B08_40534737_RFP_Att1_Specs.pdf

HEADQUARTERS HVAC MODIFICATIONS 001500 - 1

BITH LIST OF DRAWINGS AND SPECIFICATIONS

SECTION 001500

BIG THICKET NATIONAL PRESERVE

HEADQUARTERS HVAC MODIFICATIONS

LIST OF DRAWINGS AND SPECIFICATIONS

PART 1 – GENERAL

1.1 DESCRIPTION

A. List of Contract Drawings:

1. Index of Sheets:

T1 M1.1 M1.2

Cover Sheet HVAC Plan – First Floor HVAC Plan - Mezzanine

M1.3 M1.4 (M1 – E4)

Photographs Schedules and Details Original Mechanical and Electrical Plans (9 sheets)

14 Total Plan Sheets in this Contract

B. List of Contract Specifications

1. Index of Specifications

DIVISION 1 - GENERAL REQUIREMENTS

Section 001500 List of Drawings and Specifications Section 010000 General Requirements

DIVISION 9 - FINISHES

Section 092900 Section 099123

Gypsum Board Interior Painting

DIVISION 22 – PLUMBING

Section 223400 Fuel-Fired Domestic Water Heaters

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BITH LIST OF DRAWINGS AND SPECIFICATIONS

DIVISION 23 – HEATING, VENTILATION, AND AIR CONDITIONING

Section 230500 Section 230593 Section 230900 Section 231123 Section 232113 Section 232300 Section 233450 Section 235233 Section 236200

Common Work Results for HVAC Testing, Adjusting, and Balancing Instrumentation and Controls for HVAC Natural Gas Piping Hydronic Piping Refrigerant Piping Fans Boilers and Pumps Condensing Units

Section 237313 Section 238219

Indoor Central Station Air Handing Units Fan Coil Units

DIVISION 26 - ELECTRICAL

Section 260500

Electrical Materials and Methods

END OF SECTION 001500

HEADQUARTERS HVAC MODIFICATIONS 010000 -1

BITH GENERAL REQUIREMENTS

SECTION 010000 - GENERAL REQUIREMENTS

PART 1 - GENERAL

1.1 SUMMARY OF WORK

A. Work Covered by the Contract Documents: The Work includes the following:

1. Replacement of 2 boilers and associated plumbing, electrical, and controls.

2. Replacement of domestic water heater and associated plumbing and electrical.

3. Removal of decommissioned outside air cooled condensing unit and inside fan coil unit.

4. Replacement of restroom and shower room exhaust fans and controls.

5. Replacement of chilled and hot water fan coil units in existing air handling units and make-up air units.

6. Investigation and documentation of existing control system, and recommendations for upgrades or replacement.

7. Testing and balancing of new equipment.

B. Project Location: The Project is located at the Headquarters Building of the Big Thicket National Preserve, approximately 25 miles northwest of Beaumont, Texas on US Highway 287.

C. Definition of Contract Line Items: Contractor proposal shall list each line item. Government may not award Option Items, depending on funding availability.

1. Base Item No. 1 – Equipment Replacement: This item consists of all materials, labor, and incidentals to replace existing HVAC equipment and install new equipment.

a. Measurement for payment will be on a lump sum basis as a single item of work.

Payment will be made at the contract lump sum price.

2. Optional Item No. 2 – Documentation of Control System.

a. Measurement for payment will be on a lump sum basis as a single item of work.

Payment will be made at the contract lump sum price.

D. Contractor’s Use of Premises

1. General: Contractor shall have full use of premises for construction operations, including use of Project site, during construction period.

2. Storage of Materials: Confine storage of materials to immediate vicinity of project site, unless directed otherwise by Contracting Officer.

3. Use of Site: Limit use of premises to Construction areas. Do not disturb portions of Project site beyond areas in which the Work is indicated.

a. Preservation of Natural Features:

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1) Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government.

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

3) Do not remove, injure, or destroy trees or other plants without prior approval. Consult with Contracting Officer and remove agreed upon roots and branches that interfere with construction.

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

5) Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

b. Government Occupancy: Allow for Government occupancy of Project site.

c. Driveways and Entrances: Keep driveways and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

d. Use of Existing Building: Maintain existing building in a weathertight condition throughout construction period. Repair damage caused by construction operations.

Protect building and its occupants during construction period.

4. 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.

E. Work Restrictions

1. On-Site Work Hours: Work shall be generally performed during normal business working hours of 7:30 a.m. to 4:30 p.m., Monday through Friday, except as otherwise arranged with Contracting Officer.

2. Special Construction Requirements:

a. Exotic Vegetation and Noxious Weeds

1) Cleaning of Equipment

a) The Contractor shall ensure that prior to moving on to the Project Area, all equipment, is free of soil, seeds, vegetative matter, or other debris that could contain or hold seeds. Contractor shall ensure that all equipment has been pressure washed and is free of exotic species prior to start-up of operations and moving of equipment to Project Area. Equipment shall be considered free of soil, seeds and other such debris when a visual inspection does not disclose such material.

Disassembly of equipment components or specialized inspection tools is not required.

b) Contractor shall notify the Contracting Officer at least 2 days prior to moving any equipment onto the Project Area. Notification will include identifying the location of the equipment’s most recent

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operations. The Contractor shall arrange for the Contracting Officer to inspect each piece of equipment prior to it being placed in service.

b. Avoid Soil Compaction

1) Avoid compaction from heavy equipment to surrounding area by keeping equipment inside the limits of work specified above. If work outside the limits is necessary do so only when the soil is dry.

