PLAN
GENERAL NOTES (CONSTRUCTION)
GENERAL NOTES (DESIGN CRITERIA)
1. STANDARD SPECIFICATION :
ALL WORKS SHALL COMPLY WITH DPWH STANDARD SPECIFICATION FOR HIGHWAYS, BRIDGES AND AIRPORTS
REVISED 2013 SPECIAL PROVISION AND SUPPLEMENTAL SPECIFICATIONS PERTAINING TO THIS PROJECT,
CONDITIONS OF CONTRACT (INT'L) FOR WORKS OF CIVIL ENGINEERS CONSTRUCTION, 2ND EDITION,
PREPARED BY F.I.D.I.C. SHALL ALSO GOVERN.
1.0
THIS DESIGN CRITERIA IS BASED ON THE DESIGN CRITERIA OF THE DEPARTMENT OF PUBLIC
WORKS AND HIGHWAYS PROPOSED AND IMPLEMENTED BRIDGE PROJECTS.
1.1
SPECIFICATIONS
STANDARD SPECIFICATION FOR HIGHWAY BRIDGES, 16TH EDITION, 1996, ADOPTED BY THE
AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS (AASHTO)
2. DIMENSIONS
UNLESS OTHERWISE SPECIFIED, ALL DIMENSIONS WHICH
CONTROL POINTS AND ELEVATIONS ARE MEASURED IN METERS.
DESIGN GUIDELINES, CRITERIA AND STANDARDS, DPWH.
INCLUDE STATIONING, DISTANCES BETWEEN
NATIONAL STRUCTURAL CODE OF THE PHILIPPINES, NSCP VOL. I, 2010
3. ALIGNMENT AND GRADE
NO ALTERATION OR CHANGE IN ALIGNMENT AND GRADE SHALL BE MADE UNLESS EXISTING FIELD CONDITION
SO WARRANT AND ONLY UPON WRITTEN ORDER BY THE ENGINEERS AND APPROVED BY THE PROPER
AUTHORITY CONCERNED.
DPWH DEPARTMENT ORDER NO. 75 SERIES OF 1992
1.2
LOADS
1.2.1 DEAD LOAD
A. PLAIN CONCRETE
B. REINFORCED CONCRETE
C. STRUCTURAL STEEL
D. FILL MATERIALS
E. WEARING SURFACE
4. REMOVAL OF EXISTING STRUCTURES AND OBSTRUCTIONS
A. ALL WORKS SHALL COMPLY WITH CLAUSE 39 "REQUIREMENTS AND CONDITIONS OF CONTRACTS",
VOLUME-1 OF THE STANDARD SPECIFICATIONS FOR PUBLIC WORKS AND HIGHWAYS, 2013.
B. PORTION OF EXISTING UTILITIES, SUCH AS WATER MAINS, IRRIGATION CHANNELS, TELEPHONE POST AND
TRUNK LINES ETC., THAT MAY CAUSE OBSTRUCTIONS TO THE CONSTRUCTION OF THIS PROJECT SHALL
BE RELOCATED BY THE ENTITY OR OWNER CONCERNED, EXTREME PRECAUTIONS SHALL BE
EXERCISED. DAMAGED THEREOF SHALL BE THE ACCOUNT OF THE CONTRACTOR.
23 kN/m³
24 kN/m³
77 kN/m³
19 kN/m³
1.05 kPa
1.2.2 LIVE LOAD
LIVE LOADING SHALL BE AASHTO MS-18 (HS20-44) TRUCK LOAD
5. SUB - GRADE, SUB - BASE AND BASE
TRUCK LOADING
A. UNSUITABLE SUB - GRADE MATERIAL SHALL BE EXCAVATED BELOW THE GROUND SURFACE TO THE
REQUIRED WIDTH AND DEPTH, THE AREA TO BE EXCAVATED SHALL BE BACKFIELD WITH APPROVED
MATERIAL.
