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STATEMENT OF WORK

Wewoka Dental/Pharmacy HVAC Replacement

Wewoka Indian Health Center Wewoka, Oklahoma May 2022

Oklahoma City Area Indian Health Service Department of Health and Human Services

STATEMENT OF WORK

Project: Wewoka Annex HVAC DDC and Re-Zoning Project # OK8WOA01C4 Wewoka Indian Health Clinic Wewoka, Oklahoma

TABLE OF CONTENTS:

EXHIBITS:

Appendix & Drawings Tab A & B

STATEMENT OF WORK

Project: Dental/Pharmacy HVAC replacement Wewoka Indian Health Clinic Wewoka, Oklahoma

1.0 INTRODUCTION / BACKGROUND

In 2020, the Wewoka Indian Health Center Dental department was remodeled, but is needing replaced due to high humid days. The Pharmacy department hvac unit needs to be changed to overcome high humidity days and to keep the area cool.

2.0 OBJECTIVE

The objective of this project is to replace the dental, community health, administration, lobby unit and pharmacy hvac units with a bigger unit with Humididry built in to be able to remove excess moisture in the areas. Also to integrate the units into the existing DDC building automations system to have the units able to run the Humididry component while cooling the area.

3.0 SCOPE OF WORK

A. The contractor shall be responsible for all aspects of removing the old RTU’s and curbs, along with upgrading the electrical for the pharmacy for 3 phase RTU. The contractor will need to integrate existing DDC components into the new RTU’s .

B. Overview of work to be performed but not limited to;

1. Remove existing RTU’s.

2. Furnish and install new Lennox 10-Ton roof top units

3. Furnish and install new Lennox 7.5 ton roof top units.

4. Furnish and install new Lennox 5 ton roof top unit

5. Furnish and install new 3-ton roof top unit.

4.0 TASKS / REQUIREMENTS

Work items shall be bid on a line items unit-price basis with estimated quantities and unit of measure.

Contractor shall be responsible for all aspects of the project to include demolition of required ductwork, installation of new ductwork and addition of a new 10-Ton roof top unit, and new 3-Ton roof top unit, and addition of DDC controls. Furnish labor and materials to perform all work and as required as follows:

4.1. General and Administrative

A. Contractor shall provide a job superintendent to be on site for supervising and scheduling work that is being perform at the health center by the general contractor or their subcontractors.

B. Contractor shall provide their own Personal Protective Equipment (PPE), Lockout Tag-out equipment, infection control barriers, vehicles barriers, and any other safety related supplies, materials, and equipment to perform this work.

C. Contractor shall provide a dumpster for the removal of debris, material, and waste for the duration of the project and dispose of according to State, Federal, and EPA regulations. Location of the dumpster shall be coordinated with the health center Facility Manager.

D. Contractor shall clean work areas daily. Keep work area, and public access areas free from accumulations of waste materials. Contractor shall remove trash daily. Construction waste shall be transported in tightly covered containers to minimize spreading of dirt and debris associated with construction.

E. Contractor shall isolate HVAC system in area where work is being perform to prevent contamination of duct system.

F. Contractor shall maintain as required safety and infection control measures barriers. As required, Contractor to provide negative air pressure containments within the work site utilizing HEPA equipped air filtration units. Contractor shall be responsible for monitoring with a log sheet the HEPA filter replacement changes required within a healthcare environment to maintain IHS infection control measures requirements.

G. Contractor shall properly seal any wall cutouts and created hole, and seal around penetration due to installation of piping, conduits, and wall punctures. If smoke/fire walls, Contractor shall be responsible to properly seal based on wall smoke/fire rating per NFPA code requirements.

H. Upon completion of the work, Contractor shall remove barrier material carefully to minimize the spreading of dirt and debris associated with construction.

I. Upon completion of work, Contractor shall vacuum work area with HEPA filtered vacuums, and wet mop area with cleaner/disinfectant. Contractor shall conduct a final clean and leave the work area in a clean, neat, and orderly condition.

J. Upon completion of work, Contractor shall restore HVAC system where work was performed.

4.2. HVAC Demolition/Modification

A. Remove old RTU’s and set them on a trailer to be hauled off by IHS.

B. Remove old curb adapters.

4.3. Temporary Partitions / Barriers

A. To protect from dust, cover with plastic all cabinets, desks, equipment, and chairs with in the area that the Contractor is to perform work per the scope of work.

