B08_Solicitation_attach_1_SPECS.pdf

THEODORE ROOSEVELT NATIONAL PARK

Medora, North Dakota

PAINTED CANYON VISITOR CENTER

HVAC REPLACEMENTS

THRO

PMIS NO. 252321

DRAWING NO: 80122 PARK: 387

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

17 April 2023

THIS PAGE INTENTIONALLY LEFT BLANK

THRO - 252321 00 01 10 - 1

Table of Contents

TABLE OF CONTENTS

DIVISION 01 — GENERAL REQUIREMENTS

01 10 00 - DIVISION 01 SHORT FORM GENERAL REQUIREMENTS

DIVISION 23 — HEATING VENTILATING AND AIR CONDITIONING

23 05 03 - PIPE AND PIPE FITTINGS - HVAC SYSTEMS

23 05 13 - COMMON MOTOR REQUIREMENTS FOR HVAC AND PLUMBING EQUIPMENT

23 05 93 - HVAC SYSTEMS - BALANCING AND TESTING

23 09 00 - INSTRUMENTATION AND CONTROL FOR HVAC SYSTEMS

23 31 00 - HVAC - DUCTWORK

23 34 00 - HVAC - FANS

23 74 36 - REFRIGERANT PIPING SYSTEM

23 80 00 - HVAC - EQUIPMENT

DIVISION 26 — ELECTRICAL

26 05 00 - ELECTRICAL - BASIC REQUIREMENTS

26 05 19 - WIRE AND CABLE - 600 VOLT AND BELOW

26 05 26 - GROUNDING AND BONDING

26 05 33 - RACEWAYS AND BOXES

D I V I S I O N 0 1

GENERAL REQUIREMENTS

THRO - 252321 01 10 00 - 1

DIVISION 01 SHORT FORM GENERAL REQUIREMENTS

SECTION 01 10 00

PART 1 – GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: Theodore Roosevelt National Park, located in Medora, North Dakota, includes the

Painted Canyon Visitor Center facility along Interstate 94 at Exit 32. The existing HVAC system for the approximately 4000 square-foot facility consists of three propane gas fueled furnaces and two condenser units. The units have exceeded their expected life cycle, are experiencing recurrent repair needs, and have increasing difficulty meeting acceptable heating and cooling levels within the building.

1.2 Work Covered by the Contract Documents:

A. Project Location: Painted Canyon Visitor Center, Theodore Roosevelt National Park, Medora, North Dakota.

B. Work consists of:

1. All heating and cooling units are to be replaced with a high-efficiency DX system with propane furnace.

2. HVAC control systems are to be replaced in conjunction with the units and off-site monitoring and control capabilities will be incorporated.

3. Coordinating selective demolition of abandoned ductwork with cleaning and photo documentation of existing ductwork. Replacement of the demolished ductwork.

4. Existing smoke and fire detection sensors are to remain functional upon completion of construction.

5. Clean existing ductwork from visitor center to toilet outbuilding and photo documentation to SMACNA standards to ascertain the condition of the underground ductwork.

C. All work will be performed under a single contract.

D. Period of performance: Work must be completed within 120 calendar days of the start date provided on the Notice to Proceed. The period of performance is inclusive of five weather days; however, work is expected to be a continuous process from notice to proceed through project completion without temporary delay, notwithstanding reasons outside the control of the Contractor.

E. Demolition work that will disable the existing system and units shall not take place until all essential equipment and materials are in possession of the Contractor, or demonstrated to the satisfaction of the COR, and are on or arriving at the site to allow for new installations to

THRO - 252321 01 10 00 - 2

immediately follow removals. The requirement to be prepared for new installations does not prohibit the Contactor from performing other work, provided the existing systems are not taken out of service or are temporarily supported.

ITEM 2 – PROTECTING EXISTING UTILITIES

2.1 Existing Utilities: Notify Contracting Officer (CO), Contracting Officer’s Representative (COR) and utility companies as required to request location services prior to and to coordinate any excavation/digging operations, and/or for demolition if within Scope of Work. Electrical service:

Roughrider Electric Cooperative, 2156 4th Ave. E, Dickinson, ND 58602, (800) 748-5533.

Domestic water service: Southwest Water Authority, 4665 2nd Street Southwest, Dickinson, ND

58601-7231, (888) 425-0241.

2.2 Contractor shall be responsible for locating and preventing damage to known utilities on site or indoors. If contractor damage occurs, alert CO and COR as soon as safely possible, and repair utility at no additional expense to the Government. If damage occurs to an unknown utility, contact CO and COR as soon as safely possible.

2.3 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 below:

A. Notify CO and COR not less than two business days in advance of proposed utility interruptions.

B. Hours for Utility Shutdowns: Shutdowns shall not exceed 2 to 3 hours. Temporary provisions will be needed by the Contractor for periods longer than stated allowance or if required for critical systems as determined by COR.

C. Painted Canyon Visitor Center will be closed to the public and full-time NPS staff will be intermittently present from October 30th through April 25th.

D. Contractor shall provide temporary heat to maintain interior temperature at or above 48 DEG

F during times when the building is unoccupied and at 70 DEG F when the building occupied.

E. Contractor shall provide temporary cooling to maintain interior temperature at 70 DEG F when the building is occupied by the National Park Service or open to the public.

