MANUAL REVIEWER COMBI 1 Flashcards
Field offices and living quarters shall be constructed within ___ months upon the commencement of the works.
A. 1
B. 2
C. 3
D. 4
C
Field Office and other facilities provided by the contractor shall be within the ___ radius or preferable near the job site
A. 3 km
B. 4 km
C. 5 km
D. 2.5 km
C
Based on Survey and staking requirements, when the centerline horizontal curve radius is less than or equal to 150 m and vertical parabolic curve radius is less than or equal to 100 m, cross-section shall be taken at a maximum centerline spacing of ___.
A. 5m
B. 10m
C. 15m
D. 20m
B
Based on survey and staking requirements when the centerline horizontal curve radius is greater than 150 m and vertical parabolic curve radius is greater than 100 m, cross-section shall be taken at a maximum centerline spacing of ___.
A. 5m
B. 10m
C. 15m
D. 20m
D
If the slag is used on structural concrete, its density shall be less than ___.
A. 1,120 kg/m
B. 980 kg/m
C. 1,150 kg/m
D. 960 kg/m
A
Fly Ash, if specified or permitted as a mineral admixture, it shall not exceed ___ partial replacement of Portland Cement in concrete mix.
A. 5%
B. 10%
C. 15%
D. 20%
D
What is the maximum stacking layers of cement if the storage period is more than 60 days?
A. 10 layers
B. 7 layers
C. 12 layers
D. 14 layers
B
What is the maximum stacking layer of cement if the storage period is less than 60 days?
A. 10 layers
B. 7 layers
C. 12 layers
D. 14 layers
D
For timber forms, it is important that the moisture content of the timber that will be used to make the formwork in between ___.
A. 10 - 15%
B. 5 - 10%
C. 10 - 20%
D. 15 - 20%
D
What is the minimum thickness used for metal forms or of such thickness that the forms remain true to shape?
A. 2.5 - 3.0 mm
B. 2.0 - 3.0 mm
C. 3.0 - 5.0 mm
D. 3.5 - 4.0 mm
A
What is the minimum wall thickness of structural steel tubes used as support for forms?
A. 3.0 mm
B. 2.0 mm
C. 5.0 mm
D. 4.0 mm
D
What is the minimum slump of Lean concrete?
A. 30 mm
B. 25 mm
C. 50 mm
D. 75 mm
B
What is the maximum slump of Lean concrete?
A. 30 mm
B. 25 mm
C. 50 mm
D. 75 mm
D
For structural concrete, no deduction on payment will be made for the volume occupied by the pipe less than ___ outside diameter nor for reinforcing steel, anchors, weepholes, or expansion materials
A. 100 mm
B. 101 mm
C. 50 mm
D. 51 mm
B
What is the minimum pre-streaming period after placement of the concrete for pre-cast members?
A. 4 hrs
B. 3 hrs
C. 5 hrs
D. 2.5 hrs
A
What is the minimum curing period of Pre-Cast Concrete (except piles) by the water method?
A. 5 days
B. 7 days
C. 10 days
D. 14 days
B
All newly placed concrete for pre-cast concrete piles, conventionally reinforced or prestressed shall be cured by the “Water Method” except that the concrete shall be kept under moisture for at least ___
A. 5 days
B. 7 days
C. 10 days
D. 14 days
D
The rammed aggregate column is a system that could work well on most types of soils such as sands, clays, silts, and peat and could work equally well in these types of soils. What is the minimum depth of application?
A. 3m
B. 2m
C. 5m
D. 7m
C
What is the maximum sulfate content of filling materials used for reclamation?
A. 3%
B. 2%
C. 5%
D. 7%
B
The reclamation area shall be filled to the finished elevation shown on the Plane as approved by the Engineer with an allowable tolerance of ___
A. +- 25mm
B. +- 50 mm
C. +- 75 mm
D. +- 100 mm
D
An allowance of ___ shall be acceptable for over dredging, but in no case shall the entire dredging area be dredged to the allowable ___ tolerance.
A. 300 mm
B. 250 mm
C. 500 mm
D. 750 mm
A
The top edge of dredging works shall not be closer than ___ from existing riverbanks and/or river structures such as dikes, revetment, spur dikes and other river training structures.
A. 30 m
B. 20 m
C. 10 m
D. 15 m
C
What is the minimum floor area for medical room and first aid facilities?
A. 6 sqm
B. 10 sqm
C. 12 sqm
D. 15 sqm
D
What is the minimum glazed window area for medical rooms and first aid facilities?
A. 2 sqm
B. 3 sqm
C. 4 sqm
D. 5 sqm
A
Maximum spacing between centerline points shall be 10 m when the centerline horizontal curve radius is less than or equal to ___ and vertical parabolic curve radius is less than or equal to 100 m
A. 150 m
B. 300 m
C. 150 m
D. 50 m
A
When surveying and staking bridges, at least how many reference points each at downstream and upstream portion?
