18 Spec - Section 621 Landmark Reference Monuments
Effective with the November 2020 Letting 2021 Standard Specifications 621 Landmark Reference Monuments Description (1) This Section describes constructing Landmark Reference Monuments , with or without covers. Materials (1) Furnish materials conforming to the following: Concrete ........................................ ........................................ ........................................ ................................. 501 Reinforcement ........................................ ........................................ ........................................ ..................... Miscellaneous metals ........................................ ........................................ ........................................ ....... Brick and concrete brick or block masonry.
Monuments and Aluminum Covers bid items, construct cast in place or precast reinforced concrete monuments in holes excavated in the ground and covered with cast iron covers or, if specified, aluminum monuments excavated or driven into the ground and covered with aluminum covers.
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