41-nit
TRANSCRIPT
-
7/27/2019 41-NIT
1/94
Page 1 of94
TENDER DOCUMENTS
DAMODER VALLEY CORPORATION
KODERMA THERMAL POWER STATION
DIST: Koderma (Jharkhand)
Pin No.-825421
TENDER SPECIFICATIONS
FOR
OPERATIONAL SUPPORT, REPAIR & MAINTENANCE CONTRACT (MECHANICAL, ELECTRICAL AND
C&I) AND REMOVAL OF TECHNOLOGICAL WASTE AND UPKEEPMENT (HOUSEKEEPING) OF COAL
HANDLING PLANT, KTPS, DVC FOR ONE YEAR.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
2/94
Page 2 of94
INDEX
Annexure-I : Scope of Work
Annexure II : Qualifying Requirement
Annexure-III : Technical Terms and Conditions
Annexure-IV: Commercial Terms and Conditions
Annexure-V: Additional Terms and Conditions
Annexure-VI: General Instructions to Bidders
Annexure-VII: Safety Clause
Annexure A : No relation & No accommodation certificate
Annexure B : Format for BG in lieu ofEMD
Annexure C: Format for Bank Guarantee for security deposit for
100% payment.
Annexure D: DVCs Agreement Format.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
3/94
Page 3 of94
NOTICE INVITING TENDER
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
4/94
Page 4 of94
DAMODAR VALLEY CORPORATIONKODERMA THERMAL POWER STATION
DIST: Koderma (Jharkhand)
Pin 825421Tel No: 06534-292156
NIT No. KT/SE(C&M)/13/22/150 Dt. 27/05/2013
OPEN TENDER NOTICE
THROUGH ETENDERING PROCESS ONLY
On line quotation in Two part are invited from Experienced Bidders (qualifying criteria for bidders are given
later) only by the Superintending Engineer(C & M), Damodar Valley Corporation, Koderma Thermal Power
Station, KOderma, Pin:- 825421 through e-tendering process for the under mentioned work
WORK OF OPERATIONAL SUPPORT ,REPAIR & MAINTENANCE,REMOVAL OF TECHNOLOGICAL WASTE AND
UP-KEEPMENT(HOUSEKEEPING) OF CHP,DVC,KTPS FOR ONE(01)YEAR .
For viewing detailed NIT, downloading tender documents and participating in electronic tenders, please visit
our website: www.tenderwizard.com/DVC
For viewing only detailed NIT and Qualifying Requirement, Bidders may also visit the website:www.dvcindia.org
OTHER RELEVANT INFORMATIONS:
Works Name WORK OF OPERATIONAL SUPPORT ,REPAIR & MAINTENANCE,
REMOVAL OF TECHNOLOGICAL WASTE AND
UP-KEEPMENT(HOUSEKEEPING) OF CHP,DVC,KTPS FOR ONE
(01)YEAR.
Contract Period For a period of 01(One)year with a provision of extension of one
year.
Estimated Value (in Rs.) Rs. 3,25,79,277/- (Rupees Three Crore Twenty Five Lakh SeventyNine Thousand Two Hundred and Seventy Seven) only for one
year
EMD in (Rs.) Rs. 6,51,586/- (Rupees Six Lakh Fifty One Thousand Five Hundred
and Eighty Six) only.
Cost of Tender Documents (in Rs.)
(Non-refundable)
Rs.3000/- (Rupees Three Thousand) only.
Date and time for online request for
tender document
From 5.00PM of 10/06/2013 to 3.00PM of 10/07/2013
Last date & time for Bid submission
( uploading)
Up to 16/07/2013 (UPTO 10:00 AM)
Date & time for Bid Opening At 16/07/2013 (after 10.30 Hrs )
Pre-Bid Conference 12/07/2013 (after 10.00AM)
Bidders are requested to register themselves for participating in Electronic Tenders.
For any query/clarification regarding NIT, following official may be contacted:
a. Shree R.K. Anubhawi, SE (C & M), Technical Section, KTPS, DVC, Koderma.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
5/94
Page 5 of94
b. Shree Chandan Kumar, AE(C&I),Technical Section KTPS,DVC
The following points may please be noted:
01. Submission/uploading of Tender:
Tenders will only be received in the website www.tenderwizard.com/DVC up to the due date & time for
submission (uploading) of tender. No hard copy of offer (except EMD and cost of tender document) will beentertained. The prospective vendors should download the tender documents from website
www.tenderwizard.com/DVC directly. Bidder shall have to submit the bid online in the website
www.tenderwizard.com/DVC before the due date and time of bid submission (uploading). All the scanned
copy of supporting documents as mentioned in NIT(I,e.Techno- Commercial offer ,Qualifying Requirements
and duly filled Techno-commercial deviation schedule ) are to be uploaded with the bid positively. Price bid
schedule and Techno commercial schedule provided in separate excel sheet should be filled (as per
instruction) and upload the same.
02. Cost of tender documents:
The cost of tender documents (non-refundable) and its details shall have to be indicated while filling-up the
tender documents form available in the websitewww.tenderwizard.com/DVC. The Bidder shall also have to
submit the cost of tender documents in hard Copy (The bidder shall scan the Demand Draft/Pay Order
and upload the same in the prescribed form in the .jpeg format in addition to sending the original Demand
Draft/Pay Order before the date and time of openings of the bids ) of requisite amount as mentioned above
in the form of DD / Bankers cheque in favour of Sr. Addl. Chief Accounts Officer, KTPS, DVC payable at SBI /
Bank of India, KTPP Branch, Banjhedih, Koderma, DVC in an envelope superscribing COST OF BID
DOCUMENTS to the office of SE(C & M), KTPS, DVC, Koderma.
03. Earnest Money Deposit:
Earnest Money for amount as mentioned above must be deposited at office of SE (C & M), KTPS, DVC,
KODERMA in HARD COPY before the due date and time of bid opening in any of the following
instruments (The bidder shall scan the EMD and upload the same in the prescribed form in the
.jpeg format in addition to sending the original before the date and time of openings of the bids):-
EMD can be submitted in the following form:
a) Pay Order or demand draft drawn in favour of Sr. Addl. Chief Accounts Officer, KTPS, DVC
payable at SBI/Bank of India, KTPP Branch, Banjhedih, Koderma.b) Bank Guarantee (B.G) from a Nationalized Bank/ Scheduled Bank /Foreign Bank, irrevocableand operative till the validity of the offer as per standard Performa .
c) Post Office National Saving Certificate having face value equal to the EMD value and dulyendorsed in favour of DVC.
d) Fixed Deposit Receipt issued by Nationalized Bank endorsed in favour of DVC.e) DVC Bonds duly endorsed in favour of DVC.
The offer accompanied by B.G against EMD will only be considered valid on acceptance of the Bank
Guarantee. The offer not accompanied by EMD or specified EMD in proper form as defined above shall
not be considered as valid tender for opening. COST OF TENDER DOCUMENTS, and BID
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
6/94
Page 6 of94
SECURITY/EMD or NSIC CERTIFICATE (as applicable) should be sealed in an outer envelope super
scribing on it, the NIT No. and due date of opening should reach SE(C&M), KTPS,DVC office before due
date of bid opening.
DVC authorities will not take any responsibility to accept any documents which are received in this office
late due to postal delay or any other reason.
Note:
Earnest Money will only be refunded to the unsuccessful Tenderer (s) after finalization of Tender and nointerest will be paid thereon.
The amount of Earnest Money will be refunded to the successful tenderer, after acceptance of Security
Deposit- cum- Performance Bank Guarantee.
Small Scale Industries registered with NSIC shall be exempted from the payment of Tender Document fee
and the payment of Earnest Money. SSI Units seeking such exemption must upload scanned copies of valid
Registration certificate from appropriate Govt. authority giving details such as Validity, Stores etc. in the
website www.tenderwizard.com/DVC and also submit the hard copy of the uploaded documents in a
separate envelope super scribing NSIC CERTIFICATE to the office of SE (C&M), KTPS, DVC before the date
and time set for bid submission (uploading).
Money Order, Postal Order, Cheque or any other form of payment other than what is mentioned above,
shall not be accepted. Damodar Valley Corporation will not accept any liability for delay in receipt ornon-delivery of the same dispatched by post or through Courier.
04. All tenderers would be bound by the terms and conditions as detailed in tender specifications by the
DVC and GCC available in http://www.dvc.gov.in/GCC-2009.pdf
05. Scanned copies of the past performance/credential (Qualifying Requirement) must be uploaded in the
website along with tender. The Eligibility criteria for selection of bidders (Qualifying Requirement) have
detail been given in the NIT.
06. DVC reserves the right not to accept the lowest rate quoted by tenderer and reject any or all the tenders
without assigning any reason thereof if considered necessary.
