OR/16/004 Appendix 1 Detailed model development log

Barron, A J M. 2016. GSI3D model metadata report for HS2 Area 3 (Newton Purcell to Thorpe Mandeville). British Geological Survey Internal Report, OR/16/004.

Cross section name (prefixed with HS2_Area3_, suffixed_AJMB)	Progress (March-Aug 2013, March-June 2014, June 2015 following QA and synthetic rendering check)
EWrung_1	10/5/13 prov drew all d/t NS SP52NE4-NWSE1 v65, re-exam SP62NW32 - poor log, ignore, drew all d/t -30 CHAM from W end & Buck XS2 to SP63SE6 GFDMP lenses in TILMP NO COLOUR v66; 13/5/13 drew all d/t -30 CHAM to E end where GOG 13m, ?no NS, WHM c14, MRB 1, DYS c10, CHAM 80 v71,72 DRWG + FITS COMPLETED GOG used, no faults; 31/5/13 added new MGR @ W6200, W11400 v143; 17/6/13 GOG=RLD1+TY+SHHB+HYSA fix v204; 5/3/14 rechecked snap esp to Centreline v229; 11/3/14 denser nodes, fixing fault steps v242; 19/6 densified WHL v336; 9/6/15 man dens WHL,NS,TILMP,TILMP1 nodes to aid calc v348
EWrung_2	3/5/13 SDs,WHL,HYSA,WHM prov drawn fr NWSE1-SP63SE1 v58; 9/5/13 all d/t -30 CHAM Buck XS2-SP63SE1 v61; 10/5/13 refit all @ NWSE3 v63; 15/5/13 drew all d/t -30 CHAM to E end DRWG + FITS COMPLETED v75 GOG used, no faults; 17/6/13 GOG=RLD1+TY+SHHB+HYSA fix v204; 6/3/14 rechecked snap esp to Centreline; 11/3/14 denser nodes, fixing fault steps v242; 3/4/14 densify v282; 19/6 amended TY coverage v339; 9/6/15 man dens WMGR,GFDMP,TILMP1 nodes to aid calc v348
EWrung_3	23/4/13 drew all d/t -30 CHAM W end to NWSE3 v45; 13/5/13 prov drew thro NWSE4 to E end, WHM too thick @ NWSE3, fault @ W6900 est 15m, drew d/t -30 CHAM to E end, DRWG + FITS COMPLETED v72. GOG used, faults fixed v78; 22/5/13 mods v121; 19/6/13 faults drawn v216; 6/3/14 rechecked snap esp to Centreline and fault steps v230; 11/3/14 denser nodes, fixing fault steps v242; 1/4/14 densified HYSA NS WHM v277; 3/4/14 adj and densify v282; 8/4/14 sl edits v292; 20/6 densified NS v340; 9/6/15 man dens WHL,GFDMP,TILMP nodes to aid calc v348; 11/6/15 cut TY,MRB,DYS corrln lines at F1 and slit envs V360
EWrung_4	17/4 drew d/t -30 CHAM from NWSE2 to NWSE3 v23; 23/4 drew all d/t -30 CHAM to NWSE1 v44; 15/5 drew all d/t -30 CHAM to E end GFDMP lens, DRWG + FITS COMPLETED v76 GOG used, faults fixed v79; 17/6 GOG=RLD1+TY+SHHB+HYSA fix v207; 19/6 faults fixed v217; 6/3/14 rechecked snap esp to Centreline and fault steps v230; 11/3/14 denser nodes, fixing fault steps v243; 2/4/14 added FMB poly and mod F2 v279; 19/6 densified RLD1 v337; 9/6/15 man dens WHL, GFDMP nodes to aid calc v348; 11/6/15 cut MRB corrln lines at F1 and slit envs V360
EWrung_5	15/4/13 hung SP53SE3 fr DTM, drew d/t HYSA v16, d/t WHM to SW end v17; drew d/t -30 CHAM W end to C/L v20; extndd all to NWSE3 v24; 15/5/13 drew all d/t -30 CHAM to E end, GFDMP lens @ NWSE4 v77 GOG used,faults fixed v78; 7/6/13 check and snap glacigenics, mod GFDMP coverage v186; 17/6/13 GOG=RLD1+TY+SHHB+HYSA fix v208; 6/3/14 rechecked snap esp to Centreline and fault steps v231; 11/3/14 denser nodes, fixing fault steps v244; 1/4/14 densified HYSA WHM v277; 8/4/14 sl edits v292; 19/6 densified HYSA v339; 8/6/15 snapped CHAM to NWSE1, and fitted to SP53SE2 v344; 9/6/15 man dens NS nodes to aid calc v348; 11/6/15 cut MRB corrln lines at F5,F6 and slit envs V360