36 kN
144 kN
144 kN
B. NO EMBANKMENT MATERIALS SHALL BE PLACE UNTIL THE FOUNDATION IS STABLE.
4.27 m
4.27 - 9.0 m
6. CONCRETE AND CONCRETE PAVEMENT
A. ALL CONCRETE TO BE USED IN THIS PROJECT SHALL BE CLASS "A" UNLESS OTHERWISE INDICATED.
B. NO ADMIXTURES OR ADDITIVES WILL BE ALLOWED FOR ALL CONCRETE WORKS WITHOUT PRIOR APPROVAL
FROM THE SECRETARY OF DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS OR HIS DULY REPRESENTATIVE.
C. TRAFFIC SHALL BE REQUIRED TO REDUCE SPEED WHEN PASSING THE VICINITY OF THE NEWLY LAID
CONCRETE PAVEMENT UNTIL SUCH TIME THAT IT HAS OBTAINED THE FOURTEEN (14) DAYS REQUIRED
STRENGTH.
1.3
MATERIAL PROPERTIES
1.3.1 REINFORCED CONCRETE
7. DRAINAGE
COMPRESSIVE STRENGTH OF CONCRETE AT 28TH DAY,
MODULUS OF ELASTICITY OF CONCRETE,
A. EXACT LOCATION, SLOPE, OUT FALLS AND INVERT ELEVATIONS OF DRAINAGE STRUCTURES SHALL BE
CHECKED IN THE FIELD BY THE ENGINEER, MINOR ADJUSTMENT MAY BE MADE BY THE APPROVAL OF THE ENGINEER
TO SUIT ACTUAL FIELD CONDITION.
B. EXISTING DRAINAGE STRUCTURE, OR PART THEREOF REMOVED BY THE CONTRACTOR THAT ARE STILL
SERVICEABLE SHALL BE UNREAD OVER TO THE GOVERNMENT AND SHALL BE DEPOSITED AT A PLACE WITHIN THE
PROJECT SITE DESIGNATED BY THE ENGINEER WITHOUT ANY EXTRA COMPENSATION, EXTREME PRECAUTION SHALL
BE EXERCISED BY THE CONTRACTOR NOT TO DAMAGE THESE MATERIALS DURING THE REMOVAL AND
HANDLING.
B. THE CHECKING OF CONSTRUCTION STAKES BY THE ENGINEER SHALL NOT IN ANY WAY RELIEVE THE
CONTRACTOR OF HIS RESPONSIBILITY FOR THE CORRECTNESS THEREOF AND THE CON TRACTOR
SHALL
CAREFULLY PROTECT AND PRESERVE ALL BENCH MARK, PEGS AND OTHER THINGS USED IN SETTING OUT THE WORK.
C. IN THE CASE OF 'CHARGES" OR CHANGE IN CONDITION" WHICH INVOLVES ANY CHANGES IN STAKE OUT,
THE CONTRACTOR SHALL COOPERATE WITH THE ENGINEER AND FACILITATE THE PROMPT RE - ESTABLISHMENT OF
THE FIELD CONTRACT FOR THE ALTERNATIVE OR ADJUSTED WORK.
9. STANDARD DRAWING
THE NECESSARY DRAWING CONTAINED IN THE DPWH STANDARD DRAWING FOR ROAD SHALL BE UTILIZED
FOR THE PROJECT UNLESS OTHERWISE A MORE DETAILED.
10. QUANTITY
QUANTITY OF VARIOUS WORK ITEM INVOLVED ARE SUBJECT TO DECREASE OR INCREASE DEPENDING ON
THE ACTUAL FIELD CONDITION.
11. ACCESS RAMP (B.P. 344 ACCESSIBILITY LAW)
PURSUANT TO BATASANG PAMBANSA 344, THE CONTRACTOR SHALL CONSTRUCT ACCESS RAMPS ALLOTTED FOR
PERSON WITH DISABILITY (PWD) ON AREAS TO BE IDENTIFIED BY THE PROJECT ENGINEER DURING THE PROJECT
IMPLEMENTATION.
