AHU Replacement at Stamford High School

This Bid Specification was prepared to solicit sealed bids on behalf of the City of Stamford Engineering Bureau from qualified responsible contractors for the replacement of two (2) rooftop air handling units (AHUs) with additional structural dunnage. The scope of work is further delineated in the attached specifications and drawings provided for this project. Federal funds will be used to satisfy all or some of the resulting contracts. All proposers must have a Unique Entity ID and register with SAM.gov either before the proposal due date or before an agreement can be executed. All proposers agree to comply with the requirements of 2 C.F.R. 200. This project is subject to Section 3 requirements and Davis Bacon Wage Rates Bid Deposit 5% Question Deadline 11/28/2023 at 11:00 AM ET All inquiries regarding this Bid must be in writing and must be postmarked or delivered at least ten (10) working days prior to the submission date and be addressed to the Project Manager identified on the front cover page of the Bid. Contact for Technical Questions: Josh Noggle, Building Systems Engineer, 203-977-5534 or jnoggle@stamfordct.gov For questions regarding the purchasing or bidding procedures, call or email Erik J. Larson, Purchasing Agent at (203) 977-4107 or elarson@stamfordct.gov. No bidder may withdraw her/his/its bid for a period of one hundred twenty (120) days from the date of bid opening. Under no event or circumstances may a contractor withdraw a bid once the City has accepted the bid, so long as the City is diligent in proceeding towards the execution of a formal contract. The performance and payment bonds must both be underwritten by an insurance company licensed to do business in the State of Connecticut and currently listed in the Department of Treasury's Treasury Listing of approved Sureties (MOST RECENT CIRCULAR) and rated B+ or better by A. M. Best in the full stipulated amount of the contract. If a certified check is provided in lieu of the submission of a surety bond or a letter of credit, the City shall deposit said check in a non-interest bearing account and shall be entitled to retain said sum in its accounts for the duration of the Agreement, including extensions thereof. Said sum shall constitute surety for the faithful and proper performance of the contract work. Any project commencing without the proper authorization shall be declared "NULL" and "VOID" and no payment shall be authorized The Contractor grants to the City of Stamford, a paid-up, royalty-free, nonexclusive, irrevocable, worldwide license in data first produced in the performance of this contract to reproduce, publish, or otherwise use, including prepare derivative works, distribute copies to the public, and perform publicly and display publicly such data. For data required by the contract but not first produced in the performance of this contract, the Contractor will identify such data and grant to the City of Stamford or acquires on its behalf a license of the same scope as for data first produced in the performance of this contract. Data, as used herein, shall include any work subject to copyright under 17 U.S.C. 102, for example, any written reports or literary works, software and/or source code, music, choreography, pictures or images, graphics, sculptures, videos, motion pictures or other audiovisual works, sound and/or video recordings, and architectural works. Upon or before the completion of this contract, the Contractor will deliver to the City of Stamford data first produced in the performance of this contract and data required by the contract but not first produced in the performance of this contract in formats acceptable by the City of Stamford.

Division 03 -	Concrete, Concrete Forming, Concrete Reinforcing, Cast-in-Place Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing, Steel Joist Framing, Metal Fabrications.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry, Finish Carpentry, Millwork.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.
Division 08 -	Openings, Doors and Frames, Metal Doors and Frames, Specialty Doors and Frames, Entrances and Storefronts, Windows, Mirrors, Vents.
Division 09 -	Finishes, Plaster and Gypsum Board, Tiling, Acoustical Ceilings, Flooring, Resilient Flooring, Carpeting, Painting.
Division 10 -	Specialties, Visual Display Units, Chalkboards, Markerboards, Tackboards, Signage, Compartments and Cubicles, Toilet Compartments, Shower and Dressing Compartments, Fire Protection Specialties, Fire Protection Cabinets, Fire Extinguishers, Lockers, Flagpoles.
Division 11 -	Equipment, Foodservice Equipment, Food Preparation Equipment, Food Cooking Equipment, Food Dispensing Equipment, Service Line Equipment, Cleaning and Disposal Equipment, Educational and Scientific Equipment, Library Equipment, Audio-Visual Equipment, Laboratory Equipment, Athletic and Recreational Equipment.
Division 12 -	Furnishings, Window Treatments, Casework, Furniture, Multiple Seating.
Division 21 -	Fire Suppression, Instrumentation and Control for Fire-Suppression Systems, Fire-Extinguishing Systems.
Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Facility Water Distribution, Facility Sanitary Sewerage, Facility Storm Drainage, Plumbing Equipment, Plumbing Fixtures, Commercial Plumbing Fixtures, Drinking Fountains and Water Coolers.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), HVAC Insulation, Instrumentation and Control for HVAC, HVAC Air Distribution.
Division 26 -	Electrical, Power Distribution Units, Lighting, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Audio-Video Communications, Distributed Audio-Video Communications Systems, Paging Systems, Public Address Systems.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Electronic Detection and Alarm, Fire Detection and Alarm.
Division 31 -	Earthwork, Site Clearing, Grading, Excavation and Fill, Soil Treatment.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways, Paving Specialties, Parking Bumpers, Speed Bumps, Pavement Markings, Athletic and Recreational Surfacing, Fences and Gates, Irrigation, Planting, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Sanitary Sewerage Utilities, Storm Drainage Utilities, Electrical Utilities.