Contract.RICH 1 .docx

Richmond National Battlefield Park Replace HVAC Systems and Components

Richmond National Battlefield Park Replace HVAC Systems and Components PMIS #: 177071 Replace HVAC Systems and Components at Chimborazo Visitor Center

PMIS #: 177071

TABLE OF CONTENTS

The complete Project Manual for this Project consists of this entire bound volume which is not to be separated for any reason. The Contracting Officer is not responsible for any assumptions made by a Contractor (or Subcontractor) who does not receive a complete bound Project Manual containing all sections and documents listed in the Table of Contents, below.

SECTION 011100 SUMMARY OF WORK

SECTION 013000 ADMINISTRATIVE REQUIREMENTS

SECTION 230500 COMMON WORK RESULTS FOR HVAC

SECTION 238126 SPLIT-SYSTEM HEAT-PUMPS

ATTACHMENTS: 2 SKETCHES

1. FIRST FLOOR EQUIPMENT LOCATION PLAN

2. BASEMENT FLOOR EQUIPMENT LOCATION PLAN

January 2015 TABLE OF CONTENTS

SECTION 011100 SUMMARY OF WORK

PART 1 GENERAL

1 .1 DESCRIPTION

A. Work of this Contract consists of the replacement of 2 existing Split Heat Pump Systems at Chimborazo Visitor Center, Richmond National Battlefield Park, Richmond, Virginia.

B. Contractor is required to provide all labor, supervision, supplies, equipment, tools, materials, all supplementary or miscellaneous items, appurtenances and devices incidental to or necessary for successful completion of the Project.

C. Work shall be carried out as specified herein and as required by field conditions and applicable regulatory requirements. In general the Work consists of, but may not be limited to, the following:

1. Disconnect, remove and dispose of 2 existing Split System Outdoor Heat Pump Units, 2 associated Indoor Air Handling Units, 2 thermostats, valves, refrigerant and condensate piping, accessories, controls, wiring and appurtenances.

2. Reclaim and dispose of used refrigerant as required by applicable laws and regulations.

3. Furnish and install 2 new high efficiency Split System Outdoor Heat Pump Units, 2 associated Indoor Air Handling Units, valves, refrigerant and condensate piping, auxiliary electric resistance heat, accessories, controls, wiring and appurtenances in place of removed equipment to provide complete and operational HVAC System. Mount Outdoor Units on concrete pad.

4. Furnish and install 2 new 7 day a week programmable thermostats.

5. Modify existing and provide new ductwork and piping as necessary to accommodate all new HVAC Systems’ installation for complete, operational and functional environmental systems.

6. Furnish and install all appurtenances, all necessary new operational and temperature controls, starters, contactors, wiring, conduit, overcurrent protection, etc. as required to operate the new HVAC systems.

7. Provide operations and maintenance manuals for all new equipment and provide 2 hours of training on new installed Systems to Maintenance Personnel.

D. All prospective Bidders, and their Subs, as appropriate are strongly encouraged to visit and examine the existing conditions of the Project prior to submission of Bid in order to better understand the Work, and aid in forming any questions prior to the submission of Bid.

E. Contractor and all Subcontractors shall verify all new and existing dimensions prior to the commencement of Work and/or ordering of products and materials that may affect the Work of this Contract. Any and all discrepancies shall be forwarded to the Contracting Officer in writing for clarification prior to the commencement of Work. Any Work performed prior to said clarification, particularly and including that which may require correction shall be corrected by the Contractor with no additional costs to the Contract and Government and no time extension shall be made to the Contract Schedule.

PMIS #: 177071

F. Lack of knowledge of the existing conditions will not be allowed as a basis for extra compensation.

1 .2 DEMOLITION

A. Before beginning any demolition or deconstruction Work, survey and examine the Site to determine the extent of the Work. Take necessary precautions to avoid damage to existing items to remain in place, to be reused, or to remain property of Government.

