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According to the American Water Works Association (AWWA) standards for disinfecting water mains, ... Before determining which method to use for disinfection, consult AWWA Standard C651-92, AWWA Standard for Disinfecting Water Mains, ...
Date added: December 28, 2011 - Views: 423
Prepared by AWWA with assistance from Economic and Engineering Services, Inc. 1 New or Repaired Water Mains 1.0 General Discussion of Topic The construction, rehabilitation, and repair of water mains are extremely common activities that
Date added: December 23, 2011 - Views: 73
DISINFECTION OF WATER DISTRIBUTION SYSTEMS PART 1 GENERAL 2.1 SECTION INCLUDES A. Procedures for disinfecting new and repaired water distribution systems. All ... A. American Water Works Association, AWWA C651, AWWA Standard for Disinfecting Water Mains.
Date added: June 29, 2012 - Views: 83
12 AWWA C651-05 4. Direct-feed chlorinators, which operate solely from gas pressure in the chlorine cylinder, shall not be used for the application of liquid chlorine. (The danger of using direct-feed chlorinators is that water pressure in the main can exceed gas pressure in the ...
Date added: June 9, 2014 - Views: 6
AWWA C651 (2005; Errata 2005) Standard for Disinfecting Water Mains AWWA C700 (2002; R 2003) Standard for Cold Water Meters - Displacement Type, Bronze Main Case AWWA C701 (2007) Standard for Cold-Water Meters - Turbine Type for Customer Service
Date added: June 11, 2012 - Views: 221
1.05 RELATED WORK A ... Disinfecting Pipelines Revised June 2013 33 01 10.15-2 1.06 REFERENCES A. Refer to current AWWA Standard C651 for Disinfecting Water Mains. ... A. Methods to be used for disinfection are those detailed in ANSI/AWWA C651 Disinfecting Water Mains.
Date added: December 6, 2012 - Views: 39
FIELD CHLORINATION • AWWA/ANSI C651-05 – Disinfecting Water Mains • First standard approved Sept. 30, 1947 • Latest revision June 1, 2005
Date added: August 19, 2013 - Views: 16
AWWA C651 Disinfecting Water Main AWWA C652 Tank Disinfection ... Disinfection of water storage facilities shall be done in accordance with AWWA – C652. 3.05 DISCHARGE OF CHLORINATED WATER A. Indiscriminate onsite disposal or discharge to sewer systems, storm drains, drainage
Date added: August 6, 2013 - Views: 23
AWWA Standard C651-05 Disinfection of Water Mains (2005). 4. Ohio EPA Policy for Evaluating and Responding to Water Distribution Systems and Subsystems that have Depressurized (2007). Page 2 of 3 V. POLICY Note: The ...
Date added: October 5, 2012 - Views: 57
fected a water main according to AWWA Standard C651-05. The city was com-plaining because he used a method that was against city regulations. After some research, I found that the contractor used the tablet method of disinfection.
Date added: June 30, 2014 - Views: 1
ANSI/AWWA C651 - Standards for Disinfecting Water Mains ASTM C31- Method of Making and Curing Concrete Compression and Flexure Test Specimens ... 660-06M.doc 3 of 14 Last Revised 1-05 MJ rubber gasket per ANSI/AWWA C111. Restraint (gripper) ...
Date added: February 21, 2012 - Views: 166
CHLORINATION AND DECHLORINATION . PART 1 . GENERAL . 1.1 DESCRIPTION . ... C. Use continuous feed method or tablet method for chlorination following AWWA C651 . for disinfecting water mains, except section 18.104.22.168 ... 0.05 : 0.06 . 0.11 : 0.16 . 0.22 : 0.28 . 0.33 : 0.38 . 2 . 0.01 . 0.02 : 0.03 ...
Date added: October 3, 2012 - Views: 13
the latest ANSI/AWWA Standard for Disinfecting Water Mains C651-05, which covers both the disinfection of new water mains and repairs of existing water mains. However, copies of the standard must be purchased.
Date added: September 8, 2012 - Views: 14
When a water main break causes pressure to drop below 20 psi, you should: 1. Repair, disinfect, and flush the water main in accordance with AWWA Standard C651-05, Disinfecting Water Mains, as required by rule 3745-83-01 of the Ohio Administrative Code. 2. Consider issuing a water use advisory.
Date added: December 4, 2011 - Views: 32
SECTION 2620 - WATER MAIN DISINFECTION PART 1 - GENERAL 1.1 SCOPE OF WORK: ... Disposal of chlorinated water shall be in accordance with AWWA C651-05 and all federal, state, and local requirements. C.
Date added: July 2, 2012 - Views: 29
Procedures for New Watermains 5/7/2007 STANDARD (A) …continued 3. Swabbing (AWWA C651-05 Sec. 4.3.6) Request for Isolation Valve Operation is required for the swabbing procedure.