=
=
=
20.7 MPa
4730 fc'
21,520 MPa
1.3.2 REINFORCING STEEL
REINFORCING STEEL SHALL BE DEFORMED BAR WITH DEFORMATION CONFORMING TO ASTM A 615
(AASHTO M31) GRADE 40 AND EQUIVALENT TO PHILIPPINE TRADE STANDARD (PTS) GRADE 276
REINFORCEMENT BARS MIN. YIELD STRENGTH,
8. CONSTRUCTION STAKES
A. THE CONTRACTOR WILL BE RESPONSIBLE FOR THE TRUE AND PROPER SETTING - OUT OF THE WORK
OR IMPROVEMENT AND FOR CORRECTNESS OF POSITION, LEVEL, SLOPE AND CONTINUOUS PROFILE GRADE IN
ROAD WORK. HE WILL SET CONSTRUCTION STAKES, ESTABLISHING LINES, SLOPE AND CONTINUOUS PROFILE
WORK AND OTHER LINE AND BENCH MARK FOR BRIDGE WORK, GRADE IN ROAD PROTECTIVE AND NECESSARY
STRUCTURES AND APPURTENANCES CULVERT WORK, AS ARE DEEMED NECESSARY FROM THE REFERENCE DATE TO
BE FURNISHED BY THE ENGINEER IN WRITING.
fC
EC
MODULUS OF ELASTICITY STEEL,
1.4
fy
=
276 MPa
Es
=
200, 000 MPa
qa
=
150 kPa
FOUNDATION
ASSUMED SOIL BEARING CAPACITY,
PLAN
STANDARD PORTLAND CEMENT CONCRETE PAVEMENT DETAILS
(SHOWING SPECIFICATION AND PLACEMENT OF PLAIN DOWELS AND TIE BARS)
DOWELLED EXPANSION JOINT DETAIL
TYPICAL PLAN OF TWO LANE PAVEMENT
SCALE
SECTION
SCALE
NTS.
NTS.
SCALE
SECTION
SECTION
SCALE
SCALE
SCALE
NTS.
SECTION
SECTION
SCALE
SCALE
NTS.
SCALE
NTS.
SECTION
NTS.
DETAIL OF BAR SPACING ALONG CURVES
PLAN (SHOWING FLARING OF EXISTING CONC. PAVEMENT)
NTS.
WEAKENED GROOVE DETAIL
NTS.
SCALE
ELEVATION (SHOWING ASSEMBLY OF
DEFORMED METAL PLATE FOR 4.50m PANEL)
SCALE
NTS.
NTS.
NTS.
DETAIL OF JOINT RIGID PAVEMENT
SCALE
NTS.
PLAN
DPWH QCSED
0.50
W = 6.00m
CAST IRON W/ EMBOSSED
DPWH QCSED LETTERING
0.50
(WIDTH OF PROPOSED CONCRETING)
CONSTRUCT CONCRETE C & G, PRECAST
(*See Detail)
CONSTRUCT CONCRETE SIDEWALK
(*See Detail)
PROP. METAL FRAME & GRATING
(*See Detail)
PROP. METAL FRAME & GRATING
(*See Detail)
C
1.5% SLOPE
CONSTRUCT CONCRETE C & G, PRECAST
(*See Detail)
CONSTRUCT CONCRETE SIDEWALK
(*See Detail)
METAL FRAME & GRATING DETAIL (Cast Iron)
1.5% SLOPE
CONSTRUCT MANHOLES, 610mm DIA., CONCRETE / CHB (*See Detail)
CONSTRUCT MANHOLES, 610mm DIA., CONCRETE / CHB (*See Detail)
PROP. INSTALLATION OF PIPE CULVERTS, 610mm. DIA. (24" ∅) CLASS II
PROP. INSTALLATION OF PIPE CULVERTS, 610mm. DIA. (24" ∅) CLASS II
PROP. PCC PAVEMENT (PLAIN) - CONVENTIONAL METHOD, 230mm. THK. (550f Mpa) 3 days
PROP. AGGREGATE SUB-BASE COURSE (t = 0.10m.)
