Upgrade_Add_No_1_(Proprietary).pdf

AECOM

27777 Franklin Road, Ste. 2000

Southfield, MI 48034 T: 248.204.5900

F: 248.204.5901 www.aecom.com

Addendum No. 1

Client: Selfridge Air National Guard Base Project Name: Upgrade HVAC Multiple Facilities

Location: Selfridge ANG Base, Michigan

Project No.: 60505971

Issue Date: August 15, 2019

This addendum refers to: includes drawings revised and reissued herein numbered M105, M105A, and E105.

AD1-1 NOTICE

A. This Addendum No. 1 to the contract documents for the above captioned project supersedes all contrary and/or conflicting information on said contract documents, where are hereby amended in certain particulars, as follows:

AD1-2 MECHANICAL DRAWING REVISIONS

A. Refer to drawing M105 “Building 129 – Mechanical Demo & New Work

Plans” (issued)

1. Revised “New Work Keyed Notes” M5 and M6.

2. Added “New Work Keyed Notes” M10 and M11.

3. At “First Floor – HVAC New Work Plan”, revised supply air ductwork to pop up into attic per keyed note M10. See Plan.

4. At “First Floor – HVAC New Work Plan”, added ducted return.

Route per keyed note M11. See Plan.

5. At “First Floor – HVAC New Work Plan”, added sidewall grilles, RG-2, in place of various lay-in return grilles. See plan.

6. At “First Floor – HVAC New Work Plan”, added grille size and cfm to all return grilles. See plan.

B. Refer to drawing M105A “Building 129 – Mechanical Schedules Details”

(issued)

1. Revised “Server Room AC-Unit Piping Diagram” to reflect ductwork route modifications.

Addendum No. 1 AECOM

Upgrade HVAC Multiple Facilities

60505971

2. Revised “Upflow Vertical Furnace Detail” to reflect ductwork route modifications.

3. At “Diffuser, Register, & Griller Schedule”, revised model number and overall size of RG-1.

4. At “Diffuser, Register, & Griller Schedule”, added RG-2.

5. At “Diffuser, Register, & Griller Schedule”, added Note 6 to all scheduled diffusers and grilles.

AD1-3 ELECTRICAL DRAWING REVISIONS

A. Refer Drawing E105 “Building 129 – Electrical Plans” (issued)

1. Revised “Architectural Keyed Notes” as shown on the drawing.

2. At “First Floor New Work Plan”, added note to install ceiling grid @

8’-0” at 2 rooms, as shown on the drawing.

BOILERS

EX. LP-B

225A, MCB

208/120V, 3ɸ, 4W

EX. LP-A

200A, MCB

208/120V, 3ɸ, 4W, 42 CKT

EX. P-1

EX. P-2

EX. P-3

EX. CU-1

EX. ACCU UNIT

(TO REMAIN)

EX. AC UNIT

(TO REMAIN)

EX. DWH

(TO REMAIN)

TOILET ROOM

TOILET ROOM

VESTIBULE

MECH. RM.

EX. PAD

MOUNTED

TRANSFORMER

(TO REMAIN)

EX. BP-129-1

CONTROLLER

EX. BP-129-2

CONTROLLER

OPEN

OFFICE

OFFICE

OFFICE

OFFICE OFFICE

OFFICE

SD

F

F

SD

FSDF

SD

F SD

F

F

HD

F

SD

F

EX. LP-B

225A, MCB

208/120V, 3ɸ, 4W

EX. LP-A

200A, MCB

208/120V, 3ɸ, 4W, 42 CKT

NEW

EUH-129-1

NEW

ACCU-129-1

EX. ACCU UNIT

(TO REMAIN)

EX. AC UNIT

(TO REMAIN)

EX. DWH

(TO REMAIN)

NEW

AHU-129-1

NEW

EUH-129-2

NEW

EUH-129-3

NEW

EUH-129-4

60A-3P

WP

TOILET ROOM

TOILET ROOM

VESTIBULE

MECH. RM.

