HomeMy WebLinkAboutContract #: 012156 - From: To: - Exception - ExceptionA
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
ADDENDUM No. 6
8 October, 2014
PART 1 —GENERAL
1.1 DESCRIPTION
A. This addendum shall supplement, amend and become part of the bid documents. Bid
Documents are the Contract Documents, Drawings and Specifications, for the North
Andover Central Fire Station dated August 28, 2014. All bids and the construction contract
shall be based on these modifications.
B. The Town of North Andover is rebidding Division 23 —HEATING, VENTILATIING AND AIR
CONDITIONING, Section 23 00 00 HVAC and Section 23 05 48 Vibration Control &
Seismic Restraint. The Sub -Bid re -bid Deadline is Wednesday, October 22 at 2:00 PM.
1.2 PROCEDURES
A. The attention of bidders submitting proposals for the above subject project is called to the
following addendum to the specifications and drawings. The items set forth herein, whether
of omission, addition, substitution, or clarifications are all to be included in and form a part
of the proposal submitted.
B. THE NUMBER OF THIS ADDENDUM (6) MUST BE ENTERED IN THE APPROPRIATE
SPACE "B" PROVIDED AFTER THE WORD "NUMBERS" OF THE CONTRACT FORM
ENTITLED "FORM FOR GENERAL BID," AND IN SPACE "B" OF THE "FORM FOR SUB -
BID."
1.3 RELATED WORK
A. All work shall comply with requirements specified for similar work unless otherwise
described.
1.4 THIS ADDENDUM CONTAINS
A. Revisions to the:
1. Project Manual, dated 08/28/2014 (Specifications)
2. Bid Set Documents, dated 08/28/2014 (Construction Drawings)
B. Publications listed below form a part of the Specifications and Construction Documents to
the extent referenced.
10/08/2014
1. Revised Specification Sections
a. Revised Section 00 11 13 INVITATION TO BID (attached)
2. Revisions to Specification Sections
a. Revisions to Section 23 00 00 HVAC
3. Sketches (attached)
a. SKMA 1 to SKM-36
ADDENDUM No.6
Page -1
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
PART 2 — PROJECT MANUAL
2.1 DESCRIPTION
A. The following Specification Sections are revised as follows:
1. Section 0011 13 INVITATION TO BID
a. Delete in its entirety and replace with attached "Section 0011 13 INVITATION TO
BID"
2. Section 23 00 00 HVAC
a. 1.3, C, 2: Delete in its entirety and replace with the following:
Design Intent
The work of Section 23 00 00 is shown on the drawings and specifications. All work
is new and consists of furnishing all materials, equipment, labor, transportation,
facilities, and all operations and adjustments required for the complete and
operating installation of the Heating, Ventilating and Air Conditioning work and all
items incidental thereto.
Mechanical systems shall function seamlessly to deliver the performance levels to
maintain space comfort within specifications set forth by ASHRAE Standard 55-
2007 (note: Central AHU humidification system is not in the project scope,
dehumidification control shall be accomplished through use of the central roof top
unit), ventilation requirements within ASHRAE 62.1-2010, energy efficiency within
ASHRAE 90.1-2010.
3. Section 23 00 00 HVAC
a. 1.3, C, 4, Exhaust Systems, a: Delete and replace with the following:
Dedicated exhaust systems will be provided for toilet rooms and janitor's closets. A
kitchen hood over the range shall be provided by the General Contractor. Kitchen
exhaust ductwork from the hood to discharge at the roof level shall be provided by
this Contractor.
4. Section 23 00 00 HVAC
a. 2.4, F: Insert the following:
6. Provide structural steel stands, rods, hangers, and/or supports for installation of
Vehicle Exhaust System tracks, rails, ductwork, exhaust blower, control panel
and associated parts and equipment.
