Addendum No 1 2026-5-14.pdf
PDF 13 MB Posted
- Attached to
- Forest Hill Nature Center - New Building
- Solicitation number
- RFP GIR 260000001926 4
- Issued by
- Ingham County, Michigan
About this file
Summary of Addendum No. 1 for Forest Hills Nature Center - New Building Project
This addendum document, issued by architect Roger L. Donaldson, AIA P.L.C., modifies and clarifies the original plans and specifications for the Gratiot-Isabella Residential Education Service District's new Forest Hills Nature Center building located at 11297 N. Rich Road, Alma, Michigan. The addendum was submitted to the State of Michigan SIGMA website on May 13, 2026, and must be acknowledged by bidders on the proposal form to avoid disqualification. The project encompasses all trades construction work including site clearing, earthwork, structural elements, mechanical/plumbing/electrical systems, and related work. Bids are due May 20, 2026, at 2:00 p.m. local time at the Gratiot-Isabella RESD office in Ithaca, Michigan. Receipt of this addendum and all previously issued addenda must be noted on the bid proposal form. The addendum reissues multiple specification sections (including polished concrete finishing, standing seam metal roofs, FRP/aluminum hybrid doors, and wood windows) and adds three alternates: Alternate No. 1 for asphalt shingles, Alternate No. 2 for a geothermal system design-build instead of propane with cooling tower, and Alternate No. 3 for providing a new well with pump, piping, and pressure tank.
Key modifications include adding a $40,000 allowance for water filter and water softener equipment and installation, requiring a pre-construction flow test on the existing well by the civil engineer to determine capacity adequacy, provisions for new well drilling as an alternate if existing capacity is insufficient, and various lighting fixture type changes with specified 2700K color temperature for exterior fixtures. The contractor assumes full site control and coordination responsibility for all trades, with all coordination costs included in the base bid. Bidders must submit subcontractor listings, including excavation, building structures, concrete, mechanical, plumbing, electrical, and fire alarm trades. The contract requires a 10-year warranty on doors and frames, a 30-year finish warranty on metal roof panels, and a 10-year warranty on polished concrete finishing. Contractors must comply with Michigan Building Code 2021, ADA accessibility guidelines, and all local, state, and federal codes and regulations. The bid proposal allows for a 5 percent markup on both force account work and subcontracted work for overhead and profit.
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Member International Code Council U.S. Green Building Council
American Institute of Architects Association of Licensed Architects National Fire Protection Association National Frame Builders Association
Construction Specifications Institute National Council of Architectural Registration Boards
4787 Tartan Lane • Holt, Michigan 48842-1935
RogerAIA@comcast.net (517) 694-0011 email voice
D E S I G N I N G A B E T T E R F U T U R E
ROGER L. DONALDSON, AIA P.L.C.
ARCHITECT
ADDENDUM #1
PURPOSE:
This addendum is issued for the purpose of modifying and/or clarifying the original plans and specifications and shall take precedence over them. This addendum forms a part of the Contract Documents.
All work included herein shall be in accordance with the original plans and specifications except as specifically noted herein.
This addendum is being submitted to the State of Michigan SIGMA website.
Receipt of this addendum shall be noted on the Proposal Form in the appropriate locations. Failure to note receipt of this addendum may disqualify the Bidder.
ITEMS INCLUDED WITH ADDENDA:
ADDENDUM #1 ............................................................................................... Reissued 05/13/2026
SECTION 00 01 10 TABLE OF CONTENTS ................................................................... Issued 05/13/2026
SECTION 00 41 13 BID PROPOSAL FORM .............................................................. Reissued 05/13/2026
SECTION 03 35 43 POLISHED CONCRETE FINISHING ................................................. Issued 05/13/2026
SECTION 07 41 13 STANDING SEAM METAL ROOFS ................................................. Issued 05/13/2026
SECTION 08 17 43 FRP/ALUMINUM HYBRID DOORS ................................................ Issued 05/13/2026
SECTION 08 52 00 WOOD WINDOWS ....................................................................... Issued 05/13/2026
SECTION 31 10 00 SITE CLEARING ........................................................................... Issued 05/13/2026
SECTION 31 21 00 EARTHWORK .............................................................................. Issued 05/13/2026
SECTION 32 92 00 TURF AND GRASSES .................................................................... Issued 05/13/2026
DRAWING SHEET A1.2 ........................................................................................... Issued 05/13/2026
DRAWING SHEET A3.3 ........................................................................................... Issued 05/13/2026
DRAWING SHEET E-100 ......................................................................................... Issued 05/13/2026
DRAWING SHEET E-500 ......................................................................................... Issued 05/13/2026
QUESTIONS & ANSWERS .............................................................................................. ISSUED 05/13/2026
PRE BID SIGN IN SHEET ........................................................................................................... 05/06/2026
CHANGE TO PROJECT MANUAL:
1. SECTION 00 01 10 TABLE OF CONTENTS REISSUED 05/13/2026
2. SECTION 00 41 13 BID PROPOSAL FORM REISSUED 05/13/2026
3. SECTION 00 43 23 Alternates, p00432-1, add the following Alternate:
Alternate No. 3 New Well Provide alternate pricing for providing and installing a new well, pump, piping, pressure tank, and all associated accessories for the building.
4. SECTION 00 52 24 AIA A101-2017 EXHIBIT A, P4, §A3.2.2.1, add sub paragraph “.11”
“.11 Builder’s Risk Insurance”
CHANGES TO SPECIFICATIONS:,
5. SECTION 03 35 43 POLISHED CONCRETE FINISHING ISSUED 05/13/2026
6. SECTION 07 41 13 STANDING SEAM METAL ROOFS ISSUED 05/13/2026
7. SECTION 08 17 43 FRP/ALUMINUM HYBRID DOORS ISSUED 05/13/2026
8. SECTION 08 52 00 WOOD WINDOWS ISSUED 05/13/2026
9. SECTION 08 80 00 GLASS AND GLAZING: P08 80 00-2, PARAGRAPH 2.P.2.H; DELETE SUBPARAGRAPH.
10. SECTION 31 10 00 SITE CLEARING ISSUED 05/13/2026
11. SECTION 31 21 00 EARTHWORK ISSUED 05/13/2026
12. SECTION 32 92 00 TURF AND GRASSES ISSUED 05/13/2026
NEW NATURE CENTER
GRATIOT-ISABELLA RESD
FOREST HILLS NATURE CENTER
11297 N. RICH ROAD
ALMA, MICHIGAN 48837
ARCHITECTS PROJECT #24-43
DATE: May 13, 2026
FOREST HILLS NATURE CENTER1 Project #24-43 d:\projects\clients\24\24-43\24-43 bidding\addendum 1\24-43 addendum 01.docx
4787 Tartan Lane • Holt, Michigan 48842-1935
RogerAIA@comcast.net (517) 694-0011 email voice
D E S I G N I N G A B E T T E R F U T U R E
ROGER L. DONALDSON, AIA P.L.C.
