SOW-contract-Specs.pdf

PDF 2 MB Posted

Attached to
Repair HVAC at CG Civil Engineering Unit Miami
Solicitation number
HSCG28-14-Q-PMW072
Issued by

About this file

Statement of Work

View the file

Other files

File Type Posted
FL27_DOL_Wage_rates.txt TXT text file
5805264-contract-drawings.pdf PDF
1442_CEU_HVAC_Repair.pdf PDF
Clauses_Small_Business_Certification.docx DOCX document

On GovTribe

Work with this file

  • Download the original file
  • Contacts named in this file
  • Similar government files
  • Ask GovTribe AI about this file

Text version

REPAIR HVAC

AT

U.S. COAST GUARD

CEU MIAMI

FLORIDA

PROJECT No. 5805264

MARCH 2014

COMMANDING OFFICER, CIVIL ENGINEERING UNIT MIAMI

15608 S.W. 117TH AVENUE

MIAMI, FLORIDA

33177

TABLE OF CONTENTS

TITLE PAGES

Division 1 – GENERAL REQUIREMENTS Section 01 11 00 General Requirements 01-09

Division 23 – HEATING VENTILATION & AIR CONDITIONING Section 23 03 00 Mechanical Material & Methods 01-07

Attachments

APPENDIX A: 2008 Control Diagrams 01-15

APPENDIX B: 2008 Control Submittals 01-09

APPENDIX C: 2007 Asbestos Survey 01-06

CEU BUILDING HVAC REPAIRS PROJECT NO. 5805264

Section 01 11 00 - Page 1 of 9 05 MAR 2014

DIVISION 01 – GENERAL REQUIREMENTS

SECTION 01 11 00

SUMMARY OF WORK

PART 1 GENERAL

1.1 GENERAL DESCRIPTION

The work includes furnishing all labor, tools, equipment and materials for station improvement at the U.S.

Coast Guard Communications Station Miami, Florida, CEU Building consisting but not limited to the following.

BASE BID:

a. Demolish and remove existing utility fan set (return air fan RAF-1). Remove existing load-side conductors and conduit from electrical disconnect. Remove system and points from existing BACNET program.

b. Provide new coils, valves, strainers, filters, and other components. Install components on a 48-hour weekend so that system is fully functional by 6:00 AM on Monday.

c. Provide new valve with actuator and isolation valve for FCU-3 located in Technical Directors (TD) office. Install components on a 48-hour weekend so cooling system is fully functional by 6:00 AM on Monday.

d. Fill chilled water system, bleed air, and passivate water system via existing shot feeder. Provide written water chemistry analysis before and after coil replacement.

e. Provide new programming and temperature controls to integrate new components into existing microprocessor based electronic DDC controls.

f. The above list is not an all-inclusive list of all work. Comply with electronic documents

g. USCG personnel will occupy all adjacent area bordering new construction. Therefore contractor shall isolate construction area as required with temporary partition and dust controls as required. In addition, all noise-generated construction shall be performed after hours and or weekend.

Option Item #1: This option items requires a separate line item quote, which may or may not be exercised by the Coast Guard at the time of award.

h. Demolish existing abandoned Trane air-cooled Chiller: remove chiller, chilled water supply and return lines, and provide new valves, and caps. Remove existing load-side conductors and conduit from electrical disconnect.

i. Provide new isolation valves, strainer, plug valve, circuit setter, thermometers, at AHU-2

j. Provide new pressure gauges for existing pumps.

k. Demolish FCU-2 serving tower climbing storage space, and associated chilled water pipe with insulation. Cap existing chilled water lines as indicated.

Option Item #2: This option items requires a separate line item quote, which may or may not be exercised by the Coast Guard at the time of award.

l. Provide new Variable Frequency Drive (VFD) for AHU-2 compatible with existing control system.

