2026 0501 Nottawa School Roof Replacement Addendum #1.pdf

e h r e s m a n a r c h i t e c t s . c o m

801 W. Big Beaver Road, Suite 250, Troy, MI 48084 | 248.244.9710 | (f ) 248.244.9712

ADDENDUM

Project: Nottawa Community School District Nottawa School Roof Replacement Roof Replacement

Project No.: 0826

Date: May 1, 2026

Addendum Number: 1

Each Bidder's proposal amount shall include the work described herein.

This Addendum is hereby made a part of the Contract Documents. Unless otherwise indicated, the work described herein shall comply with, and be equal in all respects to the original Specification and Drawings accompanying same. Include incidental work required to properly complete the work, whether stated herein or not.

DRAWING REVISIONS

TTL – Title Sheet CHANGE: Client name FROM: Manchester Community School District TO: Nottawa Community School District

Sheet A9.10 – Sections & Details CHANGE: Drawing Note #6 FROM: Two (2) rows Simpson SDS22 screws @ 24” o.c., 1-1/2” penetration into 2x.

TO: Two (2) rows Simpson SDS22 screws @ 24" o.c. to attach plate through tectum roof deck and to continuous wood blocking below, 1-1/2" penetration to 2x.

CHANGE: Drawing Note #12 FROM: #10 @ 12" o.c. to plate (typ).

TO: #10 @ 12" o.c. to to attach bottom track to plate (typ).

SPECIFICATION REVISIONS

Affidavit Of Compliance – Iran Economic Sanctions Act CHANGE: Name in paragraph #2 FROM: “…certification shall be ineligible to bid on a GPPSS request for proposal…” TO: “…certification shall be ineligible to bid on a NCSD request for proposal…”

GENERAL

Non-Mandatory Pre-Bid Meeting Attendee sign-in list is attached.

Pre-Bid Meeting Agenda Agenda is attached for reference only as an outline of our meeting. No information in the agenda should be considered binding. Refer to drawings and specifications for contractual conditions.

Questions and Answers Question 1: Is the insulation mechanically fastened, adhesive applied, etc.?

Answer 1: Refer to Roofing Composition notes on drawing sheet A2.50 for insulation attachment method.

© Ehresman Architects

TTLProject No. 0826

Nottawa Community School District Nottawa Community School (26438 M-86) Roof Replacement

Title Sheet

Addendum #1: 01 May 2026

Bidding and Permits: 23 April 2026

Nottawa Community School District 26438 M-86 Sturgis, MI 49091 Contact Name: Jerome Wolff, Superintendent Contact Phone: 269-467-7153

ARCHITECT:

STRUCTURAL ENGINEER:

LOCATION PLAN

NOT TO SCALE

ROOF PLAN

NOT TO SCALE

APPLICABLE CODES:

MICHIGAN REHABILITATION CODE FOR EXISTING BUILDINGS: 2021 EDITION

MICHIGAN COMMERCIAL ENERGY CODE: 2021 EDITION

ASHRAE 90.1-2019:

USE GROUP:

GROUP E: EDUCATION

CONSTRUCTION TYPE:

CONSTRUCTION TYPE: ASSUMED IIB (II-000 FROM SCHOOL FIRE SAFETY RULES)

TOTAL FLOOR AREA:

ROOF AREA 'A': 862 SF (GROSS ROOF AREA)

ROOF AREA 'B': 11,055 SF (GROSS ROOF AREA)

TOTAL ROOF AREA: 11,917 SF (GROSS FLOOR AREA)

LIST OF DRAWINGS

ARCHITECTURAL DRAWINGS:

TTL TITLE SHEET

A0.00 GENERAL INFORMATION

A0.50 MANUFACTURER'S ROOFING DETAILS

A0.51 MANUFACTURER'S ROOFING DETAILS

A0.52 MANUFACTURER'S ROOFING DETAILS

A0.60 REPRESENTATIVE PHOTOGRAPHS

A0.61 REPRESENTATIVE PHOTOGRAPHS

A0.62 REPRESENTATIVE PHOTOGRAPHS

A0.63 REPRESENTATIVE PHOTOGRAPHS

A1.50 ROOF REMOVALS PLAN

A2.50 ROOF PLAN

A9.10 SECTIONS & DETAILS

DEFERRED SUBMITTALS:

PER SECTION 107.3.4.1, ANY REQUIRED SUBMITTALS WILL BE SUBMITTED TO THE AUTHORITY HAVING JURISDICTION BY THE REGISTERED DESIGN PROFESSIONAL IN RESPONSIBLE CHARGE ASSUMING THE

DUTIES OF CONSTRUCTION SUPERVISION AT THE APPROPRIATE TIME.