ITEM 3 - CONTRACTOR’S USE OF PREMISES

3.1 Conduct of Operations: At all times the contractor shall conduct his operations in conformance with the rules and regulations promulgated by the Secretary of the Interior for the National Park

Service, and applicable park rules and regulations prescribed by the Park Superintendent at the following web site: https://www.nps.gov/thro/learn/management/superintendent-compendium.htm

A. No signs or advertisements (except those specified herein and as required for safety) shall be displayed on the construction site or within the park unless approved by the Contracting

Officer.

https://www.nps.gov/thro/learn/management/superintendent-compendium.htm

THRO - 252321 01 10 00 - 3

B. Smoking is not permitted within any Federal building or within 25 feet of entrances, operable windows, or outdoor air intakes.

C. Public Use of Site: Contractor shall at all times conduct operations to ensure the least inconvenience to the public. The area delineated for Contractor Staging will be closed to the public during construction.

3.2 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 when otherwise indicated.

A. Work on Saturdays, Sundays, Federal holidays, early morning, or at night may not be performed without prior consent from the CO and COR. Submit requests for work outside of the stated normal business hours to the CO and COR for approval at least 48 hours in advance of the work.

The following Federal holidays are observed by the National Park Service:

New Year Day

Martin Luther King, Jr’s Birthday

Washington’s Birthday

Memorial Day

Juneteenth National Independence Day

Independence Day

Labor Day

Columbus Day

Veterans Day

Thanksgiving Day

Christmas Day

B. Note: Any of the above holidays falling on a Saturday will be observed on the preceding

Friday; holidays falling on Sunday will be observed on the following Monday. The specific day that each holiday is recognized for each year can be found at the following site: Federal

Holidays (opm.gov).

C. Painted Canyon Visitor Center’s tourist season will begin April 25th and run through October

30th.

3.3 Contractor Use of Site:

A. General: Contractor shall have limited use of the site for construction operations. Do not disturb portions of Project site beyond areas in which the work is indicated.

B. Driveways and Entrances: Keep driveways, access roads, 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 without written permission from the CO or COR. Schedule deliveries to minimize use of driveways and entrances.

C. Do not disturb portions of Project site beyond areas in which the work is indicated.

https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/#url=2022 https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/#url=2022

THRO - 252321 01 10 00 - 4

D. Utilities

1. General: Cost or use charges for temporary facilities shall be included in the Contract Sum as required.

2. Water Service: Water from water system is available for use at existing faucet and hose bibbs without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Use resources wisely and minimize waste of water. Contractor use of existing water service must be coordinated in advance with COR and must not interfere with Park operations within the facility.

3. Electric Power Service: Electric power from existing 110 V receptacles is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Use of the 110 V service must be within existing panel loads and not overload the system. Provide necessary generators if additional power is needed. Use power in a resourceful manner and avoid excess power waste. Contractor use of existing electric power service must be coordinated in advance with COR and must not interfere with Park operations within the facility.

4. Waste Operation:

a. Toilets: Contractor provided for contracting personnel, sufficiently lighted and ventilated toilet facilities in weatherproof, sight proof, handicap accessible (if required), sturdy enclosures with privacy locks. Coordinate with COR for approved location if not shown on attached site plan.

b. Waste Removal / Recycling: Contractor is responsible for removing all waste created by the project. Contractor shall recycle to the highest degree possible and empty dumpsters as necessary to avoid debris on site. Coordinate dumpster location with

COR.

E. Security and Protection facilities:

1. Environmental Protection: Provide protection, operate temporary facilities, and conduct construction in ways and by methods that comply with state and federal environmental regulations and that minimize possible air, waterway, and subsoil contamination or pollution or other undesirable effects.

2. Cleaning of Equipment: 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. 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 debris when a visual inspection does not disclose such material. Disassembly of equipment components or specialized inspection tools are not required.

3. Tree and Plant Protection: N/A.

4. Pest Control: Follow best practices to minimize attraction and harboring of rodents, roaches, and other pests and to perform extermination and control procedures at regular intervals so Project will be free of pests and their residues at project completion. Perform control operations lawfully, using environmentally safe materials.

THRO - 252321 01 10 00 - 5

5. Temporary Enclosures and Protection: Provide temporary exterior enclosures such as snow fence and temporary interior sheets or barriers, as required, for protection of construction in progress and completed, from access by visitors or staff, other construction operations, and similar activities. Coordinate requirements with COR in advance of activities.

3.4 Storage - Staging Areas:

A. Confine Storage of materials and equipment to the project staging area noted in the Project

Specifications. Specific storage and staging area’s may be discussed at the preconstruction briefing.

3.5 Preservation of Natural Features:

A. Bison and other wildlife are considered natural features of the Park, are allowed to roam freely, and may be encountered around the Visitor Center grounds.:

B. Contractor to remain vigilant when on the Visitor Center grounds.

1. Do not approach, taunt, or otherwise engage bison.

2. Remove personnel from the area immediately if bison are present outside the Visitor

Center.

3. Respect the aggressive temperament, speed, and potential danger of bison.

3.6 Hauling Restrictions: Contractor to verify path to site and meet state and county road requirements and height restrictions for all park work/access.

