PROPERTIES & FACILITIES DEPARTMENT
OLD AIRPORT, KALINA, SANTA CRUZ (E), MUMBAI 400 029
CABLE : AIRINDIA TEL : 2626 5609 FAX : 2615 7130 INTERNET:
www.airindia.com
TENDER NO. : PF /E & M /02 /08
DATED :26/02/ 2015.
Supplying, Installing, Testing and Commissioning of 40TR Air Cooled Air
Conditioning unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
NAME & ADDRESS OF THE CONTRACTOR :
TELEPHONE NOS :
OFFICE :
__________________________
RESIDENCE : _______________________
MOBILE NO : __________________________
FAX NO : ____________________________
1
PROPERTIES & FACILITIES DEPT.
Tender No. PF/E & M/02/08
Date: 26/02/2015
TENDER NOTICE
PROCEDURE FOR SUBMITTING OF TENDER
The tender for the subject work shall be submitted in two separate sealed covers. The
Tenderers are required to convey in writing in the “ Acceptance Letter” OR “ Regret Letter” which
shall be issued in duplicate along with the tender, their unconditionally acceptance to Air India’s
Tender Terms & Conditions in its entirety. The tenderers are also required to give an
undertaking on “Service tax”. It shall be the responsibility of the Contractor to collect the
“Acceptance letter” in duplicate and proforma of “Undertaking on Service tax” from the issuing
authority, prior to submission of the tender OR “ Regret Letter”
“ Cover No. 1” superscribed “Acceptance of Air India’s Tender Conditions regarding
Tender for …..(as per the subject of the tender )…… and bearing on the bottom left corner the
name of tenderer, will contain the following
1.
Receipt of Ernest Money Deposit/Demand Draft/ bank Guarantee.
2.
“Acceptance letter”in duplicate fully completed.
3.
Appropriate undertaking of Service Tax duly filled in with signature & stamp of the
tenderer.
COVER NO. 1 SHALL NOT CONTAIN ANY OTHER DOCUMENTS
“Cover NO. 2” to be submitted under separate sealed cover will contain only the
Tender document and superscribed …..(as per the subject of the tender…..) and bearing on the
bottom left corner the name of the tenderer.
COVER NO. 2 SHALL NOT CONTAIN ANY OTHER DOCUMENTS
2
Both the seal Cover No. 1& 2 shall be properly pinned together and submitted. Tenders
will be opened in the presence of any intending tenderers who may which to be present at the
time on the date and at the place indicated. Only the sealed Cover No. 1 shall be opened first.
The offer from only those tenderers, who have submitted in Cover No. 1 their letter of
Acceptance, conveying their unconditional acceptance of Air India’s standard Conditions of
Contract together, with the “ Undertaking on Service tax” and receipt of Ernest Money Deposit
shall be considered valid and Cover No. 2 containing the tender quotation for the subject work
from such tenderers only shall be opened.
Those tenderers who do not fulfill the above requirements of Cover No. 1 or Cover no. 2
shall be rejected. The offers from those tenderers, who are unable to unconditionally accept Air
India Standard Conditions of Contract will also be rejected.
O R (in case not interested)
You are requested to send us “REGRET LETTER” in the enclosed format on your
Company’s letter head, duly signed with rubber stamp , well in advance, so as to reach us
before the Tender Opening date.
Thanking you,
Yours faithfully,
Air India Ltd.
(K.C.Sahoo )
Manager-P & F
Properties & Facilities Department
3
PROPERTIES & FACILITIES DEPT.
ACCEPTANCE
LETTER
To,
The Dy.General Manager,
Air India Ltd.,
Properties & Facilities Department,
Old Airport, S’Cruz (E),
MUMBAI – 400 029
Sub : Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air Conditioning
unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
We hereby unconditionally accept the tender terms and conditions in its entirety for
Tender No. Tender No. PF/E & M/02/08
Date: 26/02/2015
We also confirm that payment of Earnest Money Deposit has been made in the form of
DD/ Pay Order and receipt of the same is enclosed.
We understand that if RATES against each item of Schedule of Fees are not WRITTEN in
both, FIGURES as well as in WORDS, the tender will STAND REJECTED.
Date : ____________
Place : ____________
.
SIGNATURE OF THE TENDERER WITH RUBBER STAMP
4
REGRET
LETTER
( to be sent under Tenderer’s Letter head )
To,
The General Manager,
Air India Ltd.,
Properties & Facilities Department,
Old Airport, S’Cruz (E),
MUMBAI – 400 029
Sub : Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air Conditioning
unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
Ref:
Tender No. Tender No. PF/E & M/02/08
Date: 26/02/2015
Sir,
We regret to inform you that we are unable to quote for the subject tender due to the
following reasons:
1. __________________________________________________________
2. _____________________________________________________________
Place : _____________
Date : ____________
SIGNATURE OF THE TENDERER WITH RUBBER STAMP
5
PROPERTIES & FACILITIES DEPARTMENT
UNDERTAKING FOR SERVICE TAX
(FOR WORKS COSTING UP TO RS. 10 LAKHS ONLY )
Name of work : Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air Conditioning
unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
Tender No. PF/E & M/02/08
Date: 26/02/2015
We, M/s ____________________________________________,having our official address at
_______________________________________________________, are not enveloped under the Service
Tax Rules, as our turnover is not likely to exceed Rs. ____________________ Lakhs.
