21. SF 30 - A-0002- Amendment of Solicitation - Pico del Este HVAC.pdf

OMB Control No. 2120-0595 (SF-30) FAA Template No. 11 (Reverse) (8/97)

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE PAGE OF PAGES

1 1

2. AMENDMENT/MODIFICATION NO. 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQ. NO. 5. PROJECT NO. (If applicable)

A-0002 08/09/2021 WS-21-01451

6. ISSUED BY 7. ADMINISTRATED BY (If other than Item 6)

DOT/FEDERAL AVIATION ADMINISTRATION

SOUTHERN REGION, AAQ-570

1701 COLUMBIA AVENUE

COLLEGE PARK, GA 30337

DOT/FEDERAL AVIATION ADMINISTRATION

SOUTHERN REGION, AAQ-570

1701 COLUMBIA AVENUE

COLLEGE PARK, GA 30337

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

All Prospective Offerors.

9A. AMENDMENT OF SOLICITATION NO.

697DCK-21-R-00327

9B. DATED (SEE ITEM 11)

07/07/2021

10A. MODIFICATION OF CONTRACT/ORDER NO.

*TO BE COMPLETED BY VENDOR IF NOT COMPLETE 10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended is not extended.

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation on as amended, by one of the following methods:

(a) By completing Item 8 and 15, and returning 1 copies of the amendment; (b) acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDG- MENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hours and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO.

AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT/ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

Reference: 697DCK-21-R-00327 – Amendment –A – 0001 – Pico del Este (QJQ) HVAC Replacement, Carolina, PR

This amendment is being issued to answer the RFIs related to this project. See attached. Friendly reminder the proposals are due on August 18, 2021, 3:00pm Eastern Daylight Time (EDT)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING SPECIALIST(Type or print)

James E. Love 15B. CONTRACTOR/OFFEROR 15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 16C. DATE SIGNED

(Signature of person authorized to sign)

BY

(Signature of Contracting Specialist)

8/9/2021

U.S. Department of Transportation

Federal Aviation Administration

RFI’S

Solicitation: 697DCK-21-R-00327 – HVAC Replacement, Pico Del Este, PR.

General questions:

1. Can you clarify which areas were found with lead containing paints or surfaces?

See attached report.

2. Can we re-use existing refrigeration copper piping?

All copper piping shall be replaced.

3. Can we re-use recuperated R-410A refrigerant?

All refrigerant for new equipment must be new.

4. What do you mean by low ambient control?

Low ambient control is a standard option for HVAC equipment that provides refrigerant head pressure control during low ambient conditions. This is intended to maintain system pressure at normal levels should cooling be required when outdoor temperatures are low.

5. How long would the FAA ID take?

Obtaining FAA ID will not be required. FAA will provide escort for all contractors.

6. What is considered temporary services?

Any services required for construction, but not available on site (e.g. compressed air).

7. Should we provide temporary air for shutdown work?

Yes, Contractor is responsible for providing temporary conditioned air for areas impacted by construction.

SOW Questions:

General:

Section 4:

•What is the requirements construction for temporary offices/staging?

The site is not occupied, so temporary offices are not required. Contractor must provide access to any FAA personnel, as requested, throughout the project.

•Can FAA Second floor offices be used for these purposes?

See above. Temporary offices are not required.

Section 5:

•During site visit we saw water service provision at condensing unit’s pad. Can we use this provision for general cleaning purposes?

Contractors may use on-site water for general cleaning; however, Contractor is responsible to remove all debris.

•We will be requiring power at condensing unit location for refrigerant recovery and vacuum dehydration of refrigerant circuits. Can we use power from existing disconnect switches?

Contractor may use readily available power at the facility; however, the FAA is not responsible for any delays caused by any potential loss of power.

Section 8:

•Please clarify which areas were found with lead containing coatings or lead contaminated surfaces. Please provide report if possible.

See attached report.

Design:

•Please provide list of all existing electrical equipment for both the first and second floor, with quantities and heat rejection load.

Contractor is responsible for compiling this list. FAA expects to review the calculated heat loads during the design portion of this project.

Section 3:

Once we conduct heat load calculations chances are that we could used existing Air handling units. Can Air handling units be re-use?

Existing air handling units are to be replaced during this project.

Are low ambient control applicable to weather conditions on site?

Low ambient controls are required for new HVAC equipment.

Same goes with second floor duct system, can it be re-use? Section 5:

Second floor ductwork may be re-used, depending on new HVAC system equipment selection. Contractor will be expected to ensure any portions to be re-used will be compatible with new HVAC equipment/airflow.

Can we get information GFE OAS HVAC System controller prior to bid date? Section 6:

See attached documentation.

Please confirm that the handrail at mechanical yard area, (condensing units pad), needs to be considered to be replace?

Contractor shall evaluate this area to ensure new equipment installed in this location will have all required clearances and meet all required standards. If the handrail does not require any modifications to meet the applicable codes, then the handrail will not be replaced.

Please confirm that mechanical yard structure can be re-use? Section 6a:

Contractor shall evaluate this area to ensure new equipment installed in this location will have all required clearances and meet all required standards. If the area does not require any modifications to meet the applicable codes, then the handrail will not be replaced.

Can we use existing condensing unit yard (base) supports and just add requested fence to it?

This is one potential solution. Contractor would need to evaluate supports to ensure this solution is acceptable. Debris is also blown under the facility into the condensing unit area, so this would also need to be addressed to protect the HVAC equipment.

