B08_-_Statement_of_Work_-_EN_Lodge_Heat_exchangers_HVAC.pdf

140F0222Q0035

TECHNICAL SPECIFICATIONS

Furnace Heat Exchanger Replacement At

Eastern Neck NWR, Maryland

TABLE OF CONTENTS

SECTION DESCRIPTION NO. OF PAGES

1 General Requirements 4

2 Demo and Prep Work 1

3 Installation 2

Appendix A Drawings of the Work Area 3

Appendix B Past Experience and References 2

SECTION 1

GENERAL REQUIREMENTS

PREFACE

The Visitor Contact Station/Refuge Office (known as “the Lodge”) at Eastern Neck NWR (1730 Eastern Neck Road, Rock Hall, MD 21661) is located approx. 9 miles south of Rock Hall, MD, in Kent County on the Delmarva Peninsula. There are four heat pump/furnace HVAC units that serve this building. Two of these units (manufactured in 2008) have faulty heat exchangers that need replaced.

1.01 SCOPE OF WORK

A. The work consists of removal and replacement of existing primary and secondary heat exchangers on two Carrier LP furnaces (furnace model 58MCB100-20, product number 58MCB100- 11120, series 110). If there are any other parts that are deemed necessary to replace during this process, notify government representative and obtain a fully satisfied contract modification prior executing any additional work.

1.02 INSPECTION OF SITE

A. Prospective quoters are to inspect the site by prior arrangement with Dustin Murray, telephone (667) 372-8348. Contractors should visit the site to familiarize themselves with the extent of the work prior to submitting a quote. Note that this station is not staffed full-time; an appointment MUST be made prior to a site visit.

1.03 REFUGE OPERATIONS

A. Eastern Neck NWR will continue operations during the performance of the contract. The Lodge will remain open to the public during its usual hours: Friday-Sunday 11am – 3 pm.

B. The Contractor shall exercise care and shall schedule their work so as not to interfere with

Refuge operations. When it becomes necessary to interrupt any function of the existing Refuge, the Contractor shall notify the Refuge POC at least 48 hours in advance and shall not proceed on such interruptions until such time as the Refuge makes provisions for and approves such operations.

1.04 WORK SCHEDULE, TIME FOR COMPLETION

A. The Contractor shall confine their operations to the regular hours of the Refuge (7 a.m. to 4:30 p.m. Monday through Friday), unless they have the prior approval of the Refuge Manager. No work will be allowed on Saturdays, Sundays, or legal Holidays.

B. Refer to the Approved Solicitation for the specific Period of Performance. Once work begins, the contractor shall make every effort to commence with work in an uninterrupted efficient manner, while adhering to all industry and contract specifications. Work shall be completed within sixty (60) calendar days after receipt of Order/Contract.

1.05 CLEANUP AND DAMAGES

A. The Contractor shall restore or replace any property or plantings damaged by his work, equipment, or employees.

B. Sidewalks and all other public access routes shall be kept clear of debris during construction. Debris/material removed from building that will not be re-used shall be removed daily. The Contractor is responsible for the proper removal and disposal of all debris on this project.

C. Contractor’s equipment can stay on site at the Contractor’s discretion, but it must be stored in such a manner as to be out of the way and deter theft. Any theft, damage, etc. to Contractor’s equipment left on site is not the liability of the government.

1.06 SUBMITTALS

A. At the time of submitting a proposal/quote for this project, the Contractor shall submit manufacturer's literature containing detailed specifications and performance data, or shop drawings fully describing all items that the contractor intends to use. Include manufacturer's printed instructions and recommendations for installation.

B. The Government will indicate its approval or disapproval of proposed materials and associated shop drawings and manufacturer's literature. If not approved as submitted, the Government will indicate its reasons therefore and request additional information or alternative materials be submitted. Only approved materials may be used for the project. Any work done prior to such approval shall be at the Contractor's risk. If any unapproved materials are used, the contractor may be required to replace said materials with approved items, or pause work while approval is sought.

C. When specific brand names are called for within these specifications, the offeror may submit other-branded products for approval and use, so long as the other-branded items are of an equivalent or greater quality. Submittals must demonstrate that other-branded products meet or exceed the qualities and applicability of the branded products called for within.

1.07 DELIVERY AND STORAGE

A. Materials shall be delivered to the site in a dry and undamaged condition and stored out of contact with the ground. The contractor is solely responsible for taking delivery of materials; no government representative may do so on the contractor’s behalf.

B. Materials shall be covered with weathertight coverings and kept dry. Materials shall be stacked on firm, level supports.

C. All materials (including any debris) shall be secured from blowing so as to not disturb/litter sensitive habitat or create a nuisance/eyesore to visitors.

1.08 GENERAL SAFETY REQUIREMENTS AND COVID-19 CONSIDERATIONS

A. Contractor shall be responsible for strict compliance with all provisions of Occupational Safety and Health Administration (OSHA) requirements 29 CFR 1910 and 29CFR 1926 for the duration of this contract.

