; (D) on the request of the Indian Tribe and in accordance with subsection (e)(3), enter into a project partnership agreement with the Indian Tribe for the Indian Tribe to provide full project management control for construction of the eligible project, or a separable element of the eligible project, in accordance with plans approved by the Secretary; (E) following execution of the project partnership agreement, transfer to the Indian Tribe to carry out construction of the eligible project, or a separable element of the eligible project— (i) if applicable, the balance of the unobligated amounts appropriated for the eligible project, except that the Secretary shall retain sufficient amounts for the Corps of Engineers to carry out any responsibilities of the Corps of Engineers relating to the eligible project and the pilot program under this section; and (ii) additional amounts, as determined by the Secretary, from amounts made available to carry out this section, except that the total amount transferred to the Indian Tribe shall not exceed the updated estimate of the Federal share of the cost of construction, including any required design; and (F) regularly monitor and audit each eligible project being constructed by an Indian Tribe under this section to ensure that the construction activities are carried out in compliance with the plans approved by the Secretary and that the construction costs are reasonable. (2) Detailed project schedule Not later than 180 days after entering into an agreement under paragraph (1)(D), each Indian Tribe, to the maximum extent practicable, shall submit to the Secretary a detailed project schedule, based on estimated funding levels, that lists all deadlines for each milestone in the construction of the eligible project. (3) Technical assistance On the request of an Indian Tribe, the Secretary may provide technical assistance to the Indian Tribe relating to— (A) any study, engineering activity, design, or construction activity carried out by the Indian Tribe under this section