TENDER DOCUMENT FOR SUPPLY INSTALLATION & COMMISSIONING OF DAIRY EQUIPMENTS
Tender ID No. - Rajasthan Co-operative Dairy Federation Limited Tender ID No. - Rajasthan Co-operative Dairy Federation Limited
58 42.4 Sharp bending and kinking of cables shall be avoided. The bending radius for various types of cables shall not be less than those specified below unless specifically approved by the Site Engineer of RCDF. Type of Cable Minimum bending radius Voltage grade Single Multi Core Core Unarmoured Armoured Paper insulated upto 11 kv 25 D* 20 D 15 D Paper insulated upto 22 kv 32 D 25 D 20 D Paper insulated upto 33 kv 38 D 32 D 25 D PVC insulated 650/1100 V 10 D 10 D 10 D Rubber insulated 600 V - 8 D 15 D Mineral insulated 300 V - - 8 D * ( D – OVER ALL DIAMETER OF THE CABLE) If shorter radius appears necessary, no bend shall be made until clearance and instructions have been received from Engineer. 42.5 Where cables cross roads and water, oil, gas or sewage pipes, the cables shall be laid in reinforced upon concrete or steel pipes to be supplied and laid by the erector. For road crossing, the pipes for the cables shall be buried at not less than one meter depth. Cables laid below railway tracks should be at a depth not less than 180 mm. unless otherwise approved by the Engineer. 42.6 In each cables run some extra length shall be kept at a suitable point to enable one or two straight through joints to be made should be the cable develop fault at a later date. 42.7 Control cable terminations shall be made in accordance with wiring diagrams, using colour codes established by Engineer for the various control circuits, by code marked wiring diagrams furnished to the erector for this purpose or other approved means of identification. It is the intent that erector shall terminate the cables which he installs. Additional work of testing and reconnecting and connected, but where on further testing reversal or other rearrangement of load turns out to be necessary. Additional work of testing and reconnecting shall be performed by erector at no extra cost of RCDF. (Signed & sealed by the tenderer in token of acceptance of above) (RCDF) Jaipur
59 42.8 Special tools, clips and saddles, glands, seals, PVC sealing compound, locknut etc. required for the connection and termination of insulated cables shall be supplied by erector. During installation, connection and termination of insulated cables, care shall be exercised to ensure that aluminium sheet is not damaged. Groups of mineral insulated cables shall be bent neatly around the corners by using inner most cables as a form around, which to bend the next cable. Cables shall not be fastened or clamped close to the point of entry of the equipment which may vibrate severely. Special instructions furnished by the manufacturer shall be strictly followed. 42.9 After installation and alignment of motors, erector shall complete the conduit installation, including a section of flexible conduit between the motor terminal box and cable trench/tray. Erector shall install and connect the power, control and heater supply cables. Erector shall be responsible for correct phasing of the motor power connections and shall interchange connections at the motor terminals box if necessary, after each motor is test run. 42.10 Connections shall be made to small electrically operated device on equipment installed as accessories to or assembled with other equipment and requiring two wire or three wire connection. Connections to recording instruments, float switches, limit switches, pressure switches, thermocouples, thermostats and other miscellaneous equipment shall be done as per Manufacturer‟s drawing and instructions. 42.11 Metal sheets and armour of the cable shall be bonded to the earthing system. 42.12 All new cables shall be megger tested before jointing. After jointing is completed all LT. cables shall be megger tested and HT. Cables (3.3 KV to 11 KV) pressure tested before commissioning. The test voltage for pressure testing shall be as per Appendix-F of IS:1255. 1100/650 Volt grade cable shall be tested by 1000 Volt Megger. Cables cores shall be tested for : a) Continuity b) Absence of cross phasing c) Insulation resistance to earth d) Insulating resistance between conductors. Erector shall furnish all testing kit and instruments required for field testing. 43.0 Cable Trays, Accessories and Tray Supports : 43.1 Cable trays shall either be run in concrete trenches or run overhead supported from building steel, floor slab etc. (Signed & sealed by the tenderer in token of acceptance of above) (RCDF) Jaipur