B. Disposal of removed equipment and materials shall be the Contractor's responsibility. Contractor is to recycle all possible items and to provide the Contractor Officer Representative (COR) a letter certifying what has been recycled.

C. Abandonment in place is not permitted. Where removals leave holes and damaged surfaces exposed in the finished Work, patch and repair holes and damaged surfaces to match adjacent finished surfaces, using on-site materials when available. Where new Work is to be applied to existing surfaces, perform removals and patching in a manner to produce surfaces suitable for receiving new Work. Finished surfaces of patched area shall be flush with the adjacent existing surface and shall match the existing adjacent surface as closely as possible as to texture and finish.

1 .3 ACCIDENT PREVENTION

A. All Work on the Site shall be in compliance with the applicable OSHA regulations.

B. Submit site safety plans for each Site and attain the approval from the COR before a Notice to Proceed is issued. A format for a Safety Plan is available upon request.

C. Establish and maintain an Accident Prevention Program.

1. Ensure that employees are physically qualified to perform their assigned duties in a safe manner.

2. Do not allow employees or volunteers to work whose ability or alertness is impaired due to conditions that may expose them or others to injury.

3. The Program shall include:

a. Name of person in charge of the program

b. Weekly safety meetings while on site

c. First aid procedures

d. Outline hazards associated with Work

e. Planning for possible emergency situations: slides, cave-ins, wind storms, etc.

f. Housekeeping and clean-up

g. Training initial and continuing.

D. Accident Reporting

1. Reportable Accidents is defined as death, occupational disease, traumatic injury to employees or public, property damage by accident in excess of $100, and wild land fires.

2. For Reportable Accidents, call 911 and then immediately notify Contracting Officer or COR.

3. All other Accidents Contractor shall notify Contracting Officer and COR as soon as possible.

4. Assist Contracting Officer and other officials as required in the investigation of accidents.

PMIS #: 177071

1.4 WORK COMPLETION

A. Complete all Work within 45 calendar days after receipt of Notice to Proceed. The time stated for completion shall include final clean-up of the premises.

1.5 LOCATION

A. Chimborazo Visitor Center, Richmond National Battlefield Park, 3215 East Broad Street, Richmond, Virginia 23223.

1.6 CONTRACTOR'S USE OF PREMISES

A. Building will be open to the public during construction.

B. Coordinate construction efforts with the Contracting Officer Representative (COR) such that there is minimal impact to the work of the National Park Service personnel and the visiting public.

C. Take all necessary measures to protect public and employees from hazards associated with the work of this contract.

D. At all times conduct operations to ensure the least inconvenience to the public. Fence, barricade, or otherwise block off the immediate work area to prevent unauthorized entry. Erect and maintain fencing, barricades, lights, signals, and warning signs in accordance with latest MUTCD.

E. Construction Camp: The scope and size of the construction camp will be assigned to the Contractor by the park Contracting Officer’s Representative (COR).

F. Storage of materials: Confine storage of materials to an area as defined by the COR.

G. Preservation of Natural Features: Confine all operations to work limits of the Project. Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to Government.

1. Provide temporary barriers to protect existing trees and plants and root zones.

2. Do not remove, injure, or destroy trees or other plants without prior approval. Consult with the COR and remove agreed-on roots and branches that interfere with construction.

3. Do not fasten ropes, cables, or guys to existing trees.

H. Existing Utilities:

1. Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, repair utility at no additional expense to the Government.

I. Hauling Restrictions: Comply with all legal load restrictions in the hauling of materials. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the Park Superintendent. Information regarding rules and regulations for vehicular traffic on park roads may be obtained from the Office of the Park Superintendent. A special permit will not relieve Contractor of liability for damage, which may result from moving of equipment.

J. Hours of Operation:

1. Contractor's hours of operation at the site shall be normal working hours of the park staff from 7:00 AM to 3:30 PM, Monday thru Friday, unless otherwise allowed by the COR.