ARCHITECT
CHANGES TO DRAWINGS:
13. SHEET 1.2: ADD “WINDOW SCHEDULE AND NOTES’, SHEET REISSUED 05/13/2026
14. SHEET 3.3: ADD SHEET 3.3, ISSUED 05/13/2026
15. SHEET C-400 Add the following notes:
a. The well drilling contractor is responsible for extending a new 2” water line from the existing well to the new building. The contractor is responsible for providing and installing the piping, pressure tank, and all associated accessories. Piping shall be installed 5’ below grade. Coordinate routing with all other trades and existing site conditions. Prior to construction beginning and material being order the contractor shall perform a flow test on the existing well for the civil engineer to review and determine whether the well has enough capacity to serve the new building. If the engineer determines the existing well is not adequate to serve the new building a bulletin will be issued with a solution which could consist of upsizing the existing pump or drilling a new well.
b. Contractor shall provide alternate pricing for providing and installing a new well, pump, piping, pressure tank, and all associated accessories for the building
16. SHEET P-701 Add the following note:
“PROVIDE $40,000 ALLOWANCE FOR EQUIPMENT AND LABOR TO INSTALL WATER FILTER AND WATER SOFTENER.”
17. SHEET E-100 REISSUED 05/13/2026
a. Fixture Type LA: revise model and description as indicated.
b. Fixture Type LH: Delete Amerlux track head.
c. Fixture Type LJ has been changed to follow the requested 2700K color temp for exterior fixtures.
d. Fixture Type LK has been removed, and Fixture Type LA has taken its place as it better suits the needs of the Storage rooms.
e. Fixture Type LL: (4) Exterior Downlights have been given new product numbers to specify the requested 2700K color temp for Exterior Fixtures.
f. Delete Beghelli Exit Sign as it does not have spare battery capacity to drive the XB fixtures.
18. SHEET E-400
a. Change Type LK Fixtures to Type LA.
b. Change the (4) Exterior LG Downlights to Type LL
19. SHEET E-500 Added Key Notes #9, 10, REISSUED 05/13/2026
END OF ADDENDUM #1
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 00 01 10- 1
SECTION 00 01 10
TABLE OF CONTENTS
INTRODUCTORY INFORMATION
SECTION 00 01 10 TABLE OF CONTENTS
SECTION 00 01 15 LIST OF DRAWINGS
BIDDING REQUIREMENTS
SECTION 00 11 16 INVITATION TO BID
SECTION 00 21 13 INSTRUCTIONS TO BIDDERS
SECTION 00 21 14 STATEMENT OF NO BID
SECTION 00 31 32 GEOTECHNICAL DATA
SECTION 00 41 13 PROPOSAL FORM
SECTION 00 43 23 ALTERNATES
SECTION 00 43 24 AFFIDAVIT OF BIDDER – FAMILIAL RELATIONSHIPS FORM
SECTION 00 43 25 AFFIDAVIT OF BIDDER – COMPLIANCE WITH SCHOOL SAFETY INITIATIVE LEGISLATION
SECTION 00 43 26 AFFIDAVIT OF BIDDER – IRAN ECONOMIC SANCTIONS ACT (MICHIGAN PUBLIC ACT 517 OF 2012)
SECTION 00 52 23 AIA A101-2007 CONTRACT BETWEEN OWNER & CONTRACTOR
SECTION 00 52 24 AIA A101-2017 EXHIBIT A
SECTION 00 72 13 AIA A201-2007 GENERAL CONDITIONS OF THE CONTRACT
SECTION 00 73 13 GENERAL REQUIREMENTS
DIVISION 1 GENERAL REQUIREMENTS
SECTION 01 11 13 SUMMARY OF THE WORK
SECTION 01 22 00 UNIT PRICES
SECTION 01 23 00 ALTERNATES, “OR EQUAL” CLAUSE
SECTION 01 25 13 ALTERATION PROJECT PROCEDURES
SECTION 01 26 57 CHANGE ORDER PROCEDURES
SECTION 01 29 73 CONTRACT CONSIDERATIONS
SECTION 01 29 76 APPLICATIONS FOR PAYMENT
SECTION 01 31 13 COORDINATION AND MEETINGS
SECTION 01 32 16 PROGRESS SCHEDULE
SECTION 01 33 00 SUBMITTALS
SECTION 01 33 23 SHOP DRAWINGS, PRODUCT DATA AND SAMPLES
SECTION 01 50 00 TEMPORARY CONTROLS
SECTION 01 60 00 MATERIAL AND EQUIPMENT
SECTION 01 70 00 CONTRACT CLOSEOUT
SECTION 01 73 29 CUTTING AND PATCHING
DIVISION 2: EXISTING CONDITIONS
SECTION 02 41 19 – SELECTIVE DEMOLITION
DIVISION 3: CONCRETE
SECTION 03 20 00 CONCRETE REINFORCING
SECTION 03 30 00 CAST IN PLACE CONCRETE
SECTION 03 41 00 PRECASE STRUCTURAL CONCRETE
DIVISION 41: MASONRY
SECTION 04 20 00 UNIT MASONRY
SECTION 04 43 13 ADHERED STONE MASONRY VENEER
DIVISION 5: METALS
SECTION 05 05 00 METAL FABRICATIONS
SECTION 05 05 14 HOT DIP GALVANIZING GENERAL
SECTION 05 12 00 STRUCTURAL STEEL FRAMING
SECTION 00 01 10
TABLE OF CONTENTS
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 00 01 10- 2
DIVISION 6: WOOD, PLASTICS, AND COMPOSITES
SECTION 06 10 00 ROUGH CARPENTRY
SECTION 06 10 53 MISCELLOUS ROUGH CARPENTRY
SECTION 06 18 00 PREFABRICATED WOOD BEAMS AND JOISTS
SECTION 06 20 00 FINISH CARPENTRY
SECTION 06 41 16 PLASTIC-LAMINATE-CLAD ARCHITECTURAL CABINETS
DIVISION 7: THERMAL AND MOISTURE PROTECTION
SECTION 07 31 13 ASPHALT SHINGLES
SECTION 07 46 46 FIBER CEMENT SIDING, SOFFIT, AND TRIM
SECTION 07 60 00 FLASHING AND SHEET METAL
SECTION 07 96 00 JOINT SEALERS
DIVISION 8 DOORS AND WINDOWS
SECTION 08 01 13 STANDARD STEEL DOORS AND FRAMES
SECTION 08 14 16 FLUSH WOOD DOORS
