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{\rtf1{\fonttbl{\f2 Arial;}{\f3 Arial Bold;}{\f4 Arial;}{\f5 Arial;}{\f6 Arial Bold;}{\f1000000 Times New Roman;}}{\colortbl;\red0\green0\blue0;\red0\green0\blue0;\red0\green0\blue0;\red0\green0\blue0;\red0\green0\blue0;}\viewkind1\viewscale100\margl0\margr0\margt0\margb0\deftab80\dntblnsbdb\expshrtn\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg1}{\bkmkend Pg1}\par\pard\ql \li4248\sb0\sl-414\slmult0 \par\pard\ql\li4248\sb0\sl-414\slmult0 \par\pard\ql\li4248\sb0\sl-414\slmult0 \par\pard\ql\li4248\sb0\sl-414\slmult0 \par\pard\ql\li4248\sb342\sl-414\slmult0 \up0 \expndtw0\charscalex97 \ul0\nosupersub\cf1\f2\fs36 Maintenance of Road \par\pard\ql \li4248\sb351\sl-529\slmult0 \up0 \expndtw0\charscalex97 \ul0\nosupersub\cf2\f3\fs46 3000 \par\pard\ql \li4248\sb0\sl-529\slmult0 \par\pard\ql\li4248\sb42\sl-529\slmult0 \up0 \expndtw0\charscalex97 Maintenance of Road{\shp {\*\shpinst\shpleft4260\shptop2852\shpright9792\shpbottom2852\shpfhdr0\shpbxpage\shpbypage\shpwr3\shpwrk0\shpfblwtxt1\shpz34\shplid0{\sp{\sn shapeType}{\s

v 20}}{\sp{\sn fBehindDocument}{\sv 1}}{\sp{\sn lineColor}{\sv 0}}{\sp{\sn lineWidth}{\sv 66523}}}}{\shp {\*\shpinst\shpleft4293\shptop3877\shpright9792\shpbottom3877\shpfhdr0\shpbxpage\shpbypage\shpwr3\shpwrk0\shpfblwtxt1\shpz34\shplid1{\sp{\sn shapeType}{\sv 20}}{\sp{\sn fBehindDocument}{\sv 1}}{\sp{\sn lineColor}{\sv 0}}{\sp{\sn lineWidth}{\sv 66523}}}}{\shp {\*\shpinst\shpleft4247\shptop13820\shpright9746\shpbottom13820\shpfhdr0\shpbxpage\shpbypage\shpwr3\shpwrk0\shpfblwtxt1\shpz34\shplid2{\sp{\sn shapeType}{\sv 20}}{\sp{\sn fBehindDocument}{\sv 1}}{\sp{\sn lineColor}{\sv 0}}{\sp{\sn lineWidth}{\sv 66523}}}}\par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart P

g2}{\bkmkend Pg2}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb187\sl-276\slmult0\fi0\tx7571 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Section 3000\tab \up0 \expndtw-4\charscalex100 Maintenance of Road\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb183\sl-276\slmult0\fi40\tx2201 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3001\tab \up0 \expndtw-4\charscalex100 GENERAL\par\pard\qj \li760\ri375\sb292\sl-308\slmult0 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf4\f5\fs24 The Specifications shall apply to all items of road maintenance works as required to be \line \up0 \expndtw-7\charscalex100 carried out under the Contract or as directed by the Engineer. The works shall be carried \line \up0 \expndtw-2\charscalex100 out in conformity with the relevant Specifications to the required level, grade and lines \line \up0 \expndtw-4\charscalex100 using approved materials. The works shall be carried out using light duty machinery or \line \up0 \expndtw-4\charscalex100 manual means provided th

e quality of the end product does not suffer. In execution of \line \up0 \expndtw-8\charscalex100 maintenance works, a reference is made to the IRC publications: \u8220?Manual for Maintenance \line \up0 \expndtw-5\charscalex100 of Roads\u8221? and \u8220?Code of Practice for Maintenance for Bituminous Surfaces of Highways, \line \up0 \expndtw0\charscalex104 IRC:82-1982\u8221? for guidance and compliance wherever applicable. Wherever the \line \up0 \expndtw-8\charscalex100Specifications are not clear, sound engineering practice shall be adopted to the satisfaction \line \up0 \expndtw-9\charscalex100 of the Engineer. \par\pard\li760\sb0\sl-276\slmult0\par\pard\li760\sb55\sl-276\slmult0\fi0\tx2348 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3002\tab \up0 \expndtw-3\charscal

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ex100 RESTORATION OF RAIN CUTS\par\pard\li760\sb0\sl-276\slmult0\par\pard\li760\sb46\sl-276\slmult0\fi0\tx2200 \up0 \expndtw-3\charscalex100 3002.1\tab \up0 \expndtw-3\charscalex100 Scope\par\pard\qj \li760\ri377\sb278\sl-320\slmult0 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf4\f5\fs24 The work shall consist of earthwork for restoration of rain cuts in the embankment and \up0 \expndtw-4\charscalex100 shoulders, using suitable material, and compacting the same. \par\pard\li760\sb0\sl-276\slmult0\par\pard\li760\sb38\sl-276\slmult0\fi0\tx2200 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3002.2\tab \up0 \expndtw-4\charscalex100 Materials\par\pard\qj \li760\ri511\sb271\sl-320\slmult0 \up0 \expndtw0\charscalex107 \ul0\nosupersub\cf4\f5\fs24 The material used for restoration ofrain cuts shall consist of soil conforming to \up0 \expndtw-5\charscalex100 Clause 305.2. \par\pard\li760\sb0\sl-276\slmult0\par\pard\li760\sb43\sl-276\slmult0\fi0\tx2194 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3002.3\tab\up0 \expndtw-3\charscalex100 Construction Operation\par\pard\qj \li760\ri377\sb294\sl-310\slmult0 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Thearea affected by rain cuts shall be cleared of all loose soil and benched. Thewidth of \up0 \expndtw-5\charscalex100 the benches shall be at least 300 mm andthey shall extend continuously for a sufficient \up0 \expndtw-5\charscalex100 length. The height of the benches shall be in the range of 150-300 mm. \par\pard\qj \li760\ri376\sb266\sl-315\slmult0 \up0 \expndtw-3\charscalex100 Fresh material shall be deposited in layers not exceeding 250 mm loose thickness and \line \up0 \expndtw-6\charscalex100 compacted so as to match with the benching at a moisture content close to the optimum. \line \up0 \expndtw-5\charscalex100 Compaction shall be carried out using suitable equipment such as plate compactors and \l

