Addendum Three.pdf

COMMONWEALTH OF KENTUCKY

DEPARTMENT FOR FACILITIES AND SUPPORT SERVICES

DIVISION OF ENGINEERING AND CONTRACT ADMINISTRATION

INVITATION TO BID NO: RFB-161-24

FOR: Kitchen Renovation Owensboro Community & Technical College Kentucky Community & Technical College System Owensboro, Kentucky

DATE: February 6, 2024

RFB-785-2400000351

ADDENDUM NO. Three (3)

BIDDER SHALL CONFORM TO THE FOLLOWING CHANGES AS SAME SHALL BECOME BINDING

UPON THE CONTRACT TO BE ISSUED IN RESPONSE TO THIS INVITATION TO BID.

Item 1: Refer to addendum to be distributed by Lynn Imaging for all additions, deletions, and/or changes to specifications and/or drawings.

END OF ADDENDUM

Invitation to Bid No. RFB-161-24 For: Kitchen Renovation Owensboro Community & Technical College Kentucky Community & Technical College System Owensboro, Kentucky

Susan Ward, Statewide Procurement Analyst II Division of Engineering and Contract Administration

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T000-LASTNAME-

INT

Project: Addendum No.:

Date: , 2024

Owner: Project Number:

Contract for:

The original specifications and drawings dated September, 2023 for the project noted above are amended as noted in this Addendum Number 003. Receipt of this addendum and any subsequent addenda must be acknowledged on the final bid documents. This addendum consists of One (1) item(s) and One (1) attachment(s).

2-1 Reference attached Sheet M1.1. Replace Sheet M1.1 bound in the Construction Documents with the Sheet attached herein..

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Attachments:

By:

CC:

S-1

S-1

"ø

10"ø

S-1

S-1

R-1

14"x12"

"ø

"ø

M6

12"ø

12"ø

12"ø

12"ø 1 "ø

M4 M5

"ø

M4

M3

M3

M7

24"x16"

M1 M1

M1

M1

M2

M8

M9

M10

M10

M10

8' - 6"

6' - 0"

17' - 4"

2' - 0"

2' - 0"

COOLING MIXED AIR TEMPERATURE

CFM DB (°F) WB (°F)

TOTAL COOLING SUPPLY: 7,000 AMBIENT TEMP: 94 77

O.A.: 1,200 RETURN AIR TEMP: 75 62.5 (50% RH)

DRY BULB (°F): 78.3 PERCENTAGE O.A.: 17%

WET BULB (°F): 65.0

PROJECT: OCTC KITCHEN RENOVATION

UNIT TAG: EXISTING AC-1

COOLING MIXED AIR TEMPERATURE

CFM DB (°F) WB (°F)

TOTAL COOLING SUPPLY: 11,600 AMBIENT TEMP: 94 77

O.A.: 2,200 RETURN AIR TEMP: 75 62.5 (50% RH)

DRY BULB (°F): 78.6 PERCENTAGE O.A.: 19%

WET BULB (°F): 65.3

UNIT TAG: EXISTING AC-2

CFM CFM

TOTAL BUILDING EXHAUST: -1530 SPACE EXHAUST: -3150

TOTAL BUILDING OA: 3400 SPACE MAKEUP AIR UNIT: 2520

SPACE OA(DINING ROOM/KITCHEN): 988 (19% OF 5200 CFM SUPPLY)

KITCHEN HOOD EXHAUST: -3150 BUILDING EXTRA MAKEUP AIR THROUGH SERVING COUNTER WINDOW

AT DESIGN AIRFLOW

MAKEUP AIR UNIT: 2520 TOTAL SPACE AIRFLOW: 358 CFM (POSTIVE)

TOTAL BUILDING AIRFLOW: 1240 CFM (POSTIVE)

RAISE MINIMUM AIRFLOW SETPOINT ON VAV BOXES, 1-1, 1-11, 1-12, 2-2, 2-8, 2-10, 2-11, 2-12, 2-13 TO 35% OF DESIGN AIRFLOW DESIGN AIRFLOW FOR SPACES OPEN TO DINING ROOM IS 1800 X .35 X .17 = 107(AC-1) 8800 X .35 X .19 = 585(AC-2)

107 CFM + 585 CFM = 692 > 630 REQUIRED FOR ADDITIONAL MAKEUP AIR.

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DRAWING INFORMATION

CHECKED BY

REVISION HISTORY OF THIS DRAWING

DRAWING NO.

