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XX30QCXmmXJOQQOQQC Federal Development Co* #2 The above mentioned agreement provides that the construction of the H u e shall be in accordance with A*W*W.A* specifications and the workmanship, material and installation shall be subject to the approval and acceptance by a duly authorized representative of the Company* A*W*w*a* epeolfioatlona provide, among other things, that! 1 « Onless ordered by the Engineer, no blocking shall be used to support pipe* Z - Any part of the trench excavated below grade shall be refilled with thoroughly compacted approved material* 3 - The pipe shall be laid so that the barrel of the pipe will have a bearing for the full length* 4 - Selected backfill material free from rock or boulders shall be deposited in the trench simultaneously on both sides of the pipe for the full width of the trench and to an elevation of not less than 6 Inches above the top of the barrel of pipes with diameters 8 inches or less, leaving the joints exposed for examination during the pressure test* The baokfill material shall be thoroughly compacted under and an each side of the pipe to provide solid backing against the external surface of the pipe* 5 - Succeeding layers of backfill may contain coarser materials, and shall be free from brush or any other perishable or objectionable matter that would prevent proper consolidation or that might cause subsequent settlement, and shall be compacted thoroughly* 6 - flo rock or boulders shall be used in the backfill for at least one foot above the top of the pipe, and no stone larger than 8* in its greatest dimension shall be used in the backfilling*