EWrung_6	18/4/13 drew all d/t -30 between NWSE2 and 3, pushed TY thro RLD in SP53NE64 v31; 19/4/13 drew all d/t -30 CHAM W end to NWSE3, pref given to my mapping over classn of logs of SP53NE60, 27 and 12, v36; 16/5/13 drew d/t -30 CHAM to E end fit to NWSE4 v82; 7/6/13 check and snap glacigenics, mod GFDMP coverage v186; 17/6/13 WHL/BWL V203, GOG=RLD1+TY+SHHB+HYSA fix v208; 6/3/14 rechecked snap esp to Centreline and fault steps v232; 13/3/14 denser nodes, fixing fault steps v245; 22/5/14 densify nodes at NE end d/t WHM v306; 19/6 drew F32 displ 3m v337; 9/6/15 man dens SHHB,TY,RLD1 nodes to aid calc v348; 11/6/15 cut TY,HYSA corrln lines at F11,F12 and slit envs V360
EWrung_7	16/4/13 drew d/t WHM W end to SP53NE45 v21; drew d/t -30 CHAM W end to NWSE3 v22; 16/5/13 drew d/t -30 CHAM to E end fit to NWSE4 v83 fault fixed GOG used; 7/6/13 check and snap glacigenics v187; 17/6/13 FMB/BWC, WHL/BWL V203, GOG=RLD1+TY+SHHB+HYSA fix v208; 6/3/14 rechecked snap esp to Centreline and fault steps v232; 13/3/14 denser nodes, fixing fault steps v245; 3/4/14 densify v282; 22/5/14 densify nodes at NE end d/t WHM v306; 9/6/15 man dens TY,SHHB,ALV nodes to aid calc v348
EWrung_8	18/3/13 drew shallow along A43 v7. 8/4 drew west end thro SP53NE1, 3, 8 down to -30 (within CHAM) v8; 22/4/13 drew all d/t -30 NE to NWSE_3 (use of Non-geol lines) v39-41; 16/5/13 drew d/t -30 CHAM to E end fit to NWSE4 v84 no faults; 31/5/13 HEAD mods V139; 7/6/13 check and snap glacigenics v187; 6/3/14 rechecked snap esp to Centreline v233; 13/3/14 denser nodes, fixing fault steps v246; 7/4/14 fixed tiny NS subcrop, resnapped v288; 8/4/14 sl edits v291, fix TY window for ALV v292, added HEAD poly at W5080 and NGM line changed to MGR, add MGR at W6200 v293, adj MGR at W5530 to fix SHHB v294; 22/5/14 densify nodes at NE end d/t WHM v307; 9/6/15 man dens SHHB,MGR nodes to aid calc v348
EWrung_9	19/4/13 drew all d/t -30 CHAM v35; 21/5/13 faults fixed v98; 4/6/13 added NG line at W10650 on ALV and HEAD v153; 7/6/13 check and snap glacigenics v188; 6/3/14 rechecked snap esp to Centreline and fault steps v233; 13/3/14 denser nodes, fixing fault steps v246; 9/6/15 man dens TY,TILMP,GFDMP nodes to aid calc v348
EWrung_10	10/4/13 SP54SE2 missing, redrew XS thro v9; drew W end to NWSE3 d/t -30 CHAM v38; 21/5/13 drew all d/t -30 CHAM to E end v97; 4/6/13 added MGR v154; 5/3/14 rechecked snap esp to Centreline v229; 6/3/14 rechecked snap esp to Centreline and fault steps v233; 31/3/14 drew TILMP1 & GFDMP at E end v267; 9/6/15 man dens WHL,TY, TILMP nodes to aid calc v348
EWrung_11	24/4/13 drew all d/t -30 CHAM W end to NWSE2 (WHM thick suspect) Non-geol line used v47, drew d/t -30 to NWSE3 v48; 20/5/13 drew all d/t -30 CHAM to E end v91,92 fault fixed; 4/6/13 edit MRB and WHM v155, fitted units to cutting at W7500 v156; 6/3/14 rechecked snap esp to Centreline and fault steps v233; 8/4/14 sl edits v291; 19/6 densified TY v339; 9/6/15 man dens WHM,RLD1,TILMP,SHHB nodes to aid calc v355