4.4. HVAC.

A. Furnish & install two (2) new 10-Ton Lennox LGT120H4-PKG RTU , curb, & accessories.

B. Furnish & install one (1) new 3-Ton RTU LGT036H4-PKG , curb, & accessories.

C. Furnish & install two (2) new 7.5 Ton RTU LGT090H4-PKG , curb, & accessories.

D. Furnish & install one (1) new 5 Ton RTU LGT060H4-PKG, curb, & accessories.

4.5. Roofing

A. Repair all roofing where cut outs and penetrations were made for a watertight seal.

4.6. Plumbing

A. Tie into existing gas line on roof for RTU’s.

B. Provide & install shut off valve, dirt leg, union, & all required fittings / accessories if not already installed.

C. Attach existing condensate drain line to new units.

D. Provide & install p-trap and extend to nearest roof drain with piping roof supports (matching existing).

4.7. Electrical

A. Install new circuit for the 3 ton pharmacy unit and provide circuit breaker.

B. Install new circuits for RTU’s based on the amperage rating for the each RTU and verify that the circuit can handle the load of new RTU.

C. Contractor shall evaluate and verify that the existing electrical panels to obtain power are not over the 80% NEC code electrical load capacity.

D. Contractor shall provide circuit breakers required for new equipment.

4.8. Direct Digital Controls (DDC)

A. The contractor shall be responsible for the removal of the existing wiring and controls off the old RTU’s and integrate the controls into the new RTU’s with controlling the economizer, humiditrol, cooling, heating, ect…

5.0 DELIVERABLES (When and What)

5.1. List of Deliverables by Task

Pre-Construction Meeting

Schedule – Gant Chart or Bar Chart Submitted before Notice to Proceed (NTP)

List of On-Site and Key Personnel Provide a list of Contractor’s staff and Sub-Contractor listing.

Contractor shall update list when changes occur.

Schedule of Values Provide at pre-construction meeting.

Progress Meetings and Correspondence

Construction or Services

Completion of Project

O&M and Training

Training Schedule after Approval of O&M Manuals

As-Built Drawings & Project Records

Functional Testing of Systems

Warranties

Payments

Schedule of Values Attachment to progress payment request.

5.2. Submittals

Submittals may be shop drawings, product data, cut-sheets of equipment, material samples, sketches, manufacturer’s literature, catalog descriptions, or other description sufficient in detail for review and action to allow a decision by Contracting Officer Representative (COR). COR shall respond within 5-7 business days.

Contractor shall provide a submittal tracking log sheet.

Substitutions or deviations not approved by the COR risk rejection. Submittals and Safety Data Sheets (SDS) for chemicals and materials shall not be used until approved.

5.3. RFI

If the Contractor desires additional explanation or interpretation of this scope of work, the request must be submitted in writing as a Request for Information (RFI) to the IHS COR and IHS Contracting Officer (CO) via an electronic editable file format. COR shall respond within 5-7 business days. Contractor shall provide a RFI tracking log sheet.

5.4. Warranty

Warranty shall continue for a period of 1-year from the date of final acceptance of the work.

5.5. Transmittals

The Contractor shall provide electronic editable transmittal files. Contractor can use a centralized share document system. Coordinate with IHS COR for review and approval.

6.0 PROGRESS / COMPLIANCE / INSPECTION

The Government requires the following from contractors in order to monitor progress and ensure compliance:

6.1. Inspections

Government shall inspect regarding quality assurance and remedies regarding non-conforming work.

6.2. Contractor – Signing In/Out

Contractor shall coordinate with the IHS COR and IHS Facility Manager on the signing in/out and scheduling of Contractor’s staff and sub-contractors in order to maintain efficient use of traffic-flow, parking, access to building and locked areas.

6.3. Life Safety and Infection Control

Before any construction or services are to be perform within the facility, the Contractor is 100% responsible for implementing and maintaining all Safety and Infection Control Measures during performance of their contract.

Initial and periodic inspection will be conducted by the COR, Safety Officer, and/or Infection Control Officer. Any life safety or infection control deficiencies will have to be immediately corrected by Contractor.

