SP00254 (2015 Specifications: 11-13-14)

(Use this Section when the Contractor is to construct temporary work platforms or scaffolding that are suspended from existing structures.)

SECTION 00254-TEMPORARY WORK ACCESS

(Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project. The specifications may be modified to include project specific specifications, but all additions, deletions, or modifications must be sent to the ODOT Technical Resource and Senior Specifications Engineer for review and approval.)

Section 00254, which is not a Standard Specification, is included in this Project by Special Provision.

Description

00254.00Scope-This work consists of designing, installing, maintaining, and removing work platforms or scaffolding suspended from the existing bridge superstructure to provide temporary work access for the rehabilitation of the existing structure.

Construction

00254.40Plans and Drawings:

(a)Contractor-Designed-For Contractor-designed work platforms and scaffolding, provide stamped working drawings and calculations of the work platforms or scaffolding according to 00150.35.

Include the following information:

•All general notes for the design and construction of the platform or scaffolding

•Material list including incidental items.

•Show layout of work access in relation to the existing structure, drainage system and utilities.

•Detail the anchoring system that will be used to connect the temporary platform or scaffolding to the existing structure.

•Show all structure and geometric details including but not limited to:

•Loading conditions.

•Connecting devices.

•Construction around utilities, drainage, footings, bents, or other structures.

(b)Pre-Engineered-Pre-engineered assemblies may be utilized for all or for portions of work platforms or scaffolding. Submit manufacturer's literature indicating safe working loads. Working drawings and calculations for pre-engineered assemblies are not required.

00254.41Construction-Install work platforms or scaffolding so they contain all rubble and debris. Do not allow rubble or debris to fall into waterways.

Install work platforms or scaffolding so they satisfy all the requirements of applicable permitting agencies.

Finishing and Cleaning Up

00254.70Removal-When temporary work platforms or scaffolding are no longer needed, remove them according to Section 00310.

Satisfy all requirements of applicable permitting agencies during removal.

Restore the existing structure to conditions satisfactory to the Engineer.

Measurement

00254.80Measurement-No measurement of quantities will be made for work performed under this Section.

Payment

00254.90Payment-The accepted quantities of work performed under this Section will be paid for at the Contract lump sum amount for the item "Temporary Work Access".

Payment will be payment in full for furnishing and placing all materials, and for furnishing all equipment, labor, and incidentals necessary to complete the work as specified.

No separate or additional payment will be made for designing, installing, maintaining, and removing work accesses or scaffolding and restoring the existing structure.

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