Laserfiche WebLink
Work Plan <br />Cleaning Operation <br />Houston & Harris utilizes Vactor Combination Cleaning trucks. In addition to one <br />Vactor unit assigned to this project on a daily basis, five additional Vactor units are <br />available. Being thoroughly familiar with the area, city procedures and protocol required, <br />reduces lost production. Might work has been factored into the proposal to account for <br />both high traffic and flow. <br />i <br />The following procedures will be followed on a daily basis: <br />After reviewing the maps to determine the start location, the operator will fill the Vactor <br />tank with water from a hydrant utilizing the city supplied water meter, for hydro - flushing <br />Purposes. This Procedure will occur throughout the day. The operator then assesses <br />manhole locations ensuring the safest Position of the vehicle prior to setting up to begin <br />the washing process. Included in this set -up procedure are assurances of traffic cones <br />around work area and equipment as well as the use. of gas detector meter readings <br />indicating safe removal of manhole lids. Traffic control will be provided when necessary. <br />Once the location is deemed safe, the manhole lid is removed. The appropriate cleaning <br />nozzle for the task is chosen and attached to the Vactor hose. The operator starts on the <br />downstream manhole and runs the nozzle to the upstrmm <br />as the hose is pulled back. When necessary, anhole to hydro -flush the line <br />sary in addition to <br />Process is applied to the line. the hydro-flushing, a vacuum <br />After the hydro - flushing process is complete, the operator replaces the manhole cover <br />back on the manhole and safely moves to the next location. Documentation is validated <br />by the operator utilizing a city supplied dated <br />scantron sheet that includes details such li li <br />material <br />particular in line segment, the line, type of nozzle used, and how many passes were needed on a <br />This Process's repeated for each line segment. <br />Video Inspection Operations <br />Houston & Harris utilizes RST video inspection equipment. In addition to one Video <br />Inspection unit assigned to this project on a daily basis, three additional Video Inspection <br />units are available. <br />The following procedures will be followed on a daily basis: <br />After reviewing the maps to determine the start location, the operator assesses manhole <br />locations to ensure the safest positioning of the vehicle, and sets -up to begin the video <br />Process. Traffic control will be Provided when necessary. Included in set -up procedures <br />are assurances of traffic cones around work area and equipment and use of gas detector <br />25A -11 <br />