Demolition:

Section 1d:

Who will be performing the commissioning of the HVAC systems?

Contractor is responsible for performing and documenting all commissioning of the HVAC systems.

Is it a combination of Contractor/CO/Cor and FAA RE, or do we need to hire and independent commissioning Engineering Company?

Contractor is responsible for hiring the appropriate personnel to perform commissioning.

FAA will not be providing these services.

Do we need to provide temporary HVAC system?

Yes, Contractor is responsible for providing temporary conditioned air for areas impacted by construction.

Installation:

Section 1a:

Can we get GEF OAS HVAC Controller information prior to bid date?

See attached documentation.

Section 1b:

What type of stainless steel is required for exterior hardware? SST 316, 304?

304 stainless steel is the minimum standard.

Section 2:

Is CAI and FAA will be conducted concurrently?

FAA will be working with the Contractor to perform the CAI.

Electrical:

Section 3d:

During site visit heavy duty disconnect switches were in good conditions. Are they NEMA3R? If so, can we re-use them?

Existing heavy duty disconnect switches can be re-used.

In the event that temporary HVAC units are required to avoid interruptions to FAA operations while construction, Will FAA/Government provided temporary power for these temporary units?

Contractor shall plan for this during the design portion of the project. FAA power may be used, if available, however, Contractor is responsible for providing any new breakers, conductors, labor, etc.

to make the connections available.

Testing and balance:

Section d:

On facilities second floor, whether we used existing ductwork or replace it with a new one, and that the duct system will be inside the air-conditioned space thus any leak of air will not affect system operation. Please clarify.

Need more information to properly address this question.

1. Scope of Work asks for a full heat load analysis of the facility to determine all HVAC requirements (e.

g. heating, cooling, dehumidification, etc.). The set of drawings provided have a Mechanical Equipment Schedule with specifications of the Air Handling and Condensing Units to be installed. Is a full heat load analysis of the facility really required?

The set of drawings being referenced are from the previous HVAC project and are provided to detail the existing system. These drawings do not specify any mechanical equipment to be replaced during this project. HVAC equipment at the site has been failing at a very rapid rate. A full heat load analysis is required to ensure proper loading.

2. If a full heat load analysis of the facility is required additional information is needed from the FAA.

The following information is needed:

a. Drawings with dimensions of the structure as it is at present.

See drawing SO-D-103405-C03 for details. Facility has recently added approximately 1-1/2” thick closed-cell insulation to the interior side of all exterior walls (see attached product information).

b. Construction details of the exterior walls of the structure as they are at present.

c. See drawing SO-D-103405-C03 for details. Facility has recently added approximately 1-1/2” thick closed-cell insulation to the interior side of all exterior walls (see attached product information).

c. Heat produced by existing equipment and lighting inside the building on each floor level.

Contractor is responsible for determining all heat loads at the facility. FAA expects to review the calculated heat loads during the design portion of this project.

d. Desired Temperature and Per Cent of Relative Humidity parameters on first and second level.

Desired temperature: 73 deg F +/- 2 deg F Desired relative humidity: 35% to 50%

Please confirm if the above requested information will be made available to the Contractor or an As Built of the existing structure and further investigation of all the equipment inside the structure shall be considered as part of the total cost of our Proposal.

3. Drawing M001 shows Detail 2/M00 “New Grating Layout” with New Concrete Supports. The existing structure where the new condensing units will be installed have already concrete supports. And there are no instructions to build a new structure or repairs required to the structure where the new condensing units will be installed. Please clarify.

Drawing M001 is from a previous HVAC project and is provided to show the existing system installation.

Contractor shall evaluate this area to ensure new equipment installed in this location will have all required clearances and meet all required standards.

4. Item Number 1 of the Key Installation Notes on Drawing M003 asks to supply and install grating platform per Appendix “A” in the Specifications. Appendix “A” was not found on the provided documents. Can the Appendix “A” or specifications of the required grating be provided?

Drawing M003 is from a previous HVAC project and is provided to show the existing system installation, not detail work to be accomplished on this project.

5. Drawing M006 shows detail 1/M004 “Duct Layout” connected to AHU Units 1,2 and 3. It looks as if the drawing is illustrating the Second Level in which the AHU to install there are Numbers 3,4 and 5.

Please clarify.

Drawing M006 is from a previous HVAC project and is provided to show the existing system installation, not detail work to be accomplished on this project.

6. Drawing M006 shows detail 1/M004 “Duct Layout” shows air distribution ductwork where new diffusers will be installed. Actually, the second level have air distribution ductwork installed. Will the existing ductwork be reused, or the existing ductwork needs to be removed and new ductwork be installed?

Drawing M006 is from a previous HVAC project and is provided to show the existing system installation, not detail work to be accomplished on this project. Second floor ductwork may be re-used, depending on new HVAC system equipment selection. Contractor will be expected to ensure any portions to be re-used will be compatible with new HVAC equipment/airflow.

7. Scope of work asks to: “ design an install a wind fence to protect any outdoor equipment from high winds and debris.”

a. Are the new condensing units the only equipment to protect with the requested fence?

The intent of the fence is to protect any HVAC equipment placed outdoors.

b. There is no Basis of Design or Guideline for the requested fence. Is the Puerto Rico Building

Cod requirement for wind velocity the only parameter to consider in the fence design?

