1:40
LEAN CONCRETE
1:30 FALL
65 DIA P.V.C. WEEPHOLES AT
1.5m C/C STAGGERED.
HANDPITCHED HARDCORE ALONG THE
REINFORCED CONCRETE
LEAN CONCRETE
HARDCORE BLINDED WITH SAND
(PILING AND FOUNDATION DETAILS TO BE DESIGNED BY QP.)
1:40
1:30 FALL
HANDPITCHED HARDCORE ALONG THE
WHOLE LENGTH OF THE DRAIN.
ROLLED &
CLOSE-TURFED
LEAN CONCRETE
1:1
1:30 FALL
MASS CONCRETE
BENCHING
1:30 FALL
MASS CONCRETE
BENCHING
1:1
BOX CULVERT
PVC WEEPHOLES AT
1.5m C/C STAGGERED
R.C. SLAB
HANDPITCHED
REINFORCED CONCRETE
(PILING AND FOUNDATION DETAILS TO BE DESIGNED BY QP.) (PILING AND FOUNDATION DETAILS TO BE DESIGNED BY QP.)
U-DRAIN
HARDCORE BLINDED WITH SAND
PRECAST UNIT JOINT STANDARD EXPANSION JOINT
TRAPEZOIDAL DRAIN
MASS CONCRETE
BENCHING
HARDCORE
ALONG THE WHOLE LENGTH
OF THE DRAIN
WHOLE LENGTH OF THE DRAIN.
100
300
1:40
100
50
1:40
R.C. SLAB
GEOTEXTILE COMPLYING
WITH TABLE SHOWN IN
DRAWING NO . 3
GEOTEXTILE COMPLYING
WITH TABLE SHOWN IN
DRAWING NO . 3
CONSIDERED. A LIVE LOAD SURCHARGE OF 10 kN/m ON THE BANKS SHALL BE TAKEN INTO ACCOUNT.
FOR DRAINS THAT ARE ADJACENT TO ROADS AND ARE AFFECTED BY VEHICULAR LOADING, A LIVE LOAD
SURCHARGE OF 20 kN/m SHALL BE TAKEN INTO CONSIDERATION IN THE DESIGN OF DRAINS.
WIDTH (SEE TABLE)
WIDTH (SEE TABLE)WIDTH (SEE TABLE)
GAP TO BE FILLED
UP WITH CEMENT MORTAR (1: 3)
20
100 50
25
EQ
EQ
THICKNESS OF
BASE OR WALL
13 THK. APPROVED JOINT FILLER
13 x 50 APPROVED SELF
EXPANDING CORK
JOINT-SEALER
BOTTOM WIDTH OF D.W.F. DEPTH OF D.W.F.
0.3m 0.125m
0.6m
0.9m
1.2m
1.8m
2.1m
0.150m
0.150m
0.200m
0.250m
0.300m
TOP WIDTH OF DRAIN
65 DIA
1:1
MILD STEEL AND HIGH TENSILE STEEL
IN THE DESIGN OF U-DRAINS,11
NOTES:
2
UPHEAVE MUST BE CONSIDERED.
SHALL BE GRADE 25 OR HIGHER GRADES.
1
2
3
4
5
6
122
ALL PRECAST AND REINFORCED CONCRETE SHALL BE GRADE 30 OR HIGHER GRADES.
ALL MASS CONCRETE
ALL LEAN CONCRETE SHALL BE GRADE 15.
(WATER FACE) AND 50mm (EARTH FACE)
EXPANSION JOINTS SHALL BE PROVIDED AT MAX. 35m INTERVALS
8 MINIMUM REINFORCED CONCRETE SLAB THICKNESS SHALL BE 150mm.
THE WALLS OF U-DRAINS
AT THE BASE AND WALLS
APPROVED JOINT FILLER AND CAULKED
OF ALL CAST-IN-SITU DRAINS. SUCH JOINTS SHALL HAVE A GAP OF 13mm PACKED WITH AN
ALL GAPS SHALL BE FILLED WITH 1:3 MIX CEMENT MORTAR.
ALL PRECAST UNITS SHALL BE LAID CLOSE. THE MAXIMUM ALLOWABLE GAP IS 50mm.
