J-5_Scope of Work_380 Steam Humidifier.pdf

Scope of Work

Air Route Traf�ic Control Center (ARTCC) ZMP—Minneapolis 512 Division Street

Farmington, MN 55024

Replace 380 Steam Humidi�ier

PART 1-GENERAL

1. SCOPE OF WORK

1.1 This speci�ication and applicable codes & standards cover the requirements of the Federal Aviation Administration (FAA) for the ZMP Air Route Traf�ic Control Center (ARTCC) located at 512 Division Street, Farmington, Minnesota, 55024.

1.1.2. The scope of this project is to:

1.1.2.1.

The Work includes, but is not limited to Replace 380 Steam Humidi�ier:

a. Follow facility humidi�ier shutdown and isolation procedure and take affected humidi�ier out of service. Coordinate work with facility through the FAA COR.

b. Provide Lockout/Tagout (LOTO) of all affected electrical power circuits and control wiring circuits on the humidi�ier removal and replacement. A control bypass may have to be put-in-placed within the DDC system (Environmental Control and Monitoring System).

c. Disconnect electrical power and control connection to the humidi�iers including removal of affected conduits.

d. Disconnect steam hoses and affected steam and condensate piping from humidi�iers and air gap drain. Temporarily cap off steam sparger manifolds located at the ducts.

e. Turn off and disconnect make-up water source.

f. Isolate drain line. Then remove the air gap assembly.

g. Remove humidi�ier.

h. Fabricate and install humidi�ier support frame. Install and make ready support rods, making sure ceiling attachments and frame attachments are secure and will carry at least twice the combined dead weight of two humidi�iers and support frame.

i. Ensure leak-free installation on all fabricated piping.

j. Fabricate and install air-gap assembly.

k. Install new humidi�ier and sparger in AHU ductwork. Install unions and points of disconnection for future maintenance. (Install in accordance with manufacturer instructions and speci�ications.) Coordinate with COR.

l. Complete all drain piping from each humidi�ier and terminate into the air gap. Allow space for condensate drains from the manifolds, on the air gap opening. Include the drain water cooling provision as shown on drawing.

m. Fabricate and install supply water piping. Then connect water source to the humidi�iers.

Test and ensure leak-free installation.

n. Fabricate and install, then securely support steam supply and condensate drain piping.

o. Connect two or three-foot section steam hoses at each humidi�ier to the respective steam piping.

p. Reuse existing if sized appropriately, heavy duty disconnect switches as indicated by drawing.

q. Re-route and support required electrical conduits. Re-terminate all electrical power and control connections. Rewiring from junction box to the humidi�ier disconnect may be needed. Wire from each disconnect to the respective humidi�ier.

r. Start and functionally test unit according to manufacturer’s recommendation.

s. Return Humidi�iers into service. Coordinate work with facility through the FAA COR.

Follow facility procedure for returning Humidi�iers into service.

t. Connect the new humidi�ier to the existing Building Automation System via BacNet.

Bring all available DDC points from the new humidi�ier into the BAS system. Program the controls for new humidi�ier using the newly generated points.

1.2. General Notes:

1.2.1. Contractor is responsible for verifying and making all �ield measurements.

1.2.2. All materials used will be approved by the Contract Of�icer Representative (COR) prior to installation.

1.2.3. Prior to work beginning COR and contractor will agree to phasing of work if applicable.

1.2.4. Contractor is responsible for keeping work area clean and always protecting equipment inside the garage from debris, damage, and weather/climate.

1.2.5. COR shall verify and give the contractor approval to begin the work.

1.2.6. Using proper machinery and tools, remove and replace the existing roof.

1.2.7. Contractor is responsible for dust control and clean up upon project completion.

1.2.8. Contractor is responsible to reduce odor and noise throughout the facility during work when possible.

1.3. Humidi�ier Replacement:

1.3.1. Contractor will remove and replace the humidi�ier with no damage to building structure and equipment within the building.

1.3.2. Government is responsible for moving all FAA equipment that may hinder work to be done. Contractor shall provide the COR a list of equipment that needs to be removed prior to commencement of work.

2. EXISTING FACILITY OPERATIONS:

2.1 The Air Route Traf�ic Control Center (ARTCC) is 24-hour, 7 day per week operation facility occupied by Air Traf�ic and Technical Operations personnel. The Contractor must plan, schedule, and coordinate all work with the COR so normal facility operations may continue with minimum disruption or interference.

3. INTENT OF SPECIFICATION:

3.1 The Contractor shall furnish all material, labor and equipment required to perform the work. All work shall be accomplished by experienced workers in accordance with the highest standards of the various work trades involved.

3.2 All work performed, and all materials and equipment used shall be approved by the COR. This shall include, but not be limited to testing, inspection, scheduling, reporting and submittals.

3.3 All products and paint colors will be reviewed and approved by the on-site POC before application.

4. SITE VISIT BY CONTRACTOR:

4.1 Site visits are required for bidders to familiarize themselves with existing site conditions and examine the areas affect proper execution of the work.

