DMC 2010-13 (GEODETIC CONTROL SURVEY) EXAM
GUIDE WITH COMPLETE SOLUTION
The plan of the United States to survey the Philippine Islands began in _______
when a _______ officer was sent to Manila with instructions to prepare a report
on the existing cartographic conditions in the Philippines and to obtain all
information necessary for the execution of geodetic, hydrographic, and
topographic surveys in the country. - ANSWER March 1900
United States Coast and Geodetic Survey (USCGS)
From _________, the USCGS established several triangulation networks all over
the country which had different origins. - ANSWER 1901 to 1911
In 1911, these different networks on different datums and with different
origins were consolidated into one nationwide network and the _______ was
established with triangulation station Balanacan as its datum origin. -
ANSWER Luzon Datum
The Luzon Datum of 1911 was defined by station Balanacan as datum origin,
using the station's ________, ______, and ______ to station Baltazar and Clarke
1866 as reference ellipsoid. - ANSWER astronomic latitude
longitude
azimuth
Balanacan station has the following description: - ANSWER Latitude = N 13°
33' 41.000"
Longitude = E 121° 52' 03.000"
,Balanacan Station Description:
Station mark is the center of a hole ____cm in diameter and __ cm deep, drilled
at the center of a triangle ___ cm on a side, cut in a hard rock. - ANSWER 1.5
6
16
Balanacan Station Description:
Reference mark is on a hard, white boulder of about one cubic meter in
volume, standing ___ cm above the ground and ___ cm higher than the
station. The mark is a hole ___ cm in diameter and __ cm deep, at the center of
a cross cut on top of this stone. - ANSWER 80
90
1.5
8
_________ established both stations with ______ as chief-of-party. Thus, a
geodetic station is said to be in the _____ if it is connected by continuous
triangulation from the Station Balanacan. - ANSWER Mr. O.W. Ferguson
Mr. H.D. King
Luzon Datum
The __________ developed until 1946, consisted of narrow chains of 2nd order
triangulation stations
concentrated along the coastal areas for topographic and hydrographic
surveys. - ANSWER Philippine Geodetic Network (PGN)
,PGN - ANSWER Philippine Geodetic Network
The PGN was upgraded into the Philippine Reference System of 1992 (PRS92)
through an _______ from 1988 to 1991. To date, the Station Balanacan is the
datum origin. - ANSWER Australian assisted project
During the development of PRS92 from 1987 to 1991, a total of ________ GPS
stations were established. Of these stations, 69 were common to the primary
triangulation network stations defined with the old Luzon datum. - ANSWER
360 (332 1st order, 17 2nd Order, 11 Third Order)
Section 1. ________ shall be fixed in a position on the surface of the earth by
monuments of permanent nature. - ANSWER Control Survey
shall refer to the survey conducted to determine the _________________ which
will form part of a geodetic network or project controls over an area which
will subsequently become the basis in determining the rectangular
coordinates in an area. (DAO 2007-29) - ANSWER Control Survey
horizontal and vertical positions of points
2 Classification of Control Survey - ANSWER Geodetic Control Survey
Project Control Survey
, Section 2. All _________ shall be conducted in the PRS 92 using survey grade
GNSS receivers. - ANSWER Geodetic Control Surveys
___________ shall refer to the surveys conducted covering extensive areas
which take into account the _________________ of the earth at sea level for the
purpose of establishing basic network of reference points, covering the first
and second order controls. (DAO 2007-29) - ANSWER Geodetic Control
Survey
curvature and the geoid-spheroidal shape
Section 3. The conduct of Geodetic Control Survey shall be in accordance
with the following conditions: - ANSWER a. Recommendation of the Regional
Executive Director (RED).
b. Authorized to conduct the survey shall be a licensed GE.
c. Survey Order issued by the NAMRIA Administrator.
d. Copy of the Contract.
GUIDE WITH COMPLETE SOLUTION
The plan of the United States to survey the Philippine Islands began in _______
when a _______ officer was sent to Manila with instructions to prepare a report
on the existing cartographic conditions in the Philippines and to obtain all
information necessary for the execution of geodetic, hydrographic, and
topographic surveys in the country. - ANSWER March 1900
United States Coast and Geodetic Survey (USCGS)
From _________, the USCGS established several triangulation networks all over
the country which had different origins. - ANSWER 1901 to 1911
In 1911, these different networks on different datums and with different
origins were consolidated into one nationwide network and the _______ was
established with triangulation station Balanacan as its datum origin. -
ANSWER Luzon Datum
The Luzon Datum of 1911 was defined by station Balanacan as datum origin,
using the station's ________, ______, and ______ to station Baltazar and Clarke
1866 as reference ellipsoid. - ANSWER astronomic latitude
longitude
azimuth
Balanacan station has the following description: - ANSWER Latitude = N 13°
33' 41.000"
Longitude = E 121° 52' 03.000"
,Balanacan Station Description:
Station mark is the center of a hole ____cm in diameter and __ cm deep, drilled
at the center of a triangle ___ cm on a side, cut in a hard rock. - ANSWER 1.5
6
16
Balanacan Station Description:
Reference mark is on a hard, white boulder of about one cubic meter in
volume, standing ___ cm above the ground and ___ cm higher than the
station. The mark is a hole ___ cm in diameter and __ cm deep, at the center of
a cross cut on top of this stone. - ANSWER 80
90
1.5
8
_________ established both stations with ______ as chief-of-party. Thus, a
geodetic station is said to be in the _____ if it is connected by continuous
triangulation from the Station Balanacan. - ANSWER Mr. O.W. Ferguson
Mr. H.D. King
Luzon Datum
The __________ developed until 1946, consisted of narrow chains of 2nd order
triangulation stations
concentrated along the coastal areas for topographic and hydrographic
surveys. - ANSWER Philippine Geodetic Network (PGN)
,PGN - ANSWER Philippine Geodetic Network
The PGN was upgraded into the Philippine Reference System of 1992 (PRS92)
through an _______ from 1988 to 1991. To date, the Station Balanacan is the
datum origin. - ANSWER Australian assisted project
During the development of PRS92 from 1987 to 1991, a total of ________ GPS
stations were established. Of these stations, 69 were common to the primary
triangulation network stations defined with the old Luzon datum. - ANSWER
360 (332 1st order, 17 2nd Order, 11 Third Order)
Section 1. ________ shall be fixed in a position on the surface of the earth by
monuments of permanent nature. - ANSWER Control Survey
shall refer to the survey conducted to determine the _________________ which
will form part of a geodetic network or project controls over an area which
will subsequently become the basis in determining the rectangular
coordinates in an area. (DAO 2007-29) - ANSWER Control Survey
horizontal and vertical positions of points
2 Classification of Control Survey - ANSWER Geodetic Control Survey
Project Control Survey
, Section 2. All _________ shall be conducted in the PRS 92 using survey grade
GNSS receivers. - ANSWER Geodetic Control Surveys
___________ shall refer to the surveys conducted covering extensive areas
which take into account the _________________ of the earth at sea level for the
purpose of establishing basic network of reference points, covering the first
and second order controls. (DAO 2007-29) - ANSWER Geodetic Control
Survey
curvature and the geoid-spheroidal shape
Section 3. The conduct of Geodetic Control Survey shall be in accordance
with the following conditions: - ANSWER a. Recommendation of the Regional
Executive Director (RED).
b. Authorized to conduct the survey shall be a licensed GE.
c. Survey Order issued by the NAMRIA Administrator.
d. Copy of the Contract.
