Addendum 03.pdf

117 E. Allegan Street, Lansing, Michigan 48933 | 517.484.4870 Ann Arbor | Detroit | Lansing | Grand Rapids | Phoenix | hobbs-black.com

ADDENDUM 03

DATE: March 10, 2026

PROJECT: MSP Headquarters Upgrade Elevators, Michigan State Police Headquarters State Secondary Complex

DTMB File: 171/24099.TYC

H+B PROJECT: 24316

This Addendum is issued for the purpose of modifying and/or clarifying the original drawings and specifications and shall take precedence over them.

All work included herein shall be in accordance with the original drawings and specifications except as specifically noted herein. All incidental items required to provide the following modifications shall be included even though not specifically described.

This Addendum is being sent to all bidders receiving plans and specifications. Receipt of this Addendum shall be noted on Proposal Form in appropriate locations.

DRAWINGS

1. Drawing Sheet A-104 (reissued)

a. Added metal platform and stair to exit out of mechanical room space.

1) Fabricate metal stair and platform as indicated on drawings. Platform to have bolted connections as much as possible to be movable to access existing HVAC piping.

b. Added hollow metal door and frame.

1) Hollow metal frame to be Metallic coated steel sheet (16 gage minimum) welded frame to be field painted.

2) Hollow metal door to be flush Metallic-coated steel sheet minimum thickness of 0.042 inch with full flush edge construction. Door to be field painted.

3) Core to be manufacturers standard.

4) Frame anchors to be post install anchors.

5) Door Hardware: 1-1/2 pair of hinges, closer w/ integral door stop (90 degree open), storeroom lock and aluminum threshold. All new door hardware to match existing building hardware manufacturer for similar doors and be keyed to the owner's keying system.

c. Insulated metal panel to be 2.5” thick, r20, concealed fastener panel, with manufacturer's standard finish, color to match existing louver color, similar to Falk HFW 40 insulated wall panel or approved equal. Provide all necessary flashings, trims and sealant to provide a complete weather tight installation.

END OF ADDENDUM

JDM:ame Attachment: Sheet A-104 Cc: All Plan Holders (via Sigma)

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AutoCAD SHX Text CONSTRUCTION NOTES 1. MAINTAIN EXISTING FIRE RATING OF ALL ELEVATOR SHAFT WALLS WITH MAINTAIN EXISTING FIRE RATING OF ALL ELEVATOR SHAFT WALLS WITH INSTALLATION OF NEW LANTERN AND CALL BUTTON EQUIPMENT. 2. TOUCH UP PAINT OF SURROUNDING WALL TO MATCH EXISTING WALL TOUCH UP PAINT OF SURROUNDING WALL TO MATCH EXISTING WALL AFFECTED BY NEW WORK. WHERE NECESSARY, PAINT ENTIRE WALL TO NEAREST 90 DEGREE EDGE WITH MATCHING COLOR. 3. INSTALL COVER PLATE, AS NEEDED, TO COVER ANY HOLE THAT MAY BE INSTALL COVER PLATE, AS NEEDED, TO COVER ANY HOLE THAT MAY BE PRESENT FROM MODIFIED SIGNAGE, CALL BUTTON, OR LAMP SIZE CHANGE. 4. REFER ALSO TO GENERAL NOTES ON SHEET A-100. REFER ALSO TO GENERAL NOTES ON SHEET A-100. 5. REPAIR ALL EXISTING OPENINGS CAUSED BY REMOVAL OF EXISTING REPAIR ALL EXISTING OPENINGS CAUSED BY REMOVAL OF EXISTING ELEVATOR EQUIPMENT WITH CMU OR GYPSUM PANELS MATCHING FIRE RATING AND SURROUNDING WALL. . 6. FIELD VERIFY ALL DIMENSIONS AT ELEVATOR DOOR FRAMES. FIELD VERIFY ALL DIMENSIONS AT ELEVATOR DOOR FRAMES. 7. FIELD VERIFY ALL DIMENSIONS AT WIRE MESH PARTITIONSFIELD VERIFY ALL DIMENSIONS AT WIRE MESH PARTITIONS

