DCCTO25-ADDENDUM_1_V2.pdf

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NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:54 :11

P M

HVAC OPTION PLANS

G1.2 15749.000

Au tho r

SCALE: 1/8" = 1'-0"5 TO-25 BASE- SECOND LEVEL

SCALE: 1/8" = 1'-0"9 TO-25 BASE - SIXTH LEVEL

SCALE: 1/8" = 1'-0"6 TO-25 BASE - THIRD LEVEL

SCALE: 1/8" = 1'-0"8 TO-25 BASE - FIFTH LEVEL

SCALE: 1/8" = 1'-0"10 TO-25 OPTION 1

SCALE: 1/8" = 1'-0"2 TO-25 BASE - C STREET LEVEL

SCALE: 1/8" = 1'-0"7 TO-25 BASE - FOURTH LEVEL

BASE: BUILD NEW FLUE SHAFT, FLUE, AND NEW HHWS/R RISERS FROM PARKING LEVEL TO SIXTH LEVEL ROOF PENETRATION.

DEMOLISH AND REBUILDING CEILINGS IN THE AFFECTED SPACES ACROSS ALL FLOORS.

REROUTE EXISTING CONDITIONS DUCTWORK AND PIPING TO CONTINUE SERVING ADJACENT SPACES.

OPTION 1: PURCHASE AND INSTALL BOILERS AND PUMPS (EQUIPMENT ONLY).

EXISTING HYDRONIC PIPING AND STEAM PIPING TO REMAIN.

EXISTING HEATING HOT WATER SYSTEMS TO REMAIN AND TO BE FULLY OPERATIONAL.

OPTION 2: INSTALL ALL NEW DIV 23 PROJECT INFASTRUCTURE, INSTALL ALL NEW DIV 22 PIPING.

SCALE: 1/8" = 1'-0"11 TO-25 OPTION 2

SCALE: 1/8" = 1'-0"3 TO-25 - JOHN MARSHALL LEVEL

SCALE: 1/8" = 1'-0"4 TO-25 BASE - INDIANA AVENUE LEVEL

SCALE: 1/8" = 1'-0"1 TO-25 BASE - PARKING LEVEL

ISSUE FOR BID 03 JULY 2025

ADDENDUM 1 27 AUG 2025

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NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:54 :28

P M

HVAC OPTION PLANS

G1.3 15749.000

Au tho r

SCALE: 1/8" = 1'-0"1 TO-25 OPTION 3

OPTION 3: DEMOLISH AND REMOVE EXISTING DIV 23, DIV 26, AND DIV 22 INFRASTRUCTURE.

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H.1

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5.7 7.1 7.3 7.6 7.9 8.8 9 9.3 10 10.3 11 12 13 14 14.3 14.76.2

NEW INDIRECT FIRED

WATER HEATERS

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H.7 H.4H.3

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SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

P lo t D at e

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/

/2

1:

:3

P

M

PLUMBING WATER

OPTION PLAN

G1.8

15749.000

A ut h or

OPTION 1: PURCHASE AND INSTALL INDIRECT FIRED WATER HEATERS (EQUIPMENT ONLY).

OPTION 2: INSTALL ALL NEW DIV 22 PIPING. PURCHASE AND INSTALL REDUCED PRESSURE ZONE BACKFLOW PREVENTER.

SCALE: 1/16" = 1'-0"

WATER OPTION 1

SCALE: 1/16" = 1'-0"

WATER OPTION 2

2 3 5 6 7 7.8

I

J

K

H.8

H.7

H.4

H.3

H.1

G.4

5.7 7.1 7.3 7.6 7.9 8.8 96.2

MD006

(E) AHU-12

(E) 6" HHWR

(E) 6" HHWS

MD027

MD028

MD028

MD029

MD030

6" HHWR 6" HHWS

10" MPS(40)

(E) HX-1

MD030

MD0306" HHWR

6" HHWS

8" HHWR

(E)16"x20" SA

(D) HHWP-6

(D) HHWP-5

72"x32" EA84"x48" EA

(D) PRV

(D) PRV-2

4"

4" LPS(#)

5" LPS(#)

A.

B.

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

(R) HP

MD031

RL

RS

MD022

(R) EF

MD033

(D) HVU

(D) HHWP-5

(D) HHWP-6

MD027

MD025

MD027

(D) P-12 HHW (D) P-11 HHW

(T) BIF-2

(T) BIF-1

(T) HC-BIF 2

(T) HC-BIF 1

(D) HX-2

(D) HX-3

(D) HX-1

MD023

MD024

MD026

(D) HX-2

MD023

5" V

6" HPS(#)

4" LPR(#)

5" LPS(#)

MD032

MD034

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:55 :06

P M

PARKING LEVEL FLOOR

PLAN - MECHANICAL

DEMOLITION

MD2.1

15749.000

Au tho r

SCALE: 1/8" = 1'-0"1 PARKING LEVEL FLOOR PLAN - MECHANICAL DEMOLITION PLAN

SHEET KEYNOTES

MD006 DEMOLISH AND REMOVE C-STREET EXISTING HHW SERVICE

PUMPS P-11 AND P-12, PIPING, PIPING ACCESSORIES AND

HOUSEKEEPING PADS.

MD022 DISCONNECT AND RELOCATE EXISTING EXHAUST FAN. SEE

NEW WORK PLAN AND PHASING FOR ADDITIONAL DETAIL.

MD023 DISCONNECT AND REMOVE EXISTING STEAM PIPING AND

ASSOCIATED APPURTENANCES. SEE PHASING PLANS FOR

ADDITIONAL INFORMATION.

MD024 BOILER MAKEUP FANS WILL BE INSTALLED IN A

TEMPORARY LOCATION DURING OPTION 2 AND WILL BE

RELOCATED TO A NEW LOCATION DURING OPTION 3. THIS

CONDITION APPLIES TO ASSOCIATED HEATING COIL,

DUCTWORK, AND SUPPLY GRILLE. PLEASE REFER TO

SHEET G1.2 FOR OPTION 2 LOCATION AND SHEET G1.3 FOR

OPTION 3 LOCATION.

MD025 DEMOLISH EXISTING STEAM PREHEAT COIL. DISCONNECT

AND REMOVE ASSOCIATED EXISTING LOW PRESSURE

STEAM PIPING, LOW PRESSURE CONDENSATE RETURN

PIPING, AND ACCESSORIES. DISCONNECT AND REMOVE

EXISTING HHWS/R PIPING BETWEEN POINTS OF

DISCONNECTION.

MD026 REMOVE EXISTING VENT PIPING GOING THROUGH SHAFT

WALL. PATCH SHAFT WALL AFTER PIPE REMOVAL.

