GJN3502 Wildish Contract - Laserfiche WebLink

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Og/05/2004 FRI 16:59 FAR 541 682 6030 CITY EUGENE PVY ENG -~-~-~ wILDISH CONSTRUCTION 01005/028 from 0.50" to 2.5". The gauge shall be designed so that it will remain plumb regardless of the rotation of the mandrel or camera. Deflection testing shall be conducted and accepted prior to any paving being done. OQ 445.74 TELEVISION INSPECTION OF SANITARY AND STORM SEWERS (ADD) The video recorder shall be a VHS four head recorder. The TV inspection shat) be conducted and accepted prior to any paving being done. The City shall be allowed five (5) work days to review the tapes prior to the Contractor beginning base lift paving. The written report shall be made on the Television Report Form supplied by the City of Eugene. A supply of these forms and instructions may be obtained from the Engineer. When standing water is found during television inspectlon, halt the forward progress of the camera for a minimum of three seconds at each three foot increment through the limits of the standing water and relax the pulling cable if necessary so that the depth of the water may be measured from the mandrel water depth gauge. When standing water is found during television inspection of rigid pipe, the pipe shall be reinspected using a mandrel with water depth gauge to determine water depth. The mandrel shall comply with section 00445.73. The Contractor wilt correct all deficiencies revealed by televiewing and will notify the Engineer at the time the corrective work is being done. If in the opinion of the Engineer the extent of the deficiency is such to warrant it, the same steps used above may be repeated until all work is acceptable. (a) Television lnspection of Pvtyethylene Pipe -The camera equipment used to inspect polyethylene pipe shall meet or exceed the following requirements: 1. 420 lines horizontal resolution; 2. Scanning - 525 lines, 60 fields, 30 frames, interlace 2:1, NTSC color standard; 3. Minimum light capability of three LUX; 4. 46 decibel signal to noise ratio using an F/1.4 lens; 5. Adequate lighting to ensure true color picture and sharp image on video band widths only; 6. Picture transmission not subject to local transmitter interference; 7. No visible streaking of the low-frequency test bars when viewing a standard ETA test chart; 8. Composite video signal derived from the camera of 1.0 volts (140 IRE units) at the monitor after transmission through 2,000 feet of cable; and 9. Geometrical distortion of image less than two percent (2%). It is the intent of the City by these specifigtions that the equipment used provides a bright, distinct picture of the inside of the pipe. If the picture quality is inadequate, the City may not accept the pipe installation and may require additional TV inspections 00756.90 PAVEMENT (ADD) The 3 foot intersection structure connection as shown on the plans shall be incidental to the work of this section and no additional payment will be made. 074 59.00 SCOPE (ADD) This work includes constructing 6' thick, 2a" wide colored concrete maintenance refuge strip around the central island in the roundabout as shown in the roundabout typical cross Addendum #1 --Job #3502 Page 4 RFfFIVFfI TiMF tul~R ~ A•~~DM PDi61T Tarr IAAD G r.nno~~