EWrung_12	23/4/13 drew all d/t -30 CHAM W end to NWSE2 v46; 30/4/13 drew all to NWSE3 v52; 17/5/13 drew d/t -30 CHAM to E end fit to NWSE4 v90 fault fixed; 4/6/13 added WMGR and mod units to it @W7700 v157;
	6/3/14 rechecked snap esp to Centreline and fault steps v233; 8/4/14 sl edits v291; 9/6/15 man dens WBRO, STAM nodes to aid calc v348
EWrung_13	30/4/13 drew all d/t -30 CHAM NWSE1-3 v53; 17/5/13 drew d/t -30 CHAM to E end fit to NWSE4 v89 faults fixed; 6/3/14 rechecked snap esp to Centreline and fault steps v233; 11/6/15 no action required
EWrung_14	23/4/13 some progress v46; 30/4/13 all d/t -30m CHAM+PNG NWSE1-2 v54, revised NE end of line into Area 3, some progress here, fit NWSE3 v55_1; 1/5/13 sl prog v57; 17/5/13 drew all d/t -30 CHAM to E end, faults fixed v88 faults fixed; 5/6/13 GFDMP0 added, MRB and WHM correlation thro bhs @ W1100-1300 requires mods to DiGMapGB V160; 6/3/14 rechecked snap esp to Centreline and fault steps, TILMP extndd, NON-GEOL added outside DTM v233; 12/5/14 added nodes to Lias fms & HEAD v296; 9/6/15 man dens WHL,RLD1,TY,SHHB nodes @F25 to aid calc v348; 11/6/15 cut MRB corrln lines at F24,25 and slit envs V360
NWSE_1	16/4/13 drew d/t -30 CHAM fr rung 11 to SP53NE5 v19; SE to rung 2 v43; NW to end all d/t -30 CHAM v46; 10/5/13 fitted to r2, SP52NE32 re-exam - not trusted - ignore! V64, all d/t -30 CHAM to SE end v65; 13/5/13 drw minor ALV - DRAWING + FITS COMPLETED v69; 21/5/13 faults fixed v98 no GOG; 7/6/13 check and snap all v189; 6/3/14 rechecked snap and fault steps v236; 3/4/14 densify v282; 8/4/14 sl edits v291; 12/5/14 added nodes to Lias fms v296; 11/6/15 cut HYSA, NS corrln lines at F26 and slit envs, F2,9,10 not done V360.
NWSE_2	10/4/13 drew from SP53NE165 NW thro rung8 fit d/t WHM, SP54SE2 missing, redrew XS thro v10; drew d/t WHM to rung 13 v11, end bh SP54NW23 is beyond fault in Area 4 - ignore; 11&12/4/13 drew SE d/t WHM to SP63SW1 v13; 15/4/13 drew d/t -30 CHAM from rung 3 to N end using CN figs 15, 19 v15; 8/5/13 fettled @ rung 2,3 v60; 13/5/13 drew minor HEAD DRWG + FITS COMPLETED v69 GOG used; 7/6/13 check and snap all v190; 17/6/13 WHL/BWL V203, GOG=RLD1+TY+SHHB+HYSA fix v205; 6/3/14 rechecked snap and fault steps v237; 1/4/14 densified HYSA NS WHM v277; 8/4/14 sl edits v291; 20/6 densified NS v340; MRB <6 m ok; 9/6/15 added ALV nodes 50m to aid calc v346; man dens WHL,NS nodes to aid calc v348; 11/6/15 cut TY,SHHB,HYSA corrln lines at F8 and slit envs V360
Centreline	10/6/13 drew from N end, all Lias done to S end, and shallow to rung6 v196; 11/6/13 added WMGR and MGR polys @ Rung5 & mod HEAD, added 23m fault w comments, all drawn and snapped to S end v199 GOG used; 17/6/13 GOG=RLD1+TY+SHHB+HYSA fix v205; 6/3/14 rechecked snap and fault steps v238; 8/4/14 sl edits v291; 19/6 densified RLD1, drew F32 displ 3m v337; 11/6/15 fixed ALV, RLD1, TY,HYSA, WHM,MRB,DYS corrln lines at F5 and slit envs V360
