Heating , Ventilation , and Air Conditioning ( HVAC ) Replacement Services in Calaveras County

2026-11-03

A . Pre - Work Meeting 1 ) After receiving the Notice to Proceed ( NTP ), Contractor shall contact Caltrans Contract Manager to schedule a mutually agreed upon date and time for a Pre - Work Meeting , to be held not more than 30 days after Contractor receives the NTP . 2 ) The purpose of the Pre - Work Meeting is to discuss the process steps and schedule of work to be performed , as well as for the Contractor to submit data sheets to Caltrans Contract Manager . 3 ) Contractor shall prepare a submittal for all new units . 4 ) Contractor shall verify all measurements prior to ordering materials . 5 ) Contractor must receive written approval from Caltrans Contract Manager prior to purchasing any parts or materials necessary to complete the contracted work . B . Removal Contractor shall be responsible for the proper legal disposal of all parts removed , including but not limited to the entire existing HVAC air handlers and condensers , including recovered refrigerant . This includes any other litter , waste , debris , and similar materials arising from or produced by the work being performed under this agreement . C . Installation ( Units ) Contractor shall furnish one ( 1 ) new unit for a 8500 BTU area ( 1 room ) of like kind and size with the same cubic feet per minute ( cfm ) output as those units removed . D . Installation Specifics 1 ) Contractor shall relabel all new units and power disconnects for identification purposes . 2 ) Contractor shall replace all PVC with copper pipes , to condensate piping . 3 ) Contractor shall replumb gas shutoffs and sediment traps for correct installation . 4 ) Contractor shall replace old power shutoffs and correct any deficiencies . 5 ) Contractor shall replace all failed conduit with weather tight flexible steel coated conduit . 6 ) Contractor shall perform any necessary roof repair and sealing around units to prevent leaks . 7 ) Contractor shall ensure roof top units are comparable in weight to existing unit ; if a heavier unit is used , Contractor shall conduct a structural analysis to ensure proper support . 8 ) Contractor shall verify that the existing power service meets the needs and requirements of all the new units . Any power supply modifications ( wire size , breaker sizing and conduit sizing ) shall be included , as needed , to meet voltage , phase , and / or amperage differences between units . 9 ) Hood adaptors are allowed for the purpose of installing compatible units . E . Miscellaneous Contractor Responsibilities Contractor shall perform the following tasks : 1 ) Provide materials , fasteners , and complete compatible HVAC units . 2 ) Mounting location ; inspect the mounting locations of all units . Determine if locations meet the manufacturers recommendations for installation . Demolish and replace or retrofit the mounting locations to facilitate the correct installation of the new HVAC units . Ensuring surface is correct for proper operation of HVAC unit with a flat / level mounting surface , providing adequate drainage away from the pads to ensure the proper operation and expected service life of the equipment is achieved . 3 ) Inspect serviceability of existing copper lines and control wiring between inside and outside HVAC components . Replace or clean as needed to ensure years of maintenance free service . Include in the purging and cleaning , or replacement of the existing cooper lines between the condensers and the air handlers , contractor needs to install insulation to assist in efficiency . Installation needs to be to industry standards . 4 ) Relocate / replumb piping , verify / upgrade wiring as needed for correct connection , and verify control wiring serviceability for all new units . 5 ) Relocate condensation drainpipes as needed to ensure correct drainage of water . 6 ) Warranty provided by Contractor is per manufacturer ’ s warranty , or one ( 1 ) year , whichever is longer . Workmanship is of one year except for the roof mounted unit will have a three ( 3 ) year leak free guarantee . That is three ( 3 ) years of no leaking caused by rain or snow . In the event of a leak in the roof caused by installation , Contactor is liable for all repairs at the Contractor ’ s sole expense . 7 ) Contractor shall perform system start - up and instruct site personnel on operation or maintenance of new systems or equipment , as necessary . Contractor shall also include a written - up manufacturing start up commission report to Caltrans Contract Manager at the completion of work . 8 ) Inspect serviceability of existing insulation and copper lines and control wiring between inside and outside HVAC components . Replace or clean as needed to ensure years of maintenance free of service . 9 ) Contractor is responsible for all permits needed . ( This “ like and kind ” replacement will be exempt from State Fire Marshal ( SFM ) permit requirements ).

California

2026-03-27