AS BUILT DATE

MM/DD/YR

COMMONWEALTH OF KENTUCKY

FINANCE AND ADMINISTRATION CABINET

DEPARTMENT FOR FACILITIES AND SUPPORT SERVICES

DIVISION OF ENGINEERING AND CONTRACT ADMINISTRATION

FRANKFORT, KENTUCKY

DESCRIPTION OF REVISIONS DATE

RTA DATE

AS BUILT DATE MM/DD/YR

DRAWN BY

A&E FILE NO. 2301-124

DECA LOG #

ACCOUNT NO.

470 CAU8 OC 3200

DESCRIPTION OF REVISIONS DATE

DESIGNED BY

11/03/2023

11/03/2023

KCTCS - OCTC KITCHEN RENOVATION

KITCHEN HVAC PLANS

M1.1

WSD

RWS

RWS

PLAN NOTES:

M1 REMOVE SUPPLY DIFFUSER AND DUCT TO WHERE SHOWN.

GENERAL NOTES:

A. THE HVAC DRAWINGS ARE DIAGRAMMATIC AND ARE INTENDED

TO INDICATE GENERAL ARRANGEMENT OF EQUIPMENT,

DUCTWORK AND PIPING. CONTRACTOR SHALL MAKE

MODIFICATIONS IN THE INSTALLATION SO ALL EQUIPMENT AND

MATERIALS FIT PROPERLY AND CAN BE SERVICED. COORDINATE

ALL WORK WITH OTHER TRADES.

B. COORDINATE LOCATION OF GRILLES AND DIFFUSERS WITH

ARCHITECTURAL REFLECTED CEILING PLANS.

C. COORDINATE DUCTWORK WITH LIGHT FIXTURE SUPPORTS,

CONDUIT, PLUMBING, FIRE PROTECTION PIPING AND OTHER

TRADES.

D. ALL CONTROL WIRING SHALL BE BY MECHANICAL CONTRACTOR.

E. SEAL AROUND ALL PENETRATIONS.

F. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE FOLLOWING

REGULATIONS, CODES, AND STANDARDS.

KENTUCKY BUILDING CODE

KENTUCKY MECHANICAL CODE

KENTUCKY PLUMBING CODE

SMACNA HVAC DUCT CONSTRUCTION STANDARDS

OSHA

G. ROUTE DUCTWORK AS SHOWN ON PLAN; FIELD VERIFY ROUTING,

AND CLEARANCES. PREFABRICATE AS MUCH DUCT AS POSSIBLE.

ALLOW FOR FIELD TRIM AND ADJUSTMENTS. COORDINATE ANY

CONFLICTS WITH ARCHITECT PRIOR TO INSTALLATION.

H. FIRESTOP ALL FIRE-RATED WALL OR FLOOR PENETRATIONS.

I. ROUTE ALL DUCTWORK AS TIGHT AS POSSIBLE TO BOTTOM OF

STRUCTURE AND HIGH BETWEEN STRUCTURE. COORDINATE WITH

OTHER TRADES TO MAINTAIN CEILING HEIGHTS.

J. ADJUST TOTAL SYSTEM AIRFLOW REQUIRED TO MEET DESIGN.

K. ALL SUPPLY AND RETURN DUCTWORK SHALL BE EXTERNALLY

INSULATED.

L. ALL THERMOSTATS SHALL BE MOUNTED AT 60" A.F.F. UNLESS

NOTED OTHERWISE. WHEN AN ELECTRICAL SWITCH OR OTHER

DEVICE IS MOUNTED IN THE SAME LOCATION AS A THERMOSTAT,

ALL DEVICES SHALL BE ALIGNED VERTICALLY. VERIFY ALL

THERMOSTAT LOCATIONS WITH ARCHITECT PRIOR TO

INSTALLATION.