2. All work outside the above time period shall only occur with the written approval of the COR. No Work will occur at the site on days of the week that coincide with National Holidays or when the park is closed to the public due to weather emergencies.

3. Any weekend Work or overtime Work shall be verified in writing 48 (forty eight) hours in advance of that work being performed.

1.7 CONSTRUCTION MATERIALS

A. All materials, including borrow and aggregates, shall be Contractor-furnished from outside the Park.

B. Before beginning on-site Work, submit a list of materials that might be recycled during the course of the Contract. This list should name the material, recycling methods, and/or proposed disposal location. This list is for information only. Recycling is voluntary, but highly encouraged.

C. New Construction Materials: Contractor is encouraged to submit for approval products made out of recycled or environmentally responsible material. Every effort will be made by the NPS to approve these materials.

1.8 MEASUREMENT

A. It has been determined by the Government that the use of Metric Measurements (SI Units) is impracticable for this Project and may cause inefficiencies. Thus, Imperial Measurements, also known as Inch –Pound Measurements (IP Units), shall be cited and utilized throughout the Project.

PART 2 PRODUCTS NOT USED.

PART 3 EXECUTION NOT USED.

END OF SECTION

SECTION 013000 ADMINISTRATIVE REQUIREMENTS

PART 1 GENERAL

1 .1 DESCRIPTION

A. The work of this section consists of submittal requirements before and during construction.

1.

1. .2 SUBMITTAL AND APPROVAL PROCEDURES

1.

A. As specified in the individual sections, forward submittals to COR at least 10 days before need for approval. Unless a different number is specified, submit one reproducible original and two copies of each shop drawing, three copies of manufacturer's catalog sheets (cut sheets), and three copies of all other submittals requested. Submittals shall be accompanied by a Transmittal Sheet, form CM-16, included in Document 000600 -Project Forms.

1. Shop Drawings: Include the following information with each copy of shop drawings:

a. Date.

b. Date of revisions (when applicable).

c. Details of fabrication, assembly and erection including connections and engagement to contiguous work.

d. Materials used.

e. All required dimensions.

f. The term "by others" shall not be used. All work to be performed by others shall be identified by Contractor or subcontractor name, discipline, or trade.

B. Contracting Officer reserves the right to require submittals in addition to those called for in individual sections.

C. Coordinate all submittals and review them for legibility, accuracy, completeness, and compliance with contract requirements. Forward submittals that are related to or affect one another as a package to facilitate coordinated review. Each transmittal shall contain only data specific to that individual submittal.

D. Submittal Identification:

January 2015 ADMINISTRATIVE REQUIREMENTS 013000 -Page 1 of 3 Richmond National Battlefield Park Replace HVAC Systems and Components

PMIS #: 177071

1. Identification shall include the park name-package number, project title, contract number, and transmittal number.

E. Submittal Numbering:

1. Number each submittal consecutively.

2. For re-submittals use the original submittal number, plus a letter suffix beginning with A.

3. Additional re-submittals of the same item shall contain the original number with the next consecutive letter.

F. COR Review:

1. Submittals will be returned disapproved without technical review if identification information is missing, not filled in, or if placed on the back of the submittal; an incorrect number or format of submittals is provided; the transmittal form is incorrectly filled out; submittals are not coordinated; or submittals do not show evidence of Contractor's approval.

2. Any work done or orders for materials or services placed before approval shall be at the Contractor's own risk and cost.

3. After reviewing submittals, the COR will return one copy of applicable (marked up) submittal sheets to the Contractor. Shop drawing review notations will be returned on the reproducible original shop drawing. All other submitted items will be retained. The Contractor is responsible for producing additional copies for his/her own use.

4. The returned submittal will be marked in one of three ways as defined below:

a. APPROVED: Acceptable with no corrections.

January 2015 ADMINISTRATIVE REQUIREMENTS 013000 -Page 2 of 3

PART 2 PRODUCTS NOT USED.

PART 3 EXECUTION NOT USED.