MD027 DISCONNECT AND REMOVE EXISTING HEAVING AND

VENTILATING UNIT. REMOVE ALL ASSOCIATED

APPURTENANCES AND BRANCH PIPING.

MD028 DISCONNECT EXISTING EXHAUST DUCT AS INDICATED.

EXISTING EXHAUST LOUVER SHALL REMAIN IN PLACE AND

SHALL BE RELOCATED AND REUSED. SEE NEW WORK

PLANS FOR ADDITIONAL INFORMATION.

MD029 DISCONNECT EXISTING PIPING AS INDICATED. EXISTING

PIPING SHALL REMAIN IN PLACE AND RECONNECT TO NEW

WORK PIPING. SEE NEW WORK PLANS FOR ADDITIONAL

INFORMATION.

MD030 DISCONNECT AND REMOVE EXISTING PIPING TO HEAT

EXCHANGER DURING OR AFTER THE REMOVAL OF HX-2.

CAP OPEN ENDS OF PIPING THAT REMAIN.

MD031 DISCONNECT AND RELOCATE EXISTING HEAT PUMP.

DISCONNECT REFRIGERANT SUCTION AND REFRIGERANT

LIQUID PIPING AT POINTS OF DISCONNECTION. REMOVE

AND RELOCATE PIPING ACCESSORIES. SEE NEW WORK

PLAN AND PHASING FOR ADDITIONAL DETAIL.

MD032 DISCONNECT AND REMOVE HX-1 AND ALL ASSOCIATED

APPURTENANCES. REMOVE EXISTING PLATFORM

SUSPENDING HX-1 AND ANY CONCRETE PADDING TO

CREATE FLAT CONCRETE FLOOR IN PLACE OF REMOVED

COMPONENTS.

MD033 STEAM AND CONDENSATE PIPING DEMOLISHED IN OPTION

1. SEE OPTION PLANS (G SERIES) FOR ADDITIONAL

INFORMATION.

MD034 STEAM AND CONDENSATE PIPING INSTALLED IN OPTION 1

AND DEMOLISHED IN OPTION 3. SEE OPTION PLANS (G

SERIES) FOR ADDITIONAL INFORMATION.

A.

B.

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

2 3 5 6 7 7.8

H

I

J

K

H.8

H.7

H.4

H.3

H.1

G.4

5.7 7.1 7.3 7.6 7.9 8.8 96.2

P-11 (C ST)P-12 (C ST)

DHWP-4

DHWP-5

HHWP-3

HHWP-2

HHWP-1

CDU-1

MA

TC

H

LI

NE

SH

EE

T M3

.2

(E) AHU-34(E) AHU-33(E) AHU-32(E) AHU-31(E) CHWBT-1(E) CHWBT-2

(E) P-5 CHW

(E) P-6 CHW

(E) P-7 CHW

(E) CH-3(E) CH-4

(E) HX-1

CB-5 CB-6 CB-3 CB-4 CB-1 CB-2

EVU-2

P-6AP-6P-5

P-7

P-7A

M310

(E) AHU-12

HC-BIF 1

HC-BIF 2

BIF-1

FMP-P-HHW-1

FMP-P-HHW-2

(R) HP

8" HHWR 8" HHWS

(E) 6" HHWS

(E) 6" HHWR

4" HHWR

4" HHWS

M306

M306

ET-DHWP

ET-HHW-1

ET-HHW-2

ET-HHW-3

(TYP)

M308

M301

8" HHWR

8" HHWS

(E) 6" HHWS

(E) 6" HHWR

6" HHWR

8" HHWS

8" HHWR

6" HHWR

6" HHWS

6" HHWS

10" HHWR

10" HHWS

(TYP)

M320

AS-DHW

AS-HHW

EVU-1

M305M307

(E) 4" HHWR

(E) 4" HHWS

(E) 8" HHWS

(E) 8" HHWRM304

(R) EF-1

M319

4" HHWR 4" HHWS

BIF-2

10" HHWS

6" HHWR

6" HHWS

6" HHWR

6" HHWS

(E) 5" HHWR

(E) 5" HHWS

FP-1

FP-2

2" HHWS

2" HHWR

2" HHWS

2" HHWR

6" HHWS UP

6" HHWR UP

M317

M322

(TYP)

M308

(TYP)

M326

M327

RS

RL

(E) RL

(E) RS

EBC31-MP

M314

M314

M314

M315

M314

M314 M314

M314

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:55 :49

P M

PARKING LEVEL FLOOR

PLAN WEST - HVAC PIPING

NEW WORK

M3.1 15749.000

Au tho r

SHEET KEYNOTES

M301 PROVIDE HIGH PERFORMANCE SEGMENTED BALL VALVE

WITH A TURNDOWN RATIO OF 300:1. BASIS OF DESIGN: VSI,

SERIES V 1000/S-X WITH MODULATING ELECTRONIC

ACTUATOR. VALVE SIZE INDICATED BELOW KEYNOTE.

BUTTERFLY VALVES ARE NOT ACCEPTABLE FOR THIS

APPLICATION.

M304 CONNECT NEW HHWS/R TO EXISTING HHWS/R PIPING FOR

SECONDARY LOOP SERVING ORIGINAL REHEAT COIL LOOP

AT POINT OF CONNECTION.

M305 CONNECT NEW HHWS/R TO EXISTING HHWS/R PIPING FOR

SECONDARY LOOP SERVING ORIGINAL NORTH FIN TUBE

RADIATOR LOOP AT POINT OF CONNECTION.

M306 CONNECT NEW HHWS/R TO EXISTING HHWS/R PIPING FOR

SECONDARY LOOP SERVING C-STREET HHW LOOP AT

POINT OF CONNECTION.

M307 CAP EXISTING HHWS/R PIPING FOR SECONDARY LOOP

SERVING ORIGINAL SOUTH FIN TUBED RADIATOR LOOP AT

POINT OF CONNECTION.

M308 PROVIDE INLINE ELECTROMAGNETIC FLOWMETER

EQUIPPED WITH REMOTE WALL-MOUNTED TRANSMITTER,

BOD: FT-3200. TYPICAL FOR ALL FLOW METERS ON

PROJECT.

M310 WALL-MOUNTED BOILER EMERGENCY POWER-OFF

BUTTON, WITH SAFETY COVERING. REFER TO M8 SERIES

FOR CONNECTION TO BOILER SEQUENCING SYSTEM.