Code requirements will depend on size and location of fence. FAA will need to review design to fully answer this question.

c. What type of mesh (Perforated Metal, Wire Mesh, Expanded Metal, opening of mesh, etc.)

is desired?

Contractor shall specify the type of mesh that will work best for this application. FAA will review Contractor’s fence design.

d. Please define the height of the fence (A sketch of a possible fence alternative is included for your convenience.).

Contractor shall determine the height of the fence required. FAA will review Contractor’s fence design.

8. We would like to request that the proposed date to submit the proposal of August 4, 2021, be changed to at least 10 days after all the questions and or clarifications are received.

9. Please provide Plans of existing HVAC conditions and Proposed work to be done.

This is a design-build project. Contractor will submit the design for FAA review.

Height Above Pllatform ??

Height Above Platform ??

Height Above Platform ??

10. What Standard should the Anti corrosive treatment comply with?

The FAA will not specify a specific anti-corrosion treatment for the coils to avoid directing the Contractor to a sole source. Anti-corrosion treatments for coils is a standard option for several equipment manufacturers with similar results.

11. Please clarify if bid bond or payment and performance bond is required for this solicitation. Payment

& performance bond is required.

12. Please provide details of the disconnect switch to be replaced.

Existing heavy-duty disconnects can be re-used.

13. Please clarify the linear distance between the disconnect location of each HVAC equipment and the HVAC Equipment it feeds.

This shall be determined by the Contractor during the design portion of the project.

14. Please indicate the linear distance between the disconnect switches and the Main Distribution panel.

15. Can we relocate the thermostat?

It is unclear which thermostat this is referencing. Contractor shall install FAA provided OAS HVAC controller for all HVAC systems supporting an equipment space.

16. Can we change the base of the capacitors or it needs to be replaced?

17. We are considering in reusing the cooling pipe or refrigeration. Is this acceptable?

Refrigerant and copper piping shall be replaced.

Additionally, if you may be so kind to clarify; the SOW only states that the contractor shall design and install (part C. Design, #8 ). I would like to be clear if the designs need to be certified by an engineer or a local designer?

All drawings, specifications, etc. issued for construction shall be signed and sealed by a licensed professional engineer practicing within the applicable discipline for each signed and sealed item.

Professional licensing specifically for Puerto Rico is not required.

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AHU #5 DISCONNECT

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PICO DEL ESTE (QJQ) PR

John M. Taylor IV

SENIOR ENGINEER, SURVEILLANCE/WEATHER PLATFORM

Jeffrey A. Jones

MANAGER, PLATFORM OPERATIONS, SURVEILLANCE/WEATHER

04-28-2003

SO-D-103405-C03 .

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S0049896 SP036000 July 24, 2003 - 2:05 PM

CENTER

IMPLEMENTATION

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Reflects FAA MicroStation Drawing Standards for DMS2000

DEPARTMENT OF TRANSPORTATION

FEDERAL AVIATION ADMINISTRATION

SOUTHERN REGION ATLANTA, GEORGIA 30320

DESCRIPTION CHECKED APPROVEDREV.LTR. DATE

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OAS

2.5 Version 2/19/2018

OAS

2.5

User’s Guide

OAS

2.5 User’s Manual

Table of Contents

General Information

Manufacturer

Definitions

Quick Reference

Installation

5.1 Physical Installation

5.2 Electrical Requirements

5.3 Connections

Operation

6.1 Introduction

6.2 User Inputs

6.3 System Status Lights

6.4

Operational States

6.5

Sequence of Operations

Troubleshooting

Parts List

Schematics

Appendixes

A Thermostat Setup

B

OAS

Functional Test

OAS

2.5 User’s Manual

Table of Contents

General Information

Manufacturer

Definitions

Quick Reference

Installation

5.1 Physical Installation

5.2 Electrical Requirements

5.3 Connections

Operation

6.1 Introduction

6.2 User Inputs

6.3 System Status Lights

6.4

Operational States

6.5

Sequence of Operations

Troubleshooting

Parts List

Schematics

Appendixes

A Thermostat Setup

B

OAS

Functional Test

OAS

2.5 User’s Manual

General Information:

This user manual is intended to accompany the

OAS

2.5

HVAC

Controller.

The

OAS

HVAC

controller is a

FAA

designed

HVAC

controller for use at critical

FAA

facilities that require reliable redundant

HVAC

control.

The

OAS

is a simple yet robust control system which captures specific operational criteria important to

NAS

equipment.

Some of these features are listed below:

1. Redundant control of

HVAC

Units

2. Primary Unit Selection

3. Adjustable Set Points

4. Automatic Unit Switch Over

5. System Status Lights

6. Audible and Visual Alarms

7. Audible Alarm Silence

8. Simplified Troubleshooting

9. Commercially Available Replacement Parts

10. Ease of Use and Reparability

11. ERMS

compatibility

Manufacturer Information:

The

OAS

2.5 was designed by

NDP

Infrastructure Engineering (Jonathan Salter, 202.744.1408) and manufactured by:

The

FAA

National Staging Area

(AJW-‐2C15P)

S.

Geospace Dr

Independence, MO

64056

Ph:

(816) 329-‐3970 http://stagingarea.faa.gov

OAS

2.5 User’s Manual

Definitions:

Dehumidify

The mechanical process of reducing the air humidity.

OAS

Overtemp Automated System

FAA

specific controller that provides control to a Unit, fully redundant

HVAC

system.

These systems are typically associated with unoccupied electrical equipment rooms.