TYPICAL ROADWAY CROSS-SECTION A-A
SIDEWALK, CURB & GUTTER DETAIL
5.10
0.50
W = 6.00m
0.50
1.10
(SW / DW)
(C&G)
(WIDTH OF PROPOSED CONCRETING)
(C&G)
(SW / DW)
CONSTRUCT CONCRETE C & G, PRECAST
(*See Detail)
CONSTRUCT CONCRETE C & G, PRECAST
(*See Detail)
C
CONSTRUCT CONCRETE SIDEWALK / DRIVEWAY (*See Detail)
1.5% SLOPE
1.5% SLOPE
PROP. INSTALLATION OF PIPE CULVERTS, 610mm. DIA. (24" ∅) CLASS II
CONSTRUCT CONCRETE SIDEWALK / DRIVEWAY (*See Detail)
PROP. INSTALLATION OF PIPE CULVERTS, 610mm. DIA. (24" ∅) CLASS II
PROP. PCC PAVEMENT (PLAIN) - CONVENTIONAL METHOD, 230mm. THK. (550f Mpa) 7 days
PROP. AGGREGATE SUB-BASE COURSE (t = 0.10m.)
DRIVEWAY, CURB & GUTTER DETAIL
TYPICAL ROADWAY CROSS-SECTION B-B
PLAN
1260
E
B
6mm THK. MS PLATE
METAL FRAME & GRATING
(SEE DETAIL)
D
353
RCPC
RCPC
MANHOLE COVER
(SEE DETAIL)
Ø20 U-BOLT
LIFTING HOOK
W/ PIPE SLEEVE
A
6mm THK. MS PLATE
PLAN
2 - 12mmØ WELDED TO PLATE
DETAIL "A"
1260
DETAIL "B"
TRAVEL WAY
12mmØ TRANSVERSE BAR
@ 300mm
3-12mmØ LONG'L TOP BAR
6mm THK. MS PLATE
FULL WELD
160
SIDEWALK
GUTTER
CURB
RCPC
PLAN
4 - Ø12 W/
Ø12 STIRRUPS
@ 200mm
METAL FRAME & GRATING
(SEE DETAIL)
7 - Ø12 W/
Ø 12 STIRRUPS
@ 200mm
100 x 300 x 5mm
STOPPER PLATE
Ø20 U-BOLT
LIFTING HOOK
W/ PIPE SLEEVE
3-12mmØ LONG'L BOTTOM BAR
SECTION THRU D
CONCRETE
SIDEWALK
AGGREGATE BASE
COURSE, t = 0.10M
6mm THK. MS PLATE
6mm THK. MS PLATE
2 - 12mmØ WELDED TO PLATE
2 - 12mmØ WELDED TO PLATE
SEE DETAIL "A"
AGGREGATE BASE
COURSE, t = 0.10M
SEE DETAIL "B"
6" x 8" x 16" CHB (PLASTERED) W/
12mmØ VERT. BAR @ 300mm;
12mmØ HOR. BAR @ EVERY
2 LAYERS
12mmØ TRANSVERSE BAR
@ 300mm
3-12mmØ LONG'L TOP BAR
12mmØ WELDED TO PLATE
160
6" x 8" x 16" CHB (PLASTERED) W/
12mmØ VERT. BAR @ 300mm;
12mmØ HOR. BAR @ EVERY
2 LAYERS
353
Ø20 U-BOLT
LIFTING HOOK
W/ PIPE SLEEVE
FULL WELD
Ø20 STEP RUNG @ 300mm
Ø20 STEP RUNG @ 300mm
100 x 300 x 5mm
STOPPER PLATE
6mm THK. MS PLATE
RCPC
RCPC
3-12mmØ LONG'L BOTTOM BAR
RCPC
SECTION THRU E
SLOPE
STRUCTURE
EXCAVATION
STRUCTURE
EXCAVATION
MANHOLE COVER DETAIL
LEAN CONCRETE,
t = 0.10M
MANHOLE COVER REINFORCEMENT SCHEDULE
LEAN CONCRETE,
t = 0.10M
SECTION THRU A
SECTION THRU B
NOTES:
1. CONCRETE fc' = 21.00 MPa
2. REINFORCING BARS
USE STRUCTURAL GRADE DEFORMED BARS, Fy = 276.00 MPa
3. STRUCTURAL STEEL - USE A36 STEEL, Fy = 248.00 MPa
4. STRUCTURAL WELD - USE E-60XX ELECTRODE
DIMENSIONS IN MILLIMETERS OTHERWISE INDICATED
RCPC
Diameter, D
Wall Thickness, t
in
mm
mm
24
CURB INLET MANHOLE DETAIL
610
75
Dimension, mm
No. of Manhole
Cover, N
L
W
T
db, mm
3
1260
353
160
12
Bar Reinforcement
No. of Bars, pcs.