SECTION 08 31 00 ACCESS DOORS AND PANELS
SECTION 08 41 00 ALUMINUM FRAME ENTRANCES
SECTION 08 42 00 ALUMINUM GLASS DOORS
SECTION 08 71 00 FINISH HARDWARE
SECTION 08 80 00 GLASS AND GLAZING
DIVISION 9 FINISHES
SECTION 09 21 16 GYPSUM BOARD
SECTION 09 65 13 RESILIENT TLE ACCESSORIES
SECTION 09 65 16 RESILIENT TLE FLOORING
SECTION 09 91 00 PAINTING
DIVISION 10 ACCESSORIES
SECTION 10 14 00 SIGNAGE
SECTION 10 28 13 TOILET ACCESSORIES
DIVISION 12 FURNISHING
DIVISION 21 - FIRE SUPPRESSION
SECTION 212200 CLEAN-AGENT FIRE-EXTINGUISHING SYSTEM
DIVISION 22 - PLUMBING
SECTION 220500 – COMMON WORK RESULTS FOR PLUMBING
SECTION 220523 GENERAL-DUTY VALVES FOR PLUMBING PIPING
SECTION 220529 HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT
SECTION 220553 IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT
SECTION 220700 PLUMBING INSULATION
SECTION 221005 PLUMBING PIPING
SECTION 221006 PLUMBING PIPING SPECIALTIES
SECTION 221123 DOMESTIC WATER PUMPS
SECTION 223000 PLUMBING EQUIPMENT
SECTION 224000 PLUMBING FIXTURES
DIVISION 23 - HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC)
SECTION 230500 COMMON WORK RESULTS FOR HVAC
SECTION 230516 EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING
SECTION 230519 METERS AND GAUGES FOR HVAC PIPING
SECTION 230523 GENERAL-DUTY VALVES FOR HVAC PIPING
SECTION 230529 HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 00 01 10- 3
SECTION 230553 IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT
SECTION 230593 TESTING, ADJUSTING, AND BALANCING FOR HVAC
SECTION 230700 HVAC INSULATION
SECTION 230800 COMMISSIONING OF HVAC
SECTION 230801 VERIFICATION AND TESTING OF HVAC, PLUMBING AND ELECTRICAL
SECTION 230913 INSTRUMENTATION AND CONTROL DEVICES FOR HVAC
SECTION 230923 DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC
SECTION 230993 – SEQUENCE OF OPERATIONS FOR HVAC CONTROLS
SECTION 231123 FACILITY NATURAL-GAS PIPING
SECTION 232113 HYDRONIC PIPING
SECTION 232114 HYDRONIC SPECIALTIES
SECTION 232123 HYDRONIC PUMPS
SECTION 232300 REFRIGERANT PIPING
SECTION 232500 HVAC WATER TREATMENT
SECTION 233100 HVAC DUCTS AND CASINGS
SECTION 233300 AIR DUCT ACCESSORIES
SECTION 233600 AIR TERMINAL UNITS
SECTION 233700 AIR OUTLETS AND INLETS
SECTION 235400 FURNACES
SECTION 235700 HEAT EXCHANGERS FOR HVAC
SECTION 236313 AIR COOLED REFRIGERANT CONDENSERS
SECTION 237416 PACKAGED ROOFTOP AIR-CONDITIONING UNITS
SECTION 238146 WATER-SOURCE UNITARY HEAT PUMPS
SECTION 238200 CONVECTION HEATING AND COOLING UNITS
SECTION 238300 RADIANT HEATING AND COOLING UNITS
DIVISION 26 - ELECTRICAL
SECTION 260010 BASIC ELECTRICAL REQUIREMENTS
SECTION 260500 COMMON WORK RESULTS FOR ELECTRICAL
SECTION 260519 LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES
SECTION 260526 GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS
SECTION 260529 HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS
SECTION 260533.13 CONDUIT FOR ELECTRICAL SYSTEMS
SECTION 260533.16 BOXES FOR ELECTRICAL SYSTEMS
SECTION 260553 IDENTIFICATION FOR ELECTRICAL SYSTEMS
SECTION 260583 WIRING CONNECTIONS
SECTION 260923 LIGHTING CONTROL DEVICES
SECTION 262100 LOW-VOLTAGE ELECTRICAL SERVICE ENTRANCE
SECTION 262416 PANELBOARDS
SECTION 262726 WIRING DEVICES
SECTION 262813 FUSES
SECTION 262816.16 ENCLOSED SWITCHES
SECTION 262923 VARIABLE-FREQUENCY MOTOR CONTROLLERS
SECTION 263213.13 DIESEL-ENGINE-DRIVEN GENERATOR SETS
SECTION 263623.16 AUTOMATIC/NONAUTOMATIC TRANSFER SWITCHES - SCHNEIDER ELECTRIC ASCO 300
SECTION 26430002 SURGE PROTECTIVE DEVICE
SECTION 265100 INTERIOR LIGHTING
SECTION 265600 EXTERIOR LIGHTING
DIVISION 28 - ELECTRONIC SAFETY AND SECURITY
SECTION 281000 ACCESS CONTROL
SECTION 284621.11 ADDRESSABLE FIRE-ALARM SYSTEMS
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 00 01 10- 4
DIVISION 32: EXTERIOR IMPROVEMENTS
SECTION 31 10 00 SITE CLERING
SECTION 31 20 00 EARTH MOVING
SECTION 31 21 00 EARTH WORK
SECTION 32 92 00 TURF AND GRASSES
SECTION 33 31 00 SANITARY SEWER SYSTEM
SECTION 33 32 00 GRINDER PUMP SYSTEM
END OF SECTION 00 01 10
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 00 41 13 - 1
SECTION 00 41 13
BID PROPOSAL FORM
BIDDERS NAME: _________________________________________________________
LEGAL ADDRESS: _________________________________________________________
TELEPHONE NO.: _________________________________________________________
FACSIMILE NO.: _________________________________________________________
EMAIL ADDRESS: _________________________________________________________
CONTACT NAME: _________________________________________________________
CONTACT MOBILE PHONE _________________________________________________________
PROPOSAL FOR: ALL TRADES CONSTRUCTION WORK
PROJECT NAME: GRATIOT-ISABELLA RESD
NEW NATURE CENTER
ROGER L. DONALDSON, AIA P.L.C.