EX. PAD

MOUNTED

TRANSFORMER

(TO REMAIN)

OPEN

OFFICE

OFFICE

OFFICE

OFFICE OFFICE

OFFICE

F

SD

F

SD

F

SD

F

30A-2P

SDFSDF

F

HD

F

SD

F

TOILET ROOM

TOILET ROOM

VESTIBULE

MECH. RM.

OPEN

OFFICE

OFFICE

OFFICE

OFFICE OFFICE

OFFICE

SD

F

F

SD

FSDF

SD

F SD

F

F

HD

F

SD

F

TOILET ROOM

TOILET ROOM

VESTIBULE

MECH. RM.

OPEN

OFFICE

OFFICE

OFFICE

OFFICE OFFICE

OFFICE

F

SD

F

SD

F

SD

F

SDFSDF

F

HD

F

SD

F http://www.AECOM.com

27777 Franklin Road, Suite 2000

Southfield, MI 48034

United States

P: 248 204 5900 F: 248 204 5901

UPGRADE

HVAC

MULTIPLE

FACILITIES

BUILDING 129

ELECTRICAL

PLANS

E105

NORTH

FIRST FLOOR

DEMOLITION PLAN

NORTH

FIRST FLOOR

NEW WORK PLAN

ELECTRICAL KEYED NOTES:

DISCONNECT AND REMOVE ALL ASSOCIATED CONDUIT AND WIRE FROM BOILERS AND ASSOCIATED PUMPS/EQUIPMENT, CU-1, AND UNIT HEATER (CROSS HATCHED) BACK TO SOURCE. LABEL BREAKERS

SPARE, UPDATE PANEL DIRECTORY.

REUSE EXISTING 40A, 2P SPARE CIRCUIT BREAKER IN LP-B, CIRCUITS 35 & 37 FOR NEW ACCU-129-1.

REMOVE EXISTING 40A, 2P SPARE CIRCUIT BREAKER IN LP-B, CIRCUITS 31 & 33 AND INSTALL (1) NEW

20A, 2P CIRCUIT BREAKER FOR EUH-129-1.

REFER TO THE ELECTRICAL CONNECTION EQUIPMENT SCHEDULE ON THIS DRAWING FOR AL;L

CIRCUITING INFORMATION.

REUSE EXISTING CIRCUIT, VERIFY IN FIELD.

USE SPARE 20A, 1P CIRCUIT BREAKER IN PANEL INDICATED, REFER TO PROJECT NOTES FOR

EXTERIOR GFCI RECEPTACLE INFORMATION.

EXISTING 2X4, FLUORESCENT LIGHT FIXTURES WITH (4) LAMPS SHALL BE DISCONNECTED AND

REMOVED CLEANED AND RE-LAMPED FOR RE-INSTALLATION. REUSE THE EXISTING LIGHTING

CIRCUIT EXTEND AS REQUIRED.

SUPPORT EXISTING CONDUITS ABOVE THE LAY-IN CEILING AND BELOW 12"X12" CEILING FROM THE

BUILDING STRUCTURE, THIS APPLIES FOR THE ENTIRE BUILDING.

SUPPORT EXISTING COMMUNICATION CABLES ABOVE THE LAY-IN CEILING AND BELOW 12"X12"

CEILING FROM THE BUILDING STRUCTURE UTILIZING 'J' HOOKS, THIS APPLIES FOR THE ENTIRE

BUILDING..

REMOVE ALL ABANDONED COMMUNICATION CABLES (CUT CABLES) BACK TO COMMUNICATION ROOM.

THIS APPLIES FOR THE ENTIRE BUILDING.

RELOCATE CEILING MOUNTED FIRE ALARM DEVICES TO NEW CEILING . COORDINATE WITH THE

CONTRACTING OFFICER. THIS APPLIES FOR THE ENTIRE BUILDING.

DISCONNECT AND REMOVE RECESSED DOWN LIGHTS AND ASSOCIATED SWITCHES INCLUDING ALL

CONDUIT AND WIRE BACK TO SOURCE.

E1

E2

E3

E4

E5

E6

E7

E8

E9

E10

E11

E12

GENERAL NOTES:

1. REFER TO DRAWING E-001 FOR SYMBOL LIST PROJECT NOTES.

ELECTRICAL CONNECTION SCHEDULE

EQUIPMENT

LOCATION

NEW

EQUIPMENT

ID

VOLTAGE/

PHASE LOAD VA PANEL

BRANCH O.C.P

TYPE CONNECTION WIRE/CONDUIT REMARKSCIRCUIT

NUMBER O.C.P SIZE

MECH. RM. AHU-129-1 120V-1ɸ 1644.0 LP-A 19 EX. 20A-1P HARDWIRED 2#12, 1#12GRD, 3/4"C. USE EXISTING CIRCUIT BREAKER

EXTERIOR BLD. ACCU-129-1 208V-1ɸ 4,930.0 LP-B 35, 37 EX.40A-2P HARDWIRED 2#8, 1#10GRD, 3/4"C. PROVIDE NEW CIRCUIT BREAKER

MECH. RM. EUH-129-1 208V-1ɸ 2000.0 LP-B 31, 33 NEW

20A-2P

HARDWIRED 2#12, 1#12GRD, 3/4"C. PROVIDE NEW CIRCUIT BREAKER

VESTIBULE EUH-129-2 120V-1ɸ 1500.0 LP-A 9 EX. 20A-1P HARDWIRED 2#12, 1#12GRD, 3/4"C. USE EXISTING CIRCUIT BREAKER

TOILET RM. 1 EUH-129-3 120V-1ɸ 1500.0 LP-A 11 EX. 20A-1P HARDWIRED 2#12, 1#12GRD, 3/4"C. USE EXISTING CIRCUIT BREAKER

TOILET RM. 2 EUH-129-4 120V-1ɸ 1500.0 LP-A 13 EX. 20A-1P HARDWIRED 2#12, 1#12GRD, 3/4"C. USE EXISTING CIRCUIT BREAKER

(TYP.)

EX.

60A-2P

WP

LOAD SUMMARY

LOAD REMOVED 16,550.4VA

LOAD ADDED 13,074.0VA

NET LOAD REDUCED 3,476.4VA

LP-A-6 WP

NORTH

FIRST FLOOR LIGHTING

DEMOLITION PLAN

NORTH

FIRST FLOOR LIGHTING

NEW WORK PLAN

ARCHITECTURAL KEYED NOTES:

REMOVE EXISTING LAY-IN ACOUSTIC PANELS, GRID AND SUSPENSION SYSTEM.

NOTE: SUSPENSION SYSTEM MAY BE ATTACHED TO CEILING ABOVE (WHICH HAS BEEN IDENTIFIED AS

HAVING ASBESTOS CONTAINING MATERIALS - ACM ). SEE ASBESTOS NOTES ON THIS SHEET.

REMOVE EXISTING SURFACE MOUNTED, ACOUSTIC TILES (AND GLUE PADS) FROM EXISTING PLASTER

CEILING. PATCH ANY AREAS OF EXISTING PLASTER DAMAGED DURING TILE /GLUE REMOVAL -

PROVIDE A SMOOTH LEVEL SURFACE. NOTE: THIS CEILING HAS BEEN IDENTIFIED AS HAVING

ASBESTOS CONTAINING MATERIALS - ACM ). SEE ASBESTOS NOTES ON THIS SHEET

PROVIDE NEW LAY-IN ACOUSTICAL CEILING PANELS -

BASIS OF DESIGN MANUFACTURER - ARMSTRONG

PRODUCT NUMBER - 534

PATTERN - CIRRUS

COLOR - WHITE

PROVIDE NEW METAL GRID SUSPENSION SYSTEM -

BASIS OF DESIGN MANUFACTURER - ARMSTRONG

PRODUCT NUMBER - PRELUDE XL

PATTERN - CIRRUS

COLOR - WHITE

NOTE: INSTALL NEW GRID SYSTEM AT THE SAME ELEVATION AS EXISTING GRID BEING REMOVED (EXCEPT

AT THE (2) ROOMS INDICATED ON THE LIGHTING PLAN - INSTALL @ 8'-0" A.F.F.

