motakatla - dudyala km 2.80

6
 2.0 Estimate Provisions and Stage of Works Name of the work : Description of items Specification Stretches 1 150 301 km: 2/8 2 Providing VCC (1:3:6) 300 1500, 1700 & 2100 km: 2/8 3 1500, 1700 & 2100 km: 2/8 4 1500, 1700 & 2200 km: 2/8 5 1500, 1700 & 2200 km: 2/8 6 Providing 20 for !e"k #$a% 300 10 1500, 1700 & 2200 km: 2/8 7 75 '05 1500,1600 1700 & 2702 km: 2/8 8 2000 2200 km: 2/8 Providing SS Revetment 2504 km: 2/8 2'1 Progre(( of )ork (in"e $a(t *+ in(e"tion : -h i( i( the fi r(t in(e"tion' 2'2 !eviati on( made if .n : !eviation( not given' Sl. No. Thick in mm Width in mts arth work e"avation in (oi$( to #! varing width varing width Providing ++ 15 for footing( and fondation( varing deth( varing width Providing ++ 15 for #% #tr"tre varing deth( varing width Providing 20 for ed $o"k( & a"king wa$$( varing deth( varing width Providing 30 for )earing "oat over !e"k #$a% Back Filling behing abutment varing width varing deth( varing width

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Sheet2 (2)2.0 Estimate Provisions and Stage of WorksName of the work :Sl. No.Description of itemsThick in mmWidth in mtsSpecificationStretchesStage of Work1Earth work excavation in soils upto SDR150varying width301km: 2/8Completed2Providing VCC (1:3:6)300varying width1500, 1700 & 2100km: 2/8Completed3Providing VCC M15 for footings and foundationsvarying depthsvarying width1500, 1700 & 2100km: 2/8Completed4Providing VCC M15 for Sub Structurevarying depthsvarying width1500, 1700 & 2200km: 2/8Completed5Providing M 20 for Bed Blocks & Backing wallsvarying depthsvarying width1500, 1700 & 2200km: 2/8Completed6Providing M 20 for Deck Slab300101500, 1700 & 2200km: 2/8Completed7Providing M 30 for Wearing coat over Deck Slab759.051500,1600 1700 & 2702km: 2/8Completed8Back Filling behing abutments2000varying width2200km: 2/8Completed9Providing SS Revetmentvarying depthsvarying width2504km: 2/8Completed2.1Progress of Work since last QC inspection :This is the first inspection.2.2Deviations made if Any :Deviations not given.

5.0 Summary 5.0 SUMMARY OF Q C TESTS5.1Quality Control Tests By Field Staff :Sl No.Description of workType of testMethodFrequency for each testTotal quantity Executed in cumNo. of TestsRequired as per MORTH1Soils used for embankement or barrow soilsMaximum particle sizeIS: 2720 -part IV 19652 tests for 3000 cum18211132sand contentIS: 2720 -part IV 19652 tests for 3000 cum133Atterbergs limitsIS: 2720 -part V 19652 tests for 3000 cum( for each soil type)134Max. dry densityIS: 2720 -part VIII 19652 tests for 3000 cum( for each soil type)135Density of compacted layerIS: 2720 -part 281 test for 1000 cum196Moisture content field ompactionIS: 2720 -part II 19651 test for 250 cum737C B RIS: 2720 -part XVI 19651 tets for 3000 cum78Free swell index for expansive soilsIS: 2720 -part 401per source19Granualar base or sub baseGradationIS: 2720 -part IV 19651 test for 200 cum22431210Atterberg limits(LL,PL &PI)IS: 2720 -part IV 19701 test for 200 cum1211Moisture content field ompactionIS: 2720 -part II 19731 test for 250 sq.m6012Density of compacted layerIS: 2720 -part 28 19741 test for 500 sq.m3013C B RIS: 2720 -part XVI 1965As required114W M MGradationIS: 2386 -part I 19631 test for 100 cum17961815A I VIS: 2386 -part IV1 test for 200 cum916F I VIS: 2386 -part I 19631 test for 200 cum917Water absorptionIS: 2386 -part III 19631 test for 100 cum1818Density of compacted layerIS: 2720 -part 28 19741 test for 500 sq.m18Pavement conctrete19Course aggregateGradationIS: 2386 -part I1 test for every days work146520A I VIS: 2386 -part IVonce for each source121Water absorptionIS: 2386 -part III 19631 test per day522ConcreteStrength of concreteIS: 516-19596 cubes for 150 cum(3 for 7days and 3 for 28 days)min.6 cubes per day109623slump cone testIS: 1199-19591 test for each dumper load(10 cum)11Structural Concrete24Course aggregateGradationIS: 2386 -part I1 test for 15 cum3522425A I VIS: 2386 -part IVonce for each source126F I VIS: 2386 -part I 1963once for each source127Water absorptionIS: 2386 -part III 19631 test per day528ConcreteStrength of concreteIS: 516-19591 for 1-52for 6-153 for 16-304 for 31-50+1 test for each 50 cum2501229slump cone testIS: 1199-19591 test for each dumper load(10 cum)2530Mix designIS: 10262 & SP 231 per source131SandGradationIS: 2386 -part I1 test for 15 cum2491732BulkageIS: 2386 -part IIIonce for each source133Fineness modulusIS: 2386 -part I 1963once for each source134Clay contentIS: 2116 -once for each source1The field officers are not conducting sufficient No. of quality control tests both on materials and workmanship there are chances to occur damages as such they are requested to watch the performance of the work at closer intervals and take necessary steps for rectification of such type damages if occurs duly notifying to the contractor.The field staff have furnished the extract of QC tests conducted and shortfall tests are shown in Annexure. Quality control tests have to be conducted as per the table 900.3,900.4 and 900.6 of MORTH specifications.The Q C tests done by AEE are inadequate. The DEE & EE had not furnished Q C test records conducted independently during the present inspection.As per clause 1.11 of IRC SP - 11 " Quality Control for construction of roads and runways ", Out of total tests, preferably 70% to be carried out by AEE/AE, 20% by DEE & 10% by EE.The field officers shall carry out quality control tests on the materials namely bitumen mineral aggregates used in MSS item of work to the frequency stipulated in the table 900-4 which is in MORTH Specification IV revision.The field officers shall carry out quality control tests on materials used in WMM and satisfy the requirements specifed in MORT&H. Further the Executive Engineer has to obtain mix design for GSB and WMM and shall conduct trial test based on results obtained in trial tests, the mix design shall accorded then only work shall be started but this is not followed.Further after completion of the work the field officers shall conduct necessary quality control tests on finished items of works and to ascertain the test results obtained is whether within the acceptance criteria or not as specified in table 903.4.2 which is as follows.903.4.2Acceptance Criteria : The acceptance criteria for tests on density and Marshall stability shall be subject to the condition that the mean value is not less than the specified value plus :1.65 -1.65(No. of samples) 05The field officers have not furnished Quality control test records.As per clause 1.11 of IRC SP-11 Quality Control for construction of roads and runways. Out of total tests, preferably 70% to be carried out by AEE/AE, 20% by DEE & 10% by E.E. The test result record register shall be presented to the QC staff during there inspection. This is not followed.

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Sheet6ObservationsSl No.ItemsObservedAs per Mbook recordedRemarksL/s (m)R/s (m)RCC SLAB in km 2/81body wall length21.0021.62Not SubmittedThe field officers are hereby instructed to submit the extracts of M Book for verification2top width0.400.403Vent width3.004Depth of the body wall below the Sill could not be verified due to stagination of water--5Outer to Outer body wall10.00Assist.Exe.Engineer(R&B)Dy.Exe.Engineer(R&B)QC Section, KadapaQC Sub Division, Kadapa