00340.00 290 Section 00340 - Watering Description
00340.00 Scope - This Work consists of furnishing and applying water or combinations of water and
Additives for: • Compacting and preparing Roadbed excavations, Roadbed embankments, backfills, Subgrades, Subbases, Bases and Surfacings. • Preventing or alleviating dust nuisance originating within the H ighway Right -of-Way and the Project limits, which is not caused by the Contractor 's operations at the Contractor's plants or plant setups. • Other watering when ordered.
00340.01 Definitions :
Additives - Emulsified Asphalt, magnesium chloride or other Material s added to water for the purpose of Aggregate binder or dust control. 00340. 02 Exclusions - Watering that is specified as Incidental and included in payment for other items or parts of Work is excluded from measurement under this Section. Materials
00340.10 Water - Furnish water free of silts and other matter harmful to the quality of the M aterial to
which it is applied or with which it is mixed. Comply with Chapter 537 of the Oregon Water Laws , which is administered by the Water Resources Department, covering the appropriation of water. Most adjudicated water may be limited to agricultural uses, so it should not be assumed that there will be any water sources in the immediate area of the Project available for the Contractor's use.
00340.11 Water Mixtures:
a.Use of Additives - When called for by the Special Prov isions, or ordered, perform watering with a mixture of water and Additives. Use an additive from the QPL and mix according to the manufacturer's recommendations.
b.Magnesium Chloride - When required, furnish Magnesium Chloride (MgCl
2.in brine solution at 28 to 35 percent concentration by weight. Equipment
00340.20 Watering Equipment - Perform uniform and controlled application of watering by one or
more of the following methods: • Tank trucks equipped with spray bars • Hose and nozzle • Wetting materials in stockpile or in excavation areas before excavating • Other means, as directed The use of splash boards is not allowed without prior approval. When required, provide a metering device for water measurement. 00340.90 Construction
00340.40 Watering :
a.General - Make all necessary arrangements to obtain water and pay all costs involved in its procurement. Maintain an adequate supply of water at all times. Perform watering only when and where directed at an approved rate and manner of application. Water at any hour of the Day , and on any Day of the week, as directed, for proper performance or protection of the Work and for alleviation of dust nuisance.
b.Use of Additives - If an additive is combined with water in the watering Work , mix it in the proportions and manner specified, and use in the Work as directed. Maintenance
00340.60 Avoidance of Detrimental Operations - Avoid wasting water or watering detrimental to
other Work . Cease such operations until corrective measures are directed. Measurement
00340.80 Measurement - The quantities of water will be determined by the following methods:
• Weight or volume, or both • In tanks or tank trucks of predetermined capacity • By approved meters Measurement will be M -gallons (1,000 gallons = 1 M -gallon) not including the Additives used in the watering as specified or ordered. For conversion purposes, water weighs 8.34 pounds per gallon or 62.4 pounds per cubic foot. Only quantities acceptably used in the Work , as specified, will be measured. Quantities of Additives combi ned with water for watering purposes will be determined separately from the water and will be measured on the volume basis in gallons. Payment
00340.90 Payment - The accepted quantities of water and Additives will be paid for at the Contract
unit price, per unit of measurement, for the following items: Pay Item Unit of Measurement
a.Watering ............................................................................................. M-Gallon
b.____ in Watering .................................................................................. Gallon Item (a) includes furnishing and developing the water supply, hauling and applying the water. In item (b), the name of the additive will be inserted in the blank. Item (b) includes furnishing the specified additive, for combining and mixing it with the water, and for all extra costs involved in the use of the additive in the watering Work not included in item (a). 00340.91 292 Payme nt will be payment in full for furnishing and placing all Material s, and for furnishing all Equipment , labor, and Incidental s necessary to complete the Work as specified. No separate or additional payment will be made for obtaining permits, water rights, or any other costs related to complying with the Oregon Water Laws . When the Contract Schedule of Items does not indicate payment for Work performed under this Section, no separate or additional payment will be made. Payment will be included in payment made for the appropriate items under which this Work is required.
00340.91 Quantity Variations - Payment for watering items performed beyond 25 percent of the
quantity shown in the Contract Schedule of Items will be made at the Contract unit price if the Engineer determines that the Contract unit price does not exceed the value of the Work according t o Section 00197. If the Engineer determines that the Contract unit price exceeds the value of the Work , payment for the Additional Work will be made according to 00195.20.
Watering in other states
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Source: Oregon Standard Specifications for Construction, 2024 Edition. Pages 356–358 of 1,268. View official source ↗