TQ28SW330,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
"top soil, sub soil",1,Top soil,1.04,1.1
orange/brown CLAY,2,Clay,1.10,
brown CLAY,4,Clay,1.10,
grey CLAY,91,Clay,1.10,
"red, brown, green, grey CLAYS",2,Clay,1.10,
,,,,
TQ37SW677,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
"Made ground, sandy silty clay",6,Sandy clay,2.01,1.74
London clay,47.05,London clay,1.60,
Woolwich and reading beds,16.95,Woolwich and reading beds,2.10,
Thanet sand,9,Thanet sand,1.27,
Upper chalk,21,Chalk,1.88,
,,,,
TQ28SE2472,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil + grass,0.1,Top soil,1.04,1.39
Silty clay,0.8,Silty clay,3.76,
Silty clay,0.1,Silty clay,3.76,
Clay,5,Clay,1.10,
Clay,3.8,Clay,1.10,
Clay,16.2,Clay,1.10,
Clay,27,Clay,1.10,
Silty clay,3,Silty clay,3.76,
Clay,15.45,Clay,1.10,
Clay,9,Clay,1.10,
Fine sand,9.3,Sand,2.10,
Fine sand,6.25,Sand,2.10,
White chalk,4,Chalk,1.88,
,,,,
TQ27NE1482,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Fill,1.3,Made ground,1.25,1.72
Gravel,8.2,Gravel,1.80,
London clay,36.5,London clay,1.60,
Woolwich and Reading beds,13,Woolwich and Reading beds,2.10,
Thanet sand,12,Thanet sand,1.27,
Chalk,29,Chalk,1.88,
,,,,
TQ37SE685,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.5,Top soil,1.04,1.9
"yellow/brown SAND, soft",2.5,Sand,2.10,
grey & blue CLAY,20,Blue clay,1.84,
brown CLAY,1,Clay,1.10,
multicoloured CLAY,1,Clay,1.10,
green SAND & pebbles,7,Sand,2.10,
grey fine SAND,12,Sand,2.10,
CHALK with considerable quantity of flint,56,Chalk,1.88,
,,,,
TQ27SE528,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Grey dry silty clay,6,Silty clay,3.76,1.76
London clay,2.5,London clay,1.60,
Clay,15.5,Clay,1.10,
Clay,14,Clay,1.10,
Soft chalk and flints,2,Chalk,1.88,
Flinty chalk,6,Chalk,1.88,
Flinty chalk,54,Chalk,1.88,
,,,,
TQ28SE3106,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Hardcore/made ground,1.5,Made ground,1.25,1.54
London clay,88.5,London clay,1.60,
Various coloured clay,10,Clay,1.10,
,,,,
TQ28SE2134,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2,Made ground,1.25,1.77
London Clay,35,London Clay,1.60,
Woolwich and Reading beds,20,Woolwich and Reading beds,2.10,
Thanet Sand,7,Thanet Sand,1.27,
Chalk,36,Chalk,1.88,
,,,,
TQ48NW757,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
"Bricks, gravel",2.2,Brick,0.80,1.62
Sand and gravel,3.3,Sand,2.10,
Grey clay,5,Clay,1.10,
Grey clay,9.8,Clay,1.10,
Thanet sand,18.7,Thanet sand,1.27,
Very hard grey clay,2.2,Clay,1.10,
Chalk with flints,58.8,Chalk,1.88,
,,,,
TQ48SW1485,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Sand and gravel,5,Sand,2.10,1.8
Blue clay,19,Blue clay,1.84,
Mutli-coloured clays,15,Clay,1.10,
Green fine sand,15,Sand,2.10,
Chalk,46,Chalk,1.88,
,,,,
TQ28NE449,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.5,Made ground,1.25,1.6
London clay,99.5,London clay,1.60,
,,,,
TQ37NE1498,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Sticky brown clay,6.5,Clay,1.10,1.68
Sand and gravel,7,Sand,2.10,
Grey/blue clay,8.5,Clay,1.10,
Clay and gravel conglomerate,0.5,Clay,1.10,
Silica clay,2.5,Clay,1.10,
Gravel and clay,7,Gravel,1.80,
Thanet sand,13,Thanet sand,1.27,
Sandy clay,9,Sandy clay,2.01,
Soft chalk,6,Chalk,1.88,
Chalk with flints,40,Chalk,1.88,
,,,,
TQ28NE277,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London Clay,69,London Clay,1.60,1.67
W & RB,21,Woolwich and Reading beds,2.10,
Thanet Sand,10,Thanet Sand,1.27,
,,,,
TQ37SW780,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.3,Top soil,1.04,1.59
Brown clay,1.2,Clay,1.10,
Brown/grey clay,4,Clay,1.10,
Dark green/grey clay,1.5,Clay,1.10,
Grey clay,3,Clay,1.10,
Red brown clay,22,Clay,1.10,
Thanet sand,6,Thanet sand,1.27,
Chalk and flints,62,Chalk,1.88,
,,,,
TQ38NW310,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2,Made ground,1.25,1.66
Drift (ballast),2,Ballast,0.38,
London Clay,24,London Clay,1.60,
"WRB (W&Rd Beds, clays)",8,Woolwich and Reading beds,2.10,
Thanet beds,21,Thanet sand,1.27,
Upper chalk,43,Chalk,1.88,
,,,,
TQ38SE2198,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made up ground (Rubble),0.2,Made ground,1.25,1.81
Sand and gravels,3.8,Sand,2.10,
London clay,10,London clay,1.60,
Reading & woolwich (muticoloured clays),16,Woolwich and Reading beds,2.10,
Thanet sand,14,Thanet sand,1.27,
Upper Chalk,56,Chalk,1.88,
,,,,
TQ27SE598,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Drift or weathered clay,7,Clay,1.10,1.79
London clay,35,London clay,1.60,
Woolwich and Reading clays and sands,30,Woolwich and Reading beds,2.10,
Chalk,28,Chalk,1.88,
,,,,
TQ38NW467,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil / made-up ground,0.6,Made ground,1.25,1.52
grey clay,7.4,Clay,1.10,
brown clay,3,Clay,1.10,
grey clay,30,Clay,1.10,
Clays,8,Clay,1.10,
Sandy clay,16.5,Sandy clay,2.01,
Chalk and flints,34.5,Chalk,1.88,
,,,,
TQ27SE949,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.5,Made ground,1.25,1.62
Sands and gravels,5.25,Sand,2.10,
London clay,93.25,London clay,1.60,
,,,,
TQ27SE733,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete made ground,0.9,Concrete,1.70,1.69
Gravel,0.3,Gravel,1.80,
London clay,75.9,London clay,1.60,
Woolwich and Reading Beds,19.3,Woolwich and Reading Beds,2.10,
Thanet sand,3.6,Thanet sand,1.27,
,,,,
TQ27NW981,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Overburden,0.5,Made ground,1.25,1.62
Sands and gravels,9.5,Sand,2.10,
Mixed clays and slits,32,Clay,1.10,
Blue clay,33,Blue clay,1.84,
Thanet sand,3,Thanet sand,1.27,
Chalk,22,Chalk,1.88,
,,,,
TQ27NW546,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Drift (Soft loam),8.5,Loam,1.09,1.66
London clay,51.5,London clay,1.60,
W & RB (CLAYS),15.5,Woolwich and Reading Beds,2.10,
Thanet sand,6.5,Thanet sand,1.27,
Upper chalk,18,Chalk,1.88,
,,,,
TQ27SE599,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil and yellow sandy clay,1.2,Sandy clay,2.01,1.45
Loamy soil,0.8,Loam,1.09,
Flints and pebbles,1.5,Flints,3.50,
Clay and mudstone,8.5,Clay,1.10,
Clay,52,Clay,1.10,
Clay,11,Clay,1.10,
Sand and clay,8,Sand,2.10,
Silty clay,5,Silty clay,3.76,
Chalk and flints,12,Chalk,1.88,
,,,,
TQ29SE402,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Tarmac bricks,0.4,Brick,0.80,1.64
Timber,1.6,Timber,0.15,
Grey and brown clay,16,Clay,1.10,
Brown clay,18,Clay,1.10,
Grey blue clay mudstone,13,Mudstone,1.99,
Hard grey silty clay,7,Silty clay,3.76,
Red green grey clay,11.5,Clay,1.10,
Chalk & flints,32.5,Chalk,1.88,
,,,,
TQ28SE858,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.15,Concrete,1.70,1.78
Made ground,1.83,Made ground,1.25,
Thames mud,0.92,Mud,11.70,
London clay,56.54,London clay,1.60,
Woolwich and Reading Beds,15.54,Woolwich and Reading Beds,2.10,
Thanet sand,9.45,Thanet sand,1.27,
Chalk,15.57,Chalk,1.88,
,,,,
TQ28NE200,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,100,London clay,1.60,1.6
,,,,
TQ38NW311,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
"Made ground, clay with pebbles",5,Made ground,1.25,1.71
London clay,26.4,London clay,1.60,
Reading beds (clays),7.8,Woolwich and Reading beds,2.10,
Thanet beds (fine grained sand),13,Thanet sand,1.27,
Upper chalk,47.8,Chalk,1.88,
,,,,
TQ28NE446,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1,Made ground,1.25,1.6
London clay,99,London clay,1.60,
,,,,
TQ38SW4529,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground Rubble,1,Made ground,1.25,1.62
"Gravel, clay and sand",1,Gravel,1.80,
Brown clay,4,Clay,1.10,
London clay,34,Clay,1.10,
"Reading & Upnor Formation (mottled clay, some fine sand at base)",21,Woolwich and Reading beds,2.10,
Upper chalk,39,Chalk,1.88,
,,,,
TQ28SW748,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Stiff brown clay with occasional gravel,6.8,Clay,1.10,1.48
Grey clay,38.2,Clay,1.10,
Sand clay and clayey sand,30,Sandy clay,2.01,
Green grey clayey sand,11,Clay,1.10,
Chalk with flints,14,Chalk,1.88,
,,,,
TQ27NE1596,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1,Made ground,1.25,1.67
Gravels and slits,4,Gravel,1.80,
Clay,2,Clay,1.10,
London clay,62.5,London clay,1.60,
Woolwich and Reading beds,15,Woolwich and Reading beds,2.10,
Thanet sand,6.7,Thanet sand,1.27,
Bullhead bed,3.8,Chalk,1.88,
Upper chalk,5,Chalk,1.88,
,,,,
TQ27NE1483,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
"Made up ground, clay, bricks etc",2.8,Made ground,1.25,1.3
Stone/rock,0.8,Stone,1.70,
Sand and gravel with clays,0.9,Sand,2.10,
