2022066 Addendum No.3.pdf
PDF 166 KB Posted
- Solicitation number
- 52902
- Issued by
- Smyth County, Virginia
About this file
This document is an Addendum to the Invitation for Bid (IFB) 23-015 for the SWVMHI Harmon and Laundry Buildings Roof Replacements project in Marion, Virginia. The project involves replacing approximately 4,900 SF of membrane roofing and 7,000 SF of slate tiles on the Harmon Building, as well as 7,000 SF of existing ballast and EPDM membrane roofing on the Laundry Building. The existing roof deck on both buildings shall remain, and the Contractor shall inspect, patch, and repair the existing roof deck prior to installing new roof materials. The buildings must remain operational during construction.
The Addendum provides additional specifications for the construction panels to be used, including requirements for formaldehyde emission rates, compliance with industry standards, and certain performance ratings for the roof sheathing. It also revises the specification for the slate shingles, replacing the previously specified slate provider with James River Slate. The Addendum is to be acknowledged by prospective bidders and attached to the front cover of the Project Manual.
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Text version
Blacksburg
1116 South Main Street Blacksburg, Virginia 24060
(540) 552-2151
Charleston 222 Lee Street
Charleston, West Virginia 25302
(304) 342-0159
Marietta 149 Acme Street, Suite A
Marietta, Ohio 45750
(740) 371-9001
Martinsburg 5550 Winchester Avenue
Berkeley Business Park, Suite 5 Martinsburg, West Virginia 25405
(304) 342-0159 www.zmm.com
TO: Prospective Bidders
FROM: ZMM, Inc. Architects and Engineers
This Addendum forms a part of the Contract Documents and modifies the original Bidding Documents.
ATTACH THIS ADDENDUM TO THE FRONT COVER OF THE PROJECT MANUAL AND
ACKNOWLEDGE RECEIPT OF THIS ADDENDUM IN THE SPACE PROVIDED ON THE BID
FORM.
SPECIFICATIONS:
Section 061000 – Rough Carpentry
1. Part 2, add:
2.6 CONSTRUCTION PANELS
A. Composite Wood Products: Formaldehyde emission rates shall not be greater than the following when tested according to ASTM D 6007 or
ASTM E 1333:
1. Plywood: 0.05 ppm.
B. Construction Panel Standards: Comply with PS 1 "U.S. Product Standard for Construction and Industrial Plywood" for plywood panels and, for products not manufactured under PS 1 provisions, with American Plywood Association (APA) "Performance Standard and Policies for Structural-Use Panels", Form No.
E445.
C. Trademark: Factory-mark each construction panel with APA trademark evidencing compliance with grade requirements.
Concealed APA Performance-Rated Panels: Where construction panels will be used for the following concealed types of applications; provide APA Performance-Rated Panels complying with requirements indicated for grade
January 31, 2024
ADDENDUM NO. 3
RE: DBHDS SWVMHI
Harmon and Laundry Buildings Roof Replacements Marion, Virginia Architect’s Project No. 2022066 http://www.arcomnet.com/sustainable_design.aspx?topic=63
Blacksburg
1116 South Main Street Blacksburg, Virginia 24060
(540) 552-2151
Charleston 222 Lee Street
Charleston, West Virginia 25302
(304) 342-0159
Marietta 149 Acme Street, Suite A
Marietta, Ohio 45750
(740) 371-9001
Martinsburg 5550 Winchester Avenue
Berkeley Business Park, Suite 5 Martinsburg, West Virginia 25405
(304) 342-0159 www.zmm.com designation, span rating, exposure durability classification, edge detail (where applicable) and thickness.
1. Roof Sheathing: APA RATED SHEATHING.
a. Exposure Durability Classification: EXTERIOR.
b. Exposure Durability Classification: EXPOSURE 1.
c. Span Rating: As required to suit rafter spacing indicated.
2. Part 3, add:
3.6 INSTALLATION OF CONSTRUCTION PANELS
A. General: Comply with applicable recommendations contained in Form No. E 30F, "APA Design/Construction Guide - Residential & Commercial", for types of construction panels and applications indicated.
B. Fastening Methods: Fasten panels as indicated below:
1. Sheathing: Nail to framing.
2. Plywood Backing Panels: Nail to supports.
Section 07312 – Slate Shingles
1. Part 2, section 2.2, 1. b., remove Buckingham-Virginia Slate Corp and replace with James River
Slate.
END OF ADDENDUM
Attachments: NONE
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