TEMPORARY SHORING. A. Contractor shall provide all temporary shoring required for the installation of Work. Contractor assumes all responsibility for this work and shall repair any damage caused by improper supports or failure of shoring in any respect. Any provisions that are installed to assure the stability of adjacent structures, trees, roadways, or infrastructure, shall be in accordance with the plans provided by the Contractor.
TEMPORARY SHORING. (2-20-07) (Rev. 3-17-15) SP11 R02 Temporary shoring includes cantilever, braced and anchored shoring and temporary mechanically stabilized earth (MSE) walls. Temporary shoring does not include trench boxes. At the Contractor’s option, use any type of temporary shoring unless noted otherwise in the plans or as directed. Design and construct temporary shoring based on actual elevations and shoring dimensions in accordance with the contract and accepted submittals. Construct temporary shoring at locations shown in the plans and as directed. Temporary shoring is required to maintain traffic when a 2:1 (H:V) slope from the top of an embankment or bottom of an excavation will intersect the existing ground line less than 5 ft from the edge of pavement of an open travelway. This provision does not apply to pipe, inlet or utility installation unless noted otherwise in the plans. Positive protection includes concrete barrier and temporary guardrail. Provide positive protection for temporary shoring at locations shown in the plans and as directed. Positive protection is required if temporary shoring is located in the clear zone in accordance with the AASHTO Roadside Design Guide.
TEMPORARY SHORING. The Engineer shall provide layouts (scale 1”=100’), elevations, quantity estimate, summary of quantities, typical cross sections and structural details of retaining walls within the project limits. Approximate lengths of the retaining walls as shown on the schematic shall be listed in a Work Authorization. The Engineer shall determine if any additional walls are required and verify the need for and length of the retaining walls as shown on the schematic. The Engineer shall design for additional wall locations (including noise walls) within the projects limits, at the written request of the State’s Project Manager. If applicable, the State will provide architectural standard drawings. The “SAN ANTONIO DISTRICT AESTHETIC GUIDELINES - HILL COUNTRY REGION” standards will be provided by the State. The Engineer shall incorporate architectural standard drawings into design details (provided by the State). The specific requirements for each item are as follows:
