HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
HINDUSTAN PETROLEUM CORPORATION LTD.
TENDER NOTICE
Tender Ref :
M/s.________________________
__________________________ _
Date:
28/07/ 2010
Dear Sirs,
INTERIOR / RENOVATION WORKS AT HPCL, GMO-WZ, R&C BUILDING
BYCULLA, MUMBAI -08..
We invite your most competitive offer for INTERIOR / RENOVATION WORKS AT
HINDUSTAN PETROLEUM CORPORATION LIMITED, GMO-WZ ,1st FLOOR ,
R& C BUILDING ,SIR J.J. ROAD, BYCULLA,MUMBAI-8.
PRE BID MEETING
A pre-bid for the subjected job is scheduled on 10th Aug 2010 at 14:30 HRS at HPCL
2nd Floor, R & C Building for understanding the complete scope of the job.
DUE DATE FOR SUBMISSION
Due Date for submission of completed tender
: 20.08.2010 @ 1500 HRs
Opening of Unpriced Documents of tender
: 20.08.2010 @ 1530 HRs
You are invited to quote "Two Part-Bid Basis” for the above work as per the
enclosed Tender Documents. The bids are to be submitted in two parts i.e. “TechnoCommercial Bid’ and the ‘Price Bid”.
Your offer shall be submitted in two parts. Part A shall consist of the EMD,
Covering Letter for submitting tender (as per enclosed format) and will contain all
specification, technical details, Terms and conditions, comments / deviation (if any)
etc., The following documents forming part of the above Tender are enclosed
herewith.
Interior Work at R&C Building
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Seal & Signature of Tenderer
HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
A.UNPRICE /TECHNO COMMERCIAL BID
1. Cover Letter
2. Introduction
3.
a. General Instructions – Annexure – I
b. Special Instructions – Annexure – II
c. Special Terms & Conditions - Annexure – III
d. Safety Code – Annexure – IV
e. Preamble – Annexure – V
f. Declaration by Tenderer – Annexure – VI
g. Organisation Data – Annexure – VII
h. Deviation Sheet – Annexure – VIII
i. Technical Specifications – Annexure – IX
4.
a.
b.
c.
d.
List of approved Brands & Makes – Annexure – X
Item wise detailed description – Annexure – XI
List of items for disposal – Annexure – XII
Layout drawing – Annexure – XIII
5. General Terms & Conditions – Annexure – XIV
6. Format for Bank Guarantee for EMD/SD – Annexure – XV
7. Integrity Pact – Annexure – XVI
Please note that Part A shall not contain any prices and shall be enclosed in a
sealed envelope clearly marked as Technical Bid (Part A) with Tender No. & due
date on top
B. Price Bid (Bill of quantity)
The bill of quantities forms a part of the contract and shall be read in conjunction
with the conditions of contract, the specification and the drawings.
The quantities set forth in the bill of quantities are approximate only and are
intended to represent the character of the work to be carried out and are given to
provide a common basis of tendering. There is no guarantee to the contractor that
he will be required to carry out the quantities of work indicated under any one
particular item or groups of item in the bill of quantities represent a fair overall
estimate of the quantity of work to be carried out.
Part B shall consist of the Price Bid with only the schedule of Rates/Quantities duly
filled and shall not contain any terms and conditions. It shall be enclosed in a
sealed envelope clearly marked as Price Bid (Part-B) with Tender No. & due date on
top.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
Your quoted rates shall be inclusive of all applicable taxes and duties and shall
remain firm till completion of work. Your quotation shall be valid for period of 90
days from the date/extended date of opening of Tender indicated above.
Deposit your sealed quotation on Two Bid Basis addressed to SR. MANAGER –
PUR.(WZ) in the Tender Box located at HINDUSTAN PETROLEUM
CORPORATION LIMITED, GMO-WZ ,IIND FLOOR, R& C BUILDING ,SIR J.J.
ROAD, BYCULLA,MUMBAI-8 on or before due date & time of the tender .
Kindly ensure to state name and designation of the authority signing the offer.
You are requested to submit your best offer for the items of work contained in the
tender. Your offer complete in all respects should be submitted on or before due date
of the tender. The sealed offer is to be submitted at the following address:
SR. MANAGER- PUR. (WZ),
HINDUSTAN PETROLEUM CORPORATION LIMITED,
GMO-WZ, II ND FLOOR, R& C BUILDING
, SIR J.J. ROAD, BYCULLA, MUMBAI-8.
The tender must accompany the stipulated EMD as per clause No. 11 of “General
Instructions” & 4(a) of “General Terms & Conditions” of this tender. Tender without
EMD will be rejected.
Thanking you,
Yours Faithfully,
SR. MGR.-PUR (WZ)
HINDUSTAN PETROLEUM CORPORATION LIMITED
Interior Work at R&C Building
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
COVERING LETTER FOR SUBMITTING TENDER
Sr. Manger – Pur. (WZ)
______
_ _____________
_______________,
HINDUSTAN PETROLEUM CORPORATION
LIMITED, GMO-WZ, II ND FLOOR,
R& C BUILDING, SIR J.J. ROAD,
BYCULLA, MUMBAI-8.
Subject: Tender for Interior/ renovation works at AT HINDUSTAN PETROLEUM
CORPORATION LIMITED, GMO-WZ, 1st FLOOR, R& C BUILDING, SIR J.J.
ROAD, BYCULLA, MUMBAI-8.
Dear Sir (s),
With reference to the tender invited by you for the above proposed work, I/ we
confirm having read & understood the details, specifications, bill of quantities,
instructions to the tenderers, and the conditions of contract annexed there to
(herein after called the contract documents) relating to above proposed work.
Visited and examined the site of the proposed work and acquired the requisite
information as affecting the tender.
I/ we, undersigned, hereby offer to carry out the proposed work in strict accordance
with the contract documents for the consideration to be calculated in terms of the
priced bill of the quantities.
I/ we undertake to take up the work so as to complete the same within 120 days of
handing over site.
I/We agree to keep the offer open for 90 days from the date of opening of tenders.
As required by you, I/We are returning herewith the documents (in single) duly
signed by us at each page in token of our acceptance of the provisions in the
documents.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
I/We confirm that our quotation has been prepared after thorough study of site
conditions, specifications, drawings, General Terms and Conditions of Contract,
Special terms & conditions etc., and I/We hereby accord our unqualified consent and
agreement to the said Conditions, Specifications, drawings, General Terms &
Conditions, Special terms & conditions of Contract, etc.
Seal:
Signature of Contractor.
Date:
Place:
Date:
Interior Work at R&C Building
Yours faithfully,
(Signature & seal of the tenderer)
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
INTRODUCTION
1.
Scope of Work.
:
1.
2.
3.
4.
5.
6.
7.
8.
2.
Location
3.
Earnest Money Deposit :
4.
Owner
5.
Architect
Buy back – various items
(List as per Annexure-XII)
Civil Works
Partition
Doors & Windows
Loose Furniture
False Ceiling
Miscellaneous
Electrical Work
:
HINDUSTAN PETROLEUM
CORPORATION LIMITED
GMO-WZ, 1st FLOOR
R& C BUILDING, SIR J.J. ROAD,
BYCULLA,MUMBAI-8.
Interior Work at R&C Building
As per clause no. 11 of General Instructions
please also refer clause no. 4(a) of “General
Terms & Conditions” of this tender.
:
HINDUSTAN PETROLEUM
CORPORATION LIMITED
GMO-WZ, 1st FLOOR,
R& C BUILDING, SIR J.J. ROAD,
BYCULLA, MUMBAI-8.
:
VARDE PARALKAR & ASSOCIATES
1st Floor, State Bank of India Bldg.,
Annex Bank Street, Horniman Circle,
Fort, Mumbai - 400 023
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
Annexure - I
GENERAL INSTRUCTIONS
Instructions for Filling / Submitting Tenders:
1.
The tender should be submitted only in the prescribed tender schedule form
supplied by HPCL.
2.
The Tenderer should study all the Tender Documents carefully and
understand the Tender Contract Conditions, Drawings, Specifications etc.,
before quoting. If there are any doubts, they should get clarification in
writing but this shall not be a justification for submission of late tender or
extension of opening date. Tender should be strictly in accordance with
Terms & Conditions, Drawings, Specifications and Tender Documents.
3.
The Tenderer should visit the site and acquaint himself with the site
conditions before quoting. He is also expected to know about the availability
of water supply, electricity supply, approach road, construction materials as
per specifications and any other ancillary facilities since these are to be
provided / arranged by him (unless otherwise specified) at his cost to execute
the works. All the above factors must be taken into account in the rates
quoted.
4.
The Tenderer should quote his rates for all items in the Tender Schedule. In
case of discrepancy, if any, clause 3.19 of General Terms & Conditions will be
applied.
5.
All Tenders should be submitted in sealed cover boldly super scribed on the
outer cover, Tender Number, closing date and time and sent by Registered
Post or Courier so as to reach the concerned authority as laid out in the
tender form before the closing date and time or dropped in the tender box
kept in the concerned authority's office before closing date & time.
6.
All entries in tender documents should be in ink.
All corrections should be attested under full signature of the contractor.
Corrections where necessary should be made by scoring the wrong
words/figures by drawing a line across them and attesting these with the full
signature of the Contractor. These shall not be erased or overwritten.
7.
Every page of the Tender Documents shall be signed by the Tenderer at the
end of last entry thereon. The Layout drawing attached to the tender should
be signed and returned by the Contractors along with Tender Documents.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
The Integrity Pact duly signed by the HPCL official and the contractor will
form part of this contract / supply order. Proforma of Integrity pact, attached
as annexure shall be returned by the bidder along with the technical bid,
duly signed by the same signatory authority who signs the bid i.e. who is duly
authorized to sign the bid. The Bids received without duly signed Integrity
Pact shall be rejected.
8.
The quoted rates should be inclusive of all Equipment, Lifts and Leads of
Materials, Labour, Octroi Duties, Sales Tax, Work Contract Tax, Turnover
Tax, Excise, Customs, Service tax etc., required in connection with the
completion of work to the entire satisfaction of HPCL and Architects. All the
materials are to be supplied by the Contractor unless otherwise stated.
9.
The quoted rates shall be valid for a period of at least 90 days from the date
of opening of the Tender. No upward revision of rates will be accepted after
opening of the tender. If the Tenderer fails to accept the work order, if placed
at his originally quoted rates, or subsequently negotiated rates, as the case
may be, the Earnest Money shall be forfeited. Once the quotation is accepted
and the Work Order placed on the successful tenderer, the rates shall be
valid till the entire work is 100% completed as per the satisfaction of HPCL &
Architects.
10.
Tenderer must quote his rates for all items of work described in the Bills of
Quantities. HPCL reserves the right to reject the offers received which do not
have the quoted rates for all the items.
11.
EARNEST MONEY DEPOSIT
The tenderers shall refer clause no. 4 (a) of General Terms & conditions &
submit the Earnest Money Deposit of Rs 3,00,000 /- (Rupees Three Lakhs
Only ) by crossed account payee Demand Draft (OR) Bank Guarantee drawn
on and from any Nationalised / Scheduled banks other than Co-operative
banks in favour of
“ HINDUSTAN PETROLEUM CORPORATION
LIMITED” payable at Mumbai. EMD should be submitted along with the
Technical Bid / Un priced bid and bids received without EMD shall be
rejected, in the case e- tenders the EMD to be submitted to the buyer on or
before the due date and time of opening of the un priced bid of the tender for
verification.
Cheques, cash, Money Orders, Fixed deposit Receipts etc. towards EMD are
not acceptable. Similarly, request for adjustment against any previously
deposited EMD / Pending Dues / Bills / Security Deposits of other contracts
etc. will not be accepted towards EMD.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
Exemption from EMD:
Units registered with National Small Industries Corporation (NSIC) are
exempted from payment of EMD for performance up to Monetary Limits
specified in the NSIC for the item tendered and subject to.
Registration certificate being valid as on date of quotation.
Technical Bid is accompanied by a photocopy of valid NSIC Registration
Certificate / Review Certificate.
Photocopy of application for registration as NSIC or for renewal of NSIC will
not be acceptable. Such offers will be treated as offers received without EMD.
Registration with DGS&D will not entitle the Tenderer to claim exemption
from payment of EMD.
The EMD is liable to forfeited or parties who have opted for exemption from
submitting the EMD , shall be barred for a period of one year from taking
part in any tender floated by HPCL in future, in the event of :
Withdrawal of offers during the validity period of the offer.
Non–acceptance of Orders, if and when placed.
Nonpayment of Security Deposit, against LOIs / POs within the stipulated
period of 15 days from date of placement of LOIs / POs.