Overtemp Condition where the room temperature becomes greater than what is considered acceptable for a normally operating

HVAC

Unit.

An Overtemp situation indicates that the selected

HVAC

Unit is not functioning properly.

Set Point

The manually inputted temperature setting for an associated thermostat.

Relay

Electronic device that when activated, allows current to pass through.

Room Temperature Actual Current Temperature of the Equipment Room as measured by the

OAS.

OAS

2.5 User’s Manual

OAS

Quick Reference:

Figure 1:

OAS

Quick Reference

Alarm:

Red Visual

Alarm Light and

Audible Alarm

System Status Lights

Indicate the presence of Control Power and a call for operation for both

HVAC

Units

Room Temperature

Control Thermostat

(T1) Provides Control to the Active

HVAC

Unit.

Setpoint input for the desired room temperature

Room Overtemp

Thermostat (T2)

Setpoint input for the overtemp switchover

Primary Unit Selector

Switch Manual control point for the selection of the desired primary Unit

Audible Alarm Silence

When the controller is in Alarm, this button silences the audible alarm tone.

Overtemp Reset

Button Resets the

Controller from an

Alarm

OAS

2.5 User’s Manual

Installation:

5.1 Physical Installation:

The

OAS

is contained within a 10”x16”x5” electrical box.

The box contains mounting holes for attaching the box to a supporting wall or stand.

The controller should be mounted at chest level in a central location where the ambient temperature is representative of the room.

Locating the unit on an uninsulated outside wall, near equipment exhaust, or in a stagnant air area may cause the system to operate inefficiently.

If space is not available for the

OAS

in a preferred location, a separate remote temperature sensor option can be added.

of these sensors are required, one for each thermostat on the

OAS.

The sensors must be setup within the thermostat settings.

Use of remote sensors should be limited to the greatest extent possible.

Buttons, thermostats and switches shall be accessible and warning light shall be generally visible within the associated room.

Allow for 3’ of clearance from the face of the control box per the latest revision of the

NEC.

5.2 Electrical Requirements:

All requirements of the most current revisions of

FAA-‐STD-‐19

and

FAA-‐C-‐1217

shall be followed.

All associated control wires run between the Controller and

HVAC

Units shall be contained within conduits.

Any outdoor conduit runs shall be rigid type with threaded connections or liquid-‐tite flexible conduit.

The

OAS

is powered by low voltage

24VAC,

supplied by the associated

HVAC

Units.

To fully isolate power from the controller, each

HVAC

must be electrically disconnected.

The

OAS

does not require a separate power circuit and the only energized power within the controller will be the

24VAC

provided from the

HVAC

Units.

Warning:

When attaching or changing wired connections within the

OAS,

ensure power is electrically isolated from

BOTH

HVAC

Units.

Failure to do so may cause sparks, damage to the

OAS,

damage to the

24VAC

Transformers in the

HVAC

units, and/or personal injury.

OAS

2.5 User’s Manual

Installation:

5.1 Physical Installation:

The

OAS

is contained within a 10”x16”x5” electrical box.

The box contains mounting holes for attaching the box to a supporting wall or stand.

The controller should be mounted at chest level in a central location where the ambient temperature is representative of the room.

Locating the unit on an uninsulated outside wall, near equipment exhaust, or in a stagnant air area may cause the system to operate inefficiently.

If space is not available for the

OAS

in a preferred location, a separate remote temperature sensor option can be added.

of these sensors are required, one for each thermostat on the

OAS.

The sensors must be setup within the thermostat settings.

Use of remote sensors should be limited to the greatest extent possible.

Buttons, thermostats and switches shall be accessible and warning light shall be generally visible within the associated room.

Allow for 3’ of clearance from the face of the control box per the latest revision of the

NEC.

5.2 Electrical Requirements:

All requirements of the most current revisions of

FAA-‐STD-‐19

and

FAA-‐C-‐1217

shall be followed.

All associated control wires run between the Controller and

HVAC

Units shall be contained within conduits.

Any outdoor conduit runs shall be rigid type with threaded connections or liquid-‐tite flexible conduit.

The

OAS

is powered by low voltage

24VAC,

supplied by the associated

HVAC

Units.

To fully isolate power from the controller, each

HVAC

must be electrically disconnected.

The

OAS

does not require a separate power circuit and the only energized power within the controller will be the

24VAC

provided from the

HVAC

Units.

Warning:

When attaching or changing wired connections within the

OAS,

ensure power is electrically isolated from

BOTH

HVAC

Units.

Failure to do so may cause sparks, damage to the

OAS,

damage to the

24VAC

Transformers in the

HVAC

units, and/or personal injury.

OAS

2.5 User’s Manual

5.3 Connections:

The

OAS

controller has connections identical to most modern thermostats, and therefore wiring the controller is similar.

Each installation may vary slightly, however the basic premise remains the same.

Inside the box, there are separate terminal strip areas, one for each unit.

They should appear similar to the picture below:

Figure 2:

OAS

Wiring Terminals

These connections are in accordance with industry standard, and are compatible with the vast majority of

HVAC

equipment.

The symbols are defined below for reference:

Symbol Description Standard Wire Color

R Control Power

(24VAC)

from associated

HVAC

Unit Red

Y1 Stage Cooling, control point Yellow

Y2 Stage Cooling, control point Blue

W Heat, control point White

G Fan (Supply Air Blower) Green

C Common or Neutral Brown

Wire colors and symbols may vary slightly depending on manufacturer

A single line diagram is shown on the next page for a simple packaged unit installation.

