B08_Solicitation_Attachment_1_SOW_SAMA_VC_RTU_Replacement.docx

Scope of Work Repair by Replacement HVAC (RTU), Visitor Center Salem Maritime National Historical Park (SAMA) Project No. 44034761

Table of Contents

1.0 Project Description

2.0 Scope of Work

3.0 Proposal Evaluation

4.0 Period of Performance

5.0 Description of Work

6.0 Bid Option

7.0 Submittals

8.0 General Conditions

9.0 Materials & Equipment

10.0 Environmental

11.0 Definitions & Acronyms

12.0 Attachments

1. PROJECT GENERAL DESCRIPTION:

1.1. This project consists of the repair by replacement of an existing 30-ton gas/electric rooftop HVAC unit serving the Visitor Center (VC) at SAMA located at 2 New Liberty Street, Salem, Massachusetts 01970.

1.2. The contractor shall provide all labor, materials, tools, equipment, supervision/quality control, and project management necessary to complete the Project Repair by Replacement HVAC (RTU), at SAMA VC. This includes but is not limited to demolition/recovery/disposal of existing material or equipment, delivery/receiving of all material or equipment to SAMA VC. Use of Government equipment should not be considered during any cost estimation.

1.3. The Government will not exercise any supervision or control over the contract service providers performing the services herein. Quality Control of materials, installation, and workmanship is included in supervision. Such contract service providers will be accountable solely to the Contractor who, in turn is responsible to the Government.

1.4. The Contractor shall coordinate all interior access to SAMA VC with the Government COR. The COR will provide dedicated escort to the Contractor and his sub-contractors for interior work included in this Statement of Work.

1.5. All work shall be performed by manufacturer certified personnel. Applicable manufacturer and industry certifications for the work described in this SOW shall be included in the Invitation for Bid (IFB). Trade specific certificates are required when noted within this SOW.

1.5.1. Material and parts shall be further itemized with long lead times greater than 30 days identified in the IFB and the preliminary schedule.

1.5.2. The Contractor's proposed schedule shall be submitted with the IFB. Duration of milestones, construction, activities, duration of HVAC interruption at SAMA VC, and other closures or outages shall be included. Calendar Dates may be estimated until after the Notice to Proceed (NTP) is issued by the Contracting Officer (KO).

1.6. All work of this Contract shall be performed in accordance with the following applicable laws, ordinances, rules, regulations and standards:

· The National Electric Code.

· International Building Code

· The Massachusetts Electric Code.

· American Society of Mechanical Engineers (ASME)

· American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

· Massachusetts Department of Public Safety

1.7. Capabilities, Factors, Other info:

1.7.1. Key Personnel: HVAC technicians’ licenses or certificates, for one or more of their workers who will be involved with the work under this contract. Minimum licensing is a combination of 1) Massachusetts Refrigeration Technicians 2) Massachusetts Sheet Metal License 3) Massachusetts Electrical License. Proposal must include copies of applicable licenses and certificates for any individuals that are expected to work on the contract. Contractor shall update this information as appropriate throughout the life of the contract.

1.7.2. Experience: A brief description for minimum 2 projects or contracts that they have performed within the last 5 years of similar or larger scope and cost and include repair and improvement to electrical and HVAC systems. For each contract/project referenced the bidder will include the following: Brief description of the work, dates performed, final contract value, contact information for the person or entity who hired them.

1.7.3. Past Performance: A list of three references for similar repair or improvement work performed on HVAC and/or electrical systems.

1.8. Type of Contract: Firm Fixed Price

1.9. Background and Existing Conditions

1.9.1. The location of the project is SAMA VC at 2 New Liberty Street, Salem, Massachusetts 01970. The existing RTU has surpassed its life expectancy, has experienced significant failures, and needs replacement.

1.9.2. The existing 30-ton package Roof Top Unit (RTU) has a capacity rating of 12,000 standard CFM. The unit will be replaced in-kind. Routine access for maintenance is made by way of an interior 2nd story roof hatch. No exterior ladder is present for rooftop access.

