12 measurement for flatness and levelness and equipment

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Equipment Training PREMIER CONCRETE EQUIPMENT Pty Ltd 12 MEASUREMENT FOR FLATNESS AND LEVELNESS AND EQUIPMENT Presenter: Viet Nguyen TERMS AND DISPUTES Do you mean superflat? OR just a flat floor? I want to a superflat floor… I can a superflat floor… But your floor is not level enough… © copyright - PCE The spec says 3mm gap under 3m straightedge… Straightedge? SR2? FM2? WHAT IS FLATNESS? Flatness relates to the bumpiness of the floor WHAT IS LEVELNESS? Levelness (FL) relates to the tilt or slope of the floor © copyright - PCE DIFFERENT TYPES OF FLOOR PROFILES © copyright - PCE Levelness Flatness Levelness Flatness Levelness Flatness Levelness Flatness Your floor profile readings will look like this… THE HIGHER THE NUMBER THE BETTER THE FLOOR PROFILE… WHY IS FLOOR MEASUREMENT NEEDED? To ensure floor specifications are met so that lift-trucks can operate smoothly & efficiently Flooring contractor need to daily checks to ensure works carried out meet their objectives Check whether existing floor can cater for higher racking or to upgrade lift-trucks © copyright - PCE Avoid disputes FUNDAMENTAL KNOWLEDGE Knowing the types of floor patterns Random Traffic / Free Movement Defined Movement / Defined Traffic Types of floor specification  Straightedge  F-Numbers (American Standard)  TR34 (British Standard)  DIN (European Standard) © copyright - PCE TYPES OF FLOOR PATTERN Random Traffic / Free Movement Material Handling Equipment (MHE) are free to roam in any direction © copyright - PCE TYPES OF FLOOR PATTERN Defined Movement / Defined Traffic For Very Narrow Aisle (VNA) warehouse MHE moves along an exact path only guided by a concealed wire or side rail © copyright - PCE TYPES OF FLOOR SPECIFICATIONS  Straightedge  TR34 (British Standard) Free Movement (FM) Defined Movement (DM)  F-Numbers (American Standard) Random Traffic (FF & FL) Defined Traffic (F-min)  DIN & Others (European Standard) © copyright - PCE BS STANDARD (BS8204-1:2002) – PART MEASURING FLOOR SURFACE REGULARITY (SR) - Table – Classification of surface regularity of direct finished base slab or levelling screed Class Maximum permissible departure from the underside of a 3m straightedge resting in contact with the floor, mm SR1 SR2 SR3 10 © copyright - PCE 10 Defined Traffic Method of Measuring Fmin Extract from Dipstick Floor Profiler Operator’s Manual - Page VIII-3 © copyright - PCE 56 Defined Traffic Fmin Report (Sample) Extract from Dipstick Floor Profiler Operator’s Manual- Page VIII-8 © copyright - PCE 57 Defined Traffic Fmin Specification • Commonly used specification ranges from Fmin 50 to Fmin 100 • Height of the racking and desired speed • Fmin number depends on the dimension of MHE (Transverse & Longitudinal) • Fmin and FF FL numbers are not comparable e.g.Fmin 100 is not equivalent to FF100 © copyright - PCE 58 DIN Standard Germany & Europe © copyright - PCE 59 DIN Standard o Random Traffic - DIN 18202 (2005-10) Tolerances in Building Construction (Structure) o Defined Traffic - DIN 15185 Part - VNA Wire Guided o VDMA standard document for VNA trucks (2010) o Verband Deutscher Maschinen- und Anlagenbau e.V (Association of German Machine and Plant Construction) o It is s a German engineering association that publishes industry standards © copyright - PCE 60 Random Traffic DIN18202 18202 (2005 – 10) Standard Permitted Flatness Deviation Column Group Deviations applicable to Permitted position deviations, in mm, for distances between measuring points, in m, up 0,1 1ª 4ª 10ª 15ab Unfinished upper surfaces of floors, subfloors and concrete bases 10 15 20 25 30 Unfinished upper surfaces of floors, subfloors and concrete bases subject to more stringent requirements (e.g to receive floating screed, industrial floors, tile flooring and bonded screed), and finished surfaces for minor purposes (e.g in storerooms or basements) 12 15 20 Finished floors (e.g screed as wearing courses or screed to receive a flooring, tiled floorings, trowelled or bonded floorings) 10 12 15 As for group 3, but subject to more stringent requirements 12 15 Unfinished walls and unfinished ceilings 10 15 25 30 Finished walls and ceilings (e.g plastered walls, wall claddings and linings, suspended ceilings) 10 20 25 As for group 6, but subject to more stringent requirements 15 20 a Intermediate b values shall be taken from figures and 5, and shall be given to the nearest millimetre The values in this column also apply to distances between measuring points of over 15m © copyright - PCE 61 Defined Traffic DIN15185 DIN 15185 Part o This document is for VNA floor specification (1990) o Extract from DIN 18202 2015-10 for VNA floor (flatness of the wheel part) o Consists of parameters:1 Lateral height variation across the tracks (Transverse) Evenness tolerance on the line of the tracks (Longitudinal) © copyright - PCE 62 DIN 15185 Part – Defined Traffic Floor 1) Lateral height variation across the tracks (Transverse) Permitted height difference h as maximum value measured between outer wheel tracks Sp at track gauge S in m Up to 1.0m Over 1.0m to 1.5m Over 1.5m to 2.0m Over 2.0m to 2.5m Industrial truck lifting height 6.00m 2.0 2.5 3.0 3.5 Industrial truck lifting height 6.01m and automatic operation 1.5 2.0 2.5 3.0 © copyright - PCE 63 DIN 15185 Part – Defined Traffic Floor 2) Evenness tolerance on the line of the tracks (Longitudinal) Maximum measured indentation depth in the wheel tracks Sp at measuring intervals in m For all types of application 1.0m 2.0m 3.0m 4.0m 2.0mm 3.0mm 4.0mm 5.0mm Evenness test procedure: refer to DIN 18 202 © copyright - PCE 64 Defined Traffic from VDMA o VDMA stand for Verband Deutscher Maschinen- und Anlagenbau e.V (Engineering Association) o New standard for VNA trucks o parameters to follow: Prop Z and Z slope and Prop DZ (Transverse Limit) Flatness along the wheel tracks (Longitudinal Flatness) Waviness Number Fx © copyright - PCE 65 1) Prop Z and Z Slope and Prop dZ © copyright - PCE 66 Flatness along the wheel tracks © copyright - PCE 67 Waviness Number Fx © copyright - PCE 68 SUMMARY OF FLOOR SPECIFICATION Standard Random Traffic Defined Traffic The Concrete Society, Technical Report (TR34 4th edition) (UK) Free Movement FM1, FM2, FM3 & FM4 Defined movement DM1, DM2 & DM3 American Society for Testing & Materials (ASTM) E-1155 (USA) F-Numbers (FF FL) FF20 FL15, FF25 FL20, FF35 FL25, FF45 FL35, FF60 FL40 Fmin Fmin50 to Fmin100 European, Germany (DIN) DIN 18202 DIN 15185 / VDMA © copyright - PCE 69 Knowledge Sharing Education Providing Solutions © copyright - PCE 70