ine \up0 \expndtw-8\charscalex100 rammers or by suitable implements handled manually. The finished work shall conform to \line \up0 \expndtw-8\charscalex100alignment, levels and slopes as indicated in the drawing or as directed by the Engineer. \par\pard\li760\sb0\sl-276\slmult0\par\pard\li760\sb39\sl-276\slmult0\fi0\tx2193 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3002.4\tab \up0 \expndtw-3\charscalex100 Measurements for Payment\par\pard\ql \li760\sb0\sl-276\slmult0 \par\pard\ql\li760\sb31\sl-276\slmult0 \up0 \expndtw-5\charscalex100\ul0\nosupersub\cf4\f5\fs24 The earthwork for restoration of rain cuts shall bemeasured in cubic metres. \par\pard\ql \li5195\sb0\sl-253\slmult0 \par\pard\ql\li5195\sb0\sl-253\slmult0 \par\pard\ql\li5195\sb137\sl-253\slmult0 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf3\f4\fs22 2 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg3}{\bkmkend Pg3}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb171\sl-276\slmult0\fi0\tx8398 \up0 \expndtw-6\

charscalex100 \ul0\nosupersub\cf4\f5\fs24 Maintenance of Road\tab \up0 \expndtw-6\charscalex100 Section 3000\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb172\sl-276\slmult0\fi0\tx2163 \up0 \expndtw-6\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3002.5\tab \up0 \expndtw-6\charscalex100 Rate\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb8\sl-276\slmult0\fi0 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 The Contract rate for the item of earthwork for restoration of rain cuts shall be payment in\par\pard\li720\sb4\sl-276\slmult0\fi0 \up0\expndtw-5\charscalex100 full for carrying out the required operation includingfull compensation for:\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb24\sl-276\slmult0\fi1406\tx2880 \up0 \expndtw-3\charscalex100 i)\tab \up0 \expndtw-3\charscalex100 Supply of material including all leads and lifts and the cost of\par\pard\li720\sb12\sl-276\slmult0\fi2160 \up0 \expndtw-3\charscalex100 arrangement of land;\par\pard\li720\sb156\sl-276\slmult0\fi1406\tx2880 \up0 \expndtw-3\cha

rscalex100 ii)\tab \up0 \expndtw-3\charscalex100 Setting out;\par\pard\li720\sb156\sl-276\slmult0\fi1406\tx2880 \up0 \expndtw-3\charscalex100 iii)\tab \up0 \expndtw-3\charscalex100 Removal of loose material from the rain cuts;\par\pard\li720\sb156\sl-276\slmult0\fi1406\tx2880 \up0 \expndtw-3\charscalex100 iv)\tab \up0\expndtw-3\charscalex100 Benching of old earthwork; and\par\pard\li720\sb156\sl-276\slmult0\fi1406\tx2880 \up0 \expndtw-3\charscalex100 v)\tab \up0 \expndtw-3\charscalex100 Compacting after adding required quantity of water.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb168\sl-276\slmult0\fi0\tx2328 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3003\tab \up0 \expndtw-3\charscalex100 MAINTENANCE OF EARTHEN SHOULDER\par\pard\li720\sb0\sl-276\slmult0\par\pard\li

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720\sb24\sl-276\slmult0\fi0\tx2237 \up0 \expndtw-3\charscalex100 3003.1\tab \up0\expndtw-3\charscalex100 Scope\par\pard\qj \li720\sb0\sl-286\slmult0 \par\pard\qj\li720\ri375\sb3\sl-286\slmult0 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf4\f5\fs24 The work of maintenance of earthen shoulder shall include making upthe irregularities/ \up0 \expndtw-9\charscalex97 loss of material on shoulder tothe design level by adding fresh approved soil and compacting \up0 \expndtw-6\charscalex100 it with appropriate equipments or to strip excess soil from the shoulder surface as per the \up0 \expndtw-7\charscalex100 requirement of these Specifications. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb30\sl-276\slmult0\fi0\tx2204 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3003.2\tab \up0 \expndtw-4\charscalex100 Material\par\pard\qj \li720\ri376\sb262\sl-300\slmult0 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 The material tobe added to the shoulder, if required, shall be a select soil conforming to \up0 \expndtw-6\charscalex100 Clause 305. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb27\sl-276\slmult0\fi0\tx2306 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3003.3\tab \up0 \expndtw-5\charscalex100 Construction Procedure\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb24\sl-276\slmult0\fi0 \up0\expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 This work shall involve:\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb36\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-8\charscalex100 i)\tab \up0 \expndtw-8\charscalex100 Making up of the earthen shoulder by adding extra soil andcompacting\par\pard\li2126\sb12\sl-276\slmult0\fi753 \up0 \expndtw-8\charscalex100 the same; and/or\par\pard\li2126\sb156\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-8\charscalex100 ii)\tab \up0 \expndtw-8\charscalex100 Stripping a layer of so

il to achieve the required grade and level.\par\pard\qj \li720\ri375\sb132\sl-288\slmult0 \up0 \expndtw-5\charscalex100 Wherever extra earth is required to be added, the earthen shoulder shall be stripped and \line \up0 \expndtw-5\charscalex100 loosened to receive fresh soil. The deficiency of thickness shall be madeup in layers of \line \up0 \expndtw-3\charscalex100 loose thickness not exceeding 250 mm. Water shall be added, if required, to attain the \line \up0 \expndtw-6\charscalex100 optimum amount and the layer compacted by 80 to 100 kN smooth wheel roller, vibratory \line \up0 \expndtw-9\charscalex97 roller, hand roller, plate vibrator or hand rammer to obtain atleast 94 percent of the maximum \line \up0 \expndtw-9\charscalex97 dry density in accordance with IS:2720 (Part 8). The finished surface shall have the specified \par\pard\ql \li5193\sb0\sl-253\slmult0 \par\pard\ql\li5193\sb28\sl-253\slmult0 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf3\f4\fs22 3 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\s

b0\sl-240{\bkmkstart Pg4}{\bkmkend Pg4}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb187\sl-276\slmult0\fi0\tx7571 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Section 3000\tab \up0 \expndtw-5\charscalex100 Maintenance ofRoad\par\pard\qj \li720\sb0\sl-300\slmult0 \par\pard\qj\li720\ri375\sb114\sl-300\slmult0 \up0 \expndtw-5\charscalex100 cross slope and line in accordance withthe drawing or as directed by the Engineer. The \up0 \expndtw-9\charscalex98 side slopes shall be trimmed to the required slope with the help of grader or manual methods \up0 \expndtw-10\charscalex98 using hand tools. \par\pard\qj \li720\sb0\sl-300\slmult0 \par\pard\qj\li720\ri375\sb1\sl-300\slmult0 \up0 \expndtw-8\charscalex100 Wherever the earth is required to be excavated from the shoulder, this shall be done either \line \up0 \expndtw-6\charscalex100 using equipment likegrader or by manual means using hand tools. The resulting surface \line \up0 \expndtw-9\charscalex100 shall be uniform and have a field density of atleast 94

per cent of maximum density obtained \line \up0 \expndtw-6\charscalex100 in accordance with IS:2720 (Part 8). If the surface is not uniformly compacted, it shall be \line \up0 \expndtw-6\charscalex100 excavated to a depth of 150 mm and thesoil mixed with water if required and compacted \line \up0 \expndtw-6\charscalex100 at a moisture content close to the optimum to achieve 94 percent of maximumdensity as \line \up0 \expndtw-7\charscalex100 stated above. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb39\sl-276\slmult0\fi0\tx2288 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3003.4\tab \up0 \expndtw-4\charscalex100 Measurement for Payment\par\pard\ql \li720\sb0\sl-276\slmult0 \par\pard\ql\li720\sb33\sl-276\slmult0 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf4\f5\fs24

