ABSTRACT

Crib walls; Keller Ground Engineering "Timbercrib" timber crib walling system; machine filled with crushed rock inclusive of reinforced concrete footing cribfill stone, rear wall land drain and rear wall drainage/ separation membrane; excluding excavation ref 600/36; for retaining walls up to 1.50 m high - - - - - m2 160.00 ref 750/36; for retaining walls up to 2.40 m high - - - - - m2 170.00 ref 900/36; for retaining walls up to 2.90 m high - - - - - m2 185.00 ref 1050/46; for retaining walls up to 3.50 m high - - - - - m2 195.00 ref 1200/46; for retaining walls up to 4.20 m high - - - - - m2 205.00 ref 1350/46; for retaining walls up to 4.80 m high - - - - - m2 215.00 ref 1500/60; for retaining walls up to 5.30 m high - - - - - m2 230.00 ref 11650/60; for retaining walls up to 6.00 m high - - - - - m2 250.00

Retaining walls; Keller Ground Engineering "Textomur" reinforced soil system embankments reinforced soil slopes at angles of 60 - 70° to the horizontal; as an alternative to reinforced concrete or gabion solutions; finishing with excavated material/grass or shrubs - - - - - m2 110.00

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

D11 SOIL STABILIZATION - cont'd

Retaining walls; RCC; Tarmac Precast Concrete Retaining walls of units with plain concrete finish; prices based on 24 tonne loads but other quantities available (excavation, temporary shoring, foundations and backfilling not included) 1000 mm wide x 1000 mm high 86.00 1.50 27.38 6.53 118.75 m 152.66 1000 mm wide x 1250 mm high 128.00 1.27 23.18 6.53 168.25 m 197.97 1000 mm wide x 1750 mm high 146.00 1.27 23.18 6.53 201.87 m 231.59 1000 mm wide x 2400 mm high 216.00 1.27 23.18 6.53 292.98 m 322.70 1000 mm wide x 2690 mm high 268.00 1.27 23.18 43.31 355.04 m 421.53 1000 mm wide x 3000 mm high 277.00 1.47 26.83 54.14 375.17 m 456.14 1000 mm wide x 3750 mm high 396.00 1.57 28.74 64.97 522.04 m 615.76

Retaining walls; Maccaferri Ltd Wire mesh gabions; galvanized mesh 80 x 100 mm; filling with broken stones 125 - 200 mm size; wire down securely to manufacturer's instructions; filling front face by hand 2 x 1 x 0.50 m 21.05 2.00 36.50 4.35 88.25 nr 129.10 2 x 1 x 1.0 m 29.49 4.00 73.00 8.71 163.89 nr 245.60

PVC coated gabions 2 x 1 x 0.5m 27.24 2.00 36.50 4.35 94.44 nr 135.29 2 x 1 x 1.0 m 38.34 4.00 73.00 8.71 172.74 nr 254.45

"Reno" mattress gabions 6 x 2 x 0.17 m 80.06 3.00 54.75 6.53 217.15 nr 278.43 6 x 2 x 0.23 m 86.66 4.50 82.13 8.71 272.13 nr 362.97 6 x 2 x 0.30 m 101.86 6.00 109.50 9.80 343.78 nr 463.08

Retaining walls; Tensar International "Tensartech TW1" retaining wall system; modular dry laid concrete blocks; 220 x 400 mm long x 150 mm high connected to "Tensar RE" geogrid with proprietary connectors; geogrid laid horizontally within the fill at 300 mm centres; on 150 x 450 mm concrete foundation; filling with imported granular material 1.00 m high 75.00 3.00 54.75 8.25 83.47 m2 146.47 2.00 m high 75.00 4.00 73.00 8.25 83.47 m2 164.72 3.00 m high 75.00 4.50 82.13 8.25 83.47 m2 173.84

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

Retaining walls; Grass Concrete Ltd "Betoflor" precast concrete landscape retaining walls including soil filling to pockets (excavation, concrete foundations, backfilling stones to rear of walls and planting not included) "Betoflor" interlocking units; 250 mm long x 250 mm x 200 mm modular deep; in walls 250 mm wide - - - - - m2 81.54 extra over "Betoflor" interlocking units for colours - - - - - m2 6.68 "Betoatlas" earth retaining walls; 250 mm long x 500 mm wide x 200 mm modular deep; in walls 500 mm wide - - - - - m2 113.63 extra over "Betoatlas" interlocking units for colours - - - - - m2 13.86