A. 2 each
B. 3 each
C. 1 each
D. 4 each
B
In case of any dangerous occurrence or major accident resulting in death or permanent total disability, the concerned employer shall initially notify the DOLE Regional Office within 24 hours from occurence
A. 12 hrs
B. 16 hrs
C. 24 hrs
D. 48 hrs
C
For road projects with a length of 10km or more, an additional billboard shall also be installed at every ___ interval
A. 2 km
B. 3 km
C. 4 km
D. 5 km
D
Based on OSH requirements, the services of a full-time registered nurse, a full-time physician, a dentist and infirmary or emergency hospital with 1 bed capacity when the number of employees exceed ___. In addition, there should be 1 bed capacity for every 100 employees more than ___.
A. 250
B. 300
C. 350
D. 500
B
Construction-caused delays to public traffic shall be limited to a maximum of ___ per passage through the project
A. 20 min
B. 30 min
C. 45 min
D. 60 min
B
Where borings are drilled to rock and this rock will impact foundation performance, it is generally recommended that a minimum ___ length of rock core be obtained to verify that the boring has indeed reached bedrock and not terminated on the surface of a boulder.
A. 1.5 m
B. 3.0 m
C. 1.0 m
D. 2.0 m
A
What is the minimum number of bores when conducting geotechnical investigation for piers and abutments of bridges over 30m wide?
A. 2 borings
B. 3 borings
C. 4 borings
D. 1 borings
A
What is the minimum number of bores when conducting geotechnical investigation per pier and abutment of bridges less 30m wide?
A. 2 borings
B. 3 borings
C. 4 borings
D. 1 borings
D
For buildings, generally, borings are made 1 at each corner of the structure and ___ at the center
A. 2 borings
B. 3 borings
C. 4 borings
D. 1 borings
D
For low load warehouse building of large area, a minimum of ___ at corners plus intermediate borings at interior foundations
A. 2 borings
B. 3 borings
C. 4 borings
D. 1 borings
C
All scaffolding and shoring shall be capable of supporting at least ___ the designed working loads
A. 2 times
B. 3 times
C. 4 times
D. 1.5 times
C
No scaffolding and shoring shall be erected to exceed ___ without written permission from the DPWH engineer
A. 20m
B. 30m
C. 10m
D. 15m
D
What is the minimum dimension of Elevators? IRR of BP 344
A. 1 x 1.40 m
B. 1.1 x 1.4 m
C. 1 x 1.5 m
D. 1.1 x 1.5m
B
What is the maximum height of a water closet? IRR of BP 344
A. 0.45 m
B. 0.30 m
C. 0.5 m
D. 0.25 m
A
What is the maximum height of a flush control of the water closet? IRR of BP 344
A. 1 m
B. 1.2 m
C. 0.8 m
D. 0.75 m
B
Rock shall be excavated to a depth of ___ below the subgrade within the limits of the roadbed
A. 100 mm
B. 150 mm
C. 200 mm
D. 250 mm
B
What is the maximum abrasion loss in mass percent of Gravel fill to be considered as suitable embankment material?
A. 30%
B. 40%
C. 50%
D. 25%
B
Specific gravity of suitable rock fill embankment shall be above ___
A. 2.5
B. 2.2
C. 2.3
D. 2.4
D
Embankment of earth material shall be placed in horizontal layers not exceeding ___.
A. 100 mm
B. 150 mm
C. 200 mm
D. 250 mm
C
When embankment dimensions are less than ___, the DPWH Engineer may waive the construction compaction trials.
A. 10 x 50 m
B. 5 x 10 m
C. 10 x 10 m
D. 10 x 15 m
A
Samples of the fine and coarse aggregates to be used shall be selected by the DPWH Engineer for tests at least ___ before the actual correcting operations shall begin
A. 20 days
B. 30 days
C. 12 days
D. 15 days
B
Storage buildings shall have capacity for storage of a sufficient quantity of cement to allow sampling at least ___ days before the cement is to be used
A. 20
B. 30
C. 12
D. 15
C
When mixing concrete in trucks, what is the minimum mixing speed in revolution per minute?
A. 3
B. 4
C. 5
D. 6
B
When mixing concrete in trucks, what is the maximum mixing speed in revolution per minute?
A. 3
B. 4
C. 5
D. 6
D
When placing concrete by pumping, what is the minimum discharge capacity of the equipment?
A. 1.5 cu.m/hr
B. 3 cu.m/hr
C. 5 cu.m/hr
D. 10 cu.m/ht
A
When placing concrete by pumping, what is the maximum discharge capacity of the equipment?
