Summary of Exploratory Hole Records Obtained from HA GDMS Reports

Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 2956 009 1822:009 1822 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1825:009 1825 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1830:009 1830 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1831:009 1831 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1835:009 1835 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1837:009 1837 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1838:009 1838 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1841:009 1841 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1844:009 1844 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1846:009 1846 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1847:009 1847 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1853:009 1853 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1861:009 1861 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1864:009 1864 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1873:009 1873 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1874:009 1874 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1877:009 1877 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1881:009 1881 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1884:009 1884 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1886:009 1886 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1890:009 1890 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1891:009 1891 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1894:009 1894 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1895:009 1895 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1900:009 1900 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1902:009 1902 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1904:009 1904 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1906:009 1906 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1912:009 1912 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1919:009 1919 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1922:009 1922 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1923:009 1923 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1924:009 1924 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1928:009 1928 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1968:009 1968 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1969:009 1969 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1970:009 1970 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1971:009 1971 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1972:009 1972 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1973:009 1973 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1974:009 1974 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1975:009 1975 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1976:009 1976 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1977:009 1977 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1978:009 1978 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1979:009 1979 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1980:009 1980 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1981:009 1981 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1982:009 1982 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1983:009 1983 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 2956 009 1984:009 1984 Proposed London Outer Orbital Road River Thames to M4 Interchange 1976 Wimpey Laboratories Limited 3268 019 BH102:019 BH102 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH103:019 BH103 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH105:019 BH105 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH106:019 BH106 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH108:019 BH108 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH109:019 BH109 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH111:019 BH111 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH112:019 BH112 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH116:019 BH116 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 3268 019 BH117:019 BH117 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH119:019 BH119 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH120:019 BH120 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 BH122:019 BH122 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T101:019 T101 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T104:019 T104 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T107:019 T107 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T107A:019 T107A Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T108/T108A:019 T108/T108A Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T110:019 T110 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T113/T113A:019 T113/T113A Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T114:019 T114 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 TP115:019 TP115 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 T118/T118A:019 T118/T118A Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3268 019 TP121:019 TP121 Early Implementation Scheme Rapid Widening, Junction 4B to 5 1992 Harrison & Company (Soil and Foundation Engineers) Limited 3269 020 BHGE32:020 BHGE32 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE13:020 BHGE13 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE34:020 BHGE34 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE14:020 BHGE14 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE1:020 BHGE1 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE10:020 BHGE10 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE2:020 BHGE2 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE21:020 BHGE21 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE3:020 BHGE3 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE23:020 BHGE23 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE31:020 BHGE31 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE24:020 BHGE24 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE4:020 BHGE4 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE5:020 BHGE5 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE6:020 BHGE6 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE9:020 BHGE9 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHE6:020 BHE5 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHE7:020 BHE6 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHE5:020 BHE7 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHE8:020 BHE8 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BH2/1:020 BH2/1 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. Unknown 3269 020 BH1/1:020 BH1/1 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. Unknown 3269 020 BH123:020 BH123 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE15:020 BHGE15 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 3269 020 BHGE16:020 BHGE16 M4 Motorway and Trunk Improvements M25 to Maidenhead, Preliminary Sources Study Report. 1993a Unknown 4157 163 2151:163 2151 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2152:163 2152 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2310:163 2310 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2314:163 2314 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2400:163 2400 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2404:163 2404 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2500:163 2500 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2602:163 2602 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2604:163 2604 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2700:163 2700 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2804:163 2804 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2811:163 2811 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4157 163 2812:163 2812 M25 (a) Motorway - Poyle to M4 and M4/M25 Interchange 1980 Geo-Research Limited 4181 027 B8/11:027 B8/11 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B8/12:027 B8/12 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B8/21:027 B8/21 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B8/22:027 B8/22 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B9/12:027 B9/12 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B9/21:027 B9/21 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B9/22:027 B9/22 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 4181 027 B0/11:027 B0/11 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B0/12:027 B0/12 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B1/11:027 B1/11 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B1/12:027 B1/12 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B1/13:027 B1/13 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B1/14:027 B1/14 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 B1/14A:027 B1/14A London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R8/1:027 R8/1 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R8/2:027 R8/2 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R8/3:027 R8/3 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R8/4:027 R8/4 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R8/5:027 R8/5 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R8/6:027 R8/6 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R8/7:027 R8/7 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/1:027 R9/1 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/2:027 R9/2 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/3:027 R9/3 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/4:027 R9/4 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/5:027 R9/5 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/6:027 R9/6 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/7:027 R9/7 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/8:027 R9/8 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R9/9:027 R9/9 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R0/1:027 R0/1 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R0/2:027 R0/2 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R0/3:027 R0/3 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R0/6:027 R0/6 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R1/1:027 R1/1 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 R1/2:027 R1/2 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 MR/1:027 MR/1 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 4181 027 BR/1:027 BR/1 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 13468 035 BH1:035 BH1 Cutbridge, Maidenhead 1995 Contest Melbourne Weeks Limited 13468 035 BH2:035 BH2 Cutbridge, Maidenhead 1995 Contest Melbourne Weeks Limited 16774 039 BH12/1:039 BH12/1 Junction 12 of the M4 2001b Norwest Holst Soil Engineering Ltd 16774 039 BH12/2:039 BH12/2 Junction 12 of the M4 2001b Norwest Holst Soil Engineering Ltd 16774 039 BH12/3:039 BH12/3 Junction 12 of the M4 2001b Norwest