645 Pine, Burlington VT ADDENDUM #2 BID SET ISSUE – June 20, 2019 Page 1

ADDENDUM NO. 2

645 Pine Street, Burlington VT

Burlington, Vermont

Dore & Whittier Architects, Inc.

Project No. 18-0782

TO: ALL BIDDERS

FROM: DORE & WHITTIER ARCHITECTS, INC.

Architects • Project Managers 212 Battery Street Burlington, VT 05401 Tel. (802) 863-1428 Fax. (802)-863-6955

DATE: June 20, 2019

All Contractors submitting proposals for the above project shall take note of the following changes, additions, interpretations, etc., of

the drawings and specifications, and all such shall become part of the Contract.

Receipt of this Addendum shall be noted on the Form of Bid.

This Addendum consists of (2) pages and the following attachments:

DOCUMENTS: None this addendum

DRAWING SHEETS: None this addendum

SKETCHES: AD2.M01

ITEM REFERENCE

GENERAL:

AD2.01.01 In specification section 26 95 00 paragraph 3.04 SPARE PARTS – Remove Subparagraph A. Provide spare parts

as listed: (6) horn/strobes, (6) strobe only, (6) smoke detectors, (4) monitoring modules, (2) pull station, (2) duct

smoke detectors. No spare parts are required as part of the bid documents.

02 ARCHITECTURAL:

AD2.02.01 On sheet AD1.11 amend keynote 18 to read as follows:

DEMOLISH INTAKE DUCT & LOUVER AT MEZZANINE LEVEL. SEE STRUCTURAL DETAIL ON SHEET A1.51

– ADDITIONAL CUTTING OF THE DECK AND CONCRETE SLAB IS REQUIRED AT MEZZANINE SLAB IS

REQUIRED FOR INSTALLATION OF INFILL DECK AND SLAB.

Only the ductwork is to be removed. The Louver in the exterior wall is to remain as is.

03 FIRE PROTECTION:

AD2.03.01 None this addendum

04 PLUMBING:

AD2.04.01 None this addendum

645 Pine, Burlington VT ADDENDUM #2 BID SET ISSUE – June 20, 2019 Page 2

05

06 HVAC:

AD2.06.01 Refer to sketch AD2.M01 attached to this addendum for updates to both the keynotes on sheet M2.1 and the Roof

Top Unit Schedule on sheet M3.0. There were discrepancies between the model numbers assigned to each

alternate, and base bid. This information is to supersede all information provided in Addenda number 1 as it

relates to these roof top unites and the addition of alternate #8.

ELECTRICAL / FIRE ALARM:

AD2.06.02 Amend Keynote #1 on Sheet E5.1 to read: THE EXISTING FIRE ALARM SYSTEM IS A SILENT KNIGHT AN FCI

72 CONVENTIONALLY ZONED SYSTEM, THE SYSTEM COMPONENTS ARE NOT ADDRESSABLE, PROVIDE

A NEW NAC PANEL AS SHOWN FOR THE NEW DEVICES.

AD2.06.03 Update drawing E5.1 to include the following items:

• Provide a smoke detector over the existing annunciator panel at Vestibule 101.

• Provide a smoke detector over the power supply in the Mezzanine Closet over Garage 202

• Provide a smoke detector over the Garage 202 truck bay fire alarm power supply.

• The duct smoke detector in the corridor outside room 126 is currently non-functioning and is to be replaced

under the base bid.

• Provide and install a new heat detector in the sprinkler room to replace the existing device.

• Provide and install a new heat detector in the Electrical Room to replace the existing device.

• Replace the existing strobe light device only in Room 174.

AD2.06.04 The Fire Alarm Contractor is to provide a new FCI conventional 4-zone card in the existing FACP to provide a new

zone for the new Guardian Hood system in the new Kitchen/café area.

AD2.06.05 The existing Fire Alarm notification devices are by Cooper-Wheelock, the new devices shall be compatible and

synchronized with the existing devices.

07 ADDITIONAL BIDDERS’ QUESTIONS

AD2.07.01 Question: Can you please clarify if Alternate #8 noted in Addendum #1 replaces Alternate #7 on the bid form?

Answer: No. Alternate #8 is in addition to #7. Alternate #7 is for replacing the existing RTU-2 with a new RTU

Daikin RPS020D model. Alternate #8 is for replacing the existing RTU-2 with a Daikin DPS 020A Roof top unit

with DX cooling, gas heat and heat pump.

AD2.07.02 Question: Is the area above the dropped ceiling a plenum or non-plenum environment? Answer: It is non-

plenum. All returns are ducted.

END OF ADDENDUM NO.2

Project No.

She

et T

itle.

Sca

le

Dra

wn

By

Cop

yrig

ht ©

201

0 by

D

ore

and

Whi

ttier

Arc

hite

cts,

Inc.

(D

&W

)

Che

cke

d B

y

REF

:

12 /

06 /

2010

Dat

e

52 M

ackin

lay

Way

, Roc

kland

, MA

0237

0

12/8

/201

0 10

:01:

03 A

M

JOH

N W

. RO

GER

S M

IDD

LE S

CH

OO

L - R

OC

KLAN

D H

IGH

SC

HO

OL

AD5

A3

09-572

ENLA

RG

ED H

OR

IZO

NTA

L C

ON

TRO

L PL

AN -

AUD

ITO

RIU

M

JGH

JPH

A0.5

2

C:\U

sers\

jharri

s.DW

HIT\

Desk

top\11

17 A

D tem

plate.

pdf