Specifications Part 1 - Water Supply, Sewerage and Tube Well Works

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v) Cleat bolt of size M-10vi)vii)Sealing: On the vertical and bottom side of the shutter. Musical nodetype rubber seal shall be fitted. In case of double panel shutter. 10 mmthick flat rubber shoot shall be used between two panels with a stopperof MS plate welded throughout the width to prevent rubber seal fromcoming out by water pressure.Brass strip: Brass strip of size 32x5mm shall be riveted (on 3 sides) withrivets spacing of 100mm. on fixed resting angle of frame (load bearing)on which brass or rubber scale of shutter shall rest.15.16.4. Paint:-Each part except rubber seal after proper deburing degreasing shall be paintedwith two coat of red oxide paint.15.17 Laying of pipes and fittings / specials15.17.1 Specification of laying of pipe and specials have been given in each chapter.On the basis of the currently applicable standards and regulations for varioustype/class of pipes detailed general specification are prepared in followingparagraphs.15.17.2 Applicable codes:-IS: 3114 : 1994IS:12288IS: 3764 : 1992IS: 6530 :IS: 4127 :IS: 783IS: 5822 :Table No.15.5Code for laying of cast iron pipesCode for laying of ductile iron pipesSafety code for excavation work.Code for laying of asbestos cement pressure pipesCode for laying of glazed stone ware pipeCode for laying of concrete of pipesCode for practice for laying of welded steel pipesThe laying of pipes and fittings / specials shall comply with all currentlyapplicable statutes, regulations, standards and codes.15.18. Alignment and the L-sections : The alignment and L-sections and locations ofspecials, valves and chambers shown in the drawing may be changed at site inco-ordination with and approval of the site engineer.15.17.3 Carting and Handling:15.17.3.1 Pipes and fittings / special shall be transported from the to the work sites, atplaces along the alignment of pipe line as directed by Engineer. Contractorshall be responsible for the safety of pipes and fittings / specials in transit,loading / unloading.15.17.3.2 Every care shall be exercised in handling pipes and fittings / specials to avoiddamage. While unloading, the pipes and fittings / specials shall not be thrownfrom the truck on the hard surfaces. They should be unloaded on timber withsteadying ropes or by any other approved means.15.17.3.3 Padding shall be provided between coated pipes, fittings / specials and timberskids to avoid damage to the coating. Suitable gaps between pipes should beleft at intervals in order to permit access from one side to the other. In case ofUrban Administration & Development Department Page 184
spigot & socket pipes while unloading as for as possible pipes shall beunloaded on one side of the trench only.15.17.3.4 The pipes shall be checked for any visible damage (such as broken edges,cracking or splaying of pipes) while unloading. Any pipe which shows sufficientdamage to preclude it from being used shall be discarded. Dragging of pipesand fittings / specials along concrete and similar pavement with hard surfacesshall be prohibited.15.17.3.5 Wherever a section of pipe, or a fitting is to be lifted or moved, it shall behandled carefully with belt slings. The belts shall be constructed so that nometal bears against the pipe and so that the bearing is uniform. The width ofthe belts shall be adequate to prevent any damage to the pipe coating.15.17.3.6 The pipe section may at no time be dropped but shall be lowered care fully in toposition and may not be slided along the ground. If it is to be rolled, it may bedone only on slides or ground specially prepared so as to prevent any damageto the coating.15.17.3.7 All State and local laws be observed during transportation. The contractor shallsecure permits and licenses and provide all signals, guards and lights that maybe required. Upon delivery the pipe sections and fittings shall be placed onspecially prepared ground to protect them from distortion and damage. Theground shall be prepared so that they will rest evenly and will have uniformbearing throughout their lengths. Valve and sluice gates shall be placed onblockings.15.17.4 Storage15.17.4.1 Each stack of pipes shall contain only pipes of same class and size, withconsignment or batch number marked on it with particulars of supplierswherever possible. Storage shall be done on firm level and clean ground andwedges shall be provided at the bottom layer to keep the stack stable.15.17.4.2 The stack shall be in pyramid shape or the pipes laid lengthwise and crosswisein alternate layers. The pyramid stack shall be made for smaller diameter pipesfor conserving space in storing them. The height of the stack shall not exceed1.5m.15.17.4.3 Fittings/special shall be stacked under cover and separated from pipes. Valvesand sluice gates shall be placed on blocking.15.17.4.4 Rubber rings shall be stored in a clean, cool store away from window, boiler,electrical equipment and petrol, oils or other chemical. Particularly in the fieldwhere the rubber rings are being used it is desirable that they should not be leftout on the ground in the sun or overnight under heavy frost or snow conditions.15.17. 5 Laying15.17.5.1 Excavation15.17.5.2 Before excavating the trench the alignment of pipeline shall be approved byEngineer. The excavation of trenches and pits for manholes / chambers shallbe carried out in accordance with the specification and shall be done such thatit does not get far ahead of laying operation as approved by Engineer.Urban Administration & Development Department Page 185
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GOVERNMENT OF MADHYA PRADESHDEPARTM
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Branch(i) A special form of cast ir
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A valve in which the closure to an
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Sullage waste Water:Spent water fro
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Laying:The approximate positions of
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CHAPTER NO.1CAST IRON SOCKET AND SP
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Socket and spigot pipes Class AWeig
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1.5 .4 Pipe shall be tested hydrost
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1.9.3 Mass (weight) of the various
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Diameter (mm)Weight (approx) kgHeav
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1.9.3.11 Cast iron plugs:-Diameter
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1.12.7 Caulking may be done with pn
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2.5 Thrust Blocks2.5.1 In case of b
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2.9.3 Should any test of the pipe l
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CHAPTER NO.3CAST IRON PIPES AND SPE
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3.4.2.2 Cast iron flanged spigot:-R
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3.4.2.6 All flanged cast iron tees:
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Nominal diameterTable 2.3Refer Tabl
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Table No.3.8DimensionWall thickness
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CHAPTER NO. 4DUCTILE IRON PRESSURE
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Nominal Diameter Outer diameter of
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4.3.2.4 Where the coating material
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Nominal DiameterDN (mm)Table No. 4.
