18.104.22.168 Drawings: Submit the following drawings developed to the
a) Drawings required for the Design Development Submission (90%
Exterior Mechanical Details (60% complete):
1) Concrete encased underground ducts indicating size of
ducts, thickness of encasement, thickness of concrete between various
ducts and burial depth.
New manholes and handholes.
3) Steam system details, including expansion provisions,
4) Fuel storage details showing tanks, associated piping,
supports and tie-downs.
Basic System and Riser Diagrams (60% complete):
Automatic fire extinguishing systems.
d) Equipment Schedules (60% complete): Show schedules for all
equipment such as air handlers, condensers, pumps, diffusers, fans,
unit heaters, plumbing fixtures, etc.
e) Control Diagrams and Sequence of Operation (60% complete):
Show appropriate control schematics, control ladder diagrams,
equipment schedules, elementary diagrams, control sequence and flow
diagrams for each mechanical system, including Direct Digital Control
(DDC) Systems. Provide control DDC Sensor/feedback points lists for
Other drawings as required (60% complete) including:
2) Sections, including duct offsets and transformations
to avoid obstructions such as piping, steelwork, and fixtures in the
ceiling. (NOTE: These items must be shown to avoid change order
costs during construction.)
Details, including sprinkler riser showing anchor