SECTION 32 14 13

PRECAST CONCRETE UNIT PAVING

Display hidden notes to specifier. (Don't know how? Click Here) 
 Copyright 2019 -  2025 ARCAT, Inc. - All rights reserved

PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Precast concrete unit paving including the following:
1.	Non-permeable concrete pavers.
2.	Permeable concrete pavers.
3.	Joint sand.
4.	Permeable joint opening aggregate.
5.	Setting bed sand.
6.	Permeable setting bed aggregate.
7.	Base aggregate.
8.	Permeable base aggregate.
9.	Subbase aggregate.
10.	Permeable subbase aggregate.
11.	Geotextile.
12.	Edge restraints.
13.	Accessories.
1.2	RELATED SECTIONS
A.	Section 31 20 00 - Earth Moving.
B.	Section 32 32 13 - Cast-in-Place Concrete Retaining Walls.
C.	Section 03 30 00 - Cast-in-Place Concrete.
1.3	REFERENCES
A.	ASTM International (ASTM):
1.	ASTM C29 - Bulk Density and Voids in Aggregate Materials.
2.	ASTM C33 - Standard Specification for Concrete Aggregates.
3.	ASTM C67 - Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile, Section 8, Freezing and Thawing.
4.	ASTM C136 - Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates.
5.	ASTM C140 - Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units.
6.	ASTM C144 - Standard Specifications for Aggregate for Masonry Mortar.
7.	ASTM D448 - Standard Classification for Sizes of Aggregate for Road and Bridge Construction.
8.	ASTM C936 - Standard Specification for Solid Concrete Interlocking Paving Units.
9.	ASTM C979 - Standard Specification for Pigments for Integrally Colored Concrete.
10.	ASTM C1645 - Standard Test Method for Freeze-thaw and De-icing Salt Durability of Solid Concrete Interlocking Paving Units.
11.	ASTM D698 - Test Methods for Moisture Density Relations of Soil and Soil Aggregate Mixtures Using a 5.5 lb (24.4 N) Rammer and 12 in. (305 mm) drop.
12.	ASTM D1557 - Test Methods for Moisture Density Relations of Soil and Soil Aggregate Mixtures Using a 10-lb (44.5 N) Rammer and 18 in. (457 mm) drop.
13.	ASTM D1883 - Test Method for California Bearing Ratio of Laboratory-Compacted Soils.
14.	ASTM D2940 - Graded Aggregate Material for Bases or Subbases for Highways or Airports.
15.	ASTM D4254 - Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density.
16.	ASTM D4354 - Standard Practice for Sampling of Geosynthetics for Testing.
17.	ASTM D4491 - Standard Test Method for Water Permeability of Geotextiles by Permittivity.
18.	ASTM D4533 - Standard Test Method for Index Trapezoidal Tearing Strength of Geotextiles.
19.	ASTM D4632 - Standard Test Method for Grab Breaking Load and Elongation of Geotextiles.
20.	ASTM D4751 - Standard Test Method for Determining Apparent Opening Size of a Geotextile.
21.	ASTM D4759 - Standard Practice for Determining the Specifications Conformance of Geosynthetics.
22.	ASTM D4833 - Standard Test Method for Index Puncture Resistance of Geotextiles, Geomembranes and Related Products.
23.	ASTM D5261 - Standard Test Method for Measuring Mass per Unit Area of Geotextiles.
B.	U.S. Green Building Council, Leadership in Energy and Environmental Design (LEED):
1.	LEED Building Design and Construction.
1.4	SUBMITTALS
A.	Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.	Product Data:
1.	Manufacturer's data sheets on each product to be used.
2.	Preparation instructions and recommendations.
3.	Storage and handling requirements and recommendations.
4.	Typical installation methods.
C.	Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.
D.	Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square representing actual product, color, and patterns.
E.	Shop Drawings: Include details of materials, construction and finish. Include relationship with adjacent construction. 
F.	Sustainable Design Submittals:
1.	LEED Materials and Resources Credit 4, Recycled Materials: Submit letter from manufacturer certifying the products having recycled content, documentation indicating percentages by weight of post-consumer and pre-consumer recycled content.
a.	Include statement indicating costs for each product having recycled content.
