Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

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10 5R 60 106 25 DIA WELDED 21 DIA 100 145 20 GRADUATE WEDGE (SEE NOTE 2) WELDED A WELDED ELAVATOR 50 3000 Notes : 1. All dimensions are in millimetres 31 12 2 24 5 30 30 30 HANDLE WELDED ELEVATION MARKING -15 -12 -9 -6 -3 +3 +6 +9 +12 +15 165 300 300 A (100x50) CHANNEL PLAN STRAIGHT EDGE 251 PLAN Quality Assurance Handbook for Rural Roads 2. In this design of the wedge, graduations are marked up to 15 mm. for measurements on subgrade and sub-bases, where variations are larger, a modified wedge with graduations up to 25 mm should be employed. TYPICAL DESIGN OF STRAIGHT EDGE AND WEDGE 16 600 100 WELDED 50 10 1 20 Dia Handle 5R 25 50 25 Section - AA 100 ANNEX 100.3
2. SECTION 300 : EARTHWORK 253 Quality Assurance Handbook for Rural Roads 2.1 : Earthwork and Subgrade/ Improved Subgrade in Embankment/ Cutting 1. Quality of Material for Embankment/ Subgrade/ Improved Subgrade (a) For earthwork in embankment, check its suitability by soil type and its soil group. This can be determined by adopting a Visual Soil classification System, using only hand-feel tests, as shown at Annex 1. Details of the three hand-feel tests required for classifying fine-grained soils are given in Appendix-1, paras 1.1, 1.2 and 1.3. A quick supplementary procedure for determining the presence of clay is performed by cutting a lump of dry or slightly moist soil with a knife. A shining surface imparted to the soil indicates highly plastic clay, while a dull surface silt or clay of slight plasticity. Using the following the suitability of soil as a fill material can be ascertained: Dry Unit Weight estimated from the soil group as per Table (Annex 300.2) on Average Engineering Properties of Soil Groups. Wherever suspect, Deleterious Material Content (Appendix 1, Para 4) should be determined. Wherever suspect, pH value to be determined using litmus paper strips (if pH>8.5, the soil is sodic in nature and unsuitable for use) Check, if the subgrade soil meets all the requirements of fill material as above, has the maximum dry unit weight (Proctor Test) and soaked CBR not less than the specified value. (b) Where a clayey subgrade soil/ black cotton soil with very low CBR value is to be improved by lime treatment, as per the provisions of the Contract, check from records if the purity of lime used for the purpose has been tested. It should be not less than 70% by weight of quicklime (CaO). (c) Check the lime treated soil for its Plasticity Index (PI). (d) Check, if prior to mixing of soil with lime, pulverization of soil clods was carried out as per requirements i.e, 100% passing 26.5 mm sieve and 80% passing 5.6 mm sieve. (e) Check, if the mixing of pulverised soil with lime was carried out thoroughly by using appropriate equipment like tractor-towed disc harrows/ tractor-towed Rotavator. 2. Compaction (a) Check, if the moisture content in the soil during compaction is close to the optimum by taking a handful of the wet soil on the palm of hand and attempting to make a ball out of it (Appendix 1, Para 5). The moisture content at which the ball of wet soil can retain its round shape is approximately the optimum. At moisture contents below the optimum, the ball tends to crumble while at moisture contents wet of optimum, the water will tend to ooze out of surface.
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Ministry of Rural Development Gover
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FOREWORD PREFACE ABBREVIATIONS QUAL
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Section 1100 PIPE CULVERTS 163 to 1
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PREFACE A good road network has an
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AE : Assistant Engineer AIV : Aggre
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1. BACKGROUND 1 Quality Assurance H
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3 Quality Assurance Handbook for Ru
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Material tests Workmanship tests Se
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2. Quality Management System (iii)
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2. Quality Management System A typi
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105. CONSTRUCTION EQUIPMENT 13 Qual
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B Do’s and Don’ts Do’s Don’
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201 & 202. SITE CLEARANCE A Methodo
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301. EMBANKMENT CONSTRUCTION A Meth
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(vii) Materials in a frozen conditi
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B. Earthwork for Subgrade (Cutting
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302. EARTHWORK IN CUTTING A. Method
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31 Quality Assurance Handbook for R
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B. Quality Control Requirements 1.
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SECTION 400 39 Quality Assurance Ha
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3. Section-400 (ii) Atterberg limit
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3. Section-400 C Do’s and Don’t
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3. Section-400 TABLE 402.2: GRADING
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3. Section-400 2. The pulverization
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3. Section-400 Table 403.3 : QUALIT
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3. Section-400 6. The cement stabil
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3. Section-400 6.3 Quality Control
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3. Section-400 14. In case the scre
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3. Section-400 TABLE 405.4: APPROXI
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3. Section-400 (ii) Grading Require
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3. Section-400 C Do’s and Don’t
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3. Section-400 408. Local materials
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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 (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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165 Quality Assurance Handbook for
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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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Page 184 and 185: 3. Section-1500 5 Mark location and
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Page 202 and 203: SECTION 1600 217 Quality Assurance
Page 204 and 205: 3. Section-1600 The prescribed road
Page 206 and 207: 3. Section-1600 C. Do’s and Don
Page 208 and 209: 1700. TRAFFIC SIGNS AND MARKINGS A.
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Page 216 and 217: 4.6 Settlement and Upheaval 235 Qua
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Page 240 and 241: 4. Section-500 (iii) Check the aggr
Page 242 and 243: 5. SECTION 1100:PIPE CULVERTS 267 Q
Page 244 and 245: 6. SECTION 1300: PROTECTION WORKS A
Page 246 and 247: 4. Section-1500 In case of cracked
Page 248 and 249: 4. Section-1700 2. Road Markings C
Page 250 and 251: Appendix-1 1.4 Estimating Plasticit
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Page 256 and 257: Appendix-1 (ii) Workability: Take a
Page 258 and 259: Appendix-2 Curing : Covering the c
Page 260 and 261: Appendix-3 Sr. Code/ Title of the P
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