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Maintenance of earthen shoulder shall be measured in sq. metres. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb39\sl-276\slmult0\fi0\tx2286 \up0 \expndtw-1\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3003.5\tab \up0 \expndtw-1\charscalex100 Rate\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb36\sl-276\slmult0\fi0 \up0 \expndtw0\charscalex100 \ul0\nosupersub\cf4\f5\fs24 The Contract unit rate for maintenance of earthen shoulder shall be payment in full\par\pard\li720\sb24\sl-276\slmult0\fi0 \up0 \expndtw-1\charscalex100 compensation for :\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb36\sl-276\slmult0\fi0\tx2880 \up0\expndtw-3\charscalex100 i)\tab \up0 \expndtw-9\charscalex100 furnishing earth required for making up of shoulders including all leads\par\pard\li2126\sb24\sl-276\slmult0\fi753 \up0 \expndtw-3\charscalex100 and lifts, cost of land and compaction;\par\pard\li2126\sb168\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-3\charscalex100 ii)\tab \up0 \expndtw-3\charscalex100 excavation of earth as required and disposal of the earth at the\par\pard\li2126\sb24\sl-276\slmult0\fi753 \up0 \expndtw-3\charscalex100 location approved; and\par\pard\li2126\sb168\sl-276\slmult0\fi0\tx2877 \up0 \expndtw-3\charscalex100 iii)\tab \up0 \expndtw-3\charscalex100all tools, equipments and incidentals to complete the work in\par\pard\li2126\sb24\sl-276\slmult0\fi753 \up0 \expndtw-3\charscalex100 accordance with these Specifications.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb192\sl-276\slmult0\fi0\tx2312 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004\tab\up0 \expndtw-3\charscalex100 BITUMINOUS WORK IN CONNECTION WITH MAINTENANCE AND\par\pard\ql \li2160\sb5\sl-276\slmult0 \up0 \expndtw-4\charscalex100 REPAIR \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb55\sl-276\slmult0\fi0\tx2156 \up0 \expndtw-3\charscalex100 3004.1\tab \up0 \expndtw-3\charscalex100 General\par

\pard\qj \li720\ri376\sb278\sl-300\slmult0 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf4\f5\fs24 The scope and type of maintenance work to be carried out shall be in accordance with the \up0 \expndtw-8\charscalex100 provisions of the Contract or as instructed by the Engineer. \par\pard\qj \li720\sb0\sl-300\slmult0\par\pard\qj\li720\ri376\sb1\sl-300\slmult0 \up0 \expndtw-2\charscalex100 In allinstances it will have been necessary to identify the causes of defects in order to \line \up0 \expndtw-6\charscalex100 permit effective repair. Where investigation work into the causes of defects is included in \line \up0 \expndtw-5\charscalex100 the Contract it shall be carried out in accordance with the appropriate provisions of these \line \up0 \expndtw-6\charscalex100 Specifications. \par\pard\ql \li5195\sb0\sl-253\slmult0 \par\pard\ql\li5195\sb206\sl-253\slmult0 \up0\expndtw-3\charscalex100 \ul0\nosupersub\cf3\f4\fs22 4 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg5}{\bkmkend Pg5}\par\pard\

li720\sb0\sl-276\slmult0\par\pard\li720\sb171\sl-276\slmult0\fi0\tx8398 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Maintenance of Road\tab \up0 \expndtw-5\charscalex100 Section 3000\par\pard\qj \li720\sb0\sl-300\slmult0 \par\pard\qj\li720\ri376\sb130\sl-300\slmult0 \up0 \expndtw-4\charscalex100 Maintenance treatments required under the Contract or instructed by the Engineer may \up0\expndtw-6\charscalex100 include pothole and patch repair, crack-sealing, fog spray, dusting, slurry sealing, surface \up0 \expndtw-7\charscalex100 dressing, overlays and specialist repairs. \par\pard\ql \li720\sb0\sl-276\slmult0 \par\pard\ql\li720\sb44\sl-276\slmult0 \up0 \expndtw-4\charscalex100 When the pavement tobe maintained is intended to carry volumes of traffic in excess of \par\pard\qj\li720\ri402\sb5\sl-300\slmult0 \up0 \expndtw-3\charscalex100 1.5 million msathe constructed materials (particularly patching and overlay materials) \up0 \expndtw-3\charscalex100 used in maintenance operations shall be of a standard not

less than those specified for \up0 \expndtw-4\charscalex100 the original construction. \par\pard\qj \li720\ri435\sb281\sl-300\slmult0 \up0 \expndtw-2\charscalex100 Traffic control during maintenance operations shall conform to the requirements of the \up0 \expndtw-3\charscalex100 Contract documents and Section 100. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb47\sl-276\slmult0\fi0\tx2154 \up0 \expndtw-6\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.2\tab \up0 \expndtw-6\charscalex100 Filling Pot-holes and Patch Repairs\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb36\sl-276\slmult0\fi0\tx2153 \up0 \expndtw-6\charscalex100 3004.2.1\tab \up0 \expndtw-5\charscalex100 Scope :\ul0\nosupersub\cf4\f5\fs24 This work shall include repair of pot-holes and patching of all types\par\pa

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rd\ql \li720\sb13\sl-276\slmult0 \up0 \expndtw-7\charscalex100 of bituminous pavement. \par\pard\qj \li720\ri375\sb285\sl-300\slmult0 \up0 \expndtw-4\charscalex100 The work shall include the removal of all failed material, in the pavement courses and, if \line \up0 \expndtw-8\charscalex100 necessary, below the pavement, until the root cause of the failure is removed, the trimming \line \up0 \expndtw-5\charscalex100 of the completed excavation to provide firm vertical faces; the replacement of material of \line \up0 \expndtw-5\charscalex100 at least as high a standard as that which was originally specified for the pavement layer; \line \up0 \expndtw-4\charscalex100 the painting of tack coat on to the sides and bases of excavations prior to placing of any \line \up0 \expndtw-2\charscalex100bituminous materials and the compaction, trimming and finishing of the surfacesof all \line \up0 \expndtw-2\charscalex100 patches to form a smooth continuous surface, level with the surrounding road. \par\pard\qj \li720\sb0\sl-300\slmult0\par\pard\qj\li720\ri374\sb1\sl-300\slmult0\tx2160 \up0 \expndtw-4\charscalex100\ul0\nosupersub\cf5\f6\fs24 3004.2.2 \tab \up0 \expndtw-9\charscalex100 Materials :\ul0\nosupersub\cf4\f5\fs24 All materials used for the pot-hole and patchrepair of bituminous \line\up0 \expndtw-5\charscalex100 surface and underlying layers shall be in accordance with thiese Specifications and shall \line \up0 \expndtw-7\charscalex100 be of the same type as specified for the original construction. A mix superior to the one on \line \up0 \expndtw-3\charscalex100 the existing surface may also be used for repair work. An emulsified bitumen/modified \line \up0 \expndtw-3\charscalex100 bitumen mix compatible with the existing layer shall also be considered appropriate. \par\pard\qj \li720\ri373\sb281\sl-300\slmult0 \up0 \expndtw0\charscalex100 The bituminous mixture used for such patch r

