1. No category

Rdb Architectural
Contact:
Telephone:
Rod Babb
Consultant
013290085
e-Mail:
[email protected]
Building Estimating Services
Quotation
Sample Estimate (Small Rear Extension)
Dated: 21 August 2012
This is an unpriced Sample Quotation/ Bill of Quantities prepared by Rdb
Building Estimating Services for gaining tender quotations from either
nominated or client preferred Building Contractors
Click on the link above and go to our Estimating Package 1 for further details
Mr @ Mrs Brown
21 Null Street
Warbleton
01 - Sample Estimate (Small Rear Extension)
1 - Preliminaries
Ref
Description
Quantity
Units
Rate
Value
Supervision and administration
A
Allowance for supervision of one day per week by
office personnel. Refer to Rdb Project
Managment Scheme for further details.
W eek
Insurances
Building Employer`s Liability and Public Liability is
allowed for in the calculation of the total hourly rate
Increased costs
Allowance for increased costs based upon the
contract duration
Transport and haulage
B
Running expenses (say 40 miles/day)
4
Week
3
Week
3
Week
6
Week
Plant and small tools
C
Concrete mixer
Scaffolding
D
Externally (say)
367.50
Cleaning
E
Cleaning during contract period
F
Cleaning up on completion
Nr
To Collection:
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1,102.50
01 - Sample Estimate (Small Rear Extension)
2 - Foundations/ Drainage
Ref
Description
Quantity
Units
Rate
FOUNDATION EXCAVATIONS & CONCRETE
EXCAVATION BY HAND
Excavating trenches to receive foundations
exceeding 0.30 m in width, maximum depth not
exceeding:
Excavating starting 1.00 m below ground level
A
1.00 m
15
m3
12
m2
15
m3
6
m3
Excavating/lowering area to receive to receive
concrete not exceeding 0.150 mm in depth
B
150 mm
DISPOSAL OF EXCAVATED MATERIAL
Disposing of excavated material by depositing on
site in temporary spoil heaps, average distance
from excavation:
Hand loading from spoil heaps or from side of
excavations
C
25 m
FOUNDATION CONCRETE
Foundations in trenches:
PLAIN dense aggregate concrete grade C20/25,
D
exceeding 300 mm thick
E
100 - 150 mm thick
F
10 Km
m3
15
m3
PLAIN dense aggregate concrete grade C20/25,
FILLING
Imported hardcore filling for oversite area
G
Filling to excavations, by hand, compacting with
Whacker in 250 mm layers
m3
OVERSITE CONCRETE
Beds:
PLAIN dense aggregate concrete grade C20/25,
H
100 - 150 mm thick
m3
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Value
01 - Sample Estimate (Small Rear Extension)
2 - Foundations/ Drainage
Ref
Description
Quantity
Units
Rate
NB Floor insulation fitted over concrete oversite
refer to insulation section
To Collection:
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Value
01 - Sample Estimate (Small Rear Extension)
2 - Foundations/ Drainage
Ref
Description
Quantity
Units
Rate
DRAINAGE
PIPEWORK
Pipes and fittings; PVC underground drainage
110 mm nominal size pipes laid in trench:
A
in runs exceeding 3.00 m long
6
m
B
Extra for: short radius bends 87.5 degrees
3
Nr
1
Nr
3
m3
Accessories, unplasticised PVC, jointing to drains
C
Two piece gully; universal gully trap with 110 mm
inlet and 110 mm outlet and plain square hopper
INSPECTION CHAMBERS, MANHOLES,
SOAKAWAYS AND THE LIKE
Excavating by hand
Pits to receive inspection chambers, manholes,
soakaways and the like maximum depth not
exceeding:
D
1.00 m
PVC Inspection Chambers (UPO)
Universal inspection chambers 450 mm diameter
and placing in excavation:
E
240 mm Base unit (4D1240B)
1
Nr
F
