75H71324Q00020 SSN Attachment.docx
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- Attached to
- Supply and Install 4 HVAC Unit
- Solicitation number
- 75H71324Q00020
About this file
This document outlines requirements for replacing four roof-top HVAC units at a health center operated by the Indian Health Service. The project involves removing four existing Lennox gas units and exhaust fans from 2008, installing new similar units with integrated fans, repairing any roof damage, connecting the new units to an existing Daikin control system, and performing a test and balance. Submittals are required for pre-work plans, materials, and post-work documentation. Technical requirements specify applicable codes and standards, material specifications for compatibility with existing ductwork and controls, and quality assurance processes. Infection control protocols and maintaining patient access during the work are also outlined. The related federal contract opportunity is solicitation number 75H71324Q00020 for supplying and installing the four HVAC units from the Department of Health and Human Services Indian Health Service.
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SECTION C
DESCRIPTION/SPECIFICATIONS/WORK STATEMENT
I. Overview
A. Site Location
1. The Western Oregon Service Unit (WOSU) is located in Salem Oregon, approximately 43 miles south of Portland, Oregon (Attachment A). The project location and physical address is below.
| Western Oregon Service Unit |
| Chemawa Health Center |
| 3750 Chemawa Rd. NE |
| Salem, Oregon 97305 |
B. Background
The Four (4) roof top units (RTU’s) above Dental and Business offices was installed in 2008 and are at the end of their life. The ducting is in good working condition and do not need to be replaced or modified outside of insuring the new RTU’s fit properly. Each of the 4 units has its own separate but integrated exhaust fan. Exhaust fans are to be replaced as well. The RTU’s to be replaced are all Lennox L series, 5 ton, gas RTU’s. Two of the Model numbers are: LGA060H4BHG5 and LGA072H4BH2G. All drawings and current HVAC specs on hand and can be provided upon request.
C. Work Summary
1. Disconnect, remove and dispose of all 4 existing RTU’s and exhaust fans on the roof.
a. The current footings will need to be inspected and confirmed that they will work with new units or will need to be removed for new ones as well.
2. Replace with the 4 new RTU’s with 4 thermostats and exhaust fans.
a. New RTU’s must be similar in design, size and function as the current units.
b. Low voltage wire currently running to Lennox Thermostats that are in good working order. Depending on new Thermostats a new wire may be required e.g. CAT 6.
c. Exhaust fans will need to be integrated with new RTU’s similar to what is currently installed. Exhaust fans run during occupied hours.
3. Repair any roof damage to make sure the roof membrane is water tight.
a. Most of the work will be done on the roof over Dental which is an Everlast poly-urethane roof membrane. All screws, metal, and debris must be removed at end of project. Any cuts, scrapes, and tears in the roof must be repaired.
4. Connect new RTU’s to Daikin I-touch control in Mechanical room.
a. No current wires are ran to I-Touch from current RTU’s. New RTU’s will need a direct wire from units to I-Touch.
5. Complete a Test and Balance (TAB) on all new RTU areas.
a. TAB will be completed and any adjustments made if needed.
II. Technical Requirements
A. Codes, References, and Standards
Work under this contract shall be performed in compliance with the codes, references, and standards listed below.
1. ASHRAE 90.1, ICC International Energy Conservation Code (IECC)
2. NFPA 70 – National Electric Code (NEC)
3. UMC Uniform Mechanical Code (UMC)
4. Manufacture’s installation Specifications
5. International Building Code
B. Submittals
The Contractor shall provide submittals on the items listed below. COR approval is required before proceeding with the portion of work the submittal applies to.
1. Pre-Work
a. Progress plan for when work will be performed, including timing of any power interruptions.
b. Safety and Accident Prevention Plan
c. Infection Control Risk Assessment
d. Interim Life Safety Plan
e. Continued access for patents plan of action
2. Material
a. 4 RTU’s Similar in design to current.
b. Applicable ducting
c. Roofing material
d. Wiring to I-Touch Control
3. Plan and Drawings
a. Before the start of work new RTU’s must be signed off on by the COR.
b. Design showing how new RTU’s will sit on current footing or design of new footing.