3.7 Housekeeping:

A. Keep project neat, orderly, and in a safe condition at all times.

1. Dispose of waste materials and recycling legally outside the park. The contractor shall not use park dumpsters

2. Address Recycling: Government goal is to salvage and recycle as much nonhazardous construction waste as possible. Use sustainable methods to extent possible during this project, recycling material as is probable with local means.

3.8 Occupancy Requirements for Buildings:

A. Full Government Occupancy: Government will occupy building under construction during the entire contract period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform the work so as not to interfere with Government's day-to-day operations. Maintain existing exits, unless otherwise indicated.:

1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from the CO or COR.

THRO - 252321 01 10 00 - 6

2. Maintain existing building in a weather tight condition throughout construction period.

Repair damage caused by construction operations. Protect building and its occupants during construction period.

3. The National Park Service has existing stored materials in the basement of the Visitor

Center that will be moved by Park personnel for Contractor access. Contractor must coordinate with COR in advance the required relocation or removal of stored material while permitting continued access of the National Park Service personnel to the basement throughout construction.

4. The Visitor Center has countertops, displays, and merchandise that will remain in place throughout construction. Contractor must coordinate with COR in advance for temporary relocation by the National Park Service of furnishings or movable amenities within the existing space to facilitate construction activities.

5. Note that Contractor must provide all necessary protective coverings (plastic, floor tarps or paper, et cetera) to protect interior finishes, furnishings, or merchandise that will be in proximity to or impacted by the work being performed.

B. The National Park Service will winterize the building and plumbing systems at the end the visitor's season, approximately October 30, and place back in service on April 25. Alterations to the building or plumbing system between October 30 and April 25 will require the

Contractor to re-winterize the affected systems.

3.9 Photo Documentation:

A. Contractor must provide existing condition, progress, and completion photos. All photos shall be in focus, show maximum range of depth of field general photo and then close up detail photo as needed. Shall be in JPEG digital form and submitted electronically by email or via

CD-R Archival Gold or DVD-R Archival Gold media with printed labels and 8 mega pixels minimum within 7 days from time of taken or as approved by COR.

B. Existing Condition Images:

1. Before starting construction, take color, dated, digital images of project site and adjacent property/roads/et cetera. that may be impacted by construction activity/traffic. Include existing items to remain or be salvaged from different vantage points and with context for location identification.

C. Construction Progress Images:

1. Document all sub-surface work/ trenches/et cetera. prior to backfill with photos covering enough overall field view to show location and then zoom in for details. (Locations and dimensions shall also be noted on as built drawing set.)

2. Maintain organized index for photos with date, description, et cetera.

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

D. Completion Images:

THRO - 252321 01 10 00 - 7

1. Document all completed work within scope of work.

2. Maintain organized index for photos with date, description, etc..

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

3.10 Fire and Life Safety:

A. As a minimum, conduct one weekly 15 minute "toolbox" safety meetings. These meetings shall be conducted by a foreman or supervisor and attended by all construction personnel at the worksite. Topics need to coincide with work scheduled for the following week. Document and submit meeting minutes to the CO and COR within one day after the meeting and document the meetings on the daily reports.

B. Comply with the requirements of NFPA 241 (Standard for Safeguarding Construction, Alteration, and Demolition Operations). Take all necessary precautions to prevent fire during construction. Provide adequate ventilation during use of volatile or noxious substances.

C. Store and handle hazardous materials in accordance with manufacturers and OSHA 29CFR1926 Subpart D requirements 1926 | Occupational Safety and Health Administration (osha.gov). Maintain readily available, on site, MSDS/Safety Data Sheets (SDS) for each chemical.

1. Immediately report all spills of hazardous materials to the CO, COR, and park.

2. Maintain a spill emergency response kit.

3. Train employees how to respond to a spill and use the emergency response kit.

3.11 Noise and Acoustics Management: N/A.

ITEM 4 - COMMENCEMENT, PROSECUTION, AND COMPLETION

4.1 The Contractor shall commence work in accordance with the terms and conditions of the contract.

Contractor shall coordinate and incorporate long lead and delivery time items within the schedule.

ITEM 5 - EXAMINATION OF THE SITE

5.1 All bidders are urged to visit the job site and examine existing conditions before submitting bids.

Contractors will be accountable for understanding existing conditions. No cost changes for items viewable during site visit will be allowed.

ITEM 6 - ABBREVIATIONS

6.1 The list of abbreviations, standards and organizations which may be used in/referred within the

Construction Specifications or Special Provisions, may be found linked from the listed page below. On the home page, follow the link under “Contracting and Procurement” labeled “NPS

Reference Standards.” https://www.nps.gov/orgs/1671/do-business-with-us.htm

ITEM 7 - ACCIDENT PREVENTION

https://www.osha.gov/laws-regs/regulations/standardnumber/1926 https://www.osha.gov/laws-regs/regulations/standardnumber/1926 https://www.nps.gov/orgs/1671/do-business-with-us.htm

THRO - 252321 01 10 00 - 8

7.1 Description: The work of this section consists of establishing and implementing an effective accident prevention program (APP) and providing a safe environment for all personnel and visitors.