1.2 PROJECT PERFORMANCE TIME

After work begins at the site, the Contractor shall work continuously during normal working hours and show daily progress until all work is complete. The total contract performance period shall be ninety (90) calendar days, which includes the time needed to approve all material submittals. Option items award will not allow any additional contract time and shall be performed concurrent with base bid.

1.3 CONSTRUCTION

Work shall be completed under a Phased Construction Schedule. Contractor shall submit a phasing and construction schedule for review and approval prior to commencing work. The structures shall be occupied during the project with access to these spaces to be coordinated through the Construction Officer’s Representative. Access through each of the structures room shall remain free and clear at all times;

construction dust and debris shall not be permitted to migrate from the work area into adjacent areas or

Section 01 11 00 - Page 2 of 9 05 MAR 2014 rooms. Contractor shall consult with the Contracting Officer’s Representative (COR or C.O.R.) to coordinate phasing, job sequencing, access routes, and temporary parking. The coil and associated valves shall be replaced on a weekend agreed by the Coast Guard:

A weekly progress meeting will be held either on site or by telephone with the Site Superintendent, the USCG Inspector/COR, the USCG Construction Manager and the Unit representative. The progress meetings will be at the discretion of the USCG Construction Manager. Other parties may attend if desired.

1.4 LOCATION AND INSPECTION PRIOR TO BID

The work scheduled is located at and prospective bidders are encouraged to visit the site to familiarize themselves with the existing conditions. Arrangements for visiting the site may be made by contacting:

Contact LT Stephanie Wood (Stephanie.d.wood@uscg.mil (305) 535-4589), CWO3 Mark Berg (mark.e.berg@uscg.mil; (305) 535-4547)

U.S. Coast Guard Comsta Miami USCG CEU Miami CG Civil Engineering Unit 15608 SW 117th Avenue Miami, Florida 33177

1.5 DRAWINGS AND PHOTOGRAPHS ACCOMPANYING SPECIFICATION

Drawings to be used with these specifications shall consist of U.S. Coast Guard Drawing No. M2017-D, consisting of 06 sheets. Drawings and photographs are the property of the Government, and shall not be used for any purpose other than that contemplated by the specification.

1.6 WORK HOUR

The Contractor shall perform the work at the site on selective weekends (agreed by contractor and USCG) and from Monday through Friday from 7:00 AM to 5:00 PM except federal holidays. The Contractor shall coordinate working hours with C.O.R. and the Station prior to commencing work.

1.7 BACKGROUND

If lead or asbestos is detected or suspected during construction, stop all work and immediately notify the contracting officer. Based on previous surveys, there is no known lead passed paint or asbestos in the effected work areas.

1.8 AVAILABILITY OF UTILITY SERVICES

Reasonable amounts of the following utilities will be made available to the Contractor without charge.

Electricity and Potable Water

The Contractor shall pay all costs incurred in connecting, converting, and transferring the utilities to the work. The contractor shall be responsible for making connections including providing back flow preventers, transformers and for disconnection. The contractor may use existing on-site toilet facilities for his personnel.

1.9 SUBMITTALS

Provide submittals of all equipment, materials and controls to USCG for approval, prior to purchase.

1.10 UTILITY OUTAGES

Before interrupting or shutting down any utility, make a request for the interruption to the COR at least 2 working days before the anticipated interruption. Identify the utility, reason for interruption, proposed time of interruption, and duration of interruption. Do not interrupt utilities until authorized by the COR.

Section 01 11 00 - Page 3 of 9 05 MAR 2014

1.11 WORK COORDINATION

The buildings will be occupied and operational during the execution of this contract. The Contractor shall closely coordinate all work with the Contracting Officer's Representative (COR) in order to reduce to a minimum disturbance to personnel and operations.

1.12 SAFETY

* Contractor(s) must have a written Accident and Prevention Plan (Site-Safety Plan), on-site and available for review if requested.

* Forklift and crane operators must have a Letter of Qualification on file with their Contractor employer and available for review, if requested.

