CHENNAI PORT TRUST
NOTICE INVITING BUDGETARY OFFER
MEE/VA1/115/2015/Dy.CME (OH)
BUDGETARY OFFER
FOR
REMOVAL,
SUPPLY,
COMMISSIONING
OF
MOUNTING,
1
No.
DOUBLE
TESTING
HOOK
AND
QUICK
RELEASE MOORING HOOK (QRMH) UNIT, INTEGRAL
CAPSTAN AND REMOTE CONTROL TYPE AT BD -III
POINT NORTH SIDE IN OIL DOCK.
Submission on or before : 31.01.2016
To the address of :
Office of the Dy.Chief Mechanical Engineer (OH)
Chennai Port Trust
Royapuram, Chennai – 600 013.
‘D’
BUDGETARY OFFER FOR REMOVAL, SUPPLY, MOUNTING, TESTING AND
COMMISSIONING OF 1 No. DOUBLE HOOK QUICK RELEASE MOORING
HOOK (QRMH) UNIT, INTEGRAL CAPSTAN AND REMOTE CONTROL
TYPE AT BD -III ‘D’ POINT NORTH SIDE IN OIL DOCK.
TECHNICAL SPECIFICATION
SCHEDULE – ‘A’
GENERAL
The Trust has proposed to carry out the works of removal of existing old (QRMH)
and supply new QRMH, mounting, testing and commissioning of 1 No. Double Hook
Quick Release Mooring Hooks Unit, Integral Capstan and Electric remote control system
at BD-III ‘D’ Point North Side in Oil Dock. A detailed technical specification and terms
& conditions as mentioned below :
SCOPE OF WORKS:
1)
The firm shall remove the existing Mooring Hook unit and its assembly at BD-III
‘D’ point North Side including capstan motor and electrical controls.
While
removing existing mooring hook unit assembly, the firm shall ensure that no
damage / disturbance to the existing reinforcement of the Deck slab structures and
adjacement slab.
Note: The firm should remove existing mooring hook unit after successfully
commissioned the new QRMH unit and which shall installed at a new
location adjoining to the existing Mooring Hook as instructed by Trust
Engineer.
2)
Supply of 1 No. Double Hook Quick Release Mooring Hook (QRMH) unit,
integral capstan and electric remote control system along with anchor bolts,
washers, nuts, base plates and mounting template for proper mounting.
3)
The firm shall mount the Anchor Bolts, base plates, washers & nuts, etc. with the
help of template of the Quick Release Mooring Hook (QRMH) unit. For this
purpose, necessary concrete mixture may be used for fixing of the base plate and
anchor bolts and bonding may be ensured according to the Pull Load.
4)
The firm shall ensure that while re-doing the concrete work after fixing the new
QRMH necessary chemical bonding agents shall be used for old and new concrete
structure and surface hardeners shall be used for water proofing.
5)
After Anchor Bolts mounted; the firm shall install the new 1 No. Double Hook
Quick Release Mooring Hook (QRMH) unit assembly with proper installation
procedure furnished by the manufacturer.
6)
For operation of the equipment, the firm shall connect the power cables with the
QRMH assembly unit.
7)
The firm shall conduct the pre-test before commissioning of the QRMH in the
presence of Trust Engineer.
8)
The firm shall collect the existing old removed items of Mooring Hook, Capstan
Motor, etc. loading & unloading and transport to Trust RSA yard by their own
arrangements.
SUPPLY OF MATERIALS
All the materials required for carrying out the works shall have to be supplied by
the firm. All materials must be suitable and certified by third party or independent
international classification authority such as IRS, BV, DNV or any Classification Society
who is a member of International Association of Classification Society for use in an Oil
Jetty to handle Crude oil (Class A - Petroleum Product). The trust will arrange for
inspection by third party agencies and cost of inspection will be borne by the Trust. The
tenderer shall agree for this clause.
The designed life of the QRMH shall be not less than 20 years.