EMD will be refunded to all the unsuccessful tenderers after finalisation of
the Tender. For successful tenderers, refund will be made only on payment of
Security Deposit against LOI / PO, as placed. EMD shall not bear any
interest and shall be refunded / paid by Cheque / e-payment.
Tenders submitted without EMD will be rejected.
12.
Security Deposit
Pls. refer clause No. 4(b) of the “General Terms & conditions of the tender”.
13.
Retention Money:
Pls. refer clause No. 7(c) of the “General Terms & conditions of the tender”.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
14.
Acceptance of tender by HPCL
Incomplete tenders, conditional tenders, tenders received late or tenders not
conforming to the Terms and Conditions prescribed in the Tender Documents
or not accompanied by the requisite earnest money will be rejected. Requests
for adjustment of pending bills or any other amount towards Earnest Money
Deposit will not be entertained. HPCL reserves the right to reject any or all
tenders without assigning any reason whatsoever and / or to carry out
negotiations with the tenders in the manner considered suitable by HPCL.
15.
Tenderer may have to attend the concerned office of HPCL for negotiations
/ clarifications required by them in respect of their quotations without any
Commitment on the part of HPCL.
16.
In case of negotiations, the Tenderer should send the confirmation of such
negotiations so as to reach HPCL within 3 working days from the date of
negotiations, failing which HPCL reserves the right to ignore the quotation.
17.
Acceptance of Work Order by Tenderer.
After communicating HPCL's acceptance of the Contractor's tender, if the
Contractor fails to return the duplicate copy of Work Order and agreement
duly signed in token of their acceptance within 10 days, the Earnest Money
Deposit will be forfeited by HPCL.
18.
Signing of Documents.
All signatures in tender document shall be dated as well as all the pages of
all sections of the tender documents shall be stamped and signed by the
Tenderer or by a person holding Power of Attorney authorising him to sign on
behalf of the tenderer before submission of tender.
19.
Execution of Work
The Contractor shall submit before starting work on receipt of Work Order a
detailed programme of work adhering to the completion time quoted in the
Work Order. The programme thus submitted shall form part of the Contract
and shall be binding on the Contractor.
However, HPCL reserves the right to alter the programme, if necessary, from
time to time. No claim whatsoever of the Contractor on his account shall be
entertained by HPCL.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
20.
All the materials required for execution of work must be got approved from
HPCL /Architects before they are brought to site and also before actually put
to use. All facilities for prior inspection of materials and subsequent
inspection of work by representatives of HPCL/Architects must be made
available, at Contractor's cost.
21.
Any material brought without such prior written approval shall be entirely at
the risk and cost of the Contractor.
22.
It shall be Contractor's responsibility for procurement of all materials /
equipment etc. No delay due to non-availability of any materials /
equipment will be entertained by HPCL.
23.
The responsibility of safety and security of materials and equipments brought
or installed by the Contractor (till they are handed over to HPCL) will remain
with the Contractor and any claim whatsoever nature due to any loss or
otherwise will not be entertained. The Contractor will have to hand over
completed job in its entirety of Work Order.
24.
If the Contractor brings defective / sub-standard materials at site, it shall be
the responsibility of the Contractor for the removal and disposal of the same
at his cost. HPCL shall not entertain any claim from the Contractor on this
account. In case the Contractor fails to remove such materials within 15 days
after issue of notice in writing to the Contractor, the HPCL reserves the right
to dispose such materials at the entire risk and cost of the Contractor.
25.
Work order quantities are approximate and can increase or decrease.
Payment shall be made only as per actual measurements. The Contractor is
not entitled for any sort of compensation towards materials, procured / stored
in excess of the measured quantity, if any. The contractors claim for
compensation or damages on account of variation in quantities shall not be
entertained.
26.
Excess quantity over that mentioned in work order or extra item or deviation
in work order should not be carried out by the Contractor unless has been
asked to do so in writing by HPCL / Architect / and if carried out without
such written approval the same will be at the risk and cost of the Contractor.
27.
Detailed measurements of works carried out shall be taken jointly by the
Contractor and the representative of the Architect / HPCL at every stage of
work before proceeding to next stage as explained in General Terms &
conditions clause no.7.a.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
28.
The entire work shall be carried out under the supervision of the authorised
representative of HPCL / Architect who shall have free access to the site as
well as to the workshop or other places of the Contractor/sub-contractors
where work is being prepared for the proper execution of the Contract.
29.
The Contractor shall carry out works as per directions in the Work Order.
The Contractor shall not undertake on his own any change in the
specification mentioned in the Tender Documents and Work Orders. In case
of doubt the Contractor will refer the matter in writing to the HPCL and the
Contractor shall carry out the items of work as per clarifications given in
writing. In case of delay in getting such clarifications the Contractor will not
be entitled for any claim on account of idling of their labour, machinery etc.
In case the Contractor carries out the work as per his own specifications not
acceptable to HPCL in such cases the same will be required to be redone as
per specifications given by HPCL/Architects at the Contractor's risk and cost.
If the Contractor fails to re-do the work, HPCL reserves the right to get it
done through any agency at the entire risk and cost of the Contractor.
30.
HPCL reserves the right to revise the specifications, drawings, and designs at
any stage of work and such deviations shall be admitted at the rates already
contained in the Work Order or at prevailing market rates if the rates are not
available in the Work Order.
31.
HPCL, reserves the right to increase or decrease the tendered quantity of any
or every item and delete any item at any stage of work at the accepted rates.
The Contractor's claim for compensation or damages on account of these shall
not be entertained.
32.
All works shall be measured as per the procedure laid down in relevant ISI
standards (Bureau of Indian Standards latest edition). Detailed
measurements of works carried out shall be taken jointly by the
representatives of HPCL / Architect, in the presence of the Contractor's
representative and final payment will be made as per measured quantities
and not as per the Work Order quantities.
33.
The Contractor shall submit progress report of their work weekly to
HPCL/Architect.
34.
The Contractor at site will maintain Instruction Books serially numbered
having one original and three copies of each page so that representatives of
the HPCL /Architects shall issue instructions regarding progress and quality
of work to the Contractor. The Contractor or Contractor's representative will
sign in the Instruction Book in token of receipt and understanding of such
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
instructions. The contractor shall also maintain Hindrance Register on site
and shall register the hindrance in the same during the progress of the work.
35.
The bills will be submitted in the standard measurement / bill proforma only,
approved by HPCL.
36.
If the performance of the successful Contractor is found to be unsatisfactory,
HPCL reserves the right to cancel in part or whole of the Contract and get
the works executed through alternate means at the entire risk and cost of the
selected Contractor.
37.
In case the Contractor abandons the work in spite of notice, HPCL shall issue
the final notice to the Contractor to remain present at site on due date and
time as per notice, HPCL / Architect’s representative will take unilateral
measurements of abandoned work which will be binding on the Contractor
and the balance work will be carried out by any agency at the entire risk and
cost of the Contractor.
Corporation reserves the right to take action as deemed fit which is inclusive
of putting the manufacturer under suspension / holiday, in case of
withdrawal of Offer at any stage, non-acceptance of LOI / PO or any other
breach of Tender terms and conditions.
38.
The Contractor shall dispose of all debris materials.
Dispose off the surplus partitions, ceiling, flooring and other dismantled
materials from the premises to outside the Municipal limits or as permitted
by the local authorities, irrespective of lead and mode of transportation
involved.
If the Contractor fails to do so and dumps the debris adjacent to the site,
no extra payment shall be payable for re-handling of the same.
39.
It will be responsibility of the Contractor to get the works approved and
obtain certificate for all plumbing and electrical work or any other work
requiring the permission from local authority from the local Municipal / other
Government / required authorities, if required.
40.
The Contractor will abide by rules and regulations, by laws and statutes etc.
imposed by the Government / semi Government and other local authorities
such as Municipality etc., for execution of his job.
41.
Any damage caused to the existing facilities while carrying out the work shall
be made good by the Contractor at his own risk and cost to the entire
satisfaction of HPCL and Architects.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
42.
The Contractor shall submit the declaration applicable (attach herewith –
“Declaration Non-blacklisted / Non banned party”) while submitting the
quotation duly completed in all respects.
43.
Successful Contractor will comply with the provisions of all current Labour
Laws during the progress of the work. The contractor shall obtain all the
permission as per the provisions of labour laws and display the same at the
premises. Please refer clause no. 6.e.3 of General Terms & conditions.
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
Annexure - II
SPECIAL INSTRUCTIONS
Tenderer should specially note the following.
(1)
Rates quoted by the Tenderer shall be valid for a period of 90 days from the
date of opening the tender. Please read in conjunction with General
instructions clause no. 9.
(2)
No upward revision of rates will be accepted after opening the tender.
(3)
If the tenderer fails to accept the work order issued at the rates originally
quoted by him or at rates negotiated subsequently, as the case may be, the
Earnest Money shall be forfeited.
(4)
The rates, at which the Work Order is finally placed on the successful
Tenderer, shall be valid till the completion of the work.
(5)
Time Limit: - The entire work shall be completed within 120 days (One
hundred and twenty days) from the handing over of site.
(6)
While executing the work the contractors have to ensure that no
inconvenience whatsoever is caused to the other office premises functioning
in said building.
(7)
Adequate number of fire extinguishers, first aid boxes, must be provided
on the site by the contractor.
(8)
In case of any delay in completion of the work within the period stipulated
above, liquidated damages at the rate of 0.5% of the contract value per week
of delay or part thereof subject to maximum 5% of the value of the contract
shall be recovered from the contractor.
(9)
The Price Bid shall be unconditional. Corporation reserves the right to reject
the tender submitted with the conditional price bid.
(10) Contractor should be capable to work round the clock as desired during
execution of job.
The existing office is surrounded with the commercial / residential area,
accordingly, due care/safety need to be followed by the contractor to avoid
disturbance.
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(11)
Contractor has to deploy 1 no. exclusive safety supervisor for continuous
supervision of safety during the execution of job on daily basis. The contractor
will be totally responsible for the safety & security of the job being carried out
by them. The safety supervisor should have dedicated mobile phone with him
all the time.
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Annexure - III
SPECIAL TERMS & CONDITIONS
1. The successful tenderer to station their duly authorized representative in
Mumbai during the period of Contract and the representative shall always be
available in Mumbai to deal with all matters concerning this Contract.
2. HPCL proposes to dispose-off the existing materials and interiors at 1st Floor
(as per Annexure - XII) on “As is where is basis”; accordingly the tenderer has
to offer their rates against the line item no. 1 for “Buy back – Misc. Various
items” as per price bid . Scopes of job includes dismantling and taking away /
clear the debris before commencing the job.
3. Time Limit
The entire work shall be completed within 120 DAYS from the date of
handing over of the site. The commencement of the works shall be the date
handing over of side by HPCL. If there is a time gap between the completion /
handing over of one phase to starting of the second phase, the same shall be
recorded and not be considered for calculation of time for project.
4. Hindustan Petroleum Corporation Limited will not pay any mobilisation
advance for the Contract.
5. Terms of Payment
The following terms of payment shall apply:
a) Payment will be made within 15 days after submission of bills certified by
Architect & HPCL.
b) Hindustan Petroleum Corporation Limited will not pay any mobilisation
advance for the Contract.
c) Running bills will be paid based on measurements as assessed by HPCL /
Architect, taking into consideration work in progress. Job partially
completed will also be taken into consideration depending on the HPCL /
Architect’s discretion.
d) Any work done at factory will not be counted in the running account bills
until the material is brought to the site of work.
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Progressive / Stage wise payment will be as under:
1) 50% - Payment will be made after receipt of material at the site. Vendor to
specify the item no. in BOQ for which they have brought the material. They
are also required to get the certification from the Architect / HPCL for the
quantity of job to be executed against the various items mentioned in the
BOQ for which material is brought-in. Based on those quantities, 50 % of the
payment will be released as mentioned above.
2) 30% - Payment will be made after erection of material brought-in and after
completing the quantity against which the payment for Sr. No. 1 was
released.
3) 20% - Payment will be made after complete finishing/completion of the job for
which the payments were released earlier as mentioned in Sr. No. 1 & 2.
Finishing / completion will be considered as no other job is left out to be done
on that particular item/ job and are completed to the fully satisfaction of
Architect / HPCL.
4) In case, the partial payment is not released earlier for any particular item/
job, Vendor can raise the bill by combining one or more stages as mentioned
above.
10% of amount will be deducted from all the above payment as retention money, in
case the Performance Bank guarantee is not given for the same. Refer item no. 11 of
General Terms & Conditions.
The above payment terms to be read in conjunction with Payment Terms mentioned
in clause no.7 of General Terms & Conditions
6. Disbursement of work
Only one vendor is required for complete execution of job.
7. Security Norms
The Contractor shall follow strictly the norms of security observed by HPCL
while working the premises of HPCL.
8. Electric Supply
Power connection for the construction work is available in the building. All
necessary connection from mains to be arranged by the contractor. The
electric charges during the work paid shall be born by contractor.
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Contractor has to arrange to separate sub meter for determination of the
electricity consumed by him for the execution of the job.
9. Programme of work and progress reports: The successful Contractor will have
to submit a detailed Bar Chart indicating the schedule of various activities
from the date of commencement till completion and get the same approved by
the Architect / HPCL. Once the Bar Chart is approved by HPCL, Contractor
shall strictly adhere to the same. This programme shall form part of the
Contract and shall be binding on the Contractor. However, the HPCL
reserves the right to alter the programme, if necessary, from time to time. No
claim whatsoever of any nature by the Contractor on this account shall be
entertained by HPCL. They shall also have to write their requirements about
co-ordination from other agencies working at site. In addition to this,
following further information should also be furnished.
(1)
(2)
(3)
(4)
(5)
(6)
Nature of labour force required for the work.
Material procurement programme.
Details of machinery/equipment to be used.
Details of work to be executed at site and in Contractor’s factory / shop.
Requirements of electric power at site.
Arrangements made for Contractor's own security.
The Contractor will also have to furnish daily/weekly progress report
incorporating necessary details of work under execution.
10. Office / Stores on the site
The Contractor shall make his own provision for all necessary storage with
adequate security on the site in a specified area for all materials, which is
likely to deteriorate by the action of the sun, rain or other material causes
due to exposure, in such a manner that all such materials, tools, etc., shall be
duly protected from damage by whether or any other cause. All such stores
shall be cleared away and the ground left in good and proper order on
completion of this Contract unless otherwise expressly mentioned therein.
11. Testing of works and materials and preparation of samples.
The Contractor shall, if required either by HPCL/Architects shall arrange to
test materials and/or portions of the works at his own cost in order to prove
their soundness and efficiency. If after any such test, the work or portions of
the works are found, in the opinion of the Architect to be defective or
unsound, the Contractor shall pull down and re-erect the same at his own
cost. Samples of each class of materials and workmanship shall be submitted
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by the Contractor for the approval of the HPCL / Architect before
procurement and execution.
12. Notice
The Contractor shall comply with all acts and regulations for the successful
completion of the Contract works and shall give due notice and pay all fees.
13. Measurement to be recorded before work is covered up. The Contractor shall
take joint measurements with the Architect’s representative before covering
up or otherwise placing beyond the reach of measurement any item of work.
Should the Contractor neglect to do so, the same shall be uncovered at
Contractor's expense or in default thereof, no payment or allowance shall be
made for such work or the materials with which the same was executed.
14. Dimensions
Figured dimensions are to be followed in all cases. Large scale details take
precedence over small scale drawings. In general, the drawings shall indicate
the dimensions, positions and type of construction; the specifications shall
indicate the qualities and methods, and the bill of quantities shall indicate
the quantum and rate for each item of work.
Any work indicated in the drawings and not mentioned in the specifications
or vice-versa, shall be furnished as though fully set forth in both. Any
ambiguity, conflict of interpretation, errors or inconsistencies discovered in
the drawings / documents shall be promptly brought to the attention of the
HPCL and the Architect. Generally, the provisions giving more rigorous
interpretation shall prevail, but in the event of disagreement between the
Contractors and the supervisor, decision of engineer-in-charge shall be final.
In case of any discrepancy, the Contractor is to ask for an explanation before
proceeding with the work.
15. Action where there is no specification
In case of any class of work over which there is no specification mentioned,
the same shall be carried out in accordance with the latest Indian Standard
Specifications subject to the approval of the Architect and HPCL.
16. Clearing the site of works
The Contractor shall clear the site of works as per the instructions of HPCL/
Architect. The site of works shall be cleared of all men, materials, sheds etc.,
belonging to the Contractor. The site shall be delivered back to the HPCL in a
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clean and neat condition as required by the Architect within a period of one
week after the job is completed. In case of failure by the Contractor, the
HPCL will have the right to get the site cleared at the risk and cost of the
Contractor.
17. Occupation of partially completed portion by the HPCL.
The HPCL shall be entitled to and will be at liberty to occupy even the
partially completed portion of the work by themselves or through their agents
and servants if they so desire. Necessary extension of time for completing the
work shall, however, be granted to the Contractor but he shall have no claim
for any compensation whatsoever due to the delay, if any, involved in
completing the work on account of partial occupation.
18. Typographical or Clerical Errors
HPCL clarifications regarding partially omitted particulars or typographical
or clerical errors shall be final and binding on the Contractor.
19. Insurance
The Contractor shall provide adequate insurance cover as per the General
Terms & Conditions.
20. Information to be furnished to HPCL on completion of work
The Contractor, on completion of work shall furnish in a tabulated form, all
pertinent and necessary information regarding the material, hardware, metal
work, glass etc., used in the items of work. The information also to contain
the names of such agencies that are specialized for certain items like
melamine polishing, exclusive hardware etc. This tabulated information is to
help the HPCL in maintaining their office building after defects liability
period is over.
21. Performance Guarantee for all bought out items
Contractor shall submit written performance guarantee for all bought out
items from him as well as from manufacturers.
22. As Built Drawings
Contractor shall within one month of completion of work submit `As Built'
drawings (original tracings and 3 sets of prints) of all the works carried out
by him. Contractor will not receive final payment in case of failure to comply
with this condition.
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23. Documents to be complementary
All Sections of Contract Documents and working drawings shall be
complementary to each other. In case of ambiguities, discrepancies or
contradictions between any two sections, HPCL / Architect decision shall be
final and binding on the Contractor for interpretation of it.
24. Contractors Superintendence
The Contractor shall appoint a qualified Architect / Interior Designer and
experienced engineer to supervise the work at site. The Contractor shall
obtain the approval from HPCL / Architect about competence of such person.
25. Inspection by Contractor
The Contractor shall inspect all the works and satisfy himself before it is
offered for inspection to the HPCL / Architect.
26. Removal of Debris
Contractor shall arrange to dispose off debris, wood shaving and any other
waste product created while carrying out the work, outside HPCL's premises.
The Contractor shall take due care while disposing of such waste materials
and ensure that any rules/regulations laid down by Municipal Corporation/
HPCL or any other statutory Body are not violated. The Contractor shall be
responsible and answerable to any complaint arising out of improper disposal
of wastage. Quoted rate shall involve the cost of it and no extra payment
shall be made towards this account.
27. Mock-up
The Contractor shall prepare a mock-up of each item, if required, strictly in
accordance with the specifications free of cost, for approval of HPCL /
Architect. The work on these items shall proceed further only after the
approval of the mock-up.
28. Rates quoted by the Contractor for the works to be carried out shall be valid
for all floors including basement.
29. The Contractor shall submit original copies of invoices, order forms for any
materials purchased for project work, to HPCL / Architect.
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30. The Contractor shall calculate realistic quantities after receipt of drawings
and it can be after submitting first interim bill but before submitting the
second interim bill to HPCL / Architect.
31. Works at Night
The Contractor is required to work at night in order to complete the work
within the time schedule. The Contractor shall provide and maintain at his
own cost sufficient lights to enable the work to proceed satisfactorily without
danger. Approach road to the site also shall be sufficiently lighted by the
Contractor. No extra payments will be made for night work.
32. The rates quoted by the tenderer in the schedule of quantities will be deemed
to be for the finished work and shall include all charges for :
a)
d)
Labour, maintenance, fixing, arranging, cleaning, making good,
hauling etc.
Plant, double scaffolding, frame work, English ladders, ropes, nails,
spikes, tools, materials and workmen, protection from weather,
temporary supports, platform and the maintenance of the same.
Covering for the walling and other works during inclement weather or
strikes or whenever directed, as necessary.
All temporary canvas, lights, tarpaulin, barricade, water shoots etc.
e)
All measures required to be taken for protection of existing works.
f)
All such temporary weatherproof sheds at such places and in a manner
approved by the Architect for the storage and protection of materials
against the effects of sun and rain.
g)
All tests of materials.
h)
No tools and plants shall be issued by the HPCL under the Contract.
b)
c)
33. Escalation :
The rates quoted by the contractor shall be inclusive of all taxes and shall
remain valid till the completion of the works. No escalation shall be paid by
HPCL for any reason whatsoever.
34. Inspection of Work: During progress of the work the Engineer or any other
representative of the company shall be entitled at all times to have access to
and inspect the work.
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35. Supervision: The contractor shall provide one or more competent and
technical supervisors duly and fully authorised to act on his behalf in all
matters relating to the works to be carried out under or any other matter
concerning this agreement and who shall at all times be present at the works
when any work is in progress. Such supervisors shall be persons of known
experience and be approved by the company-authorised representative before
they are permitted in any way to take charge of, or superintend any operation
of the works. Any directions, explanation, instructions or notices in
connection with the work given by the company’s authorised representative
to the supervisor or any one of them shall be deemed to have been given to
the contractor.
36. Payment of Work Done: During the progress of the work, the contractor, at
the sole discretion of the company’s authorized representative may receive
interim payment up to a maximum of 90 %. Proportionate to the amount of
work performed, after such work has been inspected and approved by such
representative. Payments of the final bill will be made after adjusting the
interim payments, and retention money.
37. Defective Work/ Materials: If any part of the work done by the contractor shall
be found defective in workmanship or if bad or inferior materials have been
used, the contractor shall at his own risk and cost demolish all such defective
work and rebuild the same and/ or replace the bad or inferior materials used,
to the satisfaction of the company’s authorised representative. The decision of
the company’s authorised representative in this regard shall be final and
binding on the contractor. In case of default of the contractor to remove the
defective work and rebuild the same or replace the bad or inferior materials as
aforesaid, as directed by the company’s authorised representative, the
company shall be entitled to employ anyone else to carry out the same and
recover all expenses incurred in this regard from the contractor.
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Annexure - IV
SAFETY CODE
Schedule A
(i)
Suitable scaffolds should be provided for workmen for all the works that
cannot safely be done from the ground or from solid construction except such
short period work as can done safely from ladders. When a ladder is used an
extra Mazdoor shall be engaged for holding the ladder and if the ladder is
used for carrying materials as well, suitable footholds and hand holds shall
be provided on the ladder and the ladder shall be given inclination not
steeper than 1/4 to 1 (1/4 horizontal and 1 vertical).
(ii)
Scaffolding or staging more than 300 mm above the ground or floor, swung or
suspended from an overhead support or erected with stationary support shall
have a guard rail properly attached, bolted, braced, and otherwise secured at
least 900mm high above the floor or platform of such scaffolding or staging
and extending along the entire length of the outside and ends thereof with
only such openings as may be necessary for the delivery of materials. Such
scaffolding or staging shall be so fastened as to prevent it from swaying from
the building or structure.
(iii)
Working platform, gangways and stairways be so constructed that they
should not sag unequally and if the height of the platform or the gangway or
the stairway is more than 3-6M above ground level or floor level, they should
be closely boarded, should have adequate width and should be suitably
fastened, as described in (ii) above.
(iv)
Every opening in the floor of a building or in a working platform to be
provided with suitable means to prevent the fall of persons or materials by
providing suitable fencing or railing whose minimum height shall be 900 mm.
(v)
Safe means of access shall be provided to all working platforms and other
working places. Every ladder shall be securely fixed. No portable single
ladder shall be over 9 M in length while the width between side rails in rung
ladder shall in no case be less than 300 mm for ladder up to and including 3
M in length. For longer ladders, this width should be increased at least 6 mm
in for each additional foot of length. Uniform steps spacing shall not exceed
300 mm. Adequate precautions shall be taken to prevent danger from
electrical equipment. No materials on any of the site of work shall be so
stacked or placed as to cause danger or inconvenience to any person or the
public. The Contractor shall also provide all necessary fencing lights to
protect the public from accident, and shall be bound to bear the expenses of
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defense of every suit, action or other proceedings at law that may be brought
by any person for injury sustained owing to neglect of the above precautions
and to pay any damages and costs which may be awarded in any such suit
action or proceedings to any such persons or which may with the consent of
the Contractor be paid to compromise any claim by any such person.
(vi)
All trenches, 1.2 M or more in depth, shall at all times be supplied with at
least one ladder for each 30 M in length or fraction thereof. Ladder shall be
extended from bottom of the trench to at least 900 mm above the surface of
the ground. The said of the trenches which are 1.5 M or more in depth shall
be stopped back to give suitable slope or securely held by timber racing so as
to avoid the danger of sides to collapse. The excavated material shall not be
placed within in 1.5 M of the edge of the trench or half of the depth of the
depth of the trench, whichever is more. Cutting shall be done from top to
bottom. Under no circumstances undermining of undercutting shall be done.
