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City staff explain pavement‑preservation contract; officials stress lifecycle cost savings
Summary
Public Works described a pavement preservation contract that uses treatments such as crack seal, chip seal, microsurfacing and rejuvenators to extend pavement life at lower life‑cycle cost. Council members asked about timing on newly accepted roads and developer responsibilities.
Durham Public Works staff detailed a pavement preservation contract on March 13, describing treatments intended to keep good roads in good condition and extend pavement life on a cost‑effective schedule.
Assistant Director Tasha Johnson and Clint Blackburn of Public Works explained that preservation is “the right treatment to the right road at the right time,” and estimated a rough order‑of‑magnitude life‑cycle benefit: “About a 1 to 10,” Johnson said—preservation treatments can delay the need for full repaving and lower life‑cycle expenses.
Staff described treatment timing: rejuvenators are typically applied one to two years after paving, while chip seal or microsurfacing treatments are often applied five to seven (sometimes up to ten) years after paving. Council members asked why some recently accepted roads appear on the map; Blackburn said acceptance dates can lag construction by several years and that many “brand new” roads on maps are not freshly paved when the city assumes maintenance.
Council members also asked whether developers contribute to post‑construction maintenance or fees in lieu; staff said resurfacing prior to final acceptance is the responsibility of the developer/contractor and the city only assumes maintenance after acceptance at an acceptable level of service.
Council had no final vote on the preservation contract during the discussion recorded in the transcript; staff answered questions about contractor selection and listed the program’s intent to preserve assets across the pavement network while deferring more costly full resurfacings.
Ending
Staff described the preservation program as a cost‑effective approach to extend pavement life and said the selection of streets and exact treatments will be governed by condition assessments and consultant recommendations.
