Addendum 02 Drawings.pdf

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Attached to
Clinton County Courthouse South Door and Snowmelt Replacement
Solicitation number
23310
Issued by
Clinton County, South Haven City, Michigan

About this file

The document is a set of architectural and engineering drawings for the Clinton County Courthouse South Door and Snowmelt Replacement project in St. Johns, Michigan. The drawings, dated July 9, 2024, with Addendum 2 issued on July 29, 2024, detail comprehensive demolition and replacement of the existing snowmelt system across multiple levels of the courthouse. The project involves removing the entire existing snowmelt infrastructure, including heating supply and return piping, expansion tanks, air separators, pumps, heat exchangers, and associated controls, with work concentrated in areas such as the staff break room, mechanical room, storage room, and corridors.

The technical drawings provide detailed plans for both demolition (M-300, M-301) and new piping installation (M-401), along with electrical plans for power and demolition (E-301, E-501). The project includes specific requirements for contractors, such as coordinating ceiling removal with architectural trades, installing new glycol feeders, extending existing electrical circuits, and reinstalling lighting after ceiling work. Electrical specifications include providing a new 20A-3P breaker, reinstalling a flagpole light, and coordinating on/off settings with the owner. The drawings are prepared by Hobbs + Black Architects and use the Matrix project numbering system, with the project number 23-310.

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X-HS & X-HR PIPING TO FIRST

FLOOR STAFF BREAK ROOM. REFER

TO M-301 FOR CONTINUATION.

X-ZONE

MANIFOLD

X-HS & X-HR PIPING TO

GARDEN LEVEL MECHANICAL

ROOM. REFER TO SHEET

M-301 FOR CONTINUATION.

X-ZONE MANIFOLD

S

X-MOISTURE /

TEMPERATURE

SNOWMELT SLAB

SENSOR

S

SLAB SENSOR 1

CLINTON COUNTY

COURTHOUSE

1 1

X-HS & X-HR PIPING TO

GARDEN LEVEL STORAGE

ROOM. REFER TO SHEET

M-301 FOR CONTINUATION.

X-ZONE

MANIFOLD

X-HB

DEMOLITION NOTES

DISCONNECT, REMOVE AND DEMO EXISTING SNOWMELT SYSTEM

INCLUDING FLUIDS, TUBING, ZONE MANIFOLD, HEATING SUPPLY / HEATING

RETURN PIPING, SLAB SENSOR, CONTROL WIRING, MANIFOLD HOUSING,

AND ALL ASSOCIATED ACCESSORIES IN ITS ENTIRETY.

DISCONNECT, REMOVE, AND DEMO EXISTING HOSE BIBB. DEMO

ASSOCIATED PIPING TO BELOW FLOOR, CAP, AND ABANDONED.

CONSULTANT

SHEET TITLE

PROJECT NUMBER

SHEET NUMBER

PROJECT

Copyright 2019, Hobbs + Black Associates, Inc.C

ALL RIGHTS RESERVED

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23-310

M-300

23-310

OVERALL

SNOWMELT PLAN

- PIPING

DEMOLITION

N OVERALL SNOWMELT PLAN - PIPING DEMOLITION

LDT

CAT

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

0 1 5 10 20

ADDENDUM 2 07/29/2024

DEMOLITION NOTES

DISCONNECT, REMOVE, AND DEMO EXISTING HEATING

SUPPLY AND RETURN PIPING TO EXTENTS SHOWN.

DISCONNECT, REMOVE, AND DEMO ENTIRE EXISTING

SNOWMELT SYSTEM INCLUDING EXISTING EXPANSION

TANK, AIR SEPARATOR, PUMPS, HEAT EXCHANGER, AND

ALL ASSOCIATED ACCESSORIES IN ITS ENTIRETY .

