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

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efore painting. All exposed machined ferrous surfaces shall be painted withone coat of aluminum red oxide primer conforming to IS 5660.6.2.7.2 Two coats of black japan conforming to Type B of IS 341 or paint conforming toIS 9862 or IS 2932 shall be applied by brush or spray for exterior application incolour as approved by the purchaser.6.2.8 Marking6.2.8.1 The following information shall be cast on each valve body in raised letters.(a)-mark:(b) The nominal pressure of valve (PN 1.0 or PN 1.6);(c) Size of valve (mm);(d) Heat number of cast;(e) Year of manufacture;In addition each valve shall bear conspicuously upon it prior to dispatch;(f) Serial number in puch, on top of flanges: and(g) Where a valve has been tested for only opendistinctlyand permanently on flanges adjacent to serial number.6.2.8.2 Each sluice valve shall be marked with the Standard Mark.6.2.9 Installation of sluice valves:6.2.9.1 Sluice valves shall normally be installed with spindle vertical on horizontalpipes except on vertical pipes spindle shall be horizontal. On slopes, the sluicevalves may preferably be kept vertical if slope is nominal and gradient can beadjusted with the help of connecting pipes on either sides.6.2.9.1.1 It shall be ensured while fixing sluice valves in pipe line below ground level thata clear space of about 200 mm is available between the top of the sluice valvespindle and surface box, so that valve cap may be easily provided whensurface box is kept in flush with road level.6.2.9.2 It is most important to ensure that:a) All grit and foreign matters are removed from the inside of thevalves before placing in pipes, andb) All the four faces are thoroughly cleaned and coated with a thin layerof mineral grease.6.2.9.3 It is important to check tightening of gland with a pair of inside calipers.Clearance between the top of the stuffing box and the underside of the glandshould be uniform on all the sides.6.2.9.4 Gland should not be tightened too hard. The pressure applied should be justenough to stanch leakage.6.2.9.5 Hemp packing should be adequately soaked in grease and should not beallowed to remain dry.Urban Administration & Development Department Page 66
6.2.9.6 The valves should be tightly closed when being installed, as this keeps thevalves rigid and prevents any foreign matter from getting in between theworking parts of the valves.6.2.9.7 While installing flanged valves, each flange bolt should be tightened a little at atime, taking care to tighten diametrically opposite bolts alternately. The practiceof fully tightening the bolts one after the other is highly undesirable.6.2.9.8 After installation of the valve, the valve and the pipe line should be flushed withwater to remove any foreign matter that may be present in them.6.2.9.9 If any leak is detected at the valve seats, applying extra torque on the valvespindle to set right the valve is not good practice, the valve seats should beexamined and, if necessary, repaired by scraping or replacing wherenecessary.6.2.9.10 Valves in exposed positions should be protected in cold weather where there isa likelihood of their becoming frozen and bursting.6.2.9.11 Surface boxes conforming to IS: 3950-1966 should be provided to cover thevalve chamber for the safety and easy identification of the valves.6.2.9.12 The direction of opening and closing should be clearly indicated.6.2.9.13 Suitable identification plate should be provided as near to the actual location ofvalves as possible.6.2.9.14 Care should be taken to ensure that the joining material sits squarely betweenthe flanges of the valve and pipe lines or tails without obstructing the waterway. It is to be ensured that there are no kinks in the joints material as mightallowed leakage in service.6.2.9.15 Maintenance of sluice valve should be done periodically as per guide line in IS2685:1971 chapter 4.6. 3 Air Valve6.3.1 Air valves are to be used for evacuation of accumulation of air in water mainsunder pressure, for the exhaust of air when such mains are being charged withwater and for inlet of air when they are emptied of water.6.3.2 There are two types of air valves generally use. Single air valves with singleball and double air valve with double ball. The single ball type can have eitherlarge orifice or small orifice, the former being only suitable for emptying andfilling of pipe line and latter for discharging small quantities of entrained air inthe pipe.6.3.3 Double air valves are commonly available which are suitable for dual purposewith a large orifice and a small orifice in one unit, with a common connectionUrban Administration & Development Department Page 67
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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
Page 18 and 19: 1.9.3 Mass (weight) of the various
Page 20 and 21: Diameter (mm)Weight (approx) kgHeav
Page 24 and 25: 1.9.3.11 Cast iron plugs:-Diameter
Page 26 and 27: 1.12.7 Caulking may be done with pn
Page 28 and 29: 2.5 Thrust Blocks2.5.1 In case of b
Page 30 and 31: 2.9.3 Should any test of the pipe l
Page 32 and 33: CHAPTER NO.3CAST IRON PIPES AND SPE
Page 34 and 35: 3.4.2.2 Cast iron flanged spigot:-R
Page 36 and 37: 3.4.2.6 All flanged cast iron tees:
Page 40 and 41: Nominal diameterTable 2.3Refer Tabl
Page 42 and 43: Table No.3.8DimensionWall thickness
Page 44 and 45: CHAPTER NO. 4DUCTILE IRON PRESSURE
Page 46 and 47: Nominal Diameter Outer diameter of
Page 48 and 49: 4.3.2.4 Where the coating material
Page 50 and 51: Nominal DiameterDN (mm)Table No. 4.
