SECTION 033053- MISCELLANEOUS CAST-IN-PLACE CONCRETE
PART 1 -GENERAL
1.1
RELATED DOCUMENTS
A.
1.2
Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
SUMMARY
A.
Section includes cast-in-place concrete, including reinforcement, concrete materials, mixture
design, placement procedures, and finishes.
B.
Cast in place concrete items:
1.
Indoor housekeeping pads.
2.
Indoor curbs.
QUALITY ASSURANCE
1.3
A.
Ready-Mix-Concrete Manufacturer Qualifications: A firm experienced in manufacturing readymixed concrete products and that complies with ASTM C 94/C 94M requirements for production
facilities and equipment.
B.
Comply with the following sections of ACI 301 (ACI 301M), unless modified by requirements in
the Contract Documents:
1.
2.
3.
4.
5.
C.
"General Requirements."
"Formwork and Formwork Accessories."
"Reinforcement and Reinforcement Supports."
"Concrete Mixtures."
"Handling, Placing, and Constructing."
Comply with ACI117, "Specifications for Tolerances for Concrete Construction and Materials."
PART 2- PRODUCTS
2.1
FORMWORK
A.
2.2
Furnish formwork and formwork accessories according to ACI 301 (ACI 301M).
STEEL REINFORCEMENT
A.
Reinforcing Bars: ASTM A 615/A 615M, Grade 60 (Grade 420), deformed.
State of Missouri
Capitol Building HVAC Upgrades - Phase 1
FMDC Project No.: 0-1325-01
8760 Project No.: 8188.00
November 18, 2014
MISCELLANEOUS CAST-IN-PLACE CONCRETE
033053- 1
B.
''
Plain-Steel Welded Wire Reinforcement: ASTM A 185/A 185M, fabricated from as-drawn steel
wire into flat sheets.
CONCRETE MATERIALS
2.3
A.
Cementitious Material: Use the following cementitious materials, of the same type, brand, and
source throughout Project:
1.
Portland Cement: ASTM C 150.
B.
Normal-Weight Aggregate: ASTM C 33, graded.
C.
Water: ASTM C 94/C 94M.
CONCRETE MIXTURES
2.4
A.
Comply with ACI 301 (ACI 301M) requirements for concrete mixtures.
B.
Normal-Weight Concrete:
(ACI 301M), as follows:
1.
Prepare design mixes, proportioned according to ACI 301
Minimum Compressive Strength: 4000 psi (20.7 MPa) at 28 days.
PART 3- EXECUTION
3.1
FORMWORK
A.
3.2
Design, construct, erect, brace, and maintain formwork according to ACI 301 (ACI 301M).
EMBEDDED ITEMS
A.
Place and secure anchorage devices and other embedded items required for adjoining work
attached to or supported by cast-in-place concrete. Use setting drawings, templates, diagrams,
instructions, and directions furnished with items to be embedded.
STEEL REINFORCEMENT
3.3
A.
3.4
Housekeeping pads shall be reinforced and doweled to the floor slab. Refer to ASHRAE-A
Practical Guide to Seismic Restraint 1999, Chapter 6 - Housekeeping pads for size and
spacing of reinforcing and dowels.
HOUSEKEEPING PADS
A.
All equipment setting on concrete or other type of pave flooring shall be set upon a raised
"housekeeping" pad, unless noted otherwise.
State of Missouri
Capitol Building HVAC Upgrades- Phase 1
FMDC Project No.: 0-1325-01
8760 Project No.: 8188.00
November 18, 2014
MISCELLANEOUS CAST-IN-PLACE CONCRETE
033053-2
1.
B.
Air handling units that are supported by site built structural steel support bases as
indicated on the Drawings shall not have concrete housekeeping pads.
The Contractor shall be responsible for the size, location, and any required anchor bolts. In
general, housekeeping pads shall be a minimum of 3 1/2" high, a 3/4" chamfer on exposed
corners and edges, and a minimum of 3" beyond the equipment on all sides or as required for
anchor bolt edge distance.
END OF SECTION 033053
State of Missouri
Capitol Building HVAC Upgrades- Phase 1
FMDC Project No.: 0-1325-01
8760 Project No.: 8188.00
November 18, 2014
MISCELLANEOUS CAST-IN-PLACE CONCRETE
033053- 3
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