2. SCOPE OF WORK:

2.1. The Contract work associated with Repair by Replacement HVAC (RTU), SAMA VC shall result in complete, reliable, and fully functional HVAC system. All work shall be performed by contractors bearing the necessary certification to install and program commercial HVAC systems.

2.2. Warranty. The Contractor shall provide a 12-month Installation Warranty on workmanship and parts starting from the Beneficial Occupancy Date and in addition to all Manufacturer’s Warranties. The Contractor shall include both the Installation Warranty and Manufacturer’s warranty in the Close Documents of this Project.

2.3. Additional details are further described in the Description of Work within this SOW.

3. PROPOSAL EVALUATION:

Proposals are evaluated considering technical capability, past performance, and price. Technical capability is assessed based on the offeror’s relevant prior experience, including work with NHS projects, building HVAC systems, active jobsite management, as well as the technical merits of the proposal, such as understanding of the scope, quality of the narrative, technical approach, and construction schedule. Past performance is evaluated by reviewing demonstrated quality, timeliness, business relations and management practices, and cost control, with emphasis on the contractor’s ability to deliver high quality work, adhere to schedules, effectively manage subcontractors, respond to issues, and control costs under varying site conditions. Price is evaluated for reasonableness and completeness and is considered in conjunction with technical capability and past performance to determine the proposal that represents the best overall value to the Government.

4. PERIOD OF PERFORMANCE:

The Period of Performance (POP) shall be 120 calendar days. The POP accounts for administrative processes, equipment lead times, and Contract closeout requirements. The On-Site work may be less than the Contract POP and shall be noted in the Contractor’s Proposed Schedule.

POP for the bid option, See Section 6 below, Maximum 10 business days from time of award.

5. DESCRIPTION OF WORK:

5.1. The work specified by this section consists of furnishing all labor, equipment, tools, appliances, transportation, materials, and quality control reports required to deconstruct and dispose (1) unitary roof top unit (RTU) as well as to furnish and install appropriately sized replacement RTU.

5.2. Deconstruct one 30-ton cooling RTU.

5.2.1. Remove and dispose of equipment offsite and IAW applicable laws and regulations. Including proper refrigerant recovery in accordance with applicable regulations.

5.3. The new RTU shall be installed on the existing steel dunnage support frame using manufacturer-approved attachment methods. Provide required vibration isolation (integral to the unit or supplemental) as recommended by the RTU manufacturer. Contractor shall field-verify dimensions, elevation, load capacity, and condition of the existing dunnage prior to equipment procurement. Contractor shall exercise caution during the removal and reinstallation of RTU’s as to not damage existing roof.

5.4. Furnish and install one Carrier 30-ton package RTU Model Number 48A4T030-NG21370 or equivalent rooftop system matching specifications below with KO approval.

· Height | Width | Length: 70 inches | 88 inches | 166 inches

· Weight: 5042 lbs.

New RTU shall have the following components, filtration, scroll compressors and evaporator/condenser coils for cooling, a gas-fired heating section, supply and condenser fans, and factory-installed electrical controls and safety devices within a single outdoor cabinet.

· New RTU shall be ready to accept 208/230v 3Ph 60Hz

· New RTU unit shall be equipped low ambient controls

· New RTU shall be equipped with Modulating OA & RA Dampers with Economizer

· New RTU shall be equipped with variable frequency drive (VFD) on supply fan

· New RTU shall be equipped with direct drive supply fan motor

· New RTU shall be equipped with Barometric Relief Dampers

· New RTU curb adapter to match existing curb that is scheduled to remain

· New RTU shall furnish a powered convenience outlet

· New RTU shall be equipped with hail guards for protection

· New RTU shall be factory installed with R-454B refrigerant, or most current environmentally friendly refrigerant at time of installation ·Provide manufactures control system (ComfortLink or equivalent) with (2) thermostats located at exiting locations.

5.5. Contractor shall install duct connection to existing ductwork. Provide flue hood and wind baffles to match that of the existing unit. Install condensate drain. Reconnection gas piping.