ABG Ltd; "Webwall"; honeycomb structured HDPE polymer strips with interlocking joints; laid to prepared terraces and backfilled with excavated material to form raked wall for planting 500 mm high units laid and backfilled horizontally within the face of the slope to produce stepped gradient; measured as bank face area; wall height up to 1.00 m high - - - - - m2 80.00 up to 2.00 m high - - - - - m2 100.00 over 2.00 m high - - - - - m2 110.00

250 mm high units laid and backfilled horizontally within the face of the slope to produce stepped gradient; measured as bank face area; wall height up to 1.00 m high - - - - - m2 90.00 up to 2.00 m high - - - - - m2 110.00 over 2.00 m high - - - - - m2 120.00

Setting out; grading and levelling; compacting bottoms of excavations - 0.13 2.43 0.43 - m 2.86 Extra over "Betoflor" retaining walls for C7P concrete foundations 700 x 300 mm deep 17.79 0.27 4.87 - 17.79 m 22.66

Retaining walls; Forticrete Ltd "Keystone" pc concrete block retaining wall; geogrid included for walls over 1.00 m high; excavation, concrete foundation, stone backfill to rear of wall all measured separately 1.0 m high 86.00 2.40 43.80 - 88.15 m2 131.95 2.0 m high 86.00 2.40 43.80 7.95 99.95 m2 151.70 3.0 m high 86.00 2.40 43.80 10.60 108.15 m2 162.55 4.0 m high 86.00 2.40 43.80 12.72 114.50 m2 171.02

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

D11 SOIL STABILIZATION - cont'd

Retaining walls; Forticrete Ltd Stepoc Blocks; interlocking blocks; 10 mm reinforcing laid loose horizontally to preformed notches and vertical reinforcing nominal size 10 mm fixed to starter bars; infilling with concrete; foundations and starter bars measured separately type 325; 400 x 225 x 325 mm 47.08 1.40 25.55 - 66.47 m2 92.02 type 256; 400 x 225 x 256 mm 42.49 1.20 21.90 - 62.27 m2 84.17 type 190; 400 x 225 x 190 mm 32.58 1.00 18.25 - 48.41 m2 66.66

Embankments; Tensar International Embankments; reinforced with "Tensar Uniaxial Geogrid"; ref 40 RE; 40 kN/m width; geogrid laid horizontally within fill to 100% of vertical height of slope at 1.00 m centres; filling with excavated material slopes less than 45°; "Tensartech Natural Green System" 2.00 0.19 3.39 1.74 2.10 m3 7.22 slopes exceeding 45°; "Tensartech Greenslope System" 4.30 0.19 3.39 2.57 4.51 m3 10.47 extra over to slopes exceeding 45° for temporary shuttering; shuttering measured per m2 of vertical elevation - - - - 10.00 m2 -

Embankments; reinforced with "Tensar Uniaxial Geogrid"; ref 55 RE; 55 kN/m width; geogrid laid horizontally within fill to 100% of vertical height of slope at 1.00 m centres; filling with excavated material slopes less than 45°; "Tensartech Natural Green System" 2.50 0.19 3.39 1.74 2.63 m3 7.75 slopes exceeding 45°; "Tensartech Greenslope System" 5.38 0.19 3.39 2.57 5.64 m3 11.60 extra over to slopes exceeding 45° for temporary shuttering; shuttering measured per m2 of vertical elevation - - - - 10.00 m2 -

Extra for "Tensar Mat"; erosion control mats; to faces of slopes of 45° or less; filling with 20 mm fine topsoil; seeding 3.50 0.02 0.36 0.17 4.81 m2 5.34 Embankments; reinforced with "Tensar Uniaxial Geogrid" ref 55 RE; 55 kN/m width; geogrid laid horizontally within fill to 50% of horizontal length of slopes at specified centres; filling with imported fill PC £8.00/m3