ALL REINFORCEMENTS SHALL NOT BE CARRIED THROUGH AN EXPANSION JOINT.
WITH AN APPROVED SELF EXPANDING CORK JOINT-SEALER.
REINFORCEMENTS SHALL CONFORM TO SS2
7 FABRIC MESH REINFORCEMENTS SHALL CONFORM TO SS2
2
IN THE DESIGN OF TRAPEZOIDAL DRAINS, STABILITY OF THE SLOPE AND UPHEAVE MUST BE
SHALL BE DESIGNED TO WITHSTAND A LIVE LOAD SURCHARGE OF 10 kN/m ON THE BANKS.
MAIN REINFORCEMENTS SHALL HAVE MINIMUM CLEAR COVERS OF 70mm.9
THE CONSTRUCTED DRAINS SHALL NOT CAUSE PONDING AT THE EMBANKMENTS OF U-DRAINS10
13
14
15 ALL DIMENSIONS ARE IN MILLIMETRES UNLESS OTHERWISE STATED.
> 3.0m TO 4.5m
> 4.5m TO 6.0m
> 6.0m TO 9.0m
> 9.0m TO 12.0m
> 12.0m
< 3.0m
BOX CULVERTS SHALL BE DESIGNED TO WITHSTAND BRIDGE LOADING IN ACCORDANCE
WITH LAND TRANSPORT AUTHORITY’s STANDARDS.
& TRAPEZOIDAL DRAINS AND AT THE TOP SLAB OF BOX CULVERT.
Details of the structural, geotechnical and foundation systems are to be designed by Qualified Persons.
This drawing shows schematically the drainage channels and minimum structural requirements.
U-SHAPED & TRAPEZOIDAL DRAINS AND BOX CULVERTDRAWING NO. 1
TABLE
SECTION A-A
SECTION B-B
PLAN VIEW
NOTES
DETAILS OF NON-SKID ALUMINIUM RUNG
ISOMETRIC VIEW
HARDCORE THROUGHOUT
LENGTH OF WALL
50 LEAN CONC.
150 HARDCORE
THIS PIECE TO
BE PRECAST600
150x150 SPLAY
65 DIA. PVC PIPE WEEPHOLE
AT 2m C/C STAGGERED
300
(PILING AND FOUNDATION DETAILS TO BE DESIGNED BY QP)
GEOTEXTILE COMPLYING
WITH TABLE SHOWN IN
DRAWING NO . 3
TYPE C3
CHANNEL1: 40
50
25
10
00
(N
.T.S
.)
25
GRADE 25 CONC.
BENCHING
SEE TABLE
25 DIA. ALUMINIUM
RUNGS AT 300 INTERVAL
CAST IN SITU WALL OF DRAIN
SEE DETAILS OF
REBATED JOINT
50 25
65
20
1200 1200 1200 1200
1st PIECE INTERMEDIATE PIECES
60
01
50
65
TOP OF DRAIN TO FLUSH WITH FOOTPATH / GROUND LEVEL
600 750 900 1050 1200
1200 1200 1200 1200
15
0W
IDT
H1
50
SEE DETAILS OF
REBATED JOINT
B B
AA
GAP TO BE FILLED
UP WITH CEMENT MORTAR (1: 3)
65
20
65
100 50
25
300
90
230
75
75
25 DIA. ROD
RIBBED
RUNG
300
23
0RIBBED
RUNG
(CLOSED-UP VIEW OF RUNG)
PLAN VIEW
DETAILS OF REBATED JOINT
WIDTH OF DRAIN
LAST PIECE
300 COMPACTED HARDCORE
FALSE BOTTOM
CLEAR COVER TO REINFORCEMENT : 40mm.
GRADE 30 CONCRETE IS TO BE USED.
LENGTH OF PRECAST PIECE TO BE 1200mm ON STRAIGHT AND
500mm ON CURVES.
WIDTH / DEPTH RATIO OF DRAIN SHOULD NOT BE MORE THAN 1 : 2.