epairs shall be in accordance with the \line \up0 \expndtw-7\charscalex100 appropriate Clause of these Specifications. Materials to be used for patching shallalways \line \up0 \expndtw-3\charscalex100 be of the same type and standard of construction as, or better than, the material being \line \up0 \expndtw-4\charscalex100 patched at the same level of construction. Materials used for patching shall never be of \line \up0 \expndtw-5\charscalex100 lesser bearing capacity norof a greater porosity than the adjacent previous construction. \line \up0 \expndtw-2\charscalex100 Non-bituminous material must not be used for patching bituminous materials. Where \line \up0 \expndtw-2\charscalex100 modified binder is to be used, Clause 521 of these Specifications shall apply. \par\pard\qj \li720\sb0\sl-300\slmult0 \par\pard\qj\li720\ri375\sb1\sl-300\slmult0 \up0 \expndtw-7\charscalex100 The grading of aggregates and bitumen content of the mix used for such patch repair shall \up0 \expndtw-8\charscalex100 be in accordance with Clause

501. \par\pard\ql \li5193\sb0\sl-253\slmult0 \par\pard\ql\li5193\sb0\sl-253\slmult0 \par\pard\ql\li5193\sb53\sl-253\slmult0 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf3\f4\fs22 5 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg6}{\bkmkend Pg6}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb187\sl-276\slmult0\fi0\tx7571 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Section 3000\tab \up0 \expndtw-5\charscalex100 Maintenance of Road\par\pard\qj \li720\sb0\sl-315\slmult0 \par\pard\qj\li720\ri375\sb106\sl-315\slmult0\tx2157 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.2.3 \tab \up0 \expndtw-4\charscalex100 Preparation of the area for pot-hole andpatch repair :\ul0\nosupersub\cf4\f5\fs24 Each pot-hole \line\up0 \expndtw-5\charscalex100 and patch repair area shall be inspected and all loose material removed. The area shall \line \up0 \expndtw-6\charscalex100 be cut/trimmed either with jack hammers or with hand tools suitable for the purpose, such \up0 \expn

dtw-1\charscalex100 that the defective material responsible for the failure is all removed and such that the \up0 \expndtw-2\charscalex100 excavation is of a regular shape. \par\pard\qj \li720\ri374\sb288\sl-312\slmult0 \up0 \expndtw-6\charscalex100 The edges of the excavation shall be cut vertically. The area shall be thoroughly cleaned \up0 \expndtw-4\charscalex100 with compressed air or any appropriate method approved by the Engineer to remove all \up0 \expndtw-4\charscalex100 dust and loose particles. Layers below the level of the bituminous construction shall be \up0 \expndtw-5\charscalex100 replaced using material of the equivalent specification to the original construction, which \up0 \expndtw-5\charscalex100 shall particularly include the specified standards of compaction. The a

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rea for bituminous \up0 \expndtw-6\charscalex100 construction shall be tacked orprimed with cutback or emulsion depending upon whether \up0 \expndtw-6\charscalex100 the lower area is bituminous or granular in nature. The sides, however, are to be painted \up0 \expndtw-4\charscalex100 with hot tack coat material. Theprime coat and tack coat shall conform to Clauses 502 \up0 \expndtw-5\charscalex100 and 503 of these Specifications, respectively. \par\pard\qj \li720\ri373\sb308\sl-313\slmult0\tx2157 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.2.4 \tab \up0 \expndtw-2\charscalex100 Backfilling operation :\ul0\nosupersub\cf4\f5\fs24 The mixture to be used in bituminous patching \line\up0 \expndtw-7\charscalex100 shall be either a hot mix or a cold mix in accordance with the appropriate Clauses of these \line \up0 \expndtw-9\charscalex100 Specifications. Mixing shall be done in a plant of suitable capacity. The bituminous mixture \up0 \expndtw-9\charscalex100 shall be placed in layers of thickness not more than 100 mm (loose) and shall be compacted \up0 \expndtw0\charscalex100 in layers with roller/plate compactor/hand roller/rammer to the compaction standards\up0 \expndtw-5\charscalex100 defined in the appropriate Clauses of these Specifications. While placing the final layer, \up0 \expndtw-9\charscalex100 the mixshall be spread slightly proud of the surface so that after rolling, the surface shall be \up0 \expndtw-4\charscalex100 flush with the adjoining surface. If the area is large, the spreading and leveling shall be \up0 \expndtw-6\charscalex100 done using hand shovels and wooden straight edges. During the process of compaction, \up0 \expndtw-7\charscalex100 the surface levels shall be checked using a 3 m straight edge. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb50\sl-276\slmult0\fi0\tx2155 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf5\f6\fs2

4 3004.2.5\tab \up0 \expndtw-6\charscalex100 Measurement for payment :\ul0\nosupersub\cf4\f5\fs24 Filling of pot-holes and patch repair shall be\par\pard\li720\sb39\sl-276\slmult0\fi0 \up0 \expndtw-7\charscalex100 measured in sq.m.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb50\sl-276\slmult0\fi0\tx2155 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.2.6\tab \up0 \expndtw-6\charscalex100 Rate :\ul0\nosupersub\cf4\f5\fs24 The contract unit rate for filling of pot-holes and patch repair shall be\par\pard\li720\sb39\sl-276\slmult0\fi0 \up0 \expndtw-7\charscalex100 payment in full for :\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb48\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-5\charscalex100 i)\tab \up0 \expndtw-5\charscalex100 furnishing all materials required;\par\pard\li2126\sb182\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-5\charscalex100 ii)\tab \up0 \expndtw-4\charscalex100 all works involved including excavation, trimming, back filling with any\par\pard\li2126\sb38\sl-276\slmult0\fi753 \up0 \exp

ndtw-5\charscalex100 non-bituminous layers required, tacking, priming with cutback or\par\pard\li2126\sb39\sl-276\slmult0\fi753 \up0 \expndtw-5\charscalex100 emulsion, and back filling with bituminous materials;\par\pard\li2126\sb182\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-5\charscalex100 iii)\tab \up0 \expndtw-5\charscalex100 all labour, tools, equipment and incidentals to complete the work in\par\pard\li2126\sb39\sl-276\slmult0\fi753 \up0 \expndtw-5\charscalex100 accordancewith the Specifications.\par\pard\ql \li5195\sb0\sl-253\slmult0 \par\pard\ql\li5195\sb130\sl-253\slmult0 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf3\f4\fs22 6 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg7}{\bkmkend Pg7}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb171\sl-276\slmult0\fi0\tx8398 \up0 \expndtw-2\charscalex100 \ul0\nosupersub\cf4\f5\fs24Maintenance of Road\tab \up0 \expndtw-2\charscalex100 Section 3000\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb199\sl-276\slmult0\fi0\tx2154 \up0 \expnd