5. Section 23 00 00 HVAC
a. 2.11, B, 21. a: Add the following text after the end of the paragraph:
"and BMS system, via BacNet integration"
6. Section 23 00 00 HVAC
a. 2.26: Delete in its entirety and replace with the following:
2.26 VEHICLE EXHAUST SYSTEM
A. Scope of the Work:
1. Wiring of the Vehicle of Exhaust System equipment is by Division 26 00 00.
ADDENDUM No. 6 10/08/2014
Page -2
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
2. Contractor shall provide and install a pneumatic nozzle type source capture
emergency vehicle exhaust fume removal system in each Apparatus Bay.
(one drop per bay)
a. Flexible Hose: Diameter shall be no greater than 4". Wire helix shall be
bound and protected in lamination.
3. Provide and install four (4) pneumatic sliding balancer track type system as
outlined in the equipment specifications.
4. Provide and install one (1) automatic start control panel listed by UL in
accordance with Underwriters Laboratories standard UL -508 as outlined in
the equipment specifications.
5. Provide and install one (1) exhaust blower as outlined in the equipment
specifications.
6. Provide associated ductwork, fittings, hangers, supports and parts as
required for a complete system installation.
B. System description, operation, and specifications:
1. System description and Operation:
a. When the fire apparatus's engine is started, pressure sensors located
in the ductwork and wired to the control panel shall automatically start
the exhaust blower.
b. As the vehicle leaves the fire station, the flexible 4" diameter exhaust
hose equipped with a pneumatic nozzle shall move towards the exit
door along the ceiling mounted aluminum track. The traveling trolley
shall glide along the track with a spring coiled balancer that supports
the hose. The balancer must keep the exhaust hose away from the
exiting apparatus. Mounted to the aluminum track shall be an
uncoupling release valve that automatically releases compressed air
from the pneumatic nozzle allowing a smooth uncoupling of the nozzle
at the threshold of the exit door, regardless of the speed the vehicle
may exit the building.
c. Upon the vehicles return to the fire station, the flexible exhaust hose
equipped with a pneumatic nozzle is attached to the vehicles exhaust
tail pipe and inflated with a manual control by an operator standing in
an upright vertically position at the entrance door. When the pneumatic
nozzle is attached to the vehicle's exhaust tailpipe, the exhaust blower
will automatically start to assure total collection of exhaust gases prior
to vehicle entering the building. The vehicle can then be positioned in
its designated parking position.
2. Source Capture Emergency Vehicle Exhaust Fume Removal system shall
be delivered and installed equal to the following specifications:
a. Track: extruded aluminum with channel to accept ball bearing rollers of
the traveling trolley and rubber impact end stops are to be mounted on
each end of the track.
b. Traveling trolley: galvanized steel assembly with upper ball bearing
wheels to fit inside track extrusion and lower ball bearing wheels to fit
on outside of track extrusion to prevent rocking or shifting of the trolley
as it moves along full length of track.
c. Flexible hose: 4 inches in diameter. (Flexible hose greater than 4
inches in diameter are not acceptable.) Wire helix must be bound and
protected in lamination to furtherprotect hose. Hose with exposed wire
helix is not acceptable.
d. Pneumatic nozzle: high temperature synthetic rubber and designed to
inflate and deflate. Nozzle connects to vehicle's tail pipe.
10/08/2014 ADDENDUM No.6
Page -3
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
i. Three (3) different size pneumatic nozzles must be available, 4.75"
(120MM), 6.25" (160MM) and 8" (200MM) to accommodate new
tailpipe sizes of fire apparatus.
e. Transition from the nozzle to the flexible hose: chrome plated
completely seam welded construction to prevent leaks of exhaust
fumes. (Spot welded construction is not acceptable) Transition shall
have a metal debris screen. The transition shall be chrome plated for
durability.
f. Spring balancer.- enclosed type with stainless steel cable. The
balancer supports the hose assembly as it travels along the track.
g. Manual Inflation/deflation valve: sliding type with push button for
manual inflation of the nozzle. The valve to have a handle that the
operator can easily operate from a standing position to connect the
nozzle to the tailpipe. When the release valve mounted on the track or
rail is activated, the release valve shall deflate the nozzle. If the safety
disconnect coupling separates, the valve shall have safety release to
deflate the nozzle automatically.
h. Expansion: the proposed system track must be expandable to
accommodate future tandem arrangement or drive-thru arrangement of
the vehicle without replacement or alterations. Systems that require
the original installation to be removed and replaced to achieve tandem
arrangement or drive-thru arrangement of the vehicle are not
acceptable.
i. Exhaust Blower.- 7.5 HP 208 Volt, 30,, 3450 RPM TEFC direct drive
motor, designed to deliver 2500 CFM at 8.2 inches E. S. P. The inlet
shall be 9 13/16" diameter and the outlet shall be 10" diameter.
