Task 1.2: Identify and explain errors in levelling and measured distances. This task requires you to answer questions to identify and explain potential errors in levelling and measuring distances due to site characteristics

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Version: 20240529

Date created: 12 September 2022

2022 TAFE NSW
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The content in this document is copyright TAFE NSW 2022 and should not be reproduced without the permission of TAFE NSW. Information contained in this document is correct at the time of printing: 15 July 2025. For current information, please refer to our website or your Teacher/Assessor as appropriate.

Assessment instructions

Table 1 Assessment instructions

Assessment details	Instructions
Assessment overview	The objective of this assessment is to assess your skills and knowledge required to use technical instruments and levelling and surveying techniques to accurately set-out a building on site. It includes determining grid levels and developing contour plans. It applies to National Construction Code (NCC) classifications: Residential – Class 1 and 10 buildings, maximum two storeys Commercial – Class 2 to 9, Type C only constructions This unit of competency applies to builders, site supervisors and related construction industry professionals responsible for ensuring accurate application of site surveys and set-out of a residential and/or commercial building. This unit is suitable for those using specialised knowledge to complete routine and non-routine tasks and using their own judgement to deal with predictable and sometimes unpredictable problems.
Assessment event number	2 of 2
Instructions for this assessment	This is a project-based assessment that assesses your knowledge and performance of the unit. This assessment is in 3 parts: 1. Part 1: Prepare and conduct site set out 2. Part 2: Develop a contour grid 3. Part 3: Determine grades and levels And is supported by: Checklist Assessment feedback Supporting documents Note : This assessment may contain links to external resources. If a link does not work, copy and paste the URL directly into your browser.
Submission instructions	On completion of this assessment, you are required to submit it to your Teacher/Assessor for marking. Where possible, submission and upload of all required assessment files should be via the TAFE NSW online learning platform. It is important that you keep a copy of all electronic and hardcopy assessments submitted to TAFE and complete the assessment declaration when submitting the assessment.
What do I need to do to achieve a satisfactory result?	To achieve a satisfactory result for this assessment, you must answer all the questions correctly. If a resit is required to achieve a satisfactory result, it will be conducted at an agreed time after a suitable revision period.
What do I need to provide?	TAFE NSW student account username and password. If you do not know your username and password, contact your campus or service centre on 131601. Computer or other device with word processing software and internet access. Writing materials, if required. Calculator, pens, measuring equipment, reference documents
What the Teacher/Assessor will provide	A suitable area at the campus or alternative location to conduct the survey readings and site set-out. Access to this assessment and learning resources, including the student workbook and any supporting documents or links. Computers, data sheets, reference text, organisational policy etc that are referenced in the assessment. These may be hard copy or made available online.
Due date Time allowed Delivery location	Enter due date (Delivery to add) 22 hours (indicative only) TAFE NSW campus/ location determined by your Teacher/Assessor
Assessment feedback, review or appeals	In accordance with the TAFE NSW policy Manage Assessment Appeals, all students have the right to appeal an assessment decision in relation to how the assessment was conducted and the outcome of the assessment. Appeals must be lodged within 14 working days of the formal notification of the result of the assessment. If you would like to request a review of your results or if you have any concerns about your results, contact your Teacher/Assessor or Head Teacher. If they are unavailable, contact the Student Administration Officer. Contact your Head Teacher/Assessor for the assessment appeals procedures at your college/campus.

Specific task instructions

The instructions and the criteria in the tasks and activities below will be used by the Teacher/Assessor to determine if you have satisfactorily completed this assessment event. Use these instructions as a guide to ensure you demonstrate the required knowledge and skills.

To complete tasks in this assessment event, you must be provided access to the following supporting documents.

Supporting documents

Table 2

#	Student supporting documents:	URL	Part / Task number
1.	Standard operating procedure: Automatic Level	https://share.tafensw.edu.au/share/items/9cd047a3-3ea1-4d13-bfa0-e188167eb37c/0/?attachment.uuid=9a1c0487-7ab8-4c72-9d56-1bc8f14bde73	Part 1
2.	Levelling and set out procedures	https://share.tafensw.edu.au/share/items/56893a0b-9c1c-4c11-a474-c8de092df9a1/0/?attachment.uuid=da435b47-c50e-4a84-8d4c-8b427187ab22	Part 1
3.	Mr and Mrs Jones Proposed Residence	https://share.tafensw.edu.au/share/items/22bcacfd-d04c-4346-a4c3-bcbe5a61199d/0/?attachment.uuid=d97e4a7c-7969-42ba-8a55-640d2749a40e	Part 1

Assessment submission instructions

To complete this assessment, you must complete tasks demonstrating the skills and knowledge required to use the technical instruments and levelling and surveying techniques to accurately set out a building site. It includes determining grid levels and developing contour plans.