300 mm centres; slopes up to 45°; "Tensartech Natural Green System" 4.15 0.23 4.26 1.98 13.96 m3 20.20 600 mm centres; slopes up to 45°; "Tensartech Natural Green System" 2.08 0.19 3.39 2.57 11.78 m3 17.73 extra over to slopes exceeding 45° for temporary shuttering; shuttering measured per m2 of vertical elevation - - - - 10.00 m2 -

Extra for "Tensar Mat"; erosion control mats; to faces of slopes of 45° or less; filling with 20 mm fine topsoil; seeding 3.50 0.02 0.36 0.17 4.81 m2 5.34

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

Embankments; reinforced with "Tensar Uniaxial Geogrid" ref 55 RE; 55 kN/m width; geogrid laid horizontally within fill; filling with excavated material; wrapping around at faces 300 mm centres; slopes exceeding 45°; "Tensartech Natural Green System" 8.32 0.19 3.39 1.74 8.74 m3 13.87 600 mm centres; slopes exceeding 45°; "Tensartech Greenslope System" 4.15 0.19 3.39 1.74 4.36 m3 9.48 extra over to slopes exceeding 45° for temporary shuttering; shuttering measured per m2 of vertical elevation - - - - 10.00 m2 -

Extra over embankments for bagwork face supports for slopes exceeding 45° - 0.50 9.13 - 13.00 m2 22.13 Extra over embankments for seeding of bags - 0.10 1.82 - 0.27 m2 2.09 Extra over embankments for "Bodkin" joints - - - - 1.00 m -

Anchoring systems; surface stabilization; Platipus Anchors Ltd; centres and depths shown should be verified with a design engineer; they may vary either way dependent on circumstances Concrete revetments; hard anodized stealth anchors with stainless steel accessories installed to a depth of 1 m "SO4" anchors to a depth of 1.00 - 1.50 m at 1.00 m centres 25.36 0.33 6.08 1.53 25.36 m2 32.97

Loadlocking and crimping tool; for stressing and crimping the anchors purchase price 385.88 - - - 385.88 nr - hire rate per week 66.15 - - - 66.15 nr -

Surface erosion; geotextile anchoring on slopes; aluminium alloy Stealth anchors "SO4", "SO6" to a depth of 1.0 - 2.0 m at 2.00 m centres 12.12 0.20 3.65 1.53 12.12 m2 17.30

Brick block or in situ concrete distressed retaining walls; anchors installed in two rows at varying tensions between 18 kN - 50 kN along the length of the retaining wall; core drilling of wall not included "SO8", "BO6", "BO8" bronze Stealth and Bat anchors installed in combination with stainless steel accessories to a depth of 6 m; average cost base on 1.50 m centres; long term solution 363.83 0.50 9.13 1.53 363.83 m2 374.48 "SO8", "BO6", "BO8" cast SG iron Stealth and Bat anchors installed in combination with galvanized steel accessories to a depth of 6 m; average cost base on 1.50 m centres; short term solution 155.45 0.50 9.13 1.53 155.45 m2 166.11

Timber retaining wall support; anchors installed 19 kN along the length of the retaining wall "SO6", "SO8", bronze Stealth anchors installed in combination with stainless steel accessories to a depth of 3.0 m; 1.50 centres; average cost 54.58 0.50 9.13 1.22 54.58 m2 64.93

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

D11 SOIL STABILIZATION - cont'd

Anchoring systems - cont'd Gabions; anchors for support and stability to moving, overturning or rotating gabion retaining walls "SO8", "BO6" anchors including base plate at 1.00 m centres to a depth of 4.00 m 275.63 0.33 6.08 1.53 275.63 m2 283.24

Soil nailing of geofabrics; anchors fixed through surface of fabric or erosion control surface treatment (not included) "SO8", "BO6" anchors including base plate at 1.50 m centres to a depth of 3.00 m 110.25 0.17 3.04 1.02 110.25 m2 114.31

Embankments; Grass Concrete Ltd "Grasscrete"; in situ reinforced concrete surfacing; to 20 mm thick sand blinding layer (not included); including soiling and seeding ref GC1; 100 mm thick - - - - - m2 31.33 ref GC2; 150 mm thick - - - - - m2 38.75

"Grassblock 103"; solid matrix precast concrete blocks; to 20 mm thick sand blinding layer; excluding edge restraint; including soiling and seeding 406 x 406 x 103 mm; fully interlocking - - - - - m2 31.95

