General Planning Criteria Sample Clauses
General Planning Criteria a. Do not use mechanical rooms or air handling unit equipment rooms as return air plenums. No pumps, panel boxes, etc. can be installed in a plenum. Each component of an air handling system shall be spaced in the unit so that there is ample room on all sides for inspection and maintenance and man size hinged access doors shall be provided for ready access to these spaces.
b. Ventilate mechanical rooms.
c. All mechanical rooms shall have locks and a common key system not accessible to building personnel.
General Planning Criteria a. Do not use mechanical rooms or air handling unit equipment rooms as return air plenums. No pumps, panel boxes, etc. can be installed in a plenum. Each component of an air handling system shall be spaced in the unit so that there is ample room on all sides for inspection and maintenance and man size hinged access doors shall be provided for ready access to these spaces.
b. Ventilate mechanical rooms.
c. All mechanical rooms shall have locks and a common key system not accessible to building personnel.
d. Provide lifting eyes or trolley rails for heavy equipment.
e. Combinations of mechanical rooms and janitor closets, or mechanical room with storage spaces, are not acceptable. Main electrical switch gear shall be in a separate room and avoid liquid conveying pipes above the gear. Where such an arrangement is not possible, consult OFPC.
General Planning Criteria a. Do not use mechanical rooms or air handling unit equipment rooms as return air plenums. No pumps, panel boxes, etc. can be installed in a plenum. Each component of an air handling system shall be spaced in the unit so that there is ample room on all sides for inspection and maintenance and man size hinged access doors shall be provided for ready access to these spaces.
b. Ventilate mechanical rooms.
c. All mechanical rooms shall have locks and a common key system not accessible to building personnel.
d. Provide lifting eyes or trolley rails for heavy equipment.
e. Combinations of mechanical rooms and janitor closets, or mechanical room with storage spaces, are not acceptable. Main electrical switch gear shall be in a separate room and avoid liquid conveying pipes above the gear. Where such an arrangement is not possible, consult UTH.
f. Access shall be provided to mechanical room spaces without going through any assigned area such as a janitor closet.
g. Walkways shall be provided for roof-mounted machinery so that equipment may be serviced without traffic directly on roof. Roof mounted equipment shall be accessible by a stair. Hatches without stairs or use of external ladders are not acceptable.
h. Equipment rooms shall be large enough to provide access to all equipment for maintenance and a means to remove and replace equipment. Adequate “pull spaces” shall be provided for coils, shafts, filters, etc.
i. The standard HVAC system preferred by the owner is the double duct VAV terminal unit (“mixing box”) that performs to the owner’s satisfaction. If for some reason double duct systems are not appropriate for the project, then the designer shall design a single duct system with hot water coils for temperature control. This exception will only be allowed via written permission from the owner’s Mechanical Engineer.
j. When the air conditioning system is operating on the refrigerated water cycle, the outside air shall be dehumidified by a separate air unit before releasing into the return air plenum of the main unit. This requirement is mandatory in the coastal areas and may be required on other campuses, depending on the building usage and the dewpoint of the design outside air conditions.
k. All coils shall be ARI rated. Fins shall be no more than 8 per inch. Cooling coils shall have copper fins; if spiral wound, they shall be solder dipped. Maximum number of rows in a single bank shall not exceed six.
l. All strainers shall have blow-down valves with 3/4...