General guidelines

 

• You are to complete assessment responses using the provided response templates.
• You must also attach supporting appendix documents, where indicated.
• Supporting appendices and evidence may be in the format of:
• MS Word or PDF documents
• scanned forms, images, or screenshots
• hyperlinks to URL.
• You should use their own words where reasonably practicable.
• This assessment and supporting documents may be submitted for marking digitally or in hard copy.
• You are to use the following file and folder naming convention; for example, StudentName_StudentNumber_CPCCBC4018_Project_appendix.

Editorial guidelines

You are to use the following editorial guidelines when completing submission work for this assessment event:

• The general text should be normal or body style.
• Calibri Body 12pt line spacing 6pt before 6pt after and 1.25 multiple line spacing preferred.
• Labelling of images (figure 1, 2, 3), etcetera.
• When using direct quotes to support your responses, please ensure in-text referencing. Also, provide a full reference in the task response templates to referenced research material (Guide to TAFE NSW referencing: Harvard Style January 2022,https://tafensw.libguides.com/ld.php?content_id=41117569).

Part 1: Prepare for and conduct site set out

Once completed, you are to submit Part 1 of this assessment to your Teacher/Assessor for marking.

RB Holdings part 1 work scenario

You are acting on behalf of RBHoldings. You will conduct levelling operations and site set-out for a class 1a building project – Mr and Mrs Jones Proposed Residence.

RBHoldings is a simulated organisation created by TAFE NSW to replicate workplace conditions. RBHoldings maintains policies, procedures, and project plans along with supporting appendices for student access. Links to RBHoldings are provided within this assessment.

To complete the practical elements of this assessment, you will work effectively and safely with others in a small team complying withTAFE NSW Site Management and Safety Plan(Long URL: https://share.tafensw.edu.au/share/items/fc6d0a5b-b299-4e69-9ea4-05de490fc5b1/0)

Task 1.1: Select tools, equipment and materials.

This task requires you to select tools, equipment and materials required to conduct surveying operations and site set-out, according to RBHoldings levelling and set out procedures and project plans – Mr and Mrs Jones Proposed Residence.

To complete this task, you will need access to:

• Levelling and set out procedures
• Mr and Mrs Jones Proposed Residence(plans and specifications).

Step 1 Plan

 

• You must review the levelling and set-out procedures to select the required tools, equipment, and materials to complete on-site operations, including:
• Two-peg test, closed level run by the rise and fall method and site set out.

Step 2 Complete

UseAppendix A:Tools, equipment, and materials checklist to select:

• An automatic level to establish levels and heights against the site datum or benchmark (BM)
• Levelling devices and all other required tools, equipment, and materials.

Task 1.2: Identify and explain errors in levelling and measured distances.

This task requires you to answer questions to identify and explain potential errors in levelling and measuring distances due to site characteristics, measurement methods or environmental factors.

To complete this task, you will need access to:

• Levelling and set out procedures.

Step 1 Research

 

• Surveying and set out learning materials and associated documents.
• Principles of surveying and set out.

Step 2 Complete

Useresponse template 1.2to document your response:

• Identify and explain 5 potential causes of errors in levelling and measured distances.

Task 1.2: Response template – Identify and explain errors in levelling and measured distances

Table 3 Response Template 1.2

Actions	Response
Student notes	Your answers should be a minimum of 80 words but no longer than 140 words for each response.
Identify and explain 5 potential causes of errors in measured distances. Consider measurement methods and site characteristics.

Task 1.3: Conduct a two-peg test

In preparation for levelling operations and site set-out, you must conduct a two-peg test to check the amount of error present in the automatic level.