Construction shall be class B spark resistance with powder coated
steel housing and aluminum wheel with shaft seals.
j. Control panel. NEMA 12 rated key lock electrical enclosure shall
contain the motor starter, overload, solid-state circuit card with timer
adjustments from 30 to 360 seconds and fused low voltage
transformer.
i. Soft touch AUTO START- STOP - MANUAL RUN membrane
controls to be on the face of the control panel.
ii. Control panel to have system indicator LED lights on the soft touch
membrane controls; marked and functioning as follows:
• AUTO START: This LED shall show the system is in full
automatic mode of operation and electrical power is supplied to
the control panel.
• FAN ON: This LED shall show that electrical power is supplied
to the exhaust blower.
• STOP: This LED shall show the exhaust blower is manually
shut down. After three seconds this will return to AUTO START
ready mode to prevent the exhaust blower from inadvertently
being shut down.
• MANUAL RUN: This LED shall show the exhaust blower is
operating in a continuous mode until interrupted by the STOP
mode being activated.
• NO AIRFLOW ALARM: This shall monitor the exhaust blower
and advise when the exhaust blower is not operating properly
k. Automatic Start Control Panel. low voltage sensors shall signal the
start of the exhaust blower. Control panel must not utilize or produce
electrical frequency transmission.
ADDENDUM No. 6 10/08/2014
Page -4
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
1. Controls that require electrical or pneumatic devices installed on the
vehicle to activate the exhaust blower are not permitted.
C. Manufacturers: Subject to compliance with the requirements in this
specification, provide vehicle exhaust system by one of the following or an
"or equal" manufacturer.
1. HazVent
2. Nederman
3. Plymovent
7. Section 23 00 00 HVAC
a. 2.27, A: Delete "4" in its entirety.
8. Section 23 00 00 HVAC
a. 2.27, A, 5, a: Delete "3)" in its entirety.
9. Section 23 00 00 HVAC
a. 2.27: Delete "T" in its entirety.
10. Section 23 00 00 HVAC
a. 2.27, V: Delete text "a proprietary system as".
11. Section 23 00 00 HVAC
a. 3.24 Delete in its entirety and replace with the following:
3.24 INSTALLATION OF VEHICLE EXHAUST SYSTEM
A. General:
1. Install system, equipment, and associated ductwork and supports in
accordance with Vehicle Exhaust System manufacturer's instructions,
roughing -in drawings and details as shown on drawings.
2. Install field installed accessories per manufacturer's recommendations.
3. Install support systems — stands, rods, hangers and supports — per
requirements of manufacturer's requirements and layout of system.
Coordinate placement of equipment with other products mounted to and
suspended form Apparatus Room ceiling structure.
4. Coordinate equipment installation with required electrical connections
performed under Division 26.
B. Adjusting and cleaning:
1. Test and adjust systems in presence of manufacturer's authorized
representative. Demonstrate compliance with requirements. Replace
damaged or malfunctioning equipment.
2. Clean factory -furnished surfaces. Repair any marred or scratched surfaces
with manufacturer's touch-up paint.
C. Closeout Procedures:
1. Owners Instructions: Provide services of manufacturer's technical
representative for one 2 -hour day to instruct Owner's personnel in
operation and maintenance of systems.
PART 3 — BID SET DOCUMENTS
10/08/2014
ADDENDUM No.6
Page -5
A
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
3.1 DESCRIPTION
1. Sheet M1.01: Revise as follows:
Incorporate clarifications and/or revisions per SKM-11, SKM-21, SKM-24, and SKM-25.
