GIVE Ctr W_Renv_Addendum_20231027.pdf

ADDENDUM #3

GIVE CENTER WEST RENOVATIONS

5550 PEACHTREE INDUSTRIAL BOULEVARD

NORCROSS, GA 30071

LPB-223035

SECTION 00 90 03

October 27, 2023

The following items shall take precedence over the Plans and Specifications for the above named project and shall become a part of the Contract Documents. Where any item called for in the Specifications or indicated on the Drawings is supplemented hereby, the original requirement shall remain in effect. Where any original item is amended, voided or superceded hereby, the provisions of such item not specifically amended, voided or superceded shall remain in effect.

The following changes are to be incorporated into the Construction Documents dated October 4, 2023. All those receiving this Addendum should modify their set of Contract Documents to show the below described changes. Changes are as follows:

I. PREVIOUS ADDENDA

1.1 Addendum #1, October 6, 2023.

A. Item 2.1- 00 11 19 - Advertisement was revised in Addendum #1.

See Item 2.1 below for further revision.

1.2 Addendum #2, October 18, 2023.

II. SPECIFICATIONS

2.1 Section 00 11 19 - Advertisement

A. Change the bid date to Thursday, November 2, 2023, 3:00 PM.

B. Revise Paragraph 1 as follows:

“Sealed bids will be received from bidders........:The furnishing of all labor, materials, and services necessary to perform the construction of GIVE CENTER WEST RENOVATIONS, 5550 Peachtree Industrial Boulevard Norcross, GA 30071 until Thursday, November 2, 2023, 3:00 p.m.”

2.2 Section 10 28 00 - Toilet Accessories

A. Paragraph 2.1.A, Code D: Replace discontinued product A54-974 with the following: “eXtremeAir Series, EXT Model”.

2.3 Section 12 35 00 - Science Lavatory Equipment

A. Paragraph 1.3.A, add an additional manufacturer:

“4. Diversified/Sheldon.”

LPB-223035 GIVE CENTER WEST RENOVATIONS 00 90 03-2

ADDENDUM #3 / 10-27-23

2.4 Section 23 00 00 - HVAC

A. Part 2 - Products:

1. Omit Section 2.1 - Roof Top Air Condition Units.

2. Omit Section 2.2 - Low Ton RTUs.

B. Add new section as follows:

“2.46 - Boiler Water Pumps A. Boiler water pumps shall be a high efficiency, in line, wet rotor, cast-iron booster pump suitable for hydronic heating systems.

Pump shall have PES impeller and direct drive ECM motor with built in thermal overload protection. Pump shall be of the size and capacity indicated on the drawings and shall be as manufactured by Grundfos Magna 3 or approved equal by B&G ecocirc XL.”

2.5 Section 23 09 00 - DDC

A. Omit Section 3.1 A - Temp control for RTUs.

III. DRAWINGS

3.1 Sheet A151 - REVISED SHEET ATTACHED

A. Remove RTUs, pipe curbs, and walkway pads as shown.

3.2 Sheet M101 - REVISED SHEET ATTACHED

A. Remove RTUs, add WSHPs, modify ductwork, add piping.

3.3 Sheet M201 - REVISED SHEET ATTACHED

A. Add section at water source heat pump that applies to units on M101.

3.4 Sheet M202 - REVISED SHEET ATTACHED

A. Revise as follows:

1. Delete 3/M202 RTU Condensate Drain Detail.

2. Add 3/M202 Fume Hood Exhaust Detail.

3. Modify 5/M202 Typical MDF/IDF Room Airconditioning Detail.

3.5 Sheet M301 - REVISED SHEET ATTACHED

A. Omit RTU schedules. Revise WSHPs, CT-1, HX-1, Boilers, Pumps &

ERU-6

3.6 Sheet M302 - REVISED SHEET ATTACHED

A. Revise VRF schedule.

3.7 Sheet M401 - REVISED SHEET ATTACHED

A. Remove RTU schematic and I/O Points.

3.8 Sheet P-101 - REVISED SHEET ATTACHED

A. Revise gas piping.

3.9 Sheet P-102 - REVISED SHEET ATTACHED

A. Revise gas piping.

LPB-223035 GIVE CENTER WEST RENOVATIONS 00 90 03-3

3.10 Sheet P-103 - REVISED SHEET ATTACHED

A. Revise gas piping.

3.11 Sheet E104 - REVISED SHEET ATTACHED

A. Revise transformer labeling.

3.12 Sheet E201 - REVISED SHEET ATTACHED

A. Remove (13) roof top units. Add (14) water source heat pumps.

3.13 Sheet E202 - REVISED SHEET ATTACHED

A. Add thermostats and revise the footprint of the Boilers B1 & B2.

3.14 Sheet E203 - REVISED SHEET ATTACHED

A. Remove one (1) thermostat and add one (1) thermostat.

3.15 Sheet E301 - REVISED SHEET ATTACHED

A. Add fire alarm remote annunciator. Remove one (1) duct mounted smoke detector. Relocate two (2) duct mounted smoke detectors.

