HomeMy WebLinkAboutContract #: 012085 - From: To: - Exception - ExceptionNORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
ADDENDUM No. 2
18 September, 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.
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 (2) 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. Answers to Contractor's Questions
2. Project Manual, dated 08/28/2014 (Specifications)
3. Bid Set Documents, dated 08/28/2014 (Construction Drawings)
4. Addendum No.1 Documents
B. Publications listed below form a part of the Specifications and Construction Documents to
the extent referenced.
1. Revised Specification Sections (attached)
None issued as part of Addendum No. 2
2. Revised Drawing Sheets (attached)
None issued as part of Addendum No. 2
3. Sketches (attached)
a. SKC-2 to SKC-3
b. SKA-11 to SKA-12
c. SKS-2
d. SKP-1 to SKP-5
e. SKM-6 to SKM-10
09/18/2014
ADDENDUM No.2
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NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
f. SKE-4 to SKE-10
PART 2 — ANSWERS TO CONTRACTORS' QUESTIONS
2.1 DESCRIPTION
A. Bidder Question: Please provide construction duration for this project.
Response: Reference Addendum No. 1 Section 01 10 00, SUMMARY, item. 1. 13.
B. Bidder Question: In the Central Fire Station - N Andover spec for PVC roofing it states that
the contractor must supply a 5 year workmanship warranty. Bonding companies will not
issue bonds for more than 2 years.
Response: Refer to revision to Section 07 54 23, b. (below 3. 1, Item 6 below)
C. Bidder Question: Please clarify that FSB trades are responsible for their own staging,
hoisting and temporary weather protection for their work.
Response: FSB trades are responsible for staging, hoisting and protection of their
materials per their section or per their combined FSB section.
D. Bidder Question: Addenda 31, section 01 10 00, 1. 12, 7. Can you clarify that the
responsibility for tickets is the responsibility of each respective trade, and not the General
Contractor.
Response: Refer to revision to Section 01 10 00, 1. 12, 7. (Part 3. 1, Item #1 below)
E. Bidder Question: Your exterior wall sections indicate mineral wool insulation, which is
directly behind the finish exterior and not protected by any other material. Is this correct? It
will not be very easy, or practical, to keep it dry before all exterior finishes are in place.
Response: Yes it is correct. Mineral wool is not adversely affected by water.
F. Bidder Question: Is the FSB electrician responsible to provide the temporary power and
lighting for the project? If not, it should be as the FSB electrical will hold the license and
permit for the project.
Response: Yes, refer to Sections 26 00 00, 1.3, 19 and 0150 00, 2.02, C in the project
specifications.
G. Bidder Question: Section 09 65 19, 2.2 specifies a water vapor control system. Is this the
same as what is specified in 09 96 99?
Response: Yes. Refer to revision to Section 09 65 19. (Part 3. 1, Item #12 below)
H. Bidder Question: Will there be a pre-bid conference for the above referenced project?
Response: No.
I. Bidder Question: You specify 4 different Air & Vapor Membranes in Section 07 26 00, 2.2,
Item A in that section is a 6 mil poly, which you say can only be used with prior
authorization from the Architect. Will you accept that?
Response: 6 mil poly can used where a vapor barrier only is called for except below the
slab on grade.
J. Bidders Question: Why isn't the A&V barrier system part of the WDC field bid?
Response: The A&V barrier system is divided amount different trades and the GC to
ensure a complete system from face of exterior sheathing to exterior face of wall & roofing.
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NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
For this reason, it is not included in the WDC combined Filed Sub -Bid scope.
K. Bidder Question: Could you please clarify, which section owns the water vapor emission
control system? Resilient flooring filed sub -bid section 09 65 19, 1, 1.2, A, 2. Provide
Water Emission Control System and also section 09 96 99 water vapor emission control
systems (not part of the filed sub -bid).
Response: Section 09 96 99 owns water vapor emission control system. Refer to revision
to Section 09 65 19. (Part 3. 1, Item 12 below)
L. Bidder Question: Section 09 65 18-1 (Rubber Flooring and Stair Covering) 1.2, B, 2 Rubber
Tactile Flooring. Finish schedule or plan doesn't shows the location of Tactile flooring.
Could you please provide the location of tactile?
Response: Tactile flooring is not part of the project scope. Refer to 3. 1, Item #11 below
deleting this reference from Section 09 65 18.
M. Bidder Question: Spec section 0143 39 — "Mockup Construction", para 1.1 F refers to the
drawings for the layout of the mockup panel. There are no details provided on the contract
drawing. Please provide. Also, given the time frame on this project is an in place mockup
panel acceptable.
Response: Refer to attached SKA-11 For mock-up panel size, layout and details.
N. Bidder Question: The Ready Mixed Concrete Material specified on sheet S1.0 (concrete
note #2) differs slightly from the Contract Specifications (03 30 00-2.05). Which design mix
applies to this project?
Response: Refer to revisions to note #2 in 4. 1, A, (Part 4. 1, Item #15 below)
0. Please confirm that epoxy rebar and the corrosion inhibiting concrete admixture is only
required at the Exterior Apparatus Bay Concrete Apron (Alternate #1) location.
Response: Yes
P. Bidder Question: What is the required compression strength (25psi, 40psi, 60psi??) of the
2" rigid insulation at the foundation walls and SOG? Spec section 07 21 00 doesn't provide
this information.
Response: Refer to revision to specification section 07 2100. (Part 3. 1, Item #3 below)
Q. Bidder Question: Please confirm that the FSB contractor owns sealants at exterior concrete
as specified in section 07 92 00 — Sealants.
Response: Yes. Refer to Section 07 92 00 2.2, F, J & L and 3.6 B, 1.
R. Bidder Question: Spec section 08 36 13 — 2.1.17.8 & 9 refer to the Newton Fire Department.
Obviously this is a misprint. Are any of these items (remote control station and photo
electric sensor) required on this project?
Response: Refer to Addendum No.1 which deleted 2. 1, F, 8 in its entirety and changed
"Newton" to "North Andover" in 2. 1, F, 9. All other operational requirements listed in "F" are
applicable including Item 9.
S. Bidder Question: Filed Bid Section 08 44 13 — Alum Storefronts, Doors, & Interior Windows
refers to Section 08 00 08 in para 1.3. Please provide this section. Is this Filed
Subcontractor responsible for staging, Lifts, and Hoisting?