To complete this task, you will need access to:

• Appendix BTwo-peg test booking sheet
• Automatic level and additional levelling equipment
• Standard operating procedure: Automatic Level
• Levelling and set out procedures
• Workplace or simulated environment.

Step 1 Plan

 

• You must review levelling and set-out procedures and standard operating procedures to establish two-peg test steps and safety requirements.
• You must review the booking sheet and record details, including acceptable error tolerance for the test site location/dimension.

Step 2 Complete

Complete a two-peg test following organisational procedures.

• Set up and operate the automatic levelling device, ensuring both the telescope and tripod are level and secure.
• Carry out the two-peg test taking foresight and backsight readings accurately, using the automatic levelling device and surveying staff.
• Record two-peg results inAppendix B,ensuring readings are recorded accurately to 3 decimal places.
• Calculate the foresight and backsight readings to check the two-peg test result.

Student note: Hand-written readings recorded remotely in the field must be transposed and entered withinAppendix Bto be submitted with part 1.

Task 1.4: Carry out reduction in a closed level run by the rise and fall method

This task requires you to carry out reduction in a closed level run by the rise and fall method to establish reduced level (RLs) readings over the survey site.

To complete this task, you will need access to:

• Appendix C Rise and fall booking sheetto complete Rise and fall.
• Automatic level and additional levelling equipment.
• Digital tools and communication devices (calculator and telephone).
• Standard operating procedure: Automatic Level
• Levelling and set out procedures.
• Project Plans and specifications –Mr and Mrs Jones Proposed Residence.
• Workplace or simulated environment.

Step 1 Plan

 

• You must review levelling and set-out procedures and standard operating procedures to establish rise and fall method steps and safety requirements.
• Record the name, date and details of the rise and fall survey in the booking sheet.

Step 2 Complete

Complete closed level run by the rise and fall method following organisational procedures.

• Confirm and record the datum or nominated height with the assessor.
• Set up and operate the automatic levelling device, ensuring both the telescope and tripod are level and secure.
• Complete the closed level run, moving the levelling device across the traverse back to the datum, taking backsight and foresight readings with 6 change points.
• Communicate and collaborate with others using a mobile phone as required
• Record and calculate accurate staff readings, rises, and falls, and reduced levels of each change point accurately to 3 decimal places.
• Carry out 3 check methods and record results in the booking sheet.
• Ensure any misclose tolerance complies with ( 5+?Number of Change Points mm)
• Appendix C Rise and fall booking sheet

Task 1.5: Carry out calculations by the height of plane collimation (HPC) method.

To complete this task, you are required to carry out calculations of readings produced in a level run by the height of plane collimation method.

You must use readings inAppendix D:HPC Booking Sheetand calculate the following:

• Height of plane collimation
• Reduced levels
• Check methods 1 and 2.

To complete this task, you will need access to:

• Appendix D:Height of plane collimation booking sheet
  • Levelling and set out procedures.

Step 1 Plan

 

• ReviewAppendix D:HPC Booking Sheetto establish the calculation requirements of the task.
• Review levelling and set-out procedures to establish plane of collimation check method.

Step 2 Complete

• CompleteAppendix D:HPC Booking Sheet:
• Perform calculations and record height of plane collimation for initial set-up and change point 1 (CP1) and change point 2 (CP2).
• Perform calculations and record reduced levels for all readings.
• Perform 2 check methods and record calculations.

Task 1.6: Conduct site set out

To complete this task, you are required to conduct a site set-out according to the project plans – Mr and Mrs Jones Proposed Residence and determine diagonal dimensions of the building envelope using geometric calculations.

To complete this task, you will need access to:

• Workplace or simulated environment, automatic level, tools, equipment, and materials.
• Standard operating procedure: Automatic Level
• Levelling and set out procedures
• Project plans –Mr and Mrs Jones Proposed Residence.

Step 1 Plan

 

• Review surveying, set-out and associated documents.
• Review project plans – Mr and Mrs Jones Proposed Residence.
• Collect tools, equipment, and materials and ensure site safety requirements.

Step 2 Complete

Written . Useresponse template 1.6to record solutions to questions:

• Determine the building setback.
• Calculate the building envelope diagonal dimension using Pythagoras theorem, where the length of the building envelope measures 8.300 m and the width of the envelope is 6.300 m.
• Calculate the surface area of the building envelope, including a 1-metre offset where the length of the area is 10.300 m and the width is 8.300 m.

