ESTIMA IN G
EXCAVA I N
VISED
By Deryl Burch
b b
Revised by Dan Atcheson
b b b
®
CraftsmanbBookbCompany
6058bCortebdelbCedrob/bCarlsbad,bCAb92011
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ACKNOWLEDGMENTS
Thebauthorbwishesbtobexpressbhisbappreciationbto:
Greggb Laporeb andb Trackware,bforbhelpb withbChapterb16.
Looking for other construction reference manuals?
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Firstbeditionb©1997bCraftsmanbBookbCompanybSeco
ndbeditionb©2013bCraftsmanbBookbCompany
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Book.com
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Contents
1 Get b Started Right ................................5
b 6 Roadwork b Take-Offs ..................... 125
Whyb Calculateb Quantities .................................... 6 Planb andb Profileb Method ................................ 125
Readingb Plansb andb Specifications ................... 8 Understandingb Surveys ................................... 127
Accuracyb Isb Essential ........................................... 12 Planb andb Profile
Recordb Keeping....................................................... 16 Crossb Sectionb Sheets ...................................... 128
Understandingb Plan Crossb Sectionb Method ...................................... 132
orb Drawingb Measurements ............................. 18
CalculatingbthebScalebFactor....................... 139
WhatbIfbYoubDon’tbHavebPlans .................... 20
Massb Diagrams ..................................................... 143
2 The b Site Visit ..................................... 21
b
Reviewb theb Plansb First ....................................... 21 7 Irregular Regions & b b
Makeb theb Visitb Productive ................................ 22 Odd Areas ........................................ 151
b
Siteb Visitb forb ab Sampleb Project ....................... 32 FindingbAreabUsing
SitebVisitbChecklist ............................................. 35 Compensatingb Lines ....................................... 153
Don’tb Forgetb Overhead ....................................... 35 FindingbVolumebUsingbTotal
Areab andb Averageb Depth .............................. 154
3 Properties b of Soils ........................... 43
b
FindingbVolumebUsingbCom
Soilb Classifications ................................................. 43 pensatingbLinesbwithba
Pre-Constructionb Fieldb Testing ..................... 46 Coordinateb System .......................................... 159
Soilb Testingb inb theb Lab....................................... 50 FindingbVolumebUsingbthe
Compactionb Fundamentals ............................... 55 Trapezoidalb Rule .............................................. 167
4 Reading b Contour Maps................... 65
b
8 Using Shrink & b b
Planimetricb andb Topographicb Maps ............ 65 Swell Factors .................................. 177
b
Understandingb Contourb Lines ....................... 68 SoilbStatesbandbTheir
Benchmarksb andb Monuments ......................... 73 Unitsb ofb Measure .............................................. 177
5 Area Take-Off
b
Usingb Shrink/Swellb Factors
inb Earthworkb Estimates ................................ 178
from a Topo Map ............................. 75
b b b
Comparingb theb Contourb Lines ....................... 75 Groundb Loss .......................................................... 181
EstimatingbwithbabGridbSystem .................. 78 Estimatingb theb Numberb of
Calculatingb Cutb andb Fillb Areas .................... 90 Haulb Trips............................................................ 182
Usingb Worksheetsb inb ab Take-Off................ 102 Materialb Weightb Factors ................................. 183
ShortcutsbforbCalculatingbQuantities .... 109 Payb Yards ................................................................ 185
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9 Topsoil, Slopes & Ditches ........ 187 13 Earthmoving Equipment:
b b b b b
Dealingb withb Topsoil......................................... 187 Productivity Rates and b b
CalculatingbNetbVolumes Owning & Operating Costs ....... 281
b b b
forb Earthwork ..................................................... 193 Machineb Power ................................................... 282
Slopesb andb Slopeb Lines .................................... 197 Machineb Speed .................................................... 287
Estimatingb Trenches......................................... 202 Machineb Production ......................................... 293
Drainageb Channels ............................................. 202 Productivityb Calculations
forb ab Simpleb Dirtb Job ..................................... 296
Utilityb Trenches................................................... 205
Equipmentb Productionb Rates...................... 302
10 Basements, Footings, b Owningb andb Operatingb Costs ...................... 309
Grade Beams & Piers ................. 211
b b b
Calculatingb theb Overhead.............................. 313
Estimatingb Basement Addingb theb Profit ............................................... 316
Excavationb Quantities .................................... 211
Bidb Priceb perb Cubicb Yard ............................... 316
Findingb Volumeb —b Outside
Basementb Walls ................................................. 213
14 A Sample Take-off......................... 317
b b
CalculatingbthebTotalbVolume Generalb Specifications ..................................... 318
forb Basementb Excavation .............................. 222
Doingb theb Take-off ............................................ 320
Sampleb Basementb Estimate ........................... 228
SheetbPiling .......................................................... 238 15 Costs & Final Bid for
b b b b
Estimatingb Ramps.............................................. 239 the Sample Estimate ................. 415
b b
Gradeb Beamsb andb Piers................................... 244 Theb Bidb Preparationb Process ...................... 416
Overhead................................................................. 420
11 All b About Spoil & Borrow .......... 249
b b b
Machineb Selection .............................................. 420
Underlyingb Costsb of
Spoilb andb Borrow.............................................. 250
SpoilbandbBorrowb Volume
16 Computers & Computer Estimatin b b b
Calculations .......................................................... 251 g Programs ....................................... 515
b
Computersb b b andb b b Earthworkb Program
Calculatingb theb Volume
s................................................................................. 515
ofb ab Stockpile ....................................................... 253
Takingboffban
Findingb theb Volumeb ofb a
Earthworkb Project .......................................... 517
Stockpileb ofb Unknownb Height ................... 256
Workingb withb Plansb on
Calculatingb Volumeb forb a
Separateb Sheets ................................................ 533
Stockpileb ofb Setb Area ...................................... 261
Importingb CADb Drawings ............................. 533
12 Balance Points, Centers of
b b b Additionalb Programs ........................................ 535
Mass & Haul Distances ............... 265
b b b Solvingb Complexb Earthwork
Balanceb Pointsb tob an Problemsb withb Software .............................. 537
Excavationb Estimator ..................................... 265 Inb Conclusion ....................................................... 539
Balanceb Pointsb tob anb Engineer .................... 266 Index ............................................................. 541
Reducingb Haulb Distances ................................ 267
Calculatingb Haulb Distances ........................ 270
BuybsimilarbCraftsmanbBookbCo.btitlesbhere:bhttps://www.Craftsman-
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