07. On the due date of tender opening, first documents related to Cost of Tender and Earnest Money
(uploaded copy as well as hard copy) will be checked. Only after receipt of cost of tender and receipt
of requisite earnest money in proper form, the Techno-commercial Bid will be opened. The Price-Bid
of techno-commercially qualified bidders shall be opened online at a date which shall be notified later
online at www.tenderwizard.com/DVC. Bidders can view the Price bid opening date by logging in to
the website.
Note - Without hard copy of Tender document cost and EMD in proper form as defined above and
NSIC certificate (as applicable) no tender will be opened.
08. Downloading of the tender papers/documents shall not automatically imply qualification of the firm for
bidding , which shall be determined during bid evaluation.
09. All legal suits arising out of the enquiry and subsequent Letter of Intent/Work Order, if any, are subject to
jurisdiction in the Court of City of Kolkata in India and no other Court elsewhere.
10. Any addendum/corrigendum/extension, if required, pertaining to the NIT will be hoisted in DVC
website www.dvcindia.org and www.tenderwizard.com/DVC only and will not be published in
Newspaper again. Bidders are requested to visit DVC website regularly for anyaddendum/corrigendum/extension till opening of the said NIT.
Superintending Engineer (C & M)
KTPS, DVC, Koderma
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.tenderwizard.com/DVChttp://www.dvc.gov.in/GCC-2009.pdfhttp://www.dvc.gov.in/GCC-2009.pdfhttp://www.dvcindia.org/http://www.dvcindia.org/http://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.tenderwizard.com/DVChttp://www.dvcindia.org/http://www.dvc.gov.in/GCC-2009.pdfhttp://www.tenderwizard.com/DVChttp://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
7/94
Page 7 of94
Copy to
1. The Director (Tech), DVC, DVC Towers, Kolkata-54
2. The Director (Proj), DVC, DVC Towers, Kolkata-54.
3. The Sr. Chief Engineer (Gen.), Maithon, DVC.
4. The Chief Engineer & Project Head, KTPS, DVC.
5. The Chief Engineer(O&M),KTPS,DVC.
6. The Chief Engineer (CSO), Maithon, DVC.
7. The Chief Materials Manager, DVC, DVC Towers, Kolkata-54
8. The Dy. Chief Engineer (M), KTPS, DVC(Shree S.K Ain).
9. The SE (M), KTPS, DVC.(Shree D. Sen)
10. The Superintending Engineer (Tech), BTPS-A, DVC.
11. The Superintending Engineer (Tech), BTPS-B, DVC.
12. The Superintending Engineer (Tech), CTPS U#1,2,3 , DVC.
13. The Superintending Engineer (Tech), CTPS U#7&8, DVC.
14. The Superintending Engineer (Tech), DTPS, DVC.
15. The Superintending Engineer (Tech), MTPS, DVC.
16. The Superintending Engineer (Tech), DSTPS, DVC.17. The Superintending Engineer (Tech), RTPS, DVC.
18. The Sr.Manager(Finance), KTPS, DVC.
19. The Chief Public Relations Officer, DVC, DVC Towers, Kolkata-54.
20. The Public information centre,(Manager SIP) KTPS,DVC,
21. The Resident Audit Officer, CTPS, DVC.
22. The Notice Board , KTPS, DVC.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
8/94
Page 8 of94
ANNEXURE ISCOPE OF WORK
DETAILED SCOPE OF WORKS AND SERVICES -
1.000 PART - A(A) Scope of Work for Operational Support, Annual Repair/Maintenance contract (Mechanical, Electrical
and C&I) and Removal of Technological waste and Upkeepment ( Housekeeping) of Coal Handling Plant,
KTPS, DVC, Koderma (JH) for one (01) year.
1.100. Mandatory jobs:
I) Mechanical Maintenance.
II) Electrical Maintenance including C&I System.
III) (a) Operation of Stacker-cum-Reclaimer(02 nos.), 4 nos. Paddle feeders, Wagon Tippler and side
Arm Charger of CHP of Units 1 & 2, operations & their allied system, operation of Conveyor Belts
and other associated equipments.
(b) Operation of Mobile Tripper Car of Bunker at both sides for U# 1 & 2 and also their allied
system, operation like Conveyor Belts etc, poking, breaking of lump size coal at track hopper etc.
IV) Maintenance of 2 Nos. stacker-cum-reclaimer along with its auxiliary system and associated
Rail Tracks as well as other associated system.
V) Operational support to run CHP system of Unit# 1&2.
1.200 Scope Of Operation (Mechanical):
1.201 The operation support means round the clock supervision / checking including Sundays and Holidays
during running of Stacker-cumReclaimer, Paddle Feeders operation, Running of Wagon Tippler,
running of conv. belts, Running of equipments in Crusher House, other TPs like TP-1, 2, 3, 4, 5, 6, 7, 8,
9, 10, 11 & 12, Compressor and Pump House, Travelling Tripper cars (Tripper Floors) operation
including its conveyer belts and other allied equipment.
1.202 For running of equipments, the firm will have to engage manpower round the clock including Sunday &
holidays as per instruction of Engineer-in-charge (CHP). The Firm will have to ensure that sufficient
manpower is engaged in each shift to run the equipments without any interruption. The personnel
engaged for operation must have operational experience of running such plants. During operation of
equipments, strict supervision should be made to avoid any major break down or untoward incident.
1.300 Scope of Maintenance(Mechanical):
1.301 The Maintenance contract would mainly comprise of Running /Routine Maintenance, Preventive
Maintenance and Break-down Maintenance of CHP including Overhauling and minor modification of
equipments as well as Maintenance of 02 Nos Stacker-cum Reclaimer along with its auxiliary system.
1.302 The firm must provide all necessary infrastructures for executing the details scope of work ofmaintenance of CHP so that the system will always be available for feeding coal to bunkers so as to
maintain unrestricted generation.
1.303 It is incumbent upon the firm to maintain close coordination with DVC s plant engineers for
maintenance activities of the equipments and system etc. as detailed in the subsequent paragraphs
and in the Annexure .
1.034 The firm is required to follow maintenance Program as per schedule framed by DVC or jointly.
1.305 The firm has to ensure the availability of stand-by equipment in good condition.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
9/94
Page 9 of94
1.306 The Firm will have to ensure that sufficient manpower (highly skilled / skilled / semi-skilled / unskilled)
is engaged round the clock including Sundays and Holidays for repair, preventative and breakdown
maintenance so that the CHP equipments can run effectively and smoothly. The firm has to provide
adequate technical back-up including periodical visit to the station by the Sr. Engineers of the firm for
ensuring smooth maintenance of the plant for perfect working of these systems. Sr. Engineers must
visit site before start of the work and frequency of subsequent visits to be decided mutually as per
requirement at site.1.307 The Firm has to maintain proper Register/ Record/ Log Book of the work/ service covered under the
contract.
1.308 A list of spares required for execution of contract is to be submitted to Engineer- in Charge time to time
before exhaust to take necessary procurement action by DVC.
1.309 The future requirement of general spares including insurance spares are to be assessed jointly by DVC
& the Firm so that effective utilization of the same is ensured.
1.400Running / Routine Maintenance(Mechanical):
1.401 Running / Routine Maintenance of all equipment connected with the station coal handling system
namely Track hoppers, Paddle feeder, Crusher House Equipments , wagon Tippler, Travelling Tripper
cars, Compressors, belt conveyor system, discharge and transfer hoppers and chutes, flap gates, Rack
and Pinion gates, Rod gates, Metal detectors, Inline Magnetic Separator, Suspended Magnet, belt
scale, track hopper& wagon tippler gratings , Reclaim hoppers and coal Bunker gratings, work related
to pent house , conveyor gallery, tunnel and walk ways, Air conditioning system, dust extraction, dust
suppression and ventilation system, Stacker-cum- Reclaimer No. 1&2, dewatering / sump pumps,
different type of pumps in the pump house and conveyor belts in CHP area.
1.402 To check, replace, refill oil, lubricants etc. greasing of bearings etc. of all the equipment of the coal
handling system including gear boxes, hydro coupling, gear couplings, hydraulic power packs etc. as
and when required as per direction of the concerned engineer. The application of grease as required
will be done by hand or grease gun.
1.403 Adjustment of conveyor belts for their proper and smooth running as per direction of concerned
engineer, if necessary; belt fastener are to be provided temporarily in conveyor belts as and when
required for feeding coal into the bunkers. Belt fasteners will be supplied by DVC free of cost.1.404 Opening and checking the condition of all crusher materials i.e. Ring Hammers, Centre disc, End disc,
suspension bars, shaft sleeves, Disc spacers, screw jack, crusher body along with bearing housing etc.
has to be done on regular interval. Necessary repair / replacement of deformed above items of plate/
replacement of broken/ worn out ring hammer as & when required along with replacement of
complete set of ring hammer greasing of crushers bearing on regular basis , adjustment of its sleeves,
nuts lock washers etc. as per direction of DVC Engineer-in- charge for smooth running of crusher
system.
