1.1.1 Pipe Subdrains
The length of pipe installed will be measured from end to end along the
centerlines without any deduction for the diameter of the manholes. Pipe
will be paid for according to the number of linear meters feet of subdrains
placed in the accepted work. Payment for bedding and filter materials,
except filter fabric, will be included in the payment for the pipe subdrain
system.
1.1.2 Blind or French Drains
Blind or french drains will be paid for by the linear meter footand
measured from end to end along the centerlines of the completed drains.
1.1.3 Manholes
Manholes to be paid for will be the number of manholes completed with base,
rungs or ladders, frames, and covers or gratings (where specified)
constructed in the accepted work.
1.1.4 Flushing and Observation Risers
Flushing and observation risers to be paid for will be the number of
flushing and observation risers completed with frames and covers (where
specified) constructed in the accepted work.
1.1.5 Filter Fabric
Filter fabric shall be measured for payment by the square [meter yard] [
meter foot] in place. Overlapped joints and seams shall be measured as a
single layer of cloth.