1. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS SAMPLE QUESTIONS

2. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS ESTABLISHING DESIGN CRITERIA:  HEATING REQUIREMENTS.  COOLING REQUIREMENTS.  HUMIDITY CONTROL REQUIREMENTS.  VENTILATION REQUIREMENTS.

3. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS DESCRIPTION: VARIATIONS IN HEATING, COOLING OR VENTILATION REQUIREMENTS.

4. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS SOLAR ORIENTATION: NORTH, SOUTH, EAST, WEST OR ROOF.

5. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS DETERMINANTS OF ZONES:  FUNCTION  INTERNAL LOADING.  VARIATIONS IN VENTILATION RATE.  BELOW GRADE CONSTRUCTION

6. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS VARIATIONS IN FUNCTION (LOADING): OCCUPANCY & USAGE.

7. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS CENTRAL SYSTEMS:  REQUIRES ONE OR MORE LARGE MECHANICAL ROOMS.  SIZABLE DISTRIBUTION TREE.  BREAK DOWNS CAN PARALYZE THE ENTIRE BUILDING.  BETTER NOISE & HEAT CONTROL.  LONGER LIFE EQUIPMENT.  BETTER ENERGY CONSERVATION.

8. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS UNITARY SYSTEMS:  INDIVIDUAL ROOM CONTROL & AIR DISTRIBUTION.  SIMULTANEOUS HEATING & COOLING.  ABILITY TO RESPOND TO SCHEDULING VARIATIONS.  NO MECHANICAL ROOM.  EQUIPMENT MALFUNCTION AFFECTS ONLY ONE ZONE.

9. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS UNITARY SYSTEMS:  SPACE SAVINGS OVER CENTRAL SYSTEMS.  LOW INITIAL COSTS & EASE OF INSTALLATION.  UNABLE TO MAINTAIN CLOSE TEMPERATURE TOLERANCES.  UNABLE TO HANDLE EXCEPTIONALLY HIGH LATENT OR SENSIBLE LOADS.  NOISY & OFTEN UNATTRACTIVE.

10. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS UNIFORMITY:  RAPID DESIGN & CONSTRUCTION.  LOW FIRST COSTS.  NOT ALWAYS ATTRACTIVE TO USERS.

11. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION  ESTABLISHING DESIGN CRITERIA  ZONING  CENTRAL VERSUS LOCAL  UNIFORMITY VERSUS DIVERSITY SPACE REQUIREMENTS SAMPLE QUESTIONS DIVERSITY:  PROVIDES INTEREST & ORIENTATION TO USERS.  REQUIRES COMPLETE & DETAILED DESIGN OF PLACES.

12. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS INTRODUCTION:  RULES OF THUMB ARE FOR PRELIMINARY USE ONLY.  APPLICABLE PRIMARILY TO MEDIUM TO LARGE BUILDINGS.

13. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS PLANT SIZE:  LOW LOAD (APARTMENTS, HOTELS, DORMITORIES, ETC.): 1 TO 2 % OF GROSS BUILDING AREA.  MODERATE LOAD (OFFICES, MERCANTILE, SCHOOLS, ETC.): 2 TO 3% OF GROSS BUILDING AREA.  HEAVY LOAD (RESTAURANT, THEATERS, AUDITORIUMS, ETC): 3 TO 5% OF GROSS BUILDING AREA.

14. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS CEILING HEIGHT: 12’ TO 16’

15. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS OUTSIDE WALL LOCATION:  NEED FOR AN INTAKE GRILLE FOR COMBUSTION AIR.  NEED FOR A DOOR OR REMOVABLE PANEL TO ALLOW FOR REMOVAL & REPLACEMENT OF BOILERS.

16. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS OTHER CONSIDERATIONS:  IN LARGE BUILDINGS USUALLY TWO BOILERS ARE USED.  BOILER SIZE: 4’ -10’ WIDE & 10’ – 30’ LONG.  CLEARANCE: 3’-6” – 5’-0”.  CHIMNEY. HEATING EQUIPMENT:

17. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS

18. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS WILLIS FABER & DUMAS BUILDING, IPSWICH, ENGLAND, ARCHITECT: NORMAN FOSTER

19. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS  OUTSIDE WALL: FOR VENTILATION & MAINTENANCE.  HEAVY FLOOR LOADS.  GIVES OFF HEAT, NOISE & VIBRATION.  ADJACENT TO BOILER ROOM IF SEPARATE. LOCATION OF COOLING EQUIPMENT:

20. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS  COOLING TOWER FLOOR AREA: ALLOW ONE SQUARE FOOT OF TOWER SPACE PER TON OF REFRIGERATION.  COOLING TOWER HEIGHT: 13’ TO 40’.

21. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS

22. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS COOLING TOWERS LOCATION:  GROUND: MUST BE AT LEAST 100’ FROM THE BUILDING.  ROOF: ISOLATED ACOUSTICALLY & AWAY FROM WINDOWS & FRESH AIR LOUVERS.

23. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS COOLING TOWERS:  COOLING TOWERS ARE REQUIRED WHEN WATER COOLED CONDENSERS ARE USED (AIR-COOLED CONDENSERS ARE LIMITED IN CAPACITY TO ABOUT 125 TONS). CALCULATION OF TONNAGE: LOW LOAD (APARTMENTS, HOTELS, DORMS, ETC): 1 TON PER 300 SF. MODERATE LOAD (OFFICES, COMMERCIAL, INSTITUTIONAL, ETC.): 1 TON PER 150 SF. HIGH LOAD (RESTAURANTS): 1 TON PER 100 SF.

24. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS

25. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS COOLING TOWERS: U.S. STEEL BUILDING, PITTSBURGH, PA, 1970 ARCHITECTS: HARRISON & ABRAMOVITZ & ABBE

26. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS FAN ROOMS: SPACE REQUIREMENTS: FLOOR AREA: 3 TO 7% OF GROSS BUILDING AREA. CEILING HEIGHT: 16 TO 18 FEET.

27. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS FAN ROOMS:  FAN ROOMS HAVE A REACH OF 11 TO 13 STORIES UP OR DOWN. ONE LIBERTY PLAZA

28. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS KLINE TOWER, NEW HAVEN, CT IDS BUILDING, MINNEAPOLIS, MN

29. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS FRESH AIR INTAKE LOUVERS: LOW LOAD: 1 SF PER 500 SF OF AREA SERVED. MODERATE LOAD: 1 SF PER 300 SF OF AREA SERVED. HEAVY LOAD: 1 SF PER 200 SF OF AREA SERVED. 333 WACKER BUILDING, CHICAGO, IL 1979-83 ARCHITECTS: KOHN PEDERSEN FOX

30. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS 333 WACKER BUILDING, CHICAGO, IL 1979-83 ARCHITECTS: KOHN PEDERSEN FOX

31. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS FAN ROOM EXHAUST LOUVERS: LOW LOAD: 1 SF PER 600 SF OF AREA SERVED. MODERATE LOAD: 1 SF PER 400 SF OF AREA SERVED. HEAVY LOAD: 1 SF PER 300 SF OF AREA SERVED.

32. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS FAN ROOMS: THE FOX PLAZA OFFICE BUILDING, LOS ANGELES, CA

33. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS VERTICAL DISTRIBUTION DUCT CHASE SIZE: LARGE BUILDINGS (HIGH-RISE): 2 TO 5% OF GROSS FLOOR AREA. SMALL BUILDINGS: 0.75 TO 1.0% OF GROSS FLOOR AREA.

34. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS VERTICAL DISTRIBUTION CHASE PROPORTIONS: 2 : 1 TO 4 : 1

35. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS VERTICAL DISTRIBUTION DUCT CHASE LOCATION:  CENTRALIZED.  SERVING AN AREA WITHIN 50’ TO 100’ OF THE SHAFT. U.S. STEEL BUILDING, PITTSBURGH, PA

36. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS ONE LIBERTY PLAZA, NEW YORK, NY CHASE MANHATTAN BANK BUILDING

37. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS CITICORP TOWER, NEW YORK, NY

38. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS DUCT SIZING FORMULA FOR DUCT SIZING: A = (CFM/FPM ) x 144 SQUARE INCHES X FA A = CROSS-SECTIONAL AREA IN SQUARE INCHES. CFM = AIR VOLUME IN CUBIC FEET PER MINUTE AIR FPM = AIR VELOCITY IN FEET PER MINUTE FA = FRICTIONAL ALLOWANCE

39. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS DUCT SIZING ESTIMATING AIR VOLUME: AIR VOLUME (CFM): LOW LOAD (APARTMENT, HOTEL, DORMITORIES, ETC): 1.0 CFM PER SF OF AREA SERVED. MODERATE LOAD (OFFICES, INSTITUTIONAL BUILDINGS, ETC.): 2.5 CFM PER SF OF AREA SERVED. HEAVY LOAD (AUDITORIUMS, CLASSROOMS, KITCHENS & CONFERENCE ROOMS, ETC): 4.0 CFM PER SF OF AREA SERVED.

40. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS DETERMINING AIR VELOCITY (FPM)

41. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS DETERMINING FRICTIONAL ALLOWANCE FRICTIONAL ALLOWANCE:  ROUND DUCTS: 1.0  SQUARE OR NEARLY SQUARE: 1.1  THIN RECTANGULAR: 1.25

42. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS DETERMINING DUCT SIZE SAMPLE PROBLEM: DETERMINE THE DUCT SIZE FOR A MAIN DUCT SERVING A 5000 SF OFFICE BUILDING. ASSUME THE DUCT IS A THIN RECTANGLE: FORMULA: A = (CFM/FPM ) x 144 SQUARE INCHES X FA A = [(2.5 x 5000) / 1000] X 144 X 1.25 A = 2,250 SQUARE INCHES IN CROSS SECTION

43. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS DUCT ARRANGEMENT

44. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS SUPPLY DIFFUSERS: LARGER THAN DUCT (PERCENT OPEN). NUMBER: 4 TO 7 PER 1000 SF OF AREA SERVED.

45. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS SUPPLY DIFFUSERS

46. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS SUPPLY DIFFUSERS:  CONTINUOUS SUPPLY DIFFUSERS

47. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS CONTINUOUS SUPPLY DIFFUSERS

48. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS RETURN LOUVER

49. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS RETURNS GRILLS RETURN LOCATION & NUMBER

50. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS RETURN AIR PLENUM

51. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS  INTRODUCTION  MECHANICAL EQUIPMENT ROOMS  DISTRIBUTION SYSTEM  DIFFUSERS & RETURNS SAMPLE QUESTIONS RETURN AIR PLENUM

52. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS SAMPLE QUESTIONS WHICH OF THE FOLLOWING STATEMENTS ABOUT MECHANICAL ROOMS IS INCORRECT? A. AN INTAKE GRILLE IS REQUIRED FOR COMBUSTION AIR. B. A DOOR OR A REMOVABLE PANEL IS REQUIRED FOR REMOVAL & REPLACEMENT OF THE BOILER. C. THE MECHANICAL ROOM MUST BE LOCATED IN THE BASEMENT. D. ALL OF THE ABOVE.

53. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS SAMPLE QUESTIONS WHICH OF THE FOLLOWING STATEMENTS ABOUT MECHANICAL ROOMS IS INCORRECT? A. AN INTAKE GRILLE IS REQUIRED FOR COMBUSTION AIR. B. A DOOR OR A REMOVABLE PANEL IS REQUIRED FOR REMOVAL & REPLACEMENT OF THE BOILER. C. THE MECHANICAL ROOM MUST BE LOCATED IN THE BASEMENT. D. ALL OF THE ABOVE.

54. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS SAMPLE QUESTIONS WHICH OF THE FOLLOWING STATEMENTS ABOUT COOLING TOWERS IS INCORRECT? A. IF LOCATED ON THE GROUND, THEY SHOULD BE AT LEAST 100 FEET FROM THE BUILDING. B. THEY REQUIRE ABOUT ONE SQUARE FOOT OF PLAN AREA PER TON OF REFRIGERATION. C. THEY ARE ABOUT 4 TO 5 FEET IN HEIGHT. D. ALL OF THE ABOVE.

55. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS SAMPLE QUESTIONS WHICH OF THE FOLLOWING STATEMENTS ABOUT COOLING TOWERS IS INCORRECT? A. IF LOCATED ON THE GROUND, THEY SHOULD BE AT LEAST 100 FEET FROM THE BUILDING. B. THEY REQUIRE ABOUT ONE SQUARE FOOT OF PLAN AREA PER TON OF REFRIGERATION. C. THEY ARE ABOUT 4 TO 5 FEET IN HEIGHT. D. ALL OF THE ABOVE.

56. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS SAMPLE QUESTIONS WHICH OF THE FOLLOWING STATEMENTS ABOUT FAN ROOMS IS INCORRECT? A. THEY SHOULD BE CLOSE TO DISTRIBUTION SHAFTS. B. THEY SHOULD BE NEAR AN OUTSIDE WALL. C. MULTIPLE FAN ROOM LOCATIONS FACILITATES ZONING. D. FAN ROOMS HAVE A MAXIMUM VERTICAL REACH OF 5 STORIES.

57. SYSTEM SELECTION & SPACE REQUIREMENTS INTRODUCTION SYSTEM SELECTION SPACE REQUIREMENTS SAMPLE QUESTIONS WHICH OF THE FOLLOWING STATEMENTS ABOUT FAN ROOMS IS INCORRECT? A. THEY SHOULD BE CLOSE TO DISTRIBUTION SHAFTS. B. THEY SHOULD BE NEAR AN OUTSIDE WALL. C. MULTIPLE FAN ROOM LOCATIONS FACILITATES ZONING. D. FAN ROOMS HAVE A MAXIMUM VERTICAL REACH OF 5 STORIES.