Holst Soil Engineering Ltd 16774 039 BH12/4:039 BH12/4 Junction 12 of the M4 2001b Norwest Holst Soil Engineering Ltd 16774 039 BH12/5:039 BH12/5 Junction 12 of the M4 2001b Norwest Holst Soil Engineering Ltd 16774 039 BH12/6:039 BH12/6 Junction 12 of the M4 2001b Norwest Holst Soil Engineering Ltd 16774 039 BH12/7:039 BH12/7 Junction 12 of the M4 2001b Norwest Holst Soil Engineering Ltd 16774 039 BH12/8:039 BH12/8 Junction 12 of the M4 2001b Norwest Holst Soil Engineering Ltd 17110 042 BH1:042 BH1 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS1:042 WS1 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS2:042 WS2 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS3:042 WS3 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS4:042 WS4 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS5:042 WS5 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS6:042 WS6 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS7:042 WS7 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS8:042 WS8 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17110 042 WS9:042 WS9 M4 Junction 8/9 Holyport GI 2001c Soil Mechanics 17283 044 BH285:044 BH285 M25 Heston to Godstone Control Offices - Additional CCTV Camera Sites Ground Investigation 1992b Ground Engineering 18152 051 BH16:051 BH16 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH17:051 BH17 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH18:051 BH18 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH20:051 BH20 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH44:051 BH44 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH52:051 BH52 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH54:051 BH54 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH63:051 BH63 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 18152 051 BH75:051 BH75 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH78:051 BH78 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH82:051 BH82 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH93:051 BH93 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH96:051 BH96 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH138:051 BH138 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH140:051 BH140 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH144:051 BH144 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH162:051 BH162 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH163:051 BH163 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH169:051 BH169 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH174:051 BH174 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH175:051 BH175 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH180A:051 BH180A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH181:051 BH181 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH181A:051 BH181A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH182:051 BH182 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH183:051 BH183 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH205:051 BH205 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH206:051 BH206 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH209:051 BH209 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH210:051 BH210 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH217:051 BH217 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH220:051 BH220 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH222:051 BH222 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH223:051 BH223 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH225:051 BH225 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH226:051 BH226 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH228:051 BH228 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH234:051 BH234 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH235:051 BH235 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH239:051 BH239 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BH252:051 BH252 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP1:051 TP1 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP38:051 TP38 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP46:051 TP46 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP51:051 TP51 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP64:051 TP64 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP66:051 TP66 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP67:051 TP67 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP72:051 TP72 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP76:051 TP76 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP84:051 TP84 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP86:051 TP86 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP98:051 TP98 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP137:051 TP137 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP142:051 TP142 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP145:051 TP145 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP160:051 TP160 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP167:051 TP167 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP170:051 TP170 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TP178:051 TP178 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT5:051 TT5 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT7:051 TT7 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT19:051 TT19 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT24:051 TT24 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT25:051 TT25 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT32:051 TT32 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT45:051 TT45 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT47:051 TT47 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 18152 051 TT53:051 TT53 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT56:051 TT56 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT61:051 TT61 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT62:051 TT62 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT70:051 TT70 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT73:051 TT73 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT77:051 TT77 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT79:051 TT79 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT81:051 TT81 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT244:051 TT244 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT245:051 TT245 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 TT248:051 TT248 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 18152 051 BHC116:051 BHC116 M4 Widening M25 (Junction 4b) to Junction 8(9) 1992 Unknown 18152 051 BHC25:051 BHC25 M4 Widening M25 (Junction 4b) to Junction 8(9) 1992 Unknown 18152 051 BHG25:051 BHG25 M4 Widening M25 (Junction 4b) to Junction 8(9) 1992 Unknown 18152 051 BHGE13:051 BHGE13 M4 Widening M25 (Junction 4b) to Junction 8(9) 1993 Unknown 18152 051 BHGE14:051 BHGE14 M4 Widening M25 (Junction 4b) to Junction 8(9) 1993 Unknown 18152 051 BHX121:051 BHX121 M4 Widening M25 (Junction 4b) to Junction 8(9) 1993 Unknown 18152 051 BHX122:051 BHX122 M4 Widening M25 (Junction 4b) to Junction 8(9) 1993 Unknown 18188 053 BH17:053 BH17 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH18:053 BH18 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH19:053 BH19 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH20:053 BH20 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH21:053 BH21 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH22:053 BH22 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH31:053 BH31 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH32:053 BH32 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH33:053 BH33 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18188 053 BH34:053 BH34 M4 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1990 C J Associates 18190 055 BH13:055 BH13 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1991a Ground Explorations Limited 18190 055 BH14:055 BH14 Maidenhead, Windsor and Eton Flood Alleviation Scheme 1991a Ground Explorations Limited 18718 057 TP15/01:057 TP15/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP15/06:057 TP15/06 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/01:057 WS15/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/02:057 WS15/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/03:057 WS15/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/04:057 WS15/04 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/05:057 WS15/05 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/06:057 WS15/06 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/07:057 WS15/07 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/07A:057 WS15/07A M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/08:057 WS15/08 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/09:057 WS15/09 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/10:057 WS15/10 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/11:057 WS15/11 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/12:057 WS15/12 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS15/14:057 WS15/14 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP16/01:057 TP16/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP16/02:057 TP16/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS16/01:057 WS16/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS16/02:057 WS16/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS16/03:057 WS16/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP17/01:057 TP17/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP17/02:057 TP17/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP17/05:057 TP17/05 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS17/01:057 WS17/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS17/02:057 WS17/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS17/03:057 WS17/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS17/04:057 WS17/04 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS17/05:057 WS17/05 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 18718 057 WS17/06:057 WS17/06 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS17/07:057 WS17/07 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS17/08:057 WS17/08 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP19/01:057 TP19/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP19/02:057 TP19/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS19/01:057 WS19/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS19/02:057 WS19/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS19/03:057 WS19/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP20/01:057 TP20/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP20/02:057 TP20/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS20/01:057 WS20/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS20/02:057 WS20/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS20/03:057 