Dark grey clay,73.5,Clay,1.10,
Sandy clay,10,Sandy clay,2.01,
Chalk and flints,12,Chalk,1.88,
,,,,
TQ27NE2160,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Gravels,6.7,Gravel,1.80,1.71
London clay,51.5,London clay,1.60,
Reading and Woolwich beds,15,Woolwich and Reading beds,2.10,
Thanet sand,8,Thanet sand,1.27,
Upper chalk,18.8,Chalk,1.88,
,,,,
TQ37SW929,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.5,Made ground,1.25,1.86
Brown/grey clays,3,Clay,1.10,
Light brown mudstone,0.5,Mudstone,1.99,
Brown/grey clays,26,Clay,1.10,
Harder brown clay,1,Clay,1.10,
Dark brown clays,10,Clay,1.10,
Silty clay,15,Silty clay,3.76,
Green sandy clays,8,Sandy clay,2.01,
White chalk,36,Chalk,1.88,
,,,,
TQ28SE2380,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
River gravels/ballast,10,Ballast,0.38,1.54
London clay,58,London clay,1.60,
Woolwich and Reading beds,6,Woolwich and Reading beds,2.10,
Thanet sand,6.8,Thanet sand,1.27,
Putty chalk,0.4,Chalk,1.88,
Upper chalk,18.8,Chalk,1.88,
,,,,
TQ28SE2381,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Hardcore/stone,0.7,Stone,1.70,1.76
Made ground,1.3,Made ground,1.25,
Clay,0.8,Clay,1.10,
Sand/gravel,0.7,Sand,2.10,
London clay,56.5,London clay,1.60,
Labmeth beds,13.5,Sand,2.10,
Sand,11.65,Sand,2.10,
Chalk with flints,14.85,Chalk,1.88,
,,,,
TQ28SE2321,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2,Made ground,1.25,1.31
Brown clay,10,Clay,1.10,
Grey clay,43,Clay,1.10,
Soft grey clay,5,Clay,1.10,
Brown grey clay,16,Clay,1.10,
Stone and sand,2,Stone,1.70,
"Sand, stone, grey clay",11,Sand,2.10,
Chalk and flint,11,Chalk,1.88,
,,,,
TQ27NE1990,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Silts/sands,4,Silt,1.10,1.69
London clay,45.5,London clay,1.60,
Woolwich and Reading Beds,16.5,Woolwich and Reading Beds,2.10,
Thanet sand,10.5,Thanet sand,1.27,
Chalk,23.5,Chalk,1.88,
,,,,
SP07NE212,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Backfill,0.35,Made ground,1.25,2.08
Soft sand brown/red clay,1.75,Clay,1.10,
Red Marl,97.9,Marl,2.10,
,,,,
,,,,
SU77SW98,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.8,Top soil,1.04,1.86
Brown slity clay,2.3,Silty clay,3.76,
Soft grey silty clay,0.9,Silty clay,3.76,
Sandy gravel,5,Gravel,1.80,
Grey silty clay,4,Silty clay,3.76,
Very still grey clay,22.2,Clay,1.10,
Light grey sand,13.8,Sand,2.10,
Very soft chalk,11,Chalk,1.88,
Chalk,40,Chalk,1.88,
,,,,
TQ20SE231,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Sand and gravel,9,Sand,2.10,1.9
Chalk with flint,91,Chalk,1.88,
,,,,
TQ20SE62,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Turf,0.15,Turf,2.01,1.85
Top soil,0.3,Top soil,1.04,
Brown clay and stones,3.96,Clay,1.10,
Sandy clay,3.75,Sandy clay,2.01,
Chalk and flints,91.84,Chalk,1.88,
,,,,
TQ30NW125,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Ashes,0.75,Ashes,0.14,1.95
Concrete,0.54,Concrete,1.70,
Gravel and soil,0.39,Gravel,1.80,
Gravel,1,Gravel,1.80,
Sand and gravel,3,Sand,2.10,
Chalk and flints,4,Chalk,1.88,
Black flints,1.5,Flints,3.50,
Grey flints,2,Flints,3.50,
Flints,1.5,Flints,3.50,
Upper and middle chalk,85.33,Chalk,1.88,
,,,,
TQ30SW3,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Clay and gravel,1,Clay,1.10,1.87
Clay and gravel,1.3,Clay,1.10,
Sand and gravel,2.3,Sand,2.10,
Upper and Middle chalk,95.4,Chalk,1.88,
,,,,
TQ20SE232,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,1,Top soil,1.04,1.89
Sand,8,Sand,2.10,
Clay,1,Clay,1.10,
Fine running sand,2,Sand,2.10,
Chalk,88,Chalk,1.88,
,,,,
TQ37NW3323,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.2,Top soil,1.04,1.59
Clay,0.8,Clay,1.10,
Shells and chalk,0.6,Chalk,1.88,
Sandy clay,0.6,Sandy clay,2.01,
Sand and gravel,2,Sand,2.10,
Grey sand,0.6,Sand,2.10,
Grey sand,0.2,Sand,2.10,
Grey clay,14.35,Clay,1.10,
Grey mudstone,0.3,Mudstone,1.99,
Brown/grey green clay,14.35,Clay,1.10,
Brown/grey green clay,9.35,Clay,1.10,
Grey green sand,4.15,Sand,2.10,
Finty chalk,52.5,Chalk,1.88,
,,,,
TQ38SE5313,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.5,Top soil,1.04,1.76
Firm brown clay,2.5,Clay,1.10,
Sand & gravel,3,Sand,2.10,
Firm/stiff grey clay,3,Clay,1.10,
Multicoloured clay,5,Clay,1.10,
Grey clay with shells,2,Clay,1.10,
Multi-coloured clay with hard stone,1,Clay,1.10,
Grey silt,2,Silt,1.10,
Green sand,2,Sand,2.10,
Grey silt with shells,4,Silt,1.10,
Grey silty sand,12,Sand,2.10,
Grey/green sand with flints,0.5,Sand,2.10,
Firm white chalk with flints,62.5,Chalk,1.88,
,,,,
TQ27NE1564,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,7,Made ground,1.25,1.74
Sand and gravel,11,Sand,2.10,
London clay,38,London clay,1.60,
Woolwich and Reading beds,12,Woolwich and Reading beds,2.10,
Thanet sand,9,Thanet sand,1.27,
Sand,5,Sand,2.10,
Upper chalk,18,Chalk,1.88,
,,,,
TQ28SE2174,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
General building debris,4,Concrete,1.70,1.91
Sand and gravel,2,Sand,2.10,
London clay,32,London clay,1.60,
Reading and Woolwich beds,54.5,Woolwich and Reading beds,2.10,
Upper chalk,7.5,Chalk,1.88,
,,,,
TQ28SE1589,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Rubble,1,Rubble,0.96,1.73
Silty clay,3,Silty clay,3.76,
London clay,66,London clay,1.60,
Woolwich and Reading beds,15,Woolwich and Reading beds,2.10,
Thanet sand,8,Thanet sand,1.27,
Coarse black gravels,0.5,Gravel,1.80,
Chalk,6.5,Chalk,1.88,
,,,,
TQ38NW448,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Clay,2,Clay,1.10,2.11
Clay,3,Clay,1.10,
Clay,1,Clay,1.10,
Clay,21,Clay,1.10,
Clay,10.5,Clay,1.10,
Clay,0.5,Clay,1.10,
Silty clay,28,Silty clay,3.76,
Chalk and flints,34,Chalk,1.88,
,,,,
TQ47NE1035,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1,Made ground,1.25,1.86
Clay,2.5,Clay,1.10,
Peat,0.5,Peat,0.08,
Gravel,6,Gravel,1.80,
Sand,1,Sand,2.10,
Sand,1,Sand,2.10,
Sand,2,Sand,2.10,
Sand,5,Sand,2.10,
Chalk,4.5,Chalk,1.88,
Chalk,76.5,Chalk,1.88,
,,,,
TQ38NW574,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Gravel,2,Gravel,1.80,1.73
London clay,22,London clay,1.60,
Reading Beds (Multicoloured clays),16,Woolwich and Reading beds,2.10,
Thanet sand,20,Thanet sand,1.27,
Chalk,40,Chalk,1.88,
,,,,
TQ28SE1769,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Brick and rubble,0.3,Brick,0.80,1.16
Dark brown sandy soil,0.3,Sand,2.10,
CLAY,0.6,CLAY,1.10,
CLAY,4,CLAY,1.10,
CLAY,12.3,CLAY,1.10,
CLAY,67,CLAY,1.10,
SAND,2,SAND,2.10,
CLAY,9.55,CLAY,1.10,
SAND,3.95,SAND,2.10,
,,,,
TQ28SE46,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
CLAY,36,CLAY,1.10,1.21
CLAY SAND,52,CLAY,1.10,
SAND,8,SAND,2.10,
CHALK,4,CHALK,1.88,
,,,,
TQ48SE756,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Sand and gravel,13,Sand,2.10,3.4
Limestone with flints,87,Limestone,3.59,
,,,,
TQ38SW242,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Peat,1.83,Peat,0.08,1.72
Blue clay,14.94,Blue clay,1.84,
Claystone,0.91,Claystone,1.03,
Clay,13.72,Clay,1.10,
Mixed clay,1.22,Clay,1.10,
Mottled clay,3.35,Mottled clay,2.10,
Mixed clay,1.52,Clay,1.10,
Marl,0.91,Marl,2.10,
Mixed clay with shells,2.44,Clay,1.10,
Mottled clay,1.83,Mottled clay,2.10,
Pebbles,0.3,Pebbles,0.39,
Stone,0.38,Stone,1.70,
Mixed clay and pebbles,0.84,Clay,1.10,
Dead green sand with shells and pebbles,5.49,Sand,2.10,
Grey [Thanet] sand,8.84,Sand,2.10,
Chalk and flints,41.48,Chalk,1.88,
,,,,
TQ37NW107,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made up ground,0.91,Made ground,1.25,1.86
Loamy sand,0.91,Loamy sand,1.50,
Ballast,4.27,Ballast,0.38,
Sand,0.91,Sand,2.10,
Blue clay,17.37,Blue clay,1.84,
Sand,7.32,Sand,2.10,
Mottled clay,3.66,Mottled clay,2.10,
Conglomerate,1.83,Conglomerate,2.30,
Pebbles,0.3,Pebbles,0.39,
Clay and stones,0.91,Clay,1.10,
Green sands,11.73,Sand,2.10,
Green coated flints,0.76,Flints,3.50,
Chalk and flints,49.1,Chalk,1.88,
,,,,
TQ37NW2588,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Ballast,6.4,Ballast,0.38,1.8
Brown clay,1.22,Clay,1.10,
Blue clay,21.34,Blue clay,1.84,
Clay and stones,2.13,Clay,1.10,
Mottled clay,9.75,Mottled clay,2.10,
White stone,1.52,Stone,1.70,
Green sand and peblles,13.11,Sand,2.10,
Chalk and flint,44.53,Chalk,1.88,
,,,,
TQ28SW318A,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.46,Concrete,1.70,1.71
Brown elbottled Clay ,6.25,Clay,1.10,
Blue Clay,70.1,Blue Clay,1.84,
Red elbottled Clay,2.74,Clay,1.10,
Yellow elbottled Clay,6.1,Clay,1.10,
Brown CLay,2.44,Clay,1.10,
Clay & Pebbles,1.52,Clay,1.10,
Green Sand & Pebbles,3.05,Sand,2.10,
"Hard Grey, Sand",2.74,Sand,2.10,
