Piping Estimators ManHours Manual PDF PDF

Preview

Summary

J 0 HN S. PAG E n addition to the reliable piping I estimating data this manua.l hos provided for years, this new edition is expended and updoted to incllJde installation of pneumatic mechanical instrumentotion used in monitoring vorious process systems. COVERAGE INCLUDES- • Production cmd composite...

Description

J 0 HN S. PAG E

n addition to the reliable piping estimating data this manua.l hos provided for years, this new edition is expended and updoted to incllJde installation of pneumatic mechanical instrumentotion used in monitoring vorious process systems.

I

COVERAGE INCLUDES• Production cmd composite rate • Shop fal::>ric(";ltion of pipe and fittings • Field fabrication and erection • AllOY ood non-ferrous fabrication • Pneumatic mechanical instrumentation • Underground piping • Hangers and supports • Painting • Potent scoffolding • Insulation

PRODUCT #5259

ISBN 0-88415-259-6

50000

9780884 152591

ESTIMATOR'S PIPING MAN·HOUR MANUAL F 1FT ED

I

T

H ION

Man-Hour Manuals and Other Books by John S. Page Conceptual Cost Estimating Manual Cost Estimating Man-Hour Manual for Pipelines and Marine Structures Estimator's Electrical Man-Hour Manual/3rd Edition Estimator's Equipment Installation Man-Hour Manual/3rd Edition Estimator's General Construction Man-Hour Manual/2nd Edition Estimator's Man-Hour Manual on Heating, Air Conditioning, Ventilating, and Plumbing/2nd Edition Estimator's Piping Man-Hour Manual/5th Edition

.Iohn S. Page has wide experience in cost and labor estimating, having worked for some of the largest construction firms in the world. He has made and assembled numerous types of estimates including lump-sum, hard-priced, and scope, and has conducted many time and method studies in the field and in fabricating shops. Mr. Page has a B.S. in civil engineering from the University of Arkansas and received the Award of Merit from the American Association of Cost Engineers in recognition of outstanding service and cost engineering.

ESTIMATOR'S PIPING MAN-HOUR MANUAL F 1FT ED

I

T

H ION

JOHN S. PAGE

Gulf Publishing Company Houston, Texas

To all piping estimators who have spent many hours burning midnight oil and scratching heads trying to estimate reasonable labor units, I dedicate this manual.

Estimator's Piping Man-Hour Manual Fifth Edition Copyright © 1958, 1967, 1976 by John S. Page and Jim G. Nation. Copyright © 1987, 1999 by John S. Page. All rights reserved. This book, or parts thereof, may not be reproduced in any form without express written permission of the publisher. Gulf Publishing Company Book Division P.O. Box 2608 0 Houston, Texas 77252-2608 10 9 8 7 6 5 4 3 2 1 Library of Congress Cataloging-in-Publication Data Page, John S. Estimator's piping man-hour manual/John S. Page. - 5th ed. p. em. Includes bibliographical references and index. ISBN 0-88415-259-6 Calk. paper) 1. Pipe-fitting-Estimates-United States. 2. Labor time. I. Title. TH6721.P3 1999 696'.2'0299-dc21 99-18583 CIP Printed in the United States of America. Printed on acid-free paper Coo).