Date added: March 26, 2012 - Views: 3
ANSI/AWWA C651, Disinfecting Water Mains. 11. AWWA M23, PVC Pipe - Design and Installation. 12. AWWA M41, Ductile-Iron Pipe and Fittings. 13 ... Section 31 23 05, Excavation and Fill, as applicable. 2. Where Engineer deems existing bedding material unsuitable, remove and
Date added: December 14, 2013 - Views: 1
requirements of ANSI/AWWA C651-05 using the Continuous Feed Method, except as specified otherwise herein. c. The chlorine compound used for disinfection shall be calcium hydrochlorite in granular form. The calcium hydrochlorite must contain a minimum of 65 percent available ...
Date added: June 5, 2013 - Views: 12
A. Sterilization of all pipes, fittings, valves, and hydrants. ... A. AWWA C651 - Disinfecting Water Mains. B. County and PA DEP Regulations. C. DEP Water Supply Manual. 1.04 STERILIZATION A. ... 3.05 TOTAL COLIFORM TESTING
Date added: August 19, 2013 - Views: 4
AWWA C651 and these specifications. Disinfection requirements shall include preventive and ... chlorinated water. 25-3.05 Bacteriological Samples. Upon completion of the disinfection process, water samples shall be tested for bacteriological
Date added: April 8, 2013 - Views: 22
American Water Works Association standard for disinfection – AWWA C651-05, as amended and supplemented. While water main breaks are unplanned events, the NJDEP does not consider all water main breaks to be reportable incidents.
Date added: October 20, 2014 - Views: 1
Preliminary flushing of pipe required by AWWA C651 before chlorination is optional if interior is broom swept or in clean condition, as determined by Contractor. 02511-3 July 2005 ... 6 0.02 0.03 0.033 0.038 0.04 0.05 0.06 0.11 0.16 0.22 0.28 0.33 0.38
Date added: March 26, 2012 - Views: 10
C651-92” to “Section 4 of AWWA C651-05”. 5-13, 5-14 & 5-15 Reformatted pages due to language added on page 5-12. 5-16 Under 4. Method of Chlorine Application and Testing – added
Date added: May 8, 2013 - Views: 7
D. ANSI/AWWA C600 - Standard for Ductile Iron Pipe Installation, Testing. E. ANSI/AWWA C651 - Standard for Disinfecting Water Mains. F. ANSI/AWWA C900 - Standard for PVC Pipe, 4"-12" for Water Distribution. 1.4 SUBMITTALS
Date added: October 10, 2011 - Views: 272
ANSI/AWWA Standard C651-05. D. When a subcontractor performs the disinfection procedure, it is the joint responsibility of both the General Contractor and designated subcontractor to comply with this procedure. 3.02 Specific Program Components
Date added: January 17, 2014 - Views: 1
☐ ANSI/AWWA C651-05 AWWA Standard for Disinfecting Water Mains Two consecutive sample sets (each 1200 feet, end-of-line, each branch, etc.), none positive, at least 24 hours apart ☐ ANSI/AWWA C652-02 AWWA Standard for Disinfection of Water-Storage Facilities
Date added: July 31, 2014 - Views: 1
www.awwa.org – AWWA C651-05 Disinfection Water Mains; Webcast – “Advanced Disinfection of Pipelines and Storage Facilities” http://awunet.austinwater.com/home/index.cfm - Austin Water Web page Disinfection plans to be added under “CoA/AWU Construction Standard
Date added: March 8, 2012 - Views: 15
3.05 PRESSURE AND LEAK TESTING A. Remove debris from within the pipe. Clean and swab out pipe, if required. ... Test water mains according to AWWA C651, including collection of two consecutive sets of acceptable bacteria samples 24 hours apart.
Date added: January 10, 2014 - Views: 8
AWWA C-651, Disinfecting Water Mains, ... Sub-section 5.2 of AWWA C-651-05 except as may be modified by the Engineer. ... existing water main, hydrant or other source to any unapproved contractor installed water main regardless of size.
Date added: April 2, 2012 - Views: 16
1.05 SUBMITTALS A written disinfection and dechlorination plan, including all methods and equipment to be used, ... with a liquid chlorine solution in accordance with AWWA C651 and as specified herein. Upon connection to the main, ...
Date added: September 8, 2012 - Views: 13
POLICY: Public water suppliers and Department of Environmental Protection (DEP) ... water suppliers shall adhere to the American Water Works Association (AWWA) ... including ANSI/AWWA Standard C651-05 - Disinfecting Water Mains. AWWA Standards are copyrighted materials. To place an order, ...
Date added: February 27, 2012 - Views: 17
AWWA Standard C504. Butterfly valve shall be manufactured by Henry Pratt Company, or equal. ... Mains, ANSI/AWWA C651-05. The City of Wilmington, Delaware Department of Public Works Standard Specifications Rev. 022010 Page 4 of 4
Date added: November 8, 2012 - Views: 24
American Water Works Association (AWWA) AWWA C104 Cement-Mortar Lining for Ductile- Iron Pipe and Fittings ... AWWA C651 Disinfecting Water Mains 1.05 SUBMITTALS: IN ACCORDANCE WITH REQUIREMENTS OF GENERAL SPECIFICATIONS, ...