NON-SKID ALUMINIUM RUNGS ARE TO BE PROVIDED FOR ROADSIDE
DRAINS WITH DEPTH EQUAL TO OR EXCEEDING 0.9m.
THE TOP SLAB OF THE ROADSIDE DRAIN SHALL BE CONSTRUCTED
SUCH THAT PONDING AT THE TOP SLAB WILL NOT OCCUR.
ALL DIMENSIONS ARE IN MILLIMETRES UNLESS OTHERWISE STATED
1.
2.
3.
4.
5.
6.
7
This drawing shows schematically the drainage channels and minimum structural requirements.
Details of the structural, geotechnical and foundation systems are to be designed by Qualified Persons.
STANDARD ROADSIDE DRAINSDRAWING NO. 2
COMPACTED ACCESS 1000
100
1: 40
1: 3
1: 3
SYNTHETIC GEOTECHNICAL FABRIC MEMBRANE
DRAIN WALL
COPE OF
DRAIN
DRAINAGE RESERVE
B785
ACCESS WIDER THAN 1.8m
FABRIC
REINFORCEMENT
NOTE: ALL DIMENSIONS ARE IN MILLIMETRES UNLESS OTHERWISE STATED.
1:1
200 THK. APPROVED
GRANULAR EARTH OR
APPROVED GRANULAR
SPALL BLINDED WITH
UNWASHED SAND OR
GRANITE DUST, ROLLED
AND COMPACTED IN 2
LAYERS WITH 10
TONNE ROLLER
200 THK. HARDCORE TO BE ROLLED
AND COMPACTED IN 2 LAYERS WITH
10 TONNE ROLLER OR WELL COMPACTED
APPROVED SYNTHETIC
FABRIC MEMBRANE
13 THK. GAP EXPANSION
JOINT SEE DETAIL ’A’
100 THK. GRADE 25 CONC. ROUGH FINISH
(13 GAP EXPANSION JOINT TO
BE PROVIDED AT 35m INTERVALS)
50 THK. LEAN CONCRETE
THE FIBRE USED TO MANUFACTURE THE FABRIC SHALL CONSIST OF
EITHER POLYPROPYLENE, POLYETHYLENE, POLYESTER, OR A COMBINATION
50
NOTE:
A. WHERE THE GEOTEXTILES SERVE A SEPARATION OR REINFORCEMENT FUNCTION,
CLASS A GEOTEXTILES SHALL BE USED
B. WHERE THE GEOTEXTILES SERVE A FILTRATION FUNCTION, CLASS B GEOTEXTILES
SHALL BE USED.
COPE OF
DRAIN
1: 3
1: 3
DRAIN WALL
ACCESS UP TO 1.8m WIDE
1:40
DRAINAGE RESERVE
B785
FABRIC
REINFORCEMENT
100
1:1
200 THK. HARDCORE TO BE ROLLED
AND COMPACTED IN 2 LAYERS WITH
10 TONNE ROLLER OR WELL COMPACTED
100 THK. GRADE 25 CONC. ROUGH FINISH
(13 GAP EXPANSION JOINT TO
BE PROVIDED AT 35m INTERVALS)
13 THK. GAP EXPANSION
JOINT SEE DETAIL ’A’
50 THK. LEAN CONCRETE
50
DETAIL ’A’
DRAIN WALL
13 THK. APPROVED
SEALING COMPOUND
13 THK. APPROVED
JOINT FILLER
13mm THICK GAP EXPANSION JOINT
50
PHYSICAL PROPERTIES OF GEOTEXTILES
PHYSICAL PROPERTY CLASS OF GEOTEXTILE
CLASS A CLASS B
SPECIFICATION
125 530 60 180 1.10 2.0X10
50 270 55 80 0.50 2.7X10
2
2
-2 -2
MINIMUM UNITUNIT WEIGHT, g/m MINIMUM GRAB TENSILE STRENGTH , N MINIMUM ELONGATIONTO BREAK, % MINIMUM TRAPEZOIDALTEAR STRENGTH , N MINIMUM MULLENBURST STRENGTH, N/mm WATER PERMEABILITY,cm/sec
ASTM D3376 ASTM D1682 ASTM D1682 ASTM D1117 ASTM D774
MANUFACTURER’S
TEST REPORT TO
BE SUBMITTED
OF THE AFORESAID MATERIALS. THE FABRICS SHALL HAVE THE PHYSICAL
PROPERTIES COMPLYING WITH THE TABLE BELOW :
CLOSE TURFING
WITH 50 THK. TOP SOIL
Details of the structural, geotechnical and foundation systems are to be designed by Qualified Persons.
