STANDARD SPECIFICATION FOR HARDROCK CONCRETE UNITS
KNOWN AS CALIFORNIA
ARCHITECTURAL PAVERS (C.A.P.S.)
SCOPE:
CALIFORNIA ARCHITECTURAL PAVERS AS MANUFACTURED BY STEPSTONE, INC. IN SIZES AS SPECIFIED
ON ARCHITECTURAL DRAWINGS IN ACCORDANCE WITH STEPSTONE,INC. STANDARD DIMENSIONS.
MATERIALS:
A. SPECIFICATIONS FOR CONCRETE AGGREGATES SHALL CONFORM TO
ASTM C-33
B. SPECIFICATIONS FOR PORTLAND CEMENT SHALL CONFORM TO ASTM C-150
CONCRETE STRENGTH:
THE AVERAGE CONCRETE TEST STRENGTH SHALL NOT BE LESS THAN 5,000 P.S.I. @ 28 DAYS WITH NO
INDIVIDUAL UNIT TO BE LESS THAN 4,500 P.S.I.
ABSORPTION:
THE AVERAGE ABSORPTION OF THE TEST SAMPLES SHALL NOT BE GREATER THAN 5% WITH NO INDIVIDUAL
UNIT GREATER THAN 7%.
PERMISSIBLE VARIATIONS IN DIMENSIONS:
LENGTH OR WIDTH OF UNITS SHALL NOT DIFFER BY MORE THAN +/- 3/16 IN. FROM APPROVED SAMPLES.
HEIGHTS OF UNITS SHALL NOT DIFFER BY MORE THAN +/- 1/4 IN. FROM THE STANDARD DIMENSION.
THE SIDES OF THE PAVERS TO BE DRAFTED 1 1/2 DEGREES.
VISUAL INSPECTION:
ALL UNITS SHALL BE SOUND AND FREE OF DEFECTS THAT WOULD INTERFERE WITH THE PROPER PLACING
OF THE UNIT OR IMPAIR THE STRENGTH OR PERMANENCE OF THE CONSTRUCTION. MINOR CHIPPING
INCIDENTAL TO THE USUAL METHODS OF MANUFACTURE AND FROM THE CUSTOMARY METHODS OF HANDLING
IN SHIPMENT AND DELIVERY, SHALL NOT BE DEEMED GROUNDS FOR REJECTION. COLORS AND TEXTURE
MAY VARY SLIGHTLY DUE TO THE NATURAL MATERIALS USED IN THE MANUFACTURE OF THE PAVERS.
SAMPLING:
STEPSTONE, INC. WILL SUPPLY SAMPLES OF THE CAL. ARCH. PAVER UNITS TO THE CUSTOMER FOR
APPROVAL PRIOR TO THE START OF PRODUCTION. THE REASON FOR THIS IS TO DEMONSTRATE THE
SLIGHT VARIATIONS IN COLOR AND TEXTURE OF THE NATURAL MATERIAL.
INSTALLATION:
CAL ARCH. PAVER UNITS TO BE INSTALLED IN ACCORDANCE WITH STANDARD MASONRY PRACTICES.
CLASSIC WALKS SHOULD BE SAND SET OR MORTAR SET IN ACCORDANCE WITH USAGE REQUIREMENTS.
PAVERS TO HAVE UNIFORM BEARING AND SUPPORT. UNITS WILL BE INSTALLED LEVEL TO EACH OTHER.
JOINTS SHALL BE STRAIGHT AND EVEN, SPACED IN
ACCORDANCE WITH DESIGN REQUIREMENTS.
17025 S. MAIN ST. GARDENA, CA. 90248
(310)327-7474 FAX (310)327-0318
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