DEFERRED SUBMITTALS:

1. NONE

NOTTAWA COMMUNITY SCHOOL DISTRICT

NOTTAWA COMMUNITY SCHOOL

26438 M-86, Sturgis, MI 49091 Roof Replacement

Nottawa Community School 26438 M-86 Sturgis, MI 49091

AVERAGE R-VALUE:

ROOF AREA 'A': R-VALUE = 30.4 AVERAGE

ROOF AREA 'B': R-VALUE = 37.1 AVERAGE

Location of Work (Represented by shade)

ADD-1

© Ehresman Architects

A9.10Project No. 0826

Nottawa Community School District Nottawa Community School (26438 M-86) Roof Replacement

Sections & Details

Addendum #1: 01 May 2026

Bidding & Permits: 23 April 2026

Scale: 1-1/2"=1'-0" Section at Gabled Entry1

A9.10

GENERAL NOTES:

DO NOT SCALE DRAWING. DRAWING SCALE IS SHOWN FOR GENERAL REFERENCE ONLY.G1.

REFER TO MANUFACTURER SPECIFICATIONS, REQUIREMENTS, ETC. FOR PROPER ROOFING INSTALLATION

PER ARCHITECTURAL SPECIFICATIONS AND WARRANTY CONDITIONS.

Scale: 1-1/2"=1'-0" Section at Roof Area "B" Overhang Edge2

A9.10Scale: 1-1/2"=1'-0" Section at Roof Area "A" Edge3

A9.10

Scale: 1-1/2"=1'-0" Section at Roof Area "A" Overhang Edge4

A9.10

Scale: 1-1/2"=1'-0" Section at Roof Area "B" Edge5

A9.10

Scale: 1-1/2"=1'-0" Section at Existing Drainage Trough6

A9.10

Scale: 1-1/2"=1'-0" Brace Rail Connection Plan7

A9.10

Scale: 1-1/2"=1'-0" Center Brace Plate Detail9

A9.10

Scale: 1-1/2"=1'-0" Side Brace Plate Detail10

A9.10

Scale: 1-1/2"=1'-0" Brace Rail Connection Plan8

A9.10

A9.10

A9.10

A9.10

A9.10

CENTER

SIDES

4 4

TYP

TYP

9 8

REFER TO NOTE #24

BEYOND

RE

FE

R

TO

N

OT

E #2

1'-6"

6" 41 2" 6"

4"

9 8

1 1 2 " 2014

11 2"

2"

1'-6" 3 4"

6" 41 2" 6"

4"

1'-6"

1'- 0"

TYP

1'-6"

2'- 4"

TYP

8" O

.C

TY

P)

4"

2 6 2 6

2 62 8

2 6

2 6 2 6

2 6

2 8 2 6

2 6

2 6 2 4

L.P. ROOFING

H.P. ROOFING

TOP OF WALL

53 4" M

IN

(V

.M

EXISTING TECTUM ROOF DECK2"

75 8"

L.P. ROOFING

H.P. ROOFING

TOP OF WALL

53 4" M

IN

(V

.M

EXISTING TECTUM ROOF DECK2"

1 2"

202323 31

2323 31

L.P. ROOFING

H.P. ROOFING

TOP OF WALL

53 4" M

IN

(V

.M

EXISTING TECTUM ROOF DECK2"

1 2"

32REFER TO NOTE #19

E.C.U. (C.F.V.)

TOP OF WALL

EXISTING TECTUM ROOF DECK

6'-

31 4" (

MA

TC

H

EX

IS

TI

NG

G

AB

LE

H

EI

GH

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G2.

