163714 Product handling
163715 Protection
Use all means necessary to protect the materials of this Section before, during, and after installation.
163716 Replacements
In the event of damage, immediately make all repairs and replacements necessary to the approval of the Engineer and at no additional cost to the Investor.
16372 Products
Soil sterilizer shall be a compound of sodium chlorinate.
The base course shall be in mineral aggregate course of 50-70mm rise laid on prepared sub-base.
Asphalt surfacing materials shall be asphalt concrete consisting of a mixture of sand, mineral aggregate, and liquid asphalt mixed in such proportions that the percentage by weight will be within the following limits:
Sieve sizes Percentage passing
3/4" . 100%
3/8" 67 - 85%
1/4" 50 - 65%
No. 8 37 - 50%
No. 30 15 - 25%
No. 200 3 - 8%
Plus 50/60 penetration liquid asphalt at 5% to 6-1/2% of the combined dry aggregates.
All asphalt concrete shall be hot plant mixed.
The aggregates shall have a temperature between 135 and 160 degree centigrade when placed in the mixer. The liquid asphalt shall be heated to a temperature between 135 and 160 degree centigrade, and shall be added during mixing.
Mix the combined aggregates and liquid asphalt in a pug mill mixer. Continue the mixing for at least 45 seconds after all ingredients have been placed in the mixture, and until the liquid asphalt is distributed uniformly throughout the mixture.
The mixture shall have a temperature between 145 and 160 degree centigrade when it leaves the plant.
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