2.	LEED Materials and Resources Credit 5, Regional Materials: Submit letter from manufacturer certifying products having been extracted, harvested, or recovered, as well as manufactured within 500 miles (804.7 km) of the project site.
a.	Include statement indicating the percentage by weight which is extracted, harvested, or recovered within 500 miles (804.7 km) of the project site.
3.	LEED Sustainable Sites Credit 7.1, Non-roof: Submit letter from manufacturer certifying the solar reflectance index (SRI) of the paver is 29 or greater.
4.	Typical installation methods.
1.5	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum ten years documented experience.
B.	Installer Qualifications: Company specializing in performing Work of this section with minimum two years documented experience with projects of similar scope and complexity.
C.	Source Limitations: Provide each type of product from a single manufacturing source to ensure uniformity.
D.	Mock-Up: Construct a mock-up with actual materials in sufficient time for Architect's review and to not delay construction progress. Locate mock-up as acceptable to Architect and provide temporary foundations and support.
1.	Intent of mock-up is to demonstrate quality of workmanship and visual appearance.
2.	If mock-up is not acceptable, rebuild mock-up until satisfactory results are achieved.
3.	Retain mock-up during construction as a standard for comparison with completed work.
4.	Do not alter or remove mock-up until work is completed or removal is authorized.
1.6	DELIVERY, STORAGE, AND HANDLING
A.	Store and handle in strict compliance with manufacturer's written instructions and recommendations.
B.	Protect from damage due to weather, excessive temperature, and construction operations.
1.7	PROJECT CONDITIONS
A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.8	EXTRA MATERIALS
A.	Provide 100 square feet of each product and size used to owner for maintenance and repair. Furnish Pavers from the same production run as installed materials.
PART 2    PRODUCTS
2.1	MANUFACTURER
A.	Acceptable Manufacturer: UNILOCKÂ®, which is located at:<BR />191 The West Mall, Suite 200<BR />Etobicoke, ON, Canada M9C 5K8<BR />Toll Free Tel: 800-864-5625<BR />Fax: 888-477-1707<BR />Email: request info (Emily.Moed@unilock.com);Web: https://commercial.unilock.com 
1.	Unilock Ltd, 287 Armstrong Avenue, Georgetown, ON L7G 4X6. 416-646-9000
2.	Unilock New England, 35 Commerce Dr., Uxbridge, MA 01569. 508-278-4536
3.	Unilock New York, 51 International Blvd., Brewster NY 10509. 845-278-6700
4.	Unilock Inc., 510 Smith Street, Buffalo, NY 14210. 716-826074
5.	Unilock Ohio, 12560 Sheets Rd, Rittman, OH 44270. 330-927-4000
6.	Unilock Michigan, 12591Emerson Dr., Brighton, MI 48116 248-437-7037
7.	Unilock Chicago, 301 E Sullivan Rd, Aurora, IL 60505. 630-892-9191
8.	Unilock W4814 County Rd A, Elkhorn, WI 53121. 262-742-3890. 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2	PERFORMANCE REQUIREMENTS
A.	Standards Compliance:
1.	Provide pavers meeting the minimum material and physical properties set forth in ASTM C936. Efflorescence is not a cause for rejection.
2.	Pigments conforming to ASTM C979.
B.	Compressive Strength: 8,000 psi (55 MPa) average, with no individual unit under 7,200 psi (50 MPa).
C.	Absorption (ASTM C140): 5 percent average with no unit greater than 7 percent.
D.	Resistance to Freeze-Thaw (ASTM C1645): No breakage greater than 1.0 percent loss in dry weight of individual unit after 50 cycles.
E.	Maximum allowable breakage of product is 5 percent.
2.3	NON-PERMEABLE PAVERS
A.	Basis of Design: Courtstone; as manufactured by Unilock.
1.	Color: Basalt.
2.	Color: Belgian Blue.
3.	Color: Dawn Mist.
4.	Color: Pebble Taupe.
5.	Color: Blend of Dawn Mist and Pebble Taupe.
6.	Color: Blend of Belgian Blue and Basalt.
7.	Color: To be selected by Architect.
8.	Color: _____.
9.	Finish: Reala Cobblestone, timeworn finish.
10.	Thickness: 2.375 inches (60 mm).
11.	Sizes:
a.	Random Bundle: (the following sizes sold together in one bundle)
1)	XL Rectangle: 8.5 x 5.125 inches (215 x 130 mm).
