HomeMy WebLinkAbout4360-672-5 CONCRETED -ROCK S�OPE PROTECTION
72-5-01 Description.—This' work shall consist of placing revetment SECTION 72 SLOPE PROTECTION
ype concreted -rock courses on the slopes,
The rock sloPe Protection $hall 'be concreted as shown on the planu Rocks sball be so placed as to provide a minimum of voids and the
and as specified in these specifications and the special provisions. larger rocks shall be placed in the toe course and on the outside sur -
The size of the individual pieces of rock shall be as indicated in the face of the slope protection. The rock may be placed by dumping and
table in Section 72-5.02, "Materials," or as specified in the special provi- may be spread in layers by bulldozers or other suitable equipment.
sions. The classes of conereted-rock slope protection are indicated by the Local surface irregularities of the slope protection shall not vary
average size of the individual piece to be used and will be designated in from the planned slopes by more than one foot measured at right an -
the Engineer's Estimate as 1/2 ton, 1/4 ton, Light, Facing, and Cobble. gles to the slope.
72-5.02 Materials.—Tbe individual classes of rocks used in can- At the completion of slope protection work, the footing trench shall be
creted-rock slope protection sball conform tn the llnuAn "nInge A+6 e.11 A 14'L
wise specified in the special provisions or sho, b P 1p� U W excavatedmaterialandco pactionwinnotuerequirea, PIPE
wn on, the plans. 72-5.04 Placing Concrete. -The surfaces of the rock to be co*n-
GRADING OF CONCRETED -ROCK SLOPE PROTEOnON creted shall be cleaned of adhering dirt and clay and then moistened.
Percentage Larger Than* The concrete sliall be placed in a continuous operation for any day's run Brick laid lengthwise
Classee at any one location. Concrete shall be brought to the place of final de- and mortared
posit by use of chutes, tubes, or buckets, or may be placed by means of
Rock Size 112 Ton 114 Ton LiWht F<wing Colbbk pneumatic equipment or other mechanical methods. In no case shall
I Ton . ......... ............... 0-5 concrete be permitted to flow on the slope protection a distance in excess
112 Ton - ............. ........ 50 -loo o__5 of 10 feet.
200 Lb. _ ___'��Inide edge of R,C,P. groove
114 Ton.. ................ . ..... 50-100 0-5 - Immediately after depositing, the concrete shall be spaded and rodded 1'± Cement grout
. ........ ... _ ...... go -100 - 5D-100 0-5 -
76 Lb, . ..... _._ ............ - 90�400 9�400 50-100 0-5 into place with suitable spades, trowels or other approved means until capping at end of pipe SECTION or end of pipe( if broken)
25 Lb. _ .......... ......... - - 90-100 95-100 the minimum penetration is that shown in the table entitled "Grading of
Hnimuni Penetration Concreted -Rock Slope Protection" in Section 72-5.02, "Materials.'
of Concrete (inches) .,,. 18 14 10 8 6 After the concrete has been placed, the rocks sball be thoroughly
The vanount of material smaller than the smallest size listed in the brushed so that their top surfaces are exposed, The outer rocks shall D"
project 1/3 to 1/4 their diameter above the concrete surface. After com-
table for any class of concreted -rock slope protection shall not exceed pletion of any 10 -foot strip, no workman or load shall be permitted on
the peroentage limit listed in the table determined on a weight bases. -Cernent grout capping
Compliance with the percentage limit shown in the table for all,other the surface for a period of at least 24 hours, and longer it so ordered by
,d -rock slope protee
sizes ofthe individual pieces of any class of concrete the Enginee
-rock slope protection shall be cured as provided in Section
tion shall be determined by the ratio of the number of individual pieces Concreted
larger than the specified size compared to the total number of individ- 90-7, "Curing Concrete."
ual pieces larger than the smallest size listed in the table for that class. 72-5.05 MeasuremenL-Concreted-rock slope protection will be
The rocksball also conform to the following quality requirements: measured by the ton or cubic yard for the rock as designated in the Bn-
(72-6) Quantities of rack: to be paid for by the cubic yard will be determined
from the dimensions shown on the plans or the dimensions directed by
gineer's Estimate and by the cubic yard for the concrete.
