Recommended Standards for Water Works - 2012
2012 Edition
Recommended Standards for Water Works
Great Lakes ? Upper Mississippi River Board of State and Provincial Public Health and Environmental Managers
Illinois Indiana Iowa Michigan Minnesota Missouri New York Ohio Ontario Pennsylvania Wisconsin -i-
Blank Back of Cover
-ii-
Recommended Standards
For Water Works
2012 Edition
Policies for the Review and Approval of Plans and Specifications for Public Water Supplies
A Report of the Water Supply Committee of the Great Lakes--Upper Mississippi River Board
of State and Provincial Public Health and Environmental Managers MEMBER STATES AND PROVINCE
Illinois Indiana Iowa Michigan Minnesota Missouri New York Ohio Ontario Pennsylvania Wisconsin
Published by: Health Research Inc., Health Education Services Division, P.O. Box 7126, Albany, NY 12224
(518)439-7286
Copyright ? 2012 by the Great Lakes - Upper Mississippi River Board of State and Provincial Public Health and Environmental Managers
This book, or portions thereof, may be reproduced without permission from the author if proper credit is given.
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TABLE OF CONTENTS
FOREWORD POLICY STATEMENT ON PRE-ENGINEERED WATER TREATMENT PLANTS POLICY STATEMENT ON AUTOMATED/UNATTENDED OPERATION
OF SURFACE WATER TREATMENT PLANTS POLICY STATEMENT ON BAG AND CARTRIDGE FILTERS FOR
PUBLIC WATER SUPPLIES POLICY STATEMENT ON ULTRA VIOLET LIGHT
FOR TREATMENT OF PUBLIC WATER SUPPLIES POLICY STATEMENT ON INFRASTRUCTURE SECURITY FOR PUBLIC WATER
SUPPLIES POLICY STATEMENT ON ARSENIC REMOVAL POLICY STATEMENT ON DESIGN CONSIDERATIONS FOR THE OPTIMIZATION
OF RAPID RATE FILTRATION AT SURFACE WATER TREATMENT PLANTS INTERIM STANDARD - USE OF CHLORAMINE DISINFECTANT
FOR PUBLIC WATER SUPPLIES INTERIM STANDARD ON MEMBRANE TECHNOLOGIES
FOR PUBLIC WATER SUPPLIES
PART 1 - SUBMISSION OF PLANS 1.0 GENERAL 1.1 ENGINEER'S REPORT
1.1.1 General Information 1.1.2 Extent of water works system 1.1.3 Justification of project 1.1.4 Soil, groundwater conditions, and foundation problems 1.1.5 Water use data 1.1.6 Flow requirements 1.1.7 Sources of water supply 1.1.8 Proposed treatment processes 1.1.9 Sewerage system available 1.1.10 Waste disposal 1.1.11 Automation 1.1.12 Project sites 1.1.13 Financing 1.1.14 Future extensions 1.1.15 Technical, Managerial, and Financial Capacity 1.2 PLANS 1.2.1 General layout 1.2.2 Detailed plans 1.3 SPECIFICATIONS 1.4 DESIGN CRITERIA 1.5 REVISIONS TO APPROVED PLANS 1.6 ADDITIONAL INFORMATION REQUIRED
PART 2 - GENERAL DESIGN CONSIDERATIONS 2.0 GENERAL 2.1 DESIGN BASIS 2.2 PLANT LAYOUT 2.3 BUILDING LAYOUT 2.4 LOCATION OF STRUCTURES 2.5 ELECTRICAL CONTROLS
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xi xiii
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1 1 2 2 2 2 2 3 3 4 4 4 4 4 5 5 5 5 5 6 7 7 8 8
9 9 9 9 10 10
2.6 STANDBY POWER
10
2.7 SHOP SPACE AND STORAGE
10
2.8 LABORATORY FACILITIES
10
2.8.1 Testing equipment
10
2.8.2 Physical facilities
11
2.9 MONITORING EQUIPMENT
11
2.10 SAMPLE TAPS
11
2.11 FACILITY WATER SUPPLY
12
2.12 WALL CASTINGS
12
2.13 METERS
12
2.14 PIPING COLOR CODE
12
2.15 DISINFECTION
13
2.16 OPERATION AND MAINTENANCE MANUAL
13
2.17 OPERATOR INSTRUCTION
13
2.18 SAFETY
13
2.19 SECURITY
13
2.20 FLOOD PROTECTION
14
2.21 CHEMICALS AND WATER CONTACT MATERIALS
14
2.22 OTHER CONSIDERATIONS
14
PART 3 - SOURCE DEVELOPMENT
3.0 GENERAL
15
3.1 SURFACE WATER
15
3.1.1 Quantity
15
3.1.2 Quality
15
3.1.3 Minimum treatment
16
3.1.4 Structures
16
3.1.5 Zebra Mussel Control
17
3.1.6 Impoundments and reservoirs
18
3.1.7 Security
18
3.2 GROUNDWATER
18
3.2.1 Quantity
18
3.2.2 Quality
19
3.2.3 Location
19
3.2.4 General well construction
20
3.2.5 Testing and records
25
3.2.6 Aquifer types and construction methods - Special conditions
26
3.2.7 Well pumps, discharge piping and appurtenances
28
PART 4 - TREATMENT
4.0 GENERAL
33
4.1 MICROSCREENING
33
4.1.1 Design
33
4.2 CLARIFICATION
33
4.2.1 Presedimentation
34
4.2.2 Coagulation
34
4.2.3 Flocculation
35
4.2.4 Sedimentation
35
4.2.5 Solids contact unit
37
4.2.6 Tube or plate settlers
39
4.2.7 High rate clarification processes
40
4.3 FILTRATION
40
4.3.1 Rapid rate gravity filters
41
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