5.6. Contractor will perform a test, run, and balance according to the manufacturer’s specifications. The balancing of all existing VAV’s shall be included in the scope of this project. All test, run, and balance results shall be in an electronic format and included in the Operations Maintenance (O&M) closeout data.

Electrical work includes disconnecting and de-energizing the existing rooftop unit, verifying electrical capacity, and reconnecting power to the new in-kind packaged rooftop unit. Work will include installation or reuse of conduit, conductors, lugs, and disconnects as required, reconnection of control wiring, grounding and bonding, and coordination with mechanical installation. After installation, the system will be tested to verify proper voltage, phase balance, amperage draw, and safe operation in accordance with applicable electrical codes and manufacturer requirements.

5.7. Prior to commencing installation work, conflicts between this requirement and contract documents to the COR for resolution. Failure of the Contractor to resolve or point out any issues will result in the Contractor correcting at no additional cost or time to the Government.

5.8. Complete coordination/shop drawings shall be required in accordance with Paragraph, 6.0 SUBMITTALS. Construction work shall not start on any system until the coordination/shop drawings have been approved by KO.

5.9. Workmanship/craftsmanship will be of the highest quality and standards. The KO reserves the right to reject any work based on poor quality of workmanship. This work shall be removed and done again at no additional cost or time to the Government.

6. BID OPTION:

6.1. Contractor shall provide an approximately 50,000 BTU portable electric heater with integrated thermostat control, 3-phase, 208V and approx. 40 amp.

6.2. Contractor shall provide permanent hard-wired electrical service from the electrical panel to a new outlet installed in accordance with all applicable building and electrical codes, heater cord shall be 20’ long.

6.3. The portable heater outlet shall be located approximately 90’ feet from the electrical panel (approx. 110’ of wire required).

7. SUBMITTALS:

7.1. Project Schedule

7.2. Specifications for Replacement RTU

7.3. Applicable licenses of technicians that will perform the work

7.4. Site plan

7.4.1. Plan should include: vehicle parking, portable toilet, dumpster, laydown area, crane location. Image of work area provided in Attachment A

7.5. Shop drawings

7.6. Quality Control Plan

8. GENERAL CONDITIONS:

8.1. General Requirements: The primary responsibility for overall management and control of workmanship, quality control and documentation lie with the Contractor. The Contractor is required to develop an organized project management process and controls. The National Park Service does not follow a specific project documentation format for sustainment, minor renovation and restoration projects.

8.2. A Notice to Proceed (NTP) for work described in this SOW from the KO will be issued once all applicable CSI Division 1 documents have been sent from the Contractor and a Pre-Construction Meeting or “Kickoff” meeting lead by the COR has been accomplished.

8.3. Quality Control (QC): The contractor shall develop and maintain an effective QC Plan (QCP) to ensure services are performed in accordance with this SOW. The contractor shall develop and implement procedures to identify, prevent, and ensure non-recurrence of defective services. The contractor’s QCP assures that all contract and subcontracted work comply with the requirements of the contract. QC is the contractors defined procedures to manage and control themselves, all subcontractors', and all supplier's activities so that the completed project complies with contract requirements. QC is different from Quality Assurance (QA). QA is how the Government protects its interests through reviews, random inspections, and performance tests approved by the KO. As result, the Government assures that Contractor QC is working effectively, and the finished product complies with the quality established by the contract. Refer to UFSG 01 45 00 Quality Control and ER 1180-1-6, Construction Quality Management for additional details.

8.4. Bring any unforeseen project conditions to the attention of the KO immediately. Differing site conditions, which may alter the scope of work, shall be approved by the KO prior to such work being performed.

