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PORTLAND CEMENT
CONCRETE PAVING - DRY SHAKE COLORED HARDENER
GUIDE
SPECIFICATION
Purchase
Dry Shake Color Hardener at Monster Constructors Store
PART 1 GENERAL
1.1
RELATED DOCUMENTS
A. Provisions established within the General
and Supplementary Conditions of the
Contract, Division 1 -
General Requirements, and the Drawings are collectively
applicable
to this Section.
1.2 SECTION INCLUDES
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Edit
the "Section Includes" paragraph to briefly describe the content of the
section. After editing
section, refer back to this paragraph
to verify no conflicts occur.
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2
A.
Concrete [sidewalks], [steps], [curbs], [gutters,] [and streets].,
colored using a dry
shake color hardener.
B. Formwork
and Reinforcement.
C. Surface finishing.
D. Curing.
1.3
RELATED SECTIONS
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Sections
paragraph below to suit project requirements; Delete sections that will
not be used.
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A.
Section 02300 - Earthwork: Preparation of site for paving.
B.
Section 027XX - Asphaltic Concrete Paving: Asphaltic paving.
C.
Section 02765 - Pavement Marking: Pavement marking.
D. Section
07920 - Joint Sealants: Sealant for joints.
1.4 QUALITY
ASSURANCE
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Include
quality assurance requirements below which are consistent with the size
and scope of the project and extent of work of this section. Only
request qualification statements you intend to review, and which are
necessary to establish qualifications of the product, manufacturer, or
installer.
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A.
Perform work in accordance with ACI 301, 302, and 303.
B.
Obtain materials from same source throughout.
1.5 REGULATORY
REQUIREMENTS
A. Conform to applicable codes and regulations
for paving work performed on public
property.
1.6
TESTS
A. Perform testing and analysis under provisions of
Section 01400.
B. Submit proposed mix design for each class of
concrete to appointed firm for review
prior to commencement of
work. Testing firm will review mix designs and make
recommendations
for modifications.
C. Testing firm will take cylinders and
perform slump and air entrainment tests in
accordance with ACI
301.
D. Four concrete test cylinders will be taken for every
50 [100] or less cu yds. of each
class of concrete placed each
day.
E. One slump test will be taken for each set of test
cylinders taken.
3
1.7 SUBMITTALS
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Include
submittal requirements below which are consistent with the scope of the
project and
extent of work of this section. Only request
submittals which are necessary for review of design
intent.
Do
not request submittals if drawings sufficiently describe the products
of this section or if
proprietary specifying techniques are
used. The review of submittals increases the possibility of
unintended
variations to drawings.
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A.
Submit product data under provisions of Section 01300.
B.
Include data on joint filler, colorant/hardeners, and curing/sealing
compounds.
C. Submit manufacturer's instructions under
provisions of Section 01300.
D. Provide field samples of
surface colors [,textures] [, and patterns] specified for
architect
approval prior to beginning work, 48 x 48 inch in size illustrating
paving
finishes.
1.8 ENVIRONMENTAL
REQUIREMENTS
A. Do not place pavement when base surface or
ambient temperature is less than 40
degrees F, or if base
surface is wet or frozen.
PART 2 PRODUCTS
2.1
CONCRETE MATERIALS
A. Cement: ASTM C150, type 1, Portland
Cement, gray color.
B. Fine and Coarse Aggregates: ASTM C33.
C.
Water: Clean and not detrimental to concrete.
2.2 FORM
MATERIALS
A. Conform to ACI 301. If using metal, material
shall be free from deformities. If
using wood, use
construction grade lumber, sound and free of warp, minimum 2"
nominal
thickness, except where short radii of curves require thinner forms.
B.
Contraction Joint Devices: Galvanized sheet metal, keyed profile, with
knock-outs
for reinforcing and dowel steel.
2.3
REINFORCEMENT
A. Reinforcing Steel: ASTM A615; 60 ksi yield
grade; deformed billet steel bars,
uncoated finish.
B.
Welded Steel Wire Fabric: Plain type, ANSI/ASTM A185; in flat sheets;
uncoated
finish.
C. Tie Wire: Annealed steel, minimum
16 gage size.
D. Dowels: ASTM A615; 40 ksi yield grade, plain
steel, uncoated finish.