1.405 Removal of all the technological wastes, cleaning of belt feeder drive and all the associated system of
dust / grease and checking of belt feeder drive in running condition prior to taking shut down of the
system for any trouble.
1.406 Opening and checking of roller screens, as required for smooth running of the roller screens.1.407 Regular monitoring of performance of air compressors, attending leakage from gaskets etc.
1.408 Replacement of all types of individual idler such as impact, troughing, return, self-aligning troughing
and return idlers etc., if required along with associated frames bolts, nuts etc. Repair of twisted idlers
frame and bracket if possible to reuse / welding of self-aligning idlers block, replacement of bearings
guide roller replacement and greasing etc. as per direction of DVC Engineer-in-charge.
1.409 Repair/ replacement time to time of belt scrapper, skirt board, rubbers, damaged rubbers of back side
of skirt board to prevent spillage of coal regular checking and repair/ replacement whenever essential
of deflector plate, liner plates & other components to be done immediately.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
10/94
Page 10 of94
1.410 Repair of damaged gratings at tripper floor, track hopper and wagon tippler along with replacement of
the same if necessary; fabricated gratings for replacement will be supplied by DVC free of cost, but
collection of the same from stores or site at KTPS and transportation to the work site will be under the
firms scope.
1.411 To ensure proper flow of coal through gratings of coal bunkers, Track hoppers and Wagon tippler and
removal of arching in any one bunkers as well as other hoppers for proper flow of coal to maintainsustained and reliable generation.
1.500 PRVENTIVE MAINTENANCE(Mechanical):
1.501 Conveyor Belt :
a) Single joining of belts by cold/ hot vulcanizing along with all associated job & patch repair to be
done as per requirement and direction of Engineer-in-Charge.
b) Double joining by additional length of healthy belt is within the scope of work. If required and to be
done after removing the damaged portion of that belt along with doing all associated jobs. No extra
payment will be done.
c) Patch repair of any portion of conveyor belt by cold vulcanizing/ belt fasteners to be done as per
instruction of DVC engineer-in-charge.
d) Restoration of snapped conveyor belt will have to be done by the firm as and when required after
fulfilling all associated jobs in a shortest time possible.
e) Replacement/ repair of all types of conveyor belts (up to 40 meters) at all areas are under the
scope of the Firm.
f) The Firm will have to arrange vulcanizing machine, kit and solution etc. during belt jointing.
1.502 Pulleys:
a) Pulleys are to be re-lagged, if the lagging are found worn out/ damaged by removing the adhesive,
sticking materials from the bare pulley shell.
b) Lagging materials (12mm thick) is to be supplied by the firm at their own cost as per specification &
make. Pulley lagging work has to be carried out in situ.
c) Bearing of different pulleys are to be inspected & adjusted / re-greased as required if required
bearings are to be replaced before they fail. The supply of bearing for the replacement etc will be
taken care by DVC.d) If the firm engages any external agencies for specialized jobs time to time like vulcanizing of
conveyor belts, lagging of pulleys etc. prior approval from DVC s competent authority has to be
obtained. No extra payment will be done.
1.503 Idlers:
a) Free rotation of roller without noise of different idlers such as troughing idler, return idler, self-
aligning troughing and return idlers, self cleaning return idlers, guide roller, impact idlers etc. have
to be ensured and corrective measure will be taken at the earliest. Damaged roller will be replaced
immediately. Rubber rings of impact idlers and self cleaning return idlers will be replaced if the
same is found in worn out/ damaged condition.
b) Spillage of coal due to belt sway or snap surrounding the idler frame shall be removed as and when
required for maintenance of the system. Side-guide-rollers have to be checked for free rotation andwear in case of self-aligning idlers.
c) Free movement of rollers on central pivot of self-aligning carrying and return idlers has to be
ensured.
d) If bearing lubrication is required, it has to be done in correct time and grade of lubricant as per
lubrication chart and manufacturers recommendation as per direction of Engineer-in-charge.
Bearing has to be replaced before they fail. Bearing surrounding to be always kept free of dust.
e) Rubber strips have to be checked visually at regular interval and worn-out strip has to be replaced
and to ensure proper movement of counter weight & arm.
1.504 Skirt Plate:
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
11/94
Page 11 of94
a) The skirt sealing rubber strip to be inspected for its gap with the belts.
b) Worn-out rubber strip to be replaced.
c) At regular interval the skirt supporting bolts should be tightened as and when required and
adjustment of skirt through slot hole in the rubber to be done.
d) The sealing rubber at the back of skirt plate should be inspected and worn-out back guard to be
replaced as and when required.
1.505 Discharge Coal Chute:
a) Inspection of all clutches shall be done regularly after removal of coal dust etc. Worn-out/
eroded mother plates of chutes should be replaced or temporary patch repaired as per
instruction of Engineer-in-charge as and when required.
b) Accumulation of material on chute will be removed at regular interval.
c) Deflector plates to be checked in regular interval & eroded plates to be replaced as and when
required.
1.506 Flap Gate:
a) The gap between the flap gate and chute plates will be checked for its uniformity.
b) Proper positioning and operation of travel limit switches will be checked and rectified if found
faulty.
c) Electrical actuator, flap gate shaft bearing and electric actuator support brackets will be greased as
lubrication chart & proper operation to be ensured
d) Necessary repair/ replacement of its any part have to be done if required.
1.507 Rack & Pinion Gate and Rod Gate:
a) All components of rack & pinion gate and rod gate to be checked for its proper alignment and
trouble free operation, including greasing and replacement of bearing. Repair/ replacement work of
its any part, if found necessary, have to be done immediately.
b) Slide plate support rollers should be checked for its free rotation & if required, replacement to
be done.
1.508 Travelling Tripper Chute:
Chutes and liners should be checked at regular interval and worn-out/ damaged liners & mother plate
of the chute if necessary should be replaced. New liners, if required to be replaced with drilledcountersunk hole to be fabricated & drilled by the Firm, raw steel materials will be supplied by DVC
free of cost.
1.509 Travelling Tripper Cars:
a) The functioning of tripper cars should be checked regularly for its smooth running on the rails and
regular maintenance will have to be carried out to ensure proper functioning of its brake, drive unit,
cable trolley, bearing etc. regular greasing, lubrication of the accessories should be done as per the
manufacturers recommendation or as per direction of Engineer-in-charge.
b) Checking /replacement of gear box lube Oil, coupling bolts, bushes, solenoid assembly, brake shoe
etc. are to be done as per the manufacturers recommendation or as per direction of Engineer-in-
charge.
c) Any spares if required for the tripper cars for its repair/ replacement are to be done.1.510 Various Gear Units:
The quantity of oil in the gear unit should be inspected periodically and maintained strictly as per
the given normal oil level mark.
a) Checking of alignment to be done as per the manufacturers recommendation or instruction of
Engineer-in-charge.
b) Oil seals should be checked during the period of maintenance and in case of any oil leakage found
from that gear box, it will have to be rectified/ replaced immediately.
c) The hold back system, input shaft, output shaft, bearing, pinion etc. should have to be checked for
its proper functioning and any replacement if found necessary, has to be done.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
12/94
-
7/27/2019 41-NIT
13/94
-
7/27/2019 41-NIT
14/94
Page 14 of94
c) Checking / replacement of oil/ grease etc. of various drives as per recommendation of the
manufacturers or instruction ofEngineer-in-charge.
1.523 Wagon Tippler:
a) Removal of technology wastes from the paddle feeder cars and its auxiliary system to be done as
per direction of Engineer-in-charge.
b) Checking / replacement of oil/ grease etc. of various drives as per recommendation of the
manufacturers or instruction of Engineer-in-charge
c) Regular monitoring of various bearings of tippler drive, tippler clamp, arm hoist drive etc. and their
replacement before they fail.
1.524 Compressors:
a) Replacement of bearing, seal, bushes, motors etc. are to be done immediately as per direction of
Engineer-in charge.
b) Greasing of bearings as per requirement.
1.525Belt Weigher (Total 06 nos.):
Maintenance to be done as per DVC Engineer in Charge.
1.526 ThrustorBrake :
It is advisable to check periodically that the oil is full in the thrustor tank, as evaporation may take place
with a hard worked thrustor, if oil is not changed regularly sludge, water and acid may form due to
oxidation.
1.527 Elevators (Total 02 Nos.):
Regular checking of Elevators along with all components to be carried out Removal of Arehing of Coal
from bunkers of unit#1&2 along with loading/unloading of the same to stockpile of CHP,KTPS, DVC.
Poking may be done by entering the bunkers from the top with the Adequate Safety measure.
