Volume-IF - JantERmantER

DCPL-K4A02
2.5.1 General
All materials required for the work shall be of best commercial variety and
as approved by the Engineer.
2.5.2 Borrow Material
Borrow material required for area filling shall be excavated from approved
locations and levels, and shall consist of selected material, approved by
the Engineer, free from roots, vegetations, decayed organic matter, harmful
salts and chemicals, free from lumps and clods. Clean graded sand,
free from harmful and deleterious materials from approved quarries, shall be
used as fill material at places approved during detail engineering stage.
Necessary arrangement shall be done by the Contractor at his own cost for
locating and using the borrow areas as the source of supply of filling
material.
The depth of borrow pits should be so regulated that the borrow pits do
not cut an imaginary line having a slope of 1 vertical in 4 horizontal projected
from the edge of final section of the adjacent embankment of stack of
excavated soil.
2.6.0 Quality Control
The Contractor shall establish and maintain quality control for the various
aspects of the work, method, materials and equipment used. The quality
control operation shall include but not be limited to the following items of
work :
a) Lines, Levels and Grades : i) Periodic Surveys
ii)
Establishment of markers,
Boards etc.
iii) Checking levels and slopes
of the graded surface.
b) Area filling : i) Checking the quality of fill
material
ii) Checking moisture content
of the fill.
iii) Checking the degree of
compaction.
2.6.1 Any work which fails to conform to the specifications will be subject to the
issue of a Non-conformance Report in line with the Quality Control
Procedure to be implemented at site. Corrective or remedial action, design
modifications or product rejection will be reviewed in accordance with the site
(PCA.774.S034sca) V.II-D2/S-I : 3