2) Compacted soils must be ripped or decompacted post construction to enable vegetation.

3) All disturbances must be returned to grade and any tracks from equipment must be raked out.

3. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated.

a. Notify Contracting Officer not less than two days in advance of proposed utility interruptions.

b. Do not proceed with utility interruptions without Contracting Officer’s written permission.

PART 2 - PRODUCTS - NOT USED

PART 3 - EXECUTION

3.1 PROJECT MANAGEMENT AND COORDINATION

A. Project Meetings

1. Pre-construction Conference: Before start of construction, Contracting Officer may arrange an on-site meeting with Contractor. The meeting agenda may include the following:

a. Roles and Responsibilities/Lines of Authority.

b. Park rules and regulations.

c. Coordination of Subcontractors.

d. Labor law application.

e. Modifications.

f. Payments to Contractor.

g. Payroll reports.

h. Contract time.

i. Liquidated damages.

j. Notice to proceed.

k. Construction Schedule.

l. Correspondence procedures.

m. Acceptance/rejection of work.

n. Progress meetings.

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o. Submittal procedures.

p. As-constructed drawings/operation and maintenance (O&M) manuals.

q. Saturday, Sunday, holiday and night work.

r. Reference materials.

s. Value engineering.

t. Submittals required prior to or at Preconstruction Conference:

1) Letter designating the Project Superintendent.

2) Proposed construction schedule.

3) Schedule of values.

4) Accident prevention plan.

5) A list of Subcontractors for this project.

6) Written statements from subcontractors certifying compliance with applicable labor standard clauses.

7) Satisfactory evidence of liability insurance coverage and workman’s compensation for the Contactor and all subcontractors.

8) Waste management plan.

9) Quality control plan.

u. Project closeout requirements.

2. Progress Meetings: The Contracting Officer may schedule weekly meetings with the Contractor and subcontractors. The meeting agenda may include the following:

a. Submittal status.

b. Review of off-site fabrication and delivery schedules.

c. Requests for information (RFI) and other issues.

d. Modifications.

e. Work in progress and projected.

f. Construction Schedule update.

g. Status of Project Record Drawings and O&M manuals.

h. Other business relating to work.

3.2 SCHEDULES

A. After contract award and before the Pre-Construction Conference submit:

1. Schedule of Values

a. Breakdown each lump-sum item into component parts of work for which progress payments may be requested. The total costs for the component parts of work shall equal the contract price for that lump-sum item. The Contracting Officer may request data to verify accuracy of dollar values. Include mobilization, general condition costs, overhead and profit in the total dollar value of unit price items and in the component parts of work for each lump-sum item. Do not include mobilization, general condition costs, overhead or profit as a separate item.

b. Do not break down unit price items. Use only the contract price for unit price items.

c. The total cost of all items shall equal the contract price. The Schedule of Values will form the basis for progress payments.

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d. An acceptable Schedule of Values shall be agreed upon by the Contractor and Contracting Officer before the first progress payment is processed.

2. Construction Schedule

a. Prepare a list of all activities required to complete the Work. Prepare a skeleton network to identify probable critical paths.

b. Identify milestones in schedule including, but not limited to, the Notice to Proceed, Substantial Completion, and Final Completion.

c. Upon acceptance of the Construction Schedule by the Contracting Officer, the Construction Schedule will be used to evaluate the Contractor's monthly applications for payment.

3.3 SUBMITTALS

A. Submittal Procedures

1. Prepare and submit Submittals required by individual Specification Sections. Transmit each submittal using National Park Service transmittal form CM-16, which can be obtained from Contracting Officer.

2. Processing Time: Allow enough time for submittal review, including time for re-submittals, as follows. Time for review shall commence on Contracting Officer’s receipt of submittal. No extension of the Contract Time will be authorized because of failure to transmit submittals enough in advance of the Work to permit processing, including re-submittals.

a. Initial Review: Allow 15 days for initial review of each submittal. Allow additional time if coordination with subsequent submittals is required.

b. Re-submittal Review: Allow 15 days for review of each re-submittal.

3. Approved Equals

a. For each item proposed as an approved equal, submit supporting data, including:

1) Drawings and samples as appropriate.

2) Comparison of the characteristics of the proposed item with that specified.

3) Changes required in other elements of the work because of the substitution.

4) Name, address, and telephone number of vendor.

5) Manufacturer's literature regarding installation, operation, and maintenance.

b. A request for approval constitutes a representation that Contractor:

1) Has investigated the proposed item and determined that it is equal or superior in all respects to that specified.

2) Will provide the same warranties for the proposed item as for the item specified.

3) Has determined that the proposed item is compatible with interfacing items.

4) Will coordinate the installation of an approved item and make all changes required in other elements of the work because of the substitution.

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5) Waives all claims for additional expenses that may be incurred as a result of the substitution.