7.2 Submittals:

A. Accident Prevention (Safety) Plan (APP): Submit a site-specific accident prevention (safety) plan. The Plan shall be written to comply with OSHA and project requirements (a generic plan is not acceptable) including but not limited to the following:

1. Name and qualifications of responsible supervisor to carry out the program.

2. First aid and rescue procedures.

3. Training, both initial and continuing.

4. Outline of each phase of the work, the hazards associated with each major phase, and the methods proposed to provide for property protection and safety of the public, National

Park Service personnel, and Contractor's employees. Identify the work included under each phase, with a Job Hazard Analysis (JHA)/Job Safety Analysis (JSA), et cetera. A sample JHA template may be provided upon request.

5. Planning for possible emergency situations, such as explosions, fires, power outages, snowstorms, windstorms, and wildlife (bison) encounters. Such planning shall take into consideration the nature of construction, site conditions, and degree of exposure of persons and property.

6. Contractor to identify nearest location of medical facility for emergencies

7. Recognition that works will be performed in remote areas with limited communication or cell phone coverage, if applicable.

8. Supplemental hazard specific plans may be required IAW 29 CFR 1926 or 1910.

B. Meeting and Inspection Reports: Safety Meetings: As a minimum, conduct 15 minute

"toolbox" safety meetings. These meetings shall be conducted by a foreman and attended by all construction personnel at the worksite. Submit a report of safety meetings and inspections to CO and COR within one day after the meeting and document the meetings on the daily reports.

7.3 Qualification of Employees:

A. Ensure that employees are physically qualified to perform their assigned duties in a safe manner to include operators of vehicles and equipment. Provide operating instructions for all equipment.

B. 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.

7.4 Accident Reporting: The Contractor shall report all accidents to the CO and COR as soon as safely possible and assist the CO and COR and other officials as required in the investigation of the accident.

7.5 First Aid Facilities: Provide access to facilities for the number of employees and appropriate to the hazards associated with the types of ongoing construction work at the site.

THRO - 252321 01 10 00 - 9

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

7.7 Personal Protective Equipment (PPE): It is the Contractor's responsibility to require all those working on or visiting the site to wear necessary protective equipment at all times.

A. PPE must meet requirements of applicable ANSI standards. Selection shall conform to OSHA

29CFR 1926 Subpart E.

B. A hard hat use area shall be designated by the Contractor. The hard hat area shall be posted by the Contractor in a manner satisfactory to the Contracting Officer.

C. All PPE will be serviceable at all times. At a minimum, maintain four sets of PPE including hard hats and all other Accident Prevention Plan required equipment.

7.8 Hazardous Materials: It shall be the responsibility of all operators and contractors, functioning within the park to properly cleanup, mitigate and remediate if necessary, all unauthorized discharges of hazardous materials or non-hazardous chemical and biological products released from fleet and/or other support vehicles or stationary sources. Response shall be consistent with guidelines established by federal, state, and local regulations, and as outlined within the operator's Safety or Hazardous Materials Business Plan.

A. If a spill, leak, or other release occurs, the operator shall as soon as possible, without impeding cleanup, notify the National Park Service Emergency Dispatch.

ITEM 8 - PRECONSTRUCTION CONFERENCE

8.1 If the Contracting Officer decides to conduct a preconstruction conference, the successful offeror will be notified and will be required to attend. The Contracting Officer’s notification will include specific details regarding the date, time, and location of the conference, any need for attendance by subcontractors, and information regarding the items to be discussed. See Item 9.1.C below.

ITEM 9 - SUBMITTALS

9.1 General Contracting Submittal Procedures:

A. General: Prepare and submit submittals required by individual Technical Specification

Sections. Types of submittals are indicated in individual specific sections.

1. CM-16 Transmittal Form: All submittals shall be transmitted via electronic email using

National Park Service form CM-16 form. The form will be provided by the Contracting

Officer. No action will be taken on a submittal item unless accompanied by the CM-16 transmittal form. Submit completed CM-16 forms to the CO and the COR

B. Submittal List: Administrative required submittals are listed below in 9.1.C and does not include technical section submittal requirements included in each technical section.

THRO - 252321 01 10 00 - 10

C. Preconstruction Conference Submittal: Satisfactory evidence of liability insurance coverage and workman’s compensation, and any applicable bonds, must be submitted within 10 calendar days of Notice of Award. The following items shall be submitted a minimum of one week prior to the Preconstruction Conference. If all of these documents have not been received one week prior to the scheduled Pre-Construction Conference date, the conference will be cancelled, Notice to Proceed may not be issued, and the Contracting Officer will consider other contractual remedies. Work shall not commence until written Notice to

Proceed has been issued. Contracting Officer will notify Contractor of tentative date for the

Pre-Construction Conference:

1. Letter designating Project Superintendent.

2. Construction Schedule. (Must include shop drawings, procurement time including long lead time items, mobilization, trade work progression and completion at minimum.)

3. A comprehensive breakdown of the Schedule of Values.

4. Accident Prevention (Safety) Plan (see section 7 of this document).

5. A list of Subcontractors for this project.

6. Written statements from subcontractors certifying compliance with applicable labor standard clauses (SF1413).

7. Quality Control Plan.

8. Waste Management Plan.

9. Indoor Air Quality (IAQ) Management Plan.

10. The National Park Service is the Authority Having Jurisdiction (AHJ) for the Work.

Coordinate construction permit requirements, if applicable, with the COR.

9.2 Project Shop Drawings, Product Data, and Samples: Contracting Officer will provide sample cover sheet and a list of required submittals is included in each technical specification or attached at the end of this document.