Demolition:
(vii)
Before any demolition work is commenced and also during the progress of the
work.
(a)
All roads and open areas adjacent to the work site shall either be
closed or suitably protected;
(b)
No electric cable or apparatus which is liable to be a source of danger
over a cable or apparatus used by the operator shall remain electrically
charged.
(c)
All practical steps shall be taken to prevent danger to persons
employed from risk of fire or explosion or flooding. No floor, roof or
other parts of the building shall be so overloaded with debris of
materials as to render it unsafe.
(viii) All necessary personal safety equipment as considered adequate by the
Architects should be kept available for the use of the person employed on the
site and maintained to a condition suitable for immediate use and the
Contractor should take adequate steps to ensure proper use of equipment by
those concerned.
(a)
Workers employed on mixing asphalt materials, cement and lime
mortars shall be provided with protective footwear and protective
goggles.
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(b)
Those engaged in white washing and mixing or stacking of cement
bags or any materials which are injurious to the eyes shall be provided
with protective goggles.
(c)
Those engaged in welding works shall be provided with welder's
protective eyesight lids.
(d)
Stone breakers shall be provided with protective goggles and protective
clothing and seated at sufficiently safe intervals.
(e)
When workers are employed in sewers and manholes which are in use,
the Contractor shall ensure that the manhole covers are opened and
are ventilated at least for an hour before the workers are allowed to get
into the manholes so opened shall be cordoned off with suitable railing
and provided with warning signals or boards to prevent accident to the
public.
(f)
The Contractors shall not employ men or women below the age of 18
years and women on the work of painting with products containing
lead in any form. Wherever men above the age of 18 years are
employed on the work of lead painting, the following precautions
should be taken.
(1)
No paint containing lead or lead products shall be used except in the
form of paste, or ready-made paint.
(2)
Suitable face masks should be supplied for use to the workers when
paint applied in the form of spray or a surface having lead paint dry
rubbed and scrapped.
(3)
Overalls shall be supplied by the Contractors to the workmen and
adequate facilities shall be provided to enable the working painters
during and on cessation of work.
(ix)
When the work is done near any place where there is risk of drowning, all
necessary equipments should be provided and kept ready for the use and all
necessary steps taken for prompt rescue any of person in danger and
adequate provision should be made for prompt first aid treatment of all
injuries likely to be sustained during the course of the work.
(x)
Use of hoisting machines and tackle including their attachments, anchorage
and supports shall conform to the following standards or conditions:
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(1)
(a)
These shall be of good mechanical construction, sound material and
adequate strength and free patent defect and shall be kept in good
working order.
(b)
Every rope used in hoisting or lowering materials or as a means of
suspension shall be of durable quality and adequate strength and free
from patent defects.
(2)
Every crane driver or hoisting appliance operator shall be properly qualified
and no person under the age of 21 years should be in charge of any hoisting
machine including any scaffolding or give signals to the operator.
(3)
In case of every hoisting machine and every chain hook, shackle swivel and
pulley block used in hoisting or lowering or as means of suspension, the safe
working load shall be ascertained by adequate means. Every hoisting
machine and all gear referred to above shall be plainly marked with the safe
working load, In case of a hoisting machine having a variable safe working
load, each safe working load and the condition under which it is applicable
shall be clearly indicated. No part of any machine or any gear referred to
above in this paragraph shall be loaded beyond the safe working load except
for the purpose of testing.
(4)
In case of departmental machines, the safe working load shall be notified by
the Architect. As regards to contractor's machines, the Contractor shall notify
the safe working load on the machine to the Architect whenever he brings
any machinery to site of work and get it verified.
(xi)
Motors, Gearing, Transmission, Electric Wiring and other dangerous parts of
hoisting appliances should be provided with efficient safeguards. Hoisting
appliance should be provided with such means as will reduce to the minimum
the risk of accidental descent of load. Adequate precautions should be taken
to reduce to the minimum risk of any part of a suspended load becoming
accidentally displaced. When workers employed on electrical installations,
which are already energised, insulating mats, warring apparel, such as
gloves, sleeves and boots as may be necessary should be provided. The
workers should not wear any rings, watches and carry keys or other
materials, which are good conductors of electricity. All scaffolds, ladders and
other safety devices mentioned or described herein shall be maintained in
safe condition and scaffold, ladder, or equipment shall be altered or removed
while it is in use. Adequate washing facilities should be provided at or near
place of work.
(xiii) These safety provisions should be brought to the notice of all concerned by
display of a notice board at a prominent place at the works. The person
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responsible for compliances of the safety code shall be named therein by the
Contractors.
(xiv) To ensure effective enforcement of the rules and regulations relating to safety
precautions, the arrangements made by the Contractors shall be open to
inspection by the Architect.
(xv)
Not withstanding the above clauses from (i) to (xiv) there is nothing in these
to except the Contractor from the operation of any other Act or rules in force
in the Republic of India.
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Annexure - V
PREAMBLE
This tender is for interior/ renovation works at HPCL,GMO-WZ ,R&C
Building,Byculla,Mumbai-8, as per the layout done for the interior work for
partitions with new cabins, modular furniture, flooring and false ceiling, Civil,
Plumbing, Sanitation & Electrical work.
Work is to be carried out round the clock, including Saturdays, Sunday, Holidays.
The materials / item generated out of dismantling to be carted away from the
building premises on the same days as they cannot be kept in the building nor
outside the building premises. BMC / MPT will not permit to dump the dismantled
material behind the building and as such this may be followed strictly.
In case the material is dumped and subsequent notice is issued by the abovementioned local authorities, Contractor has to settle the issue immediately without
involving HPCL.
Contractor has to ensure that while executing this job other offices work is not
affected for bringing in materials for renovation / interior works, under no
circumstances lifts of the building shall be used for the said job.
Completion period is 120 Days from the date of handing over of site and time is the
essence of the contract. Contractor has to ensure that this is adhered to strictly.
Power connection for the construction work is available in the building. All
necessary connection from mains to be arranged by the contractor. The electric
charges during the work paid shall be borne by contractor.
The contractor has to arrange his own security arrangements for safety of his
materials and keep his own records about the same. HPCL will not be responsible
for loss of any such materials belonging to the contractor.
The contractor shall employ a 1) full time supervisor 2) Full time safety supervisor
3) Electrician & 4) Helper during the progress of the work for any such
eventualities that may arise while the work is in progress.
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Annexure - VI
DECLARATION NON BLACKLISTED / NON BANNED PARTY
WE CONFIRM THAT WE HAVE NOT BEEN BANNED OR DELISTED BY ANY
GOVERNMENT OR QUASI GOVERNMENT AGENCIES OR PUSs.
---------------------------------------------------------------------SEAL, SIGNATURE & NAME OF THE TENDERER
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Annexure - VII
ORGANISATION DATA TO BE SUBMITTED BY BIDDER WITH TENDER.
NAME OF ORGANISATION
ADDRESS
CONTACT PERSON
TELEPHONE NUMBERS
FAX NUMBERS
E-MAIL ADDRESS
CELL PHONE NUMBER
---------------------------------------------------------------------SEAL, SIGNATURE & NAME OF THE TENDERER
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Annexure - VIII
DEVIATION SHEET
TENDER NO: 10000011 – HB – 11350 DATED 28.07.2010
SUBJECT: INTERIOR / RENOVATION WORKS AT HPCL, GMO – WZ, R & C
BUILDING BYCULLA, MUMBAI - 08
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
-------------------------------------------------------------------SEAL, SIGNATURE & NAME OF THE TENDERER
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Annexure - IX
TECHNICAL SPECIFICATIONS
Interior Works
GENERAL
This Specification is for work to be done, item to be supplied and materials to be
used in the works as shown and defined on the drawings and described herein, all
under the supervision and to the satisfaction of the Architect.
1.1
The workmanship is to be the best available and of a high standard, use must
be made of a special trades men in all aspects of the work and allowance
must be made in the rates for doing so.
1.2
The materials and items to be provided by the Contractor shall be approved
by the HPCL / Architect in accordance with any samples which will be
submitted for approval by Contractor and generally in accordance with the
Specifications. Also if products are specified in the Specification and/or bill of
brand, trade name or catalogue reference, the Contractor will be required to
obtain the approval of the Architect before using materials. The Contractor
shall produce all invoices, Vouchers or receipts for any material if called upon
to do so by the Architect / HPCL.
1.3
Samples of all materials are to be submitted to the Architect for approval
before the Contractor orders or deliver the materials at site. Samples
together with their packing are to be provided free of charge by the
Contractor and should any materials be rejected, they will be removed from
the site within 48 hours at the Contractor's expense. All samples will be
retained by the HPCL / Architect for comparison with materials which will be
delivered at the site. Also, the Contractor will be required to submit specimen
finishes of colors, fabrics etc. for the approval of the Architect before
proceeding with the work.
1.4
The Contractor shall be responsible for providing and maintaining and
boxing or other temporary converges required for the protection of dresses or
finished work if left unprotected. He is also to clean out all shelving’s, out
ends and other waste from all pairs of the works before coverings or infillings are constructed.
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1.5
Templates, boxes and moulds shall be accurately set out and rigidly
constructed so as to remain accurate during the time they are in use.
1.6
All unexposed surface of timber e.g. false ceiling, backing fillets, backs of door
frames, cupboard framing, grounds, etc. are to be treated with two coats of
approved timber preservative before fixing or converging.
1.7
Only first class workmanship will be accepted. Contractor shall maintain
uniform quality and consistency in workmanship throughout.
Joinery:
2.1
Joinery is to be prepared immediately after the placing of the Contract.
framed up, bonded and waged up. Any portions that are wrapped or found
with other defects are to be replaced before wedging up. The whole of the
work is to be framed and finished in a workmen-like manner in accordance
with the detailed drawings wrought and wherever required, fitted with all
necessary metal ties, straps, belts, screws, glue etc. Running beaded joints
are to be cross-stoned with teak tongues wherever 1(1/2) thick double cross
tongued. Joiners work generally to be finished with fine sand/glass paper.
2.2
Joints: - All joints shall be standard mortise and tenon, dowel, dovetail, and
cross halved. Nailed or glued butt joints will not be permitted. Screws, nails
etc. will be standard iron or wire of oxidised nettle fold tenons should fit the
mortises exactly.
2.3
Nailed or glued butt joints will not be permitted, except in exceptional cases
with approval of Architect.
2.4
Where screws are shown on a finished surface, those will be sunk and the
hole plugged with a wood plug of the same wood and grain of the finished
surfaces will be neatly punched and the hole filled with wood filler to match
the colour.
2.5
Should joints in joiner's work open, or other defects arise within the period
stated for defect liability in the contract and the clause thereof be deemed by
the Architect to be due to such defective joinery shall be taken down, and
refilled, redecorated and/or replaced if necessary and any work disturbed
shall be made good at the Contractor's expense.
2.6
Nails, spikes and bolts shall be of lengths and weights approved by the
Architect. Nails shall comply with is 1959-1960 or equivalent approved
quality sample. Brass headed nails are to comply with B.S.1210. Wire staples
shall comply with B.S 1494 or equivalent.
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The contact surface of dowels, tenons, wedges etc., shall be glued with an approved
adhesive.
Where glued, joinery and carpentry work is likely to come into contact with
moisture, the glue shall be waterproof.
3.0
HARDWARE & METALS:
The hardware throughout shall be of approved manufacture or supplier well
made and equal to in every respect to the samples to be deposited with the
Architect. The Contractor may be required to produce and provide samples
from many different sources before the Architect take decision and he should
allow his rates for doing so.
3.1
Fittings generally shall be brass oxidised, unless otherwise specified and
shall be suitable for their intended purpose. In any case, it will have to be
approved by Architect before the Contractor procures it at site of work.
3.2
Screws are to match the finish of the article to be fixed, and to be round or
flat headed or counter sunk as required.
3.3
The Contractor should cover up and protect the brass and bronze surfaces
with thick grease or other suitable productive material, renew as necessary
and subsequently clean off away on connection.
3.4
Aluminum and stainless steel shall be of approved manufacture and suitable
for its particular application. Generally, the surface of aluminum shall have
an anodised finish and both shall comply with the samples approved by the
Architect. All stainless steel sheets shall be 304 s. s Japan or equivalent with
gauge as specified but not thinner than 16 G.
3.5
All steel, brass, bronze, aluminum and stainless steel articles shall be
subjected to a reasonable test for strength, if so, required by the Architect at
the Contractor's expense.
3.6
All brazing and welds are to be executed in a clean and smooth manner
rubbed down and left in the flattest and tidiest way, particularly where
exposed.
3.7
Chromium plating shall be as per approved specification for normal outdoor
conditions and shall be on a base material of copper or brass.
