PROJECT MANUAL Specifications Seafood Removal Walmart Store No 1186 Liberty TX

4. Space joints to allow one continuous placement between bulkheads.
5. Maximum length-to-width ratio for concrete panels defined by walls or joints shall be 1-1/2:1.
6. Do not locate longitudinal construction joints in action alleys.
7. Unless otherwise shown on the Drawings, do not extend reinforcement, corner protection angles, bars or
other fixed metal items through construction joints in slabs on grade or pavements or through joints between
slabs on grade and vertical surfaces.
8. Match joints in walls and curbs with joints in slabs on grade and pavements.
9. Extend joints across tops of walls and curbs unless noted otherwise on Drawings.
10. Isolation Joints: Form isolation joints in accordance with Section 07900.
3.9 CONVEYING
A. Handle concrete from mixer to place of final deposit as rapidly as practicable and in manner which will assure
obtaining specified quality of concrete.
B. Re-tempering: Discard concrete which has already begun to set. Do not re-temper with water.
C. Equipment: Provide mixing and conveying equipment of proper size and design to ensure a continuous flow of
concrete to delivery end. Do not use aluminum pipe or equipment in contact with concrete.
1. Mixers, agitators and non-agitating units: Conform to ASTM C94 and current certification requirements of
Department of Transportation in state where concrete plant is located.
2. Belt Conveyers:
a. Use only types which will not cause segregation.
b. Discharge runs over 30 feet into hopper
3. Chutes: Metal or metal lined not to be installed at slopes greater than 1 vertical to 3 horizontal.
4. Runways:
a. Provide runways or other means above finished concrete level for wheeled conveying equipment.
b. Do not support runways on reinforcing.
c. Do not wheel equipment directly over reinforcing or metal deck.
5. Pumps:
a. Submit to Testing Lab Agency for review, changes to concrete mix to necessitate pumping.
b. Use pump hoses and other slickline components with 5 inch minimum inside diameter.
c. For slickline reducers, reduction in diameter shall not exceed 1 inch over a 5 foot length.
3.10 PLACING CONCRETE
A. Unless otherwise specified, place concrete in accordance with the requirements of ACI 301.
B. The concrete supplier shall have a quality control representative at site for concrete placements.
C. General Contractor and/or the Concrete Floor Subcontractor representative shall be on site during placement of the
concrete.
D. The concrete supplier shall have a quality assurance representative at the site for the entire duration of each
concrete slab placement as a resource to the Contractor.
E. Supervision for the General Contractor and the Concrete Floor Subcontractor shall be on site for the entire
duration of each concrete slab placement.
F. Depositing
1. Do not deposit concrete which has partially hardened or has been contaminated by foreign matter.
2. Deposit concrete continuously in layers of such thickness that no concrete will be deposited on concrete
which has hardened sufficiently to cause seams or planes of weakness.
3. Between construction joints, place concrete in a continuous operation such that concrete is plastic at all
03312-18
Walmart #1186 – Liberty, TX 04/20/11
CMA/10118.034