SB-0064 New Lewton Elem School Addendum 2.pdf

A d d e n d u m N o . [ 2 ]

The Christman Company 408 Kalamazoo Plaza Lansing, MI 48933 Phone 517 -482-1488 Fax 517-482-3520 Rev. 11/2005 X:\221125 - LSD 2022 Bond\Documents\PC-221125-100\08.0 Internal Documents\8.04 Bidding\1 Bid Pack Prep\BP2 - New Build\Addendum

1\TCC_Addendum 1 Cover Letter.doc

Project Name: Lewton – Bid Package 2 – New Build

Project No.: 221125-100

Architect: Kingscott

Date: 10/30/2025

Bid Package No.: 2

Bid Due Date: 11/20/2025 @ 2:00PM

This Addendum is issued to inform the bidders of modifications in the scope of work being bid for this project.

A. Documents included in this Addendum:

i. WC15 – METAL SIDING

1. Project Manual.pdf contains 2 copies of WC14 – Roofing, mistakenly one of these should have been WC15 – Metal Siding, included in this addendum.

B. Other modifications:

• None

C. Bids are due 11/20/2025 @ 2:00PM.

• Include in your bid the increase or decrease for all materials, labor, supervision, overhead and profit required to properly and completely execute the work described in this Addendum.

• Acknowledge receipt of this Addendum on the Bid Proposal Form.

The applicable provisions of the Contract Documents shall govern all work included herein unless specifically noted otherwise.

END OF ADDENDUM NO. [#2]

Lewton School Lansing, Michigan

Proposal Section Work Category Description

The Christman Company Page WC 15 -1 WC 15 Metal Siding

Work Category No. 15 – Metal Siding

Work Included:

The subcontractor shall timely perform all Metal Siding work, as detailed below, in accordance with the contract documents (including Bidding Requirements, Proposal Section, Contract Forms, General Conditions, Supplemental Conditions, General Requirements, Addenda, etc.), including, but not limited to, the following Specification Sections and Work Scope Items. Unless otherwise noted, this contractor is responsible for all items specified in the following specifications sections:

Refer to Work Category Index

Work Category Notes:

1. Furnish and install all metal siding including but not limited to bent metal trim, drip edges, copings, joint sealants, gaskets, integral louvers, secondary support framing, shims, flashings, trim, and accessories.

2. Furnish and install pre-finished sheet metal closures, end panel extrusions, gravel stops, copings, panel flashings, stainless steel counter flashings, etc. Sheet metal copings over architectural pre-cast wall panels.

Furnish and install above referenced sheet metal closures and trim that is in contact with metal wall panels & louvers for a complete watertight assembly, including required design and engineering.

3. This contractor to coordinate and cooperate with roofing subcontractor on locations of counter flashings, sheet metal closures & trim details, anchoring and other termination details, for a complete water tight installation.

4. Full coordination with other contractors to insure all penetrations through the metal siding are sealed completely.

5. This work category shall assume custom colors shall be required and all necessary submittals and samples shall be coordinated with the roofing contractor for flashing/gutters, and glazing contractor. Contractor shall assume as a base bid that all metal siding is custom painted, including all accessories.

6. All embedded items, i.e. masonry and pre-cast counter flashing reglets, shall be clearly marked/labeled per approved erection drawings, and appropriately delivered to assigned subcontractor responsible for installation of embedded items. 48-hour advance notification of embedded shipments will be required for proper coordination with others.

7. Promptly construct field mock-up sheet metal per 074213.13 ALUMINUM COMPOSITE MATERIAL

WALL PANELS.

8. Properly protect adjacent roofing systems from damage, with rigid insulation and plywood, to avoid crushing tapered roof insulation. Coordinate temporary roof protection details with General Contractor and WC 14.

9. All flashings and roof termination details need to be inspected by the Construction Manager prior to being covered up and concealed.

Specific Notes and Details:

The following details and notes are included in this Work Category; this list is to clarify the specific items noted below and does not exclude other details or otherwise limit the scope of work for this Work Category.

1. This Work Category is responsible for all winter conditions associated with the installation of metal siding, including removal of snow, ice and moisture to ensure proper installation of metal panel/siding assemblies per the manufacturer’s requirements. Note: Snow Removal for site access by others, the snow and ice

Lewton School Lansing, Michigan

Proposal Section Work Category Description

The Christman Company Page WC 15 -2 WC 15 Metal Siding removal note here is for specific assembly related snow inhibiting this work category from adhering to the building all materials required.

2. All furring and fastening at all locations are required to be installed by this WC as necessary for complete installation of the metal panel assembly. This is to include all locations where furring is embedded in spray applied insulation where installation is required prior to spraying.

3. Soffit metal to be provided by and installed by this work category. Custom colors shall also be assumed for this material (A5.2/3).

4. This Work Category shall provide and install all air vapor barrier as required beneath ACM panel systems (A5.2/3).

Related Work by Others:

1. Independent Field Testing by Owner.

2. Steel frame and girts by WC 12.

3. Roof expansion joints and associated counter flashing by WC 14.

4. Flat roof by WC 14.

5. Wood blocking and plywood in contact with metal wall panels by WC 21.

a. This Work Category shall furnish and install all air and moisture barrier membranes on all blocking and sheathing behind all metal panel installations, providing a complete and continuous system in accordance with the contract documents and manufacturer’s requirements (A5.2/3).

6. Louvers not integral with metal wall panels, blank-off panels at louvers and metal louvers by WC 27.

7. Provide in advance, counter flashing reglets to pre-cast and masonry subcontractors, installation by others.

8. Removal of perimeter roof guardrails/protection by WC 14.

9. Roof sump pans, roof drains, overflow roof drains, lighting protection devices and cable, wall and roof anchors, davits, roof stairs and ladders furnished and installed by others.

10. Dens Glass sheathing and CFMF by WC 21.

11. Air vapor barrier beneath exterior tile by WC 22 (refer to A4.3/3).

Allowances:

This Contractor shall include in their Base Bid a Construction Manager’s allowance of $0. Reference Section 01020 for specific instructions on allowances.

Unit Prices:

Unit Prices are to be complete furnished in-place operations, and include all costs, incidental materials and work, insurance, fringes, bonds, engineering, overhead and profit. Reference the Trade Contract Proposal form for unit pricing required.

End of Work Category No. 15