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

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7.4.2 Globe Valves- The globe valves shall be of the following types having risingstem with inside or outside screw:a) Straight type, andb) Right angle type.7.4.3 Check valves The check valves shall be of the following types:a) Swing type (for use with the axis of the body end ports horizontal or vertical)b) Lift type with disc or ball check (for use with the axes of the body end portshorizontal or vertical or in applications where the axis or the body end ports areat right angles.Note : Swing check valves may also be used in vertical direction when the flowis in the upward direction.7.5 Materials of valves7.5.1 The materials used for the manufacture of different component parts of thevalves shall conform to the requirements given under-Table 7.2Material for component parts of gate globe and check valvesSL. No. Component Material Conforming To1 i ) Body a) Brass DCB 2 of IS: 1264-1981 1b)Leaded tin bronze LTB 2 of IS: 318-1981 22 ii) Bonnet or cover a) Leaded tin bronze Do3iii) Stuffing box, disc hinge, check nut,stem nut, disc retaining nut, gland,gland nut, gland flange, body seat ringsand disc or wedge facing rings(whererenewable)b) Forged brass CuZn 4 2pb2 or IS: 3488-1980 3c) Brass DCB 2 of IS: 1264-1981 1a) Leaded tinbronzeLTB 2 of IS: 318-1981 2b) Extruded brass rod Type I or Type II (Half hard) of IS:319-1974 4c) Forged brass CuZn 4 2pb2 or IS: 3488-1980 3d) BrassDCB 2 of IS: 1264-1981 14 iv) Stem, hinge pin and plug a) Extruded brass rod Type II (Half hard) of IS: 319-1974 4HT 1 or HT 2 of IS: 320-1980 5b) High-tensile brassFHTB 1 and FHTB 2 ofIS : 6912-1973 6c) Forged brass CuZn 4 2 Pb2 of IS: 3488-1980 25 v) Ball (for ball type check valves) Chromium steel IS: 4398-1972 76 vi) Bolts, nuts Mild steelProperty clauses 4.6 and 4 of IS:1367-1967 87 vii) Hand wheel Cast iron FG 200 of IS: 210-1978 98 viii) Gasket Compressed asbestos fibre Grade C of IS: 2712-1971 109 ix) Gland packing a) Hemp and jute IS: 5414-1969 11b) asbestos IS: 4687-1980 1210 x) Spring Phosphor bronze wire IS: 7608-1975 1311 xi) Seating ring Synthetic rubber IS: 5192-1975 14Urban Administration & Development Department Page 76
7.5.2 Flanged body Ends The flange of flanged end valves shall be integral withthe body and machined flat.7.5.2.1 The flange dimensions shall comply with the values given in Table 7.3SLNo.NominalSizeTable No. 7.3Flange dimensions for class 1 and class 2 valves:(All dimensions are in millimeters)Diameterof flangeThicknessof FlangeDiameterof Belt CircleNo. ofHolesDiametersof Holes(1) (2) (3) (4) (5) (6) (7)i) 15 95 ± 1 6+ 1.5 , --0 65 4 14ii) 20 105 ± 1 6+ 1.5 , --0 75 4 14iii) 25 115 ± 1 8+ 1.5 , --0 85 4 14iv) 32 140 ± 1 8+ 1.5 , --0 100 4 18v) 40 150 ± 1 9+ 1.5 , --0 110 4 18vi) 50 165 ± 1 11+ 1.5 , --0 125 4 18vii) 65 185 ± 1 13+ 1.5 , --0 145 4 18viii) 80 200 ± 1 13+ 1.5 , --0 160 8 18ix) 100 220 ± 1.5 16+ 1.5 , --0 180 8 187.5.3 The holes in flanges shall be drilled unless otherwise stated by the purchaser.7.5.4 Face to face dimensions of flanged valves are given below:-TypeDesignTable No. 7.4All dimensions in millimetersClasDimensions for nominal size of valve15 20 25 32 40 50 65 80 100Gate Valve i) Screwed-in bonnet integral seat 1,2 72 76 90 100 110 120 140 150 190ii) Screwed-in bonnet renewableseat2 ---- --- ---- --- 120 135 155 165 205iii) Screwed-on bonnet integralseat2 80 90 100 110 120 135 165 185 ----iv) Screwed-on bonnet renewableseat2 ---- ---- ---- ----- 130 150 180 200 -----v) Bolted bonnet, integral orrenewable seat2 ---- ----- ----- ----- 130 150 180 200 240Globe Valves &Lift check valves(straight)i) Screwed-in bonnet integralseat1,2 75 85 95 100 120 145 165 185 216ii) Screwed-on bonnet integralor renewable seat2 80 95 115 130 145 170 205 225 280iii) Bolted bonnet, integral or122renewable seat120 140 150 155 170 200 240 270Swing check i) Screwed-in bonnet integralvalvesseat1,2 80 90 110 120 135 170 185 205 250ii) Screwed-in bonnetrenewable seat1,2 ---- ---- ---- ---- 135 170 185 205 250iii) Bolted bonnet, integral orrenewable seat2 ---- ----- ---- ----- 135 170 185 205 250Note : 1 Wherever dimensions are not given, those sizes are not generally manufactured those designs.Note : 2 A tolerance of ± 1.5 mm shall be permissible on above dimensionsUrban Administration & Development Department Page 77
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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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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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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
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Page 38 and 39: Diameter (mm)Weight (approx) kgHeav
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 68 and 69: efore painting. All exposed machine
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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 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
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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
Page 110 and 111: polyester belts with a minimum widt
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
Page 118 and 119: 10.5.2.5 Weight of cast iron plain
Page 120 and 121: 10.5.2.9 Weight of cast iron Plain
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Page 124 and 125: 10.11.2 Cast Iron Detachable Joints
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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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