Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

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105. CONSTRUCTION EQUIPMENT 13 Quality Assurance Handbook for Rural Roads 1. For ensuring quality of work, an appropriate technology must be adopted. In the context of rural roads, an appropriate technology implies an optimum blend of manual methods and mechanical equipment of adequate capacity which may also involve use of agricultural implements towed by tractor. Guidelines for choosing appropriate equipment and technology for rural roads are given at Appendix-2. 2. Ensure that the equipment deployed is appropriate to the work and is properly operated and maintained. 3. Arrange a trial run of the equipment before commencement of the work. 4. Ensure that no equipment is deployed at or removed from the site of work without prior approval of the employer. 108. SETTING OUT A Methodology 1. Establish working bench marks at 250 m intervals and also at or near all drainage structures and bridges on the road. All the bench marks should be tied with the Reference Bench Mark in the area. 2. In hilly areas, reference pillars handed over by the Engineer to the Contractor shall work as bench marks. 3. Establish centre line of the carriageway and have it referenced by marker pegs and chainage boards set near the road land boundary at 50 m intervals for roads in plain and rolling terrains. For roads in hilly areas and on curves in plains, the interval of reference pegs should be 20 m. For sharp curves, the interval should be 10 m and for hair pin bends the interval should be 5 m. 4. For hill roads, the valley side top edge of reference pillar shall be at ground level. The top levels of reference pillars should be tied with the level of Bench Mark adopted in the DPR. 5. For hill roads, back cutting line shall be demarcated on the hill face by digging, taking into account the designed slope of hill cutting. Back pillars showing the requisite information should be located at about 1.5 m away (towards hill side) from the back cutting line. Alternatively, back pillars can also be fixed on any permanent existing structures in difficult terrain. Check distance of back cutting line from reference pegs. 6. Prepare a schedule of reference dimensions and maintain the markers/ reference pillars until the works reach finished formation level and are accepted by the Engineer. 7. Verify the dimensions and levels, shown on the drawings or mentioned in contract documents, on the site and inform the Engineer of any apparent errors or discrepancies. 8. The lines and levels of formation, side slopes, drainage works, carriageway and shoulders should be carefully set out and frequently checked, care being taken to ensure that correct gradients and cross-sections are obtained everywhere. 9. The plan dimensions of the foundations for culverts shall be set out at the bottom of foundation trench and checked with reference to original line of reference and axis.
3. Section-100 B Quality Control Requirements 1. Horizontal Alignment Horizontal alignment shall be reckoned with respect to the centre line of the carriageway as shown on the drawings. 2. The permitted tolerances are given in Table 108.1 C Do’s and Don’ts Alignment Plain and Rolling Terrain Hilly Terrain Edges of carriageway ± 20 mm ± 30 mm Edges of roadway and / lower layers of pavement ± 30 mm ± 50 mm 1. Check whether Reference benchmark is indicated on the drawings. 2. Regularly check the working bench marks as work proceeds. 3. Arrange safety of survey bench marks, monuments, beacons etc. and reference pillars in hilly areas 4. Check layout of Curves. 5. Supply a copy of survey file containing the necessary data to the Engineer for his record. 109 & 110. PUBLIC UTILITIES AND ENVIRONMENT A Methodology TABLE 108.1: PERMITTED TOLERANCES Do’s Don’ts 1. Verify at site, public utilities like water pipes, sewers, electric lines, telephone cables etc. included in contract documents. 2. Arrange for regular meetings with various agencies owning utilities at the commencement and throughout the duration of the works. 3. Temporarily support the utilities affected by the works. 1. Don’t commence work until the initial center line is established by marker pegs and cross sections at specified intervals have been approved by the Engineer. 2. Do not remove reference pegs, pillars or markers without approval of the Engineer. 4. Assist agencies owning the utilities in carrying out the works with approval of the Engineer. 5. Abide by all laws, rules and regulations in force governing pollution and environment and wild life protection, applicable in the area. 6. Obtain approval of concerned authorities for obtaining materials from quarries and for locating plant and equipment. 14
Page 2 and 3: Ministry of Rural Development Gover
Page 4 and 5: FOREWORD PREFACE ABBREVIATIONS QUAL
Page 6 and 7: Section 1100 PIPE CULVERTS 163 to 1
Page 8 and 9: PREFACE A good road network has an
Page 10 and 11: AE : Assistant Engineer AIV : Aggre
Page 12 and 13: 1. BACKGROUND 1 Quality Assurance H
Page 14 and 15: 3 Quality Assurance Handbook for Ru
Page 16 and 17: Material tests Workmanship tests Se
Page 18 and 19: 2. Quality Management System (iii)
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Page 24 and 25: B Do’s and Don’ts Do’s Don’
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3. Section-400 B. Quality control r
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3. Section-400 409. LIME-FLYASH STA
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3. Section-400 4. Surface Regularit
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3. Section-400 (ii) Slag The broad
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3. Section-400 6. The thickness of
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3. Section-400 2. Horizontal Alignm
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SECTION 500 BITUMINOUS 81 Quality A
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3. Section-500 (iii) In the final l
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3. Section-500 3. The primer should
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3. Section-500 B. Quality Control R
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3. Section-500 TABLE 504.2: PHYSICA
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3. Section-500 5.3 Quality Control
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3. Section-500 (b) Bitumen The bind
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3. Section-500 TABLE 506.1 RATE OF
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3. Section-500 TABLE 507.1: NOMINAL
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3. Section-500 5. Quality Control T
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3. Section-500 TABLE 508.1.1 : QUAN
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3. Section-500 Table 508.1.3: QUALI
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3. Section-500 B. Quality Control R
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3. Section-500 (ii) Immediately the
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3. Section-500 512. MODIFIED BITUME
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3. Section-500 TABLE 512.5 : REQUIR
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Annex-III & IV DETERMINATION OF IN-
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SIMPLE/HANDFEEL TESTS 600 600.1 Bri
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119 Quality Assurance Handbook for
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SECTION 600 121 Quality Assurance H
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3. Section-600 4. Build the courses
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3. Section-600 (v) Storage of mater
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3. Section-600 3.3. Quality Control
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700 : STONE MASONRY FOR STRUCTURES
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(v) Stone Masonry 133 Quality Assur
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4.2. Tests / checks during construc
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SECTION 800 CONCRETE FOR STRUCTURES
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3. Section-800 2. Proceed with conc
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3. Section-800 TABLE 800.3: REQUIRE
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3. Section-800 c. The strength of a
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3. Section-800 4.2 Tests / checks d
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SECTION 900 149 Quality Assurance H
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3. Section-900 2. Lower centering g
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3. Section-900 C. Do’s and Don’
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1000 STEEL REINFORCEMENT A. Methodo
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3.2 Tests during construction 159 Q
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1100: PIPE CULVERTS A. Methodology
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SECTION 1200 167 Quality Assurance
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3. Section-1200 A2 Substructures Th
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3. Section-1200 4. Provide 75 mm ce
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3. Section-1200 (2) Tolerances 1200
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3. Section-1200 3.2 Tests / checks
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3. Section-1300 A-3 Toe Protection
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3. Section-1300 2. Stones for pitch
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3. Section-1400 3. Give streamline
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3. Section-1400 2. Tests during con
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3. Section-1500 5 Mark location and
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3. Section-1500 (iv) Water Water us
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3. Section-1500 TABLE 1501.3: QUALI
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3. Section-1500 2. Check the in-sit
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3. Section-1500 TABLE NO. 1502.3: P
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3. Section-1500 1503: RECTANGULAR C
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3. Section-1500 3.2 Tests during co
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3. Section-1500 1504: INTERLOCKING
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3. Section-1500 2. Quality Control
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3. Section-1600 The prescribed road
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3. Section-1600 C. Do’s and Don
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1700. TRAFFIC SIGNS AND MARKINGS A.
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1904 : MAINTENANCE OF BITUMINOUS SU
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4.6 Settlement and Upheaval 235 Qua
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2. Surface Finish 237 Quality Assur
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1908 : MAINTENANCE OF CULVERTS AND
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4. Quality Monitoring only in excep
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1. SECTION 100: GENERAL 1.1: Qualit
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10 5R 60 106 25 DIA WELDED 21 DIA 1
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4. Section-300 (b) Carry out an ins
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4. Section-300 Photo 1. Visual Clas
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Test 1 261 Quality Assurance Handbo
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4. Section-500 (iii) Check the aggr
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5. SECTION 1100:PIPE CULVERTS 267 Q
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6. SECTION 1300: PROTECTION WORKS A
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4. Section-1500 In case of cracked
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4. Section-1700 2. Road Markings C
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Appendix-1 1.4 Estimating Plasticit
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Appendix-1 1.8 Simple Gadgets for E
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Appendix-1 (ii) Make two identical
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Appendix-1 (ii) Workability: Take a
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Appendix-2 Curing : Covering the c
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Appendix-3 Sr. Code/ Title of the P
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Quality Assurance Handbook for Rura
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Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

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