HomeMy Public PortalAbout24th Avenue, Isabelle Avenue, 26th Avenue and Alameda De Las Pulgas Drainage SystemDE LPS PULGA
INST L 295' ± 4(3" RCP CL 2.
III
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24th AVENUE, ISABELLE AVENUE
26th AVENUE and ALAMEDA DE
LAS PULGAS
DRAINAGE SYST E M
Y Jr' P - 290 SEPTEMBER, 1972
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LOCATION MAP
O SHEET NUMBER
PREPARED BY
THE
CITY OF SAN MATEO
DEPARTMENT OF PUBLIC WORKS
UNDER TH WJIRECTION
ROBERT G. BEZZANT
DIRECTOR OF PUBLIC WORKS
LEGEND:
In NIB NEW STORM PIPE
EXISTING STORM PIPE
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24TH AVENUE
11
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INSTALL 250':. 48" RCP CL2 S=0 Q150—
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DETAIL OF PIPE SUPPORT
ACROSS TRENCI4
12a MIN,
BREAK INTO PIPE - OPENING ro.D+2"NA.x.
SET FLUSI4 WITH 1N1ERIOR WALL OF
-48' PIPE
CONC. COLLAR WITH 2-19A-
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SADDLE CONNECTION 10 STORM DRAIN
NO SCALE
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8
en
REVISION
NO.
DESCRIPTION
DRAWN
BY
CHECKED
BY
APPROVED
BY
DATE
CITY OF SAN MATEO
SCALE
APPR
CALIFORNIA
24' AVENUE - ISABELLE AVENUE
2GTH AVENUE &ALAMEDA DE LAS
DATE AUG. 1571
APP ED
CITY ENGINEER
AT
C ENGINEER
amorpATE
PLAN CASE DRAWER
4 7
SHEET
DA E
43
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R E M O V E E X I S T , C . 8
$ . P L U G E X I S T . P I P E
1 . C e n t e r o f m a n h o l e s h a f t s h a l l b e l o c a t e d o v e r c e n t e r l i n e o f s t o r m
d r a i n w h e n d i a m e t e r D l i s 4 8 " o r l e s s , i n w h i c h c a s e p l a c e E b a r s
s y m m e t r i c a l l y a r o u n d s h a f t a t 4 5 6 w i t h c e n t e r l i n e a n d o m i t J b a r s .
2 . D e t a i l M : W h e n d e p t h o f m a n h o l e f r o m s t r e e t g r a d e t o t o p o f b o x i s
l e s s t h a n 2 ' - 1 0 2 " f o r p a v e d s t r e e t o r 3 ' - 6 " f o r u n p a v e d s t r e e t ,
c o n s t r u c t m o n o l i t h i c s h a f t a s p e r D e t a i l M . S h a f t f o r a n y d e p t h o f
m a n h o l e m a y b e c o n s t r u c t e d a s p e r D e t a i l M . W h e n d i a m e t e r D l i s
4 8 " o r l e s s , c e n t e r o f s h a f t m a y b e l o c a t e d a s p e r N o t e 1 .
3 . T h i c k n e s s o f d e c k s h a l l v a r y w h e n n e c e s s a r y t o p r o v i d e l e v e l p i p e
s e a t , b u t s h a l l n o t b e l e s s t h a n t a b u l a r v a l u e s f o r F s h o w n h e r e .
4 . R e i n f o r c i n g s t e e l s h a l l b e s t r a i g h t b a r s 1 2 " c l e a r f r o m f a c e o f
c o n c r e t e , u n l e s s o t h e r w i s e s h o w n o n p l a n .
5 . S t e p s s h a l l b e 3 / 4 " r o u n d , g a l v a n i z e d s t e e l a n d a n c h o r e d n o t l e s s
t h a n 6 " i n t h e w a l l s o f t h e s t r u c t u r e s . U n l e s s t h e p l a n s h o w s o t h e r -
w i s e t h e s p a c i n g s h a l l b e 1 6 " o . c . T h e l o w e s t s t e p s h a l l n o t b e m o r e
t h a n 2 ' - 6 " a b o v e t h e i n v e r t .
6 . R i n g s , r e d u c e r s a n d p i p e f o r a c c e s s s h a f t s h n ` " t b e s e a t e d i n m o r t a r
a n d n e a t l y p o i n t e d o r w i p e d i n s i d e t h e s h a f t .
7 . S t a t i o n s o f m a n h o l e s s h o w n o n p l a n s a p p l y a t c e n t e r o f s h a f t . E l e v a -
t i o n s s h o w n a t s t a t i o n s r e f e r t o p r o l o n g e d i n v e r t g r a d e l i n e s .
8 . F l o o r o f m a n h o l e s h a l l b e s t e e l - t r o w e l e d t o s p r i n g l i n e .
9 . B o d y o f m a n h o l e s h a l l b e p o u r e d i n o n e c o n t i n u o u s o p e r a t i o n , e x c e p t
t h a t a c o n s t r u c t i o n j o i n t w i t h a l o n g i t u d i n a l k e y w a y m a y b e p l a c e d a t
t h e s p r i n g l i n e .
1 0 . L e n g t h L a n d e m b e d m e n t P s h a l l h a v e t h e f o l l o w i n g v a l u e s u n l e s s
o t h e r w i s e s h o w n o n p l a n .
F o r : D 2 = 9 6 " o r l e s s ; L = 5 ' - 6 " , P = 5 "
D 2 = o v e r 9 6 " ; L = 6 ' - 0 " , P = 8 "
L m a y b e i n c r e a s e d o r l o c a t i o n o f m a n h o l e s h i f t e d t o m e e t p i p e e n d s .
W h e n L i s g r e a t e r t h a n t h a t s h o w n a b o v e i s s p e c i f i e d , D b a r s s h a l l b e
c o n t i n u e d 6 " o . c .
1 1 . D b a r s s h a l l b e h 4 f o r D 2 = 3 9 " o r l e s s , # 5 f o r D 2 = 4 2 " t o 8 4 " i n c l u s i v e
a n d # 6 f o r D 2 = 9 0 " o r o v e r . T i e b a r s s h a l l b e # 3 b a r s .
1 2 . C e n t e r l i n e o f i n l e t p i p e t o i n t e r s e c t i n s i d e f a c e o f c o n e a t s p r i n g l i n e
u n l e s s o t h e r w i s e s h o w n .
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INSTALL WI-48"RO' '0022
INSTALL. 20't 15"PIPE
PLUG ExIST 32"; ?PIPE r
CoNNECT 15'' PIPE
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DE LAS PULGAS
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INSTALL 215'± 48" RCP CL
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INSTALL. 24';t24fr PIPE CL.4 S:--0.0100
CONST. STD. STORM M.N.
use
CONTRACT
DRAWING
MINTS NOT REAMS THIS STAMP An
OVER FOE CONTRACT WO%
•
010Q ;
cite
REVISION
NO.
•
DRAWN CHECKED APPROVE D
BY BY BY
DAIF
CITY OF SAN MATEO
24:" AVENUE - ISABELLE AVENUE
26" AVENUE & ALAMEDA DE LAS
PULGAS DRAINAGE SYSTEM
APPR
CITY NGINEER
ASS
CITY GI ER
DA E
fDRAWN BY a e. CHK BY
niur AL/G. 1571
C Er ER
PLAN CAS DRAWER
7
D E
43
SHEET 5 OF 5