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4.0
GLAZIER:
4.1
All glass to be of approved manufacturer complying with IS 3548-1966 as per
approved quality and sample to be of the selective qualities specified and free
from bubbles, smoke, air holes and other defects.
4.2
Polished plate glass shall be "glazing glass" (G.G) quality and that for mirrors
shall be "silvering quality" (S.G) conforming to IS 3438-1965 or as per
approved sample and quality.
4.3
The compound for glazing to metal is to be a special non-hardening compound
manufactured for the purpose and of a brand and quality approved by the
Architect.
4.4
While cutting glass, proper allowance is made for expansion. Each square of
glazing to be in one whole sheet. On completion of work clean all glass inside
and cut, replace all cracked scratched and broken panes and leave in good
condition.
5.0
PAINT AND POLISHES:
5.1
All material required for the works shall be of specified and approved
manufacturer, delivered to the site in the manufacturer's containers with the
seals etc., unbroken and clearly marked with the manufacturer's name or
trade mark with a description of the contents and colour. All materials are to
be stored on the site of the work.
5.2
Spray painting with approved machines will be permitted only if written
approval has been obtained from the Architect prior to painting. Neither
spraying will be permitted in the case of priming costs nor where the soiling
of adjacent surfaces is likely to occur. The nozzle and pressure to be so
operated as to give an even coating throughout to the satisfaction of the
Architect. The paint used for spraying is to comply generally with the
specification concerned and is to be specially prepared by the manufacturer
for spraying. Thinning of paint made for brushing will not be allowed.
5.3
Wood preservative shall be Solignum or other equal and approved
impregnating wood preservative and all concealed woodwork shall be treated
with wood preservative.
5.4
All brushes, tools, pots, kettles etc. used in carrying out the work shall be
clean and free from foreign matter and are to be thoroughly cleaned out
before being used with a different type of class of materials.
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5.5
All iron or steel surfaces shall be thoroughly scraped and rubbed with wire
brushes and shall be entirely free from rust, mill scale etc. before applying
the priming coat.
5.6
Surfaces of new wood work which to be painted are to be rubbed down,
cleaned, down to the approval of the Architect.
5.7
Surfaces of previously painted woodwork which are to be painted are to be
cleaned down with soap and water, detergent solution or approved solvent to
remove dirt, grease etc. Whilst wet surfaces shall be flatted down with a
suitable abrasive and then rinsed down and allowed to dry. Minor areas of
defective paint shall be removed by scraping back to a firm edge and the
exposed surface touched in with primer as described and stopped with putty.
Where woodwork has been previously painted or polished and is to be newly
polished, scrapping, burning off or rubbing down.
5.8
Surfaces of previously painted metal which shall be painted are to be cleaned
down and flattened down as described in surfaces of any rust and loose scale
shall be removed completely by chipping, scrapping and wire brushing back
to the bare metal and touched in with primer as described.
6.0
UPHOLSTERY
6.1
This will be of first class standard workmanship with webbing, no-sag
springs, coiled springs, padding and filling as specified on drawing. Covering
fabrics will be seen, tufted, and corded as shown on the drawing and as
approved by the Architect.
6.2
Cushion Vents:Brass "Cushion Vents" should be installed at the back or under side of seat
cushions (especially those covered in leather vinyl plastic or very tightly
woven fabrics) to allow air to escape easily and to prevent torn seems.
6.3
Materials:Finished timber shall be of the type specified. Furnishing fabrics, colour,
pattern, substance to be as specified and manufactured, or supplied by the
Company specified, no variations of this will be permitted unless with prior
approval of the Architect.
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7.0
POLISH
7.1
French Polish:The basic material shall be shellac dissolved in methylated spirit.
Preparation:The timber must be well sanded and cleaned and the grain filled with grain
filler. Any staining must be done before applying the polish.
Equipment:The polishing rubber the most important implement in French polish shall
consist of a pad of cotton wool, which acts as a reservoir for the polish, and a
cover of soft white linen or cotton fabric, similar to a well-worn handkerchief
which acts as a filter. The rubber must never be dipped into the polish; it
should be changed by pouring the pouring the polish on to the pad with the
cover removed.
Application:Work evenly over the surface with a slow figure-of-eight motion until the
timber is coated with a thin layer of polish. The object is to apply a series of
thin coats, allowing only a few minutes for drying between the coats. When a
level and even-bodied surface is obtained the work is ready for the second
stage i.e. spiriting off. Allow the work to stand for at least eight hours, then
take a fresh rubber with a double thickness of cover material and charge it
with methylated spirit. The object of spiriting off into and remove the rubber
marks and to give the brilliance of finish.
Finally, work in the direction of the grain and continue until the surface is
free from smears and rubber marks then leave to harden off.
7.2
Wax Polish:Wax polish shall contain silicones and driers. A good silicon wax is to be used
not a creamy or sprays. The timber shall be sealed first with another finish
such as Ronseal, before applying the wax.
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Application:Apply a light coat of the sealer by brush or cloth direct to the unfilled timber,
working it well in and finishing evenly with the grain. Allow to dry
thoroughly then sand lightly with fine abrasive paper. Apply a heavy coat of
wax by cloth or on flat surfaces, with a stiff brush. Work it well into the
timber and finish off by stroking with the grain before leaving to harden.
Leave for several hours before rubbing up with a soft brush. Finally, buff the
grain with a soft cloth.
Transparent Coloured Polyurethane (Melamine):This shall be applied where natural grain of the wood is required to show.
Polyurethane gives tough surface which resist chipping, Scratching and
boiling water.
Application:
Clean off all grease and wax with an abrasive and white spirit, this should
not be applied in humid condition. Apply the first coat, preferably of clear
hard glaze with a cloth pad. Leave this to dry for at least six hours, and then
apply further coats with a paintbrush. If you wait for longer than 24 hours
between coats, rub down the previous coat with fine glass paper or a medium
grade of steel wool. Obtain a matt finish, if required, by giving a final coat of
clear Renseal Matt coat.
8.0
Timber:
8.1
Only seasoned Old Burma teakwood to be used.
8.2
Use of Rose Wood whenever specified only.
8.3
All the wood shall be properly seasoned, natural growth and shall be free
from worm holes, loose or dead knots or other defects, saw die square and
shall not suffer warping, splitting or other defects.
8.4
The moisture content shall not exceed 12%.
8.5
All internal frameworks shall be treated with approved wood preservative.
8.6
All wood brought to site should be clean shall not have any preservative or
other coating/covering.
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All rejected decayed, bad quality wood shall be immediately removed from site.
All wood brought to site must be stacked-stored properly as per
instructions.
9.0
PLYWOOD
9.1
Plywood/medium density fibber board/teak particleboard / Veneered board
etc., as specified in the approved list of manufacturers shall only be used.
(Block board/commercially not to be used).
9.2
Only B.W.R. grade Phenol formaldehyde bonded, hot pressed plywood
generally conforming to I.S 303 of approved make only to be used.
Marine plywood shall generally conform to I.S.710-1980 and also to Defense /
Navy specification bonded, with phenol formaldehyde, treated with wood
preservative.
9.3
9.4
Only teak wood particleboard shall be used. Particleboard shall be phenol
formaldehyde bonded and generally conform to I.S. 3087-1965.
9.5
Only 3 mm to 4 mm thick straight grained group matching approved veneers
shall be used. Only veneers laminated from species like teak, rose wood,
walnut, laurel, white cedar and mahogany, and shall be considered for
approval and use.
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TECHNICAL SPECIFICATIONS FOR CIVIL WORKS
General Civil Works
This specification covers the general requirement for excavation brick masonry,
plastering, flooring, doors, windows, ventilators, wood work, water proofing,
painting, plumbing and sanitary work etc., and such other related work forming a
part of this job which may be required to be carried out though not specifically
mentioned above. The work under this specification shall consist of furnishing of all
tools, plants, labour, materials, any and everything necessary for carrying out the
work.
Brickwork
Material-Bricks
Bricks shall be sound, hard, homogeneous in texture, well burnt in kiln without
being vitrified, table molded, deep red, cherry or copper coloured of regular shape
and size and shall have sharp and square edges and parallel of faces. The bricks
shall be free from pores, chips, flaws or humps of any kind. Bricks containing
ungrounded particles and/or which absorb water more than 1/6th of their weight
when soaked in water for twenty-four hours shall be rejected. The bricks shall give
clean/ringing sound when struck and shall have minimum crushing strength of 35
kg/sq. ct. Sample bricks shall be submitted to the engineer for approval. If
demanded by engineer brick sample shall be got tested as per I.S.-3495 by
Contractor at no extra cost to Corporation. Brick rejected by engineer shall be
removed from site within 24 hours.
Mortar
The sand used shall be free from clay, shale, loam, alkali and organic matter and
shall be of sound, hard, clean and durable particles. Sand shall be approved by
engineer. The mixed mortar shall be used within 25 minutes of mixing. Mortar left
unused beyond 25 minutes shall be rejected.
Workmanship
Workmanship shall confirm to I.S. 2212.
All bricks shall be thoroughly soaked in clean water for at least one hour
immediately before being laid. The cement mortar for brick masonry shall be as
specified in the respective item of work. Brickwork 230 thick and over shall be laid
in English bond unless otherwise specified. 115 mm thick work shall be laid with
stretchers. The thickness of joints shall be well filled with mortar with minimum
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thickness of 6mm and maximum thickness of 10 mm. The face joints shall be raked
to a minimum depth of 12 mm by raking tools daily during the progress of work
when mortar is still green. The face of brickwork shall be cleaned daily and all
mortar droppings removed. All brickwork shall be built tightly against columns
floor slabs or other structural members. Miscellaneous inserts in masonry e.g.
sleeves, wall ties, anchors conduits, structural steel, steel lintels, doors, windows
shall be installed by the Contractor at no extra cost to the HPCL.
It shall be clearly understood that the rates quoted by the contractor include for
fixing of inserts, leaving openings, cutting chases etc.
Measurement
The quantities measured and paid for shall be those actually executed after making
necessary deductions for opening etc.
Plaster Work
Material
The proportion of the mortar shall be as specified under the respective item of work.
The quality of water, sand and cement shall be as per respective I.S. code. The
mortar shall be used immediately after mixing and in no case shall be allowed to
stand in more than 25 minutes after mixing with water.
Workmanship
The surface to be rendered shall be washed with fresh clean water, free from all
dirt, loose material, grease etc., and thoroughly wetted for 6 hours before plastering
work is commenced, concrete surfaces to be rendered will however be kept dry. The
wall should not be too wet but only damp at the time of plastering.
Internal Plaster:This plaster shall be laid in two coat of (12+8) mm thickness. The mortar shall be
dashed on the prepared surface with a trowel and finished smooth by wooden floats.
Interior plaster shall be carried out on jambs, lintels, skills, and sophist as shown in
drawing or as directed by Architect. Rate quoted shall be deemed to include
plastering of all surfaces and no separate payment will be considered for any
particular, surface like jambs etc.
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Curing:Curing of both interior plaster shall be started as soon as the applied plaster has
hardened enough so as not to be damaged. Curing shall be done by continuous
applying water in a fine spray.
At places the thickness of plaster may go higher than specified thickness. In such
event Contractor shall provide chicken mesh and perform plastering in layers
without additional cost.
Measurement
The quantity of work to be paid for under this item shall be calculated by taking the
projected surface of the area plastered after making necessary deductions for
opening, doors, windows, fan openings etc. The actual plasterwork carried out on
jambs of doors, windows openings etc. shall be measured and added. However for
purposes of payment, under this item plasterwork carried on surface of items of
work, which include plaster finished shall not be taken into account.
Admixture
If directed by the Architect, the Contractor shall use approved water proofing /
water reducing admixtures in the mortar for plasterwork, in the proportion and
method prescribed by the manufacturer. Payment shall be made for actual quantity
of such admixtures used unless it is already covered in the rates for the work
concerned.
Painting and White washing
Material
Paints to be used for various items of work should be of approved make and colour.
The Contractor shall obtain THE ARCHITECT / Architect’s approval in regard to
the make and colour of paint that is proposed to be used for various items of work.
Workmanship
The painting work shall be carried out as directed by the Architect, keeping
however, in view the recommendations of the manufacturer. In case of plastic
emulsion paint, all uneven surfaces shall be made up by use of putty of appropriate
quality, after the surface has been thoroughly cleaned of all dust, dirt and sand
papered. One primer coat and two coats of emulsion shall be applied. Workmanship
shall conform to the requirements of I.S. 2395.
White washing.
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Wall to be thoroughly cleaned before white wash is applied. White wash is applied.