tw-2\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3\tab \up0 \expndtw-2\charscalex100 Crack Sealing\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb41\sl-276\slmult0\fi0\tx2164 \up0 \expndtw-2\charscalex100 3004.3.1\tab \up0 \expndtw-2\charscalex100 Scope :\ul0\nosupersub\cf4\f5\fs24 Crack sealing shall consistof one or more of the following\par\pard\li720\sb24\sl-276\slmult0\fi0 \up0 \expndtw-2\charscalex100 operations as instructed under the Contract :\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb36\sl-276\slmult0\fi1406\tx2880 \up0 \expndtw-2\charscalex100 i)\tab \up0 \expndtw-2\charscalex100 fog seal\par\pard\li720\sb168\sl-276\slmult0\fi1406\tx2880 \up0 \expndtw-2\charscalex100 ii)\tab \up0\expndtw-2\charscalex100 filling cracks with a binder, or a combination of crush

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er dust and a\par\pard\li720\sb24\sl-276\slmult0\fi2160 \up0 \expndtw-2\charscalex100 binder\par\pard\li720\sb168\sl-276\slmult0\fi1406\tx2880 \up0 \expndtw-2\charscalex100 iii)\tab \up0 \expndtw-2\charscalex100 by treating the crack sealing as a patch repair.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb192\sl-276\slmult0\fi0\tx2157 \up0 \expndtw-2\charscalex100 \ul0\nosupersub\cf5\f6\fs243004.3.2\tab \up0 \expndtw-2\charscalex100 Fog seal\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb36\sl-276\slmult0\fi0\tx2160 \up0 \expndtw-2\charscalex100 3004.3.2.1\tab \up0 \expndtw-2\charscalex100 Scope :\ul0\nosupersub\cf4\f5\fs24 Fog seal for use in maintenance work shall conform to the\par\pard\qj \li720\ri376\sb0\sl-300\slmult0 \up0 \expndtw-6\charscalex100 requirements of Clause518 of these Specifications, and shall consist of an application of \line \up0 \expndtw0\charscalex103 emulsified bitumen, without any aggregate cover for sealing fine hair-cracks or for \line \up0 \expndtw-8\charscalex100 rejuvenating oxidised bituminous surfaces. Areas having cracks with less than 3 mm width \line \up0 \expndtw-8\charscalex100 shall be considered for this treatment, unless otherwise instructed by the Engineer. \par\pard\qj \li720\ri375\sb279\sl-300\slmult0\tx2158 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.2.2 \tab \up0 \expndtw-6\charscalex100 Material :\ul0\nosupersub\cf4\f5\fs24 Bituminous emulsion for fog seal shall be of a slow setting type. \line\up0 \expndtw-6\charscalex100 Where modified binder is to be used, Clause 521 of these Specifications shall apply. \par\pard\qj \li720\sb0\sl-300\slmult0 \par\pard\qj\li720\ri375\sb1\sl-300\slmult0\tx2160 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.2.3 \tab \up0 \expndtw-9\charscalex97 Application :\ul0\nosupersub\cf4\f5\fs24 The area to be treated with fog seal shall be thoroughly cleaned \

line\up0 \expndtw-6\charscalex100 using compressed air, scrubbers, etc. The cracks shall be cleaned with a compressed air \line \up0 \expndtw-8\charscalex100 jet to remove all dirt, dust, etc. The fog seal shall be applied at the rate of0.5-1.0 litre/sq.m \line \up0 \expndtw-1\charscalex100 of emulsion, or as otherwise instructed by the Engineer, using equipment, such as, a \line \up0 \expndtw-5\charscalex100 pressure tank, flexible hose and spraying bar or lance. Trafficshall be allowed on to the \line \up0 \expndtw-6\charscalex100 surface only after the seal has set to a non-tacky and firm condition so that it is not picked \line \up0 \expndtw-7\charscalex100 up by the traffic. \par\pard\qj \li720\ri376\sb281\sl-300\slmult0\tx2155 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.2.4 \tab \up0 \expndtw-5\charscalex100 Measurement for payment :\ul0\nosupersub\cf4\f5\fs24 The fog seal work shall be measured in sq. \line\up0\expndtw-9\charscalex98 metres, calculated from the dimensions of work instructe

d in the Contract or by the Engineer. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb40\sl-276\slmult0\fi0\tx2158 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.2.5\tab \up0 \expndtw-6\charscalex100 Rate :\ul0\nosupersub\cf4\f5\fs24 The contract unit rate for application of fog seal shall be payment in\par\pard\li720\sb24\sl-276\slmult0\fi0 \up0 \expndtw-7\charscalex100 full for :\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb36\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-6\charscalex100 i)\tab \up0 \expndtw-6\charscalex100 supplying of fog seal material and all the operations for applying it;\par\pard\li2126\sb24\sl-276\slmult0\fi753 \up0 \expndtw-6\charscalex100 and\par\pard\li2126\sb168\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-6\charscalex100 ii)\tab \up0 \expndtw-6\charscalex100 all the labour, tools, equipment and incidentals to complete the work\par\pard\li2126\sb24\sl-276\slmult0\fi753 \up0 \expndtw-6\charscalex100 in accordance with these Specifications.\par\pard\ql \li5193\sb0\sl-253\slmul

t0 \par\pard\ql\li5193\sb0\sl-253\slmult0 \par\pard\ql\li5193\sb69\sl-253\slmult0 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf3\f4\fs22 7 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg8}{\bkmkend Pg8}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb187\sl-276\slmult0\fi0\tx7571 \up0 \expndtw-2\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Section 3000\tab \up0 \expndtw-2\charscalex100 Maintenance of Road\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb176\sl-276\slmult0\fi0\tx2158 \up0 \expndtw-2\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.3\tab \up0 \expndtw-2\charscalex100 Crack filling\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb36\sl-276\slmult0\fi0\tx2157\up0 \expndtw-2\charscalex100 3004.3.3.1\tab \up0 \expndtw-1\charscalex100 Scope