1.600. Removal of old and used unserviceable spares (ROM).
i. Replaced old and used unserviceable spares & scraps at C.H.P. area to be shifted from CHP area to
the store, KTPS with their own arrangement at no extra cost to DVC. Used old unserviceable
spares/ scraps shall be collected immediately from site and shall be kept at specified places for
further ROM. Old serviceable spares shall be collected from site immediately and shall be kept at
specified places for repair/maintenance of the same. All will be under scope of contractor. After
replacement of belts, old belts shall be brought to specified place on the same day.ii. New spares should be kept orderly at specified areas. No new spares should be noticed here and
there. Unused spares will be collected after completion of work and they will be kept at proper
place.
1.700. Various other activities:
a) Mobile Tripper Car Operation: Coal is to be fed in all the bunkers of running units as per direction of
In charge of PLC/Shift-in-charge & also have to take care of its allied system operation like Conveyor
Belts, Gear boxes, Mobile tripper Cars etc.
Necessary infrastructure/manning is to be provided in Paddle feeder, S&Rs, Mobile Tripper Cars
operation for running the system. However, it will depend on DVCs discretion to instruct the contractor
to engage the infrastructure in other areas of maintenance (Mech.) and it will be binding for contractor
to follow accordingly.b) Paddle feeder operation:
Coals are to be fed in the Conveyor belt 1A/B as per direction of In-charge of PLC/shift-in-charge by
controlling the speed of paddle feeder blades. To meet the Power House requirement, two (2) paddle
feeders on both the conveyor system 1A/B may be required to put into normal operation
simultaneously as per direction of In-Charge of PLC/Shift-In- Charge.
1.800 Operation & maintenance of Stacker cum Reclaimer (reversible type):
a. Operation of 02 Nos. Travelling Stacker-cum-Reclaimer in by pass mode, stacking mode, reclaiming
mode, long travel of S&R and slew operation of Boom Conveyor as per requirement to be done.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
15/94
-
7/27/2019 41-NIT
16/94
-
7/27/2019 41-NIT
17/94
-
7/27/2019 41-NIT
18/94
Page 18 of94
areas, outside Track hoppers, discharge chute and MCC-1A & 1B.
ii)Zone-2:All area around Crusher house, its all floors , conv.2A/2B, TP-1
iii)Zone-3:All area around conv.10A/B, conv no. 11A/B, TP- 8 &TP-9,structure of Stacker cum Re-claimer 1&2,
MCC-1C and PLC Control room.
iv)Zone-4:All area around conv .belt no.12A/B from tail end to drive end, sump pump area including its pit and
drains, flap gate floor and bottom areas of TP-10 &11.
v)Zone-5: All floors of TP-2, TP-3 and MCC-1D ,all areas from tail end to drive end of conv.3A/B and conv.4A/B and all spillage coal from the said conv. Belts to the ground have to be cleaned. Cleaning of
Administrative building of CHP to be taken care of.
vi)Zone-6: All floorsofTP-4, TP-5, TP-6, TP-7 and tail end of conv. Belt no. 5A/B, 6 A/B & 7A/B & 8 A/B to
drive end, total bunker floor area including all tripper cars of unit # 1 & 2.
4.102. All technological waste i.e. coal dust, stone / boulders etc. generated in the above said zones are to
be removed on daily basis. All structural members of the above zones also have to be kept clean.
4.103 Urgent removal of coal from conveyor belts / system has to be done to facilitate maintenance work on
immediate basis, if occasion arises. The coal/waste thus accumulated by the side of the conveyor belt
system has to be cleaned either putting the same in to the system or by other means to a distant location as
per direction of the Engineer in charge of D.V.C.
4.104Boulders/stones/extraneous material accumulated on the ground under conveyor belts etc. are to
be removed on daily basis and stored in the place decided by Engineer-in-charge of DVC
for easy and smooth movement. Also the stone accumulated at the bunker floor of unit # 1 & 2
have to be removed on daily basis. Disposal & removal of such accumulated boulders/foreign
materials to be done to a distant place after weighment at the DVC weighbridge to a suitable place
(within a distance of 5-6 KM approximately)as per direction of DVC Engineer-in-charge.
4.105 The coal dust / technological waste, generated due to removal of chute jamming of conveyor belts,
Stacker-cum-Reclaimer, mobile Tripper car & crushers, etc. has to be removed immediately as and
when required for smooth and safe operation of the system.
4.106Materials/boulders/technological waste etc. accumulated inside the tripper chute should have to
be removed as and when required on priority basis for smooth maintenance and running of the
system.
4.107 Removal of technological waste from sump pits located in Track hopper, wagon tippler TP-10,11,12,drains connected to the pit set care to bed one for proper maintenance of all the Sump pumps for
smooth operation.
4.108 In case of emergent situation, the requirement of additional work has to be done by Firm(without any
extra cost to DVC)to restore normalcy of the system.
4.109 In the event of partial or full chocking of gratings in the bunker floor of running units, the
accumulated coal are to be removed immediately for smooth operation of tripper car for coal flow
to bunkers.
4.110 Deposit of coal/coal dust on the structural members, equipments are to be regularly removed.Structures, equipments should remain clean on day to day basis.
4.111 The Firm will have to engage sufficient numbers of tractors/trolley/Dumper/Truck for disposal of
the coal/ coal dust generated in CHP areas on daily basis to the designated place. The loading and
unloading of coal/coal dust will be done by the Firm. All tractors/trolley/Dumper/Truck deployed
by the Firm will first report to the designated Weighbridge of KTPS for recording tare weighment of
the vehicle at least once in a day. All tractors/trucks loaded with coal/coal dust will report to the
designated Weighbridge of KTPS for record of Gross weighment of the vehicle for each trip while
coal, coal dust are to be dumped back to the coal yard, stones and other non-coal matters like
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
19/94
Page 19 of94
shales, boulders are to be dumped to suitable site as identified by SE(M)or his representative. The
Firm should not load coal/coal dust with boulder in the same tractors/trucks. Firm should deploy
separate tractors/trucks for coal and non-coalmatters.Net weight will be calculated by deducting
the recorded tare weight from the gross weight for each trip. The bidders are requested to quote
their price for loading, unloading and carrying per MT of coal/coal dust. The vehicle has to cover
approximately 05-06 kilometers in each to & fro trip. In actual the distance covered will be around
05-06 kilometers. Payment shall be made on the net quantity disposed per month.
A. LIST OF MAJOR EQUIPMENT/ SYSTEM OF COAL HANDLING PLANT OF KTPS UNDER THE FIRMS SCOPE
OF WORK.Track Hopper:
(A) RCC Track Hopper (Length - 250M with 2x15 two nos. maintenance hatch, width 11.55M), Capacity
5500MT
(B) Steel grating over hopper 350 MM X 350 MM Mesh
(C) Track Hopper Beams all sides (except bottom) and inclined portion of inner surface all through
lined with replaceable SAILHARD/ TISCRAL Plates.
(D)Concrete table top all through lined with 16 MM SAILHARD/TISCRAL Plates (removable).(E) Paddle Feeders 4 Nos. (each of Capacity 900 TPH Rated)
Wagon Tippler:
(A) Wagon Tippler Capacity: 24 Tips/Hr. (Design) & 20 Tips/Hr. (Rated), Platform length 17.35 M,
Maximum angle of rotation - 1550
(B) Side Arm Charger Hauling Capacity: 37.5 MT
(C) Apron Feeder- Capacity: 1300 TPH (Rated)
(D) inclined portion of inner surface all through lined with replaceable SAILHARD/ TISCRAL Plates
(E) Steel grating over hopper 350 MM X 350 MM Mesh
(F) Dribble Conveyor
Conveyor 1A & 1B: Size 1400mm inclined belts approximate length-1325M each. Suspended Magnet 2
nos, Metal Detector
2 nos, Belt Weigher -2 nos, ILMS-2 nos. complete with belting, idlers, pulleys,speed reducer, drives and motors, scoop couplings, tension devices, cleaning devices, pulleys and
coupling, gear box hold backs, transfer chutes and accessories for carrying coal of 250 mm and down lump
size from Track Hopper to Crusher House.
Crusher House:
Drive of conveyor 1A & 1B, Rod Gates- 4 nos, Rack and Pinion Gates- 4 nos,Crusher-4nos Capacity: 900 TPH,
Roller screen-4nos Capacity: 900 TPH, Belt feeder4nos, Dust extraction system, 2 nos Flap Gates for
discharging coal to conveyor 2A & 2B, Coal Sampling Unit, Electric Hoist.
Conveyor 9A & 9B: Size 1400mm inclined belts approximate length-160M each complete with belting,
idlers, pulleys, speed reducer, drives and motors, fluid couplings, tension devices, cleaning devices,
pulleys and coupling, hold backs, transfer chutes and accessories for carrying coal of 250 mm and downlump size from wagon tippler complex to TP-12.
Transfer Point-12: Drive of conveyor 9A & 9B, discharging coal to conveyor 1A & 1B respectively, Electric
Hoist, Dust Suppression System.