2)	Large Rectangle: 7.25 x 5.125 inches (185 x 130 mm).
3)	Rectangle: 6.5 x 5.125 inches (165 x 130 mm).
4)	Small Rectangle: 5.75 x 5.125 inches (145 x 130 mm).
5)	Square: 5.125 x 5.125 inches (130 x 130 mm).
B.	Basis of Design: Copthorne; as manufactured by Unilock.
1.	Color: Basalt.
2.	Color: Burgundy Red.
3.	Color: Burnt Clay.
4.	Color: Old Oak.
5.	Color: Steel Blue (Grey).
6.	Color: To be selected by Architect.
7.	Color: _____.
8.	Finish: Reala Cobblestone, timeworn finish.
9.	Size: 7.875 x 2.5 x 2.375 inches (200 x 65 x 60 mm).
C.	Basis of Design: Richcliff; as manufactured by Unilock.
1.	Color: Smoke Shale.
2.	Color: Dawn Mist.
3.	Color: Pebble Taupe.
4.	Color: To be selected by Architect.
5.	Color: _____.
6.	Finish: Reala Flagstone.
7.	Thickness: 2.375 inches (60 mm).
8.	Sizes:
a.	Large Rectangle: 20.75 x 11.875 inches (528 x 302 mm).
b.	Random Bundle: (the following sizes sold together in one bundle)
c.	Rectangle: 11.75 x 8.875 inches (300 x 226 mm).
d.	Small Rectangle: 8.875 x 5.875 inches (226 x 150 mm).
e.	Square: 8.875 x 8.875 inches (226 x 226 mm).
D.	Basis of Design: Town Hall; as manufactured by Unilock.
1.	Color: Burgundy Red.
2.	Color: Burnt Clay.
3.	Color: Old Oak.
4.	Color: Basalt.
5.	Color: Heritage Red.
6.	Color: Heritage Clay.
7.	Color: To be selected by Architect.
8.	Color: _____.
9.	Finish: Reala Cobblestone, timeworn finish.
10.	Size: 9.875 x 3.875 x 2.75 inches (250 x 100 x 70 mm).
E.	Basis of Design: Umbriano; as manufactured by Unilock.
1.	Color: Midnight Sky.
2.	Color: Winter Marvel.
3.	Color: Summer Wheat.
4.	Color: French Grey.
5.	Color: To be selected by Architect.
6.	Color: _____.
7.	Edge Detail: Smooth - Zero Bevel.
8.	Finish: Umbriano.
9.	Sizes:
a.	Square: 23.625 x 23.625 x 2.75 inches (600 x 600 x 70 mm).
b.	Rectangular: 11.75 x 23.625 x 2.75 inches (300 x 600 x 70 mm).
c.	Square: 15.75 x 15.75 x 2.75 inches (400 x 400 x 70 mm).
d.	Rectangular: 15.75 x 7.875 x 2.75 inches (400 x 200 x 70 mm).
e.	Square: 7.875 x 7.875 x 2.75 inches (200 x 200 x 70 mm).
f.	Rectangular: 7.875 x 15.75 x 2.75 inches (200 x 400 x 70 mm).
g.	Beacon Hill Platform Random Bundle: (the following units are sold together)
1)	Large Rectangle: 20.625 x 13.75 x 2.375 inches (525 x 350 x 60 mm).
2)	Small Rectangle: 6.875 x 13.75 x 2.375 inches (175 x 350 x 60 mm).
3)	Square: 13.75 x 13.75 x 2.375 inches (350 x 350 x 60 cm).
h.	Beacon Hill Platform Random Bundle: (the following units are sold together)
1)	Large Rectangle: 20.625 x 13.75 x 3.125 inches (525 x 350 x 80 cm).
2)	Small Rectangle: 6.875 x 13.75 x 3.125 inches (175 x 350 x 80 cm).
3)	Square: 13.75 x 13.75 x 3.125 inches (350 x 350 x 80 cm).