SNOWMELT SYSTEM IS LOCATED ABOVE STAFF BREAK

ROOM CEILING. CONTRACTOR SHALL COORDINATE WITH

ARCHITECTURAL TRADES FOR CEILING REMOVAL /

INSTALLATION.

DISCONNECT, REMOVE, AND DEMO EXISTING SNOWMELT

CONTROLS AND ALL ASSOCIATED ACCESSORIES. PATCH

AND PAINT WALL /CEILING PENETRATIONS TO MATCH

EXISTING.

PIPING IN THE CORRIDOR IS LOCATED ABOVE THE

CEILING. CONTRACTOR SHALL COORDINATE WITH

ARCHITECTURAL TRADES FOR CEILING REMOVAL /

INSTALLATION.

DISCONNECT, REMOVE, AND ABANDON EXISTING COLD

WATER PIPING TO EXISTING HOSE BIBB. CAP EXISTING

COLD WATER SHUT OFF VALVE AT LOCATION SHOWN.

X-P

X-HX

X-AS

X-XT

X-

HS

X-

HR

X-

CW

X-

HW

X-

HW

R

X-HS/HR TO X-SNOWMELT

MANIFOLD. REFER TO

OVERALL PLANS.

X-1" X-1"

X-1"

X-2-1/2"

X-2-1/2"

X-P

MECH. ROOM

MEN'S LOCKER ROOM

CLOSET

CORR. X-1"

X-HXX-AS

X-HR

X-HS

X-1"

X-1"

X-

HR

X-

HS

X-P

X-P

X-XT

X-HR

X-HS

X-

HR

X-

HS

X-1"

X-HR & X-HS PIPING TO

X-SNOWMELT MANIFOLD.

REFER TO SNOWMELT SYSTEM

SITE PLAN FOR CONTINUATION 2

X-2" X-4"

X-CW TO X-HB, REFER TO

SNOWMELT SYSTEM

SITE PLAN FOR CONTINUATION

X-1" CW

X-HX

X-HS & X-HR PIPING TO

X-SNOWMELT MANIFOLD.

REFER TO OVERALL PLANS

FOR CONTINUATION

X-P

X-

HS

X-

HR

X-1"

X-1"

X-HS & X-HR UP

TO IN-FLOOR

HEAT

X-1"

X-XT

X-1"

X-1"

X-AS2

X-HR

X-HS

X-2" X-4"

X-

HR

X-

HS

STAFF BREAK ROOM

SUPP. STORAGE

CORR.

REFUGE

DIRECTOR

X-

HR

X-

HS

X-1"

4 X-SNOWMELT

CONTROL PANEL

23-310

CONSULTANT

SHEET TITLE

PROJECT NUMBER

SHEET NUMBER

PROJECT

Copyright 2019, Hobbs + Black Associates, Inc.C

ALL RIGHTS RESERVED

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FIRST FLOOR

AREA OF WORK

GARDEN LEVEL

MECH. ROOM,

AREA OF WORK

KEY PLANN

SCALE: NTS

GARDEN LEVEL

STORAGE ROOM,

AREA OF WORK

ISSUE FOR BIDDING 07/09/2024

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23-310

M-301

23-310

ENLARGED FLOOR

PLANS - PIPING

DEMO

LDT

CAT

N PARTIAL FIRST FLOOR - PIPING DEMOLITION N PARTIAL GARDEN LEVEL - MECHANICAL ROOM - PIPING DEMOLITION

SCALE: 1/4" = 1'-0"

0 1 5 10

SCALE: 1/4" = 1'-0"

0 1 5 10

N PARTIAL GARDEN LEVEL - STORAGE ROOM - PIPING DEMOLITION

SCALE: 1/4" = 1'-0"

0 1 5 10

PIPING KEY NOTES

MODIFY EXISTING PIPING AS REQUIRED TO CONNECT TO

NEW PIPING.

SNOWMELT SYSTEM IS LOCATED ABOVE STAFF BREAK

ROOM CEILING. CONTRACTOR SHALL COORDINATE WITH

ARCHITECTURAL TRADES FOR CEILING REMOVAL /

INSTALLATION.