Conveyor 2A & 2B: Size 1400 mm inclined belts approximate length-284M with all usual accessories to
carry crushed coal of 20 mm and down up to transfer points discharging to conveyor belt no: 3A and 3B.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
20/94
-
7/27/2019 41-NIT
21/94
Page 21 of94
Transfer Point-4: NoDrive, Flap gate 2 nos for discharging coal to conveyor 5A/5B and 7A. Dust
Suppression System, Electric Hoist.
Tripper Floor (RHS) of U#1: Drive of conveyor 7A, Travelling Tripper with Flap gate 2 nos for discharging
coal to conveyor Tripper Floor (RHS) of U#1. Dust Extraction System, Electric Hoist.
Transfer Point-5: Drive of conveyor 5A/5B, Flap gate 4 nos for discharging coal to conveyor 6A/6B and 7B.
Dust Suppression System, Electric Hoist.
Tripper Floor (LHS) of U#1: Drive of conveyor 7B, Travelling Tripper with Flap gate 2 nos for discharging
coal to conveyor Tripper Floor (LHS) of U#1. Dust Extraction System, Electric Hoist.
Conveyor 7A & 7B: Size 1400 mm inclined belts approximate length-171M with all usual accessories to carry
crushed coal of 20 mm and down up to transfer points discharging to coal bunkers.
Conveyor 6A & 6B: Size 1400 mm inclined belts approximate length-282M with all usual accessories to carry
crushed coal of 20 mm and down up to transfer points discharging to conveyor belt no: 8A/8B.
Transfer Point-6: No Drive, Flap gate
2 nos for discharging coal to conveyor 6A/6B and 8A. DustSuppression System, Electric Hoist.
Tripper Floor (RHS) of U#2: Drive of conveyor 8A, Travelling Tripper withFlap gate 2 nos for discharging
coal to conveyor Tripper Floor (RHS) of U#2. Dust Extraction System, Electric Hoist
Transfer Point-7: Drive of conveyor 6A/6B, for discharging coal to conveyor 8B. Dust Suppression System,
Electric Hoist.
Tripper Floor (LHS) of U#2: Drive of conveyor 8B, Travelling Tripper with Flap gate 2 nos for discharging
coal to conveyor Tripper Floor (LHS) of U#2. Dust Extraction System, Electric Hoist
Conveyor 8A & 8B: Size 1400 mm inclined belts approximate length-171M with all usual accessories to carry
crushed coal of 20 mm and down up to transfer points discharging to coal bunkers.
Transfer Points and Conveyor Gallery Structure: Structure, Structural steel construction etc. for conveyor
frames, head frames, stringers, hand rails, walk ways, safety guards, stairs etc.
Pumps:
Sl.no Name Number Capacity
(m3/hr)
Head (mwc) Motor Rating(KW)
1. Service water Pump 4 35 105/80 18.5/15
2. Cooling Water Pump 6 36/36/75 115/85/50 18.5/30/9.3
3. Portable Water Pump 2 8 110 7.5
4. Make-up- Water Pump 2 290 60 75
5. Stockpile dust Suppression
Pump
2 135 90 55
6. Paddle Feeder make-up
water Pump
2 8 65 9.3
7. Track Hopper Dust
Suppression Pump
2 35 75 18.5
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
22/94
Page 22 of94
8. Wagon Tippler Dust
Suppression Pump
2 55 72 18.5
9. Paddle Feeder Dust
Suppression Pump
8 5 40 2.2
10. Dust Extraction Pump 4 40 65 15
11. Dry Type Fog Type Dust
Suppression Pump (PH-A)
2
Compressors:
Sl.no Name Number Capacity
(m3/hr)
Head (kg/cm2) Motor Rating(KW)
1. Service Air Compresor(PH-
A)
2 42.5 7 5.5
2. Dry Fog Type Dust
Suppression System(PH-A)
2 202 10 22
3. Dry Fog Type Dust
Suppression System(PH-B)
2 70.9 7 7.5
4. Service Air Compressor
(PH-B)
2 119 CFM 10 37
Air pollution control system:
a)Ventilation system VS-1 to VS-10, VE-1 to VE-23: Area- Track Hopper, tunnel- conv. 9A/B, 1A/B & 12A/B,
TP-10, Tp-11, TP-12
b)Dust extraction system- DEP-6A/6B, 6C/6D Area: Crusher House and Bunker floor
c)Dust suppression system- Area: TP-1,2,3,4,5,8,9,10,11 and 12.
LIST OF T&P ITEMS TO BE ARRANGED BY THE FIRM DURING EXECUTION OF THE WORK:
Adequate tools & tackles as per requirement have to be supplied by the Firm. The following Mech. Tools &Tackles are required for the Firm to start their job for Annual Maintenance Contract.
TOOLS & TACKLES required for CHP:
Sl.
No.
TOOLS & TACKLES Quantity
1. Lifting Equipment
a) Hydra 10T capacity
b) Winch M/C
i) Electrical Operated (a)5T
ii) Mechanically Operated (b) 3T
2 no
2 nos.
1 no.
2. Chain pulley Blocki) 3T Capacity (6m lift)
ii) 5T Capacity (---do---)
iii) 2T Capacity (---do---)
iv) 10T Capacity (---do---)
4 nos.
4 nos.
2 nos.
2 nos
3. Hydraulic Jack
i) 10T Capacity
ii) 35T Capacity
2 nos.
1 no.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
23/94
-
7/27/2019 41-NIT
24/94
Page 24 of94
i) Double
ii) Single
2 nos.
2 nos.
14. a) Magnetic Drill M/C with different bits
b) Stand Drill M/C with different types of bits
2 nos
1 no.
15. Table vice/Bench Vice 1 no.
16. Hammers
i) Wooden Malletii) Copper Hammer
iii) Slage Hammer
3Kg
5kg
10kg.
2 nos.2 nos
2 nos
2 nos
2 nos.
2 nos
17. Cose Rope (Steel) of 16mm 200 mtrs
18. Allen key sets 2 mm to 20mm 2 sets
19. Dial gauge with magnetic base 4 nos.
20. Varner
i) 12
ii) 18
2 nos.
1 no.21. Micro meter
i) Outer side (50mm to 200mm)
ii) inner side (----do---)
1 no.
1 no.
22. Box spanner sets, D-spanner, different types of
files, filler gauge, centre punch, chisel, different
types pipe wrench, Sli wrench etc in sufficient
nos. to carry out day to day maintenance
activity must be procured by the Firm
1 set
23. Scaffolding Material As per requirement
24. Vulcanizing machine along with kit 1 nos.
Note: Any other tools / tackles required for smooth running / maintenance of plant issupposed to be included, as the above list is only indicative not exhaustive.
LIST OF T& P ITEMS TO BE ARRANGED BY THE CONTRACTOR DURING EXECUTION OF CLEANING WORK
Adequate tools & tackles as per requirement have to be supplied by the contractor.
TOOLS & TACKLES required for CHP
Sl. No. TOOLS & TACKLES Quantity1. i) Tractor with Trolley
ii) Pay loader
iii) JCB
iv)Mini pay loader/ Bob cat
Sufficient nos.
1 no.
1 no.
1 no.
2. Nylon Hose of requisite dia. with nozzle Sufficient nos.
.
3. Spade & shovel Sufficient nos.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
25/94
Page 25 of94
4. Broom Sufficient nos.
.
5. Markin cloth Sufficient quantities.
6. Wheelbarrow 20 nos.
7. Ladder Sufficient nos.
FACILITIES TO BE PROVIDED TO THE FIRM BY DVC
(i) Consumables like Lubrication, gaskets, gland packing, bolts, nuts, electric tape, cable gland etc.
and spares shall be supplied by DVC free of cost. Required Tools & Tackles will be on Firms
Scope.(ii) Electric power supply (415 volts) and water required for the work will be supplied free of cost
by DVC for the execution of the work at fixed location only from which additional distribution
can be arranged by the Firm.
(iii) Compressed air ( service air ) will be supplied free of cost at certain location only for the work
assistance.
(iv) Electrical Hoist facility will be provided by DVC free of charge for execution of the contract.
(v) Open space shall be provided at KTPS premises by DVC free of cost for the Firm to make his own
office, stores and Engineers room at their own cost.
(vi) Subject to availability internal telephone will be provided free of cost to the extent possible.
(vii) Subject to availability, facility to utilize DVCs workshop will be provide free for execution of
contract.
(viii) Medical facility as available shall be provided as per DVCs standard charges and norms.
(ix) The accommodation & transport facility to the staff & workers will have to be arranged by the
Firm at their own risk and cost.
Note: Presently DVC do not have facility stated above for Sl. No. (vi) (ix).