Observation. Site set-out according to project plans and site set-out procedures.

• Establish site boundary lines and site datum.
• Operate automatic level and equipment to set a level peg in the ground to the height of the finished floor level or underside of the bearer.
• You must set up the building envelope and erect set back profiles from the boundary line for the entire rectangle envelope and also the L-shape component of the building.
• Establish building envelope corners and string lines using a method of triangulation and geometric calculations.
• Locate all corner pegs of the building and erect all profiles and stringlines for the building envelope and L-shape component on one level plane.

Student Note: Evidence for completing this set-out task must include photos of the set-out that you submit.

Task 1.6: Response template determine building envelope setback and diagonal dimensions

Table 4 Response Template 1.6

Actions	Response
Student notes	Your answers should show working and solutions to 3 decimal places.
Determine the building setback.
Calculate the building envelope diagonal dimension using Pythagoras theorem, where the length of the building envelope measures 8300 mm and width of the envelope is 6300 mm.
Calculate the surface area of the building envelope, including a 1-metre offset where the length of the area is 10.300 m, and the width is 8.300 m.

What I need to submit for Part 1:

• completed Appendix A
• completed response templates 1.2
• completed Appendix B
• completed Appendix C
• completed Appendix D
• Response template 1.6 and p hotos of the set-out task.

Ensure that your assessor has observed the following for Part 1

• Two-peg test.
• Rise and Fall levelling operation.
• Site set-out.

Note : Submit Part 1 of your assessment now. It is advised that you receive feedback from your assessor for Part 1 before proceeding to Part 2.

Part 2: Develop a contour grid

Task 2.1: Develop a contour grid

This task requires you to develop a topographic contour plan from grid levels in the form of a hand-drawn or digitally drawn contour sketch.

To complete this task, you will need access to:

• Appendix E:Contour grid booking sheet.
• Appendix F:Contour grid calculation sheet.
• Appendix G:Contour grid template.

Step 1 Plan

 

• You must use the intermediate readings on the contour grid booking sheet to calculate each grid point RL.
• You must use the contour grid calculation sheet to determine the location of contour intervals and contour lines.
• You must use the contour grid template to complete the contour grid and sketch the contour lines at an interval of 0.200 m.

Step 2 Complete

• You are to determine the reduced levels of each grid point by referring to the intermediate sight readings provided on the booking sheet.
• CompleteAppendix E:Contour grid booking sheet recording the RLs.
• You must useAppendix F:Contour grid calculation sheet to calculate and record each contour line interval appropriate to the dimensions of the grid template design (50 mm x 50 mm squares).
• You must useAppendix G:Contour grid template to show:
• The reduced levels for each of the 12 grid points.
• Sketch the contour lines on the contour grid template.
• Arrow indicating slope direction.
• Contour lines at appropriate intervals, according to grid-level calculations.

Note: You may hand sketch or digitally draw the contour RLs and contour lines on the contour grid.

Task 2.2: Calculate cut and fill quantities

This task requires you to use the contour plan developed in Task 2.1 to calculate cut and fill quantities.

To complete this task, you will need access to:

• Appendix E:Contour grid booking sheet completed in task 2.1.
• Appendix G:Contour grid template.
• Appendix H:Cut and fill calculation sheet.

Step 1 Plan

 

• You must use the contour booking sheet to identify the reduced levels of each grid point established in task 2.1.
• You must review the cut and fill calculation sheet to determine volumes from grid levels.
• You must review the contour grid template to identify grid dimensions and the front and rear of block.

Step 2 Complete

Complete Appendix H: Cut and fill quantities:

• You must calculate the area of the survey grid and record this inAppendix H:Cut and fill calculation sheet.
• You must calculate the volume of material cut from excavating the front two-thirds of the site. The cut includes grid points A1,2,3 B1,2,3 C1,2,3. Excavation will make the site level with the lowest point on the grid 752 .
• Calculate the volume of fill required to increase the level of the rear 2 squares of the block to 462 and record it in Appendix H.
• Calculate and indicate the value of any excess or deficiency of material and record it in Appendix H.

What I need to submit for Part 2.