1.13 CONTRACTOR USE OF PREMISES

The Contractor will be working on a Coast Guard operational military installation. Become familiar with and obey station fire, traffic, and security regulations. Personnel shall not stray from the immediate area of work nor direct avenues of ingress and egress unless authorized in advance by the COR.

1.14 STORAGE AREA

The Contractor will be provided a storage area in a location determined by the COR. The Contractor shall be responsible for restoring the area to its original condition at the completion of the work. The Contractor shall be responsible for repair of any damage incurred to buildings or pavement as a result of storage activities.

1.15 CLEANUP

The Contractor shall keep the work area, including storage area, free from accumulations of waste materials on a daily basis and comply with all federal, state and local regulations pertaining to the storage, transport and disposal of wastes. The Contractor shall not use Coast Guard waste disposal facilities including garbage cans, trash piles or dumpsters. All materials including construction debris and equipment shall be removed from Government property. The Government will not be responsible for the condition or loss of, or damage to, such property after notice to proceed. Materials and equipment shall not be viewed by prospective purchasers or sold on the site. Contractor is responsible to ensure chain-of-custody documentation are submitted to the Contracting Officer.

1.16 STORM PROTECTION

Should warnings of winds of gale force or stronger be issued, the Contractor shall take every practicable precaution to minimize danger to person, the work, and to adjacent property. Precautions shall include, but not be limited to, closing all opening, removing all loose materials, tools and equipment from exposed locations, and removing or securing scaffolding and other temporary work.

1.17 RECEIPT OF MATERIALS

Shipment of equipment, materials, and supplies shall be addressed to the Contractor - not the Government.

The Contractor must be on hand to accept shipments; the Government will not accept shipments.

1.18 DELIVERY AND STORAGE

Equipment and materials shall be carefully handled, properly stored, and adequately protected to prevent damage before and during installation, in accordance with the manufacturer's recommendations and as approved by the Contracting Officer's Representative. Damaged or defective items shall be replaced. The Contracting Officer’s Representative shall designate location of storage and staging area. The contractor will be responsible for security of all materials and equipment.

Section 01 11 00 - Page 4 of 9 05 MAR 2014

1.19 SECURITY

The Contractor shall provide the COR with a list of names of all personnel who will be working on the site 72 hours in advance. The Contractor may submit a revised list at any time during the project. Only personnel on the approved listing will be allowed on the site. All personnel shall carry proper identification (ID) when on site. Proper ID is defined as either the individuals drivers license, or a US government issued ID. The identification must be laminated, and show facial picture of the individual. Individuals without proper ID will be escorted off the Coast Guard premises

1.20 RECORD DRAWINGS

The contractor shall maintain at the job site one set of contract drawings marked to show any deviations or approved modifications which have been made from the contract drawings, including buried or concealed construction and utility features are revealed during the course of construction. These drawings must be kept current with all deviations marked daily and shall be available for review by the COR at all times. The COR must approve and sign the Project Record Documents prior payment. Final payment will not be approved until the marked record drawings are delivered to the Contracting Officer. Final record drawings must be submitted prior to final inspection.

1.21 FINAL INSPECTION AND ACCEPTANCE

When the work is complete and ready for final inspection, submit a written request for final inspection (at least with 7 days anticipation) to the contracting Officer.

1.22 WARRANTIES

All warranties and/or guarantees, either implied or expressed, for individual equipment shall be endorsed to the Government.

2.1 PRODUCTS

Not used.

3.1 EXECUTION

Not used.

PART 4 PHOTOGRAPHS

4.1. Photographs are to assist the contractor, but do NOT depict the scope of work. Photographs were taken prior to construction; but may not depict current conditions.

Section 01 11 00 - Page 5 of 9 05 MAR 2014

EXISTING AHU-1 CHW PIPING TO BE REPLACED BETWEEN ISOLATION VALVES TO INCLUDE

STRAINER, PLUG VALVE, MODULATING CONTROL VALVE, CIRCUIT SETTER, & ISOLATION VALVES.