3.16 Sheet E401 - REVISED SHEET ATTACHED

A. Revise Detail 6/E401.

3.17 Sheet E402 - REVISED SHEET ATTACHED

A. Revise panel schedules, riser diagram and Mech Equipment Legend.

Add Load Summary.

3.18 Sheet E403 - REVISED SHEET ATTACHED

A. Revise panel schedules.

IV. QUESTIONS & ANSWERS

4.1 QUESTION: Is there an allowance set up for the project for an ERRC/BDA system?

ANSWER: No.

4.2 QUESTION: The drawings call for the expansion of the existing fire alarm system. They indicate horn/strobes to be used for the project.

Is this project going to require a voice evac system with speaker/ strobe instead of horn strobes?

ANSWER: No. Voice evacuation is not provided by the fire alarm system.

4.3 QUESTION: Are the intercom call buttons in the classrooms going to be provided by the electrical contractor per detail 6 on E401?

ANSWER: Junction boxes and conduit for call back buttons are provided and installed by the electrical contractor.

Call back buttons are provided and installed by Division 27 00 00.

LPB-223035 GIVE CENTER WEST RENOVATIONS 00 90 03-4

4.4 QUESTION: Is there going to be a new fire alarm remote annunciator?

There is no location shown on the electrical drawings for it.

ANSWER: Yes, added in Vestibule 1.3.100. See Addendum #3.

4.5 QUESTION: The current transformer schedule does not list T-SL.

ANSWER: See Addendum #3.

4.6 QUESTION: The current SPD schedule is short 1: 120/208V SPD.

ANSWER: See Addendum #3.

4.7 QUESTION: Is there going to need to be an enclosed breaker or fused disconnect added on the secondary side of T-SL since panel SL is now located within line of sight of T-SL?

ANSWER: See Addendum #3.

4.8 QUESTION: Transformers T-LC and T-LCC appear to be labeled incorrectly on the floor plans.

ANSWER: Corrected in Addendum #3.

4.9 QUESTION: Is the electrical contractor responsible for wiring the occ sensors and relays for lighting provided by the mechanical contractor?

ANSWER: Occupancy sensors are to be provided and installed under separate contract by the Owner. Lighting relays are to be provided by HVAC and installed by the Electrical Contractor.

END OF ADDENDUM #3

ATTACHMENTS

X1X2X3X4X5X6X7X8X9X10X11X12 X11.5 X1.5X2.5X3.5X4.5X9.5

XA

XB

XC

XD

XE

XF

XG

XJ

XK

XL

XM

XN

XP

XQ

XH

X0.9 X1.1

X1.3X1.8X2.5X3.1X3.6X4.3

X4.6

X4.7

X1X2X3X4X5X6X7X8X9X10X11X12 X11.5 X1.5X2.5X3.5X4.5X9.5

XA

XB

XC

XD

XE

XF

XG

XJ

XK

XL

XM

XN

XP

XQ

XH

X0.9 X1.1

X1.3X1.8X2.5X3.1X3.6X4.3

X4.6

X4.7

1 1/16" = 1'-0"

OVERALL RENOVATION ROOF PLAN

NORTH

TRUE

NORTH

JOB

EXISTING MEMBRANE

ROOFING ON 1

2" HD COVER

BOARD ON EXISTING

BUILT-UP ROOFING SYSTEM

WITH 2" FIBERGLASS

INSULATION (R=7.8)

A151

TYP. ROOF

PATCH

E/GU

ERU-6

ERU-5

EXISTING

EXISTING

EXISTING EXISTING

EXISTING

A152

A152

E/DSE/DSE/DSE/DSE/DSE/DSE/DSE/DSE/DSE/DSE/DSE/DS

PC

EXISTING MEMBRANE ROOFING ON

2" HD COVER BOARD ON EXISTING

BUILT-UP ROOFING SYSTEM WITH 2"

FIBERGLASS INSULATION (R=7.8)