PROJECT #24-43 - FOREST HILLS NATURE CENTER
11297 N. RICH RD
ALMA, MICHIGAN 48801
PROPOSAL
In response to your invitation to bid, the undersigned submits the following offer to enter into a contract with you and extends this offer for 90 calendar days subsequent to the opening of bids. This offer has been prepared after our examination of the complete plans and specifications, together with their related documents, and our examination of the site and conditions surrounding the construction of the proposed work including the availability of materials, equipment and labor. Included in this offer are all costs necessary to complete the
ALL CONSTRUCTION WORK in accordance with the contract documents prepared by Roger L. Donaldson, AIA P.L.C. within the time set forth herein for the sum of:
Bids Due – May 20, 2026 - 2:00 pm pm local time
GRATIOT-ISABELLA RESD – 1131 E. CENTER, ITHACA, MI 48847
ADDENDUM SCHEDULE:
The above proposed bids and schedule includes the following addenda:
No. 1 dated No. 2 dated
No. 3 dated No. 4 dated
BID PROPOSALS:
Contractor shall submit a separate Proposal Number for all Trades for that Project Work is to be performed. Contractor is not required to submit a proposal for each project.
PROJECT #24-43 - NEW NATURE CENTER
FOREST HILLS NATURE CENTER
Provide all work for New Nature Center and Demoltiono of 2 existing structures and related Work:
Dollars
(Amount shall be shown in both words and figures. In case of discrepancy, the amount shown in words will govern.)
The undersigned hereby agrees to complete the above buildings area work within calendar days.
SECTION 00 41 13
BID PROPOSAL FORM
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 00 41 13- 2
Alternates
ALTERNATE #1 PROJECT #24-43 - NEW NATURE CENTER
ALTERNATE #1 – ASPHALT SHINGLES
Provide Asphalt Shingles, and related work as shown, (Add/Deduct ) $
Dollars
(Amount shall be shown in both words and figures. In case of discrepancy, the amount shown in words will govern.)
If awarded this Alternate the undersigned hereby agrees to complete the work within (additional / decreased) calendar days, ALTERNATE #2 PROJECT #24-43 - NEW NATURE CENTER
ALTERNATE #2 – GEOTHERMAL SYSTEM
Provide all work for providing a Design/Build Geothermal System instead of Propane & Cooling Tower
(Add/Deduct ) $
Dollars
(Amount shall be shown in both words and figures. In case of discrepancy, the amount shown in words will govern.)
If awarded this Alternate the undersigned hereby agrees to complete the work within (additional / decreased) calendar days, ALTERNATE #3 PROJECT #24-43 - NEW NATURE CENTER
ALTERNATE #3– NEW WELL
Provide alternate pricing for providing and installing a new well, pump, piping, pressure tank, and all associated accessories for the building.
(Add/Deduct ) $
Dollars
(Amount shall be shown in both words and figures. In case of discrepancy, the amount shown in words will govern.)
If awarded this Alternate the undersigned hereby agrees to complete the work within (additional / decreased) calendar days, FORFEITURE OF BID SECURITY
If within the 90 days this offer is valid, a letter is sent notifying the undersigned of the acceptance of this proposal, the undersigned agrees to deliver within the 10 succeeding days surety bonds in the form specified or will forfeit the enclosed certified or cashier's check or bid bond which accompanies this proposal.
FEE FOR CHANGES IN THE WORK
The undersigned hereby agrees to perform all additional changes in the work ordered by the Owner on the basis of reasonable expenditures, plus reasonable allowance of said cost for overhead and profit. Cost shall be limited to the following: Cost of materials, including sales tax and cost of delivery; cost of labor, including social security, old age and unemployment insurance and fringe benefits required by agreement or custom; workers' or workmen's compensation insurance; bond premiums; rental value of equipment and machinery; and the additional costs of supervision and field office personnel directly attributable to the change.
The undersigned hereby agrees to charge the following fees, based on a mark-up percentage of the actual cost for overhead and profit combined, as stated hereinafter:
- For all additional work performed by the contractor's own forces, a fee of 5% percent of the actual cost as defined above.
- For all additional work subcontracted by the contractor, a fee of 5% percent of the subcontract sum for management, overhead and profit.
JOB CONTROL AND COORDINATION
If awarded the All Trades Construction Work Contract, the undersigned will assume control of the site and will coordinate the work of all the trades. All costs of controlling the site and coordinating the work of the subcontractors are included in this proposal.
SUBCONTRACTOR LISTING
The following is a list of the subcontractor(s) that will be performing work or manufacturer supplying material(s) on this project:
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 00 41 13- 3
Excavation ___________________________________________
Building Structures ___________________________________________
Concrete ___________________________________________
Mechanical ___________________________________________
Plumbing ___________________________________________
Electrical ___________________________________________
Fire Alarm ___________________________________________
REGULATORY REQUIREMENTS
It is the Contractor's responsibility to confirm that all subcontractors are properly licensed and that all necessary permits are obtained before starting work.
The Owner reserves the right to reject any subcontractor not considered competent to prosecute the work. The Owner representative (s) may request the removal of any contracted person who is deemed unfit to perform the specified work in a competent and professional manner.
The site will be available for the contractor will have full access to the building, 24 hours a day..
The contractor will take every precaution to minimize the migration of dust and debris and to minimize noise where possible. The corridors will remain free of stored materials and debris during business hours. The Contractor will remove all debris created by this contract from the premises at the end of each workday.
If awarded this Contract, the undersigned agrees to commence work immediately upon receipt of Notice to Proceed.
In submitting this Proposal, it is understood that the right is reserved by the Owner to reject any and all Proposals.
The Owner reserves the right to accept or reject all alternates or to accept any one or more alternates without accepting those remaining.
TIME OF COMPLETION
1. Completion in general is defined as all work required and included in the Bid Documents, Specifications, Drawings, Federal and State Regulations, including clean-up, restoration, acceptable visual inspections, completion of change orders approved by the Owner, Architect and Contractor and do not add days to the construction calendar.