F.	Basis of Design: Series; as manufactured by Unilock.
1.	Color: Black Granite.
2.	Color: To be selected by Architect.
3.	Color: _____.
4.	Finish: Series.
5.	Finish: _____.
6.	Sizes:
a.	Rectangular: 7.875 x 3.875 x 2.75 inches (200 x 100 x 70 mm).
b.	______
G.	Basis of Design: Il Campo; as manufactured by Unilock.
1.	Color: Dark Charcoal
2.	Color: To be selected by Architect.
3.	Color: _____.
4.	Finish: Il Campo.
5.	Finish: _____.
6.	Sizes:
a.	Rectangular: 7.875 x 3.875 x 2.75 inches (200 x 100 x 70 mm).
b.	_____.
H.	Basis of Design: Hollandstone; as manufactured by Unilock.
1.	Color: Granite.
2.	Color: Terra Cotta.
3.	Color: Rustic Red.
4.	Color: Sierra.
5.	Color: To be selected by Architect.
6.	Color: _____.
7.	Finish: Standard.
8.	Finish: _____.
9.	Sizes: 7.875 x 3.875 x 2.375 inches (200 x 100 x 60 mm).
I.	Basis of Design: Beacon Hill Flagstone; as manufactured by Unilock.
1.	Color: Tuscany.
2.	Color: To be selected by Architect.
3.	Color: _____.
4.	Finish: Flagstone Premier.
5.	Sizes:
a.	XL Unit: 20.875 x 28.3 x 2.375 inches (530 x 720 x 60 mm). (CDA only)
b.	XL Unit: 20.875 x 34.625 x 2.375 inches (530 x 880 x 60 mm). (USA only)
c.	Beacon Hill Platform Random Bundle: (the following units are sold together)
d.	Large Rectangle: 21.25 x 14.125 x 2.375 inches (540 x 360 x 60 mm).
e.	Small Rectangle: 7.125 x 14.125 x 2.375 inches (180 x 360 x 60 mm).
f.	Square: 14.125 x 14.125 x 2.375 inches (360 x 360 x 60 mm).
g.	_____.
J.	Basis of Design: Beacon Hill Smooth; as manufactured by Unilock.
1.	Color: Opal
2.	Color: To be selected by Architect.
3.	Color: _____.
4.	Finish: Smooth Premier.
5.	Sizes:
a.	Beacon Hill Platform Random Bundle (the following units are sold together)
1)	Large Rectangle: 21.25 x 14.125 x 2.375 inches (540 x 360 x 60 mm).
2)	Small Rectangle: 7.125 x 14.125 x 2.375 inches (180 x 360 x 60 mm).
3)	Square: 14.125 x 14.125 x 2.375 inches (360 x 360 x 60 mm),
4)	______.
K.	Basis of Design: Tribeca Cobble; as manufactured by Unilock.
1.	Color: Crystalline Basalt.
2.	Color: Peppered Granite.
3.	Color: To be selected by Architect.
4.	Color: _____.
5.	Finish: Series.
6.	Sizes:
a.	Tribeca Cobble Platform Random Bundle: (the following units are sold together)
1)	Large Rectangle: 12 x 5.125 x 2.75 inches (305 x 130 x 70 mm).
2)	Rectangle: 14.125 x 5.125 x 2.75 inches (230 x 130 x 70 mm).
3)	Small Rectangle: 6.875 x 5.125 x 2.75 inches (175 x 130 x 70 mm).
L.	Basis of Design: _____; as manufactured by Unilock.
1.	Color: To be selected by Architect.
2.	Color: _____.
3.	Finish: _____.
4.	Sizes:
a.	_____.
b.	_____.
2.4	PERMEABLE PAVERS
A.	Basis of Design: Eco-Optiloc; as manufactured by Unilock.
1.	Color: Natural.
2.	Color: _____
3.	Color: To be selected by Architect.
4.	Color: _____.
5.	Finish: Standard.
6.	Finish: Series.
7.	Finish: Il Campo.
8.	Finish: Smooth Premier.
9.	Edge: Chamfer, 1/8 inch (3 mm) bevel.
10.	Size and Shape: L-shape, 10.25 x 10.25 x 3.125 inches (260 x 260 x 80 mm).
B.	Basis of Design: Eco-Priora; as manufactured by Unilock.
1.	Color: To be selected by Architect.
2.	Color: _____.
3.	Finish: Standard.
4.	Finish: Smooth Premier.
5.	Finish: Il Campo.
6.	Finish: Series.
7.	Finish: Umbriano.
8.	Edge: Chamfer, 1/8 inch (3 mm) bevel.
9.	Sizes:
a.	Square: 100 X 100: 9.5 x 9.5 x 3.125 inches (240 x 240 x 80 mm).