Chalk,4.6,Chalk,1.88,
,,,,
TQ37NE1895,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.08,Concrete,1.70,1.85
Made up ground,0.15,Concrete,1.70,
Claystone,2.67,Claystone,1.03,
Peat,0.61,Peat,0.08,
Clay,0.46,Clay,1.10,
Sand,0.15,Sand,2.10,
Gravel,5.18,Gravel,1.80,
Grey loamy sand,0.61,Loamy sand,1.50,
Thanet sand,3.51,Sand,2.10,
Green flints,0.15,Flints,3.50,
Chalk,69.04,Chalk,1.88,
Chalk,17.4,Chalk,1.88,
,,,,
TQ28NW1,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.3,Top soil,1.04,1.81
Yellow clay,3.66,Clay,1.10,
Brown clay,4.27,Clay,1.10,
Blue clay,56.39,Blue clay,1.84,
Brown clay,0.61,Clay,1.10,
Grey (hard) clay,1.22,Clay,1.10,
Mottled (blue) clay,6.1,Mottled clay,2.10,
Mottled (brown) clay,3.66,Mottled clay,2.10,
Blue marl,0.61,Marl,2.10,
Green sand and pebbles ,1.22,Sand,2.10,
Hard grey sand,3.66,Sand,2.10,
Hard brown sand,1.83,Sand,2.10,
Chalk,16.48,Chalk,1.88,
,,,,
TQ37SE741,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,14.02,London clay,1.60,1.5
Woolwich and Blackheath Beds (pebbles and clayey sand),16.76,Pebbles,0.39,
Thanet sand,15.39,Thanet sand,1.27,
Upper chalk,53.82,Chalk,1.88,
,,,,
TQ27SW4,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,51.21,London clay,1.60,1.69
Woolwich and Reading beds,15.54,Woolwich and Reading beds,2.10,
Thanet sand,13.41,Thanet sand,1.27,
Chalk,19.84,Chalk,1.88,
,,,,
TQ28SW23,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Weathered brown clay,4.27,Clay,1.10,1.57
London clay,73.15,London clay,1.60,
Coloured [mottled] clay,0.61,Mottled clay,2.10,
Sandy clay,1.68,Sandy clay,2.01,
Coloured [mottled] clay,5.64,Mottled clay,2.10,
Very hard clay and veins of sands,1.83,Clay,1.10,
Very tough clay,1.22,Clay,1.10,
Hard clay,0.91,Clay,1.10,
Pebbles,0.91,Pebbles,0.39,
Dead and coloured [mottled] sand and pebbles,2.44,Sand,2.10,
Clay and greenish sand,1.22,Clay,1.10,
[Thanet] Sand,6.12,Thanet sand,1.27,
,,,,
TQ27SW166,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,93.57,London clay,1.60,1.63
Woolwich and Reading beds,6.43,Woolwich and Reading beds,2.10,
,,,,
TQ37NE773,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.61,Top soil,1.04,1.82
Ballast,5.18,Ballast,0.38,
Green sand,0.46,Sand,2.10,
Green coated flints,0.46,Flints,3.50,
Loose chalk,2.44,Chalk,1.88,
Chalk and flints,1.83,Chalk,1.88,
Bed of black flints,0.61,Flints,3.50,
Chalk and flints,88.42,Chalk,1.88,
,,,,
TQ28SE6,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.74,Made ground,1.25,1.68
Loam and gravel ,1.83,Loam,1.09,
Black-earth,0.91,Clay,1.10,
Blue [London] Clay,43.89,London clay,1.60,
Mottled clay,10.97,Mottled clay,2.10,
Green sand,0.3,Sand,2.10,
Pebbles,0.61,Pebbles,0.39,
Mottled clay,2.44,Mottled clay,2.10,
Plastic clay,5.18,Clay,1.10,
Loam and sand,1.52,Loam,1.09,
Pebbles and sand,0.61,Pebbles,0.39,
Flints,0.3,Flints,3.50,
Chalk,28.68,Chalk,1.88,
,,,,
TQ37SW186,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Pit,1.52,Peat,0.08,1.85
Brown clay,1.22,Clay,1.10,
Brown clay,2.74,Clay,1.10,
Brown sand,0.91,Sand,2.10,
Sand,3.35,Sand,2.10,
Blue clay,31.09,Blue clay,1.84,
Blue loamy clay,1.52,Loamy sand,1.50,
Loamy sand,2.13,Loamy sand,1.50,
Clay and shells,1.22,Clay,1.10,
Hard sand,3.51,Sand,2.10,
Mottled clay,7.32,Mottled clay,2.10,
Mottled clay,1.98,Mottled clay,2.10,
Green sand,11.58,Sand,2.10,
Chalk and flints,29.9,Chalk,1.88,
,,,,
TQ48SW6,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Ballast,7.62,Ballast,0.38,1.66
Clay,16.15,Clay,1.10,
Black pebbles,0.3,Pebbles,0.39,
Shells and clay,4.57,Clay,1.10,
Hard mottled clay and stones,3.35,Mottled clay,2.10,
Greenish sand and stone,4.42,Sand,2.10,
Hard mottled clay,2.13,Mottled clay,2.10,
Hard grey sand,15.54,Sand,2.10,
Grey sand and chalk,1.07,Sand,2.10,
Chalk and flint,44.83,Chalk,1.88,
,,,,
TQ28NE5,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Brown clay,9.14,Clay,1.10,1.1
"Blue and dark brown clay, with septaria",51.82,Clay,1.10,
"Clay, sandy and with vegetable remains",25.6,Clay,1.10,
[Basement-bed.] Rock with green grains and many fossils,1.52,Clay,1.10,
Plastic clay,11.91,Clay,1.10,
,,,,
TQ37NW116,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,1.52,Top soil,1.04,1.76
Gravel,6.1,Gravel,1.80,
London clay,24.84,London clay,1.60,
Woolwich and Reading beds,15.39,Woolwich and Reading beds,2.10,
Thanet sand,11.58,Thanet sand,1.27,
Chalk with flints,40.56,Chalk,1.88,
,,,,
TQ37SW9,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Brown clay,7.32,Clay,1.10,1.83
Blue clay,52.43,Blue clay,1.84,
Pebbles,0.91,Pebbles,0.39,
Blue clay,4.57,Blue clay,1.84,
Mottled sand,3.05,Sand,2.10,
Clay and shells,1.22,Clay,1.10,
Mottled clay,6.71,Mottled clay,2.10,
Mottled sand,2.13,Sand,2.10,
Hard grey sand,10.36,Sand,2.10,
Green coated flints,0.15,Flints,3.50,
Chalk and flints,11.15,Chalk,1.88,
,,,,
TQ28SE1560,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Brown clay,6.1,Clay,1.10,1.57
Blue clay and septaria,33.22,Clay,1.10,
Mottled clay,12.5,Mottled clay,2.10,
Hard sandy clay and pebbles,0.91,Sandy clay,2.01,
Clay and pebbles conglomerate,2.44,Clay,1.10,
Hard sand and mundic,1.07,Sand,2.10,
Hard sand,1.98,Sand,2.10,
Pebbles and sand,0.46,Pebbles,0.39,
Pebbles,0.46,Pebbles,0.39,
Thanet Sand,2.74,Thanet Sand,1.27,
Chalk and flints,2.74,Chalk,1.88,
Sticky chalk and flints,2.13,Chalk,1.88,
"Hard, dense sticky chalk and flints",9.6,Chalk,1.88,
Chalk and flints,19.96,Chalk,1.88,
Flints,0.91,Flints,3.50,
Hard chalk,2.77,Chalk,1.88,
,,,,
TQ48SW183,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.61,Made ground,1.25,1.74
Ballast,5.18,Ballast,0.38,
London blue clay,10.97,London clay,1.60,
Sandy clay,2.74,Sandy clay,2.01,
Pebbles,1.83,Pebbles,0.39,
Rotten Rock,6.1,Rock,1.50,
Light blue sandy clay,0.61,Sandy clay,2.01,
Brown sand,1.83,Sand,2.10,
Green sand,3.05,Sand,2.10,
Black pebbles,1.83,Pebbles,0.39,
Grey sand,11.58,Sand,2.10,
Dark grey sand,3.05,Sand,2.10,
Chalk,50.62,Chalk,1.88,
,,,,
TQ28SE47,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Clay,3.35,Clay,1.10,1.84
Clay,3.2,Clay,1.10,
Brown clay,3.81,Clay,1.10,
Blue clay,19.81,Blue clay,1.84,
Blue clay and stones,0.91,Blue clay,1.84,
Blue clay,26.52,Blue clay,1.84,
Blue sand and clay,1.83,Sand,2.10,
Sandy clay,2.44,Sandy clay,2.01,
Mottled clay,12.95,Mottled clay,2.10,
Sand,1.12,Sand,2.10,
Conglomerate,0.3,Conglomerate,2.30,
Green Sand,3.3,Sand,2.10,
Sand,0.46,Sand,2.10,
Green dead sand,4.11,Sand,2.10,
Chalk,15.88,Chalk,1.88,
,,,,
TQ48SW561,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.61,Made ground,1.25,1.86
Gravel,1.22,Gravel,1.80,
Clay,1.52,Clay,1.10,
Gravel,5.18,Gravel,1.80,
Dense sand,0.3,Sand,2.10,
Clay,3.96,Clay,1.10,
Claystone,0.08,Claystone,1.03,
Sandstone,0.23,Sandstone,3.58,
Sand and pebbles,2.13,Sand,2.10,
Clay and shells,4.57,Clay,1.10,
Hard grey sand,4.57,Sand,2.10,
Sand and pebbles,0.61,Sand,2.10,
Sand,17.07,Sand,2.10,
Flints,0.46,Flints,3.50,
Chalk and flints,32.46,Chalk,1.88,
Chalk and flints,2.44,Chalk,1.88,
Chalk and flints,22.58,Chalk,1.88,
,,,,
TQ28SE1500,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Earth [made ground etc.],2.13,Made ground,1.25,1.71
Gravel,4.57,Gravel,1.80,
Blue [London] clay,30.48,Blue clay,1.84,
Coloured [mottled] clay,3.66,Mottled clay,2.10,
Pebbles and sand ,6.1,Pebbles,0.39,
Thanet sand,9.14,Thanet sand,1.27,
To flints that come above the Chalk,43.92,Chalk,1.88,
,,,,
TQ38SE1946,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.76,Made ground,1.25,1.66
Ballast,2.59,Ballast,0.38,
Blue clay,7.62,Blue clay,1.84,
Clay and shells,3.96,Clay,1.10,
Loam,3.66,Loam,1.09,
Clay,2.13,Clay,1.10,
Clay,1.22,Clay,1.10,
Loam,4.88,Loam,1.09,
Loam,7.92,Loam,1.09,
Green sand,7.01,Sand,2.10,
Flints,0.15,Flints,3.50,
Chalk and flints,58.09,Chalk,1.88,
,,,,
TQ36NW107,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top Soil,0.61,Top Soil,1.04,1.87
Gravel,2.13,Gravel,1.80,
Blue Clay,21.95,Blue Clay,1.84,
Sand and Pebbles,3.66,Sand,2.10,
Mottled Clay,10.67,Mottled Clay,2.10,
Sandy Clay and stones,1.83,Sandy clay,2.01,
Green Sand and Pebbles ,4.27,Sand,2.10,
Thanet Sand,7.01,Thanet Sand,1.27,
Sand and large pebbles ,3.05,Sand,2.10,
Chalk and flints,44.83,Chalk,1.88,
,,,,
TQ38SE160,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,3.05,Made ground,1.25,1.9
Gravel,3.66,Gravel,1.80,
Red clay,0.3,Clay,1.10,
Blue clay,12.8,Blue clay,1.84,
Sand,23.47,Sand,2.10,
Chalk,56.72,Chalk,1.88,
,,,,
TQ28SW320,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Preface Pit,0.91,Peat,0.08,1.7
