SAPMT has reviewed the subject submittal dated June 22, 2014 and has the following comments:
1.	Buried garbage/ contaminated soils shall be removed from the entire width of the security corridor, including the IDAS zone and internal and external interface layers/ roads.
2.	IC shall excavate the areas to the depth where undisturbed soil is seen for observation by Saudi Aramco.
3.	IC proposal for excavating 300mm more after the undisturbed soil is reached is acceptable, to ensure no contact with contaminated soils.
4.	Work on excavations can start but the shop drawing shall be revised providing acceptable grain sizes and compaction requirements for the backfill materials/ layers under the foundations.
5.	The revised shop drawing shall also provide elevations after the excavation depths are finalized by Saudi Aramco.
6.	Excavation and Backfilling works shall be done according to SAES-A-114.
7.	Waste disposal and soil improvement/ reclamation shall be done according to the Environmental standards of the Kingdom with no extra costs to Saudi Aramco.
Should you have any questions, please contact Sohail Moughal, Project Engineer at Tel No. +966 2 422-4570.