the Engineer and rock placed in excess of these dimensions will not be
.......... . . paid for. Brick 13 mortar closure
Quantities of rock to be paid for �y the ton will be weighed in accor-
dance with the provisions in Section 9-1.01, "Measurement of Quanti-
ties." ELEVATION
Quantities of concrete to be paid for by the cubic yard will be mea-
sured at the mixer as provided in Section 90-11, "Measurement and
SLOPE PROTECTION Payment." PIPE CLOSURE -TYPE it B
SEMON 72 72-5.06, Payraent,-The contract price paid per cubic yard or per
ton for concreted -rook slope protection (the class of rock and method of (Brick and Mortar)
Tests California Placement to be designated in the Engineer's Estimate) and per cubic
Te8t Requirement,% yard for concrete (eoncreted-rock slope protection) shall include full com-
Apparent SPecfic Gravity, .................................. 206 2.5 min pensation for furnishing all labor, materials, tools, equipment, and inci- NOTE:
Absorption .. . ... _ ....... .............................. ____ 206 42% max,* ype "B" closure for "D" not forger than SAN BERNARDINO COUNTY
Durability Index-- .............. ............... ............ 229 52 Tnin.* 1. T FLOOD CONTROL DISTRICT
Coarse urlabilit Index (72-8) 36" unless approved or specified by the REVISIM OWW BY DATE
%Absorption + I Durability Absorption Ratio (DAR) Engineer.
Based On the formula contained herein, absorption may exceed 4.2 per� 2,See specifications foradditional information. C, L. 5-9-63
cent if DAR is greater than 10. Durability Index may be less than 52 if FILE NO.
DAR is greater than 24. S, R 176 A
Rocks, when conforming to the provisions in this Section 72-19; a5t SLOPE PROTECTION SECITON 72
be obtained from rock excavation of the roadway prism or other excava- dentals, and toy doing all the work involved in constructing the corii
tion being performed under the provisions of the contract, in accordance creted-rock slope Protection, complete in place, including excavation, an
with the provisions in Section 4-1.05, 'Use o.f.Materials Found on the backfilling footing trenches, as shown on the plans, and as specified in
Work." these specifications and the special provisions, and as directed by the
Rocks shall be of such shape as to form a stable protection structure of Engineer.
the required section. Flat or needle shapes will not be accepted unless
the thickness of the individual pieces is grea r than 1A, th� A
Concrete sh I be Class B concrete or minor concrete conforming to L LR WNGWALL
the provisions in Section 90, "Portland Cement. Concret,-,' using V max. L R 717 f - .',1 38 mm
E
combined aggregate and mixed as provided for structures. The water STIFFENER BAR F -::E I BARS 76 x 10 mm 2
content of the concrete shall be such as to Permit gravity flow into the in. ROUNDED
hall be that designated by the Engineer. (3" x 3/8") WELDED 38 Mrn
terstices with limited spading and brooming. The amount Of water used � �72 �nI2 X
n:
76 x 10 mm FMAXI SEE CASE A
ON BOTTOm OF RACK FOR DIMENSIONS (1 1/2-) 7TI71777'-
WEN Lg IMS 1.8 rn MM TYP
-Rock for concreted -rock slope protection (72") 0 ORE 1 1/4',
72-5.03 Placing Rock, 6 m 7�7P7�_
E
nated in the Brigineer's Estimate E
shall be placed in accordance with one of the following methods as desig HEADWALL "-#I 3M (#4)
AND WNGWALL--_-,C F1 '.�g V #10M (#3)CJ0
Method A Placement A41:L 6 MM 610 nim (24"),
75 mm (3")
A footing trench shall be exe typ
I OUTLET E >
on the plans. avated along the toe of slope as shown -H 5 C:7-, LJ TLE T 0 F_ MIN COVER
tq�i �a C4
—CCFNDUIT CONDUIT aECTION C -C SECTION D -D
305 mm
K,�e W 0
ooting trench, 0-1 Q�
The larger rocks shall be placed in the f I
Rocks shall be placed with their lo - - - - - - 4 (12") MIN
ngitudinal axis normal to the I
embankment face and arranged so that each rock above the founda-
tion course has a 3 -point bearing on the underlying rocks. Foundation
DETAIL E,
course is the course placed on the Slope in contact with the ground BOLTS PER NOTE 5 E 9: SHEET 2
SLOT11-:D HOLE
surface. Bearing on smaller rocks which may be used for chinking
0 t PER DETAIL F
IW
voids will not be acceptable. Placing of rocks by dumping will not be �, I
permitted. PLAN EX OR PROP W
CASE A CASE B $LOPE (4")
LOCal surface irregularities of the slope protection shall not vary � M r - PLAN
nm fka 1 .4 7 FLEVATION 15 MM
P-4- SOPeDymorethanone ot measured at right an,
gles to the slope, 14 1
Method B Placement SEE SECT C -C, SHEET 2
A tooting trench sh I be excavated along the toe of the slope as STIFFENER (VMEN REVD) PCC SUPPORT
shown on the plans. I -T- BARS 76 x 10 mm "__00 DETAIL E
(,31IX3/811) Typ ____�,,TOP OF CHANNEL
HEADWALL-,,r-1-.,�1f.
