Plumber's and Pipe Fitter's Calculations Manual

by Woodson, R.

• ISBN13: 9780071448680
• ISBN10: 0071448683
• Edition: 2nd
• Format: Paperback
• Copyright: 2005-05-18
• Publisher: McGraw Hill

Summary

Here are portable, quick-look-up answers to the most common math problems faced by plumbers, pipelayers, pipefitters, and steamfitters. This time-saving reference allows users to get results instantly without putting pencil to paper or fiddling with a calculator. Job-simplifying Fast Code Facts and Sensible Shortcut boxes Packed with calculations, formulas, charts and tables NEW CHAPTER on estimating take-offs Great for designing or estimating a project

Author Biography

R. Dodge Woodson is a Master Plumber with almost 30 years' experience in the construction field, 21 of them as a self-employed plumbing contractor. The author of numerous McGraw-Hill best-sellers, including Plumbing: Tips, Data, and Rules of Thumb, he has taught plumbing code classes and apprenticeship classes at Central Maine Technical College. As a consultant, Woodson works with a number of plumbing contractors and has frequently been interviewed on the radio on plumbing subjects. He lives in Maine.

Table of Contents

About the Author	viii
Introduction	ix
General Trade Mathematics	1	(16)
Benchmarks	3	(3)
Piping Math	6	(2)
Temperature Tips	8	(2)
How Many Gallons?	10	(1)
Cylinder-Shaped Containers	11	(1)
A Little Geometry	11	(2)
Finding the Area and Volume of a Given Shape	13	(4)
Formulas for Pipe Fitters	17	(12)
45° Offsets	18	(2)
Basic Offsets	20	(3)
Spreading Offsets Equally	23	(1)
Getting Around Problems	24	(2)
Rolling Offsets	26	(2)
Running the Numbers	28	(1)
Potable Water Systems Calculations	29	(20)
Sizing with the Uniform Plumbing Code	30	(18)
The Standard Plumbing Code	48	(1)
Drain-And-Sewer Calculations	49	(24)
Types of Sanitary Drains	50	(1)
Fixture-Unit Tables	51	(7)
Trap Sizing	58	(1)
The Right Pitch	59	(1)
Sizing Building Drains	60	(1)
A Horizontal Branch	60	(1)
Stack Sizing	61	(1)
Sizing Tall Stacks	62	(1)
Supports	62	(2)
Fittings	64	(1)
Riser Drawings	65	(8)
Vent System Calculations	73	(38)
Types of Vents	73	(17)
Distance from Trap to Vent	90	(1)
Sizing Tables	91	(3)
A Sizing Exercise	94	(3)
Stack Vents, Vent Stacks, and Relief Vents	97	(3)
Wet Venting	100	(2)
Sump Vents	102	(2)
Supporting a Vent System	104	(2)
Riser Diagrams	106	(3)
Choosing Materials	109	(2)
Storm-Water Calculations	111	(18)
Sizing Water Heaters	129	(6)
Elements of Sizing	130	(1)
Homes with 1 to 1 1/2 Bathrooms	130	(1)
Remaining Tables	131	(4)
Water Pumps	135	(30)
Calculating Minimum Plumbing Facilities	165	(22)
Commercial Buildings of Multiple Tenants	166	(3)
Retail Stores	169	(2)
Restaurants	171	(1)
Houses	171	(3)
Day-Care Centers	174	(1)
Elementary and Secondary Schools	174	(1)
Offices and Public Buildings	174	(3)
Clubs and Lounges	177	(1)
Laundries	177	(1)
Hair Shops	177	(4)
Warehouses, Foundries, and Such	181	(1)
Light Manufacturing	181	(1)
Dormitories	181	(1)
Gathering Places	181	(6)
Calculating Proper Fixture Spacing and Placement	187	(14)
Clearances Related to Water Closets	193	(1)
Urinals	193	(1)
Lavatories	193	(1)
Keeping the Numbers Straight	193	(1)
Handicap Fixture Layout	193	(1)
Facilities for Handicap Toilets	194	(2)
Lavatories	196	(1)
Kitchen Sinks	196	(1)
Bathing Units	197	(3)
Drinking Fountains	200	(1)
Math for Materials	201	(18)
The Unified Numbering System	201	(1)
Metric Sizes	201	(1)
Threaded Rods	202	(1)
Figuring the Weight of a Pipe	202	(3)
Thermal Expansion	205	(2)
Pipe Threads	207	(1)
How Many Turns?	208	(1)
Pipe Capacities	209	(1)
What Is the Discharge of a Given Pipe Size Under Pressure?	209	(2)
Some Facts About Copper Pipe And Tubing	211	(2)
Cast Iron	213	(1)
Plastic Pipe for Drains & Vents	213	(2)
Piping Color Codes	215	(4)
Troubleshooting	219	(30)
Plumbing Code Considerations	249	(42)
Approved Materials	250	(6)
Minimum Plumbing Facilities	256	(16)
Airgaps and Air Chambers	272	(2)
Specialty Plumbing	274	(2)
Gray Water Systems	276	(1)
Rainfall Rates	277	(7)
Rainwater Systems	284	(7)
Septic Considerations	291	(18)
Simple Systems	292	(1)
The Components	292	(4)
Chamber Systems	296	(2)
Trench Systems	298	(1)
Mound Systems	299	(1)
How Does a Septic System Work?	300	(1)
Septic Tank Maintenance	301	(1)
How Can Clogs Be Avoided?	301	(1)
What About Garbage Disposers, Do They Hurt a Septic System?	302	(1)
Piping Considerations	302	(1)
Gas Concentrations	302	(1)
Sewage Pumps	303	(1)
An Overflowing Toilet	304	(1)
Whole-House Backups	304	(1)
The Problem Is in the Tank	305	(1)
Problems with a Leach Field	306	(3)
Appendix 1 National Rainfall Statistics	309	(16)
Index	325