END OF SECTION

January 2015 ADMINISTRATIVE REQUIREMENTS 013000 -Page 3 of 3

SECTION 230500 COMMON WORK RESULTS FOR HVAC

PART 1 GENERAL

1. 1 .1 DESCRIPTION

1. A. This section contains items of common or administrative nature that pertain to all mechanical work.

1. 1 .2 QUALITY ASSURANCE

1. A. All pressure vessels, including safety devices and appurtenances, shall comply with standards of and bear stamp of ASME.

1. 1 .3 COORDINATION

1. C. Make minor changes in piping, and equipment locations to suit actual conditions.

1. 1 .4 PROTECTION

1. A. Completely cover motors and other machinery to protect from dirt and water. Cap all openings in pipe and ductwork to protect against entry of foreign matter.

PART 2 PRODUCTS NOT USED.

PART 3 EXECUTION

1. 3 .1 CUTTING AND PATCHING

1. A. Perform or pay for all cutting, fitting, repairing, patching and finishing of work of other sections where it is necessary to disturb such work to permit installation of mechanical work.

1.

1. B. Before cutting of structural elements, obtain approval of Contracting Officer.

1.

1. Use only approved methods.

2. Cut all holes neatly and as small as possible to admit work.

3. Do not weaken walls or floors; locate holes in concrete to miss structural sections.

1. C. Locate openings and sleeves to permit neat installation of piping, ductwork and equipment.

1.

1. D. Do not remove or damage fireproofing materials.

1.

1. Install hangers, inserts, supports and anchors prior to installation of fireproofing.

2. Repair or replace fireproofing removed or damaged, at no extra cost.

1. 3 .2 PENETRATIONS

1. A. Where mechanical items penetrate fire and/or smoke rated walls, ceilings and floors, seal annular spaces with approved fire rated material to maintain fire and smoke ratings.

1.

1. 3 .3 INSTALLATION OF EQUIPMENT

1. A. Install all equipment in accordance with manufacturer's recommendations.

1. B. Provide all necessary anchoring devices and supports.

1.

1. C. Install equipment to permit easy access for normal maintenance.

1.

1. Maintain easy access to filters, motors, drives, etc.

2. Relocate items which interfere with access.

3. Connect equipment for ease of disconnecting. Provide isolation valves on both sides of equipment wherever new or existing equipment is installed to facilitate servicing, maintenance, and repair or replacement of equipment components.

1. D. Remove, relocate and re-install all existing mechanical equipment to be re-used.

1. E. Provide rough-in and final connections to all equipment requiring mechanical services.

1. F. Install all fittings, valves and other items furnished as integral part of equipment, but shipped loose.

1. 3 .4 WORK IN EXISTING BUILDING

1. A. Where relocation of existing equipment and piping systems is necessary in areas providing uninterruptible services, schedule work for minimal down time during unoccupied periods.

1. B. Assign an adequate crew to accomplish the job in the least possible time.

1. C. Fabricate and install interconnecting portions of these systems prior to shut-down for final connections.

1.

1. D. Locate existing piping and make connections as required.

1.

1. Do not cut into existing services without first verifying with Government that service has been correctly identified.

2. Perform work that interrupts any service (this includes cutting into existing lines for new connection) at time to cause the least interference to the normal operation of the building.

3. Inform Contracting Officer’s Representative in advance (minimum 7 days) of any shut-off that will occur and give estimate of duration.

4. Begin work only after Contracting Officers Representative is fully informed and has agreed to schedule of shut-offs.

1. 3 .5 FIELD QUALITY CONTROL

1.

1. A. Perform indicated tests to demonstrate workmanship, operation and performance.

1.