SIZE OF TANKERS TO BE HANDLED
The sizes of Tankers to be handled are as given below:
LOA : 140 – 275 mtrs. ;
Beam: 25 – 50 mtrs. ;
The maximum size of the vessels being berthed ranges from 1,50,000 to 1,60,000
DWT tankers. (Displacement 2,00,000 T)
QUICK RELEASE MOORING HOOKS (QRMH)
The Double Hook Quick Release Mooring unit shall be installed at BD-III at
‘D’ point north side in Oil Jettty.
Along with the installation of QRMH, the dolphin jetty edges need to be
smoothened (sharp jetty edges to be rounded of with roller fittings which can withstand
mooring ropes to avoid damage to the Ship’s mooring ropes / wires while berthing).
The design and SWL of the QRMH shall be suitable for the above size of vessels
and in conformity with IS : 4651 code of Practices for Marine Installation requirements.
Each hook of the assembly shall not be less than 150T of Safe Working Load (SWL).
The release mechanism shall be of remote control type. The QRMH shall be
positioned on the Oil Jetty in consultation with the Civil Engineering Department of
Chennai Port Trust so as to avoid any damage to the reinforcement of the Deck
Structures. Assembly of Quick Release Mooring Hooks shall be installed approximately
at the central location of the sea-facing side and at a distance of approximately ¼ th of the
width of the Dolphin from the Sea-facing side.
The QRMH shall have the following features :
•
Integral capstans
•
Remote control system
•
Mooring load monitoring system
•
Electrical insulation
•
Dust protection covers
•
Anti rope slip devices (keepers)
•
Special coatings
•
Special low temperature executions
•
Customized designs
 The case bases and hooks provided shall be superior corrosion resistance and have
high tensile strength.
 The cast hooks with optimal throat size shall be supplied to minimise the rope
wear.
 It shall have compact and strong hook design, double the yield strength of forged
mild steel hook.
 It shall have release mechanism
 Fully protected release mechanism in a weatherproof and explosion proof
enclosure.
In main control room, controls shall be provided for operation of individual Quick
Release Mooring Hooks (QRMH) as well as emergency operation of all the Quick
Release Mooring Hooks (QRMH) simultaneously. Visual light indication shall be
provided in the control panel to indicate the status of the Quick Release Mooring Hooks
(QRMH).
Control mechanism shall have On/Off/reset button arrangements to feed power
supply to Capstan motors.
A remote operating station shall be provided at a convenient point, preferably in
control operation panel, so that in the event of emergency situation, all the Quick Release
Mooring Hooks (QRMH) can be released promptly.
All the equipment shall be capable of working under the following conditions:Voltage variation
: + 10%
The system shall have overload protection. The isolating switches shall be rated
accordingly.
CAPSTAN
The capstan motor shall be of reversible with appropriate braking system and
integrated type with the Quick Release Mooring Hooks (QRMH) units and shall have the
following specifications:
Nominal Line Speed - 30 Mtrs / min ;
Line Pull Load
- Not less than 3 MT
Starting Pull Load - Not less than 6 MT
The QRMH unit shall be equipped with an integral capstan. The capstan allows
hauling in the mooring line in a safe and efficient way.
The capstan motor shall have the following features.
i)
brake motor with reversible rotation
ii)
switch box with control equipment
iii)
motor starter
iv)
foot pedal for operating the capstan
The capstan assembly shall be installed eastward of hooks so that the hooks
are clear to rotate north & south to align with ship’s mooring lines.
The electric motor shall comply with following specifications:
Power shall be minimum
:
15.0 kW
Supply Voltage
:
440 Volts, 3 Phase, 50 Hz
RPM
:
1500 rpm
Motor Housing
:
TEFC (Totally enclosed
Hazardous)
Environmental Protection
:
Gas Group II-B
Fan
cooled
Flame Proof motor for hazardous
application
Insulation class
:
F
Space Heater
:
240 volts, single phase space heater fitted.
Brake holding torque
:
Holding torque equivalent to 150% of
motor torque (reversible only)
Brake operation
:
Automatically, spring applied brake with
power “OFF”
Maintenance (Bearings)
:
Bearings are grease packed and sealed for
life
Construction
:
Vertical
Rated Working Time (appx.)
