4-3 SECTIO N 402 – AGGREGAT E SHOULDERS 402.0 1 DESCRIPTION . This work shall consist of furnishing, placing, and compacting material for aggregate shoulders on a prepared surface. 402.0 2 MATERIALS . Materials shall meet the requirements of the following subsection s: Aggregate Shoulders ................................ ................................ ................................ ..704.12 (c) Aggregate Shoulders, RAP ................................ ................................ ........................ 704.12(d) 402.0 3 PLACEMENT . Aggregate shoulders shall be placed with equipment capable of placing the material in accordance with th e Plans . The Contractor shall demonstrate the proposed placement procedures to the Engineer . If deemed necessary by the Engineer, the procedures shall be adjusted to avoid damage to the wearing course . It shall be the Contractor’s responsibility to repair any damage to the wearing course to the satisfaction of the Engineer, at no additional cost to the Agency. Unless otherwise directed by the Engineer or shown on the Plans, aggregate shoulders shall be p laced in one course and shall not be placed until the adjacent wearing course has been completed . The maximum layer thickness for placement of material shall be 8 inches after compaction . When multiple layers are required, all layers shall be placed in app roximately equal thicknesses and compacted as directed by the Engineer . The Contractor shall correct any segregated material , to the satisfaction of the Engineer, at no additional cost to the Agency. All material shall have a true and even surface as shown in the Plans . All holes or depressions found prior to acceptance of the project shall be filled with additional material , reworked , and compacted as necessary. A load ticket , indicating truck identification, date and time of delivery, and weigh t shall be furnished to the Engineer with each load delivered to the project . 402.0 4 METHO D OF MEASUREMENT . The quantity of Aggregate Shoulders and Aggregate Shoulders, RAP to be measured for payment will be the number of tons used in the complete and accepted work, as determined from load ticket s. Partial loads shall be paid for on a prorated basis. 4-4 402.0 5 BASIS OF PAYMENT . The accepted quantity of Aggregate Shoulders and Aggregate Shoulders, RAP will be paid for at the Contract unit price per ton . Payment will be full compensation for performing the work specified and for furnishing all material s, labor, tools, equipment , and incidentals necessary to complete the work . Water used for obtaining the required compaction will not be paid for separately but will be considered incidental to the Aggregate Shoulders item in the Contract. Payment will be made under: Pay Item Pay Unit
402.12 00 Aggregate Shoulders ................................ ................................ ................. Ton
402.13 00 Aggregate Shoulders, RAP ................................ ................................ .......Ton
4-5 SECTIO N 404 – BITUMINOU S SURFAC E TREATMEN TS
404.01 DESCRIPTION . This work shall consist of furnishing and applying a bituminous treatment on an
approved surface.
404.02 MATERIALS . Materials shall meet the requirements of the following subsections:
Anionic Emulsified Asphalt ................................ ................................ ....................... 702.02(a) Cationic Emulsified Asphalt ................................ ................................ ...................... 702.0 2(b) Polymer -Modified Emulsified Asphalt ................................ ................................ ......702.02(c) Sand Cover ................................ ................................ ................................ ................. 704.11(a)
404.03 WEATHER LIMITATIONS . Bituminous material shall only be applied when the following
conditions prevail.
a.The ambient a ir and pavement surface temperature, in the shade and away from artificial heat, meets the minimum requirements specified in Table 404.03A , and the temperatures are rising. TABLE 404.03A – MINIMUM TEMPERATURES REQUIRED FOR SURFACE TREATMENT Surface Treatment Min. Air Temperature Min. Surface Temperature Emulsified asphalt tack coat 35°F 35°F Polymer -modified emulsified asphalt tack coat 50°F 50°F Emulsified asphalt fog seal 50°F 60°F Emulsified asphalt seal coat with sand cover 60°F 60°F
b.The road surface is sufficiently dry.
c.Weather and other conditions are favorable and expected to remain so until the material has reached the point where adverse weather conditions will not negatively impact the quality.
Source: Vermont Standard Specifications for Construction, 2024 Edition. Pages 321–322 of 1,380.