HomeMy Public PortalAboutJ Hart Clinton Drive Ryder Park Storm Drain ExtensionN.
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DRAINAGE AND CONSTRUCT/ON:
RYDER PARK STORM DRAIN
EXTENSION
CITY .. F ,,;,fit MATEO
SP 'MI
APPROVED
APPROVED
ROJECT E
GINEER
ENGINEE
DIRECTS ' OF PUBLIC WORKS
SAN MATEO, CALIFORNIA
SCALE /' SO 1
BOOK NO.
PLAN CASE
DRAWN BY e
DATE /2-80
DRAWER
SHEET 1 OF 3
I
2'-9%z H
I
TOP VIEW
4.1
41
31-6"
4.1
ELEVATION
b
„0,„-- Headwa//
27 "APC,+
Approx. OG
Botfom of' ditch
i
NOTES:
00.
SECTION
/ 1/Val/ shall be constructed non -reinforced.
2. Concre/e shall be Class 560- C-3250.
3 fxca ve/iot/ and backfi // to be included.
See Special Pro visions.
NOT TO SCALE
CITY OF SAN MATEO
SPEC/AL DETAIL
CONCRETE HEADWALL
CALIFORNIA 94403
DATE
DRAWN BY
e
CHECKED
APPROVED
C/TY ENG/NEER
CASE
4
DRAWER
24
SET
5
SHEET 2 OF 3
EXCAVATION BACKFLL
—Original Ground or Grating
IN TRENCH
EXCAVATION
BACKFLL
IN EMBANKMENT
MI:IIMLIM ALLOWABLE CLASSES OF RCP FOR METHOD
Liss Ikon 6.0
6.0-7.9
8.0-9.9
100419
12043.9
14.046.9
T70-20.0
Class a 10000
Class III 13500
Class III Spaced 17000
Cans N 20000
Cass IV Spend 2500D
Class V 30000
Class V . 36000
Notes 8 and 9
CIRCULAR REINFORCED CONCRETE PIPE
METHOD I
Pips torten mode diameter d 7B• and raker.
EXCAVATION
BACKFILL
IN
TRENCH ONLY
IN TRENCH ONLY
CAST -IN -PLACE CONCRETE PIPE
EXCAVATIti., BACKFILL
Original Ground ry Grading Plane
IN TRENCH
EXCAVATION
Emhonkment constructed
pray so ercoval,00
J Lz
INN
BACKFILL
IN EMBANKMENT
EXCAVATION BACKFLL EXCAVATION BACKFLL EXCAVATION
prg,nol Ground or Grod,ng Plane -
112 OD
rwPEO BEDDING
03'
SAND BEC/OlUt
IN TRENCH
EXCAM*TION BACKFLL EXCAUATKIN 8AO LL
� Embulkment constructed
• ` gar to ructivation`
MINIMUM ALLOWABLE CLASSES OF RCP FOR METHOD 2
Cover (m feet)
Mlnmlm Class B 0-Lood
Less than 16.0
Class II 10000
160-199
Class III 1350D
20.0-24.9
Cam III Special 17000
25.0-279
Class IV 20000
28.0-34.9
Goss N Special 25000
35.0-41 9
Class V 30000
42.0-500
Class V Special 36000
Notes 8 and 9
REINFORCED CONCRETE PIPE
AND ASBESTOS -CEMENT PIPE
N:'le 5
METHOD 2
EXCAVATION BACKFILL
NON -REINFORCED PRECAST
CONCRETE PIPE
NOTES
30' minimum ,a to 45' OD, then 2/3 00, but no awe
than 60' 'equated
2 Slope or store escovotian sides en necessary
3 Backlill Motl M °loco, (WI width of enovation,
eccept Mire dimension 4 shown for bockllll width or
Muchness
4 Denen'mons shown me nunrmam
S Reinforced concrete pipe refers to 0104 M, reWorceJ
concrete pipe, oral shaped reinforced con are pipe and takiferced
cawing pipe arch Oval Moped and wch shaped reinforced
concrete pope and oebesics-cement pope to be *cud by
Method 2 any
6 When lap of pope of 'mitten 4 /7' o1 finished wade,
embankment compaction moored w1I govern an: advert
MOMS 90% roative compaction.
7 The type d bedding skill beet me Contractor's siphon, ken
the bedding selected shall be tot pee Mro**qut the
length• of any peen culvert
B -met* ct),ned as Me maximum WHO dlstana F-ar, lop
04 Pat to feaslwd grade lolly IM length of our Owen aired
Sod Cement
Bedding
BACKFLL
02_ __, oil
$014 CEMENT BEDDING
EXCAAT10N BACKFILL
IN EMBANKMENT
MINIMUM ALLOWABLE CLASSES OF RCP FOR
Corer (n feet)
Minimum Gans A D -Loud
Less than 260
Class II
10000
260-319
Clans III
13500
320.379
Class III
Special 17000
380-449
Class IV
20000
45 0-55 9
Class IV
Special 25000
560-679
Class V
30000
6804300
Class V
Special 36000
Notes 7, 8 and 9
CIRCULAR REINFORCED CONCRETE PIPE
METHOD 3
METHOD 3
LEGEND
® Sir mime EscavNan(Culwrlt
Structure Boni° (Culvrt t
95% retain* convection
- Structure Beckrdl(Cuhrtl
-- - 90% native canpodion
I. J
r.• :�I
Sand Bedding MIFF
Loose Backllll
Soil Cement Bedding
Roadway Embankment
Or gird Ground
00 • Outside diameter for circular pipes, dad moon" vertical
outside dimension for other Mopes.
RCP • Reinforced concrete pipe
4 Unless otherwise shown on Mr Porno tpoafed m the special
(4044441, A4 class Of PP* and It* method (1, 2 a 3)
for crcuto, unforced concrete pipe Moll be at the
Con:roclor•s option, provided the cover, as listed elaaerhors
in IM pions, falls within Ws limits given for the method
Selectord and the doss of pipe furnished.
EAem Its
- 24 RCP aAvsrt with a mmimun cover of i9.
Class V Special or stronger with Method I.
Cass III or Stronger with Method 2.
Class II or stronger with Meead 3.
. 3d RCP Culver with o maximum corm of 27.
pose IV or stronger with Method 2
Cap III or Orono" orb, MethHel 3.
(Method I is sal allowed with cover over 20')
The dose of pipe and method (1,2 or 3) selected Mill be to
sane throughout the length of an, given culvert.
10 The *length of pry given advert is dsfined as 114 W1ver1
between
a. successive drainage Structures ( inlets, junction
boess,Modwalls,etc.) or
b a drainage Structure and Me inlet se outlet edd
of the cut's'', or
C. IM inlet and o111151 end of the advert whistlers
are no inter>•sning drainage Structures
cry OF SAN M4TEOEXCAVAT/ON AND BACKFILL DETAILS
CAL /PORN/A 94403
CONCRETE AND ASBESTOS -CEMENT PIPE CULVERTS
DATE DRAWN BY CHEMED APPROVED
4,8/
CITY ENG/NEER
i
CASE DRAWER SET
4 24 5
SHEET�OF