J2 Project Specifications.pdf

Seagull Office HVAC 2023

SUPERIOR NATIONAL FOREST

COOK COUNTY, MINNESOTA

Scope of Contract:

Provide construction services for the Seagull Office HVAC at the Gunflint Ranger District

Seagull Guard Station of the Superior National Forest located at 11456 Gunflint Trail, Grand

Marais, MN 55604. The project consists of installing mini split Air Conditioner with heat pump, Condenser and all accessories and labor needed to provide a turn key functional mini split system as detailed in the specifications.

Specifications:

Applicable Codes

All work in this contract shall be done in accordance with the following:

1. National Fire Protection Association (NFPA)

2. OSHA – Occupational Safety and Health Act

3. IBC 2018 – International Building Codes 2018 Edition

4. NEC 2017 – National Electric Code 2017 Edition

5. IMC 2018 – International Mechanical Code 2018 Edition

6. All local safety and fire regulations

7. All manufacturer installation instructions.

8. All other codes and standards referenced in the specifications.

Verification of Dimensions

The contractor shall be responsible for the conditions and proper relation of their work to the site conditions and will familiarize themselves with all details of the work and working conditions. The contractor shall verify all dimensions in the field and generate their own quantities for work provided. Any and all incidental items not specifically listed in this contract are to be included in the bid to provide to the government a finished operating end product.

Permits

There are no permits required by this contract.

All mechanical work to be performed by a Mechanical Contractor.

Submittals

Within 14 days of the notice to proceed and at least 5 days prior to the beginning of the contract, the contractor shall submit for approval in writing to the contracting officer:

1. Proposed Schedule of Work

2. Subcontractors to be used

3. Certificate of Liability Insurance

Prior to commencing work on any line item, the contractor shall submit for approval to the CO submittals for all items listed below. The Forest Service shall be given a minimum of 5 business days for decision on submittals.

Wages

Contractor is to pay applicable Davis-Bacon Wages in accordance with all Department of Labor regulations, which are attached. This includes providing certified payrolls to the

CO.

General Specifications

PART 1 - GENERAL

A. Summary

1. Section includes:

a. General Mechanical Requirements for entire contract.

b. Furnishing and installing of first-class working systems, tested and ready for operation complete with labor, materials, apparatus, transportation, tools, equipment and accessories required for the installation in conformity with the

Drawings, the Specifications and other Contract Documents, incorporating the finest standards of workmanship. All materials shall be new and of the highest quality and all labor shall be performed by skilled mechanics under the direction of a competent on-site Superintendent.

B. References: The following listed references shall govern the furnishing and installing of all

Division 15 materials (with the applicable standard revision) being the one enforced by the local code officials relative to the project:

1. ANSI/ASME - Boiler and Pressure Vessel Code.

2. ANSI/ASME - B16.3 - Malleable Iron Threaded Fittings, Class 150 and 300.

3. ANSI/ASME B16.18 - Cast Copper Alloy Solder - Joint Pressure Fittings.

4. ANSI/ASME B16.22 - Wrought Iron and Copper Alloy Solder Joint Pressure Fittings.

5. ANSI/ASME B31.1 - Code for Power Piping.

6. ANSI/ASME B31.9 - Building Services Piping.

7. ANSI/ASME B36.10 - Welded and Seamless Wrought Steel Pipe.

8. ANSI/ASTM A135 - Electric-Resistance-welded Steel Pipe.

9. ANSI/ASTM A525 - General Requirements for Steel Sheet, Zinc-coated (Galvanized) by the Hot-dip Process.

10. ANSI/ASTM D2466 - Polyvinyl Chloride (PVC) Plastic Pipe Fittings, Schedule 40.

11. ANSI/AGA Z21.13 - Gas-fired Low Pressure Steam and Hot Water Boilers.

12. ANSI/AGA Z223.1 - National Fuel Gas Code.

13. ANSI/NFPA 54 - National Fuel Gas Code.

14. ANSI/NFPA 70 - National Electrical Code.

15. ANSI A112.18.1 - Finished and Rough Brass Plumbing Fixture Fittings.

16. ANSI A112.19.1 - Enameled Cast Iron Plumbing Fixtures.

17. ANSI A112.19.2 - Vitreous China Plumbing Fixtures.

18. ASTM A53 - Pipe, Steel, Black and Hot-Dipped Zinc-coated Welded and Seamless.

19. ASTM A74 - Cast Iron Soil Pipe and Fittings.

20. ASTM A120 - Pipe, Steel, Black and Hot-Dipped Zinc-coated (Galvanized), Welded and

Seamless for Ordinary Uses.