A. 1.5 cu.m/hr
B. 3 cu.m/hr
C. 5 cu.m/hr
D. 10 cu.m/hr
D
When placing concrete by pumping, what is the minimum pressure capacity of the equipment?
A. 0.3 MPa
B. 0.4 MPa
C. 0.5 MPa
D. 0.6 MPa
D
When placing concrete in water, what is the minimum diameter of the tremie tube?
A. 100 mm
B. 150 mm
C. 300 mm
D. 250 mm
D
This is the slump to be maintained when placing concrete in water
A. 3 - 5 cm
B. 4 - 8 cm
C. 5 - 8 cm
D. 6 - 8 cm
B
What is the minimum cement content of concrete Class Seal?
A. 380 kg/m3
B. 400 kg/m3
C. 350 kg/m3
D. 300 kg/m3
A
The concrete in walls, beams, columns, and the like shall be placed in horizontal layers not more than ___ thick
A. 100 mm
B. 150 mm
C. 300 mm
D. 250 mm
C
High Strength alloy steel bar for post-tensioning shall be proof stressed to ___ of the granted tensile strength
A. 80%
B. 90%
C. 85%
D. 95%
B
What is the minimum distance between reinforcing steel bars?
A. 40 mm
B. 20 mm
C. 30 mm
D. 50 mm
A
Lap splices shall not be permitted for bars larger than ___
A. 28mm dia
B. 32mm dia
C. 36mm dia
D. 25mm dia
C
The overlapping of Bar Mat shall not be less than ___ in width
A. 1 mesh
B. 2 mesh
C. 3 mesh
D. 2.5 mesh
A
What is the maximum engine capacity of the motorized banca if provided in the project contract (vehicle)?
A. 30 hp
B. 40 hp
C. 50 hp
D. 60 hp
A
If pick up type service vehicle is provided in the project contract, the engine displacement shall not exceed ___ for gasoline and 3,000 L for diesel and/or shall not have an engine exceeding 4 cylinders
A. 2,500 L
B. 3,000 L
C. 4,000 L
D. 2,000 L
A
What is the maximum transverse spacing between stakes?
A. 3m
B. 4m
C. 5m
D. 6m
C
When the centerline horizontal curve radius is greater than 150 m and vertical parabolic curve radius is greater than 100 m, the maximum distance between centerline points shall be ___
A. 30 m
B. 20 m
C. 10 m
D. 15 m
B
No other billboards shall be allowed to be installed ___ before and ___ after all DPWH projects and in-between the project limits or within the road right-of-way
A. 300 m
B. 200 m
C. 100 m
D. 150 m
C
At least how many days the Alternate traffic control plans should be submitted before intended use?
A. 20 days
B. 30 days
C. 12 days
D. 15 days
B
Where structures are to be founded directly on rock, the length of rock core should be not less than ___ & extended further if the use of socketed piles or drilled shafts are anticipated.
A. 3 m
B. 4 m
C. 5 m
D. 6 m
A
For retaining walls more than 30m in length, the spacing between borings should be no greater than ___ or fraction hereof
A. 30 m
B. 40 m
C. 50 m
D. 60 m
D
For cuts more than ___ in length, the spacing between borings along the length of the cut should generally be between 60 and 120m
A. 30 m
B. 40 m
C. 50 m
D. 60 m
D
At critical locations and high cuts, provide a minimum if ___ in the transverse direction to define the existing geological conditions for stability analysis
A. 2 borings
B. 3 borings
C. 4 borings
D. 1 boring
B
For buildings with basements, the depth of boring should extend to ___ the least dimension of the structure’s footprint added to the depth of basement.
A. 2 times
B. 3 times
C. 4 times
D. 1.5 times
A
Which of the following is prohibited as drilling fluid additives in soil investigations?
A. lubricants
B. foamers
C. emulsifiers
D. diesel fluid
D
Soil Penetration Test shall be performed at 450 mm sampling depth every ___ interval until the desired depth is attained
A. 3m
B. 2m
C. 1m
D. 1.5m
D
For scaffolding and shoring works, what is the minimum width of any work level?
A. 0.30 m
B. 0.40 m
C. 0.50 m
D. 0.60 m
C
All scaffolding and shoring work levels 10m or higher above ground or floor level, shall have a 100 mm toe board and handrails no less than ___ or more than 1.07 m high with a mid-rail
A. 0.915m
B. 0.815m
C. 0.715m
D. 0.515m
A
What is the minimum thickness of aluminum sheeting used for Sign panels (Signages)?