B. Electronic Submittals: Identify and incorporate information in each electronic submittal file as follows:

1. CM-16E Transmittal Form: All material submittals shall be transmitted using National Park Service form CM-16E. (This form can be downloaded from http://www.nps.gov/dscw/con_subreviewe.htm. Refer to the “Instructions to Electronically Edit the CM-16E Transmittal Form” guideline.) No action will be taken on a material submittal item unless accompanied by the transmittal form.

a. Complete the Contractor portion (indicated in white) on form CM-16E.

b. Provide a certified digital signature on form CM-16E where indicated.

c. Attach all related documents in PDF format.

2. Name file with submittal number or other unique identifier, including revision identifier.

C. Hardcopy Submittals:

1. Hardcopy submittals will be accepted in lieu of electronic submittals.

2. Use the same transmittal form as specified above.

3. Complete all sections as specified above.

4. Signature and attached related documents do not need to be electronic format.

5. Number of copies:

a. Submit four copies, unless otherwise indicated. Contracting Officer will return one copy. Retain copy as a Project Record Document.

D. Contractors Review: Review each submittal and check for coordination with other Work of the Contract and for compliance with the Contract Documents. Note corrections and field dimensions.

E. Contracting Officer’s Action: Contracting Officer or his/her authorized representative will review each submittal, make marks to indicate corrections or modifications required, and return one copy.

F. Shop Drawings, Product Data, and Samples

1. As specified in the individual sections, forward submittals to Contracting Officer at least fifteen (15) days before need for approval. Unless a different number is specified, submit three copies of each shop drawing and three copies of all other submittals requested.

2. After approving submittals, Contracting Officer will return one copy to the Contractor.

3. If submittals are not approved, Contracting Officer will return one copy to Contractor with reasons for rejection. Resubmit and identify changes.

G. Manufacturer's Installation Instructions - When contract documents require compliance with manufacturer's printed instructions, provide one complete set of instructions for Contracting Officer and keep another complete set of instructions at the project site until substantial completion.

3.4 SAFETY REQUIREMENTS

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A. Description: The work consists of establishing and implementing an effective accident prevention program and providing a safe environment for all personnel and visitors.

B. Submittals

1. Accident Prevention Plan - The Plan shall be written to comply with OSHA and project requirements including but not limited to the following:

a. Name of responsible supervisor to carry out the program.

b. Weekly safety meetings.

c. First aid procedures.

d. Outline the work and associated hazards, and the methods proposed to ensure property protection and safety of the public, National Park Service personnel, and Contractor's employees.

e. Planning for possible emergency situations.

f. Fire Protection.

g. Fall protection plan.

h. Measures planned for the protection of park visitors and employees from objects falling from the roofs.

C. Qualification of Employees

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

2. Do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

3. Operators of vehicles, mobile equipment, hoisting equipment, and hazardous plant equipment shall be able to understand signs, signals, and operating instructions, and be capable of operating such equipment. Provide operating instructions for all equipment.

D. Accident Reporting

1. Reportable Accidents: A reportable accident is defined as death, occupational disease, traumatic injury to employees or the public, fires, and property damage by accident in excess of $100. Notify Contracting Officer immediately in the event of a reportable accident. Within 7 days of a reportable accident, fill out and forward to Contracting Officer an Accident/Property Damage Report (Form CM-22). Form may be obtained from the Contracting Officer.

2. All Other Accidents: The Contractor shall report all other accidents to the Contracting Officer as soon as possible and assist the Contracting Officer and other officials as required in the investigation of the accident.

E. Personnel Protective Equipment: Meet requirements of National Institute for Occupational Safety and Health (NIOSH) and OSHA.

F. Emergency Instructions: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

G. Protective Equipment

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1. Inspect personal protective equipment daily and maintain in a serviceable condition.

Clean, sanitize, and repair, as appropriate, personal items before issuing them to another individual.

2. Inspect and maintain other protective equipment and devices before use and on a periodic basis to ensure safe operation.

3. It is the Contractor's responsibility to require all those working on or visiting the site to wear hard hats and other necessary protective equipment at all times.

3.5 QUALITY REQUIREMENTS

A. Testing and inspecting services are the responsibility of the Contractor and are required to verify compliance with requirements specified or indicated. These services do not relieve Contractor of responsibility for compliance with the Contract Document requirements. The quality of all work shall be the responsibility of the Contractor.

B. Submittals

1. Quality Control Plan

a. A list of personnel responsible for quality control and assigned duties.

b. Names, qualifications, and descriptions of laboratories to perform sampling and testing, and samples of proposed report forms.

c. Methods of performing, documenting, and enforcing quality control of all work.

2. Contractor's Quality Control Daily Reports: Submit showing all inspections and tests on the first workday following the date covered by the report.

3. Test Reports.

C. Quality Assurance

1. The Contractor's Quality Control Supervisor may also perform the duties of Project Superintendent.

2. Installer Qualifications: A firm or individual experienced in installing, erecting, or assembling work similar in material, design, and extent to that indicated for this Project, whose work has resulted in construction with a record of successful in-service performance.

3. Testing Agency Qualifications: An NRTL or an independent agency with the experience and capability to conduct testing and inspecting indicated, as documented according to ASTM E 329; and with additional qualifications specified in individual Sections; and where required by Contract, is acceptable to the Contracting Officer.

3.6 REFERENCES

A. Industry Standards

1. Applicability of Standards: Unless the Contract Documents include more stringent requirements, applicable construction industry standards have the same force and effect as if bound or copied directly into the Contract Documents to the extent referenced. Such standards are made a part of the Contract Documents by reference.

