addendum #2 - see yourself @ ccsu addendum 2.pdfb., replace “ashrae 62” with “ashrae...
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ADDENDUM #2
MARCH 26, 2015
BURRITT LIBRARY HVAC IMPROVEMENTS- PHASE II STATE PROJECT #BI -RC-343; CCSU PROJECT # 22-AF
FEBRUARY 20, 2015; Page 1 of 3
PROJECT TITLE: BURRITT LIBRARY HVAC IMPROVEMENTS -PHASE II STATE PROJECT #: BI-RC-343 CCSU PROJECT #: 22-AF CONTRACT DOCUMENT DATE: FEBRUARY 20, 2015 MANDATORY PRE-BID CONFERENCE 10:00 AM MARCH 11, 2015 BID OPENING DATE: 3:00 PM, APRIL 9, 2015 CONTENTS OF ADDENDUM #2: Specification Addendum
1. Specification
Section 024190
3.1 E
a. Replace “perform” in the first sentence of E. with “Contractor shall retain
the services of registered professional structural engineer with a CT license
to perform”
2. Specification
Section 230500
1.5 B 1
a. Replace “AWS D.1” with “AWS D1.1-2000”.
b. Replace “B31.1” with “B31.1 – 1999”.
3. Specification
Section 230500
2.4 H 2
a. Add to Section 2.4 H. 2., at end: “Primer shall be purple in color.”
4. Specification
Section 230516
3.3 D
a. Replace “B31.9” with “B31.9-2004”
5. Specification
Section 230517
3.1 B 1 and 3.1 C 2a
a. Delete Section 3.1.B.1
6. Specification
Section 230529
3.2 I
a. Delete 3.2 I. (Information is covered in 3.2. H. and in overall seismic
restraint discussion.)
7. Specification
Section 230593
3.17 D
a. Replace “Prepare test and inspection reports.” with “Prepare test and
inspection reports. Submit successful report to CT OSBI for review.”
ADDENDUM #2
MARCH 26, 2015
BURRITT LIBRARY HVAC IMPROVEMENTS- PHASE II STATE PROJECT #BI -RC-343; CCSU PROJECT # 22-AF
FEBRUARY 20, 2015; Page 2 of 3
8. Specification
Section 230700
a. Add 1.4: “1.4 REFERENCES A. 2009 IECC – International Energy
Conservation Code.”
9. Specification
Section 232113
1.4
a. Add 1.3 K: “1.3 K. 2009 IMC – International Mechanical Code.”
10. Specification
Section 232113
3.4
a. Add to 3.4 A. at end of section: “Contractor shall document all test
procedures including test pressures and test durations. Contractor shall
submit successful test report to CT OSBI for review.”
11. Specification
Section 233113
1.3
a. Replace 1.3 B. with “ASTM A 240-2015 Specification for Heat-Resisting
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for
Pressure Vessels And General Applications.”
b. Add 1.3. G: “G. ASTM A 480-2014a, General Requirements For Flat-
Rolled Stainless And Heat-Resisting Steel Plate, Sheet, And Strip.”
c. In 1.3 C. replace “90A” with “90A-2002”
d. In 1.3 F. replace “UL 181 - Factory-Made Air Ducts and Connectors” with
“UL 181A-94 Closure Systems for Use with Rigid Air Ducts and Air
Connectors, and UL 181B-95 Closure Systems for Use with Flexible Air
Ducts and Air Connectors”
e. Add 1.3 G: “G. 2009 IMC – International Mechanical Code.”
f. Add 1.3 H: “H. 2009 IECC – International Energy Conservation Code.”
12. Specification
Section 233600
1.4 A and B
a. In 1.4 A, replace “NFPA 70” with “NFPA 70-2011”
b. In 1.4. B., replace “ASHRAE 62” with “ASHRAE 62-2007”
13. Specification
Section 233600
3.2 A and 3.3 A
a. In 3.2 A. replace “90A” with “90A-2002”
b. In 3.3 A. replace “Metal and Flexible” with “Metal and Flexible - 1985”
14. Specification
Section 233600
3.4
a. Delete all references to seismic requirements.
15. Specification
Section 233713
3.2
a. (RDG will sit in suspended ceiling grid. If seismic restraint not required,
restraint cables at 2 corners will not be required.)
16. Specification
Section 234100
1.4 A and B
a. In 1.4 A. 1. replace “62.1” with “62.1-2007”
b. In 1.4 A. 2, replace “Comply with ASHRAE 52.1 for arrestance and
ASHRAE 52.2 for MERV for methods of testing and rating air-filter units.”
with “Comply with ASHRAE 52.2-2012 for arrestance and for MERV for
methods of testing and rating air-filter units.”
