By Institution of Civil Engineers
The Civil Engineering usual approach to dimension - CESMM has been well-established for 15 years because the ordinary for the instruction of money owed of amounts in civil engineering paintings. This 3rd version, CESMM3, brings the strategy into line with adjustments in practices and extends its utilization into a number of new components. the most adjustments are:
* amendments to convey CESMM3 into line with the ICE stipulations of agreement, sixth edition
* the traditional approach to size for water mains upkeep has been integrated to cater for the wishes of clients who stumbled on that this job used to be no longer satisfactorily catered for in CESMM2
* a chain of amendments to convey CESMM3 into line with contemporary advancements, corresponding to alterations in British Standards
* a very new type, classification Z, has been integrated to supply clients being able to specify an easy construction works incidental to civil engineering works inside a CESMM invoice with no need to hotel to using a development approach to size
CESMM3 has been produced less than the auspices of the ICE's CESMM overview Panel with the drafting performed by way of a group from Coopers & Lybrand below the management of Dr Martin Barnes. E C Harris: volume Surveying supplied the proposals which shaped the foundation of sophistication Z
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Extra info for CESMM3 : civil engineering standard method of measurement
A) formsfor/argreandsma// voids (b) forms for projections and intrusions (c) inserts M7 The mass of steel reinforcement shall betaken as 0-785 kg/m per 100 mm 2 of crosssection (7-85 t/m3). The mass of other reinforcing materials shall be taken as stated in the Contract. M8 The mass of reinforcement measured shall include the mass of steel supports to top reinforcement. M9 The area of additional fabric in laps shall not be measured. D6 The nominal size stated in item descriptions for bar reinforcement shall be the crosssectional size defined in BS4449.
A10 Item descriptions for fabric of other stated material shall state the sizes and nominal mass per square metre. NOTE 44 CLASS G FIRST DIVISION SECOND DIVISION THIRD DIVISION 6 Joints 1 2 3 4 1 Average width: not exceeding 0-5 m 2 0-5-1 m 3 stated exceeding 1 m Open surface plain Open surface with filler Formed surface plain Formed surface with filler 5 Plastics or rubber waterstops 6 Metal waterstops m m 1 Average width: not exceedi ng 150 m m 2 150-200 mm 3 200-300 mm 4 stated exceeding 300 mm 7 Sealed rebates or grooves 7 Post-tensioned prestressing 8 Dowels 1 Plain or greased 2 Sleeved or capped 1 Horizontal internal tendons in in situ concrete 2 Inclined or vertical internal tendons in in situ concrete 3 Horizontal internal tendons in precast concrete 4 Inclined or vertical internal tendons in precast concrete 1 Length: not exceeding 5 m 2 5-7 m 3 7-10m 4 10-15m 5 15-20m 6 20-25 m 7 25-30 m 8 stated exceeding 30 m 5 External jacking operations 8 Concrete accessories 1 Finishing of top surfaces 1 2 3 4 5 Wood float Steel trowel Other stated surface treatment Granolithic finish Other stated applied finish 2 Finishing of formed surfaces 1 Aggregate exposure using retarder 2 Bush hammering 3 Other stated surface treatment carried out after striking formwork 3 Inserts 1 Linear inserts 2 Other inserts 4 Grouting under plates 1 Area: not exceeding 0-1 m2 2 0-1-0-5 m2 3 0-5-1 m2 4 stated exceeding 1 m2 m nr 45 CLASS G MEASUREMENT RULES DEFINITION RULES COVERAGE RULES M10 Jo/ntsshall be measured only where they are at locations where joints are expressly required.
D1 P/anerbrmwor/cshall be classified according to its angle of inclination as follows: M2 Formworksbal\ not be measured for the following: (a) edges of blinding concrete not exceeding 0-2 mwide (b) joints and associated rebates and grooves (c) temporary surfaces formed at the discretion of the Contractor (d) surfaces of concrete which are expressly required to be cast against an excavated surface (e) surfaces of concrete which are cast against excavated surfaces inclined at an angle less than 45° to the horizontal.