We undertake all the responsibility of Service tax liability of this contract in case we
exceed the turnover or gets enveloped under Service Tax bracket during the execution and completion of
this work or any liability of Service Tax imposed on us for the concerned contract. In the event of any
such occurrence, Air India Ltd. shall not bear any liability whatsoever, and we agree to keep Air India Ltd.
indemnified on this count.
Place :
Date :
-----------------------------------------------------SIGNATURE & SEAL OF THE TENDERER
PROPERTIES & FACILITIES DEPARTMENT
UNDERTAKING FOR SERVICE TAX
(FOR WORKS COSTING RS. 10 LAKHS & ABOVE ONLY )
Name of work: Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air Conditioning
unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
Tender No. PF/E & M/02/08
Date: 26/02/2015
We, M/s ____________________________________________,having our official address at
_________________________________________________,hereby confirm that our Service tax
Registration No. with Central Board of Excise and Customs is _____________________. We also confirm
that our rates are exclusive of Service tax and we shall claim the applicable Service Tax separately in our
Running/Final bills. We also undertake the responsibility of payment of Service tax claimed from Air
India Ltd. to the appropriate authority of Service Tax. Air India Ltd. shall not bear any liability whatsoever
for any failure on our part to make said payments as may be required from time to time, and we
undertake to keep Air India Ltd. indemnified on this count.
OR
We,
M/s
____________________________having
our
official
address
at
_____________________________________________ hereby confirm that we will submit our Service
Tax Registration No. with Central Board of Excise and Custom to Air India Ltd. before the submission of
our Bill. In case we fail to submit that same, Air India Ltd. may withhold our payment. We also confirm
that our rates are exclusive of Service Tax and we shall claim the applicable Service Tax separately in our
Bill. We also undertake the responsibility of payment of Service tax claimed from Air India Ltd. to the
appropriate authority of Service tax . Air India Ltd. shall not bear any liability whatsoever for any failure
on our part to make said payments as may be required from time to time, and we undertake to keep Air
India Ltd indemnified on this count.
Place :
Date :
SIGNATURE & SEAL OF THE TENDERER
6
PROPERTIES & FACILITIES DEPARTMENT
CONTRACT ADMINISTRATION PROFORMA
TENDER NO. PFD/ E&M / 02 / 08
DATED : 26 /02/ 2015
Sub: Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air Conditioning
unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
1.
Estimated cost of work
2.
The Tender documents consists of the following:
a)
b)
c)
d)
e)
f)
g)
:
Rs. 15.00 lakhs
Contract Admin proforma
Important Note
Conditions of Contract (to be referred to on our web-site or in
our Contract Admin. Office at OAP)
Additional Conditions
General & Technical Specification
Schedule of Quantities
Declaration
3.
The Bidder is required to pay Earnest Money of Rs.37,500/- (Rupees Forty Three
Thousand Seven Hundred Fifty Only)
[ NOTE: EMD is to be paid in Cash only for amount of upto Rs.10,000/- which
payment is to be made to the Cashier, Cash Section, Finance Dept., Old
Airport, Santa Cruz (E), Mumbai 400 029. For EMD amount more than
Rs.10,000/-, payment has to be made by way of DD / PAY ORDER payable to
“Air-India Ltd” at Mumbai. ]
4.
The completed Tender Documents in Cover no: 2, accompanied by the Earnest
Money Receipt / DD / Pay Order and the Acceptance Letter in Cover no: 1,
addressed to the General Manager – P&F Dept., Air-India Ltd., Santa Cruz (E)
should be deposited in the Tender Box kept in Admin Office before 3:00 PM
on 23.04.2015.
5.
Tenders will be opened on the same day at 3:30 p.m. in the Office of the General
Manager, Properties & Facilities Dept., Air-India Ltd., Old Airport, Santa Cruz (E),
Mumbai 400 029 in the presence of any intending bidders who may wish to be
present.
7
6.
In case the Bidder does not wish to quote for the work, he may please send a
regret letter on the date of opening of the Tender.
7.
EARNEST MONEY / SECURITY DEPOSIT :
a) Earnest Money Deposit
: Rs.37,500/-
b) Additional Security Deposit to be made
within 15 days of date of issue of WO
:
c) Retention Percentage from Running /
Final Bill
: 7½% ( Seven & Half %)
d) Total Security Deposit
: 10% (TEN PERCENT)
-----------
8.