Brown Clay,6.71,Clay,1.10,
Blue Clay,20.12,Blue Clay,1.84,
Claystone,0.3,Claystone,1.03,
Blue clay,17.07,Blue clay,1.84,
Claystone,0.3,Claystone,1.03,
Blue clay,28.35,Blue clay,1.84,
Claystone,0.3,Claystone,1.03,
Blue clay,3.96,Blue clay,1.84,
Brown sandy clay,0.61,Sandy clay,2.01,
Green sandy clay,3.35,Sandy clay,2.01,
Brown sandy clay,4.11,Sandy clay,2.01,
Hatted Clay,11.43,Clay,1.10,
Brown loamy sand,0.61,Loamy sand,1.50,
Brown mottled clay,1.85,Mottled clay,2.10,
,,,,
TQ28SW27,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Yellow clay,6.55,Clay,1.10,1.83
Blue clay,23.77,Blue clay,1.84,
Claystone,0.15,Claystone,1.03,
Blue clay,15.39,Blue clay,1.84,
Claystone,0.46,Claystone,1.03,
Blue clay,3.81,Blue clay,1.84,
Claystone,0.46,Claystone,1.03,
Blue clay,14.33,Blue clay,1.84,
Mottled clay,14.48,Mottled clay,2.10,
Hard bed of pebbles,0.76,Pebbles,0.39,
Dead coloured sands,2.59,Sand,2.10,
Dead grey sand (very hard),0.61,Sand,2.10,
Dead sand,0.61,Sand,2.10,
Dead grey sand,2.13,Sand,2.10,
Hard pebbles or flints,0.15,Pebbles,0.39,
Chalk and flints,13.74,Chalk,1.88,
,,,,
TQ39SW201,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Mould,0.15,Mould,1.50,1.82
hard brown clay,1.83,Clay,1.10,
Brown clay & clay stones,7.62,Clay,1.10,
Blue clay & clay stones,19.05,Blue clay,1.84,
Sandy blue clay,4.57,Blue clay,1.84,
Mottled clay,7.62,Mottled clay,2.10,
Hard loamy sand,3.05,Loamy sand,1.50,
Grey sandy clay + pebbles,8.69,Sandy clay,2.01,
Green flints,0.3,Flints,3.50,
Chalk and flints,4.72,Chalk,1.88,
Chalk and flints,42.39,Chalk,1.88,
,,,,
TQ38SE1943,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Ballast,4.72,Ballast,0.38,1.78
Blue clay,10.36,Blue clay,1.84,
Clay and stones,3.35,Clay,1.10,
Blue clay,8.84,Blue clay,1.84,
Loamy sand and pebbles,4.57,Loamy sand,1.50,
Black sand,2.74,Sand,2.10,
Sand and pebbles,1.83,Sand,2.10,
Grey sand,0.61,Sand,2.10,
Green sand,0.61,Sand,2.10,
Green coated flints,0.76,Flints,3.50,
Chalk and flints,61.6,Chalk,1.88,
,,,,
TQ37NE77,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.44,Made ground,1.25,1.77
Blue clay,1.22,Blue clay,1.84,
Gravel (water),0.76,Gravel,1.80,
Gravel and sand,2.9,Gravel,1.80,
Shells and clay,0.61,Clay,1.10,
Mottled clay,1.22,Mottled clay,2.10,
Green sand and clay,3.2,Sand,2.10,
Black [flint] pebbles,0.46,Pebbles,0.39,
Blue clay,0.3,Blue clay,1.84,
Grey sand,0.36,Sand,2.10,
Green sand and clay,0.56,Sand,2.10,
Live fine [Thanet] sand,15.24,Thanet sand,1.27,
Chalk,70.74,Chalk,1.88,
,,,,
TQ38SE128,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.44,Made ground,1.25,1.73
Ballast,5.18,Ballast,0.38,
Blue london clay,16.15,Blue clay,1.84,
Woolwich beds (sands),5.64,Sand,2.10,
Woolwich and Reading beds,10.97,Woolwich and Reading beds,2.10,
Thanet sand,14.17,Thanet sand,1.27,
Upper chalk,45.44,Chalk,1.88,
,,,,
TQ38NW8,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,8.23,Made ground,1.25,1.72
London Clay,20.73,London Clay,1.60,
Blue Clay,19.2,Blue Clay,1.84,
Thanet Sand,6.71,Thanet Sand,1.27,
Chalk,45.14,Chalk,1.88,
,,,,
TQ38SE2000,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.15,Concrete,1.70,1.8
Made ground,1.68,Made ground,1.25,
Clay and gravel,0.3,Clay,1.10,
Gravel,2.74,Gravel,1.80,
Made ground,0.91,Made ground,1.25,
Gravel,3.35,Gravel,1.80,
Brown clay,0.61,Clay,1.10,
Blue clay,7.16,Blue clay,1.84,
Sand and pebbles,0.61,Sand,2.10,
Sandy clay,0.91,Sandy clay,2.01,
Mottled clay,9.14,Mottled clay,2.10,
Green sand,1.22,Sand,2.10,
Sandy clay,2.44,Sandy clay,2.01,
Thanet sand,13.11,Thanet sand,1.27,
Chalk and flints,55.65,Chalk,1.88,
,,,,
TQ38SW2841,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.2,Concrete,1.70,1.83
Made ground,0.25,Made ground,1.25,
Brown clay,6.86,Clay,1.10,
Blue clay,22.25,Blue clay,1.84,
Mottled clay,2.44,Mottled clay,2.10,
Mottley clay hard,6.71,Mottled clay,2.10,
Green sandy clay,1.98,Sandy clay,2.01,
Sandy clay,5.94,Sandy clay,2.01,
Sandy clay pebbles,3.66,Sandy clay,2.01,
Thanet sand,4.42,Thanet sand,1.27,
Green flints,0.46,Flints,3.50,
Chalk & flints,44.83,Chalk,1.88,
,,,,
TQ38SW3409,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.3,Concrete,1.70,2.43
Brick,1.52,Brick,0.80,
Gravel,3.96,Gravel,1.80,
Blue clay,27.43,Blue clay,1.84,
Mottled clay,0.3,Mottled clay,2.10,
Grey sand,0.61,Sand,2.10,
Mottled clay,10.67,Mottled clay,2.10,
Ballast,0.61,Ballast,0.38,
Green sand,3.05,Sand,2.10,
Grey sandy clay,3.35,Sandy clay,2.01,
Grey sand,1.83,Sand,2.10,
Thanet sand,8.84,Thanet sand,1.27,
Green flints,0.3,Flints,3.50,
Black flints,37.21,Flints,3.50,
,,,,
TQ38NW15,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made Ground,1.83,Made Ground,1.25,1.98
Ballast,1.68,Ballast,0.38,
London Clay,9.6,London Clay,1.60,
Blue Clay,12.19,Blue Clay,1.84,
Sand Pebbles ,0.76,Sand,2.10,
Green Sand,4.42,Sand,2.10,
Hard Sand Flints,9.3,Flints,3.50,
Flints,0.3,Flints,3.50,
Chalk and Flints,59.92,Chalk,1.88,
,,,,
TQ38NE313,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.3,Top soil,1.04,1.83
Made ground,1.37,Made ground,1.25,
Clay and stones,1.07,Clay,1.10,
Gravel,1.37,Gravel,1.80,
Large gravel,2.74,Gravel,1.80,
Loamy sand,0.91,Loamy sand,1.50,
Chalk,1.37,Chalk,1.88,
Green sand,2.74,Sand,2.10,
Sand,7.62,Sand,2.10,
Thanet sand,7.62,Thanet sand,1.27,
Chalk and flints,51.82,Chalk,1.88,
Chalk and flints,14.63,Chalk,1.88,
Chalk,1.83,Chalk,1.88,
Chalk and flints,4.6,Chalk,1.88,
,,,,
TQ38SW2842,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.3,Concrete,1.70,1.83
Made Ground,0.76,Made Ground,1.25,
Clay Gravel ,1.68,Clay,1.10,
Ballast,5.18,Ballast,0.38,
Blue Clay,16.15,Blue Clay,1.84,
Sand clay,1.52,Sand,2.10,
Mottled clay,0.61,Mottled clay,2.10,
Grey Sand,1.52,Sand,2.10,
Mottled clay,1.83,Mottled clay,2.10,
Claystone,0.3,Claystone,1.03,
Mottled clay & sand,4.27,Mottled clay,2.10,
Green Sand pebbles,4.57,Sand,2.10,
Dead Grey sand,10.06,Sand,2.10,
Chalk flints,51.23,Chalk,1.88,
,,,,
TQ38NE304,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
River gravel,3.05,Gravel,1.80,1.61
London clay,32.92,London clay,1.60,
Reading beds,27.13,Woolwich and Reading beds,2.10,
Upper shale,36.91,Shale,1.25,
,,,,
TQ38NE302,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil and made ground,1.83,Made ground,1.25,1.86
Yellow sand,0.46,Sand,2.10,
Ballast,0.76,Ballast,0.38,
Blue Clay,12.19,Blue Clay,1.84,
Mottled clay,7.92,Mottled clay,2.10,
Pebbles,3.35,Pebbles,0.39,
Grey Sand (Mottled),3.66,Sand,2.10,
Grey sand (hard),9.14,Sand,2.10,
Dark Grey Sand,3.96,Sand,2.10,
Flints,0.15,Flints,3.50,
Chalk and Flints,56.57,Chalk,1.88,
,,,,
TQ27SE34,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Mould,0.3,Mould,1.50,1.66
Yellow clay,1.22,Clay,1.10,
Sand,1.22,Sand,2.10,
Gravel,1.83,Gravel,1.80,
London clay,72.85,London clay,1.60,
Woolwich and Reading Beds,16.15,Woolwich and Reading Beds,2.10,
Thanet sand,6.43,Thanet sand,1.27,
,,,,
TQ38NW13,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Blue clay,30.48,Blue clay,1.84,1.89
Loam and sand,6.1,Loam,1.09,
Sand and pebbles ,13.11,Sand,2.10,
Green-coated flints ,2.69,Flints,3.50,
Chalk and flints ,44.25,Chalk,1.88,
Hard stone ,0.86,Stone,1.70,
Chalk and flints,2.51,Chalk,1.88,
,,,,
TQ27SE695,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.13,Made ground,1.25,1.87
Mottled clay,8.23,Mottled clay,2.10,
Blue clay,70.71,Blue clay,1.84,
Black clay,2.13,Clay,1.10,
Mottled clay,1.83,Mottled clay,2.10,
Mottled clay,0.91,Mottled clay,2.10,
Mottled clay,10.21,Mottled clay,2.10,
Green sand,2.59,Sand,2.10,
Grey sand,1.24,Sand,2.10,
,,,,
TQ27NW417,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Granite sets,0.15,Granite,2.85,1.52
Concrete,0.38,Concrete,1.70,
Brickwork etc.,0.91,Brick,0.80,
Sandy loam,1.45,Loam,1.09,
Gravel,3.81,Gravel,1.80,
London clay,58.52,London clay,1.60,
Reading beds (clays),16.76,Clay,1.10,
Thanet sand,6.71,Thanet sand,1.27,
Upper chalk,11.3,Chalk,1.88,
,,,,
TQ27SE676,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,3.96,Made ground,1.25,1.84
Brown clay,3.05,Clay,1.10,
Blue clay,36.58,Blue clay,1.84,
Blue clay,38.1,Blue clay,1.84,
Clay,0.15,Clay,1.10,
Mottled clay,6.25,Mottled clay,2.10,
Mottled clay,5.18,Mottled clay,2.10,
Mottled clay,2.44,Mottled clay,2.10,
Mottled clay,4.29,Mottled clay,2.10,
,,,,
TQ27NW419,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.61,Concrete,1.70,1.81
Ballast,4.57,Ballast,0.38,
Blue clay,8.53,Blue clay,1.84,
Claystone,0.23,Claystone,1.03,
Blue clay,8.61,Blue clay,1.84,
