EPA Design Build SOW ReCx Report 05 26 10r3.pdf

ARRA Limited Scope Lighting & High Performance Building – Tune-up May 2010 EPA East West Connecting Wing Building DC0521AB, DC0522AB, DC0523AB NW Washington, DC

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PROJECT TITLE: American Recovery and Reinvestment Act (ARRA) Limited Scope High Performance Green Building Tune-up

EPA Building

12th & Constitution Avenue, N.W.

Washington, DC

PROJECT NUMBER: SDC03021

VOLUME: I of III Project Requirements

SUBMIT PROPOSALS TO: GENERAL SERVICES ADMINISTRATION

PUBLIC BUILDINGS SERVICE

NATIONAL CAPITOL REGION

GSA CONTRACT OPERATIONS

1100 PENNSYLVANIA AVE., NW #316

WASHINGTON, DC 20004-2501

SENSITIVE BUT UNCLASSIFIED (SBU)

PROPERTY OF THE UNITED STATES GOVERNMENT

COPYING, DISSEMINATION, OR DISTRIBUTION OF THESE DRAWINGS, PLANS,

OR SPECIFICATIONS TO UNAUTHORIZED USERS IS PROHBITED

Do not remove this notice Properly destroy documents when no longer needed

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Volume 1

TABLE OF CONTENTS

RFP Design Build Scope of Work

Section 1 - Introduction

1. Project Summary 4

2. Contract Documents 4

3. Contract Type 4

4. Project Goals 4

5. Project Site 5

6. Project Details – Base ECMs & Optional ECMs 5

7. Performance Specifications 10

Section 2 - Professional Services 78

Section 3 - Construction Services 87

Section 4 - Contract Administration and Bid Analysis 88

Section 5 – Miscellaneous 93

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APPENDIX A GENERAL CONDITIONS 97

Division 1 Specifications

011000 Summary of Work 97

011400 Work Restrictions 106

012600 Options 109

013100 Project Management and Coordination 110

013200 Construction Progress Documentation 117

013300 Submittal Procedures 121

014000 Quality Control 127

014200 Reference 131

015000 Temporary Facilities and Controls 148

015950 Safety and Health and Fire Protection 152

016000 Product Requirements 158

017300 Execution Requirements 164

017700 Closeout Procedures 175

017823 Operation and Maintenance Data 181

017839 Project Record Documents 188

017900 Demonstration and Training 194

019113 Commissioning Requirements 199

020850 Asbestos Abatement Procedures 204

020900 Control of Lead-Based Paint 222

APPENDIX B LIGHTING REPORT 233

APPENDIX C RETRO-COMMISSIONING REPORT 242

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SECTION 1 - INTRODUCTION

1. PROJECT SUMMARY

• PROJECT TITLE:

ARRA Limited Scope Lighting & High Performance Green Building Tune-up

• BUILDING: EPA East West Connecting Wing Building

• BUILDING NUMBER: DC0521AB, DC0522AB, DC0523AB

• LOCATION: 12th & Constitution Avenue, NW, Washington D.C. 20004

• PROJECT CONTROL NO.: SDC03021

• GSA WORK ITEM NO.:

• ESTIMATED CONTRACT AWARD AMOUNT:

The work shall be designed and constructed as a Design-Build project.

2. CONTRACT DOCUMENTS

2.1 Document Organization: The contract documents have been organized into three volumes as follows:

A. Volume 1- Project Requirements - This document

B. Volume 2 - Project Design and Specifications: Contract Drawings and Specifications produced by the Contractor's Architect Engineer under Section 2 of Volume 1, which, when approved and accepted by the Government shall become the basis for construction work under this contract.

C. Volume 3 - Bid Forms

3. CONTRACT TYPE

3.1 See contracting documents

4. PROJECT GOALS

4.1 Goals: The goals of the project include, but are not limited to:

A. To prepare the required documentation and procure the work required.

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B. To establish work order priorities in order to carry work in a phased approach, taking into account the needs and desires of the tenant agencies and the realities of budget constraints and limitations.

C. All work disruptive to tenants shall be performed during "off-hours" (i.e. evening and night) and on weekends. The Contractor shall coordinate all work activity with the Building Manager and the Contracting Officer's Representative to ensure that proper security and access arrangements are made with minimal impact on the construction schedule. Typical hours of operation are 6 AM to 6 PM on weekdays.

D. Full compliance with all building's security regulations.

E. Provision of the necessary cutting, patching, and repair of the existing buildings.

F. Design shall be in accordance with OSHA and applicable building code requirements.

G. To preserve and enhance the cultural property.

5. PROJECT SITE

5.1 EPA Building

12th & Constitution Avenue, NW Washington, D.C. 20004

A. Site working conditions

1. No space is available for a contractor's office in the building.

2. A space, of a maximum size of 144 square feet will be made available for storage of construction materials, if allowed by GSA building manager. The construction contractor is solely responsible for the security of this area.

3. During the contractor's working hours, no parking is permitted on site, unless permitted by GSA building manager. No space will be allocated for a contractor's trailer.