17. Specification
Section 237313
1.3 B
a. Delete all references to seismic requirements.
ADDENDUM #2
MARCH 26, 2015
BURRITT LIBRARY HVAC IMPROVEMENTS- PHASE II STATE PROJECT #BI -RC-343; CCSU PROJECT # 22-AF
FEBRUARY 20, 2015; Page 3 of 3
18. Specification
Section 237313
1.5
a. In 1.5 A, replace “NFPA 70” with “NFPA 70-2011”
b. In 1.5 B. replace “90A” with “90A-2002”
c. In 1.5 C, replace “ARI 430” with “AHRI 430-2104”, and “ARI” with
AHRI”.
d. In 1.5 F, replace “NFPA 70” with ‘NFPA 70-2011”
19. Specification
Section 238239
2.3
a. In 1.4. B. 1. , replace “ASHRAE 62” with “ASHRAE 62-2007”
b. In 2.3. A, replace “ASHRAE 62” with “ASHRAE 62-2007”
c. In 2.3. B., replace “ASHRAE 90.1” with “ASHRAE 90.1-2007”
d. In 2.3. C., replace “ASCE/SEI 7” with “ASCE/SEI -02”
20. New Specification
Section 230130
a. New 230130, “HVAC Air Duct Cleaning”
Mechanical Drawings Addendum 1. Drawing A-0 a. Update code reference in Drawing A-0 to 2009 IECC. Update NFPA 70
reference to 2011.
2. Drawings MD-1
through MD-4
a. Add new general note stating that, “All new hydronic piping shall be tested
at 1.5 times the system relief valve setpoint, or to a pressure not less than
100 psi, whichever is higher, for duration of 15 minutes per Section 1208.1
of the 2003 International Mechanical Code.”
3. Drawings M-1
through M-4
a. Add General Note 2: “All VAV boxes shall be installed per manufacturer’s
recommendations, including service clearances.”
4. Drawing M-4 a. Modify per MSK-1: The FSD has been changed to CFS. Note 4 does not
apply to this location.
b. Modify Note 7 to read, “Install 3 new combination fire/smoke dampers.”
c. Delete Note 8.
d. Modify per MSK-2: The valves located within the space near the elevator
are to be installed outside the shaft space as shown.
5. Drawing M-7 a. Modify per MSK-3: Detail A1 modified to show piping anchors.
b. Modify per MSK-5: Detail B2 added to show unit heater supports.
c. Modify per MSK-6: Detail C2 added to show VAV supports.
6. Drawing M-8 a. Add note to Detail A2, “Installation must comply with 2003 International
Mechanical Code for access to mechanical equipment.”
b. Modify per MSK-4: Detail C2 changed to C3 and modified to show
threaded rod as hot dipped galvanized.
c. Modify per MSK-10: New Detail C3 added to show heat trace.
7. Drawing M-10 a. Delete HVAC Note 6.
b. Modify per MSK-7: New Detail C1 added to show EF-3 Supports.
c. Modify per MSK-8: New Detail C2 added to show grilles and diffuser
anchorage and support details.
d. Modify per MSK-9: New Detail C3 added to show new roof drain
modification.
** END OF ADDENDUM #2 **
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4TH FLOOR - COMBINATION FIRE/SMOKE DAMPERS
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
1/4" - 1'
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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4TH FLOOR - NEW HYDRONIC VALVES
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
1/4" - 1'
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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CENTRAL CONNECTICUT STATE UNIVERSITY
DETAIL A1/M-7 MODIFICATION
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
NTS
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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CENTRAL CONNECTICUT STATE UNIVERSITY
DETAIL MODIFICATION C2/M-8
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
NTS
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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CENTRAL CONNECTICUT STATE UNIVERSITY
MODIFIED DETAIL B2/M-7
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
NTS
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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CENTRAL CONNECTICUT STATE UNIVERSITY
NEW VAV SUPPORT DETAIL C2/M-7
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
NTS
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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CENTRAL CONNECTICUT STATE UNIVERSITY
NEW DETAIL C1/M-10
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
NTS
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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NEW DETAIL C2/M-10
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
NTS
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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NEW DETAIL C3/M-10
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
NEW BRITAIN CONNECTICUT
NTS
146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com
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CENTRAL CONNECTICUT STATE UNIVERSITY
SKETCH C1 FOR DRAWING M-6 HEAT TRACE CLARIFICATION
BURRITT LIBRARY HVAC IMPROVEMENTSPHASE II
TOWN CONNECTICUT
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146 HARTFORD ROADMANCHESTER, CONNECTICUT 06040860.646.2469www.fando.com