AIR SEPARATOR IS EXISTING TO REMAIN (NOTE CHW RETURN PIPE IS ABOVE CHWS PIPE)

EXISTING KMC CONTROLLER BY DIGITAL CONTROL SYSTEMS FOR AHU-1

Section 01 11 00 - Page 6 of 9 05 MAR 2014

AHU-1 AFTER CHW INSULATION INSTALLED

Section 01 11 00 - Page 7 of 9 05 MAR 2014

OPTION ITEM #1: AHU-2 CHW PIPE BEFORE INSULATION

OPTION ITEM #1: AHU-2 CHW PIPE AFTER INSULATION INSTALLED

Section 01 11 00 - Page 8 of 9 05 MAR 2014

CHILLED WATER LINES TO FCU-3

CHILLED WATER LINES TO FCU-3

Section 01 11 00 - Page 9 of 9 05 MAR 2014

CHILLED WATER LINES TO FCU-3. NOTE VALVE WITH ACTUATOR IS LEAKING. CONTRACTOR WILL

PROVIDE NEW VALVE WITH ACTUATOR AND INTERLOCK WITH EXISTING BACNET CONTROLS

SYSTEM

SOME OF THE EXISTING CONTROLS FOR FCU-3

-- End of Section --

SECTION 23 03 00 - Page 1 of 7 05 MAR 2014

DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING

SECTION 23 03 00

BASIC MECHANICAL MATERIALS AND METHODS

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AIR-CONDITIONING, HEATING AND REFRIGERATION INSTITUTE (AHRI)

AHRI Guideline K (2005) Guideline for Containers for Recovered Non- Flammable Fluorocarbon Refrigerants

ASTM INTERNATIONAL (ASTM)

ASTM B 117 (2007) Standard Practice for Operating Salt Spray (Fog) Apparatus

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE C2 (2007) National Electrical Safety Code

INTERNATIONAL CODE COUNCIL (ICC)

ICC IPC (2009) International Plumbing Code ICC IMC (2009) International Mechanical Code ICC IFGC (2009) International Fuel Gas Code ICC IFC (2009) International Fire Code

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA MG 1 (1998) Motors and Generators NEMA MG 10 (2001) Energy Management Guide for Selection and Use of

Fixed Frequency Medium AC Squirrel-Ocage Polyphase Induction Motors

NEMA MG 11 (1977; R 1997; R 2001) Energy Management Guide for Selection and Use of Single Phase Motors

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2007) National Electrical Code

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION

(SMACNA)

SMACNA (2005) HVAC Duct Construction Standards Metal and Flexible, 3rd Edition

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

40 CFR 61 National Emission Standards for Hazardous Air Pollutants 40 CFR 82 Protection of Stratospheric Ozone

1.2 RELATED REQUIREMENTS

This section applies to all sections of Division 21, 22, and 23, "Mechanical" of this project specification, unless specified otherwise in the individual section.

1.3 QUALITY ASSURANCE

SECTION 23 03 00 - Page 2 of 7 05 MAR 2014

All work shall be performed by licensed contractor and subcontractors with valid and current license in their respective trade. Installation of equipment shall comply with equipment manufacturer’s recommendations and publications. Advisory provisions shall be considered mandatory, the word "should" shall be interpreted as "shall."

1.3.1 Material and Equipment Qualifications

Provide materials and equipment that are standard products of manufacturers regularly engaged in the manufacture of such products, which are of a similar material, design and workmanship. Standard products shall have been in satisfactory commercial or industrial use for 2 years prior to bid opening.

The 2-year use shall include applications of equipment and materials under similar circumstances and of similar size. The product shall have been for sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2 year period.

1.3.2 Service Support

The equipment items shall be supported by service organizations. Submit a certified list of qualified permanent service organizations for support of the equipment which includes their addresses and qualifications. These service organizations shall be reasonably convenient to the equipment installation and able to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract.