B. Contractor personnel shall adhere to CDC, Department of Interior, and State and Local

COVID-19 guidelines. Proper social distancing and hygiene such as hand washing/sanitizing and frequently touched surface disinfection procedures should be followed. Contractor is responsible for providing their own cleaning/sanitizing products.

Refuge POC will verify these guidelines at the start of the contract and any time this guidance changes.

1.09 CONTRACTOR AND SUBCONTRACTOR QUALIFICATIONS

A. At the time of bid submittal, the offeror shall also submit a completed Past Experience & References form (included in the bid package), listing at least three current or prior projects similar in size or complexity to this scope of work that demonstrate a competency to perform the work required. See form for specific details.

B. Also at the time of bid submittal, offeror shall submit a list of any subcontractors that they intend to use (if any). Subcontractors must be capable to perform the work required of them. Offeror shall oversee all subcontractors’ work, ensuring strict adherence to the technical specifications and industry standard practices for quality workmanship.

1.10 INSPECTION OF WORK AND QUALITY CONTROL

A. Government representative(s) shall inspect contractor’s work to ensure that all work is being completed within the specs and scope of this contract. Inspections may be made at the Government’s convenience, without prior notice to the contractor, and at any time interval/frequency that they deem necessary.

B. Any products or work that are deemed unsatisfactory may be required to be re-done at the

Contractor’s expense, should it be determined that the contractor is working outside spec, scope, or industry standard practices.

C. Any lack of Government inspection does not absolve the Contractor from adhering to all documents within the contract. It is always the contractor’s responsibility to ensure all work is being completed properly.

END OF SECTION

SECTION 2

DEMO AND PREP WORK

PART 1 - GENERAL

1.01 DESCRIPTION

A. This Section includes information regarding removing existing primary and secondary heat exchangers on both furnaces.

1.02 SUBMITTALS

A. N/A.

PART 2- PRODUCTS

A. N/A

PART 3 - EXECUTION

3.01 DEMO WORK

A. Remove any other components necessary to access primary and secondary heat exchangers. Caution must be exercised not to damage any components that are to be reinstalled.

B. Remove old primary and secondary exchangers.

C. Properly dispose of all items removed that are not intended for re-use.

SECTION 3

INSTALLATION

PART 1 - GENERAL

1.01 DESCRIPTION

A. Work under this section consists of installing new primary and secondary heat exchanger assemblies, gaskets, sealant, and all other components, to ensure both furnaces are 100% operational.

1.02 SUBMITTALS

A. Submit product information for approval for all the materials to be used on this project.

PART 2 – MATERIALS

2.01 HEAT EXCHANGERS

A. Primary exchanger assemblies- Use Carrier brand or approved equal, to be 100% compatible with the installed furnaces. Only use new products; used or reconditioned are not acceptable.

B. Secondary exchanger assemblies- Use Carrier brand or approved equal, secondary condensing exchangers, to be 100% compatible with the installed furnaces. Only use new products; used or reconditioned are not acceptable.

2.02 ADHESIVES/SEALANTS & GASKETS

A. Use adhesives and sealants (as necessary) designed for the application.

B. All gaskets shall be designed for the application and specific part(s).

2.03 MISCELLANEOUS

A. Any parts damaged during the repair process shall be replaced in kind. Provide manufacturer and product information on all parts replaced prior to installation.

PART 3 - EXECUTION

3.01 EXCHANGERS AND APPERTUNENT COMPONENTS

A. Install new exchangers and all other components in accordance with industry standard.

Ensure adhesive, sealants, and gaskets are applied properly and where required.

B. Reinstall all other components that were removed in order to access the exchangers.

3.02 EQUIPMENT TESTING

A. After installing all new parts and reassembling units, run a thorough test of the units to ensure 100% proper operation. Test all parameters (CO and O2 levels, exhaust temperature, burn ratio, conditioned air temperature, etc.) to ensure that they fall within unit specifications.

APPENDIX A

Photos of the furnaces.

APPENDIX B- PAST EXPERIENCE & REFERENCES

Solicitation # __ 140F0222Q0035______________________

REFERENCES

This form must be completed by all quoters/bidders in order to receive consideration. If additional space is needed, this form may be duplicated as necessary. List any current or past experience that is pertinent to this position. Past performance and experience may be contracts similar in size and complexity to those stated in the Scope of Work and work experience in similar positions, performing duties similar in nature and complexity to the required services. Include (separately) details of any training that would enable you to better perform the work outlined in the specifications. Reference information should include a point-of-contact's name, telephone number and e-mail address.

Reference No. 1

Contract/Work type:

Contract Number (if applicable):

Total Contract Value:

Agency/Firm for who the work was performed:

Contact Person at this site:

Telephone # : Email address:

Month/Year work began: Month/Year work ended:

Reference No. 2

Agency/Firm for who the work was performed:

Contact Person at this site:

Reference No. 3

Agency/Firm for who the work was performed:

Contact Person at this site: