Appendix C Geotechnical Investigation Report CONSULTANT: CIVILWORKS LABORATORY PRIVATE LIMITED, No: 04 PLYMOUTH ROAD, SOUTHERTON, HARARE. Tender number: NATCOMP 95/2017: R/40745 NATPHARM MUTARE: PROVISION OF GEOTECHNICAL CONSULTANCY SERVICES:- INVESTIGATIONS SURVEY PROPOSED MUTARE REPORT WAREHOUSE P a g e 0 | 42 Table of Contents Preamble: ...................................................................................................................................................... 4 Database: ...................................................................................................................................................... 4 Objectives of the survey: .............................................................................................................................. 4 Historical Review: .......................................................................................................................................... 5 Field Work: .................................................................................................................................................... 6 Laboratory and office works: ........................................................................................................................ 6 Four boreholes site description: ................................................................................................................... 6 Sites geology:- ............................................................................................................................................... 6 Geological Hazard Report: ............................................................................................................................ 7 Hydrology:- .................................................................................................................................................... 7 SPT Test method: ........................................................................................................................................ 8 SPT logging sheets: ........................................................................................................................................ 8 Notes on borehole no: 01 .............................................................................. Error! Bookmark not defined. Borehole No: 01 profile:.............................................................................................................................. 10 Notes on borehole no: 02 .............................................................................. Error! Bookmark not defined. Borehole No: 02 profile ............................................................................................................................... 13 Notes on borehole no: 03 .............................................................................. Error! Bookmark not defined. Borehole No: 03 profile: ............................................................................................................................ 13 Notes on borehole no: 04 .............................................................................. Error! Bookmark not defined. Borehole No: 04 profile:................................................................................. Error! Bookmark not defined. Notes on borehole no: 05 .............................................................................. Error! Bookmark not defined. Narrative of initial location of borehole No: 05 .......................................... Error! Bookmark not defined. Borehole No: 05 final location narration ...................................................... Error! Bookmark not defined. Borehole No: 05 profile: ............................................................................... Error! Bookmark not defined. Borehole no: 06 position A: .......................................................................... Error! Bookmark not defined. Initial borehole six narration: ........................................................................ Error! Bookmark not defined. Borehole No: 06 position B: ........................................................................... Error! Bookmark not defined. Borehole No: 06 position C: ........................................................................... Error! Bookmark not defined. Borehole No: 06 profile: ............................................................................... Error! Bookmark not defined. Boreholes profiles: ...................................................................................................................................... 17 TENDER NUMBER: NATCOMP 95/2017: R/40745 1 Foundation indicators: Table No: 01 ........................................................................................................... 18 Summarized Insitu soil boreholes profiles: Table 02 .................................................................................. 18 Boreholes No: 01 – 03 Cores analysis: Table No: 03a ................................... Error! Bookmark not defined. Boreholes No: 04 – 06 Cores analysis: Table No: 03b ................................... Error! Bookmark not defined. Table No: 04 .............................................................................................................................................. 19 Notes on table No: 04 ............................................................................................................................... 19 Interpretive Report: ....................................................................................... Error! Bookmark not defined. Boreholes water table: ................................................................................................................................ 21 Proposed design parameters as from SPT profiles: Table 05 ..................................................................... 21 Table No: 2 ................................................................................................................................................. 21 Design solutions: ......................................................................................................................................... 21 Proposed Structures Categories:- ............................................................................................................... 22 Lightly loaded structures ........................................................................................................................... 22 Medium loaded structures ........................................................................................................................ 23 Heavily loaded structures.......................................................................................................................... 23 Very Heavily loaded structures ................................................................................................................. 23 Construction problems: - ............................................................................................................................ 23 Construction monitoring: ............................................................................................................................ 23 Proposed Structures Hardcore Treatment ............................................................................................... 24 Trial Pit ....................................................................................................................................................... 24 Table 07:..................................................................................................................................................... 25 Observations in trial pit: ............................................................................................................................. 25 Laboratory and Field tests results: .............................................................................................................. 25 Table 08. (Foundation indicators):- ............................................................. Error! Bookmark not defined. Founding on rock: ....................................................................................................................................... 25 Rock Permeability: ...................................................................................................................................... 26 Groutability tests ........................................................................................... Error! Bookmark not defined. Other Tests: .................................................................................................... Error! Bookmark not defined. Dynamic Cone Penetrometer – Bentonite Slurry Tests: ................................ Error! Bookmark not defined. Appendix 1: Tabulation of field and laboratory tests: ................................... Error! Bookmark not defined. TENDER NUMBER: NATCOMP 95/2017: R/40745 2 Appendix 2: Rock tests results: ...................................................................... Error! Bookmark not defined. Borehole ......................................................................................................... Error! Bookmark not defined. Uniaxial Load Rock Tests ............................................................................ Error! Bookmark not defined. 10% FACT Summary of results: .................................................................