1.3.3 Manufacturer's Nameplate

Each item of equipment shall have a nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable.

1.3.5 Modification of References

In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though the word, "shall" had been substituted for "should" wherever it appears. Interpret references in these publications to the "authority having jurisdiction", or words of similar meaning, to mean the Contracting Officer.

1.3.5.1 Definitions

For the International Code Council (ICC) Codes referenced in the contract documents, advisory provisions shall be considered mandatory, the word "should" shall be interpreted as "shall." Reference to the "code official" shall be interpreted to mean the "Contracting Officer." For USCG owned property, references to the "owner" shall be interpreted to mean the "Contracting Officer." For leased facilities, references to the "owner" shall be interpreted to mean the "lessor." References to the "permit holder" shall be interpreted to mean the "Contractor."

1.3.5.2 Administrative Interpretations

For ICC Codes referenced in the contract documents, the provisions of Chapter 1, "Administrator," do not apply. These administrative requirements are covered by the applicable Federal Acquisition Regulations (FAR) included in this contract and by the authority granted to the Officer in Charge of Construction to administer the construction of this project. References in the ICC Codes to sections of Chapter 1, shall be applied appropriately by the Contracting Officer as authorized by his administrative cognizance and the FAR.

1.4 DELIVERY, STORAGE, AND HANDLING

SECTION 23 03 00 - Page 3 of 7 05 MAR 2014

Handle, store, and protect equipment and materials to prevent damage before and during installation in accordance with the manufacturer's recommendations, and as approved by the Contracting Officer.

Replace damaged or defective items.

1.5 ELECTRICAL REQUIREMENTS

Furnish motors, controllers, disconnects and contactors with their respective pieces of equipment.

Motors, controllers, disconnects and contactors shall conform to and have electrical connections provided under NFPA 70. Furnish internal wiring for components of packaged equipment as an integral part of the equipment. Controllers and contactors shall have a maximum of 120 volt control circuits, and shall have auxiliary contacts for use with the controls furnished. When motors and equipment furnished are larger than sizes indicated, the cost of additional electrical service and related work shall be included under the section that specified that motor or equipment. Power wiring and conduit for field installed equipment shall be provided under and conform to the requirements of NFPA 70.

1.6 ELECTRICAL INSTALLATION REQUIREMENTS

Electrical installations shall conform to IEEE C2, NFPA 70, and requirements specified herein.

1.7 ACCESSIBILITY

Install all work so that parts requiring periodic inspection, operation, maintenance, and repair are readily accessible. Install concealed valves, expansion joints, controls, dampers, and equipment requiring access, in locations freely accessible through access doors. Comply with manufacturer’s installation instructions.

1.8 DISPOSITION OF MATERIALS

All demolished materials including equipment noted as demolish on contract drawings, and construction debris shall be removed from Government property.

1.8.1 Ozone Depleting Substances Used as Refrigerants

Minimize releases of Ozone Depleting Substances (ODS) during disposal of appliances containing ODS's by complying with all applicable sections of 40 CFR 82 Part 82 Subpart F.

Contractor shall evacuate and collect refrigerant, and comply with 40 CFR 82 Part 82.158 Subpart F, regarding standards of recycling and recovery equipment.

PART 2 PRODUCTS

Products shall comply with Buy American Act. All equipment and material shall be new and submitted to USCG for approval prior to purchase.

2.1 DUCT SYSTEMS

2.1.1 Metal Ductwork

Provide metal ductwork construction, including all fittings and components, that complies with SMACNA 1966, as supplemented and modified by Division 23.