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 640 x 330 x 38 mm 13.50 0.13 2.28 - 16.53 m2 18.81

Embankments; Cooper Clarke Civils and Lintels "Ecoblock" polyethylene; 925 x 310 x 50 mm; heavy duty for car parking and fire paths to firm subsoil (not included) 19.04 0.04 0.73 - 20.14 m2 20.87 to 100 mm granular fill and "Geotextile" 19.04 0.08 1.46 0.13 24.42 m2 26.01 to 250 mm granular fill and "Geotextile" 19.04 0.20 3.65 0.21 29.77 m2 33.64

Extra for filling "Ecoblock" with topsoil; seeding with rye grass at 50 g/m2 1.32 0.02 0.37 0.17 1.58 m2 2.12 "Neoweb" polyethylene soil-stabilizing panels; to soil surfaces brought to grade (not included); filling with excavated material panels; 2.5 x 8.0 m x 100 mm deep 7.70 0.10 1.82 2.47 7.86 m2 12.15 panels; 2.5 x 8.0 m x 200 mm deep 15.39 0.13 2.43 2.95 15.70 m2 21.08

"Neoweb" polyethylene soil-stabilizing panels; to soil surfaces brought to grade (not included); filling with ballast panels; 2.5 x 8.0 m x 100 mm deep 7.70 0.11 2.03 2.47 9.76 m2 14.26 panels; 2.5 x 8.0 m x 200 mm deep 15.39 0.15 2.81 2.95 19.51 m2 25.26

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

"Neoweb" polyethylene soil-stabilizing panels; to soil surfaces brought to grade (not included); filling with ST2 10 N/mm2

concrete panels; 2.5 x 8.0 m x 100 mm deep 7.70 0.16 2.92 - 16.27 m2 19.19 panels; 2.5 x 8.0 m x 200 mm deep 15.39 0.20 3.65 - 32.53 m2 36.18

Extra over for filling "Neoweb" with imported topsoil; seeding with rye grass at 50 g/m2 2.76 0.07 1.22 0.29 3.29 m2 4.79

Timber log retaining walls; AVS Fencing Supplies Ltd; all timber posts are "kiln dried redwood" with 15 year guarantee; posts which have been cut would not be subject to the supplier's guarantee Machine rounded softwood logs to trenches priced separately; disposal of excavated material priced separately; inclusive of 75 mm hardcore blinding to trench and backfilling trench with site mixed concrete 1:3:6; geofabric pinned to rear of logs; heights of logs above ground 500 mm (constructed from 1.80 m lengths) 28.05 1.50 27.38 - 37.06 m 64.43 1.20 m (constructed from 1.80 m lengths) 56.10 1.30 23.73 - 75.12 m 98.84 1.60 m (constructed from 2.40 m lengths) 74.90 2.50 45.63 - 99.25 m 144.88 2.00 m (constructed from 3.00 m lengths) 93.60 3.50 63.88 - 123.29 m 187.17

As above but with 150 mm machine rounded timbers 500 mm 38.44 2.50 45.63 - 47.45 m 93.07 1.20 m 128.01 1.75 31.94 - 147.02 m 178.96 1.60 m 128.13 3.00 54.75 - 152.49 m 207.24

As above but with 200 mm machine rounded timbers 1.80 m (constructed from 2.40 m lengths) 170.80 4.00 73.00 - 200.49 m 273.49

Railway sleeper walls; AVS Fencing Supplies Ltd; retaining wall from railway sleepers; fixed with steel galvanized pins 12 mm driven into the ground; sleepers laid flat Grade 1 softwood; 2590 x 250 x 125 mm 150 mm; 1 sleeper high 6.81 0.50 9.13 - 7.17 m 16.29 300 mm; 2 sleepers high 13.62 1.00 18.25 - 14.34 m 32.59 450 mm; 3 sleepers high 20.27 1.50 27.38 - 21.21 m 48.59 600 mm; 4 sleepers high 27.30 2.00 36.50 - 28.25 m 64.75