4. Post-Work Award
a. Start-Up Report
b. Product and equipment warranties
c. Drawings
d. Operation and maintenance manuals for all installed equipment.
e. Operation and maintenance training for all installed equipment.
C. Material Specifications
1. All Materials must be new and be able to work with the ducting currently installed.
a. RTU’s must be new and be able to communicate to with the Daikin I-Touch control
D. Quality Assurance
1. All RTU’s must work as intended per the manufacturers recommendations.
2. COR/Facilities Manager must be shown functionality of complete RTU’s
3. Must be able to control RTU’s from both the I-Touch and the thermostat.
4. The Contractor shall keep the COR notified and advised on any work to be done that is outside of the work schedule or any work that could affect patient care with as much notice as possible.
5. The final inspection of the work shall be a joint effort between the Contractor and the COR. Any deficiencies found during the inspection shall be corrected within ten (10) days of finding.
E. Work Execution Requirements
1. Infection Control
a. Infection Control Checklist shall be reviewed and evaluated in consultation with the Infection Control Officer.
b. Activities that result in excessive dust accumulation, such as cutting and demolition, will require the Contractor to use approved methods to contain and minimize dust dispersion. Methods for dust control are listed in the attached Infection Control Project Risk Assessment Approval Checklist and require strict adherence. Contractor methods will be evaluated by the Infection Control Officer.
2. Interim Life Safety Measures Plan
a. The Contractor is responsible for notifying and gaining advance approval from the IHS Safety Officer for any modifications or disabling of life safety systems as necessary to complete this work. Examples include temporary modification of exit paths or temporarily disabling an alarm system. In such instances, the Contractor shall implement interim measures acceptable to the IHS Safety Officer.
3. Hazard Inspection
a. Work will take place in and around a facility constructed in 2008. A comprehensive inspection for the presence of hazardous materials has not been conducted.
b. Note if the work requires the handling/disposal of any known hazardous materials. Eg. The Contract requires inspection of fluorescent light tubes and light fixtures that may contain mercury and lead. The Owner does not know of or suspect the presence of any other hazardous materials in the work area.
c. As part of preparing the Safety and Accident Prevention Plan, the Contractor shall inspect work areas for the presence of potential safety hazards and hazardous materials consistent with the health and safety regulations applicable to this Contract. This includes inspecting for the presence of Asbestos Containing Materials (ACM’s) prior to any renovation or demolition work.
d. If renovation / demolition work is to take place, the asbestos inspection shall be completed by a State Licensed Asbestos Inspector consistent with 40 CFR Part 61, Subpart M (Asbestos National Emission Standards for Hazardous Air Pollutants (NESHAP).
e. If the work is in buildings constructed prior to 1980, or if the Contractor’s hazard inspection finds any reason to suspect the presence of lead based paint, the work area shall be tested for the presence of lead based paint by a certified lead based paint inspector.
f. The outcome of the Contractor’s inspection of the work area shall be included with the Safety and Accident Prevention Plan submittal. In the event that new suspected or confirmed hazardous materials are found during the Contractor’s inspection, a Contract Modification shall be negotiated to assure the requirements of applicable health and safety regulations are met.
4. Roof mounting and anchors are to be inspected to verify site conditions. The intent is to replace RTU only on the existing mounts, if the frame needs to be modified or replaced in any way contractor will stop work on that unit and notify COR immediately.
5. While work is being done there must be a plan in place approved by the COR that allows patents continued uninterrupted access to the Dental clinic during normal patent hours. Wednesday mornings from 7am-1130am is staff admin time and no patents are being seen.
6. If work is needed to be done outside of normal business hours it must be prior approved by COR 48 hours in advance.
7. Notify COR of additional work that needs done outside of original approved scope of work.
III. Drawings A. HVAC Drawings 2008
IV. Other Attachments A. Location Map B. Area of work C. Area of work D. Area of work & current set up of RTU’s E. Current RTU’s F. Current RTU Data stickers
Attachment A
Attachment B
Attachment C
Attachment D
Attachment E
Attachment F image3.jpeg image4.jpeg image5.jpeg image4.png image5.png image6.jpeg image7.jpeg image8.jpeg image9.jpeg image1.jpeg image2.jpeg
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