Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

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3. Section-400 C Do’s and Don’ts 407. Shoulder Construction A. Methodology Do’s Don’ts 1. Ensure compliance of all material and plant requirements. 2. Check aggregate for soundness test when water absorption is more than 2 %. 3. Build shoulders simultaneously along with WMM layers. 4. Remove BT surface before WMM is laid on an existing road. 1. The construction of shoulders (whether hard/gravel or earth with brick or stone block edging) on either side of the road pavement, should be in conformity with the specified lines, grades and cross-sections. 2. The shoulders with specified dimensions should be constructed in layers, each layer matching the thickness of adjoining pavement layer. 3. After a pavement layer and the corresponding layers in hard and earth shoulder portion have been laid and compacted, the construction of next pavement layer and shoulder should be taken up. 4. The adjacent layers having same material should be laid and compacted together. However, where the materials in adjacent layers are different, these should be laid together, but the pavement layer should be compacted first. 5. Where hard/gravel shoulders have to be provided alongside the existing carriageway, the existing shoulders should be excavated in full width and to the required depth to ensure proper compaction. 6. For earth shoulders with brick/stone edging, the bricks/stone blocks should be laid on edge, with the length parallel to the transverse direction of the road. These should be laid on a bed of 25 mm sand, set carefully, rolled into position by a light roller and made flush with the finished pavement level. 7. Earth/gravel shoulder should be compacted to at least 100 per cent of maximum dry density as per IS:2720 Part 7. 8. In order to shed off surface water, the required cross-fall should be maintained during all stages of construction. Normally cross-fall on shoulder should be 1 per cent higher than the camber on the main carriageway. 64 1. Do not use material other than crushed stone. 2. Do not allow segregation or pockets of coarse/fine material on the layer. 3. Do not allow any traffic on the WMM surface without covering it with a wearing course.
B. Quality Control Requirements 1. Materials 65 Quality Assurance Handbook for Rural Roads (i) The shoulder material should be selected earth with maximum laboratory dry unit weight not less 16.5 kN/m 3 (as per IS:2720 Part 7) and LL and PI not to exceed 25 and 6 respectively or granular material quarry waste conforming to the requirements of GSB as per Subsection 401. (ii) For earth shoulders with brick or stone block edging, the bricks should conform to Subsection 602.4. The stone blocks should conform to Subsection 702.4 and should be of size 225 mm x 110 mm x 75 mm. 2. Horizontal Alignment The edges of the shoulders should be correct within a tolerance limit of (±) 30 mm in plain and rolling terrain and (±) 50 mm in hilly terrain. 3. Surface Levels The tolerance in surface levels of the shoulders should be (±) 10 mm. A grid of 10 m x 2.5 m may be formed to check the surface level. 4. Surface Regularity The maximum permitted difference between the shoulder and 3 m straight edge will be 12 mm for longitudinal profile and 10 mm for cross profile. 5. Quality Control Tests The quality control tests and their frequency for earth/hard shoulders should be exercised in accordance with the requirement of the following Sub-section: Earth Shoulders - Sub-section 303 Hard Shoulders - Sub- section 401 Brick Edging - Section 600 Stone Edging - Section 700 C. Do’s and Don’ts 1. Construct shoulders simultaneously with the pavement layers such that each layer of the shoulder matches the thickness of adjoining pavement layer. 2. For protection of earth shoulders, do provide the pavement with brick/stone block edging. 3. The material for earth shoulders should be good quality, ordinarily not inferior to the subgrade material. 4. Provide turfing over earth shoulders. Do’s Don’ts 1. Do not resort to box cutting for the construction of shoulders. 2. Do not compact the shoulder layer before the compaction of the adjoining pavement layer. 3. Do not allow stacking of shoulder material on the carriageway nor should any spilled shoulder material be dragged on to the pavement 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
Page 18 and 19: 2. Quality Management System (iii)
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Page 22 and 23: 105. CONSTRUCTION EQUIPMENT 13 Qual
Page 24 and 25: B Do’s and Don’ts Do’s Don’
Page 26 and 27: 201 & 202. SITE CLEARANCE A Methodo
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Page 74 and 75: 3. Section-400 409. LIME-FLYASH STA
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Page 84 and 85: SECTION 500 BITUMINOUS 81 Quality A
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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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