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問題一覧
1
shall be fixed in a position on the surface of the earth by monuments of permanent nature.
control surveys
2
control surveys are classified into two
geodetic and project control surveys
3
shall be conducted in the prs92 using survey grade gnss receivers
geodetic control surveys
4
geodetic control surveys shall be conducted in the prs92 using survey grade ____
gnss receivers
5
in section 3 geodetic control survey shall be a. project area recommendation by ____
RED
6
in section 3 geodetic control survey shall be b. person authorized to conduct is a qualified ____
Professional Geodetic Engineer
7
in section 3 geodetic control survey shall be c. survey order shall be issued by ____
Namria Administrator
8
shall be determined by the project contractor or the chief of party
Section 4: Organization of the Geodetic Control Survey Party
9
for general supervision, coordination activities, administrative
project main office
10
for data research, computations, cartographic and other relative activities man power shall include
office operations
11
for reconnaissance, monument setting, observations
field operations
12
3 components of field operations
survey control team, reconnaissance and monument recovery, monument setting team
13
Section 5: Geodetic Control Work Plan is composed of ______, ________
project management, technical plans
14
Section 5: Geodetic Control Workplan is forwarded to _____ for approval and the approved work shall be part of the _______.
NAMRIA, Survey Returns
15
man power compliments
Geodetic Control Survey Party
16
activity costing and the bill of materials both for the office and field operations
Financial Plan
17
complement for the project and their corresponding allocation in the different phases of work
Equipment
18
estimated duration of the project is expressed in number of ____ as per component
days
19
shall be used as base map for the geodetic network design
namria topographic map
20
namria topographic map shall be plotted on appropriate _____
scale
21
estimated number of _____ shall be shown be shown on the project site map
control points
22
______ measurements shall be included if NAMRIA has no available data for the area
proposed leveling
23
Section 7: Notification Survey shall be notified in writing before the conduct of the survey
provincial governors office thru the provincial engineers office, penro, dpwh district engineers office, cenro, city/municipal mayor thru the city or municipal engineers office, head of the field office, barangay chairman, lot/owner claimant
24
shall be composed of recovered/new control points and serves as guide in the conduct of actual ground survey
geodetic network design
25
Section 9: Baseline Length conduct of survey shall start from an establish _____ control point and shall end at another prs 92 control point
prs92
26
baseline length for the primary geodetic network nominal space (first order)
50 kilometers
27
baseline length for primary geodetic network nominal space (second order)
25 kilometers
28
baseline length for secondary geodetic network 3rd order
5 kilometers
29
baseline length for secondary geodetic network 4th order
variable (each barangay shall have at least a pair of control points not more than 2 km apart
30
Section 10: Designing Network of Controls ________ of stations are not necessary
intervisibility
31
network design preparation
points can be occupied, located in a stable ground, shall not be affected by any construction activity, swampy or loose areas should be avoided
32
in the network design, the ff shall be considered
terrain features, availability of old geodetic controls, number of gnss receivers, appropriate number of length of observations
33
Section 12: Preparation of the map of the project site
available namria topographic map, fixed controls (old control points), points to be established, caution inorder to scale the map correctly, each station numbered in accordance, field reconnaisance
34
minimum number of receivers per survey team
3 receivers
35
shall be conducted to strengthen weak geometric figures
reconnaissance
36
form of geodetic control monument
square based frustum
37
Geodetic Control Monument first order of accuracy top cross section
30x30cm
38
Geodetic Control Monument first order of accuracy bottom cross section
40x40cm
39
Geodetic Control Monument first, 2nd 3rd order of accuracy length
120 cm
40
Geodetic Control Monument first order of accuracy above ground
20 cm
41
Geodetic Control Monument first order of accuracy below ground
100 cm
42
Geodetic Control Monument 2nd order of accuracy top cross section
30x30cm
43
Geodetic Control Monument 2nd order of accuracy bottom cross section
40x40 cm
44
Geodetic Control Monument 2nd order of accuracy above ground
20cm
45
Geodetic Control Monument 2nd order of accuracy below ground
100 cm
46
Geodetic Control Monument 3rd order of accuracy top cross section
25x25 cm
47
Geodetic Control Monument 3rd order of accuracy bottom cross section
35x35 cm
48
Geodetic Control Monument 3rd order of accuracy above ground
20 cm
49
Geodetic Control Monument 3rd order of accuracy below ground
100 cm
50
Geodetic Control Monument 4th order of accuracy top cross section
20x20cm
51
Geodetic Control Monument 4th order of accuracy bottom cross section
35x35 cm
52