A. Shop Drawings: Indicate all coordinating materials and work impacting the installation coordination, connection details, anchorage requirements, hardware locations, and installation details and locations.

1. Submit Shop Drawings according to Part 9.1 of this section to include one digital file (.PDF or .TIF).

B. Product Data: Provide component construction and specification data sheets, anchorage requirements and any other product specific data.

1. Submit Product Data according to Part 9.1 of this section to include one digital file (.PDF or .TIF) to COR.

C. Samples: Submit 2 color samples 4” x 6” minimum in size for all color and product selections.

Paint samples shall be actual paint finish drawdown for all project colors.

1. Submit Samples CM-16 Transmittal Form according to Part 9.1 of this section to include one digital file (.PDF or .TIF) and physical samples of actual material to COR.

D. For submittals specified above, forward submittals to Contracting Officer and COR at least 15 days before need for approval (depends on length of project).

THRO - 252321 01 10 00 - 11

E. After approving submittals, Contracting Officer and/or COR will return one copy to the

Contractor. If submittals are not approved, Contracting Officer will return all copies to

Contractor with reasons for rejection. Resubmit, identifying changes. Any work done before approval shall be at Contractor's own risk.

9.3 Approved Equals: If an item in this solicitation is identified as “brand name or equal” or lists more than 1 manufacturer, the description of the proposed item must reflect the characteristics and level of quality that will satisfy the Government’s needs as demonstrated by the salient physical, functional, or performance characteristics that “equal” products must meet and/or exceed that as specified in the solicitation or relevant specification.

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 and with the salient characteristics provided.

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, including schematics for electrical and hydraulic systems, lubrication requirements, and parts lists.

Describe availability of maintenance service, and state source of replacement materials.

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.

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

C. Approved Equals will be evaluated and approved/disapproved during the submittal process.

9.4 Schedule of Values: Submit the Schedule of Values a minimum of one week prior to the

Preconstruction Conference for COR review. Schedule of Values shall include defined work line items with cost break downs including labor, material, and equipment for COR approval.

9.5 Progress Reporting: The initial Construction Schedule and Schedule of Values are required a minimum of one week prior to the Preconstruction Conference. After the Notice to Proceed is issued and after on-site work begins, progress will be documented via daily logs and by providing an updated Construction Schedule and Schedule of Values when requested, but minimally with each pay application. Submit digital copy electronically (PDF preferred) of all required documents.

Construction Schedules are normally in bar chart form and indicate estimated starting and completion dates for each part of the work. For a pay application to be reviewed and processed in a timely manner, the following information must either be submitted prior to or accompany submission of the pay application:

THRO - 252321 01 10 00 - 12

A. Daily/weekly progress reports during construction as part of the administration process.

B. Updated Schedule of Values: Breakdown each lump-sum item into component work activities used in the schedule, for which progress payments may be requested. The Schedule of

Values will form the basis for payment. The work activities broken out within the schedule of values shall be integrated into and made a logical part of the construction baseline schedule submitted under this specification. The total costs for the component work activities shall equal the contract price for that lump-sum item. The Contracting Officer may request data to verify accuracy of dollar values. A sample Schedule of Values format may be provided upon request.

ITEM 10 – TEMPORARY SERVICES

10.1 It is the Contractor’s responsibility to provide temporary services, equipment, tools, and skilled labor as required for the chosen means and methods to perform the work in accomplishing this

Contract.

ITEM 11 - PROJECT CLOSEOUT

11.1 Description: The work of this section consists of final cleanup, closeout submittals, final inspection procedures working toward Final Acceptance.

11.2 Cleaning: Remove all tools, equipment, surplus materials, and rubbish. Move attic stock to location coordinated with COR. At time of final inspection, project shall be thoroughly clean and ready for intended use. Inspector holds the right to reschedule if project is not ready for inspection.

11.3 Completion and Final Inspection: Contractor shall submit written certification of project completion and request a final inspection to the Contracting Officer and COR. The Contracting Officer or designee will make an inspection within 10 days of receipt of request or at a mutually agreeable time.

A. If the work is determined to be complete following the final inspection with minor comments, the COR will prepare and provide the Contractor a Punch List noting outstanding items to be addressed.

B. If the work is not determined to be complete following the final inspection, the Contracting

Officer will notify Contractor in writing, stating reasons. Contractor, after completing the work according to the Contract Documents, shall resubmit completion and request a new final inspection. Re-inspection costs may be charged against the Contractor in accordance with the Inspection of Construction contract clause.

C. Contractor shall complete the Punch List within 30 calendar days, or a time directed by the

CO.

D. Once Contractor completes all items of work on the Punch List and all contractually required items are accepted, Contracting Officer will issue Letter of Final Acceptance of Work and request the final pay application.

THRO - 252321 01 10 00 - 13

E. If the Contractor fails to complete the work within the time frame, the Contracting Officer may correct the work with an appropriate reduction in contract price or charge for re-inspection costs in accordance with the Inspection of Construction contract clause.

F. Disposition of any permits and warranties required by the specifications in this section.

11.4 Final Acceptance of the Work: After all punch list deficiencies have been corrected, a Letter of

Final Acceptance will be issued. A Release of Claims document must be executed and submitted to the Contracting Officer before final payment can occur.

