PACKAGE : I Bid Document VOLUME : II - Public Health Engineering

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2. Where specified, the surface of the set concrete shall be painted with two coats of an approved bituminous paint, which shall be allowed to dry before placing new concrete against it. Care shall be taken to prevent paint getting on the water stop, if any. 3. Expansion joints shall be formed by a separating strip of pre-formed compressible imperishable joint filler, to be approved by the Engineer. 7.15 Testing of concrete. Sampling and strength test of concrete shall be as per 14 of IS:456-2000. GTS : General Technical Specification. Page 66
8.1 Material. Chapter 8 Form Work All formwork for concrete work shall be mostly of MS Plates. The plates shall be free from wrinkles, lumps or other imperfections. Steel plates shall have sufficient thickness to withstand the construction loads and the pressure exerted by the wet concrete as well as vibration during placing of concrete. Normally the thickness shall not be less than 18 gauge for MS Plates. The formwork may also be constructed of timber, or other approved material. It shall be firmly supported, adequately strutted, braced and tied to withstand the placing and vibrating of concrete and the effects of weather. One copy of the contractors shoring and formwork drawings shall be submitted to the Empolyer for record purpose only and not for review or approval. Forms, shoring and false work shall be adequate for imposed live and dead loads including equipment and men, height of concrete drop, concrete and foundation pressures and stresses, wind pressures, lateral stability, and other safety factors during construction. The contractor shall be responsible for the calculations and designs for the formwork. The contractor shall be held solely responsible for any failure and for the safety of work and workmen. He shall pay necessary compensation, if need be, for damages to work, property and injuries to persons. The scaffolding, hoisting arrangements and ladders shall have easy approach to work spot and afford easy inspection. All formwork shall be fabricated in compliance with the best modern practice, so that the finished surface is even, unblemished free of fins and true to line, level and shape as shown in the drawings. The forms shall comply with the requirements of IS: 456. 8.2 Arrangements. All formwork shall conform to the shape, lines, dimensions as shown on the plans of the concrete members. the formwork shall include all wedging, bracing, the rod, clamps, stop off boards and other devices necessary to mould the concrete to the desired shape. The formwork shall be constructed as to remain sufficiently rigid during the placing and compacting of the concrete and shall withstand the necessary pressure, ramming and vibrations without any deflection from the prescribed lines GTS : General Technical Specification. Page 67
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Government of Meghalaya Public Heal
Page 3 and 4:
1.1 Materials. Chapter 1 General Te
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IS: 1786 - 1985 Specification for h
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IS: 1500 - 2005 Methods for brinell
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Cement bags brought to the site mus
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Laying : The cement, sand and stone
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1.6 Reinforced Cement Concrete. All
Page 15 and 16:
Expansion joints. Expansion joints
Page 17 and 18: 1.16 Conservation water. Special Co
Page 19 and 20: oads, protection to existing underg
Page 21 and 22: the relevant standards and codes in
Page 23 and 24: 1.33 Demolition. Before commencing
Page 25 and 26: Motors, gearing, transmission, elec
Page 27 and 28: Construction Camps :The Contractor
Page 29 and 30: 2.1 Description. Chapter 2 Submitta
Page 31 and 32: 3.1 Clearing site. Chapter 3 Site p
Page 33 and 34: Chapter 4 Dismantling 4.1 Dismantli
Page 35 and 36: 5.1 Description. Chapter 5 Earth Wo
Page 37 and 38: The trench shall be so dug that the
Page 39 and 40: 5.12 Excavation for appurtenance. E
Page 41 and 42: 5.16 Caution cum information boards
Page 43 and 44: f) Before and during the backfillin
Page 45 and 46: 6.1 Brick work. Masonry Mortars: Pr
Page 47 and 48: 6.4 Scaffolding. Scaffolding shall
Page 49 and 50: Half or cut bricks shall not be use
Page 51 and 52: 7.1 Concrete. General: Chapter : 7
Page 53 and 54: ) Gradation: (I) Unless otherwise d
Page 55 and 56: Dropping of concrete from an excess
Page 57 and 58: Cement: Cement shall, whether suppl
Page 59 and 60: Coarse aggregate shall be piled in
Page 61 and 62: Grades of concrete: The concrete sh
Page 63 and 64: Uniformity of mix: Concrete shall b
Page 65 and 66: Vibration: Vibrators shall be inser
Page 67: Jointing: The face of a constructio
Page 71 and 72: 8.3 Removal of Forms and Shoring. F
Page 73 and 74: 9.1 General. Chapter : 9 Reinforcem
Page 75 and 76: 9.6 Dowels. Where and as designated
Page 77 and 78: (viii) Increased cover thickness sh
Page 79 and 80: 10.1 Definitions. Chapter : 10 Plas
Page 81 and 82: The fine aggregate for cement morta
Page 83 and 84: Roughness: Smooth surfaces of in-si
Page 85 and 86: In suspending the work at the end o
Page 87 and 88: 11.1 Transportation. Chapter - 11 L
Page 89 and 90: At the end of each day, the end of
Page 91 and 92: Where joints are left uncovered unt
Page 93 and 94: 11.9 Flanged joints. Flanged joint
Page 95 and 96: A. Sluice valves 12.1 General. Chap
Page 97 and 98: 12.6 Lubrication. All the points wh
Page 99 and 100: 13.1 Fixing of Sluice Valves. Gener
Page 101 and 102: Preparation: The air valves and the
Page 103 and 104: 14.1 Pressure gauges Material: Chap
Page 105 and 106: Chapter - 15 Electrical Works and P
Page 107 and 108: 7. The bidder should enclose along
Page 109 and 110: 15.9 Approval by fire insurance aut
Page 111 and 112: All spare contacts and terminal of
Page 113 and 114: Painting: The panels shall undergo
Page 115 and 116: Auto Transformer Starters : The aut
Page 117 and 118: Contactors: The three pole contacto
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While removing the cable from the d
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Testing of Cables: Once the cable i
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Point Wiring: Point wiring shall in
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Control at point of entry supply: T
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A conductor shall be carried in an
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5 Amps and 15 Amps socket outlet sh
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All outlets such as switches, wall