4. Public toilet facilities on the service level are available to contractor personnel.

6.1 PROJECT DETAILS – Base ECM

EPA East West Connecting Wing Building

A. 1,321,706 SF/each floor approximately 150,000 SF

B. The building is comprised of a basement, seven floors of conditioned space, an eighth floor attic that houses the air handling units, as well as other mechanical equipment.

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BASE ECM TITLE DESCRIPTION

5.0 Building Automation System-

Upgrade

The existing building automation system is by Siemens. Most of the VFDs on the air handling units are switched to the “bypass” mode, running at 100% capacity, in “hand”, or completely disabled. building automation system control of the air.handling units Fans (via the VFDs) must be re-established. Although the existing BAS can communicate with the equipment, the building is being operated manually. The BAS must be upgraded with a current and capable front end computer station, and the latest version software for building automation and then re-commissioned to confirm proper control and operation of the building’s mechanical equipment.

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6.2 PROJECT DETAILS- Optional ECMs

OPTIONAL ECM TITLE DESCRIPTION

1.0 Air Handling Unit

There are 31 existing air handling units (AHUs) in the EPA East, West and Connecting Wing Buildings.

AHU-1 thru AHU-14 are variable air volume (VAV) units serving the VAV boxes in the interior of the building spaces. The known deficiencies below have been identified, but are not limited to:

AHU-15 thru AHU-20 provide 100% outside air to the fan coil units located under the windows.

With the exception of AHU-26 which is not used, AHU-21 thru AHU-31 are constant volume, single zone units that provide conditioned air to specific rooms, such as the Mellon Auditorium, Courtrooms and etc.

AHU-1 thru AHU-31 do not function properly or meet performance criteria based on the original design sequence of operation, design static pressure ranges, or air flow capacities. This is primarily due to defective ancillary control components and maintenance deficiencies. The following are known deficiencies related to the subject AHUs, but are not limited to the following:

• Approximately 30% of the actuators, sensors, air flow monitors, dampers, damper linkages, hot and chilled water valves need to be replaced.

• Dirty and restricted bag filters.

• Dirty and restricted air flow through hot and chilled water coils.

• AHU-1 thru AHU-14 outside air dampers, relief air dampers and return air dampers do not operate in the proper sequence.

• Hot water valve on AHU-11 does not respond to the BAS commands to close.

• Return fan VFDs on AHU-1 and AHU-7 do not function due to electrical component failure per facilities management personnel.

• AHU-4 has coil damage.

• AHU-14 requires insulation replacement.

The above referenced AHUs are being operated manually by facilities management personnel and are not being controlled by the building automation system due to control issues.

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2.0 VAV Boxes BAS The variable air volume boxes do not respond to commands by the Building Automation System to shut off in unoccupied mode. The fans, therefore, run constantly. Fifty percent of the VAVs tested did not operate correctly. The VAV sensors do not read airflow, which results in a 100% maximum airflow requirement from the respective air handling unit. This results in an inability to control room temperature. Each VAV needs to be tested and airflow stations repaired to provide accurate readings needed to control space temperatures.

3.0 Exhaust Fans The exhaust fans (general space and bathroom) are operated manually and are not controlled by automation. Controls issues are addressed in ECM 5.0, Building Automation System-Upgrade.

4.0 Test Adjust and Balance Test adjust and balance the HVAC system (100% sampling) after the upgraded building automation system has been verified, and any and all additions, replacements, repairs, adjustments and routine maintenance has been completed.

5.1 Night Time Set Back Night time set back control function is already in the existing BAS, and is identified as “Night Heating and Cooling Set Points”. The night heating is “Setback”, and the night cooling is “Setup”.

However, the night time heating and cooling set points are not consistent and are not in accordance the provided Sequence of Operation. Also, VAVs and FCUs are not shutting off when commanded to go to Unoccupied Mode by the BAS. Further investigation revealed that “Unoccupied Mode” did not appear to be added to the programs controlling these units, and therefore the fans run constantly. Considerable energy is saved when the building automation system automatically controls the building’s HVAC system, shutting it down during unoccupied periods-- nights, weekends, holidays. The building is being operated manually and requires reset to operation in automation, and must include night time setback.

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5.2 Add CO2 sensors for demand

controlled ventilation

CO2 sensors must be added to return air handling units (AHU#1 thru #14) to monitor the levels of CO2 concentration.

These sensors, as part of the BAS control system, will provide the data necessary to regulate the intake of outside air, and limit the exhaust of conditioned indoor air. An automated demand control ventilation strategy shall be implemented comparing indoor levels with a default level from out outdoor sensor to establish a fresh air reading.

5.3 Range Limiting Thermostats The wall thermostat temperature range should be limited by the building automation system to limit the temperature setting extremes to a 6° F range. This will reduce energy consumption.

5.4 Replace Pneumatic Controls with DDC

Replace the existing pneumatic controls with direct digital controls on valves and dampers on the HVAC system. The existing pneumatic system has a major leak, causing the pneumatic compressor to run more frequently than designed. A qualified technician should be directed to trace this out and repair the leak.

