805.09 MEASUREMENT FOR PAYMENT

805.09.01 805.09.01.01

Actual Measurement

• Light-Duty Sediment Barriers
• Light-Duty Straw Bale Barriers
• Light-Duty Fibre Roll Barriers
• Heavy-Duty Wire-Backed Silt Fence Barriers
• Berm Barriers
• Sandbag Barriers
• Fibre Roll Grade Breaks

Measurement shall be the length in lineal metres from end to end of the barrier constructed, maintained, and removed, following the contours of the ground.

805.09.01.02

• Straw Bale Flow Check Dams
• Fibre Roll Flow Check Dams
• Sandbag Flow Check Dams
• Rock Flow Check Dams

For measurement purposes, a count shall be made of the flow check dams constructed, maintained, and removed.

805.09.01.03

• Slope Drains
• Diversion Ditches
• Sediment Traps for Dewatering
• Filter Bags

For measurement purposes, a count shall be made of the number of sediment traps, slope drains, diversion ditches, sediment traps for dewatering and filter bags constructed or installed, maintained, and removed. Component parts shall not be counted separately for payment.

805.09.01.04 Turbidity Curtains

Measurement of turbidity curtain shall be made in lineal metres along its length from end to end between tie-downs for each turbidity curtain installed, maintained, and removed.

805.09.01.05 Cofferdams

For measurement purposes, a count shall be made of the number of cofferdams constructed, maintained, and removed.

805.09.01.06 Sediment Removal

Measurement shall be as specified in the Contract Documents by the volume of sediment excavated in cubic meters or by the number of hours required for excavation of sediment.

805.09.02

Plan Quantity Measurement

When measurement is by Plan Quantity, such measurement shall be based on the units shown in the clauses under Actual Measurement.