k
Mrn (5/16") R
(72-7) SEE SECT D -D. E _25 --ma- THREADED ROC
E (I") MIN- A3 x 175 mm
I SHEET 2 (1 /2" x 7")
-Cpoxy
SECTION
PCC SUPPORT 7�rt7
t_J USE ONLY FOR
PCC SUPPOR
DETAIL I
�H_EET �
HEADWALL
- - - - - - & VANGWALL
SLOPE
F E _0N I
PCC
BASIS OF BEARINGS:
THE BEARINGS SHOWN HEREON ARE
BASED ON THE CENTERLINE OF
COUNTY DUMP ROAD AS PER RECORD
OF SURVEY BOOK 79 PAGE 6, RECORD
OF SURVEY, IN THE CITY OF FONTANA,
RECORDS OF THE COUNTY OF
SAN BERNARDINO, STATE OF CALIFORNIA,
BENCH MARK:
WN BERNARDINO COUNTY SURVEYOR B.M.
SPSN-00485 FOUND RAILROAD SPIKE IN
POWER POLE, 2 MILES NORTH ALONG SIERRA;
1AVENUE FROM HIGHLAND AVENUE, 30 FEET
EAST OF THE C/L OF SIERRA AVENUE
2 FEET NORTH OF THE S/E CORNER OF
SEC. 18, TIN, R 5 W, SBBM, FACING N/'W.
ELEVATION = 1,815.971'
KNGVD 1929 / FONTAND QUAD / 1980 ADJ.)
---- DIAL 4ORKING
B_ BEFORE
YOU DIG YOU DIG
TRENCH WALL
ni
300 mm 300 MM 300 MM
(1r) MIN 150 MM 0 2-) MIN
IKV"
. DETAIL F REMOVABLE PORTION RETROFIT -ATTACHMENT
NOTES
1, MAXIMUM SIZE OF OUTLET FOR THIS RACK IS, 1200 mm (W) PIPE OR 1 .2 m (48") VADE RCB.
MAXIMUM LENGTH OF RACK LR IS 3 m (W -O").
2, ADJUST LR SO THAT THE SLOPE OF THE RACK IS APPROXIMATELY 2 HORIZONTAL TO I VERTICAL,
3. THE PCC SUPPORT IS NOT NEEDED IF THE INLET STRUCTURE HAS A SUITABLE CUTOFF WALL.
THE PCC SUPPORT SHALL NOT REPLACE THE CUTOFF WALL,
4� GALVANIZE RACK AFTER FABRICATION.
5, BOLTS SHALL BE 13 x 175 mm (1/2'0"). BOLTS FOR REMOVABLE PORTION SHALL EF.
STAINLESS STEEL. PROVIDE WASHERS AT EACH SOLT,
6. SUBMIT SHOP DRAWINGS PER SSPWC 2-5.3.3. FOR RETRORT WORK,.INCLUGE DETAILS FOR
ATTACHMENT' TO FXISnNG STRUCTURE.
STANDARR PLAN
STANDARD PLANS FOR PUBUC WORKS CONSTRUCTION MET iC
361-1
TRASH RACK (INCLINED) SHEET 2 OF 2
-4 V &,- -W 5 w4tmo t."
r
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A
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C-I'Vasion iWor a7e we hogh 401,',5 ko 10-. $.WCii?V t, �4 40 -VAS L&Vow"�-X ENO ELEVATION
-,Vo� har, - 9-
VP;VA4-0 V114 WNWI$M� 0 ff 01 wsffepm 6W� filler is �W sbaytp
'Pt
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somefs 0.
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4 1144110 X ,
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Rov 4--ce eelw" 4 1 2 A
Z" 0 -
0EPMTVCN'( 4Y
4. WS
a" 91W 7 a PIPE CULVERT
HEADWALLS, ENDWALLS
VWf 11"at wwocor 010 o7i*Kaomy ("" f1,01 or cia-00 w0i 10
AND WARPE0 WINGWALLS.