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2. Publication Dates: Comply with standards in effect as of date of the Contract Documents unless otherwise indicated.

3.7 TEMPORARY FACILITIES AND CONTROLS

A. Temporary Facilities

1. Storage and Fabrication Sheds: Temporary weather tight sheds or other covered facilities for storage of materials subject to weather damage. Number and size of structures shall be subject to Contracting Officer's approval.

2. Contractor is permitted to use Government sanitary facilities, as long as they are maintained in good condition.

3. Waste Disposal Facilities: Provide waste-collection containers in sizes adequate to handle waste from construction operations. Use of Government waste containers will not be permitted.

B. Temporary Utilities

1. Potable water is available on site at the Headquarters Building for contractor use without metering and without payment of use charges. Make connections to existing facilities as needed. Facilities must be cleaned and maintained in a condition acceptable to the National Park Service. At Substantial Completion, restore these facilities to condition existing before initial use.

2. Electric Power Service: Use of existing electric power service will be permitted, as long as equipment is maintained in a condition acceptable to the National Park Service. When temporary connections are removed, restore existing utility services to their original condition.

a. Electric Power Service: Electric power from existing system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations.

b. Electric Service: Comply with NECA, NEMA, and UL standards and regulations for temporary electric service. Install service to comply with NFPA 70.

3. Telephone Service: Government telephone service is not available on site for Contractor's use. Cellular service is reliable in this area.

C. Security and Protection of Facilities

1. Temporary Fire Protection: Install and maintain temporary fire-protection facilities of types needed to protect against reasonably predictable and controllable fire losses.

Comply with NFPA 241.

a. Responsible Person: A capable and qualified person shall be placed in charge of fire protection. The responsibilities shall include locating and maintaining fire protective equipment and establishing and maintaining safe torch cutting and welding procedures.

b. Smoking: Smoking within buildings or temporary storage sheds is prohibited.

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c. Supervise welding operations, combustion-type temporary heating units, and similar sources of fire ignition according to requirements of National Park Service.

Check with park; many require burn permits for welding.

d. Hazard Control: Take all necessary precautions to prevent fire during construction. Do not store flammable or combustible liquids in structures. Provide adequate ventilation during use of volatile or noxious substances.

e. Spark Arresters: Equip all gasoline or diesel-powered equipment used during periods of potential fire hazards or in potential forest and grass fire locations with spark arresters approved by the USDA Forest Service.

1) Written determinations of periods and areas of potential fire hazard will be issued by Contracting Officer.

2. Fire Extinguishers: Portable, UL rated; with class and extinguishing agent as required by locations and classes of fire exposures.

a. Buildings: Furnish a minimum of one extinguisher for each 1,500 square feet (452.2 m) of area or major fraction thereof.

1) Travel distance from any work station to the nearest extinguisher shall not exceed 75 feet (22.86 m).

b. Vehicles and Equipment: Provide one extinguisher on each vehicle or piece of equipment.

3.8 PRODUCT REQUIREMENTS

A. Product Delivery, Storage, and Handling: Deliver, store, and handle products using means and methods that will prevent damage, deterioration, and loss, including theft. Comply with manufacturer's written instructions.

B. Packaging: Where Contractor has the option to provide one of the listed products or equal, preference shall be given to products with minimal packaging and easily recyclable packaging as defined in ASTM D5834.

C. Protection After Installation: Provide adequate coverings as necessary to protect installed materials from damage resulting from natural elements, traffic, and subsequent construction.

Remove when no longer needed.

3.9 EXECUTION

A. Examination: The existence and location of underground and other utilities and construction indicated as existing are not guaranteed. Investigate and verify existence and location of utilities and other construction.

B. Preparation: Take field measurements as required to fit the work properly. Where portions of the work are indicated to fit to other construction, verify dimensions of other construction by field measurements before fabrication.

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3.10 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT AND DISPOSAL

A. The project shall minimize the creation of construction, deconstruction, and demolition waste to protect and restore natural habitat and resources. Factors that contribute to waste such as over packaging, improper storage, ordering error, poor planning, breakage, mishandling, and contamination shall be minimized.

B. Submittal

1. Waste Management Plan

a. Develop plan consisting of waste identification and waste reduction work plan.

List each type of waste and whether it will be salvaged, recycled, or disposed of in landfill or incinerator.

1) Salvaged Materials for Reuse: For materials that will be salvaged and reused in this Project, describe methods for preparing salvaged materials before incorporation into the Work.

2) Salvaged Materials for Sale or Donation: Include a list of local receivers for materials that will be sold or donated to individuals and organizations.

3) Recycled Materials: Include list of local receivers and processors and type of recycled materials each will accept.

4) Disposed Materials: Indicate how and where materials will be disposed of.

3.11 CLOSEOUT PROCEDURES

A. Closeout Requirements:

1. Submit specific warranties, guarantees, workmanship bonds, final certifications, and similar documents.

2. Submit Project Record Drawings.

a. Maintain one complete full-size set of contract drawings and one full-size set of vendor-supplied drawings. Clearly mark changes, deletions, and additions using National Park Service drafting standards to show actual construction conditions.

Show additions in red, deletions in green, and special instructions in blue.

3. Submit Operation and maintenance manuals and data.

a. Manuals: Include a title page which includes project title, location, contract number, prime contractors name and address, and date of substantial completion.