A1

A2

A3

A4

1. CONTRACTOR SHALL INCLUDE (IN THEIR BID) THE ABATEMENT OF ASBESTOS CONTAINING BUILDING MATERIALS (ACBM) REMOVED OR DISTURBED WHILE PERFORMING THEIR WORK AND/0R WHERE INDICATED

ON THE DRAWINGS .

2. ASBESTOS ABATED IN THE COURSE OF THIS PROJECT MUST BE PROPERLY COLLECTED, CONTAINERIZED AND DISPOSED OF IN A LANDFILL LICENSED TO ACCEPT ASBESTOS WASTE. ALL ASBESTOS DISPOSAL MANIFESTS MUST BE COORDINATED WITH, AND SIGNED BY, 127TH WING ENVIRONMENTAL MANAGEMENT

OFFICE PERSONNEL.

3. CONTRACTOR SHALL UTILIZE SELFRIDGE ANG BASE (SANGB) FORM 23 FOR TRACKING HAZARDOUS

MATERIALS AND SANGB FORM 72 FOR SOLID WASTE TRACKING AND DIVERSION.

4. CONTRACTOR SHALL ASSUME THE PRESENCE OF ASBESTOS CONTAINING MATERIALS ON EXTERIOR

DUCTWORK AT BUILDING 168

5. CONTRACTOR SHALL ASSUME THE PRESENCE OF ASBESTOS CONTAINING INSULATION ON PLUMBING AND MECHANICAL PIPING NOTED FOR DEMOLITION AND/OR ALTERATION. REFER TO MECHANICAL AND PLUMBING

DRAWINGS FOR ADDITIONAL INFORMATION.

ASBESTOS ABATEMENT NOTES

1. IF SUSPECTED ASBESTOS CONTAINING BUILDING MATERIAL (ACBM) IS ENCOUNTERED, WORK IN THE IMMEDIATE VICINITY MUST STOP AND THE OWNERS CONTRACTING OFFICER SHALL BE NOTIFIED. AFTER CONSULTATION WITH BASE PERSONNEL, THE OWNERS CONTRACTING OFFICER WILL DIRECT FURTHER ACTION TO BE TAKEN. WORK SHOULD PROCEED UNINTERRUPTED IN UNAFFECTED AREAS OF THE PROJECT.

2. BASED ON THE AGE OF THE BUILDINGS AT SELFRIDGE ANG BASE, THERE IS THE POTENTIAL FOR THE PRESENCE OF LEAD ON PAINTED SURFACES. BEST MANAGEMENT PRACTICES MUST BE EMPLOYED TO MINIMIZE DUST AND ADEQUATELY PROTECT WORKERS FROM LEAD BASED PAINT (LBP) EXPOSURE IN

ACCORDANCE WITH OSHA AND MIOSHA STANDARDS.

3. IF ASBESTOS AND/OR LEAD IS SUSPECTED IT SHOULD BE TESTED FOR. IF EITHER ASBESTOS AND/OR LEAD

IS FOUND, FOLLOW APPLICABLE OSHA GUIDELINES FOR REMEDIATION.

4. COPIES OF ASBESTOS INSPECTION REPORT FOR BUILDINGS AND AREAS IDENTIFIED AS HAVING ASBESTOS

CONTAINING MATERIALS ARE AVAILABLE UPON REQUEST

ASBESTOS/LEAD DISCOVERY NOTES

INSTALL CLG. GRID

@ 8'-0" A.F.F. (@ THESE

ROOMS ONLY)

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SHEET

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OF

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SELFRIDGE AIR

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NATIONAL GUARD

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BASE, MICHIGAN

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REVISIONS:

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PROJECT

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02/26/2019 - 100% SUBMITTAL

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AS NOTED

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8/15/19 ADDENDUM #1