M314 PROVIDE VICTAULIC FLEX COUPLINGS AND/OR VICTAULIC

EXPANSION JOINTS AS REQUIRED TO ACCOUNT FOR THE

EXPANSION OF ALL NEW PIPING SYSTEMS. CALCULATE

REQUIREMENTS FOR THERMAL EXPANSION OF PIPING

SYSTEMS AND FOR SELECTING AND DESIGNING

EXPANSION JOINTS, LOOPS, AND SWING CONNECTIONS

AND PROVIDE A DELEGATED DESIGN SUBMITTAL FOR

REVIEW AND APPROVAL BY EOR. FOR ADDITIONAL

INFORMATION, SEE SPECIFICATION SECTION 230516 -

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING.

M315 PROVIDE ANCHORS AT THE BOTTOM OF THE HYDRONIC

PIPING RISERS. FOR ADDITIONAL INFORMATION, SEE

SPECIFICATION SECTION 230516 - EXPANSION FITTINGS

AND LOOPS FOR HVAC PIPING.

M317 PROVIDE NEW HHW PREHEAT COIL TO REPLACE EXISTING

AHU PREHEAT STEAM COIL. FIELD MEASURE THE

DIMENSIONS OF EXISTING STEAM COIL. PROVIDE A COIL

SUBMITTAL TO THE EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK UNTIL PRIOR APPROVAL FROM THE

OWNER SEE DETAIL 6 ON M6.1 FOR COIL PIPING

CONNECTIONS.

M319 CONNECT TO HHWS/R RISER INSTALLED IN BASE OPTION.

M320 PROVIDE HIGH PERFORMANCE SEGMENTED BALL VALVE

WITH A TURNDOWN RATIO OF 300:1. BASIS OF DESIGN: VSI,

SERIES V 1000/S-X WITH MODULATING ELECTRONIC

ACTUATOR. BUTTERFLY VALVES ARE NOT ACCEPTABLE

FOR THIS APPLICATION. REFER TO M5 SERIES FOR ALL

LOCATIONS AND VALVE SIZES.

M322 INSTALL NEW CONDENSING UNIT ON NEW CONCRETE PAD.

NEW PAD TO MATCH HEIGHT OF ADJACENT EXISTING

CONCRETE.

M326 REFER TO M5.2 AND M6.1 FOR ADDITIONAL INFORMATION

REGARDING EXPANSION TANK CONNECTIONS. REFER TO

PLUMBING DRAWINGS FOR NEAREST DOMESTIC COLD

WATER LINE.

M327 REROUTE AND RECONNECT EXISTING REFRIGERANT

LIQUID AND REFRIGERANT SUCTION LINES TO SUPPORT

RELOCATION OF EXISTING HEAT PUMP.

SCALE: 1/8" = 1'-0"1 PARKING LEVEL FLOOR PLAN WEST - HVAC PIPING NEW WORK

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

H

I

J

K

H.8

H.7

H.4

H.3

H.1

G.4

9 9.3 10 10.3 11 12 13 14 14.3 14.7 15 15.7 15.9 16

MA

TC

H

LI

NE

SH

EE

T M3

.1 DWH-4DWH-3DWH-1 DWH-2

(E) AHU-35

6" HHWS

6" HHWR6" HHWR

6" HHWS

6" HHWR

6" HHWS 6" HHWS

6" HHWR

M313

8" HHWR

8" HHWS

M308

M301M301

M301

M301

(TYP)

M321

M314

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:55 :54

P M

PARKING LEVEL FLOOR

PLAN EAST - HVAC PIPING

NEW WORK

M3.2 15749.000

Au tho r

SHEET KEYNOTES

M301 PROVIDE HIGH PERFORMANCE SEGMENTED BALL VALVE

WITH A TURNDOWN RATIO OF 300:1. BASIS OF DESIGN: VSI,

SERIES V 1000/S-X WITH MODULATING ELECTRONIC

ACTUATOR. VALVE SIZE INDICATED BELOW KEYNOTE.

BUTTERFLY VALVES ARE NOT ACCEPTABLE FOR THIS

APPLICATION.

M308 PROVIDE INLINE ELECTROMAGNETIC FLOWMETER

EQUIPPED WITH REMOTE WALL-MOUNTED TRANSMITTER,

BOD: FT-3200. TYPICAL FOR ALL FLOW METERS ON

PROJECT.

M313 WALL-MOUNTED REMOTE TRANSMITTERS FOR INLINE

ELECTROMAGNETIC FLOW METERS, BOD: FT-3200.

COORDINATE FINAL LOCATION WITH FACILITIES. EXAMPLE

INSTALLATION SHOWN, TYPICAL FOR ALL FLOW METERS IN

PROJECT.

M314 PROVIDE VICTAULIC FLEX COUPLINGS AND/OR VICTAULIC

EXPANSION JOINTS AS REQUIRED TO ACCOUNT FOR THE

EXPANSION OF ALL NEW PIPING SYSTEMS. CALCULATE

REQUIREMENTS FOR THERMAL EXPANSION OF PIPING

SYSTEMS AND FOR SELECTING AND DESIGNING

EXPANSION JOINTS, LOOPS, AND SWING CONNECTIONS

AND PROVIDE A DELEGATED DESIGN SUBMITTAL FOR

REVIEW AND APPROVAL BY EOR. FOR ADDITIONAL

INFORMATION, SEE SPECIFICATION SECTION 230516 -

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING.

M321 REFER TO PLUMBING DRAWINGS FOR ADDITIONAL DETAILS

ON HEATING HOT WATER AND DOMESTIC HOT WATER

CONNECTIONS.

SCALE: 1/8" = 1'-0"1 PARKING LEVEL FLOOR PLAN WEST - HVAC PIPING NEW WORK

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

3 5 6 7 7.8

B.3

D.6

F

G

H

I

H.8

H.7

H.4

H.3

H.1

G.4

G.2

5.7 7.1 7.3 7.6 7.9 8.8 9 9.3 10 10.3 116.2

E.8

D.7

D.4

D.2

B.9

B.7B.6

B.4

B

A.10

A.9

A.7

D

C.7

C

L

E

DHWP-4

DHWP-5

HHWP-3

HHWP-2

HHWP-1

CDU-1CB-5

CB-6

CB-3

CB-4

CB-1

CB-2

EVU-2

P-6AP-6P-5 P-7

P-7A

M310M310

(E) AHU-12

HC-BIF 1

HC-BIF 2

BIF-1

FMP-P-HHW-1

FMP-P-HHW-2

(R) HP

(E) AHU-21

(R) EF-1

4" HHWR

4" HHWS

4" HHWR

4" HHWS

4" HHWR 4" HHWS

4" HHWR

4" HHWS

EVU-1

BIF-2

M317

M314

M314

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:56 :16

P M

PARKING LEVEL FLOOR

PLAN NORTH - HVAC

PIPING NEW WORK

M3.3 15749.000

Au tho r

SHEET KEYNOTES

M310 WALL-MOUNTED BOILER EMERGENCY POWER-OFF

BUTTON, WITH SAFETY COVERING. REFER TO M8 SERIES

FOR CONNECTION TO BOILER SEQUENCING SYSTEM.