NWSE_3	18/4/13 drew d/t HYSA rung 4-5 v25, need to pick up WHM v/b at W10200 - redrew v27, drew d/t -30 CHAM rungs 4-8 v30; 19/4/13 thro rungs 9-11 d/t HYSA, d/t -30 CHAM in rung 9 v32, drew d/t -30 CHAM to rung 10 v37; drew all d/t -30 CHAM SE to r4, d/t -30 CHAM to r3 v46, drew all d/t -30 CHAM to r11 v49; 30/4/13 drew all d/t -30 CHAM to r14 v51; 1/5/13 drew d/t WHL to S end no fit CAIP NWSE4 v57; revised @ r3 and 2 (WHM thickn), refit r3 v62; 10/5 drew all d/t -30 CHAM to S end, GFDMP lenses in TILMP NO COLOUR V63; 13/5/13 added minor TUFA DRWG + FITS COMPLETED v70, refit WHM,MRB,DYS to r3 v72; 21/5/13 faults fixed v99; 22/5/13 mods v121 GOG used; 10/6/13 check and snap all & adj BWL WGR RLD1 TILMP1 TY SHHB v192; 17/6/13 FMB/BWC, WHL/BWL V203, GOG=RLD1+TY+SHHB+HYSA fix v206; 6/3/14 rechecked snap and fault steps v240; 7/4/14 edits v290; 8/4/14 sl edits v291; 16/5/14 sl edits to GOG fms v300; 19/6 densified TY v339; 9/6/15 added ALV nodes 50m to aid calc v346; 11/6/15 cut NS @ F27, RLD1,TY,HYSA,MRB @F7, RLD1,TY,SHHB,HYSA,MRB,DYS corrln lines at F1 and slit envs V360
NWSE_4	19/4/13 minor fit to r9 d/t WHM v33; 13/5/13 fitted to Area2 r16 d/t FMB all good, and Area3 rung1 d/t WHL, drew SDs,FMB, WHL thro rungs 2,3,4 v72; 14/5/13 GFDMP lens @ rung 4, 7 & 9, drew d/t -30 CHAM from S end to beyond rung 9 v73,74; 17/5/13 drew d/t -30 CHAM to N end v87; 31/5/13 HEAD mods V139. GOG used faults ok; 7/6/13 check and snap all v194; 17/6/13 FMB/BWC, WHL/BWL V203, GOG=RLD1+TY+SHHB+HYSA fix v208; 6/3/14 rechecked snap and fault steps v241; 8/4/14 sl edits v291; 22/5/14 densify nodes fr Helper_3 to rung10 d/t WHM v306; 11/6/15 NO ACTION
Cross-section_Buckingham_x1	21/5/13 checked XS but topo profile to DTM fit v poor in parts. Base GOG and Lias fms fit is mostly ok NWSE1 & 2, rungs 6,5,4,3,2,1 v98. NOT USED IN FINAL MODEL
Cross-section_Buckingham_x2	3/5/13 drew GOG,WHM,DYS,CHAM - good fit to rungs 3,4,5 v59. NOT USED IN FINAL MODEL
Helper_1	20/3/14 added, drew d/t WHM v248; 9/6/15 man dens TY,HYSA nodes to aid calc v348
Helper_2	20/3/14 added, slight edit to Fault 7, drew d/t WHM v248; 1/4/14 add PEAT, extnded NW to rung 8, add TUFA poly v271, TUFA under ALV v272; 9/6/15 man dens WHL nodes to aid calc v348
Helper_3	21/3/14 added, mod to TILMP1 env, added poly to GFDMP1, drew d/t WHM v249; 19/6 densified HYSA v339; 10/6/15 checked ok v348
Helper_4	21/3/14 added, mod to TILMP1 poly, drew d/t TILMP v250; mod GFDMP1, TILMP, HEAD, added MGR at Tingewick, drew all d/t WHM v251; 19/6 extndd N to Rung_9 drew d/t WHM v337; 9/6/15 man dens TILMP,WHM nodes to aid calc v348
Helper_5	24/3/14 added, mod TILMP1 in south, PET g-u, drew all d/t WHM incl GOG v255; 8/6/15 added nodes to aid calc v345; 10/6/15 man dens TILMP1 nodes to aid calc, added MGR @ Centreline, fixed GOG ‘step’ v349
Helper_6	24/3/14 added, added poly to GFDMP in south v252; drew all d/t WHM v254; 10/6/15 checked ok v349
Helper_GLACIGEN_7	24/3/14 added, drew all d/t CB v257; 10/6/15 checked ok v349
Helper_NS_8	24/3/14 added, drew all d/t CHAM v257; 10/6/15 man dens RLD1 nodes to aid calc v349