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
26/94
Page 26 of94
SCOPE OF WORK UNDER ELECTRICAL SECTION OF CHP
Scope towards CHP Electrical Maintenance for Routine, Preventive&
Emergency Breakdown Maintenance
a) ROUTINE MAINTENANCE AND UP-KEEPMENT OF THE CHP SYSTEM
Routine maintenance of all the equipments of Coal Handling Plant will be carried out by the contractor at all
times of the day including Sundays and holidays by mobilizing sufficient manpower for the early restoration
of the equipments.
Detailed Scope:
1. The contactor has to prepare daily running maintenance work schedule as per direction of DVC
Engineers and arrange necessary work-permit in every morning and the contactor will carry out the
work in pre-defined timed manner
2. Daily routine checking the status of Transformers (Oil and Dry type), 3.3KV HT Board, 415V LT Boards
and its respective Relays, Indications etc., HT & LT Motors, battery system and all continuous running
electrical equipments. Also its record keeping as per direction of Engineer-in-charge.
3. Arranging the power blocking & restoration of power of the CHP equipments for work permit. Rack
in-rack out of HT/LT breaker/panel/modules etc. as per direction of Engineer-in-charge.
4. Cleaning, air blowing and tightness of all Electrical Equipments of CHP system; e.g. HT/ LT motors &its
associated feeders,PT cubicle, Field JBs, MLDB, WDB, LPs, Limit switches, Mobile Tripper, Paddle
feeders, Roller screens, Sump pumps, Flap gate, RPG, Inline magnetic separator, Metal detector,
Suspended magnet, Dust extraction system, Ventilation & exhaust fan, Dust suppression system, Coal
sampler, Water supply system, Scoop coupling system, Compressor, Pull cord, Belt sway switches,
Electric hoist, AC units, liftsetc.
5. Checking/ rectification of Electrical Control Circuit, local control station, remote control panel of all
the Conveyor belts, Mobile Tripper, Paddle feeders, Roller screens, Sump pumps, Flap gate, RPG,
Inline magnetic separator, Metal detector, Dust extraction system, Ventilation & exhaust fan, Dust
suppression system, Coal sampler, Water supply system, Scoop coupling system, Compressor, Pull
cord, Zero speed, Belt sway switches, Hooter system, Electric hoist, Brakes etc. including replacement
of spares.
6. Cleaning & Tightness of all the light fixtures.
7. Control and power circuit modification with tit bit laying& termination of power cables, its
connection & tightnessmay be required and the same may be incorporated in consultation with
Engineer-in-Charge.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
27/94
Page 27 of94
8. Cleaning and removal of technical waste from different electrical panels and its associated floor &
room, different drives, cable gallery and trench etc. on regular basis.
9. Cleaning & Tightnessof 220 V Battery charger and Battery cell and measurement of the various
parameters periodically as directed by DVC Engineers.
10.Availability of all the running feeders thought out the period and if required replacement of faultymodule with healthy module, with changing of few components as Fuses, O/L Relays, Contactors etc.
11.Preventive maintenance of LT drives below 15 KW & its feeder is to be carried out as and when
required.
12.The party must have Electricity driven water extraction pump set to pump out any logged water in
MCC, Pump House or any water logged area in CHP.
13.The site-in-charge/supervisor will consult DVC Engineers all the time-till job is complete. DVC will not
bear any extra cost if extra time is required for completion of job
14.The contractor has to provide full maintenance support as per the requirement.
15.The contractor has to give assistance by providing skilled / unskilled manpower, tools, test equipment
etc. for the Experts, CTC team etc. which DVC may engage time to time as per requirement
16.Any type of scrap generated during execution of work will be shifted to disposal yard as per direction
of Engineer-in charge.
17.The contractor has to collect the material from main store / site store as per requirement vice-versa.
18.The contractor has to maintain the Daily Maintenance Job Register.
The work which has not been covered above but is to be carried out for normalization and smooth
running of CHP is to be done by the Contractor as per direction of Engineer-in-charge.
b) OPERATIONAL SUPPORT
Round the clock availability of sufficient experienced manpower at MCC 1B Control Room, MCC 1C
Control Room and Lifts at Crusher House & TP#3. The shift personnel will attend the day to day shift
operational work e.g. log book, data collection of different electrical equipments and other tit-bit
maintenance work including replacement of tit bit damaged parts of the equipments, for smooth
running of the CHP system.
The lift operator will also maintain the lift condition with the help of routine personnels.
Break Down of any System: Major Breakdown of electrical equipment in Coal Handling Plant is to be
attended on immediate basis round-the-clock and on emergency basis as per the requirement.
However, minor breakdown will be attended by shift persons.
Routine maintenance & breakdown maintenance will be carried out with General shift
persons.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
28/94
Page 28 of94
c) Preventive Maintenance
Preventive maintenance and up-keepment of the electrical drive of all conveyor belts, crusher motor, stacker
cum re-claimer, mobile tippers, paddle feeder, roller screen, sump pumps, flap gate, RPG, Inline magnetic
separator, suspended magnet, dust extraction system, ventilation & exhaust fan, dust suppression system,
HT & LT breaker, MCC module, pull cord, Belt sway switch, metal detector, Hooter, Hoist, battery & its
charger, etc. A list of job is mentioned hereunder, which is indicative but not exhaustive; the firm has to carry
out all the job during preventive maintenance for up-keepment of the equipment.
1) HT Drives & its associated feeder breakers, panels etc: -
i) HT drives
1. Cleaning the motor body by scratching dust layer over the motor.
2. Blowing out the dust layer over the motor body and cleaning the cooling duct.
3. Opening the Terminal Box and checking Terminal tightness. Cleaning and replacement of lug & motor
stud, if required
4. Taking IR value of the motor/ winding resistance and recording the same.
5. Replacement of Terminal Box gasket, if required.
6. Complete sealing of the Terminal Box to prevent dust ingress inside the motor.
7. Greasing of the motor bearing, if required.
8. Cable gland re-fixing.
9. Opening and closing the Canopy for above work.
10.Checking & rectification Space heater.
11.Checking & rectification of LPBS etc.
ii) HT Breaker: -
1. Rack in /Rack out of the breaker.
2. Thorough inspection and cleaning of coal dust by air blower.
3. Cleaning of breaker power contact and applying of petroleum jelly.
4. Checking of vacuum chamber, limit switch, indicators, door interlock etc.
5. Checking of closing/tripping ckt. and replacement of any defective components
6. Replacement of lugs, if found heated/ damaged.
7. Checking of indication lamp/push button/other components and replacement of damaged one.
8. Tightness checking of power/control cable terminals.
9. Tightness checking and greasing/ lubricating.
10.Measurement of contact resistance, if required.
11.Replacement of moving and fixed contacts, if required.
12.Checking the breaker operation in test position both manually and electrically.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
29/94
Page 29 of94
2) LT Drives(above 15 KW) & its associated feeders: -
i) LT Drives:
1. Cleaning the motor body by scratching dust layer over the motor
2. Blowing out the dust layer over the motor body and cleaning the cooling duct.3. Opening the Terminal Box and checking Terminal tightness. Cleaning and replacement of lug & motor
stud, if required
4. Taking IR value of the motor/ winding resistance and recording the same.
5. Replacement of Terminal Box gasket, if required.
6. Complete sealing of the Terminal Box to prevent dust ingress inside the motor.
7. Greasing of the motor bearing, if required.
8. Cable gland re-fixing.
9. Opening and closing the Canopy for above work.
10.Checking & rectification Space heater.
11.Checking & rectification of LPBS etc
ii) LT feeders: -
1. Rack in /Rack out of the breaker.
2. Thorough inspection and cleaning of coal dust by air blower.
3. Cleaning of breaker power contact.
4. Checking of vacuum chamber, limit switch, indicators, counters etc.
5. Checking of closing/tripping ckt. and replacement of defective components
6. Tightness checking and greasing/ lubricating.
7. Tightness checking of power/control cable terminals.
8. Checking of indication lamp/push button/other components and replacement of damaged one.
9. Replacement of lugs, if found heated/ damaged.
10.Measurement of contact resistance, if required.
11.Replacement of moving and fixed contacts, if required.
12.Checking the breaker operation in test position both manually and electrically.
3) Distribution Transformers 3.3KV/415V & its associated breakers and panels:-
1. Cleaning of Transformer body & corresponding yard.
2. Cleaning &Tightness checking of terminals inside bus duct and HT/LT chambers.
3. Checking of Oil level and topping oil, if required.
4. Silica gel replacement, if required
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
30/94
-
7/27/2019 41-NIT
31/94
-
7/27/2019 41-NIT
32/94
Page 32 of94
7. Checking of indication lamp/push button/ element/ other components and replacement of damaged
one.
8. Checking/ rectification of control and power ckt. Interlock checking.
9. Checking & ensuring proper operation of PCRD & CCRD.
10.Cleaning of coal dust & terminal tightness of all the installed motors.11.Cleaning and terminal tightness of all the heavy duty switches/limit switches installed and its
replacement, if necessary.