Grade 1 softwood as above but with 2 nr galvanized angle iron stakes set into concrete internally and screwed to the inside face of the sleepers 750 mm; 5 sleepers high 33.77 2.50 45.63 - 59.08 m2 104.71 900 mm; 6 sleepers high 40.42 2.75 50.19 - 68.45 m2 118.64

Grade 1 hardwood; 2590 x 250 x 150 mm 150 mm; 1 sleeper high 7.00 0.50 9.13 - 7.36 m 16.49 300 mm; 2 sleepers high 14.01 1.00 18.25 - 14.73 m 32.98 450 mm; 3 sleepers high 20.84 1.50 27.38 - 21.79 m 49.16 600 mm; 4 sleepers high 28.08 2.00 36.50 - 29.02 m 65.53

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

D11 SOIL STABILIZATION - cont'd

Railway sleeper walls - cont'd Grade 1 hardwood as above but with 2 nr galvanized angle iron stakes set into concrete internally and screwed to the inside face of the sleepers 750 mm; 5 sleepers high 34.74 2.50 45.63 - 60.05 m2 105.67 900 mm; 6 sleepers high 41.58 2.75 50.19 - 69.60 m2 119.79

New pine softwood; 2400 x 250 x 125 mm 120 mm; 1 sleeper high 7.40 0.50 9.13 - 7.76 m 16.88 240 mm; 2 sleepers high 14.80 1.00 18.25 - 15.52 m 33.77 360 mm; 3 sleepers high 22.20 1.50 27.38 - 23.14 m 50.52 480 mm; 4 sleepers high 29.60 2.00 36.50 - 30.55 m 67.05

New pine softwood as above but with 2 nr galvanized angle iron stakes set into concrete internally and screwed to the inside face of the sleepers 600 mm; 5 sleepers high 37.00 2.50 45.63 - 62.31 m2 107.93 720 mm; 6 sleepers high 44.40 2.75 50.19 - 72.42 m2 122.61

New oak hardwood 2600 x 220 x 130 mm 130 mm; 1 sleeper high 9.80 0.50 9.13 - 10.16 m 19.29 260 mm; 2 sleepers high 19.60 1.00 18.25 - 20.32 m 38.57 390 mm; 3 sleepers high 29.40 1.50 27.38 - 30.34 m 57.72 520 mm; 4 sleepers high 39.20 2.00 36.50 - 40.15 m 76.65

New oak hardwood as above but with 2 nr galvanized angle iron stakes set into concrete internally and screwed to the inside face of the sleepers 640 mm; 5 sleepers high 49.00 2.50 45.63 - 74.31 m2 119.93 760 mm; 6 sleepers high 58.80 2.75 50.19 - 86.82 m2 137.01

Excavate foundation trench; set railway sleepers vertically on end in concrete 1:3:6 continuous foundation to 33.3% of their length to form retaining wall Grade 1 hardwood; finished height above ground level 300 mm 12.42 3.00 54.75 1.80 22.96 m 79.50 500 mm 18.00 3.00 54.75 1.80 31.33 m 87.87 600 mm 25.02 3.00 54.75 1.80 45.87 m 102.41 750 mm 27.00 3.50 63.88 1.80 48.84 m 114.51 1.00 m 36.90 3.75 68.44 1.80 55.27 m 125.50

Excavate and place vertical steel universal beams 165 wide in concrete base at 2.590 centres; fix railway sleepers set horizontally between beams to form horizontal fence or retaining wall Grade 1 hardwood; bay length 2.590 m 500 mm high; 2 sleepers 15.18 2.50 45.63 - 54.10 bay 99.72 750 mm high; 3 sleepers 22.31 2.60 47.45 - 80.36 bay 127.81 1.00 m high; 4 sleepers 29.90 3.00 54.75 - 104.09 bay 158.84 1.25 m high; 5 sleepers 38.18 3.50 63.88 - 133.85 bay 197.73 1.50 m high; 6 sleepers 44.85 3.00 54.75 - 159.33 bay 214.08 1.75 m high; 7 sleepers 52.21 3.00 54.75 - 166.69 bay 221.44

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

Willow walling to riverbanks; LDC Ltd Woven willow walling as retention to riverbanks; driving or concreting posts in at 2 m centres; intermediate posts at 500 mm centres 1.20 m high - - - - - m 114.86 1.50 m high - - - - - m 146.44