5.5 Building Automation System- Replace The existing building automation system is by Siemens. It is does not currently control the building HVAC equipment in automatic mode. A new BAS system will optimally control and monitor the building HVAC system and automatically adjust components to conditions required to assure peak operational performance and energy efficiency. The units of measure currently being utilized in the computer software are in Metric (SI). It is recommended that they be changed to English units for operator familiarity.

6.0 VFDs- Replace There are two failed VFDs as noted above on AHU#1 and AHU#7 return air fan motors. The VFD manufacturer’s representative should determine the functionality of all the VFDs-- which to replace, and which to repair on both the air and water side. DDC must be re-established.

7.0 Chiller Condenser Tube Cleaning

The chillers have scaling of the condenser tubes. This reduces the heat transfer and efficiency of the chiller operation significantly.

Cleaning should be a scheduled preventive maintenance item for all four chillers. Water treatment should be evaluated.

8.0 Motors Most of the motors are 5+ year old, and should be replaced at the time of failure with premium efficiency motors. There are approximately 300 motors ranging in size from 5 HP to 150 HP.

11.0 A/C Unit Repair

The existing A/C unit designated to control space temperature in the main electrical vault has been taken out of operation. It was reported this was done due to the addition of similar water cooled DX units to the condenser loop. This increased demand for condenser water has increased the water needed to serve all the units on the loop. The lack of conditioned air for the electrical vault creates a concern, especially in the summer months. We recommend running a separate water line to serve this unit, as the most economical solution to this issue.

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12.0 Lighting Issues (East & West Wings

only- Connecting Wing not included)

L1 Corridor Lighting Control (Timers)

L2 Basement Corridors (remove one lamp)

L3 Office Area Lighting Control

L4 Office Area Lighting controls

L5.1 Office Area Lamp Replacement

L5.2 Office Area Ballast Replacement

L6 Globe Style Corridor Fixtures

The corridor light fixtures are on 24 hours a day, 7 days a week.

Utilize timer control to minimize the number of hallway lights on during the nights and weekends.

Remove one lamp from each multi-lamp fixture in all basement corridors and return all removed lamps to building maintenance staff.

The lighting control sensors and timers do not operate correctly at all times. The wall mounted fixtures and the suspended fixtures are controlled together. The intended sequence is for the lights to be turned on manually from a special wall switch called a Sentry Switch and then an occupancy sensor is to turn them off after a specified amount of time of non-occupancy (if occupants don’t turn them off manually). Some of these controls are malfunctioning.

Remove one lamp from each multi-lamp fixture in all typical office areas. Return all removed lamps to building maintenance staff.

Replace all 4 foot T8 32 Watt lamps with T8 25 Watt lamps. Return all removed lamps to building maintenance staff.

Replace all ballasts serving 4 foot fluorescent lamps with ballasts having a ballast factor of 0.85.

The globe style fixtures in the upper corridors currently contain three lamps, three lamp sockets and three ballasts. The existing components are to be removed and replaced with one 40 Watt CFL, one socket and one lamp. Return all removed components and lamps to the building maintenance staff.

13.0 Plumbing Issues

Several pumps are leaking, several valves are frozen.

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7. PERFORMANCE SPECIFICATIONS

7.1 General: This section covers the existing building conditions and, when taken together with other sections of this volume, addresses the expectations of the GSA under this construction contract.

7.2 Existing Structure: The EPA Building was originally constructed between 1931 and 1934. It has 1,321.706 square feet of space with a central control and mechanical room located in the basement and the main HVAC equipment located in the 8th floor attic.

7.3 Scope of Work: The following are minimum requirements for the selected ECMs described above to be included in this scope of work. The design build contractor (DB) is responsible for providing complete design build services to ensure that these projects are delivered in a complete and operable function to the GSA.

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ECM-1.0 – OPTIONAL ECM AIR HANDLING UNITS

PART 1 - GENERAL REQUIREMENTS

1.1 EXISTING DOCUMENTS

1. The Design Builder shall obtain the existing documents of the facility from GSA.

1.2 REFERENCES

1. The design shall be in accordance with the Facilities Standards for the Public Buildings Services revised March 2005 – PBS-P100 and all applicable codes referenced within.

1.3 DESIGN AND ENGINEERING

1. The Design Builder shall employ qualified licensed architects and engineers to provide full engineering and design services including but not limited to construction documents and specifications.

1.4 CAD DELIVERIES

1. The engineering design shall be in accordance with the GSA “CAD Deliverable Policy”, March 1, 2005.

1.5 DEMOLITION

1. No existing work associated with this project shall remain abandoned in place within the building. Coordinate all system shutdowns with GSA prior to any action.

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1.6 EXISTING CONDITIONS

1. There are 31 existing air handling units (AHUs) in the EPA East, West and Connecting Wing Buildings.

2. AHU-15 thru AHU-20 provide 100% outside air to the fan coil units located under the windows.

3. With the exception of AHU-26 which is not used, AHU-21 thru AHU-31 are constant volume, single zone units that provide conditioned air to specific rooms, such as the Mellon Auditorium, Courtrooms and etc.