This drawing shows schematically the drainage facilities and minimum structural requirements.
MAINTENANCE ACCESS FOR DRAINAGE RESERVESDRAWING NO. 3
6 THK. M.S. PLATE
WELDED TO TOP OF G.S. PIPE
WELDED CENTRALLY ON 300x300x12 THK.
M.S. PLATE
450x450x300 CONC. FOOTING
(CONCRETE 20)
20 DIA. BOLT SECURED IN ANCHOR
WITH BUILT-IN EXPANSION PLUG
AND INTERNAL THREADS
(’HILTI’ HKD FLUSH ANCHOR-HKD M20)
OR EQUIVALENT
750
450
30
0
300
30
0
20
0
X
X
G.L. G.L.
SECTION X-X
PLAN VIEW
300x300x12 THK. M.S.
STEEL PLATE WELDED
TO G.S. PIPE
’HILTI’ HKD FLUSH
ANCHOR-HKD M20
150 DIA.
300
300
30
0
450450
ISOMETRIC VIEW
G.S. PIPE (MEDIUM DUTY)
DETACHABLE BOLLARD
AA
6mm DIA. STIRRUPS (5 NOS)
4 R10
GROUND LEVEL GROUND LEVEL
TO BE PAINTED IN WHITE
CONCRETE PIPE
CAST-IN-SITU
R6 STIRRUP
4 R10
TO BE PAINTED IN PEACOCK BLUE
PAINT NO.0115 (BODELAC 3000
OR OTHER APPROVED EQUIVALENT)
150mm DIA. PRECAST
450 SQ
65
0
60
0
65
0
ELEVATIONSECTION A - A
DETAILS OF DRAINAGE RESERVE CONCRETE MARKER
C C
SECTION C - C
150 DIA.
150 DIA. 150 DIA.
450 SQ.
60
0
40
04
00
100 DIA (NOMINAL BORE)
FIXED STEEL POST
FILLED WITH CONCRETE
75 x 75 x 8 THK. STEEL PLATE
FIRMLY WELDED TO STEEL POST
13 DIA. GALVANISED
STEEL CHAIN
GRADE 20 MASS CONCRETE
2.0m FOR 2.7m AND 3.0m MAINTENANCE ACCESS
3.5m FOR 4.5m MAINTENANCE ACCESS
4.5m FOR 6.0m MAINTENANCE ACCESS
STEEL POSTS AND CHAINS
FOR MAINTENANCE ACCESS
150 NOMINAL DIA.G.S. PIPE (MEDIUM DUTY)
GRADE 25 CONCRETE
GRADE 25 CONCRETE
GRADE 25 CONCRETE
60
0 F
OR
RU
RA
L A
RE
A
100 F
OR
UR
BA
N A
RE
A
30
0 / 0
100 FOR RURAL AREA
50 FOR URBAN AREA
10
0
BRASS PADLOCK
GROUND LEVEL 100
100 FOR RURAL AREA
50 FOR URBAN AREA
NOTES
1. ALL DIMENSIONS SHOWN ARE IN MILLIMETRES UNLESS OTHERWISE STATED.
MATERIALS
b)
ALL GALVANISING TO BE HOT DIPPED
GALVANISED STEEL PIPES TO BE PREPARED
a) ONE COAT OF APPROVED WASH PRIMER
b) ONE COAT OF APPROVED ZINC CHROMATE PAINT
c) ONE UNDERCOAT OF APPROVED OIL BASED PAINT
d) TWO TOP COATS OF APPROVED OIL BASED PAINT
ALL STEEL RODS, FLAT & SQUARE TO BE
a)
b)
CONFORMING TO S.S.17
GALVANISED COATING CONFORMING TO S.S.117
AND PAINTED AS FOLLOWS:
PREPARED AND PAINTED AS FOLLOWS:
BEFORE ERECTION CLEAN WITH WIRE BRUSH TO REMOVE ALL RUST & MILL SCALE
AND PAINT ONE COAT OF APPROVED PRIMING PAINT
a)
c)
2.
