All required deliverables submitted.
Consistent with DSC Mechanical Design Standards.
Design narrative includes descriptions of all proposed mechanical systems (HVAC, plumbing, fire protection, fuel systems, etc.).
Class C mechanical systems cost estimate accurate and correct.
All required deliverables submitted.
Consistent with DSC Mechanical Design Standards.
Mechanical system(s) appropriate for the structure.
Energy analysis and life cycle analysis for mechanical systems selection accurate and correct.
Design narrative includes descriptions of all proposed mechanical systems (HVAC, plumbing, fire protection, fuel systems, etc.).
Mechanical equipment locations thoroughly coordinated with architectural and structural.
Main ductwork and piping runs thoroughly coordinated with architectural and structural.
Class B mechanical systems cost estimate accurate and correct.
All required deliverables submitted.
Consistent with DSC Mechanical Design Standards.
Outline specifications for all proposed mechanical systems.
Heating and cooling load calculations accurate and correct.
Plumbing design calculations accurate and correct.
Fire protection design calculations accurate and correct.
Revised Class B mechanical systems cost estimate accurate and correct.
General
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All required deliverables submitted.
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Consistent with DSC Mechanical Design Standards.
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All required specification sections provided.
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Equipment and materials conform to NPS standards.
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Housekeeping pads provided for all large floor-mounted equipment.
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Adequate access space for equipment servicing and adequate pull space for filters, tube bundles, motors, etc. provided.
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Catwalks, walkways, mezzanines, etc. provided for access to equipment.
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Access doors provided as necessary for valves, equipment, trap primers, water hammer arresters, etc.
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Access door locations coordinated with architectural.
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Louvers, vents, hoods, etc. on exterior of building coordinated with architectural.
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Louver blank-offs coordinated with architectural.
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All necessary isolation valves shown.
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All low point drain valves shown.
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UL approved closure systems where piping penetrates fire rated assemblies.
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Seismic restraints for tank type water heaters, hot water storage tanks, expansion tanks, equipment, piping, etc. in seismically active areas.
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All mechanical systems power requirements thoroughly coordinated with electrical.
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Specifications thoroughly coordinated with drawings.
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Class A mechanical systems cost estimate accurate and correct.
HVAC
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HVAC systems designed to conform to all applicable codes and standards.
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Combustion air provided for fuel-burning appliances.
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Proper clearances to combustibles provided for fuel-burning appliances.
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Proper venting provided for fuel-burning appliances.
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Ventilation air provided per ASHRAE 62.
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Restroom ventilation systems provided (unless operable windows or other passive systems can provide required ventilation function).
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Ductwork and damper arrangements for air side systems correct.
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Ductwork sized correctly.
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Fire dampers where ductwork penetrates fire rated assemblies.
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Combination smoke and fire dampers shown where necessary and coordinated with electrical.
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Duct smoke detector locations shown and coordinated with electrical.
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All necessary air vents shown in hydronic systems.
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All balancing valve locations shown in hydronic systems.
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Proper air control and system pressurization shown for hydronic systems.
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Anti-freeze and anti-freeze makeup systems provided for hydronic systems that have a high probability of freezing or will be seasonally operated.
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Adequate pressure rating for boilers.
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Pressure setting for pressure relief valves correct.
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Piping and pumping arrangements for hydronic systems correct.
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Primary/secondary pumping arrangements provided for multiple boiler installations.
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Properly sized diaphragm type expansion (compression) tanks for hydronic systems.
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Chemical feeders (pot type) provided for hydronic systems.
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Sound attenuation measures provided where necessary.
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Adequate vibration isolation provided for pumps, fans, and other rotating or vibration producing equipment.
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Condensate drains with vented traps shown for all cooling coil condensate drain pans.
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All control device locations shown (thermostats, switches, sensors, actuators, control panels, etc.).
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Control system diagrams coordinated with what is shown on the plans.
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Control system points list accurate and correct (DDC systems).
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Control systems sequence coordinated with what is shown on the plans and what is shown on the control systems diagrams and points list.
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Control systems logic coordinated, correct, and unambiguous.
Plumbing
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Plumbing systems designed to conform to all applicable codes and standards.
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Building domestic water and sewer services coordinated with civil utility plan.
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Pressure reducing valve(s) installed if water supply pressure ≥ 80 psi.
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Booster pump(s) provided as necessary to maintain a minimum of 25 psig at the furthest plumbing fixture at design flowrate conditions.