Flexible sheet materials; Tensar International "Tensar Mat"; erosion mats; 3 - 4.50 m wide; securing with "Tensar" pegs; lap rolls 100 mm; anchors at top and bottom of slopes; in trenches 3.65 0.02 0.30 - 4.01 m2 4.31 Topsoil filling to "Tensar Mat"; including brushing and raking 0.65 0.02 0.30 0.10 0.81 m2 1.22 "Tensar Bi-axial Geogrid"; to graded compacted base; filling with 200 mm granular fill; compacting (turf or paving to surfaces not included); 400 mm laps ref SS20; 39 x 39 mm mesh 1.40 0.01 0.24 0.13 5.24 m2 5.62 ref SS30; 39 x 39 mm mesh 1.40 0.01 0.24 0.13 5.24 m2 5.62

Flexible sheet materials; Terram Ltd "Terram" synthetic fibre filter fabric; to graded base (not included) "Terram 1000"; 0.70 mm thick; mean water flow 50 l/m2/s 0.42 0.02 0.30 - 0.42 m2 0.73 "Terram 2000"; 1.00 mm thick; mean water flow 33 l/m2/s 0.91 0.02 0.30 - 1.09 m2 1.40 "Terram Minipack" 0.55 - 0.06 - 0.55 m2 0.61

Flexible sheet materials; Greenfix Ltd "Greenfix"; erosion control mats; 10 -15 mm thick; fixing with 4 nr crimped pins in accordance with manufacturer's instructions; to graded surface (not included) unseeded "Eromat 1"; 2.40 m wide 89.11 2.00 36.50 - 158.02 100 m2 194.52 unseeded "Eromat 2"; 2.40 m wide 113.86 2.00 36.50 - 185.25 100 m2 221.75 unseeded "Eromat 3"; 2.40 m wide 128.71 2.00 36.50 - 201.58 100 m2 238.08 seeded "Covamat 1"; 2.40 m wide 150.00 2.00 36.50 - 217.50 100 m2 254.00 seeded "Covamat 2"; 2.40 m wide 170.00 2.00 36.50 - 238.50 100 m2 275.00 seeded "Covamat 3"; 2.40 m wide 190.00 2.00 36.50 - 259.50 100 m2 296.00

"Bioroll" 300 mm diameter to river banks and revetments 19.00 0.13 2.28 - 20.76 m 23.05 Extra over "Greenfix" erosion control mats for fertilizer applied at 70 g/m2 7.91 0.20 3.65 - 7.91 100 m2 11.56 Extra over "Greenfix" erosion control mats for Geojute; fixing with steel pins 1.42 0.02 0.41 - 1.54 m2 1.95 Extra over "Greenfix" erosion control mats for laying to slopes exceeding 30° - - - - - 25% -

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

D11 SOIL STABILIZATION - cont'd

Extra for the following operations Spreading 25 mm approved topsoil by machine 0.65 0.01 0.11 0.10 0.78 m2 1.00 by hand 0.65 0.04 0.64 - 0.78 m2 1.42

Grass seed; PC £4.50/kg; spreading in two operations; by hand 35 g/m2 15.75 0.17 3.04 - 15.75 100 m2 18.79 50 g/m2 22.50 0.17 3.04 - 22.50 100 m2 25.54 70 g/m2 31.50 0.17 3.04 - 31.50 100 m2 34.54 100 g/m2 45.00 0.20 3.65 - 45.00 100 m2 48.65 125 g/m2 56.25 0.20 3.65 - 56.25 100 m2 59.90

Extra over seeding by hand for slopes over 30° (allowing for the actual area but measured in plan) 35 g/m2 2.34 - 0.07 - 2.34 100 m2 2.41 50 g/m2 3.38 - 0.07 - 3.38 100 m2 3.44 70 g/m2 4.72 - 0.07 - 4.72 100 m2 4.79 100 g/m2 6.75 - 0.08 - 6.75 100 m2 6.83 125 g/m2 8.41 - 0.08 - 8.41 100 m2 8.49