b.	Rectangular: 5 X 10: 9.5 x 4.75 x 3.125 inches (240 x 120 x 80 mm).
c.	Square: 5 X 5: 4.75 x 4.75 x 3.125 inches (120 x 120 x 80 mm). 
C.	Basis of Design: Ecoloc as manufactured by Unilock.
1.	Color: _______.
2.	Finish: Standard.
3.	Finish: Smooth Premier.
4.	Finish: Il Campo.
5.	Finish: Series.
6.	Finish: Umbriano.
7.	Edge: Chamfer, 1/8 inch (3 mm) bevel.
8.	Size: 9 x 9 x 3.125 inches (229 x 229 x 80 mm).
D.	Basis of Design: Eco-Line; as manufactured by Unilock.
1.	Color: __________
2.	Finish: Standard.
3.	Finish: Smooth Premier.
4.	Finish: Il Campo.
5.	Finish: Series.
6.	Finish: Umbriano.
7.	Edge: Chamfer, 1/8 inch (3 mm) bevel.
8.	Sizes: 
a.	Eco-Line Platform Random Bundle (the following units are sold together)
1)	Unit A: 14 x 3.25 x 3.875 inches (357 x 84 x 100 mm).
2)	Unit B: 12.5 x 3.25 x 3.875 inches (317 x 84 x 100 mm).
3)	Unit C: 10.875 x 3.25 x 3.875 inches (277 x 84 x 100 mm).
4)	Unit D: 9.375 x 3.25 x 3.875 inches (237 x 84 x 100 mm).
5)	Unit E: 14 x 4.5 x 3.875 inches (357 x 114 x 100 mm).
6)	Unit F: 12.5 x 4.5 x 3.875 inches (317 x 114 x 100 mm).
7)	Unit G: 10.875 x 4.5 x 3.875 inches (277 x 114 x 100 mm).
8)	Unit H: 9.375 x 4.5 x 3.875 inches (237 x 114 x 100 mm)
E.	Basis of Design: Eco-Promenade; as manufactured by Unilock.
1.	Color: ___________.
2.	Finish: Standard.
3.	Finish: Smooth Premier.
4.	Finish: Il Campo.
5.	Finish: Series.
6.	Finish: Umbriano.
7.	Edge: Chamfer, 1/8 inch (3 mm) bevel.
8.	Size: 11.75 x 3 x 3.875 inches (300 x 75 x 100 mm).
F.	Basis of Design: Town Hall; as manufactured by Unilock.
1.	Color: Burgundy Red.
2.	Color: Burnt Clay.
3.	Color: Old Oak.
4.	Color: Basalt.
5.	Color: Heritage Red.
6.	Color: Heritage Clay. 
7.	Color: To be selected by Architect.
8.	Color: _____.
9.	Finish: Reala Cobblestone, timeworn finish.
10.	Edge: Chamfer, 1/8 inch (3 mm) bevel.
11.	Size: 9.875 x 3.875 x 2.75 inches (250 x 100 x 70 mm).
G.	Basis of Design: Tribeca Cobble; as manufactured by Unilock.
1.	Color: Crystalline Basalt.
2.	Color: Peppered Granite.
3.	Color: To be selected by Architect.
4.	Color: _____.
5.	Finish: Washed.
6.	Edge: Chamfer, 1/8 inch (3 mm) bevel.
7.	Sizes:
a.	Tribeca Cobble Platform Random Bundle (the following units are sold together):
1)	Large Rectangle: 12 x 5.125 x 2.75 inches (305 x 130 x 70 mm).
2)	Rectangle: 14.125 x 5.125 x 2.75 inches (230 x 130 x 70 mm).
3)	Small Rectangle: 6.875 x 5.125 x 2.75 inches (175 x 130 x 70 mm).