WS20/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS20/04:057 WS20/04 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS20/05:057 WS20/05 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS20/06:057 WS20/06 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP29/01:057 TP29/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP29/02:057 TP29/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP29/03:057 TP29/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP29/04:057 TP29/04 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP29/05:057 TP29/05 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP29/06:057 TP29/06 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP29/07:057 TP29/07 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/01:057 WS29/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/02:057 WS29/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/03:057 WS29/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/04:057 WS29/04 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/05:057 WS29/05 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/06:057 WS29/06 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/07:057 WS29/07 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/08:057 WS29/08 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/09:057 WS29/09 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/10:057 WS29/10 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/11:057 WS29/11 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/12:057 WS29/12 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/13:057 WS29/13 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/14:057 WS29/14 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/15:057 WS29/15 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/16:057 WS29/16 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/17:057 WS29/17 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/18:057 WS29/18 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/19:057 WS29/19 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/20:057 WS29/20 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/21:057 WS29/21 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/22:057 WS29/22 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/23:057 WS29/23 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/24:057 WS29/24 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/25:057 WS29/25 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS29/26:057 WS29/26 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 TP80/01:057 TP80/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/01:057 WS80/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/02:057 WS80/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/03:057 WS80/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/04:057 WS80/04 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/05:057 WS80/05 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/06:057 WS80/06 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/07:057 WS80/07 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/08:057 WS80/08 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WS80/09:057 WS80/09 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WSJ89/01:057 WSJ89/01 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 18718 057 WSJ89/02:057 WSJ89/02 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WSJ89/03:057 WSJ89/03 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18718 057 WSJ89/04:057 WSJ89/04 M4 Class 1 Earthworks Defects Junction 5 to 10 2004c Norwest Holst Soil Engineering Ltd 18861 063 2301:063 2301 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2302:063 2302 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2303:063 2303 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2305:063 2305 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2307:063 2307 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2311:063 2311 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2313:063 2313 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2314:063 2314 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2315:063 2315 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2316:063 2316 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2317:063 2317 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2318:063 2318 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2319:063 2319 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2320:063 2320 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2321:063 2321 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2801:063 2801 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2803:063 2803 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2805:063 2805 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18861 063 2807:063 2807 Proposed Widening of the M4 Motorway between Sipson Road and the M25 1983b Wimpey Laboratories Limited 18863 064 B5/71:064 B5/71 Winnersh Interchange 1969b Fitzpatrick 18863 064 B5/73:064 B5/73 Winnersh Interchange 1969b Fitzpatrick 18863 064 B5/75:064 B5/75 Winnersh Interchange 1969b Fitzpatrick 18863 064 B5/78:064 B5/78 Winnersh Interchange 1969b Fitzpatrick 18863 064 BW/20:064 BW/20 Winnersh Interchange 1969b Fitzpatrick 18863 064 BW/24:064 BW/24 Winnersh Interchange 1969b Fitzpatrick 18863 064 RW/10:064 RW/10 Winnersh Interchange 1969b Fitzpatrick 18863 064 RW/11:064 RW/11 Winnersh Interchange 1969b Fitzpatrick 19230 065 HFBH01:065 HFBH01 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFBH02:065 HFBH02 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFBH03:065 HFBH03 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFBH04:065 HFBH04 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFTP01/HFMTP01:065HFTP01/HFMTP01 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFTP02/HFMTP02:065HFTP02/HFMTP02 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFTP03/HFMTP03:065HFTP03/HFMTP03 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFTP04/HFMTP04:065HFTP04/HFMTP04 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFTP05:065 HFTP05 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFSP01:065 HFSP01 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFSP02:065 HFSP02 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFSP03:065 HFSP03 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19230 065 HFSP04/HFMSP04:065HFSP04/HFMSP04 M4 Hams Farm Footbridge 2005b Norwest Holst Soil Engineering Ltd 19261 067 WS01:067 WS01 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS02:067 WS02 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS03:067 WS03 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS04:067 WS04 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS05:067 WS05 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS06:067 WS06 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS07:067 WS07 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS08:067 WS08 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS09:067 WS09 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS10:067 WS10 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS11:067 WS11 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS12:067 WS12 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS13:067 WS13 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS14:067 WS14 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS15:067 WS15 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS16:067 WS16 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 WS17:067 WS17 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 19261 067 WS18:067 WS18 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 TP01:067 TP01 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 TP02:067 TP02 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 TP03:067 TP03 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 TP04:067 TP04 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 067 TP05:067 TP05 M4 Class 1 Earthworks Defects Marker Post 47.5 to 47.0 2004a Norwest Holst Soil Engineering Ltd 19261 069 WSK01:069 WSK01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK02:069 WSK02 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK03:069 WSK03 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK04:069 WSK04 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK05:069 WSK05 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK06:069 WSK06 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK07:069 WSK07 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK08:069 WSK08 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK09:069 WSK09 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK10:069 WSK10 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK11:069 WSK11 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK12:069 WSK12 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK13:069 WSK13 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK14:069 WSK14 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK15:069 WSK15 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK16:069 WSK16 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK17:069 WSK17 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK18:069 WSK18 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK19:069 WSK19 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK20:069 WSK20 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSK21:069 WSK21 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 TPK01:069 TPK01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 TPK02:069 TPK02 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 TPK03:069 TPK03 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL01:069 WSL01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL02:069 WSL02 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL03:069 WSL03 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL04:069 WSL04 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL05:069 WSL05 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL06:069 WSL06 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL07:069 WSL07 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL08:069 WSL08 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSL09:069 WSL09 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 TPL01:069 TPL01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM01:069 WSM01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM01A:069 WSM01A M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM02:069 WSM02 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM03:069 WSM03 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM04:069 WSM04 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM05:069 WSM05 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM06:069 WSM06 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM07:069 WSM07 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSM08:069 WSM08 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSN01:069 WSN01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSN02:069 WSN02 