4. AHU-1 thru AHU-14 are variable air volume (VAV) units serving the VAV boxes in the interior of the building spaces. The known deficiencies below have been identified, but are not limited to items below:

5. AHU-1 thru AHU-31 do not function properly or meet performance criteria based on the original design sequence of operation, design static pressure ranges, or air flow capacities. This is primarily due to defective ancillary control components and maintenance deficiencies. The following are known deficiencies related to the subject AHUs, but are not limited to the following:

• Approximately 30% of the actuators, sensors, air flow monitors, dampers, damper linkages, hot and chilled water valves need to be addressed.

• Dirty and restricted bag filters.

• Dirty and restricted air flow through hot and chilled water coils.

• AHU-1 thru AHU-14 outside air dampers, relief air dampers and return air dampers do not operate in the proper sequence.

• Hot water valve on AHU-11 does not respond to the BAS commands to close.

• Return fan VFDs on AHU-1 and AHU-7 do not function due to electrical component failure per facilities management personnel.

• AHU-4 has coil damage- replace coil.

• AHU-14 requires insulation replacement

6. Controls issues are addressed in ECM 5.0, Building Automation System-Upgrade.

7. All the AHUs are being operated manually by facilities management personnel. They are not being controlled by the building automation system due to control issues.

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AHU-Unit # 4 Coil Damage

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AHU-14 insulation replacement required

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PART 2 - STATEMENT OF WORK

2.1 Statement of Work:

1. Replace the dampers, sensors and valves servicing the air handling units so that the units operate correctly. AHU-1 thru AHU-14 are variable air volume units, and each have an outside air damper, return air damper, and relief air damper . AHU-15 thru AHU-31 are 100% outside air units, and each only have outside air damper. Each of the above AHUs have the following ancillary components: hot and chilled water control valves; discharge air temperature sensors; return air sensors; filter PD sensors; hot and chilled water temperature sensors (central plant); and, air flow monitoring stations (associates with AHU-1 thru AHU-14 only). Contractor shall verify the performance of all associated dampers, sensors, and valves and include corrective measures as part of the scope of this project.

2. Verify performance of all associated dampers, sensors and valves. Repair, adjust, and/or replace air flow monitoring stations.

3. Replace various sensing devices (air/water flow, temperature, etc.)

4. Replace various dampers, damper linkages and damper actuators.

5. Clean, repair, adjust and/or replace various valves and/or valve actuators.

6. Replace the Bag Filters in every Air Handler, with new Bag Filters of same type and quality that are currently installed.

7. Clean- Pressure Wash- the Chilled Water and Hot Water Coils in every Air Handler.

PART 3 - PERFORMANCE SPECIFICATIONS

3.1 Testing, Adjusting and Balancing

1. Provide preparation, testing, adjusting and balancing of mechanical equipment and distribution systems including inspection and certification reports. Testing shall be performed by a member of the Associated Air Balancing Council.

3.2 Commissioning

1. There will be a third party Commissioning Authority contracted through GSA for this project, and work will be performed in accordance with the GSA Building Commissioning Guide.

2. Contractor’s tests shall be scheduled and documented in accordance with fundamental standard building commissioning services.

3. System verification testing is part of the commissioning process. Verification testing shall be performed by the contractor and witnessed and documented by the Commissioning Authority. GSA shall be notified of the time and date of any system verification testing in order to be witness to the testing.

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4. Contractor shall coordinate with the design team and the Commissioning Authority to bring resolution to non-compliant or unacceptable test results.

5. Temporary systems do not require system verification as part of the commissioning process.

3.3 Electrical

1. Work shall be performed according to all applicable codes and standards including but not limited to the NEC and NFPA.

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ECM-2.0 OPTIONAL ECM VAV BOX REPAIR

1.1 EXISTING DOCUMENTS

1. The Design Builder shall obtain the existing documents of the facility from GSA.

1.2 REFERENCES

1. The design shall be in accordance with the Facilities Standards for the Public Buildings Services revised March 2005 – PBS-P100 and all applicable codes referenced within.

1.3 DESIGN AND ENGINEERING

1. The Design Builder shall employ qualified licensed architects and engineers to provide full engineering and design services including but not limited to construction documents and specifications.

1.4 CAD DELIVERIES

1. The engineering design shall be in accordance with the GSA “CAD Deliverable Policy”, March 1, 2005.

1.5 DEMOLITION

1. No existing work associated with this project shall remain abandoned in place within the building. Coordinate all system shut downs with GSA prior to any action.

1.6 EXISTING CONDITIONS

1. The variable air volume boxes do not respond to commands by the Building Automation System to shut off in Unoccupied Mode. Therefore the fans run constantly. Fifty percent of the VAVs tested did not operate correctly. The VAVs do not read airflow, which results in a 100% maximum airflow requirement from the respective Air Handling Unit.

This results in an inability to control room temperature. Each VAV needs to be tested and airflow stations repaired to provide accurate readings needed to control space temperatures.