- Page 7 and 8: 7 (f) Experience, resources, men an
- Page 9 and 10: 9 HIGHER CAPACITY PREFERABLY TO A D
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- Page 17 and 18: 17 adjusted. The execution of agree
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- Page 23 and 24: 23 c) Cancel the contract and purch
- Page 25 and 26: 25 a) Two sets of detailed fabricat
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- Page 29 and 30: 29 8.0 GUARANTEE : The supply of eq
- Page 31 and 32: 31 GENERAL TERMS AND CONDITIONS FOR
- Page 33 and 34: 33 required by all. It is to be und
- Page 35 and 36: 35 such changes shall diminish the
- Page 37 and 38: 37 10.6 Erector shall also keep a c
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- Page 41 and 42: 41 workmanship. In case of any disp
- Page 43 and 44: 43 19.4 All other work completed or
- Page 45 and 46: 45 21.5 When erector or his represe
- Page 47 and 48: 47 drawings by RCDF shall not relie
- Page 49 and 50: 49 inspection reports and megger re
- Page 51 and 52: 51 30.0 Progress of Work : If the e
- Page 53 and 54: 53 a) Suitable lockable space for s
- Page 55 and 56: 55 41.0 GENERAL GUIDELINES FOR ELEC
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- Page 62 and 63: 62 a) The scope of erection for pip
- Page 64 and 65: 64 48.2 Steam & Hot Water and molas
- Page 66 and 67: 66 1) The surface of the pipe to be
- Page 68 and 69: 68 TENDER ACCEPTANCE LETTER (To be
- Page 70 and 71: 70 SECTION-I ANNEXURE-II MANUFACTUR
- Page 72 and 73: 72 ANNEXURE-IV SECTION-II - SCHEDUL
- Page 74 and 75: 74 ANNEXURE-VI RATE QUOTATION FORM
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59<br />
42.8 Special tools, clips and saddles, glands, seals, PVC sealing compound, locknut<br />
etc. required for the connection and termination of insulated cables shall be<br />
supplied by erector. During installation, connection and termination of<br />
insulated cables, care shall be exercised to ensure that aluminium sheet is not<br />
damaged. Groups of mineral insulated cables shall be bent neatly around the<br />
corners by using inner most cables as a form around, which to bend the next<br />
cable. Cables shall not be fastened or clamped close to the point of entry of the<br />
equipment which may vibrate severely. Special instructions furnished by the<br />
manufacturer shall be strictly followed.<br />
42.9 After installation and alignment of motors, erector shall complete the conduit<br />
installation, including a section of flexible conduit between the motor terminal<br />
box and cable trench/tray. Erector shall install and connect the power, control<br />
and heater supply cables. Erector shall be responsible for correct phasing of the<br />
motor power connections and shall interchange connections at the motor<br />
terminals box if necessary, after each motor is test run.<br />
42.10 Connections shall be made to small electrically operated device on equipment<br />
installed as accessories to or assembled with other equipment and requiring<br />
two wire or three wire connection. Connections to recording instruments, float<br />
switches, limit switches, pressure switches, thermocouples, thermostats and<br />
other miscellaneous equipment shall be done as per Manufacturer‟s drawing<br />
and instructions.<br />
42.11 Metal sheets and armour of the cable shall be bonded to the earthing system.<br />
42.12 All new cables shall be megger tested before jointing. After jointing is<br />
completed all LT. cables shall be megger tested and HT. Cables (3.3 KV to 11<br />
KV) pressure tested before commissioning. The test voltage for pressure<br />
testing shall be as per Appendix-F of IS:1255. 1100/650 Volt grade cable shall<br />
be tested by 1000 Volt Megger.<br />
Cables cores shall be tested for :<br />
a) Continuity<br />
b) Absence of cross phasing<br />
c) Insulation resistance to earth<br />
d) Insulating resistance between conductors.<br />
Erector shall furnish all testing kit and instruments required for field testing.<br />
43.0 Cable Trays, Accessories and Tray Supports :<br />
43.1 Cable trays shall either be run in concrete trenches or run overhead supported<br />
from building steel, floor slab etc.<br />
(Signed & sealed by the tenderer<br />
in token of acceptance of above)<br />
(RCDF)<br />
Jaipur
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