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NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
Response: Refer to revisions to Section 08 44 13. (Part 3. 1, Item #9 below)
T. Bidder Question: Spec section 33 41 13.01 doesn't provide the class of the pipe.
Please provide.
Response: Refer to revisions to Section 33 41 13.01. (Part 3. 1, Item #13 below)
U. Bidder Question: Door elevation Type "I" located at the rear of the building, please
clarify the following
1. Overhead Coiling Door Spec, 2.1 — B; 1.
2. The elevation on the door opening schedule appears to be Steel. Is the rear doors
supposed to be Aluminum or Steel insulated doors?
Response: All overhead doors — full and partial glazed doors — are Aluminum.
V. Bidder Question: Are there any specific model numbers from any of the specified
overhead door manufactures that the doors are based on? That way everyone is
bidding on the same/ comparable door.
Response: Specification section 08 36 13 was written around "Overhead Door 511
series", "Raynor Aluma View series" and "Clopay Fullview Aluminum Doors".
W. Bidder Question: Does the roofing sub -contractor own the metal flashing at details 2
and 5 on A5.1; 5 on A5.2; 7 on A5.3; 1, 4, and 7 on A5.4 ; and 1, 2, 3, 4, 7, and 8 on
A5.5?
Response: Section 04 20 00 owns flashing at and behind masonry. Section 07 62 00
owns flashing at and behind the Fiber Cement Siding.
Sheet A5.1 details 2 and 5 flashing owned by Section 04 20 00
Sheet A5.2 detail 5 flashing at pre -cast cap owned by Section 04 20 00
Sheet A5.3 detail 7 flashing owned by Section 07 62 00
Sheet A5.4 detail 1 flashing owned by Section 04 20 00
Sheet A5.4 details 4 and 7 flashing owned by Section 07 62 00
Sheet A5.5 details 1 and 2 flashing owned by Section 07 62 00
Sheet A5.5 details 3, 4, 7 and 8 flashing owned by Section 07 62 00
X. Bidder Question: Does the G.C. own the prefinished parapet cap on details 1, 3, 4, and
6 on A5.1?
Response: The prefinished parapet caps are part of the parapet cap assembly per
Section 07 42 13 Metal Parapet Panels
Y. Bidder Question: Does the G.C. own the insulation on the parapet side and on top of
the walls on details 1, 3, and 6 on A5.1 and detail 5 on A5.2?
Response: Insulation behind membrane roofing is owned by the Roofing
Subcontractor.
Insulation behind parapet cap assembly is owned by the GC.
Z. Bidder Question: Are the solar panels going on top of the roof?
Response: There are no solar panels in the project scope.
AA. Bidder Question: Is this an FM insured building?
Response: No
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NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
BB. Bidder Question: Is there a specification for substrate board and cover board down
there? And does the roofing sub own furnishing and installing these items?
Response: Refer to Section 07 54 23, 2.4, D & E. These are owned under Section 07
5423.
CC. Bidder Question: Spec says an average R=30 for insulation, but the plans say 38.4. is
that an average or min.?
Response: R-30 is the average roof insulation.
DD. Bidder Question: Is the tapered insulation W of 1/8" slope?
Response: Tapered insulation at crickets to pitch 1/4 inch per foot per Section 07 54
23. 2.2, B.
EE. Bidder Question: Does the G.C. own supplying the water for the water test.
Response: Yes per Section 0150 00 Temporary Facilities.
FF. Bidder Question: What do you mean by air and vapor barrier lap with air and vapor
barrier by the G.C. at the fascia of the parapet by roofer?
Response: All AVB joints shall lapin a positive manner. Roofer laps AVB over parapet
AVB. Parapet AVB supplied and installed by GC. Lap shall be a minimum of 2"
GG. Bidder Question: Does the roofer own the'/" sheathing board or the vapor barrier on
the fascia of the parapet?
Response: Roofer owns board and AVB behind membrane roofing. GC owns
sheathing board and AVB behind metal parapet. Roofer owns lapping AVB over GC
AVB at vertical fascia of parapet as noted and shown on details on sheets A5.1 & A5.2.
HH. Bidder Question: Please refer to section 2 on drawing A5.1 and explain if the foundation
wall trowel on waterproofing will be dampproofing per specification Section 071600 and
not waterproofing? (If waterproofing is the requirement please provide a specification
for the waterproofing.)
Response: Refer to revisions to Sheet A5.1, A5.3, and A5.5 noting change from
Waterproofing to Dampproofing in conformance with Section 07 16 00.
II. Bidder Question: Please refer to detail 6 on drawing A5.3 and detail 10 on drawing
A5.5 and explain what specification section will be responsible for the base and second
layer of waterproofing that is detailed at the top of the foundation walls that ties into the
under slab vapor barrier? (Note that Section 0716 00 dampproofing is the only
specification for the foundation wall surfaces base coat with no waterproofing
specification for the detailed waterproofing second layer.)
Response: Section 07 16 00.
JJ. Bidder Question: Please refer to section 5 & 6 on drawing A6.4 and explain what the
material is that is symbolized at the exterior wall surfaces and under the slab of the
elevator pit? (Will the dampproofing requirement of specification section 07 16 00 be
required at the exterior surfaces of the elevator pit walls?)
Response: Walls are covered in Dampproofing and underside of elevator pit is VB.
Refer to note changes for Sheet A6.4.
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NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
KK. Bidder Question: Will specification section 07 16 13 Polymer Modified Cement
Waterproofing be required at the interior floor and wall surfaces of the elevator and
sump pit within as specified in section 07 16 13 but not detailed in sections 5 & 6 on
drawing A6.4 or at the typical elevator pit detail on drawing S2.2?
Response: Yes. Refer to added notes to sections 5 & 6 on Sheet A6.4 (4. 1, Item 13
below) calling out Waterproofing on elevator and sump pit walls and floors.
LL. Bidder Question: Please refer to drawings S1.1, S2.1 and S2.2 and explain if joint
sealant will be required, the responsibility of FSB Section 07 00 01 waterproofing,
dampproofing & Sealant, at the following interior floor joint locations at the slab on
grade whether exposed or not? Please answer yes or no to each question below.
a. Floor to wall joints at elevator pits and elsewhere?
b. Contraction or construction joints?
c. Isolation joints at column locations?