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:\ul0\nosupersub\cf4\f5\fs24 Crack filling shall be carried out using a binder of a suitable\par\pard\qj \li720\ri376\sb0\sl-300\slmult0 \up0 \expndtw-4\charscalex100 viscosity, normally a slow-curing bitumen emulsion, as instructed bythe Engineer. For \line \up0 \expndtw-5\charscalex100 wider cracks, in excessof an average of 3 mm in width, the application of emulsion may \line \up0 \expndtw-2\charscalex100 be preceded by an application of crusher dust, or other finematerial acceptable to the \line \up0 \expndtw-3\charscalex100 Engineer. \par\pard\qj \li720\ri375\sb279\sl-300\slmult0\tx2158 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.3.2 \tab \up0 \expndtw-5\charscalex100 Materials :\ul0\nosupersub\cf4\f5\fs24 Bitumen for use in crack sealing shall be of aslow curing type \line\up0 \expndtw-7\charscalex100 as instructed by the Engineer. Dust for crack sealing, when used, shall be crusher dust or \line \up0 \expndtw-4\charscalex100 some other suitable fine material approved by the Engineer,passing the 4.75 mm sieve \up0 \expndtw-5\charscalex100 but with a maximum of 10percent passing the 0.075 mm sieve. \par\pard\qj \li720\sb0\sl-300\slmult0 \par\pard\qj\li720\ri375\sb1\sl-300\slmult0\tx2157 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.3.3 \tab \up0 \expndtw-5\charscalex100 Construction :\ul0\nosupersub\cf4\f5\fs24 If dust is to be used it shall be placed in the cracks before \line\up0 \expndtw-4\charscalex100 the application of binder and the cracks filled to a level approximately 5 mm below road \line \up0 \expndtw-6\charscalex100 surface level. The surface of the road shall be swept clear ofdust prior to the application \line \up0 \expndtw-2\charscalex100 of binder.Binder shall be poured into the cracks, taking care to minimise spillage. If \line \up0 \expndtw-8\charscalex100 spillage onto the road surface does occur, du

st shall be applied to the excess bitumen until \line \up0 \expndtw-9\charscalex100 it is blotted up. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb35\sl-276\slmult0\fi0\tx2154 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf5\f6\fs243004.3.3.4\tab \up0 \expndtw-6\charscalex100 Measurement :\ul0\nosupersub\cf4\f5\fs24 Crack sealing shall be paid by the linear meter of crack as\par\pard\li720\sb24\sl-276\slmult0\fi0 \up0 \expndtw-7\charscalex100 instructed by the Engineer.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb36\sl-276\slmult0\fi0\tx2157 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.3.5\tab \up0 \expndtw-6\charscalex100 Rate :\ul0\nosupersub\cf4\f5\fs24 The contract unit rate for crack sealing shall be payment in full for :\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb36\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-7\charscalex100 i)\tab \up0 \expndtw-7\charscalex100 supplying all necessary materialsand for the work of applying them;\par\pard\li2126\sb168\sl-276\slmult0\fi0\tx28

80 \up0 \expndtw-7\charscalex100 ii)\tab \up0 \expndtw-7\charscalex100 all labour, tools, equipment and all incidentals necessary to complete\par\pard\li2126\sb24\sl-276\slmult0\fi753 \up0 \expndtw-7\charscalex100 the work according to these Specifications.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb192\sl-276\slmult0\fi0\tx2168 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.3.4\tab \up0 \expndtw-5\charscalex100 Crack prevention courses :\ul0\nosupersub\cf4\f5\fs24 Clause 522 specifies crack prevention\par\pard\li720\sb24\sl-276\slmult0\fi0 \up0 \expndtw-5\charscalex100 courses. These may be included to substantial maintenance treatments.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb36\sl-276\slmult0\fi0\tx2162 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.4\tab \up0 \expndtw-5\charscalex100 Dusting\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb36\sl-276\slmult0\fi0\tx2153 \up0 \expndtw-5\charscalex100 3004.4.1\tab \up0 \expndtw-4\charscalex100 Scope :\ul0\nosupersub\cf

4\f5\fs24 Dusting shall consist of the application of crusher dust or other fine\par\pard\qj \li720\ri467\sb0\sl-300\slmult0 \up0 \expndtw-1\charscalex100 graded material approved by the Engineer to areas of road where bleeding of excess\up0 \expndtw-2\charscalex100 bitumen is occurring. \par\pard\qj \li720\ri374\sb275\sl-300\slmult0\tx2158 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.4.2 \tab \up0 \expndtw-4\charscalex100 Material :\ul0\nosupersub\cf4\f5\fs24 Dust shall consist of crusher dust or other graded fine material \line\up0 \expndtw-4\charscalex100 acceptable to the Engineer, and shall generally be finer than 3.0 mm with not more than \line \up0 \expndtw-5\charscalex100 10 percent passing the 0.075 mm sieve. \par\pard\ql \li5195\sb0\sl-253\slmult0 \par\pard

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\ql\li5195\sb66\sl-253\slmult0 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf3\f4\fs22 8 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg9}{\bkmkend Pg9}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb171\sl-276\slmult0\fi0\tx8398 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Maintenance of Road\tab \up0 \expndtw-5\charscalex100 Section 3000\par\pard\qj \li720\sb0\sl-310\slmult0 \par\pard\qj\li720\ri375\sb131\sl-310\slmult0\tx2160 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.4.3 \tab \up0\expndtw-6\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Dust shall be spread by manual application, to the areas of road defined by \line\up0 \expndtw-7\charscalex100 the Engineer. Dust shall generally be applied during the hottest part of the day and, when \line \up0 \expndtw-6\charscalex100 so instructed by the Engineer, surplus dust displaced by passing traffic shall be manually \up0 \expndtw-3\charscalex100 swept back onto the area where further bleeding of excess bitumenis apparent. Dust \up0 \expndtw-4\charscalex100 shall be applied at a nominalrate of 2.5 kg per square metre. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb47\sl-276\slmult0\fi0\tx2160 \up0 \expndtw-8\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.4.4\tab \up0 \expndtw-7\charscalex100 Measurement :\ul0\nosupersub\cf4\f5\fs24 Dusting shall be paid for by the square metre of road surface\par\pard\li720\sb34\sl-276\slmult0\fi0 \up0 \expndtw-8\charscalex100 instructedto be dusted by the Engineer.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb45\sl-276\slmult0\fi0\tx2155 \up0 \expndtw-8\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.4.5\tab \up0 \expndtw-7\charscalex100 Payment :\ul0\nosupersub\cf4\f5\fs24 The Contract unit rate for dusting shall be payment in full for :\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb48\sl-276\slmult0\fi0\tx2880 \u

p0 \expndtw-8\charscalex100 i)\tab \up0 \expndtw-8\charscalex100 supplying all necessary materials and for the work of applying them;\par\pard\li2126\sb178\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-8\charscalex100 ii)\tab \up0 \expndtw-8\charscalex100 all labour, tools, equipment and all incidentals necessary to complete\par\pard\ql \li2880\sb19\sl-276\slmult0 \up0 \expndtw-6\charscalex100 the workaccording to the Specifications. \par\pard\li720\sb192\sl-276\slmult0\fi0\tx2154\up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.5\tab \up0 \expndtw-3\charscalex100 Slurry Seal\par\pard\qj \li720\ri375\sb288\sl-310\slmult0 \up0 \expndtw-6\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Slurry seal for use in maintenance work shall conform to the requirements of Clause 516. \up0 \expndtw-7\charscalex100 Manual methods of spreading and leveling may be used, subject tothe prior agreement of \up0 \expndtw-8\charscalex100 the Engineer. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb48\sl-276\slmult0\fi0\tx2153 \up0 \expndt

