Addendum #1 Drawing

562 KB Posted

Attached to
Replace #2 Chiller on Camden Campus
Solicitation number
CCGA-2201
Issued by
Cherokee County, Brooklet City, Georgia

About this file

This Addendum #1 Drawing is a technical document prepared by NBP Engineers, Inc. for the Camden Center Chiller Replacement project (Project No. CCGA-2201) located in Kingsland, Georgia. The addendum, dated October 1, 2021, provides detailed mechanical and HVAC system drawings for the replacement of the #2 chiller unit on the Camden Campus. The drawings include large-scale plans of the mechanical room (M301 and M302 sheets) depicting both demolition work for existing systems and new work installation requirements. Key components identified for replacement include the chiller unit (CHR-2), chilled water pump (CP-2, 10 HP), combination starters, circuit breakers, refrigerant systems, expansion tanks, and associated piping for chilled water (CHS/CHR), condenser water (CS/CR), and hot water (HWS/HWR) lines. The document references existing building systems to remain, including the future chiller location, various air handlers, and pump units, with notation of the future chiller (CP) location for future expansion.

The technical specifications outlined in the addendum address electrical and mechanical modifications required for the chiller replacement. Electrical work includes removal of existing circuit breaker and feeder conduit from electrical room 1311, installation of a new 350-ampere, 3-phase circuit breaker with new 3#500 KCMIL and 1#2G conductors routed through existing 3-inch conduit, and provision of a new combination starter within line of sight of the new chiller. Mechanical work involves disconnecting and reconnecting the existing chilled water pump (CP-2), replacing the existing starter, and providing new conductors while reusing existing conductors where possible. The drawing references indicate coordination with architectural (21090a1.dgn) and timeline (21090tb.dgn) files, with the engineer's professional license (COA#PEF000774) valid through June 30, 2022, and prepared at 100% construction document stage.

Text of this file

UP

CONC. LOADING DOCK

R

S

T

V

Q

U

46 47 48 49

MECHANICAL

ROOM

131H

PLAN

ROOM

131G

CORRIDOR

TOILET

131J

ELECTRICAL

ROOM

131I

SEAL

SCALE:

FILE PATH:

P:\21090\21090m301.dgn

DATE PLOTTED

DGN FILE

01-OCT-2021

SHEET NUMBER:

316 CORPORATE PARKWAY

NBP Engineers, Inc.

MACON, GEORGIA 31210

NBP

ENGINEERS

478-745-1691 www.nbpengineers.com

No. REVISIONS/SUBMISSIONS DATE

DRAWN:

CHECKED:

DESIGNED:

DATE:

PROJECT NUMBER:

P R

O J E

C T

T

IT

L E

SHEET TITLE:

CONSULTANTS

THIS DRAWING IS THE PROPERTY OF THE

ENGINEER AND MAY NOT BE REPRODUCED

OR USED IN WHOLE OR IN PART

WITHOUT HIS WRITTEN PERMISSION. IT IS

TO BE USED FOR THE PROJECT

SPECIFICALLY IDENTIFIED HEREIN AND TO

BE RETURNED UPON REQUEST.

P:\21090\21090m301.dgn

AS SHOWN

09.13.21

21090

WSH

LTF

WSH

C O

N S T

R U

C T

IO

N

D

C U

M E

N T S

P ro je c t

N o C

C G

A -2

C C

G A C a m d e n C e n te r

C h il le r

R e p la c e m e n t

K in g s la n d

G e o rg ia

NBP Engineers, Inc. COA#PEF000774

COA Expiration: 6.30.2022

CHR-1

BLR-1

BLR-2

WH

FUTURE CHILLER

CP-1

CP-2

SP-2

SP-1

CHR-2

BHP-1

BHP-2

HP-1&2

FUT. CP

VFD-4 VFD-3

AH-4

REFRIGERANT MONITOR

T

SAF-4

UH-1

FILTER F-3

10"{

8"{

EF-12

EF-13

T

M301

DEMOLITION - HVAC

MECHANICAL ROOM -

LARGE SCALE -

G

T

225KVA

T

30KVA

HLS

ATS-Q

ES

HX

C

HGQ

B

A

MAIN

LX

LM

LGQ

HX

XLGQ

XLM

ATS-LS

EXISTING PIPES-IN

TUBE SPACE

TUBE SPACE

AIR SEPARATOR

ROOF TO CAP

16"{ THRU

FD

AP 3

FM

FM

FM

CONC. PAD

FM

3"

3"DN

M U

W

MUW

ABOVE DOOR

OAL

72"X42"

STARTERS(2)

STACKED

MVD

B.E. @12'0"

FRT

6" DN

6" DN

CH BYPASS FEED (4/M503)

PLG.

