MINISTER OF DEFENCE (SHRI A.K. ANTONY)
(a) Border Roads Organisation (BRO) in execution of works normally encounters three
type strata: Hard Rock (HR), Soft Rock (SR) and Soil Mixed with Boulder (SMB).
Rubbles out of SR and SMB strata are disposed off as per the ground condition and
are used for formation filling. When hard rock strata is encountered the material
is retrieved and after carrying out the required technical tests is utilized in
construction activity like permanent works and surfacing works. Value of useless
rubbles is not assessed in the estimates but quantities are assessed in estimates
of individual jobs.
(b) Yes, Madam. The requirement of stones which are not met from the retrieved
stones are procured from local contractors.
(c) & (d): There is no loss to exchequer, as the hard rock that is retrieved is
utilized in the road construction activity to the extent possible.