4.2 Coordination: Coordination with the COR is required throughout the work process.

4.3 Preconstruction Conference: The Contractor shall attend a preconstruction conference with the FAA Construction Of�icer’s Representative (COR) and other FAA personnel, arranged by the Contracting Of�icer (CO). The Contractor shall abide by all agreements reached at the conference regarding safety practices, ingress and egress routes to the construction site, work schedule, security, and general operating procedures.

5. COMPLIANCE WITH LOCAL CODES AND OTHER CODES:

5.1 The Contractor shall comply with all local and other codes of the standard trade practices adopted by these contract documents. Where the requirements of the speci�ication and drawings exceed those of the local and adopted codes, the Contractor shall comply with the requirements of the speci�ication and drawings.

5.2 Local Permits: The Contractor shall apply, pay fees, etc., to obtain local building permits and inspections as required. All permits necessary to comply with state and federal regulations pertaining to disposal are the Contractor’s responsibility.

6. WORKMANSHIP AND CONTRACTOR’S WARRANY

6.1 The Contractor shall guarantee all materials and workmanship against defects or incorrect installation for one year. Repairs and/or replacements during the warranty period shall be made by the Contractor at no cost to the FAA.

7. SUBMITTALS:

7.1 The Contractor shall submit for approval material to be used.

8. CONSTRUCTION LIMITS AND ACCESS:

8.1 The Contractor shall con�ine operations, activities, storage of materials, and employee parking within the designated areas, as directed by the COR. Any additional area needed shall be obtained off site, at no additional cost to the FAA.

8.2 Access for the contractor, subcontractors, employees, deliveries. etc., will be in the location as directed by the COR. Access to the construction site shall be kept unobstructed.

If temporary access obstruction is unavoidable, the contractor shall advise the COR immediately. Temporary roadways and/or other access may be authorized only by the COR. Obstruction existing roadways, driveways, etc., to the ARTCC is strictly prohibited.

8.3 After the Notice to Proceed and prior to commencement of construction, the Contractor and COR shall conduct joint inspections of areas affected by construction to con�irm existing conditions.

9. CONTRACTORS’ USE OF PREMISES:

9.1 The Contractor shall have complete use the premises within the construction limits for the execution of the work with the following exceptions:

9.1.1 Technical Operations personnel performing routine or emergency maintenance activities which require access within the construction limits have priority over the Contractor's operations.

9.1.2 Other Contractors, employed by the FAA, that are working at the ARTCC.

9.2 The Contractor shall assume full responsibility for the protection and safekeeping of products stored on the site.

9.3 The Contractor and his subcontractors shall maintain the job site in a neat and orderly condition. This includes the daily removal of rubbish, waste and tools, equipment and materials not required for the work in progress.

9.4 It shall be the Contractor's responsibility to remove and haul any demolition and waste materials to a legal off-site disposal facility.

10. WORKING CONDITIONS:

10.1 No work shall be performed by the Contractor without consent of the FAA’s COR.

10.2 Work Hours: At the preconstruction conference the Contractor shall furnish a work schedule statement to the Contracting Of�icer for approval that includes: hours and days per week to be worked and approximate number of people to be employed on the job for the “normal” work shift. The Contractor will notify the COR, in advance, of any changes in the work hours or the days per week to be worked.

10.3 Hours of work shall be from 7:00 a.m. to 5:00 p.m. or as approved by the COR.

Alternate work schedule is subject to approval by the COR.

10.4 Noti�ication of Planned Overtime Work: In the event the Contractor intends to work overtime, weekends, or holidays, he shall obtain the COR's approval at least 48 hours in advance of his commencement of the overtime work, and 48 hours prior to weekend or holiday work.

10.5 Work Safety: The Contractor shall be responsible for safety on the work site. It is the responsibility of the Contractor to eliminate hazards which may result in tripping, electrical shock, �ire, falling objects, environmental hazards, vehicular accidents, etc. The Contractor shall comply with all safety precautions required by OSHA. The Contractor shall furnish and install barricades, obstruction markers, and warning signs as required and instructed by the Contracting Of�icer's Technical Representative.

11. SECURITY REQUIREMENTS:

11.1 Contractor's Personnel: Contractor shall provide the COR with a list of the Contractor's personnel who will require access to the ARTCC premises. The list shall be kept current during project work.

11.2 Contractor's personnel can be subject to security investigations at the FAA’s discretion. The Contractor shall promptly complete for each employee such security forms as are furnished by the Contracting Of�icer's Technical Representative.

11.3 The ARTCC facility is always under security guard. All personnel entering the facility will be required to show a visitor's badge, issued by the security guard daily. The security badge shall be always worn while on the premises. Instructions regarding security requirements will be furnished at the time the badges arc issued.

11.4 Work shall be arranged so that the Contractor’s personnel can be escorted, when required by the FAA. Certain areas are considered classi�ied. Contractor's personnel shall not violate any security regulations pertaining to the ARTCC facility. Violators may be removed from the premises with the right to reenter revocable. Contractor's day-to day work scheduled in the classi�ied areas shall be arranged to allow for minimum escort.