Contractor shall be responsible for implementing all safety and infection control measures to ensure these measures meet OSHA, NFPA Codes, ASHRE, and Joint Commission standards during the course of this project.

7.0 REFERENCES

7.1. Existing As-Builts

As-built facility drawings for additional information are available for review. Coordinate with COR.

7.2. Quality of Workmanship

Contractor shall perform high quality trade and craft workmanship. All work must conform to, and comply with, the latest edition and version of ALL applicable codes including, but not limited to, OSHA, NFPA, IBC, FGI Guidelines for Design and Construction of Health Care Facilities 2014 edition, and Joint Commission Codes, Standards and Guidelines for Hospitals (CAMH).

8.0 SECURITY REQUIREMENTS

Contractor shall abide by all Safety, Security and Infection Control Policies and Procedures of the IHS facility.

Contractor shall comply with security requirements including personal identification. Contractor shall be responsible for providing each of their employee with an ID badge. ID badge shall be worn at all times when performing work during the course of this project.

9.0 NOTES

Not applicable

10.0 LOCATION

The project location.

Wewoka Indian Health Center 36640 Highway 270 Wewoka, Oklahoma 74884.

A. Contractor Work Hours:

Coordination and scheduling of work is shall be coordinated with the IHS COR. Work performed shall be planned to minimize the impact to services to the IHS facility by submitting a schedule for contractor request to working after-hours and weekends per requirements of the scope of work.

Normal business hours are Monday through Friday from 7:45 a.m. to 4:30 p.m. After normal business hours are 4:30 p.m. to 10:00 p.m., and weekends are required to be pre-schedule for approval. Contractor shall minimize disruption during normal business operation is to perform work after-hours or weekends to complete portions of the work.

B. Tobacco Free Campus:

IHS facilities are a tobacco free campus. No smoking is permitted on the campus grounds.

12.0 PERIOD OF PERFORMANCE

The period of performance for this scope of work is 90-calendar days after notice to proceed (NTP).

Appendix A I. General HVAC Requirements to be Performed:

The contractor shall be responsible for the furnishing, installation and modification of the HVAC system per the scope of work. Before work is to be performed, Contractor shall coordinate and provide the IHS COR a phasing for the re-zoning by department to minimize the impact to normal business operations and to coordinate work that is to be performed during normal business hours and work to be performed after hours and weekends.

Department where the RTU is not in operation, due to re-zoning, temporary AC units will need to be used until the RTU is place back in operation.

A. HVAC General Requirements HVAC work will entail the furnishing and installation of the below Commercial Grade items:

1. Minimum HVAC system energy efficiency of 12.0 SERR

2. High-Efficiency Package Rooftop Unit with Non-Proprietary Controller

3. Economizer System with Enthalpy Control for Free Cooling

4. R-410A Refrigerant with color coded service valves

5. All Ductwork Installation per Mechanical and SMACNA Code Requirements

6. Minimum 14 inch down flow roof curb

7. Adjustable Test & Balance Dampers

8. Supply Diffusers with top molded insulation to match existing

9. Slotted Return Vent Grills to match existing

10. DDC Controls to be Open and Non-Proprietary for full IHS Access

Pic A-1. Top view of Wewoka Indian Health Center Annex Building – Location of Rooftop Units

B. Package Rooftop Unit (RTU) General Requirements

The Package Rooftop Unit (RTU) shall have the following requirements. The Contractor shall provide product submittal for IHS COR review and approval.

1. Package Rooftop Unit (RTU)

a. The new 10-Ton, 7.5-Ton, 5-Ton 3-Ton units RTU shall meet standardization for a Commercial Lennox Package Rooftop Units to allow the IHS Area Engineering and IHS Facility staff to be able to service locally and hook up non-proprietary intelligent unit controls software for setting operating setpoints, service testing, and troubleshooting.

b. Package RTU shall have matching existing commercial lennox of 12.0 SERR minimal energy cooling efficiency rating with electric cooling and gas heating.

c. Package RTU shall have a compressor to allow for at least a tandem scroll compressor with 2-stage for 50% load shedding capabilities for energy saving if available as option.

d. Package RTU shall have a direct drive fan blower with a high-efficiency variable speed ECM motor to allow for multi-stage supply air delivery.

e. Package Rooftop Units electrical power requirement: 208V/3-Phase/60Hz

f. Furnish and install the following Commercial Lennox Package Rooftop Unit with the following add-on components.