NO SCALE
I _D8 _4
W
B
MR SLOPING TRENCH WALL FOR VERMAL TRENCH WALL
TRENCH MOM
4) BARS
G
10 MrAI
4
(4')
OP110NAL
CONST JOIN
(4
INDISTURGEO EARTH E_
E t, I
IN L40 -
B
SECTION A --A
TABLE A
Y
ELEVATION
PIPE ANCHORS
NOTES:
t ANCHORS SHAU- 8E CLASS 265--C-14 (450-0-2000) CONCRETE.
Z FOR CLAY PIPE, ANCHOR$ SHAU. NOT BE PLACED MTHN 150 mm (6') OF THE PIPE JOINT.
3. TRENCH SHALL BE BACKALL PER NOTE 4 ON SHEET Z
4. SPACING OF ANCHOR$ FOR PIPE SLOPES BETWEEN VALMES SHOWN TABLE "A:' MAY BE: PROPORTIONED.
ANCHORS
FOR SLOPING TRENCH WAtZ I FOR VERMAL FOR SLOPING TRENCH WALL FOR VERWAL
TRENCH WALL
TRENCH WALL
ni
300 mm 300 MM 300 MM
(1r) MIN 150 MM 0 2-) MIN
IKV"
1 ->-2 REDWOOD
BOARDS
:+ (In M
IGO MM 'A 100 MM
TREN /'(4 . X 4-) REDWOOD POST
51 mm (2") GALV PIP
TRENCH WAL
PIPE F-111111) IN ANCHOR OR
PIPE
Vr
PRE-EMBEDDEO SLEM
Es
I/
CONCRETE /
E
2 -
171-i-_
AL-TERNATE 2
ELEVATION
BACKFILL STABILIZERS
t!0TE!5;
i. REOWOOD BOARDS SHALL BE 50 x 300 mm (2' x 12") YMERE DEPTH OF COVER
CVFR PIPE PERMITS. OTHERIMSE USE 50 x 250 mm (2" x 10").
2� REDWOOD BOARD$ SHALL BE PLACEO ON THE HIGH GROUND SiDE OF THE POSTS.
3. EACH REOWOOD BOARD SHALL BE FASTENED BY USNG 2-16d NAILS TO EACH
REDWOOD POST OR A 10 mm (3/8") SOLT AND NUT MTH WASHERS TO EACH
GALVANIZED PIPE. ALI, HARDWARE SHALL BE GALVANIZ.ED,
4� TRENCH BACM-L SHALL SE CONSOUDATED BY MECHANICAL COMPA0110N. IN UEU
OF MECHANICALLY COMPACWN, SOIL CEMENT MAY BE USED, HOWEVER, THE TOP
300 mm (12") OF BACKFILL SHALL BE NAME SOIL, MECHANICALLY COMPACTEO.
5. SPACJNG OF STABUZERS FOR GROUND 5LOPES 8ETWEEN VALUES SHOWN IN TABLE
"S" MAY BE PROPORMONED.
6. THE CONTRACTOR MAY, AT ITS OPMN, SUBSIFITUTE DOUGLAs nR FOR THE REDWOOD
PRONADED IT HAS BEEN TKATE0 WTH PRESERVATIVES.
S-FAI31LIZERS
S ANDARD PLAN
STANDARD Pl�ANS FOR PUBLIC WORKS CONSTRUCTION METRIC
221-1
PIPE ANCHORS AND BACKFILL, STABILIZER SHEET 2 OF 2
REMSION DESCRIP11ON DATE ENGR, CITY DATE
OFESS�'O/) *A� - -'dVRO pp Thl�naq Zn
0 yv;?i9i91h7y An
SHOULD CONSTRUCTION OF THE REQUIRED IMPROVEMENTS NOT WVX ENGWEERING LAND SURPEYING
<�� '1JV i i Ev
4349 FRESTONE BOUL ARD
LA UMDA C41FORMA 906J8
COMMENCE WITHI TWO YEARS OF THE DATE OF APPROVAL
PH.(714)521-481f FAY(714)521-4173 DRAWN BY.
SHOWN HEREON Ar441D CARRIED FORTH IN A DILIGENT MANNER, r-1 �
------- -.1-- ;;a 1 Prepored Under The Supervision Of AC
THE CITY ENGINEER MAY REQUIRE REVISIONS TO THE PLANS TO R.CZ NO, 43293 �i * 1i DESIGNED BY
', (PA Exp. 3-31-1() 'IT
BRING THEM INTO CONFORMANCE WITH CONDITIONS AND AC
_5r
- ------- ------ --- - - ------- , \ , clv\ Do 7_
STANDARDS IN EFFECT. CHECKED BY.
C N HAIDOOK 1. AGHAI N RC N . 4�293 FL -111 HIA