8-20 830-5 Protection From Cold Weather
Do not place masonry when the temperature is below 35°F unless adequate protection is provided by a pre -approved method. When it is anticipated that the atmospheric temperature will fall below 35°F protect masonry, in accordance with Subarticle 420- 7(C), for at least 3 curing days. Define a “curing day” as any consecutive 24 hour period, beginning when the last masonry unit is placed in the completed structure, during which the air temperature adjacent to the structure does not fall below 40°F.
830-6 Measurement and Payment
There will be no direct payment for the work covered by this section. Payment at the contract prices for the various items covered by those sections of the Standard Specifications directly applicable to the wo rk being constructed will be full compensation for all work covered by this section.
832-1 Description
This work shall consist of the gener al requirements for all reinforced brick masonry construction. The requirements of Section 838 will prevail over any conflicting requirements of this section.
832-2 Concrete Construction
Construct concrete footings and all other concrete elements of the structure in accordance with Section 825. Furnish and place reinforcement as shown in the plan s and in accordance with Section 425. Use Class A concrete for footings unless otherwise indicated in the plan s. Use Class B concrete in reinforcement cavities. Rod Class B concrete in reinforcement cavities to provide a dense, homogeneous concrete. Do not vibrate.
832-3 Mortar
Machine mix mortar that meets Article 1040 -9 for at least 90 seconds . Remove and dispose of any mortar that has developed initial set or lost plasticity.
832-4 Laying Brick
Dampen brick when necessary to reduce the rate of absorption. Construct the type of bond called for in the plan s. Build reinforced brick masonry plumb and true to the required dimensions. Lay brick with completely filled mortar joints. Make mortar joint thickness at least 3/8 inch and no more than 5/8 inch. Finish joints that will remain exposed after backfill, with a concave jointer. Flush cut all other joints. Use spalls or bats only when shaping around irregular openings. Place a full brick at the corner and place the bat in the interior of the course when ne cessary to finish out a course. Clean spilled mortar from exposed exterior surfaces not backfil led.
832-5 Protection From Cold Weather
Refer to Article 830 -5.
832-6 Measurement and Payment
There will be no direct payment for the work covered by this section.