Claystone,0.15,Claystone,1.03,
Blue clay,4.11,Blue clay,1.84,
Claystone,0.3,Claystone,1.03,
Blue clay,17.37,Blue clay,1.84,
Light grey sand,0.3,Sand,2.10,
Mottled clay,15.85,Mottled clay,2.10,
Pebbles,2.13,Pebbles,0.39,
Green sand & pebbles,0.91,Sand,2.10,
Grey sand ,5.49,Sand,2.10,
Green flints,0.3,Flints,3.50,
Chalk and flints,30.51,Chalk,1.88,
,,,,
TQ27NE82B,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Surface and sandy ballast,9.14,Ballast,0.38,1.62
London clay,39.93,London clay,1.60,
Woolwich and Reading Beds,15.85,Woolwich and Reading Beds,2.10,
Thanet sand,7.92,Thanet sand,1.27,
Chalk and flints,27.15,Chalk,1.88,
,,,,
TQ27NW233,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.52,Made ground,1.25,1.88
Gravel,4.88,Gravel,1.80,
Blue London clay,37.49,Blue clay,1.84,
Mottled clay,12.8,Mottled clay,2.10,
Pebbles,1.52,Pebbles,0.39,
Sand,2.74,Sand,2.10,
Dark sand,7.32,Sand,2.10,
Chalk,31.72,Chalk,1.88,
,,,,
TQ27SE696,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,51.82,London clay,1.60,1.71
Woolwich and Reading Beds,20.12,Woolwich and Reading Beds,2.10,
Thanet sand,11.58,Thanet sand,1.27,
Upper chalk,16.48,Chalk,1.88,
,,,,
TQ26NE234,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
"Sand, clay and gravel",1.52,Sand,2.10,1.74
Sand and brown clay,0.3,Sand,2.10,
Yellow clay,3.51,Clay,1.10,
London clay,39.01,London clay,1.60,
Reading bed (clay and sand),18.29,Woolwich and Reading Beds,2.10,
Thanet sand,8.23,Thanet sand,1.27,
Upper chalk,29.13,Chalk,1.88,
,,,,
TQ27NW414,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.52,Made ground,1.25,1.7
Gravel,2.44,Gravel,1.80,
London clay,53.34,London clay,1.60,
WRB (CLAYS),18.29,Woolwich and Reading Beds,2.10,
Thanet sand,9.14,Thanet sand,1.27,
Chalk,15.27,Chalk,1.88,
,,,,
TQ27SE45A,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,70.41,London clay,1.60,1.65
Woolwich and Reading beds,18.29,Woolwich and Reading beds,2.10,
Thanet sand,11.3,Thanet sand,1.27,
,,,,
TQ27NE92A,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,3.05,Made ground,1.25,1.92
London clay,39.62,London clay,1.60,
Clay,3.05,Clay,1.10,
Clay & stones,4.57,Clay,1.10,
Greensand,3.05,Sand,2.10,
Grey sand,4.57,Sand,2.10,
Flints,13.11,Flints,3.50,
Chalk,28.98,Chalk,1.88,
,,,,
TQ27NE175A,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Gravel,4.57,Gravel,1.80,1.69
Gravel and fine sand,3.05,Gravel,1.80,
Sand and gravel,0.91,Sand,2.10,
Gravel,0.3,Gravel,1.80,
Gravel and blue clay,1.22,Gravel,1.80,
Blue london clay,36.27,Blue clay,1.84,
Reading beds (sands) and Thanet sand,27.74,Thanet sand,1.27,
Chalk and flints,25.93,Chalk,1.88,
,,,,
TQ27NW29,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Peat,4.27,Peat,0.08,1.68
Ballast,4.57,Ballast,0.38,
Blue London clay,49.07,Blue clay,1.84,
Reading beds (CLAYS),15.85,Woolwich and Reading beds,2.10,
Thanet sand,10.97,Thanet sand,1.27,
Chalk and flints,15.27,Chalk,1.88,
,,,,
TQ27NE527,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.13,Made ground,1.25,1.74
Gravel,2.13,Gravel,1.80,
Concrete,1.98,Concrete,1.70,
Mudstone,1.98,Mudstone,1.99,
Brick,0.3,Brick,0.80,
Ballast,1.22,Ballast,0.38,
London clay,37.19,London clay,1.60,
Woolwich and Reading Beds,21.03,Woolwich and Reading Beds,2.10,
Thanet sand,6.71,Thanet sand,1.27,
Chalk,25.32,Chalk,1.88,
,,,,
TQ27NE500C,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,5.18,Made ground,1.25,1.81
Ballast,1.22,Ballast,0.38,
Gravel,1.37,Gravel,1.80,
Blue clay,22.1,Blue clay,1.84,
Blue clay & clay stones ,14.33,Blue clay,1.84,
Black clay & shells,1.83,Clay,1.10,
Mottled clay,14.48,Mottled clay,2.10,
Pebble conglomerate,1.07,Pebbles,0.39,
Coloured sands,2.74,Sand,2.10,
Hand dead sands,5.79,Sand,2.10,
Thanet sand,5.18,Thanet sand,1.27,
Flints,0.3,Flints,3.50,
Chalk and flints,24.41,Chalk,1.88,
,,,,
TQ27NW407,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,1.22,Concrete,1.70,1.7
Ballast,4.88,Ballast,0.38,
London clay,51.51,London clay,1.60,
Reading beds (CLAYS),16.61,Woolwich and Reading Beds,2.10,
Green coated flints,0.15,Flints,3.50,
Chalk and flints,25.63,Chalk,1.88,
,,,,
TQ27SE674,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.3,Made ground,1.25,1.68
London clay,67.67,London clay,1.60,
Woolwich and Reading Beds,20.12,Woolwich and Reading Beds,2.10,
Thanet sand,9.45,Thanet sand,1.27,
Upper chalk,2.46,Chalk,1.88,
,,,,
TQ27NE79,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,6.4,Made ground,1.25,1.71
Gravel,0.3,Gravel,1.80,
London clay,38.4,London clay,1.60,
Woolwich and Reading beds,18.59,Woolwich and Reading beds,2.10,
Thanet sand,10.97,Thanet sand,1.27,
Chalk and flints,25.32,Chalk,1.88,
,,,,
TQ27SE54,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.83,Made ground,1.25,1.71
Sand and ballast,1.83,Sand,2.10,
London clay,52.58,London clay,1.60,
Woolwich and Reading Beds,18.44,Woolwich and Reading Beds,2.10,
Thanet Sand,9.3,Thanet Sand,1.27,
Upper chalk,16.03,Chalk,1.88,
,,,,
TQ27NW25,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,3.66,Made ground,1.25,1.69
Ballast,3.35,Ballast,0.38,
London clay,43.59,London clay,1.60,
Woolwich and Reading Beds,26.82,Woolwich and Reading Beds,2.10,
Thanet Sand,8.84,Thanet Sand,1.27,
Chalk and flints,13.74,Chalk,1.88,
,,,,
TQ27NE120B,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Soil made ground ,1.83,Made ground,1.25,1.97
Sand & gravel,4.57,Sand,2.10,
Blue clay,36.27,Blue clay,1.84,
Mottled clay,10.97,Mottled clay,2.10,
Sand w. little water,1.22,Sand,2.10,
mottled clay,4.57,mottled clay,2.10,
Sandstones & water,2.13,Sandstone,3.58,
Brown sand & clay,10.67,Sand,2.10,
Green sand & clay,0.91,Sand,2.10,
Flints,0.3,Flints,3.50,
"Chalk, flints & neck Chalk",26.54,Chalk,1.88,
,,,,
TQ38NW9,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,31.7,London clay,1.60,1.8
WRB (CLAYS),17.68,Woolwich and Reading Beds,2.10,
Thanet sand,4.27,Thanet sand,1.27,
Chalk,46.36,Chalk,1.88,
,,,,
TQ28SE1590,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,64.62,London clay,1.60,1.72
Woolwich and Reading Beds,23.47,Woolwich and Reading Beds,2.10,
Thanet sand,4.42,Thanet sand,1.27,
Chalk,7.49,Chalk,1.88,
,,,,
TQ28SW317,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.46,Concrete,1.70,1.84
Made ground,0.3,Made ground,1.25,
Brown clay,7.62,Clay,1.10,
Blue clay,60.96,Blue clay,1.84,
Mottled clay,18.44,Mottled clay,2.10,
Clay and pebbles,1.52,Clay,1.10,
Mottled sand and pebbles,1.52,Sand,2.10,
Grey sand,6.25,Sand,2.10,
Green coated flints,0.15,Flints,3.50,
Chalk,2.77,Chalk,1.88,
,,,,
TQ38NW430,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.3,Concrete,1.70,1.87
Made ground,0.91,Made ground,1.25,
Brown clay,7.62,Clay,1.10,
Blue clay,22.86,Blue clay,1.84,
Sandy clay,5.49,Sandy clay,2.01,
Mottled clay,10.67,Mottled clay,2.10,
Grey sand,15.7,Sand,2.10,
Green coated flints,0.15,Flints,3.50,
Chalk and flints,36.3,Chalk,1.88,
,,,,
TQ38NW597,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.69,Made ground,1.25,1.81
River drift (soft loam),2.29,Drift,2.23,
London clay,22.94,London clay,1.60,
Woolwich and Reading Beds,16.61,Woolwich and Reading Beds,2.10,
Thanet sand,7.77,Thanet sand,1.27,
Upper Chalk,49.71,Chalk,1.88,
,,,,
TQ28SW21,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.91,Made ground,1.25,1.6
London clay,72.39,London clay,1.60,
Woolwich and Reading beds,10.52,Woolwich and Reading beds,2.10,
Thanet sand,15.24,Thanet sand,1.27,
Chalk and flints,0.94,Chalk,1.88,
,,,,
TQ17SE3,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.13,Made ground,1.25,1.88
River Gravel,2.44,Gravel,1.80,
Blue London clay,48.46,Blue clay,1.84,
Woolwich and Reading Beds,24.38,Woolwich and Reading Beds,2.10,
Thanet sand,2.44,Thanet sand,1.27,
Chalk,20.14,Chalk,1.88,
,,,,
TQ38NW431,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.91,Made ground,1.25,1.81
London clay,24.69,London clay,1.60,
Woolwich and Reading Beds,20.12,Woolwich and Reading Beds,2.10,
Thanet sand,6.25,Thanet sand,1.27,
Chalk,48.03,Chalk,1.88,
,,,,
TQ38SW332,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground Brick & gravel,5.18,Made ground,1.25,1.8
Blue clay,34.44,Blue clay,1.84,
Woolwich and Reading Beds,16.61,Woolwich and Reading Beds,2.10,
Thanet sand,10.67,Thanet sand,1.27,
Chalk,33.1,Chalk,1.88,
,,,,
TQ38SW498,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Earth,2.13,Earth,1.50,1.86
Gravel,2.74,Gravel,1.80,
Blue London Clay,29.87,Blue clay,1.84,
Coloured mottled clay,1.83,Mottled clay,2.10,