DSS-43

EF-F1

EF-M1

DSS-42

RH

DSS-4

DSS-45

PC

EF-S1

EF-S2

KE

DSS-41

PC

EXISTING

EXISTING

EXISTING

EXISTINGEXISTING

EXISTING EXISTING

EXISTING

EXISTING

EXISTING

EXISTINGEXISTING

EXISTING

EXISTING

EXISTING

EXISTING

EXISTING EXISTING

EXISTING

INTAKE HOOD

EXISTING EXPANSION

JOINT COVER TO REMAIN

EXISTING EXPANSION

JOINT COVER TO REMAIN

SEE SHEET A801 & A802 FOR

CANOPY PLANS, SECTIONS &

DETAILS

SEE SHEET A802

FOR CANOPY

DETAILS

SEE SHEET A802

FOR CANOPY

DETAILS

RL

E/RD E/RD

REMOVE EXISTING

EQUIPMENT

A151

2 TYP. ROOF

DECK PATCH

A151

A151

TYP. ROOF

HYDRANT

HY

HY

HY

HY

HY

A201

A201

A201

A802

A802

A151 2/3

NEW MEMBRANE

WALKWAY PADS

A151

TYP. EQUIP.

SUPPORT

A152

RH

EXISTING

INTAKE HOOD

INTAKE INTAKE

FLUE FLUE

EF-S1

EF-S3

MODIFY EXISTING

OPENING FOR NEW

ROOF HATCHADD. #2

ADD. #

INSTALL ALL SHEET METAL PER

SMACNA GUIDELINES.

P.T. WOOD NAILER SUPPLIED

W/ ROOF CURB

1'- 0"

F.V

P.T. WOOD NAILERS

INSULATED PREFABRICATED METAL

CURB

WELDED SPLICE

FASTENER AND SEAM PLATE AT 12" O.C. MAX

MEMBRANE

BONDING ADHESIVE

SEAM PLATE POSITIONED 12" BEYOND WALL

CUT-EDGE SEALANT IF REQUIRED BY ROOFING

MANUFACTURER

1 14" GALVANIZED ROOF NAILS

AT 6" O.C. MAX

EXISTING MEMBRANE ROOFING SYSTEM ON

EXISTING 12" COVER BOARD ON EXISTING

FIBERGLASS RIGID INSULATION ON 11

2" METAL

DECK

4 3" = 1'-0"

SUPPORT CURB DETAIL

PROVIDE ANGLE BRACING PER

STRUCTURAL REQUIRED FOR ROOF

DECK OPENINGS.

8" MI

N.

ALUMINUM PIPE VAULT

SEE MECH. DWGS.

P.T. WOOD NAILER SUPPLIED W/ROOF CURB

FASTENER AND SEAM PLATE AT 12" O.C.

MAX. POSITION FASTENERS PER

MANUFACTURER RECOMMENDATIONS

WELDED SPLICE

MEMBRANE BASE FLASHING ON BONDING

ADHESIVE

PIPING/CONDUIT

SEE PLUMBING OR

ELECTRICAL DWGS.

FILL VOID W/

BATT INSULATION

NEW P.T. WOOD BLOCKING

TYP.

EXTEND RIGID INSULATION INSIDE CURB. CUT

HOLES ONLY AS NECESSARY FOR PIPES TO PASS

THRU DECK

2" METAL ROOF DECK

EXISTING MEMBRANE ROOFING SYSTEM

TO REMAIN

6 3" = 1'-0"

PIPE CURB DETAIL

8" M

IN

WELDED SPLICE AS REQ'D

WELDED SPLICE

CONTINUOUS BEAD OF SEALANT AND WATER MASTIC PER

ROOFING MNFR RECOMMENDATIONS

PRE-MOLDED MEMBRANE VENT BOOT

(USE REINFORCED FLASHING MEMBRANE

IF REQ'D BY MANUFACTURER)

FASTENER AND SEAM PLATE AT

12" O.C. MAX

TPO FLASHING (UNSUPPORTED) OR TPO

MEMBRANE AS FLASHING

ROUND PENETRATION

CUT EDGE SEALANT IF REQ'D BY

MANUFACTURER

STAINLESS STEEL CLAMPING RING

WATER MASTIC

EXISTING MEMBRANE ROOFING

SYSTEM TO REMAIN

7 3" = 1'-0"

VTR DETAIL

FASTENER AND SEAM PLATE

AT 12" O.C. MAX

6"

MECHANICALLY ATTACHED MEMBRANE

ROOFING ON 12' HD ISO COVER BOARD

ON POLYISO RIGID INSULATION ON

EXISTING CONCRETE DECK

EXISTING MECHANICALLY

ATTACHED MEMBRANE

ROOFING ON COVER BOARD

WELDED SPLICE

CUT-EDGE SEALANT

EXISTING RIGID INSULATION

EXISTING BUILT UP ROOFING

ON COVER BOARD

2" FIE

LD

V

ER

IFY

3 3" = 1'-0"

ROOF PATCH DETAIL

EXISTING METAL ROOF DECK

6"6"

MIN. MIN.