8.5. Recognized Holidays: The following are recognized United States (US) holidays. The contractor shall not perform services on these days:

8.5.1. New Year’s Day: January 1st

8.5.2. Martin Luther King, Jr.’s Birthday

8.5.3. President’s Day

8.5.4. Memorial Day

8.5.5. Juneteenth Day: June 19th

8.5.6. Independence Day: July 4th

8.5.7. Labor Day

8.5.8. Indigenous Peoples/Columbus Day

8.5.9. Veteran’s Day: November 11th

8.5.10. Thanksgiving Day

8.5.11. Christmas Day: December 25th

8.6. Working Hours/Duty Day: The contractor shall provide services between the hours of 7:30 a.m. – 4:15 p.m. on Monday through Friday, except on recognized US holidays or when the Government facility/installation is closed due to local or national emergencies, administrative closings, or similar Government-directed facility/installation closings. The contractor shall always maintain an adequate work force for the uninterrupted performance of all tasks defined within this SOW when the Government facility is not closed for the above reasons. When hiring personnel, the contractor shall keep in mind that stability and continuity of the work force are essential.

8.7. The Government reserves the right to direct the removal of an employee for misconduct, security reasons, or any overt evidence of communicable disease. Removal of contractor employees for reasons stated above does not relieve the Contractor from responsibility for total performance of this contract.

8.8. Security Requirements. The contractor shall comply with all applicable facility access and local security policies and procedures, which may be obtained from the COR. All contractor (and subcontractor) personnel shall always have a minimum of one government-issued photo identification with them.

8.8.1. Access to the roof is via a secured storage facility requiring individuals to be escorted in by third party security personnel. Individuals must sign in and out on a visitor log every time they access the facility. Access must be scheduled at least 24 hour in advance.

8.8.1.1. The Contractor may set-up an exterior ladder for roof access that would not require the security procedures outlined above.

8.9. Safety Requirements:

8.9.1. The contractor is directly responsible for complying with Federal and State OSHA standards for its employees including subcontractors.

8.9.2. Health and Safety Plan. When applicable, the Contractor shall submit a written, site-specific Health/Safety Plan and Accident Prevention Plan to the COR. The Prime Contractor Superintendent, Project Manager, Foreman shall ensure all employees and subcontractors understand the Health and Safety plans submitted for this project.

8.10. All work shall follow be performed in accordance with OHSA & NPS Regulations. If there is a conflict in regulations, the most stringent applies. Contractors are required to have a representative on staff with a current OSHA 30-Hour Construction Training Certificate. Contractors working on site shall have a current OSHA 10-Hour Construction Training Certificate.

8.11. Welding/Hot Work Permits. All Hot Work shall be permitted through the Salem Fire Department.

8.12. All work will be performed in full compliance with applicable Occupational Safety and Health Administration (OSHA) regulations. The contractor shall be responsible for implementing and maintaining a site-specific safety plan prior to mobilization.

8.13. Work involving crane operations shall comply with OSHA 29 CFR 1926 Subpart CC. Crane operators must be properly licensed and qualified, lift plans shall be developed and reviewed in advance, and all rigging shall be performed by qualified personnel. The crane will be properly sized for the rooftop unit load, set on stable ground, and operated within manufacturer load charts. Exclusion zones shall be established beneath the lift area to protect staff and visitors.

8.14. Use of aerial lifts and elevated work platforms shall comply with OSHA 29 CFR 1926 Subpart L and Subpart M. All personnel operating or working from lifts shall be trained and authorized, utilize appropriate fall protection, and conduct daily equipment inspections. Guardrails, tie-off points, and harness systems shall be used as required.

8.15. Elevated rooftop work shall include fall protection measures in accordance with OSHA requirements, including guardrails, warning lines, or personal fall arrest systems. The contractor shall ensure proper access, housekeeping, and protection of building occupants and the public throughout the duration of the work.

8.16. Physical Security. The contractor shall safeguard all Government property provided for contractor use. At the close of each work period, Government facilities, equipment and materials shall be secured.

8.17. Post Award Conference/Periodic Progress Meetings: The contractor agrees to attend any post award conference convened by the KO in accordance with FAR Subpart 42.5. The KO, COR and other Government personnel, as appropriate, may meet periodically with the contractor to review the contactor’s performance. At these meetings, the KO will apprise the contractor of how the Government views the contractor’s performance and the contractor shall apprise the Government of problems, if any, being experienced. The contractor shall resolve outstanding issues raised by the Government. Contractor attendance at these meetings shall be at no additional cost to the Government. The Contractor shall email a meeting agenda to the Government in advance of the Periodic Progress Meeting. The Contractor shall email the Meeting Minutes with bullet points of all topics discussed during the meeting no longer than seven calendar days following the end of the Progress Meeting.