2. The Contractor agrees that by submitting a Bid, for base bid, to complete the project within the stipulated number of day to complete using regular and premium work hours as required to complete the project.
3. Contractor realizes he may need to work multiple shifts, weekends and holidays. Any premium wages are included in his Bid.
4. Days are noted as calendar days.
5. The Contractor has full access to the site during all hours.
SIGNATURE
The bidder declares the following legal status in submitting this proposal: (check one)
( ) A Corporation (INC or LLC) organized and existing under the laws of the state of Michigan, ( ) A Partnership, ( ) An Individual doing business as .
Respectfully submitted, By:
Title:
Date:
Fed. Employer Identification No.:
State License No.:
END OF SECTION 00 41 13
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 00 41 13- 4
Gratiot-Isabella RESD
New Nature Center - Forestr Hills Nature Center
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 03 35 43- 1
SECTION 03 35 43
POLISHED CONCRETE FINISHING
PART 1 GENERAL
1. 1 SUMMARY
A. This section includes the following.
1. Polished concrete
B. Related Work:
1. Section 03 30 00 Cast-In-Place Concrete
1.2 REFERENCES
A. American Society for Testing and Materials:
1. ASTM-C779, Standard Test Method for Abrasion Resistance of
Horizontal Concrete Surfaces
2. ASTM G23-81, Ultraviolet Light & Water Spray
3. ASTM C805, Impact Strength
4. ASTM E1155-14, Standard Test Method for Determining FF Floor Flatness and FL Floor Levelness
Numbers
B. American Concrete Institute
1. ACI 302. 1R-89, Guide for Concrete Floor and Slab Construction
C. Other Test:
1. Reflectivity
1.3 SUBMITTALS
A. Comply with pertinent provisions of Section 01 60 00- Product
Requirements.
1. Provide submittal information within 35 calendar days after the contractor has received the owner's notice to proceed.
B. Product data:
1. Submit special concrete finishes manufacturer's specifications and test data.
2. Submit special concrete finishes describing product to be provided, giving manufacturer’s name and product name for the specified material proposed to be provided under this section.
3. Submit special concrete finishes manufacturer's recommended installation procedures, which when approved by the Architect, will become the basis for accepting or rejecting actual installation procedures used on the work.
4. Submit special concrete finishes manufacturer’s Material Safety Data Sheet (MSDS) and other safety requirements.
1.4 QUALITY ASSURANCE
A. Installer Qualifications:
1. Minimum of 5 years’ experience performing work of this section on projects similar to scope and requirements of this project.
B. Manufacturer’s Certification:
1. Provide letter of certification signed by manufacturer declaring installer is certified applicator of special concrete finish and is familiar with proper procedures and installation requirements required by the manufacturer.
C. Mock-ups:
1. Apply mock-ups of each type finish, to demonstrate typical joints, surface finish, color variation and standard of workmanship.
SECTION 03 35 50
POLISHED CONCRETE FINISHING
Gratiot-Isabella RESD
New Nature Center - Forestr Hills Nature Center
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 03 35 43- 2
a. Build mock-ups 50 square feet minimum in the location indicated or if not indicated, as directed by the Architect or Owner Representative.
b. Notify Architect or Owner Representative seven days in advance of dates and times when mock-ups will be constructed.
c. Obtain from the Architect or Owner Representative approval of mock-ups before starting construction.
d. Maintain mock-ups during construction in an undisturbed condition as a standard for judging the completed work.
e. Approved mock-ups may become part of the completed work if undisturbed at time of substantial completion.
D. Protection
1. No satisfactory chemical or cleaning procedure is available to remove petroleum stains from the concrete surface. Prevention is therefore essential.
a. All hydraulic powered equipment must be diapered to avoid staining of the concrete.
b. No trade will park vehicles on the inside slab. If necessary to complete their scope of work, drop cloths will be placed under vehicles at all times.
c. No pipe cutting machine will be used on the inside floor slab.
d. Steel will not be placed on interior slab to avoid rust staining.
e. Acids and acidic detergents will not come into contact with slab.
f. All trades informed that the slab must be protected at all times.
E. Pre-Installation Conference:
1. Conduct conference at project site to review requirements, conditions and schedule.
2. Attendees
Architect
General Contractor/Construction Manager
Concrete Placement Contractor
Finishing Applicator
Product Manufacturer
1.5 DELIVERY, STORAGE AND HANDLING
A. Deliver materials in original containers, with seal’s unbroken, bearing manufacturer labels indicating brand name and directions for storage.
B. Dispense special concrete finish material from factory numbered and sealed containers. Maintain record of container numbers.
1.6 PROJECT CONDITIONS
A. Comply with manufacturer’s written instructions for substrate temperature and moisture content, ambient temperature and humidity, ventilation, and other conditions affecting topping performance.
B. Concrete Floor Flatness rating minimum: Ff 40
C. Concrete Floor Levelness rating minimum: Fl 30
D. Concrete must be cured a minimum of 45 days before application.
E. Apply prior to installation of walls and equipment, thus providing a complete, uninhibited concrete slab for application.
F. Close areas to traffic during floor application and after for 24 hours.
1.7 WARRANTY
A. Submit for owner’s acceptance, manufacturer’s standard 10 year Warranty document executed by authorized company official.
PART 2 – PRODUCTS
2.1 GENERAL
Gratiot-Isabella RESD
New Nature Center - Forestr Hills Nature Center
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 03 35 43- 3
A. All materials used shall be from same single source manufacturer
2.2 FINAL FINISH as defined by Concrete Polishing Council. Depth of Grind (acceptable range of each value is plus or minus 5%)
Class B – Fine Aggregate: 90%; coarse aggregate 10% “Salt&Pepper”
A. DISTINCTNESS-OF-IMAGE (DOI) GLOSS
Level 3 – Polished; “800 to 1500 grit polish”, DOI: 40-69%
2.3 CONCRETE DENSIFIER
A. Penetrating proprietary solution of Sodium Silicate that densifies, hardens and dustproofs concrete surface
1. Odorless, inorganic water based and VOC compliant chemical.
2. Subject to compliance with requirements, provide
a. Curecrete, Inc, Retro-Plate 99
b. Local contact: Jeff Burgy 248-259-2173 JeffBurgy@specifiedfinishes.com
2.4 RELATED MATERIALS
A. Surface Colorant (not used)
1. Color: Natural
B. Joint Filler: Semi-rigid, 2 component, self-leveling, 100% solids polyuria
1. 85 Durometer Shore A hardness.
