT TUBE. SEE DETAIL.

2. SEE PLANS FOR T'STAT AND TERMINAL UNIT LOCATIONS.

3. EXISTING FLOOR PLAN GRAPHICS AND ASSOCIATED

EQUIPMENT RELATIONSHIPS SHALL BE UPDATED TO

REFLECT AS BUILT CONDITIONS.

VOLUME REHEAT SYSTEMS

VARIABLE AIR

PENT. UNITs 1-1, 1-2, 2-1, & 2-2

SUPPLY FAN

RETURN FAN

SUPPLY AIR

RETURN AIR

MIXED AIR

PREHEAT COIL

PRE-FILTER

AFTER FILTER

DAMPERS (RET/MIXED AIR/RELIEF)

OUTSIDE AIR

HUMIDITY SENSORS

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TOPEKA VAMC

BUILDING 4

PENT. UNIT'S 1-1, 1-2, 2-1, & 2-2

PLANT COOLING COIL

FLOOR STATIC PRESSURE

FLOOR HUMIDITY SENSOR

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www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITURA CORPORATION

9880 Westpoint Drive, Suite #400 Indianapolis, IN 46256-3384

PH: (317) 348-1000

POC: Michael Conly, AIA, NCARB, President

MECHANICAL CONTROLS

POINTS LIST RTU 1-1, 1-2, 2-1, 2-2

4-MG-009

36REDEH

HEATING HOT WATER PUMP CONTROLS

H4P-1

EXPANSION TANK

DDC CONTROLLER

O.A.T

STEAM

CONTROL VALVE

CONVERTOR

SENSOR

T GAGE

DPS

TO STAND ALONE

PANEL

DPS

GAGEH4P-2

HWH HWH

AIR SEPARATOR

Heating Water Controls A. Convertor Control

1. When pumps 4-HP1 or 4-HP2 are in operation, the steam control valve V-1 shall modulate to maintain the water supply temperature at the control point (180 deg. F.)

2. The water supply temperature shall be reset inversely with the outdoor air temperature as:

a. When O.A. temperature is 65 deg. F, water temperature to be 120 deg. F.

b. When O.A. temperature is 22 deg. F, water temperature to be 180 deg. F.

B. Heating Pumps

1. Pumps 4-HP1 and 4-HP2 shall be started and stopped by hand-off-auto switch in the starter, and when in the auto position by the DCP or remotely by the ECC.

2. When the pump starts, the convertor controls shall be energized.

3. In auto position, pump speed is controlled by DDC to maintain set differential pressure as sensed by the differential pressure sensor located at the top of the riser. The two pumps shall be alternated and staged on depending on the demand when the load is sensed through the VFD interface on the two pumps drop below 40% per pump, one pumps will be de-energized with one pump running if the load on one pump exceeds 95 % of the full load for a period of 10 minutes, the second pump is energized.

4. Temperature transmitter in the hot water leaving the convertor shall, through the DCP, modulate convertor steam valve in parallel to maintain the supply temperature control point, provided pump runs.

5. The DDC shall monitor rpm and gpm of the pumps and shall not allow operation of the pumps at or beyond their published “End of Curve”. Upon sensing an end of curve condition, via a pump curve equation, the next pump will be staged ON.

6. Alarm on pump failure detected via current sensing switch. Upon failure of pump, next lag pump starts automatically.

7. The VFD will have a very low minimum speed setting 25% speed to eliminate any dead-head situation.

8. Alarm on pump failure detected via current sensing switch. Upon failure of pump, next lag pump starts automatically.

9. Pump failure response:

1. If lead pump is enabled but status is not proved for 30 seconds

a. Lag pump enables

b. Lead pump remains enabled

c. Non-latching pump failure alarm is generated for lead pump

2. If lag pump is enabled but status is not proved for 30 seconds

a. Lead pump remains enabled

b. Lag pump remains enabled

c. Non-latching pump failure alarm is generated for lag pump

10. Lead pump designation rotation

1. Lead pump designation will be rotated via a user adjustable schedule, initially set to rotate the 4th Tuesday of each month at 9 am.

2. During rotation, outgoing lead pump remains enabled for 1 minute after incoming lead pump is enabled. During this period, they will receive the same speed signal.

Cooling Water Controls (Pumps 4-CHP1 & 4-CHP2) A. The secondary chilled water pumps are energized through action of H-O-A switch located on the VFD cover when in hand position and by DDC when in auto position. In hand position, pump motor speed is controlled by manual switch.

