ABSTRACT
GC1; 100mm thick – – – – 41.99 m2 41.99 GC2; 150mm thick – – – – 55.10 m2 55.10
Grassblock 103; solid matrix precast concrete
blocks; to 20mm thick sand blinding layer;
excluding edge restraint; including soiling and
seeding
406× 406× 103mm; fully interlocking – – – – 38.80 m2 38.80
Grass reinforcement; Farmura
Environmental Ltd
Matrix grass paver; recycled polyethylene and
polypropylene mixed interlocking erosion
control and grass reinforcement system laid to
rootzone prepared separately and filled with
screened topsoil and seeded with grass seed;
green
Golpla; 640× 330× 38mm 13.50 0.04 2.41 – 15.96 m2 18.37
Embankments; Cooper Clarke Civils and
Lintels
Ecoblock polyethylene; 925 ×310 ×50mm;
heavy duty for car parking and fire paths
to firm subsoil (not included) 19.57 0.01 0.77 – 30.07 m2 30.84 to 100mm granular fill and geotextile 19.57 0.03 1.54 0.13 34.47 m2 36.14
to 250mm granular fill and geotextile 19.57 0.07 3.85 0.22 40.01 m2 44.08
Extra for filling Ecoblock with topsoil; seeding
with rye grass at 50 g/m2 1.70 0.07 3.87 0.18 1.70 m2 5.75
Neoweb polyethylene soil stabilizing panels; to
soil surfaces brought to grade (not included);
filling with excavated material
panels; 2.5 × 8.0m×100mm deep 8.22 0.03 1.92 2.56 8.22 m2 12.70
panels; 2.5 × 8.0m×200mm deep 16.48 0.04 2.56 3.06 16.48 m2 22.10
Neoweb polyethylene soil stabilizing panels; to
soil surfaces brought to grade (not included);
filling with ballast
panels; 2.5 × 8.0m×100mm deep 8.22 0.04 2.14 2.56 10.12 m2 14.82
panels; 2.5 × 8.0m×200mm deep 16.48 0.05 2.96 3.06 20.29 m2 26.31
Neoweb polyethylene soil stabilizing panels; to
soil surfaces brought to grade (not included);
filling with ST2 10N/mm2 concrete
panels; 2.5 × 8.0m×100mm deep 8.22 0.05 3.08 – 15.81 m2 18.89 panels; 2.5 × 8.0m×200mm deep 16.48 0.07 3.81 – 31.66 m2 35.47
Extra over for filling Neoweb with imported
topsoil; seeding with rye grass at 50 g/m2 3.53 0.02 1.28 0.30 3.53 m2 5.11
PC
Excluding site overheads and profit £ hours £ £ £ rate £
EMBANKMENTS – cont
Willow walling to riverbanks; LDC Ltd
Woven willow walling as retention to
riverbanks; driving or concreting posts in at
2m centres; intermediate posts at 500mm
centres
1.20m high – – – – – m 132.67 1.50m high – – – – – m 169.13
Flexible sheet materials; Tensar
International
Tensar Mat 400 erosion mats; 3.0-4.5m wide; securing with Tensar pegs; lap rolls 100mm;
anchors at top and bottom of slopes; in trenches 4.40 0.01 0.32 – 4.40 m2 4.72 Topsoil filling to Tensar Mat; including brushing
and raking 0.88 0.01 0.32 0.08 0.88 m2 1.28
Tensar Bi-axial Geogrid; to graded compacted
base; filling with 200mm granular fill;
compacting (turf or paving to surfaces not
included); 400mm laps
TriAx 150; 39×39mm mesh 1.40 – 0.26 0.11 6.87 m2 7.24 TriAx 160; 39×39mm mesh 1.82 – 0.26 0.11 7.29 m2 7.66 TriAx 170; 39×39mm mesh 2.15 – 0.26 0.11 7.62 m2 7.99
Flexible sheet materials; Terram Ltd
Terram synthetic fibre filter fabric; to graded
base (not included)
Terram 1000; 0.70mm thick; mean water
flow 50 l/m2/s 0.41 0.01 0.32 – 0.41 m2 0.73 Terram 2000; 1.00mm thick; mean water
flow 33 l/m2/s 0.62 0.01 0.32 – 0.62 m2 0.94 Terram Minipack 0.71 – 0.06 – 0.71 m2 0.77
Flexible sheet materials; Greenfix Ltd
Greenfix; erosion control mats; 10-15mm thick; fixing with 4 nr crimped pins in
accordance with manufacturer’s instructions; to graded surface (not included)
unseeded Eromat 1; 2.40m wide 103.47 0.67 38.50 – 167.47 100m2 205.97 unseeded Eromat 2; 2.40m wide 130.69 0.67 38.50 – 194.69 100m2 233.19 unseeded Eromat 3; 2.40m wide 147.03 0.67 38.50 – 211.03 100m2 249.53 seeded Covamat 1; 2.40m wide 166.25 0.67 38.50 – 230.25 100m2 268.75 seeded Covamat 2; 2.40m wide 210.00 0.67 38.50 – 274.00 100m2 312.50 seeded Covamat 3; 2.40m wide 227.50 0.67 38.50 – 291.50 100m2 330.00
