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`PART V - OONSTRUCTIQV AND MkTERIAL SPECIFICATIONS <br />�SECTICN 1 - CONSTRUCHON PROCEDURES <br />M <br />1. PROTECT ABSORPTIQN AREAS: Proposed drainfield absorption areas shall be identified <br />and marked off on the lot at the time of the site evaluation and prior to any <br />construction or grading occurring in the area. The drainfield area shall remain <br />undisturbed until drainfield construction is commenced. No vehicular traffic should <br />-be allowed in the drainfield area either before or after drainfield installation. <br />2. FAVORABLE MATHER REQUIRED: Drainfield absorption area or trench construction must <br />not proceed if the area is wet or has had rain within 48 hours. Once construction <br />'commences, it should proceed to completion without interruption unless rain or <br />ground moisture causes the trench sides to smear or the ground to compact under the <br />equipment. No construction shall occur in frozen ground. Rain or snow should not <br />be allowed to acevumilate on uncovered trenches. <br />3. EQUIPMENT RESTRIMONS: Equipment used for drainfield construction shall be chosen <br />to cause minimum compaction of surface soil. Tracked equipment is preferred over <br />wheeled equipment. Trenching equipment is best sized to produce the required <br />trench width in one pass to reduce smearing. Trench -side scarifying is important <br />and must be -done either with the trench -cut, -or by hand following the cut. . <br />4. INSPECTION NOTICE: The City of Orono shall be notified at least 24 hours in <br />advance of any septic system construction start, and shall also*be notified when <br />construction recommences after having been stopped for 24 hours or longer. <br />-22 <br />