M314 PROVIDE VICTAULIC FLEX COUPLINGS AND/OR VICTAULIC

EXPANSION JOINTS AS REQUIRED TO ACCOUNT FOR THE

EXPANSION OF ALL NEW PIPING SYSTEMS. CALCULATE

REQUIREMENTS FOR THERMAL EXPANSION OF PIPING

SYSTEMS AND FOR SELECTING AND DESIGNING

EXPANSION JOINTS, LOOPS, AND SWING CONNECTIONS

AND PROVIDE A DELEGATED DESIGN SUBMITTAL FOR

REVIEW AND APPROVAL BY EOR. FOR ADDITIONAL

INFORMATION, SEE SPECIFICATION SECTION 230516 -

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING.

M317 PROVIDE NEW HHW PREHEAT COIL TO REPLACE EXISTING

AHU PREHEAT STEAM COIL. FIELD MEASURE THE

DIMENSIONS OF EXISTING STEAM COIL. PROVIDE A COIL

SUBMITTAL TO THE EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK UNTIL PRIOR APPROVAL FROM THE

OWNER SEE DETAIL 6 ON M6.1 FOR COIL PIPING

CONNECTIONS.

SCALE: 1/16" = 1'-0"1 PARKING LEVEL FLOOR PLAN NORTH - HVAC PIPING NEW WORK

x

T

A.

B.

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

2 3 5 6 7 7.8

F

G

H

I

H.8

H.7

H.4H.3

H.1

G.4

G.2

5.7 7.1 7.3 7.6 7.96.2

E.8

(E) AHU-3

(E) AHU-19

(E) RF-3

(E) RF-19

(E) SPF-4

EF-1 EF-2

EF-3 EF-4

EF-5

M323

6" HHWS

6" HHWR

EXISTING MECHANICAL

EQUIPMENT TO REMAIN

4" HHWS

4" HHWR

4" HHWR

4" HHWS

4" HHWR

4" HHWS

4" HHWR

4" HHWS

M324

M317

M317

M325

M314

M319

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:56 :17

P M

SIXTH LEVEL FLOOR PLAN

- PIPING NEW WORK

M3.4 15749.000

Au tho r

SHEET KEYNOTES

SCALE: 1/8" = 1'-0"1 SIXTH LEVEL FLOOR PLAN - HVAC PIPING NEW WORK

M314 PROVIDE VICTAULIC FLEX COUPLINGS AND/OR VICTAULIC

EXPANSION JOINTS AS REQUIRED TO ACCOUNT FOR THE

EXPANSION OF ALL NEW PIPING SYSTEMS. CALCULATE

REQUIREMENTS FOR THERMAL EXPANSION OF PIPING

SYSTEMS AND FOR SELECTING AND DESIGNING EXPANSION

JOINTS, LOOPS, AND SWING CONNECTIONS AND PROVIDE A

DELEGATED DESIGN SUBMITTAL FOR REVIEW AND

APPROVAL BY EOR. FOR ADDITIONAL INFORMATION, SEE

SPECIFICATION SECTION 230516 - EXPANSION FITTINGS AND

LOOPS FOR HVAC PIPING.

M317 PROVIDE NEW HHW PREHEAT COIL TO REPLACE EXISTING

AHU PREHEAT STEAM COIL. FIELD MEASURE THE

DIMENSIONS OF EXISTING STEAM COIL. PROVIDE A COIL

SUBMITTAL TO THE EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK UNTIL PRIOR APPROVAL FROM THE OWNER

SEE DETAIL 6 ON M6.1 FOR COIL PIPING CONNECTIONS.

M319 CONNECT TO HHWS/R RISER INSTALLED IN BASE OPTION.

M323 DELEGATED DESIGN: ENGAGE A REGISTERED DESIGN

PROFESSIONAL, AS DEFINED IN SECTION 013573

"DELEGATED DESIGN REQUIREMENTS AND PROCEDURES"

TO DESIGN THE STEEL SUPPORTS FOR THE BOILER FLUE

EXHAUST FANS. FOR ADDITIONAL INFORMATION, SEE

STRUCTURAL CONSTRUCTION DOCUMENTS, SHEET A.9.1

AND SECTION 230529 - HANGERS AND SUPPORTS FOR HVAC

PIPING AND EQUIPMENT. PROVIDE A DELEGATED-DESIGN

SUBMITTAL: REFER TO SECTION 013573 "DELEGATED

DESIGN REQUIREMENTS AND PROCEDURES" FOR

DELEGATED DESIGN SUBMITTAL PROCEDURES AND

REQUIREMENTS.

M324 PROVIDE ISOLATION VALVES AND CAPPED ENDS FOR 4"

HHWS AND 4" HHWR PIPING FOR FUTURE CONNECTIONS.

M325 6" HHWS RISER AND 6" HHWR RISER ROUTED FROM

PARKING LEVEL. SEE MECHANICAL SECTIONS AND PARKING

LEVEL MECHANICAL PIPING PLANS FOR ADDITIONAL

INFORMATION.

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

H

H.7

H.4

H.3

H.1 14"ø FE

CB-5 CB-6 CB-3 CB-4 CB-2

HHWP-3

HHWP-2

HHWP-1

(R) HP

(R) EF-1

70"x32" EA

CB-1

56"x40" EA 70"x32" EA

EVU-1

FMP-P-HHW-1

FMP-P-HHW-2

30"ø FE62"x34" EA

10" HHWS

10" HHWS

10" HHWR

30"ø FE

8" HHWR

8" HHWS

10" HHWS

10" HHWR

6" HHWS

4" HHWS

6" HHWR

4" HHWR

4" HHWS

S3-1- 8500 34"x34"

S3-1- 8500 34"x34"

M315 M314

M319

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:56 :47

P M

PARKING LEVEL BOILER

ROOM - ENLARGED VIEW

M4.1 15749.000

Au tho r

SHEET KEYNOTES

M314 PROVIDE VICTAULIC FLEX COUPLINGS AND/OR VICTAULIC

EXPANSION JOINTS AS REQUIRED TO ACCOUNT FOR THE

EXPANSION OF ALL NEW PIPING SYSTEMS. CALCULATE

REQUIREMENTS FOR THERMAL EXPANSION OF PIPING

SYSTEMS AND FOR SELECTING AND DESIGNING

EXPANSION JOINTS, LOOPS, AND SWING CONNECTIONS

AND PROVIDE A DELEGATED DESIGN SUBMITTAL FOR

REVIEW AND APPROVAL BY EOR. FOR ADDITIONAL

INFORMATION, SEE SPECIFICATION SECTION 230516 -

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING.

