DPWH BLUEBOOK (ITEM 300) |
Questions with Correct Answers |
Latest Update (2025/2026)
ITEM 300 - ,,,answer,,,..AGGREGATE SURFACE COURSE
300.1 Description - ,,,answer,,,..consist wearing or top course composed
of gravel or crushed aggregate and binder material
45 - ,,,answer,,,..The coarse aggregate material retained on the 2.00 mm
(No.10) sieve shall have a mass percent of wear by the Los Angeles Test
(AASHTO T 96) of not more than _______.
50 mass percent - ,,,answer,,,..When crushed aggregate is called for in
the Bill of Quantities, not less than fifty______________ of the particles
retained on the 4.75 mm (No. 4) sieve shall have at least one (1) fractured
face
0.075 mm (No.200) - ,,,answer,,,..___________________ sieve shall not be
greater than two-thirds of the fraction passing the 0.425 mm (No.40)
sieve.
35 , 4 to 9 - ,,,answer,,,..liquid limit not greater than ____________ and a
plasticity index range of ___________, when tested by AASHTO T 89 and T
90, respectively.
, 25% and 80% - ,,,answer,,,..Materials for gravel surface course and
crushed aggregate surface course shall have a soaked CBR Value of not
less than _____________
300.3.4 - ,,,answer,,,..Surface Course Thickness and Tolerances
+15 mm , - 5 mm - ,,,answer,,,..Permitted variation from design
THICKNESS OF LAYER
+15 mm , - 5 mm - ,,,answer,,,..Permitted variation from design LEVEL OF
SURFACE
5 mm - ,,,answer,,,..Permitted SURFACE IRREGULARITY Measured by 3-m
straight-edge
+0.2% - ,,,answer,,,..Permitted variation from design CROSSFALL OR
CAMBER
+0.1% - ,,,answer,,,..Permitted variation from designLONGITUDINAL
GRADE over25 m in length
ITEM 301 - ,,,answer,,,..BITUMINOUS PRIME COAT
301.1 - ,,,answer,,,..Description:
shall consist of preparing and treating an aggregate base course with
material in accordance with the Plans and Specifications, preparatory to
the construction of a bituminous surface course.
either Rapid Curing (RC) or Medium Curing (MC) Cut-back Asphalt -
,,,answer,,,..Bituminous material shall be ________________, whichever is
called for in the Bill of Quantities.
Questions with Correct Answers |
Latest Update (2025/2026)
ITEM 300 - ,,,answer,,,..AGGREGATE SURFACE COURSE
300.1 Description - ,,,answer,,,..consist wearing or top course composed
of gravel or crushed aggregate and binder material
45 - ,,,answer,,,..The coarse aggregate material retained on the 2.00 mm
(No.10) sieve shall have a mass percent of wear by the Los Angeles Test
(AASHTO T 96) of not more than _______.
50 mass percent - ,,,answer,,,..When crushed aggregate is called for in
the Bill of Quantities, not less than fifty______________ of the particles
retained on the 4.75 mm (No. 4) sieve shall have at least one (1) fractured
face
0.075 mm (No.200) - ,,,answer,,,..___________________ sieve shall not be
greater than two-thirds of the fraction passing the 0.425 mm (No.40)
sieve.
35 , 4 to 9 - ,,,answer,,,..liquid limit not greater than ____________ and a
plasticity index range of ___________, when tested by AASHTO T 89 and T
90, respectively.
, 25% and 80% - ,,,answer,,,..Materials for gravel surface course and
crushed aggregate surface course shall have a soaked CBR Value of not
less than _____________
300.3.4 - ,,,answer,,,..Surface Course Thickness and Tolerances
+15 mm , - 5 mm - ,,,answer,,,..Permitted variation from design
THICKNESS OF LAYER
+15 mm , - 5 mm - ,,,answer,,,..Permitted variation from design LEVEL OF
SURFACE
5 mm - ,,,answer,,,..Permitted SURFACE IRREGULARITY Measured by 3-m
straight-edge
+0.2% - ,,,answer,,,..Permitted variation from design CROSSFALL OR
CAMBER
+0.1% - ,,,answer,,,..Permitted variation from designLONGITUDINAL
GRADE over25 m in length
ITEM 301 - ,,,answer,,,..BITUMINOUS PRIME COAT
301.1 - ,,,answer,,,..Description:
shall consist of preparing and treating an aggregate base course with
material in accordance with the Plans and Specifications, preparatory to
the construction of a bituminous surface course.
either Rapid Curing (RC) or Medium Curing (MC) Cut-back Asphalt -
,,,answer,,,..Bituminous material shall be ________________, whichever is
called for in the Bill of Quantities.