36/7 PATTERN

ATTACH ROOF DECK TO SUPPORT WITH #12 SCREWS IN

A 36/7 PATTERN. ATTACH SIDE LAPS WITH #10 X 3 4"

SELF-TAPPING SCREWS @ 8" O.C.

Note:

EXISTING ANGLE LOCATIONS VARY @ EXISTING OPENING

36" COVERAGE

LAPLAP

EXISTING ROOF

DECK

EXISTING ROOF

DECK

DECK

PATCH

2 3/4" = 1'-0"

ROOF DECK PATCH DETAIL

EXISTING MEMBRANE ROOFING

SYSTEM TO REMAIN

WELDED SPLICE

CUT EDGE SEALANT IF REQ'D BY

MANUFACTURER

TURN-UP MEMBRANE AROUND PIPE

SUPPORT AND SLIDE RUBBER BOOT

DOWN INTO POSITION

AIR VENT

BACKFLOW

PREVENTER

AND DRAIN

FASTENER AND SEAM PLATE

5 1 1/2" = 1'-0"

ROOF HYDRANT DETAIL

PRE-FABRICATED

EQUIPMENT SUPPORT

8" M

IN

EXISTING MEMBRANE ROOFING SYSTEM

TO REMAIN

FASTENER AND SEAM PLATE AT 12" O.C.

MAX. POSITION FASTENERS PER

MANUFACTURER RECOMMENDATIONS

WELDED SPLICE

MEMBRANE BASE FLASHING

ON BONDING ADHESIVE

8 3" = 1'-0"

EQUIPMENT SUPPORT DETAIL A151

OV

ER

AL

L R

EN

OV

AT

IO

N

RO

OF

P

LA

N

DE

TA

ILS

223035

EDITION:

l p

AL

L

R

IG

H

TS

R

ES

ER

VE

D

L

IN

D

SA

Y

PO

PE

B

R

AY

FI

EL

D

W

ES

T

PI

KE

S

TR

EE

T, LA

W R

EN

C

EV

IL

LE

, G

A

PH

O

N E:

(7

) 9

-8 l pb at la nt a.

co m

PROJECT NO.:

DRAWN BY:

CHECKED BY:

B c

CURRENT REV. DATE:

ISSUE DATE

Author Checker

G

IV

E C

EN

TE

R W

ES

T

R

EN

O

VA

TI

O

N S

P

EA

C H

TR

EE

IN

D

U

ST

R

IA

L

BO

U

LE

VA

R

D N

O R

C R

O

SS

G

EO

R

G

IA

PE

AC

H

TR

EE

R

O

AD

N W

SU

W

AN

EE

G

EO

R

G

IA

G W

IN

N

ET

T

C O

U N

TY

PU

BL

IC

S C

H O

O

LS

SCHEMATIC 07-28-23

PRELIM TO DOE 07-28-23

FA

C

IL

IT

Y C

O D

E:

-0

DESIGN/DEVELOP 08-17-23

50% REVIEW 08-17-23

99% SUBMITTAL 09-12-23

PERMIT SET 09-12-23

PERMIT RESUB. 10-04-23

BIDDING 10-04-23

ROOF LEGEND

NO. DESCRIPTION DETAIL

E/GU EXISTING METAL GUTTER TO REMAIN

E/DS EXISTING METAL DOWNSPOUT TO REMAIN

E/RD EXISTING ROOF DRAIN TO REMAIN

PC PIPE CURB 6/A151

RTU ROOF TOP UNIT SEE MECH. DWGS.

ERU ENERGY RECOVERY UNIT SEE MECH. DWGS.

DSS SPLIT SYSTEM COMPRESSOR SEE MECH. DWGS.

RH ROOF HATCH 1/A152

RL ROOF LADDER 2/A152

KE KILN EXHAUST SEE MECH. DWGS.

HY ROOF HYDRANT 5/A151

EF EXHAUST FAN SEE MECH. DWGS.

VTR VENT THROUGH ROOF 7/A151

SYMBOL LEGEND

NO. DESCRIPTION DETAIL

EXISTING ROOF

MEMBRANE ROOF PATCH 2,3/A151

MEMBRANE WALKWAY PADS SEE SPECS.

ADDENDUM #2 10-18-23

ADDENDUM #3 10-27-23