Organize each manual with a separate section for each system or product.

b. Include manufacturer’s data, vendor furnished drawings, equipment data sheets, schedules, emergency instructions, etc.

c. Include operational requirements such as operating standards, procedures, controls, etc.

d. Include maintenance requirements such as maintenance procedures, repair materials, warranties, reordering information, environmental requirements, etc.

4. Deliver tools, spare parts, and extra materials.

5. Terminate and remove temporary facilities from Project site.

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6. Complete final cleaning requirements, including touchup painting.

7. Touch up and otherwise repair and restore marred exposed finishes to eliminate visual defects.

8. Instruct National Park Service personnel in operation, adjustment, and maintenance of products, equipment, and systems.

B. Substantial Completion and Final Inspection

1. When project is substantially complete, request, in writing, a final inspection. Upon receipt of written request that project is substantially complete, the Contracting Officer will proceed with inspection within 10 days of receipt of request or will advise the Contractor of items that prevent the project from being designated as substantially complete.

2. If, following final inspection, the work is determined to be substantially complete, Contracting Officer will prepare a Punch List to be corrected before final acceptance and issue a Letter of Substantial Completion. Contractor shall complete the work described on the Punch List within 30 calendar days, as weather permits. If the Contractor fails to complete the work within this time frame, the Contracting Officer may either replace or correct the work with an appropriate reduction in the contract price.

3. If, following final inspection, the work is not determined to be substantially complete;

Contracting Officer will notify Contractor in writing. After completing work, Contractor shall request a new final inspection.

4. After all deficiencies have been corrected, a Letter of Final Acceptance will be issued.

C. Final Cleaning

1. Provide final cleaning. Conduct cleaning and waste-removal operations to comply with local laws and ordinances and Federal and local environmental and antipollution regulations.

2. Cleaning Agents: Use cleaning materials and agents recommended by manufacturer or fabricator of the surface to be cleaned. Do not use cleaning agents that are potentially hazardous to health or property or that might damage finished surfaces.

3. Comply with safety standards for cleaning. Do not burn waste materials. Do not bury debris or excess materials on Government property. Do not discharge volatile, harmful, or dangerous materials into drainage systems. Remove waste materials from Project site and dispose of lawfully.

D. Post-Construction Inspection - Before expiration of warranty period, Contracting Officer will inspect project and notify Contractor in writing of all deficiencies.

END OF SECTION 010000

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BITH GYPSUM BOARD

SECTION 092900

GYPSUM BOARD

PART 1 – GENERAL

1.1 SUMMARY

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

1. Gypsum board and accessories.

2. Metal suspension systems.

3. Gypsum board finishing.

4. Trim and accessories.

1.2 SUBMITTALS

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

1.3 DELIVERY, STORAGE AND HANDLING

A. Store materials inside under cover and keep them dry and protected against weather, condensation, direct sunlight, construction traffic, and other potential causes of dam-age. Stack panels flat and supported on risers on a flat platform to prevent sagging.

1.4 FIELD CONDITIONS

A. Environmental Limitations: Comply with ASTM C 840 requirements or gypsum board manufacturer's written recommendations, whichever are more stringent.

B. Do not install panels that are wet, those that are moisture damaged, and those that are mold damaged.

1. Indications that panels are wet or moisture damaged include, but are not limited to, discoloration, sagging, or irregular shape.

2. Indications that panels are mold damaged include, but are not limited to, fuzzy or splotchy surface contamination and discoloration.

PART 2 – PRODUCTS

2.1 INTERIOR GYPSUM BOARD

A. General: Complying with ASTM C 36/C 36M or ASTM C 1396/C 1396M, as appli-cable to type of gypsum board indicated and whichever is more stringent.

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1. Available Manufacturers: Subject to compliance with requirements, manufac-turers offering products that may be incorporated into the Work include, but are not limited to, the following:

2. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. American Gypsum Co.

b. BPB America Inc.

c. G-P Gypsum.

d. Lafarge North America Inc.

e. National Gypsum Company.

f. PABCO Gypsum.

g. Temple.

h. USG Corporation.

B. Ceiling Type (use in Janitor Room and Women’s Restroom): Manufactured to have more sag resistance than regular-type gypsum board.

1. Thickness: 5/8 inch (15.9 mm), Type X.

2. Long Edges: Tapered.

C. Mold-Resistant Ceiling Type (use in Women’s Shower): Manufactured to have more sag resistance than regular-type gypsum board.

1. Thickness: 5/8 inch (15.9 mm), Type X.

2. Long Edges: Tapered

3. Mold Resistance: ASTM D 3273, score of 10 as rated according to

ASTM D 3274.

2.2 TRIM ACCESSORIES

A. Interior Trim: ASTM C 1047.

1. Material: Galvanized or aluminum-coated steel sheet or rolled zinc.

2. Shapes:

a. Cornerbead.

b. LC-Bead: J-shaped; exposed long flange receives joint compound.

c. L-Bead: L-shaped; exposed long flange receives joint compound.

d. U-Bead: J-shaped; exposed short flange does not receive joint compound.

e. Expansion (Control) Joint.

2.3 JOINT TREATMENT MATERIALS

A. General: Comply with ASTM C 475/C 475M.

B. Joint Tape:

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1. Interior Gypsum Wallboard: Paper.

