# 978-0131190825 Chapter 8

Document Type
Homework Help
Book Title
Basic Environmental Technology: Water Supply-- Waste Management & Pollution Control 5th Edition
Authors
Jerry A. Nathanson M.S. P.E.
CHAPTER 8 SANITARY SEWER SYSTEMS
Review Question Page References
(1) 221 (7) 225 (13) 230
(2) 222 (8) 227 (14) 230
(3) 223 (9) 227 (15) 233
(4) 223 (10) 227 (16) 236
(5) 223 (11) 229 (17) 236
(6) 223 (18) 236
(19) 240 (25) 249
(20) 241 (26) www.envirosources.com
(21) 242
(22) 242
(23) 243
(12) 229 (24) www.paris.org/kiosque/mar97/egouts.html
Solutions to Practice Problems
1. 250 ac x 12 people/ac x 100 gal/person/d = 300,000 gpd (average)
3. Slope = (305.55 - 303.05)/100 = 0.025 = 2.5 percent
4. Reach 1: S = (350.00 - 347.87)/100 = 0.0213
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5. W = C x w x B2 (Equation 8-4)
6. H = 3 - 0.2 = 2.8; H/B = 2.8/0.9 = 3.1; From Figure 8.18, C= 1.9
7. crushing strength (extra) = 32.0 kN/m
8. allowable Infiltration = 45 L/d/mm/km x 0.75 km x 600 mm x
9. area = π x 42/4 = 12.6 ft2
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