particular specifications (road works) - CIDCO Maharashtra Ltd.

CIDCO OF MAHARASHTRA LTD
C.A.No.01/CIDCO/SE(KHR)/EE(KHR-I)/2010–11 Pg. No. 253
3.5 CONSTRUCTION METHOD:
Profiles of the section including the road side gutters to be excavated
shall be laid at suitable intervals of 10 m. (about 32.8’) to 50m.
(about 64’) or other intervals directed by the Engineer to conform to
the curved or straight alignment, section, grades and side slopes.
The lines of cuts shall be clearly marked and profiles of
embankments where excavated materials are to be used shall be set
up with the toe line marked on each side. The roadway section shall
be first excavated with vertical sides for each lift and the side slopes
for that lift shall be excavated in steps.
These steps shall be smoothened to the required slopes when the
excavation reaches the road formation. The contractor shall on no
account excavate beyond the slopes or below the specified grade
unless so directed by the Engineer in writing. If excavation is done
below the specified level or outside the section, it shall not be paid
for and the Contractor shall be required to fill up at his own cost
such extra excavation in the road portion with approved materials of
the embankment grade in layer of 15cm. to 20cm. (about 6” to 8”)
watered and fully compacted to attain maximum density laid down
for the embankment in the same agreement elsewhere. The
Engineer may require measurement ridges and dead-men to be left
at specified interval or places and kept intact till ordered to be
removed for the purpose of check measurements. The excavation
shall be finished neatly, smoothly and evenly to the correct lines,
curves, grades sections and side lopes a shown on the plans or
directed by the Engineer. The sub-grade if loose shall be scarified,
watered and compacted to the same density as the embankment.
The section, side slopes and catchwater gutters shall be maintained
by the contractor at his own cost in such a way the formation and