Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

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1700. TRAFFIC SIGNS AND MARKINGS A. Methodology I Traffic Signs 225 Quality Assurance Handbook for Rural Roads 1. The colour, configuration, size, location and dimensions of different road signs shall be in conformity with the Code of Practice for Road Signs IRC: 67. The language of inscription and font for informatory signs shall also be in conformity with the Code of Practice for Road Signs IRC: 67. 2. Signs shall be semi-reflective, fixed over mild steel sheeting duly stove enameled in white colour in front and grey colour on the back, red engineering grade tape on borders and required message in non-reflective black sheeting of Engineering grade tape. 3. Road signs, in particular, the cautionary/ warning and mandatory/ regulatory signs in the approaches to level crossings or narrow bridges may be reflectroised using luminous paints or other similar reflective material. 4. It is desirable that cautionary/ warning and mandatory signs are fabricated through the process of screen-printing. In other cases, signs may have inscription/message having cut letters of nonreflective black sheeting which shall be bonded well with the base sheeting. 5. The informatory signs on PMGSY roads shall have prescribed diamond type logo (600 mm x 600 mm) of Pradhan Mantri Gram Sadak Yojana on top of sign board. 6. Concrete for footings shall be of minimum M15 grade. Reinforcing steel shall conform to the requirements of IS:1786. High strength bolts, nuts and washers shall conform to IS:1367. Plates and support sections shall conform to IS:2062. 7. Sign posts, their foundations and sign mountings should be so constructed as to hold them in a proper position against normal wind loads or displacement by vandalism. 8. Normally signs with an area upto 0.90 sqm can be mounted on a single post and for greater area two or more supports shall be provided. 9. Sign supports may be of mild steel (MS), reinforced concrete (RC) or galvanized iron (GI). The post ends should be firmly fixed to the ground. 10. The signs and supports, except the reflectorised portion and GI posts, shall be thoroughly descaled, cleaned, primed and painted with two coats of epoxy paint. The portion of mild steel post below ground should be painted with three coats of red lead paint. 11. The signs should be fixed to the MS posts by welding and to the RC or GI posts by bolts and washers. After the nuts have been tightened, the tails of the bolts should be furred over with a hammer to prevent removal. 12. The extreme edge of the Road Sign adjacent to the highway should be at a distance of atleast 2.0 m from the edge of the carriageway. In no case any part of the Road Sign shall come in the way of vehicular traffic. 13. The lowest edge of Road Sign shall not be less than 2.0 m above the crown of pavement.
3. Section-1700 II. Road Markings 1. The road markings should be in conformity with the Code of Practice for Road Markings with paints IRC: 35. 2. Paining may be done by machine or by hand, preferably by machine. 3. The finished road markings should be free from ruggedness on sides and ends and these should be parallel to the general alignment of the carriageway. The upper surface of the lines should be free from streaks. B. Quality Control Requirements 1. Traffic Signs The materials should conform to the following requirements. (i) Concrete: Concrete for footing shall be of the grade shown on the Contract drawings or of minimum M15 grade conforming to Section 801 of these Specifications. (ii) Reinforcing steel: Reinforcing steel shall conform to the requirements of IS:1786 unless otherwise shown on the drawing. (iii) Bolts, nuts, washers: High strength bolts shall conform to IS:1367 (iv) M.S. Sheets, Plates and supports: Plates and support sections for the sign posts shall conform to IS:2062 or any other relevant IS Specifications. (v) Reflectorised paint: Reflectorised paint shall conform to IS:5 or the manufacturer’s specifications in case of proprietary product and as approved by the Engineer. (vi) Non reflectorised paint: Non-reflectorised paint shall conform to IS:164 and as approved by the Engineer. (vii) Engineering grade sheeting: This sheeting shall be enclosed lens type consisting of microscopic lens elements embedded beneath the surface of a smooth, flexible, transparent, water-proof plastic, resulting in a non-exposed lens optical reflecting system. The retroreflective surface after cleaning with soap and water and in dry condition shall have the minimum coefficient of retro-reflection (determined in accordance with ASTM Standard) as indicated in Table 1700.1. When totally wet, the sheeting shall not show less than 90 per cent of the values, of retroreflection indicated in Table 1700.1. At the end of 5 years, the sheeting shall retain at least 50 per cent of its original retro-reflectance. TABLE 1700.1: ACCEPTABLE MINIMUM COEFFICIENT OF RETROREFLECTION FOR ENGINEERING GRADE SHEETING (CANDEL AS PER LUX PER SQUARE METRE) Observation Entrance angle White Yellow Orange Green Red Blue angle in degree in degree 0.2 - 4 70 50 25 9.0 14.5 4.0 0.2 + 30 30 22 7.0 3.5 6.0 1.7 0.5 - 4 30 25 13.5 4.5 7.5 2.0 0.5 + 30 15 13 4.0 2.2 3.0 0.8 226
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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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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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