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSN03:069 WSN03 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSN04:069 WSN04 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSN05:069 WSN05 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSN06:069 WSN06 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSN07:069 WSN07 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSN08:069 WSN08 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 TPN01:069 TPN01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP01:069 WSP01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP02:069 WSP02 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 19261 069 WSP03:069 WSP03 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP04:069 WSP04 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP05:069 WSP05 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP06:069 WSP06 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP07:069 WSP07 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP08:069 WSP08 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP09:069 WSP09 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP10:069 WSP10 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP11:069 WSP11 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP12:069 WSP12 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSP13:069 WSP13 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 TPP01:069 TPP01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSQ01:069 WSQ01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSQ02:069 WSQ02 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSQ03:069 WSQ03 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSQ04:069 WSQ04 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSQ05:069 WSQ05 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSQ06:069 WSQ06 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSR01:069 WSR01 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSR02:069 WSR02 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 WSR03:069 WSR03 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 069 TPR04:069 TPR04 M4 Class 1 Earthworks Defects Junction 10 to 12 2004b Norwest Holst Soil Engineering Ltd 19261 068 BH01:068 BH01 M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 BH02:068 BH02 M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 IP01:068 IP01 M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 TP01A:068 TP01A M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 IP02:068 IP02 M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 IP03:068 IP03 M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 TP03A:068 TP03A M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 IP04:068 IP04 M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 TP04A:068 TP04A M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 IP05:068 IP05 M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19261 068 TP05A:068 TP05A M4 Class 1 Earthworks Defects J5 to 10 (Addendum) 2005a Norwest Holst Soil Engineering Ltd 19446 074 2128/2128A:074 2128/2128A M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2152/2152A:074 2152/2152A M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2310/2310A:074 2310/2310A M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2000:074 TP2000 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2004:074 TP2004 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2012:074 TP2012 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2018:074 TP2018 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2028:074 TP2028 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2032:074 TP2032 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2036:074 TP2036 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2038:074 TP2038 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2052:074 TP2052 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2054:074 TP2054 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2058:074 TP2058 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2062:074 TP2062 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2151:074 TP2151 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2400:074 TP2400 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2402:074 TP2402 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2404:074 TP2404 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2406:074 TP2406 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2410:074 TP2410 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2416:074 TP2416 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2500:074 TP2500 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2602:074 TP2602 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2604:074 TP2604 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2700:074 TP2700 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2800:074 TP2800 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 19446 074 TP2802:074 TP2802 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2804:074 TP2804 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2806:074 TP2806 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2808:074 TP2808 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2809:074 TP2809 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2810:074 TP2810 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2811:074 TP2811 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2812:074 TP2812 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2813:074 TP2813 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 TP2814:074 TP2814 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2002:074 2002 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2007:074 2007 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2008:074 2008 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2009:074 2009 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2010:074 2010 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2014:074 2014 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2016:074 2016 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2020:074 2020 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2022:074 2022 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2024:074 2024 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2026:074 2026 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2030:074 2030 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2034:074 2034 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2040:074 2040 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2042:074 2042 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2044:074 2044 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2046:074 2046 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2048:074 2048 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2050:074 2050 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2056:074 2056 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2060:074 2060 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2100:074 2100 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2102:074 2102 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2104:074 2104 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2106:074 2106 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2108:074 2108 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2110:074 2110 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2112:074 2112 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2114:074 2114 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2115:074 2115 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2116:074 2116 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2118:074 2118 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2120:074 2120 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2122:074 2122 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2124:074 2124 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2130:074 2130 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2132:074 2132 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2134:074 2134 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2136:074 2136 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2138:074 2138 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2142:074 2142 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2144:074 2144 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2145:074 2145 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2146:074 2146 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2147:074 2147 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2148:074 2148 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2149:074 2149 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2150:074 2150 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2153:074 2153 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2154:074 2154 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 19446 074 2155:074 2155 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2156:074 2156 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2157:074 2157 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2158:074 2158 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2159:074 2159 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2160:074 2160 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2162:074 2162 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2164:074 2164 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2166:074 2166 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2168:074 2168 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2170:074 2170 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2172:074 2172 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2174:074 2174 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2176:074 2176 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2178:074 2178 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2180:074 2180 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2184:074 2184 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2186:074 2186 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2188:074 2188 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2190:074 2190 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2192:074 2192 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2194:074 2194 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2196:074 2196 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2200:074 2200 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2300:074 2300 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2302:074 2302 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2304:074 2304 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2306:074 2306 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2308:074 2308 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2309:074 2309 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2312:074 2312 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2330:074 2330 