Page 52 and 53: 4.7.2.3 Lengths of FittingsThe perm
Page 54 and 55: during the jointing operations. As
Page 56 and 57: CHAPTER NO.5:UNPLASTICIZED PVC PIPE
Page 58 and 59: NominaloutsideDiameter(Nominalsize)
Page 60 and 61: 5.10 Handling and storage5.10.1 Bec
Page 62 and 63: a)b) Size of the fitting and the ap
Page 64 and 65: 5.14.5 Trench Bottom5.14.5.1 The tr
Page 66 and 67: CHAPTER NO.6CAST IRON VALVES6.1 App
Page 70 and 71: with the main. For large aqueduct p
Page 72 and 73: 6.4.7 Nominal sizes :-6.4.7.1 The r
Page 74 and 75: Table No.6.6Material for different
Page 76 and 77: CHAPTER -7GALVANIZED IRON PIPES, SP
Page 78 and 79: 7.4.2 Globe Valves- The globe valve
Page 80 and 81: 7.6 Testing of valves:-7.6.1 Genera
Page 82 and 83: NominalBoreDimensions and Nominal M
Page 84 and 85: 7.10 Testing of Pipes :Following te
Page 86 and 87: Nominal BoreMinimum Outside Minimum
Page 88 and 89: 7.15.2.2 Taper Screw Plug TestSocke
Page 90 and 91: 7.20.2 All pipes and fittings shall
Page 92 and 93: S.NoTolerance and ovality is given
Page 94 and 95: 8.7.2 The pipe shall be as uniform
Page 96 and 97: directional changes within the tren
Page 98 and 99: frequently used and in normal or sl
Page 100 and 101: 8.22 Test to Establish Perfectibili
Page 102 and 103: 8.26.6.3 PP Saddles8.26.6.3.1 The b
Page 104 and 105: g Bypass Pipe Carbon Steel IS1239(p
Page 106 and 107: 9.4.1 Coupling Area of jointThis is
Page 108 and 109: Table No. 9.3Hydrostatic Design Pre
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Page 112 and 113: 9.19.4 Straight continues lengths o
Page 114 and 115: Table No. 10.2(Refer Table No.1 IS
Page 116 and 117: 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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11.7.7 The joint with cast iron or
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CHAPTER NO- 12UNPLASTICIZED NON-PRE
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12.4 Dimensions of Pipes:12.4.1 Mea
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12.8 Trench:-(See Drawing No.3)12.8
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12.13.3 Care should be taken to lea
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12.17.6 HandlingFollowing Recommend
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12.17.10 Construction of backfill e
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CHAPTER - 13REINFORCED CEMENT CONCR
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Diameter ThicknessStrength Test Req
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Table 13.5(Refer Clause 8.2 IS 458
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efore the next pipe is laid. Adequa
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13.11.4 The water shall be filled t
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Chapter - 14SEWER APPURTENANCES14.1
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provided with cover of medium duty
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14.3.5.4.3 (c) By drop in previous
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14.5.3.4 Where the diameter of the
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14.7.4 Heavy reinforced concrete co
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14.11 By pass:By pass arrangements
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acetate paper, silt drums, ropes, i
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14.22. Automotive Suction Machine :
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14.25.3 Brick Masonry Chamber : Aft
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15.2.5 Lift: the vertical distance
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ensure that drilling has been done
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accepted deductions (stated as a pe
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described in IS 4031 (Part-5) : 198
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v) Cleat bolt of size M-10vi)vii)Se
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15.17.5.3 To protect persons from i
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15.17.5.19. Wherever a socket or co
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esults in unsuitable sub grade cond
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15.17.14.7 Clear out space shall be
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15.17.15.7.1 Ordinarily no surplus
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Water Supply pipes lines should be
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16.3.3 Failure to remove the ridge
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16.9.12 The cover shall be capable
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17.7 Development of tube-well with
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17.13.4 Fine enough to prevent the
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(iv) No. of slots per m 429(v) % Ar
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Annexure: ADRILLING OF TUBE WELL1.
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particularly those having clay or s
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5.3.2 The shape of the openings sho
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5.7.3.6.1 The contractor shall deve
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STRATACHATANNEXURE-2Mohalla/BastiNa
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LocationApparentResistivelyAB/2Inte
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GRAVEL PACKED TUBE WELLSGAVEL PACKE
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HAND PUMP PLATEFORMUrban Administra
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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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