Pebbles,3.05,Pebbles,0.39,
Sand,15.24,Sand,2.10,
Flints and iron-clay,0.76,Flints,3.50,
Chalk,44.37,Chalk,1.88,
,,,,
TQ38NW7,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Mould,0.46,Mould,1.50,1.79
London clay,32.77,London clay,1.60,
Woolwich and Reading Beds,16.15,Woolwich and Reading Beds,2.10,
Thanet sand,4.88,Thanet sand,1.27,
Chalk,45.75,Chalk,1.88,
,,,,
TQ38NW21,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Mould,0.46,Mould,1.50,1.79
London clay,32.77,London clay,1.60,
Woolwich and Reading Beds,16.15,Woolwich and Reading Beds,2.10,
Thanet sand,4.88,Thanet sand,1.27,
Chalk,45.75,Chalk,1.88,
,,,,
TQ38NW444,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.91,Made ground,1.25,1.82
Brown clay,8.23,Clay,1.10,
Blue clay,34.75,Blue clay,1.84,
Mottled sand,4.27,Sand,2.10,
Mottled clay,0.91,Mottled clay,2.10,
White stone,0.61,Stone,1.70,
Hand mottled clay,2.13,Mottled clay,2.10,
Dead green sand,3.35,Sand,2.10,
Sandy clay pebbles,1.22,Pebbles,0.39,
Sandy clay,7.32,Sandy clay,2.01,
Grey sand and pebbles,0.61,Sand,2.10,
Grey sand,5.18,Sand,2.10,
Green coated flints,0.15,Flints,3.50,
Chalk flints,30.35,Chalk,1.88,
,,,,
TQ28NE10,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,65.99,London clay,1.60,1.69
Woolwich and Reading Beds,17.53,Woolwich and Reading Beds,2.10,
Thanet sand,7.62,Thanet sand,1.27,
Upper Chalk,8.86,Chalk,1.88,
,,,,
TQ38NW23,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.76,Made ground,1.25,1.75
London clay,37.03,London clay,1.60,
Reading beds,14.02,Woolwich and Reading Beds,2.10,
Thanet sand,8.23,Thanet sand,1.27,
Chalk,39.95,Chalk,1.88,
,,,,
TQ38NW24,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Yellow clay,9.14,Clay,1.10,1.84
Blue clay,31.7,Blue clay,1.84,
Mottled clay,7.32,Mottled clay,2.10,
Yellow sand,6.71,Sand,2.10,
Dark green sand,7.62,Sand,2.10,
Chalk and Flints,37.52,Chalk,1.88,
,,,,
TQ38SW2852,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Cone etc.,0.15,Concrete,1.70,1.79
Granite sets,0.15,Granite,2.85,
Made ground,1.68,Made ground,1.25,
Loam,1.22,Loam,1.09,
Loamy sand,1.07,Loamy sand,1.50,
Gravel,3.35,Gravel,1.80,
Brown clay,0.3,Clay,1.10,
Blue clay,14.02,Blue clay,1.84,
Woolwich and Reading Beds,7.62,Woolwich and Reading Beds,2.10,
Clay,0.3,Clay,1.10,
Stone,0.15,Stone,1.70,
Clay and stones,0.3,Clay,1.10,
Mottled clay,2.29,Mottled clay,2.10,
Pebbles,0.15,Pebbles,0.39,
Gravel,0.91,Gravel,1.80,
Red clay or Marl,1.22,Marl,2.10,
Clay and stones,1.37,Clay,1.10,
Thanet Sand,9.75,Thanet Sand,1.27,
Green Flints,0.15,Flints,3.50,
Chalk,42.06,Chalk,1.88,
Chalk and Flints,2.29,Chalk,1.88,
Chalk,9.47,Chalk,1.88,
,,,,
TQ27NE5,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.44,Made ground,1.25,1.56
River gravel,0.91,Gravel,1.80,
London clay,54.56,London clay,1.60,
Reading sand thanet beds,24.38,Thanet sand,1.27,
Chalk,17.7,Chalk,1.88,
,,,,
TQ27NE106,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground and gravel,6.71,Made ground,1.25,1.77
London clay,41.45,London clay,1.60,
Mottled clay,13.11,Mottled clay,2.10,
Fine gravel,1.07,Gravel,1.80,
Green sand,13.26,Sand,2.10,
Pebbles and flint,0.46,Pebbles,0.39,
Chalk,23.95,Chalk,1.88,
,,,,
TQ27NE528,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete made up ground,1.22,Concrete,1.70,1.71
Loamy brown clay,1.83,Loamy clay,1.22,
Ballast,0.61,Ballast,0.38,
Mottled clay,4.42,Mottled clay,2.10,
Blue clay,40.69,Blue clay,1.84,
Clay,3.05,Clay,1.10,
Mottled clay,1.83,Mottled clay,2.10,
Mottled clay,2.74,Mottled clay,2.10,
Clay and Pebbles,9.14,Clay,1.10,
Green sand and Pebbles,1.52,Sand,2.10,
Thanet sand,4.72,Thanet sand,1.27,
Thanet sand,3.35,Thanet sand,1.27,
Thanet sand,2.29,Thanet sand,1.27,
Flints,0.3,Flints,3.50,
Chalk,22.28,Chalk,1.88,
,,,,
TQ27NE122,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Gravel,2.74,Gravel,1.80,1.73
Brown clay and gravel,0.91,Clay,1.10,
London clay,47.09,London clay,1.60,
Woolwich and Reading Beds,17.68,Woolwich and Reading Beds,2.10,
Thanet sand,8.53,Thanet sand,1.27,
Chalk,3.51,Chalk,1.88,
Chalk and flints,19.53,Chalk,1.88,
,,,,
TQ28SW321,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.91,Made ground,1.25,1.84
Brown clay,7.62,Clay,1.10,
Blue clay,42.06,Blue clay,1.84,
Black clay,0.61,Clay,1.10,
Mottled clay,13.41,Mottled clay,2.10,
Mottled clay and pebbles,1.22,Mottled clay,2.10,
Green mottled sand,1.52,Sand,2.10,
Grey sand,6.71,Sand,2.10,
Green coated flints,0.15,Flints,3.50,
Chalk and flints,25.78,Chalk,1.88,
,,,,
TQ27NE529A,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Gravel,4.11,Gravel,1.80,1.76
Brown clay,0.15,Clay,1.10,
Blue clay,52.12,Blue clay,1.84,
Clay and pebbles,4.27,Clay,1.10,
Loamy sand and pebbles,1.22,Loamy sand,1.50,
"Loamy sand, clay",0.61,Loamy sand,1.50,
Loamy sand and pebbles,1.52,Loamy sand,1.50,
Mottled clay,8.23,Mottled clay,2.10,
Clay sand and pebbles,2.9,Clay,1.10,
Thanet sand,7.92,Thanet sand,1.27,
Flints,0.3,Flints,3.50,
Chalk and flints,16.64,Chalk,1.88,
,,,,
TQ27NE567,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Pit clay,1.83,Clay,1.10,1.85
Gravel,2.13,Gravel,1.80,
Large gravel,1.52,Gravel,1.80,
Brown clay,0.3,Clay,1.10,
Blue clay,52.73,Blue clay,1.84,
Mottled sandy clay,0.61,Sandy clay,2.01,
Mottled clay,15.24,Mottled clay,2.10,
Green sandy clay and pebbles,2.44,Sandy clay,2.01,
Thanet sand,4.88,Thanet sand,1.27,
Sandy clay and pebbles,1.83,Sandy clay,2.01,
Chalk and flints,16.48,Chalk,1.88,
,,,,
TQ28SW38,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Yellow brown clay,10.06,Clay,1.10,1.82
Blue clay,56.54,Blue clay,1.84,
Mottled clay,12.34,Mottled clay,2.10,
Loose gravel,0.53,Gravel,1.80,
Gravel and clay,1.52,Gravel,1.80,
Green sand,4.34,Sand,2.10,
Grey sand,2.74,Sand,2.10,
Chalk and flint,11.91,Chalk,1.88,
,,,,
TQ27NE565,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,5.49,Made ground,1.25,1.68
Loamy gravel,6.71,Gravel,1.80,
Blue london clay,60.35,Blue clay,1.84,
Clay,12.8,Clay,1.10,
Pebbles and sand,3.66,Pebbles,0.39,
Green sand,6.1,Sand,2.10,
Grey sand,1.22,Sand,2.10,
Flints,0.3,Flints,3.50,
Chalk and flints,3.38,Chalk,1.88,
,,,,
TQ37SW185,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,0.76,Top soil,1.04,1.89
Sandy clay,0.3,Sandy clay,2.01,
Very hard clay and sands,0.91,Clay,1.10,
Iron band gravel,0.76,Gravel,1.80,
Very hard clay and sands,0.61,Clay,1.10,
Clay,0.15,Clay,1.10,
Brown clay,3.2,Clay,1.10,
Blue clay,25.91,Blue clay,1.84,
Sandy blue clay,1.83,Blue clay,1.84,
Blue clay,0.61,Blue clay,1.84,
Sandy clay,17.98,Sandy clay,2.01,
Clay,1.68,Clay,1.10,
Mottled clay,12.27,Mottled clay,2.10,
Green sand,3.73,Sand,2.10,
Sand,8.69,Sand,2.10,
Green flint,0.15,Flints,3.50,
Chalk,20.45,Chalk,1.88,
,,,,
TQ27SE693,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Concrete,0.15,Concrete,1.70,1.83
Made ground,0.76,Made ground,1.25,
Clay and stones,1.22,Clay,1.10,
Brown clay,6.4,Clay,1.10,
Blue clay,58.52,Blue clay,1.84,
Clay and shells,3.66,Clay,1.10,
Mottled clay,1.83,Mottled clay,2.10,
Mottled sand,1.83,Sand,2.10,
Mottled clay,7.92,Mottled clay,2.10,
Mottled clay and pebbles,0.91,Mottled clay,2.10,
Green sand,4.27,Sand,2.10,
Grey sand,10.06,Sand,2.10,
Green coated flints,0.61,Flints,3.50,
Chalk and flints,1.85,Chalk,1.88,
,,,,
TQ37NW1258,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.46,Made ground,1.25,1.79
Mould,0.46,Mould,1.50,
Gravel,3.05,Gravel,1.80,
Brown clay,3.66,Clay,1.10,
London clay,37.19,London clay,1.60,
Grey sands,2.74,Sand,2.10,
Clay and shells,2.13,Clay,1.10,
Mottled clay,10.97,Mottled clay,2.10,
Green sand and pebbles,2.44,Sand,2.10,
Green sands,6.4,Sand,2.10,
Grey sands,5.18,Sand,2.10,
Green coated flints,0.3,Flints,3.50,
Chalk and flints,25.02,Chalk,1.88,
,,,,
TQ37NW117,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.61,Made ground,1.25,1.79
Marl,1.83,Marl,2.10,
Ballast,3.96,Ballast,0.38,
Sand,1.52,Sand,2.10,
Blue London clay,26.82,Blue clay,1.84,
Woolwich and Reading Beds,18.59,Woolwich and Reading Beds,2.10,
Thanet sand,10.67,Thanet sand,1.27,
Chalk,12.19,Chalk,1.88,
Chalk and flints,23.8,Chalk,1.88,
,,,,
TQ27NW346,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Surface sand,0.3,Sand,2.10,1.66
yellow sand,2.74,Sand,2.10,
London clay,82.6,London clay,1.60,
Sandy clay,5.18,Sandy clay,2.01,
Mottled clay,6.71,Mottled clay,2.10,
Brown clay,2.46,Clay,1.10,
,,,,
TQ28SE50,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
"Made ground, old foundation",7.01,Made ground,1.25,1.72
