Vietnam: Norms of tools for constructing gravity network measurement

23:30, 10/07/2024

This content is stipulated in Circular 25/2018/TT-BTNMT issued by the Ministry of Natural Resources and Environment of Vietnam on December 14, 2018, promulgating the economic and technical norms for inspection, appraisal, and acceptance of the quality of surveying and mapping products.

According to Circular 25, the standards for equipment when constructing a gravity measurement network are prescribed in the following table:

No	Equipment List	Unit	Duration (months)	Rate
1	Insulated Labor Protection Jacket	piece	12	0.926
2	Raincoat	piece	36	0.926
3	Backpack	piece	24	1.853
4	Plastic Canteen	piece	36	1.853
5	Fabric Gloves	pair	3	1.853
6	High Boots	pair	6	1.853
7	Hard Hat	piece	12	1.853
8	Labor Protection Clothes	set	12	1.853
9	Fiber Socks	pair	6	1.853
10	Spade	piece	24	0.100
11	Compass	piece	36	0.010
12	Hand Calculator	piece	60	0.010
13	Plastic for Wrapping Documents	sheet	9	0.500
14	Map Tube	piece	36	0.500
15	Protractor	piece	60	0.010
16	Triangular Scale Ruler	piece	24	0.010
17	50m Fabric Tape Measure	piece	36	0.010
18	Document Bag	piece	12	0.500
19	Concrete Gun	piece	36	0.010

More details can be found in Circular 25/2018/TT-BTNMT of the Ministry of Natural Resources and Environment of Vietnam, effective from February 1, 2019.

-Thao Uyen-

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