Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

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4. Section-1700 2. Road Markings Check that there are no centre-line markings on single-lane roads. Check if the colour, width and layout of road markings is in accordance with the specified requirements. Check if only standard yellow colour (conforming to IS Colour No. 356), white and black colours are used for markings. Check, if the finished lines are free from ruggedness on sides and ends and are in true plane with the general alignment of the carriageway. Check, if the Contractor maintains traffic control while painting operations are in progress. 3. 200 m/ Kilometre Stones These may be made of local stones, concrete or any other locally available material. The stones should be bedded into the ground to a minimum grip of 600 mm with adequate plain cement concrete M 10 grade foundations. The dimensions of the stones, size, arrangement of letters and script should be as per IRC:8 and IRC:26. Kilometre stones should be located on left side of the direction of travel on the road, and fixed at right angles to the centre-line of carriageway. 274
HAND-FEEL TESTS FOR MATERIALS 1. SOILS 1.1 Dilatancy Test SIMPLE/HANDFEEL TESTS Quality Assurance Handbook for Rural Roads APPENDIX - 1 Remove all particles larger than IS 425 micron sieve size and prepare a pat of moist soil with a volume of about 8000 mm 3 . Make the soil soft by adding water if necessary. Place the pat of soil on the open palm of one hand and shake horizontally by striking against the other hand, a number of times. A positive reaction consists of the appearance of water on the surface of the pat rendering the surface glossy, which disappears when the sample is squeezed between the fingers, the pat stiffens and begins to crumble. The rapidity of appearance of water during shaking and its disappearance during squeezing signify the nature of fines in the soil pat. While clean fine sands give the quickest reaction, a plastic clay shows no reaction at all and silts will show a fairly quick reaction by way of a shiny surface. 1.2 Dry Strength Test Remove all particles larger than IS 425 micron sieve size and mould a pat of soil to the consistency of putty by adding water, if necessary. Dry the pat by air drying or under the sun or in an oven and test its strength by breaking and crumbling between fingers. The strength of dried pat of soil is indicative of its plasticity and the nature, as well as quantity of the colloidal fraction. Dry strength increases with increasing plasticity and is of a very high order in highly swelling type Black Cotton soils. While the CH soils exhibit high dry strength, the silts and silty fine sands have only slight dry strength but can be distinguished by the feel when powdering the dried sample: fine sands feel gritty while silts give a smooth feel. 1.3 Toughness Test Remove all particles larger than the IS 425 micron sieve size and mould a soil specimen of about 12 mm cube in size, at the consistency of putty. If the soil sample is too dry, adequate amount of water should be added to bring it to the consistency of putty; if too sticky, allow it to lose some moisture by evaporation. Roll out the specimen by hand on a smooth surface or between palms into a thread about 3 mm diameter. The thread should then be folded and re-rolled separately. During such a manipulation, the thread stiffens, loses its plasticity and crumbles at a moisture content corresponding to the Plastic Limit. Lump together the pieces of crumbled thread, apply kneading action until the lump crumbles. Tougher the thread near the Plastic Limit and stiffer the lump when it finally crumbles, higher the plasticity and more potent is the colloidal clay fraction in the soil. Weakness of the thread at Plastic Limit and quick loss of cohesion of the lump below the Plastic Limit signify clay of low plasticity or such materials which occur below the “A”-line in the Plasticity Chart. Appendix-1/1
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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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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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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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Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

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