GAS IN

AP

FD

(B.E. @ 8" A.F.F.)

24"x24" LOUVER

METAL PLENUM

12" DEEP

P L

U M

B

IN

G

F P

ACP-CH/HW

CHW EXPANSION TANK

HW EXPANSION TANK

SD

FD

24"x16" OPENING W/FD

C H S

C H

R

C H

R

C S

C S

C R

C S

C R

H W

S

H W

R

R V

R V

6"CHS

C S

C S

C R

"H

W S

2" CHR

2" CHS

4"HWR

4"HWS

8"CHR

8"CHR 8"CHS

"H

W R

"H

W S

6"CR

H W

R

6"CHS

8"CHR

"C

H S

GAS METER

T UH-1

SAF-4

ON WALL

TREAT

CT CHEM

HW BYPASS FEED

LARGE SCALE - MECHANICAL ROOM - DEMOLITION - HVAC

SCALE:

= 1'-0

4 0 2 4 8

PURGE SWITCH

EXISTING MANUAL

REFRIGERANT LEAK INDICATOR

EXISTING SURFACE MOUNTED REMOTE

RA

36/18 RA

OA DUCT

12"{

STARTERS(2)

STACKED

LINE LEGEND

EXISTING TO REMAIN

DEMOLITION

SEE FIRE

C H S

NOTES:(THIS SHEET ONLY)

CONDUCTORS FROM THE EXISTING CONDUIT.

BE REUSED. REMOVE THE SERVING CIRUIT BREAKER AND THE

EXISTING SWITCHBOARD LOCATED IN ELECTRICAL ROOM 1311 CAN

WITH NEW CHILLER. THE EXISTING FEEDER CONDUIT FROM THE

EXISTING CHILLER NO. 2 TO BE REMOVED AND REPLACED IN PLACE

STARTER.

1311. REMOVE EXISTING STARTER AND PROVIDE NEW COMBINATION

EXISTING ELECTRICAL CIRCUIT FROM PANEL HX IN ELECTRICAL ROOM

IN PLACE WITH A NEW 10 HP PUMP. DISCONNECT AND RECONNECT

EXISTING CHILLED WATER PUMP CP-2 (10 HP) IS BEING REPLACED 2

1 ADDENDUM #1 10.01.21

UP

CONC. LOADING DOCK

R

S

T

V

Q

U

46 47 48 49

MECHANICAL

ROOM

131H

PLAN

ROOM

131G

CORRIDOR

TOILET

131J

ELECTRICAL

ROOM

131I

SEAL

SCALE:

FILE PATH:

P:\21090\21090m302.dgn

DATE PLOTTED

DGN FILE

01-OCT-2021

SHEET NUMBER:

316 CORPORATE PARKWAY

NBP Engineers, Inc.

MACON, GEORGIA 31210

NBP

ENGINEERS

478-745-1691 www.nbpengineers.com

No. REVISIONS/SUBMISSIONS DATE

DRAWN:

CHECKED:

DESIGNED:

DATE:

PROJECT NUMBER:

P R

O J E

C T

T

IT

L E

SHEET TITLE:

CONSULTANTS

THIS DRAWING IS THE PROPERTY OF THE

ENGINEER AND MAY NOT BE REPRODUCED

OR USED IN WHOLE OR IN PART

WITHOUT HIS WRITTEN PERMISSION. IT IS

TO BE USED FOR THE PROJECT

SPECIFICALLY IDENTIFIED HEREIN AND TO

BE RETURNED UPON REQUEST.