White wash shall be of ordinary fat lime and of good quality. It shall be slaked with
an excess of water to the consistency of a cream and allowed to remain under water
for 2 days. It shall then be strained through a cloth and 2 kg. of clean gum added for
every 1000 liters of white wash.
White wash shall be applied by brush or other approved mean.
Measurement
The actual quantity of work carried out will be measured in sq. met. after making
deduction for openings etc., and shall be paid for.
Woodwork in doors, windows etc.
Material
Wood used for all work shall be the best of class specified properly seasoned,
suitable for joiner's work, should be of natural growth, uniform in texture, straight
grained, free from sapwood, dead knots, open shakes, bore holes, rot , decay and any
and all other defects and blemishes and shall be approved by Architect
Workmanship.
The thickness specified for joiner's wrought timbers are unless otherwise specified,
prior to planning and 3 mm will be allowed from the thickness stated for each
wrought face.
Doors, windows frames, transoms, mullions shall be rebated. All dimensions shall
be as per drawings. The top framing member of doors and top and bottom framing
of windows and ventilators shall project about 150 mm in brickwork. The verticals
of door frame shall project about 50 mm below finished floor. Surface coming in
contact with brick work shall be painted with bitumen. Each of the door and
window frame shall be provided with 3 nos. M.S. 230x 25x 6 M.S. flat split hold
fasts on each side. These hold fasts shall be embedded in masonry. The work shall
confirm to I.S.: 4021. Any joiners work which shall split, fracture, shrink, or show
flaws or other defects due to unsoundness, inadequate seasoning or bad
workmanship, shall be removed and replaced with sound material at the
Contractor's expense.
The doors shall be paralleled or solid flush doors or as described in item of work.
All doors shall have fittings such as hinges, mortise, lock, towel bolts etc. as per
drawing and shall be approved by Architect.
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The workmanship of all door and window shutters shall conform to the
requirements of I.S, 1003 (part 1 & ii) and I.S. 2202 (part i).
Measurement
All doors, windows etc., will be measured in sq.mt. The measurement will be taken
to the outside of framework exclusive of horns, projections etc. The rate quoted shall
be all inclusive such as nails, screws, glazing, fixtures, fittings providing peep holes,
locking device, door closers, handles, door stops etc. The rate shall also be inclusive
of polishing/painting as described in respective items.
Ceramic tile work in flooring and dado
Material
The tiles used shall be of "Kajaria" or approved equivalent make of approved size
and shade. The tiles shall be of standard size without warp and straight edges, true
and even in shape and size and uniform colour.
Workmanship-Flooring
Tile shall be laid on a base of 12 mm thick lime mortar (1 part cement: 2 parts lime:
6 parts sand). Neat cement shall be spread at the rate of 5 kg. per 1 sq.met. area
over mortar before laying the tiles. The joints shall be filled with joint filling cement
based compound.
Dado Work
The vertical surface shall be thoroughly cleaned and wetted. Thereafter it shall be
eventually uniformly covered with about 12 mm thick 1:2 cement mortar. The back
of each tile to be fixed shall be covered with a thin layer of water proof tile adhesive
cement and the tile shall then be gently tapped against wall and fixed as per
adhesive cement manufacturer's instructions. The joints shall be very thin, uniform,
perfectly straight and truly vertical.
The joints shall be filled with joint filling cement-based compound specially
manufactured for the purpose.
Marble Flooring, Treads, Skirting-dado-risers
Material
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Size, shade and colour of marble slabs/tiles shall be approved by Corporation/
Architect before starting of the work.
Workmanship
Marble slabs/tiles shall be laid on a bed of lime mortar. The proportion of lime
mortar shall be one part of white cement: 2 parts of lime: 6 parts of sand. Thickness
of mortar bedding shall not be less than 12 mm and shall not be more than 25 mm.
Marble slabs/tiles shall be covered with white cement / snowcem paint and placed
over mortar bed and tapped gently till it is firmly and properly bedded. There
should be no hollows left. The edges of tile shall be cut to have "V" shape groove at
the joint. The cut edges shall be ground smooth. The joints shall not be more than 2
mm. The joints should run true and parallel.
The floor should be cured for one week.
Slabs/tiles laid adjoining the wall shall project 12 mm under the plaster/ dado
/skirting.
Skirting-dado-risers
The masonry surface shall be thoroughly cleaned and wetted. Thereafter it shall be
evenly and uniformly covered with 12 mm thick 1:2 cement mortar. The back of
each tile shall be covered with tile adhesive cement and then the tile shall be fined
as per manufacturer's instructions. The joints shall be filled with tile joint filling
coloured cement specially manufactured for the purpose.
Measurement
Actual area covered shall be measured and paid for. No allowance or consideration
shall be given for wastage or difference in method of measurement as done in
market and as mentioned above.
Granite flooring-threads -skirting dado-risers etc.
Material
The Architect shall approve size, shade and colour of granite slabs/tile before
starting the work.
Workmanship & measurement
Workmanship and method of measurement shall be same as that of marble except
gray cement shall be used in place of white cement. The joints shall be filled with
coloured joint filling cement compound specially manufactured for the purpose.
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Siporex Block masonry.
Material
Material shall be light weight foamed concrete blocks as manufactured by siporex
India Ltd.
Workmanship
Workmanship shall be as given by Siporex India Ltd., in their construction manual.
Measurement
Actual area constructed shall be measured and paid for after making Waterproofing.
Material
Brickbat used for the purpose of waterproofing shall be approved quality.
Workmanship
Workmanship of this item shall be as per M/s. India water proofing Co.'s
specifications.
Measurement
Actual area covered shall be measured and paid for after making deductions for
opening etc.
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REPAIRS TO EXISTING STRUCTURE
1.
Material
The quality of sand, cement and water shall be as per respective I.S. Codes.
1.1
Workmanship
Existing plaster, dado and / or any surface treatment over concrete surface
shall be chipped off carefully from the damaged surface. Inside concrete
surface shall be examined thoroughly and all cracked/damaged concrete shall
be removed. Corroded reinforcement shall be cleaned by hammering, wire
brushing and finally by acetone till all the corrosion products are cleaned off.
Additional reinforcement bars shall be welded to existing reinforcement bars
with suitable welding electrodes.
Wire mesh of specified quality shall be fixed over the portion and then
surface gunited with 1:3 cement and sand mix to specified thickness. Re
bounce materials shall be collected and disposed off. Re bounce material shall
not be used. Gunited surface shall be leveled and floated when surface is still
workable. Contractor shall carry out wash test to determine cement contents
as and when so instructed by Architect. Also water absorption test, Quoted
rate shall include cost of conducting such tests and no extra payment shall be
made for the same.
1.2
Measurement
Actual quantity executed shall be measured and paid for after making
deductions for openings etc.
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ELECTRICAL TECHNICAL SPECIFICATIONS
PART II: MATERIAL AND WORKMANSHIP
1.
LIGHTING/POWER DISTRIBUTION BOARDS:
SCOPE:
The specification covers design, manufacture, testing and commissioning of
lighting/power distribution boards.
STANDARDS:
The design, manufacture and testing of lighting/power distribution board
shall comply with the latest issue of following standards:
IS - 2675
:
Specification for enclosed distribution
fuse boards and cut-outs for voltages
not exceeding 1000 Volts.
IS - 4237
:
General requirement for switch-gear
And control gear for voltages not
exceeding 1000 Volts.
IS - 375
:
Specification for marking and general
arrangement for switch-gear, bus-bar,
main connection & auxiliary wiring.
IS - 2147
:
Degree of protection provided by
enclosure for low voltage switch-gear.
BS - 3871
(Part-I)
:
Specification for miniature circuit
breakers
1.3.
CONSTRUCTION:
1.3.1.
Lighting/power distribution board shall be cubical type suitable for wall
mounting or recessed mounting. It shall be totally enclosed, completely
dust proof and vermin proof.
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1.3.2.
Sheet steel work shall be of high quality and shall be free from burrs.
1.3.3.
Sheet steel used for the body and door shall be at least 2mm. thick, while
the base angle/sheet shall be at least 3mm. thick.
1.3.4.
Lighting/power distribution board shall have one hinged door which will
cover the entire front portion. The door shall be provided with gasket to
make the equipment dust tight and also with insulated quick turn screws.
1.3.5.
Design shall be dead front type. No live components shall be mounted on
door.
1.3.6.
Adequate space shall be provided for termination of aluminum/ copper
cables and wires.
1.4.
BUS-BARS:
1.4.1.
Phase and neutral copper bus-bars shall be provided at the top for the
entire length of the lighting/power distribution board.
1.4.2.
The bus-bars support shall be of non-hygroscopic antitracking material.
1.5.
WIRING AND TERMINAL:
1.5.1.
The lighting/power distribution board shall be factory wired.
1.5.2.
Flexible copper wires shall be used for internal wiring.
1.5.3.
Elmex type terminal blocks shall be provided for all outgoing phase wires.
1.5.4.
For neutral terminals, brass neutral terminal block shall be provided. It
should have spare capacity of at least 10%.
1.6
CABLE ENTRY:
1.6.1.
Cable entry for incomer shall be from bottom/top but entry for outgoing
circuit shall be from top.
1.6.2.
Removable sheet steel plates shall be provided for conduit entry/cable
entry.
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1.6.3.
Compression type plate brass cable gland shall be provided for
incoming/outgoing cables.
1.7.
MOULDED CASE CIRCUIT BREAKER (MCCB) / MINIATURE CIRCUIT
BREAKER (MCB):
1.7.1.
Bakelite shrouds shall be provided for all the live terminals and only dollies
shall project outside for operation.
1.7.2.
The dollies shall be made of phenolic material. The dollies made of nylon
material shall not be accepted.
1.7.3.
The MCCB/MCB housing shall be made of melamine powder.
EARTHING:
Two numbers earthing terminals shall be provided on either side of the
lighting/power distribution board.
1.9.
INSPECTION AND TESTING:
Inspection:
The inspection shall consist of following, but shall not be limited to the
same
i) Appearance and construction.
ii) Dimensions, mounting details etc.
iii) Feeder arrangement and feeder details.
iv) Door alignment, gaskets etc.
Tests:
The following tests shall be carried out Insulation resistance:
The insulation resistance shall be measured between phases, between
phase and neutral and between phase and earth. The insulation
resistance shall be measured with 1000 Volts meager, both before and
after high voltage power frequency test. The insulation resistance shall
not be less than two mega ohm in any case.
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High voltage power frequency test:
This test shall be carried out by applying a voltage of 2.5 KV for a
minute.
a) between all three phases and earth.
b) between phases.
c) between phases and neutral.
If the result of inspection and tests are not satisfactory, the defects shall be
rectified and tests shall be repeated to entire satisfaction of
engineer/consultant/architect without any extra charge to employer. The
inspection and tests result shall be submitted in quadruplicate for
engineer/consultant/architect’s approval.
DRAWINGS AND GUARANTEED TECHNICAL PARTICULARS:
The following shall be submitted in quadruplicate for engineer/ consultant /
architect’s approval:
1.10.1. Guaranteed technical particulars for miniature circuit breaker.
1.10.2. Assembly drawing - This should incorporate dimensions, weight and MCB
arrangement.
Mounting details.
PAINTING:
All steel work shall undergo a process of degreasing, pickling in acid bath,
phosphatising. This shall be followed by two coats of primer and two coats
of final finish paint, both applied with spray.
LABELS:
Engraved PVC/black anodised labels shall be provided on all incoming and
outgoing circuits.
2.
L. T. CABLES:
2.1
SCOPE:
This specification covers supply, testing, erection and commissioning of L.
T. cables as detailed under bill of quantities.
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2.2.
TYPES:
Power cables:
The L.T. power cables shall conform to IS-1554. The conductor shall be of
aluminum PVC insulated PVC sheathed steel armoured. The cables shall
be suitable for grounded neutral system and shall be 1100 Volts grade. The
conductor size and number of cores shall be as specified.
Control Cables:
The control cables shall conform to IS-1554. The conductor shall be of
copper/aluminum PVC insulated, PVC sheathed 1100 Volts grade. The
conductor size shall not be less than 2.5sq.mm. unless otherwise specified.
The number of cores shall be as specified.
2.3.
CABLES ACCESSORIES:
2.3.1.
The cable glands shall be compression type plated brass. They shall be
complete with neoprene rubber rings, two numbers galvanised M.S.
washers, lock nuts etc.
2.3.2.
Cable lugs shall be used for stranged conductors, cable lugs shall be fitted
by crimping method only. The oxide inhibiting compound shall be used for
removal of oxide film on conductor. Tinned aluminum/copper lugs as
specified shall be used for various specified cables.
2.3.3.
25mm. x 3mm. G.I./aluminum strips, galvanised nuts, bolts and flat
washers shall be used for cable clamping.
2.3.4.