Time allowed for the execution of the work
:
Three Months
9.
DEFECTS LIABILITY PERIOD:
:
12 Months
10.
Minimum value of work to be done between
Two consecutive Running Account Bills
For claiming by the Contractor
:
Rs. 2,00,000/-
Likely period for Honouring Running
Account Bill after proper submission
:
01 Month
Likely period for Honouring Final Bill
after proper submission
:
11.
12.
13.
Percentage permitted in Rate Analysis
for Extra / Deviated items to cover
Overheads and Profits.
01 Month
: 20% (TWENTY
PERCENT)
SIGNATURE OF ENGINEER-IN-CHARGE
CONTRACTS SECTION
8
PROPERTIES & FACILITIES DEPARTMENT
Tender no: PFD/E&M/02/08
Date: 26/02/15
Sub: Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air Conditioning
unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
ADDITIONAL CONDITIONS
The Bidders shall be submitted in two sealed covers. The Tenderers are
required to convey in writing their unconditional acceptance of Air-India Ltd. Tender
Conditions regarding the Tender for ...(here mention the subject of the
tender)............and shall bear on the bottom left corner the name of the Tenderer.
Please mention the Tender Number on the cover.
“Cover No.1” shall contain the following :
1. Earnest Money Deposit Receipt
2. Unconditional acceptance letter (in duplicate)
“Cover No.2” is to be submitted separately and shall contain the Tender
Quotations of the Contract superscribed “...............(as per subject in Tender
Notice & Tender Number).........” and shall bear on the bottom left corner the
name of the Tenderer.
3
The offers from those Tenders who are unable to unconditionally accept Air-India
Ltd. Tender conditions duly stamped and signed, will not be considered and will
stand rejected and Cover No.2 containing the Tender quotations of such
Tenderers shall not be opened.
9
4
The offers from those Tenderers who are able to unconditionally accept Air-India
Ltd Tender Conditions shall be considered for the work and Cover No.2 from
such Tenderers only shall be opened.
5
Those Tenderers submitting Regret Letters are requested to kindly state on the
envelope “Regret Letter for Tender No..........(here mention tender number and
date)..................
Tender no: PFD/E&M/02/08
Date: 26/02/15
ADDITIONAL CONDITIONS
6
The offer shall be valid for acceptance for a period of 90 (Ninety) days
from the date of opening of the Tenders.
7
Escalation shall not be granted on any account over the rates quoted in
Tender.
8
All entries in the tender documents must be made in English. They must be
handwritten in INK and must not be typed.
9
NO ALTERATIONS, ADDITIONS OR ERASURES in any of the Tender
documents are permitted and if they are made Air-India Ltd shall have the right to
either disregard such alterations, additions or erasures or cancel the whole
Tender as it may decide.
the
10 The Organization shall remove from the premises its employee(s) who is/are
found to be failing his/their duties or whose presence in the premises is otherwise
objectionable in the opinion of Departmental Representative / Security Staff.
11 The successful bidder will have to enter into a service agreement with Air-India
Ltd in such form as may be required by them for the performance of the work,
which will be subject to these conditions and/or Terms & Conditions which may
be considered necessary or expedient by Air-India Ltd.
12 It is suggested that the intending bidder / bidders of his representatives should
visit the various areas to study the details and nature of services to be rendered
before sending their quotations. The organization will be deemed to have
10
satisfied themselves as to the nature of the areas of work, local facilities of
access and all matters and things in any way affecting their rendering services as
per the agreement including Security requirements. No claims for extra charges
shall be entertained in this behalf of any reason whatsoever.
13 Each tenderer must deposit with the Manager Air-India Ltd., Finance
Department, Cash Section, 1st floor, Old Airport, Santa Cruz (E),
Mumbai-400 029, Earnest Money Deposit in the form of
DEMAND DRAFT / BANK GUARANTEE (of Nationalized Bank only) and
enclosed the receipt thereof with the Tender Documents. No Tender will
be considered if it is not accompanied by the Receipt of Earnest Money
Deposit will be returned to the unsuccessful Tenderer and incase of
the successful Tenderer, it will be retained by the Company to form the first
part of the Security Deposit.
Tender no: PFD/E&M/02/08
Date: 26/02/15
ADDITIONAL CONDITIONS
14 The Organization shall at their sole cost and expense furnish and provide all the
materials, tools, plants, equipments mechanical and other gadgets required for
tendering services covered by this agreement to the entire satisfaction of Air-India
Ltd. The work shall be carried out on all week days and if required, on Sundays
and Public Holidays also as specified on schedule at no extra cost to the
Company.
