[...]... Reducing Ductwork and Piping Costs 297 22 Computerized Estimating 305 x Preface This cost estimating manual, covering labor and material costs for sheet metal, piping and plumbing construction work, will save you time and money, and help get you jobs It is a clear, practical, comprehensive mechanical estimating manual, with a tremendous source of valid labor and price data, formulas,... forms, detailed estimating, budget estimating, and has many sample estimates It shows you how to produce complete and accurate sheet metal, piping and plumbing estimates quickly and easily It contains complete man hours, material costs and budget costs It is clear, concise, comprehensive and clearly organized for easy reference and application to smooth estimating It is an indispensable guide and source... successful estimating and contracting, systematic estimating procedures and sample estimates • It covers conceptual and scope budget estimating, as well as fully detailed • Piping Labor Tables The piping tables contain valid labor figures which are a consensus of leading successful piping contractors all over the U.S., both large and small—developed and compiled during the past ten years with Wendes Systems piping. .. Wendes WinDuct and WinPipe estimating systems This manual gives an overall perspective and detailed understanding of the estimating systems and contractors can switch from manual estimating using this manual to the computer estimating system quickly and easily Section I How to Prepare Sheet Metal and Piping Estimates This page intentionally left blank Chapter 1 Successful Estimating Principles • THE... complete and accurate bids is the first and most vital step in contracting and survival is predicated on it Estimating sheet metal and piping construction projects can be a risky and error prone process and mistakes can and do happen The Problems • Rushing, not allowing or having enough time to do a thorough and accurate job A Valid Estimate Leads to: • A more positive approach to doing the job well and. .. Figures There has been a great need for complete and valid man-hour figures on ductwork put together in a practical fashion Here is a manual that does just that And combined with complete and valid piping and plumbing labor and cost figures, it thoroughly covers the entire realm of mechanical contracting estimating Based on Twenty Years of Cost Records and Time Studies The sheet metal labor figures contained... compiled during the past ten years with Wendes Systems piping estimating software owners It covers estimating all types of mechanical equipment; heating and cooling, HVAC units, air distribution, plumbing fixtures, specialties, air pollution and heat recovery equipment • It covers estimating all types of sheet metal, pressure pipe and fittings, DWV pipe and fittings, valves, specialties, etc • Widespread Application... needed, what the components and accessories are, the operations involved and type of materials, tools and machinery needed (See sections on proficient sheet metal and piping estimators.) USE TIME SAVING ESTIMATING TECHNIQUES Clarify with Sketches and Diagrams Draw pictures and diagrams to clarify Sketch on the plans, on separate sheets of paper or on take off sheets 10 Mechanical Estimating Manual Diagram... plans, specs and other documents to become familiar with what 3 Perform Quantity Takeoffs and Extensions Before beginning the takeoff of ductwork and equipment study the plans and specs thoroughly, mark and color the drawings Highlight different types of duct runs, piping lines and insulated runs in color as required to distinguish one from the other Locate and mark alternate and addendum areas and conditions... ductwork, piping and small equipment and then specialties 11 12 Mechanical Estimating Manual List everything on the summary sheet, grouping items in the major categories; equipment to start with, then ductwork, piping, specialties, special labor and minor subs Price out raw materials, extend shop and field labor and total the labor columns 4 Calculate Miscellaneous Labor based on quantity takeoffs and extensions, . alt="" Mechanical Estimating Manual Sheet Metal, Piping and Plumbing This page intentionally left blank Mechanical Estimating Manual Sheet Metal, Piping and. Ductwork and Piping Costs 297 22 Computerized Estimating 305 xi This cost estimating manual, covering labor and material costs for sheet metal, piping and plumbing