DRAWING NOTES:

METAL STUD TOP / BOTTOM TRACK (600T125-33)--SECURE WITH TWO (2) #10 EACH STUD.1.

STUD BRACING (600S137-43) WITH TWO (2) #10 AT EACH STUD.2.

4" x 3" GALVANIZED STEEL PLATE WITH TWO (2) 38" DIAMETER BOLTS THROUGH DOUBLE-STUDS WITH

WASHERS.

3.

METAL STUD WALL FRAMING (600S137-43) @ 24" O.C.4.

16-GAUGE CONTINUOUS PLATE.5.

TWO (2) ROWS SIMPSON SDS22 SCREWS @ 24" O.C. TO ATTACH PLATE THROUGH TECTUM ROOF DECK AND TO CONTINUOUS WOOD BLOCKING BELOW, 1 12" PENETRATION INTO 2x.

6.

CONTINUOUS 2 x 6 PRESERVATIVE TREATED BLOCKING.7.

SLOT PIPE AT KNIFE PLATE AND ATTACH WITH 12" DIAMETER BOLT (TYP).8.

1 12" DIAMETER SCHEDULE 40 GALVANIZED PIPE @ 9'-0" O.C.9.

DOUBLE METAL STUD (AT PLATE).10.

2" DIAMETER BOLT.11.

#10 @ 12" O.C. TO TO ATTACH BOTTOM TRACK TO PLATE (TYP).12.

2" x 1'-6" GALVANIZED STEEL PLATE--REFER TO LOCATION FOR SIZE.13.

8" x 6" x 10" GALVANIZED STEEL PLATE WELDED TO BASE PLATE (VERIFY EXACT HEIGHT PRIOR TO

FABRICATION WITH ROOF SYSTEM THICKNESS).

14.

SHIM TOP OF WALL / VOID SOLID.15.

2" DIAMETER THREADED ROD EPOXY SET WITH HILTI HY-270 (MINIMUM 6" EMBEDMENT) INTO EXISTING

BOND BEAM. CONTRACTOR TO FIELD VERIFY BOND BEAM PRESENCE AND CONDITIONS.

16.

EXISTING CMU / MASONRY WALL--E.C.U. (C.F.V.).17.

EXISTING BOND BEAM--VERIFY PRESENCE AND CONDITION IN THE FIELD. REPORT ANY DISCREPANCIES

TO THE ARCHITECT FOR DIRECTION.

18.

EXISTING DRAINAGE TROUGH WITH HEAT TAPE--REMOVE AND REINSTALL HEAT TAPE IN ORDER TO

PROPERLY TIE-IN PER MANUFACTURER REQUIREMENTS.

19.

ROOFING SYSTEM (MEMBRANE & INSULATION)--REFER TO SHEET A2.50 FOR FURTHER INFORMATION.20.

EXISTING TECTUM ROOF DECK--E.C.U. (C.F.V.).21.

CARRY ROOFING MEMBRANE UP FACE OF WALL AND OVER TOP OF WALL.22.

4" PRESERVATIVE TREATED PLYWOOD SHEATHING.23.

EXISTING SOFFIT MATERIAL TO REMAIN--E.C.U. (C.F.V.). CONTRACTOR TO REMOVE AND REINSTALL SOFFIT

AS REQUIRED FOR MEANS AND METHODS OF CONSTRUCTION.

24.

EXISTING FRIEZE BOARD--E.C.U. (C.F.V.).25.

MANUFACTURER'S 25-YEAR GUTTER TIE-IN DETAIL.26.

2x PRESERVATIVE TREATED WOOD BLOCKING.27.

PREFINISHED METAL GUTTER--SLOPE TO DOWNSPOUT LOCATIONS.28.

GUTTER BRACKET AND FASTENER @ 32" O.C. MAXIMUM.29.

GUTTER STRAP SPACER.30.

2x PRESERVATIVE TREATED WOOD BLOCKING / WALL.31.

EXISTING SLOPED METAL ROOF TO REMAIN--CONTRACTOR TO TIE IN PER MANUFACTURER'S

REQUIREMENTS.

32.

ALL PREFINISHED METAL COPING, EDGE METAL, ETC. TO BE COMPLETE WITH CONCEALED CLIP ANCHORS

ON BOTH SIDES (NO VISIBLE ANCHORS).