E. Miscellaneous Reinforcing
Accessories: Spacers, chairs, ties, and other devices
necessary
for properly placing, spacing, supporting, and fastening reinforcement
in
place.
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4
Select
F below if polypropylene fibers are desired in concrete mix to inhibit
excessive bleed
water and limit shrinkage cracking.
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2.4
ACCESSORIES
A. Dry Shake Color Hardener:
1. Blend of
portland cement, graded hard aggregates, non-fading synthetic oxide
pigments,
and plasticizers.
2. Color as selected by Architect from
manufacturer's standard range. [Custom
color as selected by
Architect.]
3. Acceptable products and manufacturers: Concrete
Colors Inc Dry Shake Color
Hardener.
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B.
Curing Compound: Meeting ASTM C309, and follow ACI recommended practices
for
curing architectural flatwork, imprinted or chemically stained concrete.
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Monster
Constructors LLC has solvent and water born concrete sealers to enhance
the beauty of stained concrete and minimize the damaging effects of
petroleum based contaminants and overall effect of weathering. Contact
manufacturer for suggested maintenance coatings for periodic renewal of
finish. Refer to manufacturer’s product usage
recommendations.
The following is a brief description of each:
Monster Constructors
LLC MMA Solvent
Seal , Non-yellowing, penetrating sealer, to protect
against
dusting, staining, and dirt..
Monster Constructors
LLC Nature Seal,
100% acrylic emulsion, with excellent resistance to
penetration
of oil, gas, and water.
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6.
Sealing and Finish Coating
1. Concrete Colors MMA Solvent Seal
by Monster Constructors
LLC2. Concrete Colors
Water Based Sealer by Monster Constructors
LLC3. Concrete Colors
Floor Maintain by Monster Constructors
LLC2.5 JOINT FILLERS
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Select
one or more of the following joint fillers. "A" is used where an
architectural statement
needs to be made. "B" is more
utilitarian. "C" is used as backing for joint filler specified either
below or in Section 07920.
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A.
Redwood Boards: Construction heart grade redwood, sound and free of
checks,
splits or other defects, [3/4] 1-1/2] inch thick.
B.
Asphaltic Joint Filler: Asphalt impregnated fiberboard, ASTM D1751, 1/2
inch
thick.
C. Non-Asphaltic Joint Fillers: ASTM
D1752, Type I.
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5
Select
D.1 for applications where puncture resistance of horizontal joints is
not a requirement.
Select D.2 for areas where a shore A
modulus of 40 is desirable for horizontal joints subject to
frequent
foot traffic.
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Sealants:
Two part polyurethane sealants, of grade as required to suit
application,
meeting ASTM C920, in manufacturer's [standard] [custom] colors,
and
as follows:
1 Urethane, SL grade, as specified in Section
07920.
2 Urethane, SL-TB grade as specified in Section 07920
2.6
ADMIXTURES
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Admixtures
improve desired properties of concrete mix. Do not use admixtures to
permit cold
weather concreting that is detrimental to concrete
properties and do not use super-plasticizers
when using
architectural concrete. Consult with Monster Constructors LLC for
assistance in selecting
type "D" as there are various levels
of retarding mixtures available.
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A.
Air Entrainment: ASTM C260.
B. Chemical Admixtures: Meeting
ASTM C494, [type A, cement dispersing/water
reducing] [type D,
set retarding/water reducing].
2.7 CONCRETE MIX
A.
Mix and deliver concrete in accordance with ASTM C94, Alternate 2.
B.
Use accelerating admixtures in cold weather only when approved by
testing
laboratory. Use of admixtures will not relax cold
weather placement requirements.
C. Use set-retarding
admixtures during hot weather only when approved by testing
laboratory.
D.
Add air entraining agent to concrete mix for concrete work exposed to
exterior, in
amounts of 4-7% of total concrete volume or as
otherwise recommended by testing
laboratory.
E.
Maintain water-cement ratio to produce a minimum of 3 to maximum of 5
inch
slump.
F. Use of calcium chloride is strictly
prohibited.
G. Add polypropylene fiber reinforcement at the
ratio of 1.5 lbs of fibers per c.y. of
concrete.
PART
3 EXECUTION
3.1 INSPECTION
A. Verify compacted
[subgrade] [granular base] [stabilized soil] is ready to support
paving
and imposed loads, free of frost, smooth and properly compacted.
B.
