Show full solutions. 2. A surveyor measured the distance between twopoints marked on the plan drawn to a scale of1cm = 1m (R.F. = 1:100) and found it to be45m. Later he detected that he used a wrongscale of 1cm = 50cm (R.F. = 1:50) for themeasurement. Determine the correct length.

Given data in question Wrong scale Correct Scale Measured distance To find out Correct length

Answered: 2. A surveyor measured the distance…

Fundamentals Of Construction Estimating

4th Edition

ISBN:9781337399395

Author:Pratt, David J.

Publisher:Pratt, David J.

Chapter4: Measuring Site Work, Excavation, And Piling

Section: Chapter Questions

Problem 7RQ

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A surveyor measured the distance between two points marked on the plan drawn to a scale of 1 cm = 1m (R.F. = 1:100) and found it to be 40m. Later he detected that he used a wrong scale of 1cm = 50cm (R.F. = 1:50) for the measurement. Determine the correct length.
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A series of perpendicular offsets were taken from a base line to a curved boundary line. These offsets were taken 3.5m apart and were measured in the following order: 0.8m 3.6m, 4.7m, 5.3m, 3.9m, 2.7m, 4.6m, 5.5m, 4.9m, 7.6m, 8.8m, 5.4m, and 6.0m. Determine the area included between the base line, curved boundary and the end offsets using Simpson's One-Third Rule and determine the difference of the computed area between to rules.
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3. The following is a set of notes of an earthworks of a road construction which is undertaken by the Bureau of Public Works. Station Cross Section 4.5. 4.5 6.0 +1.0 1+020 +2.0 +3.0 +4 +1.5 15. 4.5. +5.0 4.5. +2.0 9.0 +3.0 1+040 +4.0 +2.0 The base of the road way is 9 m which conforms with the BPWH standards. Side slope is 1.5:1. a) Compute the cross-sectional area at sta. 1+020. b) Compute the cross-sectional area at sta. 1+040. c) Compute the volume between the two stations using end area method.

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2. A surveyor measured the distance between two points marked on the plan drawn to a scale of 1cm = 1m (R.F. = 1:100) and found it to be 45m. Later he detected that he used a wrong scale of 1cm = 50cm (R.F. = 1:50) for the measurement. Determine the correct length.