London clay,55.02,London clay,1.60,
Woolwich and Reading Beds,21.03,Woolwich and Reading Beds,2.10,
Thanet sand,1.68,Thanet sand,1.27,
Chalk and flints,15.27,Chalk,1.88,
,,,,
TQ27NE518C,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.83,Made ground,1.25,1.61
Ballast,9.45,Ballast,0.38,
London clay,33.53,London clay,1.60,
Woolwich and Reading Beds,17.22,Woolwich and Reading Beds,2.10,
Thanet sand,9.3,Thanet sand,1.27,
Upper chalk,28.68,Chalk,1.88,
,,,,
TQ27NE516,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,3.05,Made ground,1.25,1.55
Ballast,12.8,Ballast,0.38,
London clay,27.43,London clay,1.60,
Woolwich and Reading Beds,16.46,Woolwich and Reading Beds,2.10,
Thanet sand,12.04,Thanet sand,1.27,
Chalk,28.22,Chalk,1.88,
,,,,
TQ37NW1189,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.83,Made ground,1.25,2.02
River mud,2.74,Mud,11.70,
Gravel,1.83,Gravel,1.80,
London clay,31.7,London clay,1.60,
Woolwich and Reading Beds,16.76,Woolwich and Reading Beds,2.10,
Thanet sand,10.97,Thanet sand,1.27,
Chalk,34.16,Chalk,1.88,
,,,,
SK38SW3,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Shale,2.44,Shale,1.25,1.35
Dark grey stone,0.3,Stone,1.70,
Black shale,3.35,Shale,1.25,
Dark grey rock,0.3,Rock,1.50,
Shale,7.32,Shale,1.25,
Grey rock,4.88,Rock,1.50,
Shale,5.49,Shale,1.25,
Rock,1.83,Rock,1.50,
Shale,5.49,Shale,1.25,
Sandstone,1.68,Sandstone,3.58,
Shale,1.22,Shale,1.25,
Rock,1.22,Rock,1.50,
Shale,0.76,Shale,1.25,
Rock,1.68,Rock,1.50,
Shale,4.27,Shale,1.25,
Dark grey rock,6.86,Rock,1.50,
Light grey rock,3.96,Rock,1.50,
Shale,0.3,Shale,1.25,
Light grey rock,0.61,Rock,1.50,
Shale,1.22,Shale,1.25,
Light grey rock,1.22,Rock,1.50,
Shale,1.83,Shale,1.25,
Light grey rock,1.22,Rock,1.50,
Shale,24.08,Shale,1.25,
Black shale,16.48,Shale,1.25,
,,,,
SK38NW200,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.52,Made ground,1.25,1.22
Clay,1.22,Clay,1.10,
Clay,2.13,Clay,1.10,
Clay,1.83,Clay,1.10,
Clay,1.52,Clay,1.10,
Grey stone,4.57,Stone,1.70,
Shale,14.94,Shale,1.25,
Clay,8.53,Clay,1.10,
Clay,1.22,Clay,1.10,
Clay,0.61,Clay,1.10,
Shale,1.52,Shale,1.25,
Shale,6.4,Shale,1.25,
Clay,0.91,Clay,1.10,
Shale,12.19,Shale,1.25,
Clay,17.07,Clay,1.10,
Shale,23.16,Shale,1.25,
Shale,0.64,Shale,1.25,
,,,,
SK38NW204,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Sand and mud,7.62,Sand,2.10,1.32
Clay,4.57,Clay,1.10,
Sandstone,1.52,Sandstone,3.58,
Small stones and clay,15.24,Clay,1.10,
Shale,32,Shale,1.25,
Blue shale,39.04,Shale,1.25,
,,,,
SP08NW475,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top Soil,0.46,Top Soil,1.04,3.24
Grey sand and stones,0.46,Sand,2.10,
Loamy red sand,0.91,Loamy sand,1.50,
Clay,10.21,Clay,1.10,
Large stones,1.52,Pebbles,0.39,
Sandstone,0.91,Sandstone,3.58,
Sandstone,4.42,Sandstone,3.58,
Sandstone,10.21,Sandstone,3.58,
Sandstone,2.29,Sandstone,3.58,
Sandstone,2.44,Sandstone,3.58,
Sandstone,2.9,Sandstone,3.58,
Sandstone,0.91,Sandstone,3.58,
Sandstone,1.98,Sandstone,3.58,
Sandstone,8.69,Sandstone,3.58,
Sandstone,2.74,Sandstone,3.58,
Sandstone,3.05,Sandstone,3.58,
Sandstone,33.99,Sandstone,3.58,
Sandstone,0.91,Sandstone,3.58,
Sandstone,3.05,Sandstone,3.58,
Sandstone,1.83,Sandstone,3.58,
Sandstone,4.57,Sandstone,3.58,
Sandstone,1.55,Sandstone,3.58,
,,,,
SP08NE2358,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.83,Made ground,1.25,3.16
Sand and big stones,4.57,Sand,2.10,
Red sand,0.91,Sand,2.10,
Sandstone,3.35,Sandstone,3.58,
Red marl,0.91,Marl,2.10,
Sandstone,7.92,Sandstone,3.58,
Red marl,2.13,Marl,2.10,
Sandstone,4.57,Sandstone,3.58,
Marl,1.22,Marl,2.10,
Sandstone,3.35,Sandstone,3.58,
Marl,0.91,Marl,2.10,
Sandstone,5.49,Sandstone,3.58,
Marl,0.61,Marl,2.10,
Sandstone,7.92,Sandstone,3.58,
Marl,0.91,Marl,2.10,
Sandstone,9.14,Sandstone,3.58,
Marl,0.61,Marl,2.10,
Sandstone,10.06,Sandstone,3.58,
Conglomerate,1.22,Conglomerate,2.30,
Sandstone,4.88,Sandstone,3.58,
Conglomerate,0.91,Conglomerate,2.30,
Marl,0.61,Marl,2.10,
Sandstone and pebbels,3.05,Sandstone,3.58,
Sandstone,5.18,Sandstone,3.58,
Conglomerate,10.06,Conglomerate,2.30,
Sandstone,2.13,Sandstone,3.58,
Sandstone and pebbels,2.13,Sandstone,3.58,
Sandstone and marl,2.13,Sandstone,3.58,
Marl,1.24,Marl,2.10,
,,,,
SP08SE2,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Marl red,3.66,Marl,2.10,2.09
Loose stones,0.91,Stone,1.70,
Marl red,28.96,Marl,2.10,
Grey loam,0.15,Loam,1.09,
Blue marl,3.66,Marl,2.10,
Hard stone,0.91,Stone,1.70,
Marl red,41.76,Marl,2.10,
Grey loam,0.15,Loam,1.09,
Sandy marl,19.84,Marl,2.10,
,,,,
SP08NE327,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
"Soil, gravel and clay, mixed",2.44,Gravel,1.80,2.07
Loose sand,2.44,Sand,2.10,
Gravel,2.9,Gravel,1.80,
Loose marl,2.74,Marl,2.10,
Red marl,4.88,Marl,2.10,
Rock and slate,1.52,Rock,1.50,
Red marl,2.44,Marl,2.10,
Hard blue rock,0.61,Rock,1.50,
Red marl,3.05,Marl,2.10,
Hard rock,0.91,Rock,1.50,
Hard red marl,6.4,Marl,2.10,
Soft blue marl,0.61,Marl,2.10,
Red marl,0.46,Marl,2.10,
Soft blue rock,0.3,Rock,1.50,
Hard red marl,0.3,Marl,2.10,
Red marl,4.57,Marl,2.10,
Red marl,24.08,Marl,2.10,
Marlstone,0.46,Marlstone,2.76,
Blue marl,1.07,Marl,2.10,
Red marl,6.1,Marl,2.10,
Blue marl,1.52,Marl,2.10,
Red marl,3.05,Marl,2.10,
Red marl,10.06,Marl,2.10,
Marlstone,0.91,Marlstone,2.76,
Red marl,6.1,Marl,2.10,
Blue marl,2.13,Marl,2.10,
Red marl,7.95,Marl,2.10,
,,,,
SP08SE1,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.3,Made ground,1.25,2.1
Sand and pebbles,1.52,Sand,2.10,
Red marl,50.9,Marl,2.10,
Marl,1.52,Marl,2.10,
Marl,4.72,Marl,2.10,
Marl,1.91,Marl,2.10,
Marl,0.91,Marl,2.10,
Marl,38.2,Marl,2.10,
,,,,
SP37NW1046,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Marl,19.81,Marl,2.10,2.92
Sandstone,2.13,Sandstone,3.58,
Marl,2.13,Marl,2.10,
Sandstone,6.4,Sandstone,3.58,
Marl,2.44,Marl,2.10,
Sandstone,7.92,Sandstone,3.58,
Marl,1.83,Marl,2.10,
Sandstone,6.1,Sandstone,3.58,
Marl,3.96,Marl,2.10,
Sandstone,0.91,Sandstone,3.58,
Marl,1.22,Marl,2.10,
Sandstone,0.3,Sandstone,3.58,
Marl,0.91,Marl,2.10,
Sandstone,0.91,Sandstone,3.58,
Marl,0.61,Marl,2.10,
Sandstone,2.13,Sandstone,3.58,
Marl,9.14,Marl,2.10,
Sandstone,6.4,Sandstone,3.58,
Marl,0.61,Marl,2.10,
Sandstone,3.05,Sandstone,3.58,
Marl,0.91,Marl,2.10,
Sandstone,2.13,Sandstone,3.58,
Yellow sandstone,6.71,Sandstone,3.58,
Marl,0.3,Marl,2.10,
Sandstone,3.05,Sandstone,3.58,
Marl,0.61,Marl,2.10,
Sandstone,7.34,Sandstone,3.58,
,,,,
SP19SW77,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Broken Pebbles,9.14,Pebbles,0.39,2.04
Silty clay,6.1,Silty clay,3.76,
Fine brown sand,1.52,Sand,2.10,
Brown marl,38.1,Marl,2.10,
Brown marl,3.05,Marl,2.10,
Brown marl,15.24,Marl,2.10,
Brown marl,6.1,Marl,2.10,
Brown marl,20.75,Marl,2.10,
,,,,
NZ43SE11,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Bricks and fillings,6.1,Brick,0.80,3
Sand,3.05,Sand,2.10,
Sandy clay and sand,16.76,Sandy clay,2.01,
Sand,1.52,Sand,2.10,
Sand,1.52,Sand,2.10,
Sand,1.52,Sand,2.10,
Sand,1.52,Sand,2.10,
Sand,1.52,Sand,2.10,
Limestone,21.34,Limestone,3.59,
Soft limestone,3.05,Limestone,3.59,
Limestone,42.09,Limestone,3.59,
,,,,
TA03SE14A,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Ashes,0.91,Ashes,0.14,1.81
Brown clay,4.57,Clay,1.10,
Blue soft clay,1.68,Blue clay,1.84,
Silt,0.61,Silt,1.10,
Soft clay,0.91,Clay,1.10,
Peat,0.46,Peat,0.08,
Gravel and Clay,1.83,Gravel,1.80,
Chalky gravel,1.22,Gravel,1.80,
Loose chalk and rubbles,5.18,Chalk,1.88,
Chalk with flint,25.3,Chalk,1.88,
Chalk and flint beds,57.33,Chalk,1.88,
,,,,
SK60SW2,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Soil and earth,0.46,Earth,1.50,2.08
Gravel and sand,0.61,Gravel,1.80,
Clay,1.37,Clay,1.10,
Grey-white sandy marl,6.22,Marl,2.10,
Red marl,3.12,Marl,2.10,
Marl and gypsum,5.21,Marl,2.10,
Gypsum and marl,2.31,Marl,2.10,
Marl and inferior gypsum,1.55,Marl,2.10,
Gypsum and marl,1.73,Marl,2.10,
Gypsum and marl,2.44,Marl,2.10,
Marl,3.53,Marl,2.10,
Marl and gypsum,1.14,Marl,2.10,
Marl,1.8,Marl,2.10,
Gypsum and marl,1.91,Marl,2.10,
Marl and thin gypsum,1.63,Marl,2.10,
Marl and thin gypsum,0.97,Marl,2.10,
Marl and thin gypsum,2.01,Marl,2.10,
Marl with gypsum,2.44,Marl,2.10,
Marl with gypsum,2.49,Marl,2.10,
Marl with gypsum,0.61,Marl,2.10,
Marl,2.29,Marl,2.10,
Marl,3.05,Marl,2.10,
Marl,2.29,Marl,2.10,
Marl,3.35,Marl,2.10,
Marl,3.28,Marl,2.10,
Red marl,1.42,Marl,2.10,
Red marl,3.18,Marl,2.10,
Red marl,3.2,Marl,2.10,
Red marl,3.05,Marl,2.10,
Red marl,4.39,Marl,2.10,
Red marl,4.93,Marl,2.10,
Red marl,4.32,Marl,2.10,
Red marl,2.82,Marl,2.10,
