BSS N5 Rise & Fall Method for Reduced Level Calculation
00:00 - Intro & Welcome
00:20 - What is the Rise and Fall Method?
00:53 - Quick Channel Intro & Purpose of the Video
01:26 - Who This Video is For (BSS N5 Students)
02:04 - Exam Focus: Calculations for Surveying
02:40 - Question Overview: 6.1 Worth 16 Marks
03:18 - Site Setup: Backsight, Intermediate, Foresight Explained
04:22 - What to Do with the First Row of Data
05:34 - First Calculation: Rise/Fall from Backsight and Foresight
06:55 - Second Reading: Backsight - Intermediate
07:38 - Third Reading: Intermediate - Foresight
08:23 - Fourth Reading: Rise or Fall Evaluation
09:06 - Fifth Reading: Another Fall Calculated
09:54 - Sixth Reading: Final Rise or Fall
10:37 - Start Reduced Level (RL) Calculations
11:21 - RL Continued: Rise Adds / Fall Subtracts
12:01 - RL Examples Continued
12:51 - Finishing RL and Preparing Totals
13:44 - Summing Backsight and Foresight Values
14:24 - Confirming with Rise/Fall Totals
15:38 - Final Balancing Check (Should Match)
16:22 - Confirming Totals Again
17:04 - Final Result and Marks Explanation
18:00 - Summary & Closing Remarks
18:48 - Outro (Subscribe & Stay Tuned)
🔥 BSS N5 Students — This One’s For You! 🔥
Struggling with Rise and Fall Method? This video makes Reduced Level calculations SIMPLE and EXAM-READY.
We go through Question 6.1 step-by-step, showing you exactly how to score full marks in your BSS N5 paper!
📐 Learn how to:
✅ Identify Backsight, Foresight & Intermediate Sights
✅ Calculate Rise/Fall like a pro
✅ Work out Reduced Levels (RL) accurately
✅ Check your totals and balance your work
📚 This is not theory — it’s real exam practice made easy.
🎯 Subscribe now — because at 100 subs, we drop the Centroids Tutorial next!
You don’t want to miss it.
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