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

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CONTENTS Chapter : 1 General Technical Specification 1 Chapter : 2 Submittals 27 Chapter : 3 Site Preparation 29 Chapter : 4 Dismantling 31 Chapter : 5 Earth Work 33 Chapter : 6 Brick Work 43 Chapter : 7 Concrete Work 49 Chapter : 8 Form Work 67 Chapter : 9 Reinforcement 71 Chapter : 10 Plastering 77 Chapter : 11 Laying and Jointing of DI pipes 85 Chapter : 12 Appurtenance 93 Chapter : 13 Fixing of Valves 97 Chapter : 14 Miscellaneous 101 Chapter : 15 Electrical works and Pumping Machineries 103 Chapter : 16 Technical Specifications for Raw Water Intake, Pump House & Approach Bridge and Raw Water Intermediate RCC Sump and Pump House Chapter : 17 Technical Specifications for Clear Water RCC Sump and Pump House 163 Chapter : 18 Raw Water Rising Main 165 Chapter : 19 Technical specification for Electro-Mechanical Plants, 181 Equipments and Accessories for Raw Water Intake Pumping Station. Chapter : 20 Technical specification for Electro-Mechanical Plants, 223 Chapter : 21 Equipments and Accessories for Raw Water Intermediate Pumping Station. Water Treatment Works 231 Chapter : 22 Gravity Main and Feeder Main 257 Chapter : 23 Technical Specification for Electro-Mechanical Plants, Equipments and Accessories for Clear Water Pumping Station. 271 Chapter : 24 Technical specifications for laying of Clear Water Rising Main. 279 Chapter : 25 Technical specifications for Service Reservoirs. 281 Chapter : 26 Vendors List 285 Contents Page i 157
1.1 Materials. Chapter 1 General Technical Specification The term “Materials” shall mean all materials, goods and articles of every kind whether raw, processed or manufactured and equipment and plant of every kind to be supplied by the Contractor for incorporation in the works. All materials shall be new and of the kinds and qualities described in the contract and shall be at least equal to approved samples. Materials shall be transported, handled and stored in such a manner as to prevent deterioration, damage or contamination failing which such damaged materials will be rejected and shall not be used on any part of the works under this contract. 1.2 Samples and tests of materials. The Contractor shall submit samples of such materials as may be required by the Engineer and shall carry out the specified tests directed by the Engineer at the site, at the supplier’s premises or at a laboratory approved by the Engineer. Samples shall be submitted and tests shall be carried out sufficiently early to enable further samples to be submitted and tested if required by the Engineer. The Contractor shall give the Engineer minimum fifteen days notice in writing of the date on which any of the materials will be ready for testing or inspection at the supplier’s premises or at a laboratory approved by the Engineer. The Engineer or his nominee shall attend the test at the appointed place within fifteen days of the said date on which the materials are expected to be ready for testing or inspection according to the Contractor, failing which the test may proceed in his absence unless instructed by the Engineer to carry out such a test on a mutually agreed upon date in his presence. The Contractor shall in any case submit to the Engineer within seven days of every test such number of certified copies (not exceeding six) of the test readings as the Engineer may require. Approval by the Engineer for placing orders for materials or for samples or tests shall not prejudice any of the Engineer’s powers under the Contract particularly under the provisions of General Conditions of Contract. The provisions of this clause shall also apply to materials supplied under any nominated sub-contract. GTS : General Technical Specification. Page 1
Page 1: Government of Meghalaya Public Heal
Page 5 and 6: IS: 1786 - 1985 Specification for h
Page 7 and 8: IS: 1500 - 2005 Methods for brinell
Page 9 and 10: Cement bags brought to the site mus
Page 11 and 12: Laying : The cement, sand and stone
Page 13 and 14: 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 and 68:
Jointing: The face of a constructio
Page 69 and 70:
8.1 Material. Chapter 8 Form Work A
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
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 and 132:
All outlets such as switches, wall
Page 133 and 134:
Outdoor Luminaire: The luminaire sh
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
Page 183 and 184:
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 225 and 226:
Page 227 and 228:
It is the responsibility of Bidder
Page 229 and 230:
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:
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:
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 and 282:
Chapter 24 Technical Specification
Page 283 and 284:
Chapter 25 Technical specifications
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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