ELEMENT : WORK BELOW LOWEST FLOOR FINISH TAKING OFF LIST NO A
ITEM
DETAIL MEASUREMENT
UNIT M3 M3 M3 M3 M3 M/M2 KG
Column Bases/Pad footings/ Strip footing/Pile caps
1 2 3 4 5 6 7
Excavations Disposal excavated material Filling to excavation Blinding Concrete Formwork Reinforcement
B
Column Stumps
1 2 3
Concrete Formwork Reinforcement
C
Ground Beam
1 2 3 4 5 6
Excavations Disposal excavated material Blinding Concrete Formwork Reinforcement
D
Bed/Slab
1 2 3 4 5 6 7 8
Excavations (bed) / Filling (slab) Disposal excavated material (bed) Hardcore DPM Blinding Concrete Formwork Reinforcement
M3 M2 KG M3 M3 M3 M3 M/M2 KG M3 M3 M 2 /M 3 M2 M3 M3 M/M2 KG/M2
REMARKS
Same quantities as per excavation Qty. excavation - qty. concrete
ITEM NO. A
ORDER TO TAKING OFF
UNIT
DESCRIPTIONS
EXCAVATION
SMM REF.
REMARKS
Section D General Rules; D.10
Depth classification; Max depth n.ex. 0.25m " 1.00m " 2.00m " 4.00m thereafter in 2.00m stages
D.11
Starting Level; Ground level, Reduced Level, Formation level or such level which excavation will commence (normally start from Formation level, a level which formed after earthwork has been done) Quantity for excavation is measured from the actual dimension/size as shown on the drawings/plans. Std. Spec C/3.7 & 8
A.1
Reduced level
M3
Excavating to reduce level, Maximum depth not exceeding ……..
D.12.4
area concrete bed (if suspended grd flr slab this item not measured)
A.2
Pits Pile caps Pad footings
M3
Excavating pits to receive ………….. starting from ………. level, maximum depth not exceeding ……… (In. no……)
D.12.6
Excavating pits to receive ………….. starting from ………. level, maximum depth not exceeding ………, both plan dimensions less than 1.25m (In. no……)
D.12.6
All pits excavation can grouped together. Starting level normally from formation level. For both plan dimensions (length & width) less than 1.25m measured separately. Stating the number (total number of pits irrespective the size)
ITEM NO. A
ORDER TO TAKING OFF
UNIT
DESCRIPTIONS
SMM REF.
REMARKS
EXCAVATION (cont'd)
A.3
Trench Strip footing Ground beam
A4
Extra Over Items Excavating in rock
M3
Excavating trench to receive ………….. starting from ………. level, maximum depth not exceeding ………
D.12.7
All trench excavation can grouped together as foundation, but for purpose of valuation and v.o, it's easier to measure separately.
M3
Extra Over excavation in rock
D.12.2
Also can be measured as an item by itself. ( not as E.O ). Extra Over for each of the various types of excavation (each type of excavation has their own E.O). Quantity can be measure by allow % of the excavation or actual quantity of the rock (depend on engineer's proposal). Std. Spec C/.6.2
Excavating below ground water level
A5
Disposal of water Water in the ground
M3
ITEM
Extra Over Excavating below ground water level
Disposal of water in the ground for keeping the excavations free of ground water
D.12.14
D.16
For area which water level is high. E.O to all types of excavation irrespective of depth. of excavation (each type of excavation has their own E.O). Quantity can be measure by allow % of the excavation or actual quantity of the rock (depend on engineer's proposal).
If there is an item for excavating below ground water level. Std. Spec C/3.9
ITEM NO.
ORDER TO TAKING OFF
A
EXCAVATION (cont'd)
A6
Disposal of excavated material Disposal on site
UNIT
DESCRIPTIONS
SMM REF.
M3
Disposal of excavated material within site in permenent spoil heaps, …..meter from the excavation.
D.18
M3
Remove excavated material within site in ……m distance from the excavation.