• completed Appendix E
• completed Appendix F
• completed Appendix G
• completed Appendix H.

Note : Submit Part 2 of your assessment now. It is advised that you receive feedback from your assessor for Part 1 before proceeding to Part 3.

Part 3: Determine grades and levels

Task 3.1: Longitudinal section sketch

This task requires you to develop a longitudinal section drawing showing grades and levels for typical drainage and pipelaying situation.

To complete this task, you will need access to:

• Appendix I:Longitudinal section booking sheet.
• Pipe laying scenario and section detail(Below).
• Appendix J:Longitudinal section template example

Step 1 Plan

 

• You must use the longitudinal section booking sheet to identify the reduced levels of the site.
• You must refer to the pipe laying scenario to extract section details, including the scale of the longitudinal drawing, length of pipe, depth of cover and chainage increments.
• You must refer to the longitudinal section template example and follow the template design.

Step 2 Complete

You must draw a longitudinal section of the drainage site and show:

• Chainage increments along the x-axis of the section.
• Reduced level increments along the y-axis of the section.
• A sketched line joining the RLs at each chainage point to indicate the natural ground level.
• A sketched line of the invert for the new drainage pipe showing the correct RLs and a constant grade of fallfrom the existing pit to the proposed pit at chainage 27.700 m.
• Record the gradient percentage on the sketched line.
  • Record the RLs for each chainage point of the Natural Surface.
  • Record the RL for the bottom of the excavation at each chainage.

Pipe laying scenario and section detail:

• A 100 mm diameter drainage pipe is to be laid at a constant grade from the location of the existing pit at chainage 0.000 m to the proposed pit at chainage 27.700 m.
  • Note that the top of the pipe needs to be 0.500 m below the surface- that is, have a cover of 0.500 m – at chainage 0.000 and at chainage 27.700 m.

Sketch notes:

• You may use graph paperAppendix Lprovided to hand draw or use digital drawing tools to sketch the longitudinal section.
• A scale of 1:200 is recommended for the chainage X-axis, where a 5.000 m chainage increment measures 25mm on the provided graph paperAppendix L.
• A scale of 1:25 is recommended on the Y-axis, where 0.500 m RL increments measure 20 mm.

 

Task 3.2: Longitudinal section calculations

This task requires you to calculate grades and levels for drainage and pipelaying scenario advised in task 3.1. You must useresponse template 3.2to record solutions to the questions below.

Questions

27. Calculate the gradient of the proposed pipe from the existing pit at chainage 0 mto the proposed pit at chainage 27.7 m as a percentage. The gradient is to be calculated using invert to top of the pipe.
28. Calculate the RL of the invert (bottom) of the pipe at chainage 5.000 m.
29. Determine the cover from the top of the pipe to the ground at 5.000 m.
30. Calculate the bottom of the excavation for all chainage points to house the 100 mm drainage pipe consistent with the gradient percentage established.
31. Calculate the grade of the pipe from chainage 0.000 m to 20.000 m if a directive was given to make the cover at chainage 20.000 m to be 0.500 m: Express this grade as a ratio (horizontal distance to vertical distance)
32. Express the grade calculated for question ( e ) as a percentage.
33. Express the grade calculated for question ( e ) as an angle and round to the nearest degree.

Task 3.2: Response template longitudinal section calculations

Table 5

Actions	Response
Student note	Your answers should show working and solutions to 3 decimal places.
a) Calculate the gradient of the proposed drainage pipe from the existing pit at chainage 0 m to the proposed pit at chainage 27.7 m as a percentage.
b) Calculate the RL of the invert (bottom) of the pipe at chainage 5.000 m.
c) Determine the cover from the top of the pipe to the ground at 5.000 m.
d) Calculate the bottom of the excavation for all chainage points to house the 100 mm drainage pipe consistent with the gradient percentage established.
e) Calculate the grade of the pipe from chainage 0.000 m to 20.000 m for the cover at chainage 20.000 m to be 0.500 m. Express the grade as a ratio (HD):(VD)
f) Express the grade calculated for question ( e ) as a percentage.
g) Express the grade calculated for question ( e ) as an angle. Round to the nearest degree.

Task 3.3: Batter levels from grades and distances

This task requires you to calculate batter levels from grades and distances based on planned slope requirements. A nominated batter of existing soil from a platform level of 33.758 is illustrated in figure 1.