2. Sheet M1.02: Revise as follows:
Incorporate clarifications and/or revisions per SKM-12, SKM-23, SKM-26, SKM-27,
SKM-28, and SKM-29.
3. Sheet M1.03: Revise as follows:
Incorporate clarifications and/or revisions per SKM-22.
4. Sheet M2.01: Revise as follows:
Incorporate clarifications and/or revisions per SKM-13, SKM-20, and SKM-30.
5. Sheet M2.02: Revise as follows:
Incorporate clarifications and/or revisions perSKM-14 and SKM-15.
6. Sheet M3.00: Revise as follows:
Incorporate clarifications and/or revisions per SKM-16, SKM-17, and SKM-31.
7. Sheet M3.02: Revise as follows:
Incorporate clarifications and/or revisions per SKM-18, SKM-19, SKM-32, SKM-33, and
SKM-34.
8. Sheet M4.01: Revise as follows:
Incorporate clarifications and/or revisions per SKM-35, and SKM-36
END OF ADDENDUM NO. 6
ADDENDUM No. 6 10/08/2014
Page -6
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
SECTION 00 11 13
INVITATION TO BID
Invitation for Bids for Division 23, HEATING VENTILATING & AIR CONDITIONING, Filed Sub -Bids for
the new Central Fire Station.
The Town of North Andover, hereinafter referred to as the Awarding Authority, hereby invites bids for
the above -entitled project in accordance with plans and specifications prepared by Donham &
Sweeney, Architects. Bids shall be prepared and submitted in accordance with BidDocs ONLINE
requirements as set forth in the Construction Specifications. Bidding procedures shall be in
accordance with M.G.L.c. 149 Sections 44A — 441 and in accordance with the provisions of the
contract documents entitled: CENTRAL FIRE STATION, North Andover, MA.
SCOPE OF WORK for this Re -Bid includes Division 23, Section 23 00 00 and Section 23 05 48, Filed
Sub -Bid only.
TIME AND PLACE FOR FILING BIDS:
THIS PROJECT IS BEING ELECTRONICALLY BID AND HARD COPY BIDS WILL NOT BE
ACCEPTED. Please review the instructions in the bid documents on how to register as an electronic
bidder. The bids are to be prepared and submitted at www.biddocsonline.com . Tutorials and
instructions on how to complete the electronic bid documents are available online.
ALL SUB -BIDS for the trades listed below must be received by 2:00 pm on October 22, 2014
electronically submitted on-line and publicly opened on-line, forthwith.
The Awarding Authority reserves the right to waive any informality in or to reject any and all bids if it be
in the public interest to do so. Pursuant to M.G.L.c. 149 Section 44D General bids and filed sub -bids
must be accompanied by:
1) A Certificate of Eligibility issued by the Division of Capital Asset Management (DCAM), showing
that the filed sub -bidders have been approved to bid on projects of the size and nature of that
advertised
2) An Update Statement relating to the filed sub -bidders' additional work or contracts performed or
executed during the period between the date of the DCAM Certificate of Eligibility and the date the
bids are submitted. The category of work is "HVAC".
FILED SUB TRADES:
DIVISION 23 — HEATING, VENTILATING AND AIR CONDITIONING
Section 23 00 00 HVAC
Section 23 05 48 Vibration Control & Seismic Restraint
10/08/2014 INVITATION TO BID
Addendum No. 6 0011 13-1
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
BID DOCUMENTS, PLANS AND SPECIFICATIONS will be available after eight o'clock AM, 8 October
2014, at www.Biddocsonline.com (may be viewed electronically and hardcopy requested) or from
Nashoba Blue, Inc. The Contract Documents may be seen, but not removed at:
Nashoba Blue Inc.
433 Main Street
Hudson, MA 01749
978-568-1167
There is a Plan Deposit of $100 per set (maximum of 2 sets) payable to BidDocs ONLINE Inc.
Deposits may be electronically paid or must be a certified or cashier's check. This deposit will be
refunded for up to two sets for general bidders and for one set for sub -bidders upon return of the sets
in good condition within thirty days of receipt of general bids. Otherwise the deposit shall be the
property of the Awarding Authority.
