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

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Exhaust Fans : Exhaust fans shall conform to the relevant Indian Standards. Exhaust fans shall be fixed at the places indicated by the Engineer-in-charge. For fixing an exhaust fan, a circular hole shall be provided in the wall to suit the size of the frame, which shall be fixed by means of rag bolts embedded to the wall. The hole shall be neatly plastered to the original finish of the wall. The exhaust fan shall be connected to exhaust fan point which shall be wired as near to the hole as possible by means of a flexible cord, care being taken that the blades rotate in the proper direction. Exhaust fans for installation in corrosive atmosphere fan shall be painted with a special PVC paint or chlorinated rubber paint (Chloro rubber paint). Installation of exhaust fans at locations need careful consideration. The regulators of ceiling fans/exhaust fans shall be connected to earth by loop earthling. Indoor Decorative Luminaires Luminaire shall be suitable for use with twin/single T.L. 40 watt 1200 mm (4’). 240V fluorescent lamps, comprising of CRCA sheet steel channel stove enameled grey which incorporates all electrical accessories like quick fit lamp holder, starter holder, polyester filled ballast, power factor correction capacitor and duly prewired upto the terminal block, with earthling arrangement facility, cover made for channel from CRCA sheet steel stove white enameled covering the channel fixed by twin screw, suitable for ceiling or pendent mounting suitable for 19mm dia conduit, reflector plate for acrylic diffuser and end covers, complete in all respects ready for use. The luminaire shall conform to IS:1913. Outdoor Lighting. Poles: Street light poles shall be steel tubular swaged type, conforming to IS:2713 - 1969., suitably long with M.S. base plate with pipe cap and over hung 2 metres long having dia. to suit the socket of 70/250 watts, 240V, High pressure sodium vapour lamp or metal halide fitting. GTS : General Technical Specification. Page 130
Outdoor Luminaire: The luminaire shall be 250 watt H.P.S.V. with all accessories and shall be deep drawn aluminium reflector stove enameled grey outside and brightened and annodised inside lined with felt gasket to prevent insect entry. Die cast aluminium housing covered with a lid shall be provided to accommodate all electrical accessories, such as independent ballast, power factor improvement capacitor, wired upto terminal block. A clear acrylic cover shall be fixed to the reflector by means of 4 toggles. The luminaire shall be mounted on the mast arm of 50 mm O.D. Mirror compartment and tray compartment shall have degree of protection IP 43 and IP 33 respectively. The reflector shall be manufactured of drawn aluminium sheet and be painted to stove enamel grey outside and brightened and annodised inside. The housing shall be diecast aluminium - A6 Grade MBV treated covered with acrylic sheet clear. 15.19 Emergency Light. Emergency light unit working on 230 volts. A.C. supply shall be self containing unit with 20 watts 600 mm long florescent lamp type ‘SWITCH ON MAIN FAILURE’. It shall be electronic automatic fluorescent type which incorporates a unit trickle charge circuit, which shall prevent overcharging of battery. The battery shall be maintenance free. The unit shall provide 4 hours illumination following power failure. The units shall generally conform to IS:9583. 15.20 Earthing. Earthing in general shall comply with C.P. (Code of Practice) 3043 of Indian Standards. Earth electrode either in the form of pipe electrode or plate electrode should be provided at all premises for providing earthing system. GTS : General Technical Specification. Page 131
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Government of Meghalaya Public Heal
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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
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Expansion joints. Expansion joints
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1.16 Conservation water. Special Co
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oads, protection to existing underg
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the relevant standards and codes in
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1.33 Demolition. Before commencing
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Motors, gearing, transmission, elec
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Construction Camps :The Contractor
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2.1 Description. Chapter 2 Submitta
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3.1 Clearing site. Chapter 3 Site p
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Chapter 4 Dismantling 4.1 Dismantli
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5.1 Description. Chapter 5 Earth Wo
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The trench shall be so dug that the
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5.12 Excavation for appurtenance. E
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5.16 Caution cum information boards
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f) Before and during the backfillin
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6.1 Brick work. Masonry Mortars: Pr
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6.4 Scaffolding. Scaffolding shall
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Half or cut bricks shall not be use
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7.1 Concrete. General: Chapter : 7
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) Gradation: (I) Unless otherwise d
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Dropping of concrete from an excess
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Cement: Cement shall, whether suppl
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Coarse aggregate shall be piled in
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Grades of concrete: The concrete sh
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Uniformity of mix: Concrete shall b
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Vibration: Vibrators shall be inser
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Jointing: The face of a constructio
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8.1 Material. Chapter 8 Form Work A
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8.3 Removal of Forms and Shoring. F
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9.1 General. Chapter : 9 Reinforcem
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9.6 Dowels. Where and as designated
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(viii) Increased cover thickness sh
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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
Page 119 and 120: While removing the cable from the d
Page 121 and 122: Testing of Cables: Once the cable i
Page 123 and 124: Point Wiring: Point wiring shall in
Page 125 and 126: Control at point of entry supply: T
Page 127 and 128: A conductor shall be carried in an
Page 129 and 130: 5 Amps and 15 Amps socket outlet sh
Page 131: All outlets such as switches, wall
Page 135 and 136: All earth wires and earth continuit
Page 137 and 138: The capacitor bank may comprise of
Page 139 and 140: 15.22 Pumping Machineries. Applicab
Page 141 and 142: Iron and steel are in general to be
Page 143 and 144: Workmanship: Workmanship and genera
Page 145 and 146: On removal from the galvanising bat
Page 147 and 148: They shall be efficiently lubricate
Page 149 and 150: Codes and standards: The design, ma
Page 151 and 152: The design of bearing should be suc
Page 153 and 154: Base plate: The common base plate f
Page 155 and 156: The commissioning tests shall be pe
Page 157 and 158: Motor Winding: Motor winding shall
Page 159 and 160: Chapter - 16 Technical specificatio
Page 161 and 162: vii) This region has experienced a
Page 163 and 164: 16.7 The reduced level at different
Page 165 and 166: Chapter 17 Technical specification
Page 167 and 168: Chapter 18 Technical Specification
Page 169 and 170: (b) Pits for joints : When welding
Page 171 and 172: All excavated materials shall be th
Page 173 and 174: Supply of paints with approved qual
Page 175 and 176: shall be lowered into the trench by
Page 177 and 178: 2. Protective devices, such as reli
Page 179 and 180: Education of crew members as to the
Page 181 and 182: The anchors provided at the mid-poi
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Chapter 19 Technical specification
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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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