Pres 12 QTO - 1 CHAPTER 7 QUANTITIY TAKE-OFF QTO The most...

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Presentation 12 QTO 1 CHAPTER 7 QUANTITIY TAKE-OFF QTO The most tedious and time consuming part of the lump sum estimating process No fame or glory comes from being a great quantifier Provides the opportunity to really know the project
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Presentation 12 QTO 2 DRAWNING MARK-UPS As quantities are taken off the drawings need to be marked to insure all work is being accounted for and no work is being duplicated Mark-up Not in Contract (NIC) work
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Presentation 12 QTO 3 MEAUSURMENT Quantity Units: Refer to Appendix C C.10: Standard Units for Quantity Take - Off C.8 : Inches to decimals of a foot. Inch to foot conversions
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Presentation 12 QTO 4 TAKE-OFF SHEETS Figure 7-1 Concrete: - Formwork (sfca) - Concrete (cf) - Finish (sf)
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Presentation 12 QTO 5 GENERAL REQUIREMENTS (Division 1) Suggested Sequence of Construction Project Dates Coordination with Owners Operation’s Submittals Progress Schedules Construction Photography Construction Site Security
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Presentation 12 QTO 6 GENERAL REQUIREMENTS (Division 1) Project Record Documents Warranties Spare Parts Project Closeout Underground Structures Encountered
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Presentation 12 QTO 7 SITE CONSTRUCTION (Division 2) Clearing Earthwork Drilled Piers Piling Geotextile Fabric Vibration & Movement Limits Monitoring
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Presentation 12 QTO 8 SITE CONSTRUCTION (Division 2) Drainage Piping Pavement Fencing Landscaping Plantings
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Presentation 12 QTO 9 SITE CONSTRUCTION (Division 2) 10,000 bcy = 13,500 lcy ( at a 35% swell factor) 10,000 bcy = 500 tri-axle dump trucks at 20 cy/ truck 13,500 lcy = 675 tri-axle dump trucks at 20 cy/ truck At $65/ hr for a truck and a 1 hour round trip that would = 175 trips x $65 = $11, 750 Mass Excavation: Bank vs. Loose Quantities
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Presentation 12 QTO 10 SITE CONSTRUCTION (Division 2) Fine Grading: Performed after mass excavation More accurate, more time consuming Prepares sub-grade for concrete or select fill materials Utilizes different equipment and labor forces
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Presentation 12 QTO 11 SITE CONSTRUCTION (Division 2) BACKFILL For individual foundation footers the excavation volume less the concrete volume would equal the backfill volume (all in bank quantities) Not as easy to apply to all aspects of the work, but a good method to reduce calculations and increase accuracy For large structures take the excavation quantity less the volume of the structure (building, tank etc.)
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Pres 12 QTO - 1 CHAPTER 7 QUANTITIY TAKE-OFF QTO The most...

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