Red marl,1.88,Marl,2.10,
Marl,2.62,Marl,2.10,
Marl,2.18,Marl,2.10,
Marl,3.3,Marl,2.10,
Red marl,0.81,Marl,2.10,
Red marl,4.11,Marl,2.10,
,,,,
SK60SW4,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Marl,12.19,Marl,2.10,1.82
Gypsum and grey skerry,3.35,Gypsum,1.60,
Marl,2.74,Marl,2.10,
Gypsum,0.3,Gypsum,1.60,
Marl,0.61,Marl,2.10,
Gypsum,0.61,Gypsum,1.60,
Purple marl and gypsum,1.52,Marl,2.10,
Gypsum and marl,3.05,Gypsum,1.60,
"Gypsum, marl and skerry",6.1,Gypsum,1.60,
Gypsum,0.91,Gypsum,1.60,
"Gypsum and marl, and skerry",5.18,Gypsum,1.60,
Gypsum and grey marls,1.22,Gypsum,1.60,
Purple marl,6.1,Marl,2.10,
Skerry,1.22,Skerry,1.60,
Gypsum and marl,5.18,Gypsum,1.60,
Sandstone,0.91,Sandstone,3.58,
"Gypsum, marl, and skerry",26.52,Gypsum,1.60,
Grey sandstone,1.52,Sandstone,3.58,
"Gypsum, marl, and skerry",9.14,Gypsum,1.60,
Red and grey marl,1.83,Marl,2.10,
Hard grey marl,1.22,Marl,2.10,
Grey marl,1.22,Marl,2.10,
Red and grey marl,7.32,Marl,2.10,
Grey marl,0.03,Marl,2.10,
,,,,
ST57SE62,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Loam,10.97,Loam,1.09,1.51
Sandstone,12.34,Sandstone,3.58,
Shale,31.24,Shale,1.25,
COAL,0.46,COAL,0.20,
Clay,19.35,Clay,1.10,
Stone,1.07,Stone,1.70,
Shale,0.3,Shale,1.25,
Stone,0.3,Stone,1.70,
Shale,7.47,Shale,1.25,
Stone,5.03,Stone,1.70,
Clay,1.98,Clay,1.10,
Shale,9.47,Shale,1.25,
,,,,
SU67SE443,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Reading beds,5.33,Woolwich and Reading beds,2.10,1.89
Chalk,88.85,Chalk,1.88,
Chalk rock,4.42,Chalk,1.88,
Chalk,1.4,Chalk,1.88,
,,,,
SZ69NW72,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Granite sets,0.15,Granite,2.85,1.75
Sand,0.46,Sand,2.10,
Made ground,0.91,Made ground,1.25,
Brown clay,1.83,Clay,1.10,
Ballast,1.98,Ballast,0.38,
Kingle,0.91,Kingle,3.58,
Blue sandy clay,16.31,Blue clay,1.84,
Blue clay,3.2,Blue clay,1.84,
Blue sandy clay,10.82,Sandy clay,2.01,
Sand,3.96,Sand,2.10,
Sandy clay,8.23,Sandy clay,2.01,
Sandy clay,12.19,Sandy clay,2.01,
Blue clay,0.91,Blue clay,1.84,
Clay,17.07,Clay,1.10,
Stone,0.3,Stone,1.70,
Grey sand,1.22,Sand,2.10,
Blue clay,19.53,Blue clay,1.84,
,,,,
SU60SW100,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Grey sand,3.66,Sand,2.10,2
Reading clay,51.21,Woolwich and Reading beds,2.10,
Chalk and flints,45.14,Chalk,1.88,
,,,,
SZ69NW68,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground and gravel,5.79,Made ground,1.25,1.38
Bracklesham beds (clays),52.58,Clay,1.10,
Sand,5.03,Sand,2.10,
loamy sand,11.89,loamy sand,1.50,
Lower Bagshot sand,9.75,Sand,2.10,
London clay,14.96,London clay,1.60,
,,,,
TQ09NE76,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.61,Made ground,1.25,1.83
Ballast,4.42,Ballast,0.38,
Chalk,6.55,Chalk,1.88,
Bed of flints,1.22,Flints,3.50,
Chalk and flints,36.27,Chalk,1.88,
Block chalk,2.74,Chalk,1.88,
Grey chalk,31.7,Chalk,1.88,
Hard grey chalk,12.5,Chalk,1.88,
Black chalk,3.99,Chalk,1.88,
,,,,
TQ97SW9C,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.91,Made ground,1.25,1.68
Drift,13.41,Drift,2.23,
London clay,85.67,London clay,1.60,
,,,,
SP76SE569,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Northampton sand,5.49,Sand,2.10,1.7
Blue clay,43.59,Blue clay,1.84,
Green rock,0.61,Rock,1.50,
Hard clay,0.76,Clay,1.10,
Green rock,0.15,Rock,1.50,
Rock,1.07,Rock,1.50,
Shale,0.46,Shale,1.25,
Rock,1.22,Rock,1.50,
Rock,1.52,Rock,1.50,
Rock,1.07,Rock,1.50,
Clay,2.44,Clay,1.10,
Rock,0.76,Rock,1.50,
Rock,1.07,Rock,1.50,
Rock,0.46,Rock,1.50,
Clay,6.1,Clay,1.10,
Rock,0.23,Rock,1.50,
Blue clay,2.51,Blue clay,1.84,
Rock,0.3,Rock,1.50,
Blue clay,2.59,Blue clay,1.84,
Rock,0.15,Rock,1.50,
Blue clay,10.06,Blue clay,1.84,
Blue clay,1.22,Blue clay,1.84,
Rock,0.1,Rock,1.50,
Clay,0.15,Clay,1.10,
Shell,0.05,Shell,1.59,
Blue clay,1.22,Blue clay,1.84,
Shell,0.05,Shell,1.59,
Blue clay,5.44,Blue clay,1.84,
Shell,0.05,Shell,1.59,
Clay,7.72,Clay,1.10,
Rock,0.05,Rock,1.50,
Limestone,0.46,Limestone,3.59,
Blue clay,0.89,Blue clay,1.84,
,,,,
TQ37NW774,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Surface soil,0.61,Made ground,1.25,1.78
Gravel,5.49,Gravel,1.80,
London clay,15.85,London clay,1.60,
Clay and stones,1.83,Clay,1.10,
Green sand and stones,6.71,Sand,2.10,
Thanet sand,9.45,Thanet sand,1.27,
Flints and pebbles,0.3,Flints,3.50,
Chalk and flints,59.77,Chalk,1.88,
,,,,
TQ38SW3113,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Gravel,3.66,Gravel,1.80,1.82
Blue clay,28.04,Blue clay,1.84,
Mottled clay,6.4,Mottled clay,2.10,
Sandy clay,10.67,Sandy clay,2.01,
Thanet sand,12.8,Thanet sand,1.27,
Green flints,0.15,Flints,3.50,
Chalk and flint,38.28,Chalk,1.88,
,,,,
TQ38SE28,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,4.57,Made ground,1.25,1.88
Clay,1.52,Clay,1.10,
Gravel,7.62,Gravel,1.80,
Clear sand,9.14,Sand,2.10,
Sand and shells,13.72,Sand,2.10,
Chalk,63.42,Chalk,1.88,
,,,,
TQ37NE53,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.44,Made ground,1.25,1.76
Marsh clay,2.59,Clay,1.10,
Clay,3.66,Clay,1.10,
Ballast,1.52,Ballast,0.38,
Sand and gravel,0.61,Sand,2.10,
Rough ballast,3.05,Ballast,0.38,
Grey sand,6.55,Sand,2.10,
Chalk and flints,2.13,Chalk,1.88,
Hard chalk and flints,27.43,Chalk,1.88,
Mild chalk,5.18,Chalk,1.88,
Hard chalk and flints,40.54,Chalk,1.88,
Very hard chalk and flints,4.29,Chalk,1.88,
,,,,
TQ27NE525,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,6.4,Made ground,1.25,1.71
Gravel,0.3,Gravel,1.80,
London clay,38.4,London clay,1.60,
Woolwich and Reading beds,18.59,Woolwich and Reading beds,2.10,
Thanet sand,10.97,Thanet sand,1.27,
Chalk and flints,25.32,Chalk,1.88,
,,,,
TQ37NW2574,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,1.22,Made ground,1.25,1.77
Sand,0.3,Sand,2.10,
Sand and ballast,3.96,Sand,2.10,
Ballast,3.66,Ballast,0.38,
London clay,8.23,London clay,1.60,
Woolwich and Reading beds,16.15,Woolwich and Reading beds,2.10,
Thanet sand,12.19,Thanet sand,1.27,
Chalk,54.28,Chalk,1.88,
,,,,
TQ37NW104,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Clay,3.96,Clay,1.10,1.87
Sand,1.52,Sand,2.10,
Gravel,2.9,Gravel,1.80,
London clay,11.43,London clay,1.60,
Woolwich and Reading beds,24.38,Woolwich and Reading beds,2.10,
Chalk,55.8,Chalk,1.88,
,,,,
TQ17NE273,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.44,Made ground,1.25,1.77
Drift,6.1,Drift,2.23,
London clay,61.57,London clay,1.60,
Woolwich and Reading beds,24.38,Woolwich and Reading beds,2.10,
Chalk,5.51,Chalk,1.88,
,,,,
TQ27NE88,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Ballast,4.72,Ballast,0.38,1.75
London clay,41.76,London clay,1.60,
Woolwich and Reading beds,29.72,Woolwich and Reading beds,2.10,
Thanet sand,1.37,Thanet sand,1.27,
Chalk,22.43,Chalk,1.88,
,,,,
TQ27NE81B,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Pit,2.74,Peat,0.08,1.73
Sand and gravel,5.49,Sand,2.10,
Coarse gravel,1.22,Gravel,1.80,
London clay,37.57,London clay,1.60,
Woolwich and Reading beds,21.26,Woolwich and Reading beds,2.10,
Thanet sand,8,Thanet sand,1.27,
Upper Chalk,23.72,Chalk,1.88,
,,,,
TQ27NE190,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,51.82,London clay,1.60,1.71
Woolwich and Reading beds,20.12,Woolwich and Reading beds,2.10,
Thanet sand,11.58,Thanet sand,1.27,
Upper Chalk,16.48,Chalk,1.88,
,,,,
TQ38NW25,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
London clay,31.09,London clay,1.60,1.85
Reading and Thanet beds,23.77,Sand,2.10,
Chalk,45.14,Chalk,1.88,
,,,,
SP08NE2382,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,2.44,Made ground,1.25,3.35
Sand,8.23,Sand,2.10,
Sandstone,32.31,Sandstone,3.58,
Sandstone,17.98,Sandstone,3.58,
Marl,0.3,Marl,2.10,
Sandstone,21.95,Sandstone,3.58,
Marl,0.91,Marl,2.10,
Sandstone,7.01,Sandstone,3.58,
Marl,2.44,Marl,2.10,
Sandstone,6.43,Sandstone,3.58,
,,,,
SP08SE339,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Red marl,53.04,Marl,2.10,2.1
Red marl,28.04,Marl,2.10,
Red marl,10.36,Marl,2.10,
Red and grey marls,8.56,Marl,2.10,
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TQ47NW282,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Made ground,0.46,Made ground,1.25,1.91
Sand,1.91,Sand,2.10,
Sand,14.02,Sand,2.10,
Hard sand,0.23,Sand,2.10,
Chalk with flint,83.39,Chalk,1.88,
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TQ28NE6,,,,
Geological classification,Range of 100m,Simplified soil/rock,Thermal conductivity,Average Thermal Conductivity in 100m
,m,,W/m/K,W/m/K
Top soil,2.13,Top soil,1.04,1.59
London clay,97.87,London clay,1.60,