3.
4.
30
0 /
10
0
ALL STEEL USED TO BE MILD STEEL CONFORMING TO B.S.4360
ALL G.S. PIPES OR EQUIVALENT TO BE LIGHT TUBES
450 SQ
50
50
50 50
10
00
150 DIA.
12
THREE COATS OF APPROVED
OIL BASED PAINT TO BE
PAINTED ON BOLLARDS.
STEEL BASED PLATE BOLTS
AND NUTS TO BE COATED
WITH BITUMINOUS PAINT.
25
0
(BL
UE
)
25
0
(WH
ITE
)
250
(BL
UE
)
NOTES
1.
2.
AFTER ERECTION PAINT ONE UNDERCOAT OF APPROVED OIL BASED PAINT AND
TWO TOP COATS OF APPROVED OIL BASED PAINT
This drawing shows schematically the drainage facilities and minimum structural requirements.
Details of the structural, geotechnical and foundation systems are to be designed by Qualified Persons.
DRAINAGE RESERVE MARKER, BOLLARD AND POSTS & CHAINSDRAWING NO. 4
Notes:
1 ALL DIMENSIONS SHOWN ARE IN MILLIMETRES UNLESS OTHERWISE STATED.
2 MINIMUM GRADE 35 CONCRETE TO BE USED FOR THE PRECAST SECTION OF DROP-INLET CHAMBER.
3 LTA APPROVED ANTI-SKID COATING SHALL BE APPLIED ON TOP OF THE EXPOSED 6mm THICK CHEQUER PLATE.
4 TOP SECTION OF 6mm THK. CHEQUER PLATE SHALL BE EXTENDED AND FLUSH TO PRECASTER REQUIREMENT.
5 ALL WELD TO BE FULL STRENGTH BUTT WELD UNLESS OTHERWISE STATED.
6 FULL STRENGTH FILLET WELD SHALL BE USED. MINIMUM FILLET WELD THICKNESS SHALL BE 3mm OR THROAT SIZE OF 2.1mm.
7 DRILLED HOLE ON CHEQUER PLATE SHALL BE 2mm LARGER THAN THE DIAMETER OF REBAR TO ALLOW INSERTION OF REBAR.
8 DRILLED HOLE ON CHEQUER PLATE SHALL HAVE A MINIMUM DISTANCE OF 35mm FROM TOP EDGE AND 40mm FROM SIDE EDGE OF CHEQUER PLATE.
9 THE BEND-IN CHEQUER PLATE ON BOTH SIDES SHALL HAVE A MINIMUM BEND-IN DISTANCE OF 100mm.
10 THE BEND-IN 6mm CHEQUER PLATE SHALL HAVE A MIN. DISTANCE OF 35mm FROM BOTTOM EDGE OF T16.
11 10 NOS. OF VERTICAL T10 GALVANISED STEEL BAR SHALL HAVE A MINIMUM RECESS OF 5mm TO 20mm MEASURING FROM OUTER FACE OF KERB.
12 A SECTION OF UPVC PIPE SHALL BE CUT (MEASURE FROM TOP OF PIPE: 100mm (HEIGHT), 70mm (WIDTH).
13 GRATINGS AND FRAMES ARE TO BE GALVANISED BY HOT-DIP GALVANISING PROCESS IN ACCORDANCE WITH ISO 1461:2009.
14 THE COMPLETE ASSEMBLY EXCEPT FISH TAIL ARE TO BE GALVANISED BY HOT-DIP GALVANISING PROCESS IN ACCORDANCE WITH ISO 1461:2009.