P:\21090\21090m302.dgn

AS SHOWN

09.13.21

21090

WSH

LTF

WSH

C

N S T

R U

C T

IO

N

D

C U

M E

N T S

P ro je c t

N o C

C G

A -2

C C

G A C a m d e n C e n te r

C h il le r

R e p la c e m e n t

K in g s la n d

G e o rg ia

NBP Engineers, Inc. COA#PEF000774

COA Expiration: 6.30.2022

CHR-1

BLR-1

BLR-2

WH

FUTURE CHILLER

CP-1

SP-2

SP-1

BHP-1

BHP-2

HP-1&2

FUT. CP

VFD-4 VFD-3

AH-4

REFRIGERANT MONITOR

T

SAF-4

UH-1

FILTER F-3

10"{

8"{

EF-12

EF-13

T

G

T

225KVA

T

30KVA

HLS

ATS-Q

ES

HX

C

HGQ

B

A

MAIN

LX

LM

LGQ

HX

XLGQ

XLM

ATS-LS

EXISTING PIPES-IN

TUBE SPACE

AIR SEPARATOR

ROOF TO CAP

16"{ THRU

FD

AP 3

FM

FM

FM

CONC. PAD

FM

3"

3"DN

M U

W

MUW

ABOVE DOOR

OAL

72"X42"

STARTERS(2)

STACKED

MVD

B.E. @12'0"

FRT

6" DN

6" DN

CH BYPASS FEED (4/M503)

AP

FD

(B.E. @ 8" A.F.F.)

24"x24" LOUVER

METAL PLENUM

12" DEEP ACP-CH/HW

CHW EXPANSION TANK

HW EXPANSION TANK

SD

FD

24"x16" OPENING W/FD

C H S

C H

R

C H

R

C S

C S

C R

C S

C R

H W

S

H W

R

R V

R V

6"CHS

C S

C S

C R

"H

W S

2" CHR

2" CHS

4"HWR

4"HWS

8"CHR

8"CHR 8"CHS

"H

W R

"H

W S

6"CR

H W

R

6"CHS

8"CHR

"C

H S

GAS METER

T UH-1

SAF-4

ON WALL

TREAT

CT CHEM

HW BYPASS FEED

PURGE SWITCH

EXISTING MANUAL

REFRIGERANT LEAK INDICATOR

EXISTING SURFACE MOUNTED REMOTE

RA

36/18 RA

OA DUCT

12"{

STARTERS(2)

STACKED

C H S

M302

SCALE:

= 1'-0

4 0 2 4 8

NEW WORK - HVAC

MECHANICAL ROOM -

LARGE SCALE -

LARGE SCALE - MECHANICAL ROOM - NEW WORK - HVAC

LINE LEGEND

POINT OF CONNECTION

EXISTING TO REMAIN

NEW WORK

NEW

CHR-2

6"

6"

NOTES:(THIS SHEET ONLY)

MATCH THE AIC RATING OF THE MAIN CIRCUIT BREAKER.

IN THE EXISTING MAIN SWITCHBOARD. NEW CIRCUIT BREAKER SHALL

NEW CHILLER STARTER. PROVIDE NEW 350A/3P CIRCUIT BREAKER

3#500 KCMIL, 1#2G IN EXISTING 3" CONDUIT. ROUTE CIRCUIT THRU

MAKE ALL FINAL CONNECTIONS TO NEW CHILLER. PROVIDE NEW

CONDUCTORS AS REQUIRED.

PUMP. REUSE EXISTING CONDUCTORS WHERE POSSIBLE. EXTEND

PROVIDE A NEW COMBINATION STARTER WITHIN LINE OF SIGHT OF

MAKE ALL FINAL CONNECTIONS TO THE NEW CHILLED WATER PUMP. 2

NEW

CP-2

10.01.21ADDENDUM #11

21090m301
References
afp, 21090a1.dgn
tb, 21090tb.dgn
21090m302
References
afp, 21090a1.dgn
tb, 21090tb.dgn
existing, 21090m301.dgn

Other files

File Type Posted
Addendum #1 —
Addendum #2 —
Plans —
Project Manual —
Invitation to Bid —
Award Information —

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