235 mm Raising piece (4D1235R)
2
Nr
G
Grade C cast iron cover and frame (DIFC3)
1
Nr
TESTING DRAINS
Testing pipes with water:
H
100 mm
m
To Collection:
2/3
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Value
01 - Sample Estimate (Small Rear Extension)
Ref
Description
Quantity
Collection for Foundations/ Drainage
2/1
2/2
2/3
To Summary:
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Units
Rate
Value
01 - Sample Estimate (Small Rear Extension)
3 - Brickwork/Blockwork Below Ground
Ref
Description
Quantity
Units
Rate
BRICKWORK AND BLOCKWORK (Below
Ground Level)
BLOCKWORK
Precast concrete blocks, BS 6073, natural
aggregates, compressive strength 7 N/mm2, face
size 440 x 215 mm; in gauged mortar (1:2:9)
Skins of hollow walls:
A
solid blocks, thickness: 100 mm
10
m2
1
m2
BRICKWORK
Common bricks, BS 3921, PC *G1001 per 1000 in
cement mortar ( 1:3 )
Skins of hollow walls:
B
102.5 mm
To Collection:
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Value
01 - Sample Estimate (Small Rear Extension)
4 - Brickwork/1blockwork above ground
Ref
Description
Quantity
Units
Rate
Thermal blocks, face size 440 x 215 mm; in gauged
mortar (1:2:9)
EXTERNAL CAVITY WALLS
FACE BRICKWORK (cavity outer skin)
Walls and skins of hollow walls in:
A
102.5 mm
25
m2
25
m2
25
m2
4
m
25
m2
3
m
10
m
Bucket handle pointing as the work proceeds in:
B
stretcher bond
BLOCKWORK (cavity inner skin)
Skins of hollow walls:
C
100 mm
Fair return:
D
150-300 mm wide
SUNDRIES
Cavity wall insulation, wedging in position between
wall ties; fixing with insulation clips/discs
Fibreglass Drytherm fibreglass batts:
E
75 mm thick
Expamet stainless steel wall starters; plugging to
brickwork with plugs and screws provided; bending
out tie arms at 225 mm centres and building in to
joints of new walls
F
110 - 115 mm
Closing cavities with Thermabate PVCu cavity
closers; fixing to backs of door/window frames with
nails:
Cavities
G
Cavity width: 85/100 mm
To Collection:
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Value
01 - Sample Estimate (Small Rear Extension)
5 - Roof
Ref
Description
Quantity
Units
Rate
WOODWORK
CARCASSING ITEMS
Sawn softwood, Building quality, untreated NOTE:
The prices in this section allow for untreated timber;
the following allowances should be made to
material prices for preservative treatment, special
qualities and special sawings etc; preservative
treatment + 15% stress grading - GS + 7% stress
grading - SS + 25% gauging + 6% special sawing +
15% long lengths = 5.1 - 6.0 m + 8% 6.3 - 7.2 m +
15% 7.5 and over + 20%
Pitched roofs including ceiling joists:
A
50 x 100 mm Celing Joists
B
50x125 mm Rafters
60
m
120
m
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Value
01 - Sample Estimate (Small Rear Extension)
6 - Roof Tiling
Ref
Description
Quantity
Units
Rate
ROOFING
TILE ROOFING AND CLADDING
Marley concrete tiles; all perimeter tiles
mechanically fixed; main body of tiles not fixed; 38 x
25 mm treated sawn softwood battens
Roof covering to minimum pitches recommended
by the manufacturer, laid to 100 mm lap:
A
413 x 330 mm tiles: Modern granule or smooth
finish
30
m2
16
m
30
m2
30
m2
30
m2
Extra for Marley Interlocking Dry Verge System;
moulded PVCu units; fixing with annular ring shank
nail to battens:
B
left hand or right hand verge to tiles laid with 75
mm lap: Modern with half tiles in alternate courses
Extra for fixing each tile at eaves with one eaves
clip and provide eaves filler
C
413 x 330 mm tiles: Modern granule or smooth