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Water meters on domestic water services of each building.
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All fixtures properly trapped and vented.
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All necessary cleanouts shown.
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Trap primers or "trap guards" provided for infrequently used floor drains.
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Low-flow fixtures and fittings specified.
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Sump pumps and sewage ejectors where necessary.
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Combustion air provided for fuel-burning domestic water heaters.
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Proper clearances to combustibles provided for fuel-burning domestic water heaters.
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Proper venting provided for fuel-burning domestic water heaters.
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Domestic hot water expansion tank (if pressure reducing valves or check valves are installed on the domestic water service).
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Double-wall heat exchangers with leakage path open to atmosphere for indirect-fired domestic water heaters.
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Proper discharge routing and termination for domestic water heater temperature and pressure relief valves.
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Cross connection control (vacuum breakers on all hose connections, backflow preventers on hydronic system makeup water connections, irrigation system connections, etc.).
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Airgap fittings with outlets routed to floor drain or sink for all reduced pressure zone backflow preventers installed indoors.
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Water hammer arresters provided for domestic water systems with quick-closing valves.
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Exterior wall hydrants or hose bibbs.
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Hose bibbs in public restrooms.
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Hose bibbs in mechanical spaces.
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Domestic water piping sized correctly.
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Drain, waste, and vent (DWV) piping sized correctly.
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Oil/water separators for floor drains in automotive repair facilities.
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Secondary (overflow) roof drains or scuppers provided (if roof drains are used).
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Earthquake shutoff valves in fuel gas services in seismically active areas.
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Gas meters provided in building fuel gas services (except where a single building is served by a single LP-gas tank).
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Primary-secondary pressure regulation on LP-gas vapor services.
Fire Protection
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Fire protection systems designed to conform to all applicable codes and standards.
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Proper hazard classification(s) used.
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Building fire protection water service coordinated with civil utility plan.
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Fire department connection and inspector's test valve locations shown.
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Risers and floor control valve stations locations shown where necessary.
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Locations of fire pumps and fire pump controllers shown where necessary.
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Locations of pressure tanks, air compressors, nitrogen bottles, etc. shown where necessary.
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Locations of standpipes and hose valves shown where necessary.
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Locations of sprinklers coordinated with architectural reflected ceiling plans.
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Double check valve assembly provided on fire protection water service.
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Tamper switches for supervised valves coordinated with electrical.
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Flow switches for sprinkler activation alarm(s) coordinated with electrical.
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Piping and valving arrangements correct for fire protection systems.
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Supervised control valves provided in branch lines feeding elevator machine room, elevator hoistway, computer network room, and telecommunications equipment room sprinklers.
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High/low air pressure switches provided in dry pipe valve trim, connected to fire alarm panel.
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Tamper switches on alarm silence valves provided in wet pipe alarm check valve trim and dry pipe valve trim, connected to fire alarm panel.
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Provision made for flow testing of backflow prevention device at design flow conditions (bypass around fire department connection check valve with supervised shutoff valve).
Fuel Systems
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Fuel systems designed to conform to all applicable codes and standards.
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Proper clearances provided between fuel storage tanks, buildings, ignition sources, and public ways.
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Vehicular impact protection for aboveground fuel storage tanks.
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Fire resistant (protected) fuel storage tanks specified for aboveground liquid fuel storage.
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Overfill spill containers, overfill protection, secondary containment, fire resistant construction, continuous leak detection monitoring, tank level monitoring (inventory control), normal vents, emergency vents, vapor recovery, anti-siphon measures, etc. provided as necessary for liquid fuel storage.
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Emergency shutdown switch provided for gasoline dispensing facilities.
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Shear valves provided for vehicular fuel dispensers.
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Containment sumps provided for vehicular fuel dispensers.
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Vapor recovery provided for vehicular fuel dispensers as necessary.
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Secondary containment with continuous leak detection monitoring for pressurized underground fuel piping.
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Line leak detection system provided for pressurized fuel piping.
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Excess flow valves, emergency shutoff valves, etc. provided for LP-gas fuel storage.
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Adequate ballast and hold-downs for underground fuel storage tanks in high groundwater areas.
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Adequate corrosion resistance or corrosion protection for underground fuel storage tanks.
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Proper piping materials and piping corrosion protection to suit the particular fuel system application.
All required deliverables submitted.
All review comments from 100% Draft Review satisfactorily resolved.
