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PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation CONTENT Introduction 1.1 General 1.2 Legal basic 1.3 Scope of work 1.4 Location of survey area 1.5 Study scope and Standard system application Quantity of geotechnical investigation Equipments Survey method 4.1 Exploration Drilling process and Sampling Laboratory Test Daily report and Photographs 8 6.1 Daily report 6.2 Photographs Geotechnical characteristics of the project area 7.1 Geological feature of area 7.2 Tectonics and Earthquake 11 7.3 Hydrogeological condition 11 7.4 Strata main of the investigation area 12 Conclusions and recommendations 13 8.1 Conclusions 13 8.2 Recommendations 14 PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation Appendices Location of boreholes Appendix No1 Boring logs Appendix No2 Sumary of laboratory result Appendix No3 Geologycal profiles Appendix No4 Daily report and Photographs Appendix No5 Local Geological map Appendix No6 PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation Introduction 1.1 General - Looking for a quarry site available producing suitable rock materials used for VPR Bai Goc seaport Project at Dong Hoa District – Phu yen province, survey construction will provided to proved rock for the project area as preliminary estimate quatity and volume of rock Engineering geologycal investigation consists of drilling, sampling, laboratory testing - The contract has sighed 25/07/2014 by Technology construction consulting and commercial with Vung ro petroleum liability limited co - The geological survey work in situ has started September, 30th 2014 and completely October, 15th 2004 Map of locaiton survey of the project area PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation 1.2 Legal basic  Construction Law No 16/2003 QH11 by Social Republic of Viet Nam’s national Assembly at the 4th meeting on construction, tenure XI on 26th November 2013  Decree No 209/2004/NĐ – CP by Government dated 16th December 2004, stipulating the management of construction quality  Decree No 12/2009/ NĐ – CP dated February 10, 2009 by Government  Decree No 12/2006/CT – BXD dated November 11, 2006 by Government  Circular No 12/2005/TT – BXD dated July 15, 2005 by Ministry of Construction Instruction for some contents of construction project management and ability terms of individuals and organizations of construction activity  Circular No 49/2008/NĐ – CP dated April 18, 2008 for modification, supplementary of Decree number, 209/2004/NĐ – CP dated September 16, 2004 stipulating the management of construction quality  Survey Task and Survey Execution Plan Which were approved by PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL (JSC)  The geotechnical investigation for the project was carried out based on the following document:  Economic contract on soil investigation for Looking for a quarry site available producing suitable rock materials used for VPR Bai Goc seaport project 1.3 Scope of work The geological survey work aims to supply information about geotechnical condition of the mining material area, defines boundary of layer, Soil sampling and Rock sampling in order to determine physical – mechanical The depth of borings and the type of samples to be taken at each hole will be as directed by the Client The finish depths of the borings are shown in the table quantily (table 2) The actual depth of each borehole will depending on actual thickness and conditions weathered rock Based on the soil classification, assess geotechnical and estimated the actual volume, quality of rock material PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation 1.4 Location of survey area Location of bore hole in the plan area is at Bai Nga – Dong Hoa District – Phu Yen Province Based on determine coordinates of boreholes, positions are determined by GPS tool and about elevation had provided by Client 1.5 Study scope and Standard system application  Technical specification of the project area follows as: A American Standards ASTM No Tests American Standards ASTM Drilling 1.1 Auger Borings ASTM D 1452-80 1.2 Field Logging ASTM D 5434-03 1.3 Classification of Soils for engineering ASTM D 2487-06 Purposes 1.4 Descriptionand Identification of Soils ASTM D2488-06 1.5 Core drilling ASTM D 2113-83 ASTM D 2113-06 Sampling 2.1 Guide for sampling ASTM D 420 2.3 Field Logging ASTM D 5434-03 2.5 Soils - Sampling, packing ASTM D 4820 2.6 transportation and curing of samples Rock 3.1 Standard Test Method for Unconfined Compressive Strength of Intact Rock Core Specimens B ASTM D 2938-95 Other Reference standards:  Method statement for Geotechnical Investigation was approved by Engineer of Employer  ASTM – American Society for testing and Material PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation  BS – 5930: 1999 Code of Practice for site investigation British Standards instution  TCVN – Vietnam Construction Standard (22TCN 259 – 2000) Soil names was determined by site boring record of the boreholes Soil layers were determined based on classification in situ, state and distribution of them Quantity of geotechnical investigation Site investigations were include drilling, taking sample: Drilling and taking samples at Borehole; 42 taken samples in situ and 10 taken samples were tested in laboratory; More details on quantity of works are shown on table QUANTITY OF WORKS INVAGETIGATION No Borehole Actual coordinates X BH01 BH02 Y 1428479.00 602339.00 1428363.00 602270.00 TOTAL Elevation Depth of (m) Borehole +52.50 +117.00 41.00 55.00 96.00 Sampling Rock sample 16 17 33 Number of core Disturbed box sample 11 19 Equipments Using 01 drilling machines XY – 1A Made in China with maximum capacity of 150m Following equipments were used for site investigation: Table No.3: Equipments were used for the site investigation No Equip Name Rotary coring type Hydraulic pump Positioning Leveling SPT Double tube Drilling rod Model/Manufacturer Capacity Unit Quantity XY-1A, XJ100/China 150m No 02 China Total Station/England DGPS/France Pentax/Japan Vietnam Vietnam China - No - No - No No Set Meter 02 01 01 01 02 02 140 PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation Casing Other appliance China - - Meter - 60 - Manpower attended in the investigation is shown in the table below Table No.4: Manpower No Job & Degree Qualified geotechnical engineer Geotechnical engineer Worker Operator Surveyor Lab staff Geotechnical engineer Responsibility Manager & officer in charge Field manager and recording Drilling Number Remarks 01 QC Operate drilling Positioning and leveling Lab testing Making report 01 - 05 - 011 - 05 02 - Survey method 4.1 Exploration Drilling process and Sampling Drilling methods shall be rotary, core rotary or percussion drilling with betonies solution The core samples are taken 100% by double core tube according to ASTM D 2113-06 The equipment ensures the core samples with proper condition during investigation The rock sample are taken by diamond drill bit, shall allow the assessment of total core recovery (TCR), solid core recovery (SCR), and fracture index and rock quality designation (RQD) Laboratory Test Physical – mechanical properties of rock (specific gravity, Determination of amorphous silicate content, water absorption test, Determination of alkali silica reactivity and Unconfined compression test of rock.) are determined in accordance with Vietnamese standard and American standard ASTM D854, C3111-2007, D 2938-95,C 127, C 227 PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation Daily report and Photographs 6.1 Daily report A daily quantity Report shall be completed by Geotechnical engineer and agreed to by the Client upon completion of each day’s work by Geotechnical engineer will come to agreement with the Client or his representative on quantities of work performed each day Daily report shall be supplied for the Client sighed by Geotechnical engineer and the Client upon the completion of each day’s work 6.2 Photographs All the field investigation such as boring, sampling have taken photographs More details in photograph can be see in appendix No (inserted in the daily reports) Geotechnical characteristics of the project area 7.1 Geological feature of area Based in geology map sheet of Tuy Hoa 1:200 (D-49-XXVI) on 1:200.000 scale, which was issued by the Geological Bureau, geological structure in the geological investigation area are divided as follows: Bedrock Complex Deo Ca (yD-yl;-yK de): The Complex Deo Ca is exposed in Tra Buc, Muong Han, Song Cai, Nui Huang and Deo Ca massifs It is composed of intrusive phases and dyke phase - Phase (Kđc1): exposed in the northern margin of the Deo Ca massif in some small bodies It is composed of biotite-hornblende granodiorite and biotite-hornblende granomonzonite These rocks are grey coloured with pink spots, irregularly smallgrained, of massive structure and hemidiomorphic texture Mineral composition (%): plagioclase = 28-47; quartz = 17-28; kalifeldspath = 18-40; biotite = 5- 15; hornblende = 0-8; together with sphene, apatite, zircon and magnetite - Phase ( đc2): is the main component of the Complex Deo Ca It is composed of biotite granosyenite and biotite (hornblende) granite These rocks are pinkgrey coloured, coarse-grained, of massive structure and hemidiomorphic texture, but PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation widespread porphyritic texture, with pink kalifeldspath as phenocrysts, 0.5 - 2.5cm in size, on a medium-grained groundmass Mineral composition (%): plagioclase = 14-32; quartz = 18-34; kalifeldspath = 30-62; biotite = 3-10; hornblende = 0-5 together with sphene, apatite, zircon and magnetite - Phase (đc3): exposed in the Deo Ca massif in some small bodies It is composed of biotite granite and biotite granosyenite These rocks are pink coloured, irregularly small-grained, of massive structure and hemidiomorphic texture Mineral composition (%): plagioclase = 22-33; quartz = 25-38; kalifeldspath = 33-39; biotite = 36 together with sphene, apatite and tourmaline - Dyke phase: found in almost all massifs of the complex The dykes are usually some decimetres to some metres thick, stretching on tens metres They are composed of aplitic granite, pegmatoids and small- grained porphyritic granosyenite Accessory mineral association in hard rock concentrates panning samples (g/t): magnetite = 1,014.9; ilmenite = 13.33; hematite = a little, pyrite = 2.96, sphene = 87.81; apatite 0.49; zircon = 7.09; cyrtolite = 0.7 together with molybdenite, anatase, fluorite, rutile and tourmaline Petrochemically, the described rocks belong to the calc-alkaline line rou alkaline t e with otassiumoften prevailing over sodium (Na / K = 0.51 - 0.87) According to the classification of Chappell and White (1974), they belong to the I-granite typc, or after Ishihara S (1977), to the magnetite granite series Significant microelements (clarke): Sr = 0.66 - 1; Ba = 0.38 - 0.56 having high frequency (82-100%); Co = 3.5; Ni = 1.5 - 5.6; Cu = 2.58; Pb = 2.4; Ag = 200; Sn = 3.77; Mo = 8; Yb = 2.78 and Zn = 1.66 - 4.16 Related minerals: Cu-Mo (Deo Cll massif) Granosyenite of the Deo ca Complex penetrates granodiorite of the Upper Jurassic Dinh Quan Complex, observed at Hoa Nguyen, felsic cffusives of the Cretaceous Nha Trang Formation, observed at Niii Huong, as well as Lower Jurassic Dray Linh Formation in the northern foot of the Deo Cll massif Isotopic datation (K-Ar) of biotite from granite collected in the northern foot of the Deo Cll massif gives a value of 127 Ma (Nguyen Xu an Bao and Huynh Trung, 1980), and from granite of the Deo Cll massif gives 87 ± 3.3 Ma (Lasser, 1974) All above-cited factual data allow to date the complex as Cretaceous Quaternary deposite PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation Lower Pleistocene, upper part: Tuy Hoa Formation (amQ/ th).The Tuy Hoa Formation was described recently by Tran Tinh and VG Van Vinh (1993) while surveying the Tuy Hoa map sheet on 1:200000 scale, grouping fluvio-marine sediments lying in the depth from 76.8 to 106.5m (borehole TH.2 at Dong Tac village, Tuy Hoa District) beneath the Tuy Hoa plain The section IS composed of members: - Member (106.5 - 102.2m): cobble, pebble, granule grading upward to sandf grit and clay with interbeds of clayish silt; 4.3m thi~k Grain composition of pebble and granule consists of siltstone, rhyolite, arkosic sandstone and quartz Granulity composition (%): pebble-grit (1- 5mm in size) = 13-20; coarse sand = 30-40; mediumgrained to fine sand = 30-40; clay-silt = 10-15; cobble 95%, RQD>95% PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page 12 PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation Layer No4 is defined as slightly to fresh granite rock In this one, the color of rock didn’t changed rock of materials (ogiginal color increases) whole texture and structure same intack rock, hard deposit The elevation of surface layer is encounterd in borehole from +34.10m(BH01) to +84.90m(BH02) However boreholes finished we was undefine bottom of layer at BH02 Table: Total results of laboratory test No No BH BH01 No Sample Depth Specifi c gravity Determination of amorphous silicate content (mmol/l) Determination Water of alkali silica absorption reactivity test (%) (mmol/l) Compression test (Kg/cm2 ) dry saturated conditon 1211.78 1174.07 R11 23.05-23.35 R13 26.00-26.30 2.71 23.21 0.07 72.50 1311.34 1233.64 R16 32.00-32.25 2.70 11.55 0.33 165.00 1286.45 1195.94 R18 37.40-37.65 2.71 21.16 0.04 84.20 1304.49 1271.64 R14 35.00-35.25 1286.49 1217.66 R16 39.00-39.20 2.72 24.52 0.07 60.50 1217.31 1196.91 R18 44.00-44.20 2.72 18.32 0.21 147.50 1257.8 1199.14 1102.63 1004.74 2.71 16.37 0.27 155.80 1131.78 1090.52 1215.04 1167.83 1232.51 1175.21 BH02 R19 47.00-47.20 R20 50.00-50.20 10 R22 54.00-54.25 AVER AGE VALUE TEST 2.71 19.19 0.17 114.25 At borehole BH01, the depth of borehole is from 39.0 m to 41.m The rock had fissured and weathered The composition main is sandy clay mixed grevel, boulder (layer V) Conclusions and recommendations 8.1 Conclusions Based on the results mention above, some conclusions can be given, as follows: Stratum of investigation area consists of 04 layers Layer No.1(I): Stiff to very stiff,brownish grey, reddish brown, sandy clay with grave Layer No2 (II): Zone of fissure and weathered rock Composition main with sandy clay, gravel, boulder Layer No3(III): Zone of Highly to completed weathered granite rock: brownish grey, brown PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page 13 PROJECT : LOOKING FOR A QUARRY SITE AVALILABLE PRODUCING SUITABLE ROCK MATERIALS USED FOR VPR BAI GOC SEASPORTLFOR A QUARRY SITE SEAPORT PROJECT Report on soil investigation Layer No4(IVa): Slightly to fresh granite rock: hard, little fissured, whitish grey, pinkish gre, black spot, massive structure, granular texture, TCR >95%, RQD>95% In general, this investigation results consistent with the result of Feasibility study 8.2 Recommendations On Based result of survey engineering geological, laboratory test assessment following as: Structure of plan survey area has had thickness of zone highly to completely weathered granite rock is about 18-19,0m In the Layer I and Layer II, has included many boulder and gravel, the boulder has shapes and sizes much difference In consideration of technical and economical, in Layer IVa, the granite rock which suggested to give priority and used to provide rock for the project area construction PORT TECHNOLOGY CONSTRUCTION CONSULTING AND COMMERICAL ( JSC) Page 14