4)	Curb: 11.375 x 9 x 3.875 inches (290 x 230 x 100 mm).
H.	Basis of Design: _____; as manufactured by Unilock.
1.	Color: To be selected by Architect.
2.	Color: _____.
3.	Finish: _____.
4.	Edge: ______.
5.	Sizes:
a.	_____.
b.	_____.
2.5	JOINT SAND
A.	Natural Joint Sand.
1.	Washed, clean, non-plastic, free from deleterious or foreign matter, symmetrically shaped, natural or manufactured from crushed rock.
2.	Do not use limestone screenings, stone dust, or sand for the Joint Sand material that does not conform to conform to the grading requirements of ASTM C33.
3.	Utilize sands that are as hard as practically available where concrete pavers are subject to vehicular traffic.
4.	Gradation Requirements per ASTM C144. Percent Passing Sieve Size:
a.	No. 4 (4.75 mm): 100 percent.
b.	No. 8 (2.36 mm): 95 to 100 percent.
c.	No. 16 (1.18 mm): 70 to 100 percent.
d.	No. 30 (0.600 mm): 40 to 75 percent.
e.	No. 50 (0.300 mm): 10 to 30 percent.
f.	No. 100 (0.150 mm): 2 to 15 percent.
g.	No. 200 (0.075 mm): 0 to 1 percent.
B.	Polymeric Joint Sand: Dry mix, contains polymeric binding agent, activated with water.
1.	Products:
a.	Techniseal RG+.
b.	Unicare HP Polymeric Max Sand.
2.	Color: Grey.
3.	Color: Tan.
4.	Color: To be selected by Architect.
5.	Color: _____.
6.	Compression Strength: Proven resistance to compression of 550 PSI after drying for 7 days under controlled conditions of 73 degrees F (23 degrees C) at 50 percent humidity.
a.	Test Sand Sample Shape: Cylinder; 2 inch (50 mm) dia. x 4 inch (100 mm) high.
7.	Gradation Requirements per ASTM C144. Percent Passing Sieve Size:
a.	No. 4 (4.75 mm): 100 percent.
b.	No. 8 (2.36 mm): 95 to 100 percent.
c.	No. 16 (1.18 mm): 70 to 100 percent.
d.	No. 30 (0.600 mm): 40 to 75 percent.
e.	No. 50 (0.300 mm): 20 to 40 percent.
f.	No. 100 (0.150 mm): 10 to 25 percent.
g.	No. 200 (0.075 mm): 0 to 10 percent.
2.6	PERMEABLE JOINT OPENING AGGREGATE
A.	Permeable Joint Opening Aggregate: Conforming to ASTM C33.
1.	Provide washed, clean aggregates having zero plasticity, free from deleterious or foreign matter, crushed, angular rock and contain no No. 200 sieve size aggregate materials.
2.	Gradation Requirements per ASTM D448 No. 8. Percent Passing Sieve Size:
a.	1/2 inch (12.5 mm): 100 percent.
b.	3/8 inch (9.5 mm): 85 to 100 percent.
c.	No. 4 (4.75 mm): 10 to 30 percent.
d.	No. 8 (2.36 mm): 0 to 10 percent.
e.	No. 16 (1.18 mm): 0 to 5 percent.
B.	Permeable Joint Opening Aggregate: Granite chips conforming to ASTM C33.
1.	Provide washed, clean aggregates having zero plasticity, free from deleterious or foreign matter, crushed, angular rock and contain no No. 200 sieve size aggregate materials.
2.	Supplier:
a.	Kafka Granite LLC; 101 S. Weber Ave; Stratford, WI 54484; 800-852-7415.
b.	Alliance Aqua-Roc.
c.	SEK Perm Chip.
3.	Color: _____.
4.	Gradation Requirements: Percent Passing Sieve Size:
a.	1/4 inch (6 mm): 97 to 100 percent.
b.	No. 4 (4.75 mm): 70 to 83 percent.
c.	No. 8 (2.36 mm): 37 to 50 percent.
d.	No. 16 (1.18 mm): 0 to 12 percent.
2.7	SETTING BED SAND
A.	Setting Bed Sand.
1.	Washed, clean, non-plastic, free from deleterious or foreign matter, symmetrically shaped, natural or manufactured from crushed rock.