2. The VAV boxes that have been inspected (approx. 12 out of a total of approx. 600) do not appear to require replacement. However, replacement of the controllers needs to be completed to return units to proper control capabilities. Attached is a cutsheet of a typical differential pressure transmitter that could be used in the replacement of the controls.

3.

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4. These units do not appear to have an adequate unoccupied schedule capability. This needs to be fixed so that the VAV fans do not run continuously during Unoccupied Mode. Also, the VAV boxes are not grouped in the Building Automation System with their associated Air Handling Unit.

PART 2 - STATEMENT OF WORK

2.1 Statement of Work: There are approximately 600 VAV boxes in the EPA Building, with an estimated 50% of them not operating properly, based on the percentage inspected and tested..

Each VAV should be tested and the airflow stations repaired to provide accurate readings to the BAS Control System. Each VAV must be controlled by the BAS, and must respond to it.

PART 3 - PERFORMANCE SPECIFICATIONS

3.1 Testing, Adjusting and Balancing

1. Provide preparation, testing, adjusting and balancing of mechanical equipment and distribution systems including inspection and certification reports. Testing shall be performed by a member of the Associated Air Balancing Council.

3.2 Commissioning

1. There will be a third party Commissioning Authority contracted through GSA for this project, and work will be performed in accordance with the GSA Building Commissioning Guide.

2. Contractor’s tests shall be scheduled and documented in accordance with fundamental standard building commissioning services.

3. System verification testing is part of the commissioning process. Verification testing shall be performed by the contractor and witnessed and documented by the Commissioning Authority. GSA shall be notified of the time and date of any system verification testing in order to be witness to the testing.

4. Contractor shall coordinate with the design team and the Commissioning Authority to bring resolution to non-compliant or unacceptable test results.

5. Temporary systems do not require system verification as part of the commissioning process.

3.3 Electrical

1. Work shall be performed according to all applicable codes and standards including but not limited to the NEC and NFPA.

2. All devices shall bear the UL or CSA label and shall be in compliance with all NEC standards.

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"THIS IS AN EXAMPLE ONLY, NOT

A PROPRIETARY SPEC."

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ECM-3.0 OPTIONAL ECM EXHAUST FANS

1.1 EXISTING DOCUMENTS

1. The Design Builder shall obtain the existing documents of the facility from GSA.

1.2 REFERENCES

1. The design shall be in accordance with the Facilities Standards for the Public Buildings Services revised March 2005 – PBS-P100 and all applicable codes referenced within.

1.3 DESIGN AND ENGINEERING

1. The Design Builder shall employ qualified licensed architects and engineers to provide full engineering and design services including but not limited to construction documents and specifications.

1.4 CAD DELIVERIES

1. The engineering design shall be in accordance with the GSA “CAD Deliverable Policy”, March 1, 2005.

1.5 DEMOLITION

1. No existing work associated with this project shall remain abandoned in place within the building. Coordinate all system shut downs with GSA prior to any action.

1.6 EXISTING CONDITIONS

1. The exhaust fans (general space and bathroom) are operated manually and are not controlled by automation

PART 2 - STATEMENT OF WORK

2.1 Statement of Work:

1. The exhaust fans are to be controlled by the Building Automation System, including the operating status of each fan, as well as being interlocked with the associated air handler, if applicable.

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PART 3 - PERFORMANCE SPECIFICATIONS

3.1 Testing, Adjusting and Balancing

1. Provide preparation, testing, adjusting and balancing of mechanical equipment and distribution systems including inspection and certification reports. Testing shall be performed by a member of the Associated Air Balancing Council.

3.2 Commissioning

1. There will be a third party Commissioning Authority contracted through GSA for this project, and work will be performed in accordance with the GSA Building Commissioning Guide.

2. Contractor’s tests shall be scheduled and documented in accordance with fundamental standard building commissioning services.

3. System verification testing is part of the commissioning process. Verification testing shall be performed by the contractor and witnessed and documented by the Commissioning Authority. GSA shall be notified of the time and date of any system verification testing in order to be witness to the testing.

4. Contractor shall coordinate with the design team and the Commissioning Authority to bring resolution to non-compliant or unacceptable test results.

5. Temporary systems do not require system verification as part of the commissioning process.

3.3 Electrical

1. Work shall be performed according to all applicable codes and standards including but not limited to the NEC and NFPA.

2. All devices shall bear the UL or CSA label and shall be in compliance with all NEC standards.

ECM-4.0 OPTIONAL ECM TEST, ADJUST AND BALANCE

PART 1 - GENERAL REQUIREMENTS

1.1 EXISTING DOCUMENTS

1. The Design Builder shall obtain the existing documents and plans of the facility from

GSA.

1.2 REFERENCES

1. The design shall be in accordance with the Facilities Standards for the Public Buildings Services revised March 2005 – PBS-P100 and all applicable codes referenced within.

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1.3 DESIGN AND ENGINEERING

1. The Design Builder shall employ qualified licensed architects and engineers to provide full engineering and design services including but not limited to construction documents and specifications.