M315 PROVIDE ANCHORS AT THE BOTTOM OF THE HYDRONIC

PIPING RISERS. FOR ADDITIONAL INFORMATION, SEE

SPECIFICATION SECTION 230516 - EXPANSION FITTINGS

AND LOOPS FOR HVAC PIPING.

M319 CONNECT TO HHWS/R RISER INSTALLED IN BASE OPTION.

SCALE: 1/4" = 1'-0"1 PARKING LEVEL FLOOR PLAN - ENLARGED VIEW

SCALE:3 PARKING LEVEL BOILER ROOM - 3D VIEW (SOUTHEAST CORNER)

SCALE:2 PARKING LEVEL BOILER ROOM - 3D VIEW (NORTHEAST CORNER)

PARKING LEVEL

EL -3' - 2"

C STREET LEVEL

EL +11' - 0"

PARKING LOTNEW BOILER ROOMMOULTRIE MECH. ROOM

TYP. HOUSE KEEPING PAD

M4.2

8" HHWR 8" HHWS

10" HHWS

8" HHWR

10" HHWR

10" HHWS

30"ø FE

34"x34" SA

CB-6

14"ø FE

PARKING LEVEL

EL -3' - 2"

M4.2

2'

- 7

/8

M4.2

10" HHWS

10" HHWS

30"ø FE

14"ø FE

(TYP)

6" HHWS

(TYP)

6" HHWR

(TYP)

4" HHWS

4" HHWR 10" HHWR 14"ø FE

(TYP)

10" HHWS

30"ø FE

PARKING LEVEL

EL -3' - 2"

C STREET LEVEL

EL +11' - 0"

SITE ABOVE C STREET

EL +18' - 0"

JOHN MARSHALL LEVEL

EL +26' - 0"

INDIANA AVE LEVEL

EL +42' - 6"

SECOND LEVEL

EL +59' - 0"

SECOND FLOOR CEILING

EL +69' - 0"

THIRD LEVEL

EL +75' - 6"

FOURTH LEVEL

EL +92' - 0"

FIFTH LEVEL

EL +104' - 6"

SIXTH LEVEL

EL +118' - 0"

M4.2

M402

(TYP)

M316

4" HHWR

4" HHWS

4" HHWR

4" HHWS

4" HHWR

4" HHWS

4" HHWS

4" HHWS

4" HHWS

4" HHWS

4" HHWR

4" HHWR

4" HHWR

4" HHWR

36"x36" EA 30"ø FE

6" HHWS

6" HHWR

6" HHWS

6" HHWR

6" HHWS

6" HHWR

6" HHWS

6" HHWR

EF-1EF-3EF-5

M314

M315

M314

A.

B.

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:57 :02

P M

MECHANICAL SECTIONS

M4.2 15749.000

Au tho r

SCALE: 1/2" = 1'-0"2 TYPICAL BOILER INSTALLATION

SCALE: 1/2" = 1'-0"3 BOILER COMMON FLUE BRANCH CONNECTION SECTION

SCALE: 3/16" = 1'-0"1 BOILER COMMON FLUE TO SHAFT SECTION

SHEET KEYNOTES

M314 PROVIDE VICTAULIC FLEX COUPLINGS AND/OR VICTAULIC

EXPANSION JOINTS AS REQUIRED TO ACCOUNT FOR THE

EXPANSION OF ALL NEW PIPING SYSTEMS. CALCULATE

REQUIREMENTS FOR THERMAL EXPANSION OF PIPING

SYSTEMS AND FOR SELECTING AND DESIGNING

EXPANSION JOINTS, LOOPS, AND SWING CONNECTIONS

AND PROVIDE A DELEGATED DESIGN SUBMITTAL FOR

REVIEW AND APPROVAL BY EOR. FOR ADDITIONAL

INFORMATION, SEE SPECIFICATION SECTION 230516 -

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING.

M315 PROVIDE ANCHORS AT THE BOTTOM OF THE HYDRONIC

PIPING RISERS. FOR ADDITIONAL INFORMATION, SEE

SPECIFICATION SECTION 230516 - EXPANSION FITTINGS

AND LOOPS FOR HVAC PIPING.

M316 PROVIDE ISOLATION VALVES AND CAPPED ENDS PER 4"

HHWS AND 4" HHWR BRANCH PIPING ON EACH FLOOR FOR

FUTURE CONNECTIONS.

M402 DELEGATED DESIGN: ENGAGE A REGISTERED DESIGN

PROFESSIONAL, AS DEFINED IN SECTION 013573

"DELEGATED DESIGN REQUIREMENTS AND PROCEDURES"

TO DESIGN THE STEEL SUPPORTS FOR THE BOILER FLUE

EXHAUST FANS. FOR ADDITIONAL INFORMATION, SEE

STRUCTURAL CONSTRUCTION DOCUMENTS, SHEET A.9.1

AND SECTION 230529 - HANGERS AND SUPPORTS FOR

HVAC PIPING AND EQUIPMENT. PROVIDE A

DELEGATED-DESIGN SUBMITTAL: REFER TO SECTION

013573 "DELEGATED DESIGN REQUIREMENTS AND

PROCEDURES" FOR DELEGATED DESIGN SUBMITTAL

PROCEDURES AND REQUIREMENTS.

I

H.8

H.7

H.4H.3

H.1

5.7 6.2

M401

(E) AHU-12

4" HHWR

4" HHWS

B.3

9 9.3 10 10.3

BA.10

A.9

A.7

A.5

(E) AHU-21

M401

4" HHWR

4" HHWS

G

H

G.4

G.2

(E) AHU-3

4" HHWR

4" HHWS

4" HHWR

4" HHWS

4" HHWR

4" HHWS

M401

F

G

(E) AHU-19

4" HHWS

4" HHWR

M401

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:57 :06

P M

AHU NEW WORK - HVAC -

ENLARGED VIEW

M4.3 15749.000

Au tho r

SCALE: 1/4" = 1'-0"1 AHU 12 MECHANICAL EQUIPMENT PLAN ENLARGED VIEW

SHEET KEYNOTES

SCALE: 1/4" = 1'-0"2 AHU 21 MECHANICAL EQUIPMENT PLAN ENLARGED VIEW

M401 CONNECT NEW HHWS/R TO EXISTING HHWS/R PIPING AT

POINT OF CONNECTION. PROVIDE NEW AHU PREHEAT COIL.