Geodetic Control Monument 4th order of accuracy length
100 cm
53
Geodetic Control Monument 4th order of accuracy above ground
20 cm
54
Geodetic Control Monument 4th order of accuracy below ground
80 cm
55
shall be fabricated with reinforced steel bar (10mm diameter for vertical bars and 8mm diameter for ties)
concrete monument
56
concrete specification ratio
1:2:4
57
conrete mixture
1 cubic meter cement, 2 cubic meter sand, 4 cubic meters gravel or (2 bags of cement, 4 bags of sand, 8 bags of gravel)
58
Section 18: the control point shall be identified by its complete geographic position which shall be expressed in
latitude, longitude, elevation
59
numbering of control points shall be _ to ____ for NAMRIA
1 to 3000
60
Type of receivers Single frequency baseline length
up to 10km
61
Type of receivers Single frequency mode of positioning
limited to static
62
Type of receivers Dual frequency baseline length
no limitation
63
Type of receivers Dual frequency mode of positioning
static, rapid static, kinematic, real-time kinematic
64
Section 21: Instrument preparation prior to field work no mixing of different receiver types or even ____
model
65
Section 21: Instrument preparation prior to field work always have spare of ____
batteries
66
Section 21: Instrument preparation prior to field work ensure that the memory device of the receiver has an ample _____
storage
67
Section 21: Instrument preparation prior to field work _____ are the same for all type of receivers
receiver setting
68
Section 22: Procedural conditions shall be observe before starting an operation a. form a session and shall be linked thru _____
pivot sites
69
Section 22: Procedural conditions shall be observe before starting an operation pivot sites shall be the station that are common to ___ or more stations
two
70
Section 22: Procedural conditions shall be observe before starting an operation receivers are set at the same logging interval (default is __ seconds)
15
71
Section 22: Procedural conditions shall be observe before starting an operation receivers shall have the same mask and is set at the same _____
coordinate system
72
Section 22: Procedural conditions shall be observed before starting of operation maximum pdop ___ and is less than ___ for shorter observation (rapid static)
7, less than 5
73
Section 22: Procedural conditions shall be observed before starting of operation survey mode shall be the same (if one is static mode others should be in ______
static mode
74
Section 23: Prescribed activities in the conduct of Gnss a. gnss receiver unit shall be set up on the survey mark/monument over the center which is usually a ______
brass/steel bar
75
Receiver properly connected to the power source. ______ in the power source will affect the entire observation
second glitch
76
antenna height shall be measured to the nearest ______
millimeter
77
major blunders or mistake of gnss observation is to _______ the antenna height
misread
78
at least ___ members of the team assigned to measure antenna height
2
79
antenna shall be oriented to the ____
north
80
mistakes in ______ measurements shall be taken before and after observations
height
81
observation begin after verifying if the instrument is logging data when the unit is turned ____
on
82
Section 24: minimum of 4 satellites static mode single frequency with baseline length 0-5 what is the minimum observation time
1hr
83
Section 24: minimum of 4 satellites static mode single frequency with baseline length 5-10 what is the minimum observation time
2hrs
84
Section 24: minimum of 4 satellites static mode single frequency with baseline length 0-5 with minimum observation time 1hr and 2 number of sessions. what is the interval between sessions
at least 30 mins
85
Section 24: minimum of 4 satellites static mode dual frequency with baseline length 10-20 what is the minimum observation time
1.5 hrs
86
Section 24: minimum of 4 satellites static mode dual frequency with baseline length 20-30 what minimum observation time
2 hrs
87
Section 24: minimum of 4 satellites static mode dual frequency with baseline length 30-50 what minimum observation time
3 hrs
88
Section 24: minimum of 4 satellites static mode dual frequency with baseline length 50-150 what minimum observation time
4 hrs
89
Section 24: minimum of 4 satellites static mode single and dual frequency what is the number of sessions
2
90
Section 24: minimum of 4 satellites static mode single and dual frequency what is the interval between sessions
at least 30 mins
91
minimum session length for the rapid/fast static mode number of satellites 4, up to 5 kms - ___
20 mins
92
minimum session length for the rapid/fast static mode up to 5 kms - 20 mins what is the number of satellite
4
93
minimum session length for the rapid/fast static mode no. of satellites is 4 up to 5kms - 20 mins, 5-10 kms - ___
35 mins
94
minimum session length for the rapid/fast static mode no. of satellites is ___ up to 5kms - 15 mins, 5-10 kms - 25 mins
5
95
minimum session length for the rapid/fast static mode no. of satellites is 5 up to 5kms - ___ , 5-10 kms - 25 mins
15 mins
96
minimum session length for the rapid/fast static mode no. of satellites is ___ up to 5kms - 10 mins , 5-10 kms - 20 mins
6 or more
97
minimum session length for the rapid/fast static mode no. of satellites is 6 or more up to 5kms - ____ , 5-10 kms - 20 mins
10 mins