AutoCAD SHX Text A

AutoCAD SHX Text DEMOLITION KEY NOTES REMOVE EXISTING FLOOR LEVEL SIGNAGE REMOVE EXISTING ELEVATOR CALL BUTTON PANEL REMOVE EXISTING HALL LAMP REMOVE EXISTING FIRE FIGHTERS EMERGENCY RETURN SWITCH AND COVER PLATE REMOVE EXISTING ELEVATOR MACHINERY, SEE MECHANICAL AND ELECTRICAL

AutoCAD SHX Text NEW CONSTRUCTION KEY NOTES INSTALL NEW FLOOR LEVEL SIGNAGE INSTALL NEW ELEVATOR CALL BUTTON PANEL INSTALL NEW HALL LAMP INSTALL NEW FIRE FIGHTERS EMERGENCY RETURN SWITCH AND COVER PLATE INSTALL NEW ELEVATOR MACHINERY, SEE MECHANICAL AND ELECTRICAL

AutoCAD SHX Text B

AutoCAD SHX Text C

AutoCAD SHX Text D

AutoCAD SHX Text E

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AutoCAD SHX Text H

AutoCAD SHX Text G

AutoCAD SHX Text K

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AutoCAD SHX Text

KEY PLAN

AutoCAD SHX Text G1

AutoCAD SHX Text A-104

AutoCAD SHX Text

AutoCAD SHX Text

SERVICE ELEVATOR AND MECHANICAL AREA

AutoCAD SHX Text

%%UFOURTH FLOOR PLAN

AutoCAD SHX Text

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

AutoCAD SHX Text

UL96AE00

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AutoCAD SHX Text A-104

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NORTH

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MAIN ELEVATOR MECHANICAL AREA

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%%UFOURTH FLOOR PLAN

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

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UL96AE00

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AutoCAD SHX Text A-104

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NORTH

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SERVICE ELEVATOR

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%%UFOURTH FLOOR ELEVATION

AutoCAD SHX Text

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

AutoCAD SHX Text

UL96AE00

AutoCAD SHX Text

AutoCAD SHX Text A-104

AutoCAD SHX Text

SERVICE ELEVATOR

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%%UFOURTH FLOOR ELEVATION DEMOLITION

AutoCAD SHX Text

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

AutoCAD SHX Text

UL96AE00

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AutoCAD SHX Text A-104

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AutoCAD SHX Text A-104

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AutoCAD SHX Text A-104

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AutoCAD SHX Text B

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AutoCAD SHX Text B

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AutoCAD SHX Text H

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AutoCAD SHX Text E

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AutoCAD SHX Text E

AutoCAD SHX Text REMOVE EXISTING LOUVERS AS NEEDED TO BRING IN NEW ELEVATOR EQUIPMENT. REINSTALL LOUVERS AS REQUIRED TO MATCH EXISTING CONDITIONS

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AutoCAD SHX Text A

AutoCAD SHX Text A

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13'-2" FIELD VERIFY

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5'-8" FIELD VERIFY

AutoCAD SHX Text 3'-0"

AutoCAD SHX Text 8"

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EXISTING WIRE MESH PARTITIONS AND LOCKABLE GATE

AutoCAD SHX Text

15'-10" FIELD VERIFY

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8'-1" FIELD VERIFY

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2'-2" FIELD VERIFY

AutoCAD SHX Text 2'-6"

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EXISTING WIRE MESH PARTITIONS AND LOCKABLE GATE

AutoCAD SHX Text

EXISTING AIR HANDLING UNIT TO REMAIN

AutoCAD SHX Text

EXISTING PIPING FOR HVAC EQUIPMENT TO REMAIN

AutoCAD SHX Text REMOVE EXISTING LOUVERS AS REQUIRED TO INSTALL NEW EXTERIOR DOOR AND EXIT PLATFORM

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AutoCAD SHX Text A-104

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AutoCAD SHX Text A-104

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EXISTING CONCRETE FLOOR

AutoCAD SHX Text C8x13.75 CHANNEL STRINGER PAINTED.