You must useresponse template 3.3to record solutions to the questions below.

1. Calculate the height difference for slopes A-D and B-C given the reduced levels below. Show workings and solutions to 3 decimal places in metres.
2. Calculate the gradient for slopes A-D and B-C below, expressing the grade as a percentage. Show workings and solutions to three decimal places.
3. Calculate the batter slope (gradient) as a ratio – Horizontal Distance (HD) to Vertical Distance (HD):(VD) for slopes A-D and B-C.
4. Calculate the gradient for slopes A-D and B-C using the trigonometry tangent formula expressing the grade as an angle. Show your workings and solution to the whole degree.

Figure 1

Task 3.3: Response template batter levels from grades and distances

Table 6

Actions	Response
Student note	Your answers should show working and solutions to 3 decimal places unless specified.
a) Calculate the height difference for slopes A-D and B-C given the reduced levels below. Show workings and solutions to 3 decimal places in metres.
b) Calculate the gradient for slopes A-D and B-C below, expressing the grade as a percentage. Show workings and solutions to 3 decimal places.
c) Calculate the batter slope (gradient) as a ratio – Horizontal Distance (HD) to Vertical Distance (HD):(VD) for slopes A-D and B-C.
d) Calculate the gradient for slopes A-D and B-C using the trigonometry tangent formula expressing the grade as an angle. Show your workings and solution to the whole degree.

What I need to submit for Part 3:

• Completed response templates 3.2 and 3.3.
• Completed longitudinal section sketch.

Note : Submit Part 3 of your assessment now.

This was the final task for this assessment event. Your assessor will inform you what to do next.

Checklist

This copy of the checklist will be used by your assessor to capture evidence of your performance. This checklist outlines all the required criteria you will be marked on. All criteria described in the checklist must be met.

Table 7 Checklist

Task number	Did the student do the following?	S	U/S	Assessor comments Record your comments in enough detail to demonstrate your judgement of the students performance against the criteria required.
Part 1	Prepare and conduct site set out.			Date:
Task 1.1	Select tools, equipment and materials required to conduct a levelling operation and site set-out.	?	?
Task 1.2	Answer questions to identify and explain potential errors in levelling and measured distances due to site characteristics, measurement methods or environmental factors.	?	?
Task 1.3	Conduct a two-peg test to check the amount of error present in the automatic level. Follow the procedures to demonstrate: Setting up the automatic level. Carrying out a two-peg test. Accurately recording survey readings.	?	?
Task 1.4	The student must carry out reduction in a closed level run by the rise and fall method to establish reduced level (RLs) readings over the survey site. Follow the procedures to demonstrate: Setting up the automatic level. Carrying out the rise and fall method. Accurately record readings in the booking sheet Appendix C.	?	?
Task 1.5	Carry out calculations of readings produced in a level run by the height of plane collimation method.	?	?
Task 1.6	Conduct a site set-out according to the project plans – Mr and Mrs Jones Proposed Residence and determine diagonal dimensions of the building envelope using geometric calculations.	?	?
Part 2	Develop a contour grid			Date:
Task 2.1	Develop a topographic contour plan from grid levels in the form of a hand-drawn or digitally drawn contour sketch.	?	?
Task 2.2	Use the contour plan developed in Task 2.1 to calculate cut and fill quantities.	?	?
Part 3	Determine grades and levels			Date:
Task 3.1	Develop a longitudinal section drawing showing grades and levels for typical drainage and pipelaying situation.	?	?
Task 3.2	Calculate grades and levels for a typical drainage and pipelaying situation.	?	?
Task 3.3	Calculate batter levels from grades and distances for planned excavation based on slope ratio requirements.	?	?