15 The Organization shall provide all their employees with identification badges with
photographs and timings approved by Air-India Security. The staff employed by
the Organization shall be required to wear these badges at all times, plainly
visible to the Air-India Security Watchmen and Staff. Any such staff failing to do
so shall, upon request of the departmental representative / Security Staff, be
taken off the duties and shall not be reassigned these duties by the Organization
in Air-India premises.
16 The Organization shall be fully responsible for the acts of omissions of the
workers engaged by him and shall indemnify and save Air-India Ltd from and
against any harm and all losses and expenses thereby caused.
17 Any complaints received in connection with the services shall be attended to by
the Organization immediately.
18.
The Organization shall be responsible for compliance with provision of all
11
applicable laws including Minimum Wages Act particularly Labour Laws
in connection with the services to be rendered under this service
agreement and in relation to the employees of the Organization. It is
clearly understood that this service agreement and in relation to
employed engaged for rendering these services. The Organization shall
hold Air-India blameless in respect of any claim pertaining to or made by
employees of the Organization. It is clearly understood that this service
agreement there under, shall not constitute any relationship of
employer / employee between Air-India Ltd on one hand and employees
of the Organization on the other hand.
Tender no: PFD/E&M/02/08
Date: 26/02/15
ADDITIONAL CONDITIONS
19. The Organization shall affect all such insurances, as may be required by the
provisions of the applicable laws.
20. The Organization shall not enter into any sub-contract.
21. CONTRACT LABOUR ACT :
The Contractor shall comply with all the labour rules and regulations for the time
being and from time to time in force. He shall comply with the Contract Labour
(Regulation & Abolition) Act, of 1970 and the rules framed there under and the
Minimum Wages Act, 1948 and the rules framed there under. The Contractor
shall comply with all applicable laws, ordinance, rules and regulations in respect
of this contract and the employment of the workers, provided by him and shall
obtain all such Municipal and other Government Permits, licences and
inspections as may be necessary and shall pay at his own cost the charges in
connection therewith. If Air-India is required to make any such payments, initially
Air-India shall recover the same from the Contractor immediately from their
monthly bills.
22. CONTRACTOR LABOUR LICENCE :
12
The Contractor shall be governed under the Contract Labour (Regulation &
Abolition) Act, 1970 and he should obtain the Contract Labour Licence from the
Labour Commissioner’s Office within 15 days from the date of issue of Works
Order.
23.
RENEWAL CONTRACT:
The Contractor shall renew the Contract Labour Licence from time to time and
inform the Departmental Representative accordingly.
24.
EMPLOYEES STATE INSURANCE SCHEME:
Contractor’s Workmen are required to be insured under the Employees State
Insurance Act, 1948. The Contractor shall be solely responsible for payment of
employees contributions and also for all expenses and payments whatsoever in
connection therewith, including the cost of expenses required to be incurred in
connection with the preparation and submission of returns, etc. it will be the
responsibility of the Contractor to obtain the necessary code Nos. as immediate
Tender no: PFD/E&M/02/08
Date: 26/02/15
ADDITIONAL CONDITIONS
employers payment of contributions at appropriate time to the ESIS authorities
and also to ensure the availability of the facilities under ESIS to the employees.
The Contractor shall keep Air India completely indemnified having of all factors
and aspects of Employees State Insurance Act and to the extent it may be
applicable to this Contract.
25.
All disputes and differences of any kind whatsoever arising out of or in connection
with this contract, or in the interpretation of any of the clauses herein which cannot be
resolved by agreement of the parties shall be referred for arbitration to Managing
Director. Air India or any Officer nominated by him in accordance with the provisions of
the Indian Arbitration Act 1970 of any statutory modification or re-enactment thereof for
the time being in force. The venue of arbitration shall be Mumbai. The award of the
Arbitrator shall be final, conclusive and binding on all parties to the Contract.
13
26.
The Contractor shall also ensure that the Contract Labour is medically fit and of
sound health. The Contractor shall ensure that the workmen and supervisor employed
by him shall not be of minor age.
27.
The contractor shall also note that the work has to be carried out in the existing
mock-up with all safety measures and very careful manner without any damages to the
existing mock-up. In case of any damages it will be carried out by you for the damages.
The risk will be at your cost & risk.
-----------------------
Tender no: PF/E&M/02/08
Date: 26/02/15
Sub : Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air Conditioning
unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
14
…………………………………………………………………...................
Estimated cost : Rs.15.00
lakhs.
………………………………………………………………………..........
GENERAL & TECHNICAL SPECIFICATIONS
INTRODUCTION
This specification covers the minimum requirements for the engineering, procurement,
installation and commissioning of the Air Conditioning system to be provided at Mock up inflight training service, Old Airport, Kalina, Santacruz, Mumbai-400 0029.
1.0
STANDARD SPECIFICATION
1.1
Scope of Work
The complete scope of work shall cover supply, erection, testing and
commissioning of the entire Air Conditioning
system as detailed under
specification.
