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Practical Surveying Laboratory

The **Practical Surveying Laboratory** at BUBT provides civil engineering students with hands-on training in land surveying and geomatics. Through experiments like contouring, levelling, and total station traversing, students learn to operate precision equipment accurately. This bridging of theory and practice ensures graduates can confidently collect, process, and interpret geospatial data for real-world infrastructure projects.

Room: 907 Floor: 8, Building: 3, BUBT Main Campus

Capacity: 25 Students

Theodolite, Levelling Machine, Total Station, Engineering Chain, Ranging Rod, Levelling Staff, Optical Square

About This Facility

Department of Civil Engineering

Bangladesh University of Business and Technology (BUBT)

Practical Surveying Laboratory Profile

📌 Overview

The Practical Surveying Laboratory is a core undergraduate facility where students gain hands-on experience with land surveying instruments and field measurement techniques. The laboratory directly supports core courses in Surveying and Geomatics by providing essential practical training in distance, angle, elevation, and coordinate measurements using both conventional and modern cutting-edge surveying equipment.

🎯 Objectives

Instrument Familiarization: Familiarize students with foundational surveying instruments and systematic field procedures.
Skill Development: Develop hands-on practical skills in levelling, traversing, and topographic mapping.
Advanced Equipment Training: Train students to expertly operate digital theodolites, total stations, and automatic levelling instruments.
Data Precision: Improve accuracy and minimize errors in field data collection, field-book recording, and engineering computations.
Theory Integration: Bridge theoretical surveying concepts perfectly with real-world field applications.
Professional Growth: Develop essential professional field reporting, data presentation, and collaborative teamwork skills.

📝 Major Experiments Conducted

Chain Surveying — Linear distance measurements and triangulation.
Compass Surveying — Angular measurements using magnetic bearings.
Plane Table Surveying — Simultaneous field sighting and plotting.
Levelling & Profile Levelling — Establishing elevations and cross-sectional profiles.
Theodolite Traversing — Establishing horizontal control networks.
Tacheometry — Distance and elevation measurements using optical methods.
Total Station Survey — Modern electronic data logging and coordinate collection.
Setting Out of Simple Engineering Works — Transferring design plans precisely to the ground.
Contour Survey — Mapping ground topography and relief variations.

🛠️ Major Laboratory Equipment & Inventory

Sl. No.	Equipment Item	Functional Description	Quantity
1	Theodolite	Measures highly precise horizontal and vertical angles.	1 Set
2	Levelling Machine	Determines differential elevations and reduced levels (RL).	2 Sets
3	Total Station	Electronic/optical instrument for angle, distance, and coordinate mapping.	1 Set
4	Engineering Chain	Used for traditional linear distance measurement.	5 Pcs
5	Ranging Rod	High-visibility poles used to mark temporary survey stations.	5 Pcs
6	Levelling Staff	Graduated aluminum/wooden staff used in tandem with the level.	6 Pcs
7	Optical Square	Used for setting out perpendicular lines and right angles (90°).	8 Pcs
8	Arrow Pin	Used to mark chained lengths on the ground surface.	19 Pcs
9	Wooden Peg	Driven into the ground to establish semi-permanent stations.	26 Pcs
10	Measuring Tape (100 m)	Long-range tape for linear baseline dimensions.	1 Pc
11	Measuring Tape (50 m)	Mid-range tape for general offset measurements.	4 Pcs
12	Measuring Tape (30 m)	Short-range compact tape for precise work.	1 Pc
13	Tripod Stand (Wood)	High-stability wooden mount for optical instruments.	5 Pcs
14	Tripod Stand (S.S)	Durable Stainless Steel tripods for daily student use.	10 Pcs
15	Tripod Stand (Aluminum)	Lightweight, highly portable instrument support.	1 Pc
16	Plumb Bob	Suspended weight utilized for exact instrument centering.	4 Pcs
17	Spirit Level	Used to check accurate horizontality of plane tables and instruments.	5 Pcs
18	Alidade	Straight-edge sighting device used explicitly in plane tabling.	5 Pcs
19	U-Fork	Essential accessory used to suspend a plumb bob from a plane table.	2 Pcs
20	Drawing Compass	Used for drawing graphical arcs and circles on plane sheets.	5 Pcs
21	Lime Powder	Used for bright white surface marking of alignments.	15 KG

🎓 Expected Learning Outcomes

Upon successful completion of this practical laboratory course, engineering students will be fully equipped to:

Operate optical, mechanical, and electronic surveying instruments safely and precisely.
Conduct comprehensive field surveys and maintain neat, mathematically sound field books.
Process raw field data mathematically to generate detailed maps, contour layouts, and engineering plans.
Interpret geospatial data configurations to make informed decisions on infrastructure projects.
Prepare high-quality, professional technical laboratory reports detailing findings, error calculations, and structural layouts.