Additional sets may be purchased for $100. Bidders requesting Contract Documents to be mailed to
them shall include a separate check for $40.00 per set for UPS Ground (or $65.00 per set for UPS
overnight), payable to BidDocs ONLINE Inc., to cover mail handling costs.
Pursuant to M.G.L.c. 149 Section 4413; Filed sub -bidders are hereby notified they are required to
present a bid deposits which must be 5% of the bid, and shall be in the form of a bid bond, or certified
check, treasurer's check, or cashier's check made payable to the Town of North Andover.
END OF SECTION
INVITATION TO BID 10/08/2014
0011 13-2 Addendum No. 6
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DIFFUSER / REGISTER / GRILLE
North AdCentral
Andover
SUPPLY DIFFUSERS / GRILLE
SKM-17
SYMBOL THROW/DEFLECTION MODEL
MARK
4 -WAY CEILING DIFFUSER
S -4W
I 3 -WAY PRICE - AMX
S -3W
—� 2 -WAY (WITH INDUCTION
S -2W
I 2 -WAY CORNER VANES)
ALUMINUM
S-2WC
1 -WAY
S -1W
LINEAR SLOT
project number: 1304
1 -WAY 2 SLOTS
S-1
PRICE - SDS 6
RETURN / EXHAUST GRILLES
SYMBOL THROW MODEL
MARK
CEILING GRILLE
45° DEFLECTION 1/2" BLADE SPACING
+Aq- +AT- N/A HORIZONTAL BLADE, NO SCREW
R/E-1
HOLES
PRICE 635 -ALUMINUM
SIDEWALL GRILLE
45° DEFLECTION 1/2" BLADE SPACING
♦4� +'V- N/A HORIZONTAL BLADE, NO SCREW
R/E-2
HOLES
PRICE 635 - ALUMINUM
NOTE:
1. PROVIDE ALL REQUIRED ACCESSORIES FOR APPLICABLE INSTALLATION METHOD (I.E.,
T -BAR PANEL, PLASTER FRAMES, & SQUARE -TO -ROUND TRANSITIONS.)
2. MAXIMUM SECURITY RISK RESISTANT DIFFUSERS AND GRILLES SHALL BE PROVIDED
WITH INTEGRAL DAMPER BY MANUFACTURER.
3. COLOR TO BE SELECTED BY ARCHITECT
GARCIA•GALUSKA•DESOUSA
> CONSULTING ENGINEERS INC.
370 Faunce Corner Road, Dartmouth, MA 02747-1271
3 508-998-5700 • FAX508-998-0883 • E-MAILinfo@g-g-d.00m
&Sweeney
North AdCentral
Andover
scale: N.T.S.
drawn by:
SKM-17
ARCHITECTS
ARC
TRB
6 8 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M3.00
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney. com
project number: 1304
Addendum 6
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GARCIA•GALUSKA•DESOUSA
t 's CONSULTING ENGINEERS INC.
370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 • FAX508-998-0883 . E-MAILinfo@g-g-d.com
Donham Sweeney
North Andover Central
drawn by: TRB "
drawn by:
SKM-20
ARCHITECTS
TRB
68 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M2.01
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
project number: 1304
Addendum 6
TG-1-
12-xl 21" 1 1
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9" x 9"
9
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GARCIA-GALUSKA-DESOUSA
CONSULTING ENGINEERS INC.
370 Faunm Come, Road, Dartmouth, MA 02747-1271
508-998-5700 . FAX508-998-0883 - E-MAILinfo@g-g-d.com
Sweeney
DR
North Andover Central
North Andover, Ma 01845
scale: 1/8" = V-0"
drawn by: TRB
issued: 10.08.14
SKM-21
M1.01
CHI
ARCHITECTS
68 Harrison Avenue
Fire Station
Boston MA 02111
617 423 1400
donhamandsweeney.com
project number: 1304
,
I
, Addendum 6
_ J
_r GARCIA•GALUSKA•DESOUSA
�- CONSULTING ENGINEERS INC.