Spacing, mm
Long'l Top Bar db, mm Long'l Bottom Bar db, mm Transverse Bar
3
12
3
12
300
CIM COVER REINF. SCHEDULE
NOTE: ADOPTED FROM THE APPROVED STANDARD PLANS
OF DPWH-NCR-RO
PLAN
1260
B
D
METAL FRAME & GRATING
(SEE DETAIL)
12mm THK. MS PLATE
C
530
RCPC
RCPC
MANHOLE COVER
(SEE DETAIL)
A
12mm THK. MS PLATE
75mmØ PIPE SLEEVE
PLAN
2 - 12mmØ WELDED TO PLATE
TRAVEL WAY
DRIVEWAY
GUTTER
CURB
RCPC
1260
DETAIL "A"
DETAIL "B"
12mm THK. MS PLATE
FULL WELD
250
PLAN
12mmØ TRANSVERSE BAR
@ 75mm
5-12mmØ LONG'L TOP BAR
4 - Ø12 W/
Ø12 STIRRUPS
@ 200mm
4-16mmØ LONG'L BOTTOM BAR
75mmØ PIPE SLEEVE
METAL FRAME & GRATING
(SEE DETAIL)
SECTION THRU C
7 - Ø12 W/
Ø 12 STIRRUPS
@ 200mm
DRIVEWAY
2 - 12mmØ WELDED TO PLATE
2 - 12mmØ WELDED TO PLATE
12mm THK. MS PLATE
12mm THK. MS PLATE
75mmØ PIPE SLEEVE
12mmØ TRANSVERSE BAR
@ 75mm
5-12mmØ LONG'L TOP BAR
12mmØ WELDED TO PLATE
SEE DETAIL "B"
SEE DETAIL "A"
Ø12 @ 200mm O.C.
AGGREGATE BASE
COURSE, t = 0.10M
AGGREGATE BASE
COURSE, t = 0.10M
Ø12 @ 100mm O.C.
Ø12 @ 200mm O.C.
250
Ø12 @ 100mm O.C.
530
Ø12 @ 200mm O.C.
Ø20 STEP RUNG @ 300mm
Ø12 @ 200mm O.C.
Ø20 STEP RUNG @ 300mm
FULL WELD
12mm THK. MS PLATE
RCPC
RCPC
4-16mmØ LONG'L BOTTOM BAR
RCPC
EMBANKMENT
SECTION THRU D
SLOPE
STRUCTURE
EXCAVATION
STRUCTURE
EXCAVATION
R.C. MANHOLE COVER DETAIL
CONST. JT.
CONST. JT.
Ø16 @ 150mm O.C.
BOTHWAYS
Ø12 @ 100mm O.C.
BOTHWAYS
LEAN CONCRETE,
t = 0.10M
SECTION THRU A
Ø16 @ 150mm O.C.
BOTHWAYS
Ø12 @ 100mm O.C.
