- 729 - SECTION 903 -- REMOVE AND RESET GUARDRAIL
903.01 Description
1.Removing guardrail shall include the removal of all cable, approach sections, terminal sections, anchorage sections, and beam guardrail materials, fittings, and posts from locations shown in the contract or designated by the Engineer. Concrete anchors shall be removed in their entirety and disposed of by the Contractor.
2.Resetting guardrail shall include setting guardrail salvaged from the project or furnished and delivered to the project by others as indicated in the contract. New anchors shall be furnished by the Contractor. The Contractor shall furnish all new posts, offset blo cks, hardware, and incidentals required to install the salvaged rail and cable elements.
903.02 Material Requirement
1.New materials, replacement materials, and concrete shall conform to the requirements of Section 902.
903.03 Construction Methods
1.“Remove and Salvage Guardrail” a. The Contractor shall remove and salvage the guardrail as shown in the contract. The salvaged guardrail materials shall be stockpiled as indicated in the contract.
b.Cable shall be rolled on spools, and the length of cable on each spool shall not exceed 2,000 feet (610 m).
c.(1) Salvaged materials shall be stored on or near the right-of- way at locations designated by the Engineer.
2.Hardware shall be placed in suitable containers. (3) No more than 55 pounds (25 Kg) of salvaged material shall be placed in a single container.
d.The Contractor removing the existing guardrail shall replace all materials damaged during removal at no additional cost to the Department.
e.All materials that the E ngineer determines are not salvageable or needed by the Department shall bec ome the property of the Contractor. The Contractor shall remove all nons alvagable materials from the project site and properly dispose these materials in accordance with all-applicable laws and regulations.
2.“Remove Guardrail”
a.The Contractor shall remo ve the guardrail and all materials belong to the Contractor and mu st be removed from the site.
3.“Reset Guardrail” a. The Contractor shall reset the guardrail at the locations shown in the contract or as directed by t he Engineer. The work shall be done in accordance with the requirements of Section 902.
903.04 Method of Measurement
1.“Reset Guardrail” is measur ed by the liner foot (meter). The Department will compute the length of guardrail reset by the linear foot
903.04 Remove and Reset Guardrail
- 730 - (meter) from center to center of guardr ail element end connections, including approach and terminal sections, for each continuous length of guardrail.
2.“Remove Guardrail” or “Remove & Salvage Guardrail” is measured by the linear foot (meter). The D epartment will compute the length of guardrail removed by the linear foot (meter) from center to center of guardrail element end connections, including approach and terminal sections, for each continuous length of guardrail.
903.05 Basis of Payment
1.P a y I t e m P a y U n i t Reset Guardrail Linear Foot (LF) [meter (m)] Remove & Salvage Guardrail Linear Foot (LF) [meter (m)] Remove Guardrail Linear Foot (LF) [meter (m)]
2.Payment is full compensation for all work described in this Section. - 731 - SECTION 904 -- INERTIAL BARRIER MODULES
904.01 Description
1.The Contractor shall furnish and install sand filled inertial barrier modules (impact attenuators) at the locations shown in the contract.
904.02 Material Requirements
1.The inertial barrier modules shall be listed on the Department’s Approved Products List.
2.Filler material for inertial barrier modules shall meet the requirements for concrete fine aggr egate shown in Table 1033.02A. Salt shall be added to prevent freezing. The sand or filler material shall contain 5 to 15% (by volume) rock salt mixed with the filler material.
904.03 Construction Methods
1.The Contractor shall install the inertial barrier modules in accordance with the recommendations an d instructions of the manufacturer and as directed by the Engineer.
904.04 Method of Measurement
1.The inertial barrier modules shall be measured by the each.
2.Filler material shall be measured by the cubic yard (cubic meter).
904.05 Basis of Payment
1.P a y I t e m P a y U n i t Inertial Barrier Modules, Type _____ Each (ea) Filler Material for Inertial Barrier Modules Cubic Yard (CY) [ C u b i c M e t e r ( m 3)]
2.Payment is full compensation for all work described in this Section.
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 763–764 of 1,048.