11.5 Warranties

A. Construction Warranty shall be based on date of final acceptance of the work and remain in effect for one year.

B. Provide all manufacturer warranty information of products installed organized by Division. All contact information, extent of coverage and conditions shall be clearly noted as well as date of overall final acceptance.

C. Information shall include operation and maintenance manuals for each warranted product.

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXECUTION (NOT USED)

END OF SECTION 01 10 00

THRO - 252321 01 10 00 - 14

THRO - 252321 01 10 00 - 15

SECTION 01 10 00A – PHOTOS OF WORK SITE

THRO - 252321 01 10 00 - 16

THRO - 252321 01 10 00 - 17

THRO - 252321 01 10 00 - 18

THRO - 252321 01 10 00 - 19

THRO - 252321 01 10 00 - 20

THRO - 252321 01 10 00 - 21

THRO - 252321 01 10 00 - 22

THRO - 252321 01 10 00 - 23

THRO - 252321 01 10 00 - 24

THRO - 252321 01 10 00 - 25

END OF SECTION 01 10 00B

THRO - 252321 01 10 00 - 26

THRO - 252321 01 10 00 - 27

SECTION 01 11 00B – SUBMITTAL LIST

THRO - 252321 01 10 00 - 28

D I V I S I O N 2 3

HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC)

THRO - 252321 23 05 03 - 1

PIPE AND PIPE FITTINGS - HVAC SYSTEMS

SECTION 23 05 03 - PIPE AND PIPE FITTINGS - HVAC SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. HVAC Piping.

2. Propane Gas Piping.

1.2 QUALITY ASSURANCE

A. Referenced Standards:

1. American Society of Mechanical Engineers (ASME):

a. B1.2, Gages and Gaging for Unified Screw Threads.

b. B31.1, Power Piping.

c. B31.3, Process Piping.

d. B31.9, Building Services Piping.

e. B40.100, Pressure Gauges and Gauge Attachments.

2. ASTM International (ASTM):

a. A53, Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-

Coated, Welded and Seamless.

b. A126, Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings.

c. A234, Standard Specification for Pipe Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service.

d. B88, Standard Specification for Seamless Copper Water Tube.

e. D3350, Standard Specification for Polyethylene Plastics Pipe and Fittings

Materials.

3. American National Standards Institute (ANSI/ASTM):

a. B16.3, Malleable Iron Threaded Fittings.

b. B16.18, Cast Copper Alloy Solder Joint Pressure Fittings.

c. B16.22, Wrought Copper and Bronze Solder - Joint Pressure Fittings.

4. American Welding Society (AWS):

a. A5.8M/A5.8, Specification for Filler Metals for Brazing and Braze

Welding.

5. Cast Iron Soil Pipe Institute (CISPI):

THRO - 252321 23 05 03 - 2

a. 301, Standard Specification for Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications.

B. Qualifications:

1. Use only certified welders meeting procedures and performance outlined in

ASME Section IX, AWWA C200 Section 3.3.3 and other codes and requirements per local building and utility requirements.

1.3 SUBMITTALS

PART 2 - PRODUCTS

2.1 MATERIALS

A. Piping Systems:

1. Piping systems are scheduled by service in PART 3 of this specification.

B. Pipe and Tube:

1. Copper:

a. Type L, or M tube per ASTM B88.

b. Utilize only annealed (soft) type tubing where flared joints are used and drawn temper (hard) type tubing where soldered or brazed joints are used.

c. Fittings (Per System Type):

1) Cast copper or bronze (pressure): Per ASTM B16.18.

2) Wrought copper or bronze (pressure, solder): ASTM B16.22.

3) Cast copper or bronze (DWV): Per ASTM B16.23.

4) Wrought copper or bronze (pressure, flared): Per ASTM B16.26.

d. Joints:

1) Soldered or Brazed:

a) Above ground below 180 DEGF: ASTM B32 solder with a tin/antimony ratio of 95/5 and non-corrosive flux.

b) Above ground 180 DEGF and above: use brazing alloy with melting temperature above 1000 DEGF and suitable flux.

c) Buried: Silver solder per AWS A5.8M/A5.8.

d) Provide unions and valves and equipment.

e. Unions: Class 150, bronze.

2. Steel:

a. Schedule , 40 or 80 per ASTM A53.

THRO - 252321 23 05 03 - 3

b. Finish: Black or hot-dip galvanized per ASTM A53.

c. Fittings (Per System Type):

1) Malleable iron: Per ASTM B16.3.

2) Forged Steel: Per ASTM A234.

3) Cast Iron: Per ASTM A126.

d. Joints: Per System Type:

1) Threaded.

a) With unions and valves and equipment.

2) Flanged with rubber gaskets.

3) Socket or butt welded.

e. Unions: Class 150 250, malleable iron, threaded.

2.2 MANUFACTURED UNITS

A. Unions:

1. Copper pipe:

a. Copper ground joint unions for pipe sizes 2 IN and smaller.

b. Brass flanged unions for pipe sizes larger than 2 IN.

2.3 ACCESSORIES

A. Propane Gas Equipment Isolator: 316L stainless steel, T-321 stainless steel braid with connections compatible with joints in piping system.