REFER TO M6.2 FOR AHU COIL CONNECTION DETAIL.

SCALE: 1/4" = 1'-0"3 AHU 3 MECHANICAL EQUIPMENT PLAN ENLARGED VIEW

SCALE: 1/4" = 1'-0"4 AHU 19 MECHANICAL EQUIPMENT PLAN ENLARGED VIEW

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

H.8

H.7

H.4H.3

H.1

MD016

MD018

10"x10" SA

6"ø SA 12"x10" SA

S2-1- 200 8"ø

MD017

H.8

H.7

H.4H.3

H.1

M407

M410

6"ø SA

8"ø SA

S2-1- 200 8"ø

M403

(R) VAV

H.8

H.4H.3

H.1

3/4" HHWS

3/4" HHWR

4" HHWR

M404

4" HHWS

(R) VAV

(E) 3/4" HHWR

(E) 3/4" HHWS

M316

M325

H.8

H.7

H.4H.3

H.1

3/4" HHWR

3/4" HHWS

MD015

EXISTING

EXISTING

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:57 :10

P M

C STREET LEVEL PLAN -

ENLARGED VIEW

M4.4 15749.000

Au tho r

SHEET KEYNOTES

M316 PROVIDE ISOLATION VALVES AND CAPPED ENDS PER 4"

HHWS AND 4" HHWR BRANCH PIPING ON EACH FLOOR FOR

FUTURE CONNECTIONS.

M325 6" HHWS RISER AND 6" HHWR RISER ROUTED FROM

PARKING LEVEL. SEE MECHANICAL SECTIONS AND

PARKING LEVEL MECHANICAL PIPING PLANS FOR

ADDITIONAL INFORMATION.

M403 PROVIDE NEW 6" AND 8" ROUND SUPPLY DUCT AS

INDICATED. CONNECT TO EXISTING SUPPLY DUCT MAIN.

M404 PROVIDE NEW 3/4" HHWS AND 3/4" HHWR PIPING AS

INDICATED AND CONNECT TO EXISTING 3/4" HHWS AND 3/4"

HHWR PIPING.

M407 REUSE EXISTING VAV BOX AS INDICATED.

M410 REUSE EXISTING DIFFUSER AS INDICATED.

MD015 DISCONNECT AND REMOVE EXISTING 3/4"HHWS AND

3/4"HHWR PIPING AS INDICATED.

MD016 DISCONNECT EXISTING VAV BOX AS INDICATED. SAVE BOX

FOR FUTURE REUSE. SEE NEW WORK PLAN FOR

ADDITIONAL INFORMATION.

MD017 DISCONNECT AND REMOVE EXISTING SUPPLY DUCT AS

INDICATED.

MD018 REMOVE EXISTING DIFFUSER AS INDICATED. SAVE

DIFFUSER FOR FUTURE REUSE. SEE NEW WORK PLAN FOR

ADDITIONAL INFORMATION.

SCALE: 1/4" = 1'-0"1 02 C STREET LEVEL DEMO HVAC - ENLARGED

SCALE: 1/4" = 1'-0"3 02 C STREET LEVEL DEMO PIPING - ENLARGED VIEW

SCALE: 1/4" = 1'-0"2 02 C STREET LEVEL NEW CONSTRUCTION HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"4 02 C STREET LEVEL NEW CONSTRUCTION PIPING - ENLARGED VIEW

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

H.8

H.7

H.4H.3

H.1

M407

M410

M410

8"x8" RA

8"ø SA

R1-1- 200 8"ø

S2-1- 140 8"ø

M405

M403

(R) VAV

6"ø SA

(E) VAV

30"ø FE

H.8

H.7

H.4H.3

H.1

M409

3/4" HHWR

3/4" HHWS

4" HHWR

M404

10" CWS

10" CWR

(R) VAV

4" HHWS

(E) VAV

M316

M325

H.8

H.7

H.4H.3

H.1

MD018

8"x8" RA

R1-1- 200 8"ø

8"ø SA

12"x12" SA6"ø SA

10"x10" SA S2-1- 140

8"ø

MD017

MD019

MD016

(R) VAV

(E) VAV

H.8

H.7

H.4H.3

H.1

3/4" HHWS

3/4" HHWR

MD015

(R) VAV(E) VAV

10" CWS

10" CWR

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:57 :14

P M

JOHN MARSHALL LEVEL

PLAN - ENLARGED VIEW

M4.5 15749.000

Au tho r

SHEET KEYNOTES

M316 PROVIDE ISOLATION VALVES AND CAPPED ENDS

PER 4" HHWS AND 4" HHWR BRANCH PIPING ON

EACH FLOOR FOR FUTURE CONNECTIONS.

M325 6" HHWS RISER AND 6" HHWR RISER ROUTED FROM

PARKING LEVEL. SEE MECHANICAL SECTIONS AND

PARKING LEVEL MECHANICAL PIPING PLANS FOR

ADDITIONAL INFORMATION.

M403 PROVIDE NEW 6" AND 8" ROUND SUPPLY DUCT AS

INDICATED. CONNECT TO EXISTING SUPPLY DUCT

MAIN.

M404 PROVIDE NEW 3/4" HHWS AND 3/4" HHWR PIPING AS

INDICATED AND CONNECT TO EXISTING 3/4" HHWS

AND 3/4" HHWR PIPING.

M405 PROVIDE NEW RETURN DUCT AS INDICATED.

M407 REUSE EXISTING VAV BOX AS INDICATED.

M409 CONNECT NEW 3/4" HHWS AND 3/4" HHWR PIPING TO

EXISTING VAV.

M410 REUSE EXISTING DIFFUSER AS INDICATED.

MD015 DISCONNECT AND REMOVE EXISTING 3/4"HHWS AND

3/4"HHWR PIPING AS INDICATED.

MD016 DISCONNECT EXISTING VAV BOX AS INDICATED.

SAVE BOX FOR FUTURE REUSE. SEE NEW WORK

PLAN FOR ADDITIONAL INFORMATION.

MD017 DISCONNECT AND REMOVE EXISTING SUPPLY DUCT

AS INDICATED.

MD018 REMOVE EXISTING DIFFUSER AS INDICATED. SAVE

DIFFUSER FOR FUTURE REUSE. SEE NEW WORK

PLAN FOR ADDITIONAL INFORMATION.

MD019 DISCONNECT AND REMOVE EXISTING RETURN DUCT

AS INDICATED.