A. 3mm
B. 2mm
C. 1mm
D. 1.5mm
A
What is the maximum rise of every step in a stairway? BP 344
A. 300 mm
B. 200 mm
C. 100 mm
D. 250 mm
B
What is the minimum run of every step in a stairway? BP 344
A. 300 mm
B. 200 mm
C. 100 mm
D. 150 mm
D
The maximum variations in the height of risers and the width of treads in any flight shall be ___
A. 3 mm
B. 2 mm
C. 5 mm
D. 4 mm
C
Clearing shall extend beyond the toe of the fill slopes or beyond rounding of cut slopes as the case may be for the entire length of the project
A. 1 m
B. 2 m
C. 3 m
D. 4 m
A
All materials for excavation shall be classified as follows, except:
A. Unclassified Excavation
B. Rock Excavation
C. Peat Excavation
D. Muck Excavation
C
Basis of Payment of Structure Excavation is the volume outside of vertical planes ___ outside of and parallel to the neat lines pf footings and the inside walls of pipe and pipe-arch culverts at their widest horizontal dimensions
A. 300 mm
B. 250 mm
C. 450 mm
D. 350 mm
C
The placing of individual rocks and boulders greater than 600 mm in diameter shall be permitted provided that when placed, they do not exceed ___ in height
A. 1 m
B. 1.2 m
C. 1.5 m
D. 2 m
B
In areas affected by tidal action (rise and fall of water level) such as seabed, estuary, coastal area, etc. What is the basis of all elevation computations?
A. MLLW
B. MLWL
C. WLLM
D. MLWL
A
In areas not affected by tidal action such as riverbeds, floodway channel, creel or estero, etc. All elevations shall be referred to a ___ of known coordinates and elevation based on Mean Sea Level (MSL) established by the National Mapping and Resource Information Authority (NAMRIA)
A. BM
B. AM
C. CM
D. PM
A
The bench marks a generally located at about ___ interval along national, provincial, and municipal roads
A. 1 km
B. 2.5 km
C. 2 km
D. 3 km
A
What is the maximum permissible over dredging?
A. 300 mm
B. 250 mm
C. 450 mm
D. 350 mm
A
For reclamation, the materials above Mean Lower Low Water (MLLW) whether obtained by dredging or from borrow pits shall be spread out and compacted in layers not exceeding ___
A. 300 mm
B. 250 mm
C. 450 mm
D. 350 mm
A
No extraction, removal and/or disposition of materials shall likewise be allowed in offshore areas withing 500m distance from the coast to ___ from the mean low tide.
A. 300 m
B. 400 m
C. 500 m
D. 200 m
D
What class of concrete is used for thin reinforced sections, railings, precast RC piles and cribbing and for filler in steel grid floors?
A. Class A
B. Class B
C. Class C
D. Class P
C
What class of concrete is used for Prestressed concrete structures and members?
A. Class A
B. Class B
C. Class C
D. Class P
D
For structural concrete, the Maximum Size Aggregate (MSA) shall be or not larger than ___ of the narrowest dimensions between sides of forms of the member for which the concrete is to be used nor larger than ___ of the minimum clear spacing between individual reinforcing bars or pre-tensioning strands
A. 1/2 & 3/4
B. 3/4 & 3/4
C. 1/5 & 3/4
D. 1/5 & 2/3
C
If the coarse aggregate is subjected to 5 cycles of the sodium sulfate soundness. what is the maximum weighted loss?
A. 10 mass %
B. 12 mass %
C. 15 mass %
D. 5 mass %
B
What is the maximum mass percent of wear of Coarse Aggregates for structural concrete?
A. 30
B. 25
C. 40
D. 35
C
For lean concrete to be placed prior to placing of reinforcing steel bar or any prefabricated structure shall have a minimum compressive strength of ___ the required strength of 13.8 MPa at 7 days
A. 75%
B. 80%
C. 85%
D. 90%
B
Lapped splices will not be permitted at locations where the concrete sections are insufficient to provide minimum clear distance of ___ the maximum size of coarse aggregate between the splice and the nearest adjacent bar.
A. 1 1/3
B. 2 1/3
C. 3 1/3
D. 3/4
A
Concrete pouring of structural slab must have at least 20.7 MPa compressive strength at 28 days with a minimum thickness of 50mm to a maximum of ___
A. 75 mm
B. 80 mm
C. 90 mm
D. 100 mm
A
Concrete in the area represented by the cores will be deemed acceptable if the average of cores is equal to or at least ___ and no sample core is less than ___ of the specified strength otherwise it shall be rejected
A. 85% & 75%
B. 80% & 75%
C. 85% & 70%
D. 80% & 70%
A
The strength of concrete shall be deemed acceptable if the average of 3 consecutive strength test results is equal to or exceed the specified strength by more than 15%
A. 10%
B. 5%
C. 15%
D. 20%
C
B