Each facility should be provided with a site specific control drawing that depicts the actual configuration.

The diagram contained in this manual shall be used for reference only.

Unit

Connections

Unit

Connections

OAS

2.5 User’s Manual

Figure 3:

Typical Control Wiring

OAS

2.5 User’s Manual

Operation:

6.1 Introduction:

The

OAS

is delivered configured, tested, and ready for the operation of a Unit, fully redundant, dual stage, cooling only, HVAC

System.

However, if a thermostat is replaced or for some other reason the thermostat needs to be reset, the required parameters are provided in “Appendix A” to assist in reprograming.

The

OAS

utilizes the Honeywell VisionPro Thermostat.

This model has a touch screen, and provides various capabilities that allow the

OAS

to be more robust and flexible while also providing a simple operational interface.

The diagram below explains the basic operation of this thermostat:

Figure 4:

Thermostat Quick Reference

Heating:

If the associated

HVAC

system includes heat, the

SYSTEM

setting on T1 (upper thermostat) only can be changed to “Auto”.

In this setting, the

OAS

will provide automatic switchover from cooling and heating as needed on the active unit.

The T2

(lower thermostat)

SYSTEM

setting must always be set to “Cool” regardless of the system configuration.

Current

Temperature

FAN

Menu Sets fan mode.

Set to

“On”

SYSTEM

Menu

Sets System

Setting.

Default is

“Cool”

Current System

Mode

Set Point

Adjusted with Up

Down Arrows

OAS

2.5 User’s Manual

6.2 User Inputs:

The

OAS

Controller has basic inputs:

Room Set Point The Desired Room Temperature To set, adjust the set point of the T1 (upper) thermostat.

This will be the temperature that the

OAS

will try to maintain the room at within a few degrees.

Recommended Set Point:

70°

Overtemp Set Point The Unit Failure Temperature To set, adjust the set point of the T2 (lower) thermostat.

This will be the temperature where the controller assumes the selected primary unit has failed, and will switch to the back-‐up unit.

Recommended Set Point:

80°

Primary Unit Selection The Unit that will operate as Primary To set, move the selector switch to the desired unit number.

Whichever unit is selected will be the operational unit unless the

OAS

is in Alarm.

To ensure similar run times on both

HVAC

Units, this selector switch should be toggled at regular intervals.

Recommended Interval:

Monthly

Care should be taken in selecting the Room and Overtemp Set Points.

Selecting a Room Temperature that is too low may result in Unit failure.

Additionally, selecting an Overtemp Temperature that is too close to the Room Temperature set point may cause the

OAS

to alarm during normal operation.

To prevent these issues, do no set the Room Temperature below 68°, and ensure the Overtemp Set Point is at least 6° higher than the Room Set Point.

6.3 System Status Lights:

There are status lights on the

OAS

which are intended to provide quick visual information to the user.

The lights are split up by

HVAC

Units so there are statuses shown per unit.

An illuminated power light indicates that the associated

HVAC

Unit is providing control voltage.

An illuminated Run Light indicates that the associated

HVAC

unit is active.

This light does not indicate that the unit is actually cooling, only that if cooling is called for, this is the unit that should cool.

Under normal operation, the Power lights for each unit should be illuminated, and the

Run light for the selected primary unit should be illuminated.

UNIT

UNIT

POWER

RUN

OAS

2.5 User’s Manual

6.4 Operational States:

Normal Operation:

The T1 (upper) thermostat will control the selected primary unit directly.

Only the primary unit will be allowed to run and maintain the room at the Room Set

Point.

Unit Failure:

If the primary unit fails for any reason, it will not be able to maintain the Room

Set Point.

Once the room temperature climbs above the Overtemp Set Point, the

OAS

will alarm.

During alarm, a red light will illuminate on top of the controller, the Alarm

Silence button will illuminate, and a loud alarm tone will sound from the controller.

When in alarm, the

OAS

will shutdown the selected primary unit, and T1 will begin controlling the back-‐up unit directly.

Only the back-‐up unit will be allowed to operate.

Since T1 is now controlling the back-‐up unit, the room temperature should return back to the Room Set Point.

Alarm Silence

To silence the audible alarm, press the Alarm Silence button once.

The red alarm light on the top of the controller and the light in the Alarm Silence button will remain illuminated.

Reset:

To reset the

OAS

controller from an alarm condition, press the Reset Button.

This will resume normal operation of the

OAS

controller.

If the room temperature is above the Overtemp Set Point, the Reset button will not function.

The room temperature must be below the Overtemp Set Point to reset.

Note:

The

OAS

does not monitor specific conditions in each

HVAC

unit and an alarm only indicates that the

Temperature in the room exceeded the Overtemp Set Point while the selected primary unit was active.

Upon an alarm, a technician should perform a deeper evaluation into why the selected unit was not able to maintain the Room Set Point.

OAS

2.5 User’s Manual

6.4 Operational States:

Normal Operation:

The T1 (upper) thermostat will control the selected primary unit directly.

Only the primary unit will be allowed to run and maintain the room at the Room Set

Point.

Unit Failure:

If the primary unit fails for any reason, it will not be able to maintain the Room

Set Point.

Once the room temperature climbs above the Overtemp Set Point, the

OAS

will alarm.

During alarm, a red light will illuminate on top of the controller, the Alarm

Silence button will illuminate, and a loud alarm tone will sound from the controller.

