W50S8X20B0001-0008_Addendum-02_ Narrative.pdf
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- Attached to
- IFB: Construct Fuel Systems Maintenance and Aircraft Corrosion Control Hangar Federal contract opportunity
- Solicitation number
- W50S8X-20-B-0001
About this file
This solicitation is for the construction of a fuel systems maintenance and aircraft corrosion control hangar for the California Air National Guard. The project scope includes construction of an approximately 46,600 gross square foot building with an aircraft maintenance hangar and perimeter shops, as well as supporting site work. The building will support HC-130J and HH-60G aircraft and include utilities, HVAC, fire suppression and security systems. The construction duration is 532 calendar days from notice to proceed. Interested contractors are encouraged to attend the pre-bid conference on August 11, 2020 and the subsequent site visit. Bids are due via beta.SAM.gov and the low bidder will be determined using additive alternates as specified in DFARS 252.236-7007.
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Text version
ADDENDUM NO. 02
TO
CONTRACT DOCUMENTS AND SPECIFICATIONS
FOR
CAANG FUEL CELL/CORROSION CONTROL HANGAR
DATE OF ISSUE: 20 August 2020
TO: California Air National Guard
THE CONTRACT DOCUMENTS AND SPECIFICATIONS, INCLUDING THE CONTRACT
DRAWINGS, ARE HEREBY MODIFIED BY THE FOLLOWING LIST OF ITEMS (SUMMARY
DESCRIPTION OF CHANGES IN THIS TRANSMITTAL NARRATIVE ARE GENERAL IN NATURE
AND ARE NOT INTENDED TO BE AN EXHAUSTIVE DESCRIPTIONS OF ALL CHANGES.
REFER TO REVISED CONTRACT DOCUMENTS):
CHANGES TO SPECIFICATIONS
AD-2 Item 1 TABLE OF CONTENTS
A. DELETED section 10 11 00.
AD-2 Item 2 SECTION 01 45 35 – SPECIAL INSPECTIONS
A. Attachment A Statement of Special Inspections
1. ADDED in its entirety.
B. Attachment B Special Inspections Schedule
1. ADDED in its entirety.
AD-2 Item 3 SECTION 02 82 13.00 10 – ASBESTOS ABATEMENT
B. ADDED Attachment A Tables in its entirety.
AD-2 Item 4 SECTION 10 11 00 – VISUAL DISPLAY UNITS
A. DELETED section in its entirety.
AD-2 Item 5 SECTION 13 24 00 – CORROSION CONTROL EQUIPMENT AND AUXILIARIES
A. Section 2.1:
1. ADDED “The equipment supplier’s structure must support the load of all equipment associated with the required processes described herein.
B. Section 2.2.3:
1. ADDED “HEPA filters shall be installed on the suction side of the blower”.
C. Section 2.2.4:
1. ADDED “The metering valve shall be adjustable across the range of operating pressures”.
D. Section 2.2.5:
1. ADDED “Rotary selector valves shall not acceptable”.
Addendum No. 2
CAANG Fuel Cell/Corrosion Control Hangar
August 20, 2020 Page 2 of 4
E. Section 2.3.3:
1. ADDED “The paint booth ventilation system shall have a maximum 80% recirculation and a minimum 20% fresh air exhaust as required to keep space temperatures within limits defined.”