BOTHWAYS
LEAN CONCRETE,
t = 0.10M
SECTION THRU B
NOTES:
1. CONCRETE fc' = 21.00 MPa
2. REINFORCING BARS
USE STRUCTURAL GRADE DEFORMED BARS, Fy = 276.00 MPa
3. STRUCTURAL STEEL - USE A36 STEEL, Fy = 248.00 MPa
4. STRUCTURAL WELD - USE E-60XX ELECTRODE
DIMENSIONS IN MILLIMETERS OTHERWISE INDICATED
*ADOPTED FROM NCR-RO STANDARD DRAWING DETAILS
REINF. CONC. MANHOLE DETAIL
MANHOLE COVER REINFORCEMENT SCHEDULE
RCPC
Diameter, D
Wall Thickness, t
in
mm
mm
24
610
75
Dimension, mm
No. of Manhole
Cover, N
L
W
T
2
1260
530
250
Bar Reinforcement
No. of Bars, pcs.
db, mm Long'l Bottom Bar db, mm Long'l Top Bar
16
4
12
5
Spacing, mm
db, mm Transverse Bar
12
75
RCMH COVER REINF. SCHEDULE
NOTE: ADOPTED FROM THE APPROVED STANDARD PLANS
OF DPWH-NCR-RO
PLAN
CONCRETE CURB
SIDEWALK LEVEL
1.5% Slope
0.50
8% Slope
CONCRETE / ASPHALT PA
CONCRETE GUTTER
VEMENT
CONC. GUTTER
CONC.
CURB
0.33
0.15
8%
AGG. BASE COURSE (0.05m THK.)
Slop
e
0.19
0.10
8% SL
OPE
0.30
TYPICAL SECTION
0.50
0.50
CONCRETE GUTTER
CONCRETE CURB
ISOMETRIC VIEW
0.50
0.50
0.33
0.20
0.15
8% Slope
0.15
0.18
CONCRETE GUTTER
0.33
0.33
0.18
CONCRETE CURB
0.15
0.01
0.15
0.20
10mm PREFORMED JOINT FILLER
0.10
0.50
CONCRETE CURB & GUTTER DETAILS
"D"
0.30
0.10
0.10
REAR ELEV. OF CURB
0.10
0.10
REAR ELEV. OF GUTTER
"D"
NOTES:
CONCRETE
SIDEWALK
CONCRETE CURB
1. MATERIAL AND CONSTRUCTION REQUIREMENTS SHALL
CONFORM TO DPWH STANDARD SPECIFICATIONS FOR
HIGHWAYS AND BRIDGES 2004.
2. USE OF MONOFILAMENT POLYPROPYLENE SYNTHETIC
FIBERS ( D.O. 95, SERIES 2005 ) AS ADDITIVE TO
CONCRETE MIX.
CONCRETE GUTTER
CURB INLET
TYPICAL LAYOUT OF CONCRETE CURB AND GUTTER
WITH CURB INLET
3. CONCRETE CURB AND GUTTER SHALL BE CONSIDERED IN
THE DESIGN OF PAVED ROADS IF THE FUNCTION IS TO
FACILITATE THE CHANNELLING OF SURFACE WATER RUN-OFF
THUS PREVENTING THE EROSION OF SHOULDERS AND SLOPE.
4. MINIMUM CURB INLET INTERVAL ("D") 10.00 METERS IN FLOODED
AREAS.
5. MINIMUM CURB INLET INTERVAL ("D") 20.00 METERS IN OTHER
AREAS.
PLAN
4.50m
1.50
0.10
4.50m
1.50
0.10 0.10
4.50m
1.50
0.10 0.10
0.10 0.10
CHLORINATED RUBBERIZED FLOOR PAINT (RED)
0.10
0.50
W = 1.50m
0.20
CONCRETE SIDEWALK / DRIVEWAY
0.20
0.20
0.30
CONCRETE CURB & GUTTER (PRECAST)
W = 6.00m.
CONCRETE PAVEMENT
CL
0.30
0.20
0.20
W = 1.50m
0.50
CONCRETE PAVEMENT
CONCRETE CURB & GUTTER (PRECAST)
CONCRETE SIDEWALK / DRIVEWAY
0.20
CONC. SIDEWALK / DRIVEWAY PAINTING DET.
UP
(2% SLOPE)
UP
(2% SLOPE)
PLAN
TOP VIEW
ACCESSIBILITY RAMP DETAIL
ISOMETRIC VIEW