G.I./aluminum cable tag markers shall be used for identification of cables.
The cable numbers shall be punched on the tag markers. 16 SWG G.I.
wires shall be used for fixing the cables tag markers.
2.4.
ERECTION:
2.4.1.
Before cable erection, phase to phase, phase to neutral and phase to earth
insulation and continuity of the conductor shall be ascertained.
2.4.2.
Sharp bends shall be avoided. The bending radius shall not be less than 12
x diameter of the cable for L.T. cables.
2.4.3.
The cable shall be clamped at every 600mm.
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2.4.4.
The cable tag markers shall be fixed at every 10 meter and at strategic
locations as directed by the engineer/architect/ consultant.
2.4.5.
Holes of appropriate sizes shall be drilled on cable gland plates of
distribution board for cable/conduit entry and exit. The paint around the
holes shall be scraped before fixing the cable glands. The amouring strands
shall be cut, bents and clamped between G.I. washers after glanding the
cable shall not slip.
2.4.6.
Solid conductor shall be tinned before termination.
2.4.7.
The workmanship in end termination and glanding shall be excellent.
2.4.8.
Cables shall be laid in the routes marked in drawings. Where the route is
not marked, the contractor shall mark it out on the drawings and also on
the site and obtain the approval of the engineer/architect/consultant before
laying the cable. Procurement of cables shall be on the basis of actual site
measurements.
3.
LIGHTING INSTALLATION:
3.1.
SCOPE:
This specification covers supply, erection, testing and commissioning of
mains/sub-mains/power wiring, point wiring, plug socket and switches,
light fittings and fixtures etc. as detailed under bill of materials/quantities.
3.2.
STANDARDS AND CODES:
The design, manufacture, erection, testing and commissioning shall comply
with, but not limited the latest issue of the following standards and rules:IS - 9537
(Part-III)
:
Specification for rigid PVC conduit
for electrical wiring
IS - 694
(Part-I)
:
PVC insulated cables with
copper conductors for voltages
up to 1100Volts
IS - 732
:
Code of practice for electrical
wiring installation (system
voltage not exceeding 650Volts)
IS - 1646
:
General code of practice for fire
safety of bldg. electrical installation
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IS - 3043
:
Code of practice for earthing
Indian Electricity Act’1910 as amended unto date and rules issued there
under (Indian Electricity Rules’1956) and local supply authorities’ rules
and regulations.
Regulation for electrical equipments in building issued by The Bombay
Regional Council of Inductance Association of India.
3.3.
SURFACE PVC CASING-N-CAPPING WIRING:
3.3.1.
All casing-n-capping shall be rigid PVC. All casing-n-capping accessories
shall be PVC grip type.
3.3.2.
The outer surface of the casing-n-capping including all bends, unions, tees,
junction boxes etc. forming part of the casing-n-capping system shall be
adequately supported.
3.3.3.
The casing-n-capping shall be individually fixed using galvanised screws at
every 600mm.
3.3.4.
Junction box for lighting fixtures, fans etc. shall be surface mounted. The
box shall be complete with covers to be fixed with screws.
The casing-n-capping of each circuit or section shall be completed along
with conductor are drawn in. Separate earth wire of appropriate size shall
run in each casing-n-capping for earthing. If casing-n-capping are liable to
mechanical damage they shall be adequately protected.
3.4.
CONCEALED PVC CONDUIT WIRING:
3.4.1.
All conduits and wiring shall be completely concealed. Outlet junction
boxes, inspection boxes shall be provided flush with surface.
3.4.2.
All conduit wiring shall confirm to IS-9537 (Part-III) and shall be rigid PVC
conduit. Conduit accessories shall be PVC grip type. No PVC conduit less
than 20mm. dia shall be used.
3.4.3.
Conduit pipe shall be jointed by means of couplers and accessories only. In
long distance straight runs of conduit, inspection boxes at reasonable
intervals shall be provided.
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3.4.4.
The outer surface of the conduit pipes including all bends, unions, tees,
junction boxes etc. forming part of the conduit system shall be adequately
supported.
3.4.5.
All necessary bends in the system shall be done by bending pipes or by
using standard bends for diversion purpose pipes shall be bent.
3.4.6.
At least 18 SWG G.I. wire shall be laid through the conduit to enable pull
the wires through the conduit.
3.4.7.
The conduit for concealed wiring in slab or in RCC wall shall be tied to the
reinforcement bar by M.S. galvanised wires at suitable places to give the
conduits rigidity. Before installing conduits junction boxes and inspection
boxes in the brick wall, a chase shall be made. This work has to be done
before plastering of the walls is done and shall be co-ordinate with the
other agency. After installing the conduits the chase shall be closed and
shall be finished flush with the wall.
3.4.8.
The junction boxes, inspection boxes and switch boxes shall be temporarily
blocked by jute before concreting is done and shall be co-ordinate with
engineer-in-charge/consultant. After concreting is over, all boxes shall be
cleaned if they are chocked up by concrete.
3.4.9.
Separate earth wire of 14 SWG copper shall run along with each conduit for
earthing externally. The conduit shall not be used as an earth medium.
3.4.10. The conduit of each circuit or section shall be completed before conductors
are drawn in. The entire system of conduit after erection shall be tested for
mechanical and electrical continuity throughout and permanently
connected to earth.
3.5.
SURFACE PVC CONDUIT WIRING:
3.5.1.
All conduits shall be rigid PVC conduits. All conduits accessories shall be
PVC grip type. No PVC conduit less than 20mm. dia shall be used.
3.5.2.
Conduit pipe shall be jointed by means of couplers and accessories only. In
long distance straight runs of conduit, inspection type couplers at
reasonable intervals shall be provided.
3.5.3.
The outer surface of the conduit pipes including all bends, unions, tees,
junction boxes etc. forming part of the conduit system shall be adequately
supported.
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3.5.4.
Conduit pipes shall be fixed by heavy gauge galvanised PVC saddles and
spacers. The conduit pipes shall be individually fixed using galvanised
screws at every 600mm.
3.5.5.
All necessary bends in the system including diversion shall be done by
bending pipes or by inserting normal or inspection type normal bends or by
fixing inspection boxes whichever is more suitable. Conduit fittings shall
not be used on conduit system exposed to weather. Radius of such bends in
conduit pipes shall not be less than 7.5cm. No length of conduit shall have
more than the equivalent of two quarter bends from outlet. Additional
bends shall be inspection bends/boxes.
3.5.6.
The junction boxes for lighting fixture, fans etc. shall be surface mounting.
The boxes shall be complete with covers to be fixed with screws.
3.5.7.
The conduit of each circuit or section shall be completed before conductors
are drawn in. The entire system of conduit after erection shall be tested for
mechanical and electrical continuity throughout and permanently
connected to earth. Separate earth wire of appropriate size shall run in
each conduit for earthing. If conduit pipes are liable to mechanical damage
they shall be adequately protected.
3.6.
SURFACE M.S. CONDUIT WIRING:
3.6.1.
All conduits shall be rigid steel M.S. conduit finished with stove enameled
surface. All conduits accessories shall be threaded type and under no
circumstances pin grip type or clamp type accessories be used.
3.6.2.
No M.S. conduit less than 20mm. dia shall be used. The thickness shall be
16 SWG for conduit unto 32mm. dia and 14 SWG for conduit above 32mm.
dia.
3.6.3.
Conduit pipe shall be jointed by means of screwed couplers and screwed
accessories only. In long distance straight runs of conduit, inspection type
couplers at reasonable intervals shall be provided.
3.6.4.
Threads on conduit pipes in all cases shall be between 11mm. to 27mm.
long sufficient to accommodate pipes to full threaded portion of couplers or
accessories. Cut ends of conduit pipes shall have no sharp edges not any
bars left to avoid any damage to the insulation of conductors while pulling
them through.
3.6.5.
The outer surface of the conduit pipes including all bends, unions, tees,
junction boxes etc. forming part of the conduit system shall be adequately
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protected against rust. In no case, bare threaded portion of conduit pipe
shall be allowed unless such bare threaded portion is treated with anticorrosive preservative or covered with approved plastic compound.
3.6.6.
Conduit pipes shall be fixed by heavy gauge galvanised M.S. saddles
secured to M.S. galvanised flats of 3mm. thick. The width of flats shall suit
the total number of conduits to be run. The conduit pipes shall be
individually fixed using galvanised screws at every 600mm.
3.6.7.
All necessary bends in the system including diversion shall be done by
bending pipes or by inserting normal or inspection type normal bends or by
fixing M.S. painted inspection boxes whichever is more suitable.
No length of conduit shall have more than the equivalent of two quarter
bends from outlet to outlet.
Additional bends shall be inspection
ends/boxes.
3.6.8.
3.6.9.
The junction boxes for lighting fixture, fans etc. shall be M.S. 16 gauge
black enameled for surface mounting. The boxes shall be complete with
covers to be fixed with screws.
3.6.10. The conduit of each circuit or section shall be completed before conductors
are drawn in. The entire system of conduit after erection shall be tested for
mechanical and electrical continuity throughout and permanently
connected to earth.
3.6.11. Conduit shall not be used as an earth medium. Separate earth wire of
appropriate size shall run along with each conduit for earthing externally.
If conduit pipes are liable to mechanical damage they shall be adequately
protected.
3.7.
WIRES AND FLEXIBLES:
3.7.1.
Single core PVC insulated 630Volts grade copper wires shall be used for
wiring. The size of the conductor shall be as specified in the drawings/bill
of quantities but in no case it shall be less than 1.5sq.mm. for lighting
circuit and 2.5sq.mm. for power circuit. Three core insulated and PVC
sheathed flexible shall be used from junction box to light fittings/fans. The
minimum size of flexible wire shall be 16/0.20mm. copper conductor. Black
colour insulated wires shall be used for neutral conductor. Coloured
insulated wires of respective colours shall be used for phase conductor.
3.7.2.
The wiring shall be done in looping system. The phase conductor shall be
looped at switch box for sub-circuit. The neutral conductor for sub-circuit
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can be looped either from switch box or from light/fan/socket points.
Twisted joints for looping are not acceptable.
3.7.3.
Straight through joints shall not be permitted on single core wires and
flexible.
Coloured insulated wires of respective colour shall be used for phase
conductor and black colours insulated wires shall be used for neutral
conductor.
3.8.
FITTINGS AND ACCESSORIES:
3.8.1.
Lighting fixture:
The lighting fixtures shall be as per the schedule of quantities and
drawings enclosed. The mounting height and location shall be as specified
in the drawings. Unless otherwise specified, the mounting height shall not
be less than 2.5mm. The lighting fixtures shall be either supported
vertically of mounted on bracket or suspended by a hook, as required.
3.8.2.
Plug sockets (10/20 Amp. metal clad type):
Only three pin socket outlets as per the schedule of quantities shall be
used. Every socket shall be controlled by a switch which shall be located
adjacent to it at operable height and wiring for socket outlet on switch box
shall also be included. The switch controlling the socket outlet shall be on
the live side. The mounting and location shall be as specified in the
drawing. Unless and otherwise specified, the mounting height shall not be
more than 1.5 meter above floor level.
3.8.3.
Switches:
The switches shall be 6 Amps. rating for lighting sub-circuit. The switches
shall be single pole piano/modular type as indicated in bill of
quantities/preferred makes of item.
3.8.4.
Switch boxes:
The switch boxes shall be totally enclosed made of sheet steel/M.S.
concealed/surface type, location and details shall be as per the schedule and
drawings.
3.8.5.
Attachment of fittings and accessories:
All necessary materials for mounting and operation of lighting fixtures,
sockets, outlets etc. such as M.S. painted down rods, brackets, ball and
socket of approved make, M.S. painted junction boxes, terminals strips etc.
shall be used.
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3.9.
INTER CHANGEABILITY:
Similar part of all switches, pendants, brackets, conduits and accessories
etc. of the same type shall be inter changeable.
3.10.
EARTHING:
The earth shall conform to IS-3043. 14 SWG copper wire shall be used for
earthing and the conduit. The earthing wire shall be run continuously
along the conduit. All earthing wires shall be connected to earth bus
provided near the distribution board.
3.11.
TESTING OF INSTALLATION:
Before the installation is put into service, the following tests shall be
completed with
3.11.1. Insulation resistance:
The insulation resistance shall be measured by applying between earth and
whole system of conductors or any section thereof. 500Volts D.C. for single
phase system be means of a meager. The insulation resistance shall not be
less than one mega ohm.
3.11.2. Testing earth continuity path:
The earthing conductors shall be tested for electrical continuity. The
electrical resistance of the same along with earthing lead from connection
with earth electrode to any point, in any point in earth continuity conductor
in the complete installation shall be less than one ohm.