2.2 OPTION ITEM #2: VARIABLE FREQUENCY (MOTOR) DRIVES WITH BYPASS/DISCONNECT

ENCLOSURE [EATON H-MAX SERIES]

Provide variable frequency drives (VFDs) with BACNET communications as indicated. VFDs shall convert 240 or 460 volt (plus or minus 10 percent), three phase, 60 hertz (plus or minus 2Hz), utility

SECTION 23 03 00 - Page 4 of 7 05 MAR 2014 grade power to adjustable voltage/frequency, three phase, AC power for stepless motor control from 5 percent to 105 percent of base speed. VFDs shall be UL 508C listed as delivered to the end user. The VFD shall meet the requirements specified in the most current National Electrical Code. Each VFD shall also meet the following:

a. The VFD shall use sine coded Pulse Width Modulation (PWM) technology. PWM calculations shall be performed by the VFD microprocessor.

b. The VFD shall be capable of automatic control by a remote 4-20 mA [0 to 10 VDC] signal, by network command, or manually by the VFD control panel.

2.2.1 VFD Service Support

a. VFD Service Manuals: Provide the VFDs with all necessary installation, operation, maintenance, troubleshooting, service, and repair manuals in English including related factory technical bulletins. Provide the documents factory bound, in sturdy 3-ring binders, or hard bound covers.

Provide a title sheet on the outside of each binder indicating the project title, project location, installing contractor, contract number, and the VFD manufacturer, address, and telephone number. Each binder shall include a table of contents and tabbed dividers, with all material neatly organized. The documentation provided shall be specifically applicable to this project, shall be annotated to reflect the actual project conditions, and shall provide a complete and concise depiction of the installed work.

b. Initial Start-Up: Provide the VFDs with factory-trained personnel for the on-site start-up of the

HVAC equipment and associated VFD. The personnel shall be competent in the complete start-up, operation, and repair of the particular model VFD installed. The factory start-up representative shall perform the factory's complete recommended start-up procedures and check-out tests on the VFD. Include a copy of the start-up test documentation with the VFD on-site service manuals.

2.2.2 VFD Features

VFDs shall have the following features:

a. A local operator control keypad capable of:

(1) Remote/Local operator selection with password access.

(2) Run/Stop and manual speed commands.

(3) All programming functions.

(4) Scrolling through all display functions.

b. Digital display capable of indicating:

(1) VFD status.

(2) Frequency.

(3) Motor RPM.

(4) Phase current.

(5) Fault diagnostics in descriptive text.

(6) All programmed parameters.

c. Standard PI loop controller with input terminal for controlled variable and parameter settings.

d. User interface terminals for remote control of VFD speed, speed feedback, and an isolated form C

SPDT relay, which energizes on a drive fault condition.

e. An isolated form C SPDT auxiliary relay which energizes on a run command.

f. A metal NEMA 1 enclosure for indoors, .

g. An adjustable carrier frequency with 16 KHz minimum upper limit.

h. A built in or external line reactor with 3 percent minimum impedance to protect the VFDs DC buss capacitors and rectifier section diodes.

SECTION 23 03 00 - Page 5 of 7 05 MAR 2014

2.2.3 Programmable Parameters

VFDs shall include the following operator programmable parameters:

a. Upper and lower limit frequency.

b. Acceleration and Deceleration rate.

c. Variable torque volts per Hertz curve.

d. Starting voltage level.

e. Starting frequency level.

f. Display speed scaling.

g. Enable/disable auto-restart feature.

h. Enable/disable soft stall feature.

i. Motor overload level.

j. Motor stall level.

k. Jump frequency and hysteresis band.

l. PWM carrier frequency.

2.2.4 Protective Features

VFDs shall have the following protective features:

1) Overcurrent (drive or motor).

2) Power outage.

3) Phase loss.

4) Over voltage and Under voltage.

5) Ground fault

6) Motor temperature

7) Communication loss

2.2.5 Minimum Operating Conditions

VFDs shall be designed and constructed to operate within the following service conditions:

a. Ambient Temperature Range, 200 to 100 degrees F.

b. Non-condensing relative humidity to 95 percent.