1.4 CAD DELIVERIES

1. The engineering design shall be in accordance with the GSA “CAD Deliverable Policy”, March 1, 2005.

1.5 DEMOLITION

1. No existing work associated with this project shall remain abandoned in place within the building. Coordinate all system shut downs with GSA prior to any action.

1.6 EXISTING CONDITIONS

1. The EPA Building is being operated under very negative air pressure. This is causing the EPA Building to act as a parasite off the Ariel Rios Building, since the two building are joined on the 6th and 7th floor hallways. Conditioned air is being drawn through these hallways from Ariel Rios and into EPA. As stated under ECM 5.0 “Air Handling Units,” there are at least three known reasons for this problem:

1. Little or no outside air being added to the airflow at AHU#1 thru AHU#14 because the return air fans are running at 100%.

2. All the air handling units are choking airflow in the building due to dirty clogged bag filters and coils.

3. The outside air, return air, and relief air dampers are not functioning properly on AHU#1 thru AHU#14.

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2.1 Statement of Work

1. The DB Contractor is responsible to engage a TAB firm that is certified by either AABC or NEBB.

2. Testing adjusting and balancing will be done after the upgraded building automation system has been verified and any and all additions, replacements, repairs, adjustments and routine maintenance has been completed.

Do not proceed with testing adjusting and balancing work until the following conditions have been met:

Ensure that there is no latent residual work yet to be completed on the equipment to be tested.

Equipment scheduled for testing, adjusting and balancing is clean (filters, coils, etc.) and free from dirt and debris.

Verify work has been completed and the system is functioning properly.

All architectural openings (doors, windows, and other openings) which may affect the operation of the system to be tested, adjusted and balanced shall be at their normal states. In particular, attention must be given to the closing of the 6th and 7th floor hallways that connect Ariel Rios to the EPA Building. These openings between the two buildings impact the functional operation of the two separate HVAC systems, specifically the building pressurization.

All related mechanical systems which may affect the operation of the system to be tested, adjusted and balanced shall be in their normal operating modes.

3. All water side systems shall be fully tested and balanced including but not limited to the chillers, chilled and condenser water pumps, cooling towers, and AHU coils. This requirement applies to existing as well as new equipment to be installed under this contract.

4. For water flow quantities, flow through pumps, chillers, cooling towers and through coils shall be adjusted as close to specified design as possible, with no more divergence than plus or minus 5% of design flow. It is the DB Contractor’s responsibility to acquire the specified design flow rates.

5. All airside systems shall be fully tested and balanced including but not limited to all air handling units, exhaust fans, VAV boxes, fan powered VAV boxes and all diffusers throughout the building. This requirement applies to existing as well as new equipment to be installed under this contract.

6. For air flow quantities, flow through fans shall be adjusted as close to specified design flow as possible, with no more divergence than plus or minus 2% of design flow. It is the DB Contractor’s responsibility to acquire the specified design flow rates.

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7. Entering air and water temperatures of air handling units, chillers, cooling towers shall be maintained at the steady state to within plus or minus 1°F of specified design entering conditions. It is the DB Contractor’s responsibility to acquire the specified entering temperatures.

Contractor must verify exact quantities.

Approx. Qty. Equipment

30 Air Handling Units AHU#1 thru AHU#14 Variable Air Volume Units;

AHU#15 thru AHU#20 100% Outside Air Units;

AHU#21 thru AHU#31 100% Outside Air/Single Zone Units; AHU#26- not in use 600 VAV boxes 1655 Fan Coil Units- under window

3 900 Ton Chillers 1 400 Ton Chiller 4 450 Ton Cooling Towers 4 Primary Chilled Water Pumps 3 Secondary Chilled Water Pumps 4 Condenser Water Pumps 8 Hot Water Pumps 2 Heat Exchangers- Chilled Water system 4 Heat Exchangers- Hot Water System

PART 3 - PERFORMANCE SPECIFICATIONS

3.1 Testing, Adjusting and Balancing

1. Provide preparation, testing, adjusting and balancing of mechanical equipment and distribution systems including inspection and certification reports. Testing shall be performed by a certified NEBB or AABC contractor.

3.2 Commissioning

1. There will be a third party Commissioning Authority contracted through GSA for this project, and work will be performed in accordance with the GSA Building Commissioning Guide.

2. Contractor’s tests shall be scheduled and documented in accordance with fundamental standard building commissioning services.

3. System verification testing is part of the commissioning process. Verification testing shall be performed by the contractor and witnessed and documented by the Commissioning Authority. GSA shall be notified of the time and date of any system verification testing in order to be witness to the testing.

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4. Contractor shall coordinate with the design team and the Commissioning Authority to bring resolution to non-compliant or unacceptable test results.

5. Temporary systems do not require system verification as part of the commissioning process.

3.3 Electrical

1. Work shall be performed according to all applicable codes and standards including but not limited to the NEC and NFPA.

