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STANDARD SPECIFICATIONS
concrete shall be used for the construction of curbs, sidewalks, driveway gutters, catch basins, and local depressions. Concrete Materials for Mixing at Job Site: Portland cement concrete shall consist of Portland cement (delivered in original sacks), washed concrete sand, and washed and graded screened gravel and/or crushed rock.
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03/27/2020 - Los Angeles
eng2.lacity.orgcurb ramp 2'-0" min ecr bcr edge of curb ramp crosswalk crosswalk marking (typ.) flowline flowline retaining curb 0.5% - 2% y 6" x e sidewalk 5 curb ramp grade break 5%-2% 1'-0" radius 3'-0" active vehicle travel lanes min pl flowline back of street curb at freeway ramp (if applicable) non-accessible route pl 10% max pl w integral curb and ...
D-LOADS FOR REINFORCED CONCRETE PIPE WITHOUT BELLS ...
eng2.lacity.org2. For intermediate cover values, use the higher D-Load Soil Unit Weight (w) = 120 p.c.f; 6. For pipe sizes greater than 108", covers greater than 30', the Structural Engineering Division. of the two adjacent covers. Soil Friction Coefficient: railroad loading, heavy construction loads, or …
TABLE OF CONTENTS GENERAL DESIGN ( G 100 )
eng2.lacity.orgTABLE OF CONTENTS GENERAL DESIGN ( G 100 ) SECTION NO. SUBJECT DATE G 110 POLICY June, 1968 G 111 Extent of Relief June, 1969 G 112 Drainage Facilities "G 120 DESIGN PRACTICES June, 1968 G 121 Work by Others "
APPENDIX A FORMULAE AND SAMPLE CALCULATIONS
eng2.lacity.orgallowable tensile stress of 1000 psi provides a design factor of approximately 3 ... Where L = pulling length (feet) f = friction coefficient (0.5) Sample Calculations: 1. 1000 feet of 12 inch, SDR 26 is being pulled over smooth ground with a 5o slope.
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