02 "T" Hangar Specs--Previous - Laserfiche WebLink

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or its equivalent in order to accurately transfer the grade to the trench or excavation. Where construction operations require the removal of the OWNER's stakes, the CONTRACTOR shall reference such points in an approved manner. If they cannot be referenced, the CONTRACTOR must obtain authorization for their removal. In the case of theix destruction or unauthorized removal, they shall be replaced by the OWNER at the CONTRACTOR's expense. The CONTRACTOR shall notify the OWNER 48 hours prior to the beginning of construction to allow the OWNER sufficient ti.me to stake the alignment . Where the starting point is an end of an existing pipe, the CONTRACTOR shall uncover the same; and the OWNER shall then provide the CONTRACTOR with grade stakes unless otherwise specified. The full responsibility for holding to alignment and grade shall rest upon the CONTRACTOR. The lines and grades shall be set by the OWNER, as the work progresses, in such a manner as to cause the least possible inconvenience in the prosecution of the work. The CONTRACTOR shall so stockpile excavation and other materials as to cause no inconvenience in the use of the lines and grades given. The CONTRACTOR shall remove any obstruction created by him contrary to this provision. If a profile is not furnished for a water main, the main shall be as constructed with a minimum cover as follows unless directed otherwise by the OWNER: 4" through 12", 4211, and other sizes as shown on the drawings. The CONTRACTOR shall keep the OWNER informed at a reasonable time in advance as to his need for line and grade. When necessary, working operations shall be suspended for such reasonable time as the OWNER may require for the establishment of the same. 83