Verify gradients and elevations of base are correct, and proper
drainage has been
provided so that water does not stand in the
area to receive paving.
C. Beginning of installation means
acceptance of existing conditions.
6
3.2 PREPARATION
A.
If no vapor retarding membrane is placed, moisten base to minimize
absorption of
water from fresh concrete.
B. Notify
Architect and testing laboratory, minimum 24 hours prior to commencement
of
concreting operations.
3.3 FORMING
A. Construct and
remove forms in accordance with ACI 347.
B. Place and secure
forms to correct location, dimension, and profile. Adequately brace
to
withstand loads applied during concrete placement.
C. Assemble
formwork to permit easy stripping and dismantling without damaging
concrete.
D.
Place joint fillers vertical in position, in straight lines. Secure to
formwork during
concrete placement.
3.4 INSERTS AND
ACCESSORIES
A. Make provisions for installation of inserts,
accessories, anchors, and sleeves.
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Vapor
retarding membranes are useful in exterior paving applications,
especially where slip
resistance is important (as in tennis
courts) and where surface condensation during certain
climatic
conditions are undesirable.
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B.
[Place vapor retarding membrane continuously over subgrade. Overlap
joints a
minimum of 12 inches and seal with a joint tape of
same permeance as sheeting
material.]
3.5
REINFORCEMENT
A. Accurately place reinforcement in middle of
slabs-on-grade.
B Discontinue every other bar of reinforcement
at control and expansion joints.
C. Place reinforcement to
achieve slab and curb alignment as detailed.
D. Steel shall be
free of rust, mill scale, dirt and oil.
E. Provide doweled
joints at interruptions of concrete with one end of dowel set in
capped
sleeve to allow longitudinal movement. Provide support at both ends of
dowels.
F.
Support reinforcing on bar chairs. Securely saddle tie at
intersections. Rigidly
secure in place to minimize
displacement during concrete pour.
3.6 JOINTS
A.
Intentional stoppage of concrete placing shall be at planned location
of either an
expansion joint or contraction joint.
B.
When stoppage occurs at an expansion joint, install joint assembly with
a bulkhead
of sufficient section drilled to accommodate
required dowels. Provide expansion
joints at maximum 40'-0"
[_______] o.c.e.w. in parking lots, 40'-0" [______] o.c. for
curbs
and maximum 20'-0" o.c.e.w. at pedestrian paving.
7
C.
When stoppage occurs at a contraction joint, install sheet metal joint
assembly of
sufficient section to prevent deflection, shaped
to concrete section. Drill bulkhead to
permit continuation of
longitudinal reinforcing steel through construction joint.
D.
Stoppage at Unintentional Location
1. Immediately upon
unintended stoppage of concrete placing, place available
concrete
to a line and install bulkhead perpendicular to surface of pavement and
at
required elevation. Place and finish concrete to this bulkhead. Remove
and
dispose of concrete remaining on subgrade ahead of
bulkhead.
2. When placing of concrete is resumed before
concrete has set to extent that
concrete will stand on removal
of bulkhead, new concrete shall be rodded with
the first;
otherwise, carefully preserve joint face.
3. Provide a joint
seal space at edges created by a construction joint of this type
shall
have a joint seal space as detailed on Drawings.
E. Provide
sawed contraction joints in vehicular paving and curbs spaced as
detailed on
Drawings, but in no case greater than 20 [____]
foot o.c. spacing.
4. Saw joints after completion of finishing
operations as soon as concrete has
hardened to extent
necessary to prevent revealing of joint or damage to adjacent
concrete
surfaces.
5. Saw joints same day that concrete is placed
except that sawing of joints in
concrete placed late in day
may be delayed until morning of following day.
6. In any
event, saw joints within 18 hours after placing concrete.
7.
Use a power-driven concrete saw made especially for sawing concrete and
maintain
in good operating condition.
8. Saw blades shall make a clean,
smooth cut, producing a groove 1/8" to 3/16"
wide and a depth
equal to 1/4 of slab thickness, minimum one inch (1") depth.
9.
Align joints in vehicular paving with joints in adjacent pedestrian
paving.
10. Cut joints through curbs at right angles to back
of curb.
F. Place joint filler between paving components and
building or other appurtenances.
[Recess top of filler 1 inch
for backing rod and sealant placement.]
G. Provide scored
joints in sidewalks and plazas to a depth equal to 1/4 of the slab
thickness,
and at intervals as indicated, but in no case spaced greater than width
of
walk.