Response:
a. Floor to wall joints at elevator pits and elsewhere? YES per Section 07 92 00
b. Contraction or construction joints? YES per Section 07 92 00
c. Isolation joints at column locations? YES per Section 07 92 00
MM. Bidder Question: Please confirm that the expansion joint sealant indicated at the
exterior concrete pavement locations per detail 4 on drawings SP1.1 or A5.2 at wall
junctures will also occur at the intermediate expansion joints and where the concrete
pavement abuts curbs?
Response: YES
NN. Bidder Question: Please confirm that specification FSB Section 07 00 01
waterproofing, dampproofing & Sealant will be responsible for the installation of joint
sealant at exterior concrete pavement joints and not the paving section specification
section 04 05 00?
Response: Sealant will be the responsibility of Section 07 92 00.
OO.Bidder Question: Please refer to FSB Section 07 00 01 sub section 07 92 00 Sealants
part 3 Paragraph 3.6-A and explain exactly what exterior or interior joints at seams or
intersections will require joint sealant that is not detailed, as filed sub bid statue requires
for competitive file sub bids? Please answer yes or no if joint sealant will be required at
any of the following locations and that the responsibility for installing the joint sealant
will be by FSB Section 070001 Waterproofing, Dampproofing and Caulking?
a. Perimeter of the toilet fixtures at water closets, showers & urinals? YES
b. Perimeter of janitor closet mop receptors? YES
c. Toilet room vanity counter back splash to wall juncture? YES
d. Back splash to wall junctures at kitchen counters? YES
e. Casework to dissimilar materials? YES
f. Please define what ceilings types will require perimeter sealant if any? Partitions
with sound attenuation batt shall be sealed at underside of deck above and at floor.
All partitions butting exterior walls shall be sealed at joint with exterior wall. All
inside face of exterior walls shall be sealed to underside of deck and at floor.
g. Stairway stringer or landing to wall junctures at top joint? YES
h. Stairway stringer or landing to wall junctures at bottom joint? YES
i. Exterior precast sills abut masonry or at precast to precast end joints if required at
detail 3 on drawing A5.5? YES
j. Precast to precast coping end joints if required at detail 5 on drawing A5.2? YES
k. Precast coping bed joints at flashing if required at detail 5 on drawing A5.2? YES
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NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
PP. Bidder Question: Please confirm that all door frames within drywall partitions will require
perimeter sealant as indicated on drawing A7.2 and that the responsibility for installing the
joint sealant will be by FSB Section 070001 Waterproofing, Damp proofing and Caulking?
Response: All sealant work by Section 07 92 00.
QQ. Bidder Question: Please confirm that the air vapor barrier within exterior walls will be
installed by the mason or general contractor and will not be a part of the Section 07 00
01 Waterproofing, Dampproofing & Sealant filed sub bid as is often the requirement.
Response: Yes — by Mason, GC or Roofer.
RR. Bidder Question: Will the joint sealant or caulking between the fiber cement siding or trim
be installed by the Section 07 46 46 Fiber Cement siding & Trim contractor or will the
responsibility for installing this joint sealant be by FSB Section 070001 Waterproofing,
Dampproofing and Caulking? (Refer to details 1 & 7 on drawing A5.2, detail 5 on drawing
A5.3 and details 5 & 6 On drawing A5.5)
Response: Sealant between Fiber Cement Siding and Fiber Cement trim shall be provided
by Section 07 92 00 and installed by 07 46 46, reference 3.2, B, 1:
SS. Bidder Question: Will the sealant at the base of the fiber cement siding, where the metal
flashing abuts the precast sill in detail 5 on drawing A5.1, be the responsibility of the metal
flashing installer or will the responsibility for installing this joint sealant be by FSB Section
070001 Waterproofing, Dampproofing and Caulking?
Response: By Section 07 92 00.
TT. Bidder Question: Will the sealant where the top of the fiber cement siding abuts the metal
siding be the responsibility FSB Section 070001 Waterproofing, Dampproofing and
Caulking? Refer to detail 4 on drawing A5.1.
Response: By Section 07 92 00.
UU. Bidder Question: Will the installation of joint sealant between metal panels be the
responsibility of the metal panel contractor?
Response: Yes.
W. Bidder Question; Refer to detail 6 on drawing A5.4 and confirm that the backer rod
expansion joints within the sheathing board will be installed by either the air vapor barrier
contractor or the sheathing board contractor?
Response: The expansion joints is the responsibility of the sheathing board installer and
the backer rod and sealant is the responsibility of Section 07 92 00.
WW. Bidder Question: Please confirm that File Sub Bid Section 07 00 01 will be responsible for
all staging to perform there work?
Response: FSB trades are responsible for staging, hoisting and protection of their
materials per their section or per their combined FSB section.
XX. Bidder Question: Will the cost for a performance and payment bond be included in the file
sub -bid price for each file sub -bidder?
Response: Refer to Bidding requirements in Section 00 21 13 Instructions to Bid, Article 9.
YY. Bidder Question: Mechanical specification HVAC call for 1 %" thick liner, the plans show 1"
thick liner, which is correct?
Response: Per Specification the more stringent shall be used. Drawing will be updated in
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NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
Addendum No. 2.
ZZ. Bidder Question: VAV call for 10' liner after the VAV Unit. The Exhaust fan doesn't give a
length of the liner on each side of fan? Do you want toilet/shower exhaust fan lined?
Response: Liner is not required for exhaust fan. Details will be updated in Addendum No.
2.
AAA. Bidder Question: Do you want alum. Duct for shower exhaust system?
Response: Ductwork type for shower exhaust will be updated in Addendum No. 2.
BBB. Bidder Question: Cannot find sub -sub contractors list?
Response: Refer to Addendum No. 1.
CCC. Bidder Question: Cannot find radiant floor specifications and info on plans?
Response: Refer to Addendum No. 1.
DDD. Bidder Question: Is there an alt #2 radiant floor?
Response: Refer to Addendum No. 1.
EEE. Bidder Question: Cannot find amount of days for completion of project.
Response: Refer to Addendum No. 2.
FFF. Bidder Question: RTU liner shows two sound attenuators, there are no sound
attenuators shown, please clarify.
Response: RTU detail calls for liner and makes no reference to sound attenuators. The
project does not have any sound attenuators.
GGG. Bidder Question: What fixtures are to be dimmable with a 0-10V control? No ALCS
output or No dimmers shown on drawing. FR22A references step dimming, this is not 0-
10Vdimming. Please review and advise.
Response: Provide fixture type FR22A with one two lamp ballast and one single lamp
ballast. There is no 0-10V or step dimming required for the project.
