Chicago's yearly precipitation comes in at an average of about 36 inches (910 mm), but during the summer, rain arises from short-lived hit-or-miss rain rather than actual prolonged rainfalls, and thunderstorms also occur with regularity at night. In a normal summer, temperatures exceed 90 Â°F (32 Â°C) on 23 days.
You might have heard someone mention flue spaces for rack storage, and wondered what flue spaces are and why they are needed. Flue spaces are clear lines of sight from the floor up to the ceiling within rack storage areas. There are two types of flue spaces - transverse flues and longitudinal flues.
Description: Double 30 I.D. flume slide, one 90Â° curve, one straight. Centerline Run: 29' 6 and 22' 11 Entry Height: 10' 6 Platform Size: 4' x 4' Deck Space Requirement: 22' 3 x 26' 2 â Space requirements may vary with options chosen. 30 Inside diameter polyethylene flumes; 14-20 gpm water flow (each flume) recommended; 8 to 40 gpm required.