3. Furnish or arrange for use of electrical energy, water or gas required for tests.

4. Furnish all lubricating materials required for test.

1. B. Repair or replace equipment and systems found inoperative or defective and re-test.

1. C. Test equipment and systems as indicated for each item, unless otherwise recommended by manufacturer.

1. D. Do not install distribution systems above electrical panels or any other electrical equipment.

1. E. Install all equipment with adequate service and maintenance clearances.

1. 3 .6 ADJUST AND CLEAN

1. A. Inspect all equipment and put in good working order.

1. B. Clean all exposed and concealed Items.

1.

1. 3 .7 PUTTING SYSTEMS IN OPERATION -START-UP

1.

1. B. Operate all systems in good working order for period of 5 working days.

END OF SECTION

SECTION 238126 SPLIT-SYSTEM HEAT-PUMPS

PART 1 -GENERAL

1.1 SUMMARY

A. Section includes split-system heat-pump units consisting of separate evaporator-fan and compressor-condenser components.

1.2 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Shop Drawings: Include plans, elevations, sections, details, and attachments to other work.

1. Detail equipment assemblies and indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection.

C. Operation and maintenance data.

1.3 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. ASHRAE Compliance:

C. ASHRAE/IESNA Compliance: Applicable requirements in ASHRAE/IESNA 90.1.

1.4 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of split-system heat pump units those fail in materials or workmanship within specified warranty period.

1. Warranty Period:

a. For Compressor: Five year(s) from date of Substantial Completion.

b. For Parts: Five year(s) from date of Substantial Completion.

c. For Labor: One year from date of Substantial Completion.

PART 2 -PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

1. Carrier Corporation; Home Comfort and HVAC Building & Industrial Systems.

2. Coleman Company Inc. (The).

3. Friedrich Air Conditioning Company.

4. Lennox International Inc.

5. Trane; a business of American Standard companies.

6. YORK; a Johnson Controls company.

7. Goodman Manufacturing Company, L.P.

8. Heil Heating & Cooling Products; a division of International Comfort Products, LLC.

9. Lennox Industries Inc.

10. Rheem Manufacturing Company; Air Conditioning Division.

11. Ruud Air Conditioning Division.

12. Tempstar Heating & Cooling Products; a division of International Comfort Products, LLC.

2.2 INDOOR UNITS (5 TONS OR LESS)

A. Evaporator-Fan Components:

1. Cabinet: Enameled steel with removable panels on front and ends.

a. Discharge Grille: Steel with surface-mounted frame or welded steel bars forming a linear grille and welded into supporting panel.

b. Insulation: Faced, glass-fiber duct liner.

c. Drain Pans: Galvanized steel, with connection for drain; insulated.

2. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins and thermal-expansion valve. Comply with ARI 206/110.

3. Electric Coil: Electric coil shall be available as a field-installed option. Helical, nickel-chrome, resistance-wire heating elements; with refractory ceramic support bushings, automatic-reset thermal cutout, built-in magnetic contactors, manual-reset thermal cutout, airflow proving device, and one-time fuses in terminal box for overcurrent protection. Electric coil packages must provide single point power connection capability.

4. Fan: Direct drive, centrifugal.

5. Fan Motors:

a. 208/240V-1PH-60HZ.

b. Comply with NEMA designation, temperature rating, service factor, enclosure type, and efficiency requirements.

c. Multitapped, multispeed with internal thermal protection and permanent lubrication.

6. Air Filtration Section:

a. General Requirements for Air Filtration Section:

1) Comply with NFPA 90A. 2) Minimum Arrestance: According to ASHRAE 52.1 and MERV according to ASHRAE 52.2.

3) Filter-Holding Frames: Arranged for flat or angular orientation, with access doors on both sides of unit. Filters shall be removable from one side or lifted out from access plenum.

b. Disposable Panel Filters:

1) Factory-fabricated, viscous-coated, flat-panel type.

2) Thickness: 1 inch. 3) Arrestance according to ASHRAE 52.1: 80.

4) Merv according to ASHRAE 52.2: 5.

5) Media: Interlaced glass fibers sprayed with nonflammable adhesive and antimicrobial agent.