B. In auto position, pumps shall be allowed to operate when the chilled water supply main has a water temperature of 50f or lower.

C. Pump speed is controlled by DDC to maintain set differential pressure as sensed differential pressure is located at the top of the riser. The two pumps shall be alternated and staged on depending on the demand when the load is sensed through the VFD interface on the two pumps drop below 40% per pump, one pump will be de-energized with one pump running if the load on one pump exceeds 95 % of the full load for a period of 10 minutes, the second pump is energized.

D. The DDC shall monitor rpm and gpm of the pumps and shall not allow operation of the pumps at or beyond their published “End of Curve”. Upon sensing an end of curve condition, via a pump curve equation, the next pump will be staged ON.

E. The VFD will have a very low minimum speed setting 0-5% speed to eliminate any dead-head situation.

F. Alarm on pump failure detected via current sensing switch. Upon failure of pump, next lag pump starts automatically.

G.Pump failure response:

1. If lead pump is enabled but status is not proved for 30 seconds

a. Lag pump enables

b. Lead pump remains enabled

c. Non-latching pump failure alarm is generated for lead pump

2. If lag pump is enabled but status is not proved for 30 seconds

a. Lead pump remains enabled

b. Lag pump remains enabled

c. Non-latching pump failure alarm is generated for lag pump

H. Lead pump designation rotation

1. Lead pump designation will be rotated via a user adjustable schedule, initially set to rotate the 4th Tuesday of each month at 9 am.

2. During rotation, outgoing lead pump remains enabled for 1 minute after incoming lead pump is enabled. During this period, they will receive the same speed signal.

General Information

A. All values shall be adjustable.

B. Existing floor plan graphics and associated equipment relationships shall be updated to reflect as-built conditions.

C. Coordinate all controls, sequences, and points list with Johnson Controls, the local VA Facility vendor, the COR, and VA maintenance personnel.

CHILLED WATER PUMP CONTROLS

4-2HP-1

EXPANSION TANK

DDC CONTROLLER

O.A.T

SENSOR

T GAGE

DPS

TO STAND ALONE

PANEL

DPS

GAGE4-CHP-2

CHS CHS

AIR SEPARATOR

NOTES: EXISTING FLOOR PLAN GRAPHICS AND ASSOCIATED EQUIPMENT

RELATIONSHIPS SHALL BE UPDATED TO REFLECT AS BUILT CONDITIONS.

CHILLED WATER AND

HEATING WATER

SYSTEMS

CHILLED WATER PUMPS

4-CHP1 PUMP

4-CHP2 PUMP

4-CHP1 VFD

4-CHP2 VFD

FLOW METER FM-1

FLOW METER FM-2

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BASEMENT

DIFFERENTIAL PRESSURE SWITCH DPS-1

TOPEKA VAMC

BUILDING 4

COOLING AND HEATING

SYSTEMS

TEMPERATURE SENSOR TS-1

TEMPERATURE SENSOR TS-2

HEATING WATER PUMPS

4-HP1 PUMP

4-HP2 PUMP

4-HP1 VFD

4-HP2 VFD

FLOW METER FM-1

FLOW METER FM-2

DIFFERENTIAL PRESSURE SWITCH DPS-1

TEMPERATURE SENSOR TS-1

TEMPERATURE SENSOR TS-2

HEAT EXCHANGER HX-1

STEAM PRESSURE SP-1

STEAM CONTROL VALVE V-1

V-1 www.daengineering.com www.daengineering.com voice (317) 464-9090 2707 Rand Road Indianapolis, Indiana 46241 fax (317) 464-9393

Mechanical, Electrical, and Energy Engineering

DESIGN-AIRE ENGINEERING, INC.

CONSULTANTS: ARCHITECT/ENGINEERS:

Revisions: Date:

Drawing Title

VA Health Care System Approval:

Project Title

Location

Date Checked Drawn

Project Number

Building Number

Drawing Number

Drawing # of

Veterans Health

Administration

05-15-2024

CONSTRUCTION DOCUMENTS

DESIGN REPLACE HVAC &

ASSOCIATED COMPONENTS

589A5-22-106

COLMERY-O'NEIL VAMC

2200 SW GAGE BLVD. - TOPEKA, KS 66622

FULLY SPRINKLERED

ARCHITUR…