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2408:074 2408 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2414:074 2414 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2418:074 2418 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2600:074 2600 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2702:074 2702 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2704:074 2704 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2706:074 2706 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2714:074 2714 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2716:074 2716 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2718:074 2718 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2720:074 2720 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 19446 074 2900:074 2900 M25 Motorway - Poyle to M4 and M4/M25 Interchange 1979 Geo-Research Limited 20110 076 BH5/01:076 BH5/01 M4 Phase 5 2004d C J Associates 20110 076 BH5/02:076 BH5/02 M4 Phase 5 2004d C J Associates 20110 076 BH5/03:076 BH5/03 M4 Phase 5 2004d C J Associates 20110 076 BH5/04:076 BH5/04 M4 Phase 5 2004d C J Associates 20110 076 BH5/05:076 BH5/05 M4 Phase 5 2004d C J Associates 20110 076 BH5/06:076 BH5/06 M4 Phase 5 2004d C J Associates 20110 076 BH5/07:076 BH5/07 M4 Phase 5 2004d C J Associates 20110 076 BH5/08:076 BH5/08 M4 Phase 5 2004d C J Associates 20110 076 BH5/09:076 BH5/09 M4 Phase 5 2004d C J Associates 20110 076 BH5/10:076 BH5/10 M4 Phase 5 2004d C J Associates 20110 076 BH5/11:076 BH5/11 M4 Phase 5 2004d C J Associates 20110 076 BH5/12:076 BH5/12 M4 Phase 5 2004d C J Associates 20110 076 BH5/13:076 BH5/13 M4 Phase 5 2004d C J Associates 20110 076 BH5/14:076 BH5/14 M4 Phase 5 2004d C J Associates 20110 076 BH5/15:076 BH5/15 M4 Phase 5 2004d C J Associates 20110 076 BH5/16:076 BH5/16 M4 Phase 5 2004d C J Associates Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 20110 076 WS5/56:076 WS5/56 M4 Phase 5 2004d C J Associates 20110 076 WS5/57:076 WS5/57 M4 Phase 5 2004d C J Associates 20110 076 WS5/58:076 WS5/58 M4 Phase 5 2004d C J Associates 20110 076 TP5/03:076 TP5/03 M4 Phase 5 2004d C J Associates 20110 076 TP5/39:076 TP5/39 M4 Phase 5 2004d C J Associates 20119 079 BH1:079 BH1 Cut Bush M4 2005c C J Associates 20119 079 TP1:079 TP1 Cut Bush M4 2005c C J Associates 20119 079 TP2:079 TP2 Cut Bush M4 2005c C J Associates 20119 079 TP3:079 TP3 Cut Bush M4 2005c C J Associates 20561 102 BH1:102 BH1 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH2:102 BH2 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH3:102 BH3 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH4:102 BH4 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH5:102 BH5 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH6:102 BH6 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH7:102 BH7 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH8:102 BH8 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH9:102 BH9 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH10:102 BH10 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH11:102 BH11 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH12:102 BH12 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH13:102 BH13 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH14:102 BH14 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH15:102 BH15 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH16:102 BH16 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH17:102 BH17 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH18:102 BH18 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH19:102 BH19 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH20:102 BH20 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH21:102 BH21 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH22:102 BH22 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH23:102 BH23 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH24:102 BH24 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS1:102 WS1 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS2:102 WS2 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS3:102 WS3 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS4:102 WS4 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS5:102 WS5 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS7A:102 WS7A M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS8:102 WS8 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS10:102 WS10 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS11:102 WS11 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS13:102 WS13 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS14:102 WS14 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS15:102 WS15 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS15B:102 WS15B M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS16:102 WS16 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS17:102 WS17 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS18:102 WS18 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS18B:102 WS18B M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS19:102 WS19 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS20:102 WS20 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS21:102 WS21 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS22:102 WS22 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS24:102 WS24 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS25:102 WS25 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS26:102 WS26 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 WS27:102 WS27 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006a C J Associates 20561 102 BH25:102 BH25 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 BH26:102 BH26 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 20561 102 BH27:102 BH27 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 BH29:102 BH29 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 BH30:102 BH30 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS28:102 WS28 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS29:102 WS29 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS30:102 WS30 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS31:102 WS31 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS32:102 WS32 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS33:102 WS33 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS34:102 WS34 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS35:102 WS35 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS35A:102 WS35A M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS36:102 WS36 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS37:102 WS37 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS38:102 WS38 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS39:102 WS39 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS40:102 WS40 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS41:102 WS41 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS42:102 WS42 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS43:102 WS43 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS44:102 WS44 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS45:102 WS45 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS46:102 WS46 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS47:102 WS47 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS48:102 WS48 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS49:102 WS49 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS50:102 WS50 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS51:102 WS51 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS52:102 WS52 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS53:102 WS53 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS54:102 WS54 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS55:102 WS55 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS56:102 WS56 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS57:102 WS57 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS58:102 WS58 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS59:102 WS59 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS60:102 WS60 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS61:102 WS61 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS62:102 WS62 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS63:102 WS63 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS64:102 WS64 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS65:102 WS65 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS66:102 WS66 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS67:102 WS67 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS68:102 WS68 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS69:102 WS69 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS70:102 WS70 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS70A:102 WS70A M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS70B:102 WS70B M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS71:102 WS71 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS72:102 WS72 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS73:102 WS73 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS74:102 WS74 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS75:102 WS75 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 20561 102 WS76:102 WS76 M4 MMIS Junctions 10 to 12. M4 NMIS Phase 6 Ground Investigation Part 2 2006b C J Associates 21004 105 BH2:105 BH2 M4 Junctions 5 to 8/9 – M4 NMIS CCTV Design Phase 1 Maidenhead 2005d C J Associates 21004 105 BH4:105 BH4 M4 Junctions 5 to 8/9 – M4 NMIS CCTV Design Phase 1 Maidenhead 2005d C J Associates 21004 105 BH5:105 BH5 M4 Junctions 5 to 8/9 – M4 NMIS CCTV Design Phase 1 Maidenhead 2005d C J Associates 21004 105 BH6:105 BH6 M4 Junctions 5 to 8/9 – M4 NMIS CCTV Design Phase 1 Maidenhead 2005d C J Associates 21004 105 BH7:105 BH7 M4 Junctions 5 to 8/9 – M4 NMIS CCTV Design Phase 1 Maidenhead 2005d C J Associates Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 21004 105 BH35_0+77B:105 BH35_0+77B M4 Junctions 5 to 8/9 – M4 NMIS CCTV Design Phase 1 Maidenhead 2005d C J Associates 21004 105 BH39_9B:105 BH39_9B M4 Junctions 5 to 8/9 – M4 NMIS CCTV Design Phase 1 Maidenhead 2005d C J Associates 21838 111 PWBH01:111 PWBH01 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PWBH02:111 PWBH02 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PWCPT01:111 PWCPT01 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PWCPT02:111 PWCPT02 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PHWS01:111 PHWS01 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PHWS02:111 PHWS02 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PHWS03:111 PHWS03 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PHWS04:111 PHWS04 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PHWS05:111 PHWS05 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PHWS06:111 PHWS06 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 111 PHWS07:111 PHWS07 M4 Junctions 