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

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Technical Specification for laying of DI Clear water rising main: Wherever it is applicable, clear water rising main shall be laid in accordance with the provisions laid down elsewhere in this document. DTS : Detailed Tender Specification. Page 280
Chapter 25 Technical specifications for Service Reservoirs. 25.1 Intent and Requirement. The intent of this tender is Survey, Design, <strong>Engineering</strong> and construction of 10 nos. RCC Service Reservoirs at different locations under the project influence area. The capacity of the different reservoirs is designed to meet the required storage for ultimate stage of the project. The location of construction, capacity and height of staging is indicated herein below : Sl. No. Location Capacity (ML) Height of staging (mtrs) 1. 6 th Mile 3.30 Ground 2. Lachumiere 0.14 6.00 3. Laitumkhrah 1.12 3.00 4. Pasteur Institute 0.09 6.00 5. Pynthorumkhrah 1.00 6.00 6. Mawlai 0.84 3.00 7. Laban 1.03 3.00 8. Bara Bazaar 1.17 3.00 9. Nongmynsong 1.23 3.00 10. Laitkor 1.72 Ground 25.2 Scope of work The scope of work covers, survey, soil bearing test, engineering and construction of 10 nos. elevated service reservoirs at different locations within the project influence area. Detailed soil investigation to determine the soil bearing capacity, detailed design and drawing of each service reservoirs are required to be submitted. The work can be started only after the approval of the design and drawing for each and every service reservoir by the Engineer-in-charge. 25.3 Layout. Elevated service reservoirs shall be circular having usual or unusual shape of either intze, conical, spherical or multi cell with shaft supporting structures. DTS : Detailed Tender Specification. Page 281
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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
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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
Page 231 and 232: Bearings : Has been detailed elsewh
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 259 and 260: Chapter 22 Technical specification
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 273 and 274: Chapter 23 Technical specification
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
Page 281: Chapter 24 Technical Specification
Page 285 and 286: Erection/laying/hoisting, fitting a
Page 287 and 288: A. Electro-Mechanical Chapter 26 Ve
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PACKAGE : I Bid Document VOLUME : II - Public Health Engineering

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