Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

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3. Section-1600 The prescribed roadway width for hilly terrain is inclusive of parapet and hillside drains. Extra widening on curves and in snow bound areas should be done as per Drawings. (iv) Resort to slope benching to improve sight distance. (v) Make provision for 2 to 3 passing places per kilometre length. (vi) Where hairpin bends are to be provided, ensure that the hill slopes are stable and gentle. The hairpin bend will be provided as a circular curve with transitions at either end. (vii) Follow procedure and safety precautions for rock cutting as per Sub-section 304. (viii) Ensure that excavation work starts along back cutting line. Also ensure that completion plan and verification of curve radii and longitudinal gradients is carried out at site. Defects if any shall be corrected immediately. 4. Preparation of cut formation for Subgrade Prepare as per the requirements of Sub-section 302. 5. Retaining Walls, Breast Walls and Gabion structures (i) Construct retaining/breast walls, and Gabion structures, conforming to the Drawings. (ii) The foundation bed should be sloped towards the hillside. (iii) Resort to stepping up of the foundation bed of retaining walls in stable rocks. (iv) The masonry for retaining/breast walls should conform to Sub-section 700. (v) Ensure that the top level of the retaining wall matches the adjoining shoulder edge. (vi) Ensure that full section is constructed as per the drawings. (vii) Ensure that approved filter material is provided behind the wall before back filling. Also ensure that back filling is done only after the masonry work is approved by the Engineer. 6. Pavement Construction Prepare subgrade to the requirements of Subsection 303 and construct subbase, base and bituminous surfacing in accordance with the requirements of the respective subsections. 7. Drainage Carry out excavation for drains alongwith hillside cutting conforming to the shape, size and grades as shown on the drawings. (i) Provide lining as specified. (ii) Locate catchwater drains over stable slopes outside the periphery of the slide area. 8. Cross Drainage Works (i) Use locally available stone for construction of Scuppers with dry stone masonry. Ensure a minimum cushion of 600 mm over corbelling, conforming to Clause 1606.5 of MORD Specification. 220
221 Quality Assurance Handbook for Rural Roads (ii) Cement Concrete Causeways: Construct causeways as per drawings and conforming to the requirements of Section 1400 (iii) Pipe Culverts: Construct pipe culverts conforming to requirement of Section 1100. 9. Protection Works Ensure that protection works are constructed conforming to the Drawings and Section 1300. 10. Safety Measures (i) Provide traffic signs, guide posts, railings/parapets in accordance with the requirements of Section 1700. (ii) Security manpower should be deployed for ensuring that any person including labourers are removed from the flagged area at least 10 minutes before the firing. B. Quality Control Requirements 1. Materials (i) Masonry Work : Conforming to Section 700 (ii) Sub-Base, Base, Bituminous Works : Conforming to Sections 400 & 500 (iii) Cement Concrete : Conforming to Section 800 (iv) Pitching/Apron : Conforming to Section 1300 (v) Steel : Conforming to Section 1000 2. The tolerances for width of formation, longitudinal grade, grade compensation and superelevation shall be as follows: a) Width of formation (+) 5% (-) 1% b) Longitudinal profile (±) 5% of the specified grade c) Grade compensation (±) 5% of the specified gradient d) Super-elevation (±) 5% of the specified super-elevation 3. The tolerances for layout of hairpin bends shall be as follows: a) Length (+) 0.5% b) Direction (±) 20 minutes c) Grade (±) 0.2% 4. The tolerances in the various courses of pavement should conform to the provisions given in the relevant Sub-sections of this Handbook.
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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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Page 156 and 157: 1100: PIPE CULVERTS A. Methodology
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Page 178 and 179: 3. Section-1400 3. Give streamline
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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
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Page 244 and 245: 6. SECTION 1300: PROTECTION WORKS A
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Page 250 and 251: Appendix-1 1.4 Estimating Plasticit
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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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