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4.7.2.3 Lengths of FittingsThe perm
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during the jointing operations. As
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CHAPTER NO.5:UNPLASTICIZED PVC PIPE
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NominaloutsideDiameter(Nominalsize)
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5.10 Handling and storage5.10.1 Bec
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a)b) Size of the fitting and the ap
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5.14.5 Trench Bottom5.14.5.1 The tr
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CHAPTER NO.6CAST IRON VALVES6.1 App
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efore painting. All exposed machine
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with the main. For large aqueduct p
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6.4.7 Nominal sizes :-6.4.7.1 The r
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Table No.6.6Material for different
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CHAPTER -7GALVANIZED IRON PIPES, SP
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7.4.2 Globe Valves- The globe valve
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7.6 Testing of valves:-7.6.1 Genera
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NominalBoreDimensions and Nominal M
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7.10 Testing of Pipes :Following te
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Nominal BoreMinimum Outside Minimum
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7.15.2.2 Taper Screw Plug TestSocke
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7.20.2 All pipes and fittings shall
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S.NoTolerance and ovality is given
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8.7.2 The pipe shall be as uniform
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directional changes within the tren
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frequently used and in normal or sl
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8.22 Test to Establish Perfectibili
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8.26.6.3 PP Saddles8.26.6.3.1 The b
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g Bypass Pipe Carbon Steel IS1239(p
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9.4.1 Coupling Area of jointThis is
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Table No. 9.3Hydrostatic Design Pre
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polyester belts with a minimum widt
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9.19.4 Straight continues lengths o
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Table No. 10.2(Refer Table No.1 IS
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1592-2003. The tolerances on the in
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10.5.2.5 Weight of cast iron plain
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10.5.2.9 Weight of cast iron Plain
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10.8.1.1 Width- The width of the tr
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10.11.2 Cast Iron Detachable Joints
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shall be used between the straps an
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10.18.9.1 After the test has been c
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CHAPTER NO- 11SALT GLAZED STONEWRE
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11.3.2 Each pipe and fittings may a
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on each horizontal rail which is fi
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Page 138 and 139: CHAPTER NO- 12UNPLASTICIZED NON-PRE
Page 140 and 141: 12.4 Dimensions of Pipes:12.4.1 Mea
Page 142 and 143: 12.8 Trench:-(See Drawing No.3)12.8
Page 144 and 145: 12.13.3 Care should be taken to lea
Page 146 and 147: 12.17.6 HandlingFollowing Recommend
Page 148 and 149: 12.17.10 Construction of backfill e
Page 150 and 151: CHAPTER - 13REINFORCED CEMENT CONCR
Page 152 and 153: Diameter ThicknessStrength Test Req
Page 154 and 155: Table 13.5(Refer Clause 8.2 IS 458
Page 156 and 157: efore the next pipe is laid. Adequa
Page 158 and 159: 13.11.4 The water shall be filled t
Page 160 and 161: Chapter - 14SEWER APPURTENANCES14.1
Page 162 and 163: provided with cover of medium duty
Page 164 and 165: 14.3.5.4.3 (c) By drop in previous
Page 166 and 167: 14.5.3.4 Where the diameter of the
Page 168 and 169: 14.7.4 Heavy reinforced concrete co
Page 170 and 171: 14.11 By pass:By pass arrangements
Page 172 and 173: acetate paper, silt drums, ropes, i
Page 174 and 175: 14.22. Automotive Suction Machine :
Page 176 and 177: 14.25.3 Brick Masonry Chamber : Aft
Page 178 and 179: 15.2.5 Lift: the vertical distance
Page 180 and 181: ensure that drilling has been done
Page 182 and 183: accepted deductions (stated as a pe
Page 184 and 185: described in IS 4031 (Part-5) : 198
Page 188 and 189: 15.17.5.3 To protect persons from i
Page 190 and 191: 15.17.5.19. Wherever a socket or co
Page 192 and 193: esults in unsuitable sub grade cond
Page 194 and 195: 15.17.14.7 Clear out space shall be
Page 196 and 197: 15.17.15.7.1 Ordinarily no surplus
Page 198 and 199: Water Supply pipes lines should be
Page 200 and 201: 16.3.3 Failure to remove the ridge
Page 202 and 203: 16.9.12 The cover shall be capable
Page 204 and 205: 17.7 Development of tube-well with
Page 206 and 207: 17.13.4 Fine enough to prevent the
Page 208 and 209: (iv) No. of slots per m 429(v) % Ar
Page 210 and 211: Annexure: ADRILLING OF TUBE WELL1.
Page 212 and 213: particularly those having clay or s
Page 214 and 215: 5.3.2 The shape of the openings sho
Page 216 and 217: 5.7.3.6.1 The contractor shall deve
Page 218 and 219: STRATACHATANNEXURE-2Mohalla/BastiNa
Page 220 and 221: LocationApparentResistivelyAB/2Inte
Page 222 and 223: GRAVEL PACKED TUBE WELLSGAVEL PACKE
Page 224 and 225: HAND PUMP PLATEFORMUrban Administra
Page 226 and 227: Urban Administration & Development
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Urban Administration & Development
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Specifications Part 1 - Water Supply, Sewerage and Tube Well Works

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