INSTALL NEW EXPANSION TANK ON EXISTING SHELF

LOCATED ABOVE CEILING AT LOCATION SHOWN.

INSTALL NEW GLYCOL FEEDER AT LOCATION SHOWN ON

NEW WALL MOUNTED SHELF ABOVE CEILING.

INSTALL NEW GLYCOL FEEDER AT LOCATION SHOWN ON

NEW WALL MOUNTED SHELF.

PIPING IN THE CORRIDOR IS LOCATED ABOVE THE CEILING.

CONTRACTOR SHALL COORDINATE WITH ARCHITECTURAL

TRADES FOR CEILING REMOVAL / INSTALLATION.

X-

HS

X-

HR

X-

CW

X-

HW

X-

HW

R

X-2-1/2"

X-2-1/2"

MECH. ROOM

MEN'S LOCKER ROOM

CLOSET

CORR.

HX-1

AS-1 1-1/2"

M800

CSF-1

P-1

1-1/2" HS/HR TO SNOWMELT

ZONE #1. REFER TO OVERALL

PLANS FOR CONTINUATION.

XT-1

HS HR

GMU-1 5

X-HR

X-HS

X-2" X-4"

X-1" CW

HS

HR

2" HR & 2" HS PIPING TO

SNOWMELT MANIFOLD.

REFER TO PARTIAL SITE

PLAN FOR CONTINUATION2" HS /

HR

2"

GMU-3

HX-3

XT-3

CSF-3

AS-3

P-3

2"

HR

HS

2" HS

2" HR

M800

X-CW (ABANDONED)

X-1"

X-HS & X-HR UP

TO IN-FLOOR

HEAT

X-HR

X-HS

X-2" X-4"

X-

HR

X-

HS

STAFF BREAK ROOM

SUPP. STORAGE

CORR.

REFUGE

DIRECTOR

X-

HR

X-

HS

X-1"

HX-2

1-1/2" HS & HR PIPING TO

SNOWMELT MANIFOLD.

REFER TO OVERALL PLANS

FOR CONTINUATION

HS

HR

1-1/2"

1-1/2"

AS-2

M800

XT-2

CSF-2

P-2

3/4"

GMU-2

3/4"

23-310

CONSULTANT

SHEET TITLE

PROJECT NUMBER

SHEET NUMBER

PROJECT

Copyright 2019, Hobbs + Black Associates, Inc.C

ALL RIGHTS RESERVED

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FIRST FLOOR

AREA OF WORK

GARDEN LEVEL

MECH. ROOM,

AREA OF WORK

KEY PLANN

SCALE: NTS

GARDEN LEVEL

STORAGE ROOM,

AREA OF WORK

ISSUE FOR BIDDING 07/09/2024

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23-310

M-401

23-310

ENLARGED FLOOR

PLANS - PIPING

NEW

LDT

CAT

N PARTIAL FIRST FLOOR - PIPING NEW N PARTIAL GARDEN LEVEL - MECHANICAL ROOM - PIPING NEW

SCALE: 1/4" = 1'-0"

0 1 5 10

SCALE: 1/4" = 1'-0"

0 1 5 10

N PARTIAL GARDEN LEVEL - STORAGE ROOM - PIPING NEW

SCALE: 1/4" = 1'-0"

0 1 5 10

NO WORK IN THIS AREA UNLESS OTHERWISE NOTED.

DISCONNECT EQUIPMENT FOR REMOVAL BY OTHERS. CONDUIT AND WIRE

SHALL REMAIN FOR CONNECTION OF NEW EQUIPMENT, MODIFY AS

REQUIRED.

EXISTING EQUIPMENT TO REMAIN.