finish
COUNTER-BATTENS AND UNDERFELTING
Treated sawn softwood counter-battens
Fixing with galvanised nails to softwood:
D
38 x 25 mm: 600 mm centres
Underfelting with 150 mm laps, secured with
battens
E
Storex high performance slaters felt
To Collection:
6/1
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Value
01 - Sample Estimate (Small Rear Extension)
7 - Internal Carcass Work
Ref
Description
Quantity
Units
Rate
WOODWORK
CARCASSING ITEMS
Sawn softwood, Building quality, untreated NOTE:
The prices in this section allow for untreated timber;
the following allowances should be made to
material prices for preservative treatment, special
qualities and special sawings etc; preservative
treatment + 15% stress grading - GS + 7% stress
grading - SS + 25% gauging + 6% special sawing +
15% long lengths = 5.1 - 6.0 m + 8% 6.3 - 7.2 m +
15% 7.5 and over + 20%
Partitions:
A
50 x 75 mm
40
m
10
m
Solid strutting to joists:
B
50 x 150 mm
To Collection:
7/1
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Value
01 - Sample Estimate (Small Rear Extension)
8 - Internal Finishings
Ref
Description
Quantity
Units
Rate
FLOOR, WALL AND CEILING FINISHES
DRY LININGS
Gypsum plasterboard: tapered edges, fixed with
galvanised nails to softwood; joints filled, taped and
finished flush; holes filled with joint filler; surface
finished with one coat Gyproc Drywall Sealer
To stud walls:
A
12.5 mm wallboard: over 300 mm wide
B
12.5 mm wallboard: not exceeding 300 mm wide
50
m2
2
m2
To Collection:
8/1
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Value
01 - Sample Estimate (Small Rear Extension)
9 - Carpentry Second Fixing
Ref
Description
Quantity
Units
Rate
WOODWORK
UNFRAMED SECOND FIXINGS
Standard mouldings in Medium density fibreboard
Skirting, torus moulded:
A
18 x 125 mm
B
mitres on: 18 x 125 mm
25
m
6
Nr
3
Nr
4
Pair
IRONMONGERY
Fixing only ironmongery; to softwood and the like
Locks, latches and furniture:
C
mortice latch
Hinges:
D
medium steel butts
Wrought softwood; non-standard mouldings
Architrave, moulded:
E
19 x 75 mm
F
mitres on: 19 x 75 mm
20
m
4
Nr
2
m2
Slatted shelving; over 300 mm wide:
METALWORK
G
19 x 38 mm slats at 75 mm centres
COMPOSITE ITEMS
Premdor 4 Panel doors, hollow core construction
faced both sides with 4 panel embossed moulded
hardboard, unlipped, factory primed, shrink
wrapped
35 mm thick doors:
H
762 x 1981 mm
2
Nr
I
533 x 1981 mm
1
Nr
Fixing only ironmongery; to softwood and the like
To Collection:
9/1
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Value
01 - Sample Estimate (Small Rear Extension)
2B - Site Condition & Rules
Ref
Description
Quantity
Units
Rate
Its the contractors responsability to check on
site access and allow accordingly in the
Quotation
These quantities are not subject for remeasurement.
All work to be carried out strictly in accordance
with the latest edition of the HSE health and
safety regulations
Leave site clean and tidy on a day to day basis.
On completion remove and clear all rubbish
from site
To Collection:
2B/1
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Value
01 - Sample Estimate (Small Rear Extension)
Summary
Ref
Description
1
Preliminaries
2
Foundations/ Drainage
3
Brickwork/Blockwork Below Ground
4
Brickwork/1blockwork above ground
5
Roof
6
Roof Tiling
7
Internal Carcass Work
8
Internal Finishings
9
Carpentry Second Fixing
Quantity
Total:
Summary
PDF created with pdfFactory trial version www.pdffactory.com
Units
Rate
Value