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Posted: Wed Sep 13, 2006 5:21 pm
by mup
hi all
can anybody tell me where I can lay my hands on the "specs for highways and bridges" ....I am looking for details of the clause 803 granular subfill.
thanks in advance
Posted: Wed Sep 13, 2006 7:50 pm
by buk
From this page I found
Code: Select all
SPECIFICATION FOR HIGHWAY WORKS. CLAUSE 803, TYPE ONE SUB-BASE REQUIREMENTS.
The Particle size distribution shall comply with table 8/2
 TABLE 8/2 : Sub-base Type 1 Particle Size Distribution.
 BS sieve size.      Percentage by mass passing
  75mm               100
  37.5mm             85-100
  20mm              60-100
  10mm              40-70
  5mm              25-45
  600micron            8-22
  75micron             0-10
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