PART 3 - EXECUTION

3.1 PREPARATION

A. Ream pipe and tube ends. Remove burrs.

B. Remove scale and dirt on inside and outside before assembly.

C. Prepare piping connections to equipment with flanges and unions.

D. Deep open ends of pipe free from scale and dirt. Protect open ends with temporary plugs or caps.

THRO - 252321 23 05 03 - 4

3.2 EXTERIOR BURIED PIPING INSTALLATION

A. Unless otherwise shown on the Drawings, provide a minimum of 45 FT and maximum of 8 FT earth cover over exterior buried piping systems and appurtenances conveying water, fluids, or solutions subject to freezing.

B. Enter and exit through structure walls, floors, and ceilings by using penetrations and seals.

C. When entering or leaving structures or passing beneath the vertical projection of a structure wall use flexible joint piping with first joint installed within 2 FT of point where pipe enters or leaves structure.

1. Install second joint not more than 6 FT nor less than 4 FT from first joint.

D. When entering or leaving structures with buried mechanical joint piping, install joint within 2 FT of point where pipe enters or leaves structure.

1. Install second joint not more than 6 FT nor less than 4 FT from first joint.

E. Install expansion devices as necessary to allow expansion and contraction movement.

F. Install underground hazard warning tape per Specification Section 10 14 00.

G. Install insulating components where dissimilar metals are joined together.

3.3 INTERIOR AND EXPOSED EXTERIOR PIPING INSTALLATION

A. Install piping in vertical and horizontal alignment as shown on Drawings.

B. Alignment of piping smaller than 4 IN may not be shown; however, install according to

Drawing intent and with clearance and allowance for:

1. Expansion and contraction.

2. Operation and access to equipment, doors, windows, hoists, moving equipment.

3. Headroom and walking space for working areas and aisles.

4. System drainage and air removal.

C. Enter and exit through structure walls, floor and ceilings using penetrations and seals.

D. Install vertical piping runs plumb and horizontal piping runs parallel with structure walls.

E. Pipe Support:

1. Use methods of piping support as shown on Drawings .

2. Where pipes run parallel and at same elevation or grade, they may be grouped and supported from common trapeze-type hanger, provided hanger rods are increased in size as specified for total supported weight.

THRO - 252321 23 05 03 - 5

a. The pipe in the group requiring the least maximum distance between supports shall set the distance between trapeze hangers.

3. Size pipe supports with consideration to specific gravity of liquid being piped.

F. Use reducing fittings throughout piping systems.

1. Bushings will not be allowed unless specifically approved.

G. Equipment Drainage and Miscellaneous Piping:

1. Provide drip pans and piping at equipment where condensation may occur.

2. Avoid piping over electrical components such as motor control centers, panelboards, etc.

a. If piping must be so routed, utilize 16 GA, 316 stainless steel drip pan under piping and over full length of electrical equipment.

b. Hard pipe drainage to nearest floor drain.

3. Miscellaneous Piping: If system is not otherwise specified, provide stainless steel tubing. Size to handle application with 3/4 IN being minimum size provided.

H. Unions:

1. Install in position which will permit valve or equipment to be removed without dismantling adjacent piping.

2. Mechanical type couplings may serve as unions.

3. Additional flange unions are not required at flanged connections.

I. Install expansion devices as necessary to allow expansion/contraction movement.

J. Equipment Pipe Connections:

1. Make piping connections to HVAC equipment, including but not limited to installation of fittings, strainers, pressure reducing valves, flow control valves and relief valves provided with or as integral part of equipment.

2. Furnish and install sinks, fittings, strainers, pressure reducing valves, flow control valves, pressure relief valves, and shock absorbers which are not specified to be provided with or as integral part of equipment.

K. Provide insulating components where dissimilar metals are joined together.

3.4 INSTALLATION - PIPE SYSTEM SPECIFIC

A. Propane Gas Piping Installation:

1. Install piping in accordance with NFPA, local gas company regulations, codes and local ordinances, complete with necessary appurtenances.

2. Install buried pipe at approximately 30 IN deep.

3. Gas cocks:

THRO - 252321 23 05 03 - 6

a. Install before gas utilization equipment connected to system, at each branch main and at connection to meter.

b. Design to operate safely under pressures indicated.

c. Install ground joint unions at intervals to facilitate repairs.

d. Cocks shall be of type and lubricant recommended by manufacturer for this class of service, and as approved by local gas company.

4. Pipe drainage:

a. Drain horizontal piping to risers.

b. Locate drains where required for system drainage.

c. Install tee fitting with bottom outlet plugged or provide with threaded, capped nipple at bottom of risers or in accordance with applicable codes.

5. Make piping connections with shellacked joints or ground joint unions.

6. Provide vents from gas regulators, pressure reducing valves, and other vented devices to the outdoors and terminate in accordance with applicable codes.

7. Connect piping to pressure reducing valve outside each building as shown on drawings and schedule.

8. Provide flexible connections to vibration isolated equipment suitable for pressures, local and national codes and intended application.

9. Remove cutting and threading burrs.

10. Plug each gas outlet (including valves) with threaded plugs or caps immediately after installation and retain until the piping or equipment connections are completed.

11. Continuously ground gas piping electrically, bond tightly to the grounding connection.

12. Install piping parallel to other piping, but maintain a minimum 12 IN clearance between gas piping and any piping that could reach 200 DEGF.