2. Color as selected by Architect from manufacturers full range.
3. Approved products
a. Curecrete CreteFill Pro 85 Joint Filler
B. Water: Potable
C. Neutralizing Agent: Tri-sodium Phosphate
D. Penetrating, invisible, topical repellent/sealer: RetroPel E. Cleaning Solution: CreteClean Plus with ScarGuard
PART 3- EXECUTION
3.1 SURFACE CONDITIONS:
A. Examine substrate for conditions affecting performance of finish. Do not proceed until unsatisfactory conditions are corrected.
B. Verify concrete has cured a minimum of 45 days and has reached 3500 psi
C. Verify that base slab meets finish and surface profile requirements in Division 3 Section “Cast-In-Place
Concrete,” and Project Conditions above. Including floor flatness and levelness
D. Verify that floor surfaces are free of construction latents.
3.2 APPLICATION
A. Comply with manufacturer's installation instructions
1. Provide polished concrete floor treatment in entirety of slab indicated by drawings. Provide consistent finish in all contiguous areas.
2. Apply floor finish prior to installation of fixtures and accessories.
B. Floor Surface Grinding and Treatment:
1. Diamond grind concrete floor surfaces with power disc machine recommended by floor finish manufacturer
2. Installer to determine the optimum starting grit in order to achieve the specified aggregate exposure.
3. Sequence from coarse to fine grit.
4. Comply with manufacturer's recommended polishing grits for each sequence to achieve desired finish level.
5. Expose aggregate in concrete surface as determined by approved mock-up.
6. Apply joint and chip filler to match sample
Gratiot-Isabella RESD
New Nature Center - Forestr Hills Nature Center
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 03 35 43- 4
C. Apply concrete densifier/hardener
1. Follow manufacturer’s instructions
2. Clean surface thoroughly
3. Apply flood coat of liquid densifier to point of rejection, approximately 200 Sq. Ft. per gallon
4. Allow to dwell on surface for minimum of 30 minutes and until material begins to jell. Keep hydrated with water mist if necessary
5. Remove all densifier and scrub clean.
6. Allow to dry.
D. Floor Surface Polishing
1. Diamond polish concrete floor surfaces with power disc machine.
2. Finish edges to match field areas
3. Comply with manufacturer's recommended polishing grits for each sequence to achieve desired finish level.
4. Floor shall be thoroughly cleaned between each grit pass to remove all loose material.
5. Level of sheen shall match that of approved mock-up.
E. Repair any defects and re-polish to match sample.
3.3 TOPICAL SEALERS
A. Topical water and stain repellent
1. Floor surface must be clean and dry.
2. Liberally apply, approximately 600 Sq. Ft. per gallon, in an even coat with brush or roller.
3. Allow to soak into floor until saturated.
4. If first application is absorbed in less than 10 minutes apply second coat wet-on-wet.
5. All material must be absorbed, do not leave residue on floor.
6. Do not traffic for at least 4 hours. Full cure is achieved in 72 hours.
3.4 FINAL CLEANING:
A. Remove surplus materials, rubbish, tools and equipment.
B. Scrub area clean using power machine and cleaner recommended by the densifying material manufacturer
3.4 PROTECTION:
A. Cover and protect finished work in accordance with manufacturer’s recommendations.
END OF SECTION 03 35 43
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 07 41 13- 1
SECTION 07 41 13
STANDING-SEAM METAL ROOF PANELS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Section includes standing-seam metal roof panels.
1.3 PREINSTALLATION MEETINGS
A. Preinstallation Conference: Conduct conference at Project site .
1. Meet with Owner, Architect, Owner's insurer if applicable, metal panel Installer, metal panel manufacturer's representative, structural-support Installer, and installers whose work interfaces with or affects metal panels, including installers of roof accessories and roof-mounted equipment.
2. Review and finalize construction schedule and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.
3. Review methods and procedures related to metal panel installation, including manufacturer's written instructions.
4. Examine support conditions for compliance with requirements, including alignment between and attachment to structural members.
5. Review flashings, special details, drainage, penetrations, equipment curbs, and condition of other construction that affect metal panels.
6. Review governing regulations and requirements for insurance, certificates, and tests and inspections if applicable.
7. Review temporary protection requirements for metal panel systems during and after installation.
8. Review procedures for repair of metal panels damaged after installation.
9. Document proceedings, including corrective measures and actions required, and furnish copy of record to each participant.
1.4 ACTION SUBMITTALS
A. Product Data: For each type of product.
1. Include construction details, material descriptions, dimensions of individual components and profiles, and finishes for each type of panel and accessory.
B. Shop Drawings:
SECTION 07 41 13
STANDING-SEAM METAL ROOF PANELS
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 07 41 13- 2
1. Include fabrication and installation layouts of metal panels; details of edge conditions, joints, panel profiles, corners, anchorages, attachment system, trim, flashings, closures, and accessories; and special details.
2. Accessories: Include details of the flashing, trim, and anchorage systems, at a scale of not less than 1-1/2 inches per 12 inches (1:10).
C. Samples for Initial Selection: For each type of metal panel indicated with factory-applied color finishes.
1. Include similar Samples of trim and accessories involving color selection.
1.5 INFORMATIONAL SUBMITTALS
A. Qualification Data: For Installer.
B. Product Test Reports: For each product, for tests performed by a qualified testing agency.
C. Field quality-control reports.
D. Sample Warranties: For special warranties.
1.6 CLOSEOUT SUBMITTALS
A. Maintenance Data: For metal panels to include in maintenance manuals.
1.7 QUALITY ASSURANCE
A. Installer Qualifications: An entity that employs installers and supervisors who are trained and approved by manufacturer.
B. UL-Certified, Portable Roll-Forming Equipment: UL-certified, portable roll-forming equipment capable of producing metal panels warranted by manufacturer to be the same as factory-formed products. Maintain UL certification of portable roll-forming equipment for duration of work.
1.8 DELIVERY, STORAGE, AND HANDLING
A. Deliver components, metal panels, and other manufactured items so as not to be damaged or deformed. Package metal panels for protection during transportation and handling.
B. Unload, store, and erect metal panels in a manner to prevent bending, warping, twisting, and surface damage.
C. Stack metal panels horizontally on platforms or pallets, covered with suitable weathertight and ventilated covering. Store metal panels to ensure dryness, with positive slope for drainage of water. Do not store metal panels in contact with other materials that might cause staining, denting, or other surface damage.