8.18. Contract Manager (CM): The contactor shall designate a CM who shall ensure performance under this contract. The name of this person, and an alternate who shall act for the contractor when the CM is absent, shall be designated in writing to the KO. The CM or alternate shall have full authority to act for the contractor on all contract matters relating to daily operation of this contract. The CM shall work through the COR, to resolve issues, receive technical instructions, and ensure adequate performance of services. The CM shall ensure that contractor employees do not perform any services outside the scope of the contract without an official modification issued by the KO. The CM shall ensure contractor employees understand that services performed outside the scope of the contract are performed wholly at the expense of the contractor.

8.19. Fines. Any Federal, State, or local government fines imposed on SAMA by other government agencies due to the Contractor’s action or non-compliance with this contract or Government regulations shall be transferred to the Contractor. Additional Liquidated Damages may be enforced by the Contracting Officer if the Government incurs additional administrative work because of the Contractor’s noncompliance to Federal, State and local government standards.

9. MATERIALS AND EQUIPMENT

9.1. Government Furnished Property, Material, Equipment and Services (GFP/M/E/S)

9.1.1. Property: NONE

9.1.2. Materials: NONE

9.1.3. Equipment: NONE

9.1.4. Services: NONE

9.2. Utilities

9.2.1. All utilities in the facility will be available for the contactor’s use in the performance of this contract.

9.2.2. The contractor shall instruct employees in utilities conservation practices. The contractor shall operate under conditions that preclude the waste of utilities, which include turning off the water faucets or valves after using the required amount.

9.2.3. Hook up will be to existing outlets and will be the contractor’s responsibility.

9.2.4. Water outlets without a suitable backflow prevention device already installed must have one provided by the contractor prior to use. The backflow prevention device must be submitted to the KO for approval before installation or use. Submittal instructions apply to backflow prevention device approvals.

9.2.5. Any planned utility outage requests or notifications shall be routed to the KO no later than 30 calendar days prior to the planned outage.

9.3. Contractor Furnished Property, Materials, and Equipment (CFP/M/E):

9.3.1. Construction materials must meet relevant code specifications.

9.3.2. The contractor shall submit required Front End and Division 1 documents to the KO for approval within 10 calendar days of the NTP. Alternatively, the contractor may, within 10 calendar days of the NTP, provide the KO with a schedule indicating when each material submittal shall be submitted for approval.

9.3.3. Ensure that any disapproved submittal will not impact the approved project execution schedule, as a disapproved submittal shall not be considered grounds for a time extension.

9.3.4. Allow for a minimum of 15 working days for the Government’s processing of submittals.

9.3.5. The contractor shall not order, deliver, nor install any materials and/or equipment without KO’s approval or remove any materials on site that have not been properly approved.

9.3.6. In addition to model and serial numbers, the contractor shall provide 1 hard copy of the operations & maintenance (O&M) manual for each installed equipment item unless otherwise specified. Final payment (up to 10% of awarded amount) will be withheld until O&M manuals are received by the COR.

9.3.7. Except for those items specifically stated to be Government-Furnished in Paragraph 6.1, the contractor shall furnish everything required to perform these services as indicated in Section 1.0

10. ENVIRONMENTAL

10.1. All spills shall be reported to the COR to determine the level of reporting required and risk involved. Historically, most spills by vendors are due to oil, hydraulic fluid or gasoline leaking from service vehicles. Acceptable Safety & Environmental plans include spill kits on service vehicles.

10.1.1. Spill kits are required while working on base. Required spill kits shall match the level of risk associated with the scope of work.

10.1.2. In the event of an emergency, small scale spill kits are available at various locations around base. Government provided spill kits used in an emergency shall be restocked by the vendor at the vendor’s expense.