5 to 7, Bridge Widening 2007a Fugro Engineering Services Limited 21838 112 PW2WS/DP1:112 PW2WS/DP1 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2WS/DP2:112 PW2WS/DP2 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2WS/DP3:112 PW2WS/DP3 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2WS/DP4:112 PW2WS/DP4 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2WS5:112 PW2WS5 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2WS5A:112 PW2WS5A Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2WS/DP6:112 PW2WS/DP6 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2WS/DP7:112 PW2WS/DP7 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2WS/DP8:112 PW2WS/DP8 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP1:112 PW2TP1 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP2:112 PW2TP2 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP3:112 PW2TP3 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP4:112 PW2TP4 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP4A:112 PW2TP4A Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP4B:112 PW2TP4B Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP6:112 PW2TP6 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP7:112 PW2TP7 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21838 112 PW2TP8:112 PW2TP8 Area 3 M4 Junctions 5 to 7 Phase 2 2007b Fugro Engineering Services Limited 21989 128 BH1:128 BH1 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH2:128 BH2 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH3:128 BH3 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH4:128 BH4 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH5:128 BH5 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH6:128 BH6 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH7:128 BH7 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH8:128 BH8 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH9:128 BH9 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 BH10:128 BH10 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS1:128 WS1 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS4:128 WS4 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS5:128 WS5 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS6:128 WS6 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS7:128 WS7 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS8:128 WS8 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS9:128 WS9 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS10:128 WS10 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS11:128 WS11 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS12:128 WS12 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS13:128 WS13 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS14:128 WS14 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS15:128 WS15 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS16:128 WS16 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS17:128 WS17 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS18:128 WS18 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS21:128 WS21 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS22:128 WS22 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS23:128 WS23 M4/A33 Junction 11 Improvements 2002 Soil Mechanics Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B1: Summary of exploratory hole records obtained from HA GDMS reports

HA GDMS HHJV unique Exploratory hole HHJV borehole report report name (where Ground Investigation Year GI Contractor reference reference reference available on log) 21989 128 WS24:128 WS24 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WS25:128 WS25 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WSA:128 WSA M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WSB:128 WSB M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WSC:128 WSC M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WSD:128 WSD M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WSE:128 WSE M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 WSF:128 WSF M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 TP1:128 TP1 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 TP2:128 TP2 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 TP3:128 TP3 M4/A33 Junction 11 Improvements 2002 Soil Mechanics 21989 128 TP4:128 TP4 M4/A33 Junction 11 Improvements 2002 Soil Mechanics Various 161 B1/21:161 B1/21 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B1/22:161 B1/22 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B1/23:161 B1/23 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B1/24:161 B1/24 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B2/11:161 B2/11 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B2/12:161 B2/12 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B2/21:161 B2/21 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B2/31:161 B2/31 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B2/32:161 B2/32 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B2/41:161 B2/41 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B2/42:161 B2/42 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B3/21:161 B3/21 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B3/22:161 B3/22 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B4/22:161 B4/22 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B4/24:161 B4/24 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B5/22:161 B5/22 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B5/24:161 B5/24 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B5/34:161 B5/34 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B5/51:161 B5/51 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B5/52:161 B5/52 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 R1/5:161 R1/5 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B0/31:161 B0/31 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B0/32:161 B0/32 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Various 161 B0/43:161 B0/43 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B2: Summary of exploratory hole records obtained from British Geological Survey (BGS) HHJV Unique Exploratory hole HHJV borehole BGS borehole Report name (where Ground Investigation Year GI Contractor reference reference Reference available on log) 159 TQ07NW302:159 TQ07NW302 BH302 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW301:159 TQ07NW301 BH301 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW300:159 TQ07NW300 BH300 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW299:159 TQ07NW299 BH299 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW298:159 TQ07NW298 BH298 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW297:159 TQ07NW297 BH297 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW296:159 TQ07NW296 BH296 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW295:159 TQ07NW295 BH295 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW294:159 TQ07NW294 BH294 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW293:159 TQ07NW293 BH293 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW292:159 TQ07NW292 BH292 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW291:159 TQ07NW291 BH291 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW290:159 TQ07NW290 BH290 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NW289:159 TQ07NW289 BH289 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE271:159 TQ07NE271 BH271 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE270:159 TQ07NE270 BH270 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE269:159 TQ07NE269 BH269 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE268:159 TQ07NE268 BH268 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE267:159 TQ07NE267 BH267 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE266:159 TQ07NE266 BH266 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE265:159 TQ07NE265 BH265 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE264:159 TQ07NE264 BH264 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE263:159 TQ07NE263 BH263 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE262:159 TQ07NE262 BH262 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 159 TQ07NE261:159 TQ07NE261 BH261 1959 – MOT Chiswick – Langley Road Scheme 1959 unknown 160 SU97NE69:160 SU97NE69 BH31 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE116:160 SU97NE116 BH34 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE117:160 SU97NE117 BH35 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE118:160 SU97NE118 BH36 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE70:160 SU97NE70 BH37 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE133:160 SU97NE133 BH1 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE134:160 SU97NE134 BH2 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE73:160 SU97NE73 BH3 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE71:160 SU97NE71 BH37 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE72:160 SU97NE72 BH38 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE131:160 SU97NE131 BH10 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE132:160 SU97NE132 BH11 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE151:160 SU97NE151 BH8 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE152:160 SU97NE152 BH9 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE128:160 SU97NE128 BH3 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE129:160 SU97NE129 BH4 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 165 SU97NW128:165 SU97NW128 BH19 Maidenhead Flood Study 1987 unknown 166 TQ07NE330:166 TQ07NE330 P040 Heathrow Access Road 1989 Soil Mechanics 166 TQ07NE329:166 TQ07NE329 H016 Heathrow Access Road 1989 Soil Mechanics Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

161 SU67SW37:161 SU67SW37 BO/14 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SW38:161 SU67SW38 BO/15 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SW39:161 SU67SW39 BO/16 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE1:161 SU67SE1 BO/17 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE2:161 SU67SE2 BO/18 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE3:161 SU67SE3 BO/19 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE5:161 SU67SE5 RO/3 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE6:161 SU67SE6 BO/21A London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE7:161 SU67SE7 BO/22 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE8:161 SU67SE8 BO/23 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE9:161 SU67SE9 BO/24 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE12:161 SU67SE12 BO/41 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE13:161 SU67SE13 BO/42 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE15:161 SU67SE15 BO/51 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU67SE16:161 SU67SE16 BO/54 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU66NE1:161 SU66NE1 B1/11 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU66NE2:161 SU66NE2 B1/12 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU66NE3:161 SU66NE3 B1/13 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU66NE10:161 SU66NE10 B2/13 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NW2:161 SU76NW2 B2/22 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