D. Retain strippable protective covering on metal panels during installation.
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 07 41 13- 3
1.9 FIELD CONDITIONS
A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit assembly of metal panels to be performed according to manufacturers' written instructions and warranty requirements.
1.10 COORDINATION
A. Coordinate sizes and locations of roof curbs, equipment supports, and roof penetrations with actual equipment provided.
B. Coordinate metal panel installation with rain drainage work, flashing, trim, construction of soffits, and other adjoining work to provide a leakproof, secure, and noncorrosive installation.
1.11 WARRANTY
A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of metal panel systems that fail in materials or workmanship within specified warranty period.
1. Failures include, but are not limited to, the following:
a. Structural failures including rupturing, cracking, or puncturing.
b. Deterioration of metals and other materials beyond normal weathering.
2. Warranty Period: Two years from date of Substantial Completion.
B. Special Warranty on Panel Finishes: Manufacturer's standard form in which manufacturer agrees to repair finish or replace metal panels that show evidence of deterioration of factory-applied finishes within specified warranty period.
1. Exposed Panel Finish: Deterioration includes, but is not limited to, the following:
a. Color fading more than 5 Hunter units when tested according to ASTM D 2244.
b. Chalking in excess of a No. 8 rating when tested according to ASTM D 4214.
c. Cracking, checking, peeling, or failure of paint to adhere to bare metal.
2. Finish Warranty Period: 30 years from date of Substantial Completion.
PART 2 - PRODUCTS
2.1 PERFORMANCE REQUIREMENTS
A. Structural Performance: Provide metal panel systems capable of withstanding the effects of the following loads, based on testing according to ASTM E 1592:
1. Wind Loads: 120 mph.
2. Other Design Loads: Ground Snow Loading – 35 psf.
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 07 41 13- 4
B. Wind-Uplift Resistance: Provide metal roof panel assemblies that comply with UL 580 for wind-uplift-resistance class indicated.
1. Uplift Rating: UL 90.
C. FM Global Listing: Provide metal roof panels and component materials that comply with requirements in FM Global 4471 as part of a panel roofing system and that are listed in FM
Global's "Approval Guide" for Class 1 or noncombustible construction, as applicable. Identify materials with FM Global markings.
1. Fire/Windstorm Classification: Class 1A- 120 .
2. Hail Resistance: SH.
D. Thermal Movements: Allow for thermal movements from ambient and surface temperature changes by preventing buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects. Base calculations on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss.
2.2 STANDING-SEAM METAL ROOF PANELS
A. General: Provide factory-formed metal roof panels designed to be installed by lapping and interconnecting raised side edges of adjacent panels with joint type indicated and mechanically attaching panels to supports using concealed clips in side laps. Include clips, cleats, pressure plates, and accessories required for weathertight installation.
1. Steel Panel Systems: Unless more stringent requirements are indicated, comply with
ASTM E 1514.
B. Clipless, Integral-Standing-Seam Metal Roof Panels Elevate (Firestone) Una-Clad UC-4:
Formed with integral ribs at panel edges and intermediate stiffening flat (2) ribs symmetrically spaced between ribs; designed for sequential installation by mechanically attaching panels to supports using screw fasteners located under concealed side of panels and lapping and interconnecting side edges of adjacent panels.
1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
a. Elevate (Firestone Building Products), Una-Clad UC-4, or approved equal
b. AEP Span; A BlueScope Steel Company.
c. Architectural Building Components.
d. CENTRIA Architectural Systems.
e. Fabral.
2. Metallic-Coated Steel Sheet: Zinc-coated galvanized steel sheet complying with
ASTM A 653/A 653M, G90 coating designation, or aluminum-zinc alloy-coated steel sheet complying with ASTM A 792/A 792M, Class AZ50 coating designation; structural quality. Prepainted by the coil-coating process to comply with ASTM A 755/A 755M.
a. Nominal Thickness: 24 gage (0.64mm)
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 07 41 13- 5
b. Exterior Finish: Kynar 500
c. Color: As selected by Owner from Standard Color.
3. Panel Coverage: 18 inches (457 mm) .
4. Panel Height: 1.5 inches (38 mm)
2.3 UNDERLAYMENT MATERIALS
A. Self-Adhering, High-Temperature Underlayment: Provide self-adhering, cold-applied, sheet underlayment, a minimum of 30 mils (0.76 mm) thick, consisting of slip-resistant, polyethylene-film top surface laminated to a layer of butyl or SBS-modified asphalt adhesive, with release-paper backing. Provide primer when recommended by underlayment manufacturer.
1. Thermal Stability: Stable after testing at 240 deg F (116 deg C); ASTM D 1970.
2. Low-Temperature Flexibility: Passes after testing at minus 20 deg F (29 deg C);
ASTM D 1970.
3. Provide Underlayment as recommended by Manufacturer.
2.4 MISCELLANEOUS MATERIALS
A. Miscellaneous Metal Subframing and Furring: ASTM C 645; cold-formed, metallic-coated steel sheet, ASTM A 653/A 653M, G90 (Z275 hot-dip galvanized) coating designation or
ASTM A 792/A 792M, Class AZ50 (Class AZM150) coating designation unless otherwise indicated. Provide manufacturer's standard sections as required for support and alignment of metal panel system.
B. Panel Accessories: Provide components required for a complete, weathertight panel system including trim, copings, fasciae, mullions, sills, corner units, clips, flashings, sealants, gaskets, fillers, closure strips, and similar items. Match material and finish of metal panels unless otherwise indicated.
1. Closures: Provide closures at eaves and ridges, fabricated of same metal as metal panels.
2. Backing Plates: Provide metal backing plates at panel end splices, fabricated from material recommended by manufacturer.
3. Closure Strips: Closed-cell, expanded, cellular, rubber or crosslinked, polyolefin-foam or closed-cell laminated polyethylene; minimum 1-inch- (25-mm-) thick, flexible closure strips; cut or premolded to match metal panel profile. Provide closure strips where indicated or necessary to ensure weathertight construction.
C. Flashing and Trim: Provide flashing and trim formed from same material as metal panels as required to seal against weather and to provide finished appearance. Locations include, but are not limited to, eaves, rakes, corners, bases, framed openings, ridges, fasciae, and fillers. Finish flashing and trim with same finish system as adjacent metal panels.