370 Faunce Corner Road, Dartmouth, MA 02747 -1271
-t 508-998-5700 • FAX508-998-0883 . E-MAILinfo@g-g-d.com
Donham Sweeney
North Andover Central
scale:
drawn
SKM-22
ARCHITECTS
y: TR'0
by: TRB
6 8 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M1.03
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
project number: 1304
Addendum 6
MAL E-1
SHOWE 8„ x 8„
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100
s
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max- GARCIA•GALUSKA•DESOUSA
( t+ CONSULTING ENGINEERS INC.
_- 370 Faunce Corner Road, Da 'mouth, MA 02747-1271
508-998-5700 • FAX508-998-0883 • E-MAILinfo@g-g-d.com
Donham Sweeney
North Andover Central
scale:
drawn by:
SKM-23
ARCHITECTS
y: TR'0
TRB
6 8 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M1.02
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney. com
project number: 1304
Addendum 6
k, D
GARCIA-GALUSKA-DESOUSA
CONSULTING ENGINEERS INC.
WH
7
370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 - FAX508-998-0883 - E-MAILinfo@g-g-d.00m
Sweeney
DR
North Andover Central
scale: 1/8" = V-0"
drawn by:
SKM-24
CHI
ARCHITECTS
TRB
68 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M 1.01
Boston MA 02111
617 423 1400
project number: 1304donhamandsweeney.com
Addendum 6
�,. GARCIA•GALUSKA•DESOUSA
( CONSULTING ENGINEERS INC.
370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 • FAX508-998-0883 • E-MAILinfo@g-g-d.com
Donharn Sweeney
North Andover Central
scale:
drawn by:
SKM-25
ARCHITECTS
y: TRIV0
TRB
6 8 Harrison Avenue
North Andover, Ma 01845
Fire St a t i o n
issued: 10.08.14
M1.01
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
project number: 1304
Addendum 6
12"x12" EXH
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JDGARCIA-GALUSKA-DESOUSA
CONSULTING ENGINEERS INC.
370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 - FAX508-998-0883 - E-MAII-info@g-g-d.00m
Donham & Sweeney
North Andover Central
V -
drawn by:
SKM-26
ARCHITECTS
TRB0"
68 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M1.02
Boston MA 02M
617 423 1400
donhamandsweeney.com
1 project number: 1304
Addendum 6
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GARCIA•GALUSKA•DESOUSA
t, CONSULTING ENGINEERS INC.
370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 • FAX 508-998-0883 • E-MAIL info@g-g-d.com
&Sweeney
North Andover Central
scale: =1,-0„
drawn by:
SKM-27
ARCHITECTS
ARC
y: TRB
6 8 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M1.02
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
Project number: 1304
Addendum 6
GARCIA•GALUSKA•DESOUSA
CONSULTING ENGINEERS INC.
�- - 370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 • FAX 508-998-0883 • E-MAIL info@g-g-d.com
&Sweeney
North And Central
scale: =1 or
drawn by:
SKM-28
ARCHITECTS
ARC
y: TRB
68 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M1.02
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
Project number: 1304
Addendum 6
T
=71
GA RCIA•GALUSKA•DESOUSA
__ CONSULTING ENGINEERS INC.
370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 • FAX508-998-0883 • E-MAILint com
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Dunham&SweeneyNorth
Andover Central
scale:
drawn by:
SKM-29
ARCHITECTS
TRro
y: TRB
68 HamAvenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M1.02
M
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
Project number: 1304
Addendum 6
G FTR-1
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" CONSULTING ENGINEERS INC.
'_3= 370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 • FAX508-998-0883 • E-MAILinfo@g-g-d.com
&Sweeney
North Andover Central
scale: =1,-0„
drawn by: y: TRB
SKM-30
ARC
ARCHITECTS
68 Harrison Avenue
North Andover, Ma 01845
Station
issued: 10.08.14
M2.01
11
Boston MA 021Fire
6 1 7 423 1 4 0 0
donhamandsweeney.com
project number: 1304
Addendum 6
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6" FIBERGLASS INSUL.