6) Frame: Galvanized steel, with metal grid on outlet side, steel rod grid on inlet side, and hinged; with pull and retaining handles.

2.3 OUTDOOR UNITS (5 TONS OR LESS)

A. Air-Cooled, Compressor-Condenser Components:

2.4 DUCTWORK

A. Galvanized steel ductwork sheet metal shall be carbon steel, of lock-forming quality, hot-dip galvanized, with regular spangle-type zinc coating, conforming to ASTM A 924/A 924M and ASTM A 653/A 653M, Designation G90. Conform to ASHRAE-07 ASHRAE-06, Chapter 16, ASHRAE FUN SI ASHRAE FUN IP, Chapter 32 and SMACNA 1481 for sheet metal thickness gages and reinforcement thickness.

B. A flexible duct connector of approximately 6 inches in width shall be provided where sheetmetal connections are made to fans or where ducts of dissimilar metals are connected. Flexible duct connector shall be fibrous glass fabric coated with inorganic elastomeric compound. The composite connector system shall comply with UL 214 and be classified as "flame-retarded fabrics" in UL-01.

2.5 THERMOSTAT

A. A programmable setback heat pump thermostat with sub-base. Heating/Cooling and Off operations, fan auto and on positions, auxiliary heat light.

2.6 ACCESSORIES

A. Automatic-reset timer to prevent rapid cycling of compressor.

B. Refrigerant Line Kits: Soft-annealed copper suction and liquid lines factory cleaned, dried, pressurized, and sealed; factory-insulated suction line with flared fittings at both ends.

C. Drain Hose: For condensate.

PART 3 -EXECUTION

3.1 REMOVAL

A. Removal of existing equipment shall be done after all necessary shutoffs and disconnections have occurred in the area to insure safe working conditions.

3.2 CUTTING AND REPAIRING

A. The Contractor shall do all necessary cutting and patching for the installation of his work. The patching shall be completed to the satisfaction of the COR. All disturbed surfaces shall be repaired with materials to match adjacent surfaces exactly and made water tight. Prior to cutting or drilling, the Contractor shall obtain approval of his layout with the COR.

PMIS #: 177071

3.3 INSTALLATION

A. Install units level and plumb.

B. Install evaporator-fan components using manufacturer's standard mounting devices securely fastened to building structure.

C. Equipment Mounting:

D. Install and connect precharged refrigerant tubing to component's quick-connect fittings. Install tubing to allow access to unit.

E. Run new piping in place of existing piping.

3.4 CONNECTIONS

A. Where piping is installed adjacent to unit, allow space for service and maintenance of unit.

B. Duct Connections: Connect supply and return ducts to split-system heat pump units with flexible duct connectors.

3.5 ELECTRICAL

A. Contractor shall verify exact electrical requirements of all equipment, motors and control devices and provide electrical power as actually required but, in no case, less than shown in the specification. Contractor shall provide branch circuit short circuit and ground fault protection required by NEC.

B. Outdoor heat pump units shall have water proof exterior mounted disconnect that is fused and rated for unit tonnage.

3.6 FIELD QUALITY CONTROL

A. Perform tests and inspections.

1. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections, and to assist in testing.

B. Tests and Inspections:

C. Remove and replace malfunctioning units and retest as specified above.

D. Prepare test and inspection reports.

3.7 DEMONSTRATION

A. Train maintenance personnel to adjust, operate, and maintain units.

3.8 CAPACITIES AND CHARACTERISTICS

INDOOR UNIT LOCATION

Cooling Capacity (Tons) Airflow (CFM)

INDOOR UNIT

OUTDOOR UNIT

NOTES

Basement Closet Vertical Air Handler Air-Cooled Heat Pump Furnish with 15 KW Auxiliary Electric Heat 1-st Floor Suspended Ceiling Horizontal Air Handler Air-Cooled Heat Pump Furnish with 15 KW Auxiliary Electric Heat

END OF SECTION 238126

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