Appendix A: Tools, equipment and materials checklist

Table 8

Item	Required for site set out?	Item	Required for site set out?
1. Angle grinder	? Yes ? No	2. Step ladder	? Yes ? No
3. Automatic level – tripod	? Yes ? No	4. Pliers	? Yes ? No
5. Battery Drill	? Yes ? No	6. Mobile/modular scaffold	? Yes ? No
7. Calculator	? Yes ? No	8. Nail gun	? Yes ? No
9. Carpenters-hammer / claw hammer	? Yes ? No	10. Automatic level	? Yes ? No
11. Chalk line	? Yes ? No	12. Spirit level	? Yes ? No
13. Circular saw	? Yes ? No	14. Bench grinder	? Yes ? No
15. Combination square	? Yes ? No	16. Clamps	? Yes ? No
17. Folding or steel ruler	? Yes ? No	18. Trimming / Stanley knife	? Yes ? No
19. Hand saw	? Yes ? No	20. Water level	? Yes ? No
21. Impact driver	? Yes ? No	22. Timber pegs	? Yes ? No
23. Planer	? Yes ? No	24. Trestles and planks	? Yes ? No
25. Plumb bob	? Yes ? No	26. Extension ladder	? Yes ? No
27. Retractable tape measure	? Yes ? No	28. Router	? Yes ? No
29. Rotary hammer drill	? Yes ? No	30. Hand plane	? Yes ? No
31. Sledge/lump hammer	? Yes ? No	32. Timber Ledgers	? Yes ? No
33. Sliding compound saw	? Yes ? No	34. Laser Level	? Yes ? No
35. Straight edge	? Yes ? No	36. Air compressor and hoses	? Yes ? No
37. Screwdriver	? Yes ? No	38. Nails	? Yes ? No
39. String line	? Yes ? No	40. Tin snips	? Yes ? No
41. Wood chisel	? Yes ? No	42. Surveyors staff	? Yes ? No

Appendix B: Two-peg test booking sheet

Recorder’s name Acceptable error tolerance Automatic level type

Date Location Peg A and B placement

Table 9 Appendix B

Backsight	Intermediate sight	Foresight	Rise	Fall	Reduced level	Remarks or comments
						Totals

If an error is greater than 2mm, repeat to ensure no observation errors before adjusting the instrument.

Table 10 Appendix B

C heck

Appendix C: Rise and fall booking sheet

Recorder’s name Datum Acceptable error tolerance

Date Location Automatic level type

Table 11 Appendix C

Backsight	Intermediate sight	Foresight	Rise	Fall	Reduced level	Remarks or comments
						Totals

Allowable Misclosure = 5 +? Number of Change Points mm . (“Rule of Thumb”)

? (sigma) symbol denotes the sum of.

Table 12 Appendix C

Check 1	Check 2	Check 3

Appendix D: Height of plane collimation- Booking sheet

Recorder’s name Datum

Date Location

All measurements should be in metres to 3 decimal points.

Table 13 Appendix D

Backsight	Intermediate sight	Foresight	HPC	Reduced level	Remarks or comments
0.450					BM 480.650
	1.860
	2.755
	3.250
	3.675
0.885		3.930
	1.150
	1.945
	2.850
0.975		3.635
	1.950
		2.585
Total Bs:		Total FS:

Table 14 Appendix D

Check 1	Check 2

Appendix E: Contour grid booking sheet

Recorder’s name Datum

50.000

Date Location

All measurements should be in metres to 3 decimal points.

Table 15

Backsight	Intermediate sight	Foresight	HPC	Reduced level	Remarks or comments
1.495			51.495	50.000	BM
	1.658
	1.697
	1.743
	1.443
	1.408
	1.446
	1.138
	1.203
	1.300
	1.086
	1.033
	1.035
		1.495
Total Bs:		Total FS:

Table 16

Check 1	Check 2
?(BS) – ?(FS) should equal Last RL First RL.	For each *instrument station: The sum of IS observations plus the sum of their corresponding RLs, divided by n (the number of IS readings), should equal the collimation height. ?(IS) + ?(RL)/n = Height of Collimation

Appendix F: Contour grid calculation sheet

Table 17

Formula: (Contour RL Lower RL) (Highest RL Lowest RL) x grid line length

#	Grid identification	RL of contour level	(Contour RL Lower RL) (Highest RL Lowest RL) x grid line length	Distance
1	A1 A2	49.800
2	A2 B2	49.800
3	A3 B3	49.800
4	A1 B1	50.000
5	A2 B2	50.000
6	A3 B3	50.000
7	B1 C1	50.200
8	B2 C2	50.200
9	B3 C3	50.200
10	C1 – D1	50.400
11	C2 D2	50.400
12	C3 D3	50.400

Appendix G: Contour grid student template