AutoCAD SHX Text BAR GRATING STAIR TREAD 1-1/4" x 3/16

AutoCAD SHX Text 8"

AutoCAD SHX Text 8"

AutoCAD SHX Text 11"

AutoCAD SHX Text 11 1/4"

AutoCAD SHX Text 4'-5 3/4"

AutoCAD SHX Text L3x3x1/4" LEGS w/ 4" x 4" x1/4" BASE PLATE EXPANSION BOLTED TO FLOOR.

AutoCAD SHX Text C6x8.2

AutoCAD SHX Text STANDARD DUTY RECTANGULAR WELDED BAR GRATING LANDING 1-1/4"x 316

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1/4" CHECKERED PLATE SILL SET IN MASTIC ON EXISTING MASONRY WALL

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EXISTING WALL AND ROOF CONSTRUCTION TO REMAIN

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ALUMINUM THRESHOLD SET IN MASTIC

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16 GA HOLLOW METAL DOOR FRAME (PAINTED)

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1-1/2" INSULATED METAL PANEL

AutoCAD SHX Text C6x8.2 FRAMING AT NEW DOOR OPENING

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EXISTING CONSTRUCTION TO REMAIN

AutoCAD SHX Text REMOVE (1) SECTION OF EXISTING METAL LOUVER TO INSTALL NEW HOLLOW METAL DOOR, FRAME AND CHANNEL FRAMING

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6'-4" FIELD VERIFY

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1-1/4" PIPE GUARDRAIL WELDED TO CHANNEL STRINGER / LANDING FRAME

AutoCAD SHX Text 3'-6"

AutoCAD SHX Text 1'-0"

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HOLLOW METAL DOOR (PAINTED)

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SCALE -

AutoCAD SHX Text %%uSTAIR PLATFORM SECTION

AutoCAD SHX Text 3/4" = 1'-0"

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YZSHTA104

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AutoCAD SHX Text A-104

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5'-3" FIELD VERIFY

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AutoCAD SHX Text A-104

AutoCAD SHX Text C8x13.75 CHANNEL STRINGER PAINTED.

AutoCAD SHX Text BAR GRATING STAIR TREAD 1-1/4" x 3/16

AutoCAD SHX Text L3x3x1/4" LEGS w/ 4" x 4" x1/4" BASE PLATE EXPANSION BOLTED TO FLOOR.

AutoCAD SHX Text STANDARD DUTY RECTANGULAR WELDED BAR GRATING LANDING 1-1/4"x 316

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1/4" CHECKERED PLATE SILL SET IN MASTIC ON EXISTING MASONRY WALL AT DOOR WAY

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HOLLOW METAL DOOR FRAME (PAINTED)

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EXISTING LOUVER TO REMAIN

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1-1/4" PIPE GUARDRAIL WELDED TO CHANNEL STRINGER / LANDING FRAME

AutoCAD SHX Text REMOVE EXISTING LOUVERS TO BRING IN NEW ELEVATOR EQUIPMENT. INSTALL NEW HOLLOW METAL DOOR, FRAME STEEL CHANNELS AND INSULATED METAL PANEL

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EXISTING HAVAC PIPING TO REMAIN

AutoCAD SHX Text 3'-1"

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FIELD VERIFY

AutoCAD SHX Text 3'-4 1/2"

AutoCAD SHX Text 1'-10 1/2"

AutoCAD SHX Text DOOR HARDWARE NOTE: 1. DOOR HARDWARE: 1-1/2 PAIR OF HINGES, CLOSER DOOR HARDWARE: 1-1/2 PAIR OF HINGES, CLOSER W/ INTEGRAL DOOR STOP (90 DEGREE OPEN), STOREROOM LOCK AND ALUMINUM THRESHOLD. ALL NEW DOOR HARDWARE TO MATCH EXISTING BUILDING HARDWARE MANUFACTURER FOR SIMILAR DOORS AND BE KEYED TO THE OWNER'S KEYING SYSTEM.

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SCALE -

AutoCAD SHX Text %%uSTAIR PLATFORM

AutoCAD SHX Text 1/2" = 1'-0"

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YZSHTA104

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AutoCAD SHX Text A-104

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4'-0" STAIR WIDTH

AutoCAD SHX Text 1'-7" +/-

AutoCAD SHX Text 4'-6"

AutoCAD SHX Text 1'-10"

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LANDING

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(2) TREADS AT 11"TREADS AT 11"