HVAC & Controls

Division 23 · 3 bidders · Budget $7,340,000 · Updated 8/16/26

Bids received

CarriedExcludedNot addressed

Section	Scope item	Arrowmont Mechanical 41 of 74 addressed	Delridge Mechanical 74 of 74 addressed	Kestrel Air & Controls 58 of 74 addressed
23 05 00 Common Work Results for HVAC
23 05 00	Seismic restraints and vibration isolation	no	yes	yes
23 05 00	Equipment pads and curbs	no	yes	no
23 05 00	Roof curbs and flashing at penetrations	yes	yes	no
23 05 00	Structural steel supports for equipment	no	yes	no
23 05 00	Cutting, patching and core drilling	?	yes	yes
23 05 00	Firestopping at rated penetrations	yes	yes	no
23 05 00	Access doors in walls and ceilings	yes	yes	yes
23 05 00	Identification, labeling and as-builts	?	yes	yes
23 05 00	Testing, adjusting and balancing	no	yes	yes
23 05 00	Commissioning support and functional testing	?	yes	yes
23 05 00	Temporary heat and conditioning during construction	?	no	no
23 05 00	Permits, plan check and inspection fees	no	no	no
23 07 00 HVAC Insulation
23 07 00	Duct insulation, supply and return	yes	yes	yes
23 07 00	Duct liner	yes	yes	yes
23 07 00	Hydronic piping insulation	yes	yes	yes
23 07 00	Refrigerant piping insulation	?	yes	yes
23 07 00	Exterior jacketing at exposed duct and pipe	?	yes	no
23 09 00 Instrumentation and Control for HVAC
23 09 00	Direct digital control panels	no	yes	yes
23 09 00	Field devices, sensors and thermostats	yes	yes	yes
23 09 00	Control wiring and conduit	no	yes	no
23 09 00	Line voltage power to control panels	no	no	no
23 09 00	Building management system head end	no	yes	yes
23 09 00	BMS graphics and point mapping	?	yes	yes
23 09 00	Integration to fire alarm for smoke control	?	yes	no
23 09 00	Integration to owner's enterprise system	?	yes	no
23 09 00	Controls commissioning and point-to-point	?	yes	yes
23 09 00	Training and owner documentation	?	yes	yes
23 21 00 Hydronic Piping and Pumps
23 21 00	Hydronic piping, above grade	yes	yes	yes
23 21 00	Hydronic piping, below grade	?	yes	?
23 21 00	Base-mounted and inline pumps	yes	yes	yes
23 21 00	Expansion tanks and air separators	yes	yes	yes
23 21 00	Valves, balancing and isolation	yes	yes	yes
23 21 00	Hydronic specialties and gauges	?	yes	yes
23 21 00	System flushing, cleaning and chemical treatment	?	yes	?
23 21 00	Glycol fill and makeup	?	yes	?
23 23 00 Refrigerant Piping
23 23 00	Refrigerant piping and fittings	yes	yes	yes
23 23 00	Refrigerant charge and leak test	?	yes	yes
23 23 00	Line sets at split systems	yes	yes	yes
23 23 00	Refrigerant monitoring and alarm	?	yes	?
23 31 00 HVAC Ducts and Casings
23 31 00	Galvanized sheet metal ductwork, low pressure	yes	yes	yes
23 31 00	Galvanized sheet metal ductwork, medium pressure	yes	yes	yes
23 31 00	Stainless and specialty duct at kitchen exhaust	?	yes	?
23 31 00	Grease duct and wrap	no	yes	?
23 31 00	Flexible duct runouts	yes	yes	yes
23 31 00	Duct sealing and leakage testing	yes	yes	yes
23 31 00	Duct hangers, supports and seismic bracing	yes	yes	yes
23 31 00	Underground and slab-embedded duct	?	yes	?
23 31 00	Duct cleaning at turnover	?	no	?
23 33 00 Air Duct Accessories
23 33 00	Volume dampers, manual and motorized	yes	yes	yes
23 33 00	Fire and smoke dampers	no	yes	yes
23 33 00	Smoke damper wiring and interlock	no	yes	no
23 33 00	Backdraft and gravity dampers	yes	yes	yes
23 33 00	Duct-mounted smoke detectors, furnish	no	no	no
23 33 00	Duct access doors and test ports	?	yes	yes
23 34 00 HVAC Fans
23 34 00	Roof-mounted exhaust fans	yes	yes	yes
23 34 00	Inline and cabinet fans	yes	yes	yes
23 34 00	Kitchen exhaust fans and makeup air	?	yes	?
23 34 00	Fan starters and disconnects	?	yes	no
23 37 00 Air Outlets and Inlets
23 37 00	Diffusers, registers and grilles	yes	yes	yes
23 37 00	Louvers and wall caps	yes	yes	yes
23 37 00	Architectural linear diffusers	?	yes	?
23 37 00	Sound boots and plenums	?	yes	?
23 41 00 Particulate Air Filtration
23 41 00	Filters at air handling equipment	yes	yes	yes
23 41 00	Construction filters and change-out at turnover	?	yes	yes
23 41 00	Filter gauges and monitoring	?	yes	?
23 64 00 Packaged Water Chillers
23 64 00	Air-cooled chiller, furnish and set	?	yes	?
23 64 00	Chiller rigging and pad	?	yes	?
23 64 00	Chiller startup by manufacturer	?	yes	?
23 74 00 Packaged Outdoor HVAC Equipment
23 74 00	Packaged rooftop units, furnish	yes	yes	yes
23 74 00	Rooftop unit rigging and setting	yes	yes	yes
23 74 00	Rooftop unit startup and warranty	?	yes	yes
23 74 00	Economizer and outside air control	?	yes	yes
23 74 00	Condensate piping and routing	yes	yes	yes
23 74 00	Roof curb adapters at replacement units	?	yes	?

yes carried · no excluded in writing · ? no response in the proposal. The coverage bar counts a written exclusion as a response, because an exclusion is an answer. Silence is not. An item marked new was added to the template after the bids came in, so no bidder was ever asked it.