File N/EN 26/25 - City Engineer's plans of chalk and other underground workings in Norwich, with details of subsidence

1: S602/21; Plan showing area between Cattle Market and Bracondale school; 1: 500 scale; showing location of shafts, lime kilns etc and historical subsidence; City Architects Department; 1963
2: S602/9/3; Knowsley Road -Churchill Road subsidence, section of sewer in rear passageway, 10 ft to 1 in, 1940
3: S. 602/13/1 Triconometrical survey showing old chalk works between Dereham Road and Merton Road, 1: 500 scale, 1938
4: S602/20; Warren's Transport Cafe sub-soil investigation, nr Golden Ball Street and Market Street, plan and cross-sections; 1: 500 and 1/2 in to 1 ft, 1963
5 : S602/18; Subsidence of Riverside Road, 1/2 in to 1 ft; 1942, and Bartholomew Street subsidence/extent of chalk works; 1963 [both plans attached to single hanging strip]

6. 154 h 100; Tracing of No.1
7. S602/13/4; Plan of Merton Road area between Bowthorpe Road and Dereham Road, In Parliament Session 1937-38, based on OS map, showing prescribed area not permitting occupation of any dwelling house, c 1937
   8.[S] 602/13; Merton Road subsidence, 1: 500 scale, showing areas of works, with annotations; 1936
   9: [S]602/21/1; Plan showing positions of subsidence and boreholes in Horns Lane area;1967; with attached Housing Committee report and estimate for basic work by Cementation Co. Ltd., 1967
   10: [S]602/13/3; Merton Road subsidences, 1: 500 scale; 1936
   11: S602/11/5; Plan showing lime works near Harford Hills, nd, based on OS plan
   12: S602/5; Plan showing tunnels under Rosary Road, plan and cross-sections; 8ft to 1in; 1945
   13: S602/4; Earlham Road subsidence 28-9 July 1946, plan and cross-section, 4ft to 1 in; 1946
   14: Duplicate of No. 13
   15: S602/3; Earlham Road subsidences cross-sections, 4ft to 1in, 1938
   16: Duplicate of No. 15
   17: S602/6/2; City of Norwich air raid precautions Chalkhill works, off Rosary Road, 40ft to1in and 8 ft to 1 in; 1939
   18: S602/9/1; Unidentified cross section, possible element from No. 17, 4ft to 1 in, nd, [1939?]
   19: S602/6/1; Plan of Messrs H. Thompson & Sons chalk workings, Rosary Road, 1:500; 1939
   20: Duplicate of No. 19
   21: S. 602/1/2; Chalk workings at No 15 Earlham Road , 10 ft to 1 in and 1in to 1 ft, plan and cross section; 1954
   22: S. 602/3/2; Chalk working at No.5 Earlham Road, 1: 100; 1971
   23: S. 602/3/1; Earlham Road subsidence site plan; 1938
   24: S. 602/8; Churchill Road subsidence 8 Sep 1933, 8ft to 1 in, with annotations; 1933
   25: S. 602/11/1; Harford lime pits, also showing disused underground flint workings, 1: 500; 1935
   26: S 602/1/2; Harford estate lime kiln, original and copy, 1:250; 1933
   27: S. 602/11; Chalk workings in the Marston Lane area, 1: 500; 1949
   28: Duplicate of No. 27
   29: S. 602/11/1/1; Duplicate of No. 25, with annotations in red ink
   30: S 602/1/3; Copy of a 1905 tracing of a plan belonging to J. Barwell of Norwich, showing 'the beautiful & exclusive Vaults discovered on the 23rd December 1823 under the hill by St. Giles's Gate Norwich', no scale, 1905
   31: S 602/9; Plan showing subsidence in the passageway at the rear of Nos. 40 and 43, Knowsley Road; 4ft to 1in; 1940
   32: S. 602/1/1; chalk working opposite Ashford & Pike's , Earlham Road; plan and cross-sections; produced at Sewerage Committee 9 Mar 1954; 10in to 1 ft and 1/2 in to 1 ft; 1930
   33: S. 602/9/5; subsidences 1940, marked as red circles on Jarrold's Plan of Norwich, areas centre on Gas Hill, Ketts Hill, Gertrude Road, Churchill/Knowsley Road, and West Parade, 1in to 1000 ft; 1940
   34: S. 602/10; Chalk workings on Newmarket Road; plan of streets and underground workings; 1: 1250 and 10ft to 1in; 1944
   35: Duplicate of No. 34
   36: Duplicate of No. 30
   37: Duplicate of No. 3
   38: S602/2; Plan of land west of Mousehold Heath, annotated that 'Copy hereof accompanied letter of 15th Sept. 1910 to Messrs Smiths, Gore & Co.'; area around Kett's Cave higlighted, 1: 2500; 1910
   39: Duplicate of No. 8
   40: Duplicate of No.9
   41: S602/9/2; Record plan of subsidences Churchill Road and Knowsley Road (marked 1 of 2), 1:2500; 1940, marked on copy of City Architect's plan of 1907