15 FISH TAIL TO BE WELDED TO M.S. ANGLE AND PLACED AT ALL CORNERS OF THE FRAME.
16 THE HINGE MUST BE LOCATED SUCH THAT GRATING WILL BE CLOSED IN THE DIRECTION OF TRAFFIC FLOW.
17 250mm DIA. UPVC PIPE (INTERNAL DIAMETER) SHALL CONFORM TO SS 141 WITHOUT JOINTING (MINIMUM WALL THICKNESS 9.7mm).
18 INLET CHAMBER SHALL NOT BE INSTALLED WITHIN THE WIDTH OF WALKWAY.
19 75mm UPVC PIPE IN THE DROP INLET CHAMBER SHALL BE SEALED AFTER LAYING THE FINAL ASPHALTIC WEARING COURSE.
20 EXTENT OF CONCRETE HAUNCH SHALL BE 150mm FROM THE POINT OF JOINT ON BOTH SIDES FOR JOINTED UPVC PIPE.
21 WSFR MEANS WELDED STEEL REINFORCEMENT MANUFACTURED TO SINGAPORE STANDARD SS32.
22 ALL UPVC PIPES SHALL CONFORM TO SS272. ALL DIAMETER OF UPVC PIPE SPECIFIED SHALL BE OF NOMINAL SIZE.
23 6mm THICK CHEQUER PLATE TO EXTENT TO MATCH HALF THE CIRCULAR SHAPE OF UPVC PIPE AS PER PRECASTER REQUIREMENT.
24 BOLT ASSEMBLY SERVE TO FASTEN THE VERTICAL GRATING TO THE MILD STEEL PLATE.
25 BOLT ASSEMBLY SHALL BE WITHIN 6mm THICK CHEQUER PLATES.
26 GAP BETWEEN DIA. 250mm UPVC (HEAVY DUTY) PIPE AND EXTENDED 6mm THK. SIDE CHEQUER PLATE SHALL BE SEALED OFF WITH CEMENT MORTAR
AFTER INSTALLATION OF DIA. 250mm UPVC (HEAVY DUTY) PIPE.
27 DROP-INLET CHAMBER SHALL NOT BE INSTALLED WITHIN THE WIDTH OF WALKWAY.
28 THE KERB AND DROP-INLET CHAMBER SHALL BE CAST IN ONE OPERATION.
PLAN OF M.S. RAILING (TYPE C)
70
50
26
m.s. hollow section
DETAIL AT ‘W’
welded to m.s. angle plate
’C’ channel embedded thru’ p.c. pier
angle plate to be fully welded to m.s.
35
50
60
R=15
R=15
160 x 160 precast R.C. pier at
10 dia. m.s. dowel to be fully
60 x 100 x 10 thk. x 35 m.s.
50 x 25 x 6 thk. x 260 m.s.
6 thk. fillet weld all round
50 x 26 x 3.2 thk.
2400c/c with ganolithic finish
hollow section and ’C’ channel
embeded thru’ p.c. pier
50 x 25 x 6 thk. x
70
m.s. hollow section
DETAIL AT ‘V’
tolerance
hole
angle plate to be fully welded to m.s.
100
welded to m.s. angle plate
hollow section and ’C’ channel
25
60
60 x 100 x 10 thk. x 35 m.s.
50 x 26 x 3.2 thk.
6 thk. fillet weld all round
10 dia. m.s. dowel to be fully
260 m.s. ’C’ channel
2
2
8. ALL PRECAST CONCRETE SHALL BE GRADE 30.
6. MAIN REINFORCEMENTS SHALL HAVE A CLEAR COVER OF 50mm FROM THE BASE
OF EARTH FACE AND A CLEAR COVER OF 70mm FROM THE BASE OF WATER FACE.