w-3\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.6\tab \up0 \expndtw-3\charscalex100 Surface Dressing for Maintenance Work\par\pard\qj \li720\ri375\sb295\sl-306\slmult0 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Surface dressing for maintenance applications shall be carried out in conformity with the \line \up0 \expndtw-6\charscalex100 requirements of Clause 510, except that the use of small and portable equipment shall be \line \up0 \expndtw-5\charscalex100permitted provided that it can be demonstrated, to the satisfaction of the Engineer, that it \line \up0 \expndtw-5\charscalex100 can produce work consistently in accordance with the requirements of these Specifications. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb54\sl-276\slmult0\fi0\tx2154 \up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.7\tab \up0 \expndtw-5\charscalex100Specialist Repairs\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb46\sl-276\slmult0\fi0\tx2160 \up0 \expndtw-5\charscalex100 3004.7.1\tab \up0 \expndtw-4\ch

arscalex100 \ul0\nosupersub\cf4\f5\fs24 Specialist repairs include repairs of localized areas of damage to materials\par\pard\qj \li720\ri375\sb0\sl-320\slmult0\up0 \expndtw-4\charscalex100 for which repairs using normal hot-mix or cold-mix patching materials are inappropriate. \line \up0 \expndtw-4\charscalex100 Suchspecialist repairs will include repairs to mastic asphalt and stone mastic asphalt. \par\pard\qj \li720\ri375\sb268\sl-310\slmult0\tx2160 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3004.7.2 \tab \up0 \expndtw-7\charscalex100\ul0\nosupersub\cf4\f5\fs24 In such cases, pot-hole and patch repairs shall becarried out in accordance \line\up0 \expndtw-2\charscalex100 with the provisionsof Clause 3004.2 above, except that the construction to the mastic \line \up0 \

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expndtw0\charscalex103 asphalt, stone mastic asphalt or other specialist material layer shall, subject to the \up0 \expndtw0\charscalex100 instructions of the Engineer, be carried out in accordance with the provisions of the \up0 \expndtw-5\charscalex100 appropriate Clause of these Specifications. \par\pard\ql \li5193\sb0\sl-253\slmult0 \par\pard\ql\li5193\sb0\sl-253\slmult0 \par\pard\ql\li5193\sb0\sl-253\slmult0 \par\pard\ql\li5193\sb139\sl-253\slmult0 \up0 \expndtw-3\charscalex100 \ul0\nosupersub\cf3\f4\fs22 9 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg10}{\bkmkend Pg10}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb187\sl-276\slmult0\fi0\tx7571 \up0 \expndtw-2\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Section 3000\tab \up0 \expndtw-2\charscalex100 Maintenance of Road\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb168\sl-276\slmult0\fi0\tx2320 \up0 \expndtw-2\charscalex100 \ul0\nosupersub\cf5\f6\fs243005\tab \up0 \expndtw-2\charscalex100 MAINTENANCE OF CEMENT CONCRETE ROAD\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb12\sl-276\slmult0\fi0\tx2152 \up0\expndtw-2\charscalex100 3005.1\tab \up0 \expndtw-2\charscalex100 Repair of Joint Grooves with Epoxy Mortar or Epoxy Concrete\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb8\sl-276\slmult0\fi0\tx2164 \up0 \expndtw-2\charscalex100 3005.1.1\tab \up0 \expndtw-2\charscalex100 Scope :\ul0\nosupersub\cf4\f5\fs24 Thework shall consist of repair of spalled joint grooves of\par\pard\qj \li720\ri376\sb3\sl-260\slmult0 \up0 \expndtw-4\charscalex100 contraction joints, longitudinal joints and expansion joints in a concrete pavement using \up0 \expndtw-5\charscalex100 epoxy mortar or epoxy concrete. \par\pard\qj \li720\sb0\sl-270\slmult0 \par\pard\qj\li720\ri376\sb22\sl-270\slmult0\tx2157 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.1.2 \tab \up0 \expndtw0\charscalex100 Mate

rials :\ul0\nosupersub\cf4\f5\fs24 The type/grade of epoxy compatible with the coefficient of \line\up0 \expndtw-5\charscalex100 thermal expansion of concrete shall be used with either processed fine aggregate or fine \line \up0 \expndtw-5\charscalex100 stone chips to produce a dry mix for repairing spalled or damaged edges. \par\pard\qj \li720\sb0\sl-271\slmult0 \par\pard\qj\li720\ri375\sb19\sl-271\slmult0\tx2157 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.1.3 \tab \up0 \expndtw-5\charscalex100 Repairing Procedure :\ul0\nosupersub\cf4\f5\fs24 Spalled or broken edges shall be shaped neatly \line\up0 \expndtw-5\charscalex100 with a vertical cut with chisels into the shape of rectangle.Small pneumatic chisels also \line \up0 \expndtw-5\charscalex100 may be used, provided the cutting depth can be controlled. The depth of the cut shall be \up0\expndtw-9\charscalex100 the minimum to effect repair. After shaping the spalled area, it shall be cleaned and primed. \up0 \expndtw-4\charscalex100 The epoxy

mortar/concrete is then applied using hand tools like trowels, straight edges, \up0 \expndtw-8\charscalex100 brushes etc. The repaired edge shall be in line with the joint groove and shall be flush with \up0 \expndtw-5\charscalex100 the concrete slabs. During the repair work, any damage noticed to the joint sealant shall \up0 \expndtw-6\charscalex100 be made good by raking out the affected portion and resealing. \par\pard\qj \li720\ri377\sb262\sl-280\slmult0\tx2216 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.1.4 \tab \up0 \expndtw-5\charscalex100 Traffic :\ul0\nosupersub\cf4\f5\fs24 Although the epoxy mixes set in 2-3 hours time, it is desirable to \line\up0 \expndtw-5\charscalex100 divert the traffic for 12 hours or as per the recommendation of the manufacturer. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb12\sl-276\slmult0\fi0\tx2155 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.1.5\tab \up0 \expndtw-7\charscalex100 Measurements for payment :\ul0\nosupersub\cf4\f5\fs24 Repai

r of joint grooves shall be measured\par\pard\li720\sb0\sl-271\slmult0\fi0 \up0\expndtw-7\charscalex100 in linear metres.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb6\sl-276\slmult0\fi0\tx2154 \up0 \expndtw-7\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.1.6\tab \up0 \expndtw-6\charscalex100 Rate :\ul0\nosupersub\cf4\f5\fs24 The Contract unit rate for repair of joint grooves with epoxymortar or\par\pard\li720\sb0\sl-272\slmult0\fi0 \up0 \expndtw-7\charscalex100 epoxy concrete shall be in full compensation for :\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb5\sl-276\slmult0\fi0\tx2879 \up0 \expndtw0\charscalex102i)\tab \up0 \expndtw0\charscalex102 supply and application of epoxy primer, epoxy mortar or epoxy\par\pard\li2126\sb0\sl-272\slmult0\fi753 \up0 \expndtw0\charsc