:
1 Hour
The capstans shall be equipped with rope guides to assist in leading the messenger
line to the capstan head. The capstans should be driven through gearing system, grease
lubricated for life.
GENERAL REQUIREMENTS OF QRMH
The mooring hooks shall be able to move in both vertical and horizontal planes
and each one shall be designed to be released independently from the other.
Vertical Hook Range
: 0° to +45° from horizontal
Horizontal Hook Ranges Double Mooring Unit : 90°/ 45° (left hook)
45° / 90°(right hook)
Manual release operation of the quick release hooks and reset shall be possible
with a minimum effort. The Removable Release Lever shall be placed in the proximity of
the mooring hook. Release operation shall be possible locally or via the remote release
system. Each hook shall be provided with a safety latch to prevent escaping of the
mooring line. All hooks shall be of the fully dismountable type.
Identification plates shall be provided in assembly indicating the name of the
manufacturer, year of manufacturing, model number, Sl.No., Type and Safe Working
Load (SWL) capacity of each hook and of the total assembly.
LOAD CAPACITIES
Double Hook Mooring Unit shall have 150 MT (SWL) and 225 MT Proof Load on
each hook.
STRUCTURAL STEEL SELECTION
All structural steel selection shall be done in accordance with relevant standards.
Hook body shall be cast steel. Cast steel parts shall be heat treated to relieve stress. Cast
iron parts shall not be used.
ANCHOR BOLTS
The anchor bolts shall be supplied by the firm for mounting the QRMH unit
suitable for existing concrete structure. It shall be made of hot dip galvanized surface.
Complete with washers, bottom plates and nuts to be supplied along with supply.
Templates of the anchor pattern marked with seaside arrows shall be provided for
a correct positioning of the holes for the both.
DIRECT ON LINE (D.O.L.) MOTOR STARTER AND FOOT SWITCH
To operate the capstan of the mooring units shall be equipped with a Direct Online
IP 65 protected reversible motor starter operated from a foot switch and a push button.
The control box material shall be sea water resistant. A thermal overload relay & an
emergency stop shall be provided complete with externally mounted reset button. Heavy
duty protection shall be included for the local harsh environment and an internal heater
element shall be provided.
ELECTRIC REMOTE CONTROL SYSTEM
Mooring unit shall be equipped with a remote control system. This system shall
consists of : An electric release device, a hook status detection switch, a local hook
release push button and a local control panel to operate the system. The electric release
device shall consist of an electric actuator fully integrated into the hook system. The hook
status detection switches shall be of an industrial, robust type. The control circuit shall be
designed from generally available industrial switching gear. The release system shall be
remotely operated installed in the control room.
To operate the release system from a distance, a central remote control panel shall
be provided with the following controls:
-
Individual hook release push button
-
Individual hook released indication signal lamp
-
Assembly release push button (all hooks of one mooring unit).
-
Master release push button (two step activity).
-
Emergency release push button (all hooks of the jetty).
-
Lamp test/reset push button.
-
Power on/off switch.
-
Power on indication.
ELECTRIC PROTECTION
All electrical accessories shall be provided suitable for installation at hazardous
area.
TESTING
The QRMH units with capstan shall be completely assembled and tested for
proper operation prior to shipment.
Following manufacturing, each hook shall be tested for the following :
-
Proof load at 1.5 times the SWL
-
Release test at SWL
An independent international classification authority such as IRS, BV or DNV
must witness these tests.
The hook shall be tested 1.5 times the SWL (Proof Load : 1.5 times SWL)
GENERAL CONDITIONS
1)
The firm shall inspect the site before quoting the rate.
2)
The firm shall submit their rates as per the Schedule ‘A’ and Prices & Quantities
in Schedule ‘A1’.
3)
The firm shall erect the new QRMH unit at a new location adjacent to the existing
Quick Release Mooring Hook Unit.
4)
The Trust will not be responsible for any damage or loss of any of the materials
and for any damage / accident to the Tenderer’s personel.
5)
The firm shall arrange necessary watch and ward for their materials till the
completion of work.
6)
Essential Harbour entry Permit for the workers shall be arranged by the firm.
7)
The contractor’s vehicle viz. van / lorry / cranes should fitted with spark arrester
unit in the exhaust pipe of the vehicle.
8)
The firm shall supply all the items with proper delivery challans.
9)
The firm shall submit all test certificates and manuals / catalogues along with
supply.
10)
The firm shall arrange transportation facility for sending the dismantled old
QRMH items to Trust RSA yard by their own arrangements.
11)
The firm shall engage any lifting crane arrangement for installing QRMH by their
own arrangement.
12)
The firm shall comply the safety standards for welding works and shall arrange
welding set if required at their own cost and obtain necessary fire permission from
the Trust Fire Officer and Assistant Safety Officer.
COMPLETION PERIOD
i)
The removal of the existing mooring hooks including capstan motor assembly unit
shall be completed within 20 days of Allotted / Non-shipment days after
successfully commissioned new QRMH unit assembly.
ii)
The complete civil works, Installation, Testing and Commissioning of QRMH
shall be completed within 210 days from the date of receipt of order.
EMPLOYEES STATE INSURANCE:
The Contractor must ensure compliance of ESI Act, 1948 in respect of labourers
engaged for the above work. The details of employees proposed to be engaged should be
furnished before commencement of work.
The payment to the Contractor will be
released only on production of documentary proof for having paid ESI (Employer &
Employee) Contribution for all the employees engaged for the said work.
INSPECTION AGENCIES :
The Trust will engage inspection agencies such as IRS, BV (or) DNV as third
party to inspect the 1 No. double hook Quick Release Mooring Hook and inspection
charges will be borne by the Trust. The Tender shall agree for this clause.
GUARANTEE PERIOD
The QRMH shall be guaranteed for a period of 12 (Twelve) Months from the date
of installation and commissioning of the unit.
CHIEF MECHANICAL ENGINEER
CHENNAI PORT TRUST
BUDGETARY OFFER FOR REMOVAL, SUPPLY, MOUNTING, TESTING AND
COMMISSIONING OF 1 No. DOUBLE HOOK QUICK RELEASE MOORING
HOOK (QRMH) UNIT, INTEGRAL CAPSTAN AND REMOTE CONTROL
TYPE AT BD -III ‘D’ POINT NORTH SIDE IN OIL DOCK.
SCHEDULE OF PRICES & QUANTITIES
SCHEDULE – ‘A1’
Sl.
No.
1.
Description of Item
Unit Quantity
Labour Charges for Removal of No.
existing Mooring Hook Unit
assembly at BD-III, ‘D’ point north
side in Oil Jetty as detailed in
Schedule-A.
Supply of Double Hook equipped No.
Quick Release Mooring Hook
(QRMH) Unit, integral capstan,
Remote Control System Console in
fully wired condition along with all
instruments and accessories as per
the Scope of Work as detailed in
Schedule-A.
VAT
3.
4.
Labour Charges for installation and No.
commissioning of double hook
QRMH
on
the
concrete
arrangements made by Anchor
bolts as detailed in Schedule-A at a
new location.
(Rs.)
01
%
01
/ CST
Labour Charges for mounting of No.
Anchor bolts, base plates, washers
& nuts, etc. for installation QRMH
as detailed in Schedule-A.
Amount
(Rs.)
Service Tax
2.
Total
Rate/Unit
/ Other duties, etc.
01
Service Tax
%
Service Tax
%
01
5.
Labour Charges for collection,
loading and unloading of existing
old dismantled mooring hook unit
from BD-III to Trust RSA yard by
their own arrangements.
Service Tax
%
Sub-Total
VAT
/ CST
/ Other duties, etc.
Service Tax
%
Grand Total
(Rupees _______________________________________________________ only
inclusive of all the Central/State taxes, duties, Cess, transportation & insurance charges).
CONTRACTOR’S SIGNATURE WITH SEAL