21. ASTM B75 - Seamless Copper Tube.

22. ASTM B88 - Seamless Copper Water Tube.

23. ASTM B306 - Copper Drainage Tube (DWV).

24. ASTM B251 - General Requirements for Wrought Seamless Copper and Copper-Alloy

Tube.

25. ASTM C564 - Rubber Gaskets for Cast Iron Soil Pipe and Fittings.

26. ASTM C449 - Mineral Fiber Hydraulic-setting Thermal Insulating and Finishing Cement.

27. ASTM C610 - Expanded Perlite Block and Pipe Thermal Insulation.

28. ASTM D1785 – Polyvinyl Chloride (PVC) Plastic Pipe, Schedules 40, 80 and 120.

29. ASTM D2241 - Polyvinyl Chloride (PVC) Plastic Pipe (SDR-PR).

30. ASTM D2729 - Polyvinyl Chloride (PVC) Sewer Pipe and Fittings.

31. ADC 1062 - Certification, Rating and Test Manual.

32. AMCA 210 - Laboratory Methods of Testing Fans for Rating Purposes.

33. AMCA 300 - Test Code for Sound Rating Air Moving Devices.

34. AMCA 301 - Method of Publishing Sound Ratings for Air Moving Devices.

35. AMCA 500 - Test Methods for Louvers, Dampers, and Shutters.

36. ANSI/ASHRAE 15 - Safety Code for Mechanical Refrigeration.

37. ANSI/UL 900 - Test Performance of Air Filter Units.

38. ARI 410 - Forced-Circulation Air-Cooling and Air-Heating Coils.

39. ARI 430 - Standard for Central-Station Air-Handling Units.

40. ARI 35 - Standard for Application of Central-Station Air Handling Units.

41. SMACNA - HVAC Duct Construction Standards - Metal and Flexible.

42. UL 103 - Standard for Factory-Built Low Heat Chimneys.

C. Definitions

1. "Furnish" or "provide" - to furnish, erect, install and connect up complete and ready for regular operation, particular work referred to, unless specifically indicated or specified otherwise.

2. "Work" - all labor, materials, equipment, apparatus, controls, accessories and other items necessary or required to provide a complete installation.

3. "Piping" - Pipe and Fittings, flanges, valves, controls, hangers, traps, drains, insulation and items necessary or required in connection with or relating to such piping to provide a complete installation.

4. "Concealed" - Embedded in masonry or other construction, installed behind wall furring, within double partitions or hung ceiling, in trenches, tunnels or crawl spaces.

5. "Exposed" - Not installed underground or "Concealed" as defined above.

6. "Indicated" or "Shown" - as indicated or shown on Drawings.

7. "Noted" - as indicated on Drawings and/or specified.

8. "Contract" or "this Contract" shall consist of all documents listed in the Contact

Agreement and any and all Supplemental Agreements, data or drawings which could reasonable be required and referred to collectively as the "Contract Drawings."

9. "Contractor" shall mean the person, firm or corporation to whom the contract is awarded by the Owner and who is subject to the terms of these Specifications.

10. Whenever the words "As shown" or "indicated" are used in the description of any part of the work, it shall be understood to mean as shown on the Contract Drawings, unless another meaning is plainly indicated or noted.

D. Submittals

1. Contract Closeout Submittals:

a. Operating Instructions: The Mechanical Contractor shall carefully inform and instruct the Owner during the installation and commissioning of the equipment for such a length of time as may be necessary to thoroughly familiarize him with the proper care, operation and maintenance of the equipment.

b. Operating and Maintenance Manuals: Two (2) sets of Operating and

Maintenance Manuals shall be furnished to the Owner upon completion of the project. Each set is to include the following:

1. Manufacturer's parts list identified with the make, model, and serial number of the equipment furnished.

2. Schematic control, flow and wiring diagrams identifying the location and function of all system components, valves and controls.