Date added: September 16, 2013 - Views: 5
AWWA C651 - Disinfection Water Mains ... W1.05 MATERIALS A. Ductile iron pipe shall conform to AWWA C151, ... B. American Water Works Association (AWWA) 1. AWWA C500 - Gate Valves, three (3)-inch through 48-inch NPS, for Water and Sewage
Date added: May 9, 2013 - Views: 22
3.1 DISINFECTION AND SAMPLING (Reference AWWA C651 for further details.) A. The basic disinfection procedure consists of the following steps: ... 10 0.034 0.171 0.341 1.023 0.41 2.05 4.09 12.27 0.050 0.25 0.50 1.51 12 0.0 0.2 0.5 1 ...
Date added: May 22, 2013 - Views: 6
1.05 SUBMITTALS A. Quality Assurance / Control Submittals 1. ... PART 2 A– PRODUCTS FOR 3 INCH AND SMALLER PIPE PER AWWA C901 2A.01 PIPE B. ... AWWA C651 and AWWA Manual of Practice M55 Chapter 10, and PPI Handbook of
Date added: January 11, 2012 - Views: 121
3 SAMPLE SPECIFICATIONS (Current ANSI/AWWA revisions apply) Mechanical joint watermain fittings with accessories, 2" through *64" shall be manufactured from ductile iron in
Date added: July 9, 2013 - Views: 1
Watermain Testing Requirements . Town of Newmarket Design Standards and Criteria APPENDIX 7 7-1 Last update: Jan-09 ... Water (AWWA C651.05 Section 4.5; OPSS 701.07.25) All work is to be performed by the designated Workforce.
Date added: January 12, 2014 - Views: 5
Methods to be used for disinfection are those detailed in ANSI/AWWA C651 Disinfecting Water Mains. .03 WATER MAINS . Three (3) ... .05 BACTERIOLOGICAL TESTING . A. After final flushing and before the water main is placed in service, ...
Date added: July 16, 2012 - Views: 15
H. AWWA C651 Disinfecting Water Mains. I. AWWA C900 Poly (vinyl Chloride) ... Standard C5256-63, and be approved by the National Sanitation Foundation. ... 3.05 BACKFILLING OF TRENCH 02510-11 Revised May 2008 .
Date added: March 24, 2012 - Views: 15
AWWA C651 - Disinfecting Water Mains . 1.03 RELATED WORK SPECIFIED ELSEWHERE. AWWA Standard Methods for the Examination of Water and Waste Water . NMWD Standard Specifications 15000, 15044, 15056, ... 3.05 BACTERIOLOGICAL TESTING.
Date added: May 31, 2012 - Views: 11
Certified City/Region Operators will take chlorine residual and bacteriological samples as per AWWA C651-05. It will be the Contractor’s responsibility to provide the Contract
Date added: September 19, 2014 - Views: 1
A. AWWA Standards C651, C652 and C659. 1.04 QUALITY ASSURANCE A. Regulatory Agency Requirements: Comply with applicable state requirements. 1.05 SUBMITTALS A. Disinfection Program; submit the following to be used during the program: 1. Cleaning ...
Date added: August 1, 2013 - Views: 16
05-062/03-10 (Water Distribution Systems) 02660-1 SECTION 02660 WATER DISTRIBUTION SYSTEMS PART 1 GENERAL 1.01 SUMMARY ... AWWA C651, Standard for Disinfecting Water Mains. 1.04 DELIVERY, STORAGE, AND HANDLING
Date added: August 8, 2013 - Views: 5
C651 AWWA Standard for Disinfecting Water Mains 2. C652 AWWA Standard for Disinfecting Tanks 3. ... 1.05 QUALITY ASSURANCE A. Laboratory testing related to disinfection and VOC testing will be performed by and paid for by the City.
Date added: November 10, 2013 - Views: 1
Disinfecting Water Mains AWWA C651 2. Hypochlorites AWWA B300 3. Liquid Chlorine AWWA B301 1.03 SUBMITTALS A. Test Reports 1. The Contractor shall submit disinfection reports which include the following information: ... 3.05 POINT OF APPLICATION A.
Date added: January 8, 2014 - Views: 4
For further information please refer ANSI/AWWA C651-99 “Disinfecting Water Mains” for more information. 4 CHLORINE ... 50 19.05 367.2 187.8 126.4 Note: Amounts of sodium hypochlorite are based on concentration of available chlorine by
Date added: August 19, 2013 - Views: 3
calcium carbonate saturation and can be useful to mitigate iron release and red water problems ... Reference: AWWA Standard #C651-05, "AWWA Standard for Disinfecting Water Mains" Water Main Repair - 10 Steps to Prevent Contamination
Date added: June 7, 2012 - Views: 3
SECTION 22 10 05 PLUMBING PIPING PAGE 1 of 24 SECTION 22 10 05 PLUMBING PIPING 1 GENERAL ... Y. AWWA C651 - Disinfecting Water Mains; American Water Works Association; 2005 (ANSI/AWWA C651).
Date added: February 24, 2014 - Views: 1
After chlorination, the water shall be flushed from the line, in accordance with AWWA C651, at its extremities until the replacement water tests are equal chemically and bacteriologically to those of the permanent source of supply.
Date added: September 25, 2013 - Views: 6