iv

CONTENTS Preface, xi The Human Factor in Estimating, xi Introduction, xii

Section One-SHOP FABRICATION OF PIPE AND FITTINGS Section Introduction Shop Handling Scheduled Pipe for Fabrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . Shop Handling Heavy Wall Pipe for Fabrication Shop Handling Large O.D. Pipe for Fabrication Notes On Pipe Bends. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Standard Types of Bends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pipe Bends-Schedule 20 to 100 Inclusive Pipe Bends-Schedule 120, 140 and 160 Pipe Bends-Heavy Wall-45° or Less . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pipe Bends-Heavy Wall-Over 45° to 90° Inclusive Pipe Bends-Large O.D. Sizes , Attaching Flanges-Screwed Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. " Attaching Flanges-Screwed Type Attaching Flanges-Screwed Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Attaching Flanges-Slip-On Type .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Attaching Flanges-Slip-On Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .. Attaching Flanges-Weld Neck 'lYpe Attaching Orifice Flanges-Slip-On and Threaded Types . . . . . . . . . . . . . . . . . . .. Attaching Orifice Flanges-Weld Neck Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. General Welding Notes Butt Welds-Inert Gas Shielded Root Pass Machine Butt Welds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Manual Butt Welds-Scheduled Manual Heavy Wall Butt Welds " Manual Large O.D. Butt Welds 90 Welded Nozzles ~)OO Welded Nozzles-Reinforced Large O.D. 90° Nozzle Welds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Large O.D. 90° Nozzle Welds-Reinforced. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 45 Welded Nozzles 45° Welded Nozzles-Reinforced Large O.D. 45° Nozzle Welds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. , Large O.D. 45° Nozzle Welds-Reinforced Concentric Swedged Ends Eccentric Swedged Ends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. End Closures-Pressure Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Heavy Wall End Closure-Pressure Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Large o.D. Pipe End Closures-Pressure Type . . . . . . . . . . . . . . . . . . . . . . . . . . .. 90° Coupling Welds and Socket Welds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 'Olet Type Welds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 0

0

v

1 2 8 4 5 6 7 8 9 10 11 12 18 14 15 16 17 18 19 20 21 22 28 24 25 26 27 28 28 29 30 31 31 32 33 34 35 36 37 38

Flame Cutting Pipe-Scheduled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Flame Cutting Pipe-Heavy Wall Flame Cutting Pipe-Large O.D. Sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Machine Cutting Pipe-Scheduled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Machine Cutting Pipe-Heavy Wall Machine Cutting Pipe-Large O.D. Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Flame Beveling Pipe-"V" Type Machine Beveling Pipe_"U" Type, "V" 'lYPe and Double Angle . . . . . . . . . . . . . .. Beveling Heavy Wall Pipe Beveling Large O.D. Pipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Threading Pipe-Including Cut. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Welded Carbon Steel Attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Drilling Holes in Welded Attachments Machining Inside of Pipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Machining Inside of Large O.D. Pipe Boring Inside Diameter of Pipe and Installing Straightening Vanes " Installing Flow Nozzles Preheating Butt Welds and Any 'lYPc Flange Welds Preheating Heavy Wall Pipe Butt Welds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Preheating Large O.D. Pipe Butt Welds Preheating 90 Nozzle Welds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Preheating Large O.D. 90 Nozzle Welds Local Stress Relieving-Scheduled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Local Stress Relieving-s-Heavy Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Local Stress Helieving-Large O.D. Sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Full Furnace Stress Relieving and Heating Treatment Radiographic Inspection-Scheduled Radiographic Inspection-Heavy Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Radiographic Inspection-Large O.D. Sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Magnetic or Dye Penetrant Inspection of Welded Joints Magnetic or Dye Penetrant Inspection of Welded Joints Testing Fabricated Assemblies-Flanged Ends. . . . . . . . . . . . . . . . . . . . . . . . . . .. Testing Fabricated Assemblies-i-Plain or Beveled Ends . . . . . . . . . . . . . . . . . . . .. Testing Fabricated Assemblles-i-lleavy Wall , Access Holes Miscellaneous Fabrication Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Man Hours Pcr Foot of Cylindrical Coil Fabrication Bending Only . . . . . . . . . . .. 0

