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

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Technical specification for the drive motors : Has been detailed elsewhere in this document. Design & Operational requirement : Has been detailed elsewhere in this document. Detail Particulars : Has been detailed elsewhere in this document. H.T Power Distribution Panel Board : Has been detailed elsewhere in this document. L.T. 415V, Power Distribution Panel Board : Has been detailed elsewhere in this document. Motor Control Centre : Has been detailed elsewhere in this document. Instrumentation and Control System: Has been detailed elsewhere in this document. Specification of Instrumentation : Has been detailed elsewhere in this document. Specification: 1. Quantity to be provided : 4 nos. 2. Type : Top mounted (directly) diaphragm sealed type. 3. Reference standard : IS 3624 4. Range : 0 – 50 Kg / cm. sq 5. Dial size : 100 / 150 mm. 6. Accuracy : 1 % 7. M.O.C.: Dial Flanges Internals : : : Cast Aluminium SS 316 SS 304 8. Enclosure : Weather proof IP 65. 9. Accessories With M.O.C : Snubber, 2 way cock of SS 304 Cabling : Has been detailed elsewhere in this document. Earthing : Has been detailed elsewhere in this document. Power : Has been detailed elsewhere in this document. H.O.T. (Hand Operated Traveling) Gantry Crane : Has been detailed elsewhere in this document. Hand chain : Has been detailed elsewhere in this document. DTS : Detailed Tender Specification. Page 228
Bearings : Has been detailed elsewhere in this document. Valves & Specials for Pump individual delivery & common header/manifold piping : Has been detailed elsewhere in this document. Butterfly valve for individual pump discharge branch and common header. The Butterfly valves shall be CSDF ling wafer type, P.N., conforming to IS:13095. The seat pressure shall be 35kg/cm 2 and the body pressure shall be 35kg/cm 2 . The valve shall operate smoothly and steadily in both directions, free from flow induced vibrations. It shall provide tight shut off closure and shall be suitable for frequent operations as well as for throttled duty condition. The valve disc should rotate 90 from full open to full close position. The valve disc shall be solid stream lined slab design and to have minimum head loss. The seal ring shall be replaceable type and to be bolted on the body. The rubber seal on the disc must be of easy replaceable type with the facility of replacement at site. The valve of both individual pump branch and common header shall be CIDF and of suitable dia. subject to minimum 250mm. and 500mm. respectively for individual pump branch and common header. Operational arrangement of the Butterfly valves shall be with motorized actuator with inbuilt gear box and providing with extended spindle with suitable yoke so as to operate the same by the operator standing at ground / floor level. Non-return Valves. The N. R. valves shall be of suitable dia. (minimum 200mm.), CSDF, single door, suing check type which shall be provided with each individual pump discharge line. The body pressure shall be of 35kg/cm 2 and seat pressure shall be of 30kg/cm 2 . The Non-return valves shall have ample thickness and the disc shall be of non slam type. The disc of the valves properly weigh balanced to prevent pump against the valve body while in operation. The valves should pass through a hydrostatic test for minimum 30 minutes duration. MSDF Enlarge/Radial Tee : Has been detailed elsewhere in this document. Rubber Expansion joints : Has been detailed elsewhere in this document. Pressure Relief valve for rising main : Has been detailed elsewhere in this document. DTS : Detailed Tender Specification. Page 229
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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
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The fine aggregate for cement morta
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Roughness: Smooth surfaces of in-si
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In suspending the work at the end o
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11.1 Transportation. Chapter - 11 L
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At the end of each day, the end of
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Where joints are left uncovered unt
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11.9 Flanged joints. Flanged joint
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A. Sluice valves 12.1 General. Chap
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12.6 Lubrication. All the points wh
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13.1 Fixing of Sluice Valves. Gener
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Preparation: The air valves and the
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14.1 Pressure gauges Material: Chap
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Chapter - 15 Electrical Works and P
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7. The bidder should enclose along
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15.9 Approval by fire insurance aut
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All spare contacts and terminal of
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Painting: The panels shall undergo
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Auto Transformer Starters : The aut
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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
Page 179 and 180: Education of crew members as to the
Page 181 and 182: The anchors provided at the mid-poi
Page 183 and 184: Chapter 19 Technical specification
Page 185 and 186: including laying of the Rising Main
Page 187 and 188: The pumps shall be of non pull out
Page 189 and 190: 5. a) Centre to centre spacing (bet
Page 191 and 192: The pump TBH shall be calculated by
Page 193 and 194: Bidder for solo and parallel operat
Page 195 and 196: i) Seal ring/ earing ring : Materia
Page 197 and 198: 4. Detail Particulars : The technic
Page 199 and 200: The Bidder shall furnish with the o
Page 201 and 202: 19.14 Starters : In selection of st
Page 203 and 204: Pressure gauge (IS 3624): The deliv
Page 205 and 206: Bidder shall be provided with one p
Page 207 and 208: 19.23 Valves & Specials for Pump in
Page 209 and 210: 19.30 Equipment transfer trolley. O
Page 211 and 212: Each installation shall include the
Page 213 and 214: Fixtures shall be fully wired up to
Page 215 and 216: Exhaust Fan: For ensuring open vent
Page 217 and 218: Miscellaneous electrical safety dev
Page 219 and 220: For long run, junction/pull boxes s
Page 221 and 222: Foundation & Civil Works : Equipmen
Page 223 and 224: e) Exhaust fan: For ensuring open v
Page 227 and 228: It is the responsibility of Bidder
Page 229: In the design selection of pumping
Page 233 and 234: Chapter 21 Water Treatment Works. 2
Page 235 and 236: Sterilisation : For sterilisation o
Page 237 and 238: ii) Agitator drive comprising elect
Page 239 and 240: xx) Air blower of 500 cfm capacity
Page 241 and 242: The contractor shall assume full re
Page 243 and 244: Filters House and associated plant
Page 245 and 246: Control room & laboratory : The var
Page 247 and 248: Sl. No. Parameter 28. Selenium (mg/
Page 249 and 250: The chlorinators shall be arranged
Page 251 and 252: 21.12 Filtration Works. The works t
Page 253 and 254: 21.16 Filter media and charging. Th
Page 255 and 256: Slow Start : Following cleansing op
Page 257 and 258: The gears between the driver and dr
Page 261 and 262: Special foundations in poor soil :
Page 263 and 264: Protection of property : Trees, shr
Page 265 and 266: 22.6 Pipe laying. Laying of pipes u
Page 267 and 268: i) By Hacksaw : Hand or power opera
Page 269 and 270: ii) Transportation : Pipes should b
Page 271 and 272: iv) It is prudent to begin testing
Page 275 and 276: The contractor shall assume full re
Page 277 and 278: Though the wall thickness of the pi
Page 279 and 280: 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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