Flushing Sample Clauses

Flushing. 1. Prior to testing, water mains shall be cleaned and flushed to remove all sand and foreign matter. Water used for filling and cleaning shall be from an approved potable water source. Sufficient flushing water shall be introduced into the mains to produce a scouring velocity of not less than 3.5 feet per second to resuspend the solids, and this rate of flow shall be continued until the discharge is clear and no evidence of silt or foreign matter is visible. The Contractor shall dispose of all water used for flushing without causing a nuisance or property damage.
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Flushing. Water Utility shall be solely responsible for flushing water mains within its system. Flushing allowances will be provided by Seattle only when the Operating Board determines that flushing is required to maintain or improve regional water quality.
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Flushing. The main shall be flushed through a hydrant at the end of the main. If no hydrant is installed at the end of the main, the Contractor shall provide a tap large enough with a goal of achieving a velocity of 2.5 ft/sec. The gallons per minute to achieve 2.5 ft./sec velocities for different diameter pipes are provided in Table 1. Table 1 Gallons per minute required to obtain 2.5 feet per second flushing velocity Main Size (in.) Gallons per minute 8 400 12 900 16 1600 District water at no cost to the Contractor will be available to the work site for use in disinfecting and flushing mains. The Contractor shall furnish all necessary pipe and hose connections. The Contractor shall exercise care in the use of the water to prevent contamination of the existing water supply. The Contractor is responsible for providing adequate drainage during flushing and is responsible for any damage that may occur. Drainage shall be away from the main, and flooding of the trench shall be prevented. The volume of water flushed shall be measured or calculated and reported to the District Inspector. Wherever the conditions allow, the new water main shall be kept isolated from the active distribution system using a physical separation until satisfactory bacteriological testing has been completed and the disinfectant water flushed out. Water required to fill the new main for hydrostatic pressure testing, disinfection, and flushing shall be supplied through a temporary connection between the distribution system and the new main. The temporary connection shall include a double check valve assembly backflow preventer and shall be disconnected (physically separated) from the new main during the hydrostatic pressure test. It will be necessary to reestablish the temporary connection after completion of the hydrostatic pressure test to flush out the disinfectant water prior to final connection of the new main to the distribution system.
Sample 1
Flushing. Flush-all main lines before valves are installed, all laterals when rise assemblies are in place, but before sprinkler heads are installed, and all potable systems when complete. Flushing shall be done with all water diverted from any opening in the system.
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Flushing. Company Residence (State) Vendor's principal place of business is in the state of? NY
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Flushing. Flushing of the Interconnection through the valve vault and out the other parties’ adjacent hydrant shall be performed by both parties every six months. .
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Flushing. Following successful chlorination by the contractor the water main shall be flushed for a minimum of 24 hours before a safe water sample will be taken.
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Related to Flushing

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