0

39 40 41 42 43 44 45 46 47 48 49 50 50 51 52 53 54 55 56 57 58 59 GO

Gl 62 63 64 65 66 67 68 69 70 71 72 7:3 74

Section Two-FIELD FABRICATION AND ERECTION Section Introduction Handling and Erecting Straight Run Pipe-Scheduled . . . . . . . . . . . . . . . . . . . . .. Handling and Erecting Straight Run Pipe-Heavy Wall Handling and Erecting Straight Run Pipe-Large O.D. Size. . . . . . . . . . . . . . . . .. Handling and Erecting Fabricated Spool Pieccs-i-Scheduled Handling and Erecting Fabricated Spool Pieces-Heavy Wall . . . . . . . . . . . . . . .. Handling and Erecting Fabricated Spool Pieces-s-Large O.D. Sizes Making on Screwed Fittings and Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. FIeld Handling Valves Held Erection Bolt-Ups , Attaching Flanges-Screwed Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Attaching Flanges-Screwed 'lYPe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

vi

75 76 77 78 79 80 81 82 83 84 85 86

Attaching Flanges-Screwed Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Attaching Flanges-Slip-On Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Attaching Flanges-Weld Neck Type Attaching Orifice Flangcs-s-Slip-On and Threaded Types . . . . . . . . . . . . . . . . . . .. Attaching Orifice Flanges-Weld Neck Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. General Welding Notes Manual Butt Welds-Schedule Manual Butt Welds-Heavy Wall. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Manual Butt Welds-Large O.D. Sizes 90° Welded Nozzles 90° Welded Nozzles-Reinforced Large O.D. 90° Nozzle Welds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. " Large O.D. 90° Nozzle Welds-Reinforced 45° Welded Nozzles 45° Welded Nozzles-Reinforced Large O.D. 45° Nozzle Welds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Large O.D. 45° Nozzle Welds-Reinforced. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Concentric Swedged Ends Eccentric Swedged Ends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. End Closures-Pressure Type Heavy Wall End Closures-Pressure Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Large O.D. Pipe End Closures-Pressure Type . . . . . . . . . . . . . . . . . . . . . . . . . . .. 90° Coupling Welds and Socket Welds ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 'Olet Type Welds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Flame Cutting Pipe-Scheduled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Flame Cutting Pipe-Heavy Wall , Flame Cutting Pipe-Large O.D. Sizes Flame Beveling Pipe-"V" Type Flame Beveling Pipe-Large O.D. Sizes Threading Pipe-Including Cut. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Welded Carbon Steel Attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Drilling Holes in Welded Attachments , Machining Inside of Pipe Machining Inside of Large O.D. Pipe Boring Inside Diameter of Pipe and Installing Straightening Vanes. . . . . . . . . . .. Installing Flow Nozzles-Holding Ring Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Preheating Butt Welds and Any Type Flange Welds Preheating Heavy Wall Pipe Butt Welds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Preheating Large O.D. Pipe Butt Welds Preheating 90° Nozzle Welds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Preheating Large O.D. 90° Nozzle Welds Local Stress Relieving-Scheduled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Local Stress Relieving-Heavy Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Local Stress Relieving-Large O.D. Sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Radiographic Inspection-Scheduled , Radiographic Inspection-Heavy Wall Radiographic Inspection-Large O.D. Sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Hydrostatic Testing-Scheduled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .. Hydrostatic Testing-Heavy Wall Hydrostatic Testing-Large O.D. Sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Access Holes Instrument and Control Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Soldered Non-Ferrous Fittings ,

vii

87 88 89 90 91 92 93 94 95 96 97 98 98 99 100 101 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 13~3 1~14

1:35 136 136

PVC-Plastic Pipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Saran Lined Steel Pipe and Fittings Schedule 30 or 40 Rubber-Lined Steel Pipe and Fittings . . . . . . . . . . . . . . . . . . . .. Schedule 40 Lead Lined Steel Pipe and Fittings Flanged Cast Iron Cement Lined Pipe and Fittings Schedule 40 Cement Lined Carbon Steel Pipe with Standard Fittings . . . . . . . . .. Double Tough Pyrex Pipe and Fittings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Overhead Transite Pressure Pipe-s-Class 150