2.	Do not use limestone screenings, stone dust, or sand for the Joint Sand material that does not conform to conform to the grading requirements of ASTM C33.
3.	Do not use mason sand or sand conforming to ASTM C144.
4.	Utilize sands that are as hard as practically available where concrete pavers are subject to vehicular traffic.
5.	Gradation Requirements per ASTM C33. Percent Passing Sieve Size:
a.	3/8 inch (9.5 mm): 100 percent.
b.	No. 4 (4.75 mm): 95 to 100 percent.
c.	No. 8 (2.36 mm): 85 to 100 percent.
d.	No. 16 (1.18 mm): 50 to 85 percent.
e.	No. 30 (0.600 mm): 25 to 60 percent.
f.	No. 50 (0.300 mm): 10 to 30 percent.
g.	No. 100 (0.150 mm): 2 to 10 percent.
h.	No. 200 (0.075 mm): 0 to 1 percent.
2.8	PERMEABLE SETTING BED AGGREGATE
A.	Permeable Setting Bed Aggregate: Conforming to ASTM C33.
1.	Provide washed, clean aggregates having zero plasticity, free from deleterious or foreign matter, crushed, angular rock and contain no No. 200 sieve size aggregate materials.
2.	Gradation Requirements per ASTM D448 No. 8. Percent Passing Sieve Size:
a.	1/2 inch (12.5 mm): 100 percent.
b.	3/8 inch (9.5 mm): 85 to 100 percent.
c.	No. 4 (4.75 mm): 10 to 30 percent.
d.	No. 8 (2.36 mm): 0 to 10 percent.
e.	No. 16 (1.18 mm): 0 to 5 percent.
2.9	BASE AGGREGATE
A.	As specified in Section 31 20 00 - Earth Moving.
B.	As specified in Section 03 30 00 - Cast-in-Place Concrete.
C.	Provide Base Aggregate conforming to ASTM D2940. Passing Sieve Size:
1.	2 inch (50 mm): 100 percent.
2.	1-1/2 inch (37.5 mm): 95 to 100 percent.
3.	3/4 inch (19 mm): 70 to 92 percent.
4.	3/8 inch (9.5 mm): 50 to 70 percent.
5.	No. 4 (4.75 mm): 35 to 55 percent.
6.	No. 30 (0.600 mm): 12 to 25 percent.
7.	No. 200 (0.075 mm): 0 to 8 percent.
2.10	PERMEABLE BASE AGGREGATE
A.	Permeable Base Aggregate: Conforming to ASTM C33.
1.	Provide washed, clean aggregates having zero plasticity, free from deleterious or foreign matter, crushed, angular rock and contain no No. 200 sieve size aggregate materials.
2.	Gradation Requirements per ASTM D448 No. 57. Percent Passing Sieve Size:
a.	1-1/2 inch (37.5 mm): 100 percent.
b.	1 inch (25 mm): 95 to 100 percent.
c.	1/2 inch (12.5 mm): 25 to 60 percent.
d.	No. 4 (4.75 mm): 0 to 10 percent.
e.	No. 8 (2.36 mm): 0 to 5 percent.
2.11	SUBBASE AGGREGATE
A.	Provide subbase aggregate as specified by the Structural Engineer.
B.	As specified in Section _____.
C.	Gradation Requirements: Passing Sieve Size:
1.	_____.
2.	_____.
3.	_____.
2.12	PERMEABLE SUBBASE AGGREGATE
A.	Permeable Base Aggregate: Conforming to ASTM C33.
1.	Provide washed, clean aggregates having zero plasticity, free from deleterious or foreign matter, crushed, angular rock and contain no No. 200 sieve size aggregate materials.
2.	Gradation Requirements per ASTM D448 No. 2. Percent Passing Sieve Size:
a.	3 inch (75 mm): 100 percent.
b.	2-1/2 inch (63 mm): 90 to 100 percent.
c.	2 inch (50 mm): 35 to 70 percent.
d.	1-1/2 inch (37.5 mm): 0 to 15 percent.
e.	3/4 inch (19 mm): 0 to 5 percent.