3.7 PLACING CONCRETE
A. Place
concrete in accordance with ACI 301 and 304. Deposit concrete so that
specified
slab thickness will be obtained after vibrating and finishing
operations.
Minimize handling to prevent segregation.
Consolidate concrete by suitable means
to prevent formation of
voids or honeycombs. Exercise care to prevent disturbance
of
forms and reinforcing and damage to vapor retarder. Place concrete to
lines and
levels shown, properly sloped to drain [into
adjacent] [yard areas] [drainage
structures].
B. Hot
Weather Placement: ACI 305.
C. Cold Weather Placement: ACI 306.
D.
Ensure reinforcement, inserts, embedded parts,and formed joints are not
disturbed
during concrete placement.
E. Place
concrete continuously between predetermined construction joints. Do not
break
or interrupt successive pours such that cold joints occur.
8
F.
Dry Shake Color Hardener Finish:
1. Apply materials at not
less than following rates unless greater amount is
recommended
by manufacturer.
a0 60-120 pounds per 100 sq/f (depending on
color selected).
2. Immediately following initial floating
operation, uniformly distribute
approximately 2/3 of required
material over concrete surface and embed by
means of bull
floating. Follow floating operation with second shake
application,
uniformly distributing remainder of material at right angles to
previous
application, and embed by bull floating.
3. After completion
of broadcasting and floating, apply trowel finish.
G. While
concrete is still in its plastic state, apply the tool/texture pattern
to the surface
of the concrete. Properly tamp tools into the
surface to achieve the required texture,
with uniformity of
pattern and depth of stamping. Utilize manufacturer’s approved
bond
breaker to keep tools from sticking to fresh concrete.
H.
After consolidating and screeding, float concrete to gradients
indicated. Use a
straight edge to level and test surface in
longitudinal direction to required grade.
Finish edges to
provide a smooth dense surface with 1/8" radius.
I. Place
curing compound on exposed concrete surfaces immediately after
finishing.
Apply in accordance with manufacturer's
instructions.
J. Apply chemical stain only after concrete has
cured a minimum of 30 days. Apply in
number of coats and at
application rates as required to match approved sample.
3.8
FINISHING SCHEDULE
A. Vehicular Paving: [Heavy broom] [Light
Broom] [Imprinted to [_________]
pattern]].
B.
Sidewalk Paving: [Light broom] [Imprinted to [___________] pattern].
C.
Curbs and Gutters: [Light broom] [Imprinted].
D. Curb Ramps
for the Disabled: "V" grooved perpendicular to slope for entire width
and
sides of ramp, with distinctive color difference from surrounding
pavement.
E. Inclined Vehicular Ramps: [Broom perpendicular to
slope] [V-joint perpendicular to
slope] [Herringbone V-joint]
[________________].
3.9 FIELD QUALITY CONTROL
A.
Field inspection and testing will be performed under provisions of
Section 01400.
B. Maintain records of placed concrete items.
Record date, location of pour, quantity,
air temperature, and
test samples taken.
3.10 PROTECTION
A. Immediately
after placement, protect concrete under provisions of Section 01500
from
premature drying, excessive hot or cold temperatures, and mechanical
injury.
9
3.11 SCHEDULES
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Provide
a schedule when differing types of concrete mixes are required in
differing locations.
The following examples may assist in
developing such a schedule.
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A.
Concrete Sidewalks: 3,000 [______] psi 28 day concrete compression
strength, 4
inches thick, 3 inch minimum and 5 inch maximum
slump.
B. Parking Area Pavement and Curbs: 3,000 [3,500] psi
28 day concrete compressive
strength, 5 [6] inches thick, 3
inch minimum and 5 inch maximum slump.
C. Fire Lane and
Frequent Truck Traffic Pavement and Curbs: 4,000 [______] psi 28
day
concrete compressive strength, 6 [7] inches thick, 3 inch minimum and 5
inch
maximum slump.
DO NOT TAKE THIS
PRODUCT INTERNALLY
Keep Out Of Reach Of
Children
Purchase
Dry Shake Color Hardener at Monster Constructors Store
THINK GREEN. We use
recycled concrete in lieu of gravel as aggregate in our
concrete. It doesn't cost us any extra; thus, it doesn't cost
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limited resources we have on earth.
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