ABSTRACT
PVC coated gabions 2×1×0.5m 26.13 0.67 39.50 3.72 79.05 nr 122.27 2×1×1.0m 36.67 1.33 79.00 7.45 142.51 nr 228.96
Reno mattress gabions 6×2×0.17m 90.38 1.00 59.25 5.59 198.34 nr 263.18 6×2×0.23m 98.19 1.50 88.88 7.45 244.25 nr 340.58 6×2×0.30m 115.31 2.00 118.50 8.38 305.82 nr 432.70
REINFORCED EARTH
Embankments; Tensar International Embankments; reinforced with Tensar Geogrid RE520; geogrid laid horizontally within fill to 100% of vertical height of slope at 1.00m centres; filling with excavated material
slopes less than 45°; Tensartech Natural Green System 2.36 0.61 36.30 1.60 2.36 m3 40.26 slopes exceeding 45°; Tensartech Greenslope System 5.08 0.06 3.66 2.31 5.08 m3 11.05 extra over to slopes exceeding 45° for temporary shuttering; shuttering measured per m2 of vertical elevation – – – – 12.00 m2 12.00
Material Excluding site overheads and profit £ hours £ £ £ rate £
Embankments; reinforced with Tensar Geogrid RE540; geogrid laid horizontally within fill to 100% of vertical height of slope at 1.00m centres; filling with excavated material
slopes less than 45°; Tensartech Natural Green System 2.92 0.61 36.30 1.60 2.92 m3 40.82 slopes exceeding 45°; Tensartech Greenslope System 6.28 0.06 3.67 2.31 6.28 m3 12.26 extra over to slopes exceeding 45° for temporary shuttering; shuttering measured per m2 of vertical elevation – – – – 12.00 m2 12.00
Extra for Tensar Mat 400; erosion control mats; to faces of slopes of 45° or less; filling with 20mm fine topsoil; seeding 3.95 0.01 0.39 0.21 5.26 m2 5.86 Embankments; reinforced with Tensar Geogrid RE540; geogrid laid horizontally within fill to 50% of horizontal length of slopes at specified centres; filling with imported fill PC £11.50/m3
300mm centres; slopes up to 45°; Tensartech Natural Green System 4.85 0.08 4.61 1.80 18.65 m3 25.06 600mm centres; slopes up to 45°; Tensartech Natural Green System 2.42 0.06 3.67 2.31 16.22 m3 22.20 extra over to slopes exceeding 45° for temporary shuttering; shuttering measured per m2 of vertical elevation – – – – 12.00 m2 12.00
Extra for Tensar Mat 400; erosion control mats; to faces of slopes of 45° or less; filling with 20mm fine topsoil; seeding 3.95 0.01 0.39 0.21 5.26 m2 5.86 Embankments; reinforced with Tensar Geogrid RE540; geogrid laid horizontally within fill; filling with excavated material; wrapping around at faces
300mm centres; slopes exceeding 45°; Tensartech Natural Green System 9.72 0.06 3.66 1.60 9.72 m3 14.98 600mm centres; slopes exceeding 45°; Tensartech Greenslope System 4.85 0.06 3.66 1.60 4.85 m3 10.11 extra over to slopes exceeding 45° for temporary shuttering; shuttering measured per m2 of vertical elevation – – – – 12.00 m2 12.00
Extra over embankments for bagwork face supports for slopes exceeding 45° – 0.17 9.87 – 14.00 m2 23.87 Extra over embankments for seeding of bags – 0.03 1.97 – 0.32 m2 2.29 Extra over embankments for Bodkin joints – – – – 1.10 m 1.10
Material Excluding site overheads and profit £ hours £ £ £ rate £
REINFORCED EARTH – cont
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 1m
SO4 anchors to a depth of 1.001.50m at 1.00m centres 26.63 0.17 6.58 1.76 26.63 m2 34.97
Loadlocking and crimping tool; for stressing and crimping the anchors
hire rate per week 72.93 – – – 72.93 nr 72.93 Surface erosion; geotextile anchoring on slopes; aluminium alloy Stealth anchors
SO4/SO6 to a depth of 1.0-2.0m at 2.00m centres 9.10 1.00 39.50 1.76 9.10 m2 50.36
Brick block or in situ concrete distressed retaining walls; anchors installed in two rows at varying tensions between 18-50 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 6m; average cost base on 1.50m centres; long term solution 382.02 0.25 9.88 1.76 382.02 m2 393.66 SO8/BO6/BO8 cast SG iron Stealth and Bat anchors installed in combination with galvanized steel accessories to a depth of 6m; average cost base on 1.50m centres; short term solution 163.22 0.25 9.88 1.76 163.22 m2 174.86
Timber retaining wall support; anchors installed 19 kN along the length of the retaining wall
SO6/SO8 bronze Stealth anchors including load plate and wege grip; installed in combination with stainless steel accessories to a depth of 3.0m; 1.00m centres; average cost 184.80 – – – – m2 –
Gabions; anchors for support and stability to moving, overturning or rotating gabion retaining walls
SO8/BO6 anchors including base plate at 1.00m centres to a depth of 4.00m 289.41 0.17 9.88 1.76 289.41 m2 301.05
Material Excluding site overheads and profit £ hours £ £ £ rate £
Soil nailing of geofabrics; anchors fixed through surface of fabric or erosion control surface treatment (not included)
SO8/BO6 anchors including base plate at 1.50m centres to a depth of 3.00m 115.76 0.08 4.94 1.18 115.76 m2 121.88
Green faced reinforced soil; Phi Group Textomur reinforced soil system embankments; to reinforced soil slopes 55-70° to the horizontal; including facing and geogrid; excluding backfill material
retaining walls up to 3.0m – – – – – m2 120.00 retaining walls up to 6.0m – – – – – m2 125.00
Split face concrete blocks reinforced soil; Phi Group Modular blocks reinforced soil system embankments; to reinforced soil slopes near vertical; including geogrid; excluding backfill material
retaining walls up to 3.0m – – – – – m2 190.00 retaining walls up to 6.0m – – – – – m2 220.00