Helper_9	24/3/14 added, drew all d/t WHL v257; 10/6/15 checked ok v350
Helper_ALV_10	28/3/14 added, ALV drawn v264; 9/6/15 added ALV nodes 30m to aid calc v347; 10/6/15 checked ok v350
Helper_ALV_11	28/3/14 added, ALV drawn v264; 9/6/15 added LSGR nodes 25m to aid calc v346; 9/6/15 added ALV nodes 30m to aid calc v347; 10/6/15 checked ok v350
Helper_SD_12	31/3/14 added, drew d/t TILMP v266; 19/6/14 extndd W to Centreline, drawn d/t CB v336; 10/6/15 man dens CB,KLB nodes to aid calc v350
Helper_SD_13	31/3/14 added, drew d/t GFDMP v266; 19/6/14 extndd W to Centreline, drawn d/t CB, x-snapped v336; 10/6/15 man dens TILMP, nodes to aid calc v350
Helper_ALV_14	1/4/14 added, ALV drawn v272; 9/6/15 added ALV nodes 25m to aid calc v346; 10/6/15 checked ok v350
Helper_TUFA_15	1/4/14 added, TUFA drawn v272; extndd NE to NWSE3 drew all d/t WHM, snapped all v301; 10/6/15 checked ok v350
Helper_ALV_16	1/4/14 added, ALV drawn v272; 21/5/14 extnded west and ALV correlated v303; 9/6/15 added ALV nodes 30m to aid calc v347; 10/6/15 checked ok v350
Helper_ALV_17	1/4/14 added, ALV drawn v272; 9/6/15 added ALV nodes 30m to aid calc v347; 10/6/15 checked ok v350
Helper_WHM_18	1/4/14 added, drew all d/t WHM v274; 10/6/15 cut NS,MRB corrln lines at F25 and slit envs V350
Helper_WHM_19	1/4/14 added, drew all d/t WHM v274; 3/4/14 added NS v280; 10/6/15 man dens TY,HY nodes to aid calc and added MGR @ W4200 v351
Helper_NS_20	1/4/14 added, drew all d/t WHM v277; 2/4/14 extended SW to NWSE_1, did not add BLAD poly v279; 3/4/14 densify v282; 11/6/15 cut TY,SHHB,HYSA corrln lines at F8 and slit envs V356
Helper_F19_21	2/4/14 added, drew all d/t WHM v278; 11/6/15 cut HYSA,NS corrln lines at F19 and slit envs V351
Helper_NS_22	2/4/14 added, drew all d/t WHM v278; 20/6 densified MRB v340; 10/6/15 man dens SHHB,TY,RLD1 nodes to aid calc v352
Helper_NS_23	3/4/14 added, drew all d/t WHM v280; 10/6/15 checked ok v352
Helper_NS_24	3/4/14 added, drew all d/t WHM v280; 10/6/15 checked ok v352
Helper_NS_25	3/4/14 added, drew all d/t WHM v281; 10/6/15 checked ok v352
Helper_SD_26	4/4/14 added, drew HEAD ALV v283; 10/6/15 man dens HEAD nodes to aid calc v352
Helper_SD_27	4/4/14 added, drew HEAD GFDMP v283; extndd SE to ALV v300; 10/6/15 man dens GFDMP nodes to aid calc v352
Helper_SD_28	4/4/14 added, drew all d/t TILMP v284; 10/6/15 checked ok v352
Helper_WMGR_29	before 12/5/14 added, all d/t TILMP v 296; 10/6/15 man dens GFDMP nodes to aid calc v352
Helper_ALV_30	12/5/14 added, ALV drawn v296; 9/6/15 added ALV nodes 30m to aid calc v347; 10/6/15 checked ok v352
Helper_ALV_31	12/5/14 added, ALV drawn v296; 9/6/15 added ALV nodes 30m to aid calc v347; 10/6/15 checked ok v352
Helper_32	12/5/14 added, all drawn d/t CHAM v296; 10/6/15 added ALV,FMB nodes 30m to aid calc v352; 10/6/15 man dens SHHB,TY,RLD1,HYSA,NS nodes to aid calc v352
Helper_GOG_33	16/5/14 added, drew all d/t WHM, snapped to all v300; 21/5/14 extndd SE to rung 1 and correl all d/t WHM v305; 20/6 densified MRB v340; 8/6/15 added nodes to aid calc v345; 10/6/15 checked ok v352