CONTRACTOR SHALL COORDINATE CEILING REMOVAL WITH OTHER TRADES,

DISCONNECT AND RE-SUPPROT LIGHTING AS NEEDED. RE-INSTALL ALL

LIGHTING AFTER CEILING WORK IS COMPLETED.

DISCONNECT CONTROL PANEL FOR REMOVAL BY OTHERS. REMOVE

CONDUIT AND WIRE BACK TO SOURCE.

DISCONNECT AND REMOVE EXISTING IN-GRADE FLAGPOLE LIGHT. REMOVE

ASSOCIATED CONDUIT AND WIRE BACK TO PANEL.

DEMOLITION NOTES

X-P

SNOWMELT

CONTROLLER

3 TEX LP-1

RP-1A

RP-1B 3

3 3

CONSULTANT

SHEET TITLE

PROJECT NUMBER

SHEET NUMBER

PROJECT

Copyright 2019, Hobbs + Black Associates, Inc.C

ALL RIGHTS RESERVED

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J H G F E D C B A

J H G F E D C B A

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DATE ISSUED

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ISSUE FOR BIDDING 07/09/2024

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23-310

E-301

23-310

ELECTRICAL

1ST FLOOR

DEMOLITION

N ELECTRICAL - 1ST FLOOR PLAN - DEMOLITION

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

0 1 5 10 20

MJTC

JFS

P-3

480V-3Ø, 1HP

GMU-3

120V-1Ø, 500W

LP-1-7,9,11

TEX LP-1

RP-1A

RP-1B

TC

ELECTRICAL KEY NOTES

NO WORK IN THIS AREA UNLESS OTHERWISE NOTED.

CONTRACTOR SHALL EXTEND EXISTING 120V SNOWMELT CIRCUIT TO NEW

GMU. PROVIDE REQUIRED DISCONNECTING MEANS.

CONTRACTOR SHALL PROVIDE AND INSTALL NEW 20A-3P

BREAKER IN EXISTING 480V PANEL. NEW BREAKER SHALL MATCH

EXISTING BREAKER TYPE. EXISTING PANEL IS SQUARE D.

CONTRACTOR SHALL RE-INSTALL ALL LIGHTING AFTER CEILING WORK IS

COMPLETED.

CONTRACTOR SHALL PROVIDE NEW CONDUIT AND WIRE, RE-USE EXISTING

BREAKER SPACE AND PANEL. CONTRACTOR SHALL PROVIDE NEW

ASTRONOMICAL TIMECLOCK FOR LIGHTING, COORDINATE ON/OFF SETTINGS

WITH THE OWNER.

CONTRACTOR SHALL PROVIDE NEW IN-GRADE LIGHT FIXTURE TO LIGHT

FLAGPOLE. COORDINATE AIMING OF LIGHT FIXTURE IN THE FIELD WITH

FLAGPOLES. FIXTURE SHALL BE HYDREL TIERRA

#IGF6-SS-LED-P1-80CRI-40L-MVOLT-15DEG STATIC WHITE OR EQUAL.

CONSULTANT

SHEET TITLE

PROJECT NUMBER

SHEET NUMBER

PROJECT

Copyright 2019, Hobbs + Black Associates, Inc.C

ALL RIGHTS RESERVED

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J H G F E D C B A

J H G F E D C B A

Sheet Size - 30x42

DATE ISSUED

DRAWN BY

CHECKED BY

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ISSUE FOR BIDDING 07/09/2024

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23-310

E-501

23-310

ELECTRICAL

1ST FLOOR

NEW POWER

N ELECTRICAL - 1ST FLOOR PLAN - POWER

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

0 1 5 10 20

MJTC

JFS

22597.00 - CC Snowmelt - Addendum 2 (Mechanical Drawings)
Sheets and Views
M300-2259700-M300
M301-2259700-M301
M401-2259700-M401
22597.00 - CC Snowmelt - Addendum 2 (Electrical Drawings)
E301-2259700-30x42
E501-2259700-30x42

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