13. All gas piping in air plenums to be all-welded and encased in a Schedule 40 pipe sleeve.

a. Ends of the sleeve open to atmosphere or sealed with the annulus vented

(gas pipe size) to atmosphere.

3.5 JOINING

A. Install products in accordance with manufacturer's instructions.

B. Joining Method - Welded Joints:

1. Perform welding in accordance with AWWA C206 and this Section.

2. For flange attachment perform in accordance with AWWA C207.

3. Have each welding operator affix an assigned symbol to all his welds.

a. Mark each longitudinal joint at the extent of each operator's welding.

b. Mark each circumferential joint, nozzle, or other weld into places 180

DEG apart.

4. Welding for all process piping shall conform to ASME B31.3.

THRO - 252321 23 05 03 - 7

a. Welding of utility piping 125 PSI and less shall be welded per ASME

B31.9.

b. Utility piping above 125 PSI shall conform to ASME B31.1.

5. Provide caps, tees, elbows, reducers, etc., manufactured for welded applications.

6. Weldolets may be used for 5 IN and larger pipe provided all slag is removed from inside the pipe.

7. Weld-in nozzles may be used for branch connections to mains and where approved by Engineer.

8. Use all long radius welding elbows for expansion loops and bends.

9. Use long radius reducing welding elbows 90 DEG bends and size changes are required.

C. Joining Method - Couplings:

1. Compression sleeve:

a. Install coupling to allow space of not less than 1/4 IN but not more than 1

IN.

b. Provide harnessed joint.

1) Use joint harness arrangements detailed in AWWA M11.

c. Design harness assembly with adequate number of tie rods for test pressures and allow for expansion of pipe.

d. Provide ends to be joined or fitted with compression sleeve couplings of the plain end type.

e. Grind smooth welds the length of one coupling on either side of joint to be fitted with any coupling.

f. Assure that outside diameter and out-of-round tolerances are within limits required by coupling manufacturer.

2. Mechanical coupling:

a. Arrange piping so that pipe ends are in full contact.

b. Groove and shoulder ends of piping in accordance with manufacturer's recommendations.

c. Provide coupling and grooving technique assuring a connection which passes pressure testing requirements.

D. Joining Method - Threaded and Coupled (T/C):

1. Provide T/C end conditions that meet ASME B1.2 requirements.

2. Furnish pipe with factory-made T/C ends.

3. Field cut additional threads full and clean with sharp dies.

4. Leave not more than three pipe threads exposed at each branch connection.

5. Ream ends of pipe after threading and before assembly to remove burrs.

6. Use Teflon thread tape on male thread in mating joints.

THRO - 252321 23 05 03 - 8

3.6 FIELD QUALITY CONTROL

A. Pipe Testing - General:

1. Test piping systems as follows:

a. Test exposed, non-insulated piping systems upon completion of system.

b. Test exposed, insulated piping systems upon completion of system but prior to application of insulation.

c. Test concealed interior piping systems prior to concealment and, if system is insulated, prior to application of insulation.

d. Test buried piping (insulated and non-insulated) prior to backfilling and, if insulated, prior to application of insulation.

2. Isolate equipment which may be damaged by the specified pressure test conditions.

3. Perform pressure test using calibrated pressure gages and calibrated volumetric measuring equipment to determine leakage rates.

a. Select each gage so that the specified test pressure falls within the upper half of the gage's range.

b. Notify the COR 24 HRS prior to each test.

4. Completely assemble and test new piping systems prior to connection to existing pipe systems.

5. Acknowledge satisfactory performance of tests and inspections in writing to

Engineer prior to final acceptance.

6. Bear the cost of all testing and inspecting, locating and remedying of leaks and any necessary retesting and re-examination.

B. Pressure Testing:

1. Testing medium:

a. Waste and drain systems: Water.

b. Propane gas systems: Cylinder nitrogen.

2. Testing pressure:

a. For pressurized systems, test at 150 PSIG.

3. Allowable leakage rates:

a. Propane gas systems, all exposed piping systems, all pressure piping systems and all buried, insulated piping systems which are hydrostatically pressure tested shall have zero leakage at the specified test pressure throughout the duration of the test.

4. Hydrostatic pressure testing methodology:

a. General:

THRO - 252321 23 05 03 - 9

1) All joints, including welds, are to be left exposed for examination during the test.

2) Provide additional temporary supports for piping systems designed for vapor or gas to support the weight of the test water.

3) Provide temporary restraints for expansion joints for additional pressure load under test.

4) Isolate equipment in piping system with rated pressure lower than pipe test pressure.

5) Do not paint or insulate exposed piping until successful performance of pressure test.

b. Soil, waste, drain and vent systems:

1) Test at completion of installation of each stack or section of piping by filling system with water and checking joints and fittings for leaks.

2) Eliminate leaks before proceeding with work or concealing piping.

3) Minimum test heights shall be 10 FT above highest stack inlet.

5. Propane gas systems - testing methodology:

a. Maintain specified test pressure until each joint has been thoroughly examined for leaks by means of soap suds and glycerine.

b. Wipe joints clean after test.

C. Dielectric Testing Methods and Criteria:

1. Provide electrical check between metallic non-ferrous pipe or appurtenances and ferrous elements of construction to assure discontinuity has been maintained.

2. Wherever electrical…