10.2. Hazardous Materials A hazardous material (HM) is any item that is: a. a health hazard or physical hazard as defined in 29 CFR 1910.1200(c), or b. regulated in its disposal by the Environmental Protection Agency in 40 CFR, or c. hazardous as defined by Department of Transportation regulation in 49 CFR, or d. hazardous as defined by the Dangerous Goods Regulations of the International Air Transportation Association

10.3. If hazardous material is required to complete this contract, the contractor shall submit to the KO a HM storage plan.

10.4. Any Federal, State, or local government fines imposed on SAMA due to the Contractor’s non-compliance with this contract or Government regulations shall be transferred to the Contractor. This includes but is not limited to Environmental fines, Storm Water Pollution violations, EPA and Massachusetts Department of Environmental Protection (DEP).

10.5. Additional Environmental Considerations

10.5.1. Contractor shall clean up after each work period and dispose of all debris at the close of each day.

10.5.2. The contractor shall not use any government disposal bins, dumpsters or trash receptacles for any reason at any time unless otherwise specified in this SOW. The contractor shall provide appropriate disposal bins and/or trash receptacles. Approval of disposal bins/trash receptacle location(s) shall be coordinated through the COR.

11. DEFINITIONS AND ACRONYMS

11.1. Definitions

11.1.1. Contractor: A supplier or vendor awarded a contract to provide specific supplies or service to the government. The term used in this contract refers to the prime.

11.1.2. Contracting Officer (KO): A person with authority to enter, administer, and or terminate contracts, and make related determinations and findings on behalf of the government. Note: The only individual who can legally bind the government.

11.1.3. Contracting Officer Representative (COR): An employee of the U.S. Government designated by the KO to monitor contractor performance. Such appointment will be in writing and will state the scope of authority and limitations. This individual has authority to provide technical direction to the Contractor if that direction is within the scope of the contract, does not constitute a change, and has no funding implications. This individual does NOT have authority to change the terms and conditions of the contract.

11.1.4. Defective Service: A service output that does not meet the standard of performance associated with the SOW.

11.1.5. Deliverable: Anything that can be physically delivered and includes non-manufactured things such as meeting minutes, reports, testing & commission, drawing & schematics.

11.1.6. Key Personnel: Contractor personnel that are evaluated in a source selection process and that may be required to be used in the performance of a contract by the SOW. When key personnel are used as an evaluation factor in best value procurement, an offer can be rejected if it does not have a firm commitment from the persons that are listed in the proposal.

11.1.7. Physical Security: Actions that prevent the loss or damage of Government property.

11.1.8. Quality Assurance: The government procedures to verify that services being performed by the Contractor are performed according to acceptable standards.

11.1.9. Quality Assurance Surveillance Plan (QASP): An organized written document specifying the surveillance methodology to be used for surveillance of contractor performance. The QASP requirement can be found in FAR Chapter 46. The role of a Trusted Agent (TA) and COR, assumes Quality Assurance duties. The COR monitors contractor performance to ensure compliance with the contract requirements. The COR is responsible for documenting contractor performance on the Quality Assurance Worksheets.

11.1.10. Quality Control: All necessary measures taken by the Contractor to ensure that the quality of a product or service shall meet contract requirements.

11.1.11. Subcontractor: One that enters a contract with a prime contractor. The Government does not have privity of contract with the subcontractor.

11.2. Acronyms:

11.2.1. CFR Code of Federal Regulations

11.2.2. CM Contract Manager

11.2.3. COR Contracting Officer Representative

11.2.4. FAR Federal Acquisition Regulation

11.2.5. GFP/M/E/S Government Furnished Property/Material/Equipment/Services

11.2.6. KO Contracting Officer

11.2.7. MOD Modification

11.2.8. NPS National Park Service

11.2.9. POC Point of Contact

11.2.10. POP Period of Performance

11.2.11. QA Quality Assurance

11.2.12. QASP Quality Assurance Surveillance Plan

11.2.13. QC Quality Control

11.2.14. QCP Quality Control Program

11.2.15. SAMA Salem Maritime National Historic Park

11.2.16. SOW Statement of Work

11.2.17. UFC United Facility

Attachment A Site Aerial Image

Attachment B Photos image3.jpeg image4.jpeg image5.jpeg image1.jpeg image2.png