Factory Installed Option to be include in the RTU to be furnished

1. Direct Drive Blower Motor: DirectPlus with MSAV (multi-stage air volume)

2. ClearControl Rooftop Unit Controller (RTU-C) with Option B BACnet Protocol

3. Humidtrol for Humidity Level Control with CORE control system

4. Hail Guards

5. Economizer System with Dual Enthalpy high performance economizer

6. Blower proving switch

7. Dirty Filter Switch

8. Freeze Stat Sensor

9. Return Air Sensor

10. Discharge Air Sensor

11. Outdoor Air Sensor

12. Defrost sensor (Heat Pump)

13. Power Exhaust

14. Fresh Air Damper Motorized

15. Smoke Detector – Supply

16. Smoke Detector – Return

17. CO2 Return Duct Sensor

18. Service Valves

19. Condensate Drain Trap

20. Drain Pain Overflow Switch

21. MERV 13 High-Efficiency Air Filters

22. UVC germicidal lights

23. Disconnect switch

24. GFCI Service outlets

C. HVAC Ductwork General Requirements

The HVAC ductwork is to have the following minimal requirements. The Contractor is to provide submittal for IHS COR review and approval.

a. HVAC work shall entail the furnishing and installation of Commercial Grade items.

b. Use of commercial ridged metal ducts with commercial industry hangers, and saddle supports.

c. Use of minimum 1-1/2” wrap around duct insulation properly sealed.

d. Use of commercial flexible ducting to be less than 5 feet.

e. Adjustable Test & Balance Dampers

f. Supply Diffusers with top molded insulation to match existing

g. Slotted Return Vent Grills to match existing

h. All installation to comply with SMACNA's "HVAC Duct Construction Standard" for metal thickness, reinforcing types and intervals, tie-rod applications, and joint types and intervals.

D. HVAC Electrical and Smoke Detector General Requirements

The HVAC ductwork is to have the following minimal requirements. The Contractor shall provide submittal for IHS COR review and approval.

a. All power sources are to be properly NEC labeled on each HVAC and mechanical systems being installed, including separate 120 VAC circuits for use during Lock-out/Tag-out and inspection of low voltage origination.

b. Furnish and install power disconnects on each HVAC unit installed if not an option to be factory installed on the RTU.

c. Preference is for the smoke supply/return detectors if required per NFPA based on being above 2,000 CFM shall be installed as an option at the RTU factory if not available as an option shall be installed in the ductwork. HVAC roof top unit’s smoke detectors are to be tied- in to the fire alarm system. Coordinate with IHS COR for review and approval.

E. Direct Digital Control (DDC) General Requirements

The facility has the following existing main controller Building Automation System (BAS), which is a non- proprietary web-based front end. This existing main controller BAS system is to be used for the DDC integration per this scope of work.

The BAS server computer is setup with IHS Security Policies and will require prior IHS COR approval before Control contractor is granted access to the BAS server computer. The Control Contractor shall not have Remote Access to the BAS server computer. The IHS COR or designated IHS personnel per the IHS COR has shall present to allow access to the BAS server computer and shall be present during onsite programming work being performed by the Control contractor per the scope of work. Schedule one (1) week in advance, submitted to the IHS COR for review and approval, a schedule of work and programming to be performed by the Controls contractor.

a. The HVAC DDC sub-contractor shall have knowledge and experience with integrating to the existing Automated Logic BAS system and Automated Logic DDC control modules and components.

b. DDC and BAS programing uploads and modification are to be performed onsite ONLY with one (1) week prior coordination with IHS COR and Facility Manager due to IHS Security Policies.

c. Contractor shall provide user-end training on the BAS integration performed per the scope of work, which shall be recorded on a DVD disc and submitted to the IHS COR for review and approval.

Before any BAS or DDC installation is to be performed by Contractor, the required BAS and DDC programming, per the scope of work, shall be created with required graphical screens and submitted to IHS COR for review and approval.

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