UNFACED THROUGHOUT
ENTIRE CURB
(2) LAYERS 5/8"
SHEETROCK LAYERED
THROUGHOUT ENTIRE
CURB
ROOFCURB
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DETAIL -A
ROOFTOP UNIT
ROOFTOP UNIT
GASKET BY
ROOFTOP MFGR.
REFER TO ARCH. DWGS.
FOR FLASHING DETAILS.
24" HIGH PREFAB ROOF CURB
BY A.H.U. MFGR. , ��
REFER TO DETAIL -A AND
SPECIFICATION 22 ON VS -100
DRAWING AND DIVISION 23 05
48 SPECIFICATION 22.
1-1/2" DOUBLE-WALL ACOUSTICALLY AND THERMALLY LINED
AND INSULATED 1-1/2" 3# DENSITY DUCTWORK W/
PERFORATED MIN. 24 GAUGE INNER LINER.
NOTE: 1. THERMAL DUCT INSULATION TO START
AT TERMINATION OF ACOUSTIC INSULATION.
2. REFER TO SPECIFICATION FOR INSULATION
THICKNESS AND DENSITY REQUIREMENTS.
ROOFTOP UNIT DETAIL
(NOT TO SCALE)
GARCIA•GALUSKA•DESOUSA
€j CONSULTING ENGINEERS INC.
_ 370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 . FAX508-998-0883 • E-MAILinfo@g-g-d.com
&Sweeney
North AndCentral
scale: N.T.S.
drawn by:
SKM-32
ARC
ARCHITECTS
TRB
6 8 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M3.02
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
project number: 1304
Addendum 6
AIR/WEATHER SEAL
NEOPRENE GROMMET
SPRINGS -
12 GA.-ZC SIDES AND
ENDS
WOOD NAILER —
2" INSULATION
V Yr ---T
2 LAYERS 5/8" SHEETROCK MIN. 24" HIGH PREFAB.
(BY HVAC) ROOF CURB
6" RIGID FIBERGLASS UNFACED /
INSULATION L
(BY HVAC)
SEISMIC SPRING ROOF Cl
22 GA. ZC FLASHING
SPRING POCKET
COVER W/ ACCESS
PANEL
22 GA. ZC FLASHING
TUBULAR STEEL CURB
BASE
ROOF MEMBRANE REFER TO
ARCH. DWGS FOR DETAILS
CANT STRIP
(BY ROOFING CONTRACTOR
2" RIGID BOARD INSULATION
(BY ROOF CURB MANUF.)
GARCIA•GALUSKA•DESOUSA
12 (i CONSULTING ENGINEERS INC.
;_ 370 Faunce Corner Road, Dartmouth, MA 02747-1271
508-998-5700 • FAX508-998-0883 • E-MA[Linfo@g-g-d.com
&Sweeney
North AdCentral
Andover
scale: N.T.S.
drawn by:
SKM-33
ARCHITECTS
ARC
TRB
68 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M3.02
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney. com
Project number: 1304
Addendum 6
INLINE
STRAINER
PRESSURE GAUGE(TYRNLINE
PUMP -
STRAINER
PROVIDE FLEX CONNECTORS
ON BOTH SIDES W/ VIBRATION &
SEISMIC RESTRAINTS.
CHECK BALL FLOW
VALVE VALV METER
7 E FITTING
(TYP.)
BALANCING VALVE
CHECK BALL FLOW
VALVE VALV METER
7 E FITTINC
(TYP.)
BALANCING VALVE
INLINE PUMP DETAIL
NO SCALE
-- GARCIA•GALUSKA•DESOUSA
if
CONSULTING ENGINEERS INC.
370 Faunc Corner Road, Dartmouth, MA 02747-1271
`. 508-998-5700 . FAX508-998-0883 • E-MAIL 1nfo@g-g-d.00m
ASweeney
North Andover Central
scale: N.T.S.
drawn by: TItB
SKM-34
ARCHIRCHI TECTS
68 Harrison Avenue
North Andover, Ma 01845
Fire Station
issued: 10.08.14
M3.02
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
project number: 1304
Addendum 6
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