G3.

CARRY ROOFING UP AND OVER ALL WALLS, PARAPET EDGES, ETC.G4.

TYP

2 8 2 6

PREFINISHED METAL SIDING COMPLETE WITH ALL ACCESSORIES, CLOSURES, CLIPS, OUTSIDE CORNERS, ETC. FOR A COMPLETE INSTALLATION (SIMILAR TO ATAS INTERNATIONAL; DESIGN WALL: DWH120 WITH 6"

UP, 6" DOWN).

33.

PREFINISHED METAL SIDING CLOSURE / DRIP AT TOP AND BOTTOM OF WALL TO SUIT CONDITIONS.34.

SELF-ADHERING WEATHER RESISTIVE BARRIER AT FACE OF PLYWOOD SHEATHING (UNDER SIDING).35.

PREFINISHED METAL CAP WITH PRE-SLOPED CONTINUOUS CLEAT.36.

Scale: 3"=1'-0" Gutter Detail11

A9.10

A9.10

A9.10

SIMILAR2 4

REINFORCED EPDM MEMBRANE.37.

6" PRESSURE SENSITIVE TAPE.38.

EPDM ROOFING MEMBRANE.39.

SHEET METAL FASCIA AND CONTINUOUS CLEAT.40.

CLEAT FASTENER--INSTALL TYPE AND SPACING PER MANUFACTURER REQUIREMENTS.41.

42. FLANGE FASTENER--INSTALL TYPE AND SPACING PER MANUFACTURER REQUIREMENTS.

ADD-1

ADD-1

Ehresman Architects Affidavit Of Compliance – Iran Economic Sanctions Act Nottawa Community School District Project No.: 0826 Nottawa Community School Roof Replacement Page 1

AFFIDAVIT OF COMPLIANCE – IRAN ECONOMIC SANCTIONS ACT

Michigan Public Act No. 517 of 2012

The undersigned, the owner or authorized officer of the below named contractor (the “Contractor”), pursuant to the compliance certification requirement provided in this Request For Proposal (the “RFP”) issued by Nottawa Community School District (“NCSD”), hereby certifies, represents and warrants that the Contractor (including its officers, directors and employees) is not an “Iran linked business” within the meaning of the Iran Economic Sanctions Act, Michigan Public Act No. 517 of 2012 (the “Act”), and that in the event Contractor is awarded a contract as a result of the aforementioned RFP, the Contractor will not become an “Iran linked business” at any time during the course of performing the Work or any services under the contract.

The Contractor further acknowledges that any person who is found to have submitted a false certification is responsible for a civil penalty of not more than $250,000.00 or 2 times the amount of the contract or proposed contract for which the false certification was made, whichever is greater, the cost of the School District’s investigation, and reasonable attorney fees, in addition to a fine. Moreover, any person who submitted a false certification shall be ineligible to bid on a NCSD request for proposal for three (3) years from the date it is determined that the person has submitted the false certification.

CONTRACTOR:

Name of Contractor

By:

Its:

Date:

STATE OF )

)ss.

COUNTY OF ____________ )

This instrument was acknowledged before me on the _____ day of ____________, 20__, by

, Notary Public

______________ County, _______________

My Commission Expires:________________

Acting in the County of :_________________

Addendum #001

Marc Highlight

LIST OF PLAN HOLDERS

Project: Nottawa Community School District Nottawa Community School Roof Replacement

Project No.: 0826

Date: April 23, 2026

Bids Due At: Nottawa Community School

26438 M-86 Sturgis, MI 49091

Bid Date Due: May 12, 2026 Time Due: 1:00 p.m. (local time)

Addendum Issued

COMPANY NAME / ADDRESS

COMPANY PHONE CONTACT EMAIL ADDRESS:

1:

2:

3:

PRE-BID MEETING ATTENDEES

Division 7 Building Contractors 8233 Neptune Drive Kalamazoo, MI 49009

O: 866-377-6634 C: 517-375-9869 Name: Kyle Menard kyle.menard@d7bci.com

Hoekstra Roofing Company 1963 Olmstead Road Kalamazoo, MI 49009

O: 269-343-5536 C: 616-914-7112 Name: Beam Beverly beam@hoekstraroofing.com

Great Lakes O: 616-325-9636 C:

Name: Fernando Diaz fdiaz@weathershieldusa.com

Slatile Roofing & Sheet Metal Co.

