Dawn of the Replacement Era: Reinvesting in Drinking Water Infrastructure
American Water Works Association
US water utilities face a significant economic challenge. The oldest underground infrastructure (some is more than 100 years old) is at or very near the end of its expected life span and must be replaced within the next 30 years. AWWA projects expenditures of $250 billion nationwide for the replacement of worn-out pipes and related fittings
Категорії:
Рік:
2001
Видавництво:
American Water Works Association
Мова:
english
Сторінки:
52
ISBN 10:
1583215948
ISBN 13:
9781583215944
Файл:
PDF, 919 KB
IPFS:
,
english, 2001