2.13	GEOTEXTILE
A.	Performance Requirements:
1.	Grab Tensile Strength (ASTM D4632): 115 pounds (511.5 N).
2.	Grab Tensile Elongation (ASTM D4632): 50 percent.
3.	Trapezoidal Tear (ASTM D4533): 50 pounds (222.4 N).
4.	Puncture (ASTM D4833): 65 pounds.
5.	Apparent Opening Size (ASTM D4751): 0.008 inch (0.212 mm), 70 U.S. Sieve.
6.	Permittivity (ASTM D4491): 2.0 sec -1.
7.	Flow Rate (ASTM D4491): 140 gal per min per sf (1630 L per min per sq m)
B.	Geotextile Material: 4 ounce, non-woven, needle punched geotextile composed of 100 percent polypropylene staple fibers that are inert to biological degradation and resists naturally encountered chemicals, alkalis, and acids.
C.	Products:
1.	Carthage Mills FX-40HS.
2.	U.S. Fabrics US 115NW.
3.	Mirafi 140N.
2.14	EDGE RESTRAINTS
A.	Concrete Edge Restraint: As indicated on Drawings.
B.	Plastic Edge Restraints:
1.	Pave Tech Pave Edge Rigid.
2.	Pave Tech Pave Edge Flexible.
3.	Pave Tech Pave Edge Industrial.
4.	Snap Edge One Piece Edging: 96 inches (2438 mm).
C.	Metal Edge Restraints:
1.	Permaloc Aluminum, Model No. _____.
2.15	ACCESSORIES
A.	Cleaners: _____.
B.	Sealers: _____.
C.	Joint Sand Stabilizers: _____.
PART 3    EXECUTION
3.1	EXAMINATION
A.	Do not begin installation until substrates have been properly constructed and prepared.
B.	If substrate preparation is the responsibility of another installer, notify Architect in writing of unsatisfactory preparation before proceeding.
3.2	PREPARATION
A.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
B.	Prevent damage to underdrain pipes, overflow pipes, observation wells, or inlets and other drainage appurtenances during installation.
3.3	INSTALLATION
A.	Install in accordance with manufacturer's instructions, approved submittals and in proper relationship with adjacent construction.
1.	Provide edge restraints as indicated.
2.	Provide separation geotextile on bottom and sides of prepared subgrade. Secure in place to prevent wrinkles and folds. Overlap edges minimum of 18 inches (450 mm) in direction of drainage.
3.	Provide base and subbase indicated. Compact and provide to tolerances as recommended by paver manufacturer.
4.	Provide and spread setting bed as recommended by paver manufacturer.
5.	Mix concrete pavers from a minimum of three bundles to produce uniform blend of colors and textures.
6.	Lay concrete pavers to pattern indicated.
7.	Provide spacing recommended by paver manufacturer.
8.	Cut pavers as recommended by manufacturer.
9.	Vibrate pavers to leveling course as recommended by manufacturer.
10.	Spread joint material and vibrate until joints are completely filled.
11.	Apply sealer in accordance with sealer and paver manufacturer recommendations after cleaning products.
3.4	FIELD QUALITY CONTROL
A.	Verify final elevations for conformance to the Drawings.
1.	Prevent finished grade elevations from deviating more than 3/8 inch (10 mm) under a 10 foot (3 m) straightedge or indicated slope.
3.5	Lippage, Paver-to-Paver: No greater than 1/8 inch (3 mm) difference in height between adjacent pavers.CLEANING AND PROTECTION
A.	Prevent traffic on pavers until joint material is vibrated into joints.
B.	Clean products in accordance with the manufacturers recommendations. 
C.	Touch-up, repair or replace damaged products before Substantial Completion.
3.6	MAINTENANCE
A.	Remove all debris from joint and provide additional Permeable Joint Aggregate material after 120 days and before 150 days after date of Substantial Completion.
B.	Fill Permeable Joint Aggregate material full to the lip of the paver. 
C.	Annual Maintenance:
1.	Annually inspect Permeable Joint Aggregate material for areas clogged with debris.
2.	Vacuum or sweep as necessary to restore surface infiltration.
3.	Replenish removed Permeable Joint Aggregate material with clean aggregate material flush to paver lip.
4.	Sweep excess material from paver surface.

END OF SECTION