3.11.3. Testing of polarity of single pole switch:
The test shall be made to verify that all single pole switches have been
fitted between phase conductors and light/fan/socket outlet.
3.12.
MODE OF MEASUREMENT:
3.12.1. Mains/Sub-mains wires:
Conduit wiring from lighting distribution board unto switch board and
looping the phase conductor from one switchboard to other as mentioned in
the single line diagram shall be treated as main/sub-main wiring
respectively. This shall be run in a conduit separate from that of point
wiring. The estimated length of the conduits for the circuit wiring has been
given in the schedule of quantities. This includes the length of conduits
with different number of wires viz. 2, 4, 6, 8 etc.
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3.12.2. Point wiring:
Point wiring shall include all work necessary to complete wiring of any length
from tapping point of distribution circuit to the following via switch/bell
push:Junction box/ceiling rose for light/fan points.
Plug points.
Lumi-sound indicator bell/buzzer.
The following shall be deemed to be including in point wiring:(1) Switch/electronic fan regulator/bell push and switch box (for switch,
fan regulator, bell push etc.)
(2) Conduits and accessories such as bends, inspection bends, tees,
junction boxes etc.
(3) All fixing accessories for conduit and conduit accessories such as
clamps, spacers, rawl plug, G.I. screws etc.
(4) Wiring between switch/bell push and junction box/ceiling
rose/plugs/lumisound indicator and wiring necessary between
switch boards other than mains wiring shown in the drawing.
(5) 1 no. 2.5sq.mm. PVC copper wire in green colour for earthing inside
the conduit along with other wires.
3.12.3. Primary and secondary points:
Where lighting fixture are controlled from lighting distribution board
directly, the entire wiring from LDB to first fixtures shall be treated as a
primary point and with continuation of circuit from one point to another
shall be treated as secondary point.
3.13.
NUMBER OF WIRES IN A CONDUIT:
The maximum number of wires that may be laid in any conduit for circuit
wiring or point wiring is given below:Size of wires
sq.mm.
1.5
2.5
4
Size of conduits
20mm. 25mm. 32mm.
8
10
14
6
8
12
4
6
10
4.
EARTHING:
4.1.
SCOPE:
The scope of work under this section covers the earthing of various panels,
distribution boards and utilisation equipments.
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4.2.
STANDARDS:
The following standards and rules shall be applicable IS - 3043/1966
:
Codes of practice for earthing.
Indian Electricity Act’ 1910 and rules issued there under.
PLATE ELECTRODES:
Plate type earth electrodes shall be provided at the location shown on
drawing. The plate size shall be 600 x 600 x 3mm. tinned copper plate/600
x 600 x 6mm. G.I. plate or as specified in bill of quantities. The minimum
depth, type of electrode, soil treatment shall be in accordance with IS-3043
of 1966 complete with masonry, watering pipe, GI cover etc. The number of
earthing stations shall be as shown on the drawing and as directed by
consultant/architect/ engineer.
4.4.
EQUIPMENT EARTHING:
4.4.1.
Three phase motors and other three phase apparatus shall have two
distinct earth connection of size equal to 50% of the connecting cables.
4.4.2.
For 1 HP motor and 1 HP apparatus, the single earth connection shall be
provided.
4.4.3
For all light fittings and fans, a single earth connection with 2.5sq.mm.
copper shall be provided.
4.5.
EARTH CONTINUITY CONDUCTOR:
4.5.1.
Metallic conduit shall not be accepted as an earth continuity conductor. A
separate copper earth continuity conductor of size of 50% of phase
conductor or 16 SWG copper wire whichever is more shall be provided.
The earth continuity conductor shall be clamped to the conduit at one
meter intervals using approved copper earth clamps. Binding wire is not
accepted as a substitute for earth clamps.
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4.6.
SIZE OF COPPER STRIPS/WIRES FOR EARTHING:
Earthing of cable boxes shall be carried out as under:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sr. No.
Size of cable
Size of copper strip/wire
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------1. a)
b)
c)
d)
10sq.mm. 4 core
16sq.mm. 4 core
25sq.mm. 3 core
35sq.mm. 3 core
}
}
}
}
2. a) 50sq.mm. 3 core
b) 70sq.mm. 3 core
c) 95sq.mm. 3 core
}
}
}
2 nos. of 4 SWG copper
3. a) 100sq.mm. 3 core
b) 150sq.mm. 3 core
c) 185sq.mm. 3 core
}
}
}
2 nos. of 25 x 3mm. copper
4. a)
b)
c)
d)
}
}
}
}
225sq.mm. 3 core
300sq.mm. 3 core
400sq.mm. 3 core
500sq.mm. 3 core
2 nos. of 8 SWG copper
2 nos. of 25 x 6mm. copper
or as directed by engineerin-charge/consultant
Earthing of following equipments shall be done with two number copper
strips of size specified in schedule from ring main earthing tapped at
different places.
1. H. T. switchgears
2. L. T. switchgears and panels
3. Transformers.
4.7.
GROUNDING EQUIPMENTS :
4.7.1.
Ground wire/strip shall either terminate on ground lugs provided on the
equipments or shall be fastened to the foundation bolt and the frame of
equipment.
4.7.2.
All conduits shall be grounded with approved proper size of earthing
wire/strips as requested.
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4.7.3.
Ground wires terminating at each equipment shall have certain flexibility
in its connection to the equipment.
4.7.4.
Suitable size of sleeves required in the wall, column etc. taking earth strips
across them shall be provided by the contractor during the civil
construction. After laying the earth strip, the sleeve shall be properly
sealed.
4.8.
ERECTION :
4.8.1.
Joints :
The joint of earthing conductor shall be brazed, bolted or welded. Welded
surfaces shall be painted with red oxide and then aluminum painted.
4.8.2.
Termination :
Where the diameter of the bolt at the joints exceeds one quarter of the
width of the earth continuity, the connection shall be made with a wider
piece sandwiched between two conductors.
4.8.3.
Cable/earthing conductors supports :
Cables/earthing conductors shall be fixed on wall/cable racks.
Cable racks shall be fabricated from rolled sections (40 x 40 x 5 angles and
25 x 3 flats) and they shall rest and be supported on steel supports,
located approx. at 3 meter apart and at salient points. The cable racks
shall be painted with two coats of red oxide primer and two coats of paint
of deep battleship gray colour.
If the cables/earthing conductors are run along the wall, M.S. galvanised
or aluminum of suitable size spacer (25mm. x 30mm. thick) shall be
provided at every 600mm. The spacer shall be fixed with good quality raw
l plugs land G.I. screws.
4.9.
SITE TEST :
The following earth resistance values shall be measured with an approved
earth meager and recorded.
i) Each earthing station
ii) Earthing system as a whole
iii) Earth continuity conductors
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4.10.
MODE OF MEASUREMENT :
4.10.1. Providing an earthing station complete with excavation, electrode, watering
pipe, soil treatment, chamber etc. shall be treated as one unit of
measurement.
4.10.2. The following items of work shall be measured and paid at unit rate
covering the cost of the earth wires/strips, clamps, labour etc :Main equipment earthing grid and connection to earthing station.
Connection to power panels, distribution boards etc.
4.10.3. The cost of earthing the following items shall become part of the cost of the
item itself and no separate payment for earthing shall be made :Motors - earthing forming part of the cabling/wiring for the motor.
Isolating switches and starters - should form part of mounting frame,
switch, starter etc.
Light fittings - form part of installation of light fittings.
Conduit wiring and cabling - should form part of the wiring of cabling.
5.
TELEPHONE/INTERCOM DISTRIBUTION SYSTEM :
SCOPE :
The scope of work shall cover supply, installation,
commissioning of telephone/intercom distribution system.
testing
and
5.2.
DISTRIBUTION SYSTEM :
5.2.1.
Telephone cables shall be used of 0.5mm. dia electrolytic tinned copper
conductors duly colour coded twisted pairs with rip cord.
Cabling shall be multipair, PVC insulated, sheathed and armoured and
twin pair PVC insulated wires drawn in heavy gauge PVC conduits. Cables
shall confirm to I.T.D. specification.
5.3.
TAG BOX :
Telephone tag box shall have two terminal blocks cross connect type and
shall be suitable for multipair cables. All incoming and outgoing cables
shall be terminated on separate terminal blocks and all terminations shall
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be silver soldered. The cross-connecting jumpers shall be insulates wires of
the same diameter and screw connected.
5.3.2.
Tag blocks shall be mounted inside fabricated sheet steel boxes with
removable hinged covers and shall be fully accessible. The enclosure shall
be painted with two coats of red oxide and stove enameled.
5.4.
INSTALLATION :
5.4.1.
The installation of surface conduit/concealed conduit/surface PVC casing-ncapping as specified in bill of quantities shall be generally as specified
under section ‘conduit wiring’.
5.4.2.
The connections at the tag blocks shall be silver soldered so as to achieve
minimum contact resistance.
5.5.
MODE OF MEASUREMENTS :
5.5.1.
Supply and installation of telephone tag box with all accessories as
specified shall each form a unit of measurement.
5.5.2.
All cabling/wiring shall be measured and paid on unit length basis as
specified in the bill of quantities.
6.
LIGHTENING PROTECTION SYSTEM :
6.1.
SCOPE:
The specification covers design, supply, installation, testing and
commissioning of lightening protection system for protection of building
and allied structures.
6.2.
STANDARDS :
The design, installation, testing and commissioning of lightening protection
system shall comply with the latest issue of the following standard :IS - 2309
(1969)
:
Code of practice for protection of buildings and
allied structures against lightening.
6.3.
AIR TERMINATIONS :
6.3.1.
For the purpose of lightening protection, the vertical and horizontal
conductors are consider equivalent and the use of pointed air termination
or vertical finials is, therefore, not regarded as essential. However, vertical
air termination shall be provided where indicated.
A vertical air
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
termination shall have one point and shall project at least 300mm. above
the object salient point or network on which it is fixed.
6.3.2.
Horizontal air terminations shall be interconnected; such that no part of
the roof is more than 9 meter away from the nearest horizontal conductor
except that an additional 300mm. may be allowed for each 300mm. by
which the part to be protected is below the nearest protective conductor.
For flat roof horizontal air terminations along the outer perimeter of the
roof is used. For a roof of larger area a network of parallel horizontal
conductors shall be installed.
6.3.3.
Horizontal air termination shall be coursed along contours such as ridges,
parapets and edges of flat roofs and where necessary over flat surfaces in
such a way as to join each air termination to the rest and should
themselves form a closed network.
6.3.4.
All metallic finials, chimneys, ducts, vent pipes, railings, gutters, metallic
flagstaff etc., on or above the main surface of the roof of the structure shall
be bonded to and form part of the air termination network. If portion of a
structure vary considerably in height, any necessary air termination or air
termination network of the lower portions shall in addition to their own
conductors, be bonded to the down conductors of the taller portions.
6.3.5.
All air terminals shall be effectively secured against overturning either by
attachment to the object to be protected or by means of substantial braces
and fixing which shall be permanently and attached to the building. The
method and nature of the fixing shall be as directed.
6.4.
DOWN CONDUCTORS :
6.4.1.
Down conductors shall be distributed round the outside walls of the
structure. They shall preferably be run along the corners and other
projections, due considerations being given to the location of air
terminations and earth terminations. Lift shafts shall not be used for
fixing down conductors.
6.4.2.
Down conductors shall follow the most direct path possible between the air
termination and the earth termination avoiding sharp bends upturns and
kinks. Joints shall as far as possible be avoided in down conductors. Metal
pipes should not be used as protection for the conductors.
Metal pipes from the roof to the ground may be connected to the down
conductor but cannot replace them. Such connections shall have
disconnecting joints.
Interior Work at R&C Building
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HINDUSTAN PETROLEUM CORPORATION LTD., GMO-WZ
6.5.
JOINTS AND BENDS :
The lightening protective system shall have as few joints in it as possible.
Wherever joints in the down conductors above ground level are necessary
they shall be mechanically and electrically effective. In down conductors
below ground level there shall be no joints. The joints may be clamped,
screwed, bolted, riveted, sweated, braced or welded. The bonding of the
external metal forming part of a structure or drain water pipe shall have a
cross sectional area not less than that employed for the main conductors.
In no case gas pipe shall be bonded to earth termination system.
6.6.
TESTING POINTS :
Each down conductors shall be provided with a testing point in a position
convenient for testing but inaccessible for interference. No connection,
other than one direct to an earth electrode shall be made below a testing
point. Testing points shall be of phosphor-bronze, gunmetal, copper or any
other suitable materials.
7.
MAKES OF ITEMS :
All materials used in electrical works covered in this contract shall be as
per the list of preferred makes. The contractor shall submit the list of
items and their manufactures for consultant/architect’s approval.
Interior Work at R&C Building
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