HomeMy WebLinkAbout2070-5GENERAL.NOTES' NOTE FOR REINFORCED CONCRETE
GENERAL: 1. All workmanship and materials shall conform to latest
applicable edition of ASTM standards.
I All work shall conform to the requirements of the Uniform
Building Code, latest edit:�oh, and all - other applicable 2. Portland Cement shall conform to ASTM Std. C-150 for Types
requirements, orders, ordinances and regulations. I, II, and III Portland Cement.
2. he contractbr shall verify all dimensions and conditions at 3. Reinforcing steel shall conform to:
The site.
a) ASTM Std. A615 Grade 40 for deformed bars Fy=40000 psi.
notes shall be used whenever applicable. 4. Concrete agg1ragate shall conform to ASTM Std. C-33.
3. Unlest shown or noted otherwise, typical details and general
4. Unless specifically detailed on these drawings, contractor 5. Unless otherwise noted, all concrete for continuous
shall furnish adequate shoring, bracing, etc. as required to +-ootings shall be F'c=2000 psi at 28 days.
safely execute all work, and shall be fully responsible for
.same. 6. Unless otherwise noted concrete for 2 ft diameter piles
shall be F'c=3000 psi at 28 days.
5. Copies a+ all inspection reports, test results, etc. shall
be sent to the STRUCTURAL ENGINEER. 7. Making and curing concrete _t__es� cylinders in the field
shall conform to ASTM C31-69.
8. All concrete with specified ultimate compressive strength in
FOUNDATION: excess a+ 2000 psi, shall be placed under the continuous
1 investigation report supervision a+ a registered deputy inspector, certified by
1 Foundation design is based on Sol the governing Department of Building and Safety.'
prepared by Gtc5k.455- ',4tSTLAKC_ vtLLAgF_ -dated 21!>. 1110
9. Water for Mixing concrete shall be taken from a potable
2. Soil report is a part of the plans. source distributed for domestic purposes and shall be free
from materials that may be deleterious to the concrete or
reinforcing steel.
10. Concrete shall be deposited in it's final position within 30
RETAINING WALL GENERAL NOTES
minutes after discharge from any mixer. Concrete shall not
1. All masonry units shall conform to ASTM STD C-90, for grade be dropped from a height more than 3'-0". The concrete shall
N.
be compacted during placing with approved vibrating
equipment.
2. All concrete shall be 2000 psi at 28 days. 0,0,<:>
1
11. All concrete shall be kept continously moist by wetting for
3. All reinforcing shall conform to ASTM STD A -615 -GRD. 40 a minimum period of ten days, or sealing the surface by
non -staining curing compounds with current ICBO approval.
4. Mortar proportions; type S I part Portland Cement Type I No curing compound shall be used on surfaces where future
1/2 part lime putty blending with concrete or painting it specified or required.
4 parts sand
12. No two grades of concrete shall be placed on the job site at
the same time.
5. Grout proportions; 1 part Portland Cement Type I
3 parts sand
1/10 part lime putty 13. Unless noted on the plans, the +allowing minimum clearances
shall apply:
6.
Grout strength to be 2000 psi at 28 days.
a) Concrete deposited against earth----� --- 311
7. Vertical reinforcement shall be held in place at top and
nforcing shall be accurately
bottom and at intervals not exceeding 192 bar diameters. 14. Rei' placed and adequately
supported by concrete, metal, or- other 'approved chairs,
spacers or ties against displacement within the tolerances
8. Concrete block shall have running bond.
permitted.
9. All concrete block units shall have vertical continuity of
f
cells unobstructed. 15. All ready -mixed concrete shall conform to, ASTM Std. C-94. 1
concrete used is other
than ready -mixed, the concrete
10. Safe bearing capacity a+ the soil shall not be less than quality shall conform to ACI 3le-83, chapter four (4).
psf.
16. All reinforcement shall be positioned in the concrete per
11. Safe lateral bearing capacity of the soil shall not be less the dimensions shown on the plans.
than 400 psf/ft a+ depth.
.17. Splices in reinforcement shall occur only where shown on
plans.
12. Safe lateral active pressure shall not exceed psf/+t.
18. All bars shall be bent cold. No bars partially embedded in
13. 44as6hr-k:W_lls'1teater'th&n 501 In len th shall have vertical concrete shall be field bent except as specifically approved
9 by the engineer.
0�cp hsion er iftts shall be tongue and
a joints at 251 on cent joI_
-shall be discontinuous
jbvd, 4 -�h-Izontal reinfdrd6mefit 19. Metal reinforcement shall be free a+ loose flaky rust,
v4, or.
'thtou- thd joint. joints shall extend from the top -of footing mud,
h oil, and other coatings that will reduce bond.
9
.to, the to of wall. At expansion joints in retaining walls.,
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the in'side f ace (soil aide) of - the joints should be coated
wi'th, a mastic seal to prevdnt water seepage thr6ugh the joint.
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