When in alarm, the

OAS

will shutdown the selected primary unit, and T1 will begin controlling the back-‐up unit directly.

Only the back-‐up unit will be allowed to operate.

Since T1 is now controlling the back-‐up unit, the room temperature should return back to the Room Set Point.

Alarm Silence

To silence the audible alarm, press the Alarm Silence button once.

The red alarm light on the top of the controller and the light in the Alarm Silence button will remain illuminated.

Reset:

To reset the

OAS

controller from an alarm condition, press the Reset Button.

This will resume normal operation of the

OAS

controller.

If the room temperature is above the Overtemp Set Point, the Reset button will not function.

The room temperature must be below the Overtemp Set Point to reset.

Note:

The

OAS

does not monitor specific conditions in each

HVAC

unit and an alarm only indicates that the

Temperature in the room exceeded the Overtemp Set Point while the selected primary unit was active.

Upon an alarm, a technician should perform a deeper evaluation into why the selected unit was not able to maintain the Room Set Point.

OAS

2.5 User’s Manual

6.5 Sequence of Operation:

OAS

2.5 User’s Manual

Troubleshooting:

Problem

Check Condition Potential Cause Corrective Action

Power light is not illuminated for a unit.

(If power light is not illuminated for the backup unit, make the backup unit the primary and perform these steps.

If the power light illuminates in only one mode, perform the

System Test in App B)

• 24VAC

present at the R terminal for the associated

Unit?

• 24VAC

is present at R terminal

• Lose Connection

Check

Connections within the

OAS

to ensure there are no loose wires or short circuits

• Tighten and/or secure loose connections as needed.

• Bad Relay

Perform System

Test in Appendix B to ensure all

Relays are operational

• Replace Defective

Relay (see parts list)

• Bad

LED

Check

LED

operation by applying

24VAC

across contacts.

• Replace

LED

bulb

(see parts list)

• 24VAC

is not present at R terminal

• Unit is electrically isolated.

• Check breakers and disconnects for the associated Unit.

• Check Associated

Unit Control

Power

24VAC

output

Measured between terminals R and C terminals in the

Unit.

• Check control transformer for a fuse or built in circuit breaker.

If no

CB

or fuse are present, and transformer is not outputting

24VAC,

Replacement of the transformer may be required.

Run light is not illuminated for the selected unit.

• Is

OAS

is in Alarm?

OAS

is in Alarm.

• When in Alarm, the “Run Light” should be illuminated for the back-‐up Unit and not the selected Unit.

• Reset

OAS

and troubleshoot the selected unit.

• Is the

FAN

setting on T1 set to “On”?

• FAN

Setting set to

“Auto”.

• The Run light is tied directly to the call for indoor fan.

In “Auto” setting, the Run light will only illuminate during a call for cooling.

• It is recommended that the fan be run continuously on the active Unit.

Change

T1

FAN

Setting to

“On”.

FAN

Setting set to

“On”

• Bad

LED

Check

LED

operation by applying

24VAC

across contacts.

• Replace

LED

bulb

(see parts list)

OAS

2.5 User’s Manual

Problem Check Condition Potential Cause Corrective Action

Sporadic clicking sounds while opening the

OAS

Panel

N/A

• Relays are engaging/disengaging randomly as

OAS

door is moving.

• Short or loose connection in

Wiring Bundle between panel door and relay board

• Inspect for loose connections and repair as needed.

• Request

Replacement

Controller from

Staging Area.

OAS

is in Alarm and will not reset

Is Room

Temperature above

Overtemp Setpoint

(T2)?

• Room Temperature is above Overtemp

Setpoint.

• OAS

Alarm cannot be reset when the conditions would immediately put it back into Alarm.

• Alternate Units, ventilate, and/or add temporary cooling to bring down the room temperature.

• Room Temperature is below Overtemp

Setpoint.

• T2 may be in a time delay function

• Allow some time for T2 to reset (5 minutes max) and retry.

Upper thermostat

(T1) isn’t functioning.

Is the Power Light illuminated for the selected unit?

• Power Light is On

• Bad Thermostat or other

OAS

Component

Perform System

Test in Appendix B to ensure all components are operational

• Replace Defective part (see parts list)

• Power Light is Off

• OAS

is not receiving control power from the selected unit.

• Perform troubleshooting steps for “Run light is not illuminated for the selected unit.”

above.

Lower thermostat

(T2) isn’t functioning.

Is the Power Light illuminated for the back-‐up unit?

• Power Light is On

• Bad Thermostat or other

OAS

Component

Perform System

Test in Appendix B to ensure all components are operational

• Replace Defective part (see parts list)

• Power Light is Off

• OAS

is not receiving control power from the backup unit.

• Perform troubleshooting steps for “Run light is not illuminated for the selected unit.”

above.

OAS

2.5 User’s Manual

Problem Check Condition Potential Cause Corrective Action

Sporadic clicking sounds while opening the

OAS

Panel

N/A

• Relays are engaging/disengaging randomly as

OAS

door is moving.

• Short or loose connection in

Wiring Bundle between panel door and relay board

• Inspect for loose connections and repair as needed.

• Request

Replacement

Controller from

Staging Area.

OAS

is in Alarm and will not reset

Is Room

Temperature above

Overtemp Setpoint

(T2)?

• Room Temperature is above Overtemp

Setpoint.

• OAS

Alarm cannot be reset when the conditions would immediately put it back into Alarm.

