Addendum_2.pdf

FOR OFFICIAL USE ONLY

Template Version: 11 Aug 2011

ADDENDUM NUMBER 2

TO

REMOVE ASBESTOS HIGH BAY, FACILITY 20065

WRIGHT-PATTERSON AIR FORCE BASE, OHIO

PROJECT NUMBER: ZHTV 051863

Solicitation # FA8601-16-B-0001

1. The Contract Drawings and Specifications are hereby amended in part as follows:

A. The Hazardous Material Assement Report for the interior high bay area of Facility 20065 is included in this Addendum as Attachement 1 to the project specifications.

B. Add the following Wright-Patterson AFB specification sections which are provided as part of this Addendum:

i. 02 08 34 - REMOVAL OF MERCURY-CONTAINING LAMPS (WPAFB), 02/10

ii. 02 08 33 - REMOVAL OF POLYCHLORINATED BIPHENYL

FLUORESCENT LIGHT BALLASTS (WPAFB), 04/10

iii. 02 09 00 - REMOVAL AND DISPOSAL OF LEAD CONTAINING

MATERIALS INCLUDING LEAD-BASED PAINT (LBP) (WPAFB), 05/10

C. Details 2 and 3 / A-402 which shows a new angle welded to “existing frame”. Add notes to the detail

i. Attach by welding. The minimum welding pattern is a 2” (2inches) long ¼ inch weld every 12” (12 inches) on both the top and bottom of the angle leg that is in contact with the existing frame.

ii. After installation paint the angle using the 3 coat painting system specified in Section 09 90 00.

D. Specifications: SECTION 07 42 13, Paragraph 2.2.1.b delete the Phrase: “continuous length to cover entire length of any unbroken wall area with no joints or seams and”

E. Drawing A-402 Window details 2, 3, and 5: change the note below as indicated:

i. Delete current note: “Sealant Full Perimeter TYP”

ii. Replace with: “Sealant Full Perimeter Both Sides TYP”

F. Drawings Sheeets A-101A, A101B, and A-301 through A-305 Add or modify Note 105:

i. Currently reads: 105. Prime and paint all exposed wall surfaces, structure, and conduits unless noted otherwise. Do not paint the following items: roof trusses, metal deck and cranes, safety yellow handrails, ladders, wall mounted conduit and piping that is not painted. Paint color "pnt-3" – see SPECS.

ii. Change to read: 105. Prime and paint all exposed wall surfaces, structure, and conduits shown on all elevations unless noted otherwise. Do not paint the following items: roof trusses, metal deck and cranes, safety yellow handrails, ladders, wall mounted conduit and piping that is not painted. Paint color "pnt-3" – see SPECS.

G. Drawing A-402: Add the following general note:

i. 101: Perforated metal panels to receive prefinished metal trim as shown on the details are to be used where the metal panels abut window and door openings, main support columns and at the edge nearest the floor. Where the panels meet intermediate structural members the edge trim is not required if cut edges are clean and true.

H. Drawing A-402, Detail 1 - Change as shown below:

i. Currently reads: New exterior wall metal panel on metal studs, lap 4" over existing wall metal panel, match profile

ii. Change to read: New exterior wall metal panel on 16 gage (minimum) structural metal studs, lap 4" over existing wall metal panel, match profile

I. Drawing A-402, Detail 1, 2, 3 4, and 5 - Change as shown below:

i. Currently reads: 7/8” Metal Furrring Channel @ 24” (or 32”) O.C.

ii. Change to read: 7/8” Metal Furrring Channel or Z Clips, 18 Gage @ 24” O.C.

J. Drawings Sheets A-101A, -101B, A-301 through A-304, Keynote 101, Change as follows:

i. Delete the words “(KRAFT FACE)” at the end of the keynote.

K. Specification Section 07 42 13, Paragraph 1.5.2

i. Delete Paragrpah in its entirety.

ii. Replace Paragraphs with: “The installation contractor must demonstrate experience in installation of metal panel wall systems. The manufacture must provide a technical expert on site for a training session to instruct the installer in the proper installation of their system. “

L. Bid Schedule: The Bid Scheulde has been modified to include a new bid item 0002 as shown below. Other bid item numbers have been adusted accordingly.

i.

0002 - Base Bid – Removal and Replacement of Wood Framing and Insulation

A Unit Price Allowance bid shall be submitted for all work in ZHTV 051863 to furnish all materials and perform all labor required to remove and replace wood framing and insulation as required to install properly install the new acoustical wall panels. as outlined on the project drawings not included in Line item 0001, 0003, or 0004.

Unit Price SF Price Base Bid 0002 $____________ 4700 $__________________

M. Additional Interior Photos of the high bay area of Facility 20065 as well as publicly available aerial perspectives of the primary exterior building elevations are included in this Addendum as Attachement 2 to the project specifications..

N. To provide additional information on the structure and current condition of of Facility 20065 the as original built drawings, and the as builts of the 1990s exterior siding replacement project, are included in this Addendum as Attachement 3 to the project specifications..

O. Specification Section 09 90 00, Paragraph 1.3.2, regarding SSPC QP 1 Certification has been deleted in revised specifcations being issued with this Addendum.

2. This Addendum Number #2 hereby forms and is made a part of the above named Project Drawings and Specifications.