161 SU76NW8:161 SU76NW8 B2/52 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NW10:161 SU76NW10 B3/11 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NW11:161 SU76NW11 B3/12 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NW12:161 SU76NW12 R3/2 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NW13:161 SU76NW13 R3/3 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NW14:161 SU76NW14 R3/5 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NE8:161 SU76NE8 B4/11 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NE9:161 SU76NE9 B4/12 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NE10:161 SU76NE10 B4/13 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NE11:161 SU76NE11 B4/14 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NE12:161 SU76NE12 B4/15 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU76NE13:161 SU76NE13 B4/16 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE1:161 SU77SE1 B4/21 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE3:161 SU77SE3 B4/23 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE5:161 SU77SE5 R4/3 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE6:161 SU77SE6 B4/31 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE7:161 SU77SE7 B4/32 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE8:161 SU77SE8 B4/33 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE9:161 SU77SE9 B4/34 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE10:161 SU77SE10 B5/11 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE11:161 SU77SE11 B5/12 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

161 SU77SE13:161 SU77SE13 B5/14 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE14:161 SU77SE14 B5/21 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE16:161 SU77SE16 B5/23 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE18:161 SU77SE18 B5/31 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE19:161 SU77SE19 B5/32 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE20:161 SU77SE20 B5/33 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE22:161 SU77SE22 B5/35 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE23:161 SU77SE23 B5/36 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE24:161 SU77SE24 B5/37 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE25:161 SU77SE25 B5/38 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE26:161 SU77SE26 B5/41 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE27:161 SU77SE27 B5/42 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE32:161 SU77SE32 B5/63 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE31:161 SU77SE31 B5/62 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE30:161 SU77SE30 B5/61 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU77SE33:161 SU77SE33 R5/1 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco

161 SU87SW15:161 SU87SW15 R5/2 London to South Wales Motorway - Theale to Winnersh Section 1967a Le Grand Adsco 162 SU87NE24:162 SU87NE24 B8/91 London to South Wales Motorway Holyport Section 1967b Le Grand Adsco 162 SU87NE25:162 SU87NE25 B8/92 London to South Wales Motorway Holyport Section 1967b Le Grand Adsco 162 SU87NE26:162 SU87NE26 B8/93 London to South Wales Motorway Holyport Section 1967b Le Grand Adsco 162 SU87NE27:162 SU87NE27 B8/94 London to South Wales Motorway Holyport Section 1967b Le Grand Adsco 162 SU87NE28:162 SU87NE28 B8/95 London to South Wales Motorway Holyport Section 1967b Le Grand Adsco 162 SU87NE29:162 SU87NE29 B8/96 London to South Wales Motorway Holyport Section 1967b Le Grand Adsco 162 SU87NE31:162 SU87NE31 B9/12 London to South Wales Motorway Holyport Section 1967b Le Grand Adsco 162 SU87NE30:162 SU87NE30 B9/11 London to South Wales Motorway Holyport Section 1967b Le Grand Adsco Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

027 SU87SW16:027 SU87SW16 B6/11 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick

027 SU87SW18:027 SU87SW18 R6/1 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick

027 SU87SW20:027 SU87SW20 B6/22 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick

027 SU87SW19:027 SU87SW19 B6/21 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick

027 SU87NE2:027 SU87NE2 B9/11 London to South Wales Motorway Winnersh to Holyport Section 1969a Fitzpatrick 164 TQ07NE312:164 TQ07NE312 2322 M4 Motorway Heathrow Spur to M25 Interchange 1983a unknown 164 TQ07NE313:164 TQ07NE313 2323 M4 Motorway Heathrow Spur to M25 Interchange 1983a unknown 164 TQ07NE314:164 TQ07NE314 2324 M4 Motorway Heathrow Spur to M25 Interchange 1983a unknown 164 TQ07NE315:164 TQ07NE315 2325 M4 Motorway Heathrow Spur to M25 Interchange 1983a unknown 164 TQ07NE316:164 TQ07NE316 2326 M4 Motorway Heathrow Spur to M25 Interchange 1983a unknown 164 TQ07NE317:164 TQ07NE317 2327 M4 Motorway Heathrow Spur to M25 Interchange 1983a unknown 164 TQ07NE318:164 TQ07NE318 2328 M4 Motorway Heathrow Spur to M25 Interchange 1983a unknown 164 TQ07NE319:164 TQ07NE319 2329 M4 Motorway Heathrow Spur to M25 Interchange 1983a unknown 167 TQ07NE208:167 TQ07NE208 TP244A Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE209:167 TQ07NE209 TP244B Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE210:167 TQ07NE210 TP249 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE212:167 TQ07NE212 TP251 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE225:167 TQ07NE225 TP278 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE226:167 TQ07NE226 TP279 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE227:167 TQ07NE227 TP280 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE228:167 TQ07NE228 TP281 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE241:167 TQ07NE241 TP293 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ17NW154:167 TQ17NW154 TP294 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ17NW155:167 TQ17NW155 TP295 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ17NW156:167 TQ17NW156 BH296 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE229:167 TQ07NE229 TP282 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE230:167 TQ07NE230 TP283 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE231:167 TQ07NE231 TP284 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 167 TQ07NE232:167 TQ07NE232 TP285 Heathrow Surface Access Studies 1991b Norwest Holst Soil Engineering 168 SU97NE350:168 SU97NE350 BH111A M25 VMS Gantries Phase 2 Ground Investigation 1991c Fugro-McCelland Limited 168 TQ07NW493:168 TQ07NW493 BH110 M25 VMS Gantries Phase 2 Ground Investigation 1991c Fugro-McCelland Limited 168 TQ07NW494:168 TQ07NW494 BH110* M25 VMS Gantries Phase 2 Ground Investigation 1991c Fugro-McCelland Limited 168 TQ07NE381:168 TQ07NE381 BH114 M25 VMS Gantries Phase 2 Ground Investigation 1991c Fugro-McCelland Limited 051 SU67SE104:051 SU67SE104 BH198 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE105:051 SU67SE105 BH199 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE106:051 SU67SE106 BH200 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE107:051 SU67SE107 BH201 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B2: Summary of exploratory hole records obtained from British Geological Survey (BGS) HHJV Unique Exploratory hole HHJV borehole BGS borehole Report name (where Ground Investigation Year GI Contractor reference reference Reference available on log) 051 SU67SE108:051 SU67SE108 BH201A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE109:051 SU67SE109 BH202 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE110:051 SU67SE110 BH202A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE111:051 SU67SE111 BH203 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE120:051 SU67SE120 TT196 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE121:051 SU67SE121 TP197 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE103:051 SU67SE103 BH195 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE119:051 SU67SE119 TT194 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE102:051 SU67SE102 BH193 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE118:051 SU67SE118 TP192 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE114:051 SU67SE114 BH213 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU67SE115:051 SU67SE115 BH213A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE119:051 SU66NE119 TP191 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE112:051 SU66NE112 BH212 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE113:051 SU66NE113 BH212A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE117:051 SU66NE117 TP189 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE116:051 SU66NE116 TT188 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE111:051 SU66NE111 BH211 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE115:051 SU66NE115 TP187 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE108:051 SU66NE108 BH186 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE107:051 SU66NE107 BH185 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE106:051 SU66NE106 BH184 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE105:051 SU66NE105 BH183A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU66NE99:051 SU66NE99 BH179 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW122:051 SU76NW122 TP177 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW116:051 SU76NW116 BH176 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW121:051 SU76NW121 TP173 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW120:051 SU76NW120 TT172 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW111:051 SU76NW111 TP161 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW109:051 SU76NW109 TP159 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW112:051 SU76NW112 BH168 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW108:051 SU76NW108 TP158 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW90:051 SU76NW90 BH156 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW106:051 SU76NW106 TP155 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW88:051 SU76NW88 BH153 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW89:051 SU76NW89 BH154 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW87:051 SU76NW87 BH152 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW105:051 SU76NW105 TP151 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW104:051 SU76NW104 TP150 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW103:051 SU76NW103 TP149 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW102:051 SU76NW102 TP148 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW86:051 SU76NW86 BH147 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW94:051 SU76NW94 BH208 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW93:051 SU76NW93 BH207 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B2: Summary of exploratory hole records obtained from British Geological Survey (BGS) HHJV Unique Exploratory hole