2.2.6 Additional Features. Provide VFDs with the following additional features:

a. BACnet communication interface port

b. Enclosure with Disconnect HOA and bypass

c. RFI/EMI filters

d. Three drive input fuses with three extra replacement fuses

e. Manual bypass circuit with three contactors and switch integral to the drive to allow drive bypass/isolation and operation at 100 percent speed. Phase loss protection, motor overload and short circuit protective features shall be provided in the bypass mode.

f. New Pressure to electrical transducer

2.3 CHILLED WATER COOLING COIL COPPER WITH ALUMINUM FINS

Provide two new coils. Coils shall be 50/50 split face , 4-row copper coil (certified to AHRI 410-2001), 5/8” copper tubes .035" thick (minimum), with aluminum fins .008" thick for a 12 degree delta T (temperature) with 45°F entering (EWT - Entering Water Temperature) and 57°F leaving (LWT - Leaving water Temperature). Each coil shall be minimum 10 square feet and shall have water-side working pressure of 150 psig. Water flow thru coil shall be designed between 3 7 6 feet per second.

Coil cooling capacity shall comply with schedule on M-03. Provide submittal to USCG for review and approval prior to purchase. Existing air side system is constant velocity with leaving air temperature of 65°F (varies) with approximate 3' x 7' flat vertical coil (cabinet section approximately 97" x 45" x 22- 1/2"). Comply with schedule AHU-1 on drawing M-3. Coil shall be complete with galvanized steel

SECTION 23 03 00 - Page 6 of 7 05 MAR 2014 casing (ASTM A527), new header, new stainless steel drain pan, and compatible with existing cabinet.

Provide new modulating 3-way CHW valves. Field verify existing coil and cabinet dimensions.

2.4 BACNET CONTROLS

Controls consultant shall review existing equipment controls and new specifications and drawings.

Controls consultant shall provide complete sequence of operation, equipment, controls, and components which can comply with contract documents and can be integrated into existing BACNET controls system.

PART 3 EXECUTION

3.1 PAINTING OF NEW EQUIPMENT

New equipment painting shall be factory applied or shop applied, and shall be as specified herein, and provided under each individual section.

3.1.1 Air Conditioning Equipment

Remove air conditioning, refrigeration, and other equipment containing refrigerants without releasing chlorofluorocarbon refrigerants to the atmosphere in accordance with the Clean Air Act Amendment of 1990. Recover all refrigerants prior to removing split system with interconnected refrigerant piping (excluding package systems) air conditioning, refrigeration, and other equipment containing refrigerants and dispose of in accordance with the paragraph entitled "Disposal of Ozone Depleting Substance (ODS)."

3.1.2 Disposal of Ozone Depleting Substance (ODS)

Class I and Class II ODS are defined in Section, 602(a) and (b), of The Clean Air Act. Prevent discharge of Class I and Class II ODS to the atmosphere. Place recovered ODS in cylinders meeting AHRI Guideline K suitable for the type ODS (filled to no more than 80 percent capacity) and provide appropriate labeling. Recovered ODS shall be removed from Government property and disposed of in accordance with 40 CFR 82. Products, equipment and appliances containing ODS in a sealed, self-contained system (e.g. residential refrigerators and window air conditioners) shall be disposed of in accordance with 40 CFR 82.

PART 4 PHOTOGRAPHS

4.1. Photographs are to assist the contractor, but do NOT depict the scope of work. Photographs were taken prior to construction; but may not depict current conditions.

SECTION 23 03 00 - Page 7 of 7 05 MAR 2014

EXISTING CHW COIL WITH FOLLOWING APPROXIMATE DIMENSIONS: FINNED AREA ID 38”X86”;

CASING WITH HEADER OD 42”X96”; CABINET OD 45”X97”. TWO NEW COILS SHALL REPLACE

ONE EXISTING COIL.

-- End of Section –

5805264_00000
5805264_01-11-00-SUMMARY
5805264_23-03-00-BASIC-MECH
APPENDIX-A
APPENDIX-B
APPENDIX-C

File details come from the government source that posted it. Updated .