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a { March 18, 1988 'f i To: John y Medlin Main enance From: Pa 1 Klope i En ineering Subject: E. 13th et. al. Pavement Testing Prior to ompleting design of reconstruction and overlay projects this year pavement esting will be done on each street by Pavement Services Inc.. The streets t be tested include the following: I E. 13th Ave., Kincaid to Willamette ~v Ch tubers St., 8th to 11th ~ ~j~ j Ce tenni al Blvd. , Patterson Bridge to Coburg Rd~~.. ~ 113 Valley River Way, Valley River Dr. to south enr~L// Valley River Dr., Valley River Way to Goodpasture Island Rd. Co urg Rd., Oakway Rd. to Ferry St. Bridge 3S'~~~ * Silver Ln., River Rd. to Grove * Wo d St., Gilbert to Archie ii The first phase of testing will be nondestructive testing using a deflectometer pulled behind a van. Testing is done in the outside wheel path of each lane at intervals of 200 feet. Tests at each interval take about 2 minutes each. The schedule or nondestructive testing is March 21~ and 28,. v Phase two f the testing includes potholing in two locations at 13th and one location a Chambers and pulling one core sample per block for each of the streets on the list. The consultant will backfill, compact, and temporary patch all he holes with cold mix. The schedule for potholing and coring is the week of Ma ch 27 thru the week of April 3. The consultant will obtain approved traffic co trol plans for each street for each phase of the testing from Transports ion. They plan to submit plans for approval on March 20. Final patching o the of the test holes and core holes is by Maintenance, however patching o E. 13th and on Chambers should not be necessary unless the cold mix kicks out, because these streets will be reconstructed completely. The location of the hol s to be repaired will be provided to Maintenance by PSI. Liability 'nsurance in the amounts required by the City's standard contract provisions will be carried by PSI. i Please con ider this memo Engineering's permit application for this work in the right of w y. Call me if you need further information.