D. Gutters: Formed from same material as roof panels, complete with end pieces, outlet tubes, and other special pieces as required. Fabricate in minimum 12’-0” long sections, of size and metal thickness according to SMACNA's "Architectural Sheet Metal Manual." Furnish gutter supports spaced a maximum of 30 inches (761 mm) o.c., fabricated from same metal as gutters. Provide wire ball strainers of compatible metal at outlets. Finish gutters to match metal roof panels.
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 07 41 13- 6
1. Gutters to be Elevate (Firestone)/Metal-Era Industrial Gutter System, FS-1 Version or approved equal.
E. Downspouts: Formed from same material as roof panels. Fabricate in 12-foot-long sections, complete with formed elbows and offsets, of size and metal thickness according to SMACNA's
"Architectural Sheet Metal Manual." Finish downspouts to match gutters.
1. Elevate (Firestone)/Metal-Era Closed Face Gutter
F. Panel Fasteners: Self-tapping screws designed to withstand design loads.
G. Panel Sealants: Provide sealant type recommended by manufacturer that are compatible with panel materials, are nonstaining, and do not damage panel finish.
1. Sealant Tape: Pressure-sensitive, 100 percent solids, gray polyisobutylene compound sealant tape with release-paper backing. Provide permanently elastic, nonsag, nontoxic, nonstaining tape 1/2 inch (13 mm) wide and 1/8 inch (3 mm) thick.
2. Joint Sealant: ASTM C 920; elastomeric polyurethane or silicone sealant; of type, grade, class, and use classifications required to seal joints in metal panels and remain weathertight; and as recommended in writing by metal panel manufacturer.
3. Butyl-Rubber-Based, Solvent-Release Sealant: ASTM C 1311.
2.5 FABRICATION
A. General: Fabricate and finish metal panels and accessories at the factory, by manufacturer's standard procedures and processes, as necessary to fulfill indicated performance requirements demonstrated by laboratory testing. Comply with indicated profiles and with dimensional and structural requirements.
B. Provide panel profile, including major ribs and intermediate stiffening ribs, if any, for full length of panel.
C. Fabricate metal panel joints with factory-installed captive gaskets or separator strips that provide a weathertight seal and prevent metal-to-metal contact, and that minimize noise from movements.
D. Sheet Metal Flashing and Trim: Fabricate flashing and trim to comply with manufacturer's recommendations and recommendations in SMACNA's "Architectural Sheet Metal Manual" that apply to design, dimensions, metal, and other characteristics of item indicated.
1. Form exposed sheet metal accessories that are without excessive oil canning, buckling, and tool marks and that are true to line and levels indicated, with exposed edges folded back to form hems.
2. Seams for Other Than Aluminum: Fabricate nonmoving seams in accessories with flat-lock seams. Tin edges to be seamed, form seams, and solder.
3. Sealed Joints: Form nonexpansion, but movable, joints in metal to accommodate sealant and to comply with SMACNA standards.
4. Conceal fasteners and expansion provisions where possible. Exposed fasteners are not allowed on faces of accessories exposed to view.
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 07 41 13- 7
5. Fabricate cleats and attachment devices from same material as accessory being anchored or from compatible, noncorrosive metal recommended in writing by metal panel manufacturer.
a. Size: As recommended by SMACNA's "Architectural Sheet Metal Manual" or metal panel manufacturer for application, but not less than thickness of metal being secured.
2.6 FINISHES
A. Protect mechanical and painted finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.
B. Appearance of Finished Work: Variations in appearance of abutting or adjacent pieces are acceptable if they are within one-half of the range of approved Samples. Noticeable variations in same piece are unacceptable. Variations in appearance of other components are acceptable if they are within the range of approved Samples and are assembled or installed to minimize contrast.
C. Steel Panels and Accessories:
1. Two-Coat Fluoropolymer: AAMA 621. Fluoropolymer finish containing not less than 70 percent PVDF resin by weight in color coat. Prepare, pretreat, and apply coating to exposed metal surfaces to comply with coating and resin manufacturers' written instructions.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances, metal panel supports, and other conditions affecting performance of the Work.
1. Examine primary and secondary roof framing to verify that rafters, purlins, angles, channels, and other structural panel support members and anchorages have been installed within alignment tolerances required by metal roof panel manufacturer.
2. Examine solid roof sheathing to verify that sheathing joints are supported by framing or blocking and that installation is within flatness tolerances required by metal roof panel manufacturer.
a. Verify that air- or water-resistive barriers have been installed over sheathing or backing substrate to prevent air infiltration or water penetration.
B. Examine roughing-in for components and systems penetrating metal panels to verify actual locations of penetrations relative to seam locations of metal panels before installation.
C. Proceed with installation only after unsatisfactory conditions have been corrected.
GRATIOT-ISABELLA RESD
NEW NATURE CENTER - FOREST HILLS NATURE CENTER
ROGER L DONALDSON, AIA P.L.C.
PROJECT #24-43 07 41 13- 8
3.2 UNDERLAYMENT INSTALLATION
A. Self-Adhering Sheet Underlayment: Apply primer if required by manufacturer. Comply with temperature restrictions of underlayment manufacturer for installation. Apply at locations indicated below on Drawings, wrinkle free, in shingle fashion to shed water, and with end laps of not less than 6 inches (152 mm) staggered 24 inches (610 mm) between courses. Overlap side edges not less than 3-1/2 inches (90 mm). Extend underlayment into gutter trough. Roll laps with roller. Cover underlayment within 14 days.
1. Apply over the entire roof surface.
B. Flashings: Install flashings to cover underlayment to comply with requirements specified in
Section 07 60 00 "Sheet Metal Flashing and Trim."
3.3 METAL PANEL INSTALLATION
A. General: Install metal panels according to manufacturer's written instructions in orientation, sizes, and locations indicated. Install panels perpendicular to supports unless otherwise indicated. Anchor metal panels and other components of the Work securely in place, with provisions for thermal and structural movement.
1. Shim or otherwise plumb substrates receiving metal panels.
2. Flash and seal metal panels at perimeter of all openings. Fasten with self-tapping screws.
Do not begin installation until air- or water-resistive barriers and flashings that will be concealed by metal panels are installed.
3. Install screw fasteners in predrilled holes.
4. Locate and space fastenings in uniform vertical and horizontal alignment.
5. Install flashing and trim as metal panel work proceeds.
6. Locate panel splices over, but not attached to, structural supports. Stagger panel splices and end laps to avoid a four-panel lap splice condition.
7. Align bottoms of metal panels and fasten with blind rivets, bolts, or self-tapping screws.
Fasten flashings and trim around openings and similar elements with self-tapping…
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