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6'-8" to 8'-8" HIGH

FOR 70 & 80 MPH EXPOSURE C WIND CONDITIONS

MIN. FOOTING DEPTH FOR 7' TO DAYLIGHT

SLOPE WALL @ TOP 3'-6" 2'-4" WALL @ 1 FT. SETBACK 3'-0" 2'-0" WALL @ 2 FT. SETBACK 2'-6"

16" SQ. PILASTER

DESIGN CRITERIA: 1. ALLOWABLE SOIL BEARING PRESSURE = 1500 PSF +INCR FOR WIDTH & WIND OR SEISMIC LOADING 2. ALLOWABLE LATERAL PASSIVE PRESSURE = 150 PCF 3. CONCRETE/GROUT STRENGTH = 2000 PSI @ 28 DAYS. 4. REINFORCING STEEL : GRADE 40 FOR #4 BARS AND SMALLER & GRADE 60 FOR #5 AND LARGER 5. SEISMIIC - ZONE 4, SEE BELOW FOR PROXIMITY TO SOURCE. 6. 1500 PSI MASONRY COMPRESSION STRENGTH. HALF STRESSES USED - NO SPECIAL INSPECTION REQD.

NOTES: 1. CONCRETE BLOCK SHALL CONFORM TO UBC STD. 21-4. ORCO STD. PRECISION, SPLIT FACE, OR SLUMPED BLOCK MAY BE USED.

2 TO 1 3 TO 1

OPTIONAL CAP

2. CONCRETE FOR FOOTING SHALL BE 1 PART CEMENT T 2-1/2 O PARTS SAND TO 3-1/2 P ARTS GRAVEL WITH A MAXIMUM OF 1-1/2 GALLONS OF WATER PER SACK. PORTLAND CEMENT SHALL CONFORM TO ASTM C 150 TYPE II/V. Fc = 2000 PSI 3. REINFORCING STEEL SHALL BE DEFORMED AND CONFORM TO ASTM A 615 GRADE 40 FOR #4 BARS AND SMALLER, GRADE 60 FOR #5 AND LARGER. PROVIDE 40 BAR DIAMETER LAP FOR GRADE 40 REBAR AND 48 BAR DIAMETER LAP FOR GRADE 60. 4. REBAR SHALL BE CENTERED IN THE CONCRETE BLOCK CELL IN WHICH IT IS LOCATED U.N.O.

16816 OR 16616 PILASTER CMU - SOLID GROUTED

(4) #4 VERT DROP-IN BARS

5. CONCRETE BLOCK SHALL BE LAYED IN A RUNNING BOND PATTERN WITH VERTICAL CONTINUITY OF THE CELLS UNO. 6. ALL BLOCK CELLS CONTAINING VERTICAL REBAR SHALL BE SOLID GROUTED. 7. USE OBP TYPE S MORTAR PROPORTIONED USING UBC T ABLE NO. 21-A. 1 PART CEMENT TO 1/2 P ART LIME TO 4-1/2 PARTS DAMP , LOOSE SAND. 8. GROUT FOR CONCRETE BLOCK TO BE 1 PART CEMENT TO 3 PARTS SAND (GROUT MAY CONT AIN 2 PARTS 3/8" PEA GRA VEL IF WEATHER CONDITIONS ARE FA VORABLE AND BLOCK UNOBSTRUCTED CELL SIZE IS SUFFICIENT TO ALLOW GOOD GROUT FLOW). W ATER SHALL BE ADDED TO PRODUCE GOOD GROUT FLOW WITHOUT SEGREGATION OF THE CONSITUENTS. 9. BLOCK STEM MAY BE WET-SET 1-1/2" INTO THE FOOTING WHILE THE CONCRETE IS PLASTIC. 10. FOOTING MUST BE POURED ON OR INTO UNDISTURBED NATURAL SOIL OR ON COMP ACTED FILL WITH A MINIMUM COMPACTION OF 90%.

6'-8", 7'-4", 8'-8" MAX.

3-1/2" CLR.

(4) #4 DOWELS W/ 24" MIN. EXTENSION INTO CMU.

11. FIRST INSPECTION TO BE AFTER FOOTING TRENCHES ARE READY FOR CONCRETE AND ALL REQUIRED STEEL IS TIED IN PLACE. SECOND INSPECTION TO BE WHEN THE REQUIRED VERTICAL IS IN PLACE AND THE BLOCK PILASTER IS READY TO GROUT . 12. SEISMIC GOVERNS THE DESIGN OF PILASTERS. FOR PILASTER DESIGNS FOR SITES THAT ARE CLOSER T ACTIVE FAULTS, PLEASE O CONTACT YOUR LOCAL ORCO REPRESENT ATIVE. 13. PROVIDE AN EXPANSION/CONTROL JOINT AT EACH SIDE OF PILASTER WHERE INTERSECTING BLOCK WALLS OCCUR.

EQUAL 4" MIN.

EQUAL

2 1 SEE CHART FOR 7' TO DAYLIGHT MAX.

1'-0" MIN.

#4 HORZ - 20" LONG E.W. @ PAIR OF #4 DOWELS

7' TO DAYLIGHT 3" CLR SEE CHART FOOTING WIDTH 'W'

PR

OFESSION

TIMO

6'-8" 2'-4"

REGIS

TYPE OF EARTHQUAKE FAULT & SITE PROXIMITY FROM FAULT 5 Km FROM TYPE B FAULT & 10 Km FROM TYPE A FAULT. 2 Km FROM TYPE B FAULT & 5 Km FROM TYPE A FAULT.

E

SQ. FOOTING WIDTH 'W'

TE

D

Y TH

R

S. M

AL

EN

A

GI

LL

7'-4" 2'-6"

8'-8" 3'-0"

NEER

IS

C31925 Exp. 12-31-2004

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OR

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2'-9"

3'-0"

3'-6"

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Information

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