D.18
M3
Spread within site excavated material
D.18
Disposal off site
M3
Disposal of excavated material off site at contractor own source
D.19
Filling Filling to excavations
M3
Filling to excavations, material arising from the excavation
M3
Filling to excavations, material to be obtained off site at contractor own source
M3
Filling to excavations, material ……….. deposited and compacted in layers, *mm maximum thickness.
M3
Filling to make up levels over 250mm thk, material arising from the excavation
D.23 & D.26
M2
Filling to make up levels n.ex 250mm thk, material to be obtained off site, hardcore as specified, average thickness ……mm.
D.23 & D.26
M2
Applying anti-termite treatment as specified
REMARKS
All types of excavation can be grouped together To be save allow both types of disposal
A7
Filling to make up levels
A8
Surface treatment
D.23 & 25 Filling materials: a. Material arising from the excavation b. Ditto to be selected and treated D.23 & 25 c. Material to be obtained off site Filling to all types of excavation can be D.23 & 25 grouped together D.27 Std. Spec C/4.12
D.30.2
Std. Spec - apply to area ground slab (C/4.13)
ITEM NO.
ORDER TO TAKING OFF
B
CONCRETE WORKS
B.1
IN-SITU CONCRETE
UNIT
DESCRIPTIONS
SMM REF. F.1
REMARKS Generally Plain in-situ concrete / Reinforced in-situ concrete Grade concrete
F.2.1
F.3
Thickness categories: Not exceeding 100mm 100mm - 150mm 150mm - 300mm exceeding 300mm
Concrete Categories: 1. Foundations in trenches 2. Isolated foundation bases 3. Ground Beam 4. Pile caps 5. Beds 6. Suspended slabs 7. Isolated columns
Plain concrete (blinding)
M3
Plain in-situ concrete grade …. blinding bed; laid on earth or hardcore; not exceeding………..thick.
All blinding works can grouped together under one item.
Reinforced concrete
M3
Reinforced in-situ concrete grade …. in………………….
In ……… Follow concrete categories. Column stump is under isolated column.
ITEM NO. B
ORDER TO TAKING OFF
UNIT
DESCRIPTIONS
SMM REF.
CONCRETE WORKS (CONT'D) F.8.4
B.2
REMARKS
REINFORCEMENT
KG
KG
…..mm Diameter mild steel bar as links, stirrups, binders and the like in foundation
In foundation (bases, grd beam & pile cap) In ground slabs (beds) In Isolated column (stump)
…..mm Diameter high tensile deformed bar as straight and bend bars in ground beam. F.8.5
KG
Classification:
High tensile deformed bar in foundation; …..mm diameter, straight and bent.
Categories: Straight and bend bars Curved bars Links,stirrups, binders and the like Spacers and chairs Curved bar Bar required to be formed to radius not exceeding the critical radius. If not, it will consider as straight bar. Size (ø) 6 8 10 12 16 20 25
Critical Radius (mm) 2500 2750 3500 5000 7500 14000 30000
Allowance for bend and hook shall follow BS 4466:1989
ITEM NO. B B.2
ORDER TO TAKING OFF
UNIT
DESCRIPTIONS
SMM REF.
REMARKS
CONCRETE WORKS (CONT'D) REINFORCEMENT (cont'd)
M2
Fabric reinforcement ; In ground slab; reference …………
F.9.2
Classification follows as bar reinforcement Quantity measured as the area covered.
M
B.3
Fabric reinforcement ; strip ...mm width; in ground slab; reference …………
FORMWORK
F.9.4
F.10.1
Categories; Foundations and beds (footings, pile caps bases, ground beams) Isolated features (stumps)
F.11.1
Height categories; (for height n.ex. 1m) Not exceeding 250mm high 250mm-500mm high 500mm-1.00m high
M2
M
C
WATEPROOFING AND ASPHALT WORK
Formwork to edges and faces of foundations Formwork to ground beam; 250mm500mm high.
Classfication; A layer of polythene sheet as specified damp proof membrane; ….mm thick; laid on blinding.
Damp proofing and tanking