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alex102 concrete;\par\pard\li2126\sb137\sl-276\slmult0\fi0\tx2880 \up0 \expndtw0\charscalex102 ii)\tab \up0 \expndtw0\charscalex102 all tools, equipment and incidentals to complete the work in\par\pard\li2126\sb0\sl-271\slmult0\fi753 \up0 \expndtw0\charscalex102 accordance with the Specifications.\par\pard\ql \li720\sb0\sl-276\slmult0 \par\pard\ql\li720\sb134\sl-276\slmult0\tx2150 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.2 \tab \up0 \expndtw-7\charscalex100 Repair Involving Removal of Old Joint Sealant and Sealing with Fresh \par\pard\ql \li2160\sb1\sl-256\slmult0 \up0 \expndtw-3\charscalex100 Sealant in CementConcrete Pavements \par\pard\qj \li720\sb0\sl-260\slmult0 \par\pard\qj\li720\ri375\sb41\sl-260\slmult0\tx2160 \up0 \expndtw-4\charscalex100 3005.2.1 \tab \up0\expndtw-8\charscalex100 Scope :\ul0\nosupersub\cf4\f5\fs24 The repair of sealant of contraction, longitudinal or expansion joints \line\up0 \expndtw-8\charscalex100 shall include removal of the existing sealant and resealing the joint with fresh sealant material. \par\pard\qj \li720\sb0\sl-280\slmult0 \par\pard\qj\li720\ri376\sb4\sl-280\slmult0\tx2159 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.2.2 \tab \up0 \expndtw0\charscalex102 Material :\ul0\nosupersub\cf4\f5\fs24 Sealant material to be replaced shall be either hot poured \line\up0 \expndtw-1\charscalex100 rubberised bitumen or polysulphide type of sealant as per Clause 602.2.8. As per the \line \up0 \expndtw-1\charscalex100 recommendation of the manufacturer, appropriate type of primer also shall be applied.\par\pard\ql \li5135\sb0\sl-253\slmult0 \par\pard\ql\li5135\sb150\sl-253\slmult0\up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf3\f4\fs22 10 \par\pard\sect\sectd\fs24\paperw10520\paperh15120\pard\sb0\sl-240{\bkmkstart Pg11}{\bkmkend Pg11}\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb171\sl-276\slmult0\fi0\tx8398

\up0 \expndtw-5\charscalex100 \ul0\nosupersub\cf4\f5\fs24 Maintenance of Road\tab \up0 \expndtw-5\charscalex100 Section 3000\par\pard\qj \li720\sb0\sl-280\slmult0 \par\pard\qj\li720\ri375\sb166\sl-280\slmult0\tx2156 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.2.3 \tab \up0 \expndtw-3\charscalex100 Repairing procedure :\ul0\nosupersub\cf4\f5\fs24 The existing sealant shall beraked out with the \line\up0 \expndtw-7\charscalex100 help of a metal raker such that most of the sealant is removed. Subsequently, the sealant \line \up0 \expndtw-6\charscalex100 stuck to the sides of the grooves shall be removed thoroughly either by using saw cutting \up0 \expndtw-7\charscalex100 machine so that grooves may be widened by 1 mm or by sand blasting. In no case the old \up0 \expndtw-6\charscalex100 sealant shall be present during resealing operation. If joint grooves are found inadequate \up0 \expndtw-7\charscalex100 in depth, they shall be deepened as directed by the Engineer. \par\pard\qj \li720\ri375\sb278\sl-2

83\slmult0 \up0 \expndtw-6\charscalex100 Before commencing the sealing operation, compressed air shall be used to clean the joint \up0 \expndtw-6\charscalex100grooves. A heat resistant, paper backed compressible debonding strip or tape should be \up0 \expndtw-6\charscalex100 inserted in accordance with the requirement of Clause 602.11.2. Sealant may be poured \up0 \expndtw-4\charscalex100 either using hand held pourer or using mechanized sealing machines. Sealants should\up0 \expndtw-6\charscalex100 not be heated directly but in double jacketed machine. All precautions and arrangements \up0 \expndtw-2\charscalex100 shall be taken not to spill the sealant on the concrete pavement. The sealant may be \up0\expndtw-3\charscalex100 poured to a depth of 5 + 2 mm from the pavement surface. \par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb22\sl-276\slmult0\fi0\tx2155 \up0 \expndtw-8\charscalex100 \ul0\nosupersub\cf5\f6\fs24 3005.2.4\tab \up0\expndtw-8\charscalex100 Measurements for payment :\ul0\nosupersub\cf4\f5\fs24

Repair of joint sealant shall be measured\par\pard\li720\sb12\sl-276\slmult0\fi0 \up0 \expndtw-8\charscalex100 in linear meters.\par\pard\li720\sb0\sl-276\slmult0\par\pard\li720\sb25\sl-276\slmult0\fi0\tx2160 \up0 \expndtw-8\charscalex100\ul0\nosupersub\cf5\f6\fs24 3005.2.5\tab \up0 \expndtw-7\charscalex100 Rate :\ul0\nosupersub\cf4\f5\fs24 Contract unit rate for repair of joint sealant shallbe in full compensation\par\pard\li720\sb11\sl-276\slmult0\fi0 \up0 \expndtw-8\charscalex100 for :\par\pard\li2126\sb0\sl-276\slmult0\par\pard\li2126\sb25\sl-276\slmult0\fi0\tx2880 \up0 \expndtw-4\charscalex100 i)\tab \up0 \expndtw-4\charscalex100 removal of old sealant, regrooving or sand blasting the sealing groove\par\pard\li2126\sb12\sl-276\slmult0\fi753 \up0 \expndtw-4\charscalex100 and placi

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ng of debonding strip or tape.\par\pard\li2126\sb156\sl-276\slmult0\fi0\tx2879 \up0 \expndtw-4\charscalex100 ii)\tab \up0 \expndtw-4\charscalex100 all tools, equipments and incidentals to complete the work in\par\pard\li2126\sb12\sl-276\slmult0\fi753 \up0 \expndtw-4\charscalex100 accordance with the Specifications.\par\pard\ql \li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb0\sl-253\slmult0 \par\pard\ql\li5133\sb198\sl-253\slmult0 \up0 \expndtw-4\charscalex100 \ul0\nosupersub\cf3\f4\fs22 11{\shp {\*\shpinst\shpleft3167\shptop5304\shpright3031\shpbottom5304\shpfhdr0\shpbxpage\shpbypage\shpwr3\shpwrk0\shpfblwtxt1\shpz83\shplid0{\sp{\sn shapeType}{\sv 20}}{\sp{\sn fBehindDocument}{\sv 1}}{\sp{\sn lineColor}{\sv 0}}{\sp{\sn lineWidth}{\sv 10079}}}}\par\pard\sect\sectd\fs24}