3. Installation, operation, lubrication, settings as installed, and maintenance instructions.

4. Manufacturer's recommended spare parts list.

5. Test data and performance curves where applicable.

Manuals shall incorporate design basis, drawings, flow diagrams, brochures and operating instructions in sufficient detail to enable operators to understand the equipment or system, its potentialities, limitations and maintenance needs. Data on design, construction, installation and operating features required by regulations of state or local governing agencies shall be included.

E. Quality Assurance

F. Project / Site Conditions

1. Existing Conditions:

a. Before submitting Proposals for the work, each Bidder will be held to have examined the premises and satisfied themselves as to the existing conditions under which they will be obliged to operate or what will in any way effect the work under this Contract. No allowance will be made subsequently in this connection in behalf of this Contractor for an error or negligence on his part.

b. Work in existing building must be scheduled during times when the building is occupied. All systems serving the existing building(s) must be kept operative at all times.

c. All fixtures, equipment, piping, etc. that are removed and not indicated "to be relocated" are to become property of the Contractor and shall be removed from the building site.

d. Piping not required to maintain an operating system shall be removed.

e. This Contractor shall ascertain from their examination building and drawings whether any special temporary openings in the building for the admission of apparatus furnished under this Contract will be necessary and they shall notify the Architect/Engineer accordingly. They shall pay the cost of making such openings in the case of failure to give this notification in sufficient time for the

Architect/Engineer to arrange for same during construction.

PART 3 - EXECUTION

A. Preparation

1. Protection:

a. All work, fixtures, equipment and materials shall be protected at all times. The

Contractor shall make good all damage caused, whether directly or indirectly, by his workmen. All pipe and duct openings shall be closed with caps and plugs during installation. All fixtures and equipment shall be tightly covered and protected against dirt, water, chemical or mechanical injury.

2. Surface Preparation:

a. All exposed piping and ductwork shall be completely installed and painted at the cost of the Mechanical Contractor.

b. The Mechanical Contractor shall be responsible for coring all openings in ceilings, floors and walls so as to enable pipe routing, and patching all openings to the same level as existing finishes.

B. Field Quality Control

1. Inspections:

a. All welding, brazing, soldering and cutting work shall conform to applicable provisions of the following codes and requirements:

1) ASME Boiler and Pressure Vessel Code

2) American National Standards (ANSI) B31.1 Power Piping & Addenda

3) American Welding Society (AWS) D1.1 Structural Welding Code

b. Welding shall be performed only by qualified welders. Welders and welding procedures employed on pressure vessel or pressure piping work shall be qualified in accordance with Section IX of the ASME Boiler and Pressure Vessel

Code or with local codes where they take precedence. A record shall be maintained on the job showing the date and results of qualification test for each welder employed on the job.

C. Cleaning and Painting

D. Schedules

1. Part of the work required by the Contract Documents may require isolation of portions of the mechanical system(s) or shut down of certain plant operations or equipment. The

Contractor shall perform the work so as to minimize the number and duration of any interruption of the plant mechanical system(s) and normal operation. All such work shall be coordinated with the Owner before any work is started.

2. All utility shutdowns and all other work which would prevent the Owner's normal operation activities from taking place shall be scheduled with and approval obtained from the

Owner in advance and may be required to be performed on premium time basis.

E. Access Panel

1. All mechanical equipment furnished and installed in this contract required to be accessible, either by code or noted on the drawings, shall be installed in accessible locations; or, if installed in an inaccessible location such as above inaccessible (dry wall) ceilings or inside inaccessible (drywall or masonry) walls, shall have an access panel installed. Access panels are generally not shown on the Drawings. Access panels shall be furnished and installed by the Contractor.

SPECIFIC WORK ITEMS

Mini split system installation

Install Air Conditioning unit with heat pump and outside condenser and any materials needed for installation.

Condenser units Mitsubishi MXZ-4B36NA-1 or equivalent shall be basis of design.

Air conditioning unit Mitsubishi MSZ-FH06NA or equivalent shall be basis of design.