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Outdoor Luminaire: The luminaire sh
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All earth wires and earth continuit
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The capacitor bank may comprise of
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15.22 Pumping Machineries. Applicab
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Iron and steel are in general to be
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Workmanship: Workmanship and genera
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On removal from the galvanising bat
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They shall be efficiently lubricate
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Codes and standards: The design, ma
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The design of bearing should be suc
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Base plate: The common base plate f
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The commissioning tests shall be pe
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Motor Winding: Motor winding shall
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Chapter - 16 Technical specificatio
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vii) This region has experienced a
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16.7 The reduced level at different
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Chapter 17 Technical specification
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Chapter 18 Technical Specification
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(b) Pits for joints : When welding
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All excavated materials shall be th
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Supply of paints with approved qual
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shall be lowered into the trench by
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2. Protective devices, such as reli
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Education of crew members as to the
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The anchors provided at the mid-poi
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including laying of the Rising Main
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The pumps shall be of non pull out
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5. a) Centre to centre spacing (bet
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The pump TBH shall be calculated by
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Bidder for solo and parallel operat
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i) Seal ring/ earing ring : Materia
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4. Detail Particulars : The technic
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The Bidder shall furnish with the o
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19.14 Starters : In selection of st
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Pressure gauge (IS 3624): The deliv
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Bidder shall be provided with one p
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19.23 Valves & Specials for Pump in
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19.30 Equipment transfer trolley. O
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Each installation shall include the
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Fixtures shall be fully wired up to
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Exhaust Fan: For ensuring open vent
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Miscellaneous electrical safety dev
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For long run, junction/pull boxes s
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Foundation & Civil Works : Equipmen
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e) Exhaust fan: For ensuring open v
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It is the responsibility of Bidder
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In the design selection of pumping
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Bearings : Has been detailed elsewh
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Chapter 21 Water Treatment Works. 2
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Sterilisation : For sterilisation o
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ii) Agitator drive comprising elect
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xx) Air blower of 500 cfm capacity
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The contractor shall assume full re
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Filters House and associated plant
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Control room & laboratory : The var
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Sl. No. Parameter 28. Selenium (mg/
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The chlorinators shall be arranged
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21.12 Filtration Works. The works t
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21.16 Filter media and charging. Th
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Slow Start : Following cleansing op
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The gears between the driver and dr
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Special foundations in poor soil :
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Protection of property : Trees, shr
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22.6 Pipe laying. Laying of pipes u
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i) By Hacksaw : Hand or power opera
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ii) Transportation : Pipes should b
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iv) It is prudent to begin testing
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The contractor shall assume full re
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Though the wall thickness of the pi
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Butterfly valve for individual pump
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Chapter 24 Technical Specification
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Chapter 25 Technical specifications
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Erection/laying/hoisting, fitting a
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A. Electro-Mechanical Chapter 26 Ve
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PACKAGE : I Bid Document VOLUME : II - Public Health Engineering

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