SCALE: 1/4" = 1'-0"2 JOHN MARSHALL LEVEL NEW CONSTRUCTION HVAC- ENLARGED VIEW

SCALE: 1/4" = 1'-0"4 JOHN MARSHALL LEVEL NEW CONSTRUCTION PIPING - ENLARGED VIEW

SCALE: 1/4" = 1'-0"1 JOHN MARSHALL LEVEL DEMO HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"3 JOHN MARSHALL LEVEL DEMO PIPING - ENLARGED VIEW

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

H.8

H.7

H.4H.3

H.1

8"ø SA

6"ø SA8"x8" RA

R1-1- 100 8"ø

S2-1- 140 8"ø

(E) VAV

30"ø FE

(R) VAV

H.8

H.7

H.4H.3

H.1

3/4" HHWR

3/4" HHWS

4" HHWR4" HHWS

10" CWS

10" CWR

(R) VAV

(E) VAV

3/4" HHWS

3/4" HHWR

M316

M325

H.8

H.7

H.4H.3

H.1

MD018

10"x10" SA

6"ø SA

12"x12" SA

R1-1- 100 8"ø

8"x8" RA

S2-1- 140 8"ø

M403

M405

MD016

MD018

(E) VAV

(R) VAV

H.8

H.7

H.4H.3

H.1

M314

3/4" HHWR

3/4" HHWS

(R) VAV

(E) VAV

10" CWS

10" CWR

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:57 :18

P M

INDIANA AVENUE LEVEL

PLAN - ENLARGED VIEW

M4.6 15749.000

Au tho r

SHEET KEYNOTES

M314 PROVIDE VICTAULIC FLEX COUPLINGS AND/OR

VICTAULIC EXPANSION JOINTS AS REQUIRED TO

ACCOUNT FOR THE EXPANSION OF ALL NEW PIPING

SYSTEMS. CALCULATE REQUIREMENTS FOR

THERMAL EXPANSION OF PIPING SYSTEMS AND FOR

SELECTING AND DESIGNING EXPANSION JOINTS,

LOOPS, AND SWING CONNECTIONS AND PROVIDE A

DELEGATED DESIGN SUBMITTAL FOR REVIEW AND

APPROVAL BY EOR. FOR ADDITIONAL INFORMATION,

SEE SPECIFICATION SECTION 230516 - EXPANSION

FITTINGS AND LOOPS FOR HVAC PIPING.

M316 PROVIDE ISOLATION VALVES AND CAPPED ENDS

PER 4" HHWS AND 4" HHWR BRANCH PIPING ON

EACH FLOOR FOR FUTURE CONNECTIONS.

M325 6" HHWS RISER AND 6" HHWR RISER ROUTED FROM

PARKING LEVEL. SEE MECHANICAL SECTIONS AND

PARKING LEVEL MECHANICAL PIPING PLANS FOR

ADDITIONAL INFORMATION.

M403 PROVIDE NEW 6" AND 8" ROUND SUPPLY DUCT AS

INDICATED. CONNECT TO EXISTING SUPPLY DUCT

MAIN.

M405 PROVIDE NEW RETURN DUCT AS INDICATED.

MD016 DISCONNECT EXISTING VAV BOX AS INDICATED.

SAVE BOX FOR FUTURE REUSE. SEE NEW WORK

PLAN FOR ADDITIONAL INFORMATION.

MD018 REMOVE EXISTING DIFFUSER AS INDICATED. SAVE

DIFFUSER FOR FUTURE REUSE. SEE NEW WORK

PLAN FOR ADDITIONAL INFORMATION.

SCALE: 1/4" = 1'-0"2 INDIANA AVENUE LEVEL NEW CONSTRUCTION HVAC- ENLARGED VIEW

SCALE: 1/4" = 1'-0"4 INDIANA AVENUE LEVEL NEW CONSTRUCTION PIPING - ENLARGED VIEW

SCALE: 1/4" = 1'-0"1 INDIANA AVENUE LEVEL DEMO HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"3 INDIANA AVENUE LEVEL DEMO PIPING - ENLARGED VIEW

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

H.8

H.7

H.4H.3

H.1

H.8

H.7

H.4H.3

H.1

30"ø FE

H.8

H.7

H.4H.3

H.1

4" HHWS 4" HHWR

10" CWS

10" CWR

M316

M325

H.8

H.7

H.4H.3

H.1

10" CWS

10" CWR

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:57 :21

P M

SECOND LEVEL FLOOR

PLAN - ENLARGED VIEW

M4.7 15749.000

Au tho r

SHEET KEYNOTES

M316 PROVIDE ISOLATION VALVES AND CAPPED ENDS

PER 4" HHWS AND 4" HHWR BRANCH PIPING ON

EACH FLOOR FOR FUTURE CONNECTIONS.

M325 6" HHWS RISER AND 6" HHWR RISER ROUTED FROM

PARKING LEVEL. SEE MECHANICAL SECTIONS AND

PARKING LEVEL MECHANICAL PIPING PLANS FOR

ADDITIONAL INFORMATION.

SCALE: 1/4" = 1'-0"1 03 SECOND LEVEL DEMO HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"3 03 SECOND LEVEL DEMO PIPING - ENLARGED VIEW

SCALE: 1/4" = 1'-0"2 03 SECOND LEVEL NEW CONSTRUCTION HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"4 03 SECOND LEVEL NEW CONSTRUCTION PIPING - ENLARGED VIEW

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

H.8

H.7

H.4H.3

H.1

MD020

14"x36" EA 12"x34" EA

H.8

H.7

H.4H.3

H.1

M408

14"x36" EA

12"x34" EA

30"ø FE

H.8

H.7

H.4H.3

H.1

10" CWS

10" CWR

4" HHWS 4" HHWR

M316

M325

H.8

H.7

H.4H.3

H.1

10" CWS

10" CWR

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:57 :24

P M

THIRD LEVEL FLOOR PLAN

- ENLARGED VIEW

M4.8 15749.000

Au tho r

SHEET KEYNOTES

SCALE: 1/4" = 1'-0"1 04 THIRD LEVEL DEMO HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"4 04 THIRD LEVEL NEW CONSTRUCTION PIPING - ENLARGED VIEW

SCALE: 1/4" = 1'-0"2 04 THIRD LEVEL NEW CONSTRUCTION HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"3 04 THIRD LEVEL DEMO PIPING - ENLARGED VIEW

ISSUE FOR BID 03 JULY 2025

ADDENDUM 1 27 AUG 2025

M316 PROVIDE ISOLATION VALVES AND CAPPED ENDS

PER 4" HHWS AND 4" HHWR BRANCH PIPING ON

EACH FLOOR FOR FUTURE CONNECTIONS.