1703 S. Ironwood Drive South Bend, IN 46613

O: 574-233-7485 C: 574-721-0662 Name: Rich Taylor rich.taylor@slatile.com

Nottawa Roofing Solutions 61727 Lepley Road Burr Oak, MI 49030

O: 269-659-0071 C:

Name: Calvin Schmucker

(no email address)

Excel Roof Systems 58854 M-66 Centreville, MI 49032

O:

C: 269-244-0032 Name: Merle Miller excelroofing96@gmail.com

Lyster Contracting 2211 Miller Road Kalamazoo, MI 49001

O: 855-597-8377 C: 269-207-1643 Name: Tony Koshar tony@lysters.biz

Tek-Pro Commercial Roofing

68905 IN-19

Nappanee, IN 46550

O: 574-354-3237 C: 574-202-9868 Name: Francisco Lopez pancholopez@tekproroofing.com

O:

C:

Name:

PRE-BID MEETING ATTENDEES (OWNER, ARCHITECT, CM/GC)

Nottawa Community Schools 26438 M-86 Sturgis, MI 49091

O: 269-467-7153 C: 269 625-7067 Name: Jerome Wolff jwolff@nottawaschool.org

Ehresman Architects 801 W. Big Beaver Road, ste. 250 Troy, MI 48084

O: 248.244.9710 C:

Name: Marc Chamberlin marc@ehresmanarchitects.com

COMPANIES KNOWN TO HAVE PLANS (DID NOT ATTEND PRE-BID MEETING)

Bloom Roofing Systems Inc.

12238 Emerson Drive Brighton, MI 48116

O: 248.264.7200 C: 248.834.8480 Name: Logan Brown sales@bloomroofing.com

Butcher & Butcher Construction 3885 Industrial Drive Rochester Hills, MI 49309

O: 248.852.2323 C:

Name: Bob Meller rmeller@bbconstruct.com

Mayer Builders O:

C:

Name: Athony Mayer mayerbuilders1@gmail.com

Schena Roofing & Sheet Metal 28299 Kehrig Drive Chesterfield, MI 48047

O: 586.949.4777 C:

Name: Gary Burnett gburnett@schenaroofing.com

Tek-Pro Roofing

68905 IN-19

Nappanee, IN 46550

O: 574.285.0130 C:

Name: Niko Lopez nikolopez@tekproroofing.com

PLAN ROOM LIST

Builders Exchange

DODGE

REED

CAM (Michele Milks) BX Lansing Construct Connect Builders Exchange-Kalamazoo Construction Site projects@grbx.com dodge.docs@construction.com docprocessing@cmdgroup.com editor@buildwithcam.com bids@bxlansing.com content@constructconnect.com kbe@builder-exchange.com jday@constructionsite.org

PRE-BID MEETING AGENDA

Project: Nottawa Community School District Nottawa Community School Roof Replacement

Project No.: 0826

Date: April 30, 2026

Agenda

1. Welcome

2. Introduction

a. Jerome Wolff, NCSD Superintendent

b. Marc Chamberlin, Ehresman Architects

3. Contact Information

a. All technical questions regarding the plans and/or specifications should be directed to the architect at architects@ehresmanarchitects.com.

4. Non-Mandatory Meeting

a. Please make sure the email and other contact information on the sign-in sheet is complete and legible (business cards are appreciated).

b. If the Contractor wishes to coordinate subsequent site visit(s), they are to contact Jerome Wolff (269-625-7067 or 269-467-7153).

a. Do not show up to the building expecting to review conditions without a pre-arranged visit scheduled

5. Project Description

a. Remove the existing metal roofing and associated metal support structure (above existing roofing system)—approximately 11,917 sf.

b. Remove the existing built-up (BUR) roof system down to the existing tectum roof deck— approximately 11,917 sf.

c. Remove the existing perimeter metal edge fascia or other flashings / caps as required for the work.