C. Joint Compound for Interior Gypsum Wallboard: For each coat use formulation that is compatible with other compounds applied on previous or for successive coats.

1. Prefilling: At open joints, rounded or beveled panel edges, and damaged surface areas, use setting-type taping compound.

2. Embedding and First Coat: For embedding tape and first coat on joints, fasten-ers, and trim flanges, use setting-type taping compound.

a. Use setting-type compound for installing paper-faced metal trim accesso-ries.

3. Fill Coat: For second coat, use setting-type, sandable topping compound.

4. Finish Coat: For third coat, use setting-type, sandable topping compound.

2.4 CEILING SUPPORT MATERIALS

A. Re-use existing

2.5 AUXILIARY MATERIALS

A. General: Provide auxiliary materials that comply with referenced installation stand-ards and manufacturer's written recommendations.

B. Laminating Adhesive: Adhesive or joint compound recommended for directly adher-ing gypsum panels to continuous substrate.

1. Use adhesives that have a VOC content of 50 g/L or less when calculated ac-cording to 40 CFR 59, Subpart D (EPA Method 24).

C. Steel Drill Screws: ASTM C 1002, unless otherwise indicated.

PART 3 – EXECUTION

3.1 PREPARATION

A. Remove all existing items from ceiling such as light fixtures, air diffusers and grilles, and fire alarm devices. Store and protect from damage.

B. Remove existing gypsum board from ceiling. Dispose of properly.

C. Remove ceiling support materials to the extent needed to facilitate removal of existing HVAC equipment and installation of new equipment. Re-install ceiling support mate-rials.

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D. Examine panels before installation. Reject panels that are wet, moisture damaged, and mold damaged.

E. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PERFORMANCE REQUIREMENTS

A. Fabricate and install systems as indicated but not less than that required to comply with ASTM C754 under the following conditions:

1. Interior suspended ceilings and soffits: Maximum deflection of l/360 of dis-tance between supports.

B. Fire Resistance Ratings: Provide materials and application procedures identical to those listed by UL or tested according to ASTM E119 to match existing conditions and type of construction.

3.3 APPLYING AND FINISHING PANELS, GENERAL

A. Install interior gypsum board in the following locations:

1. Type X Ceiling Type: Janitor and Women’s Restroom ceilings.

2. Type X Moisture Resistant Ceiling Type: Women’s Shower.

B. Comply with ASTM C 840.

C. Use screws to attach gypsum board panels to ceiling support materials.

D. Install ceiling panels across framing to minimize the number of abutting end joints and to avoid abutting end joints in central area of each ceiling. Stagger abutting end joints of adjacent panels not less than one framing member.

E. Install panels with face side out. Butt panels together for a light contact at edges and ends with not more than 1/16 inch (1.5 mm) of open space between panels. Do not force into place.

F. Locate edge and end joints over supports, except in ceiling applications where inter-mediate supports or gypsum board back-blocking is provided behind end joints. Do not place tapered edges against cut edges or ends. Stagger vertical joints on opposite sides of partitions. Do not make joints other than control joints at corners of framed openings.

3.4 APPLYING INTERIOR GYPSUM BOARD

A. Single-Layer Application:

1. On ceilings, apply gypsum panels at right angles to framing.

2. Fastening Methods: Apply gypsum panels to supports with steel drill screws.

HEADQUARTERS HVAC MODIFICATIONS 092900 - 5

3.5 INSTALLING TRIM ACCESSORIES

A. General: For trim with back flanges intended for fasteners, attach to framing with same fasteners used for panels. Otherwise, attach trim according to manufacturer's written instructions.

B. Control Joints: Install control joints according to ASTM C 840 and in specific loca-tions approved by CO for visual effect.

C. Interior Trim: Install in the following locations:

1. LC-Bead: Use at exposed panel edges.

3.6 APPLYING TEXTURE FINISHES

A. Surface Preparation and Primer: Prepare and apply primer to gypsum panels and other surfaces receiving texture finishes. Apply primer to surfaces that are clean, dry, and smooth.

B. Texture Finish Application: Mix and apply finish using powered spray equipment, to produce a uniform texture free of starved spots or other evidence of thin application or of application patterns.

C. Gypsum Board Finish: Apply finish equal to finish on ceiling that was removed.

1. Primer and its application to surfaces are specified in Section 099123 "Interior

Painting."

END OF SECTION 092900

HEADQUARTERS HVAC MODIFICATIONS 092900 - 6

THIS PAGE IS INTENTIONALLY LEFT BLANK

BITH

099123 - 1

INTERIOR PAINTING

SECTION 099123 - INTERIOR PAINTING

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes surface preparation and the application of paint systems on interior gypsum board.

1.2 DEFINITIONS

A. Gloss Level 5: 35-70 units at 60 degrees, according to MPI and ASTM D 523.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product. Include preparation requirements and application instructions.

B. Samples: For each type of paint system and in each color and gloss of topcoat.

C. Product List: For each product indicated. Include printout of current "MPI Approved Products List" for each product category specified in Part 2, with the proposed product highlighted.

1.4 CLOSEOUT SUBMITTALS

A. Maintenance Materials: Provide 1 quart of primer and 1 quart of topcoat paint.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to products listed in other Part 2 articles for the paint category indicated.

2.2 PAINT, GENERAL

A. MPI Standards: Provide products that comply with MPI standards indicated and that are listed in its "MPI Approved Products List."