1.2
Basis of Design
The entire system has been based and designed on climatological data available
as given under Basis of Design and Scheme.
Tender no: PFD/E&M/02/08
1.3
Date: 26/02/15
Terms and Definitions
The followings terms have been used in the tender specifications, drawings etc.
15
ISI
: Bureau of Indian Standards.
HZ
:
Hertz.
H.P.
:
Horse Power
SAG
:
Supply Air Grills.
SAD
:
Supply Air Diffuser.
SAF
:
Supply Air Filters.
FD
:
Fire Damper.
VCD
:
Volume Control Damper.
RAD
:
Return Air Damper.
FAD
:
Fresh Air Damper.
RH
:
Relative Humidity.
DB
:
Dry Bulb Temperature.
WB
:
Wet Bulb Temperature.
DP
:
Drain Point.
Tender no: PFD/E&M/02/08
1.4
Date: 26/02/15
The codes, regulation as detailed below shall be followed in this contract :16
1.
Safety code for air-conditioning (revised)
amendment 1
: IS 659 : 1964 (reaffirmed 1991)
2.
Safety code for mechanical Refrigeration
: IS 660 : 1963 (reaffirmed 1991)
3.
Testing of refrigeration compressors
: IS 5111 : 1993
4.
Air cooled heat exchangers (amendment 1)
: IS 10470 : 1983 (reaffirmed
1991)
5.
Packaged Air-conditioner(amendment 1991)
: IS 8148 : 1976 (reaffirmed
1991)
6.
Thermostats for use in refrigeration etc.
: IS 11338 : 1965 (reaffirmed
1991)
7.
Metal Duct Work
: IS 655 : 1963 (reaffirmed 1991)
8.
Steel for general structural purpose
: IS 2062 : 1992
9.
Refrigeration
10.
Hot Dip Zinc Coated Steel Tubes
: As per ASHRAE / ISI
Airconditioning &Refrigeration
Air-conditioning
instituteStandards.
11.
Colour code for the identification of pipe lines
: IS 4736 : 1968
12.
Specific requirements for the direct switching of
the individual motors.
: IS 2379 : 1963
13. PVC insulated ( HD) Electric Cables for
working voltage up including 1100 Volts.
:
IS 4064 ( Part II) 1978
:
IS : 1554 ( Part I)
IS 2208 : 1976
14.
HRC Cartridge fuse links upto 650 Volts.
15.
Starter
:
16.
Inspection and testing of installation
: IS 8554 ( Part I) 1979
17.
Galvanized steel wire for fencing
: IS 732 ( Part III) 1979
18.
Three phase induction motors
: IS 277 : 1977
19. PVC insulated ( heavy duty ) cables for working : IS : 325
voltage up to 1.1. KV and up to 11 KV Grade
respectively.
: IS 1554 : 1981 Part I & II
20.
Code for practice
installations.
for
21.
Code for practice for earthing
electrical
wiring
: IS 732 : 1989
: IS 3043
17
Tender no: PFD/E&M/02/08
22.
Specification for single phase small A/C &
universal motors
: IS : 996
23.
Circuit breaker A.C.
Contactors for AC for voltage upto 1100
: IS 2516 : 1980 Part I & II
24.
V.
: IS 2959 : 1975
25.
Low voltage switch gear and control gear
assemblies.
: IS 8623 : 1993 Part I & II
26.
AC induction motors
: IS 3914
27. Specification for cables glands
: IS 4821
28. Code for selection, installation & maintenance
of switch gear and control gear.
: IS 10118 : 1982 Part I to IV
29. Conduits for electrical installations
: IS 9537 : 1981 Part I to lV
30.
Permissible limits of noise level for rotating
electrical machines.
: IS 12065 : 1987
31.
Code of practice for installation and
maintenance of motors.
: IS 3106 : 1966
32.
HRC catridge fuse links upto 650 volts
PVC insulated (heavy duty) electric cables
: IS : 2208
33. Working voltage upto & including 1100
watts
34.
Method for testing Panel type air filters for
AC purposes.
35. Unbounded glass wool for thermal insulation
(1st Revision)
36.
1.5
Date: 26/02/15
Expanded polystyrene for thermal insulation
Purposes (1st revision)
Safety Codes
The following IS codes shall be followed :
Safety code for mechanical refrigeration
Safety code for airconditioning
: IS : 1554 (Part I)
: IS : 7613 : 1975
(reaffirmed 1991)
: IS : 3690 : 1974
: IS 4671 : 1984 (reaffirmed)
: IS 660
: IS 659
18
Tender no: PFD/E&M/02/08
Date: 26/02/15
Safety code for scaffolds & ladders
: IS 3696
Code of practice for fire precaution in Welding
& cutting operations
: IS 3016
Code for safety procedures and practices in
electrical works
: IS 5216
19
Tender no: PFD/E&M/02/08
Date: 26/02/15
Code of practice for safety and health Requirements in : IS
3696 electrical & gas welding And cutting operations.
