Nortec NHPC, NHTC manual 10-10, Page 24

Table 7. Design Indoor Conditions For Various Places, Products and Processes (cont)

		Temperature			Relative
Product and/or Process					Humidity
					%RH
		°F		°C
Clean Rooms – Computer Rooms
Computer Room	70	– 80	21	– 27	40 – 60
Clean Room – General	70	– 74	21	– 23	40 – 60
Clean Room – Critical	71.5	– 72.5	22 – 22.5		43 – 47
Distilling
Grain Storage		60		16	35 – 40
General Manufacturing	0	– 75	16	– 24	45 – 60
Aging	65	– 72	18	– 22	50 – 60
Electrical Products		72		22	15
Coil and Transformer Winding
X-ray Tube Assembly		68		20	40
Instruments Manufacture and Laboratory		70		21	50 – 55
Thermostat and Humidistat Assembly and Calibration		76		24	50 – 55
Close Tolerance Assembly		72		22	40 – 45
Meter Assembly and Test		76		24	60 – 63
Fuse and Cutout Assembly, Capacitor Winding and Paper Storage		73		23	50
Conductor Wrapping with Yarn		75		24	65 – 70
Lightning Arrestor Assembly		68		20	20 – 40
Thermal Circuit Breaker Assembly and Test Water Wheel Generators		76		24	30 – 60
Thrust		70		21	30 – 50
Runner Hopping
Processing Selenium and Copper Oxide Plates		74		23	30 – 40
Fruit Storage	30	– 40	-1– 4
Apples					90
Apricots	31	– 32	-1 – 0		90 – 95
Grapefruits (California)	58	– 60	14	– 16	85 – 90
Grapefruits (Florida)		50		10	85 – 90
Grapes (Eastern)	31	– 32	-1 – 0		85
Grapes (Western)	30	– 31		-1	90 – 95
Lemons	58	– 60	14	– 16	86 – 88
Oranges (California)	40	– 44	4	– 7	85 – 90
Oranges (Florida)	32	– 34	0	– 1	85 – 90
Peaches and Nectarines		31		-1	90
Plums	30	– 32	-1 – 0		90 – 95
Specialty Citrus Fruit	38	– 40	3	– 4	90 – 95
Fur Storage	40	– 50	4 – 10		55 – 65
Gum
Manufacture		77		25	33
Rolling		68		20	63
Stripping		72		22	53
Breaking		74		23	47
Wrapping		74		23	58
Hospitals
Operating, Cystoscopic and Fracture Rooms	68	– 76	20	– 24	50
Patient Rooms		75		24	40 – 50
Intensive Care Unit		75		24	40
Administrative and Service Areas	70	– 80	21	– 27	30 – 50
Leather
Drying	70	– 120	21	– 49	75
Storage, Winter Room Temperature	50	– 60	10	– 16	40 – 60
Lenses (Optical)
Fusing		75		27	45
Grinding		80		27	80

10-10

Page 24 2008-10-01