B. Material Compatibility:

099123 - 2

INTERIOR PAINTING

1. Provide materials for use within each paint system that are compatible with one another and substrates indicated, under conditions of service and application as demonstrated by manufacturer, based on testing and field experience.

2. For each coat in a paint system, provide products recommended in writing by manufacturers of topcoat for use in paint system and on substrate indicated.

C. VOC Content: Products shall comply with the following VOC limits, exclusive of colorants added to a tint base, when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

1. Nonflat Paints and Coatings: 150 g/L.

2. Primers, Sealers, and Undercoaters: 200 g/L.

D. Colors: As follows, or as selected by Contracting Officer (CO) from manufacturer's full range.

2.3 PRIMERS/SEALERS

A. Primer Sealer, Interior, Institutional Low Odor/No VOC: MPI #149.

1. Sherwin Williams: ProMar 200 Zero VOC Latex Primer, B268W2600.

2.4 WATER-BASED PAINTS

A. Latex, Interior, Institutional Low Odor/No VOC, (Gloss Level 5)

1. Sherwin Williams: ProMar 200 Zero VOC Latex , Semi-Gloss.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates and conditions, with Applicator present, for compliance with requirements for maximum moisture content and other conditions affecting performance of the Work.

B. Maximum Moisture Content of Substrates: When measured with an electronic moisture meter as follows:

1. Gypsum Board: 12 percent.

C. Verify suitability of substrates, including surface conditions and compatibility with existing finishes and primers.

D. Proceed with coating application only after unsatisfactory conditions have been corrected.

1. Application of coating indicates acceptance of surfaces and conditions.

099123 - 3

INTERIOR PAINTING

3.2 PREPARATION

A. Comply with manufacturer's written instructions and recommendations in "MPI Manual" applicable to substrates indicated.

B. Remove hardware, covers, plates, and similar items already in place that are removable and are not to be painted. If removal is impractical or impossible because of size or weight of item, provide surface-applied protection before surface preparation and painting.

1. After completing painting operations, use workers skilled in the trades involved to reinstall items that were removed. Remove surface-applied protection if any.

C. Clean substrates of substances that could impair bond of paints, including dust, dirt, oil, grease, and incompatible paints and encapsulants.

1. Remove incompatible primers and re-prime substrate with compatible primers or apply tie coat as required to produce paint systems indicated.

3.3 APPLICATION

A. Apply paints according to manufacturer's written instructions and to recommendations in "MPI Manual."

B. Apply paints to produce surface films without cloudiness, spotting, holidays, laps, brush marks, roller tracking, runs, sags, ropiness, or other surface imperfections. Cut in sharp lines and color breaks.

3.4 CLEANING AND PROTECTION

A. Protect work of other trades against damage from paint application. Correct damage to work of other trades by cleaning, repairing, replacing, and refinishing, as approved by Architect, and leave in an undamaged condition.

B. At completion of construction activities of other trades, touch up and restore damaged or defaced painted surfaces.

3.5 INTERIOR PAINTING SCHEDULE

A. Gypsum Board Substrates:

1. Institutional Low-Odor/VOC Latex System:

a. Prime Coat: Primer sealer, interior, institutional low odor/No VOC.

b. Intermediate Coat: Latex, interior, institutional low odor/VOC, matching topcoat.

c. Topcoat: Latex, interior, institutional low odor/No VOC, (Gloss Level 5).

099123 - 4

INTERIOR PAINTING

END OF SECTION 099123

HEADQUARTERS HVAC MODIFICATIONS 223400 - 1

BITH FUEL-FIRED DOMESTIC WATER HEATERS

SECTION 223400

FUEL-FIRED DOMESTIC WATER HEATERS

PART 1 – GENERAL

1.1 SUMMARY

A. This Section includes the following fuel-fired water heaters:

1. Commercial, power-burner, storage, gas water heaters.

1.2 SUBMITTALS

A. Product Data: For each type and size of water heater indicated. Include rated capaci-ties, operating characteristics, furnished specialties, and accessories.

B. Shop Drawings: Diagram power, signal, and control wiring.

C. Sample Warranty.

1.3 CLOSEOUT SUBMITTALS

A. Operation and maintenance data.

B. Warranty.

1.4 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to the CO, and marked for in-tended use.

B. ASHRAE/IESNA 90.1-2015.

C. ASME Compliance: Where ASME-code construction is indicated, fabricate and label commercial water heater storage tanks to comply with ASME Boiler and Pressure Vessel Code: Section VIII, Division 1.

D. Comply with NSF 61, "Drinking Water System Components - Health Effects; Sec-tions 1 through 9" for all components that will be in contact with potable water.

1.5 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to re-pair or replace components of fuel-fired water heaters that fail in materials or work-manship within specified warranty period.

B. Failures include, but are not limited to, the following:

HEADQUARTERS HVAC MODIFICATIONS 223400 - 2

1. Structural failures including storage tank and supports.

2. Faulty operation of controls.

3. Deterioration of metals, metal finishes, and other materials beyond normal use.

C. Warranty Period(s): From date of Substantial Completion:

D. Commercial Gas Water Heaters: 3 year limited tank and 1-year parts.

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply to product selection:

B. Available Manufacturers: Subject to compliance with requirements, manufacturers of-fering products that may be incorporated into the Work include, but are not limited to, manufacturers specified.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the manufacturers specified.