F. Section 2.5.1:
1. CHANGED section title from “Floors” to “Doors”.
2. DELETED “Man doors construction shall be similar to the product entry doors”.
3. CHANGED “Door” to “Man door”.
4. CHANGED “Georgian” to “wired” safety glass.
AD-2 Item 6 SECTION 26 24 13 – SWITCHBOARDS
A. Section 1.4:
1. DELETED SD-07 Certificates entirety.
B. Section 2.5:
1. DELETED paragraph 2.5.4 Cybersecurity Equipment Certification entirety.
C. Section 3.4:
1. DELETED paragraph 3.4.1.6 Cybersecurity Installation Certification
AD-2 Item 7 SECTION 41 22 13.14 – BRIDGE CRANES, OVERHEAD ELECTRIC, TOP
RUNNING
A. Section 1.1:
1. DELETED “ASME NOG-1” from References
B. Section 2.2.1:
1. DELETED “ASME NOG-1” from first sentence.
CHANGES TO DRAWINGS
AD-2 Item 8 DRAWING 00-G007 – CIVIL NOTES SHEET
A. REVISED General Note 12.
AD-2 Item 9 DRAWING 00-G010 – GENERAL PLUMBING LEGENDS AND DETAILS
A. REVISED symbology and abbreviations
AD-2 Item 10 DRAWING 00-C501 – STORM DRAIN DETAILS
A. REVISED Detail 3 stormwater treatment area.
AD-2 Item 11 DRAWING 00-C518 – SITE CIVIL DETAILS
A. REVISED Detail 2 sidewalk ramp.
AD-2 Item 12 DRAWING 01-C301 – CIVIL SITE PLAN
A. REVISED Series 01 Keynotes.
August 20, 2020 Page 3 of 4
AD-2 Item 13 DRAWING 01-C302 – CIVIL SITE PLAN
A. REVISED Series 01 Keynotes.
AD-2 Item 14 DRAWING 02-C301 – CIVIL SITE PLAN
A. REVISED Series 02 Keynotes.
AD-2 Item 15 DRAWING 02-C301AB – CIVIL SITE PLAN – ABI 2
AD-2 Item 16 DRAWING 02-C302 – CIVIL SITE PLAN
AD-2 Item 17 DRAWING 02-C302AB – CIVIL SITE PLAN – ABI 2
AD-2 Item 18 DRAWING 02-C303 – CIVIL SITE PLAN
AD-2 Item 19 DRAWING 02-C303AB – CIVIL SITE PLAN – ABI 2
AD-2 Item 20 DRAWING 02-C304 – CIVIL SITE PLAN
AD-2 Item 21 DRAWING 02-C304AB – CIVIL SITE PLAN – ABI 2
AD-2 Item 22 DRAWING 05-C304 – CIVIL SITE PLAN
A. REVISED security fence gate (Keynote 12).
AD-2 Item 23 DRAWING 00-S002 – GENERAL STRUCTURAL NOTES 1
A. REVISED note G7 to just refer to the project specifications for special inspection requirements.
AD-2 Item 24 DRAWING 00-S504 – STANDARD DETAILS- CONCRETE 4
A. DELETED Note 1 from Detail 7.
AD-2 Item 25 DRAWING 05-S119 – ROOF LOWER TRUSS CHORD FRAMING PLAN- AREA A
AND B
A. REVISED Note 9 to indicate that it applies wherever called out.
August 20, 2020 Page 4 of 4
AD-2 Item 26 DRAWING 00-A505 – GENERAL ARCHITECTURAL DETAILS
A. ADDED Clarifying Note to Details 1, 2 and 3 (Eave and Rake Details).
AD-2 Item 27 DRAWING 05-A107 – HANGAR DOOR SERVICE PALTFORMS
A. DELETED G/05-A404 Detail Reference tags at Service Platform Lower Level Plan
AD-2 Item 28 DRAWING 05-A110 – REFLECTED CEILING PLAN – AREA C
A. REVISED Keynote 32.
AD-2 Item 29 DRAWING 05-A111 – REFLECTED CEILING PLAN – AREA D
A. Deleted Keynote 15 (with the Keynote items on the Plan)
B. REVISED Keynote 32
AD-2 Item 30 DRAWING 05-A503 – ARCHITECTURAL DETAILS
A. REVISED Detail 10
AD-2 Item 31 DRAWING 00-A507 – GENERAL ARCHITECTURAL DETAILS
A. REVISED/Clarified Detail 5 Metal Stud Partition Bracing
B. REVISED Detail 6 Typical Interior Accent Tile Wall Elevation
AD-2 Item 32 DRAWING 05-A601 – ROOM FINSIH SCHEDULE
A. REVISED Ceiling information for various rooms
B. CLARIFIED Epoxy Floor Coating with Specification Reference
AD-2 Item 33 DRAWING 05-AI100 – FLOOR PATTERN PLAN
A. REVISED Sheet Title to – FLOOR PATTERN & CORNER GUARD PLAN
B. ADDED Corner Guard Legend
C. ADDED Corner Guard Locations to Plan
AD-2 Item 34 DRAWING 05-P101 – 05-P104 – PLUMBING UNDERFLOOR SANITARY SEWER
PLANS
A. ADDED cleanouts to Oil Water pipe system.
AD-2 Item 35 DRAWINGS 05-P110 – 05-P113 – PLUMBING SANITARY AND VENT PLANS
A. ADDED cleanouts to Oil Water pipe system.
AD-2 Item 36 DRAWING 05-P114 – PLUMBING ROOF AND OVERFLOW DRAIN PIPING PLAN
A. DELETED overflow storm drain piping cleanout.
THIS ADDENDUM IS MADE PART OF THE CONTRACT DOCUMENTS.
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