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ECM-5.0 – BASE ECM BUILDING AUTOMATION SYSTEM - UPGRADE

1.1 EXISTING DOCUMENTS

1. The Design Builder shall obtain the existing documents of the facility from GSA.

1.2 REFERENCES

1. The design shall be in accordance with the Facilities Standards for the Public Buildings Services revised March 2005 – PBS-P100 and all applicable codes referenced within.

1.3 DESIGN AND ENGINEERING

1. The Design Builder shall employ qualified licensed architects and engineers to provide full engineering and design services including but not limited to construction documents and specifications.

1.4 CAD DELIVERIES

1. The engineering design shall be in accordance with the GSA “CAD Deliverable Policy”, March 1, 2005.

1.5 DEMOLITION

1. No existing work associated with this project shall remain abandoned in place within the building. Coordinate all system shut downs with GSA prior to any action.

1.6 EXISTING CONDITIONS

1. The existing Building Automation System is by Seimens. Most of the VFDs on the Air Handling Units are switched to the “Bypass” Mode, running at 100% capacity, in “Hand”, or completely disabled. Building Automation System control of the Air Handling Units Fans (via the VFDs) must be re-established. Although the existing BAS can communicate with the equipment, the building is being operated manually. The BAS must be upgraded with a current and capable front end computer station, and the latest version software for building automation, and then re-commissioned to confirm proper control and operation of the buildings mechanical equipment. See ECM 3.0 Exhaust Fans, ECM 5.1 CO2 Sensors, ECM 5.2 Night Time Set Back, ECM 5.3 Range Limiting Thermostats, and ECM 5.4 DDC Controls.

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1. The existing Building Automation System shall be upgraded to monitor and control all heating, ventilating and air conditioning equipment. The upgraded BAS shall function utilizing all existing field devices.

2. Provide new and complete stand-alone computer platform with all peripherals as required that meets the following minimum guidelines:

• 1 GHz Pentium III processor

• 50MB hard disk space for the application, and additional hard disk space for graphic files

• CD-ROM or DVD drive

• 512 MB PC100 Synchronized Dynamic Random Access Memory (SDRAM)

• Operating systems: Microsoft Windows XP Professional OS with latest

Service Pack; Microsoft Windows Server 2003 OS.

3. The BAS system shall include a 19 inch minimum flat screen monitor at the main work station.

4. Furnish color printer with the print speed of not less than 600 DPI Black, 300 DPI Color.

5. Furnish all software and firmware upgrades required. Software for the entire system shall be the latest available version (at time of delivery) for the entire system.

6. Trending: Provide a trend data utility that shall have access for viewing and analysis of all data points. It shall have the capability to display trend data in histogram (X-Y plots) format as well as area bar graphs.

7. Passwords

Multiple level password access protection shall be provided to allow the user/manager to limit work station control, display, and database manipulation capabilities as deemed appropriate for each user, based on an assigned password.

A minimum of five levels of access shall be supported with a minimum of 100 unique passwords, including initials.

1) Level 1 = Data Access and Display

2) Level 2 = Level 1 Operator Overrides

3) Level 3 = Level 2 and Database Modification

4) Level 4 = Level 3 and Database Generation

5) Level 5 = All privileges, including Password Add/Modify

8. Graphics

Provide new graphic pages as required for existing HVAC equipment that clearly depicts the system configuration being controlled.

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Each device shall be provided with an English descriptor of up to 60 characters.

Graphics shall be able to provide animation based on real time data that is acquired, calculated or entered.

Multiple graphic applications shall be able to execute at any one time on a single work station.

The operator shall be able to configure the speed at which data will be updated on a specific graphic.

9. Training

Government support personnel shall be trained on the system software prior to completion of the system installation. Submit factory course description with outline, and conduct sessions with factory instructors and training material after commissioning is complete and before acceptance of the system. Equipment installers are not acceptable instructors.

10. Operator Training

Emphasis of operator training shall be maintenance, which shall provide in-depth knowledge on how to conduct complete troubleshooting, maintenance and repair of the installed system and ancillary components. Training shall include both diagnostic software and hardware maintenance. Provide operator training for two eight-hour sessions for up to 10 students.

11. Supervisor Training

Provide an additional eight hours of supervisor training. Training shall be provided for a maximum of 5 students.

Programming Training: provide two additional eight hour sessions of programming training. Training shall be provided for a maximum of five students.

12. Training Aids

Provide all training aids, equipment and training manuals. Provide one copy of the training material to each student. Submit materials for Government approval.

Student Education Level: training for various courses shall be structured for electrical/electronic technicians with experience in operating computers, but little experience in programming. Student’s education level should be high school plus approximately two years of technical training in math, sciences and electrical and mechanical equipment.

13. Follow up Training

Provide a total of 48 hours of additional training during the first six months after the official acceptance date of the control system. Training is to cover system operation and maintenance for the technicians who operate the system. The training shall be schedule with the Supervisor at an approximate rate of 8 hours per month.

14. Training Sessions must be video recorded for future reference and training.

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3.1 The system shall be an upgrade and extension of the existing building DDC system. Provide all hardware and software necessary for the integration process including graphics. The upgraded BAS must be compatible with the existing system and shall function utilizing all existing field devices.

