Metal Drain Inlets
610.1DESCRIPTION
1 This section describes the requirements for furnishing and constructing metal drain inlets.
610.2MATERIALS
1 Provide materials in accordance with the following:
Material Subsection Bolts, Nuts and Washers 815.2.1 Corrugated Aluminum Alloy Culvert Pipe 808.6 Corrugated Metal Units 808.7 Corrugated Steel Pipe and Pipe Arches 808.5 Galvanized Coating 815.14 Rubber Gaskets 808.15
610.3EQUIPMENT
1 Ensure that equipment meets the following:
Equipment Subsection Batch Plant 513.3.1 Mixers 513.3.2 Placing Equipment 513.3.3
610.4CONSTRUCTION
1 Install metal drain inlets in the completed embankment slope at specified locations or as staked by the engineer. Do not order pipe before the engineer checks pipe lengths and elbow angles in the field. Use pipe of any material specified above. Use metal inlet units.
2 Excavate a trench in the embankment slope of sufficient width for pipe and fixture installation. Install the metal drain inlet, elbows, drain pipe, and metal drain outlet and connect with coupling bands to provide a complete drainage unit. Make joints watertight by installing flat rubber gaskets at each joint.
3 After installing metal drain inlet, backfill the trench to the original slope line in accordance with Subsection 206.4.5, Backfilling. Compact backfill material to at least the density of the adjacent embankment.
Metal Drain Inlets SECTION 610
4 When stilling basins are specified or required by the engineer, use erosion control concrete in accordance with Subsection 614.4, Construction.
610.5MEASUREMENT and PAYMENT
610.5.1 General
1 The engineer will measure:
not exceed the length staked.
2 The department will pay as follows:
Pay Item
Pay Unit Measure to the Nearest Pay to the Nearest Metal Drain Inlet EA [Ea] EA [Ea] EA [Ea] Metal Drain Pipe FT [m] 0.1 ft [0.05 m] FT [0.5 m]
610.5.2 Referenced Sections for Direct Payment
1 When specified, the engineer will measure and pay for Erosion Control Concrete in accordance with Section 614, Erosion Control Concrete.
Metal Drain Inlets in other states
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