SECTION 033000 - CAST-IN-PLACE CONCRETE

Sludge Treatment Project Engineered Container Retrieval and Transfer System January 2012
I. ACI Publications: Comply with the following unless modified by requirements in the Contract
Documents:
1. ACI 301, “Specifications for Structural Concrete”, Sections 1 through 5 and Section 7,
“Lightweight Concrete”.
2. ACI 117, “Specifications for Tolerances for Concrete Construction and Materials”.
3. ACI 211.1, “Standard Practice for Selecting Proportions for Normal, Heavyweight, and
Mass Concrete”.
4. ACI 211.2, “Standard Practice for Selecting Proportions for Structural Lightweight
Concrete”.
5. ACI 305R, “Hot Weather Concreting”.
6. ACI 306R, “Cold Weather Concreting”.
J. Concrete Testing Service: Engage a qualified independent testing agency to perform material
evaluation tests and to design concrete mixtures.
K. Mockups: Cast structural lightweight concrete mixture on metal deck to demonstrate surface
finish, texture, tolerances, unit weight, compressive strength, delivery time, conveying and
standard of workmanship.
1. Build panel approximately 100 sq. ft. in the location near indicated by Buyer’s Technical
Representative. Deck shall have supports at 5’ centers and be at least two spans. Metal
deck shall be same used for roofing. Deck need not be anchored to the supports.
2. Mockup may be near ground level but shall be conveyed as will be done for roof decks.
3. Mockup may be removed after approval including 28 day test reports.
L. Preinstallation Conference: Conduct conference at Project site.
1. Before submitting design mixtures, review concrete design mixture and examine
procedures for ensuring quality of concrete materials. Require representatives of each
entity directly concerned with cast-in-place concrete to attend, including the following:
a. Contractor's superintendent.
b. Independent testing agency responsible for concrete design mixtures.
c. Ready-mix concrete manufacturer.
d. Concrete subcontractor.
2. Coordinate meeting. Request the following representatives to attend:
a. BTR
b. CHPRC Construction Manager.
c. CHPRC QC.
d. Structural Engineer.
3. Review special inspection and testing and inspecting agency procedures for field quality
control, concrete finishes and finishing, cold and hot-weather concreting procedures, fall
protection, lifts, critical lifts, curing procedures, construction contraction and isolation
joints, and joint-filler strips, forms and form removal limitations, shoring and reshoring
procedures, vapor-retarder installation, anchor rod and anchorage device installation
Contract 44577 KW Annex - Rev. E 44577-CSI-SPEC-001 033000 - 5