11.5 Identi�ication Decals: If Contractor’s vehicles are required to be on the site, vehicle identi�ication cards shall be furnished by the FAA. The cards shall be displayed as directed by the security of�icer and always displayed when the vehicle is on the site. The Contractor shall be responsible for the collection and surrendering of all vehicle cards which are no longer required. The FAA reserves the right to collect the cards from any person who has been removed from the premises duct to conduct or other violations.

11.6 Right to Search: Current procedures at FAA facilities include the "right to search." If, in the judgment of the FAA security guard, a cause to search a vehicle or the person or personnel exists, such a search will be made.

12. SAFETY

12.1 The Contractor shall be responsible for safety during the work. It is responsibility of the Contractor to eliminate hazards that may result in tripping, electrical shock, �ire, falling objects, environmental hazards, vehicular accidents, personnel injuries, etc. The Contractor shall comply with all OSHA safety requirements. The Contractor shall have two 15 lb. Class ABC �ire extinguishers available in the work area through the progress of welding, metal cutting, or any other process involving a spark or �ire hazard. The Contractor shall furnish and install barricades, obstruction markers, and warning signs as required and instructed by the Contracting Of�icer Technical Representative.

12.2 Contractor shall notify COR at least 3 business days before application of any substance with repugnant, distasteful, or adverse odor; and shall take measures to reduce the odor.

13. TEMPORARY FACILITIES:

13.1 Temporary Water: The existing building water system may be used for construction purposes at no cost to the Contractor. Cold water only is available. The Contractor shall obtain location of connections from the COR. The Contractor shall extend the system as necessary to comply with temporary water requirements. Extension from the point of connection, including equipment, operation and maintenance shall be paid for by the Contractor.

13.2 Temporary Electrical Power: Connections to the existing ARTCC facility’s electrical system is allowed. Coordinate with the COR.

13.3 The Contractor shall provide all supply lines for light and power, extension outlets, extension cords, trailers, receptacles, bulbs, fuses, and other equipment required for safety, for proper execution of the work and for inspection purposes.

13.4 Temporary Telephone: The Contractor shall provide his own telephone service.

13.5 Temporary Construction Aids: The Contractor shall furnish, install, and maintain required construction aids and equipment to facilitate execution of work, including scaffolds, staging, ladders, stairs, ramps, runways, platforms, railings, hoists, cranes, chutes, etc. Remove on completion of work.

14. CLEANING:

14.1 Working Area: The Contractor shall always keep the working area in a clean and proper condition. All debris and waste resulting from the execution of work shall be removed at the end of each day, or as directed by the COR. Dumpster or similar containers shall be provided by the Contractor at no additional cost to the FAA.

14.2. Waste Packing Material: Immediately after unpacking all packing material, case lumber, excelsior, or rubbish, �lammable or otherwise, remove to the proper location.

14.3. Final Cleanup: Upon completion of work and before acceptance by the FAA, the Contractor shall remove his/her working tools, equipment, debris, rubbish, and unused materials from the construction site.

15. CONTRACTOR’S LIABILITY:

15.1 Damage to the existing facility or equipment caused by the Contractor shall be immediately reported to the COR. The Contractor shall be responsible for repairing or having repaired damaged areas of the facility structure or equipment caused by the Contractor or his/her employees. All repairs shall be accomplished at the Contractor's expense without delay and to the satisfaction of the COR.

15.2 Protection of Existing Utilities: It shall be the Contractor's responsibility to assure that locations of all underground cables, pipes, conduits, and utility lines are established before beginning excavation work. Any damage to cables and utility lines shall be promptly repaired at the Contractor's expense to the complete satisfaction of owners of such lines and cables. The Federal Aviation Administration will �ield establish the approximate locations of its own cables. Coordinate with the COR before beginning demolition activities.

15.3 Requirements Included: It shall be the Contractor's responsibility to provide protection of work from weather, physical damage, improper use, and other adverse natural conditions.

15.4 It shall be the responsibility of the Contractor to replace any damaged work including �inishes, material, equipment, and grounds.

16. CONTRACTOR’S DELIVERABLES:

16.1 Operation and Maintenance Data: For Humidi�ier maintenance manuals and associated drawings and schematics.

17. WARRANTY

17.1 Installer's Warranty: Installer's standard form of warranty in which Installer agrees to repair or replace when Installer is at fault.

17.2 Manufacturer's Warranty: Manufacturer's standard form of warranty in which product does not perform as describe and at no fault of the installer.

18. SPECIFICATIONS, REFERENCES AND STANDARDS

18.1 Contractor shall adhere to all applicable industry, manufacturer, State and Federal regulations not limited to:

a. NFPA 70

b. AHRI 640

c. ASCE/SEI 7

d. ASTM E 84

e. ASHRAE 62.1.

f. Section 230548 "Vibration and Seismic Controls for HVAC."

g. Section 230548.13 "Vibration Controls for HVAC."

h. Section 260519 "Low-Voltage Electrical Power Conductors and Cables."

i. Section 260526 "Grounding and Bonding for Electrical Systems."

PART II-PRODUCTS

1. All materials and chemicals must be approved by the COR.

18. SPECIFICATIONS, REFERENCES AND STANDARDS