Specifications include, but are not limited to: A. Contractor shall do an on-site inspection to review the existing building structure and existing davit bases. B. Contractor shall confirm existing system and roof structure adequacy to withstand new required loads. C. Contractor shall load test and certify existing pedestals for new loads. Caltrans will allow for the opening-up of up to two (2) locations to confirm davit base and attachment dimensions. Contractor shall provide field investigation of existing davit base and attachment. Scope includes opening two (2) locations to confirm attachment and davit base dimensions. Roofing and waterproofing shall be included. D. Caltrans will provide all electrical and water necessary for the term of the project and beyond. E. Contractor shall remove the existing window washing system, permanent powered platform, davits and sockets. Contractor shall design, engineer, and provide four (4) new transportable davits and sockets to accommodate existing system. Davits to include all components to comply with current Cal-OSHA regulations – two-point (2.) suspension trolley, transport wheels, rotation collar for upper rotation, and raising and lowering mechanism.