• Alternate Units, ventilate, and/or add temporary cooling to bring down the room temperature.

• Room Temperature is below Overtemp

Setpoint.

• T2 may be in a time delay function

• Allow some time for T2 to reset (5 minutes max) and retry.

Upper thermostat

(T1) isn’t functioning.

Is the Power Light illuminated for the selected unit?

• Power Light is On

• Bad Thermostat or other

OAS

Component

Perform System

Test in Appendix B to ensure all components are operational

• Replace Defective part (see parts list)

• Power Light is Off

• OAS

is not receiving control power from the selected unit.

• Perform troubleshooting steps for “Run light is not illuminated for the selected unit.”

above.

Lower thermostat

(T2) isn’t functioning.

Is the Power Light illuminated for the back-‐up unit?

• Power Light is On

• Bad Thermostat or other

OAS

Component

Perform System

Test in Appendix B to ensure all components are operational

• Replace Defective part (see parts list)

• Power Light is Off

• OAS

is not receiving control power from the backup unit.

• Perform troubleshooting steps for “Run light is not illuminated for the selected unit.”

above.

OAS

2.5 User’s Manual

Parts List:

QTY

Description Make/Model Part No

EA

Thermostat Honeywell VisionPro

HW-‐TH8321-‐R1001

AS

Selector Switch Eaton Switch

EA

10250T3011

Contact

EA

10250T1

EA

Indicator Lights Grainger 24M067

AS

Push Button (Alarm Silence)

ABB

Button

EA

MP1-‐31R

Contact

EA

MCBH-‐01

LED

EA

MLBL-‐01R

AS

Push Button (Reset)

ABB

Button

MP1-‐30R

Contact

MCBH-‐01

EA

Relay

IDEC

RH-‐4B-‐UL

AC24V

Optional Parts:

QTY

Description Make/Model Part No

EA

Wireless Remote Sensors Honeywell C7189R

OAS

2.5 User’s Manual

Schematics:

OAS

2.5 User’s Manual

OAS

2.5 User’s Manual

Appendix A

Appendix A

T1 (Top):

Installer Setup:

Application Commercial Thermostat Name Thermostat Zoned No Equipment Module No Connect Redlink No Installer Setup

NEXT

Thermostat Type Non-‐ Programmable Temperature Scale Fahrenheit Outdoor Air Sensor No Heating System None (Cool Only) Cooling Stages A-‐L/A Terminal None Control Options Basic Cool/Compressor

CPH

Stg Cool/Compressor

CPH

Stg Compressor Off time Off Extended Fan Run Time in Cool Off Min Cool Setpoint Keypad Lockout Unlocked Wired Sensor on S Terminal No Filter Type:

Media Number of Filters Air Filter Reminder Off Humidifier Type None Humidifier Pad Reminder Off Dehumidifier None Defumidifier Filter Reminder Off Ventilation Type None Ventilation Filter Reminder Off Number of

UV

Devices None Custom Reminder

NEXT

Backlighting On Demand Clock Format 12hr Daylight Savings Time Off Indoor Temp Offset Indoor Humidity Offset Alert Light Indicator On Dealer Name

NEXT

Dealer Phone

NEXT

Dealer Email

NEXT

Dealer Website

NEXT

Dealter Message

NEXT

DONE

Exit Installer Setup

YES

T2 (Bottom):

Installer Setup:

Application Commercial Thermostat Name Thermostat Zoned No Equipment Module No Connect Redlink No Installer Setup

NEXT

Thermostat Type Non-‐ Programmable Temperature Scale Fahrenheit Outdoor Air Sensor No Heating System None (Cool Only) Cooling Stages A/L/A Terminal Off Control Options Basic Cool/Compressor

CPH

Stg Compressor Off time Off Extended Fan Run Time in Cool Off Min Cool Setpoint Keypad Lockout Unlocked Wired Sensor on S Terminal No Filter Type:

Media Number of Filters Air Filter Reminder Off Humidifier Type None Humidifier Pad Reminder Off Dehumidifier None Defumidifier Filter Reminder Off Ventilation Type None Ventilation Filter Reminder Off Number of

UV

Devices None Custom Reminder

NEXT

Backlighting On Demand Clock Format 12hr Daylight Savings Time Off Indoor Temp Offset Indoor Humidity Offset Alert Light Indicator On Dealer Name

NEXT

Dealer Phone

NEXT

Dealer Email

NEXT

Dealer Website

NEXT

Dealter Message

NEXT

DONE

Exit Installer Setup

YES

Main Screen Settings:

SYSTEM:

COOL

FAN:

ON

OAS

2.5 User’s Manual

B

Appendix B

Relay Operation Check:

Note:

This test confirms the proper operation of the

OAS

controller.

This test is best performed using isolated

24VAC

power sources as shown below.

Test can be performed using control power from the

HVAC

Units, but this test will cause non-‐continuous operation of the units, so care must be taken to ensure the equipment space remains at a desirable temperature.

During Test, note any inconsistencies from the expected checks and utilize this information for troubleshooting faulty components or other issues.