Bioroll; 300mm diameter; to river banks and
revetments 19.00 0.04 2.41 – 21.18 m 23.59
PC
Excluding site overheads and profit £ hours £ £ £ rate £
Extra over Greenfix erosion control mats for
fertilizer applied at 70 g/m2 9.05 0.07 3.85 – 9.05 100m2 12.90 Extra over Greenfix erosion control mats for
Geojute; fixing with steel pins 1.32 0.01 0.43 – 1.32 m2 1.75 Extra over Greenfix erosion control mats for
laying to slopes exceeding 30° – – – – – 25% –
Extra for the following operations
Spreading 25mm approved topsoil
by machine 0.84 – 0.12 0.13 0.84 m2 1.09 by hand 0.84 0.01 0.68 – 0.84 m2 1.52
Grass seed; PC £4.50/kg; spreading in two
operations; by hand
35g/m2 15.75 0.06 3.21 – 15.75 100m2 18.96 50g/m2 22.50 0.06 3.21 – 22.50 100m2 25.71 70g/m2 31.50 0.06 3.21 – 31.50 100m2 34.71 100g/m2 45.00 0.07 3.85 – 45.00 100m2 48.85 125g/m2 56.25 0.67 38.50 – 56.25 100m2 94.75
Extra over seeding by hand for slopes over
30° (allowing for the actual area but measured
in plan)
35 g/m2 2.34 – 0.03 – 2.34 100m2 2.37 50g/m2 3.38 – 0.03 – 3.38 100m2 3.41 70g/m2 4.72 – 0.03 – 4.72 100m2 4.75 100g/m2 6.75 – 0.03 – 6.75 100m2 6.78 125g/m2 8.41 – 0.03 – 8.41 100m2 8.44
Grass seed; PC £4.50/kg; spreading in two
operations; by machine
35g/m2 15.75 – – 0.51 15.75 100m2 16.26 50g/m2 22.50 – – 0.51 22.50 100m2 23.01 70g/m2 31.50 – – 0.51 31.50 100m2 32.01 100g/m2 45.00 – – 0.51 45.00 100m2 45.51 125 kg/ha 562.50 – – 50.95 562.50 ha 613.45 150 kg/ha 675.00 – – 50.95 675.00 ha 725.95 200 kg/ha 900.00 – – 50.95 900.00 ha 950.95 250 kg/ha 1125.00 – – 50.95 1125.00 ha 1175.95 300 kg/ha 1350.00 – – 50.95 1350.00 ha 1400.95 350 kg/ha 1575.00 – – 50.95 1575.00 ha 1625.95 400 kg/ha 1800.00 – – 50.95 1800.00 ha 1850.95 500 kg/ha 2250.00 – – 50.95 2250.00 ha 2300.95 700 kg/ha 3150.00 – – 50.95 3150.00 ha 3200.95 1400 kg/ha 6300.00 – – 50.95 6300.00 ha 6350.95
Extra over seeding by machine for slopes over
30° (allowing for the actual area but measured
in plan)
35 g/m2 2.36 – – 0.08 2.36 100m2 2.44 50g/m2 3.38 – – 0.08 3.38 100m2 3.46 70g/m2 4.72 – – 0.08 4.72 100m2 4.80 100g/m2 6.75 – – 0.08 6.75 100m2 6.83 125 kg/ha 84.38 – – 7.64 84.38 ha 92.02 150 kg/ha 101.25 – – 7.64 101.25 ha 108.89 200 kg/ha 135.00 – – 7.64 135.00 ha 142.64
PC
Excluding site overheads and profit £ hours £ £ £ rate £
EMBANKMENTS – cont
Extra for the following operations – cont Extra over seeding by machine for slopes over
30° (allowing for the actual area but measured
in plan) – cont 250 kg/ha 168.75 – – 7.64 168.75 ha 176.39 300 kg/ha 202.50 – – 7.64 202.50 ha 210.14 350 kg/ha 236.25 – – 7.64 236.25 ha 243.89 400 kg/ha 270.00 – – 7.64 270.00 ha 277.64 500 kg/ha 337.50 – – 7.64 337.50 ha 345.14 700 kg/ha 472.50 – – 7.64 472.50 ha 480.14 1400 kg/ha 945.00 – – 7.64 945.00 ha 952.64
REVETMENTS
Waterside revetments; Willowbank
Services Ltd; natural engineering
solutions; ecological sustainable waterside
stabilization systems
Live willow spiling; 1m high uprights at 0.50m
centres; woven geotextile backed; included
filling with site based topsoil behind spiling to
top of bank
less than 50m – – – – – m 161.83 50-100m – – – – – m 126.42
Brushwood faggot and pre-planted coir
revetments; 900mm high revetment; 300mm
diameter faggot; 300mm diameter pre-planted
coir roll; staked in position with 1.8m tanalized
posts; 2 posts per m; faggots and coir fixed to
posts with wire
less than 50m – – – – – m 145.02 50-100m – – – – – m 124.84
Brushwood faggot and pre-planted coir
revetments; 900mm high revetment; 2 nr
300mm diameter faggot staked in position
with 1.8m tanalized posts; 2 posts per m;
faggots and coir fixed to posts with wire
less than 50m – – – – – m 124.48 50-100m – – – – – m 94.64
