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a) Length, size, material and depth of pipe; <br />b) Root growth in pipe, if any; <br />c) Depth of flow; <br />d) Type and depth of deposition in pipe, if present; <br />e) Visible inflow/infiltration sources; <br />f) Structural condition of pipe, including joints; <br />g) Special problems and conditions in pipe; and <br />h) Results of the inspection of all mainline cleanouts. <br />1.4.4 Provide immediate notification of field conditions that could cause damage to persons or <br />property. In addition, the Consultant will inspect all manholes and mainline cleanouts in the <br />study area located or made accessible under Task 1.3. <br />1.4.5 Prepare a technical memorandum outlining the results of this task for review by the City. <br />The technical memorandum will provide tabular and graphical listings of inspected system <br />assets, location and type of defects, and system asset construction materials. The Consultant will <br />provide both hardcopy and electronic formats of this data. The Consultant will provide the <br />electronic data in Microsoft Access 2000 format. <br />1.5 TASK 4 -SMOKE TESTING <br />The Consultant will: <br />1.5.1 Complete smoke testing on the entire collection system identified during Task 2 by <br />introducing harmless smoke into the sewer system using air blowers that have a minimum rated <br />capacity of 4,000 CFM. The Consultant will conduct smoke testing under dry weather <br />conditions to allow the maximum detection of inflow and rainfall responsive infiltration sources. <br />1.5.2 Notify residences and businesses at least 24 hours prior to performing smoke testing. <br />1.5.3 During smoke testing, note the proximity of the collection system to storm sewers, creek <br />crossings, drainage paths and ponding areas. In addition, the Consultant will take digital <br />photographs of every smoke leak found and will make sketches of the leak location and <br />electronically attach the sketches to the field forms. <br />1.5.4 Collect smoke testing data in the field to include: <br />a) Upstream/downstream manhole number; <br />b) Length of sewer line; <br />c) Ground cover over line segment; <br />d) Leak location from two known reference points; <br />e) Degree of smoke observed; <br />f) Leak location relative to drainage paths/ponding areas; <br />g) Storm sewer crossings or cross connections; <br />GSWW, Ina Contract <br />4 <br />