OAS

2.5 User’s Manual

B

OAS

2.5 User’s Manual

B

OAS

2.5 User’s Manual

B

OAS

2.5 User’s Manual

B

OAS

2.5 User’s Manual

B

OAS

2.5 User’s Manual

B

OAS

2.5 User’s Manual

B

OAS

2.5 User’s Manual

B

OAS

2.5 User’s Manual

B

Forma P GC-009

GOBIERNO DE PUERTO RICO

OFICINA DEL GOBERNADOR

JUNTA DE CALIDAD AMBIENTAL

Área de Calidad de Agua

CERTIFICACION DE NO PRESENCIA DE ASBESTO

EN ESTRUCTURAS A DEMOLERSE

(Deberá completarse en letra de molde o impresa)

PGC-_____________________

PARA USO OFICIAL

(Nombre) (Estado Civil) (Municipio)

Dirección Postal__________________________________ _________________________________________________ demolición se encuentra libre de asbesto.

2. La información antes indicada es cierta y correcta.

3. Afirmo y reconozco las consecuencias de incluir y someter información falsa en este documento.

(Municipio)

Firma y Sello del Profesional o

Firma del Inspector de Asbesto registrado por la JCA (Original)

Nota: Ingenieros o Arquitectos deberán someter evidencia de que se encuentra al día en el pago de sus cuotas de colegiación e Inspectores de Asbesto deberán someter evidencia de la tarjeta de registro provista por la JCA.

Dirección Física: Ave. Ponce de León 1308, Carr. Estatal 8838, Sector el Cinco, Río Piedras, PR 00926

Dirección Postal: Apartado 11488, Santurce, PR 00910-

Elme Rivera Casado Yo, ______________________________, mayor de edad,______________, y vecino de__ _______________________ Vega Baja

Vega Baja Lakes Calle 11 L31 00693

(Pueblo) (Zip Code)

Vega Baja

787 724 5788

969 1311 787 722 0220

4. Para que así conste, firmo la presente certificación en ___________________ __________________ de Puerto Rico, Tel. (787) 767-8181 • Fax (787) 767-1962 hoy día ____ de ____________________ de ________

Teléfonos: Residencial (______) ______- ________ Oficina (______) ______- ________ Ext.________ Fax (______) ______- ________

Certifico que:

1. La estructura localizada en__________________________________________________, la cual será objeto de una

* Esta certificacion es exclusivamente para las areas muestreadas.

San Juan

8 abril 2021

Appendix I

Appendix II

TESTING

ANALYTICAL ENVIRONMENTAL SERVICES INTERNATIONAL, INC.

POLARIZED LIGHT MICROSCOPY (PLM) BULK SAMPLE ANALYSIS REPORT

REPORT NUMBER

RP21040702

Comments:

FOR ALL HETEROGENEOUS AND LAYERED SAMPLES EASILY SEPARATED INTO SUBLAYERS, EACH COMPONENT IS ANALYZED AND REPORTED SEPARATELY.

SAMPLE WAS ANALYZED BY PLM USING DISPERSION STAINING TECHNIQUES IN ACCORDANCE WITH US EPA METHOD: 600/M4-82/020 of Dec. 1982 and 600/R-93/116 OF JULY 93.

EPA - 40 CFR APPENDIX E TO SUBPART E OF PART 763,INTERIM METHOD OF THE DETERMINATION OF ASBESTOS IN BULK INSULATION SAMPLES.

MICROANALYST:

PLM IS NOT CONSISTENTLY RELIABLE IN DETECTING SMALL CONCENTRATION OF ASBESTOS IN FLOOR TILES AND SIMILAR NONFRIABLE MATERIALS. QUANTITATIVE TEM IS CURRENTLY THE ONLY METHOD THAT CAN BE USED TO GET THE CONCLUSIVE ASBESTOS CONTENT. THIS REPORT RELATES ONLY TO THE ITEMS TESTED. THIS REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL AND NOT WITHOUT WRITTEN APPROVAL OF THE LABORATORY. THIS REPORT SHALL NOT BE USED TO CLAIM ENDORSEMENT BY NVLAP OR ANY AGENCY OF OF THE US GOVERNMENT. METHOD IS USED FOR DETERMINATION OF ASBESTOS IN BULK SAMPLES IS INTERIM METHOD FOR DETERMINATION OF ASBESTOS IN BULK INSULATION SAMPLES (EPA 600/M4-82-020) AS FOUND IN 40 CFR,PART 763, APPENDIX E TO SUBPART E.

[Elme Rivera]

Appendix III

Client Name: FAA/ESA Engineering Services 4/1/21

Project Name: Exterior Building Restoration on FAA Long Range Radar, Pico del Este Elme Rivera

Address: Rio Grande, Puerto Rico 2222

Reading # Structure Room Substrate Color Component & Location

XRF

Reading

Laboratory

Result (% or mg/cm

1 Calibration 1.0

2 Calibration 1.1

3 Calibration 1.1

4 South Exterior Building PVC Green Corrugated Panel 0.1

5 South Exterior Building Metal Green Inside Panel 0.2

6 South Exterior Building Metal Green Exterior Staircase Column 0.8

7 South Exterior Building Metal Green Exterior Staircase Handrail 0.6

8 South Exterior Building Concrete Green/Gray Exterior Staircase Base 0.4

9 South Exterior Building Metal Gray Exterior Ladder Rung 2.1

10 South Exterior Building Metal Gray Exterior Ladder Rail 2.3

11 South Exterior Building Concrete White Staircase Riser 0.1

12 South Exterior Building Concrete White Staircase Tread 0.3

13 Calibration 1.0

14 Calibration 1.0

15 Calibration 1.0

16 Radar Interior 1st Floor Metal Gray Lower Column 1.7

17 Radar Interior 1st Floor Metal White…