ABSTRACT

S120G base unit to pier; 699× 699×172mm 178.80 0.25 14.81 – 183.48 nr 198.29 S120F/F shaft base unit; 533× 533×280mm 141.60 0.33 19.73 – 146.47 nr 166.20 S120E/E main shaft unit; 533× 533×280mm; nr of units required dependent on height of pier 141.60 0.33 19.73 – 146.47 nr 166.20 S120D/D top shaft unit; 33 × 533×280mm 141.60 0.33 19.73 – 146.47 nr 166.20 S120C pier cap unit; 737× 737×114mm 168.00 0.17 9.84 – 172.87 nr 182.71 S120B pier block unit; base for finial; 533× 533×64mm 72.00 0.11 6.52 – 72.20 nr 78.72

Pier blocks; flat to receive gate finial S100B; 440×440×63mm 46.80 0.11 6.52 – 47.26 nr 53.78 S120B; 546×546×64mm 72.00 0.11 6.52 – 72.46 nr 78.98 S150B; 330×330×51mm 25.20 0.11 6.52 – 25.66 nr 32.18

Pier caps; part weathered S100C; 915×915×150mm 399.60 0.25 14.81 – 400.52 nr 415.33 S120C; 737×737×114mm 168.00 0.17 9.84 – 168.46 nr 178.30 S150C; 584×584×120mm 122.40 0.17 9.84 – 122.86 nr 132.70

Pier caps; weathered S230C; 1029×1029×175mm 524.40 0.17 9.84 – 524.86 nr 534.70 S215C; 687×687×175mm 230.40 0.17 9.84 – 230.86 nr 240.70 S210C; 584×584×175mm 144.00 0.17 9.84 – 144.46 nr 154.30

Pier strings S100S; 800×800×55mm 136.80 1.66 98.36 – 137.08 nr 235.44 S120S; 555×555×44mm 62.40 0.17 9.84 – 62.68 nr 72.52 S150S; 457×457×48mm 38.40 0.17 9.84 – 38.68 nr 48.52

Balls and bases E150A Ball 535mm and E150C collared base 381.00 0.17 9.84 – 381.28 nr 391.12 E120A Ball 330mm and E120C collared base 144.00 0.17 9.84 – 144.28 nr 154.12 E110A Ball 230mm and E110C collared base 101.00 0.17 9.84 – 101.28 nr 111.12 E100A Ball 170mm and E100B plain base 64.00 0.17 9.84 – 64.28 nr 74.12

Haddonstone Ltd; cast stone copings; ornamental masonry in Portland Bath or Terracotta finished cast stone

Material Excluding site overheads and profit £ hours £ £ £ rate £

RECONSTITUTED STONE WALLING – cont

Copings for walls; bedded, jointed and pointed in approved coloured cement-lime mortar 1:2:9

T100 weathered coping; 102mm high × 178mm wide × 914mm 41.86 0.11 6.58 – 42.25 m 48.83 T140 weathered coping; 102mm high × 337mm wide × 914mm 69.32 0.11 6.58 – 69.72 m 76.30 T200 weathered coping; 127mm high × 508mm wide × 750mm 104.64 0.11 6.58 – 105.03 m 111.61 T170 weathered coping; 108mm high × 483mm wide × 914mm 112.49 0.11 6.58 – 112.88 m 119.46 T340 raked coping; 75-100mm high × 290mm wide × 900mm 64.09 0.11 6.58 – 64.49 m 71.07 T310 raked coping; 76-89mm high × 381mm wide × 914mm 74.56 0.11 6.58 – 74.95 m 81.53

Bordeaux walling; Forticrete Ltd Dry stacked random sized units 150-400mm long × 150mm high cast stone wall mechanically interlocked with fibreglass pins; constructed to levelling pad of coarse compacted granular material back filled behind the elevation with 300mm wide granular drainage material; walls to 5.00m high (retaining walls over heights shown below require individual design)

gravity wall; near vertical; 250mm thick 88.10 0.33 19.73 – 88.10 m2 107.83 gravity wall; 9.5°; battered 88.10 0.67 39.46 – 88.10 m2 127.56 copings to Bordeaux wall; 70mm thick; random lengths 14.30 0.08 4.94 – 14.30 m 19.24

Retaining wall; as above but reinforced with Tensar Geogrid RE520 laid between every two courses horizontally into the face of the excavation (excavation not included) Near vertical; 250mm thick; 1.50m of geogrid length

up to 1.20m high; 2 layers of geogrid 88.10 0.50 29.63 – 94.85 m2 124.48 1.20-1.50m high; 3 layers of geogrid 88.10 0.67 39.46 – 98.22 m2 137.68 1.50-1.80m high; 4 layers of geogrid 88.10 0.75 44.44 – 101.60 m2 146.04

Battered; maximum 1:3 slope up to 1.20m high; 3 layers of geogrid 88.10 0.83 49.36 – 98.22 m2 147.58 1.20-1.50m high; 4 layers of geogrid 88.10 0.83 49.36 – 101.60 m2 150.96 1.50-1.80m high; 5 layers of geogrid 88.10 1.00 59.25 – 104.41 m2 163.66