Helper_HYSA_34	16/5/14 added, drew all d/t WHM v301; 10/6/15 man dens TY nodes to aid calc v352
Helper_HYSA_35	16/5/14 added, drew all d/t WHM snapped to all v302; 10/6/15 checked ok v352
Helper_WMGR_36	21/5/14 added and correl all d/t TILMP and cross-snapped to all v305; 10/6/15 man dens GFDMP nodes to aid calc v352
Helper_WMGR_37	21/5/14 added and correl all d/t TILMP and cross-snapped to all v305; 10/6/15 man dens WMGR nodes to aid calc v352
Helper_WMGR_38	21/5/14 added and correl all d/t TILMP and cross-snapped to all v305; 10/6/15 man dens WMGR nodes to aid calc v352
Helper_GFDMP_39	22/5/14 added and correl all d/t TILMP and cross-snapped to all v312; 10/6/15 checked ok v352
Helper_GFDMP_40	22/5/14 added and correl all d/t TILMP and cross-snapped to all v312; 27/5 added CB v320; 10/6/15 checked ok v352
Helper_NS_41	22/5/14 added and correl all d/t WHM and cross-snapped to all v313; 19/6 amended TY coverage v339; 10/6/15 NO ACTION, NEAR EDGE
Helper_NS_42	23/5/14 added and correl only HYSA and NS and cross-snapped to all v314; 10/6/15 checked ok v352
Helper_HYSA_43	23/5/14 added and correl all d/t NS and cross-snapped to all v315; 8/6/15 split NS line to aid calc at F19 v345, and HYSA & slit envs V352
Helper_TY_44	23/5/14 added and correl all d/t WHM and cross-snapped to all v315; 10/6/15 man dens TY nodes to aid calc v352
Helper_TY_45	23/5/14 added and correl all d/t GOG and cross-snapped to all v316; 19/6 densified WHL; 20/6 densified MRB v340; 10/6/15 man dens TY nodes to aid calc v352
Helper_TY_46	23/5/14 added and correl all d/t NS and cross-snapped to all v316; 10/6/15 checked ok v352
Helper_HYSA_47	27/5/14 added and correl all d/t MRB and cross-snapped to all v321; 10/6/15 checked ok v352
Helper_TY_48	27/5/14 added and correl all d/t WHM and cross-snapped to all v321; 20/6 densified MRB v340; 10/6/15 man dens RLD1 nodes to aid calc v352; 10/6/15 cut RLD1,GOG,TY corrln lines at F1 and slit envs V352
Helper_RLD1_49	27/5/14 added and correl all d/t WHM and cross-snapped to all v321; 19/6 extended SE, added MRB throughout, all densified; 10/6/15 cut RLD1,TY,HYSA,MRB corrln lines at F11,F12 and slit envs V353
Helper_FMB_50	27/5/14 added and correl all d/t FMB and cross-snapped to all v321; 10/6/15 checked ok v353
Helper_FMB_51	19/6/14 added and correl all d/t FMB and cross-snapped to all v336; extnd to CL added WHL densified v336; 10/6/15 man dens HEAD,GFDMP nodes to aid calc v353
Helper_RLD1_52	19/6/14 added and correl all d/t TY and cross-snapped to all v337; 10/6/15 checked ok v353
Helper_TY_53	19/6/14 added and correl all d/t TY and cross-snapped to all v338; 10/6/15 checked ok v353
Area_2_Rung_16_CAIP_trunc	23/6/14 added (from Area 2) and truncated to DTM v341
Helper_ALV_54	23/6/15 added v362
HS2_DOCKER_area2_to_area3	24/6/15 added v364

Abbreviations: adj – adjusted, calc – calculation, corrln – correlation, dens – densified, d/t – down to, man – manually, mod – modified/modification, XS – cross section, v – version, prov – provisionally, correl – correlated, extndd – extended, W[number] – distance along cross section in metres.