2. ALL MASS CONCRETE SHALL BE GRADE 25.
3. ALL REINFORCED CONCRETE SHALL BE GRADE 40.
4. ALL LEAN CONCRETE SHALL BE GRADE 15.
5. MILD STEEL AND HIGH TENSILE STEEL REINFORCEMENTS SHALL CONFORM TO S.S.2.
7. FABRIC MESH REINFORCEMENTS SHALL CONFORM TO S.S. 32.
9. ALL GALVANISING TO BE HOT DIPPED GALVANISED COATING CONFORMING TO S.S.117.
10. SPECIFIED CHARACTERISTIC STRENGTH OF HIGH YIELD STEET BAR (T) IS 460 N/mm .
11. SPECIFIED CHARACTERISTIC STRENGTH OF PLAIN ROUND MILD STEEL BAR (R) IS 250 N/mm .
NOTES
1. ALL DIMENSIONS ARE IN MILLIMETRES UNLESS OTHERWISE STATED.
10 35
150 150
80
0160
26
26
26
26
160
25 25
25
11
0
25
160
25 25
70
20
70
hollow section at both ends
‘V’
30
40
angle plate to be full welded to m.s.
hollow section and ’C’ channel
’C’ channel embedded thru’ p.c. pier
10
308
49
0
2400
11
61
16
150
26
116
26
110
12
110
12
110
12
110
26
150
26
116
26
110
12
110
12
110
12
110
26250
160 x 160 precast R.C. pier at
60 x 100 x 10 thk. x 35 m.s.
50 x 26 x 3.2 thk. m.s. hollow section
12 sq. m.s. bars welded to m.s.
300 x 300 x 450 mass conc. footing
50 x 25 x 6 thk. x 260 m.s.
2400c/c with ganolithic finish
ELEVATION AT ‘Z’
300
250
20
0
45
0950
160
25
25
160
25 25
150
50
26
26
70 EXISTING CONCRETE
RIVER WALL
100
10
26
26
25
25
160
25 25
100
10
4R6 ring
hollow section at both ends
6R6 ring at 225 c/c
4R13
m.s. hollow section
concrete footing
35
SECTION X - X SECTION Y - Y
3510
2020
4040 30 30
1010
49
0308
11
61
16
12 sq. m.s. bars welded to m.s.
160x160 precast R.C. pierat 2400c/c with
300 x 300 x 450 mass
200 thk.
crusher run base
50 thk. lean concrete
250 thk. sub-base material
ganolithic finish
50 x 26 x 3.2 thk.
75 thk. Asphatic
base course
70
160
70
70 160 70
existing concrete river wall
with ganolithic surface finishes
Y
Y
‘W’ X X
Z
hollow section at both ends
2400
150 26 116 26 110 12 110 12 110 11012 26
35
35
3535
1502611612 110 2612 11012 11011026
160 x 160 precast R.C. pier
12 sq. m.s. bars welded to m.s.
300 x 300 x 450 mass concrete footing
50 x 26 x 3.2 thk. m.s. hollow section
NOTE :
ALL STEEL MEMBERS FOR RAILING
SHALL BE GALVANISED & PAINTED
TO PAINTING SPECIFICATIONS AS
OUTLINED IN NOTE NO.5 OF
DRAWING NO. 6
APPROVED SPECIAL RAILINGSDRAWING NO. 7A
250 150 1000 1000 1000
200
800
10
0
11
00
75
10
0900
50
50
55
10 WIDE GROOVE
10 WIDE GROOVE
76 DIA. GI PIPE RAILING
38 X 25 SHS (3 THK)
PART ELEVATION OF RAILING
A A
75 DIA. GI PIPE RAILING
150 150 150
250250 5000
1000 1000 1000 1000 1000
1100
ISOMETRIC VIEW
R5= 5 PANELS OF RAILING
BOLLARD
150
2505000
1000 1000 1000 1000 1000
R5= 5 PANELS OF RAILING
BOLLARD
200
1100
100
200
10
800
2R10 LINKS
250
R10-1
50
R10
SECTION B-B
B B
BOLLARD
38 X 25 SHS (3 THK)
38 X 25 SHS (3 THK)
145
145
800
c
250 DIA. CONCRETE BOLLARD
CONCRETE BASE
SECTION PLAN A-A
38 X 25 SHS (THK)
PROPOSED GRADE 30 CONCRETE
FOOTING WITH ONE LAYER OF FABRIC
REINFORCEMENT B10
450
PROPOSED GRADE 30 CONCRETE
FOOTING WITH ONE LAYER OF FABRIC
REINFORCEMENT B10
250
450
50
0
2
2
NOTES :
IS 15mm. ALL GAPS SHALL BE FILLED WITH 1 : 3 MIX CEMENT MORTAR.