2.2 COMMERCIAL, GAS WATER HEATERS

A. Commercial, Power Burner, Storage, Gas Water Heaters: Comply with

ANSI Z21.10.3/CSA 4.3.

B. Basis of Design: State Water Heaters Polaris High Efficiency

C. Available Manufacturers:

1. American Water Heater Company.

2. Bock Water Heaters, Inc.

3. Bradford White Corporation.

4. GSW Water Heating Company.

5. HESco Industries, Inc.

6. Lochinvar Corporation.

7. PVI Industries, LLC.

8. Rheem Water Heater Div.; Rheem Manufacturing Company.

9. Ruud Water Heater Div.; Rheem Manufacturing Company.

10. Smith, A. O. Water Products Company.

11. State Industries, Inc.

D. Construction:

1. Storage-Tank Construction: 444 stainless steel with submerged combustion chamber.

2. Helical internal heat exchange.

E. Direct Concentric Venting: 2-pipe, 3-inch air intake and exhaust system.

HEADQUARTERS HVAC MODIFICATIONS 223400 - 3

F. Vent Piping:

1. Pipe: PVC Plastic, Schedule 40, ASTM D 1785.

2. Fittings: PVC Plastic, schedule 40, ASTM D 2466, socket type.

3. PVC Solvent Cement: ASTM D 2564.

G. Electronic control with touchscreen display and advanced water heater status and di-agnostics.

H. Burner: Ultra low-NOx complying with SCAQMD rule 1146.2, with emissions less than 14 ng/j, modulating.

I. Provide with heat traps, temperature and pressure safety valve, and drain valve.

PART 3 – EXECUTION

3.1 WATER HEATER INSTALLATION

A. Install commercial water heater on existing concrete slab.

B. Install water heaters level and plumb. Maintain manufacturer's recommended clear-ances. Arrange units so controls and devices needing service are accessible.

C. Install gas water heaters according to NFPA 54.

D. Install water heater drain piping as indirect waste to spill by positive air gap into open drains or over floor drains. Install hose-end drain valves at low points in water piping for water heaters that do not have tank drains.

E. Install piping-type heat traps on inlet and outlet piping of water heater storage tanks without integral or fitting-type heat traps.

F. Fill water heaters with water.

3.2 CONNECTIONS

A. Connect to existing water lines.

B. Connect to existing electrical disconnect (if applicable.)

C. Connect to existing gas line.

3.3 FIELD QUALITY CONTROL

A. Engage a factory-authorized service representative to inspect installation, including connections.

B. Perform the following field tests and inspections:

HEADQUARTERS HVAC MODIFICATIONS 223400 - 4

Leak Test: After installation, test for leaks. Repair leaks and retest until no leaks ex-ist.

1. Operational Test: After electrical circuitry has been energized, confirm proper operation.

2. Test and adjust controls and safeties. Replace damaged and malfunctioning con-trols and equipment.

C. Remove and replace water heaters that do not pass tests and inspections and retest as specified above.

END OF SECTION 223400

HEADQUARTERS HVAC MODIFICATIONS 2 30500 - 1

BITH COMMON WORK RESULTS FOR HVAC

SECTION 230500

COMMON WORK RESULTS FOR HVAC

PART 1 – GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Piping materials and installation instructions common to most piping systems.

2. Dielectric fittings.

3. Mechanical sleeve seals.

4. Sleeves.

5. Escutcheons.

6. Equipment installation requirements common to equipment sections.

7. HVAC Demolition.

1.2 DEFINITIONS

A. Finished Spaces: Spaces other than mechanical and electrical equipment rooms, furred spaces, pipe and duct chases, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.

B. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and mechanical equipment rooms.

C. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambi-ent temperatures and weather conditions. Examples include rooftop locations.

D. Concealed, Interior Installations: Concealed from view and protected from physical contact by building occupants. Examples include above ceilings and chases.

E. Concealed, Exterior Installations: Concealed from view and protected from weather conditions and physical contact by building occupants but subject to outdoor ambient temperatures. Examples include installations within unheated shelters.

1.3 SUBMITTALS

A. As specified in Division 1 Section, “Submittal Procedures.”

1. Submit manufacturer's literature for each type of identification products speci-fied.

1.4 QUALITY ASSURANCE

A. Electrical Characteristics for HVAC Equipment: Equipment of higher electrical char-acteristics may be furnished provided such proposed equipment is approved in writing

HEADQUARTERS HVAC MODIFICATIONS 2 30500 - 2

and connecting electrical services, circuit breakers, and conduit sizes are appropriately modified. If minimum energy ratings or efficiencies are specified, equipment shall comply with requirements.

B. Comply with provisions in ASME B31 Series, "Code for Pressure Piping."

C. Certify that each welder has passed AWS qualification tests for welding processes in-volved and that certification is current.

PART 2 – PRODUCTS

2.1 MECHANICAL SLEEVE SEALS

A. Description: Modular sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.

B. Sealing Elements: EPDM or NBR interlocking links shaped to fit surface of pipe. In-clude type and number required for pipe material and size of pipe.

C. Pressure Plates: Plastic, carbon steel or stainless steel. Include two for each sealing element.

D. Connecting Bolts and Nuts: Carbon steel with corrosion-resistant…