Grass seed; PC £4.50/kg; spreading in two operations; by machine 35 g/m2 15.75 - - 0.51 15.75 100 m2 16.26 50 g/m2 22.50 - - 0.51 22.50 100 m2 23.01 70 g/m2 31.50 - - 0.51 31.50 100 m2 32.01 100 g/m2 45.00 - - 0.51 45.00 100 m2 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 15.75 - - 0.08 2.36 100 m2 2.44 50 g/m2 22.50 - - 0.08 3.38 100 m2 3.45 70 g/m2 31.50 - - 0.08 4.72 100 m2 4.80 100 g/m2 45.00 - - 0.08 6.75 100 m2 6.83 125 kg/ha 562.50 - - 7.64 84.38 ha 92.02 150 kg/ha 675.00 - - 7.64 101.25 ha 108.89 200 kg/ha 900.00 - - 7.64 135.00 ha 142.64 250 kg/ha 1125.00 - - 7.64 168.75 ha 176.39 300 kg/ha 1350.00 - - 7.64 202.50 ha 210.14 350 kg/ha 1575.00 - - 7.64 236.25 ha 243.89 400 kg/ha 1800.00 - - 7.64 270.00 ha 277.64 500 kg/ha 2250.00 - - 7.64 337.50 ha 345.14 700 kg/ha 3150.00 - - 7.64 472.50 ha 480.14 1400 kg/ha 6300.00 - - 7.64 945.00 ha 952.64

PC Labour Labour Plant Material Excluding site overheads and profit £ hours £ £ £ rate £

D20 EXCAVATING AND FILLING

MACHINE SELECTION TABLE

Road Equipment Ltd; machine volumes for excavating/filling only and placing excavated material alongside or to a dumper; no bulkages are allowed for in the material volumes; these rates should be increased by user-preferred percentages to suit prevailing site conditions; the figures in the next section for "Excavation mechanical" and filling allow for the use of banksmen within the rates shown below 1.5 tonne excavators: digging volume 1 cycle/minute; 0.04 m3 - 0.42 7.60 2.42 - m3 10.03 2 cycles/minute; 0.08 m3 - 0.21 3.80 1.54 - m3 5.34 3 cycles/minute; 0.12 m3 - 0.14 2.53 1.26 - m3 3.79

3 tonne excavators; digging volume 1 cycle/minute; 0.13 m3 - 0.13 2.34 1.39 - m3 3.73 2 cycles/minute; 0.26 m3 - 0.06 1.17 2.21 - m3 3.38 3 cycles/minute; 0.39 m3 - 0.04 0.78 0.96 - m3 1.74

5 tonne excavators; digging volume 1 cycle/minute; 0.28 m3 - 0.06 1.09 1.94 - m3 3.02 2 cycles/minute; 0.56 m3 - 0.03 0.54 1.63 - m3 2.17 3 cycles/minute; 0.84 m3 - 0.02 0.36 1.70 - m3 2.06

7 tonne excavators; supplied with operator; digging volume 1 cycle/minute; 0.28 m3 - 0.06 1.09 2.99 - m3 4.07 2 cycles/minute; 0.56 m3 - 0.03 0.54 1.46 - m3 2.01 3 cycles/minute; 0.84 m3 - 0.02 0.36 1.70 - m3 2.06

21 tonne excavators; supplied with operator; digging volume 1 cycle/minute; 1.21 m3 - - - 0.68 - m3 0.68 2 cycles/minute; 2.42 m3 - - - 0.28 - m3 0.28 3 cycles/minute; 3.63 m3 - - - 0.19 - m3 0.19

Backhoe loader; excavating; JCB 3 CX rear bucket capacity 0.28 m3

1 cycle/minute; 0.28 m3 - - - 1.78 - m3 1.78 2 cycles/minute; 0.56 m3 - - - 0.89 - m3 0.89 3 cycles/minute; 0.84 m3 - - - 0.59 - m3 0.59

Backhoe loader; loading from stockpile; JCB 3 CX front bucket capacity 1.00 m3

1 cycle/minute; 1.00 m3 - - - 0.50 - m3 0.50 2 cycles/minute; 2.00 m3 - - - 0.25 - m3 0.25 Note: All volumes below are based on excavated "earth" moist at 1,997 kg/m3

solid or 1,598 kg/m3 loose; a 25% bulkage factor has been used; the weight capacities below exceed the volume capacities of the machine in most cases; see the memorandum section at the back of this book for further weights of materials.