9. ALL PRECAST CONCRETE SHALL BE GRADE 30.
6. MAIN REINFORCEMENTS SHALL HAVE A CLEAR COVER OF 50mm FROM THE BASE
OF EARTH FACE AND A CLEAR COVER OF 70mm FROM THE BASE OF WATER FACE.
SCHEMATIC ELEVATION OF RAILING
2. ALL MASS CONCRETE SHALL BE GRADE 25.
3. ALL REINFORCED CONCRETE SHALL BE GRADE 40.
4. ALL LEAN CONCRETE SHALL BE GRADE 15.
5. MILD STEEL AND HIGH TENSILE STEEL REINFORCEMENTS SHALL CONFORM TO S.S.2.
7. FABRIC MESH REINFORCEMENTS SHALL CONFORM TO S.S. 32.
8. ALL PRECAST UNITS SHALL BE LAID CLOSE. THE MAXIMUM ALLOWABLE GAP
10. ALL GALVANISING TO BE HOT DIPPED GALVANISED COATING CONFORMING TO S.S.117.
1 1. SPECIFIED CHARACTERISTIC STRENGTH OF HIGH YIELD STEET BAR (T) IS 460 N/mm .
12. SPECIFIED CHARACTERISTIC STRENGTH OF PLAIN ROUND MILD STEEL BAR
(R) IS 250 N/mm .
TO 38 X 25 SHS
250 DIA. CONCRETE
BOLLARD WITH
GRANOLITHIC FINISH
TO ENGR’S DETAIL
R.C. DETAIL OF CONCRETE BOLLARD
FOR RAILING
16
21
62
400
25 X 6 GI FLAT BAR
100
75
50
38 X 25 SHS (3 THK)
38 X 25 SHS (3 THK)
38 X 25 SHS (3 THK)FULLY WELDED TO
75
50
20 ELEVATION C
ELEVATION C
1. ALL DIMENSIONS ARE IN MILLIMETRES UNLESS OTHERWISE STATED.
50 X 6
GI FLAT BAR
25 X 6 GI FLAT WELDED
150 X 150 X 10 THK GI PLATE ENCASED IN CONCRETE FOOTING
35
0
75 X 6 THK GI FLAT BAR
150 x 150 x 10 GI PLATE FULLY WELDED
TO 50 x 6 FLAT BAR AND 75 x 6 THK
GI FLAT BAR
GROUND100
( 3 THK )
6 THK GI FLAT
30 X 25 VERTICAL SHS (3 THK)
BAR
38
38
75 X 6 THK GI FLAT BAR
25 X 6 FLAT BAR
6 THK
13.ALL STEEL MEMBERS FOR RAILING SHALL BE GALVANISED & PAINTED to
PAINTING SPECIFICATIONS AS OUTLINED IN NOTE NO.5 OF DRAWING NO. 6
APPROVED SPECIAL RAILINGSDRAWING NO. 7B
Notes:
1 ALL DIMENSIONS ARE IN MILLIMETRES UNLESS OTHERWISE STATED.
2 ALL CONCRETE TO BE MINIMUM GRADE 20 UNLESS OTHERWISE STATED.
3 THE STRUCTURAL DETAILS OF THE REINFORCED CONCRETE PAVEMENT SHALL BE DESIGNED TO WITHSTAND PEDESTRIAN LOADINGS IN
ACCORDANCE WITH LAND TRANSPORT AUTHORITY'S REQUIREMENTS
4 SLOT-OUTLETS ARE TO BE PROVIDED FOR A MINIMUM DISTANCE OF 3 TIMES THE SIDE CARRIAGEWAY WIDTH OVER THE "BLIND" EDGE OF THE
T-JUNCTION WHERE THE T-JUNCTION IS LOCATED AT A LOWER LEVEL THAN THE CONNECTING SIDE CARRIAGEWAY ALTERNATIVELY, DROP-
INLET CHAMBERS ARE TO BE PROVIDED AT INTERVALS OF 3.0m OVER A MINIMUM DISTANCE OF 3 TIMES THE SIDE CARRIAGEWAY WIDTH.