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
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
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
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 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
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
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
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: 38
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
American Water Works Association The Authoritative Resource on Safe Water' 6666 West Quincy Avenue Denver. CO 80235-3098 T 800.926.7337 www.awwa.org ANSI/AWWA C651-05 (Revision of ANSI/AWWA C651-99) AWWA Standard Disinfecting
Date added: September 19, 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
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
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
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
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 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
AWWA C652 Disinfection of Water Storage Facilities. ... A. American Water Works Association, AWWA C651, AWWA Standard for Disinfecting Water Mains. Powered by TCPDF (www.tcpdf.org) 2 / 2. ... 6/24/2014 2:05:37 PM ...
Date added: August 1, 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
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
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
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
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
☐ 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
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
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 188.8.131.52 ... 0.05 : 0.20 . 0.06 : 0.30 . 0.40 : 0.07 . 0.50 : 0.08 . 0.60 : 0.09 . 0.70 : 0 ...
Date added: October 18, 2012 - Views: 9
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
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
1.05 DELIVERY, STORAGE, AND HANDLING Follow the General Provisions (Requirements) and Covenants. ... Disinfect according to AWWA C651. The tablet method contained in AWWA C651 is not to be used unless approved by the Engineer. 2.
Date added: January 19, 2014 - Views: 3
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
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
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
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
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
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
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
AWWA (American Water Works Association) standards UPC (Uniform Plumbing Code) IBC (International Building Code) IFC (International Fire Code) WAC 246-290 Palouse City Resolution 2011-01 7.1.1 Supply The WAC ...
Date added: April 1, 2014 - Views: 1
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
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
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
.17 ANSI / AWWA C651-05 Disinfecting Water Mains. .18 ANSI / AWWA C800-05 Underground Service Line Valves and Fittings ... .2 Flush and disinfect water mains to AWWA C651 and as herein specified. Notify the HRWC 24 hours in advance of flushing and disinfection.
Date added: June 14, 2013 - Views: 6
American Water Works Association (AWWA): a. B300, Hypochlorites. b. ... A. Conform to AWWA C651 for pipes and pipelines, except as modified in these Specifications, ... 3.05 TESTING A. Collection of Samples: 1.
Date added: June 20, 2014 - Views: 1
AWWA C651 Disinfecting Water Mains 1.05 SUBMITTALS: IN ACCORDANCE WITH REQUIREMENTS OF GENERAL SPECIFICATIONS, SUBMIT THE FOLLOWING: A. Six sets of all shop drawings shall be submitted to the Engineer for review. B. Shop ...
Date added: July 30, 2013 - Views: 3
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
Will the main be disinfected per AWWA, C651-05? Yes No If No, please attach a detailed description of the disinfection method. G. Will fire hydrants and water mains at each tee, bend, and dead end be blocked or anchored per AWWA, C600-10? Yes ...
Date added: February 17, 2012 - Views: 3
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
Quality, AWWA Webcast, January 2010. Standard C651-05, Disinfecting Water Mains. Unidirectional Flushing: Enhance Water Quality and Improve Customer Rela-tions, Opflow, March 2010.
Date added: March 6, 2013 - Views: 2
pressure test in accordance with AWWA standard ANSI/AWWA C605-05. The pressure shall be maintained by restoring the test pressure whenever it falls an amount of 5 psi. ... to AWWA C651 with amounts of sufficient chlorine to produce a dosage of 40-50 ppm and a
Date added: July 6, 2013 - Views: 4
AWWA Annual Conference & Exposition Dallas, TX . Industry Standards AWWA C651-05 Disinfecting Water Mains
Date added: September 9, 2013 - Views: 1
R309-500 Plan Review, Operation and Maintenance Requirements Page 4 of 14 Construction of new facilities for public water systems or existing facilities of previously
Date added: August 29, 2014 - Views: 1