d. Install new insulation (flat and tapered), and fully-adhered EPDM membrane.

e. Install new “parapet” walls, gable walls, etc. including steel pipe bracing and siding.

f. Install new perimeter metal edge fascia or other flashings / caps as designated or required for the project.

g. Install new prefinished metal gutter, downspouts, and downspout extensions.

h. Raise existing rooftop mechanical and/or electrical equipment as necessary to satisfy warranty requirements.

a. Contractor will need to review and determine what needs to be raised or modified and included in the bid

i. Items that are shown on the plan are either items that were visible or shown on a previous roof replacement drawing.

a. Items taken from previous drawings are not able to be verified due to metal roofing

6. Alternates

a. Currently, there are no alternates included with this project.

7. Plans and specifications

a. If you have not received yet, please contact the architect at architects@ehresmanarchitects.com to obtain an electronic copy of the plans and specifications

8. Addenda

a. All addenda will be issued to SIGMA, posted on the district’s website, and will be emailed by the architect to companies known to have the bidding documents.

b. At a minimum, addendum #1 will include the pre-bid meeting sign-in sheet, pre-bid meeting agenda, clarifications, and any contractor questions that come out of today’s meeting.

c. Other questions that arise will be answered in subsequent addenda.

d. Contractor questions must be submitted by Tuesday, May 5, 2026 @ 12:00 p.m.

e. The final Addenda will be issued no later than Tuesday, May 6, 2026 @ 4:00 p.m.

9. Bid Due Date

a. No later than Tuesday, May 12, 2026 @ 1:00 p.m. (local time).

b. Bids are due at this building (26438 M-86, Sturgis, MI 49091) at the main office.

c. Bids will be opened and read aloud at this time and place if anyone wants to stay for the opening.

10. Type of Bidder

a. Prime Contractor (to include all work scopes).

11. Type Bid

a. Fixed stipulated sum.

12. Allowances

a. There are no allowances to be included in the Base Bid Proposal.

13. Unit Prices

a. There are several unit prices that are requested to be filled in as requested (include all items regardless if they don’t seem to apply as unforeseen conditions may require).

b. Unit prices are to be used for small unforeseen conditions or additions / deletions.

a. If there are situations where large scale replacements are needed, a Proposal

Request will be issued and isn’t necessarily based on unit prices

14. Bid Bond

a. Submit with the bid in the amount of 5% of the contract amount.

15. Performance and Payment Bonds

a. Are to be Included in the Base Proposal cost.

b. Are to be in the amount of 100% of the contract amount.

16. Prevailing Wages

a. There are no requirements for prevailing wages on this project.

17. Union

a. There are no requirements for the use of union labor on this project.

18. Schedule:

a. Anticipated award date: May 19, 2026

b. Start on-site operations: June 1, 2026

c. Substantial completion: Friday, August 14, 2026

d. Final completion: Friday, August 21, 2026 (school resumes August 24th)

19. Site Access / Other Work / Staging Area

a. Staging, product storage, etc. will be in the parking lots and contractor will need to review with Owner (for crane locations, storage, etc.) prior to starting on-site operations.

a. Preconstruction meeting will assist in identifying these locations

b. Coordinate with Building Engineer for parking and access to water, electric, etc. if required.

c. Damage to existing to remain items will be repaired at no additional expense to the Owner

(including asphalt / concrete parking lots and lawn damage from cranes, sky tracks, etc.).

a. Contractor will need to document pre-construction conditions based on proposed path to building(s), etc.

b. Owner reserves the option to have their vendor(s) make any repairs and the contractor’s contract will be reduced via change order to cover such costs

d. For any temporary tie-ins, Contractor must make all provisions to make roof water-tight.

20. Permits

a. Plans have been submitted to the State for plan review and permitting (no status yet but don’t expect any issues).

21. Work Hours

a. Contractor must conform to local municipality requirements for allowable construction times

a. Contractor to confirm with municipality for day or time restrictions

b. If work is not complete prior to the start of school, the completion work may be required to be done after school hours (depends on type of work, noise, etc.)

22. Roof Cores

a. A roof core has been performed and that information is included on the drawings as the existing roofing composition information (limited access).

23. Adjourned