1. The DB Contractor shall be responsible for evaluating the existing control strategies and providing new sequences of operations to provide the most economic system operation, occupied/unoccupied modes, night set back criteria, humidity control, building pressurization, etc.

2. The DB Contractor shall be responsible for the proper operation of the BAS interface with the fire alarm and smoke control system as required.

3. Contractor’s tests shall be scheduled and documented in accordance with fundamental standard building commissioning services.

4. Contractor shall coordinate with the design team and the Commissioning Authority to bring resolution to non-compliant or unacceptable test results.

5. Commissioning:

There will be a third party Commissioning Authority contracted through GSA for this project, and work will be performed in accordance with the GSA Building Commissioning Guide.

System verification testing is part of the commissioning process. Verification testing shall be performed by the contractor and witnessed and documented by the Commissioning Authority. GSA shall be notified of the time and date of any system verification testing in order to be witness to the testing.

3.2 Electrical

1. Work shall be performed according to all applicable codes and standards including but not limited to the NEC and NFPA.

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ECM-5.1 OPTIONAL ECM NIGHT TIME SET BACK

PART 1 - GENERAL REQUIREMENTS (UNOCCUPIED MODE)

1.1 EXISTING DOCUMENTS

1. The Design Builder shall obtain the existing documents of the facility from GSA.

1.2 REFERENCES

1. The design shall be in accordance with the Facilities Standards for the Public Buildings Services revised March 2005 – PBS-P100 and all applicable codes referenced within.

1.3 DESIGN AND ENGINEERING

1. The Design Builder shall employ qualified licensed architects and engineers to provide full engineering and design services including but not limited to construction documents and specifications.

1.4 CAD DELIVERIES

1. The engineering design shall be in accordance with the GSA “CAD Deliverable Policy”, March 1, 2005.

1.5 DEMOLITION

1. No existing work associated with this project shall remain abandoned in place within the building. Coordinate all system shut downs with GSA prior to any action.

1.6 EXISTING CONDITIONS

1. Night Time Set Back control function is already in the existing BAS, and is identified as “Night Heating and Cooling Set Points”. The Night Heating is “Setback”, and the Night Cooling is “Setup”. However, the night time heating and cooling set points are not consistent, and are not in accordance the provided Sequence of Operation. Also, VAVs and FCUs are not shutting off when commanded to go to Unoccupied Mode by the BAS.

Further investigation revealed that “Unoccupied Mode” did not appear to be added to the programs controlling these units, and therefore the fans run constantly. The building is being operated manually and requires reset to automation, and must include night time setback.

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1. Night Time Set Back must be included in the new programming that automatically re-sets temperatures (summer and winter) and controls the operation of the HVAC equipment to minimize energy usage, while maintaining a minimum conditioned space temperature. This shall include, but not be limited to, reduction of primary and outside air, resetting of static pressure setpoints, and shut down of equipment during unoccupied periods. Coordinate with ECM 5.0 Building Automation System- Upgrade.

PART 3 - PERFORMANCE SPECIFICATIONS

3.1 Testing, Adjusting and Balancing

1. Provide preparation, testing, adjusting and balancing of mechanical equipment and distribution systems including inspection and certification reports. Testing shall be performed by a member of the Associated Air Balancing Council.

3.2 Commissioning

1. There will be a third party Commissioning Authority contracted through GSA for this project, and work will be performed in accordance with the GSA Building Commissioning Guide.

2. Contractor’s tests shall be scheduled and documented in accordance with fundamental standard building commissioning services.

3. System verification testing is part of the commissioning process. Verification testing shall be performed by the contractor and witnessed and documented by the Commissioning Authority. GSA shall be notified of the time and date of any system verification testing in order to be witness to the testing.

4. Contractor shall coordinate with the design team and the Commissioning Authority to bring resolution to non-compliant or unacceptable test results.

5. Temporary systems do not require system verification as part of the commissioning process.

3.3 Electrical

1. Work shall be performed according to all applicable codes and standards including but not limited to the NEC and NFPA.

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ECM-5.2 OPTIONAL ECM ADD CO2 SENSORS FOR DEMAND CONTROLLED

VENTILATION

PART 4 - GENERAL REQUIREMENTS

4.1 EXISTING DOCUMENTS

1. The Design Builder shall obtain the existing documents of the facility from GSA.

4.2 REFERENCES

1. The design shall be in accordance with the Facilities Standards for the Public Buildings Services revised March 2005 – PBS-P100 and all applicable codes referenced within.

4.3 DESIGN AND ENGINEERING

1. The Design Builder shall employ qualified licensed architects and engineers to provide full engineering and design services including but not limited to construction documents and specifications.

4.4 CAD DELIVERIES

1. The engineering design shall be in accordance with the GSA “CAD Deliverable Policy”, March 1, 2005.

4.5 DEMOLITION

1. No existing work associated with this project shall remain abandoned in place within the building. Coordinate all system shut downs with GSA prior to any action.

4.6 EXISTING CONDITIONS

1. In the existing HVAC system…