12.Cleaning of all the PJB, LBS LDB etc for coal dust.
13.Cleaning of the lighting fixtures.
14.Cleaning of Split ACs installed in E House & Operator cabin.
15.Checking operation of Stacker cum reclaimer.
Maintenance of VVVF drives:
1. Cleaning of panels. Replacement of panel gaskets. Checking of indication lamp/push button/
element/ other components and replacement of damaged one.
2. Replacement of the parts/equipments as per system requirement(material will be supplied by DVC)
3. Terminal tightness checking in the drive panel
4. Adjustment of settings of the drive as per requirement.
3) Wagon Tippler & its Side Arm Charger
LT Drives and Electrical MCC of Wagon Tippler & Side Arm Charger:
1. Opening the panel cover and checking gasket and replacement, if required.
2. Checking the cover fasteners and providing missing fasteners.
3. Removal of coal dust from the panel by using air blower/vacuum cleaner and dry brushes.
4. Tightness checking of power/control cable terminals.
5. Replacement of lugs, if found heated/ damaged.
6. Cleaning and checking of power contactors, relay, fuse etc. and replacement of damaged parts, if any.
7. Checking of indication lamp/push button/ other components and replacement of damaged one.
8. Cleaning and checking of overload relay and other relays.9. Checking/ rectification of control and power ckt. Interlock checking.
10.Checking & ensuring proper operation of Festoon trolley for Side Arm Charger.
11.Cleaning of coal dust& terminal tightness of the all installed motor body .
12.Cleaning and terminal tightness of all the heavy duty switches/limit switches installed and its replacement,
if necessary.
13.Cleaning of coal dust & terminal tightness of all the PJB LDB, etc
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
33/94
Page 33 of94
14.Cleaning of the lighting fixtures.
15.Checking operation of Wagon Tippler & its Side Arm Charger.
4) Minor Overhauling of Transformers
Proper isolation of the service breaker from OBB/OBD HT Switchgear at 3.3mtr in IPH
Opening of Primary & secondary terminal box. Checking for the damaged gaskets & packing on the box (& changing if required, gaskets to be
provided by DVC)
Tightness of all the Cable terminals at primary & bus bar terminals at secondary (with torque
wrench).
Tightness of the neutral link & measurement of earth resistance.
Measurement of the resistance through NGR & its Copper cable tightness (wherever applicable).
Arresting the Oil leakage if observed any from the Valves, Radiators etc
Changing the valves gaskets if required. (Gaskets to be provided by DVC).
Assurance of proper oil level in Conservator tank & top-up if required.
Proper heating of Silica gel breathers and its up-keeping.
Measurement of BDV value of the transformer Oil.
Measurement of the winding resistance of the Transformer winding.
Measurement of IR value of the incoming power cables & Bus ducts.
Tightness & cleaning of the terminals at Marshelling box.
Thorough cleaning of Transformer tank & auxiliaries and removal of foreign grasses inside the
transformer yard.
Thorough tightness of all the terminals & application of recommended gels at the terminals.
Assembling of the Terminal box covers at primary & secondary sides.
Painting of the tank (if required).
Measurement of IR value of the whole connected system.
Assuring the healthiness of the Transformer & its charging.
5) Overhauling of ILMS/Suspended Magnets and its associated panels.
Scope of work: -
Cleaning of local/MCC panel.
Disconnection of cable from magnetic coil.
Opening of cover of magnetic box.
Removal of magnetic coil.
Checking of magnetic core and coil.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
34/94
Page 34 of94
Cleaning of coil.
Varnishing of coil and heating.
Checking resistance & inductance of the coil.
Mounting of coil in the box and their connection.
Checking and replacement of defective component of the panel.6) Overhauling of HT/LT Panels (Half part of each MCC as one unit basis)
a) Opening the panel cover and checking gasket and replacement, if required.
b) Checking the cover fasteners and providing missing fasteners.
c) Removal of coal dust from the panel by using air blower/vacuum cleaner and dry brushes.
d) Tightness checking of power/control cable terminals.
e) Replacement of lugs, if found heated/ damaged.
f) Cleaning of power contactors and replacement of damaged parts, if any.
g) Checking of indication lamp/push button/ element/ other components and replacement of damaged
one.
h) Cleaning and checking of overload relay and other relays.
i) Cleaning and checking of lockout switchbox replacement of any component if required.
j) Checking/ rectification of control and power ckt. Interlock checking.
k) Checking/rectification of 3.3KV/415V bus bar, support insulators, Bus P.T., Line PT, Lightning arrestor
and associated panels including checking/ rectification of control circuit and replacement of any
defective component.
e) Some Other Important Jobs: -
1) Replacement/Dismantling of local push buttons (LPBS)/ Exhaust fan starter/ Heavy Duty Switches/
Limit Switches/Pull Cord/ Belt Sway switches/ Multifunction meter, Relay in 3.3 kV/415V breaker
panel etc. (each unit basis)
2) ILLUMINATION: -
1. Maintenance of MLDB/WDB
a) Cleaning & terminal tightness of all parts
b) Checking & rectification of transformer & circuitc) Replacement of damaged parts, if any.
2. Maintenance of Lighting panels/ACDB/DCDB/DCFB
a) Cleaning & terminal tightness of all parts
b) Checking & rectification of faulty circuit
c) Replacement of damaged parts, if any.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
35/94
Page 35 of94
3. Checking of light fittings & Replacement of fused lamps (HPSV, fluorescent tube, GLS, CFL); Burnt
ignitor; Defective holder; Ballast/choke etc as per requirement. (each light fitting basis): Light fittings
are to be taken out from place and is to be installed after replacement of the faulty items.
a) At normal Height: -
b) At above normal Height:-4. Checking of light fittings & Replacement of complete fittings (HPSV, fluorescent tube, GLS, CFL) as per
requirement. Light fittings are to be taken out from place and is to be installed after replacement of
the faulty items.
a) At normal Height: -
b) At above normal Height:
5. Attending of lighting breakdown(each occasion basis)
a) Checking & rectification of faulty circuit
b) Replacement of wire & damaged parts, as per requirement
6. New Power Point wiring of plug and socket point/fixing of MCBS and connection of power
supply.(each occasion basis)
7. Provision of connections and disconnection for welding machines, board fitting, temporary lighting
for maintenance.(each occasion basis)
f) Typical job:
1) Overhauling of LT motor including Shifting from motor base to overhauling site (adjacent to the
motor base at same floor) and restoring back after overhaul.
Disconnection of power cable from the motor and opening of base bolt of the motor.
Lifting and handling for shifting of motor to suitable location at the same floor for overhauling.
Dismantling of motor and removal of rotor from stator.
Thorough cleaning of motor cooling ducts, stator core, winding etc.
Varnishing of the rotor and stator and their dry out.
Removal of old grease from the bearing and replacement with fresh grease.
Replacement of bearing, if defective.
Assembling of the motor and measurement of IR.
Painting of the motor.
Shifting and positioning the motor on its base after overhauling & tightness of foundation bolt.
Connection of power cable and space heater cable
2) Replacement of burnt LT motor by spare one.
Disconnection of power cable of burnt motor and opening of base bolt of the motor.
Shifting of burnt motor as per directed location.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
36/94
Page 36 of94
Transportation of spare motor from store to work site.
Lifting & shifting of spare motor up to motor base.
Tightness of base bolt of the motor.
Connection of power cable and space heater cable.
Checking Megger and winding resistance & inductance of the motor, as per requirement. Free run of the motor.
3) Overhauling of 3.3 KV HT motor (230 KW to 595 KW) including Shifting from motor base to
overhauling site and restoring back after overhaul.
Disconnection of power cable from the motor and opening of base bolt of the motor.
Lifting and handling for shifting of motor to suitable location at the same floor for overhauling.
Dismantling of motor and removal of rotor from stator.
Thorough cleaning of motor cooling ducts, stator core, winding etc.
Varnishing of the rotor and stator and their dry out.
Removal of old grease from the bearing and replacement with fresh grease.
Replacement of bearing, if defective.
Assembling of the motor and measurement of IR.
Painting of the motor.
Shifting and positioning the motor on its base after overhauling & tightness of foundation bolt.
Connection of power cable and space heater cable.
4) Replacement of burnt 3.3 KV HT motor (230 KW to 595 KW) by spare one.
Disconnection of power cable of burnt motor and opening of base bolt of the motor.
Shifting of burnt motor as per direction of Engineer-in-charge.
Transportation of spare motor from store to work site.
Lifting & shifting of spare motor up to motor base.
Tightness of base bolt of the motor.
Connection of power cable and space heater cable.