137 138 13H 140 141 142 143 144

Section Three-ALLOY AND NON-FERROUS FABRICATION Section Introduction Shop Handling Pipe for Fabrication Handle and Erect Fabricated Spool Pieces Handle and Erect Straight Run Pipe Pipe Bends Attaching Flanges Make-Oris through 12-in. Handle Valves through 42-in. . . . . . . . . . . . . . . . . . . . . .. Field Erection Bolt-Ups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. All Welded Fabrication Flame Cutting or Beveling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Machine Cutting and Beveling Pipe Threading Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. , Welded Attachments and Drilling Holes in Welded Attachments Local Stress Relieving Radiographic Inspection Magnetic or Dye Penetrant Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Hydrostatic Testing Access Holes

145 146 147 148 14H 150 151 15:3 154 155 156 157 158 159 160 161 162 163

Section Four-PNEUMATIC MECHANICAL INSTRUMENTATION Section Introduction Liquid Level Gauge Glasses-s-Transparent Type Liquid Level Gauge Glasses->-Transparent Type Liquid Level Gauge Glasses-s-Transparent Type Liquid Level Gauge Glasses-v-Transparent Type Liquid Level Gauge Glasses-i-Reflex Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Liquid Level Gauge Glasses-i-Reflex Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Liquid Level Gauge Glasscs-i-Reflex Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Liquid Level Gauge Glasses-i-Reflex Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Pressure Gauges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Pneumatic Liquid Level Instruruents-i-Local Mounted Pneumatic Liquid Level Instruments-s-Looal Mounted . . . . . . . . . . . . . . . . . . . . .. Pneumatic Pressure Instruments-i-Local Mounted . . . . . . . . . . . . . . . . . . . . . . . .. Pneumatic Temperature Instruments-c-Local Mounted Thermometers and Thermowells Thermometers and Thermowells

viii

164 165 166 167 168 16H 170 171 172 173 174 175 176 177 178 179

Thermowells and Thermocouples Relief Valves-Screwed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Relief Valves-Flanged Relief Valves-Flanged Pneumatic Flow Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flow Indicating Transmitters, Flow Recorders and Flow Controllers . . . . Pneumatic Liquid Level Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control Panel Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting Pneumatic Panel Board Instruments Connecting Pneumatic Panel Board Instruments

180 . . . . .. 181 182 183 . . . . .. 184 . . . . .. 185 . . . . .. 186 . . . . .. 187 188 189

Section Five-UNDERGROUND PIPING Section Introduction Machine Excavation Hand Excavation Rock Excavation Shoring and Bracing Trenches Disposal of Excavated Material Backfilling and Tamping Underground 150 Lbs. B. & S. Cast Iron Pipe Underground Vitrified Clay and Concrete Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . .. Socket Clamps for Cast Iron Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Pipe Coated with Tar and Field Wrapped by Machine

190 191 192 193 193 194 195 195 196 197 197

Section Six-HANGERS AND SUPPORTS Section Introduction 198 Hangers and Supports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 199

Section Seven-PAINTING Section Introduction 200 Surface Area of Pipe for Painting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 201 Sand Blast and Paint Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 202

Section Eight-PATENT SCAFFOLDING Section Introduction Erect and Dismantle

203 204

Section Nine-INSULATION Section Introduction Indoor Thermal Type Insulation-Hot Pipe

205 206 207

ix

Section Ten-SAMPLE ESTIMATE Section Introduction " Sample Job Estimate Form Shop Fabrication-Carbon Steel Shop Fabrication-Alloy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Field Erect-Shop Fabricated Piping Field Fabricate and Erect-Screwed Field Fabricate and Erect-Welded Erect Valves-Screwed and Flanged Hangers and Supports Sandblast and Paint Pipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Insulation Hand Excavate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Underground Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Estimate Summary

208 209 210 211 211 212 213 214 215 215 215 215 215 216

Section Eleven-TECHNICAL INFORMATION Section Introduction Circumference of Pipe for Computing Welding Material Circumference of Pipe for Computing Welding Material-Heavy Wall Circumference of Pipe for Computing Welding Material-Large a.D. Sizes . . . .. Weights of Piping Materials-General Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Weights of Piping Materials-i-I" .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Weights of Piping Materials-c-Ia" Weights of Piping Materials-e-Lk" Weights of Piping Materials-2" . . . . . . . . ....