2.0
DESIGN CONDITIONS
The design parameters to be used for detailed design of the air conditioning
system as follows:
2.1
Outside Ambient Conditions
Summer : DB: 40oC (105oF) & WB: 28.33oC
(83oF). Monsoon: DB: 32.2oC (90oF) &WB:
30oC (86oF).
Equipment performs to the above ambient conditions and not fail in conditions of
43oC DB (dry bulb).
3.0 NOISE AND VIBRATION CONTROLS
The air conditioning contractor must take all necessary precautions to have
minimum
noise generation and its transmission. Minimum vibration as
permitted by IS relevant
code shall be ensured. A few points for guidance only
are given below:
a)
Double fire retardant flexible connections shall be provided from air
discharge to outlet of air-handler to the duct.
b)
Vibration isolation pads of suitable thickness commensurate to loading for
isolation of vibration shall be provided under all equipments. in consultation
with manufacturer for proper selection of vibration isolators
c)
Flexible conduit connections of minimum diameter of 50mm to motors shall
be provided. All loops should be large enough to allow connections to
remain flexible.
d)
All conduit connection where conduits are 60mm or larger shall be made of
1.2 meters minimum length conduit installed in the shape of U and grossly
slack to provide maximum vibration isolation.
e)
The floor supported piping shall be mounted on pipe supports with 7.5mm
ribbed neoprene pads between the base plate of the pipes and the floors.
f)
All items suspended from false ceiling shall be isolated on separate hangers.
g)
In case of ducts, conduits, pipes & tubes the annular space between
construction and penetrating element shall be sealed with sand cement
plaster.
20
Tender no: PFD/E&M/02/08
Date: 26/02/15
h)
The supply duct starting from air handling unit & plenum shall be provided
with 12 mm thick acoustic lining as indicated in the tender drawings.
i)
The air-conditioning contractor shall take all other precautions or shall make
his own arrangements even if not specified in the tender documents for
eliminating high noise levels & shall minimize vibrations in all mechanical
equipments without any additional cost.
4.0
GENERAL DESCRIPTION
SYSTEM PROPOSED
AND
SPECIFICATION
OF
THE
The air-conditioning shall be based on the air cooled Floor MountedType AHU
unit for Mock up area.
The Mock Up area shall be air-conditioned by the Condensing unit with
compressor air conditioning unit. The Installed capacity of the A. C. Unit shall be
44 TR (approximately) (4 Nos 10/11 TR Air Cooled Scroll Package Unit )
The Condenser unit shall be located outside the building and on a MS structure.
Double skin DX type AHU of 40 TR capacity suitable for the Condenser Units
with compressor of 10/11.0 TR capacity Air cooled with sufficient Static head
pressure and CFM for supplying the cooled air upto second floor level of Muck
up.The AHU also includes the canvas connections and suitable dampers,
base tray and acoustic insulation and powder coating painting,drain line etc all
complete.
Following Protections should be considered for Each Package unit:
1.
2.
3.
4.
5.
Single Phase & Phase reversal protection
High Pressure Cut out
Low pressure cut out.
Over Voltage & Under Voltage Protection.
Over load trip .
21
Tender no: PFD/E&M/02/08
Date: 26/02/15
Condenser
The Air Cooled Condenser should be 10/11.0 TR capacity Air cooled of Blue Star/
Voltas/ Carrier/ LG/Samsung or any equivalent ISI Std make suitable for DX type AHU
with all accessories like Expansion valves, Driers/strainers and hand shut off valves
Refrigerant Pipe:
The indoor &outdoor unit to be connected with the hard drawn copper pipe of minimum
18G thickness. All the elbow & reducer should be with the same thickness of the pipe.
The size of the refrigerant pipes to be done by the vendor based of actual pipe length
etc. The Refrigerant pipes should be Pressure tested at 400 PSI / 200 PSI and shall
hold the pressure for 24 hrs. Proper Vacuuming should be done before charging of the
refrigerant.
Pipe Supports
All refrigerant piping shall be supported to prevent deflection, bulking and vibration.
Piping shall be supported at all changes in direction and at intervals of not more than 1.2
meters on straight runs. Pipe supports and clamps shall be subject to approval of
consultant. Pipe work on roofs and floors shall be supported on off-set clamps, floor.
The Pipe support stands shall be bolted to the concrete slab or steel members. Vertical
pipe work shall be supported with trapeze hangers with rods suspended from
inserts.Condensate drain pipe supports shall be capable of vertical adjustment after
installation of piping. All pipe works passing through the walls, floors and roof slabs shall
be provided with pipe sleeves of adequate size to allow the passage of insulation.