Checking Megger and winding resistance& inductance of the motor
Free run of the motor.
g) Provision of OEM / other Experts services: - If it is felt that the contractor is unable to rectify the
troubles of the equipment under their scope or it is felt to have services of specialist during
overhauling, DVC may instruct the contractor to arrange for services of OEM Expert/other Expert as
per requirement. (per occasion basis)
h) Nomenclature of equipment/panels by paint: As per site requirement the nomenclature of
equipment/panels etc by paint (per letter basis). Size of the letter will be decided as per site
requirement. All the materials will be supplied by the firm.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
37/94
Page 37 of94
i) Laying & termination of cable: Laying & termination of different sizes power cable & control cable.
Luggs, Glands, Termination kit & jointing kit etc as per requirement (for execution of the said job) will
be arranged by the firm. The cost will be reimbursed at actual against documentary evidence. The
group of cable size furnished as below.
j) Dismantling of Cable: Dismantling of different size power cable& control cable. The group of cable
size furnished as below.
Exclusions from work:
The following jobs are excluded from the scope of work:-
a. Rewinding and major repairing work of LT/HT motors, valve solenoids etc.
b. Rewinding and major repairing work of distribution transformers.
c. Repairing of relays.
d. Major repairing work of batteries.
e. Major machining work
Completion period of each category job:
Sl. No. Job Category Completion
period
1 Preventive maintenance of each specified equipments One day
2 Overhauling cum preventive maintenance of each specified
equipments
One day
3 Overhauling of HT motors Seven days
4 Overhauling of LT motors Three days
5 Replacement of HT motors Two days
6 Replacement of LT motors One day
7 Maintenance of Lighting work One day
8 Laying & termination of power cable (per 100 meters) One day
9 Laying & termination of control cable (per 100 meters) 04 Hrs
Other job, which is not specified above will be firmed up by the Engineer-in-charge as per the
situation.
List of Major Electrical Equipment and installation:
The list of the electrical equipment and installations mentioned below is not exhaustive but tentative only;
for the purpose of assessment of involvement of work. Apart from these, any electrical equipment that will
be taken in to the ambit of CHP Electrical Maintenance wing shall be under the scope of this comprehensive
Annual Maintenance Contract:
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
38/94
Page 38 of94
MCC-1A
1) 11/0.433KV, 2000KVA Transformers - 03 nos.
2) LT MCC - capacity 3200 Amp.( of 35 cubicles having 285 feeders) 1 no.
3) 220V DCDB 1 no.
4) DCFB 2 no.
5) ACDB 2 no.
6) MLDB 2 no.
7) WDB 2 no.
8) Solenoid DB 1 no.
9) 220V Battery Charger 2 no.
10) 220 Volt DC Battery Bank comprising of 119 no. cells 2 no.
11) SM Panel -2 no.
12) ILMS Panel 2 no.
13) Brake Panel 2 no.
14) VFD Panel 1 no.
15) All cables in the Cable Vault.
16) Ducting of pressurized Air System along with Air Handling Blower 01 set (Ventilation system)
MCC-1B
1) LT MCC capacity 1000 Amp (of 10 cubicles having 72 feeders)- 1 no.
2) ACDB 2 no.
3) MLDB 1 no.
4) WDB 1 no.
5) DCFB - 2 no.
6) Solenoid DB 1 no.
7) Ducting of pressurized Air System along with Air Handling Blower 01 set (Ventilation system)
8) All cables in the Cable Vault.
MCC-1C
1) 3.3KV HT Board capacity 1500 Amp comprising of 31 nos. panels - 1 no.( with 2 nos earth truck).
3) LT MCC capacity 1600 Amp ( of 13 cubicles having 121 feeders)- 1 no.
4) ACDB2 no.
5) MLDB 2 no.
6) DCFB - 2 no
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
39/94
Page 39 of94
7) Suspended Magnet Panel- 2 no
8) Solenoid DB
9) Vibration Monitoring Panel 1no
10) Oil Type Transformer 11/0.433KV, 1000 KVA capacity 2 nos.
11) Oil Type Transformer 11/3.3KV, 7500KVA capacity - 2 nos.
12) Ducting of pressurized Air System along with Air Handling Blower 01 set (Ventilation system)
13) All cables in the Cable Vault.
MCC-1D
1) LT MCC capacity 2500 Amp ( of 24 cubicles having 225 feeders)- 1 no.
2) ACDB Board 2 no.
3) MLDB Board 1 no.
4) WDB 2no
5) Solenoid DB 1no
6) DCFB - 2 no.
7) Brake Panel 2 no.
8) VFD Panel -1no.
9) Oil Type Transformer 11/0.433KV, 1600 KVA capacity 2 nos.
10) Ducting of pressurized Air System along with Air Handling Blower 01 set (Ventilation system)
11) All cables in the Cable Vault.
TRACK HOPPER
1) Paddle Feeder Control Panel 4nos
2) Sump Pump Panels 8nos
3) Electric Hoist 6nos
4) Brake for LT drive
WAGON TIPPLER
1) Wagon Tippler Power pack motor (Drive) (110KW) 1no
2) Wagon Tippler Power pack motor (Clamping) (37KW)
1no
3) Side Arm Charger Power pack (Drive) (132KW) 1no.
4) Charger power pack Cooler motor (0.55KW) 1no
5) Integral Weigh Bridge1no
6) Apron Feeder (110KW) 1no.
7) Dribble Conveyor (9.3KW) 1no
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
40/94
Page 40 of94
8) Electric Hoist 2no.
9) Sump Pump (15KW) 2nos
10)Flap Gate FG-31 1no
CRUSHER HOUSE
1) Ring Granulator Motor (405KW) 4nos
2) Actuator for Fluid Coupling Conveyor 1A/B (1.1KW) 2nos
3) Coupling Cooling Oil Circulating pump for 1A/B (2.2KW) 2nos
4) ILMS 2nos
5) Electric Hoist for ILMS2nos
6) Rack Pinion Gate 4nos
7) Roller Screen Motor 4nos
8) Electric Hoist for Roller Screen2nos
9) Actuator for Fluid Coupling Crusher (2.2KW) 4nos
10)Electric Hoist for Ring Granulator 2nos
11)Electric Hoist for Conveyor 1A/B 2nos
12)Electric Hoist for Belt Feeder 4nos
13)Electric Hoist for Tail Pulley 1nos
14)Elevator 1nos
15)Coal Sampling Unit 2nos
(a) Primary Cutter (18.5KW) 2nos
(b) Belt Feeder (reversible) (2.2KW) 1no
(c) Crusher (30KW) 1no
(d) Secondary Sampler (0.37KW) 1no
(e) Screw Feeder (2.2KW) 1no
(f) Sample reject Screw Feeder (slide gate) (0.18KW) 2nos
(g) Rotary sample collector (0.37KW) 1no
16)Hydraulic power for Door opening mechanism of Crusher (5.5KW) 4nos
17)Belt Feeder (30KW) 4nos
18)Flap Gates 2nos
MOBILE TIPPER
1) Tripper Car along with CJB/PJB, Flexible cable etc. 2 nos. with panels & motors.
2) LT Conveyor Motor - 415 Volt, 132KW, 1485 rpm, 3-phase - 2 nos.
3) General Lighting in conveyor & bunker floors.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22 -
7/27/2019 41-NIT
41/94
-
7/27/2019 41-NIT
42/94
Page 42 of94
5) Metal Detector 2nos
6) Electric Hoist for Metal Detector 2nos
7) General Lighting for entire Conveyor.
CONVEYOR 2A/B
1) At TP-1: 415 Volt, 160KW, 1485 rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.
CONVEYOR 3A/B
1) At TP-2: 3.3 KV, 230KW, 1484rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.
CONVEYOR 4A/B
1) At TP-3: 3.3 KV, 595KW, 1490 rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.
CONVEYOR 5A/B
1) At TP-5: 3.3KV, 230KW, 1484 rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.
CONVEYOR 6A/B
1)At TP-7: 415 Volt, 132KW, 1450 rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.
CONVEYOR 7A & 7B
1)At Bunker Floors: 415 Volt, 132KW, 1450 rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.
CONVEYOR 8A & 8B
1)At Bunker Floors: 415 Volt, 132KW, 1450 rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.
CONVEYOR 9A/B
1) At TP-12: 415 Volt, 132KW, 1485 rpm ,3-phase Conveyor Motor -2 nos.
2 General Lighting entire conveyor.
CONVEYOR 10A/B
1) At TP-9: 3.3KV, 230KW, 1484rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.CONVEYOR 11A & 11B
1) At TP-10 &11: 3.3KV, 230KW, 1484 rpm ,3-phase Conveyor Motor -2 nos.
CONVEYOR 12A/B
1) At TP-2: 3.3KV, 230KW, 1484 rpm ,3-phase Conveyor Motor -2 nos.
2) General Lighting entire conveyor.
http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/Default.aspx?r=q8b3uige22http://www.pdfcomplete.com/cms/hppl/tabid/108/