M. COORDINATE PIPE ROUTING WITH ALL TRADES. EQUIPMENT SHALL

MAINTAIN MANUFACTURER RECOMMENDED CLEARANCES AS

REQUIRED.

N. REFERENCE REFLECTED CEILING PLAN FOR TYPES AND HEIGHTS

OF CEILINGS.

O. CERTIFIED TEST AND BALANCE CONTRACTOR SHALL BALANCE

NEW AND EXISTING DIFFUSERS AND VAV BOXES TO NOTED

AIRFLOWS. TAB CONTRACTOR SHALL BE BY OWNER.

P. PIPING, DUCTWORK, EQUIPMENT, ETC. SHALL NOT BE SUPPORTED

FROM ROOF DECK. SUPPORT FROM STRUCTURE.

Q. REMOVE ABANDONED DUCTWORK AND PIPING IN CEILING CAVITY.

RE-SUPPORT DUCTWORK TO REMAIN AS REQUIRED.

1/4" = 1'-0"

KITCHEN HVAC PLAN

1/4" = 1'-0"

KITCHEN HVAC DEMOLITION PLAN

1'0' 2' 4'

North

1'0' 2' 4'

North

M2 REMOVE RETURN AIR GRILLE.

GRILLES AND DIFFUSERS SCHEDULE

SYMBOL MANUF. TYPE PANEL SIZE CORE TYPE INLET SIZE MAX. CFM THROW FEET

PRESSURE

DROP(IN.) SOUND N.C. MOUNTING REMARKS

S-1 PRICE ASPD 24"x24" SQUARE PLAQUE 10"ø 380 10 0.09 20 LAY-IN ALUMINUM

R-1 PRICE 81 24"x24" EGG CRATE 22"x22" 1860 - 0.05 20 LAY-IN 1/2"x1/2"x1" ALUMINUM

NOTES:

1. THROW DATA FOR SQUARE DIFFUSERS ARE BASED ON 4-WAY THROW TERMINAL VELOCITY AT 50 FPM.

2. PROVIDE APPROPRIATE MOUNTING HARDWARE FOR FLUSH MOUNTED FRAMES WHERE REQUIRED. SEE REFLECTED CEILING PLANS FOR TYPE OF CEILING.

M3 CONNECT 14"ø GREASE DUCT TO 15"x10" DUCT

CONNECTION ON HOOD. TRANSITION AS REQUIRED.

M4 14"ø WELDED 16 GAUGE CARBON STEEL GREASE DUCT WITH

1-1/2" THICK, 6 PCF, GREASE DUCT FIRE BARRIER WRAP.

PROVIDE CLEANOUT IN SIDE OF DUCT.

M5 20"x14"x14" WYE FITTING WITH 20"ø GREASE DUCT UP TO 20"x20" CONNECTION AT FAN CURB. PROVIDE CLEANOUT

WITHIN 3FT OF FAN CONNECTION. CONNECTION SHALL BE

FLANGED, GASKETED AND BOLTED. GASKET AND SEALING

MATERIALS SHALL BE RATED FOR CONTINUOUS DUTY AT

MINIMUM 1,500°F TEMPERATURE.

M6 12"ø MUA SUPPLY DUCT CONNECTION TO 24"x16" ON HOOD.

TRANSITION AS REQUIRED. TYP. OF 4 LOCATIONS.

M7 24"x16" MUA SUPPLY DUCT UP TO MUA UNIT OF ROOF.

TRANSITION AT CONNECTION AS REQUIRED.

1/4" = 1'-0"

ROOF HVAC PLAN

1'0' 2' 4'

North

M8 MAKEUP-AIR UNIT ON ROOF. SEE FOOD SERVICE DRAWINGS

FOR MORE INFORMATION.

M9 KITCHEN HOOD EXHAUST FAN ON ROOF. SEE FOOD SERVICE

DRAWINGS FOR MORE INFORMATION.

M10 ROOFTOP EQUIPMENT WALKWAY AND GUARDRAIL SYSTEM

TO BE PROVIDED AND INSTALLED BY G.C. REFER TO

SPECIFICATION SECTION 077246 ROOF ACCESSORIES FOR

MORE INFORMATION.

ADDENDUM #3 02/05/24