A21_-_Questions_and_Answers_3.pdf

Question: I need to know the three lock chamber elevation depths of their respective concrete floor.

The actual depth of water at summer pool inside the locks with the upstream head gates closed and the downstream open.

Answer: Locks #1 and #3 are approximately 30 feet deep, give or take a foot either way. Lock #2 is approximately 35 feet deep, again, give or take a foot either way.

Question: In paragraph 2.4 states that "no steel-tracked vehicles permitted on pavement of or concrete." If we need to use steel-tracked vehicle can we use lumber woods mats between the tracks and concrete?

Answer: No steel-tracked vehicles shall be permitted on pavement or concrete. Use of wood mats between the steel-tracked vehicle's tracks and the pavement or concrete may be allowed provided mats are of appropriate size / dimensions and do not affect the safety or stability of the steel-tracked vehicle.

Any damage to asphalt, concrete or other surfaces; shall be repaired by the Contractor at his expense.

Also refer to Paragraph 1.6 – Subsurface Evaluation of Concrete Esplanades.

Question: Will there be any testing of the sediments to determine the presence/absence of Gen-X?

Answer: Testing of the sediment is not required by the Government, but any costs for testing by the disposal site would be the responsibility of the Contractor.