Electrical Cabling
All the connected Power cable should be with Al/Cu Ar. Cable of 1100 V grade & control
cable should be with Cu. Ar. Cable of 1100 V grade. The incoming supply of the MCC
should be with MCCB & all outgoing feeder should be with MCB & for compressor
MCCB of suitable rating. The Outdoor Structure should be such that proper
maintenance is possible and isolators to be provided near condensers with necessary
interlock with package unit, so that for maintenance / emergency condensers can switch
off.
Noise Levels
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Noise level inside the conditioned area resulting from the units shall not exceed
the following:
- NC 35 for office area
All running equipments shall be isolated from the building structure and the
support isolated from other items of equipment.
All the units shall have anti-vibration mountings of approved make and these shall
be subject to approval of the consultant.
All the Air distribution system should be designed in such a way so that inside
noise level should be within NC 35.
Tender no: PFD/E&M/02/08
Date: 26/02/15
Vibration Isolators
All plant shall be isolated from the building structure and the support isolated from
other items of equipment.
The package units’ shall have anti-vibration mountings of approved make subject
to consultants approval.
Multi-layer rubber pads with square grid convolutions on both sides, spaced
with steel shims and of a thickness to suit the points of uniform loading of the
plant item but of a minimum thickness of 32 mm shall be spaced not more
than 750 to 1000 mm apart.piece having these fittings. Dampers shall be
installed in duct at all required locations.
TESTING
The complete duct system shall be tested for air leakage & complete air distribution
system shall be balanced in accordance with air quantities indicated on the approved
drawing
STANDARD SPECIFICATION OF THERMAL / ACOUSTIC INSULATION
This section deals with supply and fixing of thermal / acoustic insulation of ducts,
pipes etc. as per the specification given in this section.
MATERIAL OF INSULATION
The insulation material of the following kind shall be used for cold insulation.
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FOR DUCT INSULATION WITH CLASS O ANTI-MICROBIAL TYPE
13MM NITRIAL RUBBER HAVING FOLLOWING SPECIFICATION:
a)
-
Insulation material shall be Closed Cell Elastomeric Nitrile Rubber
-
Density of Material shall be between 40 to 60 Kg/m3
-
Thermal conductivity of elastomeric Nitrile rubber shall not exceed 0.033
W/mK at mean temperature of 0°C
-
Insulation material shall have anti-microbial product,
Tender no: PFD/E&M/02/08
-
Date: 26/02/15
It shall give enhanced level of protection against harmful Microbes such as
bacteria, mold, mildew and fungi and should confirm to following standards:
-
Water vapour permeability shall not exceed 1.74 x 10-14 Kg / (m.s.Pa),
i.e. Moisture Diffusion Resistance Factor or ‘µ’ value should be minimum
10000.
-
The Insulation materials should be with self adhesive type and with Al.
Foil Faced to protect against mechanical damage.
The Thermal conductivity values in W/m. K of fiberglass shall confirm to following:
Mean Temperature oC
Density in Kg/cmt
Thermal Conductivity W/m.k
32
0.032
32
0.035
For Duct Lining
25 oC
o
50 C
The sample of insulation material shall be submitted for approval to the Engineer in
Charge and the sample shall be tested for thermal conductivity values by the contractor
at his own expense. Adhesive used for setting the insulation shall be non-flammable,
vapor proof, CPRX compound.
Special Notes:
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1.
All the party should submit the Equipment rating chart at different temperature /
outside condition.
2.
Compressor ratting chart should be submitted along with tender for proper
technical evaluation of the capacity offered.
3.
Vendor should submit the technical Data Sheet & Shop drawing within 7 days
from date of issue of order for necessary approval by consultant before physically
start the work at site.
4.
After Commissioning vendor should conduct performance testing of the entire
system for 72 hrs.
5.
Vendor should submit the complete operation & maintenance manual containing
As Built Drawing, Do’s & Don’t, Operation procedure, Set points of different
parameters, Catalogue & Technical details etc.
25
PROPERTIES & FACILITIES DEPARTMENT
Tender no: PFD/E&M/02/08
Date: 26/02/15
Sub: Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air Conditioning
unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
SCHEDULE OF QUANTITIES
PART-A
Sr.
No
.
1
Description of work
Qty
Supplying ,Fixing,Testing and
commissioning the of Condenser Unit
with compressor of 10/11.0 TR capacity
Air cooled of Blue Star/ Voltas/ Carrier/
LG/Samsung or any equivalent ISI Std
make suitable for DX type AHU with all
accessories like Expansion valves,
Driers/strainers and hand shut off
valves etc with all necessary
Taxes(except service tax which will be
paid extra), Transportation etc all
complete.(MS stand for fixing above
units and GAS charging will be paid
extra)
4
At
Unit
Amount
(Rs.)
Nos.
RATE IN WORDS.
2
Supplying ,Fixing,Testing and
commissioning the of double skin DX
type AHU of 40 TR capacity suitable for
the above Condenser Units with
compressor of 10/11.0 TR capacity Air
cooled with sufficient Static head
pressure and CFM for supplying the
cooled air upto second floor level of
Muck up.The AHU also includes the
canvas connections and suitable
dampers, base tray and acoustic
insulation and powder coating
26
painting,drain line etc all complete.
Job include supplying all the material
with all Taxes( except service tax which
will be paid extra) Transportation etc all
complete.(Existing duct modification
,connection and insulation will be done
by Air India ltd.
1
No.
4
Nos.
75
Mtrs.
1
NOs
RATE IN WORDS.
3
commissioning of the above
Condenser Units with compressor of
10/11.0 TR capacity Air cooled with
testing with Nitrogen Gas and charging
with latest Refrigerant gas like
123A/R407C.
RATE IN WORDS.
4
Supplying, Fixing, suitable Refrigerant
Copper piping for suction and delivery
line with insulation and along with
copper cable for above Condenser
Units .
RATE IN WORDS.
5
Supplying, Fixing, Manual electrical
control panel for operating the four
condenser units separately with all
safety controls like
ELCB/MCB/Osdolators etc all
complete.Job includes supplying the
suitable size main cable from the
existing Air India Panel to the AHU
room which is upto 5 mtrs length is also
included in this item.
RATE IN WORDS.
27
6
Supplying ,Fixing,Fabricating and
commissioning the MS stand for the
fixing the condenser unit with MS
Angles/Channels with fixing
arrangements with suitable holes and
also supplying necessary hardwares etc
all complete.The MS stand should be
painted with one coat of red oxide and
two coats of synthetic enamel approved
colour as per direction of EIC. The job
also includes minor civil works for
foundation etc all complete.
50
kg
15
mtrs.
3
No.
3
Nos.
2
Nos.
RATE IN WORDS.
7
Supplying ,Fixing, Fabricating and
commissioning the GI Tray of suitable
size for laying copper piping all
complete.
RATE IN WORDS
PART-B (REBATE ITEMS) (_)
Removing /Dismantling carefully the
following items and taking away the
same from the Air India premises after
giving scrap values
8
20TR compressors along with all
accessories/valves etc.
RATE IN WORDS..
9
20 HP motors
RATE IN WORDS.
10
10 HP motors
RATE IN WORDS.
28
11
5 HP motors
4
Nos.
3
No.
Lot
Ls
2
No
1
Nos
2
Nos
12
months
12
months.
12
Months
12
months.
RATE IN WORDS.
12
Condenser units
RATE IN WORDS.
13
4” MS pipe line along with valves
attached with the sustem
RATE IN WORDS.
14
Pump
RATE IN WORDS
15
AHU 40 TR
RATE IN WORDS
16
Cooling towers
RATE IN WORDS.
PART-C ( AMC CONTRACT)
17
Annual Comprehensive maintenance
Contract for the above units after defect
liability Period of one Year.
st
I)1 year
RATE IN WORDS.
nd
ii)2
year
RATE IN WORDS.
iii)3rd year
RATE IN WORDS.
iv)4th year
RATE IN WORDS.
29
Sub Total( A-B+C)
Rebate if any for Part -(A &C)
GRAND TOTAL
In words (Rupees
)
Service tax as applicable shall be shown separately in bills for comparison of tender bids.
Service tax will not be included and the quoted amount (exclusive of service tax) only will
be compared.
Place
Date :
SIGNATURE OF THE TENDERER WITH RUBBER STAMP
30
PROPERTIES & FACILITIES DEPT.
Tender No. PF/E&M/02/08
Date: 26.02.2015
DECLARATION
Name of Work: Supplying,Installing ,Testing and commissioning of 40TR Air Cooled Air
Conditioning unit/AHU type Mock Up, Old Air port, Kalina, Santacruz, Mumbai.
1.
2.
3.
4.
I/We hereby declare that I/We have read and understood the scope of
services, General Conditions of Contract, Conditions for Services &
Schedule of Fees etc. and hereby agree to abide by them. In token
thereof I/We have signed below and at the end of Schedule of Fees. I/We
also understand that otherwise this tender is liable to be rejected.
I/We understand that our Tender will not be considered, if the rates for items are not
written both in FIGURES AND WORDS.
I/We hereby confirm that only the relevant entries asked for have been made within the
Tender documents issued to us. I/We also confirm that in the even of any entry in this
Tender document, other than the relevant entry, shall make this Tender invalid.
I/We agree to submit to Air India Ltd. necessary reports and returns as required for
compliance of regulations.
Place :
Date :
__________________________________
SIGNATURE OF TENDERER WITH RUBBER STAMP
31