HHH. Bidder Question: Is MDP rated at 600A or 800A, are there any breaker provisions for
MDP or just the three breakers as shown on schedule?
Response: Main Distribution Panel "MDP" shall be rated 800A with main breaker and
breakers indicated. Refer to Electrical Sketch SKE-8, Revisions to Drawing E3.1—
PANEL SCHEDULES AND DETAILS.
III. Bidder Question: Are there any EBU on project, none shown on drawings?
Response: Provide EBU in Electrical Room 121 (illuminating fire alarm control panel),
emergency electrical closet adjacent to 121 (illuminating ATS), and Shared Office 103
(illuminating fire alarm remote annunciator).
JJJ. Bidder Question: Are there any RS exits on project, none shown on drawing?
Response: Provide RS exit sign in App. Room 129 on wall above opening to Corridor
118.
KKK. Bidder Question: Is panel LP, 42 pole per panel schedule or 24 pole per drawing E0.2?
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NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
Response: Provide 24 pole panelboard as indicated in E0.2.
LLL. Bidder Question: Can you please issue any existing Hydrant Flow Test Data for or
around Chickering Road and Prescott Street?
Response: The Town of North Andover DPW provided the design team with the
following flow data from a test performed in 2002 at the corner of Prescott and Summit.
Static pressure: 108 psi
Residual Pressure: 100 psi
Flow: 1561 gpm
PART 3 — PROJECT MANUAL
3.1 DESCRIPTION
A. The following Specification Sections are revised as follows:
1. Section 01 10 00 SUMMARY
a. 1.12, A, 7: Delete the following "The Contractor shall be responsible for all fines
and tickets."
2. Section 03 30 00 Cast -in -Place Concrete
a. 2.04 Insert and delete the following:
1. Delete E. in its entirety and replace with the following:
E. Curing Compounds: Verify that products listed below meet regulations of
jurisdiction for Volatile Organic Compounds (VOC) emissions. Notify
Architect if listed products do not comply and submit information about
equivalent products that do comply.
1. Curing and Sealing Compound. Use a clear acrylic type conforming to
ASTM C309, Type 1, Class B. Use one of the following or equivalent
where concrete surfaces will remain exposed. (Rooms 105, 119, 120,
121, 122, 127, 130 & 22 1)
a. "Masterkure" Master Builders.
b. "Super Rez Seal'; Euclid Chemical Co.
c. 'Dress & Seal #30'; L & M
d. "Intex'; W.R. Meadows
2. Curing and Hardening Compound: Use colorless solution containing
35% of a 42 degree Baume sodium silicate solution. Use where shown
on drawings. Use one of the following or equivalent: (Rooms 118, 123,
125, 129, 131, 132 & 133)
a. "Chem -Hard'; L & M
b. "Eucosil"' Euclid Chemical Co.
c. "Cure -hard'; W.R. Meadow
3. Dissipating Resin Curing Compound: Use a dissipating resin type
compound, conforming to ASTM C309, Type 1. The film must
chemically break down in a two -to -four week period. Use one of the
following or equivalent where concrete surfaces will receive other
materials. (For all rooms except for those listed in Items 1 & 2 above.)
a. Wurez DR'; Euclid Chemical Co.
b. "3100'; W.R. Meadows
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Project No. 1304.00
c. "Cure Resin'; L & M
2. 2.04, G. Insert the following at the end:
"Provide Metzger/Mcguire MM -80 (full depth) joint filler or approved equal,
installed per manufacturer's instructions in Apparatus Room, 129, only."
b. 3.10 Insert and delete the following:
1. Delete A-E. in their entirety and replace with the following:
A. Monolithic Slab Finishes: Floor Flatness (FF) and Levelness (FL)
tolerances shall conform to the criteria listed below except Floor Levelness
(FL) does not apply to slabs on unshored steel deck. Measure (FL) on
shored floor slabs prior to removing shores.
B. Scratch Finish:
1. Scratch finish slab surfaces that are to receive concrete floor topping or
mortar setting beds for tile, stone and other bonded applied
cementitious finish flooring material.
2. After placing slabs, plane surface to a tolerance not exceeding %" in 10'
when tested with a 10' straightedge. Slope surfaces uniformly to drains
where required. After leveling, roughen surface before final set with
stiff brushes, brooms or rakes.
C. Float Finish:
1. Apply float finish to monolithic slab surfaces to receive trowel finish and
other finishes as hereinafter specified, and slab surfaces which are to
be covered with membrane or elastic waterproofing, membrane or
elastic roofing, and as otherwise indicated.
2. After screeding, consolidating, and leveling concrete slabs, do not work
surface until ready for floating. Begin floating when surface water has
disappeared or when concrete has stiffened sufficiently to permit
operation of power -driven floats, or both. Consolidate surface with
power -driven floats, or by hand -floating if area is small or inaccessible
to power units. Check and level surface plane to a tolerance not
exceeding 1/8" in 10' when tested with a 10' straightedge. Cut down
high spots and fill low spots. Uniformly slope surfaces to drains.
Immediately after leveling, refloat surface to a uniform, smooth,
granular texture.
D. Trowel Finish:
1. Apply trowel finish to monolithic slab surfaces to be exposed -to -view,
and slab surfaces to be covered with wood flooring, resilient flooring,
carpet, thin -set tile and stone, paint or other thin film finish coating
system.
2. After floating, begin first trowel finish operation using a power -driven
trowel. Begin final troweling when surface produces a ringing sound as
trowel is moved over surface. Consolidate concrete surface by final
hand -troweling operation, free of trowel marks, uniform in texture and
appearance, and with a surface plane tolerance not exceeding 1/8" in
10' when tested with a 10' straightedge. Grind smooth surface defects
which would telegraph through applied floor covering system.
E. Non -slip Broom Finish:
1. Apply non -slip broom finish to exterior concrete platforms, steps and
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Project No. 1304.00
ramps, loading dock, and elsewhere as indicated.
2. Immediately after trowel finishing, slightly roughen concrete surface by
brooming with fiber bristle broom perpendicular to main traffic route.
Coordinate required final finish with Architect before application.
F. Sealing and Hardener Finishes:
1. Apply a coat of the specified Curing and Sealing or Curing and
Hardening Compound to exposed interior concrete floors where
compound is indicated on the Drawings. Apply the compound in strict
accordance with the directions of the manufacturer.
G. Non -slip Aggregate Finish:
1. Apply non -slip aggregate finish to interior exposed concrete stair
treads, platforms, ramps, including cement -filled steel pan stair treads
and platforms.
