a TABLE OF CONTENTS - UNDP

1.48.2 Payment
y
No payment shall be made to the Contractor for laboratory and testing related
works.
1.49 Minimum Test Requirements & Standard Sampling Methods
1.49.1 Minimum Test Requirements
The following is the schedule of minimum requirements governing tests of
materials which shall be carried out during the execution of the Works.
_________________________________________________________________
Materials Frequency Relevant Standard
_________________________________________________________________
Water for concrete
Portland Cement
1 test for each source
and as directed by the BS 3148
Engineer thereafter.
1 bag cement for quality
testing shall be taken
from each 1700 bags or
BS 12 - O.P.C
BS 4027-S.R.C
fraction thereof for
each source or manufact- BS 4550
urer. The Engineer may
in lieu of this accept
a testing certificate.
Coarse Aggregate
Concrete
One sample for quality
testing shall be taken
BS 812
from each designated
source. After approval
one sample shall be
taken for quality testing
from each 1000 m3
when the material is
in use. On each sample
2 sets of the required
tests should be carried
out except sieve analysis
which shall be 3 in
number.
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