D GROUNDWORK

D20 Excavating and filling

Excavating by machine

To reduce levels, maximum depth not exceeding

a 0.25 m 12.02 m3 3.20 38 46

Trenches, width over 0.30 m, maximum depth not

exceeding

b 1.00 m 6.87 m3 11.50 79 01

Excavating by machine in confined spaces

Trenches, width over 0.30 m, maximum depth not

exceeding

c 1.00 m 1.29 m3 10.45 13 48

Pits, maximum depth not exceeding

d 1.00 m 0.44 m3 7.26 3 19

Breaking out

Existing materials

e concrete (existing GF slab) 1.58 m3 120.50 190 39

f concrete (existing foundations) PROVISIONAL

QUANTITY 1.37 m3 120.50 165 09

Disposal

On site by hand

g to skips. (Skips measure elsewhere) 17.17 m3 84.00 1,442 28

D21 Ground gas venting

Excavation of radon sump

by hand, depth not exceeding

h 1.00m 5.40 m3 92.40 498 96

Construction of radon sump using

900 x 900mm PC slab

i as base and lid. 3.00 nr 9.70 29 10

100mm dense concrete blocks loose laid

j as side walls. 3.00 nr 24.00 72 00

Excavation of trench

by hand

k for radon pipe (Disposal measure in disposal item

above) 8.00 m 30.00 240 00

100mm PVCu pipe

laid in trench as radon extract pipe

l including building into radon sump and wall. 8.00 m 6.09 48 72

2 Trevarthian Cottages, Kestle Mill, Newquay EXCAVATION & FILLING

B G Helps A Building Design & Estimating Page 8 To Collection £ 2,820 68

Qty Unit Rate £ p

F MASONRY

F10 Brick/Block walling

Precast concrete dense aggregate blocks to BS 6073

in gauged mortar 1:1:6

skins of hollow walls

a 100 mm solid 73.24 m2 41.13 3,012 36

walls and partitions

b 100 mm solid (this wall is a new wall to the

ground floor only there is no indication to say the

wall is to be extended to the first floor level). 10.70 m2 26.78 286 55

E IN SITU CONCRETE/LARGE PRECAST CONCRETE

E10 Mixing/casting/curing in$situ concrete

Site mixed in*situ concrete

Plain in situ concrete 1:2:4 * 20 mm aggregate

c filling to hollow walls 0.53 m3 346.16 183 46

C EXISTING SITE/BUILDINGS/SERVICES

C90 Alterations $ spot items

Block up openings in walls

Blockwork in gauged mortar 1:1:6

d 100 mm 7.41 m2 41.97 311 00

Cut pockets and bond blockwork to existing

e 100 mm wide 10.00 m 10.00 100 00

Precast concrete lightweight aggregate loadbearing

blocks to BS 6073 in gauged mortar 1:1:6

skins of hollow walls

f 100 mm 54.88 m2 27.47 1,507 55

F30 Accessories/Sundry items for brick/block/stone

walling

Forming cavities

50 * 100 mm cavities in hollow walls with 200 mm

wall*ties at 5 per m2 using

g 0.6 mm stainless steel pressed ties with

insulation retaining clips 62.59 m2 5.55 347 37

Closing cavities

Thermabate cavity closers

h 100mm cavity 20.46 m 25.44 520 50

using Rockwool TCB cavity barrier,

i 100mm 16.80 m 13.25 222 60

2 Trevarthian Cottages, Kestle Mill, Newquay BRICKWORK, BLOCKWORK & MASONRY

B G Helps * Building Design & Estimating Page 14 To Collection £ 6,491 39

Qty Unit Rate £ p

P BUILDING FABRIC SUNDRIES

P10 Sundry insulation/proofing work/fire stops

Insulating boards

Celotex insulation board, for ground floor

construction, laid level

a 80mm thick 44.00 m2 15.92 700 48

J WATERPROOFING

J40 Flexible sheet tanking/ damp proof

membranes

Tanking and damp proofing

Polythene medium weight sheet underlay lapped

150 mm at joints

b horizontally 44.00 m2 0.85 37 40

K LININGS/SHEATHING/DRY PARTITIONING

K20 Timber board

flooring/sheathing/linings/casings

Flooring

Plywood flooring in 1500 x 600mm panels tongued

and grooved all edges, width exceeding 300 mm,

thickness

c 6mm 44.00 m2 19.71 867 24

G STRUCTURAL/CARCASSING METAL/TIMBER

G20 Carpentry/Timber framing/First fixing

Impregnated sawn softwood , SC3 Grade

Floor members

d 38 x 175mm 29.70 m 4.72 140 18

Metalwork

Galvanised steel joist hangers , built in

e 38 x 175mm 18.00 nr 4.71 84 78

30 x 2.5mm galvanised steel holding down straps,

twice bent, one end drilled and screwed to timber,

the other end built in

f 1200mm girth 4.00 nr 11.83 47 32

Herringbone strutting (size 50 x 50 mm) to joists,

(measured over joists)

g 175 mm deep 3.30 m 9.24 30 49

Noggings between joists

h 50 x 50mm 19.20 m 4.56 87 55

2 Trevarthian Cottages, Kestle Mill, Newquay WOODWORK & JOINERY

B G Helps , Building Design & Estimating Page 20 To Collection £ 1,995 44

Qty Unit Rate £ p

Collection

Total from Page 20 £ 1,995 44

Total from Page 21 £ 2,064 88

Total from Page 22 £ 1,848 82

Total from Page 23 £ 4,070 15

Total from Page 24 £ 1,574 47

2 Trevarthian Cottages, Kestle Mill, Newquay WOODWORK & JOINERY

B G Helps 3 Building Design & Estimating Page 25 To Summary £ 11,553 76

Qty Unit Rate £ p

Summary

PRELIMINARIES Page 3 £ 11,360 00

DEMOLITIONS & REMOVALS Page 7 £ 3,971 01

EXCAVATION & FILLING Page 10 £ 3,756 38

CONCRETE WORK Page 13 £ 3,566 59

BRICKWORK, BLOCKWORK & MASONRY Page 17 £ 8,449 31

ROOFING & RAINWATER DISPOSAL Page 19 £ 5,376 25

WOODWORK & JOINERY Page 25 £ 11,553 76

FLOOR, WALL & CEILING FINISHES Page 28 £ 5,419 12

DECORATION Page 30 £ 2,728 97

DRAINAGE Page 33 £ 1,540 11

EXTERNAL WORKS Page 35 £ 292 37

SPECIALIST INSTALLATIONS Page 38 £ 25,966 15

PROVISIONAL & PC ITEMS Page 40 £ 2,394 32

2 Trevarthian Cottages, Kestle Mill, Newquay

B G Helps 7 Building Design & Estimating Page 41 Total for Bill £ 86,374 34

Qty Unit Rate £ p