HHJV borehole BGS borehole Report name (where Ground Investigation Year GI Contractor reference reference Reference available on log) 051 SU76NW85:051 SU76NW85 BH146 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW100:051 SU76NW100 TP143 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW83:051 SU76NW83 BH141 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW98:051 SU76NW98 TP139 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW96:051 SU76NW96 TP136 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NW95:051 SU76NW95 TP135 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE53:051 SU76NE53 TP134 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE52:051 SU76NE52 TP133 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE51:051 SU76NE51 TT132 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE50:051 SU76NE50 TP131 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE44:051 SU76NE44 BH130 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE49:051 SU76NE49 TP131 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE43:051 SU76NE43 BH128 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE42:051 SU76NE42 BH127 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE45:051 SU76NE45 BH221 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE48:051 SU76NE48 TP126 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE41:051 SU76NE41 BH125 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE40:051 SU76NE40 BH124 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE39:051 SU76NE39 BH123 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE47:051 SU76NE47 TP122 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU76NE46:051 SU76NE46 TP121 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE106:051 SU77SE106 BH120 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE115:051 SU77SE115 TP119 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE105:051 SU77SE105 BH118 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE104:051 SU77SE104 BH117 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE114:051 SU77SE114 TP116 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE113:051 SU77SE113 TP115 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE103:051 SU77SE103 BH114 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE102:051 SU77SE102 BH112 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE101:051 SU77SE101 BH111 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE99:051 SU77SE99 BH109 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE100:051 SU77SE100 BH110 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE97:051 SU77SE97 BH107 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE98:051 SU77SE98 BH108 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE94:051 SU77SE94 BH105 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE95:051 SU77SE95 BH106 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE96:051 SU77SE96 BH106A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE93:051 SU77SE93 BH104 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE91:051 SU77SE91 BH102 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE92:051 SU77SE92 BH102A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE90:051 SU77SE90 BH101 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE111:051 SU77SE111 TP100 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE89:051 SU77SE89 BH97 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE109:051 SU77SE109 TP95 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B2: Summary of exploratory hole records obtained from British Geological Survey (BGS) HHJV Unique Exploratory hole HHJV borehole BGS borehole Report name (where Ground Investigation Year GI Contractor reference reference Reference available on log) 051 SU77SE108:051 SU77SE108 TP94 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE86:051 SU77SE86 BH92 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE85:051 SU77SE85 BH91 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE84:051 SU77SE84 BH90 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE83:051 SU77SE83 BH89 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE107:051 SU77SE107 TP88 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE80:051 SU77SE80 BH219 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU77SE81:051 SU77SE81 TT85 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW49:051 SU87SW49 BH83 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW88:051 SU87SW88 BH233 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW98:051 SU87SW98 TT249A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW99:051 SU87SW99 TT249B M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW82:051 SU87SW82 TT80 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW45:051 SU87SW45 BH74 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW87:051 SU87SW87 BH232 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW76:051 SU87SW76 TT71 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW44:051 SU87SW44 BH68 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW74:051 SU87SW74 TT69 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW95:051 SU87SW95 TT246 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW96:051 SU87SW96 TT247 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW43:051 SU87SW43 BH65 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW86:051 SU87SW86 BH229 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW41:051 SU87SW41 BH59 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW68:051 SU87SW68 TT60 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW67:051 SU87SW67 TT58 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW40:051 SU87SW40 BH57 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW65:051 SU87SW65 TT55 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW37:051 SU87SW37 BH49 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW62:051 SU87SW62 TP50 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW61:051 SU87SW61 TT48 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW101:051 SU87SW101 BHFT2 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW90:051 SU87SW90 BH238 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW100:051 SU87SW100 BHFT1A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW57:051 SU87SW57 TP43 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW35:051 SU87SW35 BH42 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW34:051 SU87SW34 BH41 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW56:051 SU87SW56 TT40 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW55:051 SU87SW55 TT39 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW53:051 SU87SW53 TP37 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW52:051 SU87SW52 TP36 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SW51:051 SU87SW51 TP35 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87SE5:051 SU87SE5 TP34 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE88:051 SU87NE88 TP33 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE96:051 SU87NE96 BH237 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.

Key B2: Summary of exploratory hole records obtained from British Geological Survey (BGS) HHJV Unique Exploratory hole HHJV borehole BGS borehole Report name (where Ground Investigation Year GI Contractor reference reference Reference available on log) 051 SU87NE101:051 SU87NE101 TT242 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE95:051 SU87NE95 BH236 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE64:051 SU87NE64 BH31 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE86:051 SU87NE86 TT30 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE97:051 SU87NE97 BH251 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE85:051 SU87NE85 TT29 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE84:051 SU87NE84 TT28 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE83:051 SU87NE83 TP27 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE82:051 SU87NE82 TT26 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE98:051 SU87NE98 TT240 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE99:051 SU87NE99 TT241A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE100:051 SU87NE100 TT241B M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE79:051 SU87NE79 TP23 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE91:051 SU87NE91 BH224 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE77:051 SU87NE77 TP22 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE78:051 SU87NE78 TT22A M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE76:051 SU87NE76 TP21 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE73:051 SU87NE73 TP11 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE74:051 SU87NE74 TT12 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE72:051 SU87NE72 TP10 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE56:051 SU87NE56 BH9 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE71:051 SU87NE71 TT8 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE68:051 SU87NE68 TP4 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE54:051 SU87NE54 BH3 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 051 SU87NE67:051 SU87NE67 TT2 M4 Widening Junctions 8(9) to 12 R.W.S 1993b Soil Mechanics Limited 169 SU76NW187:169 SU76NW187 BH11/1 M4 Junction 11 to 12 2001a Norwest Holst Soil Engineering 169 SU76NW193:169 SU76NW193 BH11/7 M4 Junction 11 to 13 2001a Norwest Holst Soil Engineering 169 SU76NW194:169 SU76NW194 BH11/8 M4 Junction 11 to 14 2001a Norwest Holst Soil Engineering 169 SU76NW190:169 SU76NW190 BH11/4 M4 Junction 11 to 15 2001a Norwest Holst Soil Engineering 169 SU76NW192:169 SU76NW192 BH11/6 M4 Junction 11 to 16 2001a Norwest Holst Soil Engineering 169 SU76NW191:169 SU76NW191 BH11/5 M4 Junction 11 to 17 2001a Norwest Holst Soil Engineering 169 SU76NW189:169 SU76NW189 BH11/3 M4 Junction 11 to 18 2001a Norwest Holst Soil Engineering 170 SU87NE180:170 SU87NE180 WSM4_19_1 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE181:170 SU87NE181 WSM4_19_2 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE182:170 SU87NE182 WSM4_19_3 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE183:170 SU87NE183 WSM4_19_4 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE184:170 SU87NE184 WSM4_19_5 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE185:170 SU87NE185 WSM4_19_6 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE186:170 SU87NE186 TPM4_19_1 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE187:170 SU87NE187 TPM4_19_2 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE188:170 SU87NE188 TPM4_19_3 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 170 SU87NE189:170 SU87NE189 TPM4_19_4 Area 3 Class 1 Earthworks Defects 2005 2005e unknown 160 SU97NE1:160 SU97NE1 BH3 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown 160 SU97NE40:160 SU97NE40 BH4 1960 - Slough-Maidenhead By-Pass Contract No.2 (M4) 1960 unknown Please note that the location of some of these records may lie outside the viewing boundaries on drawings M4MM-MUH-ML-ZZ-DR-GE-200000-200030.