M325 6" HHWS RISER AND 6" HHWR RISER ROUTED FROM

PARKING LEVEL. SEE MECHANICAL SECTIONS AND

PARKING LEVEL MECHANICAL PIPING PLANS FOR

ADDITIONAL INFORMATION.

M408 PROVIDE NEW EXHAUST DUCT AS INDICATED.

CONNECT TO EXISTING EXHAUST DUCT.

MD020 DISCONNECT AND REMOVE EXISTING EXHAUST

DUCT

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND

SYSTEMS.

THE CONTRACTOR SHALL COORDINATE EXACT LOCATION OF

EQUIPMENT, PANELS, AND CONTROLLERS WITH EQUIPMENT

INSTALLER PRIOR TO ROUGH-IN.

ISOLATION VALVES ARE NORMALLY OPEN (N.O.) UNLESS

SPECIFIED TO BE NORMALLY CLOSED (N.C.)

PRIOR TO ANY DEMOLITION AND NEW WORK, PERFORM TESTING

AND BALANCING OF THE EXISTING HEATING HOT WATER

HYDRONIC PUMPING SYSTEMS SERVING THE MOULTRIE BUILDIGN

AND THE C-STREET ADDITION. MEASURE PUMP FLOW, PUMP

SUCTION PRESSURE, PUMP DISCHARGE PRESSURE, AND TOTAL

SYSTEM FLOW AT EXISTING OPERATING PUMP SPEED. SUBMIT TAB

REPORT TO OWNER AND EOR FOR REVIEW. DO NOT PROCEED

WITH ANY WORK WITHOUT PRIOR TO FORMAL DIRECTION FROM

THE OWNER.

GENERAL SHEET NOTES

H.8

H.7

H.4H.3

H.1

MD018

8"x6" EA

8"ø SA

R1-1- 150 8"ø

LS2-1- 125

8"ø

LS2-1- 125

8"ø

16"x12" SA

MD020

MD017

8"x6" EA

H.8

H.7

H.4H.3

H.1

M410

16"x12" SA 8"ø SA

8"x6" EA

LS2-1- 150

8"ø

(BELOW)

M411

30"ø FE

8"x6" EA

8"x6" EA 8"x6" EA

LS2-1- 150

8"ø

(BELOW)

M413

M413

H.8

H.7

H.4H.3

H.1

10" CWR

10" CWS

M406

EXISTING 10" CWS

EXISTING 10" CWR

4" HHWS

4" HHWR

M325

M316

H.8

H.7

H.4H.3

H.1

(E) 10" CWS

(E) 10" CWR

MD021

MD021

NORTH

SHEET NUMBER

PROJECT NUMBER

SHEET TITLE

KEYPLAN

SEALS AND SIGNATURES

ISSUED FOR REV DATE

1700 NEW YORK AVENUE NW

SUITE 100

WASHINGTON, DC 20006

202.842.2100 www.smithgroup.com

Pl ot

Da te:

Mechanical Room 1000 Heating System Upgrade 500 Indiana Avenue N.W.

Washington, DC 20001

8/2 7/2

5 3

:57 :28

P M

FOURTH LEVEL FLOOR

PLAN - ENLARGED VIEW

M4.9 15749.000

Au tho r

SHEET KEYNOTES

M316 PROVIDE ISOLATION VALVES AND CAPPED ENDS

PER 4" HHWS AND 4" HHWR BRANCH PIPING ON

EACH FLOOR FOR FUTURE CONNECTIONS.

M325 6" HHWS RISER AND 6" HHWR RISER ROUTED FROM

PARKING LEVEL. SEE MECHANICAL SECTIONS AND

PARKING LEVEL MECHANICAL PIPING PLANS FOR

ADDITIONAL INFORMATION.

M406 PROVIDE NEW CONDENSER WATER PIPING.

CONNECT TO EXISITNG CONDENSER WATER PIPING.

M410 REUSE EXISTING DIFFUSER AS INDICATED.

M411 PROVIDE NEW 8" ROUND SUPPLY DUCT AS

INDICATED. CONNECT TO EXISTING SUPPLY DUCT

MAIN.

M413 INSTALL NEW EXHAUST DUCTWORK AND CONNECT

TO EXISTING EXHAUST DUCTWORK AT POINT OF

CONNECTION AS INDICATED.

MD017 DISCONNECT AND REMOVE EXISTING SUPPLY DUCT

AS INDICATED.

MD018 REMOVE EXISTING DIFFUSER AS INDICATED. SAVE

DIFFUSER FOR FUTURE REUSE. SEE NEW WORK

PLAN FOR ADDITIONAL INFORMATION.

MD020 DISCONNECT AND REMOVE EXISTING EXHAUST

DUCT

MD021 DISCONNECT AND REMOVE EXISTING CONDENSER

WATER SUPPLY AND CONDENSER WATER RETURN

PIPING BETWEEN POINTS OF DISCONNECTION AS

INDICATED TO SUPPORT CONSTRUCTION OF NEW

SHAFT.

SCALE: 1/4" = 1'-0"1 05 FOURTH LEVEL DEMO HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"4 05 FOURTH LEVEL NEW CONSTRUCTION PIPING - ENLARGED VIEW

SCALE: 1/4" = 1'-0"2 05 FOURTH LEVEL NEW CONSTRUCTION HVAC - ENLARGED VIEW

SCALE: 1/4" = 1'-0"3 05 FOURTH LEVEL DEMO PIPING - ENLARGED VIEW

C.

D.

E.

F.

G.

SEE DRAWING M0.1 FOR ABBREVIATIONS, SYMBOLS, GENERAL

NOTES.

SYSTEMS WITH AN '(E)' SUBSCRIPT ARE EXISTING TO REMAIN.

MAINTAIN ALL CONDUIT, WIRING, CIRCUIT CONTINUITY. PROTECT

FROM DAMAGE DURING CONSTRUCTION.

WHERE EXISTING BUILDING SERVICES AND/OR EQUIPMENT THAT IS

TO REMAIN IN USE ARE REQUIRED TO BE SHUT DOWN,

COORDINATE WITH THE OWNER 14 DAYS PRIOR TO SHUT DOWN.

INCLUDE ALL ASSOCIATED OVERTIME COSTS TO PERFORM THIS

WORK DURING WEEKENDS AND EVENINGS. INCLUDE ALL COSTS

FOR PROVIDING TEMPORARY POWER WHERE SHUT DOWN MUST

OCCUR FOR PERIODS LONGER THAN THESE HOURS.

FOR ALL WORK ON OR WITHIN EXISTING EQUIPMENT,

CONTRACTOR TO COORDINATE WITH EQUIPMENT MANUFACTURER

TO MAINTAIN WARRANTIES AND UL LISTINGS OF EQUIPMENT AND