2. After completion of float finishing, and before starting trowel finish,
uniformly spread 25 lbs. of dampened non -slip aggregate per 100
sq. ft. of surface. Tamp aggregate flush with surface using a steel
trowel, but do not force below surface. After broadcasting and
tamping, apply trowel finishing as herein specified.
3. After curing, lightly work surface with a steel wire brush, or an
abrasive stone, and water to expose non -slip aggregate.
2. Change existing "F" to "H"
3. Section 07 2100 Thermal/Acoustic Insulation
a. 1.1, B, 4: Insert the following in the third line after "frames,":
"within parapet framing as shown between rigid insulation,"
b. 1.2: Insert the following:
D. Section 03 30 00 — Cast -in -Place Concrete
E. Section 05 4100 - Exterior Metal Stud Framing & Sheathing
F. Section 07 42 13 — Metal Parapet Panels
G. Section 09 22 16 - Non -Structural Metal Framing
H. Section 09 29 00 - Gypsum Board
I. Division 21-26
c. PART 1 — GENERAL: Insert the following
1.5 REFERENCES
A. Referenced Standards: Comply with applicable requirements of the following
standards. The standards referenced herein are included to establish
recognized minimum quality only. Where these standards conflict with other
specified requirements, the most restrictive requirements shall govern.
Equivalent quality and testing standards will be acceptable, subject to their
timely submission, review and acceptance by the Architect.
1. ASTM C 203 - Breaking Load and Flexural Properties of Block Type
Thermal Insulation.
2. ASTM C 518 - Thermal Transmission Properties by Means of the Heat 1
Flow Meter.
09/18/2014 ADDENDUM No.2
Page -11
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
3. ASTM C 578 - Preformed Cellular Polystyrene Thermal Insulation.
4. ASTM D 1621- Compressive Properties of Rigid Cellular Plastics.
5. ASTM E 136 - Behavior of Materials in a Vertical Tube Furnace at 750°C.
6. ASTM E 84 - Surface Burning Characteristics of Building Materials.
7. ASTM E 96 - Water Vapor Transmission of Materials.
8. ASTM C665 -01e1 Mineral -Fiber Blanket Thermal Insulation for Light Frame
Construction and Manufactured Housing.
9. All applicable federal, state and municipal codes, laws and regulations for
thermal insulation.
B. Definitions:
1. The term 'R -Value" referred to herein refers to the thermal resistance of the
Insulation alone and does not allow consideration of airspaces or other
factors.
1.6 DELIVERY, STORAGE AND HANDLING
A. Delivery and Acceptance Requirements:
1. Do not deliver items to the site, until all specified submittals have been
submitted to, and approved by, the Architect.
2. Deliver materials in original packages, containers or bundles bearing
brand name and identification of manufacturer or supplier.
B. Storage and Handling Requirements:
1. Store and handle materials following manufacturer's recommended
procedures, and in accordance with material safety data sheets.
a. Rigid board insulation materials are combustible and may
constitute a fire hazard, do not expose insulation materials to open
flames or other ignition sources, comply fully with manufacturer's
recommendations and the requirements of local authorities having
jurisdiction, for delivery, handling, storage and installation.
2. Protect materials from damage due to moisture, direct sunlight,
excessive temperatures, surface contamination, corrosion and damage
from construction operations and other causes.
C. Damaged material: Remove any damaged or contaminated materials from
job site immediately, including materials in packages containing water
marks, or show evidence of mold.
d. PART 2 — PRODUCTS:
1. "2.2" to remain and become "2.3"
2. Insert the following after 2.1:
2.2 MATERIALS
A. Under -slab and foundation insulation, rigid extruded polystyrene insulation:
Closed cell foam board, square edge, self -extinguishing, conforming to
ASTM C 578, Type IV, with a compressive strength of 25 pounds per
square inch when tested in accordance with ASTM D 1621 equal to Dow
Chemical Corp., Styrofoam Brand "Square Edge" insulation.
1. Panel size: 48 by 96 inches beneath slab, and 24 by 96 inches at
verticals.
2. Minimum R -value: 5 per inch thickness.
ADDENDUM No. 2 09/18/2014
Page -12
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
3. Thickness: 2 inches.
4. Acceptable products include but are not limited to:
a. Dow Chemical Corp., product, Styrofoam Brand "Square Edge"
b. Owens Corning, product "Formular 250".
c. Pactiv, Corp. product "GreenGuard Type IV 25 PSI Insulation
Board".
d. DiversiFoam Products, product "CertiFoam 25 SE".
B. Foamed -in-place insulation for air barrier sealant: Low Pressure
Polyurethane foam sealant. Acceptable products include the following or
approved equal:
1. Fomo Products, Inc., product: "Nandi Foam" or "Handl-Seal".
2. Dow Chemical Company, product: "Great Stuff Pro".
3. Premier industrial Supply, product: "XtraFoam".
4. Convenience Products, Division of Clayton Corp., product: "Touch 'n
Foam No Warp".
5. Henry Company, product: "NailTite NT -100".
C. Thermal batt/blanket glass fiber insulation conforming to ASTM C-665 Type
I, un -faced, comprised of inorganic fibers bonded with formaldehyde -free
thermosetting resin.
1. Surface burning characteristics when tested per ASTM E84:
a. Flame Spread: 25 or less.
b. Smoke Developed: 50 or less.
2. Thicknesses and R -values:
a. Walls:
1) Thickness as indicated on the Drawings.
b. Roof/Ceiling Construction:
1) Thickness as indicated on the Drawings.
D. Rock Wool Insulation (mineral wool fiber) insulation board for cavities of
exterior masonry walls, as shown on Drawings
1. Mineral wool fiber insulation, made from basalt rock and slag, shall be
indicated thickness(es). Noncombustible product with density of 4.1 lbs. per
cu. ft at the inner layer and 6.2 Ibs.per cu. Ft at the outer layer, thermal
resistance of 4.3 hr. per sq. ft.F/Btu, moisture absorption of .07% by
volume, and a perm rating of 27, all in accordance with appropriate ASTM
tests. Insulation shall be supplied from factory in 16 in. wide sheets to fit
horizontally between rows of longitudinal masonry reinforcement.
2. Thermal resistance R shall equal 4.3 per inch of insulation thickness.
d. 3.2, E: Delete "Spray Foam" in first line and replace with "Rigid".
Delete "Do over spray or trim spray insulation"
4. Section 07 42 13 Metal Parapet Panels
a. 2.4, D: Delete the following in line 2.
meeting requirements of Division 07 Section "Joints Sealants"
5. Section 07 46 46 Fiber Cement Siding & Trim
09/18/2014 ADDENDUM No.2
Page -13
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
a. 1.3: Insert the following:
F. Section 07 92 00 - Sealants
6. Section 07 54 23 PVC Membrane Roofing
a. 1.8,A: Insert the following in the fourth line after 15 years"
", with 72 mph peak gust wind speed"
b. 1.8, B: Delete in its entirety
7. Section 07 92 00 Sealants
a. 1.3, E: Delete "Sealant integral with flashing"
8. Section 08 3613 Sectional Overhead Doors
a. 1.2, B: Delete in its entirety.
9. Section 08 4413 Aluminum Storefront, Doors and Interior Windows
a. 1.3,13: Delete the following in the first and second lines:
"as provided under Section 08 00 082 and "Glass & Glazing combined
Filed Sub -Bid Requirements"
b. Part 2 — PRODUCTS: Insert the following:
2.9 SCAFFOLDS AND STAGING
A. General: Filed Subcontractors shall obtain required permits for, and
provide scaffolds, staging, and other similar raised platforms,
required to access their Work as specified in Section 01 50 00 -
TEMPORARY FACILITIES AND CONTROLS and herein.
1. Scaffolding and staging required for use by this Filed
Subcontractor pursuant to requirements of Section 01 50 00 -
TEMPORARY FACILITIES AND CONTROLS shall be
furnished, erected, maintained in a safe condition, and
dismantled when no longer required, by this Filed Sub -trade
requiring such scaffolding.
2. Each Filed Subcontractor is responsible to provide, maintain
and remove at dismantling, all tarpaulins and similar protective
measures necessary to cover scaffolding for inclement weather
conditions other than those required to be provided, maintained
and removed by the General Contractor pursuant to MGL
(Refer to Section 01 50 00 - TEMPORARY FACILITIES AND
CONTROLS and as additionally required for dust control).
3. Furnishing portable ladders and mobile platforms of all required
heights, which may be necessary to perform the work of this
trade, are the responsibility of this Filed Sub -contractor.
4. Enclose all exterior scaffolding outside of the construction
fence with 8 -foot high plywood enclosure at end of each work
day to prohibit access to the scaffolding by unauthorized
individuals.
2.10 HOISTING MACHINERY AND EQUIPMENT
A. All hoisting equipment, rigging equipment, crane services and lift
machinery required for the work by this Filed -Sub Contractor shall
be furnished, installed, operated and maintained in safe conditions
ADDENDUM No. 2 09/18/2014
Page -14
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
by this Filed -Sub Contractor, as referenced under Section 01 50 00
- TEMPORARY FACILITIES AND CONTROLS.
10. Section 09 29 00 GYPSUM BOARD
a. 1.1,A.: Insert the following after "partitions" and before "ceilings and soffits"
"inside face of exterior walls,"
b. 1,1, B, 5: Change to 1.1, C.
(scope is to install access panels furnished by Section 08 31 00)
c. 1.6, C: Delete in its entirety.
d. 2.2, A, 2: First sentence, delete the words "veneer plaster" and insert in their place
the words "gypsum board".
e. 2.3, A, 1: Delete "a, b, & c" in their entirety and replace with the following:
a. USG sheetrock brand "gypsum panels"
b. National Gypsum Company, Gold Bond brand product Gypsum Board
c. Georgia Pacific Gypsum Corporation product "Toughrock"
f. 2.3, B: Delete "C 588 and UL classified `Type IP -X1" after ASTM and insert
"C 1398"
Insert in the second sentence "and 1/2 inch thick, 48 inch width" after "5/8
inch thick'
g. 2.3, B, 1: Delete "a, b, & c" in their entirety and replace with the following:
a. USG sheetrock brand "Fire Code Core"
b. National Gypsum Company, Gold Bond brand product Fire Shield
Gypsum Board
c. Georgia Pacific Gypsum Corporation product "Toughrock Fireguard"
h. 2.3,F: Insert after "Apparatus Support Rooms" the following:
"5/8" thick, 48" width of length to minimize end joints, with tapered edges."
i. 2.4: Insert the following after "SHAFT WALL COMPONENTS"
"(WALL AND CEILING ASSEMBLIES)"
j. 3.2, A: Delete in the first sentence "and veneerplaster work'
k. 3.4, B: Delete in the first sentence `plaster" and insert "Gypsum Board"
I. Insert the following new 3.5
3.5 INSTALLATION OF SHAFT WALL
A. General: Install shaft wall system in strict accordance with manufacturer's
instructions to obtain the required fire rating.
1. Box all openings and penetrations through shaft wall system partitions
and ceilings ready to receive firestopping.
B. Installation of framing:
1. Install J runners or E studs at floor and ceiling structural elements with
suitable fasteners located 2 inches from each end. Space intermediate
fasteners 24 inches on center.
09/18/2014 ADDENDUM No.2
Page -15
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
a. Install runners and studs prior to fireproofing.
b. Do not splice studs, all studs shall extend from the floor to the
underside of the structure above in one single length.
2. Install studs in direct contact with all door and window frame jambs,
abutting partitions, partition corners and existing construction elements;
screw fasten with one screw per flange.
a. Where studs are installed directly to exterior masonry walls, install
15 pound asphalt felt between stud and wall.
3. Install C -H studs 3/8 inch to not more than 1/2 inch less than opening
height and install between liner panels with liner inserted in the groove.
Install full-length steel E -studs over shaft wall liner at T -intersections,
corners, columns and both sides of closure panels. Frame openings cut
within a liner panel with E -studs around perimeter. For openings, frame
with vertical E -studs at edges, horizontal J -strut at head and sill, and
reinforcing as recommended by the shaft wall manufacturer. Suitably
frame all openings to maintain structural support for wall.
4. Furnish and install additional cross bracing and other framing elements,
as required to assure a completely rigid assembly on metal stud
partitions and furred areas, whether or not such bracing has been
indicated on the Drawings, and for proper receipt of items which will be
attached to partition surfaces.
C. Walls surfaces:
1. Liner boards: Cut liner board panels 1 inch less than opening height
and erect vertically between J -runners. Where shaft walls exceed 14
feet in height, position liner panel end joints within upper and lower
third points of wall. Stagger joints top and bottom in adjacent panels.
2. Erect 1/2 inch fire rated gypsum panel base layer horizontally on one
side of studs with end joints staggered. Fasten base layer to studs with
1 inch, Type S-12 screws. Caulk perimeter of base layer panels.
3. Apply 1/2 inch fire rated gypsum panels face layer vertically over base
layer with joints staggered and attach with 1-5/8 inch Type S-12 screws
staggered from those in base, spaced 12 inches on center, and driven
into studs.
D. Horizontal ceiling installation, two hours:
1. Install gypsum panels to horizontally installed CH or E studs.
2. Install the base layer with edges parallel to the studs and attached with
1 inch Type S screws 24 inches on center
3. Install face layer perpendicular to the studs and attach with 1-5/8 inch
type S screws 12 inches on center
4. Place face layer end joints between studs and secure with 1-1/2 inch
Type G screws 12 inches on center
E. Finish face layer board materials as specified here -in below.
m. 3.5 INSTALLATION OF GYPSUM BOARD: Change numbering to 3.6
n. Insert the following new 3.7 and 3.8:
3.7 INSTALLATION OF REVEAL TRIM
A. General: Install reveal trim in accordance with trim manufacturer's
recommendations and as follows:
ADDENDUM No. 2 09/18/2014
Page -16
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
Lay out drywall surface with chalk lines to exact heights and locations
indicated. Cut out gypsum board with router.
Cut extrusions to proper lengths and dry -fit to drywall. Mitre all corners
for hairline joints.
Screw install trim through at 8 inches on center maximum with standard
bugle head drywall screws.
3.8 APPLICATION OF ACOUSTICAL SEALANT
A. General: Install sealant and backing in accordance with the
recommendations of ASTM C-919 and sealant manufacturer's
recommendations.
Perform preparation in accordance with C-790. Thoroughly clean all
joints, removing all loose mortar, oil, grease, dust, frost, and other
foreign materials that will prevent proper adhesion of primers and
sealant materials.
If so recommended and furnished by the specific sealant manufacturer,
apply primer to all joint surfaces, taking care not to stain adjacent
surfaces.
B. Seal all partition perimeters prior to taping or compounding. Where
perimeters are edged with metal trim, apply sealant and backing material
between trim and dissimilar material.
C. Seal all penetrations in partition types designated for "acoustical" insulation.
Penetrations to receive sealant include electrical boxes, plumbing, heating
and air conditioning ducts, telephone, intercom hookups and similar items.
1. Install joint bead back-up in all joints in excess of 5/8 -inch depth, and
joints that have no back-up therein, placing the joint bead in the joint in
a manner that will assure a constant depth 1/8 inch greater than the
sealant and caulking material depth tolerances.
a. Set beads into joints continuously, by slightly stretching during
placement, to permit compression against sides of joint, without
surface wrinkles or buckles.
b. Do not stretch back-up material into joints.
c. Install bond breaker wherever recommended by the sealant
manufacturer to prevent bond of the sealant to surfaces where
such bond might impair the Work.
Apply sealant in continuous beads without open joints, voids or air
pockets
a. The depth of sealant and caulking materials shall be in accordance
with manufacturer's recommendations for the specific joint function,
but in no case exceed 1/2 -inch in depth, nor less than 1/4 -inch,
regardless of the joint width.
3. Remove the temporary masking tape immediately after tooling, and
before the sealant or caulking material has taken initial set.
n. 3.6 APPLICATION OF JOINT TREATMENT: Change numbering to 3.9
o. Insert the following new 3.10:
3.10 TOLERANCES
09/18/2014 ADDENDUM No.2
Page -17
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
A. Maximum variation for gypsum board partitions and ceilings from true
flatness: 1/8 inch per 10 feet, noncumulative.
o. 3.7 CLEANING: Change numbering to 3.11
11. Section 09 6518 Rubber Flooring and Stair Covering
a. 2.2, C: Delete in its entirety
12. Section 09 6519 Resilient Tile Flooring
a. 2.2, A: Delete in its entirety. Water vapor emission control system is carried in Section
09 96 99.
13. Section 33 41 13.01 Reinforced Concrete Pipe
a. 2.1, B: Delete "As indicated" and replace with "Class IV'
14. Section 22 00 00 Plumbing
a. Part 2 PRODUCTS, add the following paragraph:
2.26 COMPRESSED AIR REGULATORS
A. At all compressed air connections furnish and install Parker, or equal,
series C105/C255 combination air filter and pressure regulator.
PART 4 — BID SET DOCUMENTS
4.1 DESCRIPTION
A. The following Drawings are revised as follows:
1. Sheet C2.0: Revise as follows:
Incorporate revisions per SKC-2
2. Sheet C3.0: Revise as follows:
Incorporate revisions per SKC-3
3. Sheet C7.0: Revise as follows:
Delete "Grass Ring Pavers" detail from Sheet.
4. Sheet SP1.1: Revise as follows:
Remove existing tree at SW corner of site along Chickering Road.
5. Sheet 1.2: Revise as follows:
Refer to SKA-11 for plan and elevations of Mock-up panel
6. Sheet A2.1: Revise as follows:
FINISH SCHEDULE — add the following to the comments column for each room listed
below :
Rooms 118, 123, 125, 129, 131, 132, 133 — "Curing and Hardening Compound
on Slab"
Rooms 105, 119, 120, 121, 122, 127, 130 - "Curing and Sealing Compound on
Slab"
ADDENDUM No. 2 09/18/2014
Page -18
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
Incorporate revisions per SKA-12
7. Sheet A2.2: Revise as follows:
FINISH SCHEDULE — add the following to the comments column for each room listed
below :
Room 221 - "Curing and Sealing Compound on Slab"
8. Sheet A4.2: Details 1, 2, 3 & 4 Delete the following note:
"Note: see 1/A5.1 for Typ. Foundation Wall Details & Notes."
Replace with:
"Note: see 21A5.1 for Typ. Foundation Wall Details & Notes."
9. Sheet A5.1: Details 1, 2, 3 & 4 Delete the following note:
"Note: see 1/A5.1 for Typ. Foundation Wall Details & Notes."
Replace with:
"Note: see 21A5.1 for Typ. Foundation Wall Details & Notes."
Detail #2 notes: Replace "Waterproofing "with "Dampproofing"
10. Sheet A5.2: Add the following notes to Detail #5 at the upper portion of the parapet
wall:
Note #1: Extend membrane roofing up parapet face and over top for entire depth of
frame wall.
Note #2: Rigid insulation behind roofing by roofing sub.
Detail #4: Delete the following note:
"Note: see 1/A5.1 for Typ. Foundation Wall Details & Notes."
Replace with:
"Note: see 21A5.1 for Typ. Foundation Wall Details & Notes."
11. Sheet A5.3: Detail #6 Delete the following note:
"Note: see 1/A5.1 for Typ. Foundation Wall Details & Notes."
Replace with:
"Note: see 21A5.1 for Typ. Foundation Wall Details & Notes."
Detail #6 notes: Replace "Waterproofing "with "Dampproofing"
12. Sheet A5.5: Detail #10 Delete the following note:
"Note: see 1/A5.1 for Typ. Foundation Wall Details & Notes."
Replace with:
"Note: see 21A5.1 for Typ. Foundation Wall Details & Notes."
13. Sheet A6.4: Add the following notes to Details 5 & 6:
"Note: see 21A5.1 for Typ. Foundation Wall Details & Notes."
09/18/2014 ADDENDUM No.2
Page -19
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
"Waterproof interior face walls and floor at Elevator and sump pit "
Detail #10 notes: Replace "Waterproofing " with "Dampproofing"
14. Sheet A7.2: Revise as follows:
Details #3, #4, #7, #8, #10 & #14 Change glass designation from
"(2) 5/8" GLASS" to "1/4" TG (Tempered Glass)
15. Sheet S1.0: Concrete Note 2.
Delete note #2 language and insert the following language:
"Concrete mix performance data including air containment, water -cement ratio,
aggregate size, slump, etc has been included in the project specifications."
16. Sheet S3.1
Incorporate revisions per SKS-2
17. Sheet F0.1 - FIRE PROTECTION LEGEND, NOTES & DETAILS: Fire Protection
Criteria: delete paragraph 5 and replace with the following:
Provide complete hydraulic calculations and distribution system design utilizing the
design criteria established on the contract documents. System design shall be
based on flow test provided by this contractor. For design purposes the following
record test was utilized. The test was conducted in 2002 by North Andover Water
Department at the corner of Summit Street and Prescott Street. Elevation of the
gage hydrant was approximately 128'.
Static Pressure = 108 PSI
Residual Pressure = 100 PSI
Flow= 1,561 GPM
Available Flow @ 20 PSI = 5,698 GPM
18. Sheet P0.2 Plumbing Details: Incorporate the clarifications and/or revisions on the
following sketch: SKP-1
19. Sheet P1.1 Below Slab Plan - Plumbing: Incorporate the clarifications and/or
revisions on the following sketch: SKP-2
20. Sheet P1.2 First Floor Plan - Plumbing: Incorporate the clarifications and/or revisions
on the following sketch: SKP-3
21. Sheet P1.3 Second Floor Plan - Plumbing: Incorporate the clarifications and/or
revisions on the following sketch: SKP-4
22. Sheet P1.4 Roof Plan - Plumbing: Incorporate the clarifications and/or revisions on
the following sketch: SKP-5
23. Sheet M1.02 - HVAC - SECOND FLOOR DUCTWORK PLAN: Incorporate the
clarifications and/or revisions on the following sketch: SKM-6.
24. Sheet M3.01 - HVAC - HVAC - DETAILS I: Incorporate the clarifications and/or
revisions on the following sketches: SKM-7 & SKM-8.
25. Sheet M3.02 - HVAC - HVAC - DETAILS II: Incorporate the clarifications and/or
revisions on the following sketch: SKM-9.
26. Sheet M5.01 - HVAC - Control Diagrams I: Incorporate the clarifications and/or
revisions on the following sketch: SKM-10.
ADDENDUM No. 2 09/18/2014
Page -20
NORTH ANDOVER CENTRAL FIRE STATION
North Andover, Massachusetts 01845
Project No. 1304.00
27. Sheet E0.1 — Electrical Symbol List: Incorporate the clarifications and/or revisions on
the following sketch: SKE-6.
28. Sheet E0.3 - Electrical Site Plan: Incorporate the clarifications and/or revisions on the
following sketch: SKE-4 and SKE-7.
29. Sheet E0.5 — Electrical Site Details: Delete detail 6, primary manhole.
30. Sheet E1.1 — First Floor Plan — Lighting: Change exterior canopy lighting circuit to
ELP-9 in lieu of LP -8.
31. Sheet E2.1 - First Floor Plan — Power: Incorporate the clarifications and/or revisions
on the following sketch: SKE-5 and SKE-9.
32. Sheet E2.1 — First Floor Plan — Power: Apparatus Room 129, locate the overhead
door control stations and traffic light for the east wall, on the driver's side of door, typical
for four doors.
33. Sheet E2.2 — Second Floor Plan — Power: Incorporate the clarifications and/or
revisions on the following sketch: SKE-10.
34. Sheet E3.1 — Panel Schedules and Details: Incorporate the clarifications and/or
revisions on the following sketch: SKE-8.
PART 5 —ADDENDUM NO.1 DOCUMENTS
4.1 DESCRIPTION
A. The following Document is revised as follows:
1. Section 01 23 00 ALTERNATES
a. 1.3, A: Change "4000 PSI" to "6000 PSI" in line 1.
END OF ADDENDUM NO. 2
09/18/2014 ADDENDUM No.2
Page -21
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scale: 1/8" = V -0"S
drawn by: TRB
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68 Harrison Avenue
North Andover, Ma 01845
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issued: 09.18.14
M1.02
Boston MA 02111
6 1 7 423 1 4 0 0
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370 Faunce Corner Road, Dartmouth, MA 02747-1271
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scale: N.A.
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68 Harrison Avenue
North Andover, MA 01845
Fire Station
issued: 09.18.14
Ref. E0.1
Boston MA 02111
6 1 7 423 1 4 0 0
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20. FURNISH & INSTALL (2) 2" CONDUITS TO WIREWAY "WW1" IN APPARATUS ROOM 129.
TRU-R GARCIA•GALUSKA•DESOUSA
1i 1` 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 Andover Central
scale: -1'°"
by:
SKE-10
ARCHITECTS
ARC
drawn y: Me
68 Hamson Avenue